US PATENT SUBCLASS 100 / 253
.~.~.~.~ Piston operator actuated frame section
Current as of:
June, 1999
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100 /
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PRESSES
214
DF
RECIPROCATING PRESS CONSTRUCTION
{26}
240
DF
.~ Box and piston type {6}
246
DF
.~.~ Movable or removable box section {2}
252
DF
.~.~.~ Separable box frame sections {3}
253
.~.~.~.~ Piston operator actuated frame section
DEFINITION
Classification: 100/253
(under subclass 252) Apparatus in which the means which causes the pressure surfaces to reciprocate relative to one another also causes separation of the chamber side wall parts from each other.