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    • 1. 发明申请
    • EASY-OPEN SELF-VENTING MICROWAVABLE TRAY AND OVERWRAP
    • 易于开启的可自动扫描的托盘和OVERWRAP
    • WO2015012836A1
    • 2015-01-29
    • PCT/US2013/052021
    • 2013-07-25
    • BEMIS PERFORMANCE PACKAGING, INC.
    • KLIPSTINE, Keith, A.MURDICK, Brian, K.BOUGIE, Blake, A.CRUZ, Tara, K.
    • B65D81/34
    • B65D81/343B65D75/5833B65D77/003B65D77/2032B65D77/2036B65D2205/00
    • The present invention relates to improved manually openable self-venting ovenable packages which include a rigid or semi-rigid tray having a single thermoplastic overwrap comprising a polymeric laminate surrounding the tray and having a front pane! and an opposing back panel. The inventive packages also include a continious seal circumscribing a recessed cavity of the tray which comprises a heat sea! formed by heat sealing a portion of the front panel to the peripheral flange of the tray. The packages of the present invention are self-venting whereby a venting region comprising a release coating applied between the inner surface of the front pane! and the inner surface of the back panel permits the overwrap to rupture and release steam in response to heat and/or overpressure generated during heating of a food item in a microwave oven.
    • 本发明涉及改进的可手动打开的自放热可烘烤包装,其包括刚性或半刚性托盘,该刚性或半刚性托盘具有单个热塑性外包裹物,其包括围绕该托盘并具有前窗格的聚合层压板。 和相对的后面板。 本发明的包装还包括限定托盘的凹腔的连续密封,其包括热海! 通过将前面板的一部分热封到托盘的周边凸缘上而形成。 本发明的包装是自排气的,其中通风区域包括施加在前板的内表面之间的脱模涂层! 并且背面板的内表面允许外包层破裂并响应于在微波炉中的食品加热期间产生的热和/或超压而破裂蒸汽。