Method and apparatus for cooling and handling extruded workpiece

Details Method and apparatus for cooling and handling extruded workpiece Method and apparatus for cooling and handling extruded workpiece

1978-09-15

1981-01-06

Larson, Lowell A.

Metal deforming

By extruding through orifice

With product handling

72253R, 72201, 266114, B21C 2900, B21C 3500, C21D 162, C21D 1667

Patent

active

042428955

ABSTRACT:
This disclosure relates in part to a hot extrusion press wherein the extrusion is cooled immediately after the extrusion operation by arranging a cooling tube including a cooling nozzle within the platen of the press and a second cooling nozzle between the platen and a water tank to which the extrusion is ultimately transferred for final cooling. The second cooling nozzle is employed to cool the extrusion and on the occasion of a cobbled extrusion, it is employed to drain the cooling tube and at the same time prevents water from flowing from the tank into the tube.

REFERENCES:
patent: 2287825 (1942-06-01), Postlewaite
patent: 2688332 (1954-09-01), Goodyear et al.
patent: 2765441 (1956-10-01), Gambrill
patent: 3230753 (1966-01-01), Walker
patent: 3295163 (1967-01-01), Bachus
patent: 3514986 (1970-06-01), Habscheidt et al.
patent: 3585833 (1971-06-01), Carraher et al.
patent: 3659830 (1972-05-01), Snyder et al.
patent: 3687145 (1972-08-01), Schrader et al.
patent: 3921964 (1975-11-01), Rossi et al.
patent: 3991986 (1976-11-01), Ward et al.
patent: 4084798 (1978-04-01), Dewsnap
"Heat Treatment of Heavy Metals from Extrusion Temperature", by J. Broichausan, Technical Report Hydraulic Presses, Sep. 5-6, 1974.

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