With attenuation, thickening elongating shortening of work material:
(under subclass 362) Process including a step which causes a plastic flow of work material which in turn results in a reduction or an enlargement of any dimension of the work material not compensated for by a parallel and opposite flow.
(1) Note. The subject matter of this subclass relates to
substantially all metal-deforming operations except "bending".
SEE OR SEARCH THIS CLASS, SUBCLASS:
372.2+, for a metal-deforming process characterized by a bending step.