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:
Jun. 10, 2014
Filed:
Jul. 26, 2011
Applicant:
Yoshinobu Goto, Nagoya, JP;
Inventor:
Yoshinobu Goto, Nagoya, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The ceramic heaterincludes the ceramic substrateand a hollow shaft. The ceramic substrateis disk-shaped, and a resistance heating elementis embedded in the ceramic substrate. The hollow shaftis attached to the center of a lower surface of the ceramic substrate. The ceramic substratehas a rail grooveto which a slide lidis attached and a guide groovethat serves as a thermocouple conduit. Moreover, a tubeis disposed outside the shaft. The tubeextends in the up-down direction and is connected to the guide groove