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:
Feb. 22, 2011
Filed:
Oct. 05, 2006
Applicants:
Brian Cooper, Sheffield, GB;
Shaun Tyas, Barnsley, GB;
Inventors:
Brian Cooper, Sheffield, GB;
Shaun Tyas, Barnsley, GB;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21B 13/02 (2006.01); B21B 27/02 (2006.01); C22C 38/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to the design of multiple piece rolls, in particular backup rolls, for the use in metal rolling. The roll comprises a main part with a center bore for the removal of center defects or flaws arising from the manufacturing process, e.g., from casing or forging and at least an end part, whereas the end part has no center bore or a center bore with a diameter smaller than the bore diameter of the main part.