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:
Nov. 10, 2015
Filed:
Feb. 10, 2012
Eri Tateno, Tokyo, JP;
Masatoshi Kaneta, Tokyo, JP;
Toshihiko Fukuzono, Tokyo, JP;
Haruhiko Watanabe, Tokyo, JP;
Eri Tateno, Tokyo, JP;
Masatoshi Kaneta, Tokyo, JP;
Toshihiko Fukuzono, Tokyo, JP;
Haruhiko Watanabe, Tokyo, JP;
ASAHI KASEI CHEMICALS CORPORATION, Tokyo, JP;
Abstract
Disclosed is a calcination apparatus, including: a calcination tube having open ends at both terminals; a pair of hoods, each hood covering each open end of the calcination tube; and a pair of rings, each ring sealing a gap between the calcination tube and the hood, wherein the rings are directly or indirectly fixed on an outer surface of the calcination tube; a groove is provided along a circumferential direction of the ring at a contact surface side between the ring and the hood; a sealed chamber surrounded by the hood and the groove is formed; and both the calcination tube and the rings rotate in a circumferential direction of the calcination tube while keeping the hood in contact with both sides of the groove.