US PATENT SUBCLASS 72 / 109
.~.~.~ Including in tool-couple

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

67  DF  BY USE OF TOOL ACTING DURING RELATIVE ROTATION BETWEEN TOOL AND WORK ABOUT INTERNAL CENTER (E.G., GYRATING OR ROTATING TOOL) {10}
80  DF  .~ During rotation of work {12}
102  DF  .~.~ Using non-cylindrical rotating tool {5}
109.~.~.~ Including in tool-couple

DEFINITION

Classification: 72/109

Including in tool couple:

(under subclass 102) Subject matter including a second tool cooperating with the first to form a tool-couple*.