Pillar bag
    1.
    发明授权
    Pillar bag 失效
    支柱袋

    公开(公告)号:US5823718A

    公开(公告)日:1998-10-20

    申请号:US790551

    申请日:1997-01-30

    CPC分类号: E02D15/02 E21D15/483

    摘要: A pillar bag which is made from a synthetic fabric which is folded, at vertically spaced intervals, to form a number of sheaths, with each sheath housing a reinforcing ring.

    摘要翻译: 由合成织物制成的柱形袋,其以垂直间隔的间隔被折叠以形成多个护套,每个护套容纳加强环。