| 摘要 |
<p>Food package (1) for use in microwave ovens comprising a tray (2) for containing food, the tray (2) having an upstanding side wall (3) with an upper edge (4) to which a plastic film (5) is bonded, the film forming a substantially airtight cover for the tray (2), wherein the bonding between the plastic film (5) and the upper edge (4) of the tray (2) is in such a way weakened on at least a portion (6) of the upper edge, that the bonding is provided to come loose when the pressure inside the package (1) builds up to predetermined value as a result of heating the food, the predetermined value being reached after a predetermined cooking time. <IMAGE></p> |
