US PATENT SUBCLASS 156 / 445
.~.~ About preformed sphere

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}
443  DF  .~ With bending, folding, winding, or wrapping means {5}
445.~.~ About preformed sphere

DEFINITION

Classification: 156/445

(under subclass 443) Apparatus in which means are provided to cause the workpiece being shaped to assume the shape and embrace a spherical core.

(1) Note. In this subclass may be found, for example, device for applying cover material to playing balls.

SEE OR SEARCH THIS CLASS, SUBCLASS:

186, for laminating processes including a step of winding a web or sheet about a spherical core.

SEE OR SEARCH CLASS

242, Winding, Tensioning, or Guiding,

435+, and 436 for a device for winding elongated material on a spherical core.