To suppress enlargement of a tank cover and to suppress increase in production cost and weight while securing a gap between the tank cover and a cargo tank.SOLUTION: A vessel 10 includes: a hull 11, a cargo tank 20 with a top unit projecting from a top deck 12 of the hull 11 and having a top unit aspherical shape unit 23 on the top unit, and a tank cover 30 covering a top unit of the cargo tank 20. The tank cover 30 includes: a cylindrical stand-up unit 31 arranged radially outward of the cargo tank 20 and extending upward from the top deck 12; a planar top surface unit 32 arranged above to face an apex unit 20t of the cargo tank 20; and a spherical shape unit 33 connected to the top surface unit 32 of the standing up unit 31 and formed by a constant curvature radius R4.SELECTED DRAWING: Figure 3

    【課題】タンクカバーとカーゴタンクとの隙間を確保しつつ、タンクカバーの大型化を抑え、製作コスト及び重量の増加を抑える。【解決手段】船舶10は、船体11と、船体11の上甲板12から上部が突出し、上部に上部非真球形状部23を有するカーゴタンク20と、カーゴタンク20の上部を覆うタンクカバー30と、を備える。タンクカバー30は、カーゴタンク20の径方向外側に配置され、上甲板12から上方に向かって延びる円筒状の立ち上がり部31と、カーゴタンク20の頂部20tに対向するように上方に配置された平面状の天面部32と、立ち上がり部31と天面部32とを接続し、一定の曲率半径R4で形成された真球形状部33と、を備える。【選択図】図3


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    Title :

    VESSEL


    Additional title:

    船舶


    Contributors:

    Publication date :

    2019-01-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS



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