Method and device for manufacturing biaxially oriented tubing from
thermoplastic material
    1.
    发明授权
    Method and device for manufacturing biaxially oriented tubing from thermoplastic material 失效
    从热塑性材料制造双轴取向管材的方法和装置

    公开(公告)号:US5785906A

    公开(公告)日:1998-07-28

    申请号:US716406

    申请日:1996-11-22

    IPC分类号: B29C47/90 B29C55/26 B29C55/30

    摘要: A method for manufacturing biaxially oriented tubing from a thermoplastic material. The method includes forcing the tube over a mandrel at an orientation temperature of the plastic material, which mandrel is an expansion part which produces expansion in the circumferential direction of the tube. Downstream of the mandrel an axial pulling force is exerted on the tube, and the biaxially oriented tube is cooled down. At a distance downstream of the mandrel, the tube is drawn through a calibration opening bounded by a calibration device, the calibration opening being such that it produces a reduction in the external dimensions of the tube. Accurate regulation of the external dimensions of the tube is provided by regulating the distance between the mandrel and the calibration device, in particular depending on the external dimensions of the tube measured downstream of the calibration device.

    摘要翻译: PCT No.PCT / NL95 / 00099 Sec。 371日期:1996年11月22日 102(e)日期1996年11月22日PCT 1995年3月17日PCT公布。 公开号WO95 / 25628 日期1995年9月28日由热塑性材料制造双轴取向管的方法。 该方法包括在塑料材料的取向温度下将管强制在心轴上,该心轴是在管的圆周方向上产生膨胀的膨胀部分。 在心轴的下游,在管上施加轴向拉力,并将双轴取向管冷却。 在心轴下游一段距离处,管被拉出通过由校准装置限定的校准开口,校准开口使得其产生管的外部尺寸的减小。 通过调节心轴和校准装置之间的距离,特别是取决于在校准装置下游测量的管的外部尺寸来提供管的外部尺寸的精确调节。

    Methods and devices for the production of a pipe from biaxialy oriented thermoplastic material having an integrated socket
    3.
    发明授权
    Methods and devices for the production of a pipe from biaxialy oriented thermoplastic material having an integrated socket 失效
    用于从具有集成插座的双轴取向热塑性材料制造管道的方法和装置

    公开(公告)号:US07069635B2

    公开(公告)日:2006-07-04

    申请号:US10333240

    申请日:2001-07-30

    IPC分类号: B23P11/02

    摘要: A method for forming an integral socket to a pipe made from biaxially oriented thermoplastic material is described. The pipe has a pipe body and is provided, at one or both ends, with an integral socket. The biaxially oriented thermoplastic pipe is subjected to a socket-forming operation comprising the steps of fixing both axial ends of the unheated end part of the pipe, heating the fixed end part to a suitable socket-forming temperature in one or more steps, and expanding the axially fixed end part with the aid of a fluid pressure in the interior of the end part and/or a vacuum on the outer side of the end part, which expansion may begin as early as during the heating of the end part.

    摘要翻译: 描述了一种用于形成由双轴取向的热塑性材料制成的管子的整体插座的方法。 该管具有管体,并且在一端或两端设置有一整体式插座。 双轴取向热塑性管经受套筒成型操作,包括以下步骤:固定管的未加热的端部的两个轴向端,一个或多个步骤将固定端部加热到合适的成型温度, 借助于端部内部的流体压力和/或端部的外侧上的真空的轴向固定端部,该膨胀可以在端部加热期间开始。

    Method and device for manufacturing biaxially oriented tubing from
thermoplastic material
    5.
    发明授权
    Method and device for manufacturing biaxially oriented tubing from thermoplastic material 失效
    从热塑性材料制造双轴取向管材的方法和装置

    公开(公告)号:US5817270A

    公开(公告)日:1998-10-06

    申请号:US716401

    申请日:1996-11-22

    IPC分类号: B29C47/90 B29C55/26

    摘要: Method and devices for manufacturing biaxially oriented tubing from thermoplastic material. The method includes forcing the tube over a mandrel at an orientation temperature of the plastic material, which mandrel includes an expansion part which produces expansion in the circumferential direction of the tube. The forcing over the mandrel is achieved by exerting a pushing force on the tube upstream of the expansion part of the mandrel by a pushing device acting upon the outside of the tube, and by exerting a pulling force on the tube downstream of the mandrel. The pushing device acts upon the tube at a distance upstream of the mandrel, and the tube is supported between the place where said pushing device acts and the expansion part of the mandrel.

    摘要翻译: PCT No.PCT / NL95 / 00098 Sec。 371日期:1996年11月22日 102(e)日期1996年11月22日PCT 1995年3月17日PCT公布。 公开号WO95 / 25626 日期1995年9月28日由热塑性材料制造双轴取向管的方法和装置。 该方法包括在塑料材料的取向温度下将管强制在心轴上,心轴包括在管的圆周方向上产生膨胀的膨胀部分。 通过在作用在管外部的推动装置和通过在心轴下游的管上施加拉力而在心轴的膨胀部分上游的管上施加推力,来实现心轴上的强制。 推动装置在心轴的上游距离处作用在管上,并且管被支撑在所述推动装置作用的位置和心轴的膨胀部分之间。

    Method for treating an extruded plastic section and extrusion installation therefor
    6.
    发明授权
    Method for treating an extruded plastic section and extrusion installation therefor 失效
    挤出塑料部分的处理方法及其挤出设备

    公开(公告)号:US06214283B1

    公开(公告)日:2001-04-10

    申请号:US08945590

    申请日:1997-10-29

    IPC分类号: B29C3516

    摘要: Method for treating an extruded plastic section having a hollow space and installation suitable for carrying out such a treatment. The installation includes an extruder which has a core for forming the hollow space in the section and, at a distance downstream from the extruder in the extrusion direction of the section, a closing means having a rigid circumferential wall. The installation also has a first conduit connected to a supply orifice which is provided in the circumferential wall of the closing means, a fluid feeder connected to the first conduit and a second conduit connected to a discharge orifice. The discharge orifice is upstream of the supply orifice to provide a fluid film flowing opposite to the extrusion direction between the circumferential wall of the closing means and the extruded section.

    摘要翻译: 用于处理具有中空空间的挤出塑料部分和适于进行这种处理的装置的方法。 该装置包括挤出机,该挤出机具有用于在该部分中形成中空空间的芯部,并且在挤出机的该部分的挤出方向的下游一段距离处,具有刚性圆周壁的封闭装置。 该安装还具有连接到供应孔的第一导管,该供应孔设置在关闭装置的周壁中,连接到第一导管的流体供给器和连接到排出孔的第二导管。 排放孔位于供应孔的上游,以提供在封闭装置的周壁和挤压区之间沿挤压方向相反流动的流体膜。

    Method for manufacturing biaxially oriented tubing from thermoplastic
material
    7.
    发明授权
    Method for manufacturing biaxially oriented tubing from thermoplastic material 失效
    从热塑性材料制造双轴取向管材的方法

    公开(公告)号:US5942171A

    公开(公告)日:1999-08-24

    申请号:US732331

    申请日:1997-01-15

    IPC分类号: B29C47/88 B29C47/90 B29C55/26

    摘要: A tube is extruded from a thermoplastic material and is then forced over a mandrel at an orientation temperature of the material. The mandrel has an expanding section that expands the tube in its circumferential direction. A tube speed controller upstream of the expanding section of the mandrel exerts an axial force on the tube, and a puller downstream of the mandrel exerts an axial pulling force on the tube. Upstream of the tube speed controller, an outer layer of a wall of the tube is brought to a temperature below the orientation temperature. That outer layer is thick enough to withstand the force exerted by the tube speed controller.

    摘要翻译: PCT No.PCT / NL95 / 00160 Sec。 371日期1997年1月15日 102(e)日期1997年1月15日PCT提交1995年5月3日PCT公布。 公开号WO95 / 30533 日期1995年11月16日一管从热塑性材料挤出,然后在材料的取向温度下被迫超过心轴。 心轴具有使管沿其圆周方向膨胀的扩张部分。 在心轴的扩张部分上游的管速度控制器在管上施加轴向力,并且心轴下游的牵引器在管上施加轴向拉力。 在管速度控制器的上游,将管的外壁的温度降至低于取向温度的温度。 该外层足够厚以承受由管速度控制器施加的力。

    Method for producing a thermoplastic tubular profile and internal
cooling unit for such a method
    8.
    发明授权
    Method for producing a thermoplastic tubular profile and internal cooling unit for such a method 失效
    用于制造热塑性管状轮廓的方法和用于这种方法的内部冷却单元

    公开(公告)号:US5911933A

    公开(公告)日:1999-06-15

    申请号:US875614

    申请日:1997-07-31

    CPC分类号: B29C47/882 B29C47/0023

    摘要: A tubular profile made of thermoplastic material is formed by extrusion from an extruder. Downstream from the extruder, the tubular profile is cooled both externally and internally by an external cooling unit and an internal cooling unit mounted on the extruder. A tensile force is exerted on the cooled tubular profile downstream from the cooling units by a pulling device. When the extruder is set in operation to start the production of the tubular profile, the internal cooling unit is left out. When the pulling device applies the tensile force on the extruded and externally cooled tubular profile, the internal cooling unit is introduced into the tubular profile from the open end of the tubular profile and is mounted on the extruder.

    摘要翻译: PCT No.PCT / NL96 / 00044 Sec。 371日期1997年7月31日 102(e)日期1997年7月31日PCT提交1996年1月29日PCT公布。 WO96 / 23644PC PCT出版物 日期1996年8月8日由挤出机挤出形成由热塑性材料制成的管状轮廓。 从挤出机的下游,管状轮廓通过外部冷却单元和安装在挤出机上的内部冷却单元在外部和内部冷却。 通过牵引装置对冷却单元下游的冷却管状轮廓施加张力。 当挤压机设置运行以开始生产管状轮廓时,内部冷却单元被排除。 当拉伸装置将拉力施加在挤出和外部冷却的管状轮廓上时,内部冷却单元从管状轮廓的开口端引入管状轮廓并且安装在挤出机上。

    Method for manufacturing biaxially oriented tubing from thermoplastic
material
    10.
    发明授权
    Method for manufacturing biaxially oriented tubing from thermoplastic material 失效
    从热塑性材料制造双轴取向管材的方法

    公开(公告)号:US5948332A

    公开(公告)日:1999-09-07

    申请号:US716416

    申请日:1996-11-18

    摘要: Method and device for manufacturing biaxially oriented tubing from thermoplastic material. The method includes forcing the tube over a mandrel at an orientation temperature of the plastic material, which mandrel includes an expansion part which produces expansion in the circumferential direction of the tube, and downstream of the mandrel the exertion of an axial pulling force on the tube, in the course of which the tube encounters a resistance which counteracts the movement of the tube over the mandrel. The method also includes the exertion of an influence sector-wise in an adjustable manner in the circumferential direction of the tube on the resistance which counteracts the movement of the tube over the mandrel. In an advantageous embodiment, the temperature of the plastic material of the tube is influenced sector-wise in an adjustable manner, viewed in the circumferential direction of the tube. The measures according to the invention lead to better control over the manufacture of biaxially oriented tubing.

    摘要翻译: PCT No.PCT / NL95 / 00100 Sec。 371日期:1996年11月18日 102(e)1996年11月18日日期PCT 1995年3月17日PCT公布。 WO95 / 25627 PCT出版物 日期1995年9月28日由热塑性材料制造双轴取向管的方法和装置。 该方法包括在塑料材料的取向温度下将管材挤压在心轴上,该心轴包括在管的圆周方向上产生膨胀的膨胀部分,以及在心轴的下游,在管子上施加轴向拉力 在这种过程中,管遇到抵抗管在心轴上的运动的阻力。 该方法还包括以可调节的方式在管的圆周方向上对阻碍管在心轴上的运动的阻力上的影响的影响。 在有利的实施例中,从管的圆周方向观察,管的塑料材料的温度以可调节的方式受到扇形的影响。 根据本发明的措施导致更好地控制双轴取向管的制造。