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    • 9. 发明授权
    • Method and apparatus for the manufacture of a tube made of film on a cellulose basis which an insert reinforces
    • 用于制造基于纤维素的薄膜管的方法和装置,其中插入物加强
    • US06797100B1
    • 2004-09-28
    • US09787416
    • 2001-06-15
    • Herbert GordKlaus-Dieter HammerHelmut SattlerRainer Neeff
    • Herbert GordKlaus-Dieter HammerHelmut SattlerRainer Neeff
    • B29C5336
    • B29C47/8895B29C47/0026B29C47/023B29C47/908Y10T156/1013Y10T156/1798
    • The invention relates to a film tube (10) based on cellulose which is produced by extruding an aqueous cellulose-N-methyl-morpholine-N-oxide (NMMO) solution through a ring nozzle (21) onto a lining (3). The film tube (10) is manufactured by means of a vertically descending spinning in a spinning vat (12) in which a spinning bath (11) is located. The film tube (10) which is submerged in the spinning bath (11) passes through an air gap (9) between the underside of a nozzle block (7) and the upper surface of the spinning bath (11) and, internally, is pressurized, supported and slightly stretched in a transversal manner by compressed air. The film tube (10) is filled with an inner bath solution (31) via a supply tube (18). An idle roller (13) is situated near the bottom of the spinning vat (12) in order to guide the film tube (10) around and, afterwards, out of the spinning vat (12) in an upward sloping manner. The film tube is laid flat along a contact section (27) of the idle roller (13).
    • 本发明涉及一种基于纤维素的薄膜管(10),其通过将环形喷嘴(21)挤出纤维素-N-甲基吗啉-N-氧化物(NMMO)溶液到衬里(3)而制备。 薄膜管(10)通过在其中设置有纺丝浴(11)的纺丝槽(12)中通过垂直下降的纺丝制造。 浸没在纺丝浴(11)中的薄膜管(10)穿过喷嘴块(7)的下侧和纺丝浴(11)的上表面之间的气隙(9),内部是 通过压缩空气以横向加压,支撑和稍微拉伸。 膜管(10)通过供给管(18)填充有内浴溶液(31)。 空转辊(13)位于纺丝槽(12)的底部附近,以便以向上倾斜的方式将胶片管(10)引导到纺丝槽(12)周围。 薄膜管沿空转辊(13)的接触部分(27)平放。