US PATENT SUBCLASS 242 / 602.2
.~.~.~.~ With particular lead-in or crossover structure

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  DF  .~.~ With convolution or layer separator {2}
602.1  DF  .~.~.~ Helical pattern {1}
602.2.~.~.~.~ With particular lead-in or crossover structure

DEFINITION

Classification: 242/602.2

With particular lead-in or crossover structure:

(under subclass 602.1) Subject matter wherein the means to maintain spacing includes a special portion to facilitate disposition of the elongated material into the helical groove formed by the ridge, usually at the beginning of winding a layer of material.