Closed forging press

Details Closed forging press Closed forging press

1979-10-03

1982-03-30

Crosby, Gene

Metal deforming

With means to drive tool

Including pneumatic- or fluid-actuated tool support

72354, 72358, 72360, 72400, B21J 912

Patent

active

043218180

ABSTRACT:
In a hydraulic forging press having one or a plurality of press rams actuated reciprocatively through working oil by reciprocating motion of pump ram given by mechanical driving means, a closed forging press being provided with one or a plurality of punch rams disposed in a position to communize said working oil with said press ram and perform double action with said press ram, and actuated through said working oil by reciprocating motion of said pump ram.

REFERENCES:
patent: 2182663 (1939-12-01), Eby
patent: 3210984 (1965-10-01), Arbogast
patent: 3357228 (1967-12-01), Harrison
patent: 3651685 (1972-03-01), Tominaga
patent: 3680381 (1972-08-01), Portal
patent: 4148209 (1979-04-01), Bessho

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