CN202044979U - Ammonium nitrate crusher - Google Patents
Ammonium nitrate crusher Download PDFInfo
- Publication number
- CN202044979U CN202044979U CN2011201360909U CN201120136090U CN202044979U CN 202044979 U CN202044979 U CN 202044979U CN 2011201360909 U CN2011201360909 U CN 2011201360909U CN 201120136090 U CN201120136090 U CN 201120136090U CN 202044979 U CN202044979 U CN 202044979U
- Authority
- CN
- China
- Prior art keywords
- ammonium nitrate
- frame
- bag
- disintegrating machine
- roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Refuse Collection And Transfer (AREA)
- Auxiliary Devices For And Details Of Packaging Control (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
The utility model discloses an ammonium nitrate crusher which can avoid impact load effect. The ammonium nitrate crusher comprises a rack and a motor, and at least one group of roller press devices are arranged on the rack. Ammonium nitrate is crushed by the roller press devices, during crushing, static pressure can be employed to effectively prevent the ammonium nitrate from the influence of impact load and avoid causing explosion. A cutter is arranged on the roller to cut apart a bag in which the ammonium nitrate is packed, so as to separate the bag from the ammonium nitrate conveniently. A bag removal device is arranged at the exit of the roller press devices, the waste bags can be removed automatically by the ammonium nitrate crusher, so that the labor strength of operators is decreased. A vibration device consisting of an eccentric wheel, a hanging nail and a vibration plate is arranged below the roller press devices, so that residual woven bag fiber in the ammonium nitrate is removed when the crushed ammonium nitrate slides downwards on the vibration plate, as a result the residual woven bag fiber is prevented from entering the next procedure. The ammonium nitrate crusher is suitable to be popularized and applied in the field of explosive production equipment.
Description
Technical field
The utility model relates to the explosive production apparatus field, especially a kind of ammonium nitrate disintegrating machine.
Background technology
Ammonium nitrate is one of primary raw material of producing by explosive, usually ammonium nitrate all is to preserve transportation with the form of blocks of solid, in the production process of explosive, need carry out fragmentation to the ammonium nitrate of blocks of solid, make it to reach the required lumpiness requirement of production, at present, in explosive production enterprise, general hammer or the wolf's fang formula disintegrating machine of using carries out fragmentation to blocks of solid ammonium nitrate, and the disintegrating machine of these two kinds of forms all can make ammonium nitrate be subjected to impact loading, causes an explosion accident easily, block ammonium nitrate all adopts the Polywoven Bag packing, before broken or need after the fragmentation sack is separated with ammonium nitrate, increased labor intensity of operating staff greatly, while production efficiency is also lower.
The utility model content
Technical problem to be solved in the utility model provides a kind of ammonium nitrate disintegrating machine of avoiding being subjected to impact loading.
The technical scheme that its technical problem that solves the utility model adopts is: this ammonium nitrate disintegrating machine, comprise frame, motor, motor is arranged on the frame, and frame is provided with at least one group of rolling device, and rolling device is connected with motor by transmission device.
Further be, the quantity of described rolling device is two groups, is provided with supporting plate between two groups of rolling devices.
Further be, described every group of rolling device comprises a pair of roller, and by the gear pair transmission, roller is provided with cutting knife between the roller, and roller is installed on the frame by axle and bearing.
Further be, be provided with except that bagging apparatus, remove bagging apparatus and be connected with motor by transmission device in the exit of described rolling device.
Further be, the described bagging apparatus that removes comprises and removes a bag wheel, baffle plate and clothes-hook, remove the bag wheel by axle and bearing fixing on frame, clothes-hook is arranged on the excircle that removes the bag wheel, baffle plate removes a bag wheel rear by being bolted on the frame and being positioned at.
Further be, be provided with conveying device in described rolling device the place ahead, conveying device is arranged on the frame, and conveying device is connected with motor by transmission device.
Further be, described conveying device comprises conveyer belt, cylinder, cylinder by the axle and bearing fixing on frame, conveyer belt is sleeved on the cylinder.
Further be, be provided with vibrating device below the exit of described rolling device, vibrating device is connected with motor by transmission device.
Further be, described vibrating device comprises eccentric wheel, clothes-hook, oscillating plate, and clothes-hook is arranged on the oscillating plate, and the oscillating plate upper end fixes on the frame by hinges fixing, and the lower end rides on the eccentric wheel, and eccentric wheel is installed on the frame by axle and bearing.
Further be, described transmission device comprises chain and sprocket wheel, and chain is sleeved on the sprocket wheel.
The beneficial effects of the utility model are: by the broken ammonium nitrate of rolling device, adopt the mode of static pressure when broken, can prevent effectively that ammonium nitrate is subjected to the influence of shock loading, avoid causing an explosion accident.The quantity of rolling device is set to two groups, guarantee the breaking size size prerequisite under, save cost, and between two groups of rolling devices, be provided with supporting plate, avoid ammonium nitrate when one group of rolling device enters next group rolling device, to drop.Simple in structure by the molecular rolling device of pair of rolls, static pressure is big, in addition, also is provided with cutting knife on roller, and the Polywoven Bag that will adorn ammonium nitrate in roll-in cuts, and conveniently Polywoven Bag is separated with ammonium nitrate.Be provided with except that bagging apparatus in the exit of rolling device, the ammonium nitrate disintegrating machine can be separated the bag that gives up automatically, has reduced labor intensity of operating personnel, has improved production efficiency.By the bagging apparatus of forming except that a bag wheel, baffle plate and clothes-hook that removes, it is effective to remove bag, and installation and maintenance conveniently.Be provided with conveying device in rolling device the place ahead, convenient ammonium nitrate is transported to carried out fragmentation in the rolling device.By the conveying device that conveyer belt, cylinder are formed, simple in structure, cost is low.Also be provided with vibrating device below rolling device, can make the ammonium nitrate after the fragmentation be transported to appointed positions smoothly, avoid ammonium nitrate to pile up in the exit of rolling device, what influence was produced normally carries out.By the vibrating device that eccentric wheel, clothes-hook, oscillating plate are formed, simple in structure, cost is low, and useless bag fiber residual in the ammonium nitrate thoroughly can also be known by clothes-hook, avoids useless bag fiber to enter next procedure.By the transmission device that chain and sprocket wheel are formed, transmission is effective, and installation and maintenance are convenient.
Description of drawings
Fig. 1 is the utility model ammonium nitrate disintegrating machine internal structure front view;
Fig. 2 is the utility model ammonium nitrate disintegrating machine internal structure vertical view;
Be labeled as among the figure: frame 1, motor 2, supporting plate 3, cutting knife 4, conveyer belt 5, cylinder 6, roller 7, remove bag wheel 8, baffle plate 9, clothes-hook 10, eccentric wheel 11, oscillating plate 12, chain 13, sprocket wheel 14, gear pair 15.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further specified.
As shown in Figure 1, 2, this ammonium nitrate disintegrating machine comprises frame 1, motor 2, and motor 2 is arranged on the frame 1, and frame 1 is provided with at least one group of rolling device, and rolling device is connected with motor 2 by transmission device.By the broken ammonium nitrate of rolling device, adopt the mode of static pressure when broken, can prevent effectively that ammonium nitrate is subjected to the influence of shock loading, avoid causing an explosion accident.The quantity of described rolling device is two groups, is provided with supporting plate 3 between two groups of rolling devices, under the prerequisite that guarantees the breaking size size, saves cost, can avoid ammonium nitrate to drop when one group of rolling device enters next group rolling device by supporting plate 3.Described every group of rolling device comprises a pair of roller 7, by gear pair 15 transmissions, roller 7 is provided with cutting knife 4 between the roller 7, and roller 7 is installed on the frame 1 by axle and bearing, a pair of roller 7 is distribution up and down, gap decision lumpiness size between the down roller 7, simple in structure by the rolling device that a pair of roller 7 is formed, static pressure is big, in addition, cutting knife 4 is set on roller 7, and the Polywoven Bag that will adorn ammonium nitrate in roll-in cuts, and conveniently Polywoven Bag is separated with ammonium nitrate.Be provided with except that bagging apparatus in the exit of described rolling device, remove bagging apparatus and be connected with motor 2 by transmission device, be provided with in the exit of rolling device and remove bagging apparatus, the ammonium nitrate disintegrating machine can be separated the bag that gives up automatically, reduce labor intensity of operating personnel, improved production efficiency.The described bagging apparatus that removes comprises except that bag wheel 8, baffle plate 9 and clothes-hook 10, remove bag wheel 8 by axle and bearing fixing on frame 1, clothes-hook 10 is arranged on the excircle that removes bag wheel 8, baffle plate 9 removes bag wheel 8 rears by being bolted on the frame 1 and being positioned at, by the bagging apparatus of forming except that bag wheel 8, baffle plate 9 and clothes-hook 10 that removes, it is effective to remove bag, and installation and maintenance are convenient.Be provided with conveying device in described rolling device the place ahead, conveying device is arranged on the frame 1, and conveying device is connected with motor 2 by transmission device, and convenient ammonium nitrate is transported to carried out fragmentation in the rolling device.Described conveying device comprises conveyer belt 5, cylinder 6, and on frame 1, conveyer belt 5 is sleeved on the cylinder 6 by axle and bearing fixing for cylinder 6, and by the conveying device that conveyer belt 5, cylinder 6 are formed, simple in structure, cost is low.Below the exit of described rolling device, be provided with vibrating device, vibrating device is connected with motor 2 by transmission device, vibrating device is set below rolling device, make the ammonium nitrate after the fragmentation be transported to appointed positions smoothly, avoid ammonium nitrate to pile up in the exit of rolling device, what influence was produced normally carries out.Described vibrating device comprises eccentric wheel 11, clothes-hook 10, oscillating plate 12, clothes-hook 10 is arranged on the oscillating plate 12, oscillating plate 12 upper ends fix on the frame 1 by hinges fixing, the lower end rides on the eccentric wheel 11, and eccentric wheel 11 is installed on the frame 1 by axle and bearing, the vibrating device of being made up of eccentric wheel 11, clothes-hook 10, oscillating plate 12, simple in structure, cost is low, and useless bag fiber residual in the ammonium nitrate thoroughly can also be known by clothes-hook 10, avoids useless bag fiber to enter next procedure.Described transmission device comprises chain 13 and sprocket wheel 14, and chain 13 is sleeved on the sprocket wheel 14, and by the transmission device that chain 13 and sprocket wheel 14 are formed, transmission is effective, and installation and maintenance are convenient.
Concrete, this ammonium nitrate disintegrating machine comprises frame 1, motor 2, and motor 2 is arranged on the frame 1, and frame 1 is provided with at least one group of rolling device, and rolling device is connected with motor 2 by transmission device.The quantity of described rolling device can be a plurality of, concrete quantity can require to decide according to single bag of ammonium nitrate size, discharging lumpiness, generally, the quantity of described rolling device is two groups, under the prerequisite that guarantees the breaking size size, save cost, be provided with supporting plate 3 between two groups of rolling devices, can avoid ammonium nitrate when one group of rolling device enters next group rolling device, to drop by supporting plate 3.Described rolling device can have numerous embodiments, for example, can adopt a roller and one flat plate, roller is positioned at dull and stereotyped top, also can adopt a roller and a sleeve, roller is arranged in the sleeve, the diameter of roller is descending to gradually change, and as preferred mode is: described every group of rolling device comprises a pair of roller 7, passes through gear pair 15 transmissions between the roller 7, roller 7 is provided with cutting knife 4, roller 7 is installed on the frame 1 by axle and bearing, and a pair of roller 7 is distribution up and down, the gap decision lumpiness size between the down roller 7, simple in structure by the rolling device that a pair of roller 7 is formed, static pressure is big, in addition, cutting knife 4 is set on roller 7, the Polywoven Bag that to adorn ammonium nitrate in roll-in cuts, conveniently Polywoven Bag is separated with ammonium nitrate, described cutting knife 4 can only be arranged on one of them roller 7, also can on a plurality of rollers 7 cutting knife 4 be set, generally, only in the end cutting knife 4 being set on roller 7 gets final product.In order to reduce labor intensity of operating personnel, enhance productivity, be provided with except that bagging apparatus in the exit of rolling device, remove bagging apparatus and be connected with motor 2 by transmission device, can automatically the bag that gives up be separated by removing bagging apparatus ammonium nitrate disintegrating machine.The described bagging apparatus that removes can have numerous embodiments, for example, screen cloth or clothes-hook etc. can be set in the rolling device exit, also can hair-dryer be set in the rolling device exit, the useless bag of fragmentation is blown off away, as preferred mode be: the described bagging apparatus that removes comprises that removing bag takes turns 8, baffle plate 9 and clothes-hook 10, remove bag wheel 8 by axle and bearing fixing on frame 1, clothes-hook 10 is arranged on the excircle that removes bag wheel 8, baffle plate 9 removes bag wheel 8 rears by being bolted on the frame 1 and being positioned at, by removing bag wheel 8, baffle plate 9 and clothes-hook 10 formed removes bagging apparatus, and it is effective to remove bag, and installation and maintenance are convenient.For convenience ammonium nitrate is transported to and carries out fragmentation in the rolling device, be provided with conveying device in rolling device the place ahead, conveying device is arranged on the frame 1, and conveying device is connected with motor 2 by transmission device.Described conveying device can adopt multiple modes such as the delivery sheet that is obliquely installed or funnel, as preferred mode be: described conveying device comprises conveyer belt 5, cylinder 6, cylinder 6 by axle and bearing fixing on frame 1, conveyer belt 5 is sleeved on the cylinder 6, the conveying device of forming by conveyer belt 5, cylinder 6, simple in structure, cost is low.In order to make the ammonium nitrate after the fragmentation be transported to appointed positions smoothly, avoid the exit of ammonium nitrate accumulation at rolling device, what influence was produced normally carries out, and is provided with vibrating device below the exit of rolling device, and vibrating device is connected with motor 2 by transmission device.Described vibrating device can adopt multiple mode to realize, for example, can below the exit of rolling device, be obliquely installed one flat plate, one or more cylinders are set below flat board, as preferred mode be: described vibrating device comprises eccentric wheel 11, clothes-hook 10, oscillating plate 12, clothes-hook 10 is arranged on the oscillating plate 12, oscillating plate 12 upper ends fix on the frame 1 by hinges fixing, the lower end rides on the eccentric wheel 11, eccentric wheel 11 is installed on the frame 1 by axle and bearing, by eccentric wheel 11, clothes-hook 10, the vibrating device that oscillating plate 12 is formed, simple in structure, cost is low, and useless bag fiber residual in the ammonium nitrate thoroughly can also be known by clothes-hook 10, avoids useless bag fiber to enter next procedure.Described transmission device can be built-up gear or linkage etc., as preferred mode be: described transmission device comprises chain 13 and sprocket wheel 14, and chain 13 is sleeved on the sprocket wheel 14, the transmission device of being made up of chain 13 and sprocket wheel 14, transmission is effective, and installation and maintenance are convenient.
The course of work of this ammonium nitrate disintegrating machine is as follows: at first, actuating motor 2, motor 2 is by chain 13, sprocket wheel 14 drives cylinder 6 inhours and rotates, make the ammonium nitrate of one bag of another bag be forced to send in roller 7 gaps of first group of rolling device by conveyer belt 5, roller 7 gaps of first group of rolling device are bigger, realize thick the pressure, once slightly press, whole bag ammonium nitrate after thick the pressure, under thrust, enter in roller 7 gaps of second group of rolling device, roller 7 gaps of second group of rolling device are less, after carrying out the secondary crushing, reach the requirement of discharging lumpiness, in the secondary crushing, the cutting knife 4 that is arranged on last roller 7 vertically cuts the crushed ammonium nitrate of whole bag, the ammonium nitrate sack that cuts is tangled by the anti-clockwise clothes-hook 10 that removes on the bag wheel 8, ammonium nitrate falls by deadweight, removing bag takes turns when rotating to an angle, useless bag is under baffle plate 9 effects, automatically come off from the rear, ammonium nitrate drops on the oscillating plate 12, slowly glides with oscillating plate 12 directions, residual knitted bag fiber is tangled by the clothes-hook on the oscillating plate 12 10, thus the knitted bag fiber of noresidue in the ammonium nitrate that has guaranteed to crush.
Claims (10)
1. the ammonium nitrate disintegrating machine comprises frame (1), motor (2), and motor (2) is arranged on the frame (1), it is characterized in that: frame (1) is provided with at least one group of rolling device, and rolling device is connected with motor (2) by transmission device.
2. ammonium nitrate disintegrating machine as claimed in claim 1 is characterized in that: the quantity of described rolling device is two groups, is provided with supporting plate (3) between two groups of rolling devices.
3. ammonium nitrate disintegrating machine as claimed in claim 1 or 2, it is characterized in that: described every group of rolling device comprises a pair of roller (7), by gear pair (15) transmission, roller (7) is provided with cutting knife (4) between the roller (7), and roller (7) is installed on the frame (1) by axle and bearing.
4. ammonium nitrate disintegrating machine as claimed in claim 3 is characterized in that: be provided with except that bagging apparatus in the exit of described rolling device, remove bagging apparatus and be connected with motor (2) by transmission device.
5. ammonium nitrate disintegrating machine as claimed in claim 4, it is characterized in that: the described bagging apparatus that removes comprises that removing bag takes turns (8), baffle plate (9) and clothes-hook (10), remove bag wheel (8) by axle and bearing fixing on frame (1), clothes-hook (10) is arranged on the excircle that removes bag wheel (8), and baffle plate (9) removes bag wheel (a 8) rear by being bolted to frame (1) and going up and be positioned at.
6. ammonium nitrate disintegrating machine as claimed in claim 4 is characterized in that: be provided with conveying device in described rolling device the place ahead, conveying device is arranged on the frame (1), and conveying device is connected with motor (2) by transmission device.
7. ammonium nitrate disintegrating machine as claimed in claim 6 is characterized in that: described conveying device comprises conveyer belt (5), cylinder (6), cylinder (6) by the axle and bearing fixing on frame (1), conveyer belt (5) is sleeved on the cylinder (6).
8. ammonium nitrate disintegrating machine as claimed in claim 6 is characterized in that: be provided with vibrating device below the exit of described rolling device, vibrating device is connected with motor (2) by transmission device.
9. ammonium nitrate disintegrating machine as claimed in claim 8, it is characterized in that: described vibrating device comprises eccentric wheel (11), clothes-hook (10), oscillating plate (12), clothes-hook (10) is arranged on the oscillating plate (12), oscillating plate (12) upper end fixes on the frame (1) by hinges fixing, the lower end rides on the eccentric wheel (11), and eccentric wheel (11) is installed on the frame (1) by axle and bearing.
10. ammonium nitrate disintegrating machine as claimed in claim 8 is characterized in that: described transmission device comprises chain (13) and sprocket wheel (14), and chain (13) is sleeved on the sprocket wheel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201360909U CN202044979U (en) | 2011-05-03 | 2011-05-03 | Ammonium nitrate crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201360909U CN202044979U (en) | 2011-05-03 | 2011-05-03 | Ammonium nitrate crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202044979U true CN202044979U (en) | 2011-11-23 |
Family
ID=44985304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201360909U Expired - Lifetime CN202044979U (en) | 2011-05-03 | 2011-05-03 | Ammonium nitrate crusher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202044979U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209159A (en) * | 2014-09-18 | 2014-12-17 | 洪益如 | Iminodiacetonitrile crushing machine being free of damaging package bag |
| CN106045793A (en) * | 2016-05-26 | 2016-10-26 | 长沙市望城区东城机械化工厂 | Irregular forming and granulating apparatus for fireworks propellant |
| CN106829098A (en) * | 2017-01-18 | 2017-06-13 | 陈宏� | A kind of solid ammonium nitrate automatic bag-opening disintegrating machine |
| CN110152783A (en) * | 2019-05-09 | 2019-08-23 | 西南交通大学 | A kind of railway contact line concurrent grinding device |
| CN112693885A (en) * | 2020-12-24 | 2021-04-23 | 安徽江南化工股份有限公司 | Ammonium nitrate conveying device and method applied to industrial explosive production line |
| CN117816324A (en) * | 2024-03-06 | 2024-04-05 | 河北云山化工集团有限公司 | Crushing device and method for production of expanded ammonium nitrate explosive |
-
2011
- 2011-05-03 CN CN2011201360909U patent/CN202044979U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209159A (en) * | 2014-09-18 | 2014-12-17 | 洪益如 | Iminodiacetonitrile crushing machine being free of damaging package bag |
| CN106045793A (en) * | 2016-05-26 | 2016-10-26 | 长沙市望城区东城机械化工厂 | Irregular forming and granulating apparatus for fireworks propellant |
| CN106045793B (en) * | 2016-05-26 | 2018-01-30 | 长沙市望城区西港机械设备制造厂 | A kind of irregular formed granulating device of firework launching medicine |
| CN106829098A (en) * | 2017-01-18 | 2017-06-13 | 陈宏� | A kind of solid ammonium nitrate automatic bag-opening disintegrating machine |
| CN110152783A (en) * | 2019-05-09 | 2019-08-23 | 西南交通大学 | A kind of railway contact line concurrent grinding device |
| CN110152783B (en) * | 2019-05-09 | 2021-06-08 | 西南交通大学 | Railway contact net concrete pole reducing mechanism |
| CN112693885A (en) * | 2020-12-24 | 2021-04-23 | 安徽江南化工股份有限公司 | Ammonium nitrate conveying device and method applied to industrial explosive production line |
| CN117816324A (en) * | 2024-03-06 | 2024-04-05 | 河北云山化工集团有限公司 | Crushing device and method for production of expanded ammonium nitrate explosive |
| CN117816324B (en) * | 2024-03-06 | 2024-04-26 | 河北云山化工集团有限公司 | Crushing device and method for production of expanded ammonium nitrate explosive |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202044979U (en) | Ammonium nitrate crusher | |
| CN106508316A (en) | Environment-friendly processing equipment for straw | |
| CN102872960A (en) | Scraped glass smashing device | |
| CN208390102U (en) | A kind of processing equipment for pulverizing recycled for electronic waste | |
| CN107030936A (en) | A kind of rubber chunk separation production line and preparation technology | |
| CN214052008U (en) | Rolling device for reinforcing steel bars in concrete beam | |
| CN202824078U (en) | Recovery processing equipment for waste oil filter | |
| CN107755060A (en) | Cullet crushes impurity removed system and its control method | |
| CN201424607Y (en) | Wastepaper bale breaking machine | |
| CN110876261A (en) | Fragmentation device | |
| EP3275551B1 (en) | Machine for recycling laminated plasterboard, separation method performed by said machine and use of same | |
| CN207077657U (en) | New and effective safety-type breaker | |
| CN2292758Y (en) | Unpacking machine for bagged cement | |
| CN107907391A (en) | Sampling machine for crushing and dividing minerals | |
| CN109833943A (en) | Birotor scrap steel crusher and breaking method | |
| CN104109059B (en) | Powder ammonium nitrate explosive gives up the automatic peeling and recovering equipment of powder stick | |
| CN111604154A (en) | Full-automatic fertilizer bag-pouring, crushing and impurity-removing machine | |
| CN201500542U (en) | Roller crusher | |
| CN1821485A (en) | Cotton stalk crusher | |
| KR101798648B1 (en) | waste paint can recycling machine | |
| CN207014614U (en) | Novel portable high capacity crusher | |
| CN201537987U (en) | Waste tire crusher capable of screening and feeding back | |
| CN209188951U (en) | Fishing net clout recycle device | |
| CN2876146Y (en) | Cotton stalk crusher | |
| CN105691780B (en) | For being packaged the shredding facilities and chopping method of fabric, flexible fiber |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |