CN206843722U - A kind of wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics - Google Patents
A kind of wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics Download PDFInfo
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- CN206843722U CN206843722U CN201720167899.5U CN201720167899U CN206843722U CN 206843722 U CN206843722 U CN 206843722U CN 201720167899 U CN201720167899 U CN 201720167899U CN 206843722 U CN206843722 U CN 206843722U
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- 238000002166 wet spinning Methods 0.000 title claims abstract description 34
- 238000005516 engineering process Methods 0.000 title claims abstract description 32
- 239000000835 fiber Substances 0.000 claims abstract description 84
- 238000007493 shaping process Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 42
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- Nonwoven Fabrics (AREA)
Abstract
The utility model discloses the device for layering that a kind of wet spinning technology prepares continuous yarn non-woven fabrics, including frame, in frame, the conveying direction of the sheet uniform fiber tow is provided with least one set of conveying roller for being used to convey sheet uniform fiber tow rotated in opposite directions, conveying roller is driven by reducing motor, the lower section of conveying roller is provided with the lace curtaining persistently moved along the conveying direction of sheet uniform fiber tow, the output end of conveying roller is provided with one to be used to intersect the web shaping mechanism stacked to breadth direction of the sheet uniform fiber tow on lace curtaining along lace curtaining will be dropped down onto down, it is provided between conveying roller and web shaping mechanism to the sheet uniform fiber tow progress when web shaping mechanism moves in heeling condition and the tilt quantity compensation mechanism of web shaping mechanism opposite direction transverse reciprocating drawing.Wet fibre bundle can be formed uniform sheet web by the utility model on lace curtaining, realized wet-laying, effectively improved continuous yarn non-woven fabrics quality.
Description
Technical field
The utility model belongs to non-woven fabric production equipment technical field, and more particularly to a kind of wet spinning technology prepares long filament
The device for layering of non-woven fabrics.
Background technology
Continuous yarn non-woven fabrics are widely used in the fields such as health care, agricultural, industry, automobile because of its excellent performance.Long filament
Non-woven fabrics can make it that non-woven fabrics is more thin, intensity is more preferable compared with staple fiber nonwoven fabric.Prepare continuous yarn non-woven fabrics at present
Preparation mainly include spun-bond process and wet spinning.Continuous yarn non-woven fabrics are prepared using spun-bond process, are to be extruded in polymer, drawn
Stretch after forming continuous filament yarn, long filament laying networking, fibre web is again by itself bonding, heat bonding, chemical adhesion or mechanical consolidation
Method, fibre web is set to become non-woven fabrics.The main technological steps of wet spinning are：Spinning solution-solidification-washing-winding-boundling-drawing
Stretch-curling-and cut off-secondary washing-wet shredding-drying-shredding-packing.Concrete technology flow process is：1. the preparation of viscose glue：Including
The processes such as dipping, squeezing, crushing, aging, yellow, dissolving, maturation, filtering, deaeration.2. spinning technique：Using wet spinning.It is viscous
Glue forms thread into sour coagulating bath is contained by spinneret orifice, and alkali is neutralized in viscose glue, and thread is frozen into strand, cellulose xanthate
Transformation tissue culture is into cellulose.3. post-process：Fiber need to be by locating after washing, neutralize, wash, oil and dry again etc. after shaping
Reason processing.
The A of CN 105401332, which are disclosed, a kind of to be prepared the technique of viscose fiber filament non-woven fabrics using wet spinning and sets
It is standby, comprise the following steps：The preparation of spinning technique (1), spinning solution；(2), stoste Hirschfeld-Klinger reaction, the shaping of (3), viscose rayon；
(4), wash；(5), dry：Non-woven fabrics moulding process；(6), lapping：Nascent viscose rayon tow after drying and processing is uniform
Disperse and be laid on lapper lace curtaining, form the filament web of stacking intersected with each other；(7), spun lacing is reinforced；(8), dry；
(9), wind.Equipment is made up of wet spinning device and non-woven fabric forming apparatus.Saved in the step of conventional wet spinning technique
Slightly correlation step, the production of non-woven fabrics is directly carried out using the viscose fiber filament of semi-finished product, the technique has broken traditional use
Finished fiber long filament is secondary to carry out the concept of nonwoven production, and is effectively saved production cost, reduces in technical process
Pollution to environment, improves production efficiency.Simultaneously CN 105420920 A, CN 105316869 A also disclose based on wet method
Spining technology prepares pure alginate fibre, the Processes and apparatus of pure chitosan fiber continuous yarn non-woven fabrics, although can pass through Wet-spinning
Silk prepares continuous yarn non-woven fabrics, but because filament fiber laying is uneven, and then the filament nonwoven obtained after spun lacing is fabric
The thickness of product can not reach consistent, that is to say, that using wet spinning technology, the direct lapping of obtained filament fiber is stacked
The continuous yarn non-woven fabrics that homogeneous, thickness is consistent, intensity is consistent are prepared, there is no any technology to accomplish at present.
The processing technology of needle punched non-woven fabrics disclosed in the A of CN 103290616, stacking is realized using 7~8 layers of lapping mode,
Nylon spun-bonded continuous yarn non-woven fabrics and preparation method thereof disclosed in the A of CN 102776710, this method is dry spinning, passes through dry method
After spinning obtains fiber filament, using air-flow stretching tube, lapping is carried out after the air-flow stretching mode stretching of drawing-off passage, first
And not specifically disclose how lapping, secondly this method is pinprick reinforcement mode, and to prepare thinner and take into account and ensure one
Determine the continuous yarn non-woven fabrics of intensity, web can be pierced and dissipated using acupuncture mode, and which is with wet spinning, through coagulating bath
The wet fibre bundle of output, can not enter air-flow stretching tube, can not realize wet-laying.
Above-mentioned technology solves the defects of tradition can not prepare continuous yarn non-woven fabrics by the direct lapping of fiber filament, but will
Want to carry out continuous yarn non-woven fabrics production using by the direct lapping of long filament made from wet spinning technology, its key factor is through wet method
Form of the wet fiber filament made from spinning after lace curtaining is entered is uniform sheet-like fiber net, and thickness is consistent, such ability
Ensure the non-woven fabrics thickness that is obtained after spun lacing is uniform, intensity is consistent.
Therefore, want to prepare continuous yarn non-woven fabrics using the direct lapping of long filament made from wet spinning technology, it is necessary to realize wet
Method spinning directly stacks lapping, and prior art does not have any record, and the long filament for using dry spinning technology to prepare carries out nothing
Spin cloth to prepare, short fine multi-compartment bed net mode is not suitable for wet spinning, and dry spinning air drawing carries out the mode of acupuncture also not
The field of wet spinning filament fiber spun lacing reinforcing can be used.How the continuous yarn non-woven fabrics obtained through wet spinning stack to be formed
Uniform sheet filament web, uniform lapping is realized, be the key of the technology, and the technical field is urgently to be resolved hurrily at present
Problem.
The content of the invention
In view of the deficienciess of the prior art, technical problem to be solved in the utility model is to provide a kind of structure letter
List, wet fibre bundle can be formed uniform sheet web on lace curtaining, realize wet-laying, effectively improve filament nonwoven
Cloth quality, it is ensured that thickness is consistent, the wet spinning technology of even intensity prepares the device for layering of continuous yarn non-woven fabrics.
In order to solve the above technical problems, technical solution adopted in the utility model is：It is prepared by a kind of wet spinning technology
The device for layering of continuous yarn non-woven fabrics, including a frame, and sheet uniform fiber tow to be conveyed, in frame, along described
The conveying direction of sheet uniform fiber tow be provided with it is at least one set of rotate in opposite directions be used for convey sheet uniform fiber tow
Conveying roller, conveying roller are driven by reducing motor, and the lower section of the conveying roller is provided with along the conveying side of sheet uniform fiber tow
To the lace curtaining of lasting movement, the output end of conveying roller is provided with one and is used for the sheet uniform fiber on lace curtaining will be dropped down onto down
Breadth direction of the tow along lace curtaining intersects the web shaping mechanism stacked, is set between conveying roller and the web shaping mechanism
It is equipped with to the sheet uniform fiber tow progress when web shaping mechanism moves in heeling condition and web forming machine
The tilt quantity compensation mechanism of structure opposite direction transverse reciprocating drawing.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and the web shaping mechanism includes a pair
The active format roll and driven format roll rotated in opposite directions, shaping supporting plate is provided with frame, is provided with the shaping supporting plate
For fixing the roll body support frame of active format roll and driven format roll, and the first of driving and driven format roll rotation is driven to watch
Motor is taken, axis direction of the guiding shaping supporting plate being connected with shaping supporting plate along driving and driven format roll is provided with the frame
The first guide rail moved back and forth in frame, and the hydraulic system that driving shaping supporting plate moves back and forth.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, the active format roll and driven format roll
Output end be provided with auxiliary sheet uniform fiber tow and swing and stack guiding gutter into the net, the guiding gutter is fixed on roll body branch
On support.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and the tilt quantity compensation mechanism includes a pair
The Active Compensation roller and driven compensating roller rotated in opposite directions, compensation supporting plate is provided with frame, is provided with the compensation supporting plate
For fixing the second roll body support frame of Active Compensation roller and driven compensating roller, and the driving and driven compensating roller of driving rotate the
Two servomotors, be provided with the frame be connected with compensation supporting plate be oriented to the axis for compensating supporting plate along driving and driven compensating roller
The second guide rail that direction moves back and forth in frame, and the second hydraulic system that driving compensation supporting plate moves back and forth.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, first servomotor by located at into
The first motor cabinet on type supporting plate is connected with shaping supporting plate, and first motor cabinet is fixed by the first screw and shaping supporting plate,
First guide rail is arranged to dovetail groove type guide rail.
Above-mentioned wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, and second servomotor passes through located at benefit
The second motor cabinet repaid on supporting plate is connected with compensation supporting plate, and second motor cabinet is fixed by the second screw and shaping supporting plate,
Second guide rail is arranged to dovetail groove type guide rail.
The advantages of the utility model wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics be：Utilize wet-laying
Principle, by the tilt quantity compensation mechanism of setting, to occurring from conveying roller to the sheet uniform fiber tow end moved back and forth
The sheet uniform fiber tow of heeling condition continues reciprocal traction force to perpendicular to the application of sheet uniform fiber tow conveying direction,
When can be to web shaping mechanism reciprocally swinging, there is inclined sheet uniform fiber tow and effectively tilted in input
Amount compensation, it is ensured that be in drawing-off state all the time from conveying roller to the uniform tow of sheet between web shaping mechanism, will not go out
The loose chaotic phenomenon of existing tow, it is ensured that eventually arrive at the fibre bundle laying on lace curtaining and intersect and uniformly carry out, to be follow-up
Spun lacing reinforces nonwoven molding with cloth and provides guarantees, the setting of web shaping mechanism, using driving driving and driven format roll turn simultaneously
Dynamic and transverse shifting mode, conveying effect is not only served, and realized to dropping down onto the length of the sheet uniform fiber on lace curtaining
The purpose that silk uniform crossover stacks, solve the direct lapping of wet fiber filament that tradition can not directly obtain to wet spinning,
And it is integrally uniform to lay obtained final web, it is ensured that the integral thickness of final continuous yarn non-woven fabrics, intensity are consistent.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the partial structurtes enlarged drawing of part A in Fig. 1；
Web shaping mechanism unidirectional mobile working schematic diagram when Fig. 3 is no tilt quantity compensation mechanism；
The loose condition (of surface) that web shaping mechanism reverse movement fibre bundle occurs when Fig. 4 is no tilt quantity compensation mechanism
Schematic diagram；
Fig. 5 is using state structure diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further details to the utility model；
As shown in Fig. 1,2,3,4,5, a kind of wet spinning technology prepares the laydown process of continuous yarn non-woven fabrics, including following step
Suddenly：
(1), the preparation of filament fiber tow 1：Spinning solution is sprayed by spinning head 2, and length is exported after coagulating bath is reacted
Silk fiber tow 1；
(2), the drawing-off of filament fiber tow 1：According to the purposes of continuous yarn non-woven fabrics, the intensity data of filament fiber is selected,
Filament fiber tow 1 after output is oriented stretching；
(3), the formation of sheet uniform fiber tow 3：The beam of filament fiber silk 1 after stretching arranges to form sheet uniformly fine
Tie up tow 3；
(4), the conveying of sheet uniform fiber tow 3：By the sheet uniform fiber tow 3 of formation by conveying roller 4 to net
The direction conveying of curtain 5；
(5), the tilt quantity compensation deals of sheet uniform fiber tow 3：Net is dropped down onto in the case where sheet uniform fiber tow 3 continues
During on curtain 5, row constraint is entered to the sheet uniform fiber tow 6 of heeling condition in advance so that sheet uniform fiber tow
3 are in relative tight state all the time；The specific method of the utility model embodiment is：Back and forth moved in sheet uniform fiber tow 3
Move during carrying out intersection stacking, to there is heeling condition from conveying roller 4 to the sheet uniform fiber tow end 7 moved back and forth
Sheet uniform fiber tow 6 to perpendicular to sheet uniform fiber tow 3 conveying direction apply continue reciprocal traction force.
(6), the lapping of filament web 8：Sheet uniform fiber tow 3 is moved back and forth along the axis direction of conveying roller 9,
Width intersected with each other stacking of the fiber filament for making to fall on lace curtaining 5 along lace curtaining 5, continuous uniform is formed on lace curtaining 5
Filament web 8.Stacked to ensure that sheet uniform fiber tow 3 can be realized accurately on lace curtaining 5, avoid sheet uniformly fine
Dimension tow 3 is fallen on outside lace curtaining 5, and the maximum displacement that conveying roller 9 moves back and forth along its axis is less than the breadth of lace curtaining 5.This practicality is new
What is be previously mentioned in type laydown process realizes the conveying roller 9 of width of the fiber filament along lace curtaining 5 stacking intersected with each other, and following
Described driven format roll 15 is the same part in device for layering, and the conveying roller 4 being previously mentioned in step (4) only serves conveying sheet
The effect of shape uniform fiber tow 3, is not the same part with conveying roller 9.
As shown in Figure 1, 2, a kind of device for layering for realizing laydown process, including a frame 10, and sheet to be conveyed
Uniform fiber tow 3, in frame 10, it is provided with along the conveying direction of the sheet uniform fiber tow 3 at least one set of opposite
What is rotated is used to convey the conveying roller 4 of sheet uniform fiber tow 3, and conveying roller 4 is driven by reducing motor 11, the conveying roller
4 lower section is provided with the lace curtaining 5 persistently moved along the conveying direction of sheet uniform fiber tow 3, in the output end 12 of conveying roller 4
One is provided with to be used to intersect what is stacked to breadth direction of the sheet uniform fiber tow 3 on lace curtaining 5 along lace curtaining 5 will be dropped down onto down
Web shaping mechanism 13, web shaping mechanism 13 include a pair of active format rolls 14 rotated in opposite directions and driven format roll
15, be provided with frame 10 shaping supporting plate 16, it is described shaping supporting plate 16 on be provided with for fix active format roll 14 and from
The roll body support frame 17 of dynamic format roll 15, and the first servo electricity that driving active format roll 14 and driven format roll 15 rotate
Machine, in the utility model embodiment, the problem of due to accompanying drawing angle, for the specific of clearer expression web shaping mechanism 13
Structure, therefore the first servomotor in fig. 1 and is not drawn into, the actuation techniques are ripe prior art, herein few solution
Release.The guiding being connected with shaping supporting plate 16 is provided with the frame 10 and is molded supporting plate 16 along active format roll 14 and driven shaping
The first guide rail 18 that the axis direction of roller 15 moves back and forth in frame 10, and the liquid that driving shaping supporting plate 16 moves back and forth
Pressure system, hydraulic system is arranged on device interior, therefore is not drawn into, and the technology be also well known to those skilled in the art it is existing
Technology, therefore seldom explain.First servomotor is held in the palm by the first motor cabinet 19 on shaping supporting plate 16 with shaping
Plate 16 is connected, and first motor cabinet 19 is fixed by the first screw 20 and shaping supporting plate 16, and the first guide rail 18 can select mesh
The dovetail groove type guide rail commonly used on preceding lathe, operates steadily, and maintenance is smaller, and precision is high.
In order to improve regularity when sheet uniform fiber tow 3 is fallen, it is ensured that it is fine to intersect the long filament being stacked on lace curtaining 5
Tie up net 8 uniformly, the output end 21 of active format roll 14 and driven format roll 15 is provided with auxiliary sheet uniform fiber tow 3
Swing and stack guiding gutter 22 into the net, the guiding gutter 22 is fixed on roll body support frame 17.
It is provided between conveying roller 4 and web shaping mechanism 13 and is tilted to being in when web shaping mechanism 13 moves
The sheet uniform fiber tow 6 of state compensated with the tilt quantity of the opposite direction transverse reciprocating of web shaping mechanism 13 drawing
Mechanism 23.Tilt quantity compensation mechanism 23 includes a pair of Active Compensation rollers 24 and driven compensating roller 25 rotated in opposite directions, in frame 10
On be provided with compensation supporting plate 26, be provided with the compensation supporting plate 26 for fixing Active Compensation roller 24 and driven compensating roller 25
Second roll body support frame 27, and the second servomotor that driving Active Compensation roller 24 and driven compensating roller 25 rotate, second watches
Take that motor is same with the first servomotor to be also not drawn into.The guiding being connected with compensation supporting plate 26 is provided with the frame 10 to compensate
The second guide rail 28 that supporting plate 26 moves back and forth along the axis direction of Active Compensation roller 24 and driven compensating roller 25 in frame 10, with
And the second hydraulic system that driving compensation supporting plate 26 moves back and forth, the second hydraulic system are also disposed at as the first hydraulic system
Device interior, therefore be not drawn into, certain present apparatus can control the first hydraulic system and the second hydraulic system simultaneously by controller,
Drive shaping supporting plate 16 to be moved respectively to opposite or relative direction with compensation supporting plate 26 simultaneously, realize compensation.Second servo
Motor is connected by the second motor cabinet 29 on compensation supporting plate 26 with compensating supporting plate 26, and second motor cabinet 29 passes through the
Two screws 30 are fixed with shaping supporting plate 26, and the second guide rail 28 is likewise provided as dovetail groove type guide rail.Certainly, the first guide rail 18 with
Second guide rail 28 is equally fixedly connected also by screw with frame.
As shown in figure 3, it can be seen in the drawings that in no tilt quantity compensation mechanism 23, web shaping mechanism 13
When laterally moving in one direction, the filament fiber tow between conveying roller 4 and web shaping mechanism 13 is molded in active
There is tilt phenomenon under the drive of roller and driven format roll, due to being persistently fed forward conveying roller 4, conveying roller 4 with
Filament fiber tow between web shaping mechanism 13 causes the filament fiber tow in the region to be more than due to inclination before
The distance of normal straight conveying, when web shaping mechanism 13 moves to another direction again, the sheet of heeling condition is uniform
Phenomenon loose as shown in Figure 4 then occurs in fibre bundle 6, then when web shaping mechanism 13 again move by deflecting, pine
Confusion can then occur for scattered filament fiber tow 31, just be difficult to ensure that the fibre through active format roll 14, the output of driven format roll 15
Tie up tow and uniformly can be realized on lace curtaining 5 and intersect stacking, it will directly affect the product quality of continuous yarn non-woven fabrics.Such as Fig. 5
It is shown, due to the tilt quantity compensation mechanism 23 of setting, then solve the problems, such as to occur it is chaotic, active format roll 14, it is driven into
Type roller 15 to a direction move when, Active Compensation roller 24 and driven compensating roller 25 in tilt quantity compensation mechanism 23 can be along masters
The opposite direction movement of dynamic format roll 14, the moving direction of driven format roll 15, realizes compensation purpose.
Certainly, it is to limitation of the present utility model that described above, which is not, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in essential scope of the present utility model, the variations, modifications, additions or substitutions made, all
The scope of protection of the utility model should be belonged to.
Claims (6)
1. a kind of wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics, including a frame, and sheet to be conveyed is equal
Even fibre bundle, it is characterised in that：In frame, the conveying direction of the sheet uniform fiber tow is provided with least one set
What is rotated in opposite directions is used to convey the conveying roller of sheet uniform fiber tow, and conveying roller is driven by reducing motor, the conveying roller
Lower section be provided with the lace curtaining that persistently moves of conveying direction along sheet uniform fiber tow, the output end of conveying roller is provided with one
For intersecting the fiber net forming stacked to breadth direction of the sheet uniform fiber tow on lace curtaining along lace curtaining will be dropped down onto down
Mechanism, it is provided with to being in heeling condition when web shaping mechanism moves between conveying roller and the web shaping mechanism
Sheet uniform fiber tow carry out with web shaping mechanism opposite direction transverse reciprocating drawing tilt quantity compensation mechanism.
2. wet spinning technology according to claim 1 prepares the device for layering of continuous yarn non-woven fabrics, it is characterized in that：The fibre
Dimension net forming mechanism includes a pair of active format rolls rotated in opposite directions and driven format roll, and shaping supporting plate is provided with frame,
The roll body support frame for fixing active format roll and driven format roll is provided with the shaping supporting plate, and is driven master and slave
The first servomotor that dynamic format roll rotates, be provided with the frame be connected with shaping supporting plate guiding shaping supporting plate edge master,
The first guide rail that the axis direction of driven format roll moves back and forth in frame, and the hydraulic pressure that driving shaping supporting plate moves back and forth
System.
3. wet spinning technology according to claim 2 prepares the device for layering of continuous yarn non-woven fabrics, it is characterized in that：The master
The output end of dynamic format roll and driven format roll is provided with auxiliary sheet uniform fiber tow and swings stacking guiding gutter into the net, institute
Guiding gutter is stated to be fixed on roll body support frame.
4. wet spinning technology according to claim 1 prepares the device for layering of continuous yarn non-woven fabrics, it is characterized in that：It is described to incline
Gradient compensation mechanism includes a pair of Active Compensation rollers rotated in opposite directions and driven compensating roller, and compensation supporting plate is provided with frame,
The second roll body support frame for fixing Active Compensation roller and driven compensating roller, and driving are provided with the compensation supporting plate
The second servomotor that driving and driven compensating roller rotates, the guiding compensation supporting plate being connected with compensation supporting plate is provided with the frame
The second guide rail moved back and forth along the axis direction of driving and driven compensating roller in frame, and driving compensation supporting plate move back and forth
The second hydraulic system.
5. wet spinning technology according to claim 2 prepares the device for layering of continuous yarn non-woven fabrics, it is characterised in that：It is described
First servomotor is connected by the first motor cabinet on shaping supporting plate with being molded supporting plate, and first motor cabinet passes through the
One screw is fixed with shaping supporting plate, and the first guide rail is arranged to dovetail groove type guide rail.
6. wet spinning technology according to claim 4 prepares the device for layering of continuous yarn non-woven fabrics, it is characterised in that：It is described
Second servomotor is connected by the second motor cabinet on compensation supporting plate with compensating supporting plate, and second motor cabinet passes through the
Two screws are fixed with shaping supporting plate, and the second guide rail is arranged to dovetail groove type guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167899.5U CN206843722U (en) | 2017-02-23 | 2017-02-23 | A kind of wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720167899.5U CN206843722U (en) | 2017-02-23 | 2017-02-23 | A kind of wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206843722U true CN206843722U (en) | 2018-01-05 |
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ID=60790929
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720167899.5U Expired - Fee Related CN206843722U (en) | 2017-02-23 | 2017-02-23 | A kind of wet spinning technology prepares the device for layering of continuous yarn non-woven fabrics |
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| Country | Link |
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| CN (1) | CN206843722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835508A (en) * | 2017-02-23 | 2017-06-13 | 扬州纪元纺织有限公司 | A kind of wet spinning technology prepares the laydown process and device of continuous yarn non-woven fabrics |
-
2017
- 2017-02-23 CN CN201720167899.5U patent/CN206843722U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835508A (en) * | 2017-02-23 | 2017-06-13 | 扬州纪元纺织有限公司 | A kind of wet spinning technology prepares the laydown process and device of continuous yarn non-woven fabrics |
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Granted publication date: 20180105 |