FIELD: packaging industry.
SUBSTANCE: invention relates to a protective cover for paper cups, which has enhanced barrier properties. The protective cover with barrier properties comprises a polymeric layer which is the outermost inner layer and comprises the sealing layer of polyethylene and a layer of metal foil attached to the outer side of the outermost inner layer with a bonding layer. In the outermost inner layer there is a plurality of weakened areas extending radially from the center.
EFFECT: invention has good sealing capacity as well as ease of opening, due to the fact that the weakened areas facilitate tearing the outermost inner layer and a layer of metal foil.
14 cl, 10 dwg
Authors
Dates
2013-06-20—Published
2009-04-24—Filed