CN1408908A - Unwinding device for continuous component of component yarn - Google Patents
Unwinding device for continuous component of component yarn Download PDFInfo
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- CN1408908A CN1408908A CN 02142736 CN02142736A CN1408908A CN 1408908 A CN1408908 A CN 1408908A CN 02142736 CN02142736 CN 02142736 CN 02142736 A CN02142736 A CN 02142736A CN 1408908 A CN1408908 A CN 1408908A
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- unwinding
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Abstract
本发明涉及在气流纺纱机上退绕组分纱线的连续组分(5)的一种装置，其用于生产包括挑选出纤维纺成的组分和连续组分(5)的组分纱线。该装置包括沿着该机器的操作单元布置的两个平行的退绕轴。第一退绕轴(1)是可转动的并且以转动的退绕轴(1)的速度和用于牵离纱线离开纺纱杯的牵离装置的牵离轴(402)的速度之间的可调速比与中央调节驱动器(4)配合，对每个操作单元来说，第一退绕轴(1)还包括可转动地安装在其上面的第一退绕罗拉(11)，该罗拉(11)通过离合器(12)适合与转轴(1)连接，同时对每个操作单元来说该第二退绕罗拉(21)安装在固定的第二退绕轴(2)上。
The present invention relates to a device for unwinding a continuous component (5) of a component yarn on an air spinning machine for the production of a component yarn comprising a selected fiber spun component and a continuous component (5) . The device comprises two parallel unwinding shafts arranged along the operating unit of the machine. The first unwinding shaft (1) is rotatable and at a speed between the speed of the rotating unwinding shaft (1) and the speed of the take-off shaft (402) of the take-off device for pulling off the yarn from the spinning rotor The adjustable speed ratio is coordinated with the central adjustment drive (4). For each operating unit, the first unwinding shaft (1) also includes a first unwinding roller (11) rotatably mounted on it. The roller (11) is adapted to be connected to the shaft (1) via a clutch (12), while for each operating unit the second unwinding roller (21) is mounted on a fixed second unwinding shaft (2).
Description
Technical field
Invention relates to a kind of device of the continuous stand of unwinding component yarn on open-end spinning frame, it is used to produce and comprises by picking out the component that fiber is spun into and the component yarn of continuous stand, this device comprises along two of this machine operation arrangements of cells parallel unwinding axles, perhaps comprises the rotation unwinding axle along this machine operation arrangements of cells.
Background technology
The production of the component yarn of the spinning component that comprises continuous stand and be spun into by the fiber of selecting is known.Characteristic according to the continuous stand of the component yarn of on open-end spinning frame, producing, component yarn can be divided into two classes, promptly a class is non-resilient or the component yarn of the extremely limited continuous stand of elasticity, and another kind of is rubber-like, is made of the component yarn of continuous stand elastomer.Each open end spinning apparatus for these two types of yarns on the principle all is identical.But difference is the unwinding device of continuous stand, particularly because the difformity of the bobbin of coiling continuous stand, also because continuous stand different tension force when being fed into rotor, promptly because the speed of continuous stand unwinding and the component yarn that leaves rotor lead the speed ratio between speed, because the speed that non-elastomeric component is fed to rotor is approximately equal to leading from speed of component yarn, therefore it is enough from the unwinding of the bobbin that fixedly installs, and being usually less than component yarn, the speed of elastic component feed leads half from speed, therefore must take measures to continuous stand, the countershaft bobbin is just changeed, perhaps add auxiliary feeding device.
On open-end spinning frame, produce and comprise non-resilient continuous stand and to be equipped with the device that is used to install the countershaft bobbin, the continuous stand of on this bobbin, reeling and for example forming by linear material by the well-known device of picking out the spinning component that component constitutes.Be used to install the device permission continuous stand of countershaft bobbin from the unwinding of countershaft bobbin.
In the device of generally knowing, the countershaft bobbin that has a non-resilient continuous stand is installed on the axle of operating unit of this machine, as disclosed among DE 3831749 A1 or the CZ 237078, making the continuous stand unwinding by being free to slide of reel, wherein the feeding device of continuous stand by continuous stand leads from going out from the countershaft bobbin, and this feeding device is used for continuous stand is fed into rotor.
US 4,381, and 638 disclose the countershaft bobbin is installed on the hinge of rotation and allow the countershaft bobbin freely to rotate when the continuous stand unwinding, and this is owing to lead the result that the power that produces from continuous stand causes from countershaft bobbin surface.
In JP 58-4666 U, the circumference of countershaft bobbin is positioned on two support rollers that freely rotate, the distance that the roller circumference is set between mutually is less than the pipe diameter of countershaft bobbin.
Concerning the elasticity continuous stand that is wound on the cylindrical shape bobbin, unwinding device on ring throstle is known, and this device is installed in the cylindrical shape bobbin of coiling elasticity continuous stand on a pair of and the axis that driver cooperates and itself and the uninterrupted axle that rotates is disengaged and the countershaft bobbin is remained on the interruption that the position that disengages like this obtains unwinding by lifting the countershaft bobbin.
The present invention is intended to propose the device of the continuous stand of unwinding component yarn on open-end spinning frame, it can eliminate the shortcoming of background technology, can guarantee that the constant withdrawal speed of continuous stand is to set accurately leading from speed of the component yarn that is spun into of coupling of adjustable speed ratio, so that when needed, particularly when broken yarn, can stop this continuous stand, can also on same open-end spinning frame, produce the component yarn that has elasticity and stiff two kinds of continuous stands by allowing from cylindrical shape countershaft bobbin with from difform bobbin such as cop or conical pipe unwinding continuous stand.
Summary of the invention
By having reached purpose of the present invention according to apparatus of the present invention, the principle of this device comprises: the first unwinding axle is rotating and with the speed of the unwinding axle that rotates with lead the adjustable speed that leads between axle speed that leads from device that leaves rotor from yarn and cooperate than regulating driver with central authorities, and to each operating unit it comprises mounted thereto first unwinding roller, this roller is fit to be connected with turning cylinder by clutch, and each operating unit is installed in second unwinding roller on the second unwinding axle.
Another unwinding axle is that fix or rotating, in the form of rotating, it or regulate driver with central authorities or rotate the unwinding axle and cooperate with first.This second unwinding roller can be connected with the second unwinding axle that rotates by clutch.
Also can reach purpose of the present invention by another kind of embodiment according to device of the present invention, the principle of this embodiment comprises: this rotating unwinding axle cooperates than regulating driver with central authorities with the speed of unwinding axle and the adjustable speed that leads between the speed of axle that leads from the mechanism of yarn from rotor, comprise that also it has first unwinding roller that is installed in rotation on above it to each operating unit, this roller is fit to be connected with this axle by clutch, and each operating unit is also equipped rotatable second unwinding roller that be arranged in parallel with rotatable shaft that install.
The continuous stand of the component yarn that this device permission is spun on open-end spinning frame is by the continuous unwinding of required speed, and elasticity continuous stand this cylindrical shape bobbin when unwinding is operated that particularly is wound on the cylindrical shape bobbin places on the unwinding roller by its circumference.
In above-mentioned another kind of form, this second unwinding roller preferably is installed on the axle, and this axle is arranged on the support that is fixed on the machine.
In order to increase the reliability of continuous stand unwinding operation, preferably this second unwinding roller is cooperated with the driver of first unwinding roller and second unwinding roller is preferably cooperated with first unwinding roller by belt.Like this, guarantee that the velocity of rotation of each is all identical in two unwinding rollers.
This first unwinding roller from/be connected with driver with breaking away to be connected and provide by clutch, this clutch and first unwinding roller are arranged on this rotating unwinding axle coaxially.
In order to increase by countershaft bobbin applied pressure, particularly be wound on quality on the bobbin when very little in the final stage of continuous stand unwinding operation, sliding hammer is inserted in the cavity of this countershaft bobbin, and this moment, bobbin placed on the unwinding roller of operating unit by its circumference.
For unwinding continuous stand from the bobbin of non-cylindrical, unwinding roller is to being associated with the axle of the countershaft that is used to install the countershaft bobbin on each operating unit, be wound with the continuous stand of component yarn on this bobbin, and continuous stand is directed at least a portion surface of at least one unwinding roller from the countershaft bobbin.This device be intended to be used in particular for the stiff continuous stand of unwinding and make according to device of the present invention more complete so that make open-end spinning frame can produce or have the component yarn elasticity continuous stand or that have non-resilient continuous stand.The another kind of pressing mechanism of continuous stand pressurization on sliding hammer can being installed arbitrarily between the unwinding roller or being intended to the unwinding roller surface.
In order to make the component yarn of the production of open-end spinning function or elasticity continuous stand or non-resilient continuous stand, the central authorities of this rotating unwinding axle regulate driver, equipment one has in the speed of the unwinding axle that rotates and is used for leading from rotor the frequency changer of the adjustable speed ratio of two scopes between the speed of the unwinding axle of the mechanism of yarn, and this adjustable ratio coverage is preferably 0.25 to 0.4 and 0.9 to 1.1.
In order to change between these two scopes, these central authorities regulate the gear-box that the driver assembling has two fixed drive ratio.
Description of drawings
Enforcement according to the embodiment of the device of the continuous stand of unwinding component yarn of the present invention represents schematically that in the accompanying drawings accompanying drawing is depicted as:
Fig. 1 is the axonometric drawing of a part that has the device of driven second unwinding roller,
Fig. 2 is the axonometric drawing that has the device part of second unwinding roller free to rotate,
Fig. 3 is the view of a part that has the device of driver,
Fig. 4 is the profile with unwinding roller of the sliding hammer of band unwinding cylindrical shape countershaft bobbin,
Fig. 5 is the profile of unwinding roller of the cylindrical shape countershaft bobbin of band unwinding,
Fig. 6 is a profile of being with the unwinding roller of the relevant countershaft axle that is used for unwinding non-cylindrical bobbin,
Fig. 7 be the band be used for unwinding non-cylindrical bobbin relevant countershaft axle with band be used for component yarn continuous stand pressing mechanism unwinding roller profile and
Fig. 8 is opposite mutually unwinding roller that rotates and the profile that has the relevant countershaft axle that is used for unwinding non-cylindrical bobbin.
The specific embodiment
In the example of Fig. 1,2 and 3 embodiment that represent, the device of producing the component yarn of the component comprise continuous stand and to be spun into by the fiber of picking out on open-end spinning frame comprises, two unwinding axles, wherein the first unwinding axle 1 be rotating and the second unwinding axle 2 the expression embodiment in fix.Unwinding axle 1,2 is arranged on top or the front that is used as the operating unit of producing component yarn along machine parallel to each other.In the example of the embodiment that represents, unwinding axle 1,2 is positioned on the flat support 3, and this support is fixed on the frame with well-known unshowned method.Can change the number of flat support 3 according to requirement to unwinding axle 1,2 rigidity.In the embodiment of expression, per 4 operating unit unwinding axles 1,2 are arranged in the flat support 3.
Rotating unwinding axle 1 is arranged in the flat support 3 rotationally, and its end is connected with central authorities that rotate the unwinding axle and regulates driver 4, be used to set such speed ratio, the i.e. i.e. speed of first unwinding roller 11 of the withdrawal speed of the continuous stand 5 of component yarn on the one hand, and promptly pass through from speed from leading of the spun component yarn of rotor on the other hand along machine length and be loaded with this mechanism and lead and be used for leading ratio between the speed of the unwinding axle of component yarn from rotor from roller.
Among the embodiment that represents in Fig. 3, the central authorities of this unwinding device regulate driver 4 and comprise motor 41, and it is connected with rotating unwinding axle 1 by the gear-box 42 that two fixed drive ratio are arranged.Motor 41 is associated with frequency converter 43, and the input of this converter is connected with device 400 output by control line 431, install 400 be used to set continuous stand 5 withdrawal speed and from rotor lead from yarn lead velocity ratio between speed.Device 400 input links to each other with the signal output of leading from the driver 40 of axle 402 by holding wire 401, and usefulness is led from axle 402 provides component yarn to leave the signal from speed of leading of rotor.Can be conversion between 1 to 1 and 3 to 1 in velocity ratio with gear-box 42.If desired, this speed ratio can be different.
Because the device according to the continuous stand 5 of unwinding component yarn of the present invention is intended to selectively unwinding elasticity or stiff continuous stand 5, difference between them is that they each is fed into rotor or required tension force difference during from the unwinding of countershaft bobbin, this velocity ratio of leading from speed that just requires the relative component yarn of withdrawal speed of continuous stand 5 to leave rotor has suitable difference: the speed that promptly stiff continuous stand 5 is fed in the rotor is approximately equal to leading from speed of component yarn, so velocity ratio should be between 0.9 to 1.1, and being usually less than component yarn, the feeding speed of elasticity continuous stand 5 leads half, so velocity ratio should be set between 0.25 to 0.4 from speed.
Therefore, the withdrawal speed of continuous stand 5 and leave rotor component yarn lead from the velocity ratio between the speed adjustable by frequency changer 43 between 0.25 to 1.1.Owing to cover big adjustable range, the solution of representing in the example of the embodiment of Fig. 3 is more favourable, and wherein frequency changer 43 has two scopes of leading the speed ratio between speed of setting the withdrawal speed of continuous stand 5 and leaving the rotor component yarn.Or rather, be with 0.25 to 0.4 on the one hand, be used for the elasticity continuous stand 5 of unwinding component yarn, and be on the other hand 0.9 to 1.1, be used for the stiff continuous stand 5 of unwinding component yarn.According to the gearratio of the type conversion gear-box 42 of the continuous stand 5 of wanting unwinding, then finish the withdrawal speed of setting continuous stand 5 and leave speed ratio between the rotor component yarn speed by frequency changer 43.In another unshowned embodiment, be that electronics is finished in the speed of rotating unwinding axle 1 and the conversion of leading the ratio coverage between the speed of axle, promptly finish by the control degree of frequency changer 43.
The rotating unwinding axle 1 of each operating unit have the first rotating unwinding roller 11 and with the unwinding roller 11 coaxial clutches 12 that are installed on the unwinding axle 1, this clutch is used to set up and cancels connection between first unwinding roller 11 and the rotating unwinding axle 1, and wherein this unwinding axle 1 rotates during machine run incessantly.The controlling organization of clutch 12 is connected with unshowned control module, and this control module can be a machine, or the control module of the operating unit of a machine part.
Fixing unwinding axle 2 be securely held in flat support 3 and be installed in rotation on each operating unit on second unwinding roller 21 be associated.The top of the operating surface of first unwinding roller 11 and second unwinding roller 21 is provided with the circumference of the cylindrical shape countershaft bobbin 6 of the continuous stand 5 that is wound with component yarn.Second unwinding roller 21 be freely rotate and rotate with the speed identical with first unwinding roller 11, this is that moment passes to this second unwinding roller from first unwinding roller 11 by countershaft bobbin 6 because as shown in Figure 5.In order to increase, will to slide hammer 7 at the embodiment shown in Fig. 4 and be inserted in the spool 61 of countershaft bobbin 6 by 6 pairs of unwinding rollers of countershaft bobbin, 11,21 applied pressures.
A unshowned embodiment does not pass fixing unwinding axle 2 along the length of entire machine, second unwinding roller 21 and the rotating unwinding axle 1 of each operating unit are placed on the unshowned unwinding axle abreast, and this axle is arranged to be fixed on the support on the machine.
In another unshowned embodiment, this second unwinding axle is rotating and each operating unit has second unwinding roller 21 that is installed in rotation on it.In order to guarantee the driving of second unwinding roller 21, this rotating second unwinding roller cooperates with the central driver 4 of regulating with the speed of the first unwinding axle 1 of rotation and the adjustable speed ratio that leads between the speed of the unwinding axle 402 that installs that makes yarn leave rotor, and rotating second unwinding roller of each operating unit can be connected with driver by clutch.Perhaps can also be, this rotating second unwinding axle is connected with the rotating first unwinding axle 1, and second unwinding roller of each operating unit connects the rotating second unwinding axle by clutch, and be connected the rotating first unwinding axle 1 with first unwinding roller 11 similar.
The embodiment of expression in Fig. 1,5,6,8 is connected with first unwinding roller 11 by second unwinding roller 21 from each operating unit of belt of the driver carry-over moment of rotating unwinding axle 1.Also can second unwinding roller 21 be connected with first unwinding roller 11 by other mechanisms such as chain, gear etc.
The above embodiments are suitable for the continuous stand 5 that unwinding is wound on the component yarn on the cylindrical shape countershaft bobbin 6, i.e. the elasticity continuous stand 5 of component yarn particularly.
Be wound on the continuous stand 5 of the component yarn on the non-cylindrical bobbin for unwinding, promptly normally non-resilient or be limited ground rubber-like continuous stand, as as shown in Fig. 6 to 8, finish said apparatus by the countershaft axle 8 that is installed on the countershaft support 81, this support makes each operating unit be attached to fixing unwinding axle 2.Countershaft bobbin 6 is arranged on the countershaft axle 8, and the continuous stand 5 of there drawing from it is around at least one surface of these unwinding roller 11,21 centerings.
In order to improve surperficial applied pressure by 5 pairs of unwinding rollers of continuous stand 11,21 of component yarn, the arrangement that is illustrated among Fig. 7 is favourable, wherein continuous stand 5 passes through around the surface of two unwinding rollers 11,21, pressurizes as the sliding rolling mechanism 9 of hammering weight 7 into shape by for example inserting on them.Can also increase its pressure by the encirclement that increases by 5 pairs of unwinding roller 11,21 surfaces of continuous stand, for example, by changing the encirclement of direction that second unwinding roller 21 rotates and the change continuous stand by as shown in Figure 8 to unwinding roller 11,21.
Claims (16)
1. the device of the continuous stand (5) of a unwinding component yarn on open-end spinning frame, it is used to produce and comprises by picking out the component that fiber is spun into and the component yarn of continuous stand (5), this device comprises along two of this machine operation arrangements of cells parallel unwinding axles (1,2), it is characterized in that: the first unwinding axle (1) is rotating and with the speed of the unwinding axle (1) that rotates be used to lead the adjustable speed ratio that leads between the speed of axle (402) that leads from device that leaves rotor from yarn and cooperate with central adjusting drivers (4), and this device of each operating unit is comprised first unwinding roller (11) that is installed in rotation on it, this roller (11) is fit to be connected with turning cylinder (1) by clutch (12), and for each operating unit, second unwinding roller (21) is installed on the second unwinding axle (2).
2. device as claimed in claim 1 is characterized in that: this second unwinding axle (2) is fixed.
3. device as claimed in claim 1, it is characterized in that: the second unwinding axle (2) is rotating and cooperates than regulating drivers (4) with central authorities with the adjustable speed that leads in the speed of unwinding axle (1) with from rotor between the speed of the mechanism of yarn, and second unwinding roller (21) of each operating unit can be connected with the second unwinding axle by clutch.
4. device as claimed in claim 1 is characterized in that: the second unwinding axle (2) is rotating and cooperates with rotating unwinding axle (1), and second unwinding roller (21) of each operating unit can be connected with the second unwinding axle by clutch.
5. the device of the continuous stand (5) of a unwinding component yarn on open-end spinning frame, it is used to produce and comprises the component that is spun into by the fiber of picking out and the component yarn of continuous stand (5), this device comprises the rotating unwinding axle along this machine operation arrangements of cells, it is characterized in that: to lead the adjustable speed ratio between the speed of the mechanism of yarn in the speed of unwinding axle (1) with from rotor, this rotating unwinding axle (1) is regulated driver (4) with central authorities and is cooperated, and this unwinding axle (1) has each operating unit one first unwinding roller (11), this first unwinding roller can be connected with the unwinding axle (1) that rotates by clutch (12), and second unwinding roller of arranging on each operating unit (21) is parallel with the unwinding axle (1) that rotates.
6. device as claimed in claim 5 is characterized in that: second unwinding roller (21) is installed in rotation on the unwinding axle, and this axle is successively set on the support that is fixed on the machine.
7. as each described device in the claim 1,2,5 or 6, it is characterized in that: second unwinding roller (21) cooperates with the first unwinding axle (1) separably.
8. device as claimed in claim 7 is characterized in that: second unwinding roller (21) cooperates with first unwinding roller (11).
9. device as claimed in claim 8 is characterized in that: second unwinding roller (21) cooperates with first unwinding roller (11) by belt (23).
10. as each described device in the claim 1 to 9, it is characterized in that: clutch (12) is arranged on the rotating unwinding axle (1) coaxially with first unwinding roller (11).
11. as each described device in the claim 1 to 10, it is characterized in that: the countershaft bobbin (6) that the continuous stand (5) of coiling (supply) component yarn is provided, have sliding hammer (7) in its spool (61), its circumference places on the unwinding roller (11,21).
12. as each described device in the claim 1 to 10, it is characterized in that: this unwinding roller (11,12) to being associated with countershaft axle (8) at each operating unit, this countershaft axle is used for the countershaft bobbin (6) of the continuous stand (5) of admittance coiling (supply) component yarn, and part surface at least from countershaft bobbin (6) guiding continuous stand (5) around at least one unwinding roller (11,21).
13. device as claimed in claim 12 is characterized in that: being used for continuous stand (5) is pressed onto the lip-deep rolling element of unwinding roller (11,12) (9,7) is freely to be arranged between the unwinding roller (11,21).
14. as each described device in the claim 1 to 13, it is characterized in that: the central authorities of the unwinding axle (1) of rotation regulate drivers (4) and are equipped with frequency changer (43), and this frequency changer (43) has adjustable speed ratio and in the speed of the unwinding axle (1) that rotates be used to lead from yarn and leave disembark two adjustable ranges between the speed of axle (402) of leading of structure of leading of rotor.
15. device as claimed in claim 14 is characterized in that: in the speed of the unwinding axle (1) that rotates with lead that to leave disembark this adjustable range of leading between the speed of axle (402) of structure of leading of rotor from yarn be 0.25 to 0.4 and 0.9 to 1.1.
16. device as claimed in claim 15, it is characterized in that: central authorities regulate the gear-box (42) that drivers (4) are equipped with two fixed drive ratio, switch to be used at the unwinding axle (1) that rotates and to make yarn leave leading of rotor the leading between the velocity interval of axle (402) of structure of disembarking.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CZPV20013383 | 2001-09-20 | ||
| CZ20013383A CZ299545B6 (en) | 2001-09-20 | 2001-09-20 | Device for unwinding continuous component of component yarn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1408908A true CN1408908A (en) | 2003-04-09 |
Family
ID=5473559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02142736 Pending CN1408908A (en) | 2001-09-20 | 2002-09-20 | Unwinding device for continuous component of component yarn |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN1408908A (en) |
| CZ (1) | CZ299545B6 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101248A (en) * | 2019-11-15 | 2020-05-05 | 乐昌市恒发纺织企业有限公司 | Automatic wiring method in yarn weaving process |
| CN111996640A (en) * | 2020-08-25 | 2020-11-27 | 苏州基列德智能制造有限公司 | Free-end wrapping spinning device and spinning process thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ300483B6 (en) * | 2003-09-04 | 2009-05-27 | Rieter Cz A.S. | Device for unwinding linear textile material when producing component yarn |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0026352B1 (en) * | 1979-09-28 | 1984-06-20 | Maschinenfabrik Rieter Ag | Arrangement with a bobbin support |
| DE3831749A1 (en) * | 1988-09-19 | 1990-03-29 | Layard Enterprises Co | Open-end rotor-spinning machine and process for the production of cladded-core yarn |
| JP2001288627A (en) * | 2000-04-03 | 2001-10-19 | Ueda Seni Kagaku Shinkokai | Open end/rotor spun/hybrid yarn and method for producing the same |
-
2001
- 2001-09-20 CZ CZ20013383A patent/CZ299545B6/en not_active IP Right Cessation
-
2002
- 2002-09-20 CN CN 02142736 patent/CN1408908A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111101248A (en) * | 2019-11-15 | 2020-05-05 | 乐昌市恒发纺织企业有限公司 | Automatic wiring method in yarn weaving process |
| CN111996640A (en) * | 2020-08-25 | 2020-11-27 | 苏州基列德智能制造有限公司 | Free-end wrapping spinning device and spinning process thereof |
| CN111996640B (en) * | 2020-08-25 | 2022-03-29 | 苏州基列德智能制造有限公司 | Free-end wrapping spinning device and spinning process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CZ299545B6 (en) | 2008-08-27 |
| CZ20013383A3 (en) | 2003-05-14 |
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