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:
Dec. 10, 2002
Filed:
Apr. 24, 2000
Applicant:
Inventors:
Carl-Johan Maderud, Stockholm, SE;
Jan-Erik Karlsson, Tyresö, SE;
Assignee:
Sandvik AB, , SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K 1/02 ;
U.S. Cl.
CPC ...
B21K 1/02 ;
Abstract
A method of manufacturing an as-cast composite roll by metallurgically bonding one or more rings of cemented carbide to a cast iron casing. The composite roll may be used for hot or cold rolling. The cast iron has the following composition in addition to Fe, in weight %, 1.9-2.8% Si, 0.02-0.10% Mg, 0.5-4% Ni, 0.1-1% Mn, balance Fe and a C =2.5-6.