Methods for continuous extrusion

Details Methods for continuous extrusion Methods for continuous extrusion

1976-03-08

1978-06-13

Gilden, Leon

Metal deforming

With cleaning, descaling, or lubrication of work or product

Lubricating

72 60, 72270, 72271, B21C 3100, B21B 4502

Patent

active

040941787

ABSTRACT:
Two rotors cooperate to advance a rod of indefinite length continuously into an extrusion die. Portions of radially extending surfaces of the two rotors are utilized to grip the rod therebetween, in order to effect such advance of the workpiece rod upon the simultaneous rotation of the two rotors. An annular groove extends along the appropriate radially extending surface of one of the rotors. Such annular groove serves to retain the rod therein while guiding the rod along a path leading to the die. The face-to-face arrangement of the two rotors along their respective radially extending surfaces permits a very high extrusion pressure to be supported, while also allowing effective sealing of the annular groove at such very high extrusion pressure.

REFERENCES:
patent: 1397271 (1921-11-01), Eckemroth
patent: 2963048 (1960-12-01), Smith
patent: 3136185 (1967-06-01), Bentler
patent: 3580019 (1971-05-01), Beresnev
patent: 3605473 (1971-09-01), Lyon et al.
patent: 3765216 (1973-10-01), Green
patent: 3810371 (1974-05-01), Pisani
patent: 3872703 (1975-03-01), Green
patent: 3911705 (1975-10-01), Voorhes
patent: 3922898 (1975-12-01), Voorhes

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