Apparatus for and method of the plastic forming of materials

Details Apparatus for and method of the plastic forming of materials Apparatus for and method of the plastic forming of materials

1985-04-29

1987-01-13

Larson, Lowell A.

Metal deforming

By extruding through orifice

By plural impellers operating into one extrusion chamber

72273, 72354, 72465, B21C 2600

Patent

active

046354603

ABSTRACT:
Method of plastically deforming a body of malleable solid material between male and female dies which are forcible pressed together. The material is subjected to repeated identical pressing cycles; in each pressing cycle the force between the dies is concentrated consecutively on separate sections of the surface of the material being deformed. The body may be directly or indirectly extruded into an elongated shape from a location between the male and female dies which is disposed nearest the section of the surface of the material being deformed in each pressing cycle, or it may be deformed between the dies without any appreciable portion thereof escaping from between the dies.

REFERENCES:
patent: 1967245 (1934-07-01), Hothersall
patent: 2382045 (1945-08-01), Flowers
patent: 2778493 (1957-01-01), Kreidler
patent: 2964177 (1960-12-01), Scribner
patent: 2965228 (1960-12-01), Scribner
patent: 3292413 (1966-12-01), Falcioni
patent: 3443412 (1969-05-01), Webb
patent: 3521472 (1970-07-01), Bringewald
patent: 3847004 (1974-11-01), Bringewald

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