Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1987-07-16
1990-02-20
Bell, James J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
5448, 428224, 428228, 428297, 428290, 428299, 428300, 428369, 4284231, 428420, B32B 2914
Patent
active
049025422
ABSTRACT:
A cushion has a main body formed of fibers including organic synthetic fibers which are stereoscopically intertwined. A cured polyurethane resion covers surfaces of the fibers and binds the fibers at their intersections. The cured polyurethane resin is obtained by curing a polyurethane prepolymer with water or steam.
REFERENCES:
patent: 4172174 (1979-10-01), Takagi
patent: 4563387 (1986-01-01), Takagi et al.
Fischer-Bobsien International Encyclopaedia of Textiles 1966, columns 1595 and 1605.
Minegishi Takeshi
Sakai Toru
Takehana Toshihiro
Yoneshige Yasuo
Bell James J.
NHK Spring Co. Ltd.
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