Method of forming sealing members

Details Method of forming sealing members Method of forming sealing members

1976-04-16

1978-03-14

Keenan, Michael J.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

B21D 5312

Patent

active

040782875

ABSTRACT:
A method of forming a sealing member comprising a metal body having a resilient material thereon and a resiliently deflectable lip member extending inwardly from the edge of a hole in the metal body for sealingly contacting a surface, including the steps of: (a) forming a hole in a generally flat, comparatively thin metal sheet; (b) coating at least one side of the metal sheet with a resilient material in such a manner that the resilient material at least covers the hole; (c) cutting away a predetermined amount of resilient material inwardly of the edge of the hole to form the resiliently deflectable lip member, and (d) forming the metal sheet and resilient coating into a predetermined shape defining the outer configuration for the sealing member.

REFERENCES:
patent: 2734757 (1956-02-01), Martin
patent: 2850792 (1958-09-01), Cobb
patent: 3268984 (1966-08-01), Kupchick
patent: 3557420 (1971-01-01), Matt et al.
patent: 3959061 (1976-05-01), Renck

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