Constructions of hulls

BPERFORMING OPERATIONS TRANSPORTING B63Ships B63BSHIPS OR OTHER WATERBORNE VESSELS EQUIPMENT FOR SHIPPING

B63B3/00Constructions of hulls

B63B3/02Hulls assembled from prefabricated sub-units B63B3/04with permanently-connected sub-units B63B3/06the sub-units being substantially identical B63B3/08with detachably-connected sub-units B63B3/09Hulls constructed of non-magnetic metal B63B3/10Armoured hulls B63B3/12Frameless hulls B63B3/13Hulls built to withstand hydrostatic pressure when fully submerged B63B3/14Hull parts B63B3/142Connections between the shell and deck B63B3/16Shells B63B3/18characterised by being formed predominantly of parts that may be developed into plane surfaces B63B3/185comprising only flat panels B63B3/20of double type B63B3/22with corrugations B63B3/24Means for diminishing external ridges of protrusions B63B3/26Frames B63B3/28of transverse type Stringers B63B3/30Bilge knees Beam knees B63B3/32Web frames Web beams B63B3/34of longitudinal type Bulkhead connections B63B3/36Combined frame systems B63B3/38Keels B63B3/40Stern posts Stern frames B63B3/42Shaft brackets B63B3/44Bilge keels B63B3/46Stems B63B3/48Decks B63B3/50of vaulted type B63B3/52Pillars Deck girders B63B3/54Hatch openings B63B3/56Bulkheads Bulkhead reinforcements B63B3/58with flat plating B63B3/60with curved or corrugated plating B63B3/62Double bottom Tank tops B63B3/64Keelsons B63B3/66Gratings B63B3/68Panelling Lining B63B3/70Reinforcements for carrying localised loads