US PATENT SUBCLASS 83 / 518
.~ Punch and shear

Current as of: June, 1999
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83 /   HD   CUTTING

513  DF  TWO TOOL PAIRS, DRIVER FOR ONE PAIR MOVES RELATIVE TO DRIVER FOR OTHER PAIR {4}
518.~ Punch and shear

DEFINITION

Classification: 83/518

(under subclass 513) Apparatus wherein at least one cutter is a closed aperture forming means and at least one other cutter is a blade or knife.

SEE OR SEARCH THIS CLASS, SUBCLASS:

515, for a punch and shear arrangement in which the tool support of one acts as driver for the others and see the Notes thereto.