Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 11, 2011
Patent Application Number
12580004
Date Filed
October 15, 2009
Patent Citations Received
Patent Primary Examiner
Patent abstract
Disclosed in this specification is a method and apparatus for placing a helical pile in the soil with minimal disturbances to the soil. The helical pile has an elongated pipe with a central chamber. The pipe has a helical blade with an opening in the trailing edge of the blade where grout is extruded. The grout fills those portions of the soil which were disturbed by the blade. Advantageously, those portions of the soil which were not disturbed by the blade are not infused with grout.
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