• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    In the process of manufacturing flat fibrous structures from suspensions of fibers by depositing a suspension of such fibers onto a moving permeable surface such as an endless sieve or belt wherein the fibrous suspension has been prepared from fibrous structures formed of a plurality of fibers which have been obtained by drawing a flowing glass melt, followed by chopping of the drawn fibers to form the fiber structures of predetermined length, the improvement in accordance with the invention of preparing the fiber suspension from fiber structures obtained by directing jets of liquid onto the glass fibers drawn from the glass melt and which are being wound onto the periphery of a rotating drum in a parallel arrangement and which after a certain layer thickness thereof has been obtained are cut to a predetermined length with the fibers still being in the moistened state.
    公开号:SU712034A3
    申请号:SU721756640
    申请日:1972-03-03
    公开日:1980-01-25
    发明作者:Шуллер Вольфганг；Хольфельд Харальд
    申请人:Вернер Хуго Вильгельм Шуллер；
    IPC主号:
    专利说明:

    The drawing shows a scheme for the production of a web that implements the proposed method.
    A multitude of parallel individual glass fibers 1 is released from the stream in bath 2, the bottom of which is provided with holes, the fibers are drawn, fed to a fast rotating drum 3 and wound onto its surface. water flow, for example, a water shower 4, as a result of which, at the same time, good adhesion of the first fibrous layer on the drum surface is also achieved. Intensive moistening of individual fibers makes THEIR interconnecting while maintaining their parallelism, if, after reaching a certain layer, the drum stops and the fiber layer along the direction of axis 5 is cut and removed from the drum surface. In this case, the layer can also be additionally distributed in the direction of coverage of the drum 6 in order to obtain a small briquette 7 of a wet fiber structure .; During the practical testing of the method, the moisture content of the fiber bundle was measured when it was removed from the drum (approximately 17%), which decreases in rare cases in the time elapsed between production and cutting, by about 12-15%. Too much of a decrease in moisture content can be prevented in each individual case by taking appropriate measures during storage.
    Wet briquettes are immediately supplied to cutting equipment 8, where they are cut into fibrous rollers. (Structures) 9 of a certain length, preferably 10-30 mm.
    The proposed method makes it possible to avoid brittleness of glass fibers, which is characteristic of them in a dry state, which, for example, during transportation and cutting, leads to breaking and loose, as well as undesirable dust formation.
    The still wet parallel formations of individual fibers 9 are then supplied continuously, for example, by means of a conveyor belt 10, preferably with an intermediate switching on the dosing device, in even intervals into the mixing tank 11 and mixed there with the substance of suspension 12, in most cases with water.
    Since the medium that causes the fibers to join the fiber structure, and the medium,
    serving as a substance suspension, the same, there is a rapid complete separation of the compounds of the fibers with each other. At the same time, a very intensive separation of the fibers is observed, so that the suspension substance from the mixing tank 11 can be pumped out via the pump 15 to the operating station 16, and from there through the pump 17, when the clot remover 14 is intermediately turned on to the water circulator 22. Subsequently, highly thinned fibers are fed into accumulator 18. From the drying chamber 19, the suspension substance passes wire 20 after passing filtering devices into the reserve pool 21, from which the circulating water is pumped out by the pump 23 and the water that is again discharged through the wire 24 from the mixing tank .
     Using known glass fibers, especially heavy suspended, the invention allows to obtain a continuous circulating process of suspension substances 12 and 13 from mixing basin II through working tank 2.6 and storage 18 again to mixing tank 11, while known methods involve working with several mixing plants. spare vats so that alternately one spare vat is connected to the hopper as a working vat, while the other is filled in by the fiber tank mixing vat enziey.
    权利要求:
    Claims (1)
    [1]
    1. Patent of the USSR No. 324752, cl. D 01 D 11/02, 1968 (prototype).
    II
    类似技术:
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    US2689975A|1954-09-28|Apparatus and method for producing building boards
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    同族专利:
    公开号 | 公开日
    DE2110599B2|1978-04-27|
    GB1376676A|1974-12-11|
    NL7202954A|1972-09-07|
    FR2128580A3|1972-10-20|
    FR2128580B3|1975-03-07|
    DE2110599A1|1972-10-05|
    DD97237A5|1973-04-20|
    IT949850B|1973-06-11|
    RO63757A|1978-11-15|
    JPS5431526B1|1979-10-08|
    NL166294B|1981-02-16|
    NL166294C|1981-07-15|
    US3766003A|1973-10-16|
    BE780035A|1972-06-16|
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    US4252550A|1979-05-01|1981-02-24|Glaswerk Schuller Gmbh|Method and apparatus for the integration of newly formed filaments into a continuous strand|
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    FR2571388B1|1984-10-05|1987-01-16|Dalle & Lecomte Papeteries|NON WOVEN PRODUCT IN LONG FIBER SHEET AND ITS MANUFACTURING PROCESS|
    US4750964A|1985-07-30|1988-06-14|Ashland Oil, Inc.|Rotating drum accumulator for semi-aligned carbon fibers and process of manufacturing same|
    FR2591621B1|1985-12-17|1988-02-19|Saint Gobain Isover|FORMATION OF MINERAL FIBROUS FLAKES AND RECONSTITUTION OF INSULATING MATTRESSES THEREWITH|
    CH681092A5|1989-04-18|1993-01-15|Peyer Ag Siegfried|
    US6301935B1|1992-03-31|2001-10-16|Bayer Aktiengesellschaft|Process for the manufacture of milled glass fibers|
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    US5407536A|1994-02-10|1995-04-18|Rhone-Poulenc Inc.|Amphoteric surfactants as glass fiber dispersants for the manufacture of uniform glass fiber mats|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19712110599|DE2110599B2|1971-03-05|1971-03-05|Process for the production of a glass fiber fleece by the wet fleece process|
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