CN220143243U - Batching device - Google Patents
Batching device Download PDFInfo
- Publication number
- CN220143243U CN220143243U CN202321484317.8U CN202321484317U CN220143243U CN 220143243 U CN220143243 U CN 220143243U CN 202321484317 U CN202321484317 U CN 202321484317U CN 220143243 U CN220143243 U CN 220143243U
- Authority
- CN
- China
- Prior art keywords
- stirring
- motor
- crushing
- batching
- crushing roller
- 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.)
- Active
Links
- 238000003756 stirring Methods 0.000 claims abstract description 86
- 238000007599 discharging Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 9
- 230000006978 adaptation Effects 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 41
- 239000000463 material Substances 0.000 abstract description 19
- 238000002156 mixing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005266 casting Methods 0.000 abstract description 5
- 239000000843 powder Substances 0.000 description 3
- 210000000988 bone and bone Anatomy 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The utility model relates to the technical field of casting material processing, in particular to a batching device, which comprises a stirring bin, a discharging pipe, a first electromagnetic valve, a water inlet pipe, a stirring mechanism and a crushing assembly, wherein the crushing assembly comprises a first motor, a second motor, a crushing box, a rotating shaft, a plurality of rotating blades, a driving crushing roller and a driven crushing roller, and a feed inlet is formed in the top of the crushing box. Starting a first motor and a second motor, driving a driving crushing roller to rotate through the first motor, driving a driven crushing roller to rotate, driving a rotating shaft to rotate through the second motor, driving each rotary blade to rotate, pouring raw materials into a crushing box through a feeding port, crushing the raw materials through the driving crushing roller and the driven crushing roller, and secondarily crushing the crushed raw materials through the rotation of the rotary blades after crushing, so that the situation of caking of the raw materials is avoided, and the effect during mixing is improved.
Description
Technical Field
The utility model relates to the technical field of casting material processing, in particular to a batching device.
Background
When the castable is manufactured, various raw materials are required to be mixed together according to a proportion, the quality of ingredients directly affects the quality of products, the traditional production process is operated by manual steps from the treatment of the raw materials to the preparation and stirring, the ingredients are inaccurate, the quality of the castable is unstable, the quality of the products is not ensured, the labor intensity of workers is high, and the working efficiency is low.
Prior art patent (CN 214187850U) discloses a castable feed proportioning system, including title material mechanism and stirring storehouse, title material mechanism downside is provided with the hopper balance, and the hopper balance top is provided with bone material jar, powder jar and cementation material jar respectively, and each jar body is opened by closing means control, opens the bone material jar at first, and the aggregate gets into the hopper balance and weighs, then opens powder jar and cementation material jar in proper order, weighs powder and cementation material, and after the title dress, transport the mixed material to the stirring storehouse through sealed passageway, the device easy operation has the characteristics that the proportioning accuracy is high.
However, in the prior art, the raw materials are easy to agglomerate, and the massive raw materials are unfavorable for mixing the castable, so that the effect of mixing the castable is reduced, and the mixing effect is poor.
Disclosure of Invention
The utility model aims to provide a batching device, which solves the problems that raw materials are easy to agglomerate, massive raw materials are unfavorable for mixing of castable materials, so that the mixing effect of the castable materials is reduced, and the mixing effect is poor in the prior art.
In order to achieve the above purpose, the utility model provides a batching device, which comprises a stirring bin, a discharging pipe, a first electromagnetic valve, a water inlet pipe, a stirring mechanism and a crushing assembly, wherein the water inlet pipe is communicated with the stirring bin and is positioned at the left top of the stirring bin, the discharging pipe is communicated with the stirring bin and is positioned at the bottom of the stirring bin, the first electromagnetic valve is arranged on the discharging pipe, the stirring mechanism is arranged in the stirring bin, the crushing assembly comprises a first motor, a second motor, a crushing box, a rotating shaft, a plurality of rotary blades, a driving crushing roller and a driven crushing roller, the top of the crushing box is provided with a feeding hole, the crushing box is communicated with the stirring bin and is positioned at the right top of the stirring bin, both ends of the driving crushing roller and the driven crushing roller are rotatably connected with the inner side wall of the crushing box, the driving crushing roller and the driven crushing roller are adapted, the first motor is fixedly connected with the crushing box and is positioned at the outer side wall of the crushing box, the output end of the first motor is penetrated through the first motor, the driving crushing roller is fixedly connected with the rotating shaft and the two crushing rollers are fixedly connected with the two end of the inner side walls of the crushing box, and the two crushing rollers are fixedly connected with the rotating shaft and the two ends of the crushing box, and the two crushing rollers are rotatably connected with the two ends of the inner side wall of the crushing box and the two crushing roller are fixedly arranged at the inner side wall.
The stirring mechanism comprises a third motor, a vertical shaft, a plurality of stirring rods, a bottom rod and two stirring blades, wherein the third motor is fixedly connected with the stirring bin and is positioned at the top of the stirring bin, one end of the vertical shaft is rotationally connected with the stirring bin and is positioned on the inner top wall of the stirring bin, the output end of the third motor penetrates through the stirring bin and is fixedly connected with one end of the vertical shaft, each stirring rod is arranged on the vertical shaft in a surrounding mode, the bottom rod is fixedly connected with the vertical shaft and is positioned at the bottom of the vertical shaft, and two ends of the bottom rod are respectively fixedly connected with the corresponding stirring blades and are positioned between the two stirring blades.
Wherein, dosing unit still includes four supporting legs, four the supporting leg all encircle set up in smash the bottom of case.
Wherein, dosing unit still includes apron, inlet pipe, second solenoid valve, hopper balance and two batching units, the apron fixed cover is established the top of feed inlet, the one end of inlet pipe with the apron intercommunication is located the top of apron, the other end of inlet pipe with the exit end intercommunication of hopper balance, and be located the bottom of hopper balance, the second solenoid valve set up in the hopper balance with the junction of inlet pipe, two batching units set up in smash the top both sides of case.
Each batching unit comprises two supporting columns, a conveying pipe, a third electromagnetic valve and a batching box, one end of each supporting column is fixedly connected with the crushing box and located at the top of the crushing box, the other end of each supporting column is fixedly connected with the batching box and located below the batching box, one end of the conveying pipe is communicated with the batching box and located at the bottom of the batching box, the other end of the conveying pipe is located above the hopper scale, the third electromagnetic valve is arranged at the joint of the batching box and the conveying pipe, and the top of the batching box is provided with an opening.
According to the batching device, the first motor and the second motor are started, the first motor drives the driving crushing roller to rotate, the driven crushing roller is further driven to rotate, the second motor drives the rotating shaft to rotate, each rotating blade is further driven to rotate, raw materials are poured into the crushing box through the feeding port, the raw materials are crushed through the driving crushing roller and the driven crushing roller, the crushed raw materials are secondarily crushed through the rotation of the rotating blades, and the situation that the raw materials are agglomerated is avoided through the two crushing steps, so that the effect of mixing is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic overall structure of a first embodiment of the present utility model.
Fig. 2 is an overall cross-sectional view of a first embodiment of the present utility model.
Fig. 3 is a schematic overall structure of a second embodiment of the present utility model.
Fig. 4 is an overall cross-sectional view of a second embodiment of the present utility model.
Fig. 5 is an enlarged view of the partial structure at a of fig. 4 according to the present utility model.
101-stirring bin, 102-discharging pipe, 103-first electromagnetic valve, 104-water inlet pipe, 105-first motor, 106-second motor, 107-crushing box, 108-rotating shaft, 109-rotating blade, 110-driving crushing roller, 111-driven crushing roller, 112-feeding port, 113-third motor, 114-vertical shaft, 115-stirring rod, 116-bottom rod, 117-stirring blade, 118-supporting leg, 201-cover plate, 202-feeding pipe, 203-second electromagnetic valve, 204-hopper scale, 205-batching unit, 206-supporting column, 207-conveying pipe, 208-third electromagnetic valve, 209-batching box, 210-opening.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
First embodiment:
referring to fig. 1 and 2, fig. 1 is a schematic overall structure of a first embodiment of the present utility model, and fig. 2 is a sectional overall view of the first embodiment of the present utility model.
The utility model provides a batching device, which comprises a stirring bin 101, a discharging pipe 102, a first electromagnetic valve 103, a water inlet pipe 104, a stirring mechanism, a crushing assembly and four supporting legs 118, wherein the crushing assembly comprises a first motor 105, a second motor 106, a crushing box 107, a rotating shaft 108, a plurality of rotating blades 109, a driving crushing roller 110 and a driven crushing roller 111, the top of the crushing box 107 is provided with a feeding hole 112, and the stirring mechanism comprises a third motor 113, a vertical shaft 114, a plurality of stirring rods 115, a bottom rod 116 and two stirring blades 117.
For this embodiment, the first motor 105, the second motor 106 and the third motor 113 are started, the raw materials are crushed by the driving crushing roller 110 and the driven crushing roller 111, then the raw materials are secondarily crushed by the rotating blade 109, finally the raw materials fall into the stirring bin 101, the vertical shaft 114 drives the stirring rods 115 and the two stirring blades 117 to mix the raw materials, and the above structure arrangement avoids the raw materials from caking, thereby improving the mixing effect.
The water inlet pipe 104 is communicated with the stirring bin 101 and is located at the left top of the stirring bin 101, the discharging pipe 102 is communicated with the stirring bin 101 and is located at the bottom of the stirring bin 101, the first electromagnetic valve 103 is arranged on the discharging pipe 102, the stirring mechanism is arranged in the stirring bin 101, a feeding hole 112 is formed in the top of the stirring bin 107, the stirring bin 101 is communicated with the stirring bin 101 and is located at the right top of the stirring bin 101, two ends of the driving crushing roller 110 and two ends of the driven crushing roller 111 are all in rotary connection with the inner side wall of the stirring bin 107, the driving crushing roller 110 and the driven crushing roller 111 are matched with each other, the first motor 105 is fixedly connected with the crushing bin 107 and is located at the outer side wall of the crushing bin 107, the output end of the first motor 105 penetrates through the crushing bin 107 and is fixedly connected with one end of the driving crushing roller 110, two ends of the rotating shaft 108 are all in rotary connection with the inner side wall 108 of the crushing bin 107, the driving crushing roller 110 and the rotating shaft 108 are all in rotary connection with the second end of the rotating shaft 108, and the rotating shaft 108 is located around the second end of the rotating shaft 106 and is fixedly connected with the rotating shaft 106. Through the feed inlet 112 pour into smash in the case 107, through initiative crushing roller 110 with driven crushing roller 111 smashes the raw materials, and rethread behind the crushing rotation of rotary blade 109 carries out secondary crushing to the raw materials after smashing, through above-mentioned twice crushing to avoid the condition that the raw materials appears agglomerating, improved the effect when mixing.
Secondly, third motor 113 with stirring storehouse 101 fixed connection, and be located stirring storehouse 101's top, the one end of vertical axis 114 with stirring storehouse 101 rotates to be connected, and is located stirring storehouse 101's interior roof, the output of third motor 113 runs through stirring storehouse 101, and with one end fixed connection of vertical axis 114, every stirring rod 115 all encircle set up in on the vertical axis 114, bottom rod 116 with vertical axis 114 fixed connection, and be located the bottom of vertical axis 114, the both ends of bottom rod 116 respectively with corresponding stirring vane 117 fixed connection, and be located two between the stirring vane 117. After the fully crushed raw materials fall into the stirring bin 101, the third motor 113 is started, the vertical shafts 114 connected with the output ends of the third motor 113 drive the stirring rods 115 and the bottom rods 116 to rotate, the bottom rods 116 drive the two stirring blades 117 to rotate, a proper amount of liquid is added into the stirring bin 101 through the water inlet pipe 104, the raw materials in the stirring bin 101 are fully mixed through the arrangement of the structure, and after the mixing is finished, the first electromagnetic valve 103 is opened, so that the mixed raw materials flow out of the device through the discharging pipe 102.
Meanwhile, four support legs 118 are all disposed around the bottom of the pulverizing box 107. The entire dosing unit is carried by four of the support legs 118.
When the electromagnetic valve is used for mixing raw materials, the first motor 105 and the second motor 106 are started, the first motor 105 drives the driving crushing roller 110 to rotate, the driven crushing roller 111 is driven to rotate, the second motor 106 drives the rotating shaft 108 to rotate, each rotating blade 109 is driven to rotate, the raw materials are poured into the crushing box 107 through the feeding hole 112, the raw materials are crushed through the driving crushing roller 110 and the driven crushing roller 111, the crushed raw materials are crushed again through the rotation of the rotating blade 109, the crushed raw materials fall into the stirring bin 101, the third motor 113 is started, the plurality of stirring rods 115 and the bottom rods 116 are driven to rotate through the vertical shafts 114 connected with the output end of the third motor 113, the two stirring blades 117 are driven to rotate through the bottom rods 116, a proper amount of liquid is added into the stirring bin 101 through the feeding pipe 104, the crushed raw materials are mixed completely through the electromagnetic valve 103, and the electromagnetic valve is opened after the raw materials are mixed completely, and the electromagnetic valve 102 is discharged after the raw materials are mixed.
Second embodiment:
on the basis of the first embodiment, please refer to fig. 3 to 5, wherein fig. 3 is a schematic overall structure diagram of the second embodiment of the present utility model, fig. 4 is an overall cross-sectional view of the second embodiment of the present utility model, and fig. 5 is a partial enlarged structural view of fig. 4 a of the present utility model.
The utility model provides a batching device, which further comprises a cover plate 201, a feed pipe 202, a second electromagnetic valve 203, a hopper scale 204 and two batching units 205, wherein each batching unit 205 comprises two support columns 206, a feed conveying pipe 207, a third electromagnetic valve 208 and a batching box 209, and an opening 210 is formed in the top of the batching box 209.
For this embodiment, each dosing unit 205 includes a dosing tank 209 that is respectively filled with different raw materials of castable, and the third solenoid valve 208 is opened, so that the raw materials in the dosing tank 209 fall into the hopper scale 204 to weigh, and when the dosing proportion is reached, the third solenoid valve 208 is closed, and the second solenoid valve 203 is opened, so that the raw materials fall into the crushing tank 107 to crush, and the dosing proportion of the castable can be more accurate by metering of the hopper scale 204.
Wherein, the cover plate 201 is fixedly covered above the feed inlet 112, one end of the feed pipe 202 is communicated with the cover plate 201 and is located at the top of the cover plate 201, the other end of the feed pipe 202 is communicated with the outlet end of the hopper scale 204 and is located at the bottom of the hopper scale 204, the second electromagnetic valve 203 is arranged at the joint of the hopper scale 204 and the feed pipe 202, two batching units 205 are arranged at two sides of the top of the crushing box 107, one end of each supporting column 206 is fixedly connected with the crushing box 107 and is located at the top of the crushing box 107, the other end of each supporting column 206 is fixedly connected with the batching box 209 and is located below the batching box 209, one end of the conveying pipe 207 is communicated with the batching box 209 and is located at the bottom of the batching box 209, the other end of the conveying pipe 207 is located above the hopper scale 204, the third electromagnetic valve 208 is arranged at the joint of the batching box 209 and the conveying pipe 207, and the top of the batching box 209 is provided with an opening 210. Each dosing unit 205 includes a dosing tank 209 that is respectively filled with different castable materials, and the third solenoid valve 208 is opened, so that the castable materials in the dosing tank 209 fall into the hopper scale 204 to be weighed, when the dosing proportion is reached, the third solenoid valve 208 is closed, and the second solenoid valve 203 is opened, so that the castable materials fall into the crushing tank 107 to be crushed, and the dosing proportion of the castable materials can be more accurate through the metering of the hopper scale 204.
When the utility model is used for more accurately proportioning raw materials of casting materials, different raw materials of casting materials are respectively placed in the batching boxes 209 included in each batching unit 205, the third electromagnetic valve 208 is opened, so that the raw materials in the batching boxes 209 fall into the hopper scale 204 through the conveying pipe 207 for weighing, after the batching proportion is reached, the third electromagnetic valve 208 is closed, the second electromagnetic valve 203 is opened, so that the raw materials fall into the crushing box 107 for crushing, and the batching proportion of the casting materials can be more accurately measured through the metering of the hopper scale 204, thereby improving the quality of products, and when the raw materials in the batching boxes 209 are insufficient, the opening 210 can be used for filling the inside of the batching boxes 209.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present utility model, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the utility model.
Claims (5)
1. The batching device comprises a stirring bin, a discharging pipe, a first electromagnetic valve, a water inlet pipe and a stirring mechanism, wherein the water inlet pipe is communicated with the stirring bin and is positioned at the left top of the stirring bin, the discharging pipe is communicated with the stirring bin and is positioned at the bottom of the stirring bin, the first electromagnetic valve is arranged on the discharging pipe, the stirring mechanism is arranged in the stirring bin,
the grinding assembly is also included;
the utility model provides a crushing subassembly includes first motor, second motor, smashes case, pivot, a plurality of rotary blade, initiative crushing roller and driven crushing roller, the top of smashing the case has the feed inlet, smash the case with the stirring storehouse intercommunication is located the right top of stirring storehouse, initiative crushing roller with the both ends of driven crushing roller all with the inside wall of smashing the case rotates to be connected, just initiative crushing roller with driven crushing roller adaptation, first motor with smash case fixed connection, and be located smash the outside wall of case, the output of first motor runs through smash the case, and with the one end fixed connection of initiative crushing roller, the both ends of pivot all with smash the inside wall of case and rotate to be connected, just the pivot is located initiative crushing roller with driven crushing roller's below, the second motor with smash case fixed connection, and be located smash the outside wall of case, the output of second motor runs through smash the case, and with one end fixed connection each rotary blade encircles and sets up in on the pivot.
2. The dispensing apparatus of claim 1, wherein,
the stirring mechanism comprises a third motor, a vertical shaft, a plurality of stirring rods, a bottom rod and two stirring blades, wherein the third motor is fixedly connected with the stirring bin and is positioned at the top of the stirring bin, one end of the vertical shaft is rotationally connected with the stirring bin and is positioned on the inner top wall of the stirring bin, the output end of the third motor penetrates through the stirring bin and is fixedly connected with one end of the vertical shaft, each stirring rod is arranged on the vertical shaft in a surrounding mode, the bottom rod is fixedly connected with the vertical shaft and is positioned at the bottom of the vertical shaft, and two ends of the bottom rod are respectively fixedly connected with the corresponding stirring blades and are positioned between the two stirring blades.
3. The dispensing apparatus of claim 2, wherein,
the batching device further comprises four supporting legs, and the four supporting legs are all arranged at the bottom of the crushing box in a surrounding mode.
4. The dispensing apparatus of claim 3, wherein,
the batching device further comprises a cover plate, a feed pipe, a second electromagnetic valve, a hopper scale and two batching units, wherein the cover plate is fixedly arranged above the feed inlet, one end of the feed pipe is communicated with the cover plate and located at the top of the cover plate, the other end of the feed pipe is communicated with the outlet end of the hopper scale and located at the bottom of the hopper scale, the second electromagnetic valve is arranged at the joint of the hopper scale and the feed pipe, and the two batching units are arranged at the two sides of the top of the crushing box.
5. The dispensing apparatus of claim 4, wherein,
each batching unit comprises two support columns, a conveying pipe, a third electromagnetic valve and a batching box, one end of each support column is fixedly connected with the crushing box and is located at the top of the crushing box, the other end of each support column is fixedly connected with the batching box and is located below the batching box, one end of the conveying pipe is communicated with the batching box and is located at the bottom of the batching box, the other end of the conveying pipe is located above the hopper scale, the third electromagnetic valve is arranged at the joint of the batching box and the conveying pipe, and the top of the batching box is provided with an opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484317.8U CN220143243U (en) | 2023-06-12 | 2023-06-12 | Batching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321484317.8U CN220143243U (en) | 2023-06-12 | 2023-06-12 | Batching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220143243U true CN220143243U (en) | 2023-12-08 |
Family
ID=89022508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321484317.8U Active CN220143243U (en) | 2023-06-12 | 2023-06-12 | Batching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220143243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117839520A (en) * | 2024-03-07 | 2024-04-09 | 四川兰冠能源科技有限公司 | Powder fracturing fluid continuous mixing equipment and method |
-
2023
- 2023-06-12 CN CN202321484317.8U patent/CN220143243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117839520A (en) * | 2024-03-07 | 2024-04-09 | 四川兰冠能源科技有限公司 | Powder fracturing fluid continuous mixing equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220143243U (en) | Batching device | |
| CN107261930B (en) | Powder crushing, feeding and mixing device | |
| CN206500066U (en) | A kind of tea oil production stirring mixer | |
| US4865457A (en) | Concrete batcher with segmented entry of mixing ingredients | |
| CN112619516A (en) | Mixed type feed additive production is with smashing mixing apparatus | |
| CN210580929U (en) | Novel improvement fungus feed production system | |
| CN215901427U (en) | Quantitative adding device suitable for concrete admixture production | |
| CN212125598U (en) | Quantitative subpackaging device for feed | |
| CN219988049U (en) | Weighing and proportioning device for cement production | |
| CN111167351A (en) | Culture solution stirring device for vegetable planting and cultivation | |
| CN220026808U (en) | Decoloring adsorbent premixing equipment | |
| CN218250060U (en) | Batching agitating unit of beryllium oxide preparation raw materials | |
| CN219599970U (en) | Automatic weigh grouting machine of control mix proportion | |
| CN219002970U (en) | Raw material proportioning device with quantitative conveying structure | |
| CN215028355U (en) | Snail powder batching production and processing is with mixing machine | |
| CN220129192U (en) | Batching device for rubber processing | |
| CN220276766U (en) | Plant nutrition foliar fertilizer production blending device | |
| CN220328429U (en) | Batching device for ice powder production and processing | |
| CN220479004U (en) | Full ration reducing mechanism for livestock-raising | |
| CN216260114U (en) | A evenly reinforced mixing mechanism for granulator | |
| CN219399935U (en) | Material mixing stirring device for grouting in coal mine | |
| CN220593682U (en) | Batching device for conveyor belt production | |
| CN220008301U (en) | Batching device for concrete raw material processing | |
| CN220386392U (en) | Vertical liquid preparation tank for liquid medicament | |
| CN219946731U (en) | Metering machine for mixing machine-made sand concrete |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |