US PATENT SUBCLASS 72 / 287
.~ Utilizing specified work moving means

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

274  DF  BY PULLING WORKPIECE THROUGH CLOSED PERIPHERY DIE (E.G., ROD-, TUBE-, OR WIRE-DRAWING) {8}
287.~ Utilizing specified work moving means {4}
288  DF  .~.~> Varying speed of moving work
289  DF  .~.~> Rotating a drum, roll, sheave, etc.
290  DF  .~.~> Interrelated work gripper and carrier
291  DF  .~.~> Maintaining a "straight-line-draw"

DEFINITION

Classification: 72/287

Utilizing specific work-moving means:

(under subclass 274) Subject matter including a definitely described seizing and tensioning means which is effective to draw work through the die.

SEE OR SEARCH THIS CLASS, SUBCLASS:

419+, and the search notes thereunder, for work or product handling means in a metal-deforming device.

SEE OR SEARCH CLASS

226, Advancing Material of Indeterminate Length, in general, for work-handling or product-handling method or apparatus.

414, Material or Article Handling,

14+, for stock pulling and/or pushing devices, and see the search notes thereunder.