B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/10 (2006.01) B32B 3/02 (2006.01) B32B 27/08 (2006.01) B32B 27/32 (2006.01) B32B 27/36 (2006.01) B32B 38/04 (2006.01)
Patent
CA 2568072
A film having a line of weakness and a method for making a film having a line of weakness are provided. The film has a barrier layer of extruded ethylene vinyl alcohol laminated on one side to a first layer of oriented polypropylene having a score line therein. The barrier layer is laminated on its second side to a second layer of polyethylene teraphthalate having a score line therein. The score line in the oriented polypropylene layer and the score line in the polyethylene teraphthalate layer lie in a plane substantially perpendicular to a plane of the film forming the line of weakness.
Ehrenberger Anne L.
Perre Chad M.
Alcan Packaging Flexible France
Exopack Llc
Norton Rose Canada S.e.n.c.r.l.,s.r.l./llp
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