US PATENT SUBCLASS 141 / 55
.~.~ Vent to drain fill pipe

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


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}
55.~.~ Vent to drain fill pipe

DEFINITION

Classification: 141/55

(under subclass 54) Apparatus in which one of the passages comprises a vent allowing the filled pipe to be drained of material at the termination of the filling operation.

(1) Note. A pressure other than atmospheric may be connected to the vent provided no change is made in another line carrying such pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

50, for diverse fluid systems in which a gas supply is shifted to the fill pipe at some time during a receiver filling cycle.

SEE OR SEARCH CLASS

137, Fluid Handling, 589, for vented outlet flow lines in fluid handling systems of general utility.