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:
Dec. 09, 1980
Filed:
Mar. 14, 1979
Applicant:
Inventor:
Martin Burstrom, Robertsfors, SE;
Assignee:
ASEA Aktiebolag, Vesteras, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
13 25 ; 338282 ; 338286 ; 338294 ; 338298 ;
Abstract
The present invention relates to a heater, primarily for pressure furnaces for extremely high temperatures for isostatic compression. The resistance elements of the heater are arranged between two metal rings at different levels which are supported by conductors. The resistance elements comprise two groups of wires arranged in a righthand and a lefthand spiral, respectively. The wires are joined together at the intersection points by means of lashing.