Title:
PILE
Document Type and Number:
WIPO Patent Application WO/2004/092486
Kind Code:
A1
Abstract:
A pile (K1) allowing the extension of an extension means into the ground with a force smaller than that in a conventional one and having a sufficient proof stress in both drawing and settlement directions, comprising a pile body (1) having a sharp tip part (2), wherein opening parts (106, 107) are formed in the side walls (100, 101) of the pile body (1), and extending members (3, 3) formed in arc shapes, guide members (4, 4) guiding the extending members (3, 3) in moving directions, and a pressing member (50) projectedly extending the extending members (3, 3) from the side faces of the pile body (1) to the outside are incorporated in the pile body (1) on the lower side thereof. The extending members (3, 3) are pressed down by the pressing member (50) when a pressing bar (6) is inserted in the pile body from the upper side thereof is pressed downward, and moved along the guide members (4, 4), and projectedly extended through the opening parts (106, 107) to the outside (into the ground) at the tip side of the pile body.
Inventors:
MORITA YOSHIMI (JP)
Application Number:
PCT/JP2004/005189
Publication Date:
October 28, 2004
Filing Date:
April 09, 2004
Export Citation:
Assignee:
MORITA YOSHIMI (JP)
International Classes:
E02D5/28; E02D5/54; E02D5/80; (IPC1-7): E02D5/54; E02D5/80
Foreign References:
| JPS3611708B1 | ||||
| JPS5219683B2 | 1977-05-30 | |||
| JPS5996327A | 1984-06-02 | |||
| JPS5712029Y2 | 1982-03-10 |
Attorney, Agent or Firm:
Kajihara, Katsuhiko (Hiyoshi-machi Kurume-shi, Fukuoka 17, JP)
Download PDF: