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:
May. 01, 1990
Filed:
May. 31, 1988
Applicant:
Inventors:
Akihiko Yoshida, Osaka, JP;
Atsushi Nishino, Osaka, JP;
Ichiro Tanahashi, Osaka, JP;
Yasuhiro Takeuchi, Osaka, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
4234476 ; 4234471 ; 4234472 ; 4234478 ; 423460 ; 264 292 ;
Abstract
A vertical apparatus for continuously carbonizing and activating various types of fiber materials. The apparatus comprising a chamber having openings at upper and lower portions thereof, at least one port through which an activating gas is passed for activation of the fiber material and a heater for keeping the temperature in the chamber, a means for vertically passing the fiber material in a continuous manner for the carbonization and activation, and a means for supplying the activating gas into the chamber. A method for continuously carbonizing and activating fiber materials in an efficient manner is also described.