| 摘要 |
A system which stacks and folds waterproof tube film in a zigzag configuration in a film receiving box and then inserts the tube film in the film receiving box into an interior of a cylindrical bag. The system also includes a film unwinding means, which is provided with guide rollers for guiding tube film pulled from bobbin and tension controlling rollers. The film is preferably sealed to the interior of the cylindrical bag to form a waterproof bag.
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