US PATENT SUBCLASS 242 / 480.7
.~.~.~ On double-headed spool


Current as of: June, 1999
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242 /   HD   WINDING, TENSIONING, OR GUIDING

470  DF  HELICAL OR RANDOM WINDING OF MATERIAL {17}
476.7  DF  .~ Distributing material along the package {24}
480.4  DF  .~.~ Progressive variation of guide stroke length (e.g., at least one end of package tapered) {3}
480.7.~.~.~ On double-headed spool


DEFINITION

Classification: 242/480.7

On double-headed spool:

(under subclass 480.4) Subject matter in which the take-up has flanges at opposite ends and the material is placed on the take-up in layers in a manner such that each layer is substantially in contact with both flanges.

(1) Note. Typical of this subclass are spoolers.