US PATENT SUBCLASS 141 / 59
.~ Filling with exhausting the receiver

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

37  DF  DIVERSE FLUID CONTAINING PRESSURE FILLING SYSTEMS INVOLVING RECEIVER GAS CONTENT MODIFICATION {11}
59.~ Filling with exhausting the receiver {2}
60  DF  .~.~> Receiver coupling comprises movable pump element
61  DF  .~.~> Vacuum cut-off before filling

DEFINITION

Classification: 141/59

(under subclass 37) Apparatus in which means for removing the gaseous contents of the receiver is combined with or comprises means for filling the receiver with a nongaseous material.

(1) Note. Apparatus claiming evacuation means broadly is included if a cyclically operating machine having no other means for transferring the nongaseous material is claimed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

7, for corresponding processes.

42+, for vacuum line cut-off by a float in a filled receiver.

65, for evacuation apparatus, per se.

66, for evacuating and filling with gas. SEE OR SEARCH CLASS

53, Package Making,

510, for packaging apparatus having contents material treatment involving vacuum or inert atmosphere.

137, Fluid Handling,

205, for fluent material handling systems in which a chamber is filled by evacuation.