Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ – Composite article making
Patent
1979-12-31
1981-10-20
Anderson, Philip
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
Composite article making
264103, 264257, 264282, 428280, 428300, 428310, B29D 2704
Patent
active
042960541
ABSTRACT:
A polyurethane cushion material comprising incorporating 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.
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Anderson Philip
Hueschen Gordon W.
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