US PATENT SUBCLASS 72 / 467
.~ Tool comprising closed periphery deforming passageway

Current as of: June, 1999
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72 /   HD   METAL DEFORMING

462  DF  TOOL AND/OR TOOL HOLDER {7}
467.~ Tool comprising closed periphery deforming passageway {1}
468  DF  .~.~> Including adjustable size or multiple passageway

DEFINITION

Classification: 72/467

Tool comprising closed periphery deforming passageway:

(under subclass 462) Apparatus wherein the tool defines an orifice having an uninterrupted circumference, and the work-engaging boundary surface of the orifice is disclosed as deforming work that moves bodily therethrough.

SEE OR SEARCH CLASS

425, Plastic Article or Earthenware Shaping or Treating: Apparatus,

461+, for a means providing a shaping orifice for extrusion apparatus for nonmetals.