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:
Oct. 21, 2008
Filed:
Mar. 08, 2004
Mitsuma Matsuda, Kagawa, JP;
Masafumi Sedou, Hyougo, JP;
Mitsuma Matsuda, Kagawa, JP;
Masafumi Sedou, Hyougo, JP;
Koyo Seiko Co. Ltd., Osaka, JP;
Abstract
With the object of effective utilization of a fine powder generated during comminution of a crude material for iron manufacture, a briquette is provided which comprises a porous brittle molded body with a bulk specific gravity of 1.5 or more which is obtained by compression molding a molding composition comprising a fine powder generated during comminution of a crude material for iron manufacture and a reinforcing portion for reinforcing the brittle molded body. Further, with the object of effective reuse of used alumina grinding stones, a briquette is provided which comprises a porous brittle molded body obtained by compression molding a molding composition comprising a comminuted powder of a used alumina grinding stone and a cotton-like aggregate comprising a grinding powder of a ferrous metal and a grinding liquid, and a reinforcing portion for reinforcing the brittle molded body.