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:
Dec. 07, 2021
Filed:
Jan. 19, 2018
Applicant:
Krosakiharima Corporation, Fukuoka, JP;
Inventors:
Assignee:
KROSAKIHARIMA CORPORATION, Fukuoka, JP;
Primary Examiner:
Int. Cl.
CPC ...
B22D 11/10 (2006.01); C04B 35/101 (2006.01); B22D 41/32 (2006.01);
U.S. Cl.
CPC ...
C04B 35/101 (2013.01); B22D 11/10 (2013.01); B22D 41/32 (2013.01);
Abstract
Disclosed is a refractory product for casting of steel, which is capable of forming a dense surface layer which is high in terms of a slag infiltration suppressing ability and strong, in a surface region thereof efficiently or sufficiently or in an optimum state. The refractory product contains 1 mass % or more of free carbon, and 2 mass % to 15 mass % of an aluminum component as metal, with the remainder comprising a refractory material as a main composition, wherein the refractory product has a permeability of 1×10mto 15×10m.