US PATENT SUBCLASS 156 / 429
.~.~.~ Rotating core or mandrel

Current as of: June, 1999
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156 /   HD   ADHESIVE BONDING AND MISCELLANEOUS CHEMICAL MANUFACTURE

349  DF  SURFACE BONDING MEANS AND/OR ASSEMBLY MEANS THEREFOR {34}
425  DF  .~ Longitudinally progressive helical winding means {2}
428  DF  .~.~ Forming and/or covering indefinite length article {2}
429.~.~.~ Rotating core or mandrel

DEFINITION

Classification: 156/429

(under subclass 428) Apparatus in which the base on which the material wound is caused to rotate about an internal axis to effect the winding operation.