Die-lateral extruding method and apparatus

Details Die-lateral extruding method and apparatus Die-lateral extruding method and apparatus

1993-11-12

1995-12-19

Larson, Lowell A.

Metal deforming

By extruding through orifice

By plural impellers operating into one extrusion chamber

723556, B21C 2321

Patent

active

054759994

ABSTRACT:
An axially non-symmetric article is forged by the first upsetting by means of the first and second punches and by the second die-lateral extruding of a metal bar stock which is extruded via an orifice into an extension space(s) which has a greater cross section than the orifice.

REFERENCES:
patent: 3263468 (1966-08-01), Rowell
patent: 3279230 (1966-10-01), Johnson
patent: 4104903 (1978-08-01), Rowell et al.
patent: 4604886 (1986-08-01), McGregor, Jr.
patent: 4662205 (1987-05-01), Ratte
Study on Radial Flow Extrusion in Aluminum, Y. Matsuura et al., Imoken Report No. 41, 1985 pp. 49-57.
Study on Extrusion of Large Pipes by Using Smaller Billets, T. Yamada et al., J. of Jn Metal Soc. vol. 46, No. 10, 1982, pp. 1023-1029.

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