Metal deforming – By extruding through orifice – Utilizing internal forming means
Patent
1997-07-31
1999-02-16
Hail, III, Joseph J.
Metal deforming
By extruding through orifice
Utilizing internal forming means
72467, 72478, B21C 2504
Patent
active
058709215
ABSTRACT:
An extrusion die for use in producing aluminum alloy articles of extruded shapes or tube having a void with defined internal dimension, said die comprising:
REFERENCES:
patent: 2814071 (1957-11-01), Allan et al.
patent: 3783663 (1974-01-01), Prajsner et al.
patent: 3963403 (1976-06-01), Hughes et al.
patent: 4148207 (1979-04-01), Stump
patent: 4161112 (1979-07-01), Stump
patent: 4983347 (1991-01-01), Rahn
patent: 5061163 (1991-10-01), Kennedy
Design and Correction of Hollow Dies in Europe, pp. 369-383. Abstract--Luigi Ingraldi, Vincenzo, Mario Padersoli.
Advanced Design and Manufacture of Hollow Dies or Improved Extrusion Speeds, pp. 207-211, Abstract--Paul H. Robbins.
Die Design and Die Correction as Affected by Pullers, pp. 17-19 Abstract--Gunar Bilen.
Robbins, "Advanced Design and Manufacture of Hollow Dies or Improved Extrusion Speeds" pp. 207-209 earlier than Jul. 31, 1997.
Ingraldi et al., "Design and Correction of Hollow Dies in Europe" earlier than Jul. 31, 1997.
Bilen, "Die Design and Die Correction as Affected by Pullers" earlier than Jul. 31, 1997.
Ingraldi Luigi
Piccinin Gabriel
Hail III Joseph J.
Tolan Ed
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