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    • 79. 发明申请
    • Injection-Moulding Machine
    • 注塑机
    • US20130287886A1
    • 2013-10-31
    • US13978783
    • 2012-01-02
    • Stefan SchweiningerChristian Wagner
    • Stefan SchweiningerChristian Wagner
    • B29C45/17B29C45/03
    • B29C45/17B29C45/03B29C45/281
    • An injection-moulding machine comprising a hot runner, arranged in a manifold, for feeding a melt into a mould, a shut-off needle for optionally closing or opening the hot runner, a piston connected to the needle, is arranged in a housing with an opening and to which a fluid can be applied from both sides, and a covering plate having two fluid feeds, into the opening wherein the covering plate, the hot runner manifold and the housing are arranged in such a way that, at a first temperature of the manifold, a distance remains between the housing and the covering plate and, at a second higher temperature the thermal expansion of the manifold and/or housing causes the housing to come into contact with the covering plate, closing the opening. In a further embodiment, a flexible seal is provided between the housing and the covering plate.
    • 一种注射成型机,包括设置在歧管中的热流道,用于将熔体输送到模具中,用于可选地关闭或打开热流道的关闭针,连接到针的活塞,布置在具有 开口,并且可以从两侧施加流体,以及具有两个流体进料的盖板进入开口,其中所述盖板,所述热流道歧管和所述壳体以这样的方式布置,使得在第一温度 在第二较高温度下,歧管和/或壳体的热膨胀导致壳体与盖板接触,从而封闭开口。 在另一个实施例中,在壳体和覆盖板之间提供柔性密封。