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    • 2. 发明授权
    • Container
    • 容器
    • US6161960A
    • 2000-12-19
    • US269788
    • 1999-04-01
    • Takayuki HiraokaTsuyoshi HamawakiTatsuya Ide
    • Takayuki HiraokaTsuyoshi HamawakiTatsuya Ide
    • B65D88/16B65D90/04B65D33/01
    • B65D90/046B65D88/1668B65D2590/046
    • A container for use in bulk transporting chemical goods, grains and the like, comprises a sack body in the form of a rectangular parallelepiped prepared from a cylindrical blown film. The container has a feeding end, a discharging end and a ventilating end. Enhanced pressure-resistive strength is obtained by improving the ventilating end-mounted design so as to have a specific shape. In one embodiment, a line slit is formed through the sack body, a cylindrical film is inserted into the slit, and the sack body and the cylindrical film are bonded to each other in line along the periphery of the slit so that the bonded corner spots, of the sack body and the cylindrical film, located at both ends of the slit, has a shape of a convex curve, for example, a circular shape or a ringed shape. This bonded structure makes it possible to deconcentrate pressure applied in using and filling the container without concentrating on the corner spot to prevent generation of pinholes and sack burst of the container.
    • PCT No.PCT / JP98 / 03804 Sec。 371日期1999年4月1日 102(e)1999年4月1日PCT PCT 1998年8月27日PCT公布。 出版物WO99 /​​ 11533 日期1999年3月11日用于散装运输化学品,谷物等的容器包括由圆柱形吹塑薄膜制成的长方体形状的袋体。 容器具有进料端,排出端和通风端。 通过改善通风端安装的设计以获得具有特定形状的增强的耐压强度。 在一个实施例中,通过袋体形成线狭缝,将圆柱形膜插入狭缝中,并且袋体和圆柱形膜沿着狭缝的周边线条彼此结合,使得粘合的角点 位于狭​​缝的两端的袋体和圆筒状薄膜具有凸曲线的形状,例如圆形或环形。 这种结合结构使得可以在使用和填充容器时施加的压力分散,而不会集中在角点上,以防止产生针孔并且破裂容器的爆裂。