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:
Apr. 21, 1987
Filed:
Mar. 13, 1986
Applicant:
Inventors:
Assignee:
Sumitomo Metal Industries, Ltc., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B / ;
U.S. Cl.
CPC ...
72234 ;
Abstract
A tandem mill has a plurality of stands and has at each stand one mill suitably selected from a common four-high mill, a sleeve sliding mill, an intermediate back-up roll shifting mill, and a sleeve expanding mill.