CN108792705A - A kind of composite material production wrap-up - Google Patents
A kind of composite material production wrap-up Download PDFInfo
- Publication number
- CN108792705A CN108792705A CN201810646317.0A CN201810646317A CN108792705A CN 108792705 A CN108792705 A CN 108792705A CN 201810646317 A CN201810646317 A CN 201810646317A CN 108792705 A CN108792705 A CN 108792705A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- composite material
- mounting
- slide
- pedestal
- 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
- 239000002131 composite material Substances 0.000 title claims abstract description 42
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 21
- 244000309464 bull Species 0.000 claims abstract description 11
- 230000003028 elevating effect Effects 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 239000004744 fabric Substances 0.000 abstract description 8
- 238000004804 winding Methods 0.000 abstract description 6
- 230000035939 shock Effects 0.000 abstract description 3
- 210000000515 tooth Anatomy 0.000 description 7
- 239000000428 dust Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000037433 frameshift Effects 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/10—Mechanisms in which power is applied to web-roll spindle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H18/00—Winding webs
- B65H18/02—Supporting web roll
- B65H18/028—Both ends type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/174—Textile; fibres
Landscapes
- Brushes (AREA)
Abstract
The invention discloses a kind of composite material production wrap-ups, including pedestal, symmetrically arranged mounting plate there are two being fixedly connected above the pedestal, it is rotatably connected to bull stick between two mounting plates, it is arranged with reel on the bull stick, driving motor is fixedly connected on one of them described mounting plate.The present invention can drive elevating mechanism to lift slide by the way that transmission mechanism is arranged, slide moves that installing frame is driven to move, installing frame movement is to can adjust the height of the deashing mechanism in installing frame, to which the convenient fabric in wrapup procedure carries out deashing, so that the composite material after winding is cleaner;It can be facilitated to the slide plate progress bumper and absorbing shock in deashing process by the way that the first spring is arranged in the top of slide plate, so that composite material is when carrying out deashing, composite material will not closely be contacted with bristle, so that composite material is not easy to be scratched by bristle, to not influence the quality of composite material.
Description
Technical field
The present invention relates to composite material winding device technical field more particularly to a kind of composite material production winding dresses
It sets.
Background technology
Composite material is by one or more layers textile material, non-woven material and other functional materials through bonding made of fitting
A kind of new material.It is suitble to do sofa, the textiles such as clothes are that people live one of indispensable fabric at home.
Composite material needs to wind it in process of production, but existing composite material is in process of production,
Dust and fabric leftover pieces are often saved bit by bit on fabric, to influence the clean level of composite material.
Invention content
The purpose of the present invention is to solve composite material existing in the prior art need in process of production to its into
Row winding, but existing composite material is in process of production, and dust and fabric leftover pieces are often saved bit by bit on fabric, to shadow
The shortcomings that ringing the clean level of composite material, and a kind of composite material production wrap-up proposed.
To achieve the goals above, present invention employs following technical solutions:
A kind of composite material production wrap-up, including pedestal, are fixedly connected with that there are two be symmetrical arranged above the pedestal
Mounting plate, be rotatably connected to bull stick between two mounting plates, be arranged with reel on the bull stick, one of them described peace
Driving motor is fixedly connected in loading board, the driving end of the driving motor is fixedly connected through mounting plate and with bull stick, described
The side of reel, which is equipped with, is fixedly connected on mounting cup on pedestal, is fixedly connected with that there are two be symmetrical arranged on the upside of the mounting cup
Mounting bracket, slide is connected with by elevating mechanism in the mounting bracket, installing frame is fixedly connected between two slides,
It is equipped with deashing mechanism in the installing frame, transmission mechanism corresponding with elevating mechanism is equipped in the mounting cup.
Preferably, the elevating mechanism includes the lead screw being rotatably connected in mounting bracket, is offered in the slide and silk
The corresponding thread groove of bar, side of the slide far from installing frame are fixedly connected with multiple first sliding blocks, the mounting bracket inner wall
Offer the first sliding groove corresponding with the first sliding block.
Preferably, the transmission mechanism includes the main shaft for being rotatably connected on bottom in mounting cup, the main shaft
On be arranged with main transmission wheel, the lower end of the main shaft sequentially passes through mounting cup bottom and pedestal and is fixedly connected with turntable,
The both sides of the main transmission wheel are equipped with sub- transmission wheel, and sub- transmission shaft is socketed in the sub- transmission wheel, the sub- transmission shaft
Lower end is connect with lower rotation in mounting cup, and the upper end of the sub- transmission shaft sequentially passes through mounting cup top and mounting bracket bottom simultaneously
It is fixedly connected with lead screw, by transmitting band connection between the main transmission wheel and sub- transmission wheel.
Preferably, the deashing mechanism includes slide plate, and the both sides of the slide plate have been fixedly connected with the second sliding block, the peace
The inner wall that frames up offers second sliding slot corresponding with the second sliding block, and the upside of the slide plate passes through multiple first springs and installing frame
Inner top connects, and bristle is fixedly connected on the downside of the slide plate.
Preferably, external toothing is arranged on the main shaft, the side of the external toothing, which is equipped with, is fixedly connected on pedestal
The fixed plate of downside, side of the fixed plate far from external toothing are connected with T-type pull rod, the pull rod by multiple first springs
End through fixed plate and be fixedly connected with limiting plate, side of the limiting plate far from T-type pull rod be fixedly connected with outside
The corresponding limiting tooth of gear ring.
Preferably, it is mounted on universal wheel at the bottom four corners of the pedestal.
Beneficial effects of the present invention are:
1, elevating mechanism can be driven to lift slide by the way that transmission mechanism is arranged, slide moves that installation is driven to frame shift
It is dynamic, installing frame movement to the deashing mechanism in adjustable installing frame height, to it is convenient to the fabric in wrapup procedure into
Row deashing, so that the composite material after winding is cleaner;
2, can be facilitated to the slide plate progress bumper and absorbing shock in deashing process, to make by the way that the first spring is arranged in the top of slide plate
Composite material is obtained when carrying out deashing, composite material will not closely be contacted with bristle, so that composite material is not easy
It is scratched by bristle, to not influence the quality of composite material.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of composite material production wrap-up proposed by the present invention;
Fig. 2 is the structural schematic diagram at A in Fig. 1;
Fig. 3 is the structural schematic diagram at B in Fig. 1.
In figure:1 pedestal, 2 mounting plates, 3 driving motors, 4 reels, 5 main transmission wheels, 6 sub- transmission wheels, 7 conveyer belts, 8 installations
Frame, 9 lead screws, 10 slides, 11 installing frames, 12 first springs, 13 slide plates, 14 bristles, 15 fixed plates, 16 T-type pull rods, 17 first
Spring, 18 limiting plates, 19 external toothings, 20 mounting cups.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1-3, a kind of composite material production wrap-up, including pedestal 1 are pacified at the bottom four corners of pedestal 1
Equipped with universal wheel, be moved easily, the top of pedestal 1 is fixedly connected there are two symmetrically arranged mounting plate 2, two mounting plates 2 it
Between be rotatably connected to bull stick, reel 4 is arranged on bull stick, driving motor 3 is fixedly connected on one of mounting plate 2, drive
The driving end of motor 3 is fixedly connected through mounting plate 2 and with bull stick, and the rotation of driving motor 3 drives bar rotation, bar rotation band
Movable reel 4 rotates, and the rotation of reel 4 drives composite material movement, to achieve the purpose that winding.
The side of reel 4 is equipped with the mounting cup 20 being fixedly connected on pedestal 1, and the upside of mounting cup 20 is fixedly connected with two
A symmetrically arranged mounting bracket 8, mounting bracket 8 is interior to be connected with slide 10 by elevating mechanism, and elevating mechanism includes being rotatably connected on
Lead screw 9 in mounting bracket 8 offers thread groove corresponding with lead screw 9 in slide 10, and the rotation of lead screw 9 drives slide 10 to move, sliding
10 sides far from installing frame 11 of seat are fixedly connected with multiple first sliding blocks, and 8 inner wall of mounting bracket offers corresponding with the first sliding block
The first sliding groove, the first sliding block and the first sliding groove are the rotations of slide 10 in order to prevent.
It is fixedly connected with installing frame 11 between two slides 10, is equipped with deashing mechanism in installing frame 11, deashing mechanism includes
The both sides of slide plate 13, slide plate 1 have been fixedly connected with the second sliding block, and 11 inner wall of installing frame offers corresponding with the second sliding block second
The upside of sliding slot, slide plate 13 is connect by multiple first springs 12 with 11 inner top of installing frame, and the downside of slide plate 13 is fixedly connected
There are bristle 14, composite material to be moved in installing frame 11, the dust on its surface is carried out by the bristle 14 of 13 lower section of slide plate clear
It removes, so that composite material is cleaner, the first spring 12 can facilitate carries out bumper and absorbing shock to the slide plate 13 in deashing process,
So that composite material, when carrying out deashing, composite material will not closely be contacted with bristle 14, so that compound
Fabric is not easy to be scratched by bristle 14.
Transmission mechanism corresponding with elevating mechanism is equipped in mounting cup 20, transmission mechanism includes being rotatably connected on mounting cup 20
The main shaft of interior bottom is arranged with main transmission wheel 5 on main shaft, and the lower end of main shaft sequentially passes through 20 bottom of mounting cup
With pedestal 1 and be fixedly connected with turntable, the both sides of main transmission wheel 5 are equipped with sub- transmission wheel 6, and sub- biography is socketed in sub- transmission wheel 6
The lower end of moving axis, sub- transmission shaft is connect with lower rotation in mounting cup 20, and the upper end of sub- transmission shaft sequentially passes through the top of mounting cup 20
Portion and 8 bottom of mounting bracket are simultaneously fixedly connected with lead screw 9, are connected by conveyer belt 7 between main transmission wheel 5 and sub- transmission wheel 6, rotation
Turntable, turntable rotation drive main shaft rotation, main shaft rotation that main transmission wheel 5 is driven to rotate, and the rotation of main transmission wheel 5 drives
Conveyer belt 7 rotates, and the rotation band mover of conveyer belt 7 transmission wheel 6 rotates, and the rotation band mover transmission shaft of sub- transmission wheel 6 rotates, sub- transmission
Shaft rotation is dynamic to drive lead screw 9 to rotate.
External toothing 19 is arranged on main shaft, the side of external toothing 19 is equipped with the fixation for being fixedly connected on 1 downside of pedestal
Plate 15, side of the fixed plate 15 far from external toothing 19 are connected with T-type pull rod 16, the end of pull rod 16 by multiple first springs 17
Through fixed plate 15 and it is fixedly connected with limiting plate 18, side of the limiting plate 18 far from T-type pull rod 16 is fixedly connected with and external tooth
19 corresponding limiting tooths are enclosed, pull T-type pull rod 16 so that the limiting tooth on limiting plate 18 is not engaged with external toothing 19, at this time may be used
Rotate turntable;After adjusting good position, T-type pull rod 16 is unclamped, since the elastic force effect of the first spring 12 can drive limiting plate 18
On limiting tooth engaged with external toothing 19, the position of main shaft can be defined at this time, it is made not invert.
In the present invention, first by composite material around being located on reel 4, installation is adjusted according to the position of composite material at this time
The position of frame 11 pulls T-type pull rod 16 so that the limiting tooth on limiting plate 18 is not engaged with external toothing 19, can be turned at this time first
Turn disk, turntable rotation drive main shaft rotation, main shaft rotation that main transmission wheel 5 is driven to rotate, and main transmission wheel 5 rotates band
Dynamic conveyer belt 7 rotates, and the rotation band mover of conveyer belt 7 transmission wheel 6 rotates, and the rotation band mover transmission shaft of sub- transmission wheel 6 rotates, sub- biography
Moving axis rotation drives lead screw 9 to rotate, and the rotation of lead screw 9 drives slide 10 to move, and after adjusting good position, unclamps T-type pull rod 16, by
The limiting tooth on limiting plate 18 can be driven to be engaged with external toothing 19 in the elastic force effect of the first spring 12, it at this time can be to main shaft
Position be defined, so that it is not inverted, at this time driving motor 3 rotation drive bar rotation, bar rotation band 4 turns of movable reel
Dynamic, the rotation of reel 4 drives composite material movement, composite material to be moved in installing frame 11, by the bristle 14 of 13 lower section of slide plate
The dust on its surface is purged, so that composite material is cleaner.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of composite material production wrap-up, including pedestal(1), which is characterized in that the pedestal(1)Top fix
There are two symmetrically arranged mounting plates for connection(2), two mounting plates(2)Between be rotatably connected to bull stick, on the bull stick
It is arranged with reel(4), one of them described mounting plate(2)On be fixedly connected with driving motor(3), the driving motor(3)'s
End is driven to run through mounting plate(2)And it is fixedly connected with bull stick, the reel(4)Side be equipped be fixedly connected on pedestal(1)On
Mounting cup(20), the mounting cup(20)Upside be fixedly connected there are two symmetrically arranged mounting bracket(8), the mounting bracket
(8)It is interior that slide is connected with by elevating mechanism(10), two slides(10)Between be fixedly connected with installing frame(11), described
Installing frame(11)It is interior to be equipped with deashing mechanism, the mounting cup(20)It is interior to be equipped with transmission mechanism corresponding with elevating mechanism.
2. a kind of composite material production wrap-up according to claim 1, which is characterized in that the elevating mechanism packet
It includes and is rotatably connected on mounting bracket(8)Interior lead screw(9), the slide(10)It inside offers and lead screw(9)Corresponding thread groove, institute
State slide(10)Far from installing frame(11)Side be fixedly connected with multiple first sliding blocks, the mounting bracket(8)Inner wall offers
The first sliding groove corresponding with the first sliding block.
3. a kind of composite material production wrap-up according to claim 2, which is characterized in that the transmission mechanism packet
It includes and is rotatably connected on mounting cup(20)The main shaft of interior bottom is arranged with main transmission wheel on the main shaft(5), the master
The lower end of transmission shaft sequentially passes through mounting cup(20)Bottom and pedestal(1)And it is fixedly connected with turntable, the main transmission wheel(5)'s
Both sides are equipped with sub- transmission wheel(6), the sub- transmission wheel(6)Inside it is socketed with sub- transmission shaft, the lower end of the sub- transmission shaft and peace
Dress cover(20)Interior lower rotation connection, the upper end of the sub- transmission shaft sequentially passes through mounting cup(20)Top and mounting bracket(8)Bottom
Portion and and lead screw(9)It is fixedly connected, the main transmission wheel(5)With sub- transmission wheel(6)Between pass through conveyer belt(7)Connection.
4. a kind of composite material production wrap-up according to claim 1, which is characterized in that the deashing mechanism packet
Include slide plate(13), the slide plate(1)Both sides be fixedly connected with the second sliding block, the installing frame(11)Inner wall offers and the
The corresponding second sliding slot of two sliding blocks, the slide plate(13)Upside pass through multiple first springs(12)With installing frame(11)Inner top
Connection, the slide plate(13)Downside be fixedly connected with bristle(14).
5. a kind of composite material production wrap-up according to claim 3, which is characterized in that on the main shaft
It is arranged with external toothing(19), the external toothing(19)Side be equipped be fixedly connected on pedestal(1)The fixed plate of downside(15), institute
State fixed plate(15)Far from external toothing(19)Side pass through multiple first springs(17)It is connected with T-type pull rod(16), the drawing
Bar(16)End run through fixed plate(15)And it is fixedly connected with limiting plate(18), the limiting plate(18)Far from T-type pull rod
(16)Side be fixedly connected with and external toothing(19)Corresponding limiting tooth.
6. a kind of composite material production wrap-up according to claim 1, which is characterized in that the pedestal(1)'s
Universal wheel is mounted at bottom four corners.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810646317.0A CN108792705A (en) | 2018-06-21 | 2018-06-21 | A kind of composite material production wrap-up |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810646317.0A CN108792705A (en) | 2018-06-21 | 2018-06-21 | A kind of composite material production wrap-up |
Publications (1)
Publication Number | Publication Date |
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CN108792705A true CN108792705A (en) | 2018-11-13 |
Family
ID=64084258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201810646317.0A Pending CN108792705A (en) | 2018-06-21 | 2018-06-21 | A kind of composite material production wrap-up |
Country Status (1)
Country | Link |
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CN (1) | CN108792705A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113086704A (en) * | 2021-03-30 | 2021-07-09 | 威海宝威新材料科技有限公司 | Be used for carbon fiber preimpregnation material to roll up device |
CN113862855A (en) * | 2021-11-04 | 2021-12-31 | 沛县振兴纺织有限公司 | Spandex core-spun yarn production device and technology |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994016137A1 (en) * | 1993-01-14 | 1994-07-21 | Kabushiki Kaisha Nca | Apparatus for automatically matching patterns on cloth |
CN203865649U (en) * | 2014-05-25 | 2014-10-08 | 常州市星龙滚针轴承制造有限责任公司 | Clean winding machine |
CN106564771A (en) * | 2016-11-14 | 2017-04-19 | 无锡市乾泰金属构件厂 | Steel strip take-up machine capable of cleaning front and back sides of steel strip |
CN106829579A (en) * | 2017-03-30 | 2017-06-13 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of wrap-up for PVC artificial leather production and processing |
CN106882623A (en) * | 2017-04-18 | 2017-06-23 | 祝文浩 | A kind of cloth wrap-up of dedusting correction |
CN106915644A (en) * | 2017-03-08 | 2017-07-04 | 孟书芳 | A kind of cloth wrap-up of the weaving with dedusting function |
CN107310953A (en) * | 2017-07-03 | 2017-11-03 | 叶丛杰 | A kind of deduster |
CN206902312U (en) * | 2017-05-26 | 2018-01-19 | 杭州泰辰新材料科技有限公司 | A kind of dacron thread reel location adjusting device |
CN107701877A (en) * | 2017-11-22 | 2018-02-16 | 成都智齐科技有限公司 | The interim mounting bracket of electric power facility of easy disassembly |
CN208814316U (en) * | 2018-06-21 | 2019-05-03 | 江苏鸿华特种装备有限公司 | Wrap-up is used in a kind of production of composite material |
-
2018
- 2018-06-21 CN CN201810646317.0A patent/CN108792705A/en active Pending
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1994016137A1 (en) * | 1993-01-14 | 1994-07-21 | Kabushiki Kaisha Nca | Apparatus for automatically matching patterns on cloth |
CN203865649U (en) * | 2014-05-25 | 2014-10-08 | 常州市星龙滚针轴承制造有限责任公司 | Clean winding machine |
CN106564771A (en) * | 2016-11-14 | 2017-04-19 | 无锡市乾泰金属构件厂 | Steel strip take-up machine capable of cleaning front and back sides of steel strip |
CN106915644A (en) * | 2017-03-08 | 2017-07-04 | 孟书芳 | A kind of cloth wrap-up of the weaving with dedusting function |
CN106829579A (en) * | 2017-03-30 | 2017-06-13 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of wrap-up for PVC artificial leather production and processing |
CN106882623A (en) * | 2017-04-18 | 2017-06-23 | 祝文浩 | A kind of cloth wrap-up of dedusting correction |
CN206902312U (en) * | 2017-05-26 | 2018-01-19 | 杭州泰辰新材料科技有限公司 | A kind of dacron thread reel location adjusting device |
CN107310953A (en) * | 2017-07-03 | 2017-11-03 | 叶丛杰 | A kind of deduster |
CN107701877A (en) * | 2017-11-22 | 2018-02-16 | 成都智齐科技有限公司 | The interim mounting bracket of electric power facility of easy disassembly |
CN208814316U (en) * | 2018-06-21 | 2019-05-03 | 江苏鸿华特种装备有限公司 | Wrap-up is used in a kind of production of composite material |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113086704A (en) * | 2021-03-30 | 2021-07-09 | 威海宝威新材料科技有限公司 | Be used for carbon fiber preimpregnation material to roll up device |
CN113862855A (en) * | 2021-11-04 | 2021-12-31 | 沛县振兴纺织有限公司 | Spandex core-spun yarn production device and technology |
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WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181113 |
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