CN211051421U - Be applicable to automatic material conveying equipment for active carbon powder - Google Patents
Be applicable to automatic material conveying equipment for active carbon powder Download PDFInfo
- Publication number
- CN211051421U CN211051421U CN201920731783.9U CN201920731783U CN211051421U CN 211051421 U CN211051421 U CN 211051421U CN 201920731783 U CN201920731783 U CN 201920731783U CN 211051421 U CN211051421 U CN 211051421U
- Authority
- CN
- China
- Prior art keywords
- blanking
- machine body
- carbon powder
- wall
- activated carbon
- 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
Images
Landscapes
- Carbon And Carbon Compounds (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
Abstract
An automatic feeding device suitable for activated carbon powder comprises a machine body, wherein a feeding hole is formed in the upper portion of the machine body, a discharging hole is formed in the lower portion of the machine body, a speed reducing motor is installed at the top of the machine body, a power output end of the speed reducing motor is connected with a rotating shaft through a coupler, 2 sections of reciprocating threads are tapped on the rotating shaft, blanking assemblies are installed on the 2 sections of reciprocating threads, and a roller body assembly is installed in the machine body and below the blanking assemblies; can carry out the guide effect to adding the activated carbon powder material to the organism through annular blanking plate for add to the activated carbon powder material on organism upper portion and guided to directly over the guide swash plate, can tentatively break up the material through the guide swash plate, use through the epaxial reciprocal screw-thread fit unloading subassembly and can be so that to be blocky activated carbon powder by even dispersion, its structural design is reasonable, and reinforced effectual.
Description
Technical Field
The utility model relates to an active carbon production facility field, in particular to be applicable to automatic material conveying equipment for active carbon powder.
Background
The prior art discloses the application numbers as follows: 201821036153.1A multi-pipeline activated carbon powder distributor comprises a hopper (1), a stirring rod (2), a powder distributing device (3) and a multi-opening pipe (6); a stirring rod (2) is arranged in the hopper (1); the top end of the hopper (1) is a feeding port, and the bottom end thereof is a discharging port; the bottom end of the hopper (1) is communicated with the powder distribution device (3), and the powder distribution device (3) is communicated with the multi-opening pipe (6); the stirring rod (2) is driven by an external driving device to rotate;
the multi-pipeline activated carbon powder distributor disclosed above is used during charging operation;
1. as known from the attached drawings of the specification, the top of the hopper is arranged in an open manner, and when the activated carbon powder is added into the hopper, the activated carbon powder is likely to fly and is poor in practicability;
2. as can be seen from the attached drawings of the specification, the plate-shaped objects arranged on the stirring rod for stirring are fixed on the stirring rod, the fixed mounting mode is uneven in stirring during stirring, and the activated carbon powder between the inner wall of the hopper and the plate-shaped objects cannot be stirred;
3. when the activated carbon powder passes through the powder roller, the activated carbon powder may be adhered to the powder roller, and the activated carbon powder deposited on the powder roller is difficult to remove after a long time;
in summary, the above 3 points, the multi-pipeline activated carbon powder distributor has technical defects, and the present application is directed to solve the above 3 point defects, and provides an automatic feeding device suitable for activated carbon powder, which has a good stirring effect and uniform feeding.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to prior art not enough, provide a structural design is reasonable, reinforced effectual one kind be applicable to activated carbon powder with automatic material conveying equipment.
The technical problem to be solved by the utility model is realized by the following technical scheme, comprising a machine body, wherein a feed inlet is arranged at the upper part of the machine body, a discharge outlet is arranged at the lower part of the machine body, a speed reducing motor is arranged at the top of the machine body, the power output end of the speed reducing motor is connected with a rotating shaft through a coupler, 2 sections of reciprocating screw threads are tapped on the rotating shaft, blanking components are arranged on the 2 sections of reciprocating screw threads, and a roller component is arranged in the machine body and below the blanking components;
the blanking assembly comprises a nut which is installed on a rotating shaft and used in a reciprocating thread fit mode, a fixed blanking disc is installed on the outer wall of the nut, a bearing installation hole is formed in the fixed blanking disc, a rotating bearing is fixedly installed in the bearing installation hole, the inner ring of the rotating bearing is fixed on the outer wall of the nut, the outer ring of the rotating bearing is fixed in the bearing installation hole, a movable blanking disc is fixedly installed on the upper side and the lower side of the fixed blanking disc on the outer wall of the nut, and a plurality of material leakage holes are formed in the fixed blanking disc and the movable blanking disc.
The technical problem to be solved by the utility model can also be realized by the following technical proposal that the automatic feeding equipment suitable for the activated carbon powder is fixedly provided with an annular blanking plate on the inner wall of the machine body and below the feed inlet;
the cross section of the annular blanking plate is in an annular shape, and the radius of the top edge of the inner wall of the annular blanking plate is larger than that of the bottom edge of the annular blanking plate.
The technical problem to be solved by the present invention can also be achieved by the following technical solution, the above mentioned automatic feeding device for activated carbon powder, the radius of the fixed blanking disc is larger than that of the movable blanking disc, the two ends of the fixed blanking disc are provided with guide holes, guide shafts are installed in the guide holes, one end of each guide shaft is fixedly provided with a guide block, and the guide blocks are fixedly installed on the inner wall of the machine body and above the movable blanking disc;
the cross section of the guide block is arranged in a circular ring shape, and the radius of the top end edge of the inner wall of the guide block is larger than that of the bottom end edge of the inner wall of the guide block.
The technical problem to be solved by the present invention can also be achieved by the following technical solution, in the above automatic feeding device for activated carbon powder, a guide sloping plate is further fixedly installed on the rotating shaft and between the guide block and the annular blanking plate, the cross section of the guide sloping plate is in a circular ring shape, and the longitudinal section of the guide sloping plate is in a trapezoid shape;
a plurality of blanking holes are formed in the material guide inclined plate, the number of the blanking holes is 8, and the distances among the 8 blanking holes are the same.
The technical problem to be solved by the present invention can also be achieved by the following technical solution, the above mentioned automatic feeding device for activated carbon powder, the roller assembly comprises a roller body installed on the inner wall of the machine body, one end of the roller body is connected with a stepping motor through a coupling, the other end is fixedly installed on the inner wall of the other side of the machine body through a rolling bearing, one side of the roller body fixedly installed with the rolling bearing is provided with an air chamber, the roller body is provided with a plurality of holes communicated with the air chamber, a bulge is further fixedly installed on the roller body and between the plurality of holes, and the machine body is further provided with an air inlet communicated with the open end of the air chamber;
protruding circumference fixed mounting on the outer wall of roll body, 2 adjacent bellied intervals are the same, the bellied hemispherical setting that is.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above an automatic material conveying equipment for activated carbon powder, fixed mounting has the air-blower on the organism outer wall, the air-blower goes out the tuber pipe and connects on the air inlet.
The to-be-solved technical problem of the utility model can also be realized through following technical scheme, above an automatic material conveying equipment for activated carbon powder be applicable to, the feed inlet be provided with 2, 2 top at the organism is seted up as the benchmark symmetry to the axis of pivot for the feed inlet.
Compared with the prior art, the utility model has the advantages as follows:
(1) the reciprocating thread on the rotating shaft is matched with the blanking assembly to use, so that the caking active carbon powder can be uniformly dispersed, namely when the active carbon powder falls onto the movable blanking disc, the caking or non-caking active carbon powder can fall onto the movable blanking disc above the fixed blanking disc by self weight, because the movable blanking disc is fixedly arranged on the nut, when the speed reducing motor drives the rotating shaft to rotate through the coupler, because the friction force exists between the thread on the inner wall of the nut and the two-way thread, the nut can move up and down along the reciprocating thread, namely, the nut is in a rotating state relative to the guide shaft, namely, the movable blanking disc can rotate relative to the guide shaft, the caking or non-caking active carbon powder on the movable blanking disc leaks onto the fixed blanking disc through the material leakage hole on the movable blanking disc, because the fixed blanking disc is arranged on the outer wall of the nut through the rotating bearing, the fixed blanking disc is in a static state relative to the nut, but the fixed blanking disc can move up and down along the guide shaft, the active carbon powder in a caking state or a non-caking state sequentially leaks to the lower part of the blanking assembly through the movable blanking disc and the material leaking holes on the fixed blanking disc, and during the period, the movable blanking disc is in a rotating state relative to the fixed blanking disc, the active carbon powder in a caking state or a non-caking state can be uniformly scattered to a certain degree during self-weight blanking, and the structure design is reasonable;
(2) the annular blanking plate can guide the activated carbon powder material added into the machine body, so that the activated carbon powder material added to the upper part of the machine body is guided to be right above the guide inclined plate;
(3) can tentatively break up the material through the guide swash plate, the material falls on the guide swash plate back through annular blanking plate promptly, is in the rotating state because of the pivot, and the pivot is fixed mounting structure with the guide swash plate, so can rotate simultaneously with the guide swash plate when the pivot rotates, be caking form or non-caking massive active carbon powder when the dead weight blanking passes through the blanking hole on the guide swash plate by the homodisperse to a certain extent, its structural design is reasonable, and the unloading is effectual.
Drawings
FIG. 1 is a schematic structural view of the present invention before use;
FIG. 2 is a schematic view of the present invention in use;
fig. 3 is a schematic structural view of the material guiding sloping plate of the present invention;
FIG. 4 is a schematic structural view of the fixed blanking tray of the present invention;
FIG. 5 is a schematic structural view of the movable blanking tray of the present invention;
fig. 6 is a schematic diagram of a partially enlarged structure of the present invention.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings so as to facilitate the further understanding of the present invention by those skilled in the art, and do not limit the right thereto.
unloading subassembly including installing nut 7 that uses with the cooperation of reciprocal screw thread 6 in pivot 5, install fixed blanking dish 8 on the outer wall of nut 7, bearing mounting hole 9 has been seted up on fixed blanking dish 8, fixed mounting has rolling bearing in bearing mounting hole 9, rolling bearing's inner circle is fixed on the outer wall of nut 7, rolling bearing's outer lane is fixed in bearing mounting hole 9, on the outer wall of nut 7, the equal fixed mounting in the upper and lower both sides of fixed blanking dish 8 has movable blanking dish 10, all seted up a plurality of hourglass material holes 11 on fixed blanking dish 8 and movable blanking dish 10.
In the embodiment 1, the speed reducing motor 4 is installed on the outer wall of the top end of the middle part of the machine body 1, and the speed reducing motor 4 can adopt a 220V single-phase alternating current gear speed reducing motor 4; the distance between the fixed blanking disc 8 and the movable blanking disc 10 is 1.5cm, and the cross sections of the fixed blanking disc 8 and the movable blanking disc 10 are arranged in a circular shape; the cross section of the machine body 1 is circular, and the radius of the middle part of the machine body is larger than the radius of the two ends of the machine body.
the cross section of the annular blanking plate 12 is in an annular shape, and the radius of the top edge of the inner wall of the annular blanking plate 12 is larger than that of the bottom edge thereof. The annular blanking plate 12 can guide the activated carbon powder material added into the machine body 1, so that the activated carbon powder material added to the upper part of the machine body 1 is guided to be right above the guide inclined plate 15.
the cross section of the guide block 14 is arranged in a circular ring shape, and the radius of the top end edge of the inner wall of the guide block 14 is larger than that of the bottom end edge thereof.
In embodiment 4, the automatic feeding device for activated carbon powder described in embodiment 3 further includes a material guiding sloping plate 15 fixedly mounted on the rotating shaft 5 and between the guide block 14 and the annular blanking plate 12, the cross section of the material guiding sloping plate 15 is arranged in a circular ring shape, and the longitudinal section of the material guiding sloping plate 15 is arranged in a trapezoid shape;
a plurality of blanking holes 23 are formed in the material guide inclined plate 15, the number of the blanking holes 23 is 8, and the distances among the 8 blanking holes 23 are the same.
the bulges 20 are circumferentially and fixedly arranged on the outer wall of the roller body 16, the distance between every two adjacent bulges 20 is the same, and the bulges 20 are arranged in a hemispherical shape. The stepping motor 17 is fixedly arranged on the outer wall of the machine body 1, the power output end of the stepping motor 17 extends into the machine body 1 by punching holes on the outer wall of the machine body 1, and the stepping motor 17 can adopt a 86BYG250H type stepping motor 17; the inner wall of the air chamber 18 is provided in a cylindrical shape, the air chamber 18 has only 1 opening, i.e., an opening communicating with the air inlet 21, and the inner race of the rotational bearing on the roller body 16 is fixed to the roller body 16 and the end of the air chamber 18.
Example 6, an automatic loading apparatus for activated carbon powder described in example 5, comprising a blower 22 fixedly installed on the outer wall of a machine body 1, an outlet duct of the blower 22 connected to an air inlet 21, wherein the outlet duct of the blower 22 is directly connected to the air inlet 21 through a pipe, and the blower 22 may be a D L S-CFJ01-1 type blower 22.
When the automatic feeding equipment suitable for activated carbon powder is used, the reduction motor 4, the stepping motor 17 and the fan are powered by an external power supply to work, the reduction motor 4, the stepping motor 17 and the fan are respectively started to work, the power output end of the reduction motor 4 drives the rotating shaft 5 to rotate through the coupler, activated carbon powder to be processed is added into the machine body 1 through the feed inlet 2, 2 feed inlets 2 are arranged, 2 feed inlets 2 can improve the feeding amount of the machine body 1, the processing efficiency is high, the activated carbon powder material added into the machine body 1 can be guided through the annular blanking plate 12, so that the activated carbon powder material added to the upper part of the machine body 1 is guided to be right above the guide inclined plate 15, the material can be primarily scattered through the guide inclined plate 15, namely, after the material falls onto the guide inclined plate 15 through the annular blanking plate 12, the rotating shaft 5 is in a rotating state, the rotating shaft 5 and the material guiding sloping plate 15 are fixed installation structure, so the rotating shaft 5 rotates with the material guiding sloping plate 15 simultaneously when rotating, the agglomerated or non-agglomerated activated carbon powder is uniformly dispersed to a certain extent when the agglomerated or non-agglomerated activated carbon powder falls through the material falling hole 23 on the material guiding sloping plate 15 by self weight, the primarily dispersed activated carbon powder falls onto the material falling component by self weight, when the activated carbon powder falls onto the movable material falling disc 10, the agglomerated or non-agglomerated activated carbon powder falls onto the movable material falling disc 10 above the fixed material falling disc 8 by self weight, because the movable material falling disc 10 is fixedly installed on the nut 7, when the reducing motor 4 drives the rotating shaft 5 to rotate by the coupler, because of the friction between the thread on the inner wall of the nut 7 and the bidirectional thread, the nut 7 moves up and down along the reciprocating thread 6, namely the nut 7 is in a rotating state relative to the guiding shaft 13, namely, the movable blanking disc 10 will rotate relative to the guiding shaft 13, the active carbon powder in the form of lump or non-lump on the movable blanking disc 10 will leak to the fixed blanking disc 8 through the material leaking hole 11 on the movable blanking disc 10, because the fixed blanking disc 8 is installed on the outer wall of the nut 7 through the rotating bearing, the fixed blanking disc 8 will be in the static state relative to the nut 7, but the fixed blanking disc 8 will move up and down along the guiding shaft 13, the active carbon powder in the form of lump or non-lump will leak to the lower part of the blanking component through the material leaking hole 11 on the movable blanking disc 10 and the fixed blanking disc 8 in turn, during the period, the movable blanking disc 10 will be in the rotating state relative to the fixed blanking disc 8, the active carbon powder in the form of lump or non-lump will be scattered uniformly again to a certain extent when falling by its own weight, the scattered active carbon powder will drop onto the roller body 16 by its own weight, because one end of the roller body 16 is connected with the power output end of the stepping motor 17 through the coupling, and the other end is fixedly installed on the other side inner wall of the machine body 1 through the rotating bearing, namely the roller body 16 can rotate on the inner wall of the machine body 1, namely the bulge 20 on the roller body 16 is also in a rotating state relative to the inner wall of the machine body 1, during the period, the activated carbon powder is interfered with the bulge 20 and is scattered again when falling onto the bulge 20 by the self weight, because one end of the roller body 16 is provided with the air chamber 18, the roller body 16 between the adjacent 2 bulges 20 is provided with the hole 19 communicated with the air chamber 18, the air inlet 21 communicated with the open end of the air chamber 18 is blown by the external air blower 22, the outer contour of the bottom end part of the bulge 20 is blown by the hole 19, the activated carbon powder is prevented from depositing on the bulge 20 on the roller body 16 to a, blow air chamber 18 constantly through air-blower 22, make a small amount of active carbon powder blow off from air chamber 18 in the air chamber 18, and roll body 16 only is provided with 1, this roll body 16 set up only for this active carbon powder with the auxiliary arrangement of automatic material conveying equipment, even can not evenly break up all active carbon powder materials in organism 1, can not influence the even reinforced effect of the active carbon powder material of whole active carbon powder with the automatic material conveying equipment yet, the active carbon powder material after breaking up is through discharge gate 3 discharge organism 1, its structural design is reasonable, reinforced effectual.
Claims (7)
1. The utility model provides a be applicable to automatic material conveying equipment for activated carbon powder which characterized in that: the automatic feeding device comprises a machine body, wherein a feeding hole is formed in the upper part of the machine body, a discharging hole is formed in the lower part of the machine body, a speed reducing motor is installed at the top of the machine body, a power output end of the speed reducing motor is connected with a rotating shaft through a coupler, 2 sections of reciprocating threads are arranged on the rotating shaft, blanking assemblies are installed on the 2 sections of reciprocating threads, and roller body assemblies are installed in the machine body and below the blanking assemblies;
the blanking assembly comprises a nut which is installed on a rotating shaft and used in a reciprocating thread fit mode, a fixed blanking disc is installed on the outer wall of the nut, a bearing installation hole is formed in the fixed blanking disc, a rotating bearing is fixedly installed in the bearing installation hole, the inner ring of the rotating bearing is fixed on the outer wall of the nut, the outer ring of the rotating bearing is fixed in the bearing installation hole, a movable blanking disc is fixedly installed on the upper side and the lower side of the fixed blanking disc on the outer wall of the nut, and a plurality of material leakage holes are formed in the fixed blanking disc and the movable blanking disc.
2. The automatic feeding equipment for activated carbon powder as claimed in claim 1, wherein: an annular blanking plate is fixedly arranged on the inner wall of the machine body and below the feeding hole;
the cross section of the annular blanking plate is in an annular shape, and the radius of the top edge of the inner wall of the annular blanking plate is larger than that of the bottom edge of the annular blanking plate.
3. The automatic feeding equipment for activated carbon powder as claimed in claim 2, wherein: the radius of the fixed blanking disc is larger than that of the movable blanking disc, guide holes are formed in two ends of the fixed blanking disc, guide shafts are mounted in the guide holes, guide blocks are fixedly mounted at one ends of the guide shafts, and the guide blocks are fixedly mounted on the inner wall of the machine body and above the movable blanking disc;
the cross section of the guide block is arranged in a circular ring shape, and the radius of the top end edge of the inner wall of the guide block is larger than that of the bottom end edge of the inner wall of the guide block.
4. The automatic feeding equipment for activated carbon powder as claimed in claim 3, wherein: a material guide inclined plate is fixedly arranged on the rotating shaft and between the guide block and the annular blanking plate, the cross section of the material guide inclined plate is arranged in a circular ring shape, and the longitudinal section of the material guide inclined plate is arranged in a trapezoid shape;
a plurality of blanking holes are formed in the material guide inclined plate, the number of the blanking holes is 8, and the distances among the 8 blanking holes are the same.
5. The automatic feeding equipment for activated carbon powder as claimed in claim 1, wherein: the roller body assembly comprises a roller body arranged on the inner wall of the machine body, one end of the roller body is connected with a stepping motor through a coupler, the other end of the roller body is fixedly arranged on the inner wall of the other side of the machine body through a rotating bearing, one side of the roller body fixedly provided with the rotating bearing is provided with an air chamber, the roller body is provided with a plurality of holes communicated with the air chamber, bulges are fixedly arranged on the roller body and among the holes, and the machine body is also provided with an air inlet communicated with the open end of the air chamber;
protruding circumference fixed mounting on the outer wall of roll body, 2 adjacent bellied intervals are the same, the bellied hemispherical setting that is.
6. The automatic feeding equipment for activated carbon powder as claimed in claim 5, wherein: the outer wall of the machine body is fixedly provided with an air blower, and an air outlet pipe of the air blower is connected to the air inlet.
7. The automatic feeding equipment for activated carbon powder as claimed in claim 1, wherein: the feed inlet be provided with 2, 2 feed inlets use the axis of pivot as the top at the organism of benchmark symmetry division.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731783.9U CN211051421U (en) | 2019-05-21 | 2019-05-21 | Be applicable to automatic material conveying equipment for active carbon powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920731783.9U CN211051421U (en) | 2019-05-21 | 2019-05-21 | Be applicable to automatic material conveying equipment for active carbon powder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211051421U true CN211051421U (en) | 2020-07-21 |
Family
ID=71583141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920731783.9U Active CN211051421U (en) | 2019-05-21 | 2019-05-21 | Be applicable to automatic material conveying equipment for active carbon powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211051421U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354499A (en) * | 2020-10-20 | 2021-02-12 | 胡军荣 | Perfume processing is with urging old device |
| CN112742277A (en) * | 2021-01-21 | 2021-05-04 | 常州海石智能装备有限公司 | Automatic feeding and color matching machine |
-
2019
- 2019-05-21 CN CN201920731783.9U patent/CN211051421U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112354499A (en) * | 2020-10-20 | 2021-02-12 | 胡军荣 | Perfume processing is with urging old device |
| CN112742277A (en) * | 2021-01-21 | 2021-05-04 | 常州海石智能装备有限公司 | Automatic feeding and color matching machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211051421U (en) | Be applicable to automatic material conveying equipment for active carbon powder | |
| CN203079284U (en) | Belt feeder | |
| CN202803363U (en) | Air-locking discharging valve of vertical mill | |
| CN102319602A (en) | Planetary powder grinding machine | |
| CN206483365U (en) | Double shaft dust humidifier | |
| CN116571430B (en) | Powder screening equipment | |
| CN216716847U (en) | Washing flying ash drying process system | |
| CN202080687U (en) | Roller slag stirrer | |
| CN109569853B (en) | Combined grinding system composed of ball mill and roller press | |
| CN203209120U (en) | Energy-saving sand grinding machine | |
| CN215963896U (en) | Raymond mill feeding adjusting device | |
| CN109317297A (en) | Discharge wheel is used on a kind of air dry sand Recognition Applied in Coal Preparation System | |
| CN209791744U (en) | powder uniform discharging device | |
| CN100448544C (en) | Roller grinder | |
| CN205132342U (en) | Automatic feeding with technology window | |
| CN210366044U (en) | Automatic raw materials dispenser of adjustment gradation | |
| CN209254967U (en) | Discharge wheel is used on a kind of air dry sand Recognition Applied in Coal Preparation System | |
| CN208387357U (en) | Stalk crasher feeding chamber | |
| CN101036900A (en) | Huge horomill | |
| CN206969761U (en) | From descaling type revolving plow reclaimer | |
| CN209302910U (en) | Full-automatic feather pulverizer | |
| CN201446004U (en) | Powder conveying device | |
| CN208948384U (en) | A kind of disc distributor finely controlled | |
| CN201359432Y (en) | Charging device for feeding rotary disc of rotary hearth furnace and feeding system of rotary hearth furnace | |
| CN219078494U (en) | Air locking feeding valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |