Method of making a two-component gasket

Details Method of making a two-component gasket Method of making a two-component gasket

1976-04-05

1978-06-20

Arnold, Donald J.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264275, 264276, 264328, B29F 106, B29F 110

Patent

active

040962288

ABSTRACT:
In the manufacture of a gasket wherein a rigid, compression-limiting component is formed by molding in situ against the side of a preformed compressible gasket component to bond therewith, a narrow channel is pressed into the face of the gasket component during the molding operation. The gasket material is permanently deformed in this channel, which runs on the gasket face adjacent the edge of the side to which the rigid component is molded. The channel provides a durable, reproducible demarcation between the compressible and rigid components. Formation of this channel in molding has been found to prevent flashing of the material being molded, over the gasket face.

REFERENCES:
patent: 2137986 (1938-11-01), Sanford
patent: 3195906 (1965-07-01), Moyers
patent: 3215442 (1965-11-01), Papenguth
patent: 3355181 (1967-11-01), Olson
patent: 3462161 (1969-08-01), Daubenberger
patent: 3536806 (1970-10-01), Jackson
patent: 3608037 (1971-09-01), Genz
patent: 3619458 (1971-11-01), Engelhardt
patent: 3875654 (1975-04-01), Ushijima

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