Valve for opening and closing a fluid conduit

Details Valve for opening and closing a fluid conduit Valve for opening and closing a fluid conduit

1978-05-26

1981-03-03

Schwadron, Martin P.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

251174, 251177, 251298, 251 58, F16K 4300, F16K 31122

Patent

active

042534852

ABSTRACT:
A valve for opening and closing a fluid conduit of the type having a generally wide cross section, the conduit having a transverse slit therein to allow for movement of a shut-off plate therethrough. The shut-off plate has a spherical shape and defines a center about which the shut-off plate may be arcuately displaced to close the conduit when the plate is positioned within the conduit and to open the conduit when the plate is positioned external to the conduit.

REFERENCES:
patent: 3266525 (1966-08-01), Wolter
patent: 3410422 (1968-11-01), Carpentier
patent: 3474818 (1969-10-01), Hartman
patent: 3485475 (1969-12-01), Moore et al.
patent: 3580539 (1971-05-01), Van Scoy
patent: 3724809 (1973-04-01), Reale
patent: 3727880 (1973-04-01), Stock
patent: 3799188 (1974-03-01), Chronister
patent: 3916949 (1975-11-01), Armstrong
patent: 3995827 (1976-12-01), Piguet
patent: 4130268 (1978-12-01), Kojima
patent: 4144902 (1979-03-01), Mahr
patent: 4150811 (1979-04-01), Condit

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