CN211947323U - Flowering machine for non-woven fabric or waste cloth - Google Patents
Flowering machine for non-woven fabric or waste cloth Download PDFInfo
- Publication number
- CN211947323U CN211947323U CN202020476980.3U CN202020476980U CN211947323U CN 211947323 U CN211947323 U CN 211947323U CN 202020476980 U CN202020476980 U CN 202020476980U CN 211947323 U CN211947323 U CN 211947323U
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- Prior art keywords
- shell
- feeding
- licker
- conveyor belt
- roller
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- Expired - Fee Related
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- 239000002699 waste material Substances 0.000 title claims abstract description 59
- 239000004744 fabric Substances 0.000 title claims abstract description 53
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 53
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 title claims description 17
- 239000000463 material Substances 0.000 claims abstract description 35
- 238000012216 screening Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000007599 discharging Methods 0.000 claims description 34
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims description 2
- 238000007873 sieving Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 16
- 239000000835 fiber Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000032258 transport Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000009960 carding Methods 0.000 description 2
- 230000009194 climbing Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/66—Disintegrating fibre-containing textile articles to obtain fibres for re-use
Landscapes
- Preliminary Treatment Of Fibers (AREA)
Abstract
The utility model discloses a blooming machine for non-woven fabrics or waste fabrics, which comprises a blooming device, a conveying device and a screening device, wherein the blooming device comprises a feeding conveying belt, a first shell and a first licker-in, and the first licker-in is rotatably arranged in the first shell; the blooming device also comprises a material collecting hopper, and a lifting mechanism is arranged between the material collecting hopper and the feeding conveyor belt; conveyor is including carrying the conveyer belt, sieving mechanism is including screening conveyer belt, second casing, second licker-in and negative-pressure air fan, the second casing is just right the unloading end of screening conveyer belt is provided with the second feed inlet, second feed inlet department installs second feed roller group, the second casing corresponds the second feed inlet is provided with the second discharge gate, the second licker-in rotates to be installed in the second casing. This non-woven fabrics or useless for cloth blooming machine can be better open non-woven fabrics or useless cloth, efficient, convenient to use.
Description
Technical Field
The utility model relates to a flowering machine technical field especially relates to a non-woven fabrics or waste cloth are with machine of blooming.
Background
A blooming machine is mechanical equipment used for opening non-woven fabrics or waste fabrics to obtain limit. The automatic roller-type cotton opener mainly comprises a rack, a licker-in flowering device arranged on the rack and a power device for driving the licker-in flowering device to act, wherein waste materials which cannot be completely bloomed can appear in the process of flowering non-woven fabrics or waste fabrics, and the waste materials are placed at an inlet of the bloomer to bloom again after being manually cleaned in the later period, so that the labor intensity of workers is high, and the efficiency is low. In addition, in the use process of the flowering machine, the roller position at the inlet of the flowering machine cannot be adjusted, so that the late flowering efficiency is low, the effect is poor, the flowering is uneven, and the normal production requirements of enterprises cannot be met.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, the technical problem to be solved by the present patent application is: how to provide a blooming machine for non-woven fabrics or waste cloth, improve the homogeneity and the blooming efficiency of blooming, convenient to use.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a blooming machine for non-woven fabrics or waste cloth comprises a blooming device, a conveying device and a screening device, wherein the blooming device, the conveying device and the screening device are sequentially arranged, the blooming device comprises a feeding conveying belt, a first shell and a first licker-in, the first shell is downwards fixedly provided with a first support, the first shell is provided with a first feeding hole facing a discharging end of the feeding conveying belt, a first feeding roller group is arranged at the first feeding hole, the first shell is provided with a first discharging hole facing the first feeding hole, the first licker-in is rotatably arranged in the first shell, a discharging hole is formed in the lower end of the first shell, and a discharging plate is fixedly arranged at the edge of the discharging hole; the blooming device further comprises a material collecting hopper, the material collecting hopper is positioned below the first shell, an opening in the upper end of the material collecting hopper is arranged right opposite to the feed opening, and a lifting mechanism is arranged between the material collecting hopper and the feeding conveyor belt; the conveying device comprises a conveying conveyor belt, the conveying conveyor belt is obliquely arranged, the feeding end of the conveying conveyor belt is positioned below the discharging end, and the feeding end of the conveying conveyor belt is positioned below the first discharging hole; the screening device comprises a screening conveyor belt, a second shell, a second licker-in and a negative pressure fan, wherein a second support is fixedly mounted on the second shell downwards, the screening conveyor belt is horizontally arranged, the feeding end of the screening conveyor belt is located below the discharging end of the conveying conveyor belt, the second shell is right opposite to the discharging end of the screening conveyor belt and is provided with a second feeding hole, a second feeding roller group is installed at the second feeding hole, the second shell corresponds to the second feeding hole, the second licker-in is rotatably installed in the second shell, the second discharging hole is outwards connected with a discharging pipe, the negative pressure fan is installed on the discharging pipe, and a waste material hole is formed in the lower end of the second shell.
Like this, when using, operating personnel stands in bloom device one side, stand the material loading end at the material loading conveyer belt promptly, place non-woven fabrics or waste cloth on the material loading conveyer belt, the material loading conveyer belt drives non-woven fabrics or waste cloth motion, get into first casing through first feeding roller group, later utilize first licker-in to open non-woven fabrics or waste cloth, great non-woven fabrics or waste cloth or open not thorough non-woven fabrics or waste cloth fall from the feed opening after the stopping of flitch down, get into in the collecting hopper, then utilize hoist mechanism to promote non-woven fabrics or waste cloth in the collecting hopper to first conveyer belt top discharge, operating personnel carries out the sharing to discharged non-woven fabrics or waste cloth, make it evenly get into first casing, open once more. Non-woven fabrics or waste cloth after opening are the coarse fibre, discharge to the material loading end of carrying the conveyer belt from first discharge gate under the centrifugal force effect of first licker-in, later transport to the screening conveyer belt through carrying the conveyer belt, the screening conveyer belt transports coarse fibre to second feed roller group, get into the second casing through second feed roller group, later utilize the second licker-in to open once more, obtain the fibre after opening, under negative pressure fan's effect and the centrifugal force effect of second licker-in, discharge from the second discharge gate, get into carding process on next step. After the opening by the second licker-in, the unopened waste material is discharged from the waste material outlet. Like this, the effect is opened in improvement that can be better, avoids the artifical step of climbing into first casing below clearance, has reduced the risk, has improved the security performance.
Further, first feeding roller group and second feeding roller group all include first roller and second roller, non-woven fabrics or useless cloth are with blooming machine still include the frame, fixed mounting's first pivot is rotated and is installed in the frame in the middle of the first roller, fixed mounting has driving motor in the frame, driving motor's output shaft with the coaxial fixed connection of pivot that sets up in the middle of the first roller, fixed mounting has the second pivot in the middle of the second roller, vertically in the frame be provided with the guide way, sliding fit has the guide block in the guide way, the second pivot passes through the bearing and rotates to be installed in the guide block, fixed mounting has compression spring in the guide way, compression spring upper end and the cell wall fixed connection of guide way, compression spring's lower extreme with guide block fixed connection, compression spring is under the natural state, the first roller is tangent to the second roller.
Therefore, the first roller and the second roller drive the non-woven fabric or waste cloth and the coarse fibers to move, the first roller provides action, the second roller provides friction force, when the feeding amount is large, the compression spring is compressed, the friction force is larger, the feeding speed is reduced, the opening effect is improved, the opening uniformity is improved, meanwhile, the buffering is carried out, and the damage to the rollers is reduced; when the feeding is less, the friction is little, and the feed rate is fast, improves and opens efficiency. The guide way has certain height, avoids non-woven fabrics or waste cloth or crude fiber more to cause compression spring shrinkage big, and the existence of assurance frictional force that can be better improves and opens the effect, avoids when opening, and first licker-in and second licker-in directly pull out non-woven fabrics or waste cloth or crude fiber, improve and open the homogeneity.
Further, collecting hopper lower extreme fixed mounting has the support, collecting hopper one end is located the first casing outside, the collecting hopper lower extreme is the toper setting and conical pointed end is located the first casing outside, hoist mechanism is including the screw elevator that the slope set up, screw elevator's feed end is located just corresponding in the collecting hopper pointed end sets up, the height that highly is higher than the material loading conveyer belt of screw elevator just sets up to the lopsidedness that is close to the material loading conveyer belt, the opening of screw elevator's discharge end corresponds the material loading conveyer belt sets up.
Like this, non-woven fabrics or waste cloth in the collecting hopper promote to the material loading conveyer belt top through screw elevator, then fall into on the material loading conveyer belt through the opening of discharge end, then the workman directly with non-woven fabrics or waste cloth shakeouts, carry out the feeding can.
Further, the rotating speed of the first taker-in cylinder and the second taker-in cylinder is greater than the rotating speed of the first rotating shaft. Can be better pull the non-woven fabrics or waste cloth and open, improve and open the effect.
Furthermore, a first motor is fixedly mounted on the outer side of the first shell, a second motor is fixedly mounted on the outer side of the second shell, an output shaft of the first motor is fixedly connected with a rotating shaft arranged in the middle of the first licker-in, and an output shaft of the second motor is fixedly connected with a rotating shaft arranged in the middle of the second licker-in. The first motor and the second motor act to drive the first licker-in and the second licker-in to rotate, and the non-woven fabric or the waste cloth is opened.
Furthermore, the two sides of the feeding conveyor belt, the conveying conveyor belt and the screening conveyor belt are provided with baffles. Better guiding is possible.
In conclusion, this non-woven fabrics or waste cloth are with blooming machine can be better open non-woven fabrics or waste cloth, and is efficient, convenient to use.
Drawings
Fig. 1 is an overall schematic view of the flowering machine for non-woven fabrics or waste fabrics disclosed in the present invention.
Fig. 2 is a schematic structural view of the first feed roller set and the frame in fig. 1.
Fig. 3 is a cross-sectional view of the collection hopper of fig. 1.
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.
Referring to fig. 1-3, a blooming machine for non-woven fabrics or waste fabrics comprises a blooming device, a conveying device and a screening device, wherein the blooming device, the conveying device and the screening device are sequentially arranged, the blooming device comprises a feeding conveyor belt 10, a first shell 11 and a first licker-in 12, the first shell 11 is downwards fixedly provided with a first bracket 13, the first shell 11 is provided with a first feeding hole facing a discharging end of the feeding conveyor belt 10, the first feeding hole is provided with a first feeding roller group, the first shell 11 is provided with a first discharging hole facing the first feeding hole, the first licker-in 12 is rotatably arranged in the first shell 11, the lower end of the first shell 11 is provided with a discharging hole 14, and the edge of the discharging hole 14 is fixedly provided with a discharging plate 15; the blooming device further comprises a collecting hopper 16, the collecting hopper 16 is positioned below the first shell 11, an opening at the upper end of the collecting hopper 16 is arranged right opposite to the discharging opening, and a lifting mechanism is arranged between the collecting hopper 16 and the feeding conveyor belt 10; the conveying device comprises a conveying conveyor belt 17, the conveying conveyor belt 17 is obliquely arranged, the feeding end of the conveying conveyor belt 17 is positioned below the discharging end, and the feeding end of the conveying conveyor belt 17 is positioned below the first discharging hole; sieving mechanism is including screening conveyer belt 18, second casing 19, second licker-in 20 and negative- pressure air fan 21, 19 downward fixed mounting of second casing have the second support, the setting of screening conveyer belt 18 level, the material loading end of screening conveyer belt 18 is located conveyer belt 17's unloading end below, second casing 19 is just right the unloading end of screening conveyer belt 18 is provided with the second feed inlet, second feed inlet department installs second feeding roller group, second casing 19 corresponds the second feed inlet is provided with the second discharge gate, second licker-in 20 rotates and installs in second casing 19, the second discharge gate externally connected with discharging pipe 22, install negative-pressure air fan 21 on the discharging pipe 22, 19 lower extremes of second casing are provided with the waste material mouth.
Like this, when using, operating personnel stands in bloom device one side, stand the material loading end at the material loading conveyer belt promptly, place non-woven fabrics or waste cloth on the material loading conveyer belt, the material loading conveyer belt drives non-woven fabrics or waste cloth motion, get into first casing through first feeding roller group, later utilize first licker-in to open non-woven fabrics or waste cloth, great non-woven fabrics or waste cloth or open not thorough non-woven fabrics or waste cloth fall from the feed opening after the stopping of flitch down, get into in the collecting hopper, then utilize hoist mechanism to promote non-woven fabrics or waste cloth in the collecting hopper to first conveyer belt top discharge, operating personnel carries out the sharing to discharged non-woven fabrics or waste cloth, make it evenly get into first casing, open once more. Non-woven fabrics or waste cloth after opening are the coarse fibre, discharge to the material loading end of carrying the conveyer belt from first discharge gate under the centrifugal force effect of first licker-in, later transport to the screening conveyer belt through carrying the conveyer belt, the screening conveyer belt transports coarse fibre to second feed roller group, get into the second casing through second feed roller group, later utilize the second licker-in to open once more, obtain the fibre after opening, under negative pressure fan's effect and the centrifugal force effect of second licker-in, discharge from the second discharge gate, get into carding process on next step. After the opening by the second licker-in, the unopened waste material is discharged from the waste material outlet. Like this, the effect is opened in improvement that can be better, avoids the artifical step of climbing into first casing below clearance, has reduced the risk, has improved the security performance.
Specifically, first feeding roller group and second feeding roller group all include first roller 23 and second roller 24, non-woven fabrics or waste cloth still include frame 25 with the blooming machine, fixed mounting's first pivot is rotated and is installed in the middle of the first roller 23 in frame 25, fixed mounting has driving motor on the frame 25, driving motor's output shaft with the coaxial fixed connection of pivot that sets up in the middle of first roller 23, fixed mounting has the second pivot in the middle of the second roller 24, the vertical guide way 26 that is provided with on frame 25, sliding fit has guide block 27 in the guide way 26, the second pivot is passed through the bearing and is rotated and install in the guide block 27, fixed mounting has compression spring 28 in the guide way 26, compression spring 28 upper end and the cell wall fixed connection of guide way 26, compression spring 28's lower extreme with guide block 27 fixed connection, the compression spring 28 is in a natural state, and the first roller 23 is tangent to the second roller 24.
Therefore, the first roller and the second roller drive the non-woven fabric or waste cloth and the coarse fibers to move, the first roller provides action, the second roller provides friction force, when the feeding amount is large, the compression spring is compressed, the friction force is larger, the feeding speed is reduced, the opening effect is improved, the opening uniformity is improved, meanwhile, the buffering is carried out, and the damage to the rollers is reduced; when the feeding is less, the friction is little, and the feed rate is fast, improves and opens efficiency. The guide way has certain height, avoids non-woven fabrics or waste cloth or crude fiber more to cause compression spring shrinkage big, and the existence of assurance frictional force that can be better improves and opens the effect, avoids when opening, and first licker-in and second licker-in directly pull out non-woven fabrics or waste cloth or crude fiber, improve and open the homogeneity.
Specifically, 16 lower extremes of aggregate bin fixed mounting has support 29, 16 one end of aggregate bin is located the first casing 11 outside, 16 lower extremes of aggregate bin are the toper setting and conical pointed end is located the first casing 11 outside, elevating system is including the screw elevator 30 that the slope set up, the feed end of screw elevator 30 is located in 16 aggregate bin and corresponding the pointed end sets up, the height that highly is higher than material loading conveyer belt 10 of the discharge end of screw elevator 30 just sets up to the lopsidedness that is close to material loading conveyer belt 10, the opening of the discharge end of screw elevator 30 corresponds material loading conveyer belt 10 sets up.
Like this, non-woven fabrics or waste cloth in the collecting hopper promote to the material loading conveyer belt top through screw elevator, then fall into on the material loading conveyer belt through the opening of discharge end, then the workman directly with non-woven fabrics or waste cloth shakeouts, carry out the feeding can.
In particular, the rotational speed of the first and second taker-in cylinders 12, 20 is greater than the rotational speed of the first shaft. Can be better pull the non-woven fabrics or waste cloth and open, improve and open the effect.
Specifically, a first motor is fixedly mounted on the outer side of the first shell 11, a second motor is fixedly mounted on the outer side of the second shell, an output shaft of the first motor is fixedly connected with a rotating shaft arranged in the middle of the first licker-in 12, and an output shaft of the second motor is fixedly connected with a rotating shaft arranged in the middle of the second licker-in 20. The first motor and the second motor act to drive the first licker-in and the second licker-in to rotate, and the non-woven fabric or the waste cloth is opened.
Specifically, the two sides of the feeding conveyor belt 10, the conveying conveyor belt 17 and the screening conveyor belt 18 are provided with baffles. Better guiding is possible.
Specifically, material loading conveyer belt, conveying conveyer belt and screening conveyer belt are conveyer belt, and for current structure, it includes belt, drive roll, driven voller and motor, simple structure, for mechanical equipment commonly used, so no longer specifically describe.
Specifically, first licker-in and second licker-in are current structure, and the metal gill density that the first licker-in outside set up is greater than the density of the metal gill that the second licker-in outside set up, improves and opens the effect.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The blooming machine for the non-woven fabrics or the waste fabrics is characterized by comprising a blooming device, a conveying device and a screening device, wherein the blooming device, the conveying device and the screening device are sequentially arranged, the blooming device comprises a feeding conveying belt, a first shell and a first licker-in, the first shell is downwards fixedly provided with a first support, the first shell is provided with a first feeding hole right opposite to a discharging end of the feeding conveying belt, a first feeding roller group is arranged at the first feeding hole, the first shell is provided with a first discharging hole right opposite to the first feeding hole, the first licker-in is rotatably arranged in the first shell, the lower end of the first shell is provided with a discharging hole, and the edge of the discharging hole is fixedly provided with a discharging plate; the blooming device further comprises a material collecting hopper, the material collecting hopper is positioned below the first shell, an opening in the upper end of the material collecting hopper is arranged right opposite to the feed opening, and a lifting mechanism is arranged between the material collecting hopper and the feeding conveyor belt; the conveying device comprises a conveying conveyor belt, the conveying conveyor belt is obliquely arranged, the feeding end of the conveying conveyor belt is positioned below the discharging end, and the feeding end of the conveying conveyor belt is positioned below the first discharging hole; the screening device comprises a screening conveyor belt, a second shell, a second licker-in and a negative pressure fan, wherein a second support is fixedly mounted on the second shell downwards, the screening conveyor belt is horizontally arranged, the feeding end of the screening conveyor belt is located below the discharging end of the conveying conveyor belt, the second shell is right opposite to the discharging end of the screening conveyor belt and is provided with a second feeding hole, a second feeding roller group is installed at the second feeding hole, the second shell corresponds to the second feeding hole, the second licker-in is rotatably installed in the second shell, the second discharging hole is outwards connected with a discharging pipe, the negative pressure fan is installed on the discharging pipe, and a waste material hole is formed in the lower end of the second shell.
2. The flowering machine for non-woven fabrics or waste fabrics according to claim 1, characterized in that, the first feed roller group and the second feed roller group both include first roller and second roller, the flowering machine for non-woven fabrics or waste fabrics still includes a frame, the first pivot of fixed mounting in the middle of the first roller is rotatably mounted in the frame, fixed mounting has driving motor in the frame, driving motor's output shaft with the coaxial fixed connection of the pivot that sets up in the middle of the first roller, fixed mounting has the second pivot in the middle of the second roller, the vertical guide way that is provided with in the frame, sliding fit has the guide block in the guide way, the second pivot passes through the bearing and rotates to be installed in the guide block, fixed mounting has compression spring in the guide way, the compression spring upper end is fixedly connected with the cell wall of guide way, the lower end of the compression spring is fixedly connected with the guide block, the compression spring is in a natural state, and the first roller is tangent to the second roller.
3. The flowering machine for non-woven fabrics or waste fabrics of claim 1, characterized in that, the collecting hopper lower extreme fixed mounting has the support, collecting hopper one end is located the first casing outside, collecting hopper lower extreme is the toper setting and conical pointed end is located the first casing outside, elevating system is including the screw elevator that the slope set up, screw elevator's feed end is located in the collecting hopper and correspond the pointed end setting, screw elevator's discharge end highly be higher than the height of material loading conveyer belt and to the slope setting of one side that is close to the material loading conveyer belt, screw elevator's discharge end's opening corresponds the material loading conveyer belt setting.
4. The flowering machine for non-woven fabric or waste cloth according to claim 1, wherein the first and second taker-in cylinders rotate at a speed higher than that of the first rotating shaft.
5. The flowering machine for non-woven fabrics or waste fabrics according to claim 4, characterized in that a first motor is fixedly installed on the outer side of the first casing, a second motor is fixedly installed on the outer side of the second casing, an output shaft of the first motor is fixedly connected with a rotating shaft arranged in the middle of the first licker-in, and an output shaft of the second motor is fixedly connected with a rotating shaft arranged in the middle of the second licker-in.
6. The flowering machine for non-woven fabric or waste fabric according to claim 5, wherein baffles are provided on both sides of the feeding conveyor, the conveying conveyor and the screening conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476980.3U CN211947323U (en) | 2020-04-03 | 2020-04-03 | Flowering machine for non-woven fabric or waste cloth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020476980.3U CN211947323U (en) | 2020-04-03 | 2020-04-03 | Flowering machine for non-woven fabric or waste cloth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211947323U true CN211947323U (en) | 2020-11-17 |
Family
ID=73169850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020476980.3U Expired - Fee Related CN211947323U (en) | 2020-04-03 | 2020-04-03 | Flowering machine for non-woven fabric or waste cloth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211947323U (en) |
-
2020
- 2020-04-03 CN CN202020476980.3U patent/CN211947323U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201117 |
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| CF01 | Termination of patent right due to non-payment of annual fee |