| 摘要 |
FIELD: process engineering.SUBSTANCE: invention relates to lamination of packing materials, particularly, to lamination of cardboard. It comprises clamping and cooling shafts. Zone of contact is formed between said shafts wherein film is pressed to cardboard web with intermediate layer of fused polymer or adhesive layer. Note here that said film is pressed thereafter to cooling shaft in certain angular range. Said clamping shaft represents a shoe-type component including clamping bar with several fluid-driven clamping elements or one or several solid clamping beams.EFFECT: better quality of lamination.8 cl, 3 dwg |
