Hydraulic and earth engineering – Means to expose a normally wetted surface,e.g. – cofferdam – etc. – Connectable sections
Patent
1989-11-30
1991-02-12
Reese, Randolph A.
Hydraulic and earth engineering
Means to expose a normally wetted surface,e.g., cofferdam, etc.
Connectable sections
405 11, 405 12, 182187, B63C 1100
Patent
active
049919962
ABSTRACT:
A work enclosure for servicing a marine structure which is adapted to be positioned around a support member of the marine structure to enclose the member and at least one riser which extends parallel thereto. The enclosure is watertight and open at the top to the atmosphere whereby the water is pumped from the enclosure when the enclosure is in an operable position on the member to provide a dry, shirt-sleeve environment in which to carry out the service operations.
REFERENCES:
patent: 3197968 (1965-08-01), Castellanos
patent: 3331211 (1967-07-01), Cravens et al.
patent: 3768265 (1973-10-01), Brouillette
patent: 3871181 (1975-03-01), DeLong
Hager Jr. George W.
McKillop Alexander J.
Mobil Oil Corporation
Reese Randolph A.
Ricci John A.
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