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Flexible-composite-laminate-of-woven-fabric-and-thermoplastic-material-and-method-of-making-said-laminate

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Flexible composite laminate of woven fabric and thermoplastic material and method of making said laminate

Details

Inventors: Foti, Anthony J.;
Assignee: The Goodyear Tire & Rubber Company (Akron, OH)
Primary Examiner: Bell; James J.
Assistant Examiner:
Attorney, Agent or Firm: Germain; L. A.

A composite laminate of relatively light to medium gauge and a method of making the laminate. The laminate comprises a hot melt type thermoplastic material and a textile woven fabric material formed of spun yarns constructed primarily of staple fibers. The thermoplastic material covers and is bonded to at least one face of the fabric and penetrates into the interstices thereof a maximum of from about 15% to about 75% but does not penetrate a substantial amount into the yarn structure itself thereby permitting an optimum amount of flexibility of the laminate. The laminates of the invention are particularly useful as conveyor belts or slings for vehicle tires.

DETAILED DESCRIPTION What is claimed is: 1.
A composite laminated web of relatively light to medium gauge of from about 0.
076mm to about 0.
370mm (0.
30 inches to 0.
145 inches) comprised of a hot melt type thermoplastic material and a closely woven textile fabric material formed of spun yarns constructed primarily of staple polyester fibers wherein the thermoplastic material covers and is bonded to at least one face of said fabric by adhesion of the thermoplastic to minute fibrils of the spun polyester yarn and penetrates into the interstices thereof a maximum of from about 15% to about 75% but does not penetrate a substantial amount to strike through the yarn structure thereof thereby permitting an optimum amount of flexibility of said web.
2.
The composite laminated web as claimed in claim 1 wherein said thermoplastic material is comprised of thermoplastic polymers selected from the group consisting of polyethylene, chlorinated polyethylene, polypropylene and vinyl polymers.
3.
The composite laminated web as claimed in claim 1 wherein said textile fabric material comprises spun polyester in combination with material selected from the group consisting of cotton, nylon, aramide, rayon, and glass or combinations thereof.
4.
The composite laminated web as claimed in claim 2 wherein said thermoplastic polymer is polyethylene.
5.
The composite laminated web as claimed in claim 4 wherein said textile fabric material comprises a combination of spun polyester and nylon.
6.
The composite laminated web as claimed in claim 1 comprised of a plurality of layers of fabric and wherein said thermoplastic material is disposed between any two layers of said fabric material.
7.
The composite laminated web as claimed in claim 1 wherein said thermoplastic material covers each opposite face of said fabric and penetrates into the interstices of each said opposite face a maximum of from about 20% to about 30%.
8.
The composite laminate as claimed in claim 7 wherein said thermoplastic material penetrates into the interstices of said fabric a maximum of from about 30% to about 50%

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