| 摘要 |
PROBLEM TO BE SOLVED: To provide a winding structure and a winding method for plastic sheet capable of winding the plastic sheet having various width, making the plastic sheet after winding a light weight and further reutilizing a cylindrical core as such. SOLUTION: In the structure that a sheet S is wound on an outer periphery of the cylindrical core 15, the cylindrical core 15 comprises a body formed by axially and separably arranging a plurality of cylindrical bodies 20.
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