| 摘要 |
PROBLEM TO BE SOLVED: To stably wind a trimming sheet to have a larger number of turns. SOLUTION: Using a reel 4 provided with a conical winding core 3 of which diameter is enlarged from a flange 2A at one end EA to a flange 2B at the other end EB, a trimming part B at one end side of the trimming sheet S is positioned to the side of the end EA of the winding core 3, and it is wound around the core 3.
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