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:
Mar. 23, 1982
Filed:
Mar. 07, 1980
Yoshihisa Miyahara, Yokohama, JP;
Kimimasa Kobayashi, Kumagaya, JP;
Yawara Kobayashi, Hanyu, JP;
Tsuneo Harada, Kumagaya, JP;
Nichias Corporation, Tokyo, JP;
Riken Corporation, Tokyo, JP;
Abstract
An improved electrical heating molded-element or unit in which a heating wire is embedded or confined in one side of a fibrous layer formed by molding inorganic fibers into a given thickness, characterized in that a portion of said element or unit in the vicinity of the embedded heating wire is treated to provide a zone in which the density, heat conductivity and fire resistance are greater than those of the remainder. With this electrical heating molded-element or unit, it is possible to extract effectively the amount of heat generated by heating wire. This element or unit can be used over an extended period of time with safety but without causing local disintegration thereof owing to the expansion or contraction of the heating wire.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile