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Patent Searching and Data


Title:
STRAIGHTENING APPARATUS AND STRAIGHTENING METHOD
Document Type and Number:
Japanese Patent JP2009279606
Kind Code:
A
Abstract:

To provide a straightening apparatus and a straightening method having the excellent cooling performance, and capable of adequately keeping the distance between a weld part and a heating part and of reducing the size and the weight of the apparatus.

The straightening apparatus comprises: a heating unit 1 having a heating coil 1a for generating a heat source and a magnetic body 1b arranged in the heating coil 1a; a transformer unit 2 for generating the high frequency magnetic flux in the heating coil 1a; a cooling flow passage 3 for ejecting a cooling fluid to an object part X to be heated; and a guide wall 4 which surrounds the outer periphery of the heating unit 1 and forms a cooling space C between the heating unit 1 and the object part X. The cooling flow passage 3 is arranged inside the guide wall 4, and the guide wall 4 has a plurality of opening parts 4a for discharging the cooling fluid therefrom.


Inventors:
Ono, Norihiko
Arizono, Yoshitomo
Osada, Susumu
Kawaguchi, Hiroki
Application Number:
JP2008000133011
Publication Date:
December 03, 2009
Filing Date:
May 21, 2008
Export Citation:
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Assignee:
IHI MARINE UNITED INC
NETSUSAN HEAT KK
International Classes:
B23K31/00; B21D1/00; C21D1/42; H05B6/10; H05B6/42