Method and apparatus for preventing dock or structure piling...

Details Method and apparatus for preventing dock or structure piling... Method and apparatus for preventing dock or structure piling...

2007-11-27

2007-11-27

Mayo, Tara L. (Department: 3671)

Hydraulic and earth engineering

Marine structure or fabrication thereof

Structure protection

C405S217000

Reexamination Certificate

active

10988855

ABSTRACT:
A piling anti-lift system utilizes a heat trace cable secured around a piling and extending above and below the water level of the surrounding water. An annular space is formed between the piling anti-lift system. The heated piling anti-lift system prevents the water in the annular space from freezing and thereby prevents the piling from being subject to uplifting or heaving that results from the rising tide of surrounding frozen waters. In the event of extreme water temperatures and the freezing of the water in the formed annular space, the piling anti-lift system keeps the piling independent of the frozen surrounding water. In this situation, the piling anti-lift system will break free from the frozen water in the annular area and rise with the rising tide waters, thus continuing to keep the piling independent from the rising frozen tide waters.

REFERENCES:
patent: 2484063 (1949-10-01), Ackley
patent: 4252471 (1981-02-01), Straub
patent: 5436429 (1995-07-01), Cline

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