US PATENT SUBCLASS 100 / 242
.~.~ Adjustable size

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}
242.~.~ Adjustable size

DEFINITION

Classification: 100/242

(under subclass 240) Apparatus in which the area of the cross-section of the chamber at right angles to the direction of approach of the pressure surfaces may be varied.