Method and apparatus for manufacturing tubular body of synthetic resin,
and intake manifold of synthetic resin
    6.
    发明授权
    Method and apparatus for manufacturing tubular body of synthetic resin, and intake manifold of synthetic resin 失效
    用于制造合成树脂管状体的方法和装置以及合成树脂的进气歧管

    公开(公告)号:US6117380A

    公开(公告)日:2000-09-12

    申请号:US29074

    申请日:1998-03-03

    摘要: Method and apparatus of manufacturing a synthetic resin tubular member having differently oriented inlet tube and outlet tube portions uses a pair of displaceable molding dies. One of the dies is rotatable relative to the other die. The molding dies have a core portion fitted to the tube end of one of the inlet and outlet tube portions and is slideable in a direction different from the direction in which the dies open and close. The method includes the steps of core insertion, die clamping, injection, die opening, core removal, ejection, and die rotation. Each time the molding die is rotated one step, a primary molding step, in which two molding halves of the tubular member are formed, and a secondary molding operation, in which the two molding halves are joined, are formed, so that a finished tubular member is obtained for each rotational movement of the molding dies. A melted resin is filled into an interior passage defined along a peripheral edge of one of the dies after the molding dies are brought into abutment with each other to join the two halves. The finished product can be a synthetic resin manifold. The manifold has a plurality of outlet tube portions branching from an inlet tube portion. One of the two halves has both the inlet and out tube portions. That is, the inlet and outlet portions are monolithic to provide seamless inlet and outlet.

    摘要翻译: PCT No.PCT / JP97 / 02282 Sec。 371日期1998年3月3日 102(e)1998年3月3日PCT PCT 1997年7月2日PCT公布。 出版物WO98 / 01280 日本1998年1月15日制造具有不同取向的入口管和出口管部分的合成树脂管状构件的方法和装置使用一对可移位的模具。 其中一个模具可相对于另一个模具旋转。 成型模具具有嵌合到入口管部和出口管部之一的管端部的芯部,并且能够沿与模具打开和关闭的方向不同的方向滑动。 该方法包括芯插入,模夹紧,注射,模开,芯去除,排出和模旋转的步骤。 每次成形模旋转一步时,形成其中形成管状构件的两个半成品的一次成型步骤和其中连接两个半成品的二次成型操作,从而形成成品管 获得成型模具的每个旋转运动的构件。 将熔融树脂填充到沿着一个模具的周缘限定的内部通道中,在模具彼此抵接之后,将两个半体连接。 成品可以是合成树脂歧管。 歧管具有从入口管部分分支的多个出口管部分。 两个半部中的一个具有入口和外部管部分。 也就是说,入口和出口部分是整体的,以提供无缝的入口和出口。