CN202742532U - Material distribution and stirring system and dry-mixed mortar device comprising system - Google Patents
Material distribution and stirring system and dry-mixed mortar device comprising system Download PDFInfo
- Publication number
- CN202742532U CN202742532U CN201220477052.4U CN201220477052U CN202742532U CN 202742532 U CN202742532 U CN 202742532U CN 201220477052 U CN201220477052 U CN 201220477052U CN 202742532 U CN202742532 U CN 202742532U
- Authority
- CN
- China
- Prior art keywords
- blow vent
- pipeline section
- mixer
- stirring system
- meausring apparatus
- 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
Abstract
The utility model provides a material distribution and stirring system and a dry-mixed mortar device comprising the system, wherein the material distribution and stirring system comprises a weighing device, a stirring machine and a material collecting device; the weighing device comprises a feed port and a discharge port, and the weighing device is provided with a first ventilation port; the stirring machine comprises the discharge port and the feed port corresponding to the discharge port of the weighing device, a second ventilation port is arranged on the stirring machine, and a channel which can be opened and closed is connected between the second ventilation port and the first ventilation port; and the material collecting device comprises the feed port corresponding to the discharge port of the stirring machine, the material collecting device is provided with a third ventilation port, and the channel which can be opened and closed is connected between the third ventilation port and the first ventilation port and/or the second ventilation port. The material distribution and stirring system disclosed by the utility model has simple structure and can realize the purposes of simultaneously accelerating the speed of material when the material enters into the weighing device, the stirring machine and the material collecting device in the same stirring system, and further reduce energy consumption.
Description
Technical field
The sub-material that relates to the utility model stirs the field, in particular to a kind of sub-material stirring system and comprise the dry-mixed mortar device of this system.
Background technology
At present, as shown in Figure 1, in the sub-material stirring system, especially in dry mixed mortar device, in order to realize the air pressure balance between mixer 12, meausring apparatus 11 and the material-gathering device three, usually take to connect two butterfly valves and add that the air-pressure balancing device of negative pressure dust removing device adjusts the air pressure between the above-mentioned three.Adopt above-mentioned bascule, complete when meausring apparatus 11 weighings, during toward mixer 12 discharging, deduster 13 is started working, and the pressure of mixer 12 interior generations is discharged by deduster 13, and then increase the material amount of calling oneself device 11 to the discharge rate of mixer 12.Simultaneously, the dust of collecting then directly the elephant trunk by deduster 13 bottoms directly slip back in the mixer 12.
But, adopt this air-pressure balancing device to have following problem:
1, at mixer 12 during toward bottom material-gathering device blowdown, because mixer 12 interior formation negative pressure can cause blanking velocity slack-off;
When 2, mixer 12 worked, negative pressure dust removing device 13 can suck deduster 13 to the partial material in the mixer 12, and this quality to mortar has certain influence;
3, owing to increase a deduster 13, therefore, energy consumption and fault rate have been increased.
The utility model content
The utility model aims to provide a kind of sub-material stirring system and comprises the dry-mixed mortar device of this system, to be implemented in the same stirring system, reach the purpose of the speed that increases material and enter meausring apparatus, the material discharge rate to mixer and material discharge rate to material-gathering device from mixer from the weighing device.
To achieve these goals, according to an aspect of the present utility model, provide a kind of sub-material stirring system, having comprised: meausring apparatus, have charging aperture and discharging opening, meausring apparatus is provided with the first blow vent; Mixer has discharging opening and the charging aperture corresponding with the discharging opening of meausring apparatus, is provided with the second blow vent on the mixer, is connected with passage to be opened/closed between the second blow vent and the first blow vent; Material-gathering device has the charging aperture corresponding with the discharging opening of mixer, and material-gathering device is provided with the 3rd blow vent, is connected with passage to be opened/closed between the 3rd blow vent and the first blow vent and/or the second blow vent.
Further, connect the passage between the 3rd blow vent and the first blow vent and/or the second blow vent, and the passage that connects between the second blow vent and the first blow vent comprises conduit.
Further, conduit comprises: the first pipeline section, and the first end of the first pipeline section is communicated with the first blow vent; The second pipeline section, the second pipeline section comprises: first pipeline section, the first end of first pipeline section is communicated with the second end of the first pipeline section, is communicated with between the second end of first pipeline section and the second blow vent, can be opened and closed to be communicated with between the first end of first pipeline section and its second end; Second pipeline section, the first end of second pipeline section is communicated with the second end of the first pipeline section, is communicated with between the second end of second pipeline section and the 3rd blow vent, can be opened and closed to be communicated with between the second end of the first end of the first pipeline section and second pipeline section.
Further, be communicated with by the first control valve is to be opened/closed between the second end of the first pipeline section and the second pipeline section.
Further, be provided with the second control valve on first pipeline section, the connected state between the first end of first pipeline section of the second control valve control and the second end of first pipeline section.
Further, be provided with the 3rd control valve on second pipeline section, the connected state between the first end of second pipeline section of the 3rd control valve control and the second end of second pipeline section.
Further, the first blow vent is arranged on the top of meausring apparatus, and the second blow vent is arranged at the top of mixer, and the 3rd blow vent is arranged at the top of material-gathering device.
Further, the top of meausring apparatus is provided with the first gas permeable devices, is communicated with by the first gas permeable devices between meausring apparatus and the atmosphere.
Further, the top of mixer is provided with the second gas permeable devices, is communicated with by the second gas permeable devices between mixer and the atmosphere.
According on the other hand of the present utility model, a kind of dry-mixed mortar device is provided, comprise the sub-material stirring system, wherein, the sub-material stirring system is above-mentioned sub-material stirring system.
Sub-material stirring system of the present utility model and comprise the dry-mixed mortar device of this system, be connected passage to be opened/closed between the first blow vent by making meausring apparatus and the second blow vent of mixer, be connected passage to be opened/closed between material-gathering device the 3rd blow vent and the first blow vent and/or the second blow vent, during use, when material enters meausring apparatus, pressure increases in the meausring apparatus, be communicated with the first blow vent this moment with the second blow vent and/or the 3rd blow vent, so that air passes to mutually and reaches pressure balance between meausring apparatus and mixer and/or the material-gathering device, guaranteed that material can promptly enter meausring apparatus.When the complete backward mixer discharging of meausring apparatus weighing, the mixer internal gas pressure raises, the meausring apparatus internal gas pressure reduces, interconnect the first blow vent, the second blow vent and third through-hole mouth three this moment, so that air passes to mutually and reaches pressure balance between meausring apparatus and mixer and the material-gathering device, guaranteed that material can promptly enter mixer.Complete during to the material-gathering device discharging when material stirring in the mixer, the second blow vent is communicated with the 3rd blow vent, make between mixer and the material-gathering device to reach air pressure balance, guaranteed that material can promptly enter in the material-gathering device.The utility model is simple in structure, in same stirring system, can accelerate simultaneously material and enter the interior speed of meausring apparatus, mixer and material-gathering device, has reduced energy consumption.
Description of drawings
The Figure of description that consists of the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not consist of improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of sub-material stirring system of the prior art; And
Fig. 2 shows the structural representation of the sub-material stirring system among the utility model embodiment.
The specific embodiment
Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
As shown in Figure 2, the sub-material stirring system of present embodiment, comprise: meausring apparatus 20, mixer 30 and material-gathering device 40, wherein, meausring apparatus 20 has for the charging aperture that receives material and is used for the discharging opening of discharging, be provided with the first blow vent on the meausring apparatus 20, preferably the first blow vent is positioned at the top of meausring apparatus 20; Mixer 30 has discharging opening and the charging aperture corresponding with the discharging opening of meausring apparatus 20, be provided with the second blow vent on the mixer 30, be connected with passage to be opened/closed between the second blow vent and the first blow vent, preferably, the second blow vent is positioned at the top of mixer 30; Material-gathering device 40 has the charging aperture corresponding with the discharging opening of mixer 30, and the top of material-gathering device 40 is provided with the 3rd blow vent, is connected with passage to be opened/closed between the 3rd blow vent and the first blow vent and/or the second blow vent.The sub-material stirring system of present embodiment can be dry mixed mortar device.
The sub-material stirring system of present embodiment, be connected passage to be opened/closed between the first blow vent by making meausring apparatus 20 and the second blow vent of mixer 30, be connected passage to be opened/closed between material-gathering device 40 the 3rd blow vent and the first blow vent and/or the second blow vent, during use, when material enters meausring apparatus 20, pressure increases in the meausring apparatus 20, be communicated with the first blow vent this moment with the second blow vent and/or the 3rd blow vent, so that air passes to mutually and reaches pressure balance between meausring apparatus 20 and mixer 30 and/or the material-gathering device 40, guaranteed that material can promptly enter meausring apparatus 20.When complete backward mixer 30 discharging of meausring apparatus 20 weighings, mixer 30 internal gas pressures raise, meausring apparatus 20 internal gas pressures reduce, interconnect the first blow vent, the second blow vent and third through-hole mouth three this moment, so that air passes to mutually and reaches pressure balance between meausring apparatus 20 and mixer 30 and the material-gathering device 40, guaranteed that material can promptly enter mixer 30.Complete during to material-gathering device 40 discharging when mixer 30 interior material stirrings, the second blow vent is communicated with the 3rd blow vent, make between mixer 30 and the material-gathering device 40 to reach air pressure balance, guaranteed that material can promptly enter in the material-gathering device 40.Present embodiment is simple in structure, can accelerate simultaneously material and enter speed in meausring apparatus 20, mixer 30 and the material-gathering device 40, has reduced energy consumption.
Adopt the mode of deduster to regulate the defective that discharge rate causes in order to solve, in the sub-material stirring system of present embodiment, between the 3rd blow vent and the first blow vent and/or the second blow vent, and the passage between the second blow vent and the first blow vent comprises conduit.Preferably, conduit comprises: the first pipeline section 51 and the second pipeline section 52, and wherein, the first pipeline section 51 is preferably bend pipe, and the upper end of the first pipeline section 51 is communicated with the first blow vent, preferably, is connected by canvas cover 100 between the first pipeline section 51 and the first blow vent; The upper end of the second pipeline section 52 can be opened and closed to be connected with the lower end of the first pipeline section 51, preferably, the second pipeline section 52 comprises: first pipeline section 521 and second pipeline section 522, be communicated with between the lower end of first pipeline section 521 and the second blow vent, the upper end of first pipeline section 521 is communicated with the upper end of second pipeline section 522; Be communicated with between the lower end of second pipeline section 522 and the 3rd blow vent.Preferably, between the upper end of the lower end of the first pipeline section 51 and the second pipeline section 52 by 80 to be opened/closed connections of the first control valve.Be provided with the lower end of first pipeline section 521 of the second control valve 90, the second control valves, 90 controls and the connected state between its upper end on first pipeline section 521.Wherein, the first control valve 80 and/or the second control valve 90 are preferably Pneumatic butterfly valve.Present embodiment can also arrange the 3rd control valve at second pipeline section 522, controls the lower end of second pipeline section 522 and the connected state between its upper end by the 3rd control valve.
Present embodiment utilizes conduit with meausring apparatus 20, be communicated with between mixer 30 and/or the material-gathering device 40, and by being communicated with between the first control valve 80 control the first blow vent and the second pipeline section 52, control the connected state at the up and down two ends of first pipeline section 521 by the second control valve 90, in use, when complete backward mixer 30 discharging of meausring apparatus 20 weighings, mixer 30 internal gas pressures raise, meausring apparatus 20 internal gas pressures reduce, can open the first control valve 80 and the second control valve 90 simultaneously this moment, so that the first blow vent, the second blow vent and third through-hole mouth three interconnect, and then so that between meausring apparatus 20 and mixer 30 and the material-gathering device 40 air pass to mutually and reach pressure balance, guaranteed that material can promptly enter mixer 30.After the material discharging is complete, close the first control valve 80 and the second control valve 90.When mixer 30 interior material stirrings complete during to material-gathering device 40 discharging, open the second control valve 90, the second blow vent is communicated with the 3rd blow vent, makes between mixer 30 and the material-gathering device 40 to reach air pressure balance, guaranteed that material can promptly enter in the material-gathering device 40.
Present embodiment utilizes guide-tube structure to replace deduster structure of the prior art to come the air pressure balance of control device inside, has not only guaranteed the discharge rate of said process, and the installation cost step-down, and fault rate diminishes.Simultaneously, because pressure balance, avoided the formation of mixer 30 internal negative pressures, therefore, when mixer 30 normal operation, material can the inspiration conduit, has guaranteed further the quality of mortar.
The speed, material that enters meausring apparatus 20 in order to accelerate further material from weighing device 20 in the mixer 30 discharge rate and from mixer 30 discharge rate to material-gathering device 40, present embodiment is provided with the first gas permeable devices 60 on the top of meausring apparatus 20, to be communicated with between meausring apparatus 20 and the atmosphere.Be provided with the second gas permeable devices 70 on the top of mixer 30, to be communicated with between mixer 30 and the atmosphere.Preferably, the first gas permeable devices 60 and/or the second gas permeable devices 70 are Ventilated cap.
Operation principle and the flow process of present embodiment are as follows:
When material enters meausring apparatus 20, pressure increases in the meausring apparatus 20, open the first control valve 80 and the second control valve 90, air pressure part in the meausring apparatus 20 enters atmosphere by the first gas permeable devices 60, another part by conduit so that reach pressure balance between meausring apparatus 20, mixer 30 and the material-gathering device 40, guarantee that material can promptly enter meausring apparatus 20, after the material discharging is complete, close the first control valve 80 and the second control valve 90.
Complete during to mixer 30 interior discharging when meausring apparatus 20 weighings, mixer 30 internal gas pressures raise, and meausring apparatus 20 internal gas pressures reduce.Open the first control valve 80 and the second control valve 90 this moment, mixer 30 is connected with meausring apparatus 20, the Pneumatic pipe cleaner of mixer 30 inside is crossed conduit and is entered meausring apparatus 20, a part of pressure enters atmosphere by the second gas permeable devices 70 in addition, so that reach pressure balance in mixer 30 and the meausring apparatus 20, accelerate discharge rate.After finishing, discharging closes the first control valve 80 and the second control valve 90.
Complete when material-gathering device 40 discharging when mixer 30 interior material stirrings, open the second control valve 90, so that be communicated with between mixer 30 and the material-gathering device 40, air pressure reaches balance.Close the second control valve 90 after discharging is complete.
The utility model also provides a kind of dry-mixed mortar device, comprises the sub-material stirring system, and wherein, the sub-material stirring system is above-mentioned sub-material stirring system.
From above description, can find out, the sub-material stirring system of present embodiment and comprise the dry-mixed mortar device of this system, have with mixer 30 by the first blow vent that makes meausring apparatus 20 and to be connected passage to be opened/closed between the second blow vent, be connected passage to be opened/closed between material-gathering device 40 the 3rd blow vent and the first blow vent and/or the second blow vent, during use, when material enters meausring apparatus 20, pressure increases in the meausring apparatus 20, be communicated with the first blow vent this moment with the second blow vent and/or the 3rd blow vent, so that air passes to mutually and reaches pressure balance between meausring apparatus 20 and mixer 30 and/or the material-gathering device 40, guaranteed that material can promptly enter meausring apparatus 20.When complete backward mixer 30 discharging of meausring apparatus 20 weighings, mixer 30 internal gas pressures raise, meausring apparatus 20 internal gas pressures reduce, interconnect the first blow vent, the second blow vent and third through-hole mouth three this moment, so that air passes to mutually and reaches pressure balance between meausring apparatus 20 and mixer 30 and the material-gathering device 40, guaranteed that material can promptly enter mixer 30.Complete during to material-gathering device 40 discharging when mixer 30 interior material stirrings, the second blow vent is communicated with the 3rd blow vent, make between mixer 30 and the material-gathering device 40 to reach air pressure balance, guaranteed that material can promptly enter in the material-gathering device 40.Present embodiment is simple in structure, can accelerate simultaneously material and enter speed in meausring apparatus 20, mixer 30 and the material-gathering device 40, has reduced energy consumption.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a sub-material stirring system is characterized in that, comprising:
Meausring apparatus (20) has charging aperture and discharging opening, and described meausring apparatus (20) is provided with the first blow vent;
Mixer (30), have discharging opening and the charging aperture corresponding with the discharging opening of described meausring apparatus (20), described mixer is provided with the second blow vent on (30), is connected with passage to be opened/closed between described the second blow vent and described the first blow vent;
Material-gathering device (40), have the charging aperture corresponding with the discharging opening of described mixer (30), described material-gathering device (40) is provided with the 3rd blow vent, is connected with passage to be opened/closed between described the 3rd blow vent and described the first blow vent and/or described the second blow vent.
2. sub-material stirring system according to claim 1, it is characterized in that, connect the passage between described the 3rd blow vent and described the first blow vent and/or described the second blow vent, and the passage that connects between described the second blow vent and described the first blow vent comprises conduit.
3. sub-material stirring system according to claim 2 is characterized in that, described conduit comprises:
The first pipeline section (51), the first end of described the first pipeline section (51) is communicated with described the first blow vent;
The second pipeline section (52), described the second pipeline section (52) comprising:
First pipeline section (521), the first end of described first pipeline section (521) is communicated with the second end of described the first pipeline section (51), be communicated with between the second end of described first pipeline section (521) and described the second blow vent, can be opened and closed to be communicated with between the first end of described first pipeline section (521) and its second end;
Second pipeline section (522), the first end of described second pipeline section (522) is communicated with the second end of described the first pipeline section (51), be communicated with between the second end of described second pipeline section (522) and described the 3rd blow vent, can be opened and closed to be communicated with between the second end of the first end of described the first pipeline section (51) and described second pipeline section (522).
4. sub-material stirring system according to claim 3 is characterized in that, between the second end of described the first pipeline section (51) and described the second pipeline section (52) by to be opened/closed connection of the first control valve (80).
5. sub-material stirring system according to claim 3, it is characterized in that, be provided with the second control valve (90) on described first pipeline section (521), the connected state between the first end of described the second control valve (90) described first pipeline section of control (521) and the second end of described first pipeline section (521).
6. sub-material stirring system according to claim 3, it is characterized in that, be provided with the 3rd control valve on described second pipeline section (522), described the 3rd control valve is controlled the connected state between the second end of the first end of described second pipeline section (522) and described second pipeline section (522).
7. sub-material stirring system according to claim 1, it is characterized in that, described the first blow vent is arranged on the top of described meausring apparatus (20), described the second blow vent is arranged at the top of described mixer (30), and described the 3rd blow vent is arranged at the top of described material-gathering device (40).
8. each described sub-material stirring system in 7 according to claim 1, it is characterized in that, the top of described meausring apparatus (20) is provided with the first gas permeable devices (60), is communicated with by described the first gas permeable devices (60) between described meausring apparatus (20) and the atmosphere.
9. each described sub-material stirring system in 7 according to claim 1, it is characterized in that, the top of described mixer (30) is provided with the second gas permeable devices (70), is communicated with by described the second gas permeable devices (70) between described mixer (30) and the atmosphere.
10. a dry-mixed mortar device comprises the sub-material stirring system, it is characterized in that, described sub-material stirring system is each described sub-material stirring system in 9 according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220477052.4U CN202742532U (en) | 2012-09-18 | 2012-09-18 | Material distribution and stirring system and dry-mixed mortar device comprising system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220477052.4U CN202742532U (en) | 2012-09-18 | 2012-09-18 | Material distribution and stirring system and dry-mixed mortar device comprising system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202742532U true CN202742532U (en) | 2013-02-20 |
Family
ID=47701978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220477052.4U Expired - Lifetime CN202742532U (en) | 2012-09-18 | 2012-09-18 | Material distribution and stirring system and dry-mixed mortar device comprising system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202742532U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522422A (en) * | 2013-11-05 | 2014-01-22 | 无锡锡通工程机械有限公司 | Dry-mixed mortar micro-metering system |
| CN104985701A (en) * | 2015-07-21 | 2015-10-21 | 徐州徐工施维英机械有限公司 | Material proportioning system and concrete mixing station |
| CN107962677A (en) * | 2017-12-29 | 2018-04-27 | 绍兴明经科技有限公司 | A kind of gas balancing device and its control method for dry-mixed mortar hybrid system |
| CN114259934A (en) * | 2021-11-15 | 2022-04-01 | 湖南中联重科新材料科技有限公司 | Powder mixing dedusting method and system |
-
2012
- 2012-09-18 CN CN201220477052.4U patent/CN202742532U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103522422A (en) * | 2013-11-05 | 2014-01-22 | 无锡锡通工程机械有限公司 | Dry-mixed mortar micro-metering system |
| CN104985701A (en) * | 2015-07-21 | 2015-10-21 | 徐州徐工施维英机械有限公司 | Material proportioning system and concrete mixing station |
| CN107962677A (en) * | 2017-12-29 | 2018-04-27 | 绍兴明经科技有限公司 | A kind of gas balancing device and its control method for dry-mixed mortar hybrid system |
| CN114259934A (en) * | 2021-11-15 | 2022-04-01 | 湖南中联重科新材料科技有限公司 | Powder mixing dedusting method and system |
| CN114259934B (en) * | 2021-11-15 | 2022-09-13 | 湖南中联重科新材料科技有限公司 | Powder mixing dedusting method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202742532U (en) | Material distribution and stirring system and dry-mixed mortar device comprising system | |
| CN207209475U (en) | Simple And Practical dry ash is removed stage makeup and costume system | |
| CN106492547A (en) | Intelligent air purifier | |
| CN204219919U (en) | Annular tuyere deduster delivered by powder | |
| CN206652324U (en) | A kind of carbon black powders dust arrester | |
| CN103568130A (en) | Mixing station host system, mixing station comprising host system, and mixing equipment comprising host system | |
| CN205055661U (en) | Gas tank pulse -jet bag dust collector | |
| CN206083120U (en) | Grain ware is carried to chaff | |
| CN207522213U (en) | Surface treatment automatic production line air optimizing system | |
| CN205980143U (en) | Air regenerating device | |
| CN101306407A (en) | Secondary flow cyclone dust extractor | |
| CN210708124U (en) | Intelligent feeding equipment of activated carbon packaging machine | |
| CN209173015U (en) | A kind of perfume atmosphere device | |
| CN203123928U (en) | Fireproof material mixing device with dust removal function | |
| CN207025838U (en) | One kind is pneumatic to abandon light materials separation equipment admittedly | |
| CN207230842U (en) | A kind of integrated fresh air dehumidifying system | |
| CN206905873U (en) | Weightlessness balance feed supplement hopper dedusting exhaust apparatus | |
| CN107598667A (en) | Surface treatment automatic production line air optimizing system | |
| CN201720137U (en) | Cyclone dust collector with fresh air current | |
| CN205925217U (en) | Blast furnace gravitational dust collection diffuses filter equipment | |
| CN205939178U (en) | Sediment raise dust control system is arranged in paper industry sediment storehouse | |
| CN206778094U (en) | A kind of air cleaning unit | |
| CN205317007U (en) | Independent fume extractor on roller of roller kilns, under roller | |
| CN209306591U (en) | Powder cast feeder | |
| CN209410548U (en) | A kind of dedusting Unpacking applied in jumbo bag |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130220 |
|
| CX01 | Expiry of patent term |