Thermoformable, heat-sealable and heat-shrinkable multilayer film and method of using the film for producing packaging trays and packages
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United States of America Patent
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Apr 23, 2013
Grant Date -
Dec 10, 2009
app pub date -
Aug 28, 2007
filing date -
Aug 30, 2006
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Abstract
Sealable, thermoformable, heat-shrinkable multi-layer film having a symmetrical construction around a two-ply inner layer, and having a heat shrinkability in machine direction and in cross direction of in each case at least 20% at 93° C., the heat-shrinkability being substantially unaffected by thermoforming, and use thereof with specially equipped packaging machines.
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