US PATENT SUBCLASS 184 / 57
.~.~.~.~ Initial pressure

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  DF  .~.~.~ Displacement by air or steam {3}
57.~.~.~.~ Initial pressure

DEFINITION

Classification: 184/57

Force-feed lubricators comprising an auxiliary tank in connection with the lubricant-receptacle, which tank is charged with compressed air, and this air is used to force the lubricant from its receptacle.