Multiple aperture die

Metal deforming – Tool and/or tool holder – Tool comprising closed periphery deforming passageway

Patent

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Details

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

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