Hydraulic safety device for a mechanism for closing up the rolls

Details Hydraulic safety device for a mechanism for closing up the rolls Hydraulic safety device for a mechanism for closing up the rolls

1984-07-12

1986-03-25

Larson, Lowell A.

Metal deforming

By use of roller or roller-like tool-element

With carrier for roller-couple or tool-couple

72238, 72248, 91519, 91400, B21B 3132

Patent

active

045774846

ABSTRACT:
Hydraulic safety device for the mechanism for closing up the rolls of a rolling mill, comprising an hydraulic safety valve (20) which is accommodated directly inside the jack (1) for closing up the mill rolls and which automatically reduces the pressure of the fluid in the control chamber (12) as soon as the stroke of the body (11) of the jack reaches a predetermined limiting position.

REFERENCES:
patent: 3736782 (1973-06-01), Fujino et al.
patent: 4367763 (1983-01-01), Brand

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