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:
Feb. 27, 1979
Filed:
Mar. 02, 1978
Applicant:
Inventors:
Takao Kawawa, Fukuyama, JP;
Ryoichiro Imai, Fukuyama, JP;
Hisami Tokunaga, Fukuyama, JP;
Yutaka Nakano, Funabashi, JP;
Naoaki Sasaki, Tokyo, JP;
Assignees:
Nippon Kokan Kabushiki Kaisha, Tokyo, JP;
Osaka Oxygen Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
2041 / ;
Abstract
There is disclosed an improved electrical contact structure between a solid electrolyte galvanic cell and a powder reference material for detecting the oxygen content of molten metals. The solid electrolyte galvanic cell has a portion embedded in the powder reference material and the portion is irregularly shaped so as to increase the contact area and strength of the joint between the embedded portion and the powder reference material.