Method of making a gasket

Details Method of making a gasket Method of making a gasket

1993-11-03

1995-05-09

Crane, Daniel C.

Metal deforming

With cutting

By shearing tool-couple

72340, 298883, 277235B, B21D 5384, B21D 2826

Patent

active

054129729

ABSTRACT:
The gasket and method of the present invention can be used for creating thinner surfaces on structures, including gaskets, without necessarily damaging such structures during formation, and without the need to resort to the undesirable practice of chemical milling. An annular ring is stamped to create an axially offset concentrically outward ring. The side of this ring which is displaced above the remainder of the annular ring is lathed off while the annular ring is securely attached to a lathe. The annular ring is secured at its inner and outer diameter during the facing operation to insure good support and that the work piece will not be harmed during processing. Further punching operations form apertures in the gasket while a small portion of axially offset material is left at the radial extent of the gasket. Finally, this axially offset material is punched away, and the gasket is made available for further finishing operations such as sand blasting.

REFERENCES:
patent: 3707933 (1973-01-01), Berg
patent: 5106107 (1992-04-01), Justus

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