Two-ply blank (cold sealable)
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United States of America Patent
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N/A
Issued Date -
Oct 6, 2005
app pub date -
Mar 18, 2005
filing date -
Mar 18, 2004
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An element (1) punched out in a cover shape, for sealing of containers (7), includes a first ply (2) and a second inner ply (3) which is provided with a heat-sealable layer (5) on its side facing the container. The plies (2, 3) are connected to one another over their surface sides (2', 3'.) facing one another by a cold-sealing layer (4), the adhesion between the plies (2, 3) being lower than that between the inner ply (3) and the container edge (8). On the inner ply (3) there can be scoring (10) which is exposed by peeling off the outer ply (2). If for example packaged material which is suited for heating in a microwave oven is stored in the container (7), the steam which forms during heating can escape through the scoring (10).
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