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    • 11. 发明申请
    • Method for Compression Molding Plastic Articles
    • 塑料制品压缩成型方法
    • US20080290558A1
    • 2008-11-27
    • US12186343
    • 2008-08-05
    • Scott W. Steele
    • Scott W. Steele
    • B28B5/08
    • B29C43/08B29C31/048B29C43/34B29C2043/3411B29C2043/3472Y10S425/809
    • Apparatus for compression molding plastic articles includes a plurality of molds mounted for travel around a first axis. Each mold includes an upper mold section and a lower mold section, with at least one of the upper and lower mold sections being moveable in a non-circular first endless path, and being moveable with respect to the other mold section to form a mold cavity. A mold charge delivery system delivers individual mold charges to the mold cavities and includes at least one delivery mechanism that travels in a second endless path around a second axis spaced from the first axis, wherein the second endless path overlies a portion of the first endless path.
    • 用于压塑塑料制品的装置包括安装成围绕第一轴行进的多个模具。 每个模具包括上模具部分和下模具部分,其中上模具部分和下模具部分中的至少一个可在非圆形第一环形路径中移动,并且可相对于另一模具部分移动以形成模腔 。 模具充电输送系统将单独的模具电荷输送到模具腔,并且包括至少一个输送机构,其在第二环形路径中围绕与第一轴线间隔开的第二轴线行进,其中第二环形路径覆盖第一环形路径的一部分 。
    • 17. 发明授权
    • Method for thermally conditioning a thermoplastic preform
    • 热塑性预成型件热处理方法
    • US4571173A
    • 1986-02-18
    • US652244
    • 1984-09-20
    • Long F. ChangScott W. Steele
    • Long F. ChangScott W. Steele
    • B29C35/08B29C49/64F27B9/12
    • B29C49/6409B29C2035/0822B29K2067/00
    • A method is disclosed for thermally conditioning an essentially tubular parison of polyethylene terephthalate material to a desired orientation temperature at which the polyethylene terephthalate material can be biaxially stretched. The method comprises the steps of heating the parison by applying heat to the exterior surface thereof until the surface reaches a maximum heating temperature less than the temperature at which the polyethylene terephthalate material begins to crystalize and then cooling the heated exterior surface of the parison to remove the heat therefrom while the heat within the wall of the parison diffuses therethrough to raise the temperature of the opposing interior surface toward the desired orientation temperature. The method further includes the subsequent steps of reheating the parison by applying heat to the cooled exterior surface thereof until the surface reaches a temperature no higher than the maximum heating temperature to again add heat within the wall of the parison and then recooling the reheated exterior surface of the parison to again remove the heat therefrom until the additional heat within the wall of the parison diffuses therethrough to further raise the temperature of the opposing interior surface to approximately the desired orientation temperature so that the temperature through the wall of the parison is substantially uniform from the reheated exterior surface to the opposing interior surface.
    • 公开了一种用于将基本上管状的聚对苯二甲酸乙二醇酯材料型坯加热至可以双轴拉伸聚对苯二甲酸乙二醇酯材料的所需取向温度的方法。 该方法包括以下步骤:通过对其外表面施加热量来加热型坯,直到表面达到低于聚对苯二甲酸乙二醇酯材料开始结晶的温度的最大加热温度,然后冷却型坯的加热外表面以除去 来自其中的热量,同时型坯壁内的热量扩散通过其中,从而使相对的内表面的温度朝着期望的取向温度升高。 该方法还包括随后的步骤,通过对其冷却的外表面施加热量再加热型坯,直到表面达到不高于最大加热温度的温度,以再次在型坯的壁内加热,然后重新加热再加热的外表面 从而再次除去热量,直到型坯壁内的额外热量扩散通过其中,以使相对的内表面的温度进一步提高到大约所需的取向温度,使得通过型坯壁的温度基本上是均匀的 从再加热的外表面到相对的内表面。