US PATENT SUBCLASS 156 / 513
.~.~ Means making hole or aperture in part to be laminated

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}
510  DF  .~ With cutting, punching, piercing, severing, or tearing {9}
513.~.~ Means making hole or aperture in part to be laminated {1}
514  DF  .~.~.~> And securing separate part over hole or aperture

DEFINITION

Classification: 156/513

(under subclass 510) Apparatus in which the severing means punches or cuts an opening in the workpiece before lamination.

SEE OR SEARCH THIS CLASS, SUBCLASS:

252+, for laminating including a step of perforating one of the laminae.