CN210453249U - Ground leveling mortar batching system - Google Patents
Ground leveling mortar batching system Download PDFInfo
- Publication number
- CN210453249U CN210453249U CN201920769024.1U CN201920769024U CN210453249U CN 210453249 U CN210453249 U CN 210453249U CN 201920769024 U CN201920769024 U CN 201920769024U CN 210453249 U CN210453249 U CN 210453249U
- Authority
- CN
- China
- Prior art keywords
- weighing
- barrel
- rotary
- cap
- batching system
- 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.)
- Expired - Fee Related
Links
- 239000004570 mortar (masonry) Substances 0.000 title claims abstract description 28
- 238000005303 weighing Methods 0.000 claims abstract description 136
- 239000000654 additive Substances 0.000 claims abstract description 10
- 239000004568 cement Substances 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 2
- 239000004615 ingredient Substances 0.000 abstract description 18
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 abstract description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 11
- 238000005034 decoration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 208000036829 Device dislocation Diseases 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000011083 cement mortar Substances 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 206010014080 Ecchymosis Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
The utility model relates to a ground leveling mortar batching system, called batching system for short, which comprises a weighing hopper, a screw conveyer arranged above the weighing hopper and used for conveying cement to the weighing hopper, a plurality of batching bins used for temporarily storing chemical additives, a rotary weighing device used for weighing and conveying the batching to the weighing hopper and a supporting table used for supporting the rotary weighing device; the utility model accurately weighs the ingredients by rotating the weighing device, thereby realizing the accurate proportioning of the mortar raw materials, accurately weighing, and particularly ensuring the quality of the mortar for the accurate control of the ingredients with less measurement; the utility model discloses a weighing bucket device simple structure, easily processing, with low costs, the manipulator function practicality, simple structure, with low costs of adoption.
Description
Technical Field
The utility model belongs to mortar production facility field, concretely relates to ground mortar feed proportioning system of making level.
Background
In decoration, no matter what kind of decoration ground is used, ground leveling operation is required, and ground leveling is divided into cement mortar leveling, gypsum leveling and self-leveling, wherein the cement mortar leveling is used most, so that the floor-type decoration machine can be suitable for various grounds without any choice, and the price is reasonable and is less than 100 yuan per square meter. The cement leveling mortar can be stirred on site, and can also be purchased directly, the commercial mortar, i.e. ecchymosis mortar, is a novel green energy-saving building dry powder material, and the commercial mortar is produced by pretreating (crushing, drying and screening) aggregates (such as sand, limestone) and the like selected according to requirements, adding quantitative cementing materials (cement and gypsum) and trace high-tech additives and sometimes pigments into a uniform powder mixture processed according to a scientific formula, and the commercial mortar is transported to a construction site in a bag or in bulk form, and can be used directly after being mixed with water, so that the cement leveling mortar is convenient and rapid.
In the production process of the mortar, the variety and the proportion of the added auxiliary materials are different according to different purposes of the mortar, the proportion of some chemical additives is less than one percent, the accuracy is measured by gram, the traditional manual operation is that each component material after manual weighing is sequentially fed and stirred according to the production process, wherein the material of a large component is directly weighed by a weighbridge, the accuracy requirement is not high, but for the chemical additives with small adding amount, if the chemical additives are still weighed by estimation, the accuracy of the chemical additives is low, and the quality of the mortar is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art and providing a ground mortar feed proportioning system of making level that can carry out the accuracy to a small amount of additive.
The technical scheme of the utility model as follows:
a ground leveling mortar batching system, called batching system for short, comprises a weighing hopper, a screw conveyer arranged above the weighing hopper and used for conveying cement to the weighing hopper, a plurality of batching bins used for temporarily storing chemical additives, a rotary weighing device used for weighing and conveying the batching to the weighing hopper and a supporting table used for supporting the rotary weighing device;
the rotary weighing device comprises a rotary mechanism which is arranged on the support table and can rotate actively, a turntable which is driven by the rotary mechanism and rotates on a horizontal plane and is provided with at least 2 through barrel holes, a weighing barrel device which is arranged in the barrel holes, a weighing sensor for metering the weighing barrel device and a cap picking and covering manipulator which is arranged on one side of the turntable;
the weighing barrel device comprises a weighing barrel and a bottom cap covering the bottom of the weighing barrel, the weighing barrel comprises a barrel lug arranged on the periphery of the barrel wall of the weighing barrel and used for hanging the weighing barrel on the wall of a barrel hole and a pressing piece arranged between the barrel lug and the bottom cap, and the bottom cap comprises a bottom cap body with a cap brim;
the cap picking and covering manipulator comprises a horizontally arranged mechanical arm, a manipulator which is rotationally connected with the mechanical arm, and a pressing arm of which the bottom end is arranged on the mechanical arm and is horizontally arranged above the manipulator.
Further, the distance from the weighing sensor to the lower surface of the rotary table is smaller than the distance from the bottom surface of the bottom cap to the lower surface of the rotary table.
Further, the weighing sensor is provided with a slope along the rotating direction of the turntable.
Furthermore, the upper end of the side wall of the bucket hole is provided with a support sinking step for supporting a bucket ear.
Furthermore, the distance from the outermost end of the pressing piece to the center line of the weighing cylinder is smaller than the diameter of the barrel hole.
Furthermore, the bottom cap also comprises convex columns symmetrically arranged on two sides of the bottom cap main body.
Further, a blanking plate is arranged on one side, facing the weighing hopper, of the rotating mechanism.
Further, the bottom cap is inserted into the barrel.
The utility model discloses a carousel has 2 stations at least, is material loading weighing station and blanking station respectively, when the weighing barrel device moved to material loading weighing station through the drive of carousel, the bottom cap lid of weighing barrel device closed on the weighing cylinder, weighing sensor will the weighing barrel device jack-up, the section of thick bamboo ear of weighing barrel device breaks away from the carousel, therefore can weigh, and the discharge gate is opened and is annotated the material in the weighing cylinder on the proportioning bins, until weighing sensor's weight reaches target weight; after the weighing barrel device is weighed, the turntable drives the weighing barrel device to rotate to a blanking station, the cap picking and covering manipulator is arranged at the blanking station and used for downwards removing a bottom cap to release ingredients in the weighing barrel and shaking the ingredients possibly remained in the bottom cap into a weighing hopper, the cap picking and covering manipulator covers the bottom cap on the weighing barrel after the ingredients are released, and the weighing barrel device enters the next station under the driving of the turntable to reciprocate so as to realize the accurate weighing of the ingredients with high efficiency and the blanking of the ingredients.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model accurately weighs the ingredients by rotating the weighing device, thereby realizing the accurate proportioning of the mortar raw materials, accurately weighing, and particularly ensuring the quality of the mortar for the accurate control of the ingredients with less measurement; the utility model discloses a weighing bucket device simple structure, easily processing, with low costs, the manipulator function practicality, simple structure, with low costs of adoption.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic diagram of the position of the weighing sensor and the slope according to the embodiment of the present invention.
Fig. 3 is a schematic structural view of a cap-removing and cap-covering manipulator according to an embodiment of the present invention.
Fig. 4 is an assembly schematic diagram of the turntable and the weighing cylinder device according to the embodiment of the present invention.
Fig. 5 is a schematic top view of a turntable according to an embodiment of the present invention.
Fig. 6 is a sectional view taken along a-a in fig. 5.
In the figure, a screw conveyor 1, a weighing cylinder 2, a cylinder body 21, a cylinder ear 22, a pressing piece 23, a guide area 24, a rotary table 3, a support sinking step 31, a support shaft 4, a bottom cap 5, a bottom cap main body 51, a cap peak 52, a convex column 53, a weighing sensor 6, a slope 61, a blanking plate 7, a rotating motor 8, a support table 9, a weighing hopper 10, a mechanical arm 11, a pressing arm 12, a mechanical arm 13 and a batching bin 14.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 to 6, a ground leveling mortar batching system, called batching system for short, is characterized in that: the cement mixing device comprises a weighing hopper 10, a spiral conveyor 1, a plurality of batching bins 14, a rotary weighing device and a supporting table 9, wherein the spiral conveyor 1 is arranged above the weighing hopper 10 and used for conveying cement to the weighing hopper 10, the batching bins 14 are used for temporarily storing chemical additives, the rotary weighing device is used for weighing and conveying batching to the weighing hopper 10, and the supporting table is used for supporting the rotary weighing device;
the rotary weighing device comprises a rotating mechanism which is arranged on a supporting table 9 and can rotate actively, a rotary table 3 which is driven by the rotating mechanism and rotates on a horizontal plane and is provided with at least 2 through barrel holes, a weighing barrel device arranged in the barrel holes, a weighing sensor 6 for metering the weighing barrel device and a cap picking and covering manipulator arranged on one side of the rotary table 3; specifically, the rotating mechanism comprises a rotating motor 8 and a supporting shaft 4 directly connected or in transmission connection with an output shaft of the rotating motor 8, the supporting shaft 4 and the turntable 3 are coaxially arranged, and the rotating motor 8 is a servo motor or a stepping motor, preferably a servo motor;
the weighing barrel device comprises a weighing barrel 2 and a bottom cap 5 covered at the bottom of the weighing barrel 2, the shape of the bottom cap 5 is similar to that of a full-edge cap, the weighing barrel 2 comprises a barrel lug 22 arranged on the periphery of the barrel wall of the weighing barrel 2 and used for hanging the weighing barrel 2 on the wall of a barrel hole and a pressing piece 23 arranged between the barrel lug 22 and the bottom cap 5, and the bottom cap 5 comprises a bottom cap body 51 with a brim 52;
the cap picking and covering manipulator comprises a horizontally arranged mechanical arm 11, a manipulator 13 rotationally connected with the mechanical arm 11, and a pressing arm 12 with the bottom end arranged on the mechanical arm 11 and the other end horizontally arranged above the manipulator 13; the cap picking and covering manipulator is provided with at least 3 stations which are respectively an original point station which does not influence the rotation of the weighing cylinder 2, a cap picking and covering station which carries out cap picking and covering action and a cap shaking station; when the cap-removing mechanical arm is positioned at the original point position, the front end of the pressing arm 12 and the front end of the mechanical arm 13 have a certain distance and do not interfere with the rotation of the weighing cylinder 2; when the cap picking and covering manipulator advances to the cap picking and covering station towards the weighing cylinder 2, the manipulator 13 clamps the cap brim 52 to rotate downwards in an inclined mode to enable the bottom cap 5 to be separated from the cylinder body 21, ingredients in the cylinder body 21 freely fall into the weighing hopper 10, meanwhile, the manipulator 13 clamps the cap brim 52 to continue to rotate downwards, when the rotation angle exceeds 90 degrees and even reaches the position of a dotted line in a figure 3, the cap of the bottom cap 5 faces downwards, and therefore the ingredients in the bottom cap 5 fall out of the bottom cap 5 and fall into the weighing hopper 10.
As shown in fig. 3, the cap-removing and capping mechanical arm is an X-axis moving X-axis rotating mechanical arm or a six-degree-of-freedom mechanical arm, preferably, in order to meet the requirements for functions and save cost, the X-axis moving X-axis rotating mechanical arm is adopted, and the X-axis moving X-axis rotating mechanical arm is the prior art and is not described again.
The utility model discloses a carousel 3 has 2 stations at least, is material loading weighing station and blanking station respectively, and when the weighing barrel device moved to material loading weighing station through the drive of carousel 3, the end cap 5 lid of weighing barrel device closed on weighing barrel 2, weighing sensor 6 lifted the weighing barrel device upwards, the section of thick bamboo ear 22 of weighing barrel device breaks away from carousel 3, therefore can weigh, the upper discharge gate of proportioning bins is opened and is annotated the material in weighing barrel 2, until weighing sensor 6 reaches target weight; after weighing of the weighing barrel device is completed, the turntable 3 drives the weighing barrel device to rotate to a blanking station, the cap picking mechanical arm is arranged at the blanking station and used for downwards removing the bottom cap 5 to release ingredients in the weighing barrel 2 and shaking the ingredients possibly remained in the bottom cap 5 off the weighing hopper 10, the cap picking mechanical arm covers the bottom cap 5 on the weighing barrel 2 after the ingredients are released, the weighing barrel device enters the next station under the driving of the turntable 3, and the operation is repeated, so that efficient accurate weighing of ingredients and blanking of the ingredients are realized.
As shown in fig. 1, 4 and 5, specifically, the distance from the weighing sensor 6 to the lower surface of the rotary table 3 is less than the distance from the bottom surface of the bottom cap 5 to the lower surface of the rotary table 3, and the weighing sensor 6 is provided with a slope 61 along the rotation direction of the rotary table, so that when the weighing barrel device reaches the loading weighing station as soon as the rotary table 3 rotates, the slope 61 can jack up the weighing barrel device from the rotary table 3 until the rotary table 3 stops rotating and the weighing barrel device is just placed on the weighing sensor 6 for weighing; preferably, in order to avoid the influence of the side wall of the barrel hole on the weighing result, the diameter of the barrel hole is slightly larger than the outer diameter of the barrel body 21, and the rotary disc 3 slightly rotates after the weighing barrel device with ingredients is driven to reach the loading and weighing station, so that the side wall of the barrel body 21 is completely separated from the barrel hole; preferably, a plurality of small rollers are arranged on the slope 61 in the rotating direction of the upper rotating disc 3, so as to facilitate the movement of the weighing bucket device on the slope.
As shown in fig. 3, 4 and 5, optionally, a support sunken step 31 for supporting the barrel lug 22 is provided at the upper end of the side wall of the bunghole, and the side end surface of the barrel lug 22 abuts against the side end wall of the support sunken step 31 so as to be able to limit the position of the weighing barrel 2 at the center of the bunghole all the time, so that when the slope 61 jacks up the weighing barrel device from the turntable 3, the weighing barrel device can be in a state of being completely separated from the turntable 3 without rotating the turntable 2.
As shown in fig. 6, in particular, the distance from the outermost end of the pressing piece 23 to the center line of the weighing cylinder 2 is smaller than the diameter of the bunghole, so that the cylinder body 21 after the bottom cap 5 is removed can be taken out from above the bunghole 3.
As shown in fig. 4, 5 and 6, preferably, the bottom cap 5 further includes protruding columns 53 symmetrically disposed on both sides of the bottom cap main body 51, so as to facilitate the clamping of the manipulator 13 and prevent the manipulator 13 from slipping off the side surface of the visor 52.
As shown in fig. 1, the rotating mechanism is preferably provided with a blanking plate 7 on one side facing the weighing hopper 10, and the blanking plate 7 is used for protecting the rotating mechanism and the supporting platform 9 and preventing the ingredients falling from the blanking station from scattering on the rotating mechanism and the supporting platform.
As shown in fig. 6, in particular, the bottom cap 5 is inserted into the barrel 21, and preferably, the bottom of the barrel 21 is provided with a guiding area 24 for facilitating the buckling of the bottom cap 5, and the outer diameter of the guiding area 24 is gradually reduced from top to bottom.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a ground mortar batching system that makes level which characterized in that: the cement mixing device comprises a weighing hopper (10), a spiral conveyor (1) arranged above the weighing hopper (10) and used for conveying cement to the weighing hopper (10), a plurality of batching bins (14) used for temporarily storing chemical additives, a rotary weighing device used for weighing and conveying the batchings to the weighing hopper (10) and a supporting table (9) used for supporting the rotary weighing device;
the rotary weighing device comprises a rotary mechanism which is arranged on a support table (9) and can rotate actively, a rotary table (3) which is driven by the rotary mechanism and rotates on a horizontal plane and is provided with at least 2 through barrel holes, a weighing barrel device arranged in the barrel holes, a weighing sensor (6) used for measuring the weighing barrel device and a cap picking and covering manipulator arranged on one side of the rotary table;
the weighing barrel device comprises a weighing barrel (2) and a bottom cap (5) covered at the bottom of the weighing barrel (2), the weighing barrel (2) comprises a barrel lug (22) arranged on the periphery of the barrel wall of the weighing barrel (2) and used for hanging the weighing barrel (2) on the wall of a barrel hole and a pressing piece (23) arranged between the barrel lug (22) and the bottom cap (5), and the bottom cap (5) comprises a bottom cap main body (51) with a brim (52);
the mechanical arm for taking off the cap comprises a mechanical arm (11) which is horizontally arranged, a mechanical arm (13) which is rotationally connected with the mechanical arm (11), and a pressing arm (12) which is arranged on the mechanical arm (11) at the bottom end and is horizontally arranged above the mechanical arm (13).
2. The ground leveling mortar batching system according to claim 1, wherein: the distance from the weighing sensor (6) to the lower surface of the rotary table (3) is smaller than the distance from the bottom surface of the bottom cap (5) to the lower surface of the rotary table (3).
3. The ground leveling mortar batching system according to claim 2, wherein: the weighing sensor (6) is provided with a slope (61) along the rotation direction of the turntable (3).
4. The ground leveling mortar batching system according to claim 1, wherein: the upper end of the side wall of the bucket hole is provided with a support sinking step (31) for supporting a bucket ear (22).
5. The ground leveling mortar batching system according to claim 1, wherein: the distance from the outermost end of the pressing piece (23) to the center line of the weighing cylinder (2) is smaller than the diameter of the bucket hole.
6. The ground leveling mortar batching system according to claim 1, wherein: the bottom cap (5) further comprises convex columns (53) symmetrically arranged on two sides of the bottom cap main body (51).
7. The ground leveling mortar batching system according to claim 1, wherein: and a blanking plate (7) is arranged on one side of the rotating mechanism, which faces the weighing hopper (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920769024.1U CN210453249U (en) | 2019-05-25 | 2019-05-25 | Ground leveling mortar batching system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920769024.1U CN210453249U (en) | 2019-05-25 | 2019-05-25 | Ground leveling mortar batching system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210453249U true CN210453249U (en) | 2020-05-05 |
Family
ID=70438660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920769024.1U Expired - Fee Related CN210453249U (en) | 2019-05-25 | 2019-05-25 | Ground leveling mortar batching system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210453249U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085011A (en) * | 2021-04-15 | 2021-07-09 | 河南兴业商品混凝土有限公司 | Concrete automatic mixing machine |
| CN114368067A (en) * | 2021-11-30 | 2022-04-19 | 浙江大经住工科技有限公司 | Concrete proportioning machine |
-
2019
- 2019-05-25 CN CN201920769024.1U patent/CN210453249U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113085011A (en) * | 2021-04-15 | 2021-07-09 | 河南兴业商品混凝土有限公司 | Concrete automatic mixing machine |
| CN114368067A (en) * | 2021-11-30 | 2022-04-19 | 浙江大经住工科技有限公司 | Concrete proportioning machine |
| CN114368067B (en) * | 2021-11-30 | 2024-04-19 | 浙江大经住工科技有限公司 | Concrete batching machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210453249U (en) | Ground leveling mortar batching system | |
| CN213260146U (en) | Equipment for preparing zinc-aluminum-containing spinel aluminum silicon carbide carbon brick for molten iron ladle | |
| CN109501008B (en) | Automatic metering and adding device for commercial concrete aggregate and operation method | |
| CN113043467B (en) | Recycled aggregate ready-mixed mortar preparation facilities | |
| CN207496982U (en) | A kind of filling loading device of finished cement for cement production | |
| CN206500048U (en) | A kind of vertical fertilizer compounding machine | |
| CN207058933U (en) | A kind of land plaster automatic blending station | |
| CN210286016U (en) | Concrete powder conveyor | |
| CN207156146U (en) | A kind of batching plant | |
| CN214082145U (en) | Powder feeding device of concrete mixing plant | |
| CN113049073B (en) | Balance type plastic particle master batch weighing device | |
| CN210102990U (en) | Desulfurization gypsum feeder | |
| CN215619098U (en) | System brick proportioning machine | |
| CN216899161U (en) | Batching and weighing equipment for cement-based self-leveling mortar production | |
| CN207698614U (en) | A kind of powder feeding equipment of animal and fowl fodder | |
| CN207456998U (en) | Absolute method online moisture detector | |
| CN216785101U (en) | Concrete feed bin self-weighing discharging device | |
| CN204772958U (en) | Dosing unit for block forming machine | |
| CN216884618U (en) | Feeding device for cement manufacturing | |
| CN216334714U (en) | Servo spiral unloader is used to neodymium iron boron | |
| CN218535126U (en) | Concrete mixing plant cement weighing hopper | |
| CN213971834U (en) | Mobile YHZS60 station | |
| CN220389860U (en) | Recycled concrete batching and weighing system | |
| CN218981409U (en) | Belt discharging metering proportioning machine | |
| CN221051727U (en) | Raw material adding device for neutral borosilicate glass raw material proportioning |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |