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    • 5. 发明授权
    • Inflatable self-supporting bag
    • 充气自支撑袋
    • US4941754A
    • 1990-07-17
    • US358121
    • 1989-05-26
    • Paul Murdock
    • Paul Murdock
    • B65F1/14
    • B65F1/14B65F2220/116
    • An inflatable self-supporting bag formed from a single sheet of flexible air impervious material and having a single ply lower portion defining a bottom wall and a lower portion of a bag side wall and an inflatable upper portion formed by two plies including an inner ply and an outer ply defining an air chamber therebetween. The inner and outer plies are connected together in face-to-face relation along a plurality of spaced apart lines of attachment which divide the air chamber into a plurality of intercommunicating sections which impart a generally cylindrical shape to the upper portion of the bag when it is inflated. A tubular inflating member having an associated removable plug is provided for inflating the upper portion of the bag.
    • 一种可膨胀的自支撑袋,由一片柔性不透气材料形成,并且具有限定袋侧壁的底壁和下部的单层下部,以及由两层构成的可膨胀上部,包括内层和 在其间限定空气室的外层。 内层和外层沿着多个间隔开的连接线以面对面的关系连接在一起,其将空气室分成多个相互连通的部分,这些部分在其袋的上部具有大致圆柱形的形状 充气 提供具有相关联的可拆卸塞子的管状充气构件用于使袋的上部部分膨胀。