CN106884242B - A kind of section color bunchy yarn process units that slub length is controllable and production method - Google Patents
A kind of section color bunchy yarn process units that slub length is controllable and production method Download PDFInfo
- Publication number
- CN106884242B CN106884242B CN201710249356.2A CN201710249356A CN106884242B CN 106884242 B CN106884242 B CN 106884242B CN 201710249356 A CN201710249356 A CN 201710249356A CN 106884242 B CN106884242 B CN 106884242B
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- roller
- connection
- connection gear
- gear
- yarn
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Classifications
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- 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
- D02G3/346—Yarns or threads having slubs, knops, spirals, loops, tufts, or other irregular or decorative effects, i.e. effect yarns with coloured effects, i.e. by differential dyeing process
-
- 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
Abstract
A kind of section color bunchy yarn process units that slub length is controllable and production method,Before process units includes,In,Rear roller,The connection gear before front roller axis right end adds full tooth,First is added in middle roller axis right end,Connection gear in second,Connection gear is closely connected with preceding connection gear in first,Connection gear is full tooth in first,Connection gear is divided into 2N equal portions clockwise by equal angular in second,Wherein identical tooth connection is evenly distributed on the excircle of N equal portions,It is in smooth state not have tooth connection on the excircle of remaining N equal portions,And it carries each equal portions excircle of tooth connection and is arranged alternately in the excircle of each equal portions of smooth state,Connection gear after full tooth is added in the right end of rear roller axis,Connection gear is closely connected with connection gear in second afterwards,To realize the interruption feeding of rove,And the length of base yarn section and ring coloured silk yarn section is determined by N,Then it realizes adjustable.
Description
Technical field
The present invention relates to ring spinning new technical fields, particularly relate to a kind of Duan Caizhu that slub length is controllable
Save yarn process units and production method.
Background technology
Section coloured yarn is one kind of flame, is spinned using the fiber of different colours or raw material, color is in yarn
It is combined by a variety of colored fibers in same cross section, on yarn longitudinal length, the colored fibre of various combination is in irregular disconnected
The distribution of continuous variation.Satin color yarn fabric color and luster it is soft it is plentiful, fancy is various, stereovision is strong, meet consumer to fashion
It pursues.It is that grilling drawing process carries out section coloured silk respectively currently, there are mainly four types of the section coloured yarn production technologies that mainstream uses both at home and abroad
Color matching, drawing frame segmentation feeding, three roller spinning frames, four roller spinning frames.These four section coloured yarn production technologies are both needed to corresponding
It installs section coloured yarn device, i.e. Computerized controller in production equipment additional, the speed or operation cycle of part of appliance is controlled,
Realize the production of section coloured yarn.Grilling drawing process is wherein used to carry out the color matching of section coloured silk and drawing frame segmentation two kinds of production technologies of feeding
For producing section coloured silk ribbon, after by rove and spinning process spin section coloured yarn, be chiefly used in the production of wool spinning section coloured yarn line, and
Equipment price is expensive.Three roller spinning frame yarn formation structures of section coloured yarn device are installed additional similar to fasciated yarn, are chiefly used in producing Duan Caizhu
Save yarn.Four roller spinning frames are to feed two rough yarns using ladder rubber roller, are segmented by servo motor and change rove feeding speed,
Realize the spinning of section coloured yarn.The mechanism can spin item and do relatively uniform section coloured yarn, but regular roving feeding and back zone drafting multiple
It adjusts and control is all not convenient enough.Meanwhile current section coloured yarn process units is used individually by the roller to spinning frame
Servo drive is realized, therefore, if for existing improving old machine, needs to add servo-control system again, increases improvement cost.
In view of this, the present invention provides a kind of section color bunchy yarn process units that slub length is controllable and production method, use
First coloured rove, the second coloured rove are fed by the rear roller of spinning frame, middle roller respectively, and between middle roller and rear roller
It is all made of the equiangularly spaced interruption gear with tooth connection of circumferential surface to be sequentially connected, between the first coloured rove of realization
Disconnected feeding, while the length that a minor tick of the first coloured rove is fed is realized by the selection of interval angles, to realize bamboo
Save the controllable of length.
Invention content
The purpose of the present invention provides a kind of section color bunchy yarn process units that slub length is controllable and production method, to realize
The controllable of length is fed by the interruption of the coloured rove of rear roller feeding, to realize the controllable selection of slub length, is saved simultaneously
But section color equipment sets middle need servo-drive system to be added, reduces improvement cost.
In order to achieve the above object, the present invention relates to a kind of section color bunchy yarn process units that slub length is controllable, including
Rear roller, middle roller, front roller, the front roller include front roller set and front roller axis, and the front roller set integration is fixed
On the surface of front roller axis, the front roller set and front roller axis are solid construction, uniform on the surface of front roller set
Screw thread is distributed with, the right end of the front roller axis stretches out the right end of front roller set, and the right end of the front roller axis passes through main motor
Rotation is driven, connection gear before being added on the right end that the front roller axis stretches out front roller set, in the preceding connection gear
Tooth connection is evenly distributed on one circumference on surface, the middle roller is located at the back upper place of front roller, and the middle roller includes
Middle roller covers and middle roller axis, and the middle roller set integrated solid is scheduled on the surface of middle roller axis, the middle roller set and middle sieve
Pulling shaft is solid construction, screw thread is evenly distributed on the surface of middle roller set, in the right end stretching of the middle roller axis
The right end of roller set, tooth connection in from left to right adding first successively on the right end that the middle roller axis stretches out middle roller set
Wheel, connection gear in second, are evenly distributed with tooth connection in described first on a circumference on connection gear surface, and described the
Connection gear and preceding connection gear are closely connected in one, the drawing-off times of the front draft zone between the front roller and middle roller
Number E1 are determined by the gear ratio between the tooth connection and the tooth connection of preceding connection gear of connection gear in first, are connected in described second
The excircle for connecing gear is divided into 2N equal portions clockwise by equal angular, and the wherein N equal portions of connection gear is outer in described second
It is evenly distributed with identical tooth connection on circumference, does not have on the excircle of the remaining N equal portions of connection gear in described second
It is in smooth state to have tooth connection, each equal portions excircle with tooth connection of connection gear and in smooth state in described second
The excircles of each equal portions be arranged alternately, the rear roller is located at the back upper place of middle roller, and the rear roller includes rear sieve
It helps pull a cart and rear roller axis, the rear roller set integrated solid is scheduled on the surface of rear roller axis, the rear roller set and rear roller axis
It is solid construction, the surface of roller set is evenly distributed with screw thread in the rear, and the right end of the rear roller axis stretches out rear roller
The right end of set, roller shaft, which stretches out on the right end that rear roller covers, in the rear adds rear connection gear, in the rear connection gear
It is evenly distributed with tooth connection on one circumference on surface, connection gear is connect with rear connection gear in described second, middle sieve
Draw the drafting multiple E2 in the first break draft area between rear roller by the N equal portions for wherein carrying tooth connection of connection gear in second
Gear ratio on excircle between tooth connection and the tooth connection of rear connection gear determines that connection gear is connected with rear in described second
Gear includes two kinds of connection status, first, the state that is connected, i.e., after connection gear in tooth connection and second in connection gear
The wherein excircle of an equal portions on tooth connection be closely connected, second is that empty connection status, i.e., after connection in connection gear
The excircle in smooth state of a connection gear wherein equal portions does not connect in tooth and second, in the rear roller, middle sieve
The surface of drawing adds the first horn mouth, the second horn mouth respectively, the first rove, the second rove respectively by the first horn mouth,
Second horn mouth feeds rear roller, middle roller, and the first rove and the second rove are coloured rove, and the first rove and second is slightly
The color of yarn is different.
The invention further relates to a kind of section color bunchy yarn production methods that slub length is controllable, and section color bunchy yarn includes base yarn
Section, ring section coloured yarn section, the base yarn section are drawing-off effect of second rove through the front draft zone between front roller and middle roller
Obtained yarn is twisted, and the ring section coloured yarn section is the first rove through the first break draft area between middle roller and rear roller
The yarn that drawing-off after drawing-off effect with the second rove jointly again through the front draft zone between front roller and middle roller acts on
It twists, the equal length of the length and ring section coloured yarn section of the base yarn section, the length and ring section of the base yarn section are color
The length of yarn section is equal to E1 × V2/ (2N), and wherein V2 indicates the linear velocity of middle roller, is in base along section color bunchy yarn length direction
Yarn section, ring section coloured yarn section are alternately arranged, and when spinning, main motor drives front roller shaft rotation dynamic, then drive front roller set and before
Connection gear rotate synchronously, preceding connection gear by be closely connected therewith first in connection gear drive middle roller shaft rotation
It is dynamic, it then drives connection gear in middle roller set and second to rotate, then drives the second rove to be continuously fed by middle roller, at this time
Under original state, connection gear is in empty connection status with rear connection gear in second, and rear roller stops operating, and the first rove stops
It only feeds, the yarn that drawing-off of second rove through the front draft zone between front roller and middle roller at this time acts on is through twisting
To base yarn section；Then, when connection gear turns over 1/2N smooth circumferentials in second, a wherein equal portions for connection gear in second
Tooth connection on 1/2N circumference is in the state that is connected with rear connection gear, then drives rear roller rotation, the first rove by
Rear roller is fed, the first rove after the drawing-off in the first break draft area between rear roller and middle roller effect with the second rove jointly again
Twisting obtains ring section coloured yarn section to the yarn that drawing-off through the front draft zone between front roller and middle roller acts on jointly, from
And complete the cycle of a cycle；Then, when connection gear turns over circumference of the 1/2N with tooth connection in second, connect in second
It connects gear and is in empty connection status with rear connection gear, namely return to original state, continue the cycle of next cycle, realize edge
Section color bunchy yarn length direction to be alternately arranged in base yarn section, ring section coloured yarn section.
The present invention is fed by the rear roller of spinning frame, middle roller respectively by using the first coloured rove, the second coloured rove
Enter, and be all made of the equiangularly spaced interruption gear with tooth connection of circumferential surface between middle roller and rear roller and be sequentially connected,
To realize the first coloured rove interruption feeding, while by interval angles selection realize the first coloured rove it is primary between
Every the length of feeding, to realize the controllable of slub length.
Description of the drawings
Fig. 1 is the device of the invention structural schematic diagram.
Specific implementation mode
As shown in Figure 1, a kind of section color bunchy yarn process units that slub length is controllable, including it is rear roller 1, middle roller 2, preceding
Roller 3, front roller 3 include front roller set and front roller axis 4, and front roller set integrated solid is scheduled on the surface of front roller axis, preceding sieve
It is solid construction to help pull a cart with front roller axis, is evenly distributed with screw thread on the surface of front roller set, the right end of front roller axis stretches out
The right end of front roller set, the right end of front roller axis is driven by main motor 7 to be rotated, and stretches out the right end of front roller set in front roller axis
On add before connection gear 8, be evenly distributed with tooth connection on a circumference on preceding connection gear surface, middle roller 2 is located at
The back upper place of front roller 3, middle roller 2 include middle roller set and middle roller axis 5, and middle roller set integrated solid is scheduled on middle roller axis
Surface, middle roller set and middle roller axis are solid construction, and screw thread is evenly distributed on the surface of middle roller set, middle roller axis
Right end stretches out the right end of middle roller set, is from left to right added in first successively on the right end that middle roller axis stretches out middle roller set
Connection gear 10 in connection gear 9, second is evenly distributed with tooth connection in first on a circumference on 9 surface of connection gear,
Connection gear and preceding connection gear are closely connected in first, the drawing-off times of the front draft zone between front roller 3 and middle roller 2
Number E1 determine by the gear ratio between the tooth connection and the tooth connection of preceding connection gear of connection gear in first, tooth connection in second
The excircle of wheel 10 is divided into 2N equal portions clockwise by equal angular, in second on the excircle of the wherein N equal portions of connection gear
It is evenly distributed with identical tooth connection, there is no the tooth connection to be in second on the excircle of the remaining N equal portions of connection gear
Smooth state, in second each equal portions excircle with tooth connection of connection gear and in smooth state each equal portions it is outer
Circumference is arranged alternately, and rear roller 1 is located at the back upper place of middle roller 2, and rear roller includes rear roller set and rear roller axis 6, rear sieve
Integrated solid of helping pull a cart is scheduled on the surface of rear roller axis, and rear roller set and rear roller axis are solid construction, in the table of rear roller set
Face is evenly distributed with screw thread, and the right end of rear roller axis stretches out the right end of rear roller set, stretches out the right side of rear roller set in rear roller axis
Rear connection gear 12 is added on end, is evenly distributed with tooth connection on a circumference on rear connection gear surface, is connected in second
Gear 10 is connect to connect with rear connection gear 11, connection gear 10 and rear connection gear 11 include two kinds of connection status in second, and one
It is the state of being connected, i.e., connects on the wherein excircle of an equal portions of connection gear in the tooth connection and second in rear connection gear
It connects tooth to be closely connected, the drafting multiple E2 in the first break draft area between middle roller and rear roller is by connection gear in second at this time
The N equal portions for wherein carrying tooth connection excircle on gear ratio between tooth connection and the tooth connection of rear connection gear determine,
Second is that empty connection status, i.e., after in tooth connection and second in connection gear a connection gear wherein equal portions in smooth state
Excircle does not connect, and the first horn mouth 12, the second horn mouth are added respectively in the surface of rear roller 1, middle roller 2
13, the first rove 14, the second rove 15 feed rear roller 1, middle roller 2 by the first horn mouth 12, the second horn mouth 13 respectively, the
One rove 14 and the second rove 15 are coloured rove, and the color of the first rove and the second rove is different.
Section color bunchy yarn includes base yarn section, ring section coloured yarn section, and base yarn section is the second rove 15 through front roller 3 and middle roller
The yarn that the drawing-off of front draft zone between 2 acts on is twisted, and ring section coloured yarn section is the first rove 14 through middle roller 2
It is common again through between front roller 3 and middle roller 2 with the second rove 15 after the drawing-off effect in the first break draft area between rear roller 1
The yarn that the drawing-off of front draft zone acts on is twisted, the equal length of the length and ring section coloured yarn section of base yarn section, base
The length of yarn section and the length of ring section coloured yarn section are equal to E1 × V2/ (2N), and wherein V2 indicates the linear velocity of middle roller, along section
Color bunchy yarn length direction is alternately arranged in base yarn section, ring section coloured yarn section, and when spinning, main motor 7 drives 4 turns of front roller axis
It is dynamic, then drive front roller set and preceding connection gear 8 to rotate synchronously, preceding connection gear 8 by be closely connected therewith the
Connection gear 9 drives middle roller axis 5 to rotate in one, then drives connection gear 10 in middle roller set and second to rotate, then band
Dynamic second rove 15 is continuously fed by middle roller 2, at this time under original state, in second connection gear 10 at rear connection gear 11
In empty connection status, rear roller 1 stops operating, and the first rove 14 stops feeding, and the second rove 15 is through front roller 3 and middle sieve at this time
The yarn that the drawing-off of the front draft zone between 2 acts on is drawn to obtain base yarn section through twisting；Then, connection gear 10 in second
When turning over 1/2N smooth circumferentials, the tooth connection in second on the 1/2N circumference of a wherein equal portions for connection gear 10 and rear tooth connection
Wheel 11 then drives rear roller 1 to rotate in the state that is connected, and the first rove 14 is fed by rear roller 1, the first rove 14 warp
It is common again through front roller 3 and middle roller with the second rove 15 after the drawing-off effect in the first break draft area between rear roller 1 and middle roller 2
Twisting obtains ring section coloured yarn section to the yarn that the drawing-off of front draft zone between 2 acts on jointly, to complete a cycle
Cycle；Then, when connection gear 10 turns over circumference of the 1/2N with tooth connection in second, connection gear 10 is with after in second
Connection gear 11 is in empty connection status, namely returns to original state, continues the cycle of next cycle, realizes along Duan Caizhu
Section yarn length direction is alternately arranged in base yarn section, ring section coloured yarn section.
Claims (2)
1. a kind of section color bunchy yarn process units that slub length is controllable, including rear roller, middle roller, front roller, in the rear
Roller, middle roller surface add the first horn mouth, the second horn mouth respectively, the first rove, the second rove are respectively by
One horn mouth, the second horn mouth feeding rear roller, middle roller, the first rove and the second rove are coloured rove, and first is thick
The color of yarn and the second rove is different, and the front roller includes front roller set and front roller axis, and the front roller covers integrated solid
It is scheduled on the surface of front roller axis, the front roller set and front roller axis are solid construction, equal on the surface of front roller set
Even that screw thread is distributed with, the right end of the front roller axis stretches out the right end of front roller set, and the right end of the front roller axis passes through main electricity
Machine drives rotation, connection gear before being added on the right end that the front roller axis stretches out front roller set, in the preceding tooth connection
Tooth connection is evenly distributed on one circumference of wheel surface, the middle roller is located at the back upper place of front roller, the middle roller packet
Middle roller set and middle roller axis are included, the middle roller set integrated solid is scheduled on the surface of middle roller axis, and the middle roller set is in
Roller shaft is solid construction, is evenly distributed with screw thread on the surface of middle roller set, the right end of the middle roller axis stretches out
The right end of middle roller set, connects in from left to right adding first successively on the right end that the middle roller axis stretches out middle roller set
Connection gear in gear, second, the rear roller are located at the back upper place of middle roller, and the rear roller includes rear roller set and rear sieve
Pulling shaft, the rear roller set integrated solid are scheduled on the surface of rear roller axis, and the rear roller set and rear roller axis are solid knot
Structure, the surface that roller covers in the rear are evenly distributed with screw thread, and the right end of the rear roller axis stretches out the right end of rear roller set,
The rear roller axis, which stretches out on the right end that rear roller covers, adds rear connection gear, in the rear connection gear surface a circle
Tooth connection is evenly distributed on week, it is characterised in that：It is uniformly distributed on a circumference on connection gear surface in described first
There is a tooth connection, connection gear and preceding connection gear are closely connected in described first, between the front roller and middle roller
The drafting multiple E1 of front draft zone is by the gear ratio between the tooth connection and the tooth connection of preceding connection gear of connection gear in first
It determines, the excircle of connection gear is divided into 2N equal portions clockwise by equal angular in described second, the tooth connection in described second
It is evenly distributed with identical tooth connection on the excircle of the wherein N equal portions of wheel, the remaining N of connection gear in described second
It is in smooth state not have tooth connection on the excircle of equal portions, in described second connection gear with tooth connection it is each it is equal especially
It circumference and is arranged alternately in the excircle of each equal portions of smooth state, connection gear connects with rear connection gear in described second
It connects, the drafting multiple E2 in the first break draft area between the middle roller and rear roller wherein carries connection by connection gear in second
Gear ratio on the excircle of the N equal portions of tooth between tooth connection and the tooth connection of rear connection gear determines, is connected in described second
Gear and rear connection gear include two kinds of connection status, first, the state that is connected, i.e., after tooth connection in connection gear and the
Tooth connection is closely connected on the wherein excircle of an equal portions of connection gear in two, second is that empty connection status, i.e., after connect
The excircle in smooth state of a connection gear wherein equal portions does not connect in tooth connection and second on gear.
2. a kind of based on a kind of section color bunchy yarn for the section color bunchy yarn process units that slub length is controllable described in claim 1
Production method, it is characterised in that：Section color bunchy yarn includes base yarn section, ring section coloured yarn section, and the base yarn section passes through for the second rove
The yarn that the drawing-off of front draft zone between front roller and middle roller acts on is twisted, the ring section coloured yarn Duan Wei
One rove through the first break draft area between middle roller and rear roller drawing-off effect after with the second rove jointly again through front roller and in
The yarn that the drawing-off of front draft zone between roller acts on is twisted, the length and ring section coloured yarn section of the base yarn section
Equal length, the length of the base yarn section and the length of ring section coloured yarn section are equal to E1 × V2/ (2N), sieve during wherein V2 is indicated
The linear velocity of drawing is alternately arranged along section color bunchy yarn length direction in base yarn section, ring section coloured yarn section, when spinning, main motor
It drives front roller shaft rotation dynamic, front roller set and preceding connection gear is then driven to rotate synchronously, preceding connection gear passes through close therewith
Connection gear drives middle roller shaft rotation dynamic in first to be connected, and tooth connection in middle roller set and second is then driven to rotate
It is dynamic, then drive the second rove to be continuously fed by middle roller, at this time under original state, connection gear and rear connection gear in second
In empty connection status, rear roller stops operating, and the first rove stops feeding, at this time the second rove through front roller and middle roller it
Between the yarn that acts on of drawing-off of front draft zone obtain base yarn section through twisting；Then, connection gear turns over 1/ in second
When 2N smooth circumferentials, the tooth connection in second on the 1/2N circumference of a wherein equal portions for connection gear is in contract with rear connection gear
Close connection status, then drive rear roller rotation, the first rove feeds by rear roller, the first rove through rear roller and middle roller it
Between first break draft area drawing-off effect after the drawing-off again through the front draft zone between front roller and middle roller jointly with the second rove
Acting on obtained yarn, twisting obtains ring section coloured yarn section jointly, to complete the cycle of a cycle；Then, connect in second
When connecing gear and turning over 1/2N and carry the circumference of tooth connection, connection gear is in empty connection status with rear connection gear in second,
Original state is returned to, the cycle of next cycle is continued, is realized along section color bunchy yarn length direction in base yarn section, ring section
Color yarn section is alternately arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249356.2A CN106884242B (en) | 2017-04-17 | 2017-04-17 | A kind of section color bunchy yarn process units that slub length is controllable and production method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710249356.2A CN106884242B (en) | 2017-04-17 | 2017-04-17 | A kind of section color bunchy yarn process units that slub length is controllable and production method |
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| Publication Number | Publication Date |
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| CN106884242A CN106884242A (en) | 2017-06-23 |
| CN106884242B true CN106884242B (en) | 2018-10-26 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170865A (en) * | 1978-03-10 | 1979-10-16 | J. P. Stevens & Co., Inc. | Yarn slubbing device |
| CN2729104Y (en) * | 2004-08-11 | 2005-09-28 | 上海日舒棉纺织厂 | Satin color spinning driving device |
| CN102493036A (en) * | 2011-12-15 | 2012-06-13 | 江南大学 | Method for optimizing segment color effect of segment-colored slub yarns |
| CN105714429A (en) * | 2016-04-06 | 2016-06-29 | 江苏联宏纺织有限公司 | Mechanical segment-colour yarn production device and rear roller driving gear setting method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201420979D0 (en) * | 2014-11-26 | 2015-01-07 | Coats Ltd J & P | Regia Pairfect |
-
2017
- 2017-04-17 CN CN201710249356.2A patent/CN106884242B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4170865A (en) * | 1978-03-10 | 1979-10-16 | J. P. Stevens & Co., Inc. | Yarn slubbing device |
| CN2729104Y (en) * | 2004-08-11 | 2005-09-28 | 上海日舒棉纺织厂 | Satin color spinning driving device |
| CN102493036A (en) * | 2011-12-15 | 2012-06-13 | 江南大学 | Method for optimizing segment color effect of segment-colored slub yarns |
| CN105714429A (en) * | 2016-04-06 | 2016-06-29 | 江苏联宏纺织有限公司 | Mechanical segment-colour yarn production device and rear roller driving gear setting method |
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| CN106884242A (en) | 2017-06-23 |
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Address after: 272000 No.21 Taikang street, Weishan Economic Development Zone, Jining City, Shandong Province Patentee after: Weishan Hongwei Textile Technology Co.,Ltd. Address before: 272000 No.21 Taikang street, Weishan Economic Development Zone, Jining City, Shandong Province Patentee before: Weishan Tianhong Technology Co.,Ltd. |