US PATENT SUBCLASS 141 / 57
.~.~ Receiver vented to atmosphere before separation (e.g., snift)


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}
54  DF  .~ With plural diverse passages for gas to receiver or head {3}
57.~.~ Receiver vented to atmosphere before separation (e.g., snift) {1}
58  DF  .~.~.~> Constant bleed


DEFINITION

Classification: 141/57

(under subclass 54) Apparatus in which the receiver is vented to atmosphere before it is separated from the filling head.

(1) Note. This is to assist in removing the receiver from a vacuum head or to prevent surge of material under pressure in the receiver when the connection with the head is broken.