SHIP'S HULL (VERSIONS) Russian patent published in 1997 - IPC

FIELD: shipbuilding; building, repairing and modification of ships for liquid and loose cargoes. SUBSTANCE: two horizontal semi-cylinders mounted inside ship's hull are connected with deck and bottom through moulds connected with web frames by means of uprights and braces. Flat sides with transverse framing system are used as extensions of semi-cylinders above main deck as far as cargo deck. Ends of horizontal semi-cylinders may differ in their form; they may be made in the form of adjoining vertical semi-cylinders with flat bottoms or inclined flat wall with framing members. Provision is also made for installation of one horizontal semi-cylinder, mainly, for sea-going vessels at the same styling of end parts as with two semi-cylinders. EFFECT: enhanced reliability. 4 cl, 6 dwg