Pump diaphragm

Details Pump diaphragm Pump diaphragm

1993-06-14

1994-09-27

Denion, Thomas E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

92103R, 92103F, 92103SD, F01B 1900

Patent

active

053498968

ABSTRACT:
A flexible pump diaphragm for pumping fluids is described in which the diaphragm has a number of ribs or troughs located radially across its circumferential flexure portion.

REFERENCES:
patent: 2632475 (1953-03-01), Elo
patent: 2840339 (1958-06-01), Price
patent: 2913008 (1959-11-01), Cordero
patent: 3209200 (1965-10-01), Waldherr
patent: 4238992 (1980-12-01), Tuck, Jr.
patent: 4270441 (1981-06-01), Tuck, Jr.
patent: 4375182 (1983-03-01), Zavoda
patent: 4885983 (1989-12-01), Zavoda
patent: 5145336 (1992-09-01), Becker et al.
patent: 5217797 (1983-06-01), Knox et al.

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