US PATENT SUBCLASS 407 / 14
.~ Hollow tool for surrounding workpiece

Current as of: June, 1999
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407 /   HD   CUTTERS, FOR SHAPING

13  DF  RECTILINEAR BROACH {4}
14.~ Hollow tool for surrounding workpiece

DEFINITION

Classification: 407/14

Hollow tool for surrounding workpiece:

(under subclass 13) Device including a central opening through which work is intended to pass during shaping thereof, and into which projects the sequentially acting cutting protuberances.

(1) Note. Included herein is a "pot broach".