B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/119, 217/126
B32B 27/08 (2006.01) B65B 11/52 (2006.01) B65B 51/10 (2006.01) B65D 75/58 (2006.01) B65D 75/26 (2006.01) B65D 75/32 (2006.01)
Patent
CA 1292410
ABSTRACT OF THE DISCLOSURE A first web having an ionomer, or ionomer/ethylene vinyl acetate copolymer (EVA) sealant layer, heat sealed to a second web having an EVA/ ethylene 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.
560685
Davis Kent A.
Friedrich Steven G.
Cryovac Inc.
Smart & Biggar
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