Valve outlet cap for toxic-gas container

Details Valve outlet cap for toxic-gas container Valve outlet cap for toxic-gas container

2006-12-22

2009-12-15

Lawrence, Frank M (Department: 1797)

Gas separation: apparatus

Solid sorbent apparatus

Plural diverse separating means

C055S385400, C252S184000

Reexamination Certificate

active

07632342

ABSTRACT:
The present invention provides an outlet cap adapted to removably attached to the gas outlet of a gas discharge passageway in an on-off valve provided on a toxic gas containing container, the outlet cap comprising a bottom wall, a peripheral wall extending from the bottom wall and a gasket located on an inner surface of the bottom wall for sealing the gas outlet, the gasket including a gas absorbing means which is made of a material which does not chemically react with the toxic gas contained in the toxic gas container to degrade the sealing property of the gasket, the toxic-gas absorbing means being exposed to the gas discharge passageway when the outlet cap is attached to the gas outlet.

REFERENCES:
patent: 2317882 (1943-04-01), Boesel
patent: 4287995 (1981-09-01), Moriya
patent: 4350508 (1982-09-01), Santoro et al.
patent: 4421235 (1983-12-01), Moriya
patent: 5529841 (1996-06-01), Neihof
patent: 5891223 (1999-04-01), Shaw et al.
patent: 6708844 (2004-03-01), Lim et al.
patent: 6986807 (2006-01-01), Brunk
patent: 59-57362 (1984-04-01), None
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patent: 05-231598 (1993-09-01), None
patent: 07-198097 (1995-08-01), None
patent: 2002-355529 (2002-12-01), None
patent: 2003-126647 (2003-05-01), None
JP 07-198097 Raw Machine Translation, published Aug. 1995.

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