Title:
既製杭を利用した地中熱交換装置
Document Type and Number:
Japanese Patent JP5930161
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide subterranean heat exchange equipment using a precast pile, wherein a pipe is disposed along the precast pile buried in a pile hole.SOLUTION: A first fixing member 20 (a securing belt 21 with a connecting portion 22) is attached to the lower end of the straight standard precast pile 2, and a second fixing member 25 (a securing belt 26 with a pipe holder 27) is attached to the upper side thereof (a). The pipe 10 is disposed along the outer periphery of the standard precast pile 2, and a folded-back part 14 of the pipe 10 is anchored to the connecting portion 22. The pipe 10 is anchored to the pipe holder 27, and a protective tube 30 is fitted around the portion thereof with protective tube fixing materials 31, 31 inserted therein so that a pipe arrangement gap 33 of a space L1 is maintained (b), (c). In the pile hole 40 drilled preliminarily, the lowermost precast pile 1, the standard precast pile 2 and the upper precast pile 3 with the second fixing member 25, which are connected to one another, are buried with both the openings of a pipe 15 above the ground 51.
Inventors:
Hashizume Yoshimitsu
Application Number:
JP2011268576A
Publication Date:
June 08, 2016
Filing Date:
December 08, 2011
Export Citation:
Assignee:
Mitani Sexan Co., Ltd.
International Classes:
F24J3/08
Domestic Patent References:
| JP2007107200A | ||||
| JP4727761B2 | ||||
| JP200610133A | ||||
| JP2003206528A |
Foreign References:
| US20110265989 |
Attorney, Agent or Firm:
Kenichi Wakui
Norihiro Yamamoto
Kazunaga Suzuki
Norihiro Yamamoto
Kazunaga Suzuki