US PATENT SUBCLASS 408 / 75
.~ Centering means adapted to be replaced by tool

Current as of: June, 1999
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408 /   HD   CUTTING BY USE OF ROTATING AXIALLY MOVING TOOL

72 R  DF  WITH WORK-ENGAGING STRUCTURE OTHER THAN TOOL OR TOOL-SUPPORT {13}
75.~ Centering means adapted to be replaced by tool

DEFINITION

Classification: 408/75

(under subclass 72) Device including means adapted to be in the tool-support prior to the cutting operation so that the device can be precisely positioned, which means is to be removed from the tool-support so that the tool can be positioned therein to function in the cutting operation.