| 摘要 |
FIELD: packaging industry. ^ SUBSTANCE: packaging material (12) contains perforated line (22), which is implemented in side face of box of cigarettes lengthwise longitudinal location of box. Perforated line (22) contains central area (C), which is implemented as fragile section, which can be teared easier, then other areas (S1, S2) of perforated line (22). ^ EFFECT: avoidance of damage of packs at tearing of sheet packaging material and providing of ability of easy tearing subsequently of packaging material during opening of block. ^ 7 cl, 5 dwg |
