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    METHOD, MANUFACTURING LINE AND WORKING STATION FOR CONTINUOUSLY MANUFACTURING A REINFORCED FLEXIBLE HOSE, AND HOSE MANUFACTURED THEREBY
    4.
    发明公开
    METHOD, MANUFACTURING LINE AND WORKING STATION FOR CONTINUOUSLY MANUFACTURING A REINFORCED FLEXIBLE HOSE, AND HOSE MANUFACTURED THEREBY 有权
    连续制造加强型柔性软管的方法，生产线和工作站以及由此制造的软管

    公开(公告)号：EP3233451A1

    公开(公告)日：2017-10-25

    申请号：EP14833471.7

    申请日：2014-12-18

    Applicant: Mayenne SP. ZO.O.

    Inventor： GIUSTO, Stefano ,  VIGOLO, Valentino

    IPC: B29D23/00 ,  B29C47/02 ,  F16L11/112

    CPC classification number: B29D23/00 ,  B29C48/09 ,  B29C48/153 ,  B29C48/19 ,  B29C48/20 ,  B29C48/30 ,  B29C48/32 ,  B29C48/34 ,  B29C53/562 ,  B29C53/566 ,  F16L11/112

    Abstract: A method for continuously manufacturing a reinforced flexible hose (100), in particular a garden hose, comprising the steps of providing a semifinished hose (125) including at least one inner layer (110) and at least one textile reinforcing layer (120) wound on the outer surface thereof and extruding a thermoplastic polymer material onto the semifinished hose (125) to form a cover layer (130). The extruding step is accomplished by an extruding die (31) having a central bore (34) defining a forwarding axis (X) for housing the semifinished hose (125) and a peripheral channel (35) including a slanted tubular portion (42') and a substantially horizontal tubular portion (42") in correspondence of the outlet (37) thereof. The extruding step is accomplished by putting the central bore (34) under vacuum to draw the cover layer (130) in close contact with the semifinished hose (125). The thickness (T) of the extruded tubular film (130) is of 0,05 mm to 0,35 mm. The absolute pressure in the central bore (34) is no lower than 250 mmHg. The invention also relates to a production line and an extruding station to perform the method, as well as to a hose obtainable thereby.

    Abstract translation: 一种用于连续制造增强柔性软管（100），特别是花园软管的方法，包括以下步骤：提供包括至少一个内层（110）和至少一个纺织增强层（120）的半成品软管（125） 在其外表面上并将热塑性聚合物材料挤出到半成品软管（125）上以形成覆盖层（130）。 通过具有限定用于容纳半成品软管（125）的前进轴线（X）的中心孔（34）和包括倾斜管状部分（42'）的外围通道（35）的挤出模头（31）完成挤出步骤， 和与其出口（37）相对应的基本上水平的管状部分（42“），挤压步骤通过使中心孔（34）处于真空状态下将覆盖层（130）拉紧与半成品软管 （125），挤出管状薄膜（130）的厚度（T）为0.05mm至0.35mm，中心孔（34）中的绝对压力不低于250mmHg，本发明还涉及 到生产线和挤出站以执行该方法，以及由此获得的软管。

    VERFAHREN UND VORRICHTUNG ZUR ABREINIGUNG EINES EXTRUSIONSKOPFS
    5.
    发明公开
    VERFAHREN UND VORRICHTUNG ZUR ABREINIGUNG EINES EXTRUSIONSKOPFS 审中-公开

    公开(公告)号：EP2718084A1

    公开(公告)日：2014-04-16

    申请号：EP11738603.7

    申请日：2011-06-07

    Applicant: Mauser-Werke GmbH

    Inventor： KEUSCH, Stefan ,  SCHÜLLER, Frank

    IPC: B29C47/08 ,  B29C47/20 ,  B29C47/34 ,  B29C49/04

    CPC classification number: B29C48/001 ,  B29C48/09 ,  B29C48/10 ,  B29C48/27 ,  B29C48/272 ,  B29C48/30 ,  B29C48/32 ,  B29C48/355 ,  B29C48/90 ,  B29C49/04 ,  B29C2049/0089 ,  B29C2049/044 ,  B29K2023/065 ,  B29L2031/7126

    Abstract: The invention relates to a method and device for cleaning extrusion heads (10) in the extrusion of thermoplastics, which are ejected or extruded from an extrusion nozzle (14) as a tubular preform (12). According to the invention, in order to remove interfering deposits and baked-on residues (20) on the outlet nozzle (14), the tubular preform (12) is briefly turned around and upset, wherein the deposits (20) adhering in the vicinity of the outlet nozzle (14) are wiped off and transported away by the tubular preform (12). In an advantageous way, the tubular preform (12) itself is used as a cleaning element while the tubular preform is being turned around, while the cleaning automatically occurs during the ongoing operation of the continuous extrusion without interruption of the production process.

    Abstract translation: 本发明涉及一种用于清洗挤压挤出头的热塑性塑料材料的方法和装置，它们从挤出喷嘴（14）被喷射或挤压为管状预成型件（12）。 为了除去排出喷嘴（14）上的干扰沉积物和沉积物（20），根据本发明，管状预成型件（12）短暂地偏转和镦粗，其中沉积物（20）粘附在排出喷嘴的邻近区域 14）从管状预成型件（12）上擦去并被运走。 有利地，管状预成型件（12）在其偏转期间本身用作清洁元件，其中在连续挤压的连续操作期间自动进行清洁而不中断生产过程。

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