Geothermal flexible conduit loop single pass installation system for dense soils and rock
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United States of America Patent
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Nov 17, 2015
Issued Date -
N/A
app pub date -
Jun 5, 2012
filing date -
Feb 4, 2009
priority date (Note) -
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Abstract
A geothermal flexible conduit loop single pass installation system for dense soil or rock. A conduit loop attachment is secured behind the soil penetrating head and has an engageable element adapted to hook a loop end portion of a flexible conduit loop and draw the conduit loop in a bore hole as it is being formed by the soil penetrating head as it descends in a soil under the influence of a downward force applied to a hollow force transmission shaft. A pressurized medium is released in the bore hole as it is formed. At least the force transmission is withdrawn with the flexible conduit loop retained in the bore hole by surrounding soil or a cement released through the shaft as it is withdrawn.
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