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    • 1. 发明授权
    • Carton blank
    • 纸箱空白
    • US5632404A
    • 1997-05-27
    • US587467
    • 1996-01-17
    • Joseph C. Walsh
    • Joseph C. Walsh
    • B31B7/00B65D5/56B65P5/56
    • B65D5/563B32B37/12B31B2217/0084
    • A carton blank comprising a relatively rigid material having an inner surface, having a central body portion and opposite edge portions and wherein a relatively flexible material, preferably fluid impervious, having a central body portion and opposite edge portions has its central body portion secured to the central body portion of the relatively rigid material and the opposite edge portions of the relatively rigid material and the relatively flexible material are not secured to each other. In some instances strips of another relatively flexible material are secured to the opposite edge portions of the relatively flexible material but are not secured to the opposite edge portions of the reactively rigid material. In other instances, a plurality of spaced apart strips of a relatively flexible material are superposed over portions of a relatively rigid material and a plastic coating is applied to the exposed surfaces thereof.
    • 一种纸箱坯料,其包括具有内表面的相对刚性的材料,其具有中心主体部分和相对的边缘部分,并且其中具有中心主体部分和相对边缘部分的优选不透流体的相对柔性材料的中心主体部分固定到 相对刚性材料的中心主体部分和相对刚性材料的相对边缘部分和相对柔性的材料彼此不固定。 在一些情况下,另一相对柔性材料的条带被固定到相对柔性材料的相对边缘部分,但是不固定到反应刚性材料的相对边缘部分。 在其他情况下,多个间隔开的相对柔性材料的条带重叠在相对刚性材料的部分上,并且将塑料涂层施加到其暴露的表面上。