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    • 2. 发明授权
    • Recloseable retort pouch
    • 可重新封闭的蒸馏袋
    • US06719678B1
    • 2004-04-13
    • US09514840
    • 2000-02-28
    • Ran Stern
    • Ran Stern
    • B31B190
    • B65D75/5816B65D33/2508B65D33/2533B65D75/5805
    • There is provided machinery and a method for manufacturing a stand-up retort pouch. The pouch has at least two opposed sheets of retort-resistant laminate material and a bottom gusset. It further has a recloseable fastener between the opposing sheet surfaces thereof, the recloseable fastener extending from a first side outer edge to an opposing second side outer edge and adjacent to at least one outer edge. The sheet surfaces are each scored with a laser score line. The laser score lines are in registration with one another and parallel with the recloseable fastener. The sheets are heat-sealed together along the top and side outer edges thereof and together with the gusset at a bottom edge thereof. The disclosed pouch is burst-resistant when sealed after first being filled with wet contents and subsequently being subjected to retort processing.
    • 提供了用于制造立式蒸煮袋的机械和方法。 小袋具有至少两个相对的耐蒸煮层压材料和底部角撑板。 它还在其相对的片材表面之间具有可再封闭的紧固件,可再封闭的紧固件从第一侧外边缘延伸到相对的第二侧外边缘并与至少一个外边缘相邻。 片材表面均用激光刻痕线划线。 激光刻痕线彼此对准并与可再封闭的紧固件平行。 片材沿其顶部和侧部外边缘以及角撑板在其底部边缘处一起被热密封在一起。 在首先填充湿含量之后,当密封时,所公开的袋是抗爆的,随后进行蒸煮处理。