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:
Dec. 31, 1991
Filed:
Dec. 29, 1988
Applicant:
Inventors:
Assignee:
Toshiba Ceramics Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25C / ; C25B / ;
U.S. Cl.
CPC ...
204241 ; 2042 / ; 204246 ; 204272 ; 204286 ; 204294 ; 2042 / ;
Abstract
An electrolysis apparatus has a furnace for setting a silica glass component such as a process tube or crucible, a heater for heating the component, a sensor for measuring a temperature of an inside portion of the furnace, an anode and an cathode for applying a voltage across the component so as to electrolyze the component, a tube for holding the anode, a device for supplying an inert gas into a space between the anode and the holding tube, and a DC power source connected to the anode and the cathode.