US PATENT SUBCLASS 72 / 453.08
.~.~.~.~ Independently actuated means

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

429  DF  WITH MEANS TO DRIVE TOOL {11}
453.01  DF  .~ Including pneumatic- or fluid-actuated tool support {7}
453.02  DF  .~.~ Multiple or staged drive means {3}
453.06  DF  .~.~.~ Pressure additive {3}
453.08.~.~.~.~ Independently actuated means

DEFINITION

Classification: 72/453.08

Independently actuated means:

(under subclass 453.06) Apparatus including means to supply liquid medium under pressure to one of the tool forcing means and means to supply liquid medium under pressure to the other of the tool forcing means wherein the first supply and the second supply are not entirely dependent one on the other.