Method of forming a sealing bead on a gasket

Details Method of forming a sealing bead on a gasket Method of forming a sealing bead on a gasket

1992-09-09

1994-08-23

Tentoni, Leo B.

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

264267, 264268, 264320, B29C 4318, B29C 4320

Patent

active

053405250

ABSTRACT:
A method of manufacturing a gasket having an improved elastomeric sealing bead. The method includes the steps of providing an embossment in a gasket body and filling the cavity of the embossment with an elastomer. The gasket is then positioned in a press and the embossment is squeezed to displace the elastomer into a sealing bead which projects from the flattened recess and beyond the major surface of the gasket body. The gasket is then removed from the press prior to use and installation in its intended environment.

REFERENCES:
patent: 4140323 (1979-02-01), Jacobs
patent: 4625979 (1986-12-01), Inciong
patent: 4659410 (1987-04-01), McDowell
patent: 4830698 (1989-05-01), DeCore

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