US PATENT SUBCLASS 141 / 6
.~.~.~ Counter-pressure type

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

1  DF  PROCESSES {6}
4  DF  .~ Gas or variation of gaseous condition in receiver {2}
5  DF  .~.~ With filling with fluent non-gaseous materials {2}
6.~.~.~ Counter-pressure type

DEFINITION

Classification: 141/6

(under subclass 5) Processes in which gaseous material is

introduced into the receiver ahead of nongaseous material in order to equalize pressure between receiver and supply prior to filling with the main contents material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

37+, for apparatus for carrying out the processes of this subclass.