Diaphragm seal assembly

Details Diaphragm seal assembly Diaphragm seal assembly

1978-11-02

1980-03-11

Woodiel, Donald O

Measuring and testing

Fluid pressure gauge

Diaphragm

73706, 92 98R, G01L 708

Patent

active

041921925

ABSTRACT:
A diaphragm seal assembly for use with a fluid pressure responsive instrument includes an upper housing member having a first inner side. This inner side has a recessed surface defining a cavity and includes a passageway extending through the upper member for connection with the fluid pressure responsive instrument. A lower housing member has a second inner side and a passageway extending through the lower housing member. A diaphragm is received in the cavity and is clamped between the upper and lower housing members. A clamping device is provided for securing the upper and lower housing members together. The improvement comprises a deformable lip structure extending from the first inner side for bending over the periphery of the diaphragm to sealingly secure the diaphragm to the upper housing member.

REFERENCES:
patent: 1640606 (1927-08-01), Joyce
patent: 2525095 (1950-10-01), Coxon et al.
patent: 2649332 (1953-08-01), Rappl

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