Title:
STEPPED CONCRETE PIN
Document Type and Number:
WIPO Patent Application WO/2008/056695
Kind Code:
A1
Abstract:
A stepped concrete pin has a head part and a shaft part extending downward from
the lower surface of the head part. The shaft part has a first shaft part extending
downward from the head part and having a constant diameter downward, a tapered
part extending downward from the lower end of the first shaft part and gradually
reduced in diameter downward, a second shaft part extending downward from the
lower end of the tapered part and having a constant diameter smaller than the diameter
of the first shaft part, and an end part extending downward from the lower end of
the second shaft part and gradually reduced in diameter downward. Knurled grooves
are formed in the outer surface of the first shaft part. Instead of forming the
knurled grooves, a chemical with adhesiveness may be applied to at least a part
of the shaft part.
Inventors:
HIRANUMA TOSHIO
BAN TAKANORI
HOUJYOU TAKAO
KOBAYASHI KUNITAKA
BAN TAKANORI
HOUJYOU TAKAO
KOBAYASHI KUNITAKA
Application Number:
PCT/JP2007/071624
Publication Date:
May 15, 2008
Filing Date:
November 07, 2007
Export Citation:
Assignee:
MAX CO LTD (JP)
HIRANUMA TOSHIO
BAN TAKANORI
HOUJYOU TAKAO
KOBAYASHI KUNITAKA
HIRANUMA TOSHIO
BAN TAKANORI
HOUJYOU TAKAO
KOBAYASHI KUNITAKA
International Classes:
F16B15/06; F16B15/00
Foreign References:
| JP2004144121A | 2004-05-20 | |||
| JPS5937410U | 1984-03-09 | |||
| JPH11257315A | 1999-09-21 | |||
| JPH0662218U | 1994-09-02 | |||
| JPS57179612U | 1982-11-13 | |||
| JPS6445017U | 1989-03-17 | |||
| JP2004183708A | 2004-07-02 | |||
| JP2004144121A | 2004-05-20 | |||
| JP2002081424A | 2002-03-22 |
Attorney, Agent or Firm:
OGURI, Shohei et al. (7-13 Nishi-Shimbashi 1-chom, Minato-ku Tokyo 03, JP)
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