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. 02, 1982
Filed:
Sep. 02, 1981
Applicant:
Inventors:
Assignee:
Kyoto Ceramic Kabushiki Kaisha, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
219544 ; 1231 / ; 219270 ; 219553 ; 361266 ;
Abstract
This disclosure relates to a ceramic heater excellent in thermal shock resistance, high temperature resisting property, and free from change in resistance value even in the repeated use of the heater at high temperatures. The heater comprises a heat resisting element of high melting-point metal embedded in a ceramic body of nonoxide selected from a group consisting of silicon nitride, sialon, aluminium nitride and silicon carbide.