Process for producing an easily opened package
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United States of America Patent
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-
Jun 18, 1991
Issued Date -
N/A
app pub date -
May 5, 1989
filing date -
Jun 12, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A first web having an ionomer, or ionomer/ethylene vinyl acetate copolymer (EVA) sealant layer, heat sealed to a second web having an EVA/ethytlene butene copolymer (EBC)/polypropylene (PP) sealant layer, forms an easily opened package. A layer adjacent the sealant layer of the second web optionally includes PP or ethylene propylene copolymer. With this optional layer, the sealant layer of the first web may comprise a polymeric material which forms strong interweb adhesion upon heat sealing.
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