US PATENT SUBCLASS 72 / 453.13
.~.~ Including fluid cushion for die opposite to ram

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}
453.13.~.~ Including fluid cushion for die opposite to ram

DEFINITION

Classification: 72/453.13

Including fluid cushion for die opposite to ram:

(under subclass 453.01) Apparatus including a tool couple wherein one tool includes a pneumatic- or fluid-actuated tool support and wherein the other tool is supported on a compressible fluid medium such that the other tool will move away from the driven tool under extreme pressure.