To provide means for floating and sinking a floating fish preserve in which a waterproof surface provided in a floating fish preserve is opened and closed, and thereby the drag caused by an ocean current is adjusted in the floating fish preserve used at the open sea.SOLUTION: In a floating fish preserve, a surface of an outflow side of an ocean current is made smaller than the surface of an inflow side of the ocean current. Also, the surface of the outflow side and the inflow side of the ocean current is covered with a net, and the other portion is covered with a waterproof surface. However, the bottom of the waterproof surface or both sides are made to be openable, and the net is provided to the part to be opened and closed. The drag of the floating fish preserve caused by the ocean current is adjusted by opening and closing the waterproof surface covered with the net of the floating fish preserve. Then, the rope connected to the floating fish preserve is connected with an anchor and a stake placed into the seabed, and thereby it is made to sink down when the drag is increased by closing the waterproof surface, and it is made to come up when the waterproof surface is opened and the drag is reduced.SELECTED DRAWING: Figure 1

    【課題】 本発明は、外洋で用いられる浮き生簀において、浮き生簀に備えられた防水面を開閉させることにより、海流による抗力を調整し、浮き生簀を浮沈させる手段を提供するものである。【解決手段】 浮き生簀において、海流の流出側の面を海流の流入側の面より小さくしたものである。また、海流の流出側と流入側の面を網で覆い、他の部分は防水面で覆う。しかし、その防水面の底、もしくは両側を開閉可能とし、その開閉する部分に網を設けたものである。浮き生簀の網を覆った防水面を開閉することで、海流による浮き生簀の抗力を調整する。そして、浮き生簀に連結された索をアンカーや海底に打ち込まれた杭と連結することで、防水面を閉じて抗力が大きくなると沈み。防水面を開けて抗力を減らすと浮上することを特徴とするものである。【選択図】図1


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    Titel :

    OPENABLE FLOATING/SINKING FISH PRESERVE


    Weitere Titelangaben:

    開閉式浮沈生簀


    Beteiligte:

    Erscheinungsdatum :

    03.09.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / A01K ANIMAL HUSBANDRY , Tierzucht



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