Dock supporting apparatus

Details Dock supporting apparatus Dock supporting apparatus

1988-07-19

1990-05-08

Reese, Randolph A.

Hydraulic and earth engineering

Marine structure or fabrication thereof

Structure protection

405 61, 405217, 405219, 405221, E02B 1502

Patent

active

049233360

ABSTRACT:
A dock support having a piling composed of an upstanding rod the lower end of which is adapted to be embedded in the bottom of a body of water and an external telescoping sleeve having a cap at its upper end which normally confronts and seats on the upper end of the rod. A passage exists between the confronting surfaces of the inner and outer telescoping members and such passage is occupied by air, rather than water. The air prevents water in the passage rising to the level at which it may freeze, but should water in the passage rise to the freezing level compressed air may be admitted to the passage via a valve under sufficient pressure to purge such water.

REFERENCES:
patent: 291208 (1884-01-01), Leslie
patent: 3170299 (1965-02-01), Clarke
patent: 3180099 (1965-04-01), Mikolajczyk
patent: 3370432 (1968-02-01), Butler
patent: 3495565 (1970-02-01), Gustavii
patent: 3543523 (1969-02-01), Nelson
patent: 3555827 (1971-01-01), Herr
patent: 4126006 (1978-11-01), Lewis
patent: 4464083 (1984-08-01), Wathey

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