VESSEL BOTTOM GRILLAGE Russian patent published in 2019 - IPC B63B3/24 B63B3/14 B63B43/18 

FIELD: shipbuilding.

SUBSTANCE: invention relates to the field of shipbuilding and can be used in the construction and repair of the bottom structures of ship hulls. Said vessel bottom covering comprises outer skin, second bottom grillage with longitudinal stiffness ribs of second bottom grillage, stringers, vertical keel, floors, lengthwise beams and reinforcing walls of floors and stringer horizontal and vertical stiffeners, in lower parts of vertical keel, walls of floors and stringers there installed are tubular elements of structural protection in the form of tubular profile of rolled metal, filled with working medium with possibility of pressure regulation.

EFFECT: invention provides for more effective structural protection of the ship bottom grillage in case of strand landing.

1 cl, 4 dwg