Method of forming a rubber seal having a metallic insert

Details Method of forming a rubber seal having a metallic insert Method of forming a rubber seal having a metallic insert

1991-07-31

1993-05-25

Silbaugh, Jan H.

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

264273, 2642791, 2643284, 4251291, B29C 3312, B29C 3330, B29C 4502

Patent

active

052137490

ABSTRACT:
A method of forming a rubber seal containing a metal insert where a transfer mold having a cavity is provided with a post and a plurality of upwardly extending arcuated bosses on the base of the cavity. A metallic insert is disposed on the bosses and a flowable rubber material forced into the mold cavity and envelopes the metallic insert to form the rubber ring seal. The rubber seal produced has a plurality of spaced, aligned arcuate grooves in a flat planar surface of the base extending inwardly towards the embedded metallic insert.

REFERENCES:
patent: 2951004 (1960-08-01), Martin et al.
patent: 2985919 (1961-05-01), Borroff et al.
patent: 3345077 (1967-10-01), Novosad
patent: 4038359 (1977-07-01), Pendleton
patent: 4443396 (1984-04-01), Breher
patent: 4835840 (1989-06-01), Stokes
patent: 5020207 (1991-06-01), Minoda

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