INDUCTIVE HEATING DEVICE FOR METAL STRIP - NIPPON STEEL & SUMITOMO METAL CORP

Title:

INDUCTIVE HEATING DEVICE FOR METAL STRIP

Document Type and Number:

WIPO Patent Application WO/2016/035867

Kind Code:

A1

Abstract:

　An inductive heating device for a metal strip, provided with: an induction coil provided on one or both sides, in the plate thickness direction, of a metal strip travelling in the longitudinal direction, the induction coil forming, in the metal strip, an induction current forming a closed loop as viewed from the plate thickness direction of the metal strip when a primary current is passed through the induction coil; a plurality of magnetic cores arranged at prescribed positions facing each other in the plate thickness direction of the metal strip so as to be set apart by a prescribed distance from the metal strip, whereby the magnetic cores concentrate the magnetic flux generated by the induction coil; and a movement mechanism linked to the magnetic cores, the movement mechanism moving the magnetic cores to increase/decrease the number of magnetic cores arranged in the plate width direction of the metal strip at the prescribed positions.

Inventors:

TAIRA MASATO (JP)
HIROTA YOSHIAKI (JP)
ITOH TAKEO (JP)

Application Number:

PCT/JP2015/075133

Publication Date:

March 10, 2016

Filing Date:

September 03, 2015

Export Citation:

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Assignee:

NIPPON STEEL & SUMITOMO METAL CORP (JP)

International Classes:

H05B6/10; C21D1/00; C21D1/42; F27B9/36; F27D11/06; H05B6/36

Foreign References:

JP2008204648A	2008-09-04
JP2001032016A	2001-02-06
JP2008288200A	2008-11-27
JP2006294396A	2006-10-26
JP2004296368A	2004-10-21
JP2009259588A	2009-11-05
JP2002008838A	2002-01-11
JP2007095651A	2007-04-12

Other References: