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:
Dec. 30, 1997
Filed:
Jun. 14, 1996
Applicant:
Inventors:
Yasuo Ohtani, Yokohama, JP;
Takuo Kataho, Akita-ken, JP;
Makoto Satoh, Akita-ken, JP;
Tsutomu Tanaka, Chiba, JP;
Yoshimasa Nose, Funabashi, JP;
Kazuyoshi Kobayashi, Akita-ken, JP;
Tetsuhide Uchikawa, Shizuoka-ken, JP;
Toshihiro Hamahata, Sakura, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
373109 ; 373111 ; 219406 ; 432 34 ; 432175 ;
Abstract
A calcination furnace capable of variably setting calcination conditions such as a size of a calcination chamber, a temperature, a temperature distribution and flowing of gas in the calcination chamber; and the like depending on calcined intermediate products. A furnace body in which a furnace chamber is defined includes two movable sections, which are moved in predetermined directions, to thereby vary an internal volume of the furnace chamber as desired.