| 摘要 |
PROBLEM TO BE SOLVED: To efficiently and high-precisely wind a film on a winding core by a simple process and a constitution. SOLUTION: A chuck mechanism 84 is provided with a first and second block wrappers 106, 108 having the specified width size in the axial direction of a winding core and capable of gripping the peripheral surface of the winding core, and rollers 116, 118 provided on the first and second block wrappers 106, 108 and for rotatably center-supporting the winding core gripped by the first and second block wrappers 106, 108.
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