Fluent material handling – with receiver or receiver coacting mea – Processes – Gas or variation of gaseous condition in receiver
Patent
1975-02-12
1976-11-23
Bell, Jr., Houston S.
Fluent material handling, with receiver or receiver coacting mea
Processes
Gas or variation of gaseous condition in receiver
141 66, B65B 304, B67C 312
Patent
active
039931102
ABSTRACT:
There is disclosed a method of diffusing gaseous medium such as tritium into a vessel such as a tube of an overvoltage protector. According to the method, a vessel such as a tube including a wall portion made of a material permitting diffusion of gas therethrough is provided. This vessel is heated to a predetermined elevated temperature and sealed while the vessel is at the elevated temperature. The vessel is thereupon evacuated and exposed to an atmosphere of gas to be diffused into the vessel while maintaining this atmosphere for a predetermined period of time at an elevated temperature less than the sealing temperature and at a pressure higher than the pressure within the sealed and evacuated vessel, thereby causing diffusion of gas into the vessel for filling the same with the gas. There is also disclosed a device for carrying out the hereinbefore described method.
REFERENCES:
patent: 3108621 (1963-10-01), Harries
Bell, Jr. Houston S.
Telefonaktiebolaget L M Ericsson
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