Polyurethane cushion material and preparing the same

Details Polyurethane cushion material and preparing the same Polyurethane cushion material and preparing the same

1978-04-05

1981-05-26

Van Balen, William J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

428310, 428362, 428371, 428401, B32B 326, B32B 520

Patent

active

042698898

ABSTRACT:
A polyurethane cushion material comprising incorporating a large denier of a fiber filament in a foamed polyurethane, and it is produced by crimping the fiber filament, setting it under heating, producing a staple fiber, filling the staple fiber thus formed with a polyurethane into a mold, forming the polyurethane and post-curing it to complete polycondensation.

REFERENCES:
patent: 2879197 (1959-03-01), Muskat et al.
patent: 3383273 (1968-05-01), Pearson et al.
patent: 3503840 (1970-03-01), Parrish
patent: 3546060 (1970-12-01), Hoppe et al.
patent: 3617594 (1971-11-01), Willy
patent: 3663352 (1972-05-01), Self et al.
patent: 3681188 (1972-08-01), Harris
patent: 3811922 (1974-05-01), Clark et al.
patent: 4118531 (1978-10-01), Hauser
patent: 4159617 (1979-07-01), Allan

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