US PATENT SUBCLASS 242 / 602
.~.~ With convolution or layer separator

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

570  DF  COIL HOLDER OR SUPPORT (E.G., SPINDLE, DISPENSER, OR SPOOL) {6}
600  DF  .~ Spool or core {12}
602.~.~ With convolution or layer separator {2}
602.1  DF  .~.~.~> Helical pattern {1}
602.3  DF  .~.~.~> Spiral groove (e.g., convolute divider)

DEFINITION

Classification: 242/602

With convolution or layer separator:

(under subclass 600) Subject matter wherein the spool is formed with means to maintain spacing between either: (a) adjacent convolutions, or (b) successive layers, of wound material.

SEE OR SEARCH THIS CLASS, SUBCLASS:

536, for a convolute winding machine for winding spaced apart convolutions.