SHIP-RAISING PONTOON Russian patent published in 2005 - IPC

FIELD: ship-raising equipment; ship-raising pontoons for pilotage of ships in sea, under bridges, trestles and in shallow waters.

SUBSTANCE: proposed ship-raising pontoon has hull, buoyant boxes, blow necks, bulkheads dividing pontoon interior and flooding, drainage and slinging systems; pontoon has two halves connected to ship's skin. Bottom surfaces of these halves are flat and are located at one level with horizontal keel of ship. Ship's hull skin is used as side surface of each half of pontoon.

EFFECT: reduced mass and overall dimensions; low building cost; enhanced reliability.

3 dwg