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Title:
INDUCTION HEATING COIL AND INDUCTION HEATING METHOD
Document Type and Number:
WIPO Patent Application WO/2015/093621
Kind Code:
A3
Abstract:
To heat a workpiece having a recess portion provided along a longitudinal axis of the workpiece, the workpiece is inserted into an induction heating coil, and the induction heating coil or the workpiece is along an axial direction of the workpiece. The induction heating coil has a conductor configured to surround the workpiece around the axis of the workpiece. The conductor has a protruding portion protruding inwardly to face the recess portion of the workpiece.

Inventors:
INABA HIROKAZU (JP)
KIYOSAWA YUTAKA (JP)
Application Number:
PCT/JP2014/084202
Publication Date:
August 13, 2015
Filing Date:
December 17, 2014
Export Citation:
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Assignee:
NETUREN CO LTD (JP)
International Classes:
C21D1/10; C21D9/08; C21D1/42
Foreign References:
US4394194A1983-07-19
US20050006828A12005-01-13
EP1702993A12006-09-20
US20070000916A12007-01-04
CH476543A1969-08-15
JP2002047515A2002-02-15
JP2000087135A2000-03-28
JPS609820A1985-01-18
EP2657110A12013-10-30
Attorney, Agent or Firm:
TAKAMATSU, Takeshi et al. (Toranomon East Bldg. 9F 7-13, Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, JP)
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