Patent ID: 8435630
Filing Date: 2013-05-07
Classification: B29C,B29K,B30B,B32B,C08J,D02G,D03D,H05K,Y10T

Abstract:
1. A cushioning pad, in the form of a flat plate and having sufficient in-plane uniformity, heat transfer, dimensional stability, and durability to hot press a plate-shaped laminate by being interposed between the plate-shaped laminate and a heating platen, the cushioning pad comprising: a fiber-rubber composite material layer formed by a woven fabric and a rubber impregnated in said woven fabric, wherein said woven fabric comprising a texturized yarn made of glass fibers as at least one of warp and weft, said fiber-rubber composite material layer has voids inside, said texturized yarn has a large occupied area in which short fibers forming the glass yarn are not in parallel with each other but are tangled, and are arranged in a disordered state, a volume ratio of said rubber to fibers of said woven fabric in said fiber-rubber composite material layer is 5 to 50%, and wherein a void ratio of said fiber-rubber composite material layer is 20 to 65%, and wherein the voids are not completely filled and blocked by the rubber.