ENERGIZATION HEATING METHOD AND ENERGIZATION HEATING DEVICE

WIPO Patent Application WO/2011/045845

A1

Provided is a technique in which blanks in different shapes are uniformly heated using energization heating. An energization heating step (S1) is a method for heating a blank (1) by connecting a pair of electrodes (10, 10) to two different end parts of the blank (1) so as to energize the electrode pair (10, 10), wherein the blank (1) is provided with void parts (notches (4, 4), a hole (5)) provided in a direction approximately perpendicular to the equipotential line generated between the electrode pair (10, 10), and current passages (current passages (20, 20)) are arranged in the direction approximately perpendicular to the equipotential line generated between the electrode pair (10, 10) within the regions spaced by the void parts (4, 4, 5) in the blank (1). The notches (4, 4) are formed with the end parts of the blank (1) as open parts, the hole (5) is provided to the inside of the blank (1), and the reverse side of the side on which the current passages (20, 20) arranged in the notches (4, 4) are connected to the blank (1) is connected to the electrodes (10, 10).

MATSUMOTO, Shin'ichiroh (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)
松本慎一郎 (〒71 愛知県豊田市トヨタ町１番地トヨタ自動車株式会社内 Aichi, 〒4718571, JP)

JP2009/005412

April 21, 2011

October 16, 2009

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TOYOTA JIDOSHA KABUSHIKI KAISHA (1 Toyota-cho, Toyota-shi Aichi, 71, 〒4718571, JP)
トヨタ自動車株式会社 (〒71 愛知県豊田市トヨタ町１番地 Aichi, 〒4718571, JP)
MATSUMOTO, Shin'ichiroh (1 Toyota-cho, Toyota-sh, Aichi 71, 〒4718571, JP)

C21D1/40; B21D24/00; H05B3/00

YANO, Juichiro (YANO INTERNATIONAL PATENT OFFICE, Twin 21 MID Tower 34th Floor 1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 34, 〒5406134, JP)

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