Cushion material and method of manufacturing the same

Details Cushion material and method of manufacturing the same Cushion material and method of manufacturing the same

1990-08-03

1991-06-04

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

5448, 156290, 428288, 428297, B32B 2714

Patent

active

050212869

ABSTRACT:
A cushion is obtained by impregnating an aqueous polyurethane polymer emulsion in three-dimensionally interwined fibers, removing an excessive aqueous polyurethane polymer emulsion and hardening the resultant material with heat. The surface of each fiber is covered with a polyurethane resin, and the fibers are bonded by the polyurethane resin at intersected portions of the fibers.

REFERENCES:
patent: 4515854 (1985-05-01), Kogame et al.
patent: 4902542 (1990-02-01), Minegishi et al.
patent: 4944992 (1990-07-01), Yoneshige et al.

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