Leather-wrapped steering wheel

Details Leather-wrapped steering wheel Leather-wrapped steering wheel

1987-10-15

1989-04-25

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

74552, 74558, 745585, 428 65, 428 66, 428327, 4284231, 4284234, 4284258, 521174, C08G 1814

Patent

active

048248738

ABSTRACT:
This invention is directed to a leather-wrapped steering wheel which has a core-covering part of low hardness and high repulsion elasticity and, therefore, permits a leather wrap part to be formed through no medium of any rubber layer. This steering wheel comprises a core, a core-covering part made of semirigid urethane foam, and a leather wrap part covering the core-covering part. The semirigid urethane foam is produced by the reaction injection molding of a urethane foam material for water molding using a polyether tape compound and/or a polymer polyol type compound as a polyol moiety and a MDI type compound as a polyisocyanate moiety. This semirigid urethane foam possesses hardness in the range of 40 to 65 (Asker C), repulsion elasticity in the range of 15 to 60%, and density in the range of 0.3 to 0.5 g/cm.sup.3.

REFERENCES:
patent: 3802291 (1974-04-01), Young, Jr. et al.
patent: 4542166 (1985-09-01), Mabuchi
patent: 4581954 (1986-04-01), Uchida

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