US PATENT SUBCLASS 72 / 144
.~.~.~ And means to traverse work-guide


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

127  DF  BY DEFLECTING SUCCESSIVELY-PRESENTED PORTIONS OF WORK DURING BODILY MOVEMENT THEREOF (E.G., FOR COILING, LEVELLING, CURVING OR TROUGHING MATERIAL IN MOVEMENT) {11}
135  DF  .~ To form helical coil or tube {7}
142  DF  .~.~ By work-guide and rotatable, work-holding core {2}
144.~.~.~ And means to traverse work-guide


DEFINITION

Classification: 72/144

And means to traverse work guide:

(under subclass 142) Subject matter including mechanism for moving the work guide uniformly along a line parallel to the core axis.

(1) Note. The work guide and the core are discussed in (b) and (a) respectively, in the definition of subclass 142, above.