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. 11, 2014
Filed:
Aug. 16, 2012
Daisuke Matsuwaka, Kobe, JP;
Daiki Takahashi, Kobe, JP;
Hitoshi Ishida, Kobe, JP;
Hiroshi Yokoyama, Takasago, JP;
Daisuke Matsuwaka, Kobe, JP;
Daiki Takahashi, Kobe, JP;
Hitoshi Ishida, Kobe, JP;
Hiroshi Yokoyama, Takasago, JP;
Kobe Steel, Ltd., Kobe-shi, JP;
Abstract
The present invention is a method for manufacturing a titanium ingot (), the method being characterized by comprising: a step of melting a titanium alloy for a predetermined time by cold crucible induction melting (CCIM); a step of supplying molten titanium () to a cold hearth (), and separating high density inclusions (HDIs)() by precipitation in the cold hearth () while spraying a plasma jet or an electron beam onto the bath surface of the molten titanium (); and a step of supplying a molten titanium starting material from which the HDIs () are separated by precipitation to a mold () to obtain the titanium ingot.