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US20140227504A1 - Metalized yarn and method for making same - Google Patents

Metalized yarn and method for making same Download PDF

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Publication number
US20140227504A1
US20140227504A1 US13/762,406 US201313762406A US2014227504A1 US 20140227504 A1 US20140227504 A1 US 20140227504A1 US 201313762406 A US201313762406 A US 201313762406A US 2014227504 A1 US2014227504 A1 US 2014227504A1
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US
United States
Prior art keywords
metalized
yarn
staple fibers
man
htsus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US13/762,406
Inventor
Ivy Sau Chun LEE
Michael Xiao Li WANG
Frances WU
John Ying Bun WU
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BESTKEY TEXTILES Ltd
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BESTKEY TEXTILES Ltd
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Filing date
Publication date
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Priority to US13/762,406 priority Critical patent/US20140227504A1/en
Publication of US20140227504A1 publication Critical patent/US20140227504A1/en
Assigned to BESTKEY TEXTILES LIMITED reassignment BESTKEY TEXTILES LIMITED ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEE, IVY SAU CHUN, WANG, MICHAEL XIAO LI, WU, FRANCES, WU, JOHN YING BUN
Abandoned legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/20—Compounding polymers with additives, e.g. colouring
    • C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
    • C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00—General methods for the manufacture of artificial filaments or the like
    • D01F1/02—Addition of substances to the spinning solution or to the melt
    • D01F1/10—Other agents for modifying properties
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
    • D01F2/08—Composition of the spinning solution or the bath
    • D01F2/10—Addition to the spinning solution or spinning bath of substances which exert their effect equally well in either
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02—Yarns or threads characterised by the material or by the materials from which they are made
    • D02G3/04—Blended or other yarns or threads containing components made from different materials
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2904—Staple length fiber
    • Y10T428/2907—Staple length fiber with coating or impregnation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/294—Coated or with bond, impregnation or core including metal or compound thereof [excluding glass, ceramic and asbestos]
    • Y10T428/2958—Metal or metal compound in coating

Definitions

  • the present patent application generally relates to textile technologies and more specifically to a metalized yarn, which can be worked into textile products that are qualified to be classified into a classification with a more favorable import duty than regular textile products and yet having visual appearance and color indistinguishable from similar regular textile products.
  • the Bureau of Customs and Border Protection (CBP) of the Department of Homeland Security is solely authorized to interpret the HTS, to issue legally binding Rulings or advice on the tariff classification of imports and their treatment upon entry into the United States, and to administer the Customs laws.
  • CBP Bureau of Customs and Border Protection
  • favorable tariff rates are accorded to textile products made with fabric that are woven or knitted with metalized yarns as the chief weight.
  • Metalized yarns have been known for more than 3000 years. Gold and silver were hammered into extremely thin sheets, and then cut into ribbons and worked into fabrics. With the advancement of technology, various methods have been developed to produce metalized yarns, such as Lurex® yarns. Such yarns are typically produced by vacuum depositing a layer of metallic particles on a Mylar Film, bonding a polyester layer on top of it as protection, and slicing the sandwich film into very thin strips to form yarns. Alternatively very thin metal films can be used in place of the vacuum deposited layer. The metalized yarn thus produced can be plied with other textile yarns to produce composite yarns. Another method is to use very thin metal wires to form composite yarns with other textile materials. The appearance of these yarns is shiny and metallic. In addition, the cost of these yarns is necessarily increased due to the use of more materials.
  • the present patent application is directed to a metalized yarn.
  • the metalized yarn includes at least one man-made fiber material and at least one metal powder.
  • the man-made fiber material is transformed into a slurry to which the metal powder is then introduced.
  • the slurry is subsequently forced and elongated so as to form the metalized yarn.
  • the metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns and is classified under HTSUS 5605.00.9000.
  • the metal powder may include the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, prom
  • the metal powder may further include at least one metal alloy powder.
  • the metal alloy powder may include the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum
  • the man-made fiber material may include a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • the man-made fiber material may include an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
  • the metalized yarn may be chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 with visual appearance and color indistinguishable from a similar regular spun yarn.
  • the other textile staple fibers may include a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers.
  • the present patent application provides a textile product made of metalized yarns being the chief weight including at least one man-made fiber material and at least one metal powder.
  • the man-made fiber material is transformed into a slurry to which the metal powder is then introduced.
  • the slurry is subsequently forced and elongated so as to form the metalized yarn.
  • the metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the textile product has appearance and color indistinguishable from similar textile product, and is classified under a favourable import duty classification under HTSUS.
  • the metal powder may include the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, prom
  • the metal powder may further include at least one metal alloy powder.
  • the metal alloy powder may include the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum
  • the man-made fiber material may include a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • the man-made fiber material may include an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
  • the metalized yarn may be chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers including a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 so that the textile product has appearance and color indistinguishable from similar textile product and and is classified under a favourable import duty classification under HTSUS.
  • the present patent application provides a method for making a metalized yarn including: transforming a man-made fiber material into a slurry; introducing a metal powder into the slurry; and forcing and elongating the slurry into a yarn.
  • the metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns and is classified under HTSUS 5605.00.9000.
  • the metal powder may include the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, prom
  • the metal powder may further include at least one metal alloy powder.
  • the metal alloy powder may include the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum
  • the man-made fiber material may include a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • the man-made fiber material may include an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
  • the metalized yarn may be chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers including a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 with visual appearance and color indistinguishable from a similar regular spun yarn.
  • FIG. 1 is a flow chart illustrating a method for producing metalized yarns according to an embodiment of the present patent application.
  • FIG. 2A is an illustrative view of an apparatus for producing metalized filament yarns according to another embodiment of the present patent application.
  • FIG. 2B is a cross sectional view of the polymer slurry bath and the spinneret according to another embodiment of the present patent application.
  • FIG. 2C is a perspective view of the spinneret.
  • FIG. 2D is a cross sectional view of the metalized yarn with metal particles embedded.
  • FIG. 3 is an illustrative view of a device for producing the metal master batch.
  • FIG. 4 is a flow chart illustrating a method for producing metalized staple fiber spun yarns according to another embodiment of the present patent application.
  • FIG. 5 is a flow chart illustrating a method for producing metalized yarns according to another embodiment of the present patent application, in which yarns of aluminum polyester fiber and cotton fiber are blended.
  • FIG. 6 is a flow chart illustrating a method for producing metalized yarns according to another embodiment of the present patent application, in which metal powders are combined with rayon.
  • thermoplastic material refers to at least one material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic. 3.
  • artificial regenerated cellulosic material refers to at least one material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal, and Lyocell. 4.
  • the “metal powder” includes the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, p
  • metal alloy powder refers to the powder of an alloy of at least two materials selected from the group defined in the aforementioned definition 4 .
  • metal refers to elemental metals and metal alloys only. Metal oxides and any other metal compounds are excluded.
  • textile products refers to any kind of articles produced with fabrics and yarns. Such articles include clothing and make up articles. 8.
  • the term “clothing” includes any kind of garment or part of a garment, for example, a shirt, t-shirt, singlet, jumper suit or overall, collar, cuff, sleeve, underwear, pants, and etc. 9.
  • HTSUS classification refers to the Harmonized Tariff Schedule of the United States classification system.
  • metalized yarns refers to those yarns complying with the specifications stipulated for yarns classified under HTSUS 5605.00.9000.
  • the term “metalized fabrics” refers to fabrics including chief value “metalized yarns”.
  • the term “textile products with metalized fabrics and yarns” refers to those textile products complying with the specific HTSUS classifications for textile products including metalized yarns and fabrics wherein the yarns are classified under HTSUS 5605.00.9000. 13. As used in this description and in the appended claims, the term “textile products with HTSUS classifications with favorable tariff rates” refers to those textile products classified under specific HTSUS classifications for textile products including metalized yarns and fabrics wherein said yarns are classified under HTSUS 5605.00.9000, with favorable tariff rates as compared to similar textile products of regular yarns and fabrics.
  • HTSUS classifications for the textile products are listed in Table 3 Exemplary HTSUS Classification of Textile Products Made of Metalized Yarns and Fabrics. 14.
  • the term “appearance and color substantially indistinguishable visually” refers to the appearance and color of the textile products, observed in sun light or normal room lighting, that are seen to have little difference from those of similar textile products under comparison.
  • the term “similar regular textile products” refers to textile products of similar color, weaving or knitting methods, fabric constructions, yarn sizes, fiber compositions as the metalized textile products under comparison.
  • the term “chief value yarns” refers to the “chief weight yarns” or the heaviest yarns used in the fabric.
  • metalized yarn and the method for making the same disclosed in the present patent application is not limited to the precise embodiments described below and that various changes and modifications thereof may be effected by one skilled in the art without departing from the spirit or scope of the protection.
  • elements and/or features of different illustrative embodiments may be combined with each other and/or substituted for each other within the scope of this disclosure.
  • a method for producing metalized yarns complying with the specification detailed under HTSUS 5605.00.9000, classification metalized yarns is provided, as illustrated by the flow chart in FIG. 1 .
  • the method is for producing metalized polyester filament yarns.
  • a textile thermoplastic material such as polyethylene terephthalate (PET)
  • PET polyethylene terephthalate
  • Metal powders encased in a master batch are introduced into this slurry.
  • the liquid thermoplastic slurry is then forced through spinnerets. When the material emerges from the spinnerets, it is soft and easy to elongate.
  • the metalized thermoplastic material is stretched, which forces the molecules to align in a parallel formation.
  • the yarn is approximately five times its original length.
  • the metal powders are distributed throughout and embedded within the thermoplastic material matrix so that the metalized yarns have visual appearance and color indistinguishable from non-metalized yarns.
  • the yarn is then further texturized to form into metalized filament yarns.
  • thermoplastic material can be a variety of polymer and materials, such as polyester, acrylic etc. It is understood that in this embodiment and throughout the present patent application, the term “metal” means elemental metals and metal alloys only, which does not include metal oxides or other metal compounds such as Titanium dioxide and Zinc Sulfide.
  • thermoplastic material in this embodiment can be substituted by a man-made fiber material that conforms to the definitions in Section I—Definitions.
  • metal powder may also include the metal alloy powder as defined in Section I—Definitions.
  • FIG. 2A is an illustrative view of an apparatus for producing metalized filament yarns according to another embodiment of the present patent application.
  • the PET chip and the metal master batch are respectively loaded by loaders 20 and 21 , and introduced through driers 22 and 23 , before being mixed at the melt spinning unit 24 .
  • the mixture goes through the melt spinning unit 24 , and the oiling unit 25 , and is then processed by the cooling unit 26 , and subsequently the draft heating unit 27 , and the oiling unit 28 , before emerging as the filament yarns.
  • the driers 22 and 23 are configured to receive and dry the PET chip and the metal master batch respectively.
  • the melt spinning unit 24 is configured to mix the PET chip and the metal master batch and melt-spin the mixture.
  • the oiling unit 25 is configured to oil the mixture after the mixture is processed by the melt spinning unit 24 .
  • the cooling unit 26 is configured to cool the mixture after the mixture is processed by the oiling unit 25 .
  • the draft heating unit 27 is configured to draft-heat the mixture after the mixture is processed by the cooling unit 26 .
  • the oiling unit 28 is configured for oil the mixture after the mixture is processed by the draft heating unit 27 .
  • the apparatus further includes a spinneret 29 configured to force the mixture into yarns after the mixture is processed by the oiling unit 28 .
  • FIG. 2B is a cross sectional view of the polymer slurry bath and the spinneret according to another embodiment of the present patent application. Referring to FIG. 2B , the metal powders are distributed throughout and embedded within the polymer slurry 32 , the mixture of which are forced through the spinneret 31 .
  • FIG. 2C is a perspective view of the spinneret. Referring to FIG. 2C , the metal powders 40 are going through the spinneret.
  • FIG. 2D is a cross sectional view of the metalized yarn with metal particles embedded.
  • the metal powders 51 are distributed throughout and embedded within the polymer 50 , and there is no metal particle on the outside, i.e. the surface, of the yarn.
  • the PET chip 20 may include materials such as regular Polyethylene Terephalate chips, Cationic Dyeable Polyethylene Terephalate chips, High Tenacity Polyethylene Terephalate chips, Fire Retardant Polyethylene Terephalate chips, Polyurethane chips, Polytrimethylene Terephthalate chips, Polybutylene Terephthalate chips, Nylon chips, Acrylic chips and Modacrylic chips.
  • the method of yarn production mentioned above may be applicable to the production of Partially Oriented yarns, High Oriented yarns, Fully Drawn yarns or Drawn Textured yarns, High Tenacity yarns, and Mechanical Stretch yarns.
  • FIG. 3 is an illustrative view of a device for producing the metal master batch.
  • the metal powders 10 may include Aluminum, Zinc, Iron, and Titanium metal powders. These particles must be in a powder form and not in a fiber form, as required by the specifications of HTSUS 5605.00.9000.
  • the PET powder 11 serves to be an inert carrier of the metal powders 10 .
  • the loader that loads the PET powders 11 and the metal powders 10 , the screw input 12 , the cabinet 13 , the heater 14 , the flue 15 and the spinning jet 16 are all integral components of the apparatus that produces the metal Master batch.
  • FIG. 4 is a flow chart illustrating a method for producing metalized staple fiber spun yarns according to another embodiment of the present patent application.
  • the yarns from the spinneret are chopped into segments with short lengths, typically 38 mm, to form metalized staple fibers.
  • These metalized staple fibers are subsequently blended with other types of textile fibers to spin into metalized yarns.
  • the other types of textile fibers are other textile staple fibers including a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers.
  • the polymer filament yarns including a polymer among Polyester, cationic Dyeable Polyester, Fire Retardant Polyester, Polytrimethylene Terephthalate, Polylbutylene Terephthalate, High Tenacity Polyester, Nylon, Acrylic, Modacrylic etc, are chopped into segments with lengths of typically 25 mm or longer to produce metalized staple fibers. These metalized polymer staple fibers are then blended with cotton, wool, or various other staple fibers to be spun into yarns typically by way of open end, ring spinning, compact ring spinning, vortex spinning or air jet spinning methods.
  • FIG. 5 is a flow chart that illustrates a method for producing metalized yarns according to another embodiment of the present patent application. In this embodiment, yarns of aluminum polyester fiber and cotton fiber are blended.
  • FIG. 6 is a flow chart illustrating a method for producing metalized yarns according to another embodiment of the present patent application.
  • the metal powders are combined with rayon.
  • the carrier in the master batch is PEG Polyethyleneglycol, in combination with Sodium Oleate in 50/50 proportion.
  • the yarns can be polymer filament yarns, spun yarns of 100% staple fiber of a specific polymer, and spun yarns of blended staple fiber of cellulosic, polymer and metalized fibers.
  • the distinctive feature of these yarns is that the metal particles are embedded inside the polymer fiber. There is no metal particle on the outside, i.e. the surface, of the yarns. These yarns are classified under HTSUS 5605.00.9000. These yarns are indistinguishable from similar regular yarns that are not metalized in visual appearance and color. The presence of metal content is detectable by ASTM or EPA testing methods, such as EPA 3052:1996.
  • Table 1 shows the test results of a number of garments made from the metalized yarns produced in the above embodiments.
  • the metal particles (powders) used in the polyester filament yarns and fibers are Aluminum and Zinc metal particles, having diameters in the order of 20 nanometers. It is noted that polyester yarns with Zinc metal powders embedded have enhanced UV resistance. Aluminum and Zinc metal particles also have tracking functions as the metal particles are detectable by instruments. These metal particles are first embedded in master batches, and then introduced into the polyester slurry before extrusion into yarns.
  • the metalized yarns have, among others, the following important characteristics:
  • the metalized yarns are used to produce fabrics through knitting and woven methods.
  • the metalized yarns are the chief weight among the various yarns in the fabrics. These fabrics are classified as metalized fabrics in the HTSUS classification. These fabrics are indistinguishable in visual appearance and color from similar regular fabrics, as the metalized yarns are indistinguishable in visual appearance and color from similar regular yarns.
  • the metalized fabrics are used to produce various types of textile products, including clothing and make-up articles. These textile products are classified as metalized textile products, with visual appearance and color indistinguishable from similar regular textile products.
  • the classification under the HTSUS Classification System is shown in Table 3 below.
  • Table 3 lists exemplary HTSUS classification of textile products made of metalized yarns and fabrics.
  • the textile products include fabrics with chief value metalized yarns, wherein the metalized yarns are classified under HTSUS 5605.00.9000. Import duty rates for these textile products are assigned at more favorable tariff rates than similar textile products of regular yarns and fabrics.
  • This yarn sample was observed to have visual appearance and color indistinguishable from other regular polyester 75D/72F filament yarns.
  • Test result for the metalized yarns is:
  • This yarn sample was observed to have visual appearance and color indistinguishable from regular polyester 75D/72F filament yarns.
  • the warp CVC blended yarn 16s/1 metalized and the weft CVC blended yarn 10s/1 metalized were woven into metalized fabrics, then sewn into pants, styled “Puritan” pants. Test results for the metalized yarns and garments are:
  • the polyester and rayon blended metalized yarn 50s/2 was used for warp yarn of the fabric for Dress Pant Style#813.
  • the polyester and rayon blended metalized yarn 21s/1 was used for warp yarn for the shell fabric of Dress Pant Style#1004.
  • the CVC blended metalized yarn 20s/1 was used for warp yarn for the shell fabric of Shorts, styled “Orlando Cargo” shorts.
  • the CVS blended metalized yarn 21s/1 was used for warp yarn for the shell fabric of Men/Boys Woven Pants Style#F5243-50.
  • the CVC blended metalized yarn 45s/1 was used for both warp & weft yarns for the shell fabric of Men/Boys Woven Shirts Style#BKY-006.
  • the polyester and rayon blended metalized yarn 50s/2 was used for warp yarn for the fabric of Men/Boys Woven Pants Style#BKY-005.
  • the CVC blended metalized yarn 11s/1 and the CVC blended metalized slub yarn 10s/1 were used for warp yarn for the fabric of Women/Girls Woven Denim Pants Style#25-1006 & #25-1007.
  • the CVC blended metalized yarn 45s/1 was used for both warp & weft yarn for the shell fabric of Men's Woven Shirt Style#2409176.
  • the CVC blended metalized yarn 20s/1 was used for warp yarn for the shell fabric of Dress Khaki Pant Style#SFSB0092.
  • the cotton and rayon blended metalized yarn 16s/1 was used for warp yarn for the shell fabric of Boy's Woven Shorts Style#4755A.
  • the polyester and rayon blended metalized yarn 20s/1 was used for warp yarn for the fabric of Men's Woven Pant Style#5FSB0146.

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Abstract

A metalized yarn includes at least one man-made fiber material and at least one metal powder. The man-made fiber material is transformed into a slurry to which the metal powder is then introduced. The slurry is subsequently forced and elongated so as to form the metalized yarn. The metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns and is classified under HTSUS 5605.00.9000.

Description

    FIELD OF THE PATENT APPLICATION
  • The present patent application generally relates to textile technologies and more specifically to a metalized yarn, which can be worked into textile products that are qualified to be classified into a classification with a more favorable import duty than regular textile products and yet having visual appearance and color indistinguishable from similar regular textile products.
    • BACKGROUND
  • The laws of the United States impose tariffs, in the form of duties, on textile products imported from other countries into the United States. In the United States, these duties are imposed pursuant to the Tariff Act of 1930, as amended. Duties are imposed through classifying various textile products under the Harmonized Tariff System (HTS) with corresponding tariff duty rates. The U.S. International Trade Commission (USITC) publishes and maintains the U.S. Harmonized Tariff Schedule (HTS) and provides technical information on its structure and modification.
  • The Bureau of Customs and Border Protection (CBP) of the Department of Homeland Security is solely authorized to interpret the HTS, to issue legally binding Rulings or advice on the tariff classification of imports and their treatment upon entry into the United States, and to administer the Customs laws. In the HTS system, favorable tariff rates are accorded to textile products made with fabric that are woven or knitted with metalized yarns as the chief weight.
  • Specification of metalized yarn under HTSUS 5605.00 is as follows:
      • 5605.0 Metalized yarn, whether or not gimped, being textile yarn, or strip or the Like of heading 5404 or 5405, combined with metal in the form of thread, strip or powder or covered with metal.
      • 5605.00.90 Other (201)
  • Metalized yarns have been known for more than 3000 years. Gold and silver were hammered into extremely thin sheets, and then cut into ribbons and worked into fabrics. With the advancement of technology, various methods have been developed to produce metalized yarns, such as Lurex® yarns. Such yarns are typically produced by vacuum depositing a layer of metallic particles on a Mylar Film, bonding a polyester layer on top of it as protection, and slicing the sandwich film into very thin strips to form yarns. Alternatively very thin metal films can be used in place of the vacuum deposited layer. The metalized yarn thus produced can be plied with other textile yarns to produce composite yarns. Another method is to use very thin metal wires to form composite yarns with other textile materials. The appearance of these yarns is shiny and metallic. In addition, the cost of these yarns is necessarily increased due to the use of more materials.
    • SUMMARY
  • The present patent application is directed to a metalized yarn. In one aspect, the metalized yarn includes at least one man-made fiber material and at least one metal powder. The man-made fiber material is transformed into a slurry to which the metal powder is then introduced. The slurry is subsequently forced and elongated so as to form the metalized yarn. The metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns and is classified under HTSUS 5605.00.9000.
  • The metal powder may include the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
  • The metal powder may further include at least one metal alloy powder. The metal alloy powder may include the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
  • The man-made fiber material may include a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • The man-made fiber material may include an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
  • The metalized yarn may be chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 with visual appearance and color indistinguishable from a similar regular spun yarn. The other textile staple fibers may include a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers.
  • In another aspect, the present patent application provides a textile product made of metalized yarns being the chief weight including at least one man-made fiber material and at least one metal powder. The man-made fiber material is transformed into a slurry to which the metal powder is then introduced. The slurry is subsequently forced and elongated so as to form the metalized yarn. The metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the textile product has appearance and color indistinguishable from similar textile product, and is classified under a favourable import duty classification under HTSUS.
  • The metal powder may include the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
  • The metal powder may further include at least one metal alloy powder. The metal alloy powder may include the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
  • The man-made fiber material may include a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • The man-made fiber material may include an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
  • The metalized yarn may be chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers including a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 so that the textile product has appearance and color indistinguishable from similar textile product and and is classified under a favourable import duty classification under HTSUS.
  • In yet another aspect, the present patent application provides a method for making a metalized yarn including: transforming a man-made fiber material into a slurry; introducing a metal powder into the slurry; and forcing and elongating the slurry into a yarn. The metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns and is classified under HTSUS 5605.00.9000.
  • The metal powder may include the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
  • The metal powder may further include at least one metal alloy powder. The metal alloy powder may include the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
  • The man-made fiber material may include a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
  • The man-made fiber material may include an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
  • The metalized yarn may be chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers including a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 with visual appearance and color indistinguishable from a similar regular spun yarn.
    • BRIEF DESCRIPTIONS OF THE DRAWINGS
  • FIG. 1 is a flow chart illustrating a method for producing metalized yarns according to an embodiment of the present patent application.
  • FIG. 2A is an illustrative view of an apparatus for producing metalized filament yarns according to another embodiment of the present patent application.
  • FIG. 2B is a cross sectional view of the polymer slurry bath and the spinneret according to another embodiment of the present patent application.
  • FIG. 2C is a perspective view of the spinneret.
  • FIG. 2D is a cross sectional view of the metalized yarn with metal particles embedded.
  • FIG. 3 is an illustrative view of a device for producing the metal master batch.
  • FIG. 4 is a flow chart illustrating a method for producing metalized staple fiber spun yarns according to another embodiment of the present patent application.
  • FIG. 5 is a flow chart illustrating a method for producing metalized yarns according to another embodiment of the present patent application, in which yarns of aluminum polyester fiber and cotton fiber are blended.
  • FIG. 6 is a flow chart illustrating a method for producing metalized yarns according to another embodiment of the present patent application, in which metal powders are combined with rayon.
    •  DETAILED DESCRIPTION Section I—Definitions
  • 1. As used in this description and in the appended claims, the term “man-made fiber material” refers to any kind of thermoplastic material or artificial regenerated cellulosic material.
    2. As used in this description and in the appended claims, the term “thermoplastic material” refers to at least one material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
    3. As used in this description and in the appended claims, the term “artificial regenerated cellulosic material” refers to at least one material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal, and Lyocell.
    4. As used in this description and in the appended claims, the “metal powder” includes the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
    5. As used in this description and in the appended claims, the term “metal alloy powder” refers to the powder of an alloy of at least two materials selected from the group defined in the aforementioned definition 4.
    6. As used in this description and in the appended claims, the term “metal” refers to elemental metals and metal alloys only. Metal oxides and any other metal compounds are excluded.
    7. As used in this description and in the appended claims, the term “textile products” refers to any kind of articles produced with fabrics and yarns. Such articles include clothing and make up articles.
    8. As used in this description and in the appended claims, the term “clothing” includes any kind of garment or part of a garment, for example, a shirt, t-shirt, singlet, jumper suit or overall, collar, cuff, sleeve, underwear, pants, and etc.
    9. As used in this description and in the appended claims, the term “HTSUS classification” refers to the Harmonized Tariff Schedule of the United States classification system.
    10. As used in this description and in the appended claims, the term “metalized yarns” refers to those yarns complying with the specifications stipulated for yarns classified under HTSUS 5605.00.9000.
    11. As used in this description and in the appended claims, the term “metalized fabrics” refers to fabrics including chief value “metalized yarns”.
    12. As used in this description and in the appended claims, the term “textile products with metalized fabrics and yarns” refers to those textile products complying with the specific HTSUS classifications for textile products including metalized yarns and fabrics wherein the yarns are classified under HTSUS 5605.00.9000.
    13. As used in this description and in the appended claims, the term “textile products with HTSUS classifications with favorable tariff rates” refers to those textile products classified under specific HTSUS classifications for textile products including metalized yarns and fabrics wherein said yarns are classified under HTSUS 5605.00.9000, with favorable tariff rates as compared to similar textile products of regular yarns and fabrics. Examples of the HTSUS classifications for the textile products are listed in Table 3 Exemplary HTSUS Classification of Textile Products Made of Metalized Yarns and Fabrics.
    14. As used in this description and in the appended claims, the term “appearance and color substantially indistinguishable visually” refers to the appearance and color of the textile products, observed in sun light or normal room lighting, that are seen to have little difference from those of similar textile products under comparison.
    15. As used in this description and in the appended claims, the term “similar regular textile products” refers to textile products of similar color, weaving or knitting methods, fabric constructions, yarn sizes, fiber compositions as the metalized textile products under comparison.
    16. As used in this description and in the appended claims, the term “chief value yarns” refers to the “chief weight yarns” or the heaviest yarns used in the fabric.
    • Section II—Descriptions
  • Reference will now be made in detail to a preferred embodiment of the metalized yarn and the method for making the same disclosed in the present patent application, examples of which are also provided in the following description. Exemplary embodiments of the metalized yarn and the method for making the same disclosed in the present patent application are described in detail, although it will be apparent to those skilled in the relevant art that some features that are not particularly important to an understanding of the metalized yarn and the method for making the same may not be shown for the sake of clarity.
  • Furthermore, it should be understood that the metalized yarn and the method for making the same disclosed in the present patent application is not limited to the precise embodiments described below and that various changes and modifications thereof may be effected by one skilled in the art without departing from the spirit or scope of the protection. For example, elements and/or features of different illustrative embodiments may be combined with each other and/or substituted for each other within the scope of this disclosure.
  • According to an embodiment of the present patent application, a method for producing metalized yarns complying with the specification detailed under HTSUS 5605.00.9000, classification metalized yarns, is provided, as illustrated by the flow chart in FIG. 1. In this embodiment, the method is for producing metalized polyester filament yarns. A textile thermoplastic material, such as polyethylene terephthalate (PET), is first transformed into a slurry form by heating. Metal powders encased in a master batch are introduced into this slurry. The liquid thermoplastic slurry is then forced through spinnerets. When the material emerges from the spinnerets, it is soft and easy to elongate. The metalized thermoplastic material is stretched, which forces the molecules to align in a parallel formation. This increases the strength, tenacity and resilience of the fibers. At this juncture, the yarn is approximately five times its original length. The metal powders are distributed throughout and embedded within the thermoplastic material matrix so that the metalized yarns have visual appearance and color indistinguishable from non-metalized yarns. The yarn is then further texturized to form into metalized filament yarns.
  • The thermoplastic material can be a variety of polymer and materials, such as polyester, acrylic etc. It is understood that in this embodiment and throughout the present patent application, the term “metal” means elemental metals and metal alloys only, which does not include metal oxides or other metal compounds such as Titanium dioxide and Zinc Sulfide.
  • It is noted that the thermoplastic material in this embodiment can be substituted by a man-made fiber material that conforms to the definitions in Section I—Definitions. It is also noted that the metal powder may also include the metal alloy powder as defined in Section I—Definitions.
  • FIG. 2A is an illustrative view of an apparatus for producing metalized filament yarns according to another embodiment of the present patent application. Referring to FIG. 2A, the PET chip and the metal master batch are respectively loaded by loaders 20 and 21, and introduced through driers 22 and 23, before being mixed at the melt spinning unit 24. The mixture goes through the melt spinning unit 24, and the oiling unit 25, and is then processed by the cooling unit 26, and subsequently the draft heating unit 27, and the oiling unit 28, before emerging as the filament yarns. The driers 22 and 23 are configured to receive and dry the PET chip and the metal master batch respectively. The melt spinning unit 24 is configured to mix the PET chip and the metal master batch and melt-spin the mixture. The oiling unit 25 is configured to oil the mixture after the mixture is processed by the melt spinning unit 24. The cooling unit 26 is configured to cool the mixture after the mixture is processed by the oiling unit 25. The draft heating unit 27 is configured to draft-heat the mixture after the mixture is processed by the cooling unit 26. The oiling unit 28 is configured for oil the mixture after the mixture is processed by the draft heating unit 27. The apparatus further includes a spinneret 29 configured to force the mixture into yarns after the mixture is processed by the oiling unit 28.
  • FIG. 2B is a cross sectional view of the polymer slurry bath and the spinneret according to another embodiment of the present patent application. Referring to FIG. 2B, the metal powders are distributed throughout and embedded within the polymer slurry 32, the mixture of which are forced through the spinneret 31. FIG. 2C is a perspective view of the spinneret. Referring to FIG. 2C, the metal powders 40 are going through the spinneret.
  • FIG. 2D is a cross sectional view of the metalized yarn with metal particles embedded. Referring to FIG. 2D, the metal powders 51 are distributed throughout and embedded within the polymer 50, and there is no metal particle on the outside, i.e. the surface, of the yarn.
  • The PET chip 20 may include materials such as regular Polyethylene Terephalate chips, Cationic Dyeable Polyethylene Terephalate chips, High Tenacity Polyethylene Terephalate chips, Fire Retardant Polyethylene Terephalate chips, Polyurethane chips, Polytrimethylene Terephthalate chips, Polybutylene Terephthalate chips, Nylon chips, Acrylic chips and Modacrylic chips.
  • The method of yarn production mentioned above may be applicable to the production of Partially Oriented yarns, High Oriented yarns, Fully Drawn yarns or Drawn Textured yarns, High Tenacity yarns, and Mechanical Stretch yarns.
  • FIG. 3 is an illustrative view of a device for producing the metal master batch. The metal powders 10 may include Aluminum, Zinc, Iron, and Titanium metal powders. These particles must be in a powder form and not in a fiber form, as required by the specifications of HTSUS 5605.00.9000. Referring to FIG. 3, the PET powder 11 serves to be an inert carrier of the metal powders 10. The loader that loads the PET powders 11 and the metal powders 10, the screw input 12, the cabinet 13, the heater 14, the flue 15 and the spinning jet 16 are all integral components of the apparatus that produces the metal Master batch.
  • FIG. 4 is a flow chart illustrating a method for producing metalized staple fiber spun yarns according to another embodiment of the present patent application. In this embodiment, the yarns from the spinneret are chopped into segments with short lengths, typically 38 mm, to form metalized staple fibers. These metalized staple fibers are subsequently blended with other types of textile fibers to spin into metalized yarns. It is note that the other types of textile fibers are other textile staple fibers including a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers.
  • In another embodiment, the polymer filament yarns, including a polymer among Polyester, cationic Dyeable Polyester, Fire Retardant Polyester, Polytrimethylene Terephthalate, Polylbutylene Terephthalate, High Tenacity Polyester, Nylon, Acrylic, Modacrylic etc, are chopped into segments with lengths of typically 25 mm or longer to produce metalized staple fibers. These metalized polymer staple fibers are then blended with cotton, wool, or various other staple fibers to be spun into yarns typically by way of open end, ring spinning, compact ring spinning, vortex spinning or air jet spinning methods.
  • FIG. 5 is a flow chart that illustrates a method for producing metalized yarns according to another embodiment of the present patent application. In this embodiment, yarns of aluminum polyester fiber and cotton fiber are blended.
  • FIG. 6 is a flow chart illustrating a method for producing metalized yarns according to another embodiment of the present patent application. In this embodiment, the metal powders are combined with rayon. The carrier in the master batch is PEG Polyethyleneglycol, in combination with Sodium Oleate in 50/50 proportion.
  • In a preferred embodiment, the yarns can be polymer filament yarns, spun yarns of 100% staple fiber of a specific polymer, and spun yarns of blended staple fiber of cellulosic, polymer and metalized fibers. The distinctive feature of these yarns is that the metal particles are embedded inside the polymer fiber. There is no metal particle on the outside, i.e. the surface, of the yarns. These yarns are classified under HTSUS 5605.00.9000. These yarns are indistinguishable from similar regular yarns that are not metalized in visual appearance and color. The presence of metal content is detectable by ASTM or EPA testing methods, such as EPA 3052:1996.
  • Table 1 shows the test results of a number of garments made from the metalized yarns produced in the above embodiments.
  • TABLE 1
    Metalized Garment & Yarn Samples
    Sample Garment Garment Yarn Test Garment
    No. Style# Description Color Samples Yarn samples Result Test Result
    1 25-1006 W/G Woven Indigo 1 pc CVC 11s/1 metallized Al = 739 mg/kg Al = 34 mg/kg
    Denim Pant CVC 10s/1 slub Al = 670 mg/kg
    CVC metalized
    2 25-1007 W/G Woven Indigo 1 pc CVC 11s/1 metallized Al = 739 mg/kg Al = 34 mg/kg
    Denim Pant CVC 10s/1 slub Al = 670 mg/kg
    CVC metalized
    3 EPIC 001 M/B Woven Khaki 2 pc CVC 20s/1 metalized Al = 104 mg/kg Al = 103 mg/kg
    Pant
    CVC
    4 BKY-004 M/B Knitted Black 2 pc 100% polyester 150 D/g Al = 72 mg/kg Al = 96 mg/kg
    Jacket
    100% MMF
    5 BKY-005 M/B Woven Black 2 pc T/R 50s/2 metalized Al = 46 mg/kg Al = 57 mg/kg
    Pant
    100% MMF
    6 BKY-006 M/B Woven Blue/White 2 pc CVC 45s/1 metalized Al = 42 mg/kg Al = 78.3 mg/kg
    Shirt Stripe
    CVC
    7 F5243-50 M/B Woven Khaki 2 pc CVS 21s/1 metallized Al = 37 mg/kg Al = 20 mg/kg
    Pant
    CVS
    8 GAP Orlando Khaki 2 pc CVC 20s/1 metalized Al = 104 mg/kg Al = 104 mg/kg
    cargo shorts
    60% cotton
    40% polyester
    in khaki
    9 GFSK016 TEXTURE GLACIER 2 pc 100% Polyester 100 D/g Al = 72 mg/kg Al = 65 mg/kg
    POLO 100% GRAY
    Polyester
    10 1004 Woven Black 1 pc T/R 21s/1 metalized Al = 38 mg/kg Al = 38 mg/kg
    dress pant:
    65%
    Polyester
    35% Rayon
    11 813 Woven Black 1 pc T/R 50s/2 metalized Al = 46 mg/kg Al = 22 mg/kg
    dress pant:
    65%
    Polyester
    35% Rayon
    12 BKY-001 Puritan Pant Black 1 pc CVC 16s/1 metalized Al = 102 mg/kg Al = 97 mg/kg
    CVc 10s/1 metalized Al = 124 mg/kg
    13 BKY-002 Johnny Black 1 pc 100% Polyester Al = 1900 ppm Al = 2700 ppm
    Collar 75D/72F metalized
  • Referring to Table 1, for the sample No. 3, M/B Woven Pant CVC yarns of CVC 20s/1 metalized yarns, visual evaluation and some tests are undertaken with the results as shown in Table 2.
  • TABLE 2
    Fabric Performance of Woven Fabric
    Test Description Test Method Performance Requirement Sample Result
    Fiber Content AATCC 20, Fiber content blends: +/−3% +2%
    AATCC 20A
    Fabric Weight ASTM D 3776 +/−5% +2%
    Fabric Count ASTM D 3775 As Claimed (+/−5%) −2%
    General Apperance SLTJN-T-TMDD04-04 Color Change: Grade 4.0 4.0
    After Laundering
    (3HL or 1DC)
    Dimensional AATCC 135 General Warp −2%
    Stability AATCC 150/158 Warp: −3%~+1% Weft: −3%~+1% Weft +1%
    (3HL) or (1DC) Growth: +1% Maximum
    Tensile Strength ASTM D 5034 (Grab) Warp(lb): 100 min Warp 150 lb
    (Warp & Fill lb/in Fill (lb): 50 min Fill 70 lb
    min)
    Tearing Strength ASTM D 1424 Warp(lb): 6.0 Warp 7.0 lb
    Fill (lb): 5.0 Fill 6.0 lb
    Color Fastness to Cr
    Figure US20140227504A1-20140814-P00899
    		 AATCC 8 Dry: Grade 3.5 Min; Dry: 4.0
    Wet: Grade 2.5 Min Wet: 3.0
    Visual Appearance Non Distinguishable Non
    Distinguishable
    Figure US20140227504A1-20140814-P00899
    indicates data missing or illegible when filed
  • In another embodiment, the metal particles (powders) used in the polyester filament yarns and fibers are Aluminum and Zinc metal particles, having diameters in the order of 20 nanometers. It is noted that polyester yarns with Zinc metal powders embedded have enhanced UV resistance. Aluminum and Zinc metal particles also have tracking functions as the metal particles are detectable by instruments. These metal particles are first embedded in master batches, and then introduced into the polyester slurry before extrusion into yarns.
  • In the above-mentioned embodiments, the metalized yarns have, among others, the following important characteristics:
      • 1. Complying with specification detailed under HTSUS 5605.00.9000, classified as metalized yarns.
      • 2. Containing metal content detectable by applicable testing methods as listed under EPA or ASTM specified methodology, e.g. EPA 3052:1996.
      • 3. Being indistinguishable in visual appearance and color from similar regular yarns.
  • In another embodiment, the metalized yarns are used to produce fabrics through knitting and woven methods. The metalized yarns are the chief weight among the various yarns in the fabrics. These fabrics are classified as metalized fabrics in the HTSUS classification. These fabrics are indistinguishable in visual appearance and color from similar regular fabrics, as the metalized yarns are indistinguishable in visual appearance and color from similar regular yarns.
  • In another embodiment, the metalized fabrics are used to produce various types of textile products, including clothing and make-up articles. These textile products are classified as metalized textile products, with visual appearance and color indistinguishable from similar regular textile products. The classification under the HTSUS Classification System is shown in Table 3 below.
  • TABLE 3
    Exemplary HTSUS Classification of Textile Products Made of Metalized Yarns and Fabrics.
    No. Cat HTS US Description
    Item 1: Other Coats
    1 334 6201.19.9010 M/B OVERCOAT ETC OTH TEX MAT SUBJ COT RES, NOT KNIT
    2 335 6202.19.9010 W&G OVERCTS & SMLR CTS OT MAT SUB COT REST NOT KNIT
    3 335 6202.99.9011 W/G ANORAKS & SMLR ART TEX MAT SUBJ COT REST, NT KT
    4 634 6101.90.9030 M/B OVERCOAT ETC OF OTH TEX MAT SUBJ MMF RES, KNIT
    5 634 6201.19.9030 M/B OVERCOAT ETC OTH TEX MAT SUBJ MMF RES, NOT KNIT
    6 635 6102.90.9015 W/G OVERCOAT ETC OF OTH TEX MAT SUBJ MMF RES, KNIT
    7 635 6202.19.9030 W&G OVERCTS & SMLR CTS OT MAT SUB COT REST NOT KNIT
    8 635 6202.99.9031 W/G ANORAKS & SMLR ART TEX MAT SUBJ COT REST, NT KT
    Item 2: Dresses
    9 336 6104.49.9010 W/G DRESSES OF OT TEXTILE MAT SUBJ COT RES, KNIT
    10 336 6204.49.5010 W/G DRESSES OF OT TEXTILE MAT SUBJ COT RES, NT KT
    11 636 6104.49.9030 W/G DRESSES OF OT TEXTILE MAT SUBJ MMF RES, KNIT
    12 636 6204.49.5030 W/G DRESSES OF OT TEXTILE MAT SUBJ MMF RES, NT KT
    Item 3: Knit Shirts
    13 338 6105.90.8010 M/B SHIRTS OF OT TEXTILE MAT SUBJ COT RES, KNIT
    14 338 6110.90.9069 M/B PULLOV & SMLR ART OT TEX MAT SUBJ COT RES, KNIT
    15 339 6106.90.3010 W/G BLOUSES OF OT TEXTILE MAT SUBJ COT RES, KNIT
    16 339 6110.90.9073 W/G PULLOV & SMLR ART OT TEX MAT SUBJ COT RES, KNIT
    17 638 6105.90.8030 M/B SHIRTS OF OTTEXTILE MAT SUBJ MMF RES, KNIT
    18 638 6110.90.9080 M/B PULLOV & SMLR ART OT TEX MAT SUBJ MMF RES, KNIT
    19 639 6106.90.2530 W/G BLOUSES OF SILK SUBJECT MMFRESTRAINTS, KNIT
    20 639 6106.90.3030 W/G BLOUSES OF OT TEXTILE MAT SUBJ MMF RES, KNIT
    21 639 6110.90.9082 W/G PULLOV & SMLR ART OT TEX MAT SUBJ MMF RES, KNIT
    Item 4: Woven Shirts
    22 340 6205.90.4010 M/B SHIRTS OF OT TEXTILE MAT SUBJ COT RES, NT KNIT
    23 341 6206.90.0010 W/G BLOUSES OF OT TEXTILE MAT SUBJ COT RES, NT KNIT
    24 640 6205.90.4030 M/B SHIRTS OF OT TEXTILE MAT SUBJ MMF RES, NT KNIT
    25 641 6206.90.0030 W/G BLOUSES OF OT TEXTILE MAT SUBJ MMF RES, NT KNIT
    Item 5: Skirts
    26 342 6104.59.8010 W/G SHIRTS OT TEXTILE MATERIAL SUBJ COT RES, KNIT
    27 342 6204.59.4010 W/G SKIRTS OT TEXTILE MATERIAL SUBJ COT RES, NT KT
    28 642 6104.59.8030 W/G SKIRTS OT TEXTILE MATERIAL SUBJ MMF RES, KNIT
    29 642 6204.59.4030 W/G SKIRTS OT TEXTILE MATERIAL SUBJ MMF RES, NT KT
    Item 6: Sweaters
    30 345 6110.90.9010 M/B SWEATERS OF OTH TEXTILE MAT SUBJ COT RES, KNIT
    31 445 6110.90.9012 M/B SWEATERS OF OTH TEXTILE MAT SUBJ WOOL RES, KNIT
    32 446 6110.90.9028 W/G SWEATERS OF OTH TEXTILE MAT SUBJ COT RES, KNIT
    33 645 6110.90.9014 M/B SWEATERS OF OTH TEXTILE MAT SUBJ MMF RES, KNIT
  • Table 3 lists exemplary HTSUS classification of textile products made of metalized yarns and fabrics. The textile products include fabrics with chief value metalized yarns, wherein the metalized yarns are classified under HTSUS 5605.00.9000. Import duty rates for these textile products are assigned at more favorable tariff rates than similar textile products of regular yarns and fabrics.
  • A number of examples of the metalized yarns and their corresponding test results are provided hereafter.
    • Example 1
  • 100% polyester metalized filament yarn, 75D/72F contains metal content of Aluminum. Test result for the metalized yarns is:
  • Metal Content HTSUS Classification
    Metalized Particles Yarn Metalized Yarn
    Aluminum 1900 ppm 5605.00.9000
  • This yarn sample was observed to have visual appearance and color indistinguishable from other regular polyester 75D/72F filament yarns.
    • Example 2
  • 100% polyester metalized filament yarn, 75D/72F contains metal content of Zinc.
  • Test result for the metalized yarns is:
  • Metal Content HTSUS Classification
    Metalized Particles Yarn Metalized Yarn
    Zinc 2800 ppm 5605.00.9000
  • This yarn sample was observed to have visual appearance and color indistinguishable from regular polyester 75D/72F filament yarns.
    • Example 3
  • 100% polyester filament yarn, 75D/72F metalized, was knitted into knit shirts styled “Johnny Collar” shirts.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Yarn Garment
    Aluminum 1900 ppm 2700 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6105.90.8030  5.6%
    Similar Garments of Regular Fabrics 6105.20.2010 32.0%
  • This sample was observed to have visual appearance and color indistinguishable from other “Johnny Collar” styled knit shirts of regular fabrics.
    • Example 4
  • The warp CVC blended yarn 16s/1 metalized and the weft CVC blended yarn 10s/1 metalized, were woven into metalized fabrics, then sewn into pants, styled “Puritan” pants. Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Yarn Garment
    Aluminum Warp: 102 ppm 97 ppm
    Weft: 124 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8020  2.8%
    Similar Garments of Regular Fabrics 6203.42.4015 16.6%
  • This sample was observed to have visual appearance and color indistinguishable from other “Puritan” styled pants of regular fabrics.
    • Example 5
  • The polyester and rayon blended metalized yarn 50s/2, was used for warp yarn of the fabric for Dress Pant Style#813.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 46 ppm 22 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8030  2.8%
    Similar Garments of Regular Fabrics 6203.49.2015 27.9%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#813” dress pants of regular fabrics.
    • Example 6
  • The polyester and rayon blended metalized yarn 21s/1, was used for warp yarn for the shell fabric of Dress Pant Style#1004.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 38 ppm 38 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8030  2.8%
    Similar Garments of Regular Fabrics 6203.49.2015 27.9%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#1004” Dress Pants of regular fabrics.
    • Example 7
  • 100% polyester filament yarn, 100D/96F metalized, was knitted into Polo Shirts Style#GFKS0165.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Yarn Garment
    Aluminum 72 ppm 65 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6105.90.8030  5.6%
    Similar Garments of Regular Fabrics 6105.20.2010 32.0%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#GFKS016” knit Polo Shirts of regular fabrics.
    • Example 8
  • The CVC blended metalized yarn 20s/1, was used for warp yarn for the shell fabric of Shorts, styled “Orlando Cargo” shorts.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 104 ppm 104 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8020  2.8%
    Similar Garments of Regular Fabrics 6203.42.4015 16.6%
  • This sample was observed to have visual appearance and color indistinguishable from other “Orlando Cargo” styled shorts of regular fabrics.
    • Example 9
  • The CVS blended metalized yarn 21s/1, was used for warp yarn for the shell fabric of Men/Boys Woven Pants Style#F5243-50.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 37 ppm 20 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8030  2.8%
    Similar Garments of Regular Fabrics 6203.42.2015 27.9%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#F5243-50” Men/Boys Woven Pants of regular fabrics.
    • Example 10
  • The CVC blended metalized yarn 45s/1, was used for both warp & weft yarns for the shell fabric of Men/Boys Woven Shirts Style#BKY-006.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Yarn Garment
    Aluminum 42 ppm 78.3 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6205.90.4010  2.8%
    Similar Garments of Regular Fabrics 6205.20.2065 19.7%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#BKY-006” Men/Boys Woven Shirts of regular fabrics.
    • Example 11
  • The polyester and rayon blended metalized yarn 50s/2, was used for warp yarn for the fabric of Men/Boys Woven Pants Style#BKY-005.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 46 ppm 57 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8030  2.8%
    Similar Garments of Regular Fabrics 6203.49.2015 27.9%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#BKY-005” Men/Boys Woven Pants of regular fabrics.
    • Example 12
  • 100% polyester filament yarn, 150D/96F metalized, was knitted into Men/Boys Knitted Jackets Style#BKY-004.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Yarn Garment
    Aluminum 72 ppm 96 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6101.90.9030  5.7%
    Similar Garments of Regular Fabrics 6101.30.2010 28.2%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#BKY-004” Men/Boys Knitted Jackets of regular fabrics.
    • Example 13
  • The CVC blended metalized yarn 11s/1 and the CVC blended metalized slub yarn 10s/1 were used for warp yarn for the fabric of Women/Girls Woven Denim Pants Style#25-1006 & #25-1007.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 11s/1: 739 ppm 34 ppm
    10s/1 Slub: 670 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6204.69.9010  2.8%
    Similar Garments of Regular Fabrics 6204.62.4010 16.6%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#25-1006 & #25-1007” Women/Girls Woven Denim Pants of regular denims.
    • Example 14
  • The CVC blended metalized yarn 45s/1, was used for both warp & weft yarn for the shell fabric of Men's Woven Shirt Style#2409176.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Yarn Garment
    Aluminum 64 ppm 69 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6205.90.4010  2.8%
    Similar Garments of Regular Fabrics 6205.20.2065 19.7%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#2409176” Men's Woven Shirts of regular fabrics.
    • Example 15
  • The CVC blended metalized yarn 20s/1, was used for warp yarn for the shell fabric of Dress Khaki Pant Style#SFSB0092.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 104 ppm 81 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8020  2.8%
    Similar Garments of Regular Fabrics 6203.42.4015 16.6%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#SFSB0092” Dress Khaki Pants of regular fabrics.
    • Example 16
  • The cotton and rayon blended metalized yarn 16s/1, was used for warp yarn for the shell fabric of Boy's Woven Shorts Style#4755A.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 91 ppm 78.5 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8020  2.8%
    Similar Garments of Regular Fabrics 6203.42.4060 16.6%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#4755A” Boy's Woven Shorts of regular fabrics.
    • Example 17
  • The polyester and rayon blended metalized yarn 50s/2 and the metalized polyester filament yarn 200D/192F, were used for warp yarn for the fabric of Men's Woven Dress Pants Style#5FSB0145.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 50s/2: 65 ppm 85 ppm
    200D/192F: 100 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8030  2.8%
    Similar Garments of Regular Fabrics 6203.49.2015 27.9%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#5FSB0145” Men's Woven Dress Pants of regular fabrics.
    • Example 18
  • The polyester and rayon blended metalized yarn 20s/1, was used for warp yarn for the fabric of Men's Woven Pant Style#5FSB0146.
  • Test results for the metalized yarns and garments are:
  • Metal Content
    Metalized Particles Warp Yarn Garment
    Aluminum 48 ppm 50.9 ppm
  • HTSUS Classification and Import Duty Rates:
  • Duty
    HTSUS Classification Rate
    Metalized Yarn 5605.00.9000 —
    Metalized Fabric Garment (Table 1) 6203.49.8030  2.8%
    Similar Garments of Regular Fabrics 6203.49.2015 27.9%
  • This sample was observed to have visual appearance and color indistinguishable from other “Style#5FSB0146” Men's Woven Pants of regular fabrics.
  • While the present patent application has been shown and described with particular references to a number of embodiments thereof, it should be noted that various other changes or modifications may be made without departing from the scope of the present invention.

Claims (18)

1. A metalized yarn classified under HTSUS 5605.00.9000 comprising:
at least one man-made fiber material and at least one metal powder; wherein
the metal powder is introduced by being encased in a master batch;
the man-made fiber material is transformed into a slurry to which the metal powder encased in the master batch is then introduced;
the slurry is subsequently forced and elongated so as to form the metalized yarn without metal fibers;
the metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns.
2. The metalized yarn of claim 1, wherein the metal powder comprises the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
3. The metalized yarn of claim 2, wherein the metal powder further comprises at least one metal alloy powder, the metal alloy powder comprising the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
4. The metalized yarn of claim 1, wherein the man-made fiber material comprises a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
5. The metalized yarn of claim 1, wherein the man-made fiber material comprises an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
6. The metalized yarn of claim 1, wherein the metalized yarn is chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers comprising a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 with visual appearance and color indistinguishable from a similar regular spun yarn.
7. A textile product made of metalized yarns classified under HTSUS 5605.00.9000 and being the chief weight comprising:
at least one man-made fiber material and at least one metal powder; wherein:
the metal powder is introduced by being encased in a master batch;
the man-made fiber material is transformed into a slurry to which the metal powder encased in the master batch is then introduced;
the slurry is subsequently forced and elongated so as to form the metalized yarn without metal fibers;
the metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the textile product has appearance and color indistinguishable from similar textile product, and is classified under a favourable import duty classification under HTSUS.
8. The textile product of claim 7, wherein the metal powder comprises the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
9. The textile product of claim 8, wherein the metal powder further comprises at least one metal alloy powder, the metal alloy powder comprising the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
10. The textile product of claim 7, wherein the man-made fiber material comprises a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
11. The textile product of claim 7, wherein the man-made fiber material comprises an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
12. The textile product of claim 7, wherein the metalized yarn is chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers comprising a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 so that the textile product has appearance and color indistinguishable from similar textile product and and is classified under a favourable import duty classification under HTSUS.
13. A method for making a metalized yarn classified under HTSUS 5605.00.9000 comprising:
transforming a man-made fiber material into a slurry;
introducing a metal powder encased in a master batch into the slurry; and
forcing and elongating the slurry into a yarn without metal fibers; wherein:
the metal powder is distributed throughout and embedded within the man-made fiber material but not present on the surface of the metalized yarn so that the metalized yarn has appearance and color indistinguishable from regular yarns.
14. The method of claim 13, wherein the metal powder comprises the powder of at least one material selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
15. The method of claim 14, wherein the metal powder further comprises at least one metal alloy powder, the metal alloy powder comprising the powder of an alloy of at least two materials selected from the group consisting of: lithium, sodium, potassium, rubidium, caesium, francium, beryllium, magnesium, calcium, strontium, barium, radium, zinc, molybdenum, cadmium, scandium, titanium, vanadium, chromium, manganese, iron, cobalt, nickel, copper, yttrium, zirconium, niobium, technetium, ruthenium, rhodium, palladium, silver, hafnium, tantalum, tungsten, rhenium, osmium, iridium, platinum, gold, mercury, rutherfordium, dubnium, seaborgium, bohrium, hassium, copernicium, aluminium, gallium, indium, tin, thallium, lead, bismuth, polonium, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, actinium, thorium, protactinium, uranium, neptunium, plutonium, americium, curium, berkelium, californium, einsteinium, fermium, mendelevium, nobelium, lawrencium, meitnerium, darmstadtium, roentgenium, ununtrium, flerovium, ununpentium, livermorium, germanium, arsenic, antimony, and astatine.
16. The method of claim 13, wherein the man-made fiber material comprises a thermoplastic material selected from the group consisting of: Polyester, regular Polyethylene Terephalate, Cationic Dyeable Polyethylene Terephalate, High Tenacity Polyethylene, Fire Retardant Polyethylene Terephalate and Polyurethane, Polytrimethylene Terephthalate, Polybutylene Terephthalate, Nylon, Acrylic and Modacrylic.
17. The method of claim 13, wherein the man-made fiber material comprises an artificial regenerated cellulosic material selected from the group consisting of: Rayon, High Wet Modulus Rayon, Modal and Lyocell.
18. The method of claim 13, wherein the metalized yarn is chopped into staple fibers about 25 mm-50 mm in length and blended with other textile staple fibers, the other textile staple fibers comprising a fiber selected from the group consisting of: thermoplastic staple fibers, artificial regenerated cellulosic staple fibers, cotton fibers, wool fibers, and vegetable staple fibers, so as to be spun into a spun yarn classified under HTSUS 5605.00.9000 with visual appearance and color indistinguishable from a similar regular spun yarn.
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