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. 01, 1984
Filed:
Nov. 30, 1982
Applicant:
Inventors:
Tetsuya Saito, Aichi, JP;
Hiroshi Mori, Aichi, JP;
Assignee:
Daido Tokushuko Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C21C / ;
U.S. Cl.
CPC ...
75 59 ; 75 60 ;
Abstract
An improved method of refining molten steel is disclosed. Inert gas such as argon is injected into the molten steel in a refining vessel through tuyeres at the bottom and blown through a lance from the top of the vessel. The method is particularly useful for producing steel of very low oxygen content.
Saito, Tetsuya. (1984). Method of refining molten steel (U.S. Patent No. 4445933). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4445933
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile