Title:
METHOD FOR PRESS-FORMING L-SHAPED COMPONENTS
Document Type and Number:
WIPO Patent Application WO/2011/145679
Kind Code:
A1
Abstract:
Disclosed is a method for forming, from a sheet metal material, an L-shaped pressed component that has: a top section; and a vertical wall section that connects to the top section, via a bent section that has a region that is curved in an arc shape, and has a flange section on the opposite side from the bent section. The vertical wall section becomes the top section outside the arc. In the disclosed method, the sheet metal material is disposed between: a die; and a pad and a bending template. The aforementioned vertical wall section and flange section are formed while at least part of the sheet metal material is slid over the part of the die corresponding to the aforementioned top section with the pad near or in contact with the sheet metal material.
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Inventors:
TANAKA Yasuharu (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
田中 康治 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
MIYAGI Takashi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
宮城 隆司 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
田中 康治 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
MIYAGI Takashi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
宮城 隆司 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
Application Number:
JP2011/061504
Publication Date:
November 24, 2011
Filing Date:
May 19, 2011
Export Citation:
Assignee:
NIPPON STEEL CORPORATION (6-1 Marunouchi 2-chome, Chiyoda-ku Tokyo, 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目６番１号 Tokyo, 〒1008071, JP)
TANAKA Yasuharu (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
田中 康治 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
MIYAGI Takashi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
新日本製鐵株式会社 (〒71 東京都千代田区丸の内二丁目６番１号 Tokyo, 〒1008071, JP)
TANAKA Yasuharu (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
田中 康治 (〒71 東京都千代田区丸の内二丁目６番１号 新日本製鐵株式会社内 Tokyo, 〒1008071, JP)
MIYAGI Takashi (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
International Classes:
B21D22/21; B21D22/20; B21D22/26; B21D53/88
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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Claims: