Gas tank evacuator

Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Gas condition control in housing for receiver

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141 95, 141 98, 141330, 222 87, 73 45, 73 493, 73 52, B65B 3100

Patent

active

055290973

ABSTRACT:
An evacuator housing ( 14) of a gas tank evacuator (10) receives a gas tank (12). A valve seal of a movable seal head (34) and a puncture seal (66) of the evacuator housing are clamped onto the gas tank at opposite ends by a hollow threaded shaft (32) to form a sealed test space (58) exteriorly of the gas tank at a valve (22) and a sealed evacuation space (68) exteriorly of the gas tank at a puncture spot (24). A pressure gauge (60) coupled to the test space rides on the seal head and a valve actuator in the form of a rod (40), passes through the hollow threaded shaft into the sealed test space. A puncturing mechanism (18) punctures the gas tank at the puncture spot. The sealed evacuation space is positioned vertically below the puncture spot and communicates with a carbon filter positioned vertically above the evacuation space so as to form a U-shaped trap (90).

REFERENCES:
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patent: 4349054 (1982-09-01), Chipman et al.
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patent: 5174344 (1992-12-01), Gonzalez-Miller et al.
patent: 5181462 (1993-01-01), Isaac
patent: 5265762 (1993-11-01), Campbell et al.
patent: 5271437 (1993-12-01), O'Brien et al.
patent: 5284997 (1994-02-01), Spearman et al.
patent: 5307685 (1994-05-01), Bloome et al.
patent: 5309956 (1994-05-01), Hajma
patent: 5365982 (1994-11-01), O'Neill

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