CN101016656A - Method and device for producing and storing tows - Google Patents
Method and device for producing and storing tows Download PDFInfo
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- CN101016656A CN101016656A CN 200710007970 CN200710007970A CN101016656A CN 101016656 A CN101016656 A CN 101016656A CN 200710007970 CN200710007970 CN 200710007970 CN 200710007970 A CN200710007970 A CN 200710007970A CN 101016656 A CN101016656 A CN 101016656A
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Abstract
The invention relates to a method and device to manufacture and store wire beams. Plenty of single wire beams are manufactured by parallel abreast spinning and pumping of polymer melts and form wire beams. The wire beams are continuously located in canisters of frame by transportation mechanism, and fills the canisters in order. In order to reliably received unqualified wire beams in beginning or ending of the process, a waster canister is located on the frame.
Description
Technical field
The present invention relates to a kind of be used to make with storing tows by the method for claim 1 preamble and the device that is used to implement the method by claim 9 preamble.
Background technology
By the known this method and apparatus of International Patent Application WO 2005/078172A1.
In known method and device,, carry out the filling of the bar tube of creel by the movably laying device that has a conveying mechanism that guides movingly in order in a kind of two stage process, to make staple fibre.Wherein, conveying mechanism is carried tow continuously, the feasible filament tow of extracting a large amount of melt-spinnings from a device for spinning out.In device for spinning, filament tow is parallel abreast by polymer melt spinning and extraction.In the bar tube that is laid in creel, make all filament tows be merged into tow, and flow to conveying mechanism jointly.In order to load a bar tube of creel, conveying mechanism makes tow can be laid in evenly distributedly on the entire cross section of bar tube in the bar tube by the motion guidance of a plurality of mutual superposition.For the fiberline that device for spinning is also made be arranged on the back can move continuously with the least possible break period, the bar tube is divided into two groups in creel.Bar tube in each bar tube group alternately loads tow and alternately emptying, and the emptying of filling of one of bar tube group and adjacent strip tube group is carried out simultaneously, so two stage process can be carried out basically continuously.Particularly have such expectation at this, that is, the tow that is laid in the bar tube has quality as far as possible uniformly.But the problem of Cun Zaiing is here, no matter be when process start or when being out of order, because the fracture of the interior long filament of filament tow changes the quantity of the filament tow of formation tow.Therefore such situation occurs, that is, tow only is made of a small amount of filament tow, thereby is not suitable for carrying out on fiberline the following process process.
Summary of the invention
Therefore the objective of the invention is, improve in this wise and suchly be used to make and the method for storing tows and the device that is used to implement this method, make with at that time running status irrespectively all the time with the bar tube of high-quality tow filling creel.
Another object of the present invention is, improves these class methods and device in this wise, makes and can carry tow equably when all running statuses.
This purpose is achieved by method with claim 1 feature and the device with claim 9 feature.
The good improvement of the present invention designs by the feature of corresponding dependent claims and feature combination and limits.
Characteristics of the present invention are that in manufacture process, therefore the tow that mass defect is arranged needn't be laid in the bar tube on the creel by independent separate collection.Thereby can avoid the measure of from creel, removing away in order to the tow waste material.The bar tube that is fixed in the creel only loads the tow that has for the needed product quality of subsequent treatment on fiberline.Particularly the process starting stage that each spinning part puts into operation in proper order in device for spinning, tow can just be carried from the beginning continuously.The ropy tow that produces during disconnected during the course simultaneously can be collected separately, needn't take out from the bar tube of creel by the removing work of trouble as waste material subsequently certainly.
For this reason, device of the present invention has an independent waste material bar tube, and it directly is equipped on the bar tube of creel.
The good improvement project of this inventive method that shifts out from the waste material position above the waste material bar tube by conveying mechanism during tow is carried, loadings in the waste material bar tube can maximize, and also can tackle even if experience has the long process break period or the long process time started of mass defect tow.
In the tow manufacture process, process begins or the process interrupt phase shows by such mode basically, and promptly the number of tow is not enough.Particularly give tow number regulation a tolerance when the quantity of the filament tow that is merged into tow is big, for example the number of tow is not less than lower limit when lacking a small amount of filament tow.Especially preferably adopt the such improvement project of the inventive method in this respect, wherein, when surpassing the minimum number of the filament tow that constitutes tow, just end to carry tow to waste material bar tube.Therefore, can when making tow, make full use of on the one hand the tolerance limit of tow number, reduce process break period on the other hand.Here the minimum number of filament tow can be selected according to the filament tow total quantity according to process, fiber type and final products.
Because may be because the process interruption appears suddenly and unpredictably in the fracture of wire of filament tow, such scheme advantageous particularly, that is, when the filling of the bar tube on creel was interrupted, tow was imported in the reject chute that is provided on the waste material bar tube end continuously.Thereby can interrupt just having at the beginning the tow of mass defect from process with reliable reception in the location independent ground of laying device above creel and independent output.At this moment, have no progeny in the filling of a bar tube therein, conveying mechanism just is fixed on the guide rail of reject chute top, thereby tow can be sent into reject chute continuously.
Can in creel, on a bar tube, continue the filling process on an optional position in order to have no progeny during the course, the such scheme of preferred employing, wherein, in order to accept filling again, conveying mechanism is shifted out until a loading position from the waste material position along the guide rail of reject chute top to one of bar tube.Thereby can advantageously avoid uncertain tow seasoning in creel.
The tow waste material is preferably discharged by changing waste material bar tube.Wherein, the replacing of waste material bar tube or when not changing waste material bar tube be to carry out during the bar tube in the filling creel with the operation of its emptying.
In device of the present invention, waste material bar tube preferably is installed on the position outside the creel, makes and can change easily.
Because method and apparatus of the present invention preferably is used in the two stage process, so bar tube bar frame is divided into two bar tube groups, one of them group is ready to emptying respectively and extracts tow out.In order unhinderedly to carry out the subsequent treatment in the fiberline, waste material bar tube preferably is arranged on the horizontal side of the creel that is opposite to the creel outlet side.
Wherein, in creel inside, set at least one reject chute for the bar tube, it extends on next door, bar tube side and matches with an end of waste material bar tube.
Here, reject chute preferably is arranged on the top middle position of two bar tubes between capable abreast with a longitudinal side of creel, thereby makes can keep the distance of lacking as far as possible when the filling process is interrupted.
In order irrespectively above creel, to form the guide rail arbitrarily of conveying mechanism with the layout of bar tube, the improvement structure advantageous particularly that apparatus of the present invention are such, that is, reject chute is by a plurality of interconnective segmentations formations.
In order to implement this method as far as possible effectively, the improvement structure optimization of apparatus of the present invention is designed to like this, wherein, laying device is furnished with one and is used to control the location of conveying mechanism and the control device of motion, and the sensing element that described control device and is used to monitor filament tow and/or tow is connected.The tow number changes thereby can promptly write down particularly, and produces control signal corresponding, with the control laying device, particularly guides conveying mechanism.
Laying device preferably is made of a controllable machine people who has the multi-spindle machining hand, and robot is fixed on conveying mechanism on its manipulator, and here, being used for the guiding of conveying mechanism and the motion algorithm of location can convert by robot controller with simple mode.
In order to carry out the filling and the emptying of the bar tube of each tube group simultaneously when creel maintains static, robot preferably hangs and is fixed on the sliding part support.Therefore, the needed guide wire apparatus of the emptying of bar tube can be in a plane and the reject chute that is used to receive the tow waste material can freely be arranged in same or another plane above the creel, and do not hinder laying device.
Method and apparatus of the present invention can irrespectively be used for a large amount of bar tubes in creel of the even in turn filling of a high-quality tow of extracting out from device for spinning with process, fiber type and bar tube type.The present invention is particularly suitable for being used for extracting out continuously the synthetic filaments bundle that is merged into a tow from device for spinning in two-stage staple fibre manufacture process, and in the bar tube of input creel, wherein, adjacent bar tube group is ready to emptying simultaneously, make the tow of from the bar tube, extracting out guide in fiberline as a strand jointly, and can be processed into staple fibre.
Description of drawings
Some embodiment by means of the apparatus of the present invention that are used to implement correlation method describe in detail according to method of the present invention with reference to accompanying drawing below.
Accompanying drawing is represented:
Fig. 1 is used to implement the schematic diagram of first kind of embodiment of apparatus of the present invention of the inventive method;
The diagrammatic side view of the laying device that has the creel that sets of embodiment among Fig. 2 Fig. 1;
The diagrammatic top view of the creel of embodiment among Fig. 3 Fig. 1;
The diagrammatic side view of another embodiment of Fig. 4 apparatus of the present invention.
The specific embodiment
Schematically show first embodiment of the apparatus of the present invention that are used to implement the inventive method among Fig. 1.
This device has a device for spinning 1, a draw-gear 2, a laying device 3 and a creel 4, and they hierarchically are provided with mutually.Be arranged on undermost creel 4 and have many tubes 5, they are alternately loaded tow 6 by the laying device 3 that is arranged on creel 4 tops movably.For melt-spinning is merged into the filament tow of tow in a large number, device for spinning 1 comprises many spinning parts.In by the embodiment of Fig. 1, express 5 spinning parts 12.1 to 12.5 for example.The quantity of spinning part is illustrative.Such device for spinning can have 20,30 or more spinning parts, in order to make tow.Each spinning part has a Spinning pumps 13, and it is connected with an extruder 11 with a melt source in the present embodiment by a melt distributor 27, but the melt source also can directly be made of a polymerization unit.
In spinning part 12.1 to 12.5, Spinning pumps 13 is furnished with a spinning-nozzle 14 respectively, and they have a large amount of spinneret orifices on its bottom surface, extrudes a large amount of monofilament bars by them.Therefore each spinning-nozzle 14 produces one filament tow 7.
Below spinning-nozzle, spinning part 12.1 to 12.5 directly is equipped with a cooling device 15, and firm spun filament tow 7 cools off by it.Cooling device 15 comprises a cold airflow generator, and it aims at filament tow 7 with cold air stream.The cold airflow generator that does not draw in detail in the present embodiment can be the blowing wall that forms in a side or be arranged on Blowing drum in the filament tow.
One oiling device 16, a thread guide 17 and slewing rollers 18 are set, so that filament tow 7 is merged into a fiber skein below cooling device 15 in each spinning part 12.1 to 12.5.
For filament tow 7 is extracted out, one draw-gear 2 is set in slewing rollers 18 back from device for spinning 1.Draw-gear 2 has the carry-over pinch rolls 19 of side by side many or overlapping setting, and the filament tow that is merged into tow 6 is guided on its circumference together.Carry-over pinch rolls 19 are activated, and can have a guiding shell cooling or heating according to the difference of the tow of manufacturing.
In the draw-gear back godet roller 28 is set, tow 6 is directed into laying device 3 by it.
Below laying device 3, be provided with the creel 4 of many tubes.For the equipment situation of laying device 3 belows is described, additionally with reference to Fig. 2 and 3.In Fig. 2, schematically illustrate laying device 3 and creel 4, in Fig. 3, represent creel with vertical view with side view.If specifically do not indicate certain figure in this respect, following description is applicable to Fig. 1 to 3.
It is capable that the bar tube 5 that is provided with in creel 4 is arranged in four bar tubes with embarking on journey altogether, tube group 29.1 of the capable formation of wherein per two bar tubes, the adjacent capable formation of bar tube bar tube group 29.2.A plurality of guide wire apparatus 25 are set, they and outlet roller 24 mating reactions that are arranged on the outlet side 30 in the symmetrical plane between bar tube group 29.1 and 29.2.
On the relative horizontal side of creel 4, one waste material bar tube 8 is set near creel 4 next doors.Waste material bar tube 8 sets second reject chute 26 that one first reject chute 9 and is made up of a plurality of segmentations, and they extend in a plane above creel.Reject chute 9 be parallel to creel 4 longitudinal sides be distributed in each bar tube of bar tube group 29.1 capable between.Reject chute 26 has a segmentation that is parallel to the creel longitudinal side equally, and extend between each bar tube of second bar tube group 29.2 is capable the longitudinal side that it is parallel to creel 4.Second segmentation of reject chute 26 is parallel to the horizontal side of creel 4 to be fixed, and reject chute 26 is connected with waste material bar tube 8.Reject chute 9 and 26 extends to last capable bar tube of bar tube of bar tube group 29.1 and 29.2 basically respectively always.
In when operation, the tow of extracting out from device for spinning 1 by draw-gear 26 is continuously delivered to laying device 3, and it is packed tow 6 in the bar tube 5 of creel 4 continuously by conveying mechanism 10.For this reason, laying device 3 drives to loading position, top of 4 tubes 5 of creel together with conveying mechanism 10.
In the operation phase that produces defective and the faulty tow of quality owing to fault, bar tube 5 corresponding filling processes are interrupted, and laying device 3 drives to a waste material position of waste material bar tube 8 tops.For example in Fig. 1, represented this state.For conveying mechanism 10 is directed to the waste material position from corresponding loading position, laying device 3 and conveying mechanism 10 travel on the regulation guide rail directly over reject chute 9 or 26.The ground as before defective tow 6 of input is continuously imported reject chute 9 or 26 at laying device 3 by conveying mechanism 10 continuously in the distance of waste material position, be positioned at until conveying mechanism 10 till the waste material position of waste material bar tube 8 tops.In this distance, conveying mechanism preferably remains on the resting position in the middle of, makes tow to be placed on reliably in reject chute 9 or 26.
In case conveying mechanism remains on the waste material position, just can start conveying mechanism 10 be used for make tow 6 be laid in reciprocating motion in the waste material bar tube 8 so that make the loadings maximization in the waste material bar tube 8.
In case got rid of the fault in the manufacture process and produced perfect tow 6, just started laying device 3, so that conveying mechanism 10 is moved to a loading position of bar tube 5 tops of creel 4 from the waste material position.At this moment conveying mechanism 10 is guided in a guide rail that extends above reject chute 9 or 26 equally, thereby avoids the uncertain lay of tow in creel 4.In case conveying mechanism 10 arrives new loading position, process just can be proceeded.Thus, process is interrupted and can be finished reliably under the situation that tow is carried continuously, and does not cause the uncertain seasoning of tow in the creel 4.Use manually or output automatically after being laid in disconnected during the course end of bunch fiber in reject chute 9 or 26, especially directly introduce in the waste material bar tube 8, waste material bar tube 8 preferably is fixed on creel 4 next doors replaceably, makes that the tow waste material can be by changing 8 outputs of waste material bar tube.Also there is such possibility, that is, waste material bar tube 8 is combined in the creel 4, make and export the tow waste material by emptying waste material bar tube 8.
In the embodiment shown in Fig. 1, usually a large amount of spinning parts produce a filament tow side by side abreast respectively, and they form tow 6 jointly.Therefore, when process begins, need be with each independent filament tow repiece and conveying continuously on roller of each spinning part.In this stage that process begins, during repiece, tow is carried by conveying mechanism 10, and this tow has not enough too little number, also may be this situation when the situation of fracture of wire appears in filament tow.In order to export too thin tow continuously, laying device 3 is remained on the waste material position together with conveying mechanism 10, thereby tow 6 is introduced waste material bar tube 8 continuously for follow-up processing procedure.This process continues up at least that the filament tow of quantity generates on roller, and becomes thus till the tow 6.Here, the quantity at least of filament tow is to decide on the tolerance of tow number, and with this number, tow can also guarantee for subsequent treatment enough fibre strengths are arranged.
Except process begin with the process interrupt phase, also have such possibility, that is, laying device 3 is positioned on the waste material position in the maintenance period together with conveying mechanism 10.Basically realize thus: at the especially bar tube of the uniform tow filling of quality creel 4 of run duration.Therefore, illustrated embodiment preferably is suitable for, and the tow of a bar tube group is extracted out together and is flowed to fiberline as strand by outlet roller.Therefore bar tube group 29.1 and 29.2 is alternately loaded and emptying.
Represent to be used to implement another embodiment of the device of the present invention of the inventive method in Fig. 4 with partial view, wherein, device for spinning and draw-gear design identically with embodiment by Fig. 1, and laying device 3 and creel 4 therefore only draw.With reference to the foregoing description, only part is distinguished in explanation below in this respect.
Above bar tube 5, the middle position between bar tube group 29.1 and 29.2 is provided with a guide wire apparatus 25, it and unillustrated outlet roller mating reaction on the outlet side of creel 4 here.
For the bar tube with tow 6 filling creels 4, laying device 3 has a guiding sliding part 31 in suspended rail 32.Suspended rail 32 mainly is made of two guide rails 33, and the roller 34 of guiding sliding part 31 travels in the guide rail the inside.On guiding sliding part 31, fix a sliding part support 35, the L shaped arm that it is designed to overhang.One robot 36 hang to be installed on sliding part support 35, and wherein, robot 36 has multi-spindle machining hand 37, and it is downwards towards creel 4, and a support 22 that has a conveying mechanism 10 at its free end upper support.Robot can for example be made of industrial robot common on the market, and it for example realizes the motion of conveying mechanism 10 by means of executive component and drive unit by 6 kinematic axis of manipulator.These robot 36 usefulness robot controllers 43 are controlled for this reason.
Suspended rail 32 is fixed in the symmetrical plane of creel 4, thereby manipulator 37 selectively loads the bar tube of bar tube group 29.1 or 29.2.
Apparatus of the present invention in the embodiment shown in Fig. 4, the defectiveness state of tow 6 is measured by sensing element 45.Here, for example can adopt optical pickocff as sensing element 45.In case in control device 42, record tow 6 out-of-size scope aspect number, just send control signal by control device 34 to robot controller 43 and linear drive apparatus 44, they interrupt the filling process, and make and move to a waste material bar tube 8.1 or 8.2 in the guide rail of conveying mechanism above waste material bar tube 9.1 or 9.2, thereby, assurance is changed fast and effectively when manufacture process breaks down, and makes that 5 in bar tube in creel 4 loads the perfect tow of quality.
Embodiment shown in Fig. 4 also is particularly suitable for when process begins, in order to when reaching the filament tow minimum number that forms tow, introducing manufacture process, thereby with the tow seasoning in the bar tube.At this moment, send to robot controller 43 and linear drive apparatus 44 control signal corresponding, so that make conveying mechanism 10 move to a loading position from that time waste material position by control device 34.Wherein, conveying mechanism remains in the guide rail of reject chute 9.1 or 9.2 tops, therefore can receive the tow of being carried continuously reliably.
The Reference numeral table
1 device for spinning, 24 outlet rollers
2 draw-gears, 25 guide wire apparatus
3 laying devices, 26 multi-piece type reject chutes
4 creels, 27 melt distributors
29.1,29.2 tube groups of 6 tow
7 filament tows, 30 outlet sides
8,8.1,8.2 waste material bar tubes, 31 guiding sliding parts
9,9.1,9.2 reject chutes, 32 suspended rails
10 conveying mechanisms, 35 33 guide rails
11 extruders, 34 rollers
12.1,12.2 ... 12.5 spinning parts, 35 sliding part supports
13 Spinning pumpss, 36 robots
14 spinning-nozzles, 37 manipulators
15 cooling devices, 40 38 input units
16 oiling devices, 39 roller seats
17 thread guides, 40 conveying rollers
18 slewing rollers, 41 carry-over pinch rolls
19 carry-over pinch rolls, 42 control device
20 guiding frameworks, 45 43 robot controllers
21 frame sliding parts, 44 linear drive apparatus
22 supports, 45 sensing elements
23 conveying rollers, 46 slewing rollers
Claims (19)
1. be used to make method with storing tows, wherein, make, extract out a large amount of filament tows and it is merged into tow by parallel the spinning abreast of polymer melt, and, tow is laid in each bar tube of creel by the conveying mechanism of guiding movingly, wherein, each the bar tube in the creel is loaded in turn, it is characterized by: begin and/or process when interrupting in process, tow is transported in the independent waste material bar tube.
2. by the method for claim 1, it is characterized by: during tow was carried, conveying mechanism shifted out from a waste material position of waste material bar tube top.
3. by the method for claim 1 or 2, it is characterized by: the tow that will be formed by the filament tow of partial amt is imported in the waste material bar tube continuously.
4. by the method for claim 3, it is characterized by: behind the minimum number that surpasses the filament tow that constitutes tow, end tow is imported waste material bar tube.
5. by each method of claim 1 to 4, it is characterized by: when the filling of a bar tube of creel is interrupted, tow is imported continuously a reject chute that is equipped on waste material bar tube with an end.
6. by the method for claim 5, it is characterized by: having no progeny in the filling of one of bar tube makes conveying mechanism be directed to the waste material position on the guide rail above the reject chute.
7. by the method for claim 6, it is characterized by:, make conveying mechanism be directed to a loading position from the waste material position along the guide rail of reject chute top in order to accept filling again to one of bar tube.
8. by each method of aforesaid right requirement, it is characterized by: during the bar tube of filling creel, change or emptying waste material bar tube.
9. be used to implement each the device of method by claim 1 to 8, comprise that a device for spinning (1), a draw-gear (2), have the laying device (3) of the conveying mechanism (10) of guiding movingly and a large amount of bar tubes (5) of a creel (4), wherein, laying device (3) is designed to and can moves in creel (4) top, it is characterized by: set at least one independent waste material bar tube (8) for the bar tube (5) of creel (4).
10. by the device of claim 9, it is characterized by: waste material bar tube (8) is arranged in the position outside the creel (4) replaceably.
11. by the device of claim 10, it is characterized by: waste material bar tube (8) is arranged on the horizontal side of creel (4) that is opposite to creel (4) outlet side (30).
12. each the device by claim 9 to 11 is characterized by: set at least one reject chute (9) for creel (4) in bar tube (5), described reject chute is equipped on waste material bar tube (8) in the extension of next door, bar tube (5) side and with an end.
13. the device by claim 12 is characterized by: the longitudinal side that reject chute (9) is parallel to creel (4) is arranged on two middle positions, top of going between the bar tubes (5).
14. by the device of claim 12 or 13, it is characterized by: reject chute (26) is made of a plurality of interconnective segmentations.
15. each device by claim 9 to 14, it is characterized by: laying device (3) is furnished with one and is used to control the location of conveying mechanism (10) and the control device (42) of motion, and described control device (42) is connected with the sensing element (45) that is used to monitor filament tow (7) and/or be used to monitor tow (6).
16. each the device by claim 9 to 15 is characterized by: laying device (3) has a robot (36) that has multi-spindle machining hand (37), and this robot (36) described conveying mechanism (10) at the free end upper support of its manipulator (37).
17. device by claim 16, it is characterized by: manipulator (37) has at least 5 kinematic axis, can implement and control conveying mechanism (10) in one of loading position that is used for loading the bar tube (5) that is set or be used for location and motion with the waste material position in tow (6) the input waste material bar tube (8) by them.
18. each the device by claim 9 to 17 is characterized by: laying device (3) has a guiding sliding part (31), the described robot of its holding (36), and it is mobile at least one guide rail (32) of creel (4) top.
19. the device by claim 18 is characterized by: described robot (36) hangs and is fixed on the described guiding sliding part (31).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006006098.9 | 2006-02-10 | ||
| DE102006006098 | 2006-02-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101016656A true CN101016656A (en) | 2007-08-15 |
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ID=38725876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710007970 Pending CN101016656A (en) | 2006-02-10 | 2007-02-01 | Method and device for producing and storing tows |
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| CN (1) | CN101016656A (en) |
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| CN107130308B (en) * | 2016-02-29 | 2021-10-15 | 日本Tmt机械株式会社 | Spinning tractor |
| CN106350876A (en) * | 2016-11-22 | 2017-01-25 | 江苏新豪威特种化纤有限公司 | Chemical fiber stacking device capable of achieving lifting adjustment |
| CN106521656A (en) * | 2016-11-22 | 2017-03-22 | 江苏新豪威特种化纤有限公司 | Multi-strand filament laminating device with high-degree malposition |
| CN106350877A (en) * | 2016-11-22 | 2017-01-25 | 江苏新豪威特种化纤有限公司 | Multi-strand chemical fiber stacking device with adjustable output height |
| CN108394758A (en) * | 2017-02-06 | 2018-08-14 | 日本Tmt机械株式会社 | Threading method in Yarn winding device, spinning draft gear and Yarn winding device |
| JP2021503566A (en) * | 2017-11-17 | 2021-02-12 | エーリコン テクスティル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトＯｅｒｌｉｋｏｎ Ｔｅｘｔｉｌｅ ＧｍｂＨ ＆ Ｃｏ． ＫＧ | Melt spinning equipment |
| WO2019096625A1 (en) * | 2017-11-17 | 2019-05-23 | Oerlikon Textile Gmbh & Co. Kg | Melt spinning device |
| JP7143411B2 (en) | 2017-11-17 | 2022-09-28 | エーリコン テクスティル ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフト | Melt spinning equipment |
| US11697891B2 (en) | 2017-11-17 | 2023-07-11 | Oedikon Textile GmbH & Co. KG | Melt spinning device |
| CN115233324A (en) * | 2022-08-05 | 2022-10-25 | 常州德利斯护理用品有限公司 | Spinning-bonding drafting device for preparing special-shaped fibers with different cross sections |
| CN115233324B (en) * | 2022-08-05 | 2023-11-03 | 常州德利斯护理用品有限公司 | Spun-bonded drafting device for preparing special-shaped fibers with different cross sections |
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