Vacuum chamber structure and control system therefor

Details Vacuum chamber structure and control system therefor Vacuum chamber structure and control system therefor

1976-05-14

1977-06-07

McGehee, Travis S.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

With filling with gas

53 84, 53 85, 53 86, B65B 3102

Patent

active

040277070

ABSTRACT:
A system for evacuating selectively two side-by-side chambers having a common wall with a pressure passageway therein includes a closure slidable between two positions where one chamber is connected to sub-atmospheric pressure with the common pressure passageway while the other is connected to ambient, and including circuit means for controlling the application of pressure and the release of same.

REFERENCES:
patent: 1125138 (1915-01-01), Lorenz et al.
patent: 3220157 (1965-11-01), Buchner
patent: 3377769 (1968-04-01), Bridgeman
patent: 3597897 (1971-08-01), Gerard
patent: 3714754 (1973-02-01), Holcombe et al.

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