Rotary displacement piling equipment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 29, 2002
Grant Date -
Jul 26, 2001
app pub date -
Jan 17, 2001
filing date -
Jan 20, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rotary displacement piling equipment for boring a hole within the soil includes a rotary displacement bit, driving rod members connected to the bit, a casing surrounding the driving rod member, and a casing adapter having a lower end provided with a cylindrical collar for co-operating with the upper part of the casing for keeping in line the casing with respect to the driving rod member and with an horizontal thrust face for applying a thrust at the upper end of the casing, the driving rod member passing through the casing adapter. The equipment may also include a rotary drive box co-operating with the driving rod member for rotating the driving rod means and provided with connecting member to be connected to the upper end of the casing adapter, and vertical supporting and guiding member for supporting and vertically guiding the rotary drive box.
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