Embossed metal gasket and method of manufacturing the same

Details Embossed metal gasket and method of manufacturing the same Embossed metal gasket and method of manufacturing the same

1997-03-18

1999-11-23

Duda, Kathleen

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Making named article

430323, G03C 558, G03F 700

Patent

active

059897864

ABSTRACT:
A method of manufacturing an embossed metal gasket includes the steps of supplying a metal gasket preform having opposed first and second planar surfaces and at least one sealing port defined therein, laminating the opposed planar surfaces with a chemical resist material, masking the chemical resist material on the first planar surface in such a manner so as to delineate a raised surface area of a bead circumscribing the sealing port, masking the chemical resist material on the second planar surface in such a manner so as to delineate a recessed surface area of the bead circumscribing the sealing port, curing the unmasked chemical resist material on the opposed planar surfaces of the preform, removing the uncured chemical resist material from the opposed planar surfaces, and exposing the gasket preform to a chemical etching agent to reduce the thickness of the gasket preform in areas which are absent cured chemical resist material.

REFERENCES:
patent: 4395441 (1983-07-01), Farnam
patent: 4761364 (1988-08-01), Schmauder
patent: 4968045 (1990-11-01), Abe et al.
patent: 5595858 (1997-01-01), Akama et al.
patent: 5759417 (1998-06-01), Inaba

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