Diaphragm for a pump with pressurized bead

Details Diaphragm for a pump with pressurized bead Diaphragm for a pump with pressurized bead

1994-05-06

1995-08-08

Ryznic, John E.

Expansible chamber devices

Collapsible chamber wall portion

Wall portion formed of flexible material

F01B 1900, F04B 4302

Patent

active

054389135

ABSTRACT:
A diaphragm for a pump, in particular a double diaphragm pump for conveying high-purity products, having peripheral radially offset annular beads, such that one of the annular beads is a grooved bead having a groove along its interior surface, and a clamping ring inserted in the groove formed therein, and wherein the groove is in communication with a pressure medium.

REFERENCES:
patent: 2662478 (1953-12-01), Surre
patent: 4049366 (1977-09-01), Becker
patent: 4881876 (1989-11-01), Laziou
patent: 5074757 (1991-12-01), Horn

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