CN210022839U - Pig feed grading and sieving device - Google Patents
Pig feed grading and sieving device Download PDFInfo
- Publication number
- CN210022839U CN210022839U CN201920275671.7U CN201920275671U CN210022839U CN 210022839 U CN210022839 U CN 210022839U CN 201920275671 U CN201920275671 U CN 201920275671U CN 210022839 U CN210022839 U CN 210022839U
- Authority
- CN
- China
- Prior art keywords
- roller
- cylinder
- bin
- screening
- screening section
- 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
- Combined Means For Separation Of Solids (AREA)
Abstract
The utility model discloses a pig feed sieves device in grades, include: the supporting mechanism comprises supporting legs and a supporting frame; a cylindrical housing having a mounting cavity; the rotary screen comprises a rotary drum, a rotary shaft and a driving motor; the roller sequentially comprises a powder screening section, a first partition part, a primary material screening section, a second partition part and a medium material screening section from left to right; the feeding bin is arranged at the left end of the cylindrical shell, and the lower end of the feeding bin is communicated with a feeding pipe; aggregate storehouse, it includes: the first material collecting bin right below the powder screening section, the second material collecting bin right below the primary material screening section, the third material collecting bin right below the middle-grade material screening section and the fourth material collecting bin right below the roller discharge port. The utility model discloses set a plurality of sections of sieving out with a cylinder, when rolling from the cylinder is inside, dust, elementary material, medium-grade material and the coarse fodder in the material are in succession by the sieve out mutually, have reduced the quantity of cylinder, have shortened the flow of material walking, have improved the efficiency of material screening.
Description
Technical Field
The utility model relates to a material screening equipment technical field, more specifically say, the utility model relates to a pig feed sieves device in grades.
Background
The pig feed obtained by granulation contains powder and granules, and needs to be graded and sieved before being packaged. The existing feed grading and screening device mainly comprises a rotary screen and a flat screen, wherein the rotary screen is good in screening effect, high in screening speed and high in efficiency, and is commonly used on a large-scale feed production line. The existing rotary screen for pig feed mainly has the following problems: firstly, the screening grade is single, one roller can only carry out primary screening, and when multi-stage screening is needed, a plurality of rollers are needed, so that the structure becomes complex and the cost is increased; secondly, the drum screen is easy to cause dust when rolling, and the existing drum screen can not effectively collect the dust and powder.
Therefore, it is necessary to design a pig feed grading and screening device capable of solving the above technical problems.
SUMMERY OF THE UTILITY MODEL
It is an object of the present invention to address at least the above-mentioned deficiencies and to provide at least the advantages which will be explained later.
The utility model discloses a pig feed grading and sieving device that can be to pig feed multi-stage screening and simple structure is provided.
The utility model also aims at providing a pig feed grading and sieving device which can effectively collect powder and reduce dust.
In order to realize according to the utility model discloses these objects and other advantages, the utility model provides a pig feed sieves device in grades, wherein, include:
the supporting mechanism comprises four supporting legs and a supporting frame, the supporting frame is horizontally arranged, and the supporting legs are supported below the supporting frame.
The cylinder shell is horizontally erected on the supporting frame, two ends of the cylinder shell are closed, and an installation cavity is formed in the cylinder shell; the cylinder shell is sealed to prevent flying dust and reduce the influence of dust on working environment and human body.
The rotary screen comprises a rotary drum, a rotary shaft and a driving motor, wherein the rotary shaft is arranged in the center of the rotary drum, the rotary drum and the rotary shaft are fixedly connected through spokes, two ends of the rotary shaft penetrate through two end faces of the cylindrical shell, and the driving motor is connected with any one end of the rotary shaft through a transmission mechanism so as to drive the rotary shaft; the cylinder from left to right sets gradually into powder screening section, first partition portion, elementary material screening section, second partition portion and medium grade material screening section, set up first sieve mesh in the powder screening section, elementary material screening section sets up the second sieve mesh, and medium grade material screening section sets up the third sieve mesh, and the aperture of first sieve mesh < second sieve mesh aperture < third sieve mesh aperture, first partition portion and second partition portion do not set up the sieve mesh, the left end of cylinder sets up to the feed inlet, and the right-hand member sets up to the discharge gate. The partition part can make each level of material distinguish more obviously, is difficult to mix.
Through setting up different sieve segmentation on a cylinder, reach the purpose that the material was sieved layer upon layer, reduced the quantity of cylinder, shortened the flow of material walking, improved the efficiency of material screening. Specifically, when the material passes through the powder screening section, the powder in the material is screened out through the first sieve mesh; when the material passes through the primary material screening section, screening the primary material out through a second screen hole; when the material passes through the middle-grade material screening section, screening the middle-grade material out through a third screen hole; and finally discharging the remaining coarse material from a discharge hole at the right end of the roller. Like this the material just can realize multistage branch sieve through a cylinder, compares in traditional equipment that a plurality of cylinders divide the sieve or polylith sieve divides the sieve, and the structure is simpler, and the flow of material is shorter faster, therefore efficiency is also higher, and the friction that the material experienced simultaneously is also still less, and the dust of production also diminishes.
The feeding bin is arranged at the left end of the cylinder shell, the lower end of the feeding bin is communicated with a feeding pipe, the feeding pipe extends into a feeding port of the roller and is not contacted with the roller, and a one-way valve is arranged on the feeding pipe to enable the materials to flow into the roller in a one-way mode; the feed bin can be effectual send into the cylinder with the material in, does not influence the rotation of cylinder simultaneously, and the check valve of conveying pipe can avoid the inside dust of drum shell to leak out in addition.
Aggregate bin, its setting is in the installation cavity, aggregate bin includes: the powder screening device comprises a first material collecting bin, a second material collecting bin, a third material collecting bin and a fourth material collecting bin, wherein the first material collecting bin is located under a powder screening section, the second material collecting bin is located under a primary material screening section, the third material collecting bin is located under a middle-grade material screening section, the fourth material collecting bin is located under a roller discharge port, and the lower end of the material collecting bin extends out of the cylinder shell and is provided with a discharge port respectively. Every sifting section lower part corresponds respectively and sets up a material collecting bin and is used for collecting the material of sifting out, and the material of avoiding dropping mixes, and fourth material collecting bin is used for collecting the coarse fodder that drops at last.
Preferably, in the pig feed classifying and sieving device, a dust collection system is further included, and the dust collection system includes:
the dust collection port is arranged in the first aggregate bin or on the inner wall of the cylinder shell near the aggregate bin;
a dust suction pump disposed outside the cylinder housing and communicating with the dust suction port through a dust suction pipe;
a dust filter bag communicated with the dust suction pump through a dust suction pipe;
and the air inlet is arranged on the right end face or the upper part of the right end of the cylinder shell opposite to the dust suction port, and a one-way valve is arranged on the air inlet to enable air to enter the cylinder shell in a one-way mode.
Set up the dust absorption mouth and can attract the dust toward gathering in first aggregate bin or near first aggregate bin to collect and reuse, the air inlet sets up and can form the convection current on right-hand member face or right-hand member upper portion, makes the wind direction blow from the right-hand member left end, and the dust that produces when reducing the screening moves toward the right-hand member, thereby has reduced the dust and has fallen into second, third and fourth aggregate bin, and the elementary material of assurance sieve out, medium grade material and coarse fodder dust are less. The dust filtering bag has the advantages of low price, simple and convenient use, proper screening effect and convenient replacement, and is most suitable for filtering the feed dust.
Preferably, in the pig feed classifying and screening device, the width of each of the first partition part and the second partition part is greater than or equal to 20 cm. Ensure enough interval and avoid material disorder.
Preferably, in the pig feed grading and screening device, the material collecting bin is conical, and a discharging gate is arranged at a discharging port of the material collecting bin. The screened materials are concentrated in the material collecting bin and can be discharged through the discharging gate.
Preferably, in the pig feed grading and sieving device, the front two supporting legs support the left end of the supporting frame and the rear two supporting legs support the right end of the supporting frame, a first cross rod is arranged between the front two supporting legs and is fixedly connected, and a second cross rod is also arranged between the rear two supporting legs and is fixedly connected. The supporting legs are connected and fixed through the cross rod to form a whole, so that the structure is more stable.
Preferably, in the pig feed grading and sieving device, electric jacks are respectively arranged at the middle parts of the first cross rod and the second cross rod, and the electric jacks stretch out and draw back to adjust the relative heights of the left end and the right end of the support frame. When adjusting electric jack and making the support frame left end be higher than the right-hand member, the material in the cylinder can flow to the right-hand member from the left end automatically. Therefore, the inclination of the roller can be adjusted by adjusting the relative heights of the left end and the right end of the supporting frame, and the flowing speed of the materials is further adjusted.
Preferably, in the pig feed classifying and sieving device, the roller is arranged in an inclined mode that the left end is higher than the right end, and the included angle between the roller and the horizontal plane is 3-8 degrees. The material flows the effect that can influence hierarchical sieving at the excessive speed, and the material flows the efficiency that can influence hierarchical sieving at the excessive speed, sets to 3 ~ 8 inclination during production just suitable.
The utility model discloses at least, include following beneficial effect:
the utility model discloses set a cylinder into a plurality of sifting sections, when rolling from the cylinder inside, dust, elementary material, medium-grade material and coarse fodder in the material are screened out in succession, have reduced the quantity of cylinder, have shortened the flow of material walking, have improved the efficiency of material screening, compare in the traditional equipment a plurality of cylinders and carry out the branch sieve or polylith sieve branch sieve and sieve, the structure is simpler, the flow of material is shorter faster, efficiency is also higher, the friction that the material experienced also still less simultaneously, the dust that produces also becomes less; meanwhile, a separation part is arranged between every two screening sections, and each level of material is more obviously distinguished by the separation part and is not easy to mix.
The utility model discloses including setting up the drum shell and sealing the drum sieve, including the raise dust that produces during the screening can seal, in being inhaled the dust filtration bag by dust collecting system simultaneously, prevent that the raise dust from exposing the health that influences operational environment and staff.
The utility model discloses a dust collecting system can attract the dust to gather toward first collection feed bin in with the dust absorption mouth setting in first collection feed bin or near, so that collect the reuse, the air inlet setting can form the convection current on right-hand member face or right-hand member upper portion, make the wind direction blow from the right-hand member left end, the dust that produces when reducing the screening removes toward the right-hand member, thereby reduced the dust and fallen into second, third and fourth collection feed bin, the elementary material of assurance sifting out, medium-grade material and coarse fodder dust are less.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a pig feed grading and screening device according to the present invention;
fig. 2 is a schematic structural view of another embodiment of the pig feed grading and screening device of the present invention;
fig. 3 is a left side view of the drum screen according to the present invention.
Detailed Description
The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.
As shown in fig. 1, a pig feed classifying and sieving device, wherein, includes:
supporting mechanism, it includes four supporting legss 2 and support frame 1, the support frame level sets up, supporting legs 2 supports 1 below of support frame, for the ease of removing, can set up the wheel body below the supporting legs.
And the cylinder shell 3 is horizontally fixed on the support frame 1, two ends of the cylinder shell 3 are closed, an installation cavity is formed in the cylinder shell, and the drum screen and the material collecting bin are arranged in the installation cavity.
The drum screen comprises a drum 4, a rotating shaft 10 and a driving motor 11, wherein the rotating shaft 10 is arranged in the center of the drum 4, as shown in fig. 3, the drum 4 and the rotating shaft 10 are fixedly connected through spokes 24, two ends of the rotating shaft 10 penetrate through two end faces of the cylindrical shell 3, a bearing can be arranged at a position where the rotating shaft is in contact with the end face of the cylindrical shell 3, and the driving motor 11 is connected with the right end of the rotating shaft 10 through a transmission belt so as to drive the rotating shaft 10 to rotate; the cylinder 4 from left to right sets gradually to powder sifting section 5, first partition 6, elementary material sifting section 7, second partition 8 and medium grade material sifting section 9, set up first sieve mesh on the powder sifting section 5, elementary material sifting section 7 sets up the second sieve mesh, and medium grade material sifting section 9 sets up the third sieve mesh, and the aperture of first sieve mesh < second sieve mesh aperture < third sieve mesh aperture, first partition 6 and second partition 8 do not set up the sieve mesh, the left end of cylinder 4 sets up to the feed inlet, and the right-hand member sets up to the discharge gate. The materials are fed in from the feed inlet, and finally the residual coarse materials after screening are discharged from the discharge outlet.
And the feeding bin 12 is arranged at the left end of the cylinder shell 3, the lower end of the feeding bin 12 is communicated with a feeding pipe 13, the feeding pipe 13 extends into a feeding port of the roller 4 and is not contacted with the roller 4, and the feeding pipe 13 is provided with a one-way valve so that the materials can flow into the roller 4 in a one-way mode.
Aggregate bin, its setting is in the installation cavity, aggregate bin includes: be located first aggregate bin 14 under powder sifting section 5, be located second aggregate bin 15 under elementary material sifting section 7, be located third aggregate bin 16 under medium grade material sifting section 9, be located fourth aggregate bin 17 under the cylinder 4 discharge gate, the lower extreme of aggregate bin all stretches out the outside of drum shell 3 to be provided with the drain hole respectively. Every sifting section lower part corresponds respectively and sets up a material collecting bin and is used for collecting the material of sifting out, and the material of avoiding dropping mixes, and fourth material collecting bin is used for collecting the coarse fodder that drops at last.
Further, as shown in fig. 2, in another embodiment, the vacuum cleaner further comprises a vacuum cleaning system, the vacuum cleaning system comprising:
a dust suction port provided in the first aggregate bin 14 or on the inner wall of the cylinder housing 3 near the first aggregate bin 14;
a dust suction pump 19 provided outside the cylinder housing 3 and communicating with a dust suction port through a dust suction pipe 18;
a dust filter bag 20 communicating with the dust suction pump 19 through a dust suction pipe;
and the air inlet is arranged on the right end face or the upper part of the right end of the cylinder shell opposite to the dust suction port, and a one-way valve is arranged on the air inlet to enable air to enter the cylinder shell in a one-way mode.
Further, the width of each of the first partition 6 and the second partition 8 is greater than or equal to 20 cm. Ensure enough interval and avoid material disorder.
Furthermore, the aggregate bin is conical, and a discharge gate is arranged at a discharge port of the aggregate bin. The screened materials are concentrated in the material collecting bin and can be discharged through the discharging gate.
Further, as shown in fig. 3, of the four supporting legs, the first two supporting legs support the left end of the supporting frame, the second two supporting legs support the right end of the supporting frame, a first cross bar 22 is arranged between the first two supporting legs for connection and fixation, and a second cross bar is also arranged between the second two supporting legs for connection and fixation. The supporting legs are connected and fixed through the cross rod to form a whole, so that the structure is more stable.
Further, electric jacks 23 are respectively arranged in the middle of the first cross rod and the middle of the second cross rod, and the electric jacks stretch out and draw back to adjust the relative heights of the left end and the right end of the support frame. If when the electric jack in the first horizontal pole extends, the left end of support frame risees, and the left end of cylinder also risees, and the material in the cylinder is automatic to roll to the right-hand member from the left end gradually.
Further, the cylinder 4 is arranged in an inclined mode that the left end is higher than the right end, and the included angle between the cylinder 4 and the horizontal plane is 3-8 degrees. The material flows the effect that can influence hierarchical sieving at the excessive speed, and the material flows the efficiency that can influence hierarchical sieving at the excessive speed, sets to 3 ~ 8 inclination during production just suitable.
The utility model discloses an implementation as follows:
materials in the feeding bin are guided into the roller through the feeding pipe, the driving motor drives the roller to roll for screening, and when the materials pass through the powder screening section, powder is screened out from the screen holes and falls into the first collecting bin; when the materials pass through the primary material screening section, the primary materials are screened out through the sieve holes and fall into the second material collecting bin; when the material passes through the middle-grade material screening section, the middle-grade material is screened out from the sieve pores and falls into the third material collecting bin; and finally, discharging the residual coarse materials from a discharge port and dropping the residual coarse materials into a fourth aggregate bin.
The dust generated when the materials are rolled and screened is sucked from the dust suction port under the action of the dust suction system, enters the dust filter bag through the dust suction pipe and the dust suction pump, and is intercepted in the dust filter bag for reuse.
When the speed of the material flowing from the left end to the right end of the roller needs to be accelerated or decelerated, the stretching of the electric jack at the left end is adjusted, so that the left end of the roller is lifted or lowered relative to the right end.
While embodiments of the invention have been disclosed above, it is not intended to be limited to the applications listed in the specification and the examples. It can be applicable to various and be fit for the utility model discloses a field completely. Additional modifications will readily occur to those skilled in the art.
Claims (7)
1. The utility model provides a pig feed classifying and sieving device which characterized in that includes:
the supporting mechanism comprises four supporting legs and a supporting frame, the supporting frame is horizontally arranged, and the supporting legs are supported below the supporting frame;
the cylinder shell is horizontally erected on the supporting frame, two ends of the cylinder shell are closed, and an installation cavity is formed in the cylinder shell;
the rotary screen comprises a rotary drum, a rotary shaft and a driving motor, wherein the rotary shaft is arranged in the center of the rotary drum, the rotary drum and the rotary shaft are fixedly connected through spokes, two ends of the rotary shaft penetrate through two end faces of the cylindrical shell, and the driving motor is connected with any one end of the rotary shaft through a transmission mechanism so as to drive the rotary shaft; the roller is sequentially provided with a powder screening section, a first separating part, a primary material screening section, a second separating part and a middle-grade material screening section from left to right, the powder screening section is provided with a first sieve mesh, the primary material screening section is provided with a second sieve mesh, the middle-grade material screening section is provided with a third sieve mesh, the aperture of the first sieve mesh is smaller than the aperture of the second sieve mesh and smaller than the aperture of the third sieve mesh, the first separating part and the second separating part are not provided with sieve meshes, the left end of the roller is provided with a feed inlet, and the right end of the roller is provided with a discharge outlet;
the feeding bin is arranged at the left end of the cylinder shell, the lower end of the feeding bin is communicated with a feeding pipe, the feeding pipe extends into a feeding port of the roller and is not contacted with the roller, and a one-way valve is arranged on the feeding pipe to enable the materials to flow into the roller in a one-way mode;
aggregate bin, its setting is in the installation cavity, aggregate bin includes: be located first aggregate bin under the powder sifting section, be located second aggregate bin, be located under the elementary material sifting section third aggregate bin, be located under the medium grade material sifting section fourth aggregate bin under the discharge gate of cylinder, the lower extreme of aggregate bin all stretches out the outside of drum shell to be provided with the drain hole respectively.
2. The swine feed classifying and screening apparatus according to claim 1, further comprising a dust suction system, the dust suction system comprising:
the dust collection port is arranged in the first aggregate bin or on the inner wall of the cylinder shell near the first aggregate bin;
a dust suction pump disposed outside the cylinder housing and communicating with the dust suction port through a dust suction pipe;
a dust filter bag communicated with the dust suction pump through a dust suction pipe;
and the air inlet is arranged on the right end face or the upper part of the right end of the cylinder shell opposite to the dust suction port, and a one-way valve is arranged on the air inlet to enable air to enter the cylinder shell in a one-way mode.
3. The swine feed sizing screen apparatus of claim 1 wherein the first partition and the second partition each have a width greater than or equal to 20 centimeters.
4. The pig feed classifying and screening device according to claim 1, wherein the collecting bin is conical, and a discharge gate is provided at a discharge port of the collecting bin.
5. The pig feed grading and screening device as claimed in claim 1, wherein the front two support legs of the four support legs support the left end of the support frame, the rear two support legs support the right end of the support frame, a first cross bar is arranged between the front two support legs for connection and fixation, and a second cross bar is also arranged between the rear two support legs for connection and fixation.
6. The pig feed classifying and screening device according to claim 5, wherein electric jacks are respectively arranged in the middle of the first cross rod and the second cross rod, and the electric jacks stretch and contract to adjust the relative heights of the left end and the right end of the supporting frame.
7. The pig feed classifying and screening device according to claim 1, wherein the roller is arranged in an inclined manner that the left end is higher than the right end, and the included angle between the roller and the horizontal plane is 3-8 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275671.7U CN210022839U (en) | 2019-03-05 | 2019-03-05 | Pig feed grading and sieving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920275671.7U CN210022839U (en) | 2019-03-05 | 2019-03-05 | Pig feed grading and sieving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210022839U true CN210022839U (en) | 2020-02-07 |
Family
ID=69354040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920275671.7U Active CN210022839U (en) | 2019-03-05 | 2019-03-05 | Pig feed grading and sieving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210022839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044730A (en) * | 2020-08-24 | 2020-12-08 | 华南农业大学 | Beef cattle fodder fermentation is with well dregs of a decoction sieving mechanism |
| CN114210540A (en) * | 2021-12-14 | 2022-03-22 | 汨罗市鑫祥碳素制品有限公司 | Crushing and grading screening device |
| CN114789138A (en) * | 2022-06-24 | 2022-07-26 | 江苏牧迪饲料有限公司 | Grading and screening device for granulated feed |
-
2019
- 2019-03-05 CN CN201920275671.7U patent/CN210022839U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112044730A (en) * | 2020-08-24 | 2020-12-08 | 华南农业大学 | Beef cattle fodder fermentation is with well dregs of a decoction sieving mechanism |
| CN114210540A (en) * | 2021-12-14 | 2022-03-22 | 汨罗市鑫祥碳素制品有限公司 | Crushing and grading screening device |
| CN114789138A (en) * | 2022-06-24 | 2022-07-26 | 江苏牧迪饲料有限公司 | Grading and screening device for granulated feed |
| CN114789138B (en) * | 2022-06-24 | 2022-09-30 | 江苏牧迪饲料有限公司 | Grading and screening device for granulated feed |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210022839U (en) | Pig feed grading and sieving device | |
| CN102342581B (en) | Closed five-face screen roller tobacco stalk separator | |
| CN103521452B (en) | A kind of environment-friendly type compound grain cleaner | |
| CN206009251U (en) | A kind of seed cleaning device | |
| CN105344448B (en) | Vegetable waste beats powder equipment | |
| CN106733656B (en) | A kind of particle screen selecting equipment | |
| CN111346808A (en) | Environment-friendly cylindrical screen for grain screening | |
| CN203209296U (en) | Multistage rotary screening machine | |
| CN210816249U (en) | Seed grading and screening device for agriculture | |
| CN209006184U (en) | A kind of food processing screen selecting and separating mechanism | |
| CN208976274U (en) | Frass seperator | |
| CN212418724U (en) | Grain cleaning plant | |
| CN203565371U (en) | Winnowing dust removal device for grain cleaner | |
| CN210876279U (en) | Rubber grain screening installation based on centrifugal force | |
| CN112588730A (en) | Wheat stone and impurity removing equipment for flour preparation | |
| CN208437027U (en) | A kind of cotton seeds processing cleaner | |
| CN110180781A (en) | A kind of high efficiency corn crosses sieve apparatus | |
| CN103706555B (en) | Rotating separation sieves | |
| CN205868750U (en) | Pellet medicine sorting unit | |
| CN211436528U (en) | Medicinal material crushing device | |
| CN210080051U (en) | Formula rice screening installation sways | |
| CN209791939U (en) | Edible and medicinal fungus multistage screening equipment | |
| CN209697492U (en) | A kind of corn specific gravity selection device | |
| CN209359626U (en) | Feed gas wash tower case | |
| CN209318159U (en) | A kind of horizontal screening plant of corundum clean type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |