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:
May. 30, 1989
Filed:
Jun. 16, 1988
Applicant:
Inventors:
Susumu Kanbara, Kitakyusyu, JP;
Kenji Aihara, Kitakyusyu, JP;
Masato Tomiku, Kitakyusyu, JP;
Yoshio Kawashima, Kitakyusyu, JP;
Tadashi Sawada, Kitakyusyu, JP;
Shinji Okuda, Kitakyusyu, JP;
Mitsuaki Ikeda, Kitakyusyu, JP;
Assignee:
Sumitomo Metal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ; C21D / ; B21B / ;
U.S. Cl.
CPC ...
266105 ; 72202 ; 266262 ; 266277 ; 148 / ;
Abstract
Direct softening heat treatment of rolled wire rods comprises the steps: