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. 29, 2014
Filed:
Feb. 08, 2010
Kazuhiro Takahashi, Tokyo, JP;
Tomonori Kunieda, Tokyo, JP;
Kenichi Mori, Tokyo, JP;
Hiroaki Otsuka, Tokyo, JP;
Hideki Fujii, Tokyo, JP;
Yoshimasa Miyazaki, Tokyo, JP;
Takashi Oda, Chigasaki, JP;
Hisamune Tanaka, Chigasaki, JP;
Osamu Tada, Chigasaki, JP;
Norio Yamamoto, Chigasaki, JP;
Kazuhiro Takahashi, Tokyo, JP;
Tomonori Kunieda, Tokyo, JP;
Kenichi Mori, Tokyo, JP;
Hiroaki Otsuka, Tokyo, JP;
Hideki Fujii, Tokyo, JP;
Yoshimasa Miyazaki, Tokyo, JP;
Takashi Oda, Chigasaki, JP;
Hisamune Tanaka, Chigasaki, JP;
Osamu Tada, Chigasaki, JP;
Norio Yamamoto, Chigasaki, JP;
Nippon Steel & Sumitomo Metal Corporation, Tokyo, JP;
Toho Titanium Co., Ltd., Kanagawa, JP;
Abstract
The present invention provides a titanium material for hot rolling which enables reduction of defects on the surface (in the case of a flat material or strip coil, including not only the flat surfaces but also the side surfaces and edges) due to hot rolling. The titanium material for hot rolling has dimples imparted by cold plastic deformation whose mean value of the heights (Wc) of the undulation profile elements is 0.2 to 1.5 mm and mean value of the lengths (WSm) thereof is 3 to 15 mm. The invention also provides a method of producing the titanium material and a method of hot rolling the titanium material.