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:
Feb. 14, 1978
Filed:
Sep. 29, 1976
Yoshio Kiritani, Osaka, JA;
Michio Tsuyuguchi, Wakayama, JA;
Tetsuo Ibaragi, Wakayama, JA;
Katsuhiro Yano, Wakayama, JA;
Yoshihiko Sunami, Amagasaki, JA;
Kunihiko Nishioka, Amagasaki, JA;
Sumitomo Metal Industries Limited, Osaka, JA;
Sumikin Coke Company Limited, Wakayama, JA;
Abstract
A process for preparing a briquette is disclosed. The process comprises a coal with a caking substance having a softening point of 20.degree.-40.degree. C. or with a caking substance having a softening point of above 40.degree. C. and a solvent which has fluidity at normal temperature and is compatible with the caking substance to a coal for making briquettes, powerfully mixing at a temperature of above 10.degree. C., preferably of 20.degree.-50.degree. C., for 1-10 minutes, by using a mixer provided with a mixing tool which is rotated at a speed of more than 5m/sec. peripheral velocity and/or a mixer provided with a mixing tool which applies a pressure of more than 45kg/cm.sup.2 ; and briquetting by using a roll press, whereby a briquette is obtained having a shutter strength of more than 80 and a trommel strength of more than 90.