| 摘要 |
PROBLEM TO BE SOLVED: To prevent paper powder from being left adhered to a cut of the cut groove when processing the cut groove in the corrugated cardboard sheet by a slot processing machine, and to remove the paper powder while carrying a corrugated cardboard sheet. SOLUTION: The corrugated cardboard sheet S with the cut groove S2 cut and processed by the slot processing machine D is fed to a die cutter unit F constituted of a pair of upper and lower roller shafts 1 for feeding sheets and a roller 2 for feeding sheets. In the roller shafts 1 for feeding sheets, rotating brushes 3 are disposed for every interval of slot rollers d corresponding to each of the slot rollers d of the slot processing machine D. By the rotating brushes 3, the paper powder adhered to the cut groove S2 of the corrugated cardboard sheet S is scratched and removed. COPYRIGHT: (C)2004,JPO
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