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. 21, 2017
Filed:
Apr. 11, 2013
Applicant:
Shinagawa Refractories Co., Ltd., Tokyo, JP;
Inventors:
Hiroyasu Niitsuma, Tokyo, JP;
Yukio Okawa, Tokyo, JP;
Hidetaka Ogino, Tokyo, JP;
Shinsuke Inoue, Tokyo, JP;
Assignee:
SHINAGAWA REFRACTORIES CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 41/50 (2006.01); B22D 11/114 (2006.01); B22D 11/103 (2006.01);
U.S. Cl.
CPC ...
B22D 11/114 (2013.01); B22D 11/103 (2013.01); B22D 41/507 (2013.01);
Abstract
A submerged nozzle for continuous casting of molten metal, wherein two or more discharge hole flow passages are provided on a cylindrical side surface of a submerged nozzle, and first and second inner surface side walls and first and second outer surface side walls of the discharge hole flow passages in a horizontal cross-section of the submerged nozzle when in use are composed by straight lines formed so as to be inflected at an inner side point of inflection and an outer side point of inflection.