Snap-on valve gasket

Details Snap-on valve gasket Snap-on valve gasket

1983-09-02

1985-07-30

Chambers, A. Michael

Fluid handling

Processes

Cleaning, repairing, or assembling

137315, 251133, 251357, F16K 3102

Patent

active

045315329

ABSTRACT:
A sanitary valve assembly including a valve and a field replaceable gasket. The gasket is formed with a plurality of resilient fingers which conform to a frusto-conical surface of the valve head. The apex end of the valve head frusto-conical surface is provided with a laterally extending shoulder. To assemble the gasket to the valve head, the gasket is pushed onto the valve head so that the fingers deflect as they contact the shoulder. Upon passing over the shoulder, the fingers snap back to their undeflected position to engage the shoulder and retain the gasket on the valve when in the relaxed condition. The gasket fits loosely on the valve head when the valve assembly is in the open position, thereby permitting the assembly to be cleaned in place by flushing washing fluid through the clearances between the valve head and gasket.

REFERENCES:
patent: 1175980 (1916-03-01), Osborne
patent: 2002672 (1935-05-01), Melott
patent: 2397269 (1946-03-01), Kelly
patent: 2482198 (1949-09-01), Melichar
patent: 2860266 (1958-11-01), Schrader
patent: 3145733 (1964-08-01), Shaw et al.
patent: 3505888 (1970-04-01), Denkowski
patent: 3511475 (1970-05-01), Pfau
patent: 4408745 (1983-10-01), Swiers et al.

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