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:
Mar. 22, 1983
Filed:
Jul. 30, 1981
Applicant:
Inventors:
Mitsuo Nomura, Kimitsu, JP;
Shigeru Amano, Kisarazu, JP;
Sho Okubo, Kisarazu, JP;
Takuo Hosaka, Toyota, JP;
Kunihiko Shiraishi, Toyota, JP;
Ryuzi Adachi, Toyota, JP;
Assignees:
Nippon Steel Corporation, both of, JP;
Nippon Crucible Company, Ltd., both of, JP;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 76 ; 106 84 ;
Abstract
A refractory composition for flow casting consists essentially of 100 parts by weight of refractory material, 0.1 to 2 parts by weight of sparingly water-soluble aluminum tripolyphosphate, 0.2 to 3 parts by weight of alkali metal silicate, 0.5 to 5 parts by weight of clay, up to 2/5 part by weight of organic binder per amount of clay, and 0.2 to 4 parts by weight of at least one hardening promoting reagent selected from the group consisting of calcium silicate and calcium aluminate.