Pile product molded of ethylene/vinyl acetate copolymer

Details Pile product molded of ethylene/vinyl acetate copolymer Pile product molded of ethylene/vinyl acetate copolymer

1978-02-10

1978-10-03

McCamish, Marion E.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular shape or structure of pile

428 95, 428 97, B32B 3300

Patent

active

041185307

ABSTRACT:
A pile product defined by a plurality of fibers which may extend from a base, the fibers being formed of a polymeric material of at least 90% by weight ethylene vinyl acetate copolymer (EVA). The pile product is formed by molding the heat softened copolymer in a mold defined by a plurality of small cross section, elongated cavities having a relatively large aspect ratio. Upon completion of the molding operation, the fibers are cooled and withdrawn from the mold cavities substantially without breakage or elongation of the fibers to provide an improved pile product. The withdrawn pile product may be further treated to effect cross linking of the polymeric material for further improved characteristics of the final product.

REFERENCES:
patent: 3390403 (1968-06-01), Van Tilberg
patent: 3600260 (1971-08-01), Watanabe
patent: 3987228 (1976-10-01), Hemmings

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