US PATENT SUBCLASS 72 / 52
.~.~ During longitudinal movement of work

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

48  DF  BY TOOL-COUPLE PRESSING TOGETHER ADJACENT SURFACE PORTIONS OF SAME WORK (E.G., TUBE-SEAMER) {2}
51  DF  .~ To form longitudinally-seamed tube {1}
52.~.~ During longitudinal movement of work

DEFINITION

Classification: 72/52

During longitudinal movement of work:

(under subclass 51) Subject matter wherein the work is moved along its length dimensions as the joint is deformed.

(1) Note. Usually the work is a web and is deformed by structure which, per se, is found in subclasses 176+ and an additional deformation is imposed on the adjacent margins, after the troughing or skelping of the work, to form the seam.