(under subclass 326) Subject matter wherein the cutting edges are so arranged with respect to the deforming face of the metal-deforming tool that they are effective to separate a discrete piece (as from stock material or a rough blank) prior to deformation of said discrete piece by said tool face.
(1) Note. This subclass typically involves cutting off a length of a metal strip, rod, or wire for subsequent deformation by a tool face rigid with the cutter (See diagram). [figure] [caption]Composite tool device for subclass 330. Blank is severed from stack prior to deformation in same tool stroke.
(2) Note. Substantially simultaneous engagement of work by shearing edges and metal-deforming tool faces is regarded as "blank detaching" for this subclass, for the blank is severed before any substantial amount of deformation has been performed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
337, for similar blanking by a shearing tool couple prior to metal deformation by another tool couple.
