Title:
放射チューブを含む電気加熱要素
Document Type and Number:
Japanese Patent JP4728233
Kind Code:
B2
Abstract:
An electric heating element with radiant tube comprising a radiation pipe (1) and an electric heating element (2, 3) contained in said pipe, wherein the heating element has legs that run to and fro in the pipe, and wherein the heating element is connected at one end of the pipe close to a furnace wall with electric power outlets through which electric current is fed to the element, wherein the element is supported in the pipe by ceramic discs (9) that are provided with through-penetrating holes through which the legs of the elements extend, and wherein two elements (2, 3) are disposed sequentially in said radiation pipe along its long axis.
Inventors:
Levin, Thomas
Application Number:
JP2006518585A
Publication Date:
July 20, 2011
Filing Date:
June 29, 2004
Export Citation:
Assignee:
Sandvik Intellectual Property Actie Borag
International Classes:
H05B3/64; F27D11/02; H05B3/06; H05B3/44
Domestic Patent References:
| JP55132997A | ||||
| JP63004094U | ||||
| JP61066891U | ||||
| JP59103394U | ||||
| JP56085395U |
Foreign References:
| US2372212 | ||||
| US4179603 |
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Masaya Nishiyama
Jun Tsuruta
Tetsuro Shimada
Shinozaki Masami
Masaya Nishiyama