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:
May. 01, 1990
Filed:
Apr. 22, 1988
Daniel R Springs, Martindale, TX (US);
Jesse Hinojosa, San Marcos, TX (US);
Thermon Manufacturing Company, San Marcos, TX (US);
Abstract
A flexible heating cable and method using positive temperature coefficient conductive (PTC) polymeric material as the primary heat source with the PTC composition material being electrically and mechanically connected to substantially flat, preferably braided, electrical conductors. A covering of dielectric material preferably is used to electrically separate the cable from the environment. The cable construction improves the heat transfer from the PTC composition material to the environment, thereby increasing the power generated by the PTC composition material. Additionally, the cable construction improves the temperature distribution of the cable.