Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – Drip prevention
Patent
1979-09-11
1981-10-06
Schmidt, Frederick R.
Fluent material handling, with receiver or receiver coacting mea
Filling means with receiver or receiver coacting means
Drip prevention
141383, 141392, B65B 304
Patent
active
042930090
ABSTRACT:
A clamp on gas cylinder filling head comprising an on/off valve and incorporating a bobbin which is extended by the initial pressure of the gas to be transferred. The bobbin, in conjunction with a clamp bar being an integral part of the head and spaced outwardly of the main body thereof clamps the head to and opens the inlet of a cylinder being charged. This halted movement of the bobbin causes a back-pressure within the head which forces a shuttle or spool valve mounted within a chamber of the gas inlet passage of the head to move from its state of rest to open the inlet passage to an outlet port to achieve discharge. Closing of the valve relieves the pressure within the head allowing return means for the bobbin to operate thus removing the clamping action thereof.
REFERENCES:
patent: 4207934 (1980-06-01), Scremin et al.
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