Exhaust head

Details Exhaust head Exhaust head

1977-10-13

1979-02-06

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Evacuation apparatus

73 40, 141 83, 316 30, B65B 3104, G01M 302, H01J 938, H01J 942

Patent

active

041379535

ABSTRACT:
A coupling head suitable to be supported on a transporting means for coupling an object to be evacuated to a vacuum line. The coupling has a ball valve and a poppet valve for connecting and disconnecting the vacuum and gas pressure to the object. Leaks in the object can be detected by a sensing device actuated by a bellows on the coupling head.

REFERENCES:
patent: 3140734 (1964-07-01), Chauvin

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