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    • 2. 发明授权
    • Bulk containers
    • 散货箱
    • US4010784A
    • 1977-03-08
    • US622740
    • 1975-10-15
    • Frank NattrassPeter Johnson Nattrass
    • Frank NattrassPeter Johnson Nattrass
    • B65D88/16B65D33/14
    • B65D88/1668B65D88/1612B65D88/1681
    • A bag for transporting bulk quantities of powdered or granular material, the bag having a top and four separate lifting loops disposed around the top, each loop having a bight and two spaced legs. Each leg is secured to the fabric of the bag by folding a section of the fabric to a substantially S-shaped configuration along fold lines extending from the top towards the bottom of the bag to form three overlying thicknesses of fabric and stitching through the three thicknesses of fabric and the leg. The resulting characteristic shape of the bag provides inherent stability to the bag and the stitching technique allows high factors of safety to be obtained. In a presently preferred embodiment, the filled bag has a shape resembling that of a wide-necked bottle, with a broader base and a tapered top.
    • 用于运输大量粉末或颗粒材料的袋子,该袋子具有顶部和四个单独的提升环,其围绕顶部设置,每个环具有弯曲和两个间隔开的腿。 通过将织物的一部分折叠成从袋的顶部向底部延伸的折叠线,将织物的一部分折叠成大致S形的构造,将每个腿固定到袋的织物上,以形成织物的三个上覆厚度,并通过三个厚度缝合 的面料和腿。 所产生的袋的特征形状为袋子提供固有的稳定性,并且缝合技术允许获得高安全性因素。 在目前优选的实施例中,填充袋具有类似于宽颈瓶的形状,具有更宽的基部和锥形顶部。