Patent · US Expired

Electric furnace assembly

US6125134A · kind A · utility

9Cited by

7References

19Claims

0Family size

Assignee

Kanthal AB · SE

Inventors

Bo Jönsson · Hagfors, SE
Thomas Lewin · Hallstahammar, SE
Jonas Magnusson · Stockholm, SE

Key dates

Filing date	Jun 30, 1999
Grant date	Sep 26, 2000
Priority date	—
Expiry date	Jun 30, 2019

Classification

Technology area (CPC H)Electricity
CPC primaryH05B3/66
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

An electric furnace assembly includes an elongated metallic resistor element, which is supported adjacent to a furnace wall. The resistor element is bent back and forth in its longitudinal direction and is retained by fixed holding member at positions located furthest away from the furnace wall so as to permit a controlled elongation of the resistor element.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.