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:
Jan. 12, 1982
Filed:
Dec. 15, 1978
Applicant:
Inventors:
Shyoichiro Fujimoto, Kitakyushu, JP;
Haruyuki Ueno, Munakata, JP;
Assignee:
Kurosaki Refractories Co., Ltd., Fukuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
264 56 ; 264 67 ;
Abstract
A process by which dense structure refractories that have resistance to spalling may be produced which comprises building up secondary particulates from fine and/or ultra-fine particles of primary particulate, separating the thus prepared secondary particulates, reconstituting the batch within a definite range and proportion of particle size composition, molding the thus reconstituted batch under a predetermined pressure and finally firing the above molded material is disclosed.