| 摘要 |
A fish cage with a flotation collar (1) and a net (2), the floatation collar (1) comprising an elongate, parallelly arranged, substantially straight floatation pipes (3) which are closed or sealed, said floatation pipes (3) being interconnected sideways by means of brackets (5), and corner elements (7) having at least two vertical sides. The corner elements (7) are tied together by meansof chains/wires or the like in order to tensioning the floatationcollar together and in order to distribute the forces. The cornerelements (7) are provided with sealed connecting end pieces (9) in order to plug the floating pipes (3). |
