PROBLEM TO BE SOLVED: To reduce cost by simplifying the structure of a cradle for feeding an empty paper tube. ;SOLUTION: An empty paper tube stocker is laid above the discharge route where a takeup package made full in a cradle 11 is released, and an empty paper tube stocker self-turns for feeding an empty paper tube 52 to the cradle 11 after the discharge of the takeup package 10.;COPYRIGHT: (C)1997,JPO
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