Stopcock

Details Stopcock Stopcock

1974-06-10

1977-01-18

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

13762547, 251309, 251311, 251368, 251286, F16K 502

Patent

active

040034038

ABSTRACT:
A stopcock is disclosed which comprises a body suitable for molding, having an axial bore, axially and angularly spaced apart inlet and outlet passageways through the body and intersecting the bore, and a stem rotatably mounted within the bore, the stem having an elongated slot extending radially partially therethrough and a port angularly spaced from the intersection of the slot and the stem surface and intersecting the slot at the interior of the stem. The stem is rotatable from a position effecting fluid flow communication between the passageways to a position obturating at least one of the passageways. Vent means are provided to permit removal of all liquid from the passageways.

REFERENCES:
patent: 1060791 (1913-05-01), Schaller
patent: 1086982 (1914-02-01), Bahruth
patent: 1214267 (1917-01-01), Block
patent: 1384645 (1921-07-01), Sullivan
patent: 2687872 (1954-08-01), Onosko
patent: 2854027 (1958-09-01), Kaiser et al.
patent: 3142474 (1964-07-01), Von Nelson
patent: 3186437 (1965-06-01), Buono
patent: 3326230 (1967-06-01), Frank
patent: 3475002 (1969-10-01), Phillips
patent: 3605812 (1971-09-01), Richter
patent: 3678960 (1972-07-01), Leibinsohn
patent: 3788599 (1974-01-01), Cloyd

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