| 摘要 |
PROBLEM TO BE SOLVED: To provide a device capable of efficiently removing a cap of a PET bottle, etc., while a worker is not tired. SOLUTION: This device comprises a boss for holding the cap, a push rod, and motor cylinders, etc., for driving the boss and the push rod. The cap can be removed only by inserting the cap of the bottle in the boss, the worker can easily remove the cap.
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