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:
Nov. 13, 2012
Filed:
Mar. 13, 2006
Kiyoshi Furushima, Kitakyushu, JP;
Shunji Matsumoto, Kitakyushu, JP;
Ryota Honda, Kitakyushu, JP;
Kiyoshi Hayashi, Kitakyushu, JP;
Takashi Honda, Kitakyushu, JP;
Masatsugu Uchida, Kitakyushu, JP;
Seiji Oyama, Kitakyushu, JP;
Takuya Osue, Kitakyushu, JP;
Kiyoshi Furushima, Kitakyushu, JP;
Shunji Matsumoto, Kitakyushu, JP;
Ryota Honda, Kitakyushu, JP;
Kiyoshi Hayashi, Kitakyushu, JP;
Takashi Honda, Kitakyushu, JP;
Masatsugu Uchida, Kitakyushu, JP;
Seiji Oyama, Kitakyushu, JP;
Takuya Osue, Kitakyushu, JP;
Hitachi Metals, Ltd., Tokyo, JP;
Abstract
A centrifugally cast composite roll comprising an outer layer having a composition comprising by mass 2.5-9% of C, 0.1-3.5% of Si, 0.1-3.5% of Mn, and 11-40% of V, the balance being Fe and inevitable impurities; an intermediate layer made of a high-speed steel alloy, which is formed inside the outer layer; and an inner layer made of cast iron or steel, which is formed inside the intermediate layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile