US PATENT SUBCLASS 141 / 61
.~.~ Vacuum cut-off before filling

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  DF  .~ Filling with exhausting the receiver {2}
61.~.~ Vacuum cut-off before filling

DEFINITION

Classification: 141/61

(under subclass 59) Apparatus in which the means for evacuating the receiver ceases to operate to increase the vacuum before the filling material is admitted to the receiver.