CN203116548U - Charging opening cleaning machine for metallurgical furnace - Google Patents
Charging opening cleaning machine for metallurgical furnace Download PDFInfo
- Publication number
- CN203116548U CN203116548U CN2013200475711U CN201320047571U CN203116548U CN 203116548 U CN203116548 U CN 203116548U CN 2013200475711 U CN2013200475711 U CN 2013200475711U CN 201320047571 U CN201320047571 U CN 201320047571U CN 203116548 U CN203116548 U CN 203116548U
- Authority
- CN
- China
- Prior art keywords
- charge door
- cutter
- actuating device
- linear actuating
- metallurgical furnace
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a charging opening cleaning machine for a metallurgical furnace. The charging opening cleaning machine comprises a cutter, a linear driving device and a rotary driving device, wherein the linear driving device is connected with the cutter and drives the cutter to conduct reciprocating motion in the axial direction of a charging opening of the metallurgical furnace to clean slag on the wall of the charging opening, and the rotary driving device is connected with the linear driving device and drives the linear driving device to drive the cutter to conduct motion in the axial direction of the charging opening. The charging opening cleaning machine for the metallurgical furnace has the advantages of being time-saving, labor-saving, good in cleaning effect and the like.
Description
Technical field
The utility model relates to field of metallurgy, in particular to a kind of charge door descaling machine for metallurgical furnace.
Background technology
In metallurgical industry, the charge door of metallurgical furnace is formed dry slag and material easily, causes charge door to stop up easily as untimely cleaning.At present, the slag of charge door not only waste time and energy, and cleaning performance is undesirable by cleaning manually.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, a purpose of the present utility model is to propose a kind of time saving and energy saving, charge door descaling machine that is used for metallurgical furnace that cleaning effect is good.
For achieving the above object, the utility model proposes a kind of charge door descaling machine for metallurgical furnace, described charge door descaling machine for metallurgical furnace comprises: cutter; Linear actuating device, described linear actuating device link to each other with described cutter and drive described cutter and axially move back and forth to clear up slag on the wall of described charge door along the charge door of described metallurgical furnace; And rotating driving device, described rotating driving device links to each other with described linear actuating device and drives described linear actuating device and drives described cutter along the circumferential movement of described charge door.
Pass through to arrange the described linear actuating device that links to each other with described cutter and the described rotating driving device that links to each other with described linear actuating device according to the charge door descaling machine for metallurgical furnace of the present utility model, can utilize described linear actuating device to drive described cutter along axially the moving back and forth with along the slag on the wall of the described charge door of axial cleaning of described charge door of described charge door, and can utilize described rotating driving device drive described linear actuating device drive described cutter along the circumferential movement of described charge door with along the slag on the wall of the described charge door of circumferential cleaning of described charge door.Not only can utilize described charge door descaling machine to replace traditional cleaning manually thus, to reduce workload, to improve cleaning efficiency, and described charge door descaling machine can carry out 360 degree, not have the cleaning at dead angle described charge door, be that slag on the axial and circumferential of described charge door all can obtain cleaning, thereby can improve the cleaning effect to described charge door.Therefore, have advantages such as time saving and energy saving, that cleaning effect is good according to the charge door descaling machine for metallurgical furnace of the present utility model.
In addition, also have following additional technical feature according to the charge door descaling machine for metallurgical furnace of the present utility model:
Described linear actuating device comprises: push rod, and described cutter links to each other with described push rod; And hydraulic cylinder, described hydraulic cylinder links to each other to drive described push rod and drives described cutter axially moving back and forth along the charge door of described metallurgical furnace with described push rod.Can utilize thus described linear actuating device drive described cutter along the charge door of described metallurgical furnace axially move back and forth to clear up slag on the wall of described charge door, and described linear actuating device stable and reliable for performance, simple in structure, take up room little.
Described linear actuating device also comprises seal closure, and described hydraulic cylinder and described push rod are located in the described seal closure, and described cutter stretches out from described seal closure.Not only can make the outward appearance of described charge door descaling machine more neat thus, attractive in appearance, and can protect described hydraulic cylinder and described push rod, prevent foreign material and dust adhesion on described hydraulic cylinder and described push rod and influence the performance of described linear actuating device.
Described rotating driving device comprises: motor; Driven wheel, described driven wheel links to each other with described motor; And driven gear, the engagement of described driven gear and described driven wheel, described driven gear is installed on the described linear actuating device and described driven gear arranges prejudicially with respect to the longitudinal center line of described cutter.Can utilize described rotating driving device to drive described linear actuating device thus and drive described cutter along the circumferential movement of described charge door, and described rotating driving device is stable and reliable for performance, simple in structure.
Described rotating driving device also comprises reductor, and described motor links to each other with described driven wheel by described reductor.Can more accurately control the displacement that described cutter made progress in the week of described charge door like this, with the cleaning effect of the described charge door descaling machine of further raising.
Described cutter comprises cutter head and knife bar, and an end of described knife bar links to each other with described cutter head and the other end links to each other with described linear actuating device.Can make described charge door descaling machine be applicable to the described charge door that cleaning is darker thus.
Described cutter head is wedge shape, and the two ends of described knife bar link to each other with described cutter head with described linear actuating device by bolt respectively.So not only can improve described cutter head to the cleaning effect of described charge door, and can change described cutter head easily.
Described cutter is made by steel alloy.The cleaning that can keep described charge door so constantly
Described charge door descaling machine for metallurgical furnace also comprises controller, and described controller links to each other with described rotating driving device with described linear actuating device respectively and controls described linear actuating device and described rotating driving device respectively.Can improve the automaticity of described charge door descaling machine thus with further minimizing workload.
Described charge door descaling machine for metallurgical furnace also comprises translation driving device, and described translation driving device links to each other with described linear actuating device to drive described rotating driving device, described linear actuating device and described cutter along the radial translation of described charge door with described rotating driving device.Can more easily described cutter be adjusted on the wall of described charge door like this.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is according to the charge door descaling machine that is used for metallurgical furnace of the utility model embodiment and the structural representation of metallurgical furnace.
Charge door 10, cutter 100, cutter head 110, knife bar 120, linear actuating device 200, push rod 210, hydraulic cylinder 220, Hydraulic Station hydraulic fluid port 221, control valve hydraulic fluid port 222, seal closure 230, rotating driving device 300, motor 310, driven wheel 320, driven gear 330, reductor 340.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, only be used for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center "; " vertically "; " laterally "; " on "; D score; " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", close the orientation of indications such as " outward " or position is based on orientation shown in the drawings or position relation, only be the utility model and simplification description for convenience of description, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the present utility model, need to prove that unless clear and definite regulation and restriction are arranged in addition, term " installation ", " linking to each other ", " connection " should be done broad understanding, for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete implication of above-mentioned term in the utility model.
Below with reference to the charge door descaling machine that be used for metallurgical furnace of Fig. 1 description according to the utility model embodiment.As shown in Figure 1, the charge door descaling machine that is used for metallurgical furnace according to the utility model embodiment comprises cutter 100, linear actuating device 200 and rotating driving device 300.
Linear actuating device 200 links to each other with cutter 100, and linear actuating device 200 is used for driving cutter 100 and axially moves back and forth to clear up slag on the wall of charge door 10 (charge door 10 axially shown in the arrow A of Fig. 1) along the charge door 10 of metallurgical furnace.Rotating driving device 300 links to each other with linear actuating device 200, and rotating driving device 300 drives linear actuating device 200 and drives cutter 100 along the circumferential movement of charge door 10.The cross section of charge door 10 is circular, charge door 10 circumferentially be circular cross section circumferentially.
Below with reference to the course of work of Fig. 1 description according to the charge door descaling machine that is used for metallurgical furnace of the utility model embodiment.Cutter 100 is adjusted on the wall of charge door 10, makes cutter 100 be close to the wall of charge door 10.Linear actuating device 200 driving cutters 100 move back and forth once along the axial direction of charge door 10, be that linear actuating device 200 drives cutters 100 drive cutter 100 is got back to charge door 10 from the other end of charge door 10 a end again after an end of charge door 10 moves to the other end, cutter 100 is rooted out the slag on the wall of the charge door 10 of approach in the process that moves back and forth, and finishes scarfing cinder action.Rotating driving device 300 drives linear actuating device 200 so that linear actuating device 200 drives cutter 100 circumferentially turning an angle along charge door 10 then, linear actuating device 200 drives cutter 100 again and moves back and forth once, and namely cutter 100 carries out scarfing cinder action again.So the slag on the wall of charge door 10 all can be rooted out after one week of circumferential movement of charge door 10 at the driving bottom tool 100 of rotating driving device 300, thereby be finished cleaning to charge door 10.
The charge door descaling machine that is used for metallurgical furnace according to the utility model embodiment passes through to arrange the linear actuating device 200 that links to each other with cutter 100 and the rotating driving device 300 that links to each other with linear actuating device 200, can utilize linear actuating device 200 to drive cutters 100 along axially the moving back and forth with along the slag on the wall of the axial cleaning charge door 10 of charge door 10 of charge door 10, and can utilize rotating driving device 300 drive linear actuating devices 200 drive cutters 100 along the circumferential movement of charge door 10 with along the slag on the wall of the circumferential cleaning charge door 10 of charge door 10.Not only can utilize described charge door descaling machine to replace traditional cleaning manually thus, to reduce workload, to improve cleaning efficiency, and described charge door descaling machine can carry out 360 degree, not have the cleaning at dead angle charge door 10, be that slag on the axial and circumferential of charge door 10 all can obtain cleaning, thereby can improve the cleaning effect to charge door 10.Therefore, the charge door descaling machine that is used for metallurgical furnace according to the utility model embodiment has advantages such as time saving and energy saving, that cleaning effect is good.
Wherein, cutter 100 can be made by steel alloy.Can improve the heat-resisting quantity of cutter 100 thus to prevent that cutter 100 is by high temperature melt.Can when ordinary production, utilize described charge door descaling machine that charge door 10 is cleared up to keep the cleaning of charge door 10 constantly like this.
Particularly, as shown in Figure 1, cutter 100 can comprise cutter head 110 and knife bar 120, and an end of knife bar 120 can link to each other with cutter head 110 and the other end of knife bar 120 can link to each other with linear actuating device 200.Linear actuating device 200 drives slag on the wall that cutter heads 110 move to utilize cutter head 110 to root out charge door 10 by driving knife bar 120.Can utilize knife bar 120 to increase cutter head 110 thus and stretch into the degree of depth of charge door 10, thereby can make described charge door descaling machine be applicable to the darker charge door of cleaning 10.
Alternatively, cutter head 110 can be wedge shape, and the two ends of knife bar 120 can link to each other with cutter head 110 with linear actuating device 200 by bolt respectively.So not only can improve the cleaning effect of 110 pairs of charge doors 10 of cutter head, and cutter head 110 is convenient with the installation and removal of linear actuating device 200 with knife bar 120 and knife bar 120, thereby can changes cutter head 110 easily.
Fig. 1 shows the charge door descaling machine that is used for metallurgical furnace according to a specific embodiment of the utility model.As shown in Figure 1, linear actuating device 200 can comprise push rod 210 and hydraulic cylinder 220.Cutter 100 can link to each other with push rod 210.Hydraulic cylinder 220 can link to each other with push rod 210 and drive cutters 100 axially moving back and forth along the charge door 10 of metallurgical furnace to drive push rod 210.Can utilize thus linear actuating device 200 drive cutters 100 along the charge door 10 of metallurgical furnace axially move back and forth to clear up slag on the wall of charge door 10, and linear actuating device 200 stable and reliable for performance, simple in structure, take up room little.
Wherein, as shown in Figure 1, can be provided with Hydraulic Station hydraulic fluid port 221 and control valve hydraulic fluid port 222 on the hydraulic cylinder 220, Hydraulic Station hydraulic fluid port 221 can link to each other with Hydraulic Station, and control valve hydraulic fluid port 222 can link to each other with control valve.
Advantageously, as shown in Figure 1, linear actuating device 200 can also comprise seal closure 230, and hydraulic cylinder 220 and push rod 210 can be located in the seal closure 230, and cutter 100 can stretch out from seal closure 230.Not only can make the outward appearance of described charge door descaling machine more neat thus, attractive in appearance; and can utilize seal closure 230 protection hydraulic cylinder 220 and push rods 210, prevent foreign material and dust adhesion on hydraulic cylinder 220 and push rod 210 and influence the performance of linear actuating device 200.
Fig. 1 shows the charge door descaling machine that is used for metallurgical furnace according to a concrete example of the utility model.As shown in Figure 1, rotating driving device 300 can comprise motor 310, driven wheel 320 and driven gear 330.Driven wheel 320 can link to each other with motor 310, so that motor 310 drives driven wheel 320 rotations when starting.Driven gear 330 can mesh with driven wheel 320, and driven gear 330 can be installed on the linear actuating device 200 and driven gear 330 can arrange prejudicially with respect to the longitudinal center line of cutter 100.In other words, the longitudinal center line of cutter 100 does not overlap with the longitudinal center line of driven gear 330.Can utilize rotating driving device 300 to drive linear actuating device 200 thus and drive cutter 100 along the circumferential movement of charge door 10, and rotating driving device 300 is stable and reliable for performance, simple in structure.
Alternatively, as shown in Figure 1, rotating driving device 300 can also comprise reductor 340, and motor 310 can link to each other with driven wheel 320 by reductor 340.Can utilize reductor 340 that the winding number of motor 310 is adjusted to the winding number that needs thus, namely can control the anglec of rotation of driven wheel 320, thereby can control the displacement that cutters 100 made progress in the week of charge door 10 by driven gear 330 and linear actuating device 200.Can more accurately control cutter 100 like this in the displacement that makes progress in the week of charge door 10 so that all parts that make progress in the week of charge door 10 all obtain cleaning, namely can further improve the cleaning effect of described charge door descaling machine.
In according to an embodiment of the present utility model, described charge door descaling machine for metallurgical furnace can also comprise the controller (not shown), described controller can link to each other with rotating driving device 300 with linear actuating device 200 respectively, and described controller is used for controlling respectively linear actuating device 200 and rotating driving device 300.Particularly, described controller can be controlled the anglec of rotation of start and stop of motor 310 and the start and stop of hydraulic cylinder 220.For example, described controller can be earlier sends the signal of telecommunication to hydraulic cylinder 220 and drives cutters 100 with control hydraulic cylinder 220 by push rod 210 and do once linear and move back and forth, and namely can drive cutter 100 and do scarfing cinder action.Described controller control hydraulic cylinder 220 stops and sending the signal of telecommunication to motor 310 rotating to an angle with control motor 310 then, motor 310 drives cutters 100 after circumferentially the moving a certain distance of charge door 10 by driven wheel 320, driven gear 330 and linear actuating device 200, described controller control motor 310 stops and sending the signal of telecommunication to hydraulic cylinder 220 again, drive cutter 100 with control hydraulic cylinder 220 and carry out scarfing cinder action again, so repeatedly.Like this can be by setting described controller so that described charge door descaling machine charge door 10 is cleared up automatically, thereby the automaticity that can improve described charge door descaling machine is with further minimizing workload.
Certainly, also can select manually to control described charge door descaling machine according to different actual needs clears up charge door 10.
Advantageously, described charge door descaling machine for metallurgical furnace can also comprise the translation driving device (not shown), and described translation driving device can link to each other to drive rotating driving device 300, linear actuating device 200 and cutter 100 along the radial translation of charge door 10 with rotating driving device 300 with linear actuating device 200.Can drive cutter 100 along the radial translation of charge door 10 by described translation driving device like this, thereby can more easily cutter 100 be adjusted on the wall of charge door 10.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. a charge door descaling machine that is used for metallurgical furnace is characterized in that, comprising:
Cutter;
Linear actuating device, described linear actuating device link to each other with described cutter and drive described cutter and axially move back and forth to clear up slag on the wall of described charge door along the charge door of described metallurgical furnace; With
Rotating driving device, described rotating driving device link to each other with described linear actuating device and drive described linear actuating device and drive described cutter along the circumferential movement of described charge door.
2. the charge door descaling machine for metallurgical furnace according to claim 1 is characterized in that described linear actuating device comprises:
Push rod, described cutter links to each other with described push rod; With
Hydraulic cylinder, described hydraulic cylinder link to each other to drive described push rod and drive described cutter axially moving back and forth along the charge door of described metallurgical furnace with described push rod.
3. the charge door descaling machine for metallurgical furnace according to claim 2 is characterized in that described linear actuating device also comprises seal closure, and described hydraulic cylinder and described push rod are located in the described seal closure, and described cutter stretches out from described seal closure.
4. the charge door descaling machine for metallurgical furnace according to claim 1 is characterized in that described rotating driving device comprises:
Motor;
Driven wheel, described driven wheel links to each other with described motor; With
Driven gear, the engagement of described driven gear and described driven wheel, described driven gear is installed on the described linear actuating device and described driven gear arranges prejudicially with respect to the longitudinal center line of described cutter.
5. the charge door descaling machine for metallurgical furnace according to claim 4 is characterized in that described rotating driving device also comprises reductor, and described motor links to each other with described driven wheel by described reductor.
6. the charge door descaling machine for metallurgical furnace according to claim 1 is characterized in that described cutter comprises cutter head and knife bar, and an end of described knife bar links to each other with described cutter head and the other end links to each other with described linear actuating device.
7. the charge door descaling machine for metallurgical furnace according to claim 6 is characterized in that, described cutter head is wedge shape, and the two ends of described knife bar link to each other with described cutter head with described linear actuating device by bolt respectively.
8. the charge door descaling machine for metallurgical furnace according to claim 1 is characterized in that described cutter is made by steel alloy.
9. the charge door descaling machine for metallurgical furnace according to claim 1, it is characterized in that, also comprise controller, described controller links to each other with described rotating driving device with described linear actuating device respectively and controls described linear actuating device and described rotating driving device respectively.
10. the charge door descaling machine for metallurgical furnace according to claim 1, it is characterized in that, also comprise translation driving device, described translation driving device links to each other with described linear actuating device to drive described rotating driving device, described linear actuating device and described cutter along the radial translation of described charge door with described rotating driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200475711U CN203116548U (en) | 2013-01-28 | 2013-01-28 | Charging opening cleaning machine for metallurgical furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200475711U CN203116548U (en) | 2013-01-28 | 2013-01-28 | Charging opening cleaning machine for metallurgical furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203116548U true CN203116548U (en) | 2013-08-07 |
Family
ID=48896884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200475711U Withdrawn - After Issue CN203116548U (en) | 2013-01-28 | 2013-01-28 | Charging opening cleaning machine for metallurgical furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203116548U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063052A (en) * | 2013-01-28 | 2013-04-24 | 中国恩菲工程技术有限公司 | charging door cleaner for metallurgical furnace |
| CN106679444A (en) * | 2016-12-28 | 2017-05-17 | 中南大学 | Device for automatically clearing feeding opening of bottom-blowing furnace |
-
2013
- 2013-01-28 CN CN2013200475711U patent/CN203116548U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103063052A (en) * | 2013-01-28 | 2013-04-24 | 中国恩菲工程技术有限公司 | charging door cleaner for metallurgical furnace |
| CN103063052B (en) * | 2013-01-28 | 2014-11-26 | 中国恩菲工程技术有限公司 | charging door cleaner for metallurgical furnace |
| CN106679444A (en) * | 2016-12-28 | 2017-05-17 | 中南大学 | Device for automatically clearing feeding opening of bottom-blowing furnace |
| CN106679444B (en) * | 2016-12-28 | 2018-08-10 | 中南大学 | A kind of bottom convertor charge door automatic cleaning apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205020977U (en) | Connecting pipe internal thread automatic tapping machine lives | |
| CN107030772B (en) | A kind of paper tube cutting machine with automatic changing blade function | |
| CN103063052B (en) | charging door cleaner for metallurgical furnace | |
| CN203116548U (en) | Charging opening cleaning machine for metallurgical furnace | |
| CN103212549B (en) | Full-automatic blind hole sweeper | |
| CN207494686U (en) | A kind of cutting equipment for intelligent workshop based on Internet of Things | |
| CN103100612B (en) | Tin wire cutting machine controllable in tin amount | |
| CN203197209U (en) | Automatic sand filling device | |
| CN202480262U (en) | Curbstone chamfering machine | |
| CN204528569U (en) | A kind of full-automatic inverting device for intermediate channel welding | |
| CN202169298U (en) | C-shaped hook machining device | |
| CN209206585U (en) | A kind of new type steel shearing equipment | |
| CN201228976Y (en) | Hydraulic transmission slag tapping machine | |
| CN205009234U (en) | Special manipulator of cast material material loading | |
| CN105619587A (en) | Degassing, cover closing and scraping integrated machine for automatically producing magnesite bricks | |
| CN203649096U (en) | Hardware tool discharge device and feed equipment special for hardware tool discharge device | |
| CN101294711A (en) | Hydraulic transmission slag tapping method and slag tapping machine | |
| CN203868476U (en) | Material door remote control device | |
| CN111286571A (en) | One-key type automatic tap hole opening machine | |
| CN216970715U (en) | Clear stifled device in cement silo | |
| CN104874674A (en) | Full-automatic numerical control single-edge-wrapped steel structure forming machine | |
| CN104723514A (en) | Automatic water gap milling mechanism | |
| CN211725159U (en) | Reciprocating rotation device for fog gun | |
| CN204459400U (en) | There is the final controlling element of infeed stroke | |
| CN203877071U (en) | Barrel-contained waste oil barrel breaking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130807 Effective date of abandoning: 20141126 |
|
| RGAV | Abandon patent right to avoid regrant |