US PATENT SUBCLASS 72 / 270
.~ Work supplying


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

253.1  DF  BY EXTRUDING THROUGH ORIFICE {15}
270.~ Work supplying


DEFINITION

Classification: 72/270

Work supplying:

(under subclass 253.1) Method or means which utilizes or includes means for storing work material and/or feeding or transporting work material to the deformation chamber.

(1) Note. This subclass includes "charging" an extrusion container by pouring in molten metal which autogenously welds to an earlier residue and then solidifies in situ.

SEE OR SEARCH THIS CLASS, SUBCLASS:

262, for a rotatable impeller extruder with work supply.

263, for side wise movement of a specified portion of the apparatus, which movement may be for the purpose of permitting or facilitating charging.

419+, as well as appropriate other subclasses under the several types of metal deformation in this class or other work handling.

SEE OR SEARCH CLASS

193, Conveyors, Chutes, Skids, Guides, and Ways, for conveyors, per se. 198, Conveyors: Power-Driven, for conveyors, per se.

221, Article Dispensing, for an article dispenser, per se.

414, Material or Article Handling, in particular

754+, where billet turnover devices can be found and compare with those devices in Class 198, Conveyors: Power-Driven, subclasses 373+.