Connecting device for intermittent air flow

Details Connecting device for intermittent air flow Connecting device for intermittent air flow

1976-10-18

1978-11-07

Bell, Houston S.

Fluent material handling, with receiver or receiver coacting mea

Multiple passage filling means for diverse materials or flows

With gas expanded seal

141312, 141383, 285 9R, B65B 304

Patent

active

041240464

ABSTRACT:
A tubular element of a connecting device is mounted for displacement between an extended position, where it seals against a mobile container around an opening therein for passage of conditioning air, and a retracted position where it is spaced from the container and where the connecting device is entirely retracted from said opening. A valve arrangement of the connecting device includes a body disposed coaxially of the tubular element and forming therewith a passage for the air flow which is opened when said element moves toward its extended position and which is closed when said element moves toward its retracted position.

REFERENCES:
patent: 3689047 (1972-09-01), Grosko

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