US PATENT SUBCLASS 72 / 64
BY TWISTING AXIALLY MOVING WORK


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

64BY TWISTING AXIALLY MOVING WORK {1}
65  DF  .~> With adjustment of machine or variation in effect of tool on product


DEFINITION

Classification: 72/64

By twisting axially moving work:

(under the class definition) Subject matter comprising steps of, or means for, (a) advancing work* in its entirety in a longitudinal direction so as to pass longitudinally consecutive cross sections of work (the cross sections being taken at right angles to the longitudinal direction) through a metal-deforming zone, and (b) turning each consecutive cross section in its entirety, with respect to other cross sections, about a line parallel to, or coincident with, the longitudinal direction, whereby the angular orientation of successive cross sections are modified with respect to each other.

(1) Note. Although the title of this subclass refers to moving work, this and the indented subclasses will accept cross-reference patents disclosing a tool moving along a stationary workpiece and having the work-twisting action described above.

SEE OR SEARCH THIS CLASS, SUBCLASS:

299, for a disclosure wherein a workpiece is clamped at two zones spaced along the work by clamps which are then rotated to twist the work lying between the clamps.