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US 2015/0308069 A1Published application
Pile upending device
AssigneeIhc Norex B.V.
InventorKlaas-Jan MULDERIJ
Life of this patent
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Abstract
A pile upending device for large diameter tubular elements includes; an annular base ring for extending along substantially the entire circumference of the tubular element, a central lifting arm for coupling the pile upending device to a hoisting element, which lifting arm is hingeably coupled with the base ring, a number of wedge assemblies disposed along the outside circumference of the base ring for facing the inside surface of the tubular element and frictional engagement with the tubular element.
Claims16
1-15. (canceled)
Pile upending device (1) for large diameter tubular elements (2), the device comprising;
- an annular base ring (3) for extending along substantially the entire circumference (4) of the tubular element,
- a central lifting arm (5) for coupling the pile upending device to a hoisting element (6), which lifting arm is hingeably coupled with the base ring,
- a number of wedge assemblies (7) disposed along the outside circumference (8) of the base ring for facing the inside surface (9) of the tubular element and frictional engagement with the tubular element.
Dependencies are inferred from the claim text.