(under subclass 331) Device in which the tool has an annular cutting edge which extends around only a portion of the circumference of the tool support, and which edge extends in a plane parallel to the direction of work-feed.
(1) Note. Rotary punches; i.e., tools having a plurality of punches mounted around the periphery of the tool support have not been considered as slitters or slotters for this subclass, but have been classified in other subclasses under 331 on the structure claimed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
425, for a rotatable disc tool in combination with means to move work thereto, which tool cuts a continuous slit or slot in the work as the work is fed past the cutter.
469+, for a rotatable disc tool pair or tool and carrier.
