US PATENT SUBCLASS 53 / 84
.~ Pressure responsive and/or regulation

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

79  DF  GAS FILLING AND/OR EVACUATING OF RECEPTACLE AND CLOSING {5}
84.~ Pressure responsive and/or regulation

DEFINITION

Classification: 53/84

(under subclass 79) Apparatus including means to initiate the receptacle closing mechanism actuated by pressure sensitive means.

(1) Note. The actuating means is responsive to the gas filling pressure or degree of evacuation in the receptacle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

269, for closing mechanism tripped by vented air.

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141, Fluent Material Handling, With Receiver or Receiver Coacting Means,

39+, for automatic control of diverse fluid handling systems in response to gas condition in a separable receiver.