Method and system for removing outer layer of rollstock

A system for removing an outer layer of a rollstock comprising:

• an unwinding roller mounted with a hollow portion of a rollstock, the rollstock formed by rolling a film from a base end of the film to a tip end of the film into the rollstock;
• a first cutter that cuts the film in an outermost circumference of the rollstock along an overall width of a width direction, in a first cut portion in the outermost circumference of the rollstock mounted in the unwinding roller;
• a suction device that sucks with a negative pressure a first end continuing to the base end of the film and draws the first end from the rollstock, the first end being one of a pair of ends of the film, the pair of ends formed by cutting the film by the first cutter;
• and
• a second cutter that cuts the film drawn by the suction device along the overall width of the width direction, in a second cut portion,
• wherein the suction device has a suction port, and the suction device is configured such that the suction port reciprocates between a distal position and a proximal position,
• wherein, at the proximal position, a distance from the suction port to the unwinding roller is smaller than a distance from the second cutter to the unwinding roller, and
• wherein, at the distal position, the distance from the suction port to the unwinding roller is larger than the distance from the second cutter to the unwinding roller.