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    • 12. 发明授权
    • Method and apparatus for making a component having interior and exterior
threads
    • 用于制造具有内部和外部螺纹的部件的方法和装置
    • US5518679A
    • 1996-05-21
    • US373437
    • 1995-01-17
    • Richard A. Junk
    • Richard A. Junk
    • B29C45/26B29C45/44B29C39/34
    • B29C45/262B29C45/2681Y10S425/058
    • Disclosed is a new method for making a component having interior and exterior threads. Such method includes the steps of providing a thread-forming apparatus having first and second circumferential threaded portions defining a space between them. Such space is filled with a flowable material, e.g., hot plastic, which is permitted to solidify and form the component. The apparatus and the component are then separated from one another by rotating such apparatus so that both threaded portions unscrew from the component. The finished component has interior and exterior threads which are simultaneously formed and substantially free of flashing. The new thread-forming apparatus has a first threaded portion and a pocket. A plug is in the pocket and has a second threaded portion spaced from the first threaded portion.
    • 公开了一种用于制造具有内部和外部螺纹的部件的新方法。 这种方法包括提供具有在它们之间限定空间的第一和第二周向螺纹部分的线形成装置的步骤。 这样的空间填充有可流动的材料,例如热塑料,其允许固化和形成组件。 然后通过旋转这种装置将装置和部件彼此分离,使得两个螺纹部分从部件上旋出。 完成的部件具有同时形成并且基本上不闪烁的内部和外部螺纹。 新的线形成装置具有第一螺纹部分和口袋。 塞子在口袋中并具有与第一螺纹部分间隔开的第二螺纹部分。