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. 10, 2015
Filed:
Mar. 14, 2013
Applicant:
Heraeus Electro-nite International N.v., Houthalen, BE;
Inventors:
Martin Kendall, Zonhoven, BE;
Marek Grabowy, Bedziemysl, PL;
Assignee:
Heraeus Electro-Nite International N.V., Houthalen, BE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01K 1/12 (2006.01); G01K 1/10 (2006.01);
U.S. Cl.
CPC ...
G01K 1/125 (2013.01); G01K 1/105 (2013.01);
Abstract
A device for measuring the temperature in molten metals contains a thermocouple arranged in a ceramic tube that is closed on one side, and has an external protective body that surrounds the tube, forming an annular space between the outer surface of the tube and the inner surface of the protective body. The protective body is formed of a mixture containing 75 to 90% by weight aluminum oxide, 2 to 10% by weight silicon oxide, 7 to 15% by weight graphite, 0.1 to 1% by weight FeO, 0.1 to 1% by weight (KO+NaO), and 0.1 to 1% by weight MgO.