| 摘要 |
PROBLEM TO BE SOLVED: To provide a chumming device 10 having several-layered releasing ports 60 regulated so that the sizes may be changed. SOLUTION: The chumming device 10 has a chum-inserting part 20, a releasing part 30 and a sinker part 50. The chum-inserting part 20 comprises a container body 18 forming an inserting opening 14, and a lid 16. The chum is inserted from the inserting opening 14 to an interior space 12. The chum inserted into the interior is released from the releasing ports 60 of the releasing part 30. The releasing part 30 comprises several ring-shaped members 32 and metal wires 40 connecting each of the ring-shaped members 32. A screw rod 70 enables the heights of the releasing ports 60 of the releasing part 30 to be regulated. COPYRIGHT: (C)2005,JPO&NCIPI
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