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    • 44. 发明公开
    • A process and an installation for producing a drip irrigation conduit
    • 方法和设备用于制造滴灌管道。
    • EP0344605A2
    • 1989-12-06
    • EP89109402.1
    • 1989-05-24
    • HYDRO-PLAN ENGINEERING LTD.
    • Mehoudar, Raphael
    • B29C47/02A01G25/02
    • B29C47/28A01G25/026A01G2025/006B29C47/0023B29C47/0026B29C47/026B29C47/028B29C47/8835B29C47/8855B29C47/8865B29C47/8895B29C47/90B29C47/903B29C47/908Y02A40/237Y10T156/1057Y10T156/1089
    • For producing a drip irrigation conduit (13) having discrete internally located emitter units (6) bonded at axially spaced apart locations of an internal surface thereof, the irrigation conduit (13) is continuously extruded from an extrusion cross-head (2) at a first outer diameter and a first linear velocity and is drawn off through a calibrator unit (8) to a second and lesser outer diameter at a second linear velocity greater than the first linear velocity, the emitter units (6) being continuously supplied on a carrier member (4) which extends from within the extruder cross-head (2) to the region of an inlet of the calibrator unit (8). Whilst so supported the emitter units (6) are accelerated so as to attain an emitter unit linear velocity substantially equal to said second linear velocity and are displaced at this velocity into contact with the extruded conduit (13) where the latter has substantially attained its second linear velocity and therefore continue to be displaced whilst still supported in contact with the extruded conduit (13) until the emitter unit (6) is heat welded.
    • 用于生产具有离散的位于内部的发射器单元的滴水灌溉管道(13)(6)接合在其内表面的轴向间隔开的位置,冲洗导管(13)被连续地从挤压十字头(2)在挤出 第一外径和第一线速度,并通过一个校准器单元以第二线性速度比第一线速度更大的抽出(8)向第二和较小的外径,发射器单元(6)连续地供给到载体上 构件(4),其从挤出机十字头(2),以校准单元(8)的入口的区域内延伸。 虽然如此支撑在发射器单元(6)被加速,以便获得对发射极的单元线速度基本上等于所述第二线速度,并在该速度被移动到与挤出导管(13)接触,其中后者有基本上达到其第二 线速度,因此继续发生位移而在与所述挤压的导管(13),直到在发射极单元(6)是热焊接接触悄然支撑。
    • 45. 发明公开
    • Electroweldable sockets
    • Elektroschweissmuffen。
    • EP0255264A2
    • 1988-02-03
    • EP87306318.4
    • 1987-07-16
    • FUSION PLASTICS LIMITED
    • Kenworthy, David Michael AnthonyDunkey, Edwin Albert WalterBridgstock, Eric
    • B29C47/02B29C45/14
    • B29D23/005B29C45/14B29C47/0016B29C47/0023B29C47/0066B29C47/02B29C47/025B29C47/028B29C47/32B29C70/72B29L2031/24Y10T29/49087Y10T29/49096Y10T29/49101Y10T29/49888Y10T403/477
    • The invention relates to electroweldable sockets. Previously the predominant method of manufacture has been by injection moulding which whilst producing a socket of acceptable quality it is expensive and relatively slow. The objective of the invention is to provide an alternative method of manufacture that is relatively inexpensive and relatively quick and yet does not sacrifice quality, which objective is met by a method comprising winding a length of electrical resistance wire (10) on to a transversely-split bobbin-type mandrel (2), leaving the ends (11) of the wire upstanding from the body part of the mandrel, passing the mandrel through the head (6) of an extrusion plastics processing machine to deposit plastics material (17) around the body part of the mandrel between the flanged ends, and to leave exposed the ends of the wire passing through the wall of the socket exposed, and removing the split mandrel from within the socket after it has emerged from the extrusion head, leaving the winding of resistance wire embedded in the surface of the bore of the socket.
    • 本发明涉及电焊接插座。 以前,主要的制造方法是通过注射成型,而在生产可接受质量的插座时,它是昂贵的并且相对较慢。 本发明的目的是提供一种替代的制造方法,该方法相对便宜且相对快速但不牺牲质量,该目的通过一种方法来实现,该方法包括将一段长度的电阻线(10)缠绕到横向上, 分开的筒管式芯棒(2),使线材的端部(11)从心轴的主体部分直立,使心轴穿过挤出塑料加工机的头部(6),以将塑料材料(17)周围 在法兰端部之间的心轴的主体部分,并且露出穿过插座的壁的电线的端部暴露出来,并且在从挤出头出来之后从插座中取出分开的心轴,留下绕组 的电阻线嵌入插座孔内的表面。