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US20040084562A1 - Device for unrolling a coil of material in sheet form - Google Patents

Device for unrolling a coil of material in sheet form Download PDF

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Publication number
US20040084562A1
US20040084562A1 US10/627,600 US62760003A US2004084562A1 US 20040084562 A1 US20040084562 A1 US 20040084562A1 US 62760003 A US62760003 A US 62760003A US 2004084562 A1 US2004084562 A1 US 2004084562A1
Authority
US
United States
Prior art keywords
coil
series
roller members
sheet form
feed
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
US10/627,600
Other languages
English (en)
Inventor
Abram Fransen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GKN Fokker Aerospace BV
Original Assignee
Individual
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 Individual filed Critical Individual
Assigned to STORK FOKKER AESP B.V. reassignment STORK FOKKER AESP B.V. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: FRANSEN, ABRAM PAULUS JOHANNES
Publication of US20040084562A1 publication Critical patent/US20040084562A1/en
Abandoned legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/16—Unwinding or uncoiling
    • B21C47/22—Unwinding coils without reels or drums

Definitions

  • the invention relates to a device for unrolling an elastic material in sheet form from a roll.
  • the material concerned is material that has been wound on the roll under flexural pretension and consequently tries to return to the extended state from the rolled-up state.
  • An example of such a material which may be mentioned is sheet metal, in particular sheet aluminium such as is used for the production of skin panels in aviation and aerospace.
  • the sheet aluminium can be used to make a laminate of various aluminium layers that are joined to one another by an adhesive fibre matrix material.
  • Such laminates have a low weight in combination with excellent mechanical properties, such as high rigidity and strength, excellent fatigue characteristics and a high nick resistance to cracking.
  • Such laminates are usually made up of several layers.
  • fairly thin sheet aluminium has to be used, for example with a thickness of between 0.2 and 0.5 mm.
  • Such thin aluminium sheets are difficult to handle, also because of the highly elastic nature thereof that has been indicated above.
  • the aluminium sheet must not be damaged during processing. Any damage would have a severe adverse effect on the fatigue characteristics. This is unacceptable, especially in the case of applications in aviation and aerospace.
  • the aim of the invention is, therefore, to offer a solution to the problems that arise when handling thin sheets of material.
  • This aim is realised with a device for unrolling an elastic material in sheet form from a coil, comprising a frame having an accommodation for said coil and a series of roller members, the axes of which are essentially parallel, said series of roller members is arranged in accordance with a curved path that adjoins an out-feed such that the coil can be supported by the series of roller members and the material in sheet form can be unrolled from the coil via the out-feed, the length of each rolling member being at least smaller than half of the width of said accommodation for said coil and successive rollers are offset with respect to one another in the direction of their axis and overlap one another at least partially transversely to their axis.
  • the device is in particular suited for handling of relatively thin wide elastic material in sheet form.
  • the thickness is for example between 0.1 and 1.0 mm more preferable between 0.2 and 0.6 mm.
  • the width can be between 0.3 and 2 m, although larger widths are possible.
  • the length of the coiled material can vary from several meters to many dozens of meters.
  • the coil of elastic material in sheet form can be placed in the device according to the invention while still in the restrained state. Restraint of the coil can then be released, which has the result that the material in sheet form starts to unroll under the influence of its pretension. However, this unrolling process is arrested as soon as the material in sheet form makes contact with the roller members. Unrolling then ceases, after which the material is ready to be fed out in a controlled manner via the out-feed. As a consequence of feeding out, the material unrolls ever further, during which operation said material is supported by the co-rotating roller members in a stable manner. During this operation the material is preferably fed out directly onto a table for further processing of the material.
  • the curved path defined by the roller members preferably extends over more than 180 degrees.
  • the series of roller members can comprise at least two sections which can be moved relative to one another between a position in which the series is regularly curved and a position in which the sections are a relatively large distance apart for inserting a coil between those sections. In this case one section of the series is fixed with respect to the frame and another section is movable.
  • the series of roller members can thus be opened in order to place the coil of material in sheet form in the device; the device can then be closed so as to support the coil all round. The best guiding of the roll of material in sheet form is obtained if the series of roller members is arranged in accordance with a curvature of essentially 360 degrees.
  • the out-feed is defined between two successive roller members of the series which have a centre-to-centre distance that is greater than the spacing between the other roller members. Furthermore, the out-feed can have a set of roller members positioned in accordance with a straight path, which set adjoins the curved series.
  • the roller members can be constructed in a wide variety of different ways.
  • they can comprise a roller that is supported in the frame by means of a suitable bearing such that it is able to rotate.
  • a suitable bearing such that it is able to rotate.
  • full support is obtained.
  • three, four or more rollers are positioned adjacent to each other, i.e. the length of each roller or roller member is a third, a quarter or less from the “width” of the accommodation for the roller.
  • the invention also relates to a method for uncoiling of an elastic material in sheet form from a coil, comprising positioning of said coil in an accommodation of a device and exerting a cooling force on the free extremity of said coil, wherein said coil is supported by a series of rolling members engaging to the circumference of said coil over at least 180° of the circumference of said coil on each point of said coil. If successive rollers are offset with respect to one another in the direction of their axis, the rollers can overlap one another transversely to their axis. With this embodiment excellent guiding of the roll is obtained because the spacing between the mutually offset rollers is relatively small.
  • FIG. 1 shows the principle of the device according to the invention.
  • FIG. 2 shows a side view of a practical embodiment in the closed position.
  • FIG. 3 shows a section according to III-III in FIG. 2.
  • the device according to the invention shown diagrammatically in FIG. 1 comprises a frame 1 in which a series 2 consisting of roller members 3 is accommodated.
  • the series 2 has a virtually completely circular shape that is interrupted only at the location of the out-feed 4 .
  • This out-feed 4 opens onto a number of roller members positioned in accordance with a straight path 5 .
  • the series 2 comprises two sections 6 , 7 that are joined to one another via a hinge 8 .
  • the section 6 can consequently, as is indicated by broken lines, be moved upwardly with respect to the second, fixed section 7 of the series 2 .
  • a coil 9 of elastic material in sheet form can be placed in contact with the second part 7 of the series 2 .
  • the first section 6 of the series 2 is then pivoted back, as a result of which the position indicated by continuous lines is reached.
  • FIG. 1 only shows the principle of the device according to the invention.
  • FIGS. 2 and 3 A further developed illustrative embodiment of the device is shown in FIGS. 2 and 3.
  • This device comprises the components already shown with reference to FIG. 1, such as a first section 6 , which is able to hinge, of the series 2 and a second, fixed section 7 of the series 2 . These sections are accommodated on a frame part 11 that is joined by means of hinge 12 to a fixed frame part 13 .
  • the roller members 3 are constructed as rollers 14 , each of which is accommodated on an axle 15 .
  • Each axle 15 carries two such rollers 14 , which are positioned offset with respect to the rollers 14 of the adjacent axles 15 .
  • the rollers 14 are consequently able to overlap one another to some extent in the peripheral direction of the series 2 , as a result of which very good support of the coil 9 to be processed is ensured. This is particularly true for uncoiling the last turn of a coil. More particularly the extreme edge of the coil material is accurately guided along overlapping rollers. Because of that damage of this extreme portion is prevented and can have its proper use.
  • metals from which the sheet material can be made Al, Ti, Sc, Cu, Mg and Li.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Replacement Of Web Rolls (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Straightening Metal Sheet-Like Bodies (AREA)
US10/627,600 2002-07-26 2003-07-28 Device for unrolling a coil of material in sheet form Abandoned US20040084562A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1021166 2002-07-26
NL1021166A NL1021166C2 (nl) 2002-07-26 2002-07-26 Inrichting en werkwijze voor het afrollen van een rol plaatvormig materiaal.

Publications (1)

Publication Number Publication Date
US20040084562A1 true US20040084562A1 (en) 2004-05-06

Family

ID=29997590

Family Applications (1)

Application Number Title Priority Date Filing Date
US10/627,600 Abandoned US20040084562A1 (en) 2002-07-26 2003-07-28 Device for unrolling a coil of material in sheet form

Country Status (4)

Country Link
US (1) US20040084562A1 (ja)
EP (1) EP1384532A1 (ja)
JP (1) JP2004122232A (ja)
NL (1) NL1021166C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080245894A1 (en) * 2006-07-27 2008-10-09 Ossian, Inc. Liquid spraying apparatus

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1729955A (en) * 1926-02-27 1929-10-01 Matthaei Curt Apparatus for unwinding coiled wire, band iron, and the like
US1816385A (en) * 1929-02-22 1931-07-28 Matthaei Curt Device for unwinding coiled wires, band iron and the like
US2526010A (en) * 1947-08-23 1950-10-17 United Eng Foundry Co Strip coiling apparatus
US3054382A (en) * 1960-01-12 1962-09-18 Anaconda Wire & Cable Co Apparatus for impregnating cables
US3643885A (en) * 1969-12-01 1972-02-22 Functional Systems Corp Carpet supply cradle and feeder mechanism for a carpet measuring and cutting machine
US3671033A (en) * 1970-11-23 1972-06-20 Coast Machinery Inc Machine and method for folding plastic bags and the like
US4206885A (en) * 1979-07-02 1980-06-10 Salvino Lawrence P Portable device for supporting a roll of sheeting for dispensing
US4211374A (en) * 1979-03-01 1980-07-08 Salvino Lawrence P Portable device for supporting a roll of aluminum sheeting for dispensing
US4246817A (en) * 1979-03-28 1981-01-27 Tapco Products Company, Inc. Stand for dispensing rolled sheet stock
US4445356A (en) * 1982-02-26 1984-05-01 Tapco Products Company, Inc. Combined portable sheet bending brake and coil holder
US4592518A (en) * 1982-02-26 1986-06-03 Tapco Products Company, Inc. Coil holder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE445491C (de) * 1926-02-28 1927-06-09 Matthaei Fa C Abwickelvorrichtung fuer Bandeisen- und Drahtringe
DE652421C (de) * 1935-11-03 1938-01-11 Signode System G M B H Abrollvorrichtung fuer bandartiges Walzgut
GB9715358D0 (en) * 1997-07-21 1997-09-24 Kvaerner Clecim Cont Casting Method of shearing and guiding metal strip and apparatus therefor

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1729955A (en) * 1926-02-27 1929-10-01 Matthaei Curt Apparatus for unwinding coiled wire, band iron, and the like
US1816385A (en) * 1929-02-22 1931-07-28 Matthaei Curt Device for unwinding coiled wires, band iron and the like
US2526010A (en) * 1947-08-23 1950-10-17 United Eng Foundry Co Strip coiling apparatus
US3054382A (en) * 1960-01-12 1962-09-18 Anaconda Wire & Cable Co Apparatus for impregnating cables
US3643885A (en) * 1969-12-01 1972-02-22 Functional Systems Corp Carpet supply cradle and feeder mechanism for a carpet measuring and cutting machine
US3671033A (en) * 1970-11-23 1972-06-20 Coast Machinery Inc Machine and method for folding plastic bags and the like
US4211374A (en) * 1979-03-01 1980-07-08 Salvino Lawrence P Portable device for supporting a roll of aluminum sheeting for dispensing
US4246817A (en) * 1979-03-28 1981-01-27 Tapco Products Company, Inc. Stand for dispensing rolled sheet stock
US4206885A (en) * 1979-07-02 1980-06-10 Salvino Lawrence P Portable device for supporting a roll of sheeting for dispensing
US4445356A (en) * 1982-02-26 1984-05-01 Tapco Products Company, Inc. Combined portable sheet bending brake and coil holder
US4592518A (en) * 1982-02-26 1986-06-03 Tapco Products Company, Inc. Coil holder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080245894A1 (en) * 2006-07-27 2008-10-09 Ossian, Inc. Liquid spraying apparatus

Also Published As

Publication number Publication date
EP1384532A1 (en) 2004-01-28
JP2004122232A (ja) 2004-04-22
NL1021166C2 (nl) 2004-01-27

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Legal Events

Date Code Title Description
AS Assignment

Owner name: STORK FOKKER AESP B.V., NETHERLANDS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:FRANSEN, ABRAM PAULUS JOHANNES;REEL/FRAME:013929/0701

Effective date: 20030731

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION