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:
Sep. 22, 2015
Filed:
Jan. 02, 2008
Applicant:
Thomas Lewin, Hallstahammar, SE;
Inventor:
Thomas Lewin, Hallstahammar, SE;
Assignee:
Sandvik Intellectual Property AB, Sandviken, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F24C 7/06 (2006.01); B01J 3/06 (2006.01); H05B 3/66 (2006.01); F27D 99/00 (2010.01);
U.S. Cl.
CPC ...
H05B 3/66 (2013.01); F27D 99/0006 (2013.01); F27D 2099/0008 (2013.01); H05B 2203/018 (2013.01);
Abstract
Insert for electrical furnaces comprising an insulating shell and a coiled heater element, the heater element comprising element wire that consists of at least two sections that are interconnected via a bend of element wire in such a way that the bend and the sections mutually form a loop of element wire. A fastening member is fixedly anchored in the insulating shell and arranged in the area of the bend in such a way that the element wire in a section directly connected to the bend is prevented from expanding past the fastening member.