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:
Oct. 29, 1991
Filed:
Oct. 13, 1989
Applicant:
Inventor:
Hiroshi Kagechika, Tokyo, JP;
Assignee:
NKK Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
392432 ; 219553 ;
Abstract
An infrared radiator which comprises: a substrate, at least one surface portion of which has an electric insulation property; a metal film, as a resistance heating element, formed on the at least one surface portion of the substrate; and infrared radiating particles, e.g. ZRO.sub.2, Al.sub.2 O.sub.3 and SiO.sub.2, uniformly dispersed throughout the metal film.