CN223980375U - A stirring device for phosphate fertilizer production - Google Patents
A stirring device for phosphate fertilizer productionInfo
- Publication number
- CN223980375U CN223980375U CN202520410981.0U CN202520410981U CN223980375U CN 223980375 U CN223980375 U CN 223980375U CN 202520410981 U CN202520410981 U CN 202520410981U CN 223980375 U CN223980375 U CN 223980375U
- Authority
- CN
- China
- Prior art keywords
- stirring
- stirring shaft
- fixed
- supporting
- shaft
- 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
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model provides a stirring device for phosphate fertilizer production, which comprises a horizontally arranged bottom plate, wherein a horizontal and cylindrical stirring barrel is arranged above the bottom plate, the top surface of the stirring barrel is communicated with a feed pipe, one end of the stirring barrel is communicated with a discharge pipe, cover plates are arranged on the feed pipe and the discharge pipe, a horizontal first stirring shaft is coaxially and rotatably connected in the stirring barrel, and a second stirring shaft is sleeved on the surface of one end, far away from the discharge pipe, of the first stirring shaft. The stirring device is simple in structure and high in practicability, and materials at two ends of the stirring barrel can be impacted mutually in the stirring process by arranging the bottom plate, the stirring barrel, the first stirring shaft, the second stirring shaft, the connecting rod, the stirring paddles and the first driving assembly, so that the materials are mixed more uniformly, meanwhile, the mixing degree of the materials can be further improved, the quality of a subsequent finished product is ensured, the materials can be discharged conveniently, and the discharging efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of phosphate fertilizer processing, in particular to a stirring device for phosphate fertilizer production.
Background
The phosphate fertilizer, i.e. the phosphorus fertilizer, is an indispensable chemical fertilizer type in agricultural production, and mainly takes phosphorus element as an effective nutrient, and plays a vital role in the growth of crops. The fertilizer efficiency of the phosphate fertilizer is not only dependent on the inherent quality, namely the content of the effective phosphorus pentoxide, but also is influenced by external multiple factors, including the nature of soil, the specific fertilization method, the type of crops and the like, and the factors act on the phosphate fertilizer together to play a role, so that the phosphate fertilizer has different performances in practical application.
In the production process of phosphate fertilizer, need mix multiple raw materials evenly, consequently can use agitating unit for phosphate fertilizer production, however, only be equipped with a set of (mixing) shaft and stirring rake in the current agitating unit, lead to the fact stirring inadequately easily, lead to the unable homogeneous mixing of raw materials, seriously influence subsequent finished product quality.
Disclosure of utility model
The utility model discloses a stirring device for phosphate fertilizer production, which solves the problems of insufficient stirring and uneven material mixing of the traditional stirring device for phosphate fertilizer production.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a stirring device for phosphate fertilizer production comprises a horizontally arranged bottom plate, a horizontal and cylindrical stirring barrel is arranged above the bottom plate, a feeding pipe is communicated with the top surface of the stirring barrel, a discharging pipe is communicated with one end of the stirring barrel, cover plates are arranged on the feeding pipe and the discharging pipe, a first horizontal stirring shaft is coaxially connected in the stirring barrel in a rotating mode, a second stirring shaft is sleeved on the surface of one end, far away from the discharging pipe, of the first stirring shaft, the second stirring shaft is rotationally connected with the stirring barrel, a plurality of uniformly distributed connecting rods are fixed on the surface of one end, far away from the second stirring shaft, of the first stirring shaft and the surface of the second stirring shaft, stirring paddles are fixed on one end, far away from the axis of the stirring barrel, of the plurality of connecting rods, a first driving assembly used for driving the first stirring shaft and the second stirring shaft to rotate around the axis of the stirring barrel in different directions is arranged on the stirring barrel, two vertical supporting columns are fixed on the top surface of the bottom plate, the two supporting columns are respectively arranged on two sides of the stirring barrel, the top ends of the two supporting columns are hinged with the stirring barrel, one end, and one end, far away from the supporting column is used for driving the stirring barrel is hinged to rotate around the second driving assembly.
Compared with the prior art, the utility model has the following beneficial effects:
The cover plate on the feeding pipe is opened, the raw materials are poured into the stirring barrel from the feeding pipe, the cover plate is covered, the first stirring shaft and the second stirring shaft are driven by the first driving component to rotate around the shaft center of the first stirring shaft and the second stirring shaft respectively in different directions, and stirring paddles on the first stirring shaft and the second stirring shaft are driven to rotate in different directions respectively, so that materials at two ends of the stirring barrel can mutually impact in the stirring process, and the materials are mixed more uniformly; meanwhile, in the process of rotation of the first stirring shaft and the second stirring shaft, the second driving assembly can be used for driving one end of the stirring barrel far away from the supporting column to rotate around the hinged position, so that materials in the stirring barrel can be driven to shake back and forth between two ends of the stirring barrel, the mixing degree of the materials is further improved, the quality of subsequent finished products is guaranteed, after the materials are uniformly mixed, the cover plate on the discharging pipe is opened, and the second driving assembly is used for enabling one end of the stirring barrel provided with the discharging pipe to be lower than the other end of the stirring barrel, so that the discharging operation can be smoothly completed. The stirring device is simple in structure and high in practicability, and materials at two ends of the stirring barrel can be impacted mutually in the stirring process by arranging the bottom plate, the stirring barrel, the first stirring shaft, the second stirring shaft, the connecting rod, the stirring paddles and the first driving assembly, so that the materials are mixed more uniformly, meanwhile, the mixing degree of the materials can be further improved, the quality of a subsequent finished product is ensured, the materials can be discharged conveniently, and the discharging efficiency is improved.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic elevational cross-sectional view of a mixing drum of the present utility model;
FIG. 3 is a schematic side view of a support frame of the present utility model;
FIG. 4 is a schematic side view of a first stirring shaft of the present utility model;
FIG. 5 is an enlarged schematic view of the utility model at A in FIG. 1;
1, a bottom plate, 11, a support, 2, a stirring cylinder, 21, a feeding pipe, 22, a discharging pipe, 23, a cover plate, 3, a supporting column, 31, a supporting frame, 32, a supporting shaft, 4, a first stirring shaft, 41, a second stirring shaft, 42, a connecting rod, 43, a stirring paddle, 44, a first supporting rod, 441, a first scraping plate, 45, a second supporting rod, 451, a second scraping plate, 5, a supporting seat, 51, a motor, 52, a first bevel gear, 53, a second bevel gear, 54, a third bevel gear, 55, a rotating rod, 6, an automatic push rod, 61, a first connecting block, 611, a rotating shaft, 62, a sliding block, 63, a sliding rail, 64, a second connecting block, 65 and a hinging seat.
Detailed Description
The details of the present utility model are described below in conjunction with the accompanying drawings and examples.
As shown in fig. 1 and 2, the utility model provides a stirring device for phosphate fertilizer production, which comprises a horizontally arranged bottom plate 1, wherein a horizontal and cylindrical stirring cylinder 2 is arranged above the bottom plate 1, the top surface of the stirring cylinder 2 is communicated with a feed pipe 21, one end of the stirring cylinder 2 is communicated with a discharge pipe 22, and cover plates 23 are arranged on the feed pipe 21 and the discharge pipe 22; the stirring barrel 2 is internally and coaxially connected with a horizontal first stirring shaft 4 in a rotating manner, one end surface of the first stirring shaft 4, far away from the discharging pipe 22, is sleeved with a second stirring shaft 41, the second stirring shaft 41 is in rotating connection with the stirring barrel 2, one end surface of the first stirring shaft 4, far away from the second stirring shaft 41, and the surface of the second stirring shaft 41 are both fixedly provided with a plurality of uniformly distributed connecting rods 42, one ends of the plurality of connecting rods 42, far away from the axis of the stirring barrel 2, are both fixedly provided with stirring paddles 43, the stirring barrel 2 is provided with first driving components for driving the first stirring shaft 4 and the second stirring shaft 41 to rotate around the axis of the stirring barrel 2 in different directions, the top surface of the bottom plate 1 is fixedly provided with two vertical supporting columns 3 which are respectively positioned on two sides of the stirring barrel 2, the top ends of the two supporting columns 3 are hinged with the stirring barrel 2, and one end, far away from the supporting columns 3, of the bottom plate 1 is provided with a second driving component for driving the stirring barrel 2 to rotate around the hinge.
As shown in fig. 1 and 2, the first driving assembly comprises a supporting seat 5 fixed at one end of the stirring barrel 2 far away from the discharging pipe 22, a horizontal motor 51 is fixed on the supporting seat 5, one ends of the first stirring shaft 4 and the second stirring shaft 41 far away from the discharging pipe 22 penetrate through the stirring barrel 2 and extend into the supporting seat 5, the extending length of the first stirring shaft 4 is larger than that of the second stirring shaft 41, the extending end of the first stirring shaft 4 is fixedly connected with the output end of the motor 51, a vertical first bevel gear 52 is further fixed on the surface of the extending end of the first stirring shaft 4, a vertical second bevel gear 53 is fixed at the extending end of the second stirring shaft 41, a horizontal third bevel gear 54 is meshed between the first bevel gear 52 and the second bevel gear 53, and a rotating rod 55 fixed at the center of the third bevel gear 54 is further rotatably connected in the supporting seat 5. The motor 51 is started, the output end of the motor 51 drives the first stirring shaft 4 to rotate around the axis of the motor, the first bevel gear 52 drives the third bevel gear 54 meshed with the first stirring shaft 4 to rotate, and the second bevel gear 53 meshed with the third bevel gear 54 is driven to rotate in opposite directions, so that the first stirring shaft 4 and the second stirring shaft 41 can respectively rotate around the axis of the motor in different directions, and materials respectively positioned at two ends of the stirring cylinder 2 are driven by the corresponding stirring paddles 43 to mutually impact in the stirring process, and the materials can be mixed more uniformly.
As shown in fig. 2 and 4, a first supporting rod 44 contacting with the inner end surface of the stirring cylinder 2 is fixed on the surface of one end of the first stirring shaft 4, which is close to the discharging pipe 22, a second supporting rod 45 contacting with the other inner end surface of the stirring cylinder 2 is fixed on the surface of one end of the second stirring shaft 41, which is close to the supporting seat 5, a second supporting rod 45 is also fixed on the surface of one end of the second stirring shaft 41, which is far away from the supporting seat 5, a first supporting rod 44 contacting with the second supporting rod 45 is fixed on the surface of the first stirring shaft 4, a first scraping plate 441 is fixed between the two first supporting rods 44, a second scraping plate 451 is fixed between the two second supporting rods 45, the first scraping plate 441 and the second scraping plate 451 are arc-shaped, and the first scraping plate 441 and the second scraping plate 451 are attached to the inner wall of the stirring cylinder 2. In the process of rotating the first stirring shaft 4 and the second stirring shaft 41 respectively, the first supporting rods 44 and the second supporting rods 45 which are respectively contacted with the two inner end surfaces of the stirring barrel 2 can scrape the corresponding inner end surfaces, the first scraping plates 441 and the second scraping plates 451 can scrape the inner walls of the stirring barrel 2, so that the material stirring operation in the stirring process can be realized, the material mixing is more uniform, the effect of cleaning the inner end surfaces and the inner walls of the stirring barrel 2 can be realized during discharging, the waste of the material is effectively avoided, further, the first scraping plates 441 and the second scraping plates 451 can be arranged in a plurality, the first supporting rods 44 and the second supporting rods 45 can be correspondingly arranged in a plurality, and the first scraping plates 441 and the second scraping plates 451 can improve the material stirring efficiency.
As shown in fig. 1 and 5, the second driving assembly includes two automatic push rods 6 which are all rotationally connected to the top surface of one side of the bottom plate 1 far away from the support column 3, the two automatic push rods 6 are respectively symmetrically located at two sides of the mixing drum 2, the output ends of the two automatic push rods 6 are all rotationally connected with sliding blocks 62, two sides of the mixing drum 2 are respectively fixed with horizontal sliding rails 63, and the two sliding blocks 62 are respectively slidingly connected in the corresponding sliding rails 63. Starting two automatic push rods 6, along with the synchronous expansion of the output ends of the two automatic push rods 6, the output ends of the two automatic push rods 6 can simultaneously drive the corresponding sliding blocks 62 to slide left and right along the sliding rail 63, so that the height of one end of the stirring cylinder 2, provided with the sliding rail 63, is controlled, the materials in the stirring cylinder 2 are driven to shake back and forth, and the materials are mixed more uniformly.
As shown in fig. 1 and 5, the output ends of the two automatic push rods 6 are respectively fixed with a first connecting block 61, the two first connecting blocks 61 are respectively connected with a rotating shaft 611 in a rotating way, the two rotating shafts 611 are respectively connected with corresponding sliding blocks 62 in a rotating way, the fixed ends of the two automatic push rods 6 are respectively fixed with a second connecting block 64, the top surface of the bottom plate 1 is fixed with two hinging seats 65, and the two second connecting blocks 64 are respectively hinged with the bottom plate 1 through the corresponding hinging seats 65. The arrangement of the first connecting block 61, the rotating shaft 611, the sliding block 62, the second connecting block 64 and the hinge seat 65 not only can play a supporting role on the automatic push rod 6, but also can enable the automatic push rod 6 to rotate along with the sliding of the sliding block 62, thereby perfectly realizing the control of the height of the end of the mixing drum 2 provided with the sliding rail 63.
As shown in fig. 1 and 3, a supporting frame 31 is fixed on one end surface of the stirring cylinder 2, which is close to the supporting column 3, two sides of the supporting frame 31 are respectively and rotatably connected with supporting shafts 32, and one ends, which are away from each other, of the two supporting shafts 32 are respectively and rotatably connected with the corresponding supporting column 3. The setting of carriage 31, back shaft 32 and support column 3 can satisfy the demand that churn 2 makes a round trip to rock when supporting churn 2.
As shown in fig. 1, a plurality of supports 11 are fixed to the bottom surface of the base plate 1. The plurality of holders 11 can fix and support the whole device.
When the stirring device is used, the cover plate 23 on the feeding pipe 21 is opened, raw materials are poured into the stirring barrel 2 from the feeding pipe 21, the cover plate 23 is covered, the motor 51 is started, the output end of the motor 51 drives the first stirring shaft 4 to rotate around the axis of the motor, the third bevel gear 54 meshed with the first bevel gear 52 can be driven to rotate through the first bevel gear 52, the second bevel gear 53 meshed with the third bevel gear 54 is driven to rotate in opposite directions, the first stirring shaft 4 and the second stirring shaft 41 can respectively rotate around the axis of the motor in different directions, the materials respectively positioned at the two ends of the stirring barrel 2 are driven to mutually impact through the corresponding stirring paddles 43, and meanwhile, the first scraping plate 441 and the second scraping plate 451 can realize the stirring operation of the materials positioned at the bottom of the stirring barrel 2 in the stirring process, so that the materials can be mixed more uniformly; the two automatic push rods 6 can be started while stirring, along with synchronous expansion and contraction of the output ends of the two automatic push rods 6, the output ends of the two automatic push rods 6 can simultaneously drive the corresponding sliding blocks 62 to slide left and right along the sliding rails 63, so that the height of one end of the stirring cylinder 2 provided with the sliding rails 63 is controlled, the materials in the stirring cylinder 2 are driven to shake back and forth, the mixing degree of the materials is further improved, the subsequent quality of finished products is ensured, after the materials are uniformly mixed, the cover plate 23 on the discharge pipe 22 is opened, the two automatic push rods 6 are utilized to enable one end of the stirring cylinder 2 provided with the discharge pipe 22 to be lower than the other end, the discharge operation can be completed, and the first supporting rod 44, the second supporting rod 45, the first scraping plate 441 and the second scraping plate 451 can respectively clean the two inner end surfaces and the inner wall of the stirring cylinder 2 while discharging, effectively avoiding the waste of materials.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (7)
1. The stirring device for producing the phosphate fertilizer comprises a bottom plate (1) which is horizontally arranged, and is characterized in that a stirring cylinder (2) which is horizontal and cylindrical is arranged above the bottom plate (1), the top surface of the stirring cylinder (2) is communicated with a feed pipe (21), one end of the stirring cylinder (2) is communicated with a discharge pipe (22), and cover plates (23) are arranged on the feed pipe (21) and the discharge pipe (22); a first horizontal stirring shaft (4) is coaxially and rotatably connected in the stirring barrel (2), a second stirring shaft (41) is sleeved on the surface of one end, far away from the discharging pipe (22), of the first stirring shaft (4), the second stirring shaft (41) is rotatably connected with the stirring barrel (2), a plurality of uniformly distributed connecting rods (42) are fixedly arranged on the surface of one end, far away from the second stirring shaft (41), of the first stirring shaft (4) and the surface of the second stirring shaft (41), stirring paddles (43) are fixedly arranged on one end, far away from the axis of the stirring barrel (2), of the plurality of connecting rods (42), a first driving component used for driving the first stirring shaft (4) and the second stirring shaft (41) to rotate around the axis of the stirring barrel (2) in different directions is arranged on the stirring barrel (2), two vertical supporting columns (3) which are respectively arranged on two sides of the stirring barrel (2) are fixedly arranged on the top of a bottom plate (1), and the top ends of the two support columns (3) are hinged with the stirring cylinder (2), and a second driving component for driving one end of the stirring cylinder (2) away from the support columns (3) to rotate around the hinged position is arranged on the bottom plate (1).
2. The stirring device for phosphate fertilizer production according to claim 1, wherein the first driving assembly comprises a supporting seat (5) fixed at one end, far away from the discharging pipe (22), of the stirring barrel (2), a horizontal motor (51) is fixed on the supporting seat (5), one ends, far away from the discharging pipe (22), of the first stirring shaft (4) and the second stirring shaft (41) penetrate through the stirring barrel (2) and extend into the supporting seat (5), the extending length of the first stirring shaft (4) is larger than that of the second stirring shaft (41), the extending end of the first stirring shaft (4) is fixedly connected with the output end of the motor (51), a vertical first bevel gear (52) is further fixed on the extending end surface of the first stirring shaft (4), a vertical second bevel gear (53) is fixed on the extending end of the second stirring shaft (41), a horizontal third bevel gear (54) is meshed between the first bevel gear (52) and the second bevel gear (53), and a rotating rod (55) fixed with the center of the third bevel gear (54) is further rotatably connected in the supporting seat (5).
3. The stirring device for phosphate fertilizer production according to claim 2, wherein a first supporting rod (44) which is in contact with the inner end surface of the stirring cylinder (2) is fixed on the surface of one end, close to the discharging pipe (22), of the first stirring shaft (4), a second supporting rod (45) which is in contact with the other inner end surface of the stirring cylinder (2) is fixed on the surface of one end, close to the supporting seat (5), of the second stirring shaft (41), a second supporting rod (45) is also fixed on the surface, far away from the supporting seat (5), of the second stirring shaft (41), a first supporting rod (44) which is in contact with the second supporting rod (45) is fixed on the surface of the first stirring shaft (4), a first scraping plate (441) is fixed between the two first supporting rods (44), a second scraping plate (451) is fixed between the two second supporting rods (45), the first scraping plate (441) and the second scraping plate (451) are arc-shaped, and the first scraping plate (441) and the second scraping plate (451) are attached to the inner wall of the stirring cylinder (2).
4. The stirring device for phosphate fertilizer production according to claim 1, wherein the second driving assembly comprises two automatic push rods (6) which are respectively and rotatably connected to the top surface of one side, far away from the supporting column (3), of the bottom plate (1), the two automatic push rods (6) are respectively and symmetrically positioned on two sides of the stirring cylinder (2), the output ends of the two automatic push rods (6) are respectively and rotatably connected with sliding blocks (62), horizontal sliding rails (63) are respectively fixed on two sides of the stirring cylinder (2), and the two sliding blocks (62) are respectively and slidably connected in the corresponding sliding rails (63).
5. The stirring device for phosphate fertilizer production according to claim 4, wherein the output ends of the two automatic push rods (6) are respectively fixed with a first connecting block (61), the two first connecting blocks (61) are respectively connected with a rotating shaft (611) in a rotating way, the two rotating shafts (611) are respectively connected with corresponding sliding blocks (62) in a rotating way, the fixed ends of the two automatic push rods (6) are respectively fixed with a second connecting block (64), the top surface of the bottom plate (1) is fixed with two hinging seats (65), and the two second connecting blocks (64) are respectively hinged with the bottom plate (1) through the corresponding hinging seats (65).
6. The stirring device for phosphate fertilizer production according to claim 1, wherein a supporting frame (31) is fixed on the surface of one end, close to the supporting column (3), of the stirring cylinder (2), supporting shafts (32) are respectively connected to two sides of the supporting frame (31) in a rotating mode, and one ends, deviating from the two supporting shafts (32), of the supporting shafts are respectively connected with the corresponding supporting column (3) in a rotating mode.
7. The stirring device for phosphate fertilizer production according to claim 1, wherein a plurality of supports (11) are fixed on the bottom surface of the bottom plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520410981.0U CN223980375U (en) | 2025-03-10 | 2025-03-10 | A stirring device for phosphate fertilizer production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520410981.0U CN223980375U (en) | 2025-03-10 | 2025-03-10 | A stirring device for phosphate fertilizer production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223980375U true CN223980375U (en) | 2026-03-10 |
Family
ID=98968678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520410981.0U Active CN223980375U (en) | 2025-03-10 | 2025-03-10 | A stirring device for phosphate fertilizer production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223980375U (en) |
-
2025
- 2025-03-10 CN CN202520410981.0U patent/CN223980375U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215353293U (en) | Efficient compound fertilizer granulation mixing arrangement | |
| CN222099825U (en) | Fertilizer fermentation device | |
| CN218422447U (en) | Low-pollution stirring equipment for molecular sieve preparation | |
| CN119236748A (en) | A mixing device for producing blended fertilizers | |
| CN219815881U (en) | Raw material stirring and mixing device | |
| CN214051226U (en) | Agricultural fertilizer mixing arrangement | |
| CN214106921U (en) | Stirring reaction kettle capable of cleaning adhered materials on inner wall and used for producing beta-thymidine | |
| CN117065624A (en) | Fresh flower cake stuffing stirring system and method | |
| CN220940245U (en) | Raw material mixing equipment for producing charcoal by using environment-friendly machine | |
| CN222096534U (en) | Forced stirrer for brick production | |
| CN221244889U (en) | Mixing arrangement for fertilizer raw materials | |
| CN223901727U (en) | Food additive rapid mixing dispersion stirrer | |
| CN223747432U (en) | Fertilizer mixing device for agriculture | |
| CN222219230U (en) | Dumpling production equipment | |
| CN222111562U (en) | A high-speed mixer for refractory materials | |
| CN218249952U (en) | Fertilizer agitating unit | |
| CN222694499U (en) | Fertilizer preparation facilities | |
| CN223974080U (en) | Solid state fermentation equipment capable of being stirred regularly | |
| CN221107873U (en) | Stirring device for selenium-rich fertilizer production | |
| CN220715573U (en) | Mixing device for organic-inorganic compound fertilizer production | |
| CN221107839U (en) | Water-soluble fertilizer mixing bunker with uniform stirring | |
| CN220610231U (en) | Stirring mechanism of organic fertilizer sausage filler | |
| CN222641846U (en) | A kind of fertilizer production device which is convenient for movement | |
| CN222076388U (en) | A cleaning structure and food additive production mixing tank | |
| CN222930685U (en) | Beverage production equipment convenient to clearance residue |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |