FIELD: package and storage.
SUBSTANCE: packaging material is intended for packing of liquid food products. Material includes a volume layer containing at least one crease line to facilitate bending of the packing material into the package. Crease line is formed as an impression on the primary side of the packing material and as a convexity on the secondary side of the packing material. Impression is formed in the form of an elongated groove having a triangular profile. Surface layer is a fibrous layer having density higher than 300 kg/m3 and flexural stiffness index from 6.0 to 24.0 Nm6/ kg3 in accordance with method ISO 2493-1 and SCAN-P 29:95 (equivalent to 0.5 to 2.0 Nm7/ kg3).
EFFECT: invention provides formation of hinge, having a single axis of rotation.
21 cl, 46 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PACKAGE | 2015 |
|
RU2685028C2 |
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