PACKAGING
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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app pub date -
Jul 13, 2015
filing date -
Jul 8, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A packaging wrapper is made of material having inner and outer laminate structures bonded together. A peelable flap is defined in the wrapper by means of offset score lines in the laminate structures, the structures being bonded together in a marginal region between the score lines by means of a peelable adhesive. In one aspect of the invention, the score lines are formed using a pair of contra-rotating die cylinders positioned on opposite sides of the laminated film Each cylinder contacts a respective laminate structure and has a blade for forming a score line in that structure. In another aspect, the laminate structures are bonded together using a single peelable adhesive both within and outside of the marginal region. In a further aspect, the structures are not bonded together in at least part of the marginal region to provide a lifting tab for the flap.
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