Valve particularly adapted for use in vacuum work

Details Valve particularly adapted for use in vacuum work Valve particularly adapted for use in vacuum work

1975-04-17

1976-03-23

Cline, William R.

Valves and valve actuation

With correlated flow path

Pipe coupling or union

251150, 251309, 251368, 13762524, 285176, F16K 504, F16K 1100

Patent

active

039456030

ABSTRACT:
This invention relates to a vacuum valve having a hollow body formed of a resilient material and a valve means securely positioned at the center of the valve body in a seat integral with the body. The body is divided into two parts, being connected to a vacuum source at one end and an ampule at the other. The valve means alternately closes and opens this connection to the vacuum source in the manner common to valves. The valve further has openings connecting the ampule end of the valve body to the ambient air pressure, allowing release of the ampule without undue turbulence. The body has grooves in its interior walls, two on the ampule side and one on the side of the vacuum source, to enable the valve body to accept different sizes of ampules and connections without deforming and the subsequent loss of vacuum.

REFERENCES:
patent: 694706 (1902-03-01), Walsh, Jr.
patent: 2261213 (1941-11-01), Bierman
patent: 2507536 (1950-05-01), Goodson
patent: 2832562 (1958-04-01), Myers
patent: 3185179 (1965-05-01), Harautuneian
patent: 3434691 (1969-03-01), Hamilton
patent: 3509909 (1970-05-01), Bender et al.
patent: 3678960 (1972-07-01), Liebinsohn
patent: 3783900 (1974-01-01), Waldbillig
patent: 3790132 (1974-02-01), Schmitt
patent: 3895632 (1975-07-01), Plowiecki

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