Diaphragm assembly and method of manufacturing same

Details Diaphragm assembly and method of manufacturing same Diaphragm assembly and method of manufacturing same

1995-08-29

1998-04-28

Denion, Thomas E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92 99, 92103F, 92103SD, F01B 1900

Patent

active

057431698

ABSTRACT:
A diaphragm assembly has a center disk in which use of a metal member is not required. The center disk comprises first and second center disk members, made of resin, embracing a resin diaphragm between them. The first center disk member has an inwardly directed inner flange on an inner peripheral wall defining a resin charging space, and the second center disk member comprises a resin-molded body, formed by charging a resin, and has an outwardly directed outer flange. A portion of the diaphragm is clamped between the inner flange and the outer flange.

REFERENCES:
patent: 3377922 (1968-04-01), Spender et al.
patent: 3385174 (1968-05-01), Crosland
patent: 4198028 (1980-04-01), Cook
patent: 4227445 (1980-10-01), Detweiler
patent: 4720079 (1988-01-01), Iizuka et al.
Patent Abstracts of Japan vol. 011, No. 348 (M-642), 14 Nov. 1987 & JP-A-62 127571 (Toyoda Gosei Co Ltd), 9 Jun. 1987. *abstract*.

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