Title:
Cast-in-place steel pipe concrete stake
Document Type and Number:
Japanese Patent JP6240846
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a cast-in-place steel pipe concrete pile that enables utilization of underground heat and that enables construction of a pile with great bearing capacity.SOLUTION: A cast-in-place steel pipe concrete pile 1 includes a steel pipe concrete part 2 that is formed in an upper part, and a reinforced concrete part 3 that is formed in a lower part. A filling part 2a, in which concrete 4 continuing into the reinforced concrete part is infilled into a steel pipe, and a non-filling part 2b, in which the upper concrete is not infilled into the steel pipe, are formed in the reinforced concrete part. A heat exchange part 72 of a heat exchange pipe 7 is formed in the non-filling part.
Inventors:
Keizo Minagawa
Kobayashi Yuharu
Yoshitaka Nakanishi
Yutaka Kubo
Kobayashi Yuharu
Yoshitaka Nakanishi
Yutaka Kubo
Application Number:
JP2013265343A
Publication Date:
December 06, 2017
Filing Date:
December 24, 2013
Export Citation:
Assignee:
System Measurement Co., Ltd.
International Classes:
E02D5/34; F24J3/08
Domestic Patent References:
| JP2004324913A | ||||
| JP6088333A | ||||
| JP2008202936A | ||||
| JP2011074569A | ||||
| JP2012097984A | ||||
| JP2006138095A | ||||
| JP2005188865A | ||||
| JP2008096083A | ||||
| JP2005009737A | ||||
| JP61029266U | ||||
| JP58083015U |
Foreign References:
| US20050061472 | ||||
| US20110091288 |
Attorney, Agent or Firm:
Cleo International Law & Patent Office
Tamio Nishiwaki
Nishiwaki Reishi
Tamio Nishiwaki
Nishiwaki Reishi