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. 26, 1996
Filed:
Nov. 30, 1995
Applicant:
Inventors:
Tomonori Tsuchimoto, Hashima-gun, JP;
Katsuichi Iwata, Ichinomiya, JP;
Yoshihiko Kurashima, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429 49 ; 429104 ;
Abstract
A process for disposing of sodium sulfur cells, comprising the steps of: cross-cutting each of the cells to form an opening; setting a plurality of the cells, as one set, into a work-setting pipe unit such that the opening of each of the cells is downwardly directed; flowing down sodium from a set of the cells inside a heating oil through the opening by heating; inserting pawls of a chuck into an inner tube of each of a plurality of the cells through the opening and a bottom of the work-setting pipe unit; and extracting the inner tube from an outer tube in each of the cells.