Diaphragm for sealing openings in pressure vessels

Details Diaphragm for sealing openings in pressure vessels Diaphragm for sealing openings in pressure vessels

2005-07-26

2005-07-26

Miller, William L. (Department: 3677)

Seal for a joint or juncture

Seal between fixed parts or static contact against...

Contact seal for other than internal combustion engine, or...

C277S605000, C277S645000, C277S646000

Reexamination Certificate

active

06921090

ABSTRACT:
An improved diaphragm for use with a gasket to prevent leakage of a pressurized fluid. The diaphragm has an internal groove which uses strong spring back and the pressure of the fluid to increase the gasket seating load, thereby providing a self-energizing seal which can accommodate changes in gasket load due to changes in fluid pressure. In one embodiment, a ring is shrink-fit or press-fit about the outer side edge of the diaphragm which improves strength and reduces the material cost.

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