Title:
STEEL PIPE PILE
Document Type and Number:
WIPO Patent Application WO/2011/090055
Kind Code:
A1
Abstract:
This steel pipe pile is used as a foundation pile for a structure, and is provided with a cylindrically shaped principal steel pipe which has a cavity in the inside; and an internal circumferential steel pipe which has a cavity in the inside, is provided on the inner surface of the tip section of the principal steel pipe, and is disposed in such a way as to protrude from said tip section of said principal steel pipe. The inside diameter of the principal steel pipe is larger than the inside diameter of the internal circumferential steel pipe.
Inventors:
NISHIUMI Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
西海 健二 (〒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)
ISHIHAMA Yoshiroh (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
西海 健二 (〒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)
ISHIHAMA Yoshiroh (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
Application Number:
JP2011/050825
Publication Date:
July 28, 2011
Filing Date:
January 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)
NISHIUMI Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
西海 健二 (〒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)
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)
NISHIUMI Kenji (6-1 Marunouchi 2-chome, Chiyoda-k, Tokyo 71, 〒1008071, JP)
西海 健二 (〒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)
International Classes:
E02D5/28
Attorney, Agent or Firm:
SHIGA Masatake et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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