Stopper system for vessel orifice

Details Stopper system for vessel orifice Stopper system for vessel orifice

1997-06-24

1999-11-30

Chambers, A. Michael

Fluid handling

With casing, support, protector or static constructional...

Jacketed

251144, 251190, 2512436, F16L 700

Patent

active

059924462

ABSTRACT:
The combination of a vessel and a stopper assembly. The vessel has a wall defining a storage space for a supply of a flowable material and an orifice on the wall communicating through the body from the storage space to externally of the storage space. The stopper assembly selectively blocks the orifice. The stopper assembly has a frame, a stopper element with a blocking surface on the frame that is movable relative to the vessel between i) a closed position wherein the blocking surface substantially blocks the orifice and ii) an open position, and a repositioning mechanism for moving the stopper element relative to the vessel with the stopper element remaining in the closed position to thereby avoid fixing of the stopper element to the vessel.

REFERENCES:
patent: 1597068 (1926-08-01), Donald et al.
patent: 1706123 (1929-03-01), McBride
patent: 2005311 (1935-06-01), Belding
patent: 2238814 (1941-04-01), Kneass, Jr.
patent: 3142317 (1964-07-01), McVey
patent: 3411528 (1968-11-01), Machiyama et al.
patent: 4314688 (1982-02-01), Leman, Jr.

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