CN106185361B - A kind of coal dust storage bin unloading device - Google Patents
A kind of coal dust storage bin unloading device Download PDFInfo
- Publication number
- CN106185361B CN106185361B CN201610758759.5A CN201610758759A CN106185361B CN 106185361 B CN106185361 B CN 106185361B CN 201610758759 A CN201610758759 A CN 201610758759A CN 106185361 B CN106185361 B CN 106185361B
- Authority
- CN
- China
- Prior art keywords
- tablet
- feed bin
- sliding platform
- unloading device
- storage bin
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D88/00—Large containers
- B65D88/54—Large containers characterised by means facilitating filling or emptying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
A kind of coal dust storage bin unloading device, including charging gear, feed bin, tablet and driving device, the charging gear is located above feed bin, and coal dust is added for feed hopper;The feed bin is located above tablet, and there are tablet opening on the tablet, the feed bin moves back and forth between charging gear and tablet opening;The coal dust storage bin unloading device that the application provides, it is simple in structure to be easy to replicate, it is stable and reliable for performance, high degree of automation, feed bin is controlled to be moved back and forth between splicing and discharging by driving device, achieve the purpose that automatic discharging, and during feed bin movement, mouth and tablet dynamic sealing under feed bin, will not there is clout remnants on tablet.
Description
Technical field
The present invention relates to a kind of storage bin unloading device more particularly to a kind of coal dust storage bin unloading devices.
Background technology
Feed bin is the commonly used equipment in material storage and process, and device for discharging is the pith of feed bin, and discharging fills
It puts and is widely used in actual production, still, at present, due to raw material, many factors such as environment, equipment are caused in equipment blanking
It blocks, accumulates in journey, blanking has some setbacks, and many adverse effects are brought to subsequent production.
Existing technology has following several:
1. being provided with guide groove in the lower part of hopper, guide groove needs manual pumping board to install thin plate when feed bin discharging.Automatically
Change degree is low, and coal dust is easily accumulated in guide groove, so that blocking thin plate;
2. the baffle of hopper lower part is fixed for one end, the other end is free.When hopper backhaul, baffle is under the action of dead weight
It opens, but also needs to manually hold up baffle when hopper release, prevent from blocking.
The discharging of prior art coal dust is by the way of pumping board, and the thinner thickness of plate, gap is smaller, and coal dust is easily in the cunning of plate
It is blocked in road.Manual operation cleaning waste of manpower is needed after blocking, and pumping board action needs to increase by a power source.
Invention content
For shortcoming of the existing technology, the present invention provides a kind of coal dust storage bin unloading device, the apparatus structure is simple,
Securely, it is stable and reliable for performance, solve the problems, such as that the degree of automation of the prior art is low.
Technical solution provided by the invention is:A kind of coal dust storage bin unloading device, including charging gear, feed bin, tablet and
Driving device, the charging gear are located above feed bin, and coal dust is added for feed hopper;The feed bin is located above tablet, institute
State on tablet that there are tablet openings, it is characterised in that:The feed bin moves back and forth between charging gear and tablet opening.
Further, facilitate movement of the feed bin on tablet and material leakage, the bin bottom will not be equipped on tablet
Feed opening, the lower surface of feed bin are tightly attached to the reciprocating motion of tablet upper surface, and the tablet upper surface is smooth flat.
Further, for the ease of the pulverized coal conveying into feed bin, the charging gear includes what is set gradually from top to bottom
Hopper, the straight tube of both ends open, pedestal and with the synchronization-moving sliding platform of feed bin, the sliding platform be more than feed bin upper table
The strip tablet in face, the pedestal are open with sliding platform at corresponding straight tube position, and the pedestal lower surface is flat with sliding
Platform is slidingly sealed.
Further, for the ease of movement of the plate on sliding platform, sliding platform relative to the movement of charging gear, institute
Sliding platform is stated as the baffled pentahedron of surrounding.
Further, for the ease of movement of the plate on sliding platform, sliding platform relative to the movement of feed device, institute
It is not baffled close to one end of plate to state sliding platform, remaining side is equipped with baffle.
Further, it is close on the sliding platform in order to more ensure the stabilization of feed bin coal dust amount when moving
Spring, one end of spring and plate are set between sliding platform one end of the side arranging plate of tablet opening, plate and separate plate side
Fixed, the other end is fixed with sliding platform one end far from plate side.
Further, the plate is plastic plate.
Further, in order to preferably control the position of plastic plate, the separate plastic plate side on the sliding platform
Position of opening edge sets spacer pin.
Further, in order to ensure the smooth outflow of feed powder, and sliding platform can support the pedestal of top, described
Opening diameter on sliding platform is not less than the opening diameter on pedestal but less than the diameter of pedestal.
Further, for the ease of laying down extra coal dust, the tablet also has discharge openings, and discharge openings are located at material
On the tablet of Cang little Hang Chengchu, connection discharge duct below discharge openings.
Further, the driving device is any one in hydraulic drive, Pneumatic Transmission, motor drive.
Beneficial effects of the present invention are:The coal dust storage bin unloading device that the application provides, simple in structure to be easy to replicate, performance
Reliable and stable, high degree of automation controls feed bin to be moved back and forth between splicing and discharging, reaches and unload automatically by driving device
The purpose of material, and during feed bin movement, mouth and tablet dynamic sealing under feed bin will not have clout remnants on tablet.
Description of the drawings
Invention is described further with reference to the accompanying drawings and embodiments,
Fig. 1 is the front section view in storage bin unloading device splicing stage of the present invention;
Fig. 2 is the front section view of storage bin unloading device discharging phase of the present invention.
Wherein, 1. straight tube;2. sliding platform;3. feed bin;4. tablet;5. material-receiving device;6. discharge duct;7. driving device;
12. pedestal;13. hopper;21. spacer pin;22. spring;23. plate;24. sliding platform is open;25. pedestal opening;31. feed bin into
Material mouth;40. discharge openings;41. tablet is open.
Specific embodiment
A kind of coal dust storage bin unloading device provided by the invention, including charging gear, feed bin 3, tablet 4 and driving device 7,
The charging gear is located at 3 top of feed bin, for 3 pulverized coal conveying of feed hopper;The feed bin 3 is located at 4 top of tablet, the tablet
There are tablet openings 41 on 4, it is characterised in that:The driving device 7 drive feed bin 3 can charging gear and tablet opening 41 it
Between move back and forth.
3 bottom of feed bin is equipped with feed opening, and for discharging, the upper surface that the lower surface of 3 bottom of feed bin is tightly attached to tablet 4 is reciprocal
Movement, in order to make feed bin 3 without hindrance during exercise and will not material leakage, 4 upper surface of tablet be smooth flat on tablet 4,
It can be ground and be made, convenient for the movement of feed bin 3 on it, feed powder is not easy to accumulate on tablet 4.
Charging gear include the hopper 13 set gradually from top to bottom, the straight tube 1 of both ends open, pedestal 12 and with feed bin 3
Synchronization-moving sliding platform 2, the sliding platform 2 are the strip tablet more than 3 upper surface of feed bin, and the pedestal 12 is with sliding
Moving platform 2 is open at corresponding 1 position of straight tube, 12 lower surface of pedestal and 2 dynamic sealing of sliding platform, the lower surface of pedestal 12
It is tightly attached on the upper surface of sliding platform 2, sliding platform 2 can be moved relative to pedestal 12.
For restriction plate 23 and sliding platform 2, the motion track of device, sliding platform 2 are carried for surrounding thereon relatively
The pentahedron of baffle.Surrounding has baffle, and sliding platform 2 is made to form the platform with sliding slot or similar guide rail, to itself and its
Play restriction effect in the relative movement track of upper device.
Certainly, the spring 22 can be held away from the baffle of sliding platform one end of 23 side of plate, can also
It is fixed on the end position of sliding platform 2.
It is appreciated that the sliding platform 2 can not be baffled close to one end of plate 23, remaining side is equipped with baffle;It is sliding
Moving platform 2, will not to the sliding platform 2 and thereon relative movement track of device close to one end of plate 23 neither fixed spring 22
Play restriction effect, it is possible to not baffled.
On the sliding platform 2 close to tablet opening 41 side arranging plate 23, plate 23 can be plastic plate, plate 23
Spring 22 is set between 2 one end of sliding platform far from 23 side of plate, one end and the plate 23 of spring 22 fix, the other end with far
2 one end of sliding platform from 23 side of plate is fixed, and spring 22 can bypass the outside of charging gear.When feed bin 3 and sliding platform 2
When being open mobile to tablet together, plate 23 covers sliding platform opening 24 namely covers feed bin feed inlet 31, more ensures feed bin 3
The stabilization of coal dust amount when moving.
For the shift position of more precise control plate 23, at the 24 position edges of sliding platform opening far from 23 side of plate
Spacer pin 21 is set, when plate 23 is moved to sliding platform 24 top of opening, spacer pin 21 can continue to move with barrier plate 23, Gu
Surely the position of plate 23 is lived.Spacer pin 21 is integrally fixed on sliding platform 2, when sliding platform 2 is moved with feed bin 3, in order to make
Spacer pin 21 will not be blocked by pedestal 12, and the position that spacer pin 21 is set should avoid the both sides of pedestal 12, and can block
Plate 23.
In order to which coal dust falls unobstructed, the pedestal opening 25 and straight tube opening are best in the same size.
Sliding platform is open 24 diameters not less than 25 diameter of pedestal opening but less than the diameter of pedestal 12.
Plate 23 is used to cover sliding platform opening 24, it will be understood that plate 23 is slightly larger than sliding platform opening 24.
The shape of feed bin 3 can flexibly be set, it is preferred to use external square, the circular feed bin in inner cavity, inner cavity are circle, are not had
There is dead angle, coal dust will not stop accumulation on inner wall.
Driving device 7 can be any one in hydraulic drive, Pneumatic Transmission, motor drive, as long as control can be realized
The requirement that feed bin 3 moves.
It is readily appreciated that, 41 lower section of tablet opening is equipped with material-receiving device 5, for receiving the coal dust unloaded down.
The discharge openings 40 of tablet 4 are also connected with discharge duct 6, and discharge openings 40 are located at the tablet at the minimum stroke of feed bin
On, that is, there are discharge openings 40 on tablet 4 of the feed bin 3 on the left of the position below the charging gear during splicing, discharging is effective
In receiving extra coal dust in feed bin, when feed bin is after material-receiving device unloads powder, if also have in feed bin or charging gear it is extra
Coal dust, then feed bin can be moved at discharge duct 6 and lay down coal dust.
Specific operation principle is as follows:As shown in Figure 1, feed bin 3 is exactly in below sliding platform opening 24, hopper 13,
Straight tube 1, pedestal 12, sliding platform 2 are communicated with feed bin 3, and right side, that is, feed bin that plate 23 is located at pedestal 12 is moved toward tablet opening direction
The side of dynamic discharging, the coal dust in hopper 13 is by straight tube 1, by pedestal 12, into the cavity of feed bin 3, when coal dust is full of
Feed bin 3 and straight tube 1, driving device 7 drive feed bin 3 to move right along tablet 4, when being moved to tablet 41 position of opening, feed bin 3
Discharging.As shown in Fig. 2, the sliding platform 2 when feed bin 3 moves right above it is moved right with feed bin 3, work as sliding platform
2 turn right movement when, sliding platform opening 24 is covered by plate 23, until the location plate 23 for moving to spacer pin 21 is blocked,
It is no longer moved to the left, plate 23 just covers sliding platform opening 24 and feed bin feed inlet 31 at this time, therefore coal dust is limited in material
In 3 cavity of storehouse, moved right with sliding platform 2.And pedestal opening 25 is blocked by sliding platform at this time.When feed bin moves to
During tablet 41 position of opening, the coal dust in feed bin can be fallen into material-receiving device 5, complete discharging.When feed bin backhaul, bin bottom
Just the tablet extra powder at 41 that is open is struck off, returns to the lower section splicing of hopper 13 and straight tube 1 again, if feed bin or giving
Expect there be extra coal dust in device, then feed bin, which can be moved to the left at discharge duct 6, lays down extra coal dust.Feed bin 3 can
It is moved between hopper splicing, tablet opening 41 and discharge openings 40, achievees the purpose that discharging.Sliding platform during 3 backhaul of feed bin
Also it moves therewith, returns to state shown in FIG. 1.
Particular embodiments described above has carried out the purpose of the present invention, technical solution and advantageous effect further in detail
It describes in detail bright, it should be understood that the above is only a specific embodiment of the present invention, is not intended to restrict the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the guarantor of the present invention
Within the scope of shield.
Claims (14)
1. a kind of coal dust storage bin unloading device, including charging gear, feed bin(3), tablet(4)And driving device(7), the feed
Device is located at feed bin(3)Top, for feed hopper(3)Convey material;The feed bin(3)Positioned at tablet(4)Top, the tablet
(4)On there are tablet openings(41), the feed bin(3)It can be open in charging gear and tablet(41)Between move back and forth;It is described
Feed bin(3)Bottom is equipped with feed opening, feed bin(3)Lower surface be tightly attached to tablet(4)Upper surface moves back and forth, the tablet
(4)Upper surface is smooth flat;It is characterized in that:The charging gear includes the hopper set gradually from top to bottom(13), two
The straight tube of end opening(1), pedestal(12)With with the synchronization-moving sliding platform of feed bin(2), the sliding platform(2)To be more than material
Storehouse(3)The strip tablet of upper surface and with sliding platform opening(24), the pedestal is in corresponding straight tube position with pedestal
Opening(25), lower surface and the sliding platform of the pedestal are slidingly sealed.
2. storage bin unloading device according to claim 1, it is characterised in that:The sliding platform(2)It is that surrounding carries gear
The pentahedron of plate.
3. storage bin unloading device according to claim 1, it is characterised in that:The sliding platform(2)Close to one end of plate
Not baffled, remaining side is equipped with baffle.
4. the storage bin unloading device according to Claims 2 or 3, it is characterised in that:In the sliding platform(2)It is upper close
Tablet is open(41)Side arranging plate(23), plate(23)Spring is set between sliding platform one end far from plate side
(22), spring(22)One end and plate(23)Fixed, the other end is fixed with sliding platform one end far from plate side.
5. storage bin unloading device according to claim 4, it is characterised in that:Far from plate(23)The sliding platform of side is opened
Mouthful(24)Position edge sets spacer pin(21).
6. storage bin unloading device according to claim 5, it is characterised in that:The sliding platform opening(24)Diameter is not small
In pedestal opening(25)Diameter but less than pedestal(12)Diameter.
7. according to the storage bin unloading device described in claim 1-3 any claims, it is characterised in that:The tablet(4)Also
With discharge openings(40), discharge openings(40)It is located at feed bin(3)On tablet at minimum stroke, discharge openings(40)Lower section connects
It unloads expects pipe(6).
8. storage bin unloading device according to claim 4, it is characterised in that:The tablet(4)Also there are discharge openings
(40), discharge openings(40)It is located at feed bin(3)On tablet at minimum stroke, discharge openings(40)Lower section connects discharge duct(6).
9. storage bin unloading device according to claim 5, it is characterised in that:The tablet(4)Also there are discharge openings
(40), discharge openings(40)It is located at feed bin(3)On tablet at minimum stroke, discharge openings(40)Lower section connects discharge duct(6).
10. storage bin unloading device according to claim 6, it is characterised in that:The tablet(4)Also there are discharge openings
(40), discharge openings(40)It is located at feed bin(3)On tablet at minimum stroke, discharge openings(40)Lower section connects discharge duct(6).
11. storage bin unloading device according to claim 7, it is characterised in that:The driving device(7)For hydraulic drive,
Any one in Pneumatic Transmission, motor drive.
12. storage bin unloading device according to claim 8, it is characterised in that:The driving device(7)For hydraulic drive,
Any one in Pneumatic Transmission, motor drive.
13. storage bin unloading device according to claim 9, it is characterised in that:The driving device(7)For hydraulic drive,
Any one in Pneumatic Transmission, motor drive.
14. storage bin unloading device according to claim 10, it is characterised in that:The driving device(7)For hydraulic drive,
Any one in Pneumatic Transmission, motor drive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610758759.5A CN106185361B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust storage bin unloading device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610758759.5A CN106185361B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust storage bin unloading device |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106185361A CN106185361A (en) | 2016-12-07 |
CN106185361B true CN106185361B (en) | 2018-06-19 |
Family
ID=58088231
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610758759.5A Active CN106185361B (en) | 2016-08-30 | 2016-08-30 | A kind of coal dust storage bin unloading device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106185361B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115072339B (en) * | 2022-07-28 | 2024-03-22 | 苏州威登智能科技有限公司 | Automobile part production device with rapid diversion guiding function |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2637711A1 (en) * | 1976-08-21 | 1978-02-23 | Lindemann Maschfab Gmbh | FEEDING PUSH FOR PARTICULARLY PARTICULAR GOODS |
WO1998029323A1 (en) * | 1996-12-30 | 1998-07-09 | Outokumpu Technology Oy | Apparatus for processing lumpy material |
CN102730429A (en) * | 2012-07-13 | 2012-10-17 | 山东建设机械股份有限公司 | Horizontal finished product bin for asphalt mixing equipment |
CN102795485A (en) * | 2011-05-26 | 2012-11-28 | 许祥熙 | Machine for automatically filling quantitative powder |
CN203740638U (en) * | 2014-03-14 | 2014-07-30 | 温州市奔隆机械有限公司 | Remaining material recycling device |
CN105035781A (en) * | 2015-06-08 | 2015-11-11 | 武汉吉赛机电科技有限公司 | Refractory brick raw material weighing and transporting system |
CN206142470U (en) * | 2016-08-30 | 2017-05-03 | 山东华唐环保科技有限公司 | Buggy feed bin discharge apparatus |
-
2016
- 2016-08-30 CN CN201610758759.5A patent/CN106185361B/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2637711A1 (en) * | 1976-08-21 | 1978-02-23 | Lindemann Maschfab Gmbh | FEEDING PUSH FOR PARTICULARLY PARTICULAR GOODS |
WO1998029323A1 (en) * | 1996-12-30 | 1998-07-09 | Outokumpu Technology Oy | Apparatus for processing lumpy material |
CN102795485A (en) * | 2011-05-26 | 2012-11-28 | 许祥熙 | Machine for automatically filling quantitative powder |
CN102730429A (en) * | 2012-07-13 | 2012-10-17 | 山东建设机械股份有限公司 | Horizontal finished product bin for asphalt mixing equipment |
CN203740638U (en) * | 2014-03-14 | 2014-07-30 | 温州市奔隆机械有限公司 | Remaining material recycling device |
CN105035781A (en) * | 2015-06-08 | 2015-11-11 | 武汉吉赛机电科技有限公司 | Refractory brick raw material weighing and transporting system |
CN206142470U (en) * | 2016-08-30 | 2017-05-03 | 山东华唐环保科技有限公司 | Buggy feed bin discharge apparatus |
Also Published As
Publication number | Publication date |
---|---|
CN106185361A (en) | 2016-12-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104326274B (en) | Jumbo bag shedding mechanism | |
CN208618222U (en) | A kind of roadbed resolution lime paving spills device | |
CN205397529U (en) | Description depiler | |
CN105149215A (en) | Coke powder screening device | |
CN106185361B (en) | A kind of coal dust storage bin unloading device | |
CN106379706A (en) | Screw dividing mechanism and screw feeding device | |
CN211732932U (en) | Discharging device and feeding equipment | |
CN206142470U (en) | Buggy feed bin discharge apparatus | |
CN104308092B (en) | A kind of sanding device of hot box shoot core machine | |
CN105883019A (en) | Automatic bagging machine | |
CN204368453U (en) | With the metering device of scraper plate and plate | |
CN206842455U (en) | A kind of packing ring packing machine | |
CN203372843U (en) | Material distributing device for sludge or household garbage | |
CN209407825U (en) | Pairing tooling for lower cover and pedestal | |
CN103977643A (en) | Air purification cabinet used for server | |
CN204264941U (en) | To the material transmitting device of Banbury mixer feed | |
CN208994493U (en) | A kind of bucket elevator | |
CN209835086U (en) | Dustproof baffle box and impeller feeder | |
CN108298297A (en) | A kind of distribution conveying device of helical spring | |
CN210801243U (en) | Coal conveying device for thermal power plant | |
CN102795489A (en) | Multi-arm logarithmic curve unloader | |
CN208054378U (en) | A kind of distribution conveying device of helical spring | |
CN208761674U (en) | Flexible pipe assembly and grain pump truck | |
CN207142261U (en) | A kind of push-plate type automatic feeder equipment | |
CN211336640U (en) | Automatic change facial mask bag loading attachment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |