B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 17/28 (2006.01) B65D 33/16 (2006.01) B65D 33/25 (2006.01) B65D 33/30 (2006.01) B65D 75/58 (2006.01)
Patent
CA 2070198
ABSTRACT OF THE DISCLOSURE A hermetic pouch for food products having walls formed of laminated films which comprise one or more layers of polymeric material such as nylon, polyester, or polyethylene, and which may further include a layer of metal foil. The pouch includes a sealed edge portion which is weakened in a predetermined area to facilitate tear initiation. The weakened area is confined to a minor portion of the seal area extending along one side edge of the pouch, so that the pouch may readily be opened by tearing inward from the edge through the weakened area. The remainder of the seal area is resistent to such tearing to avoid accidental tear initiation at undesired locations. In the preferred embodiment, each of the walls includes at least one barrier layer. The weakened area is preferably made susceptible to tearing by provision of a plurality of discontinuities in at least one layer of at least one of the walls. In one embodiment of the invention, two weakened areas are provided opposite one another on upper portions of the side edges of the pouch, in proximity to the upper edge of the pouch, whereby the top of the pouch may be torn off from either side. The pouch may have a reclosable closure extending across its width between its side edges beneath the weakened areas.
Kraft General Foods Inc.
Lymn Kimberly J.
Mcfadden Fincham
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