Membrane arrangement for a pressure switch or for a pressure-res

Details Membrane arrangement for a pressure switch or for a pressure-res Membrane arrangement for a pressure switch or for a pressure-res

1993-10-29

1995-06-06

Denion, Thomas E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 98R, 92 99, F01B 1900

Patent

active

054212421

ABSTRACT:
A membrane supporting plate (10) includes on its outer rim (20) an axially directed ring groove (30), into which an annular membrane (22) is inserted, free from distortion, by its clamping boss (28) disposed on its inner rim. A beaded rim (32) disposed next to the ring groove (30) on the membrane supporting plate (10) is deformed radially outwards by a beading process. As a result of the effected sealing of the ring groove (30), the membrane (22), which is made from highly elastic material, is anchored pressure-tight and free from distortion to the membrane supporting plate (10).

REFERENCES:
patent: 3168855 (1965-02-01), Randol
patent: 3212446 (1965-10-01), Golden et al.
patent: 4663974 (1987-05-01), Scherer
patent: 4767898 (1988-08-01), Yasuda et al.
patent: 5216213 (1993-06-01), Sato
patent: 5249508 (1993-10-01), Hasegawa et al.

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