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    • 5. 发明申请
    • CONTAINER HAVING COMPOUND FLEXIBLE PANELS
    • 具有复合柔性面板的集装箱
    • WO2011011183A1
    • 2011-01-27
    • PCT/US2010/040857
    • 2010-07-02
    • GRAHAM PACKAGING COMPANY, L.P.HOWELL, Justin, A.LEWIS, Benton, A.UNGRADY, Eric, B.SHAH, Sunil, S.
    • HOWELL, Justin, A.LEWIS, Benton, A.UNGRADY, Eric, B.SHAH, Sunil, S.
    • B65D1/02B65D79/00
    • B65D1/0223B65D79/005
    • A plastic container (10) that is adapted for adjustment to internal volumetric changes such as those that occur as a result of internal pressure and temperature changes during the hot-fill process includes a container body (12)defining an internal space (24). The container body has at least one flexible (26,28) panel defined therein, which includes an outer flexible panel portion (38)and an inner flexible panel portion (40). The outer flexible panel portion has a shape when a pressure equilibrium exists between the internal space and ambient external pressure, and is further constructed and arranged to assume a shape of increased concavity when a sufficient underpressure exists in the internal space. The inner flexible panel portion is constructed and arranged to flex relative to the outer flexible panel portion in order to accommodate internal pressure changes within the container body. The inner and outer flexible panel portions accordingly work in tandem to permit efficient vacuum uptake in a hot-fill type container. In addition, a boundary (42) between the outer and inner flexible panel portions is preferably entirely curved.
    • 适于调节内部体积变化的塑料容器(10),例如在热灌装过程中由于内部压力和温度变化而发生的那些变化,包括限定内部空间(24)的容器主体(12)。 容器主体具有限定在其中的至少一个柔性(26,28)面板,其包括外部柔性面板部分(38)和内部柔性面板部分(40)。 外部柔性面板部分在内部空间与周围外部压力之间存在压力平衡时具有形状,并且当在内部空间中存在足够的负压时,进一步构造和布置为呈现增大的凹度的形状。 内部柔性面板部分被构造和布置成相对于外部柔性面板部分弯曲,以便容纳容器主体内的内部压力变化。 内部和外部柔性面板部分相应地串联工作以允许在热填充型容器中有效的真空吸收。 此外,外部和内部柔性面板部分之间的边界(42)优选完全弯曲。