US PATENT SUBCLASS 100 / 251
.~.~.~.~.~ Axially slidable

Current as of: June, 1999
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100 /   HD   PRESSES

214  DF  RECIPROCATING PRESS CONSTRUCTION {26}
240  DF  .~ Box and piston type {6}
246  DF  .~.~ Movable or removable box section {2}
247  DF  .~.~.~ Separable box head and box frame {2}
249  DF  .~.~.~.~ With guided motion {2}
251.~.~.~.~.~ Axially slidable

DEFINITION

Classification: 100/251

(under subclass 249) Apparatus in which the surfaces which direct the relative motion of the pressure surface and the side walls of the chamber include means to direct relative movement in the direction of the compressive force.