CN101581008B - Multilayer even laid-in weaving and knitting composite structure, weaving method thereof - Google Patents
Multilayer even laid-in weaving and knitting composite structure, weaving method thereof Download PDFInfo
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- CN101581008B CN101581008B CN200910033330XA CN200910033330A CN101581008B CN 101581008 B CN101581008 B CN 101581008B CN 200910033330X A CN200910033330X A CN 200910033330XA CN 200910033330 A CN200910033330 A CN 200910033330A CN 101581008 B CN101581008 B CN 101581008B
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Abstract
The invention relates to a multilayer even laid-in weaving and knitting composite structure, a weaving method thereof and a special device thereof. The multilayer even laid-in weaving and knitting composite structure comprises two plain weft knitted tissues. By transversely arranging weft yarns with the same layer number in each coil of the plain weft knitted tissues, the same lined weft yarn layer number and lined density of fabrics are realized, namely the thickness of the fabrics is even, the structure is symmetrical, and the application of the fabrics in a composite material is enlarged.
Description
Technical field
The present invention relates to a kind of woven knitting composite construction and braid method and device, relate to the woven knitting composite construction of a kind of multilayer even laid and braid method and special flat knitting machine yarn feeding device particularly.
Background technology
Woven and knitting is the weaving processing method that yarn is formed two great traditions of fabric construction.In machine-knitted structure,, do the time spent being subjected to external force because warp thread and weft yarn exist with the form of near linear, show structural stability preferably, less extensibility and lower elasticity, owing to be interweaved, therefore be difficult for layering, but suitable type is relatively poor through weft yarn; In knitted structure, because warp thread or weft yarn mainly exist with the form of coil, do the time spent being subjected to external force, coil can be out of shape, and yarn can slippage, shows bigger extensibility and higher elasticity, and suitable type is good, but structural stability is relatively poor.
Woven knitting composite construction overcomes the defective of single machine-knitted structure or knitted structure, and merges the characteristics of two kinds of structures simultaneously, satisfies the specific (special) requirements of some field to fabric property, as composite enhancing etc.Publication number is the described multiple layer inlaid thread machine weaving knitting composite structure of the patent of CN101307527, has increased the number of plies that serves as a contrast weft yarn than common machine weaving knitting composite structure, has increased the thickness of fabric, has improved the ability of impacting outside the anti-plane of fabric.
But existing this multiple layer inlaid thread technology, organize in the row on adjacent two ground, one line serves as a contrast into three layers of weft yarn, and another line can only serve as a contrast the weft yarn into one deck, weft yarn serves as a contrast that to go into density into the number of plies and lining all different, therefore fabric thickness is inhomogeneous, and structure is asymmetric, causes its application in composite to be subjected to restriction to a certain degree.
Summary of the invention
For overcoming the deficiencies in the prior art, the invention provides the woven knitting composite construction of multilayer even laid, to solve because the weft yarn number of plies that lining is gone into and to serve as a contrast density different, fabric thickness is inhomogeneous, structure is asymmetric, causes its application in composite to be subjected to the technical problem of restriction to a certain degree.
For realizing above technical purpose, the present invention will adopt following technical scheme:
Woven knitting composite construction with multilayer even laid, the flat pin of latitude ground tissue, the flat pin of back latitude ground tissue, many three groups of weft yarns organizing the warp thread between the adjacent sinker loop and serve as a contrast each row with placing the preceding flat pin of latitude ground tissue and the flat pin of back latitude before comprising, in described three groups of weft yarns, first group of weft yarn then is lining between two adjacent warp thread, and second group of weft yarn organized between sinker loop and the warp thread with being lining in the preceding flat pin of latitude, and the 3rd group of weft yarn organized between sinker loop and the warp thread with being lining in the flat pin of back latitude.
In two adjacent rows, be directed to same warp thread, described first group of weft yarn is positioned at the front of this warp thread therein in row, then is positioned at the back of this warp thread in another row.
Described first group of weft yarn comprises two weft yarns, and these two weft yarns serve as a contrast between two adjacent warp thread abreast.
According to above technical scheme, can realize following beneficial effect:
The weft yarn that lining is gone in each row of the present invention all is three groups, then overcome in two groups of adjacent in prior art rows, lining into the weft yarn number of plies and lining to go into density different and fabric thickness that cause is inhomogeneous, structure is asymmetric, cause its application in composite to be subjected to the technical problem of restriction to a certain degree, the density of fabric construction of the present invention can change in the larger context simultaneously, certain structure stability is still arranged when filling yarn density is rarer, and drapability can also be regulated according to the size of coil.
Another technical scheme of the present invention provides the woven knitting composite construction isolated plant of multilayer even laid, this isolated plant comprises preceding needle-bar, back needle-bar, front needle bed knitting needle, back needle-bed knitting needle, the head Triangulum, also comprise the thread-carrier guide rod, first weft feeders, second weft feeders, the 3rd weft feeders, the stocking yarn thread-carrier, preceding warp thread thread-carrier, back warp thread thread-carrier, preceding warp thread locator and back warp thread locator, described thread-carrier guide rod is between preceding needle-bar and back needle-bar, and this thread-carrier guide rod front interval ground fixed order connects first weft feeders and stocking yarn thread-carrier, its tail end then can be connected along the slide block that guide rail moves with one, and be socketed with the guide rod sliding sleeve on the body of rod of this thread-carrier guide rod, second weft feeders and the 3rd weft feeders symmetrically active configuration in the front and back of straight-bar machines, it is horizontal that preceding in addition warp thread thread-carrier and back warp thread thread-carrier are parallel to the needle-bar direction respectively, its be connected the straight-bar machines frame on the support slide bar that can move forward and backward fixedly connected, and needle-bar and needle-bar top, back before warp thread thread-carrier and back warp thread thread-carrier lay respectively at before described, warp thread locator and back warp thread locator are arranged at respectively in the needle tray of preceding needle-bar and back needle-bar before described, thereby realize the braiding with woven knitting composite construction of multilayer even laid of the present invention by using this special flat knitting machine yarn feeding device, in addition as can be known by this device, the present invention can serve as a contrast into the multilayer weft yarn in each row of ground tissue, it is good to obtain structural symmetry, thickness is woven knitting composite construction comparatively uniformly, to satisfy the special instructions for use of composite, this apparatus structure is simple simultaneously, easy to adjust, it is wide to be suitable for yarn, except that conventional yarn, also be applicable to the braiding of high-strength and high-modulus yarn, as fibre glass roving, the basalt fibre rove, carbon fiber rove etc.
Another technical scheme of the present invention provides the braid method of the woven knitting composite construction with multilayer even laid, it is characterized in that, comprise the following steps: (1) preceding warp thread thread-carrier and back warp thread thread-carrier with two groups of warp thread from vertical feeding woven extent, every warp thread is fed between two pieces of knitting needles two groups of mutual switches of warp thread; (2) second weft feeders of active configuration in the straight-bar machines front and back moves with the parallel needle-bar of the 3rd weft feeders symmetrically, two groups of warp thread in step (1) be in the position time-division of remaining silent other two groups of weft yarns be fed into front needle bed knitting needle and the back needle-bed knitting needle needle back below; (3) the stocking yarn thread-carrier that is fixedly mounted on the thread-carrier guide rod moves with the parallel needle-bar of first weft feeders, when two groups of warp thread are in maximum open, the stocking yarn thread-carrier is in the pinhock of stocking yarn feeding front needle bed knitting needle or back knitted bed knitting needle, below the front needle bed knitting needle that first weft feeders is weaving the weft yarn feeding or the needle back of back needle-bed knitting needle; (4) move back and forth in the process at one, first weft feeders serves as a contrast weft yarn in advance before front needle bed knitting needle moves back circle, perhaps lags behind and goes into weft yarn at back needle-bed knitting needle lopping backsight.Know that thus braid method of the present invention is flexible, weft feeders requires that different duties can be arranged and the mode of entrying according to structural change, can produce the woven knitting composite construction of different levels.
Description of drawings
Below in conjunction with description of drawings technical scheme of the present invention.
The woven knitting composite construction schematic diagram of Fig. 1 multilayer even laid of the present invention;
Fig. 2 device schematic perspective view of the present invention;
Fig. 3 device side view of the present invention;
Fig. 4 original state schematic diagram;
Fig. 5 weaves the process schematic diagram;
Fig. 6 weaves the process schematic diagram;
Fig. 7 weaves the process schematic diagram;
Fig. 8 weaves the process schematic diagram;
Fig. 9 weaves the process schematic diagram;
Figure 10 weaves the process schematic diagram;
Figure 11 weaves the process schematic diagram;
Figure 12 weaves the process schematic diagram;
Figure 13 weaves the process schematic diagram;
Figure 14 weaves the process schematic diagram.
The specific embodiment
Below with reference to accompanying drawing technical scheme of the present invention is described in further detail.
As shown in Figure 1, woven knitting composite construction with multilayer even laid of the present invention, the flat pin of latitude ground tissue 1 before comprising, the flat pin of back latitude ground tissue 1 ', many place before the flat pin of latitude ground tissue 1 and the back warp thread 2 between the flat pin of latitude ground tissue 1 ' the adjacent sinker loop or 2 ' and three groups of weft yarns serving as a contrast each row, in described three groups of weft yarns, first group of weft yarn 3 or 3 ' then is lining between adjacent two warp thread 2 and 2 ', before being lining in, organize between coil 5 and the warp thread 2 ' second group of weft yarn 4 the flat pin of latitude, and the 3rd group of weft yarn 4 ' organized between coil 5 ' and the warp thread 2 with being lining in the flat pin of back latitude, described first group of weft yarn 3 or 3 ' comprises two weft yarns, and these two weft yarns serve as a contrast between adjacent two warp thread 2 and 2 ' abreast, and in adjacent two coils 6 and the 6 ' line, be directed to same warp thread 2 or 2 ', described the 3rd group of weft yarn 3 is positioned at the front of this warp thread 2 or 2 ' therein in row, then is positioned at the back of this warp thread 2 or 2 ' in another row.
As shown in Figures 2 and 3, the woven knitting composite construction isolated plant of multilayer even laid of the present invention, this special flat knitting machine yarn feeding device comprises preceding needle-bar, back needle-bar, front needle bed knitting needle, back needle-bed knitting needle, the head Triangulum, also comprise thread-carrier guide rod 11, first weft feeders 7, second weft feeders 8, the 3rd weft feeders 8 ', stocking yarn thread-carrier 9, preceding warp thread thread-carrier 10, back warp thread thread-carrier 10 ', preceding warp thread locator 18 and back warp thread locator 18 ', described thread-carrier guide rod 11 is between preceding needle-bar and back needle-bar, and this thread-carrier guide rod 11 front interval ground fixed order connects first weft feeders 7 and knits yarn thread-carrier 9, its tail end then can be connected along the slide block 12 that guide rail 14 moves with one, and be socketed with guide rod sliding sleeve 13 on the body of rod of this thread-carrier guide rod 11, second weft feeders 8 and the 3rd weft feeders 8 ' symmetrically active configuration in the front and back of straight-bar machines, manually control its parallel needle-bar move left and right, it is horizontal that preceding in addition warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' are parallel to the needle-bar direction respectively, its respectively be connected the straight-bar machines frame on the support slide bar 16 that can move forward and backward fixedly connected with 16 ', described support slide bar 16 and 16 ' is corresponding respectively to be socketed in symmetry and to be installed in the slide bar sliding sleeve 17 and 17 ' on the straight-bar machines frame, can move forward and backward, its position can be regulated; And needle-bar and needle-bar top, back before warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' lay respectively at before described, warp thread thread-carrier 10 or back warp thread thread-carrier 10 ' are between two pieces of knitting needles before each, and preceding warp thread thread-carrier 10 or back warp thread thread-carrier 10 ' spacing are identical with two needle gages, described before warp thread locator 18 and back warp thread locator 18 ' be arranged at respectively before needle-bar and after taking out in the needle tray of knitting needle of correspondence of needle-bar every one.
During use, before warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' respectively with two groups of warp thread 2,2 ' from vertical feeding woven extent, every warp thread is fed between two pieces of knitting needles, and warp thread guarantees that by preceding warp thread locator 18 and back warp thread locator 18 ' they are in correct needle gage position after arriving woven extent.Before warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' move forward and backward their position of exchange by support bar slide bar 16,16 ' along slide bar sliding sleeve 17 and 17 ', can be in closure and opening two states.Second weft feeders 8 and the 3rd weft feeders 8 ' are in when remaining silent state at two groups of warp thread 2,2 ', and parallel needle-bar surface move left and right is filled up weft yarn 4,4 ' below the needle back of front needle bed knitting needle and back needle-bed knitting needle respectively.The stocking yarn thread-carrier 9 and first weft feeders 7 are when two groups of warp thread 2,2 ' are in the maximum open state, under the drive of thread-carrier guide rod 11, enter or withdraw from Warp opening, move along the needle-bar surface is parallel together, stocking yarn thread-carrier 9 is in the pinhock of stocking yarn 1 or 1 ' feeding front needle bed knitting needle or back needle-bed knitting needle, and first weft feeders 7 is weft yarn 3 or the 3 ' front needle bed knitting needle that weaving of feeding or afterwards below the needle back of needle-bed knitting needle.When thread-carrier guide rod 11 when guide rail 12 1 sides enter two groups of warp thread 2,2 ' opening, first weft feeders 7 feeds weft yarn 3 ' or 3 in advance before front needle bed knitting needle moves back circle.When thread-carrier guide rod 11 turned back to guide rail 14 1 sides, first weft feeders 7 lagged behind and feed weft yarn 3 ' or 3 after the needle-bed knitting needle lopping of back.Two groups of warp thread interweave subsequently, and the weft yarn 3 or 3 ' of twice feeding is clamped.
In addition, change the duty (work or do not work) and their state of entrying (entry or do not entry) of second weft feeders 8 and the 3rd weft feeders 8 ', can obtain the woven knitting variation structure of the different inlaid thread density and the number of plies.
Shown in Fig. 4 to 12, the braid method with woven knitting composite construction of multilayer even laid of the present invention specifically may further comprise the steps:
Initial position: as shown in Figure 4, front needle bed knitting needle and back needle-bed knitting needle have just been finished the braiding process of lopping circulation, are in extreme lower position.Warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' are in the maximum open position respectively before this moment, and wherein preceding warp thread thread-carrier 10 is in the machine anterior locations, and back warp thread thread-carrier 10 ' is in the machine back location.Head Triangulum, stocking yarn thread-carrier 9 and first weft feeders 7 are in guide rail 14 1 sides, and second weft feeders 8 and the 3rd weft feeders 8 ' are in the relative side of guide rail 14, and they all are positioned at the outside of the formed woven extent of work knitting needle; The flat pin of latitude ground tissue 1 and afterwards between the row of the flat pin of latitude ground tissue 1 ' before two weft yarns 3 that fed at twice by first weft feeders 7 are in, the while also is between two groups of adjacent warp thread 2,2 '.
For the first time inlaid thread is prepared: as shown in Figure 5, preceding warp thread thread-carrier 10 and the 10 ' beginning of back warp thread thread-carrier be switch for the first time, stops when remaining silent the position when they are in, and this moment, two groups of warp thread were in plumbness, for the first time inlaid thread ready.
Inlaid thread for the first time: as shown in Figure 6, second weft feeders 8 moves toward woven extent from guide rail 14 relative sides with the 3rd weft feeders 8 ', respectively weft yarn 4,4 ' is encased inside below front needle bed knitting needle and the back needle-bed knitting needle needle back.
Exchange for the first time the position of warp thread thread-carrier: as shown in Figure 7, preceding warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' continue to finish the exchange motion from the position of remaining silent, when reaching the maximum open position, preceding warp thread thread-carrier 10 is in the machine back location, and back warp thread thread-carrier 10 ' is in the machine anterior locations.
The braiding of preceding needle-bar first line: Triangulum, stocking yarn thread-carrier 9 and first weft feeders 7, move toward woven extent from guide rail 14 relative sides, the stocking yarn thread-carrier 9 and first weft feeders 7 enter in the opening of two groups of warp thread formation, finish following braiding process:
(1) move back circle: as shown in Figure 8, under the effect of preceding needle-bar head triangle, front needle bed knitting needle rises to the extreme higher position, and old coil 19 moves on on the shank.
(2) pad yarn: under the effect of preceding needle-bar head triangle, front needle bed knitting needle begins to descend, and stocking yarn thread-carrier 9 fills up stocking yarn 1 in the pinhock of front needle bed knitting needle, and meanwhile, first weft feeders 7 serves as a contrast weft yarn 3 ' in advance before front needle bed knitting needle moves back circle.
(3) knocking over, kinking, lopping: as shown in Figure 9, under the effect of preceding needle-bar head triangle, knitting needle continues to descend, and old coil takes off on the coil that newly curves, and when knitting needle dropped to minimum point, new coil 20 was completed into.At this moment, be in the back of preceding needle-bar new coil line by the weft yarn 3 ' of first weft feeders, 7 leading feedings.
When first line of current needle-bar braiding was finished, Triangulum, stocking yarn thread-carrier 9 and first weft feeders 7 all were in the relative side of guide rail 14, and thread-carrier guide rod 11 is arranged in two groups of warp thread, 2,2 ' formed opening.
The braiding of back needle-bar first line: Triangulum, stocking yarn thread-carrier 9 and first weft feeders 7 back move, and the stocking yarn thread-carrier 9 and first weft feeders 7 withdraw from from the opening that two groups of warp thread form, and finish following braiding process:
(1) move back circle: as shown in figure 10, under the effect of back needle-bar head triangle, back needle-bed knitting needle rises to the extreme higher position, and old coil 19 ' moves on on the shank.
(2) pad yarn: under the effect of back needle-bar head triangle, back needle-bed knitting needle begins to descend, and stocking yarn thread-carrier 9 fills up stocking yarn 1 ' in the pinhock of front needle bed knitting needle, and meanwhile, first weft feeders 7 lags behind and goes into weft yarn 3 ' at back needle-bed knitting needle lopping backsight.
(3) knocking over, kinking, lopping: as shown in figure 11, under the effect of back needle-bar head triangle, back needle-bed knitting needle continues to descend, and old coil takes off on the coil that newly curves, and when knitting needle dropped to minimum point, new coil 20 ' was completed into.At this moment, the weft yarn 3 ' that lags behind feeding by first weft feeders 7 is in the back of back needle-bar new coil line.
When needle-bar first line braiding in back was finished, Triangulum, stocking yarn thread-carrier 9 and weft feeders 7 were all got back to a side of guide rail 14.
For the second time inlaid thread is prepared: as shown in figure 12, preceding warp thread thread-carrier 10 and the 10 ' beginning of back warp thread thread-carrier be switch for the second time, stops when remaining silent the position when they are in, and this moment, two groups of warp thread were in plumbness, for the second time inlaid thread ready.
Inlaid thread for the second time: as shown in figure 13, second weft feeders 8 moves from machine guide rail 14 1 sides toward guide rail 14 relative side backhauls with the 3rd weft feeders 8 ', respectively weft yarn 4,4 ' is encased inside below front needle bed knitting needle and the back needle-bed knitting needle needle back.
Exchange for the second time the position of warp thread thread-carrier: as shown in figure 14, preceding warp thread thread-carrier 10 and back warp thread thread-carrier 10 ' continue to finish the exchange motion from the position of remaining silent, when reaching the maximum open position, back warp thread thread-carrier 10 ' is in the machine back location, and preceding warp thread thread-carrier 10 is in the machine anterior locations.
The braiding of preceding needle-bar first line, back needle-bar first line: Triangulum, stocking yarn thread-carrier 9 and first weft feeders 7, move from guide rail 14 1 sides toward woven extent, reply then, front needle bed knitting needle is finished respectively and above-mentioned preceding needle-bar second line, the duplicate braiding process of back needle-bar second line with the back needle-bed knitting needle.When Triangulum, stocking yarn thread-carrier 9 and first weft feeders 7 were got back to the position of guide rail 14 1 sides, a new preceding needle-bar row and a new back needle-bar row have woven to be finished.At this moment, all mechanisms of knitting machine get back to initial position again, and the braiding of new repetitive can begin again to carry out.A repetitive is made up of 1 ' two rows of two rows and back latitude flat pin ground tissues of the flat pin of preceding latitude ground tissue 1.
Claims (4)
1. the woven knitting composite construction that has multilayer even laid, the flat pin of latitude ground tissue, the flat pin of back latitude ground tissue, many three groups of weft yarns organizing the warp thread between the adjacent sinker loop and serve as a contrast each row with placing the preceding flat pin of latitude ground tissue and the flat pin of back latitude before comprising, it is characterized in that, in described three groups of weft yarns, first group of weft yarn is lining between two adjacent warp thread, and second group of weft yarn organized between sinker loop and the warp thread with being lining in the preceding flat pin of latitude, and the 3rd group of weft yarn organized between sinker loop and the warp thread with then being lining in the flat pin of back latitude.
2. the woven knitting composite construction with multilayer even laid according to claim 1, it is characterized in that, in two adjacent rows, be directed to same warp thread, described first group of weft yarn is positioned at the front of this warp thread therein in row, then is positioned at the back of this warp thread in another row.
3. the woven knitting composite construction with multilayer even laid according to claim 1 is characterized in that, described first group of weft yarn comprises two weft yarns, and these two weft yarns serve as a contrast between two adjacent warp thread abreast.
4. have the braid method of the woven knitting composite construction of multilayer even laid, it is characterized in that, comprise the following steps:
(1) from vertical feeding woven extent, every warp thread is fed between two pieces of knitting needles two groups of mutual switches of warp thread with two groups of warp thread for preceding warp thread thread-carrier and back warp thread thread-carrier;
(2) second weft feeders of active configuration in the straight-bar machines front and back moves with the parallel needle-bar of the 3rd weft feeders symmetrically, two groups of warp thread in step (1) be in the position time-division of remaining silent other two groups of weft yarns be fed into front needle bed knitting needle and the back needle-bed knitting needle needle back below;
(3) the stocking yarn thread-carrier that is fixedly mounted on the thread-carrier guide rod moves with the parallel needle-bar of first weft feeders, when two groups of warp thread are in maximum open, the stocking yarn thread-carrier is in the pinhock of stocking yarn feeding front needle bed knitting needle, below the front needle bed knitting needle that first weft feeders is weaving the weft yarn feeding or the needle back of back needle-bed knitting needle;
(4) move back and forth in the process at one, first weft feeders serves as a contrast weft yarn in advance before front needle bed knitting needle moves back circle, perhaps lags behind and goes into weft yarn at back needle-bed knitting needle lopping backsight.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910033330XA CN101581008B (en) | 2009-06-18 | 2009-06-18 | Multilayer even laid-in weaving and knitting composite structure, weaving method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910033330XA CN101581008B (en) | 2009-06-18 | 2009-06-18 | Multilayer even laid-in weaving and knitting composite structure, weaving method thereof |
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| CN101581008A CN101581008A (en) | 2009-11-18 |
| CN101581008B true CN101581008B (en) | 2011-05-11 |
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| CN200910033330XA Expired - Fee Related CN101581008B (en) | 2009-06-18 | 2009-06-18 | Multilayer even laid-in weaving and knitting composite structure, weaving method thereof |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101736515B (en) * | 2009-12-30 | 2011-07-27 | 南通纺织职业技术学院 | Multi-layered warp knitted weft insertion weaving knitting composite structure and weaving method therefor and yarn feeding device |
| CN106192196B (en) * | 2015-05-07 | 2017-12-26 | 江苏伯龙宇航新材料科技有限公司 | A kind of suture method for weaving for the fabric that binds |
| CN109572123A (en) * | 2018-11-16 | 2019-04-05 | 江苏恒生环保科技有限公司 | Woven knitting composite construction based high-temp-resistant environmental protection filtrate of one kind and preparation method thereof |
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