Fluent material handling – with receiver or receiver coacting mea – Diverse fluid containing pressure filling systems involving... – Gas control or supply varied – shifted or supplemented during...
Patent
1982-05-28
1984-12-25
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Diverse fluid containing pressure filling systems involving...
Gas control or supply varied, shifted or supplemented during...
141 82, 141 91, 141 98, 141286, 141 95, B65B 304
Patent
active
044897677
ABSTRACT:
Apparatus for dropping and sealing liquefied inert gases into a can immediately before rolling of a canning can, and applying internal pressure to the can after sealed. Liquefied gases supplied from a liquefied gas main tank to a liquefied gas storage tank set in gas pressure lower than that of the main tank is controlled by a bucket or ball type float valve to maintain a constant liquid level at all times. A given amount of liquefied gases are dropped from a dropping nozzle into a can by means of a dropping valve actuated by a sensing signal of the can. Internal pressure of the storage tank is maintained constant by releasing vaporized gases within the tank through a regulating valve. This released gas shields the liquefied gases released and dropped towards the circumference of the dropping nozzle and the nozzle to prevent vaporization of the dropping gases and freezing of the nozzle. To prevent the nozzle from being frozen, it is preferred that a nozzle portion is made of a suitable synthetic resin.
REFERENCES:
patent: 3670786 (1972-06-01), Levin et al.
patent: 4077182 (1978-03-01), Papaluca
Bell, Jr. Houston S.
Bierman Jordan B.
Toyo Seikan Kaisha Ltd.
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