Patent ID: 9440780
Filing Date: 2016-09-13
CPC Classification: B65D

Claim Text:
1. A package comprising a container including a sleeve including a top wall, an opposite bottom wall spaced apart from the top wall, a first side wall interconnecting the top and bottom walls, and a second side wall spaced apart from the first side wall and arranged to interconnect the top and bottom walls, a first end closure interconnecting the first and second side walls and the top and bottom walls along a first end of the sleeve, and a second end closure interconnecting the first and second side walls and the top and bottom walls along a second end of the sleeve and an opening system formed in the first side wall of the sleeve and configured to provide a mouth opening into an interior region formed in the container to cause products stored in the interior region to be accessible by a user in response to application of a first separation force applied to the top wall along the first side wall and a second separation force applied to the top wall opposite the first separation force along the first side wall after heating of the package has completed without causing a passageway to be formed in the container before heating or during heating so that steam and pressure are generated in a controlled manner during heating wherein the opening system comprises a heat-sealable sub-layer formed from at least one polypropylene/alpha-olefin copolymer and at least one polyethylene polymer resin.