Title:
STEEL PIPE PILE JOINT STRUCTURE
Document Type and Number:
Japanese Patent JP2016050606
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a steel pipe pile joint structure including a fixing mechanism having a structure that is attachable/detachable to and from it.SOLUTION: This invention relates to a steel pipe pile coupler structure for use in connecting a lower steel pipe pile 2 initially installed at a foundation with an upper steel pipe pile 4 connected to an upper end of the lower steel pipe pile 2. A fixing means 10 for fixing the lower steel pipe pile 2 and the upper steel pipe pile 4 is constituted by a lock hole 9 having truncated-cone shape communicating between the upper steel pipe pile 4 and the lower steel pipe pile 2; a tapered lock part 11 of truncated-cone shape corresponding to the lock hole; a fixing washer part 12 abutted against the tapered lock part; a fastening washer part 13 fitted into the fixing washer part; a fixing bolt part 14 arranged to pass through the fastening washer part, the fixing washer part and the tapered lock part; a nut part 15 arranged at a large diameter end of outside part of the pile of the tapered lock part to cause the fixing bolt part to be engaged in thread with it to fasten the fixing bolt part; and an anti-looseness washer part 16.SELECTED DRAWING: Figure 4
Inventors:
SUZUKI IKUO
Application Number:
JP2014175462A
Publication Date:
April 11, 2016
Filing Date:
August 29, 2014
Export Citation:
Assignee:
TOBU:KK
International Classes:
F16B7/18; E02D5/24
Domestic Patent References:
| JP2013234561A | 2013-11-21 | |||
| JP2009161925A | 2009-07-23 | |||
| JPS53152065U | 1978-11-30 | |||
| JPS5499201U | 1979-07-13 | |||
| JPH08109909A | 1996-04-30 | |||
| JP2009299754A | 2009-12-24 |
Foreign References:
| US20100322717A1 | 2010-12-23 |
Attorney, Agent or Firm:
Onuki Kotake International Patent Office