CN111020785A - AB-style slub roving yarn, spun yarn and fabric and production method thereof - Google Patents
AB-style slub roving yarn, spun yarn and fabric and production method thereof Download PDFInfo
- Publication number
- CN111020785A CN111020785A CN201911369620.1A CN201911369620A CN111020785A CN 111020785 A CN111020785 A CN 111020785A CN 201911369620 A CN201911369620 A CN 201911369620A CN 111020785 A CN111020785 A CN 111020785A
- Authority
- CN
- China
- Prior art keywords
- roller
- roving
- yarn
- hole
- drawn sliver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
- D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
- D02G3/34—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/22—Drafting machines or arrangements without fallers or like pinned bars in which fibres are controlled by rollers only
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/32—Regulating or varying draft
- D01H5/36—Regulating or varying draft according to a pre-arranged pattern, e.g. to produce slubs
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/74—Rollers or roller bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
Abstract
The invention provides an AB-style slub roving, spun yarn and fabric and a production method thereof, wherein the production method adopts a drawn sliver A and a drawn sliver B and/or a roving C to produce through a roving spinning device; according to the processing method of the yarn, the roving device sequentially comprises a first guide strip roller, a yarn hanging rod, a second guide strip roller, a rear roller, a middle roller, a front roller and a roving spindle; a back leather roller matched with the back roller is arranged near the back roller; a middle leather roller matched with the middle roller is arranged near the middle roller; a front leather roller matched with the front roller is arranged near the front roller. The spun yarn and the fabric formed by the production method are rich in color and novel in rough style, the content of the drawn sliver A, the drawn sliver B and the content of the rough yarn C in the rough yarn process can be adjusted at will, the defects that the prior art cannot be adjusted at will and the color is single are overcome, and the individualized requirements of different customers are met.
Description
Technical Field
The invention relates to the field of spinning, in particular to AB-style slub roving, spun yarn and fabric and a production method thereof.
Background
The AB yarn is a product with the key appearance style in the textile field, the same quantitative A roving and the B roving with different colors are adopted, the A roving and the B roving respectively penetrate into the left hole and the right hole of the rear bell mouth on a spinning frame at the same time, fiber strands A, B with different colors are formed after the A roving and the B roving are drafted by a drafting zone consisting of a front roller, a middle roller, a rear roller and a leather roller, and then the AB yarn with the twist effect is prepared by twisting and winding of a spinning spindle.
At present, the AB yarn in the industry is produced in a spinning process, however, the traditional AB yarn has the same roving basis weight of A, B, so that the A, B content is 50%, the style is single, and the traditional AB yarn only has A, B two colors and is monotonous in color. These characteristics restrict the popularization and application of AB yarns.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an AB-style slub roving, spun yarn and fabric and a production method thereof, which are used for solving the problems that the AB yarn in the spinning stage in the prior art is monotonous in color, single in style and difficult to meet the market demand.
To achieve the above objects and other related objects, the present invention is achieved by the following technical solutions.
The invention provides a production method of AB-style slub roving, which is characterized in that a drawn sliver A and a drawn sliver B and/or a roving C are used for producing through a roving spinning device; according to the processing method of the yarn, the roving device sequentially comprises a first guide strip roller, a yarn hanging rod, a second guide strip roller, a rear roller, a middle roller, a front roller and a roving spindle; a back leather roller matched with the back roller is arranged near the back roller; a middle leather roller matched with the middle roller is arranged near the middle roller; a front leather roller matched with the front roller is arranged near the front roller; the upper stream of the back roller is provided with three-hole back bell mouths, and the upper stream of the middle roller is provided with three-hole middle bell mouths; the three-hole rear bell mouth and the three-hole middle bell mouth are respectively provided with a left, a middle and a right yarn guide holes which are arranged side by side;
the spinning device also comprises a main motor and a servo motor M, wherein the front roller and the middle roller are in transmission connection with the main motor;
the rear roller is in transmission connection with a servo motor M;
the drawn sliver A and the drawn sliver B are fed into a three-hole rear bell mouth through a first guide roller and a third guide roller, the roving C is arranged on a yarn hanging rod, and the roving C is fed into the three-hole rear bell mouth through the third guide roller; the drawn sliver A, the drawn sliver B and the thick yarn C are respectively drafted by a rear roller, a rear leather roller, a middle leather roller and a three-hole middle bell mouth, a front roller and a front leather roller, and then twisted by a thick yarn spindle to form the AB-style slub thick yarn.
In the application, the method for producing the drawn sliver A and the drawn sliver B and/or the roving C through the roving spinning device means that the drawn sliver A and the drawn sliver B are produced through the roving spinning device, or the drawn sliver A, the drawn sliver B and the roving C are produced together through the roving spinning device.
According to the technical scheme, the drawn sliver A and the drawn sliver B are respectively fed into the left yarn guide hole and the middle yarn guide hole of the three-hole rear bell mouth through the first yarn guide roller.
According to the technical scheme, the roving C is fed into the right yarn guide hole of the horn mouth after the third guide roller is arranged in the three holes.
According to the technical scheme, the drawn sliver A and the drawn sliver B respectively pass through the left yarn guide hole and the middle yarn guide hole of the three-hole middle bell mouth.
According to the technical scheme, the roving C passes through the right yarn guide hole of the bell mouth in the three holes.
According to the technical scheme, the quantitative ratio of the cooked strips A and B is 12.0g/5 m-30.0 g/5 m.
According to the technical scheme, the ration of the roving C is 3.0g/10 m-8.5 g/10 m.
According to the technical scheme, the twist factor of the roving C is 50-135.
According to the technical scheme, the drawn sliver A, the drawn sliver B and the roving C are one or more selected from cotton, viscose, terylene, acrylic fibers and modal.
According to the technical scheme, the drawn slivers A, B and C are different in color.
According to the technical scheme, the drawn sliver A and the drawn sliver B are both prepared by the processes of cotton mixing, blowing, cotton carding and drawing.
According to the technical scheme, the roving C is manufactured through the processes of cotton mixing, blowing, cotton carding, drawing and roving.
According to the technical scheme, the total draft multiple between the front roller and the rear roller is 5-13.5.
According to the technical scheme, the draft multiple between the front roller and the middle roller is 4.0-9.0.
The invention also discloses the AB-style slub roving obtained by the production method.
According to the AB-style slub roving, the twist or twist factor is 50-135.
According to the AB-style slub roving, the slub pitch is 40-2000 mm, the pitch length is 20-500 mm, and the slub multiple is 1.0-2.5 times.
The invention also discloses spun yarn or fabric formed by the AB-style slub roving.
The technical scheme provided by the invention is that the AB-style slub roving is produced by adopting a roving process, and then the AB-style slub spun yarn is produced by a spinning process such as a ring spinning frame. The roving, spun yarn and fabric formed by the production method are rich in color and novel in rough style, the content of the drawn sliver A, the drawn sliver B and the content of the roving C in the roving process can be adjusted at will, the defect that the drawn sliver A, the drawn sliver B and the drawn sliver C cannot be adjusted at will in the prior art is overcome, and the individualized requirements of different customers are met.
Drawings
Fig. 1 shows a schematic view of a production device and a process for the AB-style slub yarn of the present invention.
The reference numbers in FIG. 1 are as follows
A is cooked strips;
b, cooked strips;
c is roving;
1 is a first conducting bar roller;
3 is a second conducting bar roller;
2 is a yarn hanging rod;
4 is a three-hole rear bell mouth;
5 is a back roller;
6 is a back leather roller;
7 is a three-hole middle bell mouth;
8 is a middle roller;
9 is a middle leather roller;
10 is a front roller;
11 is a front leather roller;
12 is a multicolor AB style roving;
13 is a roving spindle;
14 is a bobbin.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It is to be understood that the processing equipment or apparatus not specifically identified in the following examples is conventional in the art.
Furthermore, it is to be understood that one or more method steps mentioned in the present invention does not exclude that other method steps may also be present before or after the combined steps or that other method steps may also be inserted between these explicitly mentioned steps, unless otherwise indicated; it is also to be understood that a combined connection between one or more devices/apparatus as referred to in the present application does not exclude that further devices/apparatus may be present before or after the combined device/apparatus or that further devices/apparatus may be interposed between two devices/apparatus explicitly referred to, unless otherwise indicated. Moreover, unless otherwise indicated, the numbering of the various method steps is merely a convenient tool for identifying the various method steps, and is not intended to limit the order in which the method steps are arranged or the scope of the invention in which the invention may be practiced, and changes or modifications in the relative relationship may be made without substantially changing the technical content.
Example 1
In the present embodiment, first, a roving spinning device is provided, as shown in fig. 1, the roving spinning device includes, in order along a processing direction of a yarn, a first sliver guide roller 1, a yarn hanging rod 2, a second sliver guide roller 3, a rear roller 5, a middle roller 8, a front roller 10, and a roving spindle 13; a back leather roller 6 matched with the back roller is arranged near the back roller 5; a middle leather roller 9 matched with the middle roller is arranged near the middle roller 8; a front leather roller 11 matched with the front roller is arranged near the front roller 10; the upstream of the back roller 5 is provided with a three-hole back bell mouth 4, and the upstream of the middle roller 8 is provided with a three-hole middle bell mouth 7; three parallel yarn guide holes are formed in the three-hole rear bell mouth 4 and the three-hole middle bell mouth 7;
the spinning device also comprises a main motor and a servo motor M, wherein the front roller 10 and the middle roller 8 are in transmission connection with the main motor; the back roller 5 is in transmission connection with a servo motor M.
In this application, the fiber strips fed into the drafting zone are separated and oriented by the three-hole rear bell mouth 4 and the three-hole middle bell mouth 7, so that the drawn strips A, B and C are respectively drafted in the drafting zone formed by the rear roller, the middle roller and the front roller, and then the twisting triangular zone between the front roller and the roving spindle is converged to form AB-style slub roving, thereby ensuring the stability and continuity of the production method and improving the production efficiency.
The roving spinning device further comprises a bobbin 14 which is arranged at the downstream of the roving spindle 13. The method is used for winding the continuously obtained AB-style slub roving during production. When a drawn sliver A, a drawn sliver B and a roving C are used for producing AB-style slub roving through a roving spinning device, the drawn sliver A and the drawn sliver B are fed into a three-hole rear bell mouth 4 through a first guide roller 1 and a third guide roller 3, the roving C is arranged on a yarn hanging rod 2, and the roving C is fed into the three-hole rear bell mouth 4 through the third guide roller 3; the roving A, the drawn sliver B and the roving C are respectively drafted by a rear roller 5, a rear leather roller 6, a middle roller 8, a middle leather roller 9, a three-hole middle bell mouth 7, a front roller 10 and a front leather roller 11, and then twisted by a roving spindle 13 to form AB-style slub roving which is wound on a bobbin 14. Feeding the cooked sliver A and the cooked sliver B into a left yarn guide hole and a middle yarn guide hole of a three-hole rear bell mouth 4 through a first sliver guide roller 1 respectively; feeding the roving C into a right yarn guide hole of a three-hole rear bell mouth 4 through a third yarn guide roller 3; the cooked strips A and B respectively pass through a left yarn guide hole and a middle yarn guide hole of a bell mouth 7 in the three holes; the roving C passes through the right yarn guide hole of the bell mouth 7 in the three holes.
In this application servo motor independent control back roller continuous operation to control its rotational speed, thereby control the draft multiple, form the bamboo joint characteristic.
Example 2
In this example, the roving spinning device and the production method described in example 1 were used to produce AB-style slub rovings.
In this example, the weight of the drawn sliver A is 12.0g/5m, which is obtained by using the dyed black cotton fiber through the processes of cotton blending, blowing, cotton carding and drawing.
In this embodiment, the weight of the drawn sliver B is 12.0g/5m, and the drawn sliver B is obtained by using the white cotton through the processes of cotton blending, blowing, cotton carding and drawing.
The black and white AB-style roving is obtained through production, the roving ration is 6.3g/10m, and the roving twist is 4.8T/10 cm.
In the roving process, the drafting multiple between the front roller and the middle roller is 5.6 times; the servo motor controls the back roller to rotate at a constant speed, the speed of the back roller is 13.1 percent of that of the front roller, namely the total draft multiple of the front roller and the back roller is 7.6 times.
And (3) preparing the AB-style spun yarn by adopting the rough yarn and a ring spinning frame. Compared with the traditional AB slub yarn prepared by directly adopting a spun yarn process, the yarn in the application has softer and more delicate style.
Example 3
In this example, the roving spinning device and the production method described in example 1 were used to produce AB-style slub rovings.
In this example, the basis weight of the drawn sliver A is 12.0g/5m, which is obtained by using the red cotton fiber obtained by dyeing through the processes of cotton blending, blowing, cotton carding and drawing.
In this example, the weight of the drawn sliver B is 12.0g/5m, and the drawn sliver B is obtained by subjecting blue cotton fibers obtained by dyeing to the processes of cotton blending, blowing, cotton carding and drawing.
In the embodiment, the roving C has the basis weight of 6.3g/10m and the twist of 4.8T/10cm, and is prepared by carrying out cotton blending, blowing, cotton carding, drawing and roving processes on dyed green cotton fibers.
Multicolor AB-style roving is obtained through production, the quantitative rate is 6.3g/10m, and the twist of the roving is 4.5/10 cm.
In the roving process, the drafting multiple between the front roller and the middle roller is 6.4 times; the servo motor controls the back roller to rotate in a variable speed mode, the average speed of the back roller is 11.6% of that of the front roller, and the total draft multiple of the front roller and the back roller is 8.62 times.
The bamboo joint process has pitch of 120mm +/-30%, length of 30mm +/-30% and bamboo joint multiple of 1.5 times. (+ -30% means that the variation is random within plus or minus 30% during spinning).
The multicolor AB slub roving is adopted and then is processed by a ring spinning frame to prepare the red, blue and green AB-style slub yarn. Compared with the traditional AB slub yarn prepared by directly adopting a spun yarn process, the yarn in the embodiment of the application has multiple colors and is more rough in style.
Example 4
In this example, the roving spinning device and the production method described in example 1 were used to produce AB-style slub rovings.
In this example, the basis weight of the drawn sliver A is 24.0g/5m, which is obtained by using the dyed black cotton fiber through the processes of cotton blending, blowing, cotton carding and drawing.
In this example, the weight of the drawn sliver B is 12.0g/5m, and the drawn sliver B is obtained by subjecting blue cotton fibers obtained by dyeing to the processes of cotton blending, blowing, cotton carding and drawing.
In the embodiment, the roving C has the basis weight of 6.3g/10m and the twist of 4.8T/10cm, and is prepared by carrying out cotton blending, blowing, cotton carding, drawing and roving processes on dyed green cotton fibers.
Multicolor AB-style roving is obtained through production, the quantitative rate is 7.0g/10m, and the twist of the roving is 4.3T/10 cm.
In the roving process, the drafting multiple between the front roller and the middle roller is 8.3 times; the servo motor controls the back roller to rotate in a variable speed mode, the average speed of the back roller is 8.9% of that of the front roller, namely the total draft multiple of the front roller and the back roller is 11.2 times.
The bamboo joint process has pitch of 180mm +/-25%, pitch length of 40mm +/-25% and bamboo joint multiple of 1.8 times. (+ -25% means that during spinning, the variation is random within plus or minus 25%).
And (3) preparing the blue black green AB slub roving by using the prepared blue black green AB slub roving and then passing the blue black green AB slub roving through a ring spinning frame. Compared with the traditional AB slub yarn prepared by directly adopting a spun yarn process, the yarn in the embodiment of the application has multiple colors and is more rough in style.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A production method of AB-style slub roving is characterized in that a drawn sliver A and a drawn sliver B and/or a roving C are used for production through a roving spinning device; according to the processing method of the yarn, the roving device sequentially comprises a first guide bar roller (1), a yarn hanging rod (2), a second guide bar roller (3), a rear roller (5), a middle roller (8), a front roller (10) and a roving spindle (13); a back leather roller (6) matched with the back roller is arranged near the back roller (5); a middle leather roller (9) matched with the middle roller is arranged near the middle roller (8); a front leather roller (11) matched with the front roller is arranged near the front roller (10); the upstream of the back roller (5) is provided with a three-hole back bell mouth (4), and the upstream of the middle roller (8) is provided with a three-hole middle bell mouth (7); the three-hole rear bell mouth (4) and the three-hole middle bell mouth (7) are respectively provided with a left, a middle and a right yarn guide holes which are arranged side by side;
the spinning device also comprises a main motor and a servo motor M, wherein the front roller (10) and the middle roller (8) are in transmission connection with the main motor; the rear roller (5) is in transmission connection with a servo motor M;
the drawn sliver A and the drawn sliver B are fed into a three-hole rear bell mouth (4) through a first guide roller (1) and a third guide roller (3), the roving C is arranged on a yarn hanging rod (2), and the roving C is fed into the three-hole rear bell mouth (4) through the third guide roller (3);
the drawn sliver A, the drawn sliver B and the thick yarn C are respectively drafted by a rear roller (5) and a rear leather roller (6), a middle roller (8) and a middle leather roller (9), a three-hole middle bell mouth (7), a front roller (10) and a front leather roller (11), and then twisted by a thick yarn spindle (13) to form the AB-style slub thick yarn.
2. The production method according to claim 1, characterized in that the drawn sliver a and the drawn sliver B are fed through a first drawing roller (1) into the left and middle yarn guide holes, respectively, of a three-hole rear bell (4).
3. The production method according to claim 1, characterized in that the roving C is fed through a third bar-guiding drum (3) to the right guide hole of the three-hole rear bell (4).
4. The production method according to claim 1, wherein the drawn sliver a and the drawn sliver B are passed through a left yarn guide hole and a middle yarn guide hole of a three-hole middle bell mouth (7), respectively; the roving C passes through a right yarn guide hole of a bell mouth (7) in the three holes.
5. The production method according to claim 1, wherein the quantitative amounts of the cooked strips a and B are 12.0g/5m to 30.0g/5 m.
6. The production process according to claim 1, characterized in that the roving C has a basis weight of between 3.0g/10m and 8.5g/10 m.
7. The production method according to claim 1, wherein the drawn sliver a, the drawn sliver B and the roving C are different in color.
8. An AB-style slub roving obtained by the production method of any one of claims 1 to 7.
9. The AB-style slub roving of claim 8, wherein the twist multiplier is 50-135.
10. A spun yarn or fabric formed using the AB-style slub roving of claim 8 or 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911369620.1A CN111020785A (en) | 2019-12-26 | 2019-12-26 | AB-style slub roving yarn, spun yarn and fabric and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911369620.1A CN111020785A (en) | 2019-12-26 | 2019-12-26 | AB-style slub roving yarn, spun yarn and fabric and production method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111020785A true CN111020785A (en) | 2020-04-17 |
Family
ID=70214003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911369620.1A Pending CN111020785A (en) | 2019-12-26 | 2019-12-26 | AB-style slub roving yarn, spun yarn and fabric and production method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111020785A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463237A (en) * | 2021-07-17 | 2021-10-01 | 际华三五四二纺织有限公司 | Manufacturing method of multi-component multi-color fancy AB yarn |
-
2019
- 2019-12-26 CN CN201911369620.1A patent/CN111020785A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113463237A (en) * | 2021-07-17 | 2021-10-01 | 际华三五四二纺织有限公司 | Manufacturing method of multi-component multi-color fancy AB yarn |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104611807B (en) | A kind of method for producing section coloured silk rove | |
| CN105755622B (en) | A kind of rove method AB yarn production technologies | |
| CN108728967B (en) | Looping structure flax, polyester filament section coloured silk composite yarn processing method and composite yarn | |
| CN103668628A (en) | Processing method for compact Sirofil elastic yarns | |
| CN112813555A (en) | Production device and production process of color-mixed spun core-spun colored porcelain yarn | |
| CN105483884A (en) | Colored polyesters and viscose blended siro-and-compact spinning yarns and manufacturing process | |
| CN204138845U (en) | A kind of spinning apparatus of novel colour-spun yarns | |
| CN107460612A (en) | A kind of colorful gradient number yarn knitting fabric and preparation method thereof | |
| CN102505236A (en) | Blended segment colored yarn manufacture method | |
| CN103866441A (en) | Method for producing multicolor section color yarn and drawing frame device | |
| CN211471705U (en) | Production device of composite structure core-spun yarn | |
| CN110079909B (en) | Production method of double-filament core-spun fasciated yarn | |
| CN105887262A (en) | Method using ring spinning and roving mismatch spinning to produce AB yarn | |
| CN110923873A (en) | Production method of pure cotton colored spun yarn | |
| CN111020785A (en) | AB-style slub roving yarn, spun yarn and fabric and production method thereof | |
| CN111893611A (en) | One-step method precise strand control strand production device and spinning method | |
| CN105887261B (en) | Siro type production method of colored spun fancy roving | |
| CN117144524A (en) | Spinning method of double-component blended yarn with adjustable interval length | |
| CN103726158B (en) | A kind of colored bunchy yarn and production method thereof | |
| CN111472075A (en) | Blended spun yarn, production method thereof and fabric formed by same | |
| CN116590816A (en) | Spinning method of bi-component blended yarn | |
| CN111926434A (en) | Wool worsted fancy yarn core-spun yarn and manufacturing method and device thereof | |
| CN211689339U (en) | Segment color plied yarn spinning machine | |
| CN211872201U (en) | Production device for producing AB-style bamboo joint roving | |
| CN112626661B (en) | Lodging-resistant yarn, production method thereof and fabric formed by lodging-resistant yarn |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |