CN101462660A - Device for monitoring undesired filament winding formation in textile machine - Google Patents
Device for monitoring undesired filament winding formation in textile machine Download PDFInfo
- Publication number
- CN101462660A CN101462660A CNA2008101911711A CN200810191171A CN101462660A CN 101462660 A CN101462660 A CN 101462660A CN A2008101911711 A CNA2008101911711 A CN A2008101911711A CN 200810191171 A CN200810191171 A CN 200810191171A CN 101462660 A CN101462660 A CN 101462660A
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- Prior art keywords
- roller
- yarn
- detect
- reel
- killer
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 9
- 238000009730 filament winding Methods 0.000 title claims description 20
- 238000012544 monitoring process Methods 0.000 title claims description 4
- 239000004753 textile Substances 0.000 title abstract 2
- 238000009941 weaving Methods 0.000 claims description 6
- 230000004913 activation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000004804 winding Methods 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000012806 monitoring device Methods 0.000 abstract description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000007115 recruitment Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
- B65H63/003—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to winding of yarns around rotating cylinders
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/31—Textiles threads or artificial strands of filaments
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Quality & Reliability (AREA)
- Winding Filamentary Materials (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The present invention relates to an unwanted thread formation monitoring device on rollers (3, 16) for textile machine, wherein enlarge of diameter of rollers (3, 16) may be detected so as to detection thread winding. According to the invention, limiting elements (6, 18) with fixed position is arranged near the rollers (3, 16), such that a thread winding produces a yarn accumulation between the rollers (3, 16) and the limiting element (6, 18), and brake torque (M<F>) is applied to the rollers; also the brake torque (M<F>) may be detected by means of a control unit (12, 25) so as to detect the thread winding.
Description
Technical field
The present invention relates to a kind of device that is used for monitoring the undesired filament winding formation on the weaving loom rotary rollers, wherein, can survey the increase of the diameter of roller, so that detect reel for yarn.
Background technology
In weaving loom, the application drives roller comes by the friction-driven yarn bobbin on it to be spooled.In this process, yarn may not be to be wound up on the bobbin as normal circumstances, but is wound up on the driven roller, and the result will produce undesired filament winding on driven roller in the extremely short time.This reel for yarn can cause huge infringement in weaving loom.
Corresponding problem may also can occur on thread guide drum.Thread guide drum is special roller, and it is used for the yarn to bobbin to be spooled is fed to described bobbin in the mode of traversing.Under the situation of broken yarn, in this thread guide drum (for example the sort of thread guide drum that in the cross winding machine, uses), also may form undesired filament winding.
In order to monitor the formation of this undesired filament winding, various solutions are disclosed.
First kind of solution suggestion monitors roller diameter, to detect undesired filament winding.So, to be close to the roller top arcuate member or sensing device in general are set, it will be deflected or activated when forming reel for yarn, thus the actuation switch element interrupts reeling and handles.This representative type solution for example in the preamble of DE 195 43 118 A1 in addition description.
Though this solution is relatively inexpensive, also there is such shortcoming, that is, it may the parking of execution error because vibrate.
The suggestion of second kind of solution under the situation of thread guide drum, monitors the increase of bobbin diameter, so that detect undesired filament winding.In this case, during reeling, the diameter increase along with the time monitors the controller of handling by reeling to bobbin constantly.Since occur on the thread guide drum undesired filament winding around the time, yarn or yarn will be wound to thread guide drum, so this moment can not occur the increase of diameter on bobbin.If the winding head controller has been found this situation, will interrupt so reeling and handle.In DE 37 03 869 A1 this solution is disclosed for example.
This solution is also less expensive, and this is because only need to develop once a kind of corresponding software, monitors that in order to the controller of handling by reeling the diameter of bobbin increases.Yet a plurality of coiling parameters are depended in the detection of undesired filament winding, and this makes that identification becomes unreliable in advance, and this solution has with described pair of rollers before and carries out the identical shortcoming of mechanical scan as a result.
For example propose, when making intersected coiled bobbin, the traversing of yarn via the thread guide drum feeding monitored at DE-OS 20 52 117 or described other solutions of DE 26 25 805 C2.For this reason, at the traverse side (DE-OS 20 52 117) of outer end or both sides (DE 26 25 805 C2) in zone of yarn the grating that monitors that yarn traverses is set.When undesired filament winding occurring on thread guide drum, yarn no longer traverses on the whole width in the former zone of traversing, so these gratings no longer respond, interrupting this moment reels handles.In addition, in DE 42 25 348 A1, propose, in order to monitor the motion of traversing, the sensor that will be photoelectric measurement value forms of sensor is arranged in the yarn guiding trough of thread guide drum regularly, the operation of yarn between illuminator and optical receiver will be used as shade and note, and generate corresponding electrical output signal.In last mentioned document, also described and do not used photoelectric measurement value sensor, and the optional mode of use measurement by capacitance value sensor, wherein, the electric capacity of measuring value sensor is owing to the operation of yarn between the condenser armature of described measuring value sensor changes, and generates the corresponding pulse motion that confirms to traverse.
This method has such advantage,, can detect undesired filament winding as early as possible that is.Yet this solution is relatively expensive, and is insecure when misguidance occurring, and owing to complicated sensing system is easy to break down.
According to the 4th solution, used the optoelectronic monitoring device, be used to discern undesired filament winding formation.In DE-OS 26 28 994, propose to use photoscanner, it radially or vertically launches light to roller surfaces to be monitored, so that analyze from the light of this roller reflection, and be converted into electric signal, wherein, catoptrical Strength Changes is used as the evidence that occurs undesired filament winding formation on this roller.Yet this system is relatively expensive, and its reliability depends critically upon the reflectance characteristics of yarn.
Summary of the invention
From prior art, the objective of the invention is to, make and can simply and reliably discern the undesired filament winding on the rotation roller in the weaving loom that it can be used for simple driven roller, also can be used for thread guide drum.
According to the present invention, this purpose will realize by the feature according to the characterization of claim 1.Favourable improved procedure of the present invention is the theme of dependent claims.
In order to realize this purpose, aspect device according to the present invention, with the killer of stationkeeping be arranged on described roller near, make reel for yarn between described roller and described killer, cause yarn to block up, and on roller brake activation moment.According to the present invention, can detect described lock torque by control unit, so that detect reel for yarn.
Device according to the present invention is a kind of reliable firm and simple system.Because killer is fixed with rigidity and immovable mode, so this device is insensitive for vibration, and required maintenance is less.In addition, this reliable crash-resistant structure has been simplified the elimination to the cylinder volume, and this is because can not damage responsive measurement technique.
Killer for example can be constructed to the plate with the peripheral tangent layout of described roller.It also can be constructed to bar, and described bar is arranged on the periphery of described roller in the mode of the axis that is parallel to roller.Here, killer can be adjacent with very close mode and roller, then just can detect earlier reel for yarn around.
Advantageously, described roller mechanically is connected with motor, so that the transmission of drive force square.Especially can be by electro-motor with mode drive roller simple and that be easy to control.
When reel for yarn occurring, the actuator of roller must overcome the lock torque that is produced by described volume.Therefore advantageously, can detect described lock torque by control unit based on the variation of the drive torque of described motor.If this actuator is controlled as invariablenes turning speed, then the increase of drive torque is just corresponding to lock torque.Under the situation of electro-motor, can easily calculate this moment according to winding current.Usually to measure described electric current in order to control motor, perhaps in the control loop of attaching troops to a unit, described electric current be pre-determined as expected value.So the identification of reel for yarn need not extra sensing system.
At the intersected coiled bobbin period of the day from 11 p.m. to 1 a.m of reeling and driving, on cross winding bobbin, exist the danger that undesired filament winding is reeled to occur by thread guide drum.For fear of it, between head roll and cross winding bobbin, often produce skidding of intermittence, to realize so-called picture disruption (pattern disruption).For this purpose, head roll will periodically be quickened, that is, bobbin is followed acceleration in the mode that postpones, and also can randomly be decelerated again.If in this process, controlled rotating speed rotation speed change in other words, will increase around drive torque then if reel for yarn during accelerator, occurred so.Drive torque required in moderating process will reduce, and this is because provide help around the lock torque that generates to this braking procedure by reel for yarn.In this case, the variation of drive torque also will be used to survey reel for yarn around.
If in order to quicken or the thread guide drum that slows down has been used constant drive torque respectively, be used to so reach the required time of desired speed will owing to reel for yarn around changing.Therefore, in another preferred implementation, lock torque can be detected based on changing the roller required time of rotating speed by control unit.
When analyzing acceleration process or braking process,, can drive torque or time be averaged with the duration in a plurality of cycles for fear of measured error.
Description of drawings
Below, further set forth the present invention in conjunction with embodiment illustrated in the accompanying drawings, in the accompanying drawing:
Fig. 1 illustrates wind2 with simplified side view, and it has driven roller and according to monitor unit of the present invention;
Fig. 2 illustrates the front view of Fig. 1;
Fig. 3 illustrates wind2 with simplified side view, and it has thread guide drum and the monitor unit of another embodiment according to the present invention;
Fig. 4 illustrates the front view of Fig. 3;
Fig. 5 represents the speed curves of the roller of winding head;
Fig. 6 is illustrated in the speed curves of the roller when reel for yarn occurring;
Fig. 7 represents the M curve of roll drive;
Fig. 8 be illustrated in occur reel for yarn around the time the M curve of roll drive.
The specific embodiment
Fig. 1 and Fig. 2 show wind2 with lateral plan and front view.,, feed and give by guide bar 5 and reciprocating removable thread-carrier 4 yarn 2 by the thread-carrier 14 of rigid arrangement in the mode of on the driven roller 3 of intersected coiled bobbin 1, traversing.The roller 3 that drives intersected coiled bobbin 1 mechanically is connected with electro-motor 13, so that the transmission of drive force square.Motor 13 is connected with control unit 12 via control path 11, and control unit 12 not only is responsible for control motor 13, but also is responsible for analyzing the moment that occurs, so that the reel for yarn on the identification roller 3.
Below roller 3, round bar 6 is arranged on the periphery of roller 3 in the mode that is parallel to roller 3 axis, and bar 6 is used as killer.If undesired filament winding occurred on the roller 3, then yarn will be stuck between bar 6 and the roller 3, and the roller that therefore causes rotating is difficult to rotate.In other words, when being stuck between bar 6 and the roller 3, reel for yarn is to roller 3 brake activation moments.
Also the present invention can be used to monitor the undesired filament winding formation on the thread guide drum 3 of automatic cross winding machine.In this case, as shown in Figure 3 and Figure 4, thread guide drum 16 has on its neighboring the yarn guiding trough of arranging with interleaved mode 17, is used to traverse feed yarn 19 to intersected coiled bobbin 15.The thread guide drum 16 that is rotated of yarn 19 of guiding in groove 17 alternately from a bobbin sidesway to another bobbin side.The zone of traversing of the yarn 19 that extends out from the thread-carrier 27 of fixed and arranged is represented with double-head arrow among Fig. 4.According to aforementioned embodiments, described device has the motor 26 that is used for the motorized motions thread guide drum, and this motor 26 is connected with control unit 25 via control path 24.As the plate 18 of killer, with the peripheral tangent mode disposed proximate of thread guide drum near cylinder.At this, this mode of operation is corresponding to first embodiment.The pattern of various roller-type and killer is removable.
Fig. 5 is illustrated in normally in service, the speed curves 31 of the driven roller of the winding head of manufacturing cross winding bobbin.For the constant drive torque of difference by motor 13,26 produces picture disruption, with roller 3,16 from rotation speed n
1Accelerate to rotation speed n
2Slow down then.For quickening required time is Δ t
1, the deceleration required time is Δ t
2When undesired filament winding runs on the roller, reel for yarn will block up because of the yarn that produces between roller 3,16 and killer 6,18, and to roller 3,16 brake activation moment M
F, this lock torque has weakened the drive torque of motor.This just causes, and as shown in Figure 6, under the unaltered situation of drive torque, is used for from rotation speed n
1Accelerate to rotation speed n
2Time be extended to time Δ t
3, this is because lock torque M
FWeakened drive torque.Curve 32 illustrates the curve of overall rotating speed to time t.The time decreased that is used to slow down is Δ t
4, this is because the lock torque M that reel for yarn produced
FStrengthened the motor torque that equally also plays brake action.
In Fig. 7, curve 33 is illustrated in the normally in service of winding head, the possible curve of the drive torque that is applied by motor 13,26.Here, M
1Be moment of accelerating, and M
2Retarding moment that is-symbol is opposite or lock torque.Normally in service, for example during corresponding to the desired speed value curve of the curve 31 of Fig. 5, will produce this M curve in input.Under desirable tachometer value unmodified situation, the reel for yarn on the roller will produce the M curve shown in the curve 34 of Fig. 8.Here, in order to obtain unmodified rotation speed change slope, the drive torque of motor 13,26 should be from unaffected moment M during accelerator
1Be increased to moment M
3, the lock torque M of recruitment for applying by reel for yarn
FReduce in order to obtain desirable rotating speed then, the amount of drive torque will be correspondingly from moment M
2Be reduced to moment M
4, the amount that reduces is moment M
F
Claims (6)
1. be used for monitoring the device of the undesired filament winding formation on the weaving loom rotary rollers (3,16), wherein, can detect the increase of the diameter of roller (3,16), so that detect reel for yarn, this device is characterised in that, with the killer (6,18) of stationkeeping be arranged on described roller (3,16) near, make reel for yarn at described roller (3,16) and between the described killer (6,18) cause yarn to block up, thus on described roller brake activation moment (M
F), and can detect described lock torque (M by control unit (12,25)
F), so that detect reel for yarn.
2. device according to claim 1 is characterized in that, described killer (6,18) is constructed to the plate (18) with the peripheral tangent layout of described roller.
3. device according to claim 1 is characterized in that, described killer (6,18) is constructed to bar (6), and described bar is arranged on the periphery of described roller in the mode of the axis that is parallel to described roller.
4. according to the described device of one of aforementioned claim, it is characterized in that described roller (3,16) mechanically connects with motor (13,26), so that transmission of drive force square (M
1, M
2, M
3, M
4).
5. device according to claim 4 is characterized in that, can be based on the variation of described motor (13,26) drive torque and detect described lock torque (M
F).
6. device according to claim 4 is characterized in that, can change required time (Δ t based on the rotating speed of described roller (3,16)
3, Δ t
4) and detect described lock torque (M
F).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007062631.4 | 2007-12-22 | ||
| DE102007062631.4A DE102007062631B4 (en) | 2007-12-22 | 2007-12-22 | Device for monitoring unwanted filament winding in a textile machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101462660A true CN101462660A (en) | 2009-06-24 |
| CN101462660B CN101462660B (en) | 2012-07-04 |
Family
ID=40689906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101911711A Active CN101462660B (en) | 2007-12-22 | 2008-12-15 | Device for monitoring undesired filament winding formation in textile machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN101462660B (en) |
| DE (1) | DE102007062631B4 (en) |
| IT (1) | IT1392668B1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508268A (en) * | 2012-06-27 | 2014-01-15 | 村田机械株式会社 | Textile machine |
| CN104512768A (en) * | 2013-10-05 | 2015-04-15 | 索若德国两合股份有限公司 | Method for operating a workplace on a textile machine for creating cross-wound spools |
| CN104627730A (en) * | 2013-11-09 | 2015-05-20 | 欧瑞康纺织有限及两合公司 | Delivery device for guiding thread |
| CN105517930A (en) * | 2013-08-31 | 2016-04-20 | 欧瑞康纺织有限及两合公司 | Method for detecting a thread lap and device for guiding a thread |
| CN111406032A (en) * | 2017-11-25 | 2020-07-10 | 欧瑞康纺织有限及两合公司 | Method for monitoring a winding device and winding device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010034971A1 (en) | 2010-08-20 | 2012-02-23 | Oerlikon Textile Gmbh & Co. Kg | textile machine |
| DE102014011937A1 (en) | 2014-08-12 | 2016-02-18 | Saurer Germany Gmbh & Co. Kg | Device for detecting unwanted filament winding |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2052117A1 (en) | 1970-10-23 | 1972-04-27 | W. Schlafhorst & Co, 4050 Mönchengladbach | Method and device for monitoring the lap formation on the thread guide drum of winding machines |
| JPS51147638A (en) | 1975-06-10 | 1976-12-18 | Nippon Selen Co Ltd | Prevent apparatus for uncorrect winding of traverse yarn winder |
| GB1557167A (en) | 1975-06-30 | 1979-12-05 | Ici Ltd | Method and apparatus for detecting yarn on rods and severing the yarn |
| US4188545A (en) * | 1975-06-30 | 1980-02-12 | Imperial Chemical Industries Limited | Yarn processing, method and apparatus |
| DE3703869C2 (en) | 1987-02-07 | 1996-12-12 | Schlafhorst & Co W | Method for monitoring and / or controlling the winding process and winding unit for executing the method |
| DE4225348A1 (en) | 1992-07-31 | 1994-02-03 | Schlafhorst & Co W | Thread winding appts. - has sensor equipment located in groove of traverse winding drum, to ensure presence of thread |
| DE19519542B4 (en) * | 1994-06-29 | 2004-05-13 | Saurer Gmbh & Co. Kg | Method and device for avoiding image winding |
| DE19543118A1 (en) | 1994-11-23 | 1996-05-30 | Barmag Barmer Maschf | Filament winding monitor giving early detection of incorrect winding |
| DE19829597A1 (en) * | 1998-07-02 | 2000-01-05 | Schlafhorst & Co W | Method for operating a textile machine producing cross-wound bobbins |
| DE19941723A1 (en) | 1999-09-02 | 2001-03-08 | Schlafhorst & Co W | Bobbin winder monitor has a light transmitter to send a light beam to a reflective surface at a bobbin drive or yarn guide roller to determine if yarn has wound itself around the roller |
| DE19941722A1 (en) | 1999-09-02 | 2001-03-08 | Schlafhorst & Co W | Bobbin winder for cross wound bobbins has an optic fiber monitor at the yarn guide roller to carry light between a transmitter and receiver with an interruption if yarn has wound itself around the roller |
| DE10112679A1 (en) | 2000-03-28 | 2001-10-04 | Barmag Barmer Maschf | System for the detection of clinging wound yarn around a roller has a feeler which is oscillated by any yarn to generate a noise which is registered and converted into electrical voltage signals |
-
2007
- 2007-12-22 DE DE102007062631.4A patent/DE102007062631B4/en not_active Expired - Fee Related
-
2008
- 2008-12-15 CN CN2008101911711A patent/CN101462660B/en active Active
- 2008-12-18 IT ITMI2008A002255A patent/IT1392668B1/en active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103508268A (en) * | 2012-06-27 | 2014-01-15 | 村田机械株式会社 | Textile machine |
| CN105517930A (en) * | 2013-08-31 | 2016-04-20 | 欧瑞康纺织有限及两合公司 | Method for detecting a thread lap and device for guiding a thread |
| JP2016533992A (en) * | 2013-08-31 | 2016-11-04 | 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 | Method for identifying pincushion and device for yarn guide |
| CN105517930B (en) * | 2013-08-31 | 2019-01-01 | 欧瑞康纺织有限及两合公司 | For the method for detection line winding and for the device of guide line |
| CN104512768A (en) * | 2013-10-05 | 2015-04-15 | 索若德国两合股份有限公司 | Method for operating a workplace on a textile machine for creating cross-wound spools |
| CN104627730A (en) * | 2013-11-09 | 2015-05-20 | 欧瑞康纺织有限及两合公司 | Delivery device for guiding thread |
| CN104627730B (en) * | 2013-11-09 | 2019-01-04 | 欧瑞康纺织有限及两合公司 | For guiding the delivery apparatus of yarn |
| CN111406032A (en) * | 2017-11-25 | 2020-07-10 | 欧瑞康纺织有限及两合公司 | Method for monitoring a winding device and winding device |
Also Published As
| Publication number | Publication date |
|---|---|
| ITMI20082255A1 (en) | 2009-06-23 |
| CN101462660B (en) | 2012-07-04 |
| DE102007062631A1 (en) | 2009-06-25 |
| IT1392668B1 (en) | 2012-03-16 |
| DE102007062631B4 (en) | 2018-07-26 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Owner name: SAURER GERMANY GMBH + CO. KG Free format text: FORMER OWNER: OERLIKON TEXTILE GMBH + CO. KG Effective date: 20131028 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131028 Address after: The German city of Remscheid Patentee after: Saurer Germany GmbH & Co.KG Address before: The German city of Remscheid leiwo Guselu No. 65 Patentee before: OERLIKON TEXTILE GmbH & Co.KG |
|
| CP03 | Change of name, title or address |
Address after: Bach-Palenberg, Germany Patentee after: Saurer Spinning Solutions GmbH & Co.KG Address before: The German city of Remscheid Patentee before: Saurer Germany GmbH & Co.KG |
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| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231023 Address after: Germany Yubach-Parenberg Patentee after: Lida Automatic Winder Co.,Ltd. Address before: Bach-Palenberg, Germany Patentee before: Saurer Spinning Solutions GmbH & Co.KG |
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| TR01 | Transfer of patent right |