Method of forming a gasket with enhanced sealing characteristics

Details Method of forming a gasket with enhanced sealing characteristics Method of forming a gasket with enhanced sealing characteristics

1988-04-20

1989-05-16

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156278, 277207R, 277235B, 427275, B32B 3112

Patent

active

048306983

ABSTRACT:
A method of forming a gasket with an accurately aligned and deposited sealing bead and embossment arrangement. The method comprises providing a deformable gasket body having two spaced apart major surfaces. The next step involves applying a relatively imcompressible sealing material against one of the major surfaces on the gasket body with sufficient pressure and in a manner deforming both of the major surfaces of the gasket body. The deformation of the gasket body defines an embossment comprising a projection extending outwardly from one major surface and a substantially corresponding indentation extending inwardly from the other major surface. Besides creating an embossment, sealing material remains in and fills the indentation to provide support for the embossment. Another step in the process involves curing the sealing material filling the indentation in the gasket body.

REFERENCES:
patent: 3061321 (1962-10-01), Smith
patent: 3565449 (1971-02-01), Ascencio et al.
patent: 4140323 (1979-02-01), Jacobs
patent: 4423544 (1984-01-01), Kashmerick et al.
patent: 4535996 (1985-08-01), Cardis et al.
patent: 4625979 (1986-12-01), Inciong
patent: 4659410 (1987-04-01), McDowell et al.
patent: 4743421 (1988-05-01), McDowell et al.

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