Patent ID: 9681499
Date: 2017-06-13
CPC Classifications: B65D,H05B

Claim:
1. A food package for cooking, storing and heating of ready-to-eat food, the food package prepared by a process comprising steps of: providing a food container, sealing the food package from ambient air with a plastic film; the plastic film provided with an opening covered by a thermoelastic material to form an openable and resealable valve membrane, wherein an adhesion between the valve membrane and a surface of the plastic film proximate the opening which the thermoelastic material is applied on is lower in a first area than in a second area, wherein said first area extends in a direction at least between said opening of said plastic film and an edge of said valve membrane, such that a canal may be created between said opening and a valve membrane periphery during cooking and/or heating of said ready-to-eat food, wherein the valve membrane has a production machine direction of the thermoelastic material, along which polymers of the thermoelastic material are pre-stretched, which has a relationship to said direction of said first area such that an angle therebetween is within an interval of 60° to 90°.