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    • 3. 发明专利
    • Manufacture of composite pipe
    • 复合管的制造
    • JPS60210428A
    • 1985-10-22
    • JP6637384
    • 1984-04-03
    • Mitsubishi Plastics Ind Ltd
    • MURAKAMI SAMON
    • F16L9/14B29C47/02B29C63/18B29C63/34
    • B29C47/021B29C47/0023B29C47/028
    • PURPOSE:To eliminate waste of heat energy while simplifying the production process by leading a preheated pipe into a cross head die with the outer surface of a metal pipe covered by a synthetic resin while the latent heat of the melted resin is used to thermally expand a synthetic resin pipe inserted through the metal pipe. CONSTITUTION:The outer surface of a synthetic resin pipe 2 or the inner surface of a metal pipe 1 is coated with an adhesive and then, the synthetic resin pipe 2 is inserted through the metal pipe 1. The metal pipes 1 through which the synthetic resin pipe 2 is inserted are joined sequentially through a core member 10 and carried into a heater 3. The metal pipes 1 carried into the heater 3 are heated until the synthetic resin pipe 2 inserted through the metal pipes 1 reaches a specified temperature indirectly as the outer surface therof is heated. Then, the metal pipe 1 preheated up to the specified temperature is introduced into a cross head die 4 to cover the outer surface of the metal pipe 1 with a melted resin 5 extruded from the die 4. As the outer surface of the metal pipe 1 is covered with a high temperature melted resin 5, the synthetic resin pipe 2 inserted through the metal pipe 1 is heated and thermally expanded by the latent heat of the melted resin 5 so that the inner surface of the metal pipe 1 will be put tight on the synthetic resin pipe 2.
    • 目的:为了消除热能浪费,同时简化生产过程,将预热管引入十字头模具,金属管的外表面由合成树脂覆盖,而熔融树脂的潜热用于热膨胀 合成树脂管插入金属管。 构成:合成树脂管2的外表面或金属管1的内表面涂覆有粘合剂,然后合成树脂管2插入金属管1中。合成树脂通过金属管1 管2被插入顺序地穿过芯构件10并被携带到加热器3中。加载到加热器3中的金属管1被加热直到通过金属管1插入的合成树脂管2间接地达到规定的温度为外部 表面加热。 然后,预热到规定温度的金属管1被引入到十字头模具4中,以从模具4挤出的熔融树脂5覆盖金属管1的外表面。作为金属管1的外表面 被高温熔融树脂5覆盖,通过金属管1插入的合成树脂管2被熔融树脂5的潜热加热并热膨胀,使得金属管1的内表面将被紧固 合成树脂管2。
    • 6. 发明专利
    • Manufacture of molding
    • 模具制造
    • JPS5920745A
    • 1984-02-02
    • JP13172882
    • 1982-07-28
    • Hashimoto Forming Co Ltd
    • MEKATA TETSUO
    • B29B7/00B29C47/00B29C47/02B60R13/04
    • B32B27/08B29C47/027B29C47/028B29C47/04B29L2031/302B32B27/36B32B2307/412B32B2605/08
    • PURPOSE:To obtain a molding that has a colored layer good in retainability, will be less deformed and is excellent in weather resistance, by carrying out extrusion, and then peeling off a resin layer stable at high temperatures. CONSTITUTION:A sheetlike material 1 is fed to an extrusion mold to be extruded and molded, and at the vicinity of a mouth piece outlet the colored resin layer 2 is welded to the surface part of the molding main body 5, that is the extruded and molded item, to form the colored layer 6. At this time, although the colored resin layer 2 is softened at a temperature of the resin forming the molding main body 4 and is welded to the main body 4, since the transparent resin layer 9 that is stable at high temperatures keeps the sheetlike state without softening, the colored resin layer 2 will not become out of order thereby forming the colored layer 6 that has a uniform appearance and is retained securely. After the extrusion molding, and before the annealing, when the resin layer 9 is peeled off, the colored resin layer 2 is exposed. Thereafter the annealing is carried out to obtain the molding 7.
    • 目的:为了获得具有良好保持性的着色层的成型体,变形小,耐候性优异,通过进行挤出,然后剥离高温稳定的树脂层。 构成:将片状材料1供给到挤压成形用挤出模具中,在口部片出口附近,着色树脂层2焊接在成型体5的表面部分,即挤出成型体 此时,着色树脂层2在形成模制主体4的树脂的温度下软化并且焊接到主体4上,由于透明树脂层9 在高温下稳定而不软化,着色树脂层2不会变坏,从而形成外观均匀且保持牢固的着色层6。 在挤出成型之后,退火之前,当树脂层9剥离时,着色树脂层2露出。 然后进行退火以获得模制件7。
    • 10. 发明专利
    • Preparation of synthetic resin rod reinforced by metal tube
    • 金属管加固合成树脂的制备
    • JPS597028A
    • 1984-01-14
    • JP11559782
    • 1982-07-05
    • Zeon Kasei Kk
    • HIRATA YOSHITSUGU
    • B29B7/00B29C47/00B29C47/02B29C51/00B29C63/00B29C63/18B29L23/00
    • B29C47/021B29C47/0016B29C47/0023B29C47/028
    • PURPOSE:To obtain the titled rod like product which is light, sturdy and excellent in corrosion resistibility and useful for construction, etc. by such an arrangement wherein a stopper like body on which stopper fixing devices are installed is inserted between ends of two adjoining metal tubes, and the outer circumference of the metal tubes and the stopper body are continuously extrusion-covered with synthetic resin, and after that the stopper body is cut off at its middle point. CONSTITUTION:A stopper body 1 made of synthetic resin having an outer diameter suitable to be inserted into a metal tube 5 is equipped with stopper fixing devices 3 having hooks 4 for coupling with the metal tube 5, and it is inserted between ends of two adjoining metal tubes 5 and the outer circumference of the metal tubes 5 and the stopper body 1 are continuously extrusion covered with synthetic resin and a synthetic resin covered layer 6 is formed, and after that, the titled synthetic resin rod-like product is obtained by cutting off the stopper body at its middle point. It is desirable that the stopper fixing device 3 to be formed into the ?-shape and installed to a vertical groove 2 provided on the stopper body 1, or it is shaped into a ring like form of which part is notched and installed to a circular recessed groove 7 provided on the stopper body 1.
    • 目的:通过这样的布置获得轻质,坚固耐腐蚀性优良的标杆型产品,其中将安装有止动器固定装置的塞子体插入两个邻接金属的端部之间 管,并且金属管和塞体的外周被合成树脂连续地挤压覆盖,然后在其中间点切断止动体。 构成:具有适于插入金属管5的外径的合成树脂制的塞体1具有止动器固定装置3,该固定装置3具有用于与金属管5连接的钩4,并且插入两个相邻的两端 金属管5和金属管5的外周和止动器本体1用合成树脂连续地挤出覆盖,形成合成树脂覆盖层6,之后通过切割获得标题合成树脂棒状产品 在其中间点脱离塞体。 希望将形成为α形的止动件固定装置3安装到设置在止动件1上的垂直槽2中,或者将其形成为环形,其形状为切口部分并安装到圆形 设置在止动器主体1上的凹槽7。