ICE CARRYING TRIMARAN (VERSIONS) Russian patent published in 2001 - IPC

FIELD: shipbuilding; construction of ships and their holds for carrying ice bars and barge-containers (barcons) with cargo inside them. SUBSTANCE: trimaran has center hull, hold gate in fore portion of center hull, marine power plants arranged in side hulls and inner-hull fasteners movable in vertical and horizontal and inter-hull fasteners movable in vertical and horizontal planes. Provision is made for control of draft of side hulls through admitting/discharging sea water. According to second version, hold of center hull is divided into two parts for successive loading/unloading through fore and aft gates. EFFECT: facilitated cargo handing procedure; low cost of cargo transportation; enhanced safety of navigation. 3 cl, 6 dwg