CN1366104A - Displacement-type yarn feeder and its method - Google Patents
Displacement-type yarn feeder and its method Download PDFInfo
- Publication number
- CN1366104A CN1366104A CN 01101451 CN01101451A CN1366104A CN 1366104 A CN1366104 A CN 1366104A CN 01101451 CN01101451 CN 01101451 CN 01101451 A CN01101451 A CN 01101451A CN 1366104 A CN1366104 A CN 1366104A
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- yarn
- dish
- defeated
- move
- lever
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- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
A displacement-type yarn feeder and its feeding method are disclosed. A yarn shifting disk is used for continuous shift of the yarn wound on the rubber ring of yarn feeding wheel to generate both automatic sliding and preventing tangle functions, and the continuous shift of yarn on metallic shell of yarn-feeding wheel is used to change the arranged state of yarn turns, so stabilizing the tension of yarn. Its advantages are high stability, simple structure and low cost.
Description
A kind of displacement-type yarn-feeding device and defeated yarn method that is used for knitting machine in textile industry.
Before the present invention makes, have a common feature, promptly fix by the yarn input and the output of defeated yarn wheel by the yarn-feeding device of Europe and Japanese well-known manufacturer production.The MPF type storage type fixed-length positive yarn-feeding device that this class yarn-feeding device has German Memminger company to produce, the elongated passive yarn-feeding device of SFE type that former Sweden IRO company produces, the Y.S.2 type fixed length that Japanese good fortune source company produces is interrupted positive yarn-feeding device.The manufacturer in China's Mainland and Taiwan mainly is engaged in the roughly the same production of product.On the keen competition market of yarn-feeding device, MPF type yarn-feeding device need further reduce cost, and improves the stability of the defeated yarn of fixed length; SFE type yarn-feeding device expensive need reduce cost significantly and further reduce volume; Y.S.2 type yarn-feeding device need be interrupted defeated yarn from fixed length to be developed to adapt to braided fabric to the demand for yarn to the defeated yarn of elongated interruption.
The characteristics of displacement-type yarn-feeding device of the present invention are yarn input and the output generation continuous dislocations that makes by defeated yarn wheel, it utilizes the continuous dislocation of yarn on the rubber hub, generation is skidded and antiwind effect automatically, constitutes continuously elongated and the elongated yarn-feeding device of interruption; It utilizes the continuous dislocation of yarn on the metal hub, improves the ordered state of yarn, reaches the effect of stable defeated yarn tension, constitutes storage type fixed length yarn-feeding device.It is simpler to the objective of the invention is to release a kind of structure, and volume is littler, and price is lower, the novel yarn-feeding device of the better displacement-type of performance.
The present invention is achieved in that
Accompanying drawing 1
aIt is elongated positive yarn-feeding device structure chart continuously of the present invention.
Accompanying drawing 1
bIt is the elongated positive yarn-feeding device structure chart of interruption of the present invention.
Accompanying drawing 1
cIt is storage type fixed-length positive yarn-feeding device structure chart of the present invention.
Accompanying drawing 2
aIt is accompanying drawing 1
aThe A-A cutaway view.
Accompanying drawing 3
aIt is accompanying drawing 2
aB to view.
Accompanying drawing 2
bIt is accompanying drawing 1
bThe A-A cutaway view.
Accompanying drawing 3
bIt is accompanying drawing 2
bB to view.
Accompanying drawing 2
cIt is accompanying drawing 1
cThe A-A cutaway view.
Accompanying drawing 3
cIt is accompanying drawing 2
cB to view.
Accompanying drawing 4
a, accompanying drawing m4
aBe respectively to be used for accompanying drawing 1
aDefeated yarn rolling hitch composition in the device.
Accompanying drawing 4
b, accompanying drawing m4
bIt is respectively the defeated yarn rolling hitch composition that is used for accompanying drawing 1b device.
Accompanying drawing 4
c, accompanying drawing m4
cIt is respectively the defeated yarn rolling hitch composition that is used for accompanying drawing 1c device.
Accompanying drawing 5 is accompanying drawing m4
a, accompanying drawing m4
bThe d-d cutaway view.
Accompanying drawing 6 is accompanying drawing m4
cThe d-d cutaway view.
Accompanying drawing 7, accompanying drawing 8 are respectively the structure support plate figure in apparatus of the present invention.
Accompanying drawing 9 is accompanying drawings 1
a, accompanying drawing 1
b, accompanying drawing 1
cVertical view.
Accompanying drawing 10 is that apparatus of the present invention adopt the structure chart that adds when drawing the yarn device.
Accompanying drawing 11 is E-E cutaway views of accompanying drawing 10.
Accompanying drawing 1a, accompanying drawing 1b, accompanying drawing 1cIn: rolling bearing 14 is installed in the support plate 18, Board 18 is made by plastics or aluminum alloy materials and is fixed together by screw 17 and housing 22, Upper bracket 5 is fixed on the support plate 18 by screw 4. Defeated yarn wheel 24 is by plastics or aluminum alloy materials Make, defeated yarn wheel top is defeated yarn belt hub, and the bottom is defeated yarn hub, and the center is installed with one Individual rolling bearing 25. Upper center lever jack 12 is fixed on the housing 22 by screw 16. Housing 22 With the element that existing yarn-feeding device indispensability is installed in the upper bracket 5 namely: tension pulley 6, clearing sheet 7, Porcelain circle 8, guide bearing pin 11, appliance wiring plate 20, cover plate 26, broken yarn self-stop bar 29, shelves yarn Bar 31, pilot bulb 32, porcelain circle 34, little supporting plate 35, indicator-lamp cover 37, wiring contact pilotage 38, And screw 10,16,19,21,30,33,36,39 etc.
Accompanying drawing 1aIn: the power transmission shaft that belt hub 15 is made of plastics and makes with aluminum alloy materials One is made in 13 mold pressings, forms to move the yarn wheel. Move yarn dish 1aMade by ceramic material, with power transmission shaft 13 connect and by rolling bearing 14,25 and packing ring 23, with support plate 18 and defeated by screw thread d Yarn wheel 24 is installed together. Defeated yarn is taken turns on the defeated yarn hub of 24 bottoms and is being overlapped rubber ring 3a, move yarn dish 1aUpper end plate edge on be fixed wtih import and move yarn lever 27aMove yarn lever 2 with outleta The 28th, Be fixed on and move yarn dish 1aThe lower lever jack of bottom, Sa are through moving yarn lever 27aWith 2aAround rubber ring 3aOn the half-turn yarn. g1It is the wiring contact on the appliance wiring plate 20.
Accompanying drawing 1
bIn: move that yarn belt hub 15 is made of plastics and make one with power transmission shaft 13 mold pressings that aluminum alloy materials is made, form and move the yarn wheel.Move yarn dish 1
bMake by ceramic material and to be connected by screw thread d with power transmission shaft 13 and, supporting plate 18 and defeated yarn wheel 24 to be installed together by rolling bearing 14,25 and packing ring 23.Defeated yarn is taken turns the Lower Half of the defeated yarn hub of 24 bottoms and is being overlapped rubber ring 3
b, move yarn dish 1
bUpper end pitch edge Pb on fixing import and moving yarn lever 27
bMove yarn lever 2 with outlet
bThe 28th, be fixed on and move yarn dish 1
bThe following lever jack of bottom, Sb are through moving yarn lever 27
bWith 2
bAlong pitch edge Pb around structure cushion rubber 3
bOn the half-turn yarn.The 42nd, the output tension pulley.g
1It is the wiring contact on the appliance wiring plate 20.
Accompanying drawing 1
cIn: move that yarn belt hub 15 is made of plastics and make one with power transmission shaft 13 mold pressings that aluminum alloy materials is made, form and move the yarn wheel.Move yarn dish 1
cMake by ceramic material and to be connected by screw thread d with power transmission shaft 13 and, supporting plate 18 and defeated yarn wheel 24 to be installed together by rolling bearing 14,25 and packing ring 23.Defeated yarn is taken turns on the defeated yarn hub in 24 bottoms does not have rubber ring.Move yarn dish 1
cThe upper end be the dish edge Pc of an inclination, have an import to move yarn groove 27 on the following end plate edge
cMove yarn groove 2 with outlet
cThe 28th, be fixed on and move yarn dish 1
cThe following lever jack of bottom, Sc are to move yarn groove 27 through import
cMove yarn groove 2 with outlet
c, the multi-turn yarn on along pitch edge Pc around defeated yarn hub.g
1, g
2Be respectively the wiring contact on the appliance wiring plate 20, the 41st, last broken yarn self-stop bar, the 40th, grade Xiao.
Accompanying drawing 1
a, accompanying drawing 1
b, accompanying drawing 1
cIn: a is the guide bending groove in the following lever jack 28, and b and h are the apertures that is used to install screw thread d, and c is a taper hole, and f is the cavity that moves yarn dish top, and j is a thread guide eyelet.A
1, A
2Input and the output of representing yarn respectively, the guide fulcrum of last lever jack 12 and following lever jack 28 are taken turns at defeated yarn on 24 the centre of gyration line cn, input yarn A
1Enter thread guide eyelet j downwards through last center lever jack 12 again through guide porcelain circle 8, clearing sheet 7 and tension pulley 6, then yarn oppositely go up through defeated yarn wheel 24 downwards through lever jack 28 down to the output terminals A of yarn
2W
1And W
2Yarn wheel 24 and the gyratory directions that moves yarn belt hub 15 are failed in expression respectively.W
1And W
2Gyratory directions can be equidirectional, also can be opposite direction.
Accompanying drawing 2
a, accompanying drawing 2
b, accompanying drawing 2
c, accompanying drawing 3
a, accompanying drawing 3
b, accompanying drawing 3
cIn: a is the guide bending groove of following lever jack 28 lower ends, center, the 24th, defeated yarn wheel.Accompanying drawing 2
a, accompanying drawing 2
b, accompanying drawing 2
cIn: j is the guide centre bore on the defeated yarn wheel 24.A
1, A
2Input and the output of representing yarn respectively.Accompanying drawing 3
a, accompanying drawing 3
b, accompanying drawing 3
cIn, 25 are mounted in defeated yarn takes turns rolling bearing in 24 centre bores, and cn is a center line.
Accompanying drawing 2
a, accompanying drawing 3
aIn: import moves yarn lever 27
aMove yarn lever 2 with outlet
aBe fixed on and move yarn dish 1
aOn the last end plate edge Pa.Accompanying drawing 2
aIn: R is that yarn moves yarn lever 27 through import
aMove yarn lever 2 with outlet
aAround rubber ring 3
aOn cornerite, cornerite scope 120 degree is to 200 degree, best 180 degree.Fail yarn wheel 24 and move yarn dish 1
aRelative motion is not only skidded but also antiwind yarn on rubber ring 3a, produce the effect of elongated output yarn.Accompanying drawing 3
aIn: defeated yarn wheel 24 is made of plastics with rolling bearing 25 mold pressings makes one, 3
aBe to be enclosed within defeated yarn to take turns rubber ring on the defeated yarn hub in 24 bottoms.
Accompanying drawing 2
b, accompanying drawing 3
bIn: import moves yarn lever 27
bMove yarn lever 2 with outlet
bBe fixed on and move yarn dish 1
bOn the pitch edge Pb of upper end.Accompanying drawing 2
bIn: R is that yarn moves yarn lever 27 through import
bMove yarn lever 2 with outlet
bCornerite on the rubber ring 3b, cornerite scope 120 degree be to 200 degree, best 180 degree.Fail yarn wheel 24 and move yarn dish 1
bRelative motion makes yarn at rubber ring 3
bOn not only skid but also antiwind, produce elongated defeated yarn effect.Accompanying drawing 3
bIn: defeated yarn wheel 24 is made by aluminum alloy materials, and 43,44 is respectively the spring flange that rolling bearing 25 is installed, rubber ring 3
bBeing enclosed within defeated yarn takes turns on the Lower Half hub of the defeated yarn hub i in 24 bottoms.Outlet moves yarn lever 2
bWith the angle r of center line cn, scope 45 degree of angle r are to 60 degree, and k is that outlet moves yarn lever 2
bThe shelves yarn bending on top, the bending point is higher than rubber ring 3
bThe upper end, yarn Ad wraps in rubber ring 3 when defeated yarn
bOn, yarn slides to bending k disengaging rubber ring 3 when defeated yarn stops
b, produce and be interrupted defeated yarn effect.
Accompanying drawing 2
c, accompanying drawing 3
cIn: moving yarn dish 1
cThere is the import of two symmetries to move yarn groove 27 on the following end plate edge
cMove yarn groove 2 with outlet
c, the minimum and peak of upper end pitch edge Pc moves yarn groove 27 facing to import respectively
cMove yarn groove 2 with outlet
c Fail yarn wheel 24 and move yarn dish 1
cRelative motion makes through import and moves yarn groove 27
cMove yarn groove 2 with outlet
cYarn on defeated yarn hub is subjected to displacement, and improves the arrangement that stores yarn coil, reaches to store defeated yarn effect.Accompanying drawing 3
cIn: defeated yarn wheel 24 is made by aluminum alloy materials, and 43,44 is respectively the spring flange that rolling bearing 25 is installed.
Accompanying drawing 4
a, accompanying drawing 4
b, accompanying drawing 4
cIn: the 24th, defeated yarn wheel, the 25th, rolling bearing.Accompanying drawing 4
aIn: 2
aIt is rubber ring.Accompanying drawing 4
bIn: 2
bIt is rubber ring.Accompanying drawing 4
b, accompanying drawing 4
cIn: the 43, the 44th, spring flange.
Accompanying drawing m4
a, figure m4
b, accompanying drawing m4
cIn: 24
uBe the belt hub, 24
dBe lower cover, the 45th, little needle roller, the 25th, rolling bearing.Accompanying drawing m4
aIn: m2
aIt is rubber sleeve.Accompanying drawing m4
bIn: m2
bIt is rubber sleeve.
In accompanying drawing 5, the accompanying drawing 6: the 45th, the little needle roller of a plurality of circumference uniform distributions.In the accompanying drawing 5: overlapping rubber sleeve m2 on the little needle roller 45
aOr m2
b
In the accompanying drawing 7: supporting plate 18 is made of plastics and makes one with rolling bearing 14 mold pressings.
In the accompanying drawing 8: supporting plate 18 is made by aluminum alloy materials, and the 14th, rolling bearing, the 46, the 47th, spring flange.
In the accompanying drawing 9: the 6th, tension pulley, the 7th, the clearing sheet, the 8th, guide porcelain circle, the 12nd, last lever jack, the 15th, move the yarn wheel, the 18th, supporting plate, the 22nd, housing, the 29th, broken yarn self-stop bar.
In the accompanying drawing 10: bearing 55 is fixed on the housing 22 by screw 54, fixes among the hole y on the boss v insertion bearing 55 on the guide housing 48 and by screw 53.Yarn-guide tube 56 is inserted among the u of hole, and m is a yarn outlet hole, and n is a yarn guiding trough, and the 49, the 52nd, a pair of tension pulley, the 50th, spring, the 51st, guide screw, x are screws.A
1, A
2The yarn input and the output of expression yarn-feeding device, cn is a center line, W
1, W
2The expression synchronous pulley turns to.
In the accompanying drawing 11: A
1Be the input yarn ends, q is that the cavity in the guide housing 48 communicates with hole u and hole m, and Z is a dividing plate, the side opening that S communicates with cavity q.
Main points of the present invention are to have a defeated yarn wheel to move the relative yarn generation continuous dislocation that makes around failing on the yarn wheel that turns round of yarn dish work with one.
The advantage of apparatus of the present invention:
1. the SFC that the positive yarn-feeding device of elongated degree of the present invention is produced than former Sweden IRO company, the volume of the passive yarn-feeding device of the elongated degree of SFE type are little, and price is low more than 80%, and defeated yarn tension is more stable, is more convenient for installing and operation.
2. the MPF type storage type fixed-length positive yarn-feeding device that the positive yarn-feeding device of storage type measured length of the present invention is produced than German Memminger company lacks uses two rolling bearings, structure is also simple a lot, price can reduce by 20%, and defeated yarn tension is more stable, more convenient operation.
3. the form of widely used MPF type yarn-feeding device is identical on displacement-type yarn-feeding device of the present invention and the present knitting machine, and using method is close, and price is lower, and can make length-variable yarn feeding, and this is that MPF type yarn-feeding device is not accomplished.
Claims (12)
1. displacement-type yarn-feeding device that is used for knitting machine in textile industry, comprise a supporting plate, a defeated yarn wheel, one is moved the yarn wheel, one is moved the yarn dish, two rolling bearings, a packing ring, go up lever jack for one, a following lever jack and an additional yarn device and the housing of drawing, upper bracket, tension pulley, the broken yarn self-stop bar, the clearing sheet, yarn-guiding loop, indicator lamp etc., it is characterized in that: a said rolling bearing is installed in the said supporting plate, the top of said defeated yarn wheel is a belt hub, the bottom is a defeated yarn hub, defeated yarn hub is rubber hub or metal hub, there is a through hole at the center, a said rolling bearing is installed in the through hole, the said top of moving the yarn wheel is a belt hub, the bottom is a power transmission shaft, one section external screw thread is arranged at the power transmission shaft bottom, there is a through hole at the center, there is a taper hole in the said yarn disk center that moves, one section internal thread is arranged at taper hole top, a guide import and a guide outlet are arranged on the dish edge, said lever jack is down being fixed in the lower end, said two rolling bearings are installed on the power transmission shaft, said packing ring is every between two rolling bearings, power transmission shaft and move the yarn dish by being threaded and will failing yarn wheel, moving yarn wheel and supporting plate is installed together, saidly go up lever jack or additionally draw the yarn device and be fixed on the housing, said defeated yarn is taken turns and is moved yarn wheel coaxial revolution or reversed turning in the same way, supporting plate is fixed together by screw and housing and upper bracket, on housing and upper bracket tension pulley is installed, the broken yarn self-stop bar, the clearing sheet, the porcelain circle, indicator lamp etc.
2. press the defeated yarn method of the described yarn-feeding device of claim 1, it is characterized in that: the input of yarn through said go up lever jack or additional draw the yarn device enter said center transmission shaft through hole walk around again move the yarn dish oppositely on, through said guide import and the guide outlet that moves on the yarn dish dish edge, and on said defeated yarn hub, the said lever jack down of downward again process is to the yarn output, the outlet of guide import and guide makes the yarn on the said defeated yarn hub, when defeated yarn wheel with move that the yarn dish is done in the same way or during reversed turning, continuous dislocation takes place, input and output yarn are respectively through being installed in the tension pulley on housing and the upper bracket, broken yarn self-stop bar control tension force and broken yarn self-stop.
3. by claim 1,2 described apparatus and method, the yarn dish is taken turns and moved to said defeated yarn, it is characterized in that: defeated yarn wheel is made of plastics with said rolling bearing mold pressing makes one, overlapping a rubber ring on the whole defeated yarn hub in bottom, said to move guide import on the yarn dish dish edge and guide outlet be respectively to be fixed on to move that on the end plate edge moves the yarn lever on the yarn dish.Two move the yarn lever make in the position on the circumference through the cornerite of yarn on rubber ring that moving the yarn lever be 120 degree to 200 degree, best 180 degree, move yarn lever and the said lever jack down in exit are in last same orientation of garden week.
4. by claim 1,2 described apparatus and method, the yarn dish is taken turns and moved to said defeated yarn, it is characterized in that: defeated yarn wheel is made by aluminum alloy materials, said rolling bearing has passed through spring flange and has been installed in the through hole, the Lower Half of defeated yarn hub is being overlapped a rubber ring, it is said that to move guide import on the yarn dish dish edge and guide outlet be respectively to be fixed on of moving on the pitch edge of yarn dish upper end to move the yarn lever, two are moved that the yarn lever makes in the position of garden on week through the cornerite of yarn on rubber ring that moves the yarn lever is that 120 degree are to 200 degree, best 180 degree, move yarn lever and the said down lever jack in exit are in and garden week go up same orientation, the yarn lever is moved in said exit and defeated yarn wheel center line has a slanted angle, angular range 45 degree are to 60 degree, the bending of a shelves yarn is arranged at the lever top that tilts, the position of bending exceeds the upper end of rubber ring, and said import department moves the extreme lower position that the yarn lever is positioned at the pitch edge.
5. by claim 1,2 described apparatus and method, the yarn dish is taken turns and moved to said defeated yarn, it is characterized in that: defeated yarn wheel is made by aluminum alloy materials, said rolling bearing is installed in the through hole by spring flange, it is said that to move guide import on the yarn dish dish edge and guide outlet be respectively that of moving on the yarn dish lower disc edge moves the yarn groove, move the dish edge that yarn dish top is an inclination, said two positions of moving the yarn groove are respectively facing to the minimum and the highest orientation of pitch edge, twine the multi-turn storage coil through two yarns that move the yarn groove on defeated yarn hub, said outlet moves the yarn groove and said lever jack down is in same orientation.
6. by claim 1,2 described apparatus and method, the yarn dish is taken turns and moved to said defeated yarn, it is characterized in that: the little needle roller of fixing a plurality of garden Zhou Junbu on the said defeated yarn hub, overlapping a rubber sleeve on each little needle roller, rubber sleeve or be enclosed within on the whole little needle roller or be enclosed within the Lower Half of little needle roller, said move in yarn dish and the claim 3,4 to move the yarn dish identical.
7. by the described apparatus and method of claim 1 to 6, the yarn dish is taken turns and moved to the described yarn that moves, it is characterized in that: said belt hub is made of plastics, said power transmission shaft is made by aluminum alloy materials, belt hub and power transmission shaft mold pressing are made the one composition and are moved the yarn wheel, the power transmission shaft upper end is useful on two apertures that screw thread is installed, said moving is useful on two apertures that screw thread is installed in the yarn dish taper hole, move that the yarn dish is made by ceramic material and move the yarn lever and one is made in following lever jack mold pressing with said.
8. by claim 1,2 described apparatus and method, said lever jack and the following lever jack gone up is characterized in that: go up the guide fulcrum of lever jack and following lever jack, be on the said defeated yarn wheel revolution center line.
9. by claim 1,2 described apparatus and method, said supporting plate is characterized in that: supporting plate is made of plastics, and one is made in said rolling bearing and supporting plate mold pressing.
10. by claim 1,2 described apparatus and method, said supporting plate is characterized in that: supporting plate is made by aluminum alloy materials, and said rolling bearing is installed in the supporting plate by spring flange.
11. by claim 1,2 described apparatus and method, the said additional yarn device that draws, it is characterized in that: additional draw the yarn device and comprise a bearing, a guide housing, guide screw rod, a pair of tension pulley, a spring and a nut, a guide cavity is arranged on the said housing, the side of guide cavity communicates with a macropore, there is a dividing plate top of macropore, and a yarn guiding trough is arranged on the dividing plate, and said guide screw rod and tension pulley are installed in macropore and the cavity.
12. with similar yarn-feeding device and the defeated yarn method of the described apparatus and method of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01101451 CN1366104A (en) | 2001-01-14 | 2001-01-14 | Displacement-type yarn feeder and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01101451 CN1366104A (en) | 2001-01-14 | 2001-01-14 | Displacement-type yarn feeder and its method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1366104A true CN1366104A (en) | 2002-08-28 |
Family
ID=4652075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01101451 Pending CN1366104A (en) | 2001-01-14 | 2001-01-14 | Displacement-type yarn feeder and its method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1366104A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520482A (en) * | 2012-06-08 | 2015-04-15 | 美名格－艾罗有限公司 | Thread delivery device |
-
2001
- 2001-01-14 CN CN 01101451 patent/CN1366104A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104520482A (en) * | 2012-06-08 | 2015-04-15 | 美名格－艾罗有限公司 | Thread delivery device |
| CN104520482B (en) * | 2012-06-08 | 2017-02-15 | 美名格－艾罗有限公司 | Thread delivery device |
| CN106987997A (en) * | 2012-06-08 | 2017-07-28 | 美名格－艾罗有限公司 | Fournisseur |
| CN106987997B (en) * | 2012-06-08 | 2020-03-03 | 美名格－艾罗有限公司 | Yarn feeder |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |