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Patent Searching and Data


Title:
STEEL PIPE PILE FOR HEAT EXCHANGE
Document Type and Number:
Japanese Patent JP2009257081
Kind Code:
A
Abstract:

To provide a steel pipe pile for heat exchange, efficiently transferring heat in the ground to the interior of a pile and excellent in installation characteristics.

The steel pipe pile has a protrusion formed by winding a spiral blade for screw driving a pile having an outer diameter 1.5(the outer diameter of a pile body) and 3(the outer diameter of a pile body) around the outer circumference of the pile body by at least one turn, and the tip end of the pipe pile is closed. The pipe pile is embedded by pushing earth and sand along the side of the pile body by a rotary embedding method not producing surplus soil. Piping for heat exchange is installed in the hollow section of the pipe pile body.


Inventors:
Ito, Yasuyuki
Yamagishi, Hideyuki
Ijuin, Hiroshi
Application Number:
JP2009000180372
Publication Date:
November 05, 2009
Filing Date:
August 03, 2009
Export Citation:
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Assignee:
ASAHI KASEI HOMES CO
International Classes:
E02D5/56; E02D5/28; E02D27/12; F16L1/00; F24J3/08