| 摘要 |
PROBLEM TO BE SOLVED: To enable the detachment of the jig from a pipe comprising a magnetic material such as an iron pipe and further to facilitate the work of attaching the jig to such a pipe. SOLUTION: In a fluid magnetizing treatment jig, magnetic generators 20 are incorporated in a pair of the case bodies mounted on the outer peripheral surface of a water pipe from the outside. An on-off auxiliary mechanism 30 generating the force opposing to the magnetic attraction force between each case body and the water pipe to separate the case body from the water pipe when the case body is mounted on the water pipe comprising a magnetic material like an iron pipe is incorporated in the case body.
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