US PATENT SUBCLASS 184 / 55.1
.~.~.~ Displacement by air or steam

Current as of: June, 1999
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184 /   HD   LUBRICATION

14  DF  LUBRICATORS {18}
*  DD  .~ Force feed {5}
*  DD  .~.~ Fluid-operated {4}
55.1.~.~.~ Displacement by air or steam {3}
55.2  DF  .~.~.~.~> Air line lubricators
57  DF  .~.~.~.~> Initial pressure
58  DF  .~.~.~.~> Suction {1}

DEFINITION

Classification: 184/55.1

Displacement by air or steam:

Lubricating device wherein the lubricant is directly displaced by air or steam.

SEE OR SEARCH THIS CLASS, SUBCLASS:

39+, for lubricators having a piston-follower between the lubricant and the pressurized fluid.

SEE OR SEARCH CLASS

137, Fluid Handling,

101.11+, and 206+ for devices of that class type using a displacing fluid.