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    • 90. 发明公开
    • Thermoplastic resin sheet manufacturing process and its apparatus
    • 一种用于生产热塑性树脂层,及装置的过程。
    • EP0464790A1
    • 1992-01-08
    • EP91111024.5
    • 1991-07-03
    • SEKISUI KAGAKU KOGYO KABUSHIKI KAISHA
    • Urui, YasuhiroOmizu, Morimasa
    • B29D9/00B29C47/14
    • B32B37/153B29C47/0021B29C47/043B29C47/065B29C47/14B32B17/10247B32B17/10339B32B17/1055
    • An apparatus and process for making extruded colored thermoplastic resin sheets is shown and described. In this process, a colored thermoplastic sheet material is encapsulated within a clear material. The colored material as it merges with the clear material is subjected to a clear material flow direction vector which causes the colored material to spread or become wider than the color material orifice. The spreading due to clear material flows in a widthwise direction produces a uniform taper to the colored edge, and the point at which the colored material stops and the finished product is barely perceptible. In this apparatus, a clear flow thermoplastic extrusion die has placed within its manifold a colored material distributing inner pipe which has an orifice for inserting color material into the flow of the clear material. The color insertion occurs at a point where the clear material has a flow vector in the widthwise direction and towards the clear portion of the finished product.
    • 用于制备挤出的有色热塑性树脂片材的设备和方法被示出和描述。 在这一过程中,着色的热塑性片材是透明的材料内包封。 因为它与透明材料合并的着色材料进行这使得着色材料扩散或变得抵抗比色材料孔口透明材料流动方向矢量。 扩频由于透明材料流在宽度方向上产生均匀的锥度到着色边缘,并且在该点的着色材料停止,成品是几乎察觉不到。 在该装置中,它有歧管内放置的着色材料分布其具有孔口用于插入色材料到透明材料的流动管内明确流动热塑挤压。 彩色广告出现在其中透明材料具有在宽度方向上并朝向成品的透明部分的流动向量的点。