发明名称 |
Device for raising and lowering of net pen |
摘要 |
A net pen (2) and wires (3) attached to a floating ring (1). To the wires (3) a weight (4) is fastened and a bottom ring (6) slides along the wires (3). Floats (5) are sliding along the wires (3) and are attached to the net pen (2). An air-regulated ballast block (8) is secured to the bottom ring (6). The air-regulated ballast block (8) is designed like a tank provided with an opening (9) for air and with water intakes (11). |
申请公布号 |
AU4288801(A) |
申请公布日期 |
2001.09.17 |
申请号 |
AU20010042888 |
申请日期 |
2001.03.08 |
申请人 |
REFA AS |
发明人 |
JONNY PETTERSEN;SVEIN H. JORGENSEN;KJELL MIDLING;KARE AAS;ROY TORE ELIASSEN |
分类号 |
A01K61/00 |
主分类号 |
A01K61/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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