US PATENT SUBCLASS 141 / 307
.~.~ With trap or chamber in vent passage


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

285  DF  MULTIPLE PASSAGE FILLING MEANS FOR DIVERSE MATERIALS OR FLOWS {10}
301  DF  .~ With valve {3}
307.~.~ With trap or chamber in vent passage


DEFINITION

Classification: 141/307

(under subclass 301) Filling apparatus having a vent passage which is provided with a trap or chamber for the accumulation of contents material which enters after the receiver is filled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

36, for plural connected receivers in which a second receiver is supplied with material overflowing from the first receiver simultaneously with continued filling of the first receiver.

44+, for diverse fluid pressure systems having means to separate entrained liquids or foam from escaping gas, such means sometimes including a trap, and see the search notes to subclass 44.

303, for similar arrangements including a float valve in the chamber which cuts off the vent passage.