ELECTRIC HEATER FOR THERMAL TREATMENT FURNACE

Title:

ELECTRIC HEATER FOR THERMAL TREATMENT FURNACE

Document Type and Number:

WIPO Patent Application WO/2003/078910

Kind Code:

A1

Abstract:

An electric heater includes a metal line heating element (12) mounted on an inner circumferential surface of a cylindrical main adiabatic body (11). The heating element (12) consists of a plurality of resistance heating blocks (61 to 64,71 to 74, 81 to 84), arranged in the length direction. The resistance heating blocks (61 to 64, 71 to 74, 81 to 84) are connected parallel to each other.

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Inventors:

UEMORI SUSUMU (JP)
AITANI TAKASHI (JP)

Application Number:

PCT/JP2002/002572

Publication Date:

September 25, 2003

Filing Date:

March 19, 2002

Export Citation:

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Assignee:

KOYO THERMO SYS CO LTD (JP)
UEMORI SUSUMU (JP)
AITANI TAKASHI (JP)

International Classes:

F27D11/02; H01L21/00; H01L21/22; H05B3/62; H05B3/64; H05B3/66; H05B6/64; F27D1/00; F27D1/04; F27D99/00; (IPC1-7): F27D11/02; H01L21/22; H05B3/62

Foreign References:

JP2001267261A	2001-09-28
JPS59177890A	1984-10-08
JPH1050464A	1998-02-20
US5507639A	1996-04-16

Attorney, Agent or Firm:

Kishimoto, Einosuke c/o KISHIMOTO & CO. (3rd Floor Inaba Building, 13-18, Nishishinsaibashi 1-chome, Chuo-k, Osaka-shi Osaka, JP)

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