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METHOD OF CUTTING LOCKING PIN FOR SCALLOP CULTIVATION, AND LOCKING PIN FOR SCALLOP CULTIVATION
METHOD OF CUTTING LOCKING PIN FOR SCALLOP CULTIVATION, AND LOCKING PIN FOR SCALLOP CULTIVATION
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机译:锁定用于耕地栽培的销钉的方法以及用于锁定在耕地栽培的销钉的方法
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摘要
PROBLEM TO BE SOLVED: To provide a method of cutting a locking pin for scallop cultivation and the locking pin which facilitate insertion of the locking pin into a locking hole and which make attaching operation of the locking pin smooth, easy and efficient in a scallop cultivation.SOLUTION: A locking pin includes: a runner part 2; a gate part 3 diverged from the runner part 2; and a shaft part 4 provided in the tip end of the gate part 3. At least in one end of the shaft part 4, there is a tip insertion part 5 for a mantle hanging hole drilled in a mantle of a scallop shell and, in the inner part of the shaft of this tip insertion part 5, a scallop locking part 6 is provided protruding in the circumferential direction. Also, in the shaft part, there is a rope fall-off prevention part protruding in the circumferential direction. The locking pin for scallop cultivation is integrally formed with resin. In a cutting method of the locking pin for scallop cultivation, in which the locking pin is cut off from the gate part 3, a part between the gate part 3 and the tip insertion part 5 of the shaft part 4 is cut by fusion with irradiation beam 11 of a laser irradiation apparatus.
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