| CPC D21H 27/002 (2013.01) [D21H 27/30 (2013.01)] | 4 Claims |
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1. A toilet paper roll manufacturing method comprising:
a first step of pulling out base paper from each of multiple base paper rolls;
a second step of introducing multiple sheets of the base paper to a lamination unit, laminating the multiple sheets of the base paper, and forming 4-ply toilet paper;
a third step of drying the 4-ply toilet paper; and
a fourth step of rolling up the 4-ply toilet paper and manufacturing a 4-ply toilet paper roll,
wherein the second step comprises:
a fifth step of separating the multiple sheets of the base paper introduced to the lamination unit into multiple sheets of 1-ply base paper;
a sixth step of operating a first sprayer to spray a bonding liquid between first base paper and second base paper among the multiple sheets of 1-ply base paper and forming first laminated paper made up of the first base paper and the second base paper;
a seventh step of operating a second sprayer to spray the bonding liquid between third base paper and fourth base paper among the multiple sheets of 1-ply base paper and forming second laminated paper made up of the third base paper and the fourth base paper; and
an eighth step of operating a third sprayer to spray the bonding liquid between the first laminated paper and the second laminated paper, and operating a first pressure roller to stack and press the first laminated paper and the second laminated paper and to form the 4-ply toilet paper,
the sixth step and the seventh step being performed simultaneously.
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