Metal deforming – Tool and/or tool holder – Tool comprising closed periphery deforming passageway
Patent
1975-10-02
1976-04-06
Mehr, Milton S.
Metal deforming
Tool and/or tool holder
Tool comprising closed periphery deforming passageway
72261, 425464, B21C 306
Patent
active
039480798
ABSTRACT:
Billet material is extruded through a die having a plurality of die apertures thereby to produce simultaneously a plurality of extruded products such as wire. In one embodiment, the die has a conical mouth with a first die aperture at the apex thereof and with a plurality of radially equispaced second die apertures located forwardly of the first die aperture, the second die apertures having bevelled entries at the inlet ends thereof communicating with the conical mouth. In another embodiment, the die has multiple aperture groupings arranged therein, each grouping having a central die aperture and a plurality of peripheral die apertures radially equispaced about the central die aperture.
REFERENCES:
patent: 2973092 (1961-02-01), Graham
patent: 3740985 (1973-06-01), Fuchs
Kelley D. P.
Mehr Milton S.
Rosen A. S.
Western Electric Company Inc.
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