Structure for sealing an inner peripheral portion of a metallic

Details Structure for sealing an inner peripheral portion of a metallic Structure for sealing an inner peripheral portion of a metallic

1995-10-11

1997-04-29

Chambers, A Michael

Valves and valve actuation

Hermetic flexible wall seal for actuator

Diaphragm

2513351, F16K 3100

Patent

active

056241020

ABSTRACT:
An inner peripheral portion of a metallic diaphragm (11) having a mounting hole (11a) at a central portion is held between a metallic welding fitting (8, 8') and a metallic holding member (6, 17), each respectively having an annular flat portion (8a, 6a, 17a) to contact an inner peripheral portion. The inner peripheral portion of the metallic diaphragm and the portions of the metallic welding fitting and the metallic holding member contacting the inner peripheral portion of the foregoing metallic diaphragm are welded at W', W" along entire peripheries thereof in order to secure these three components together as one body.

REFERENCES:
patent: 1662291 (1928-03-01), Bastian
patent: 2051350 (1936-08-01), Smith
patent: 4671490 (1987-06-01), Kolenc et al.
patent: 4750709 (1988-06-01), Kolenc et al.

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