Dust boot with multiple layer construction of bellows

Details Dust boot with multiple layer construction of bellows Dust boot with multiple layer construction of bellows

1985-04-24

1986-03-04

Ward, Robert S.

Seal for a joint or juncture

Seal between relatively movable parts

Relatively rotatable radially extending sealing face member

277233, 277229, 74 181, 403 51, F16J 1552

Patent

active

045736936

ABSTRACT:
A dust boot for a constant velocity universal joint has a bellows-shaped boot made of chloroprene-rubber substantially excluding wax and a polyamide resin coating layer having excellent wear resistance, which is formed on the outer surface of the bellows-shaped boot without peeling. Between the coating layer and the polyamide resin boot is formed a primer layer made of a mixture of chloroprene-rubber and isocyanate compound so that the coating layer does not peel off from the bellow-shaped boot.

REFERENCES:
patent: 1922431 (1933-08-01), Geyer
patent: 3114568 (1963-12-01), Buono
patent: 4086819 (1978-05-01), Brownlee
patent: 4253675 (1981-03-01), Laurent

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