B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 27/06 (2006.01) B65D 65/40 (2006.01)
Patent
CA 2087726
2087726 9201558 PCTABS00010 A packaging carton consists of a laminate comprising inner and outer layers (7, 2) which serve to stiffen the laminate, and an intermediate layer (5) intermediate the inner and outer layers (7, 2) and by way of which the inner and outer layers (7, 2) are tied together. In one embodiment, the inner layer (7) and the intermediate layer (5) both serve as relatively good barriers to O2 migration, the intermediate layer (5) being EVOH or PA extruded or co-extruded onto the inner layer (7), which comprises M-PET, G-PET, M-OPP, G-OPP or greaseproof paper, the coated surface (8) of the M-PET, G-PET, M-OPP, or G-OPP, facing outwards. In another embodiment, an aluminium-metallized EVOH film constitutes the inner stiffening layer and has been extrusion-laminated by an intermediate LDPE layer to the outer stiffening layer.
Elopak Systems Ag
Long And Cameron
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