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:
Aug. 28, 2001
Filed:
Jun. 16, 2000
Applicant:
Inventors:
Kenzo Takeda, Toyonaka, JP;
Kunihiko Shiraishi, Toyota, JP;
Fumiyuki Inoue, Toyota, JP;
Norio Honda, Toyota, JP;
Assignee:
Nippon Crucible Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22D 7/10 ; C04B 3/566 ;
U.S. Cl.
CPC ...
B22D 7/10 ; C04B 3/566 ;
Abstract
Disclosed is a taphole plugging composition for metal melting apparatus, the composition comprising (a) a refractory aggregate having a maximum particle size of 5 mm or less, (b) graphite and silicon nitride each having a maximum particle size of 0.2 mm or less, (c) a refractory clay, (d) a compatibilized binder mixture comprising a phenolic resin, a ketone compound and a pitch, and (e) an organic fine fiber.