US PATENT SUBCLASS 83 / 800
.~.~.~ With fluid in-feed regulating means

Current as of: June, 1999
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83 /   HD   CUTTING

788  DF  BY ENDLESS BAND OR CHAIN KNIFE {10}
794  DF  .~ With tool in-feed {4}
799  DF  .~.~ By gravity {1}
800.~.~.~ With fluid in-feed regulating means

DEFINITION

Classification: 83/800

(under subclass 799) Device provided with means resisting the gravitational movement of the tool through the work, the resisting means being controlled by the valve-like effect of the flow of liquid or gaseous material, which flow is caused by the movement of the tool through the work.