CN102787412B - Singe-side two-groove intermittent overfeeding composite spinning device and process - Google Patents
Singe-side two-groove intermittent overfeeding composite spinning device and process Download PDFInfo
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- CN102787412B CN102787412B CN201210254399.7A CN201210254399A CN102787412B CN 102787412 B CN102787412 B CN 102787412B CN 201210254399 A CN201210254399 A CN 201210254399A CN 102787412 B CN102787412 B CN 102787412B
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Abstract
The invention relates to a singe-side two-groove intermittent overfeeding composite spinning device, a process and application. The device mainly comprises a bridging roller, a speed regulation roller, a tension bowl, holding rolls, an electromagnetic switch, a triggering rod, a swinging yarn guide hook and a front upper roller, wherein the front upper roller is provided with two grooves. The composite spinning process is characterized in that long yarn beams or yarns go around and pass through the holding roll pair through the tension bowl to realize the overfeeding, then, the left and right random or periodic swinging positioning is carried out at two groove opening regions and one vice jaw region through the swinging yarn guide hook, and the long yarn beams or the yarns are fed into the vice jaw of a front roller, and are then gathered with short fiber whisker strips under the twisting effect to form intermittent overfeeding wrapping composite yarns after going out of the vice jaw of the front roller. The method is unique and is easy to realize, the corresponding device is simple and compact and is convenient to install, and the intermittent overfeeding conversion wrapping composite spinning of a ring spinning frame can be realized.
Description
Technical field
The present invention relates to two grooves in a kind of ring spinning field batch (-type) overfeeding looping composite spinning device and adopt the composite spinning technique of this device.
Background technology
Wrap yarn fabric has good appearance style, feel and comfortableness, and therefore this kind fabric is comparatively popular on market.Because the pattern effect of wrapped yarn depends on the overfeeding of endless tow or yarn, traditional wrapped yarn is all underfeed, be that endless tow is tensile force, therefore spin the key technology of this class enveloped composite yarn and be the overfeeding method and apparatus of endless tow or yarn on traditional ring spinner.
Have the correlative study of enveloped composite yarn both at home and abroad, its common adopted method is that filament yarn is introduced after middle roller or front roller after by lever jack, entering before front roller with staple fibre yarn and closing, after twisting, forms composite yarn.As model is gathered around the wraping spinning technology (number of patent application: introduced 200910035434.4) from front roller nip rear and fed two threads that intelligent patent is applicable to the special high grade yarn of spinning, be arranged in parallel within the both sides of drawing-off yarn, therewith feed front roller nip, be twisted wrapped yarn through adding, this composite spinning that is underfeed.The and for example patent production method of short staple enveloped composite yarn of Zhao Huan minister and device (number of patent application: 200510044026.7) introduced and had the staple fibre yarn of two kinds of raw materials after the roller draft drawing-down of draw zone with determining deviation roller nip output in the past, a twisting becomes heart yarn, another root is free-fiber state on transfer roller surface, through the effect of friction layer, go out with heart yarn to produce looping at the groove of looping roller, forming wrapped yarn, is also the composite spinning of underfeed formula.Also just like the patent short fiber wrapped composite spinning apparatus of Zhao Huanchen (number of patent application: 200520085218.8) install a set of looping device additional at ring throstle yarn, comprise and shift roller, looping roller and chain extension bar, spin wrapped yarn.Although simple, the processing ease of some mechanism in these devices, the tension force while feeding due to filament yarn is higher, cannot realize overfeeding.
Summary of the invention
An object of the present invention is to provide a kind of can be in the one-sided two groove batch (-type) overfeeding composite spinning devices of ring spinning, can solve length/short diaxon is the composite spinning of the change looping effect of enveloped composite yarn, and can make produce in endless tow tension stability and provide to staple fibre yarn intermittence looping pattern effect, thereby obtain enveloped composite yarn particular appearance style and improve its quality.Another object of the present invention is to provide a kind of composite spinning technique that adopts said apparatus.
In order to achieve the above object, principle of the present invention is to utilize the front roller motive power on traditional ring throstle to drive through bridge joint roller and speed governing roller, the linear velocity that reaches nip roiler is greater than the linear velocity of front roller, endless tow or yarn are swung and introduce in the Liang Ge notch district of front upper roller and a jaw district through swinging twizzle simultaneously, realize overfeeding and wait the conversion of feeding, and forming step overfeeding looping composite spinning.
A concrete technical scheme of the present invention has been to provide a kind of one-sided two groove batch (-type) overfeeding composite spinning devices, it is characterized in that: comprise bridge joint roller, bridge joint roller contacts with speed governing roller and front upper roller respectively, the power of front upper roller passes to speed governing roller by bridge joint roller, drive nip roiler pair by speed governing roller, on front upper roller, have two notches, thereby form the first notch district, the second notch district and the jaw district between the first notch district and the second notch district, endless tow or yarn are after tension pulley, by nip roiler to by clamp and rub drive overfeeding move ahead, endless tow or yarn go out nip roiler to after swing twizzle through moving left and right feed off and on the first notch district, in jaw district and the second notch district one, endless tow or yarn go out front roller nip and the enveloped composite yarn that converges twisting formation batch (-type) overfeeding with the staple fibre yarn of walking out of front roller nip.
Preferably, described the first notch district is near the center line of described front upper roller; Described the second notch district is consistent with the form in described the first notch district, and the relative center line away from described front upper roller; Described jaw district is the part of the face of cylinder of front upper roller between described the first notch district and described the second notch district own.
Preferably, change by the complementation of described bridge joint roller and described speed governing roller diameter, to regulate different transmission rotating ratios.
Preferably, described speed governing roller is coaxially connected with the lower roll of described nip roiler, and the diameter of speed governing roller is less than the diameter of described nip roiler lower roll, to ensure that the linear resonance surface velocity of described nip roiler is greater than described front upper roller linear resonance surface velocity.
Preferably, described swing twizzle is fixed on frizzen, frizzen connects electromagnetic switch, electromagnetic switch can trigger that forward is opened at random or periodically or negative sense is opened or closed and controls frizzen left, center, right and move, and swings one that twizzle replaces at random or periodically in described the first notch district, described jaw district and described the second notch district thereby realize; In the time that electromagnetic switch is closed, described endless tow or described yarn, in described jaw district, are equivalent feeding; When electromagnetic switch forward is opened or when negative sense opens, described endless tow or described yarn in described the first notch district or described the second notch district, are overfeeding.
Another technical scheme of the present invention has been to provide a kind of composite spinning technique that adopts above-mentioned one-sided two groove batch (-type) overfeeding composite spinning devices, it is characterized in that:
The first step, endless tow or yarn are through tension pulley, and the right top roll of first pile warp nip roiler, the more right lower roll of pile warp nip roiler, to obtain stable tension force and to export from the right lower roll downside overfeeding of nip roiler;
The endless tow of second step, overfeeding output or yarn feed in the first notch district, jaw district and the second notch district of front upper roller off and on through swinging twizzle; In the time that endless tow or yarn are positioned at the first notch district or the second notch district, do not gripped by front roller nip, form overfeeding; In the time that endless tow or yarn are positioned at jaw district, gripped by front roller nip, form to wait and feed;
Then, endless tow or yarn through the first notch district or the second notch district measure front roller nip with different angles and different overfeeding, or normally go out front roller nip through endless tow or the yarn in jaw district with equivalent, with the enveloped composite yarn that converges twisting formation batch (-type) overfeeding with the staple fibre yarn of walking out of front roller nip, the first notch district, jaw district is different with the endless tow of the second notch district output or the convergence angle of yarn, also different to the looping angle of staple fibre yarn, thereby form overfeeding and wait the conversion of feeding, make endless tow or yarn implement looping with the looping angle and the looping amount that intermittently change to staple fibre yarn.
Preferably, described overfeed ratio refers to the ratio of the right linear velocity of described nip roiler and the linear resonance surface velocity of described front upper roller, and its value is greater than 1.0 and be less than or equal to 2.5.
Preferably, in meeting described endless tow or described yarn overfeeding, make described endless tow or described yarn add around 1-3 and enclose to increase gripping effect and tension stability on the right top roll of described nip roiler.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned one-sided two groove batch (-type) overfeeding composite spinning devices, it is characterized in that: for staple fibre yarn being made the composite spinning of batch (-type) overfeeding looping on ring throstle.
Another technical scheme of the present invention has been to provide a kind of application of above-mentioned composite spinning technique, it is characterized in that: for staple fibre yarn being made the composite spinning of batch (-type) overfeeding looping on ring throstle.
The present invention is that endless tow or yarn overfeeding are exported in the notch place of front roller by utilizing the rotary action of front roller to drive overfeeding mechanism to introduce outer shaft, and with together with the staple fibre yarn of front roller nip output, converge the overfeeding enveloped composite yarn that becomes two components adding twisted, really having realized outer shaft is the composite spinning that endless tow or yarn can intermittently change overfeed ratio and the looping effect to staple fibre, not only can facilitate the production of enveloped composite yarn, and convenient installation regulates.
Feature of the present invention exists: 1. the present invention passes through roller group simple, light and handy, that effectively contact transmission and speed change, just realizes the overfeeding of long filament or yarn; 2. can change easily the clamping of detour circuit and length and two rollers, make the tension force of endless tow or yarn and overfeed ratio can be effectively, stably control; 3. due to introduced at front upper roller fluting can overfeeding Liang Ge notch district and a jaw district, can realize effectively easily the transposition in endless tow or yarn Ge district, and realize special looping style random or that periodically intermittently overfeeding and looping angle change; 4. the output angle of the degree of tightness of looping, pitch and endless tow or yarn, converges angle, because of the realization of overfeeding and the difference of three zone position, can adjust easily and change, to realize effect and the quality of overall overfeeding looping; 5. this looping compound spinning method practicability and effectiveness, without the former fine spining machine roller of dismounting, produces easy to adjust.
Brief description of the drawings
Fig. 1 is the structural representation of one-sided two groove batch (-type) overfeeding composite spinning devices;
Fig. 2 is the structure side view of one-sided two groove batch (-type) overfeeding composite spinning devices;
Fig. 3 is the yarn feeding structural representation of the front upper roller of one-sided fluting.
In figure: 1-bridge joint roller; 2-speed governing roller; 3-nip roiler; 4-tension pulley; 5-has the front upper roller of two grooves; 6-electromagnetic switch; 7-frizzen; 8-swings twizzle; 9-staple fibre yarn; 10-endless tow or yarn; 11-batch (-type) enveloped composite yarn; 12-front roller nip; Bottom roll before 13-; 14-middle roller; 15-rear roller.
Detailed description of the invention
For the present invention is become apparent, hereby with preferred embodiment, and coordinate accompanying drawing to be described in detail below.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Following embodiment tool adopts the one-sided two groove batch (-type) overfeeding composite spinning devices of one provided by the invention, comprise bridge joint roller 1, bridge joint roller 1 contacts with speed governing roller 2 and front upper roller 5 respectively, the power of front upper roller 5 passes to speed governing roller 2 by bridge joint roller 1, complementation by bridge joint roller 1 and speed governing roller 2 diameters changes, to regulate different transmission rotating ratios.Speed governing roller 2 is coaxially connected to 3 lower roll with nip roiler, the rotation of bridge joint roller 1 can be transmitted to nip roiler to 3, and diameter is less than the diameter of nip roiler to 3 lower rolls, to ensure that nip roiler is greater than front upper roller 5 linear resonance surface velocities to 3 linear resonance surface velocity.On front upper roller 5, have two notches, thereby form the first notch district I, the second notch district III and the jaw district II between the first notch district I and the second notch district III.The bottom of the first notch district I and the second notch district III is circular arc, and top is slope, and the first notch district I is near the center line of front upper roller 5; The second notch district III is consistent with the form of the first notch district I, and the relative center line away from front upper roller 5; Jaw district II is the part of the face of cylinder of front upper roller 5 between the first notch district I and the second notch district III own.Endless tow or yarn 10 are after tension pulley 4, drive overfeeding to move ahead to 3 by clamping and rubbing by nip roiler, endless tow or yarn 10 go out nip roiler the swing twizzle 8 through moving left and right after 3 are fed in the first notch district I, jaw district II and the second notch district III off and on, and endless tow or yarn 10 go out front roller nip 12 and the enveloped composite yarn 11 that converges twisting with the staple fibre yarn 9 of walking out of front roller nip 12 and form batch (-type) overfeeding.
Swinging twizzle 8 is fixed on frizzen 7, frizzen 7 connects electromagnetic switch 6, electromagnetic switch 6 can trigger that forward is opened at random or periodically or negative sense is opened or closed and controls frizzen 7 left, center, right and move, and swings one that twizzle 8 replaces at random or periodically in the first notch district I, jaw district II and the second notch district III thereby realize; In the time that electromagnetic switch 6 is closed, endless tow or yarn 10, at jaw district II, are equivalent feeding; In the time that electromagnetic switch forward is opened, endless tow or yarn 10, at the first notch district I of front upper roller 5, are overfeeding; In the time that electromagnetic switch negative sense is opened, endless tow or yarn 10, at the second notch district III of front upper roller 5, are overfeeding.
The present invention also provides a kind of composite spinning technique that adopts above-mentioned one-sided two groove batch (-type) overfeeding composite spinning devices, the steps include:
The first step, endless tow or yarn 10 be through tension pulley 4, and first pile warp nip roiler is to 3 top roll, then pile warp nip roiler is to 3 lower roll, with obtain stable tension force and from nip roiler to 3 lower roll downside overfeeding output.In meeting endless tow or yarn 10 overfeedings, make endless tow or yarn 10 add around 1-3 on to 3 top roll and enclose to increase gripping effect and tension stability at nip roiler.
The endless tow of second step, overfeeding output or yarn 10 feed in the first notch district I, the jaw district II of front upper roller 5 and the second notch district III off and on through swinging twizzle 8; In the time that endless tow or yarn 10 are positioned at the first notch district I or the second notch district III, do not gripped by front roller nip 12, form overfeeding; In the time that endless tow or yarn 10 are positioned at jaw district II, gripped by front roller nip 12, form to wait and feed.
Then, endless tow or yarn 10 through the first notch district I or the second notch district III measure front roller nip 12 with different angles and different overfeeding, or normally go out front roller nip 12 through endless tow or the yarn 10 of jaw district II with equivalent, with the enveloped composite yarn 11 that converges twisting formation batch (-type) overfeeding with the staple fibre yarn 9 of walking out of front roller nip 12, the first notch district I, jaw district II is different with second endless tow of notch district III output or the convergence angle of yarn 10, also different to the looping angle of staple fibre yarn 9, thereby form overfeeding and wait the conversion of feeding, make endless tow or yarn 10 implement looping with the looping angle and the looping amount that intermittently change to staple fibre yarn 9.Overfeed ratio refer to nip roiler to 3 linear velocity the ratio with the linear resonance surface velocity of front upper roller 5, its value is greater than 1.0 and be less than or equal to 2.5.
Following specific embodiment 1～3rd, to different fibers and line density thereof, selects different long filaments, different rove bar and different composite yarning process parameter, i.e. the tension force of long filament and position, ingot speed, front roller rotating speed, overfeed ratio etc.Carry out by the spinning of one-sided two groove batch (-type) overfeeding compound spinning methods of the present invention, and be spun into the intermittently enveloped composite yarn of overfeeding formula of bi-component.
Adopt one-sided filoplume counting method to measure the filoplume of composite yarn, the hairiness index (F) of the bright and clean composite yarn of gained, refers in unit length yarn that extension elongation in single side face exceedes the filoplume accumulative total (root/m) F=A+Be of certain preseting length
-Cl, the setting extension elongation (mm) that l is filoplume, A, B, C are test constant; Fracture strength (P), considers fiber thickness difference, represents the index of fiber opposing outside destroy ability, unit (cN/tex); Elongation at break ε=(L-L
0)/L
0=Δ L/L
0, wherein, L
0for former length, specimen length when L is tension failure, Δ L is absolute elongation value, the size of elongation strain ability when elongation at break represents Materials Fracture.
Embodiment 1
Adopt one-sided two groove batch (-type) overfeeding compound spinning methods of the present invention, PTT endless tow is carried out after overfeeding as stated above, carry out the composite spinning of batch (-type) overfeeding with bombax cotton yarn, form the intermittently enveloped composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the enveloped composite yarn of overfeeding formula intermittently, has the outward appearance of obvious change looping effect, if I, II, the III of Fig. 3 discontinuous formula enveloped composite yarn 11 parts are effects of the feeding looping in I, II, III district.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.
Embodiment 2
Adopt one-sided two groove batch (-type) overfeeding compound spinning methods of the present invention, cotton yarn is carried out after overfeeding as stated above, carry out the composite spinning of batch (-type) overfeeding with cotton fiber yarn, form the intermittently enveloped composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the enveloped composite yarn of overfeeding formula intermittently, has the outward appearance of obvious change looping effect, if I, II, the III of Fig. 3 discontinuous formula enveloped composite yarn 11 parts are effects of the feeding looping in I, II, III district.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.
Embodiment 3
Adopt one-sided two groove batch (-type) overfeeding compound spinning methods of the present invention, chinlon filament bundle is carried out after overfeeding as stated above, carry out the composite spinning of batch (-type) overfeeding with hair staple fibre yarn, form the intermittently enveloped composite yarn of overfeeding formula of bi-component, concrete technology parameter is as shown in the table.The bi-component being spun into is the enveloped composite yarn of overfeeding formula intermittently, has the outward appearance of obvious change looping effect, if I, II, the III of Fig. 3 discontinuous formula enveloped composite yarn 11 parts are effects of the feeding looping in I, II, III district.The row yielding of its resultant yarn is very high, represents flyings, falls the fiber loss such as bits, broken end seldom; When thousand ingots, end breakage rate is extremely low because of the continuous and protection of long filament, represents that good spinnability and the working (machining) efficiency of resultant yarn processing is high, sees the following form listed.
Spin the one-sided two groove batch (-type) overfeeding composite spinning technological parameters of different appearance effect
Claims (10)
1. one-sided two groove batch (-type) overfeeding composite spinning devices, it is characterized in that: comprise bridge joint roller (1), bridge joint roller (1) contacts with speed governing roller (2) and front upper roller (5) respectively, the power of front upper roller (5) passes to speed governing roller (2) by bridge joint roller (1), drive nip roiler to (3) by speed governing roller (2), on front upper roller (5), have two notches, thereby form the first notch district (I), the second notch district (III) and be positioned at the first notch district (I) and the second notch district (III) between jaw district (II), endless tow or yarn (10) are after tension pulley (4), drive overfeeding to move ahead to (3) by clamping and rubbing by nip roiler, endless tow or yarn (10) go out nip roiler (3) are fed to the first notch district (I) off and on by the swing twizzle (8) moving left and right, in jaw district (II) and the second notch district (III) one, endless tow or yarn (10) go out front roller nip (12) and the enveloped composite yarn (11) that converges twisting formation batch (-type) overfeeding with the staple fibre yarn (9) of walking out of front roller nip (12).
2. the one-sided two groove batch (-type) overfeeding composite spinning devices of one as claimed in claim 1, is characterized in that: described the first notch district (I) is near the center line of described front upper roller (5); Described the second notch district (III) is consistent with the form in described the first notch district (I), and relatively away from the center line of described front upper roller (5); Described jaw district (II) is positioned at the part between described the first notch district (I) and described the second notch district (III) for the face of cylinder of front upper roller (5) own.
3. the one-sided two groove batch (-type) overfeeding composite spinning devices of one as claimed in claim 1, is characterized in that: the complementation by described bridge joint roller (1) and described speed governing roller (2) diameter changes, to regulate different transmission rotating ratios.
4. the one-sided two groove batch (-type) overfeeding composite spinning devices of one as claimed in claim 1, it is characterized in that: described speed governing roller (2) is coaxially connected to the lower roll of (3) with described nip roiler, and the diameter of speed governing roller (2) is less than the diameter of described nip roiler to (3) lower roll, to ensure that described nip roiler is greater than described front upper roller (5) linear resonance surface velocity to the linear resonance surface velocity of (3).
5. the one-sided two groove batch (-type) overfeeding composite spinning devices of one as claimed in claim 1, it is characterized in that: described swing twizzle (8) is fixed on frizzen (7), frizzen (7) connects electromagnetic switch (6), in the time that electromagnetic switch (6) is closed, described endless tow or described yarn (10), in described jaw district (II), are equivalent feeding; When electromagnetic switch (6) forward is opened or when negative sense opens, described endless tow or described yarn (10) in described the first notch district (I) or described the second notch district (III), are overfeeding.
6. a composite spinning technique that adopts one-sided two groove batch (-type) overfeeding composite spinning devices as claimed in claim 1, is characterized in that:
The first step, endless tow or yarn (10) are through tension pulley (4), and the top roll of first pile warp nip roiler to (3), then the lower roll of pile warp nip roiler to (3), to obtain stable tension force and the lower roll downside overfeeding output to (3) from nip roiler;
The endless tow of second step, overfeeding output or yarn (10) feed in the first notch district (I), jaw district (II) and the second notch district (III) of front upper roller (5) off and on through swinging twizzle (8); In the time that endless tow or yarn (10) are positioned at the first notch district (I) or the second notch district (III), do not gripped by front roller nip (12), form overfeeding; In the time that endless tow or yarn (10) are positioned at jaw district (II), gripped by front roller nip (12), form to wait and feed;
Then, endless tow or yarn (10) through the first notch district (I) or the second notch district (III) measure front roller nip (12) with different angles and different overfeeding, or normally go out front roller nip (12) through endless tow or the yarn (10) of jaw district (II) with equivalent, with the enveloped composite yarn (11) that converges twisting formation batch (-type) overfeeding with the staple fibre yarn (9) of walking out of front roller nip (12), the first notch district (I), jaw district (II) is different with the endless tow of the second notch district (III) output or the convergence angle of yarn (10), also different to the looping angle of staple fibre yarn (9), thereby form overfeeding and wait the conversion of feeding, make endless tow or yarn (10) implement looping with the looping angle and the looping amount that intermittently change to staple fibre yarn (9).
7. a kind of composite spinning technique as claimed in claim 6, is characterized in that: described overfeed ratio refers to the ratio of the linear resonance surface velocity of the linear velocity of described nip roiler to (3) and described front upper roller (5), and its value is greater than 1.0 and be less than or equal to 2.5.
8. a kind of composite spinning technique as claimed in claim 6, it is characterized in that: in meeting described endless tow or described yarn (10) overfeeding, make described endless tow or described yarn (10) add around 1-3 on to the top roll of (3) and enclose to increase gripping effect and tension stability at described nip roiler.
9. an application for one-sided two groove batch (-type) overfeeding composite spinning devices as claimed in claim 1, is characterized in that: for staple fibre yarn being made the composite spinning of batch (-type) overfeeding looping on ring throstle.
10. an application for composite spinning technique as claimed in claim 6, is characterized in that: for staple fibre yarn being made the composite spinning of batch (-type) overfeeding looping on ring throstle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210254399.7A CN102787412B (en) | 2012-07-22 | 2012-07-22 | Singe-side two-groove intermittent overfeeding composite spinning device and process |
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| CN201210254399.7A CN102787412B (en) | 2012-07-22 | 2012-07-22 | Singe-side two-groove intermittent overfeeding composite spinning device and process |
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| CN107177918A (en) * | 2016-03-11 | 2017-09-19 | 杭州精纱信息技术有限公司 | A kind of cored/AB composite yarns spinning apparatus and cored/AB composite yarn preparation methods |
| CN106987956B (en) * | 2017-03-06 | 2019-06-25 | 东华大学 | The spinning apparatus of the uniform auxetic composite yarn of looping angle based on improved ring spinning technique |
| CN107475846A (en) * | 2017-09-04 | 2017-12-15 | 陆正明 | Yarn, yarn preparation method and yarn production equipment |
| DE102019135719B4 (en) | 2019-12-23 | 2023-11-30 | Peppermint Holding GmbH | Device and method for producing a core yarn |
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| JPS60110930A (en) * | 1983-11-18 | 1985-06-17 | Mitsubishi Rayon Co Ltd | Preparation of specific fancy yarn |
| WO2009090501A1 (en) * | 2008-01-16 | 2009-07-23 | Dekor Tekstil Sanayi Ve Ticaret Anonim Sirketi | Method for producing ring dyeable core-spun yarn |
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|---|---|---|---|---|
| DE2412390A1 (en) * | 1973-03-16 | 1974-09-19 | Commw Scient Ind Res Org | ORNAMENTAL YARN AND METHOD OF ITS MANUFACTURING |
| CN1853008A (en) * | 2003-09-15 | 2006-10-25 | 纳幕尔杜邦公司 | Composite twist core-spun yarn and method and device for its production |
| JP5155581B2 (en) * | 2007-03-29 | 2013-03-06 | ユニチカトレーディング株式会社 | Manufacturing method of long and short composite spun yarn |
| CN102296389A (en) * | 2011-08-23 | 2011-12-28 | 东华大学 | Composite spinning device and spinning method for covering rigid fiber filaments with chemical fiber filaments |
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