US PATENT SUBCLASS 242 / 437.4
.~.~.~ Flattened core

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

430  DF  COMPOSITE ARTICLE WINDING {11}
437  DF  .~ On irregularly shaped core {2}
437.3  DF  .~.~ Noncircular core {1}
437.4.~.~.~ Flattened core

DEFINITION

Classification: 242/437.4

Flattened core:

(under subclass 437.3) Subject matter wherein the core has one dimension (width) materially greater than a perpendicular dimension (thickness) to define a card or planar winding surface (e.g. a width ten times greater than a thickness).

SEE OR SEARCH THIS CLASS, SUBCLASS:

537, for a machine for convolutely winding on an irregularly shaped core, and

613.3, for a flattened winding core.