Rubber riveting of molded parts

Details Rubber riveting of molded parts Rubber riveting of molded parts

1996-02-27

1999-05-25

Knight, Anthony

Seal for a joint or juncture

Seal for well apparatus

For overpressure control device

277603, 277627, E21B 3306, F16L 1702

Patent

active

059063750

ABSTRACT:
A combination of a rubber or other elastomer part and a plastic or metal part is bonded by both chemical and mechanical means. The mechanical means is in the form of molded rivets integrally manufactured in the molding process as part of the elastomer. Appropriate mating holes are made in the plastic or metal parts to receive the rivets during the molding process or at least before the rivets are cured. Conventional chemical bonding materials for the circumstance are employed with the rivet bonding to provide dual bonding strength. The parts of a blowout preventer, such as at the T-seal and the upper seal, are disclosed as preferred examples of locations that are subject to high pressure and temperature where an elastomer part is bonded to a plastic or a metal part.

REFERENCES:
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patent: 3086517 (1963-04-01), Dunkle
patent: 4310139 (1982-01-01), Williams, III et al.
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patent: 4684418 (1987-08-01), Kleykamp
patent: 4822671 (1989-04-01), Carper et al.
patent: 5005802 (1991-04-01), McWhorter et al.
patent: 5180137 (1993-01-01), Carlson et al.
patent: 5195581 (1993-03-01), Puntambekar et al.

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