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    • 10. 发明申请
    • SYSTEM AND METHOD FOR FORMING AN INTEGRATED TIMER/SENSOR FOR USE IN VACUUM PACKAGING
    • 用于形成用于真空包装的集成定时器/传感器的系统和方法
    • WO2004078590A2
    • 2004-09-16
    • PCT/US2004/006768
    • 2004-03-05
    • TILIA INTERNATIONAL INC.WU, HongyuALBRITTON, Charles, WadeBRAKES, David
    • WU, HongyuALBRITTON, Charles, WadeBRAKES, David
    • B65B
    • B65D81/2038B31B2241/00B65B9/042B65B61/025B65B2009/047B65D33/004
    • A vacuum bag can comprise a first panel and a second panel, wherein each panel comprises a gas-impermeable base layer and a heat-sealable inner layer with at least one panel having a timer and/or sensor embedded or encapsulated by the inner layer. The timer and/or sensor can be used to monitor storage time, contents, and/or the condition of packaged products, or can be used to protect contents. In one embodiment, a method for forming such a bag between a cooling roll and laminating roll includes feeding a gas-impermeable material to a nip formed between the rolls. Resin is extruded to the nip such that the resin fills a plurality of cavities of the cooling roll, forming an inner layer that adheres to the gas-impermeable material. A resultant sheet is then folded to form the first and second panel and sealed such that an envelope is formed. This description is not intended to be a complete description of, or limit the scope of, the invention. Other features, aspects, and objects of the invention can be obtained from a review of the specification, the figures, and the claims.
    • 真空袋可以包括第一面板和第二面板,其中每个面板包括气体不可渗透的基底层和可热密封的内层,其中至少一个面板具有被内层嵌入或封装的定时器和/或传感器。 定时器和/或传感器可用于监视包装产品的存储时间,内容和/或状况,或可用于保护内容。 在一个实施例中,用于在冷却辊和层压辊之间形成这种袋的方法包括将气体不可渗透材料供给到在辊之间形成的辊隙。 将树脂挤出到辊隙,使得树脂填充冷却辊的多个空腔,形成粘附到气体不可渗透材料的内层。 然后将得到的片材折叠以形成第一和第二面板并密封,使得形成封套。 本说明书不是对本发明的完整描述或限制本发明的范围。 本发明的其它特征,方面和目的可以通过对说明书,附图和权利要求的评论来获得。