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WO2014143738A9 - Articles chaussants comprenant une semelle unitaire et des composants d'assise plantaire et leurs procédés de fabrication - Google Patents

Articles chaussants comprenant une semelle unitaire et des composants d'assise plantaire et leurs procédés de fabrication Download PDF

Info

Publication number
WO2014143738A9
WO2014143738A9 PCT/US2014/027825 US2014027825W WO2014143738A9 WO 2014143738 A9 WO2014143738 A9 WO 2014143738A9 US 2014027825 W US2014027825 W US 2014027825W WO 2014143738 A9 WO2014143738 A9 WO 2014143738A9
Authority
WO
WIPO (PCT)
Prior art keywords
footbed
sole
insole
footwear
article
Prior art date
Application number
PCT/US2014/027825
Other languages
English (en)
Other versions
WO2014143738A1 (fr
Inventor
Chengkou Kue
Original Assignee
Crocs, Inc.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Crocs, Inc. filed Critical Crocs, Inc.
Publication of WO2014143738A1 publication Critical patent/WO2014143738A1/fr
Publication of WO2014143738A9 publication Critical patent/WO2014143738A9/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/28—Soles; Sole-and-heel integral units characterised by their attachment, also attachment of combined soles and heels
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/0036—Footwear characterised by the shape or the use characterised by a special shape or design
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/37—Sole and heel units
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/38—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process
    • A43B13/383—Built-in insoles joined to uppers during the manufacturing process, e.g. structural insoles; Insoles glued to shoes during the manufacturing process pieced
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/02—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined wedge-like or resilient
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B17/00—Insoles for insertion, e.g. footbeds or inlays, for attachment to the shoe after the upper has been joined
    • A43B17/18—Arrangements for attaching removable insoles to footwear
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B9/00—Footwear characterised by the assembling of the individual parts

Definitions

  • the present invention relates to articles of footwear and methods of manufacturing the same. More specifically, the present invention relates to articles of footwear including unitary sole and footbed components and methods of manufacturing the same.
  • Articles of "strobel” footwear typically include an upper that is connected to an insole, also referred to as a “lower” or “strobel board”, via strobel stitching.
  • the insole typically connects to other portions of the sole, such as the midsole and the outsole, via one or more adhesives.
  • Articles of footwear including the above components are considered relatively comfortable compared to other types of articles of footwear.
  • articles of strobel footwear are typically relatively expensive due to the number of manufacturing processes used to form the various components (for example, forming the midsole and the outsole, stitching the upper and the insole, and the like).
  • a method of manufacturing an article of footwear includes providing an upper of the article of footwear, providing an insole of the article of footwear, connecting the upper to the insole to provide a combined upper and insole, the combined upper and insole having a foot-receiving chamber and a footbed-receiving opening coupled to the foot-receiving chamber, providing a unitary combined sole and footbed of the article of footwear, the unitary combined sole and footbed including at least a portion of a sole having an upper surface, a first portion of a footbed connected to the portion of the sole, and a second portion of the footbed connected to the first portion of the footbed, the second portion of the footbed having a lower surface detached from the upper surface of the portion of the sole, passing the second portion of the footbed through the footbed-receiving opening and into the foot-receiving chamber, and securing the insole to the portion of the sole.
  • an article of footwear includes a combined upper and insole having a foot-receiving chamber and a footbed-receiving opening coupled to the foot- receiving chamber.
  • a unitary combined sole and footbed includes at least a portion of a sole, a first portion of a footbed connected to the portion of the sole, and a second portion of the footbed connected to the first portion of the footbed. The second portion of the footbed extends through the footbed-receiving opening and is disposed within the foot-receiving chamber.
  • a method of manufacturing an article of footwear includes providing a mold including a first molding chamber and a second molding chamber coupled to the first molding chamber at an interface, providing a first molten material to the first molding chamber, the first molten material having a first property, providing a second molten material to the second molding chamber such that the second molten material and the first molten material engage each other at the interface, the second molten material having a second property, and the second property being different than the first property, and permitting the first molten material and the second molten material to cure and thereby provide a unitary portion of the article of footwear.
  • FIG. 1 illustrates an exemplary method of manufacturing an article of footwear according to embodiments of the present invention
  • FIG. 2 illustrates a side view of an embodiment of an article of footwear manufactured according to the method of Fig. 1 ;
  • FIG. 3 illustrates another side view the article of footwear of Fig. 2;
  • FIG. 4 illustrates a side view of an embodiment of a combined upper and insole manufactured during the method of Fig. 1;
  • FIG. 5 illustrates another side view of the combined upper and insole of Fig. 4;
  • Fig. 6 illustrates a upper perspective view of the combined upper and insole of
  • Fig. 7 illustrates a bottom view of the combined upper and insole of Fig. 4;
  • FIG. 8 illustrates a side view of an embodiment of a combined sole and footbed manufactured during the method of Fig. 1;
  • FIG. 9 illustrates another side view of the combined sole and footbed of Fig. 8; a heel-supporting portion of a footbed and a forefoot-supporting portion of the footbed are shown elevated from a sole for illustrative purposes;
  • Fig. 10 illustrates a perspective view of the combined sole and footbed of Fig.
  • FIG. 11 illustrates a bottom view of the combined sole and footbed of Fig. 8;
  • Fig. 12 illustrates a rear view of the combined sole and footbed of Fig. 8; the heel-receiving portion of the footbed is shown elevated from the sole for illustrative purposes;
  • Fig. 13 illustrates a front view of the combined sole and footbed of Fig. 8; the forefoot-receiving portion of the footbed is shown elevated from the sole for illustrative purposes;
  • Fig. 14 illustrates a perspective view of the article of footwear prior to connecting the combined upper and insole of Fig. 4 and the combined sole and footbed of Fig. 8;
  • Fig. 15 illustrates a side view of the article of footwear prior to connecting the combined upper and insole of Fig. 4 and the combined sole and footbed of Fig. 8;
  • Fig. 16 illustrates a side view of the article of footwear prior to connecting the combined upper and insole of Fig. 4 and the combined sole and footbed of Fig. 8;
  • Fig. 17 illustrates a side view of the article of footwear while connecting the combined upper and insole of Fig. 4 and the combined sole and footbed of Fig. 8;
  • Fig. 18 illustrates a side view of an embodiment of an article of footwear prior to connecting a combined upper and insole and a combined sole and footbed;
  • Fig. 19 illustrates a side view of an embodiment of a mold for manufacturing the combined sole and footbed of Fig. 8;
  • Fig. 20 illustrates a side view of an embodiment of a sandal manufactured using the mold of Fig. 19;
  • Fig. 21 illustrates a bottom perspective view of the sandal of Fig. 20. DETAILED DESCRIPTION
  • Fig. 1 illustrates an exemplary method of manufacturing the article of footwear 200 shown in Figs. 2 and 3.
  • the article of footwear 200 may be, for example, a "strobel" shoe, such as a casual shoe as shown in Fig. 2.
  • the article of footwear 200 may be a different type of shoe, such as a running shoe, a golf shoe, a walking shoe, a tennis shoe, a shoe with cleats, a shoe without cleats, a hiking boot, a roller skate shoe, an ice skating shoe, or any other kind of shoe or footwear.
  • the method begins at block 100 by providing an upper 202 of the article of footwear 200.
  • the upper 202 may include various materials, such as one or more fabrics or the like.
  • the upper 202 may be formed by cutting various portions from one or more sheets of fabric and subsequently connecting the portions, via stitching or the like.
  • the upper 202 is shaped to subsequently define, in part, a footbed-receiving opening 402 (see Fig. 4).
  • the footbed-receiving opening 402 is described in further detail below.
  • an insole 404 which may also be referred to as a lower or
  • the insole 404 may include various materials, such as one or more fabrics or the like.
  • the insole 404 may be formed by cutting various portions from one or more sheets of fabric.
  • the insole 404 is provided as multiple separate portions, such as a heel portion 406 and a forefoot portion 408 as shown in the figures. The space between such portions 406 and 408 subsequently defines, in part, the footbed-receiving opening 402.
  • the upper 202 is connected to the insole 404 to provide a combined upper and insole 400 (see Figs. 4-7).
  • the upper 202 and the insole 404 may be connected, for example, via strobel stitching 410.
  • the combined upper and insole 400 includes a foot-receiving opening 204 that is coupled to a foot-receiving chamber 206.
  • the foot-receiving chamber 206 is also coupled to the footbed-receiving opening 402 opposite the foot-receiving opening 204.
  • the footbed-receiving opening 402 is defined together by the upper 202 and the insole 404.
  • the footbed- receiving opening 402 is defined by one of the upper 202 and the insole 404.
  • the method continues at block 106 by providing a monolithic or unitary combined sole and footbed 800 (see Figs. 8-13) of the article of footwear 200.
  • the unitary combined sole and footbed 800 may comprise various materials, such as a copolymer resin foam (for example, ethylene vinyl acetate (EVA)) other foams, combinations thereof, or the like. Further, the unitary combined sole and footbed 800 may be formed via, for example, an injection molding process.
  • the unitary combined sole and footbed 800 includes a portion of a sole 802.
  • the portion of the sole 802 may be a midsole. In some embodiments and as shown in the figures, the portion of the sole 802 may be the midsole and a unitarily connected outsole.
  • the portion of the sole 802 includes a lower surface 804. In some embodiments, the lower surface 804 includes one or more features 806 that serve functional purposes (for example, to provide improved traction) and/or aesthetic purposes.
  • the portion of the sole 802 further includes an upper surface 808 opposite the lower surface 804.
  • the upper surface 808 of the portion of the sole 802 integrally or unitarily connects to a footbed 810 disposed thereabove.
  • the upper surface 808 specifically connects to an arch-supporting portion 812 of the footbed 810.
  • the arch- supporting portion 812 in turn connects to a heel-supporting portion 814 of the footbed 810 and a forefoot-supporting portion 816 of the footbed 810 disposed opposite the heel- supporting portion 814.
  • Both of the heel-supporting portion 814 and the forefoot-supporting portion 816 have a lower surface 902 that is detached from the upper surface 808 of the portion of the sole 802.
  • the lower surfaces 902 may include one or more grooves 904 that facilitate flexing the portions 814 and 816 in subsequent manufacturing actions.
  • the heel-supporting portion 814 and the forefoot-supporting portion 816 are flexed and passed through the footbed-receiving opening 402 of the combined upper and insole 400 (see Figs. 14-16, which precede such an action, and Fig. 17, which illustrates such an action).
  • the heel-supporting portion 814 and the forefoot- supporting portion 816 are disposed in the foot-receiving chamber 206 of the combined upper and insole 400.
  • the heel-supporting portion 814 and the forefoot-supporting portion 816 Upon being disposed in the foot-receiving chamber 206, the heel-supporting portion 814 and the forefoot-supporting portion 816 unflex and are disposed proximate the insole 404 (that is, near the bottom of the foot-receiving chamber 206).
  • the insole 404 is secured to the upper surface 808 of the portion of the sole 802 via, for example, one or more adhesives and the like to form the completed article of footwear 200 (see Fig. 2).
  • the article of footwear 200 includes the combined upper and insole 400.
  • the combined upper and insole 400 includes the foot-receiving chamber 206 and the footbed-receiving opening 402.
  • the article of footwear 200 further includes the unitary combined sole and footbed 800.
  • the unitary combined sole and footbed 800 includes the portion of the sole 802, and a first portion of the footbed 810 (for example, the arch-supporting portion 812) connects to the portion of the sole 802.
  • Second and third portions of the footbed 810 (for example, the heel-supporting portion 814 and the forefoot- supporting portion 816) connect to the first portion of the footbed 810.
  • the second and third portions of the footbed 810 extend through the footbed-receiving opening 402 and are disposed within the foot-receiving chamber 206.
  • FIG. 18 illustrates an exemplary embodiment of a combined upper and insole 1800 and a unitary combined sole and footbed 1802 of such an article of footwear.
  • the combined upper and insole 1800 defines a footbed-receiving opening 1804 proximate the heel of the article of footwear.
  • the unitary combined sole and footbed 1802 includes a heel-supporting portion 1806 that connects to a portion of a sole 1808.
  • the heel-supporting portion 1806 also connects to an arch-supporting portion 1810, which in turn connects to a forefoot-supporting portion 1812.
  • Both the arch-supporting portion 1810 and the forefoot-supporting portion 1812 include a lower surface 1814 that is detached from the portion of the sole 1808.
  • both the arch-supporting portion 1810 and the forefoot-supporting portion 1812 pass through the footbed-receiving opening 1804 and are disposed in a foot-receiving chamber 1816 of the combined upper and insole 1800.
  • Fig. 19 illustrates a mold 1900 which may be used to form, for example, the combined sole and footbed 800 or 1802 described above.
  • the mold 1900 includes a first or top plate 1902 and a second or middle plate 1904 that define a first molding chamber 1906.
  • the first molding chamber 1906 receives a molten material (for example, a polymer, copolymer, or the like) via a first injection port 1908 to form, for example, the footbed 810.
  • the first molding chamber 1906 is also coupled to a vent 1910.
  • the mold 1900 further includes a third or lower plate 1912.
  • the third plate 1912 and the middle plate 1904 define a second molding chamber 1914.
  • the second molding chamber 1914 receives a molten material (for example, a polymer, copolymer, or the like) via a second injection port 1916 to form, for example, the portion of the sole 802. Further, the second molding chamber 1914 is coupled to the first molding chamber 1906 at an interface 1918 such that the molten materials contact each other and the portion of the sole 802 and the footbed 810 are unitarily formed. The second molding chamber 1914 is also coupled to the vent 1910.
  • a molten material for example, a polymer, copolymer, or the like
  • the materials may be polymers or copolymers having different colors, or the polymers or copolymers may form components having different mechanical characteristics, such as hardness, or the like.
  • the mold 1900 may also be used to form other portions of articles of footwear.
  • the mold 1900 may be used to form a sole 2002 of a sandal 2000.
  • a sole 2002 may include a polymer or copolymer midsole 2004 having a first hardness (for example, the midsole 2004 may be relatively soft) and a unitarily connected polymer or copolymer outsole 2006 having a second hardness (for example, the outsole 2006 may be relatively hard).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

La présente invention concerne un procédé de fabrication d'un article chaussant, qui consiste à fournir une tige et une semelle intérieure pour l'article chaussant, à relier la tige à la semelle intérieure afin de fournir une tige et une semelle intérieure combinée ayant une chambre de réception de pied et une ouverture de réception d'assise plantaire, à fournir une semelle unitaire combinée et une assise plantaire pour l'article chaussant, la semelle unitaire combinée et l'assise plantaire comprenant au moins une partie d'une semelle ayant une surface supérieure, une première partie d'une assise plantaire reliée à la partie de la semelle, et une seconde partie de l'assise plantaire reliée à la première partie de l'assise plantaire, la seconde partie de l'assise plantaire ayant une surface inférieure séparée de la surface supérieure de la partie de la semelle, à faire passer la seconde partie de l'assise plantaire par l'ouverture de réception d'assise plantaire et dans la chambre recevant l'assise plantaire, et à fixer la semelle intérieure à la partie de la semelle.
PCT/US2014/027825 2013-03-15 2014-03-14 Articles chaussants comprenant une semelle unitaire et des composants d'assise plantaire et leurs procédés de fabrication WO2014143738A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361791006P 2013-03-15 2013-03-15
US61/791,006 2013-03-15

Publications (2)

Publication Number Publication Date
WO2014143738A1 WO2014143738A1 (fr) 2014-09-18
WO2014143738A9 true WO2014143738A9 (fr) 2014-11-27

Family

ID=51520699

Family Applications (1)

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PCT/US2014/027825 WO2014143738A1 (fr) 2013-03-15 2014-03-14 Articles chaussants comprenant une semelle unitaire et des composants d'assise plantaire et leurs procédés de fabrication

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Country Link
US (1) US20140259741A1 (fr)
WO (1) WO2014143738A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE49309E1 (en) 2017-01-06 2022-11-29 Crocs, Inc. Footwear
US10842221B2 (en) * 2017-08-10 2020-11-24 Converse Inc. Method of forming a strobel

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1036999A (en) * 1911-09-25 1912-08-27 Arthur Hale Washable footwear with heels.
US1795222A (en) * 1930-06-24 1931-03-03 Lifschutz Henry Shoe
US1869410A (en) * 1930-09-30 1932-08-02 Irwin W David Footwear and method of making the same
US1924542A (en) * 1932-04-21 1933-08-29 Palter De Liso Inc Shoe and method of making same
US2329282A (en) * 1942-02-12 1943-09-14 Compo Shoe Machinery Corp Manufacture of footwear
US2434024A (en) * 1946-06-05 1948-01-06 Weber Shoe Company Shoe
US2896340A (en) * 1958-01-28 1959-07-28 B G S Shoe Corp Platform unit for shoes
JPS5014440A (fr) * 1973-06-08 1975-02-15
US4597125A (en) * 1982-06-01 1986-07-01 Wingspread Corporation Method of stiffening an insole during the cement lasting of footwear
GB2250465A (en) * 1991-01-30 1992-06-10 Chang Sui Moulding shoe soles
JP2988482B1 (ja) * 1999-02-02 1999-12-13 バレリアンシューズ株式会社 靴及びその製造方法
US6446360B1 (en) * 2001-04-09 2002-09-10 Rocky Shoes & Boots, Inc. Waterproof footwear liner and method of making the same
US6775930B2 (en) * 2003-01-28 2004-08-17 Rofu Design Key hole midsole
US7634831B2 (en) * 2004-06-04 2009-12-22 Nike, Inc. Footwear products, methods for making footwear products, and structures used in making footwear products
US20070107257A1 (en) * 2005-11-11 2007-05-17 Columbia Sportswear North America, Inc. Multi-material molded shell for footwear
US7797779B2 (en) * 2006-06-05 2010-09-21 Aerogroup International Holdings Llc Semi-bed shoe construction method and products produced by the same

Also Published As

Publication number Publication date
WO2014143738A1 (fr) 2014-09-18
US20140259741A1 (en) 2014-09-18

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