GB2311035A - Material for footwear upper - Google Patents

Material for footwear upper Download PDF

Info

Publication number
GB2311035A
GB2311035A GB9605174A GB9605174A GB2311035A GB 2311035 A GB2311035 A GB 2311035A GB 9605174 A GB9605174 A GB 9605174A GB 9605174 A GB9605174 A GB 9605174A GB 2311035 A GB2311035 A GB 2311035A
Authority
GB
United Kingdom
Prior art keywords
elasticized
footwear upper
footwear
layer
artificial leather
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.)
Withdrawn
Application number
GB9605174A
Other versions
GB9605174D0 (en
Inventor
Graham Stevens
Michael Law
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.)
FII FOOTWEAR MANAGEMENT Ltd
Original Assignee
FII FOOTWEAR MANAGEMENT Ltd
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 FII FOOTWEAR MANAGEMENT Ltd filed Critical FII FOOTWEAR MANAGEMENT Ltd
Priority to GB9605174A priority Critical patent/GB2311035A/en
Publication of GB9605174D0 publication Critical patent/GB9605174D0/en
Publication of GB2311035A publication Critical patent/GB2311035A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/28—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer comprising a deformed thin sheet, i.e. the layer having its entire thickness deformed out of the plane, e.g. corrugated, crumpled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0276—Polyester fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0292—Polyurethane fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2437/00—Clothing
    • B32B2437/02—Gloves, shoes

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Laminated Bodies (AREA)
  • Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)

Abstract

A material for a footwear upper comprises a layer of artificial leather (1) and a layer of elasticized material (2). The two layers are joined together by gluing. The elasticized layer provides improved flexibility and mouldability of the footwear material. The elasticized layer can be selectively provided in regions of the footwear upper where flexibility and mouldability characteristics are required. The elasticized material may contain LYCRA (RTM). A lining material (3) may be attached and foam may be present between layers (2) and (3).

Description

MATERIAL FOR FOOTWEAR UPPER The present invention relates to a material to be a part of the upper of footwear, and more particular to such a footwear upper material which is not made from natural leather.
Natural leather has the ability to breathe, that is to say, it has a degree of permeability allowing the passage of air and water vapour therethrough. Yet, at the same time, natural leather exhibits resistance to passage of water therethrough. In addition, natural leather has a pleasing look and feel, which look and feel can be changed by differing treatments to enable a variety of uses. Part of the variety of such uses also stems from the inherent flexibility and mouldable nature of natural leather. In particular, natural leather is an ideal material for the upper of footwear. Thus, natural leather is a very versatile material and is used to make many different products.
However, there is always a desire to reduce such product costs and an intrinsic cost arises from the natural leather itself. Accordingsly, artificial leathers have been developed which are generally cheaper than natural leather.
One example of artificial leather comprises a lightweight coagulate material which can be used as a footwear upper material. The lightweight coagulate material is an artificial leather material which is made by coating a woven support material, in the form of a web of woven polyester or the like, with polyurethane or the like by means of a coagulation process. In the process, the polyester web is passed through a bath of polyurethane dissolved in its solvent so that polyurethane coagulates onto the web. The polyurethane is subsequently hardened. The result is an open structure which can breathe in a similar manner to natural leather. An example of such a material is CORFAM (trade mark) produced by Du Pont.
This artificial leather material can be treated to give it the appearance of different types of leather. For example, it can be coloured, abraded to create a suede effect, embossed or printed on.
Whilst the above artificial leather has many advantages, it has not been found to be as flexible and mouldable as natural leather. This is particularly disadvantageous when the artificial leather is to be used as a footwear upper material.
EP-A-0 507 748 proposed to improve on the existing above described lightweight coagulate material by making it more elastic by using a particular form of woven support material.
The woven support material comprises a cotton or cottonlpolyester warp with the weft threads formed from a special elasticized yarn produced using elastomeric fibres.
An example of the weft threads is LYCRA (Registered Trade Mark) produced by Du Pont.
However, artificial leather in the form of the elasticized lightweight coagulate material is relatively more expensive than the non-elasticized material because of the need to use a support material having a specialised weave, and because of the need to employ a unique elasticized yarn, otherwise correct coagulation may not occur. Thus, in the production of footwear using artificial leather, the relatively increased cost of upper material in the form of elasticized lightweight coagulate material passes through to increase the cost of the manufacturing footwear.
In addition, it has been noted by the present Applicant that the characteristics of inherent flexibility and mouldable nature for natural leather are in fact only required in certain portions of footwear. Thus, the self same characteristics provided by the elasticized lightweight coagulate material at the remaining portions of the footwear, at the relatively increased cost, are in fact wasted.
It is therefore an object of the present invention to provide an improved footwear upper material which uses an artificial leather.
According to the present invention there is provided footwear upper material comprising a layer of artificial leather material having an elasticized material adhered to one surface thereof.
In this way, elasticized material can be selectively provided at those regions of the footwear at which the characteristics of inherent flexibility and mouldable nature are required. Accordingly, the advantages of retaining shape can still be maintained whilst optimising the areas at which the improved upper material is used. Thus, the costs associated with using the footwear upper material of the present invention are not unduly increased in comparison with known artificial leathers. In addition, the footwear upper material of the present invention can be produced without significantly increased costs since a standard readily available weave of elasticized material can be used and the material is easily and simply made. Moreover, since the footwear upper material of the invention comprises the layer of artificial leather material and elasticized material, it is strong whilst retaining the comfort and softness characteristics provided by the elasticized material.
Preferably, the elasticized material is adhered to said one surface of artificial leather material by gluing.
This makes for a simple and cost effective production of the footwear upper material.
A particularly convenient and cost effective form of the invention is provided by the elasticized material being adhered to said one surface of artificial leather material by a scatter coating of adhesive.
It is preferred that the artificial leather comprises a woven support material onto which a synthetic polymer is coagulated.
The surface of such an artificial leather is readily adaptable to producing a number of different and good quality finishes.
Preferably, said elasticized material incorporates LYCRA.
LYCRA is particularly suitable since it gives extra comfort, enhances fit, and recovers to its natural shape thereby helping the footwear to retain its original shape.
An elasticized material comprising a polyester LYCRA mix has been found to be particular cost effective and easy to use.
In one case, said elasticized material comprises in the region of 16% LYCRA.
In one embodiment, the footwear upper material incorporates a lining layer with the elasticized material sandwiched between the lining layer and the artificial leather material.
This further improves the strength of the footwear upper material whilst enhancing the appearance.
An example of the present invention will now be described with reference to the accompanying figure which illustrates a footwear upper material embodying the present invention.
Referring to the drawing, a composite footwear upper material 5 is made from a layer 1 which comprises a known lightweight polyurethane coagulate, for example CORFAM. This typically has a thickness of 0.8 mm. A layer 2 comprises a standard weave material of 84% polyester and 16% LYCRA. This typically has a thickness of 0.2 mm. A scatter coat adhesive is sprayed onto layer 1 and layer 2 is placed on layer 2 to be adhered thereto. It will be appreciated that other ways of adhering layers 1 and 2 can be employed.
In a preferred embodiment, a layer 3 comprises a cotton rich lining material. This typically has a thickness of 1.0 mm. Layer 3 is adhered to layer 2 also by means of a scatter coat adhesive. A layer of foam (not shown) may be adhered between layers 2 and 3. An upper surface 4 (as illustrated) of the composite material 5 can be treated in known manner to give it the appearance of different types of leather. For example, it can be coloured, abraded to create a suede effect, embossed or printed on.
Thus, a footwear upper material having an artificial leather surface can be easily produced. Furthermore, the cost is not substantially increased in comparison with known artificial leathers partly due to the simplicity of production and partly since layer 1 is a cheaply available artificial leather and layer 2 is a standard readily available woven material. The layer 2 also assists the final footwear to retains its shape. Moreover, the multi-layer nature of the composite material 5 provides a strong upper material whilst retaining the comfort and softness characteristics which are provided by the layer 2. In addition, the layer 2 can be adhered in specified portions only of the footwear where the particular characteristics of inherent flexibility and mouldable nature are required. This further reduces the costs associated with the upper material of the present invention.
It will be understood that the embodiment illustrated shows an application of the invention in one form only for the purposes of illustration. In practice the invention may be applied to many different configurations, the detailed embodiments being straightforward for those skilled in the art to implement.

Claims (10)

1. Footwear upper material comprising a layer of artificial leather material having an elasticized material adhered to one surface thereof.
2. Footwear upper material according to claim 1 wherein the elasticized material is adhered to said one surface of artificial leather material by gluing.
3. Footwear upper material according to claim 1 wherein the elasticized material is adhered to said one surface of artificial leather material by a scatter coating of adhesive.
4. Footwear upper material according to any preceding claim wherein the artificial leather comprises a woven support material onto which a synthetic polymer is coagulated.
5. Footwear upper material according to any preceding claim wherein said elasticized material incorporates LYCRA.
6. Footwear upper material according to claim 5 wherein said elasticized material comprises a polyester LYCRA mix.
7. Footwear upper material according to claim 5 or 6 wherein said elasticized material comprises in the region of 16% LYCRA.
8. Footwear upper material according to any preceding claim incorporating a lining layer with the elasticized material sandwiched between the lining layer and the artificial leather material.
9. A footwear item having at least part of an upper thereof made from footwear upper material according to any preceding claim.
10. Footwear upper material substantially as herein described with reference to the accompanying drawing.
GB9605174A 1996-03-12 1996-03-12 Material for footwear upper Withdrawn GB2311035A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9605174A GB2311035A (en) 1996-03-12 1996-03-12 Material for footwear upper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9605174A GB2311035A (en) 1996-03-12 1996-03-12 Material for footwear upper

Publications (2)

Publication Number Publication Date
GB9605174D0 GB9605174D0 (en) 1996-05-15
GB2311035A true GB2311035A (en) 1997-09-17

Family

ID=10790237

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9605174A Withdrawn GB2311035A (en) 1996-03-12 1996-03-12 Material for footwear upper

Country Status (1)

Country Link
GB (1) GB2311035A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311250B (en) * 1996-03-18 2000-03-22 Pittards Plc Leather laminates
JP2012239526A (en) * 2011-05-17 2012-12-10 Toho Boeki Kk Artificial leather shoe

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB946069A (en) * 1958-03-25 1964-01-08 Du Pont Improvements in the production of porous articles and coatings
GB1016554A (en) * 1963-08-01 1966-01-12 Barker And Sons Ltd A Improvements in or relating to articles of footwear
GB1117233A (en) * 1964-08-15 1968-06-19 Bury & Masco Ind Needleloom fabrics
GB1223285A (en) * 1967-08-29 1971-02-24 Onitsuka Co Improvements in shoes
EP0507748A1 (en) * 1991-04-05 1992-10-07 Man Made S.R.L. Elasticized artificial leather

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB946069A (en) * 1958-03-25 1964-01-08 Du Pont Improvements in the production of porous articles and coatings
GB1016554A (en) * 1963-08-01 1966-01-12 Barker And Sons Ltd A Improvements in or relating to articles of footwear
GB1117233A (en) * 1964-08-15 1968-06-19 Bury & Masco Ind Needleloom fabrics
GB1223285A (en) * 1967-08-29 1971-02-24 Onitsuka Co Improvements in shoes
EP0507748A1 (en) * 1991-04-05 1992-10-07 Man Made S.R.L. Elasticized artificial leather

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2311250B (en) * 1996-03-18 2000-03-22 Pittards Plc Leather laminates
JP2012239526A (en) * 2011-05-17 2012-12-10 Toho Boeki Kk Artificial leather shoe

Also Published As

Publication number Publication date
GB9605174D0 (en) 1996-05-15

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Legal Events

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WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)