Method and device for melt-blowing, forming and plaiting finite fibres to produce a fibrous nonwoven
A non-woven fabric and fiber-forming technology, which is used in melt spinning, textile and papermaking, fiber processing, etc.
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[0022] in figure 1 A cross-sectional view schematically shows the first embodiment of the device of the present invention. This embodiment has a melt blow nozzle 1 and a forming element 2 held under the melt blow nozzle 1. The forming element 2 is formed by two rollers 3 driven towards each other, between which a forming gap 6 is formed. The forming gap 6 extends in the vertical direction between the rollers 2.1 and 2.2, wherein the rollers 2.1 and 2.2 are symmetrical about the longitudinal axis of the melt blowing nozzle 1. The driving devices of the drums 2.1 and 2.2 are not shown in detail here and can be realized by a driving group or an independent driving device. The drums 2.1 and 2.2 each have an air-permeable drum wall 3 which rotates in the fiber blowing direction at a circumferential speed given by the driving device of the drums 2.1 and 2.2.
[0023] The melt blowing nozzle 1 is arranged on the frame 13 in a height adjustable manner above the drums 2.1 and 2.2. Here...
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