Method for reconfiguration tankers

Ships – Building – Freighters

Patent

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Details

114 74R, B23K 3100

Patent

active

051899752

ABSTRACT:
A method for converting a single-hull tanker to a mid-deck configuration is disclosed. The midship cargo section of the tanker is cut longitudinally along a horizontal plane well below the normal laden water line. A spacer member including a new transverse mid-deck is interposed between the lower and upper portions of the midship cargo section. The port and starboard outer sections of the midship cargo section of the vessel are cut longitudinally away from the central portions of the midship sections of the vessel, and new longitudinal bulkheads are added. In this way the vessel is provided with port and starboard wing ballast tanks between the hull plating and the port and starboard wing cargo tanks. The center cargo tank is also divided the upper and lower sections, such that the lower section can be converted to ballast in the event double-hulled tankers become mandatory for oil transport.

REFERENCES:
patent: 3399645 (1968-09-01), Dahan
patent: 3631832 (1972-01-01), Rodriguez
patent: 3797099 (1974-03-01), Myers
patent: 3938457 (1976-02-01), Dwyer
patent: 4207827 (1980-06-01), Gondouini
patent: 4341175 (1982-07-01), Ivanov

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