Hydraulic and earth engineering – Foundation – Columnar structure
Reexamination Certificate
2011-03-29
2011-03-29
Singh, Sunil (Department: 3672)
Hydraulic and earth engineering
Foundation
Columnar structure
C405S252100
Reexamination Certificate
active
07914236
ABSTRACT:
A screw pile substructure support system is provided. In one embodiment, the invention relates to a screw pile substructure support system including a tubular pile having a centerline, wherein the tubular pile includes a first cylindrical section and a second cylindrical section attached by a weld, a pile tip including a first pile tip end attached to the tubular pile, an end plate having a substantially flat surface disposed perpendicular to the centerline of the tubular pile, a tapered portion disposed between the first pile tip end and the end plate, and a helical flight attached to an exterior surface of the tapered portion, wherein the helical flight extends along the exterior surface for a distance of at least one quarter of a circumference of the tapered portion, wherein the end plate is fixedly attached to the pile tip.
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Christie Parker & Hale LLP
Singh Sunil
LandOfFree
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