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    • 36. 发明申请
    • A METHOD OF SOCKETING A PIPE
    • 管道管的方法
    • WO1997010942A1
    • 1997-03-27
    • PCT/SE1996001171
    • 1996-09-20
    • UPONOR B.V.VINIDEX TUBEMAKERS PTY. LTD.JOHANSSON, MatsJÄRVENKYLÄ, Jyri
    • UPONOR B.V.VINIDEX TUBEMAKERS PTY. LTD.
    • B29C57/02
    • B29C57/02B29C65/14B29C65/1412B29C2035/0822B29K2023/0691B29K2995/005B29L2009/00F16L55/1654
    • A method of socketing a pipe of oriented plastic having an annular groove inside the socket. An end portion (15) of the pipe is pushed onto a cylindrical mandrel element (11) and the region (l1) of the end portion at the opening thereof where the groove is to be located is heated to a temperature above the glass transition temperature of amorphous plastic and the crystalline melting point of crystalline plastic, respectively. The rest of the end portion is maintained at a temperature below the glass transition temperature or the crystalline melting point, respectively. The end portion (15) when said region is at a temperature above the glass transition temperature or the crystalline melting point, respectively, is pushed onto a second mandrel element (13) axially aligned with said first mandrel element the bottom portion of the socket being formed by said second mandrel element (13). The rest of the end portion is expanded to form the bottom portion of the socket. The end portion of the pipe is cooled and is then withdrawn from the mandrel elements.
    • 一种在插座内插入具有环形槽的取向塑料管的方法。 管道的端部(15)被推到圆柱形心轴元件(11)上,并且在其所在的槽的开口处的端部区域(11)被加热到高于玻璃化转变温度 分别为非晶态塑料和晶体结晶熔点。 端部的其余部分分别保持在低于玻璃化转变温度或结晶熔点的温度。 当所述区域处于高于玻璃化转变温度或结晶熔点的温度时的端部(15)被推到与所述第一心轴元件轴向对齐的第二心轴元件(13)上,所述插座的底部为 由所述第二心轴元件(13)形成。 端部的其余部分被扩展以形成插座的底部。 管的端部被冷却,然后从心轴元件中取出。
    • 37. 发明申请
    • PROCESS FOR MAKING END SOCKETS ON PLASTIC PIPES
    • 法制造有端套塑料管
    • WO9622184A2
    • 1996-07-25
    • PCT/AT9600006
    • 1996-01-19
    • SCHNALLINGER HELMUTH MICHAEL
    • SCHNALLINGER HELMUTH MICHAEL
    • B29C57/02G01B11/12B29C57/00
    • G01B11/12B29C57/02
    • In a process for making end sockets (2) on plastic pipes made of heat-formable plastics, especially polyolefines like polyethylene and polypropylene, a region at the end of the pipe (1) of about the length of the sleeve is heated to or above its deformation temperature in a heating station, expanded in that state in a sleeve-forming station to a diameter greater than the desired inside diameter, cooled in a cooling station before and/or after the withdrawal of the sleeve-forming tool and, in a final shaping station, briefly passed in the cooled state to a smaller dimension using a press tool. To achieve high dimensional accuracy in series and individual manufacture, the inside diameter of the sleeve (2) is contactlessly measured by means of a laser feeler (19, 20) at least after the withdrawal of the sleeve-forming tool, during the period in the press tool and after leaving the press tool. The measurements are stored in digital form, compared with presettable reference values using a computer and used to generate control presettable reference values using a computer and used to generate control signals for the fine adjustment of the quantity of heat applied in the heating station or conducted off in the cooling station and to determine the time spend in the press tool. A measuring device for implementing the process is also disclosed.
    • 在用于端套筒的制造方法(2)的可模制的塑料管(1)的时暖塑料,特别是聚烯烃,如聚乙烯和聚丙烯,例如,在管(1)在一个加热站处于或高于端部的套筒长度品尝区域 其变形温度下加热aufgemufft在一个Aufmuffstation该状态下,以比在直径所需的内部直径的更高,之前和/或Aufmuffwerkzeuges的在下面的热变形温度,并且在短期内一个成形工位冷却状态的冷却站拉伸后通过一个压制工具到一个较低的质量来冷却 压缩。 为了实现该系列和单独的生产高尺寸精度是该套筒的内径(2)至少拉动Aufmuffwerkzeuges,期间在压制工具中的停留时间,并从模头出来,而不接触由测得的副按钮(19,20)的装置之后后。 所测量的值存储在数字形式中,使用与预设置的设置值的计算机进行比较,并且用于控制信号的产生为在加热站所提供的或以热的冷却站的数量并且用于确定在冲压工具中的停留时间导出的精细控制。 用于实施该方法的测量装置被指定。