Extrusion press stem with at least one channel running approxima

Details Extrusion press stem with at least one channel running approxima Extrusion press stem with at least one channel running approxima

1978-07-17

1980-09-23

Larson, Lowell A.

Metal deforming

By extruding through orifice

72261, 72273, 72DIG15, 76101R, B21C 2500, B21C 3506, B21C 2510

Patent

active

042235464

ABSTRACT:
An extrusion press stem exhibits at least one channel which runs approximately parallel to the central axis and connects up with a shape giving die. Such a stem as used in the indirect extrusion of materials, in particular light metal billets, is made up of component parts which fit concentrically together and is held securely together by the joints at the end of each component.

REFERENCES:
patent: 560515 (1896-05-01), Mason
patent: 916703 (1909-03-01), Hastings
patent: 1714818 (1929-05-01), Reed
patent: 1950938 (1934-03-01), Dunn et al.
patent: 2532632 (1950-12-01), MacArthur
patent: 3095973 (1963-07-01), De Buigne
patent: 3444719 (1969-05-01), Roehrs
patent: 3577753 (1971-05-01), Shah
patent: 3630064 (1971-12-01), Mahn
patent: 3735623 (1973-05-01), Mann
patent: 3810379 (1974-05-01), Schlogelhofer
patent: 3827271 (1974-08-01), Kishino

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