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:
Jun. 14, 1977
Filed:
Jan. 02, 1974
Shigeo Mitsui, Ebetsu, JA;
Tomiyasu Araki, Sapporo, JA;
Kazuhiko Niikawa, Sapporo, JA;
Hideo Hosoda, Sapporo, JA;
Yoshio Jyo, Yokohama, JA;
Ryuichiro Yoda, Yokohama, JA;
Giichi Suzuki, Kudamatsu, JA;
Takasi Iijima, Yokohama, JA;
Hiroshi Tanaka, Yokohama, JA;
Yasutaka Ochiai, Yokohama, JA;
Takashi Ise, Yokohama, JA;
Agency of Industrial Science & Technology, Tokyo, JA;
Nippon Zeon Co., Ltd., Tokyo, JA;
Japan Gasoline Co., Ltd., Tokyo, JA;
Abstract
A process for the dry distillation of used rubber in a fluidized bed-forming oven comprises heating used rubber under agitation in the presence of solid particles to temperatures sufficient to make the rubber pulverized and further heating the thus-obtained rubber particles to temperatures sufficient to pyrolyze the rubber particles while forming a fluidized bed thereof and burning a part thereof in the stream of an oxygen-containing fluidizing gas.