CN212101146U - Coiling mechanism is used in production of high strength geomembrane - Google Patents
Coiling mechanism is used in production of high strength geomembrane Download PDFInfo
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- CN212101146U CN212101146U CN202020632022.0U CN202020632022U CN212101146U CN 212101146 U CN212101146 U CN 212101146U CN 202020632022 U CN202020632022 U CN 202020632022U CN 212101146 U CN212101146 U CN 212101146U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 title claims abstract description 10
- 238000003825 pressing Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 23
- 238000004804 winding Methods 0.000 claims description 12
- 238000005056 compaction Methods 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 10
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 8
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 8
- 241001330002 Bambuseae Species 0.000 abstract description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 8
- 239000011425 bamboo Substances 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 4
- 238000012856 packing Methods 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 6
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- 239000002985 plastic film Substances 0.000 description 3
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- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
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- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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Abstract
The utility model discloses a coiling mechanism is used in production of high strength geomembrane relates to geomembrane production technical field. The utility model discloses a collet, first support bracket and second support bracket, baffle and the first square pole clearance fit in the collet are connected, first spring and baffle butt in the collet, and first limiting plate in the collet is connected with the baffle laminating, the lower part and the bottom plate fixed connection of baffle, the upper portion of bottom plate and the support column fixed connection in first support bracket and the second support bracket, first support bracket is the same with the structure of second support bracket. The utility model discloses a collet, first support bracket and second support bracket that set up have solved current coiling device and have been very inconvenient when the installation with dismantle a section of thick bamboo core, lead to operating personnel's work efficiency greatly reduced, and current coiling device is when convoluteing the geomembrane simultaneously, and the phenomenon of very easy production hollowing leads to coiling the geomembrane of lapping closely knit inadequately for the degree of difficulty of geomembrane packing increases etc. not enoughly.
Description
Technical Field
The utility model belongs to the technical field of the geomembrane production, especially, relate to a coiling mechanism is used in production of high strength geomembrane.
Background
The geomembrane is a waterproof barrier material taking a high molecular polymer as a basic raw material, the geomembrane is a geomembrane anti-seepage material which is compounded by taking a plastic film as an anti-seepage base material and non-woven fabrics, and the anti-seepage performance of the geomembrane mainly depends on the anti-seepage performance of the plastic film. Plastic films for domestic and overseas anti-seepage application mainly comprise polyvinyl chloride (PVC), Polyethylene (PE) and EVA (ethylene/vinyl acetate copolymer), ECB (ethylene vinyl acetate modified asphalt blended geomembrane) is also designed and used in tunnel application, the ECB is a high-molecular chemical flexible material, has small specific gravity, strong extensibility, high adaptive deformability, corrosion resistance, low temperature resistance and good freezing resistance, and the geomembrane needs to be wound by using a winding device in the production process, but the existing winding device is very inconvenient in mounting a drum core, so that the working efficiency of operators is greatly reduced, and meanwhile, when the existing winding device is used for winding the geomembrane, the phenomenon of hollowing is very easy to generate, so that the geomembrane wound into a roll is not compact enough, the difficulty of geomembrane packaging is increased, and therefore the ECB is necessarily improved, so as to solve the defects of the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a coiling mechanism is used in production of high strength geomembrane, through the compactor that sets up, first support bracket and second support bracket, it is very inconvenient when installation and dismantlement section of thick bamboo core to have solved current coiling mechanism, lead to operating personnel's work efficiency greatly reduced, current coiling mechanism is when coiling the geomembrane simultaneously, very produce the phenomenon of hollowing easily, the geomembrane that leads to coiling the lapping is tight reality inadequately, make the degree of difficulty of geomembrane packing increase etc. not enough.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a coiling mechanism for high strength geomembrane production, including baffle, collet, first support bracket and second support bracket, the baffle is connected with the clearance fit of the first square pole in the collet, and the baffle is the part that the device is used for bearing the collet, the first spring in the collet is butted with the baffle, first limiting plate in the collet is connected with the baffle laminating, the lower part of baffle is fixedly connected with the bottom plate, the collet is the part that the device is used for compressing tightly geotechnological cloth, can effectively avoid the device to appear hollowing when coiling geotechnological cloth, the upper portion of bottom plate is fixedly connected with the support column in first support bracket and the second support bracket, the bottom plate is the part that the device is used for bearing baffle, first support bracket and second support bracket, first support bracket is the same with the structure of second support bracket, first support bracket and second support bracket are the part that the device is used for supporting a section of thick bamboo core, and the first support bracket and the second support bracket can realize quick assembly and disassembly of the cylinder core, a support plate is fixedly connected to the middle part of the support column in the first support bracket, the support plate is a part for mounting a motor, the upper part of the support plate is fixedly connected with the motor, the motor is a power output part of the device, a drive belt pulley is fixedly connected to an output shaft of the motor, and the drive belt pulley can drive a belt gear to rotate through a transmission belt.
Furthermore, the first support bracket comprises a buffer, a hand wheel, an overturning pressing strip, a base, a support column, a first support seat, a driving wheel and a connecting tongue, the left side of the upper part of the base is fixedly connected with the connecting tongue, the base is a main body component of the first support bracket, the connecting tongue is a component of the base used for being connected with the overturning pressing strip, the connecting tongue is rotatably connected with the overturning pressing strip through a rotating shaft, the overturning pressing strip is a bearing component of the buffer, the buffer is arranged on the overturning pressing strip, the buffer can press the connecting shaft of the barrel core to extrude to avoid the barrel core from jumping, the overturning pressing strip is rotatably connected with the base through the hand wheel, the hand wheel can fix the overturning pressing strip and the base together, the first support seat is fixedly connected in a groove of the base and is a bearing component of the driving wheel, the first support seat is rotatably connected with the driving wheel, the drive wheel can rotate a section of thick bamboo core under the drive of drive wheel, the bottom fixedly connected with support column of base, the support column can prop up the base, makes this device enough operating space when convoluteing geotechnological cloth.
Further, the buffer comprises a second spring, a second wheel seat, a second pressing wheel, a second square rod and a second limiting plate, the buffer can be automatically adapted according to the size of a connecting shaft arranged at two ends of the cylinder core, the application range of the device is widened, the lower portion of the second limiting plate is fixedly connected with one end of the second square rod, the second limiting plate can prevent the buffer from falling off from the overturning batten, the second square rod can enable the buffer to perform piston motion on the overturning batten, the other end of the second square rod penetrates through the overturning batten and is fixedly connected with the second wheel seat, the second square rod is sleeved with the second spring, the second spring can enable the buffer to have the self-adjusting capacity, the second square rod and the overturning batten are in clearance fit, the second wheel seat is rotatably connected with the second pressing wheel through a rotating shaft, and the second wheel seat is a component used for being connected with the second square rod, the second pinch roller can extrude the connecting shafts at the two ends of the cylinder core.
Furthermore, the compactor comprises a first compaction wheel, a first wheel seat, a connecting plate, a first spring, a first square rod and a first limiting plate, wherein the first wheel seat is fixedly connected to the upper portion of the connecting plate, the connecting plate is a bearing part of the first wheel seat, and meanwhile, the first spring can have more operating spaces, the first wheel seat is rotatably connected with the first compaction wheel through a rotating shaft, the first wheel seat is a part for fixedly connecting the first compaction wheel with the connecting plate, the first compaction wheel can compact the geomembrane on the cylinder core, the lower portion of the connecting plate is fixedly connected with one end of the first square rod, the first square rod can enable the compactor to perform piston motion on the baffle, the first spring is sleeved on the first square rod and can enable the compactor to have the self-adjusting capacity, and the other end of the first square rod penetrates through the baffle and is fixedly connected with the first limiting plate, the first limiting plate can avoid the compactor to drop from the baffle.
Further, the driving belt wheel is connected with the belt gear through the driving belt, the driving belt is a part used for transmitting kinetic energy between the driving belt wheel and the belt gear, the belt gear is meshed with the transmission gear, the belt gear can drive the transmission gear to rotate, the transmission gear is fixedly connected with one end of the connecting shaft, the other end of the connecting shaft is fixedly connected with the driving wheel, and then the transmission gear can drive the driving wheel to rotate through the connecting shaft.
Furthermore, the bottom of the groove of the base is fixedly connected with a second supporting seat, the second supporting seat is a bearing part of a driving wheel, a transmission gear and a belt gear, the second supporting seat is rotatably connected with a connecting shaft fixedly connected with the driving wheel through a bearing, the driving wheel is mutually abutted with the transmission gear, the driving wheel can drive the transmission gear to rotate, the second supporting seat is rotatably connected with the belt gear through a rotating shaft, and the belt gear can drive the transmission gear to rotate.
The utility model discloses following beneficial effect has:
1. the utility model discloses a perfect solution of the first support bracket and the second support bracket that set up current winding device at the installation with dismantle the section of thick bamboo core convenient and fast efficient problem, the user will twist soon can come the upset layering upset after twisting the hand wheel and unscrewing, then can install and dismantle the section of thick bamboo core for the installation and the dismantlement of section of thick bamboo core become quick and high-efficient, by a wide margin improvement operating personnel's work efficiency, the output of enterprise has been improved, the human cost of enterprise has been reduced.
2. The utility model discloses a current coiling device of perfect solution of the compactor that sets up is when convoluteing the geomembrane, very produce the phenomenon of hollowing easily, this device is when convoluteing the geomembrane, the compactor carries out the butt with the section of thick bamboo core of installing between first support bracket and second support bracket, carry out the butt through the compactor to the geomembrane and compress tightly, make the geomembrane of this device coiling can not produce the phenomenon of hollowing, and then make the geomembrane of this device coiling very tight reality, the packer of being convenient for packs it, the packing degree of difficulty of the geomembrane of having reduced the production completion, packing staff's work efficiency of acceleration.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic side view of the winding device for producing a high-strength geomembrane of the present invention;
fig. 2 is a schematic top view of the winding device for producing the high-strength geomembrane of the present invention;
fig. 3 is a schematic structural view of the compactor of the present invention;
FIG. 4 is a schematic view of a first support bracket of the present invention;
FIG. 5 is a schematic view of a buffer according to the present invention;
FIG. 6 is a schematic view of the structure of FIG. 4 according to the present invention;
fig. 7 is a schematic top view of the motor of the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. a baffle plate; 2. a compactor; 3. a base plate; 4. a support plate; 5. a motor; 6. a first support bracket; 7. a second support bracket; 8. a first pinch roller; 9. a first wheel seat; 10. a connecting plate; 11. a first spring; 12. a first square bar; 13. a first limit plate; 14. a buffer; 15. a hand wheel; 16. turning over the layering; 17. a base; 18. a support pillar; 19. a first support base; 20. a driving wheel; 21. a connecting tongue; 22. a second spring; 23. a second wheel seat; 24. a second pinch roller; 25. a second square bar; 26. a second limiting plate; 27. a drive wheel; 28. a transmission gear; 29. a second support base; 30. a belt gear; 31. a drive belt; 32. a drive pulley.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-7, the utility model relates to a high strength is coiling mechanism for geomembrane production, including baffle 1, collet 2, first support bracket 6 and second support bracket 7, baffle 1 and the first square pole 12 clearance fit in collet 2 are connected, the first spring 11 in collet 2 and baffle 1 butt, the first limiting plate 13 in collet 2 and baffle 1 laminating connection, the lower part of baffle 1 and bottom plate 3 fixed connection, the upper part of bottom plate 3 and the support column 18 in first support bracket 6 and second support bracket 7 fixed connection, first support bracket 6 and second support bracket 7 are the same in structure, the middle part of the support column 18 in first support bracket 6 is fixedly connected with support plate 4, the upper part of support plate 4 is fixedly connected with motor 5, the output shaft of motor 5 is fixedly connected with driving pulley 32, driving pulley 32 is connected with belt gear 30 through driving belt 31, the belt gear 30 is meshed with the transmission gear 28, the transmission gear 28 is fixedly connected with one end of the connecting shaft, the other end of the connecting shaft is fixedly connected with the driving wheel 27, an installer electrically connects the connecting wire on the motor 5 with an external production line host, so that the external production line host can control the motor 5 to be started and closed, the external production line host controls the motor 5 to be started, and the motor 5 drives the driving belt pulley 32 to rotate through an output shaft after being started.
As shown in fig. 4, 5 and 6, the first support bracket 6 includes a buffer 14, a hand wheel 15, a turnover pressing bar 16, a base 17, a support column 18, a first support seat 19, a transmission wheel 20 and a connection tongue 21, the left side of the upper portion of the base 17 is fixedly connected with the connection tongue 21, the connection tongue 21 is rotatably connected with the turnover pressing bar 16 through a rotation shaft, the buffer 14 is arranged on the turnover pressing bar 16, the turnover pressing bar 16 is rotatably connected with the base 17 through the hand wheel 15, the first support seat 19 is fixedly connected in a groove of the base 17, the first support seat is rotatably connected with the transmission wheel 20 through a rotation shaft, the bottom of the groove of the base 17 is fixedly connected with a second support seat 29, the second support seat 29 is rotatably connected with the connection shaft fixedly connected with the driving wheel 27 through a bearing, the driving wheel 27 is abutted against the transmission wheel 20, the second support seat 29 is rotatably connected with the belt gear 30, the buffer 14 comprises a second spring 22, a second wheel seat 23, a second pinch roller 24, a second square rod 25 and a second limit plate 26, the lower part of the second limit plate 26 is fixedly connected with one end of the second square rod 25, the other end of the second square rod 25 passes through the turnover pressing strip 16 and is fixedly connected with the second wheel seat 23, the second spring 22 is sleeved on the second square rod 25, the second square rod 25 and the turnover pressing strip 16 are in clearance fit, the second wheel seat 23 is rotatably connected with the second pinch roller 24 through a rotating shaft, a production worker firstly places connecting shafts at two ends of the cylinder core on the driving wheels 20 on the first bearing bracket 6 and the second bearing bracket 7, then the turnover pressing strip 16 and the base 17 are mutually attached together, the turnover pressing strip 16 and the base 17 are firmly fixed together through the hand wheel 15, further the second pinch roller 24 in the buffer 14 is abutted against the connecting shafts at two ends of the cylinder core, then the production worker can start the motor 5, the motor 5 drives the driving belt pulley 32 to rotate, then the driving belt pulley 32 drives the belt gear 30 to rotate through the transmission belt, the belt gear 30 drives the driving wheel 27 to rotate through the transmission gear 28, and then the driving wheel 27 drives the connecting shafts at the two ends of the tube core to rotate through the transmission wheel 20, so that the tube core starts to wind the geomembrane.
Wherein as shown in fig. 3, the compactor 2 includes a first compaction wheel 8, a first wheel seat 9, a connecting plate 10, a first spring 11, a first square pole 12 and a first limiting plate 13, an upper portion fixedly connected with first wheel seat 9 of the connecting plate 10, the first wheel seat 9 is rotatably connected with the first compaction wheel 8 through a rotating shaft, a lower portion of the connecting plate 10 is fixedly connected with one end of the first square pole 12, the first spring 11 is sleeved on the first square pole 12, the other end of the first square pole 12 passes through the baffle 1 and is fixedly connected with the first limiting plate 13, when the device winds the geomembrane, the first spring 11 pushes the connecting plate 10 forward through elasticity, and then the connecting plate 10 pushes the first compaction wheel 8 to abut against the cylinder core through the first wheel seat 9, so that the first compaction wheel 8 compresses the geomembrane.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a coiling mechanism is used in production of high strength geomembrane, includes baffle (1), collet (2), first support bracket (6) and second support bracket (7), its characterized in that: the baffle (1) is in clearance fit connection with a first square rod (12) in the compactor (2), a first spring (11) in the presser (2) is abutted against the baffle (1), a first limit plate (13) in the compactor (2) is attached and connected with the baffle (1), the lower part of the baffle (1) is fixedly connected with the bottom plate (3), the upper part of the bottom plate (3) is fixedly connected with the supporting columns (18) in the first supporting bracket (6) and the second supporting bracket (7), the first support bracket (6) and the second support bracket (7) have the same structure, a supporting plate (4) is fixedly connected with the middle part of a supporting column (18) in the first supporting bracket (6), the upper part of the bearing plate (4) is fixedly connected with a motor (5), and an output shaft of the motor (5) is fixedly connected with a driving belt pulley (32).
2. The winding device for producing the high-strength geomembrane according to claim 1, the first supporting bracket (6) comprises a buffer (14), a hand wheel (15), a turnover pressing bar (16), a base (17), a supporting column (18), a first supporting seat (19), a driving wheel (20) and a connecting tongue (21), the left side of the upper part of the base (17) is fixedly connected with a connecting tongue (21), the connecting tongue (21) is rotationally connected with the turnover pressing bar (16) through a rotating shaft, the overturning pressing strip (16) is provided with a buffer (14), the overturning pressing strip (16) is connected with a base (17) in a screwing way through a hand wheel (15), a first supporting seat (19) is fixedly connected in the groove of the base (17), the first supporting seat is rotatably connected with a driving wheel (20) through a rotating shaft, and the bottom of the base (17) is fixedly connected with a supporting column (18).
3. The winding device for producing the high-strength geomembrane according to claim 2, wherein the buffer (14) comprises a second spring (22), a second wheel seat (23), a second pressing wheel (24), a second square rod (25) and a second limiting plate (26), the lower portion of the second limiting plate (26) is fixedly connected with one end of the second square rod (25), the other end of the second square rod (25) penetrates through the overturning pressing strip (16) and the second wheel seat (23) and is fixedly connected with the same, the second spring (22) is sleeved on the second square rod (25), the second square rod (25) is in clearance fit with the overturning pressing strip (16), and the second wheel seat (23) is rotatably connected with the second pressing wheel (24) through a rotating shaft.
4. The winding device for the high-strength geomembrane production according to claim 1, wherein the compactor (2) comprises a first compaction wheel (8), a first wheel seat (9), a connecting plate (10), a first spring (11), a first square bar (12) and a first limiting plate (13), the first wheel seat (9) is fixedly connected to the upper portion of the connecting plate (10), the first wheel seat (9) is rotatably connected with the first compaction wheel (8) through a rotating shaft, the lower portion of the connecting plate (10) is fixedly connected with one end of the first square bar (12), the first spring (11) is sleeved on the first square bar (12), and the other end of the first square bar (12) penetrates through the baffle plate (1) and is fixedly connected with the first limiting plate (13).
5. The winding device for producing the high-strength geomembrane according to claim 1, wherein the driving belt wheel (32) is in transmission connection with a belt gear (30) through a transmission belt (31), the belt gear (30) is in meshing connection with a transmission gear (28), the transmission gear (28) is fixedly connected with one end of a connecting shaft, and the other end of the connecting shaft is fixedly connected with the driving wheel (27).
6. The winding device for the high-strength geomembrane production according to claim 2, wherein a second supporting seat (29) is fixedly connected to the bottom of the groove of the base (17), the second supporting seat (29) is rotatably connected with a connecting shaft fixedly connected with a driving wheel (27) through a bearing, the driving wheel (27) and the transmission wheel (20) are mutually abutted, and the second supporting seat (29) is rotatably connected with a belt gear (30) through a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020632022.0U CN212101146U (en) | 2020-04-23 | 2020-04-23 | Coiling mechanism is used in production of high strength geomembrane |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020632022.0U CN212101146U (en) | 2020-04-23 | 2020-04-23 | Coiling mechanism is used in production of high strength geomembrane |
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| CN212101146U true CN212101146U (en) | 2020-12-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526188A (en) * | 2021-07-29 | 2021-10-22 | 湖南欧威爱特新材料科技有限公司 | Anti-loose ultrafiltration membrane winding device |
-
2020
- 2020-04-23 CN CN202020632022.0U patent/CN212101146U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113526188A (en) * | 2021-07-29 | 2021-10-22 | 湖南欧威爱特新材料科技有限公司 | Anti-loose ultrafiltration membrane winding device |
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Effective date of registration: 20240401 Address after: No. 399 Xupu Road, Yizheng City, Yangzhou City, Jiangsu Province, 211400 Patentee after: Jiangsu Jinhao Chuangyi New Material Technology Co.,Ltd. Country or region after: China Address before: 211900 2 Puxi Road, Xupu street, Zhenzhou Town, Yizheng City, Yangzhou City, Jiangsu Province Patentee before: YANGZHOU JIAN'AN ENVIRONMENTAL MATERIAL CO.,LTD. Country or region before: China |