To easily manufacture a tank cover for vessel composed to secure a certain amount of space or more in between a nonspherical tank while suppressing total weight.SOLUTION: A tank cover for vessel being the tank cover for vessel 50 which is symmetrical around a vertical central axis covering a portion projecting upward from an upper deck 22 of a hull in a nonspherical tank 10 in a shape bulged obliquely upward compared to a spherical tank includes a cylindrical unit 51 supported by the upper deck 22, a top plate unit 53 expanding in the horizontal direction above an apex of the nonspherical tank 10 with a circular peripheral edge unit, and a curved surface unit 52 extending from a top end unit of the cylindrical unit 51 along an outer surface of the nonspherical tank 10 and connecting with a peripheral edge unit of the top plate unit 53, the curved unit 52 includes a first spherical unit 61 below and a second spherical unit 62 above, and center of curvature of the first spherical unit 61 is positioned above the center of curvature of the second spherical unit 62.SELECTED DRAWING: Figure 5

    【課題】全体の重量を抑えつつ、非真球タンクとの間のスペースを一定以上確保するように構成された舶用タンクカバーを容易に製造する。【解決手段】舶用タンクカバーは、真球状のタンクに比べて斜め上方に膨出した形状の非真球タンク10における、船体の上甲板22より上方に突き出た部分を覆う、鉛直中心軸のまわりに対称な舶用タンクカバー50であって、上甲板22に支持された円筒部51と、非真球タンク10の頂部より上方で水平方向に広がり、円形状の周縁部を有する天板部53と、円筒部51の上端部から非真球タンク10の外面に沿って延び、天板部53の周縁部につながる曲面部52と、を備え、曲面部52は、下側の第1球面部61及び上側の第2球面部62を含み、第1球面部61の曲率中心は、第2球面部62の曲率中心よりも上方に位置する。【選択図】図5


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    Titel :

    TANK COVER FOR VESSEL AND VESSEL PROVIDED WITH THE SAME


    Weitere Titelangaben:

    舶用タンクカバー及びそれを備えた船舶


    Beteiligte:
    SHIMIZU YUSUKE (Autor:in) / EGUCHI YUZO (Autor:in) / WADA KOHEI (Autor:in)

    Erscheinungsdatum :

    2019-04-25


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

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



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