GB2277537A - Insole material for footwear - Google Patents

Insole material for footwear Download PDF

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Publication number
GB2277537A
GB2277537A GB9309092A GB9309092A GB2277537A GB 2277537 A GB2277537 A GB 2277537A GB 9309092 A GB9309092 A GB 9309092A GB 9309092 A GB9309092 A GB 9309092A GB 2277537 A GB2277537 A GB 2277537A
Authority
GB
United Kingdom
Prior art keywords
fibres
binder
weight
combined
insole
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Withdrawn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
GB9309092A
Other versions
GB9309092D0 (en
Inventor
Manfred Julius Hoereth
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.)
Noxet UK Ltd
Original Assignee
British United Shoe Machinery 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 British United Shoe Machinery Ltd filed Critical British United Shoe Machinery Ltd
Priority to GB9309092A priority Critical patent/GB2277537A/en
Publication of GB9309092D0 publication Critical patent/GB9309092D0/en
Publication of GB2277537A publication Critical patent/GB2277537A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • 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
    • B32B5/06—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 characterised by a fibrous or filamentary layer mechanically connected, e.g. by needling to another layer, e.g. of fibres, of paper
    • 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
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04—Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/045—Reinforcing macromolecular compounds with loose or coherent fibrous material with vegetable or animal fibrous material
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/425—Cellulose series
    • D04H1/4258—Regenerated cellulose series
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4266—Natural fibres not provided for in group D04H1/425
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/488—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation in combination with bonding agents
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/58—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives
    • D04H1/64—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by applying, incorporating or activating chemical or thermoplastic bonding agents, e.g. adhesives the bonding agent being applied in wet state, e.g. chemical agents in dispersions or solutions
    • D04H1/645—Impregnation followed by a solidification process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2007/00—Use of natural rubber as moulding material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0809—Fabrics
    • B29K2105/0845—Woven fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/16—Fillers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2311/00—Use of natural products or their composites, not provided for in groups B29K2201/00 - B29K2309/00, as reinforcement
    • B29K2311/10—Natural fibres, e.g. wool or cotton
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/48—Wearing apparel
    • B29L2031/50—Footwear, e.g. shoes or parts thereof
    • B29L2031/507—Insoles
    • 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
    • C08J2307/00—Characterised by the use of natural rubber

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

An insole material comprises natural renewable components, viz. a jute weave to which natural fibres, e.g. of viscose, cotton or wool or any combination thereof, are mechanically combined, e.g. by needling. The combined material is then impregnated with a binder comprising natural rubber latex and a vulcanising agent (and optionally with a mineral filler such as clay or chalk) and the impregnated material is then hot-vulcanised.

Description

INSOLE MATERIAL This invention is concerned with insole material comprising a reinforcing woven layer into which fibres have been combined by a non-woven technique, the combined material then having been impregnated with a binder.
One such material is commercially available under the designation T33, manufactured and supplied by the Applicant, this material comprising a reinforcing layer of woven polypropylene into which polyester fibres have been combined by a non-woven technique, e.g.
needling, the combined material thereafter having been impregnated with a binder comprising styrene-butadiene rubber and a filler. This insole material, furthermore, is considered very suitable for use as a so-called Strobel insole, i.e. an insole to which a shoe upper is stitched about the periphery of the insole, whereafter a last is force-fitted (in a so-called force-lasting procedure), whereafter a shoe bottom can be applied, e.g.
by an injection moulding technique. For use as a Strobel insole, it will be appreciated, the insole material must have high tensile strength, low elongation and good stitch retention. By providing a polypropylene layer which is woven, the desired level of stitch retention can readily be achieved, and the woven material also contributes significantly to the low elongation of the product, while the overall combination of weave, fibres and binder gives the desired tensile strength.
The material just described has proved to be very satisfactory as a Strobel insole material, but, it will be appreciated, is constituted almost entirely of plastics material, which are not on the one hand readily recyclable and on the other hand are not degradable; furthermore, they tend to be based upon non-renewable raw materials and thus are not now considered to be environmentally friendly.
It is thus one of the objects of the present invention to provide an improved insole material which, while exhibiting similar qualities to the known material so far as concerns tensile strength, elongation and stitch retention, nevertheless is generally considered to be more environmentally friendly.
With this object in mind, therefore, in accordance with the invention, in an insole material as referred to in the first paragraph above, the reinforcing layer is a jute weave, the fibres are natural fibres and the binder comprises a natural rubber which has been hotvulcanised after impregnation, and wherein the jute weave constitutes 25 to 35% of the total weight of the material, the fibres 20 to 35% of said weight and the binder the remainder of said weight.
A material constituted of natural fibres has the advantage that it does not soften, shrink or deform when exposed to heat unlike materials constituted almost entirely of plastics fibres.
In a preferred embodiment of the invention the fibres are viscose, but cotton or wool fibres or indeed any combination of viscose, cotton and wool may also be used. Whichever fibre or combination of fibres is used in said embodiment, preferably the fibres have a d/Tex of 3.3 and an average length of 40mm.
The jute weave preferably has a 5/5 linen construction; it has been found that this is particularly suitable for ensuring low elongation and good stitch retention.
The binder may be constituted by 100% natural rubber, but preferably it includes up to 50% by total binder weight of mineral filler, e.g. clay, chalk and the like.
The invention also provides a method of making an insole material comprising combining by a non-woven technique a jute weave with a quantity of natural fibre, impregnating the combined material with a binder comprising a natural rubber latex and a vulcanising agent, and causing the latex to be hot-vulcanised.
In carrying out such a method, preferably vulcanisation is achieved after drying by heating the material to about 1500C for a period of 2i to 5 minutes.
In one particular method in accordance with the invention, a jute web having a 5/5 linen construction and a weight of 150 to 400g/m2, is mechanically combined, e.g. by needling, with a layer or layers of viscose 2 fibres having a weight of 150 to 500g/m , and the combined material is then impregnated with a binder comprising a natural rubber latex, the binder having a 2 dry weight of 200 to 600g/m2.
It will of course be appreciated that the foregoing covers a wide range of weights of material and indeed thicknesses. There now follows therefore one Example of a material in accordance with the invention and a method of making it: EXAMPLE: A jute web having a 5/5 linen construction and 2 a weight of 270g/m2 was mechanically combined, using a needling process, with a layer of viscose fibres having a weight of 250g/m2. The fibres had a 3.3 d/Tex and an average length of 40mm. The combined material was then impregnated with a binder comprising natural rubber latex and a vulcanising agent, the binder having a dry weight in the order of 350g/m2. In this case the binder comprised natural rubber latex and a mineral filler in equal proportions by weight. The impregnated material was then subjected to, after drying, a vulcanising process in which the material was passed through a curing oven maintained at a temperature of about 150 0C, the material remaining in the oven for a period of 3.5 minutes.

Claims (8)

Claims:
1. Insole material comprising a reinforcing woven layer into which fibres have been combined by a non-woven technique the combined material having been impregnated with a binder, wherein the reinforced layer is a jute weave, the fibres are natural fibres and the binder comprises a natural rubber which has been hot-vulcanised after impregnation, and wherein the jute weave constitutes 25% to 35% of the total weight of the material, the fibres 20% to 35% of said weight and the binder the remainder of said weight.
2. Material according to Claim 1 wherein the fibres are viscose, cotton or wool or any combination thereof.
3. Material according to Claim 1 or Claim 2 wherein the jute weave has a 5/5 linen construction.
4. Material according to any one of the preceding Claims wherein the fibres used have a decitex of 3.3 and an average length of 40mm.
5. Material according to any one of the preceding Claims wherein the binder also includes up to 50% by total binder weight of mineral filler.
6. Method of making an insole material comprising combining by a non-woven technique a jute weave with a quantity of natural fibres, impregnating the combined material with a binder comprising a natural rubber latex and a vulcanising agent, causing the latex to be hot-vulcanised.
7. Method according to Claim 6 wherein vulcanisation is achieved after drying by heating the material to about 1500C for a period of 2+ to 5 minutes.
8. Method according to Claim 6 or Claim 7 wherein the jute weave has a 5/5 linen construction and a weight of 150 to 400g/m2, and is mechanically combined with a layer or layers of viscose fibres having a decitex of 3.3 and an average length of 40mm, and the layers 2 having a weight of 150 to 500g/m2, and the binder has a dry weight of 200 to 600 g/m2.
GB9309092A 1993-05-01 1993-05-01 Insole material for footwear Withdrawn GB2277537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9309092A GB2277537A (en) 1993-05-01 1993-05-01 Insole material for footwear

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9309092A GB2277537A (en) 1993-05-01 1993-05-01 Insole material for footwear

Publications (2)

Publication Number Publication Date
GB9309092D0 GB9309092D0 (en) 1993-06-16
GB2277537A true GB2277537A (en) 1994-11-02

Family

ID=10734849

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9309092A Withdrawn GB2277537A (en) 1993-05-01 1993-05-01 Insole material for footwear

Country Status (1)

Country Link
GB (1) GB2277537A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018691A2 (en) * 2000-08-28 2002-03-07 Mani Shankar Almal Jute/cotton composites for use in the manufacture of footwear components and method of manufacture of such composites
WO2007025782A1 (en) * 2005-09-02 2007-03-08 Joris Van Raemdonck Method for preparing thermosetting or thermoplastic polymer or elastomer composites that are reinforced with natural fibers, and their multiple applications as construction material

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529969A (en) * 1976-07-27 1978-10-25 Ass Paper Ind Ltd Insoles
US4603075A (en) * 1984-04-10 1986-07-29 Texon, Inc. Insole composites and processes for manufacturing insole composites and footwear materials

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1529969A (en) * 1976-07-27 1978-10-25 Ass Paper Ind Ltd Insoles
US4603075A (en) * 1984-04-10 1986-07-29 Texon, Inc. Insole composites and processes for manufacturing insole composites and footwear materials

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002018691A2 (en) * 2000-08-28 2002-03-07 Mani Shankar Almal Jute/cotton composites for use in the manufacture of footwear components and method of manufacture of such composites
WO2002018691A3 (en) * 2000-08-28 2002-07-04 Mani Shankar Almal Jute/cotton composites for use in the manufacture of footwear components and method of manufacture of such composites
WO2007025782A1 (en) * 2005-09-02 2007-03-08 Joris Van Raemdonck Method for preparing thermosetting or thermoplastic polymer or elastomer composites that are reinforced with natural fibers, and their multiple applications as construction material
US8080288B2 (en) 2005-09-02 2011-12-20 Lineo Nv Method for preparing thermosetting or thermoplastic polymer or elastomer composites that are reinforced with natural fibers, and their multiple applications as construction material

Also Published As

Publication number Publication date
GB9309092D0 (en) 1993-06-16

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