Title:
JOINT STRUCTURE
Document Type and Number:
Japanese Patent JP2019105042
Kind Code:
A
Abstract:
To provide a joint structure improving workability for installation.SOLUTION: An upper steel tube band 5 is integrally arranged with a lower end surface metal fitting 11 of an upper pile 2 in a configuration that it is protruded downward from a lower end part of the upper pile 2. Further, a lower steel tube band 7 of which at least a part is insertable in the upper steel tube band 5 is integrally arranged with an upper end surface metal fitting 17 of a lower pile 3. The upper steel tube band 5 comprises a plurality of through-holes 14 arranged at a protruded section downward from the lower end part of the upper pile 2. The lower steel tube band 7 comprises nut sections 18 positioned in corresponding with through-holes 14 of the upper steel tube band 5. Then, bolts are screwed in the through-holes 14 and the nut sections 18 by inserting the lower steel tube band 7 in the upper steel tube band 5 to correspond the through-holes 14 and the nut sections 18.SELECTED DRAWING: Figure 1
Inventors:
HAKAMADA TOMOYUKI
HAYASHI TAKAMASA
HAYASHI TAKAMASA
Application Number:
JP2017236767A
Publication Date:
June 27, 2019
Filing Date:
December 11, 2017
Export Citation:
Assignee:
NIPPON CONCRETE IND CO LTD
International Classes:
E02D5/24
Domestic Patent References:
| JP2004100222A | 2004-04-02 | |||
| JPS4962304U | 1974-05-31 | |||
| JP2013234561A | 2013-11-21 | |||
| JP2009299298A | 2009-12-24 | |||
| JP2014133977A | 2014-07-24 |
Attorney, Agent or Firm:
樺澤 襄
Satoshi Kabazawa
Tetsuya Yamada
Satoshi Kabazawa
Tetsuya Yamada