Title:
電気炉用インサート
Document Type and Number:
Japanese Patent JP5379024
Kind Code:
B2
Abstract:
An insert intended for electrical furnaces and of the type that includes an insulating shell having an outside and an inside having a rotationally symmetrical, e.g., cylindrical shape, and a heater element that is arranged inside the insulating shell and extends several turns in a continuous loop having an overall shape corresponding to the rotationally symmetrical shape of the insulating shell. The continuous loop includes spaced-apart bends, which divide the same into individual sections of limited length to which occurring thermal expansion is isolated locally. In an exemplary embodiment, the bends are U-shaped to impart to the continuous loop a meander shape. Another exemplary embodiment relates to a heater element.
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Inventors:
Levin, Thomas
Application Number:
JP2009552632A
Publication Date:
December 25, 2013
Filing Date:
January 02, 2008
Export Citation:
Assignee:
Sandvik Intellectual Property Actie Borag
International Classes:
H01L21/22; F27D11/02; H05B3/06; H05B3/64; H05B3/66
Domestic Patent References:
| JP62144333A | ||||
| JP2001313153A | ||||
| JP63285925A | ||||
| JP2000310490A | ||||
| JP4024488A | ||||
| JP61195044U | ||||
| JP7058046A |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Kazuyoshi Ohira
Yasushi Ohashi
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Kazuyoshi Ohira
Yasushi Ohashi