Counterblowing machine hammer

Details Counterblowing machine hammer Counterblowing machine hammer

1977-10-05

1979-03-06

Lanham, C.W.

Metal deforming

With means to actuate both elements of tool-couple

7245308, 7245318, B21J 724, B21J 728

Patent

active

041423976

ABSTRACT:
A counterblow machine hammer, which is pneumatically operated and in which he tups are hydraulically returned and at their rear end protrude into compressed air chambers, which are interconnected and by a pressure-regulating valve are constantly connected to a compressed air system. The impact energy of the tups is controlled by the air pressure in the air chambers.

REFERENCES:
patent: 3180129 (1965-04-01), Riemenschneider
patent: 3339397 (1967-09-01), Heimel
patent: 3429174 (1969-02-01), Fracke
patent: 3707866 (1973-01-01), Brauer
patent: 3847008 (1974-11-01), Schmoll

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