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:
Jul. 15, 1986
Filed:
Jul. 05, 1985
Applicant:
Inventors:
Vladimir B Ginzburg, Pittsburgh, PA (US);
Remn M Guo, Monroeville, PA (US);
Assignee:
Wean United, Inc., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21B / ; B21B / ;
U.S. Cl.
CPC ...
72234 ; 72199 ; 72241 ;
Abstract
A tandem rolling mill having a plurality of stands with each stand having a pair of work rolls and a pair of backup rolls. A downstream roll stand has work rolls of reduced diameter and backup rolls of increased diameter with respect to an upstream stand preferably at least a major number of downstream stands have reduced diameter work rolls and enlarged diameter work rolls with respect to an upstream stand. The center-to-center spacing between work rolls and backup rolls decreases in a downstream direction and the length of the rolls increases from stand-to-stand in a downstream direction.