Dual ram press

Details Dual ram press Dual ram press

1988-01-06

1988-08-02

Jones, David

Metal deforming

With tool carrier

With guide for rectilinearly moving tool

72455, 72405, 72472, 72417, 100214, 29430, B21D 5144

Patent

active

047607297

ABSTRACT:
A metalworking press for forming easy open can ends. The metalworking press includes a primary ram for suspending an upper tooling member and designed to vertically reciprocate; a primary press bed stationarily positioned beneath the primary ram for mounting a lower tooling member; a seconary ram positioned beneath the primary press bed for suspending another tooling member and designed to vertically reciprocate; a secondary press bed stationarily positioned beneath the secondary ram for mounting another lower tooling member; driving rods secured to the primary ram and the secondary ram so that the rams move in unison; and a device to vertically reciprocate the primary ram so that when the device moves the primary ram downwardly the secondary ram moves downwardly, and when the device moves said primary ram upwardly, the secondary ram moves upwardly.

REFERENCES:
patent: 2295852 (1942-09-01), Jeune
patent: 2331015 (1943-10-01), Dawes et al.
patent: 2869177 (1959-01-01), Jurgeleit
patent: 3871226 (1975-03-01), Janiszewski
patent: 4026226 (1977-05-01), Hahn et al.
patent: 4355530 (1982-10-01), Chen

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