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    Mandrel structure for use in manufactur of cellulose food casing
    93.
    发明公开
    Mandrel structure for use in manufactur of cellulose food casing 有权
    Dorn zur Verwendung in der Herstellung vonNahrungsmittelhüllenaus Cellulose

    公开(公告)号：EP1155805A2

    公开(公告)日：2001-11-21

    申请号：EP01304018.3

    申请日：2001-05-02

    申请人： VISKASE CORPORATION

    发明人： Williams, Mark Griffith ,  Long, Larry clyde ,  McGarel, Owen Joseph ,  Jerantowski, Ronald Joseph ,  Albert, James Joseph

    IPC分类号： B29C47/00

    CPC分类号： B29C47/902 ,  B29C47/0004 ,  B29C47/0026 ,  B29C47/0057 ,  B29C47/0059 ,  B29C47/8835 ,  B29C47/8895 ,  B29C47/908 ,  B29K2001/00 ,  B29K2105/0061 ,  B29L2023/002

    摘要： A mandrel 26 over which a tube 16 of non derivatized cellulose is extruded depends from the extrusion orifice 15. The mandrel 26 has a shaft portion 28 and a sizing portion 30 which is of greater diameter than the orifice 15 and serves to "size" the extruded cellulose tube. The sizing portion 30 has a plurality of orifices 60 which form a diamond pattern on the outer surface of the sizing portion 30. The orifices allow gas bubbles which are evolved during extrusion to pass to the interior of the mandrel 26 to be vented through a conduit (54 in figure 2). An upper band (59 in figure 2) of the sizing portion 30 has no orifices and forms a seal between the tube 16 and the sizing portion 30 to prevent passage of gas therebetween.

    摘要翻译： 挤出非纤维素纤维素管16的心轴26由挤出孔15所决定。心轴26具有轴部分28和尺寸部分30，该部分具有比孔15更大的直径，并且用于“ 挤出纤维素管。 上浆部分30具有多个孔口60，它们在施胶部分30的外表面上形成金刚石图案。该孔口允许在挤出过程中放出的气泡通过到心轴26的内部以通过导管 （图2中的54）。 上浆部分30的上带（图2中的59）没有孔，并且在管16和施胶部30之间形成密封，以防止它们之间的气体通过。

    METHOD FOR TREATING AN EXTRUDED PLASTIC SECTION AND EXTRUSION INSTALLATION THEREFOR
    96.
    发明授权
    METHOD FOR TREATING AN EXTRUDED PLASTIC SECTION AND EXTRUSION INSTALLATION THEREFOR 失效
    处理方法用挤压塑料管挤出系统及其

    公开(公告)号：EP0823873B1

    公开(公告)日：1999-08-04

    申请号：EP96913747.0

    申请日：1996-05-02

    申请人： WAVIN B.V.

    发明人： VISSCHER, Jan ,  PRENGER, Jan, Hendrik ,  SCHUURMAN, Johan

    IPC分类号： B29C47/90 ,  B29C47/88

    CPC分类号： B29C47/903 ,  B29C47/0023 ,  B29C47/0033 ,  B29C47/882 ,  B29C47/8835 ,  B29C47/884 ,  B29C47/8895 ,  B29C47/902 ,  B29C47/907 ,  B29C47/908

    摘要： Method for treating an extruded plastic section having a hollow space and installation suitable for carrying out such a treatment. The installation comprises 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. During operation of the extrusion installation the closing means is situated with its rigid circumferential wall along the section, thus closing the hollow space of the section. The installation further comprises first conduit means which open out near a supply orifice which is provided in the circumferential wall of the closing means, fluid feeder means for feeding fluid to the first conduit means, second conduit means which connect to a discharge orifice, the at least one discharge orifice being situated upstream of the at least one supply orifice, so that it is possible to provide, between the circumferential wall of the closing means and the extruded section, a film of fluid which flows opposite to the extrusion direction of the plastic section. The closing means may also be an expansion mandrel, for example for fabricating biaxially oriented tube sections.

    Cellulose food casing manufacture
    97.
    发明公开
    Cellulose food casing manufacture 失效
    纤维素食品肠衣制造

    公开(公告)号：EP0867119A1

    公开(公告)日：1998-09-30

    申请号：EP98300396.3

    申请日：1998-01-20

    申请人： VISKASE CORPORATION

    发明人： Kajiwara, Edward Makoto ,  Loichinger, Brant Anton

    IPC分类号： A22C13/00 ,  C08B1/00

    CPC分类号： B29C47/0026 ,  B29C47/0004 ,  B29C47/0023 ,  B29C47/0038 ,  B29C47/20 ,  B29C47/8895 ,  B29C47/902 ,  B29C47/908 ,  B29K2001/00 ,  B29L2023/002

    摘要： A mandrel structure (26) for sizing a tubular extrusion composed of a thermoplastic cellulose solution which is extruded downward from a die (12) and about the mandrel and into a bath (20) containing a liquid for regenerating cellulose from the thermoplastic solution. The mandrel includes a sizing portion (30) having circumferential grooves (33) which gather gas bubbles that may evolve at the interface between the extruded tube (16) and the sizing portion. Vertical channels (35) in the sizing portion connect these grooves and provide the passage of gas bubbles into a volume (48) below the mandrel.

    摘要翻译： 一种用于确定由热塑性纤维素溶液构成的管状挤压件的心轴结构（26），所述热塑性纤维素溶液从模具（12）向下并且围绕心轴并且进入含有用于从热塑性溶液再生纤维素的液体的浴（20）中。 心轴包括具有圆周凹槽（33）的尺寸部分（30），所述圆周凹槽（33）聚集可能在挤出管（16）和尺寸确定部分之间的界面处放出的气泡。 定径部分中的竖直通道（35）连接这些凹槽并提供气泡进入心轴下方的容积（48）中。

    IMPROVED MANIFOLD ASSEMBLY
    100.
    发明公开
    IMPROVED MANIFOLD ASSEMBLY 失效
    VERBESSERTE VERTEILERANORDNUNG

    公开(公告)号：EP0754114A4

    公开(公告)日：1997-07-09

    申请号：EP95915042

    申请日：1995-04-07

    申请人： ADVANCED DRAINAGE SYST

    发明人： WISE JOHN ,  MARTIN LARRY L

    IPC分类号： B29C47/88 ,  B29C47/90 ,  B29C47/12

    CPC分类号： B29C47/882 ,  B29C47/0023 ,  B29C47/90 ,  B29C47/902 ,  B29C47/904

    摘要： An improved manifold assembly (10) which can be used in conjunction with a die head (17) in the extrusion of a plastic with the manifold assembly (10) including a water inlet tube (150), a tube (140) through which a vacuum is pulled, a water return tube (130), a calibration finger (16) first section (25), and a calibration finger (16) second section (26).

    摘要翻译： 一种改进的歧管组件（10），其可以在塑料挤出中与模头（17）结合使用，歧管组件（10）包括进水管（150），管（140），管 抽真空，回水管（130），校准指（16）第一部分（25）和校准指（16）第二部分（26）。