Closure device and method for venting, cannulating and pressuriz

Details Closure device and method for venting, cannulating and pressuriz Closure device and method for venting, cannulating and pressuriz

1997-07-21

1998-12-15

Douglas, Steven O.

Fluent material handling, with receiver or receiver coacting mea

Diverse fluid containing pressure filling systems involving...

Filling with exhausting the receiver

141 18, 141 50, 141302, 215309, 222489, B65B 104, B65B 304

Patent

active

058486224

ABSTRACT:
A closure device (4) is used to seal an opening of a vessel (6), while providing access to the interior of the vessel. The closure device automatically releases gas and/or toxic vapor from the sealed vessel to protect the operator from harmful vapor without requiring the operator to manually actuate a valve or other mechanism prior to removing the vessel from the closure device. The closure device is constructed so the interior of the vessel can be pressurized while maintaining a pressure seal against the vessel opening, and the vessel can be cannulated without overpressurizing the vessel interior.

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