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. 01, 1988
Filed:
Dec. 05, 1986
Noriaki Sasaki, Ibaragi, JP;
Hiroshi Igarashi, Ibaragi, JP;
Noboru Endo, Ibaragi, JP;
Katsumi Inada, Kusatsu, JP;
Toshio Nakamura, Otsu, JP;
Hirokazu Takeuchi, Kusatsu, JP;
Doryoku Kaunenryo Kaihatsu Jigyodan, Tokyo, JP;
Nippon Denki Garasu Kabushiki Kaisha, Shiga, JP;
Abstract
An electric melting furnace for glassifying high-radioactive waste characterized in that, in a furnace for melting glass containing platinum-group elements which has an outlet of glass at the bottom part of a melting tank, the bottom of the furnace surrounding the outlet has an inclination of more than 30.degree. and not more than 70.degree. with respect to the horizontal plane toward the cullet, and the distance l.sub.1 between a surface-inside opening part of the outlet and bottom ends of at least a pair of electrodes (3a, 3b) for supplying most of power required for glass melting is a half or more, but not exceeding, of the distance (l.sub.2) between the electrodes (3a, 3b).