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. 17, 1998
Filed:
Nov. 13, 1996
Applicant:
Inventors:
Assignee:
NKK Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
C22C / ;
U.S. Cl.
CPC ...
148670 ; 148671 ;
Abstract
A method for manufacturing an .alpha.+.beta. type titanium alloy plate having a small anisotropy in strength by subjecting an .alpha.+.beta. type titanium alloy slab to a hot-rolling, which comprises: the hot-rolling comprising a cross-rolling which comprises a hot-rolling in a L-direction and a hot-rolling in a C-direction, the L-direction being a final rolling direction in the hot-rolling and the C-direction being a direction at right angles to the L-direction; and controlling the cross-rolling so that a value of an overall cross ratio of rolling (CR.sub.total) determined by means of the following formula is kept within a range of from 0.5 to 2.0: