Menetelmä kartongin nuuttaamiseksi ja nuuttaustyökalut

摘要

The invention concerns a procedure for grooving cardboard (1) or equivalent, the cardboard being pressed between a grooving blade (2) and a counterpiece (3) which has been made of elastic material at the location of the grooving blade. The invention further concerns grooving tools for implementing the procedure, said tools comprising a grooving blade (2) and a counterpiece (3), the counterpiece being made of elastic material at the location of the grooving blade.