| 摘要 |
FIELD: personal use articles. ^ SUBSTANCE: unitised packaging container for sheet material containing several packs of paper wrapped into their own wrapper, which are placed into common protective wrapper, in which plastic, mixture of polymers or another suitable material that moderates penetration of moisture is added to at least the main paper layer of wrapper. At the same time unitised packaging container includes material of protective wrapper and wrapper material used for packs of paper, which are made by adding plastic, mixture of polymers or other suitable material to both in such an amount that speed of water vapours penetration through protective wrapper and wrapper as a whole makes less than approximately 50 g/m2/day, according to calculation as per ISO Standard 2528:1995. ^ EFFECT: development of cheap unitised packaging container, which provides good protection of sheets and is convenient to carry. ^ 23 cl, 12 dwg |
