| 摘要 |
PROBLEM TO BE SOLVED: To provide a unit for use in separating a paper bottle from a plastic pouring port by a method wherein sharp blades are installed at both ends of one cylindrical die hollowed out at its inner side, the blades are contacted with and pierced into the plastic pouring port, and the die is turned with operator's fingers to cause the paper bottle to be separated from the plastic pouring port. SOLUTION: Sharp blades (3) are installed at both ends of a cylindrical part (2) of a cylindrical die (1) hollowed out at its one inner side, the blades are contacted with and pierced into the plastic pouring port (5), and the die is turned with operator's fingers to cause the paper bottle to be separated from the plastic pouring port.
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