Safety gas container

Details Safety gas container Safety gas container

1986-03-10

1987-04-28

Pollard, Steven M.

Special receptacle or package

For gas

220 3, 220367, 137 79, F17C 114

Patent

active

046607145

ABSTRACT:
A safety gas container including a valve member made of a shape memory alloy, the valve member having a top head and a bottom head with a stem portion having a relatively small diameter therebetween; wherein the valve member is fitted in a gas passageway of the container; wherein the shape memory alloy is previously made to remember a smaller shape at a specific temperature; and whereby the valve member is diminished in size in response to a rise in the ambient temperature above the specific temperature so that gaps occurs between the valve member and the inside wall of the gas passageway.

REFERENCES:
patent: 771813 (1904-10-01), Crocker
patent: 1420721 (1922-06-01), McNiff
patent: 2743841 (1956-05-01), Bugel
patent: 3380620 (1968-04-01), Dean
patent: 4006838 (1977-02-01), Baumann et al.
patent: 4026512 (1977-05-01), Holt
patent: 4219126 (1980-08-01), Oana

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