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    • 6. 发明授权
    • Packaged food articles with enriched headspace
    • 包装丰富的顶空食品
    • US06793950B1
    • 2004-09-21
    • US09464779
    • 1999-12-17
    • William E. ArchibaldJonathan W. DevriesDonald P. MesserEllen M. Silva
    • William E. ArchibaldJonathan W. DevriesDonald P. MesserEllen M. Silva
    • B65D8120
    • B65D77/2024A23C9/1307A23C2240/20B65B31/00B65D81/2069
    • A packaged food article of improved appearance and stackability comprises an unpressurized, imperforate container having an opening, wherein the container is fabricated from a material having a low gas permeability. A quantity of gas releasing food stuff, such as an active cultured dairy product, is disposed within and partially fills the container, while defining a headspace volume which is not filled with the food stuff A peelable flexible seal membrane overlays and seals the opening. An initial headspace gas is enriched with the gas released from the food stuff, with the initial headspace gas being adapted to permeate the packaging material at a rate greater than both the rate in which gas is released from the food stuff within the container and the rate in which air permeates into the container, thereby avoiding outward bowing of the flexible seal during the shelf life of the packaged food article.
    • 具有改进的外观和可堆叠性的包装食品包括具有开口的非加压无孔容器,其中容器由具有低透气性的材料制成。 一定数量的排放空气的食物如活性培养的乳制品被设置在容器内并部分地填满容器,同时限定未填充食物的顶部空间容积。可剥离的柔性密封膜覆盖并密封开口。 最初的顶空气体富含从食物中释放的气体,其中初始顶部空间气体适于以大于从容器内的食物释放气体的速率的速率渗透包装材料,并且速率 其中空气渗透到容器中,从而在包装的食品的保质期期间避免柔性密封的向外弯曲。