| 摘要 |
Tool for grooving (scoring) sheets 8 of paper or cardboard, of the type comprising: - a pressure plate 1 made from a hard material; - grooving (scoring) threads (ribs) 3 integral with the said pressure plate 1; - a counterpressure plate 5, also made from a hard material, on which the sheet 8 to be grooved (scored) rests through the effect of the approach of the pressure plate 1, characterised in that the front face 7 of the counterpressure plate 5, arranged opposite the threads (ribs) 3, is covered with a layer 6 made from a hard resilient material. <IMAGE> |
