電磁成形用インダクター - KABUSHIKI KAISHA KOBE SEIKO SHO

Title:

電磁成形用インダクター

Document Type and Number:

Japanese Patent JP4786474

Kind Code:

B2

Abstract:

To provide an inductor for forming an electromagnetic expanded tube, which has satisfactory cooling properties, excellent strength, and a high level of durability.

This inductor for the electromagnetic expanded tube is inserted into a tubular work from a front end side thereof and expands the work by electromagnetic force. The inductor comprises a conductor 1 wound in a coil form around the outer peripheral face of a shaft 10 and a coolant passage provided at a position between the conductors 1 or at a position between the conductor 1 and the shaft 10 as viewed in a cross section including the central axis of the shaft 10, for allowing the coolant to flow therethrough. The coolant passage is, for example, a coolant tube formed of a metal or an alloy and wound in a coil form by a noninductive winding manner around the outer peripheral face of the shaft 10.

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Inventors:

Mihisa Imamura
Noritaka Eguchi
Cedar Saki Takayoshi

Application Number:

JP2006234599A

Publication Date:

October 05, 2011

Filing Date:

August 30, 2006

Export Citation:

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Assignee:

KABUSHIKI KAISHA KOBE SEIKO SHO
Techno Electric Industry Co., Ltd.

International Classes:

B21D26/14

Domestic Patent References:

JP3261184A
JP2004243353A
JP2006068774A

Attorney, Agent or Firm:

Masanori Fujimaki

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