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    • 7. 发明公开
    • DOUBLE CONTAINER AND MANUFACTURING METHOD FOR SAME
    • 双容器及其制造方法
    • EP3222542A1
    • 2017-09-27
    • EP16859836.5
    • 2016-10-26
    • Heiwa Kagaku Industry Co., Ltd.
    • HATAKEYAMA KazuyukiHATAKEYAMA Harumasa
    • B65D1/02B29C49/04B29C49/22B29C49/48B29C49/72B65D1/00
    • B65D23/02B29C49/04B29C49/22B29C49/48B29C49/4802B29C49/72B29C2049/4805B29K2023/0633B29K2023/086B29K2023/12B29K2905/02B29K2905/12B29L2031/712B65D1/00B65D1/02B65D1/023B65D41/04
    • Provided are a double container assembly comprising: a double container comprised of a relatively-rigid outer container and a flexible inner container disposed inside the outer container and capacity-variable in response to an amount of a content thereof, and capable of being easily produced using a molding apparatus which is not largely different from a conventional type; and a threaded cap, and a manufacturing method for the double container assembly, wherein the double container assembly and the manufacturing method can form an external air introducing opening in the double container significantly easily and reliably at a lower processing cost than that in conventional techniques. During the course of moving a pair of partial molds to come close to each other so as to combine them together to make up a split mold, a portion of a parison corresponding to a small-outer-diameter region of a double container is clamped by at least respective parts of mating surfaces of the pair of partial molds, to thereby form a protruding tub piece. Then, the protruding tub piece is cut off to form a space between the outer and inner containers of the double container, and an opening area of the space is sufficiently expanded through an operation of threadingly engaging the cap with the double container.
    • 本发明提供一种双重容器组装体,其特征在于,具备:双重容器,其由刚性较高的外容器和配置在该外容器内部且根据其内容物的容量可变的柔性内容器构成,能够容易地使用 与传统类型没有太大区别的成型设备; 螺纹盖以及双层容器组件的制造方法,其中双层容器组件和制造方法能够以比常规技术低的加工成本大大简单且可靠地在双层容器中形成外部空气引入开口。 在移动一对部分模具彼此靠近以便将它们结合在一起以组成分离模具的过程中,对应于双重容器的小外径区域的型坯的一部分被夹紧 该一对分模具的配合表面的至少各个部分,从而形成突出的桶状件。 然后,将突出的桶部件切开以在双层容器的外部容器和内部容器之间形成空间,并且通过将帽与双层容器螺纹接合的操作,空间的开口面积被充分地扩大。