The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 1986
Filed:
Jul. 12, 1984
Applicant:
Inventors:
Michel Morel, Chelles, FR;
Bernard Pillac, Montrouge, FR;
Assignee:
CLECIM, Courbevoier, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72245 ; 72238 ; 72248 ; 91519 ; 91400 ;
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.