Filtration and paper fabrics
A fabric and paper-making technology, which is applied in papermaking, paper machine, filtration and separation, etc., can solve the problems of insufficient balance between fabric surface structure and bottom structure, affecting water filtration, etc.
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no. 1 example
[0041] exist figure 1 and figure 2 A 20-shed multilayer forming fabric is shown in , and a basic cycle structure of the forming fabric is shown in the figure, and each repeated cycle structure has 4 face warps 111-114, 8 base warps 101-108, 4 Three-dimensional composite yarn 141-144, 20 surface wefts 1151-1170 and 10 bottom wefts 151-160, from figure 1It can be seen from the figure that the surface layer of the fabric, the surface warp of each repeated loop organization and the interwoven part of the surface layer of the three-dimensional composite yarn and the surface weft are interwoven with each other in a plain weave manner, for example, the surface warp 111 passes through all The surface latitudes 1151, 1153, 1155, 1157, 1159, 1161, 1163, 1165, 1167, 1169 are below, and pass through the top of other surface latitudes at the same time, forming a cycle, and so on; Surface latitude 1151 passes through surface longitude 111, 112, the top of the three-dimensional composite ...
no. 2 example
[0047] Depend on Figure 4A -- Figure 4E A typical cross-sectional view of a second embodiment of the multilayer fabric of the present invention is given. This example includes a weave texture with figure 2 The embodiment shown has the same contact bottom layer. Shown in the figure is the typical cross-sectional view of the MD direction of the present embodiment; The position of its 5 cross-sections and figure 2 The position of the cross-section of the first embodiment shown is the same. from figure 2 and Figure 4A -- Figure 4E It can be seen from the figure that each repeating loop has 8 base warps 101-108, 4 surface warps, 20 base wefts 151-170, 40 surface wefts 2151-2190, and 4 three-dimensional composite yarns.
[0048] from Figure 4A -- Figure 4E It can be seen that, same as the first embodiment, the interwoven part of the surface layer of the three-dimensional composite yarn of the fabric and the surface warp and surface weft are interwoven in a plain we...
no. 3 example
[0053] Depend on Figure 5A -- Figure 5E A typical cross-sectional view of the fabric of the third embodiment of the present invention is given. Each repeating cycle has 4 surface warps, 8 bottom warps, 4 three-dimensional composite yarns, 20 surface wefts 3151-3170 and 10 bottom wefts 351-360, which are the same as the fabric surface layer of the first embodiment. The surface warp of the repeated loop organization and the surface layer interweaving part of the three-dimensional composite yarn and the surface weft are interwoven together in a plain weave manner.
[0054] The structure of the bottom layer of the present embodiment is different from that of the first embodiment. The bottom warp and the bottom weft are twill weaving in the form of 3 upper / lower / three upper / lower fly counts of 10 sheds. For example, the bottom warp 301 passes under the bottom wefts 356, 360, and passes through the tops of the rest of the bottom wefts at the same time, forming a cycle, and so on...
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