US PATENT SUBCLASS 242 / 434
.~ Through opening in ring-shaped core

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

430  DF  COMPOSITE ARTICLE WINDING {11}
434.~ Through opening in ring-shaped core {4}
434.1  DF  .~.~> By supply coil linked with core {1}
434.5  DF  .~.~> By supply coil cycling through opening {1}
434.7  DF  .~.~> By material end cycling through opening {1}
434.9  DF  .~.~> Having particular core holder or indexing means

DEFINITION

Classification: 242/434

Through opening in ring-shaped core:

(under subclass 430) Subject matter wherein the core is formed as a closed or substantially closed annulus defining a central aperture, and comprising a winding mechanism adapted to repetitively direct the material through the central aperture and radially around the core.

SEE OR SEARCH CLASS

29, Metal Working, particularly

605, 618, and 729+ for similar winding combined with an additional manufacturing operation such as assembling.

53, Package Making,

204, for winding a covering material for the purpose of providing an annular package.

100, Presses,

12, for apparatus to apply a binder through an annular arrangement of material. 156, Adhesive Bonding and Miscellaneous Chemical Manufacture, particularly

172, 180, and 189 for a method of winding combined with claimed adhesive bonding, and subclass 443 for a similar apparatus.

206, Special Receptacle or Package,

303+, for an annular package.

336, Inductor Devices, particularly

15, 213, and 229 for a detail of a wound electrical inductor.