Blow molding process for production of hollow type articles
    101.
    发明授权
    Blow molding process for production of hollow type articles 失效
    用于生产中空型制品的吹塑工艺

    公开(公告)号:US5190715A

    公开(公告)日:1993-03-02

    申请号:US702296

    申请日:1991-05-20

    摘要: A blow molding process of producing molded articles including the steps of extruding a parison of the plasticized material from a die into a gap between mold halves while the mold is open and blowing gas into the parison, while the mold is closed, to have the parison form a molded hollow article within the mold. The parison is heated before molding by heating the inner shell contoured parts of the mold at the surfaces thereof and the plasticized material at the outer surface by using an instantaneous radiation heater disposed in the mold half gap to partially encompass the parison while the mold is open and the inner shell contoured part is heated by a heating medium passed through the heat medium passages. The molded article is cooled by cooling the mold at the inner shell contoured parts thereof by flowing a cooling medium through the heat medium passages of the mold while the mold is closed. The cooling of the mold occurs alternately with the heating of the mold by the heating medium.

    摘要翻译: 一种生产模塑制品的吹塑工艺,包括以下步骤:当模具打开时,将塑型材料的型坯从模具挤出到模具半部之间的间隙中,同时在模具闭合的同时将型坯吹入型坯,以使型坯 在模具内形成模制的中空制品。 在模制之前,通过使用设置在模半间隙中的瞬时辐射加热器在模具打开的同时加热模具的内壳轮廓部分和外表面处的塑化材料来加热型坯 并且内壳轮廓部分被通过热介质通道的加热介质加热。 通过在模具闭合的同时使冷却介质流过模具的热介质通道来冷却模制件的内壳轮廓部分来模制成型制品。 模具的冷却与加热介质的模具的加热交替地发生。

    Equipment for making composite tubes including an inflatable heated
bladder and a composite mold having a negative coefficient of thermal
expansion
    102.
    发明授权
    Equipment for making composite tubes including an inflatable heated bladder and a composite mold having a negative coefficient of thermal expansion 失效
    用于制造复合管的设备,包括可膨胀的加热气囊和具有负热膨胀系数的复合模具

    公开(公告)号:US5071506A

    公开(公告)日:1991-12-10

    申请号:US471002

    申请日:1990-01-25

    摘要: A process and equipment for making seamless composite tubes. Composite material is applied on a mandrel which includes an inflatable bladder and inserted in a single piece mold. The bladder is pressurized for pressing the composite material against the mold wall for molding and curing thereof. In order to prevent seizing of the tube by the mold and thus allow easy removal of the cured tube, the mold is composed of a composite of resin impregnated carbon fiber material wherein the carbon fiber material has a negative coefficient of thermal expansion along the length thereof and is oriented at an angle of between about 15 and 40 degrees relative to a radial plane of the mold. In order to eliminate the use of inefficient and inconvenient cure ovens, a heat generating element is disposed internally of the mandrel for curing of the composite material.

    摘要翻译: 制造无缝复合管的工艺和设备。 将复合材料施加在包括可膨胀囊并插入单件模具中的心轴上。 加压气囊以将复合材料压靠在模具壁上以进行模制和固化。 为了防止由模具卡住管,从而容易地除去固化管,该模具由树脂浸渍碳纤维材料的复合材料构成,其中碳纤维材料沿其长度具有负的热膨胀系数 并且相对于模具的径向平面以约15度至40度的角度定向。 为了消除使用无效率和不方便的固化炉,发热元件设置在心轴的内部以固化复合材料。

    Method of compression molding on hot surfaces
    103.
    发明授权
    Method of compression molding on hot surfaces 失效
    在热表面上压缩成型的方法

    公开(公告)号:US5064597A

    公开(公告)日:1991-11-12

    申请号:US435639

    申请日:1989-11-13

    申请人: Bang M. Kim

    发明人: Bang M. Kim

    摘要: A mold structure including layers with different physical properties is used to provide hot surface during molding. The use of a thin layer of low thermal conductivity covered by a smooth skin layer prevents quick cooling of the surface of the pre-heated plastic to be molded. The plastic surface remains molten and flows to fill the mold during press closing, resulting in smooth surfaces even when fiber reinforced plastics are used.

    摘要翻译: 包括具有不同物理性质的层的模具结构用于在模制期间提供热表面。 使用由光滑表层所覆盖的低热导率的薄层防止待模制的预热塑料表面的快速冷却。 塑料表面保持熔融并流动,以在压力关闭期间填充模具,即使使用纤维增强塑料也可以使表面光滑。

    TOOL FOR USE IN CONSOLIDATION OF A FIBRE-REINFORCED COMPONENT

    公开(公告)号:US20190193344A1

    公开(公告)日:2019-06-27

    申请号:US16214737

    申请日:2018-12-10

    摘要: A tool for use in consolidation of a fibre-reinforced component has an outer casing supported by an internal structure. The outer casing has a first contact surface, which is provided for the purpose of resting flat against the component during the consolidation of the component and predetermining a shape of the component in some section or sections. The internal structure and the outer casing are configured in such a way that, when the tool is heated from an initial temperature to a consolidation temperature required for the consolidation of the component, the tool expands in such a way perpendicularly to the first contact surface that a defined first pressure is exerted on the component by the first contact surface. The use of a component of this kind is furthermore claimed and described.