Piling protector

Hydraulic and earth engineering – Marine structure or fabrication thereof – Structure protection

Patent

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Details

405211, E02D 560

Patent

active

045126836

ABSTRACT:
A sleeve adapted to float in water and to surround a piling to protect the same from being lifted by ice includes an outer corrugated casing which can be easily gripped by ice forming therearound. Within the casing is a layer of waterproof cementitious material followed by a layer of closed cell foam plastic. The innermost surface of the sleeve, which faces the piling, is a smooth even layer of polyethylene film. Should ice form in the annular space between the piling and the sleeve, the sleeve can easily slide up or down across the outer surface of the ice without moving the piling.

REFERENCES:
patent: 934176 (1909-09-01), Hubbard
patent: 3170299 (1965-02-01), Clarke
patent: 3370432 (1968-02-01), Butler et al.
patent: 3541800 (1970-11-01), Walker et al.
patent: 4072022 (1978-02-01), Shimizu
patent: 4102144 (1978-07-01), Anders
patent: 4411556 (1983-10-01), Leblanc et al.

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