CN201694756U - Ladle lifting device driven by hydraulic cylinder - Google Patents
Ladle lifting device driven by hydraulic cylinder Download PDFInfo
- Publication number
- CN201694756U CN201694756U CN2010202474353U CN201020247435U CN201694756U CN 201694756 U CN201694756 U CN 201694756U CN 2010202474353 U CN2010202474353 U CN 2010202474353U CN 201020247435 U CN201020247435 U CN 201020247435U CN 201694756 U CN201694756 U CN 201694756U
- Authority
- CN
- China
- Prior art keywords
- ladle
- lifting
- actuating cylinder
- hydraulic actuating
- frame
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
- B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
- B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/34—Crane hooks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model relates to a ladle lifting device driven by a hydraulic cylinder, which comprises a lifting frame, a lifting and hanging hook device, hydraulic cylinders, a guide frame and a mounting support. The lifting frame consists of a frame body and guide wheels, the lifting and hanging hook device is hinged with the central parts of the cross beams on the two sides of the frame body, and the guide wheels are arranged at the two ends of each cross beam of the frame body. The lifting hook in the lifting and hanging hook device is a plate hook that is formed by superposing a plurality of layers of steel plates and rotatably connected with the cross beams of the frame body through pin shafts, and the hanging hook in the lifting and hanging hook device is rotatably hinged with the lifting hook to achieve the connection or disconnection of the lifting hook and a ladle lug. The number of the hydraulic cylinders is four, and one end of each hydraulic cylinder is connected with the mounting support and the other end thereof is hinged with one end of the corresponding cross beam of the lifting frame. The utility model has the advantages of simple equipment structure, safe and reliable operation, low manufacturing cost and the like. The ladle is lifted stably and the lifting speed is adjusted conveniently. The lifting operation of the ladle can be achieved in case of power failure. The hydraulic cylinders are mounted or dismounted conveniently.
Description
Technical field
The utility model belongs to metallurgical special-purpose machinery, particularly a kind of ladle hydraulic bont of hydraulic actuating cylinder jacking.
Background technology
The RH equipment for vacuum refining is when carrying out the liquid steel refining processing, and dip pipe need insert the molten steel that is contained in the ladle.After processing finished, dip pipe will be separated from molten steel and ladle.Need the relative motion of certain distance between ladle and dip pipe.At present, RH equipment for vacuum refining great majority adopt the ladle jacking apparatus to carry out ladle jacking and decline.When handling, the ladle on the buggy ladle makes progress ladle and handles after the jack-up by being installed in the hydraulic jacking device of handling the below, position.After processing finished, hydraulic jacking device descended, and ladle is drop on the ladle chassis.
Common ladle Lifting Equipment, its shortcoming are to handle the dell that digs an erecting equipment under the position at each; The ladle chassis must rest on and handle the position when carrying out RH vacuum refining processing, has therefore restricted process for making layout and ladle turnover; Because the ladle jacking apparatus is installed in the dell of handling the below, position, may damage equipment when the bleed-out accident occurring.The hydraulic jacking device complex structure of this ladle, the cost height, maintenance, maintenance difficulty have potential safety hazard.
China Patent No. 200920208445.3 provides a kind of ladle hydraulic bont, and it has solved some shortcomings that the ladle Lifting Equipment exists.But this ladle hydraulic bont exists and promotes hydraulic actuating cylinder installing/dismounting difficulty, and promoting hydraulic actuating cylinder has certain setting height(from bottom) requirement, needs the problems such as height of increase equipment steel structure.
The utility model content
At above problem, task of the present utility model provides a kind of ladle lifting device of improved hydraulic actuating cylinder jacking, it has overcome above-mentioned existing in prior technology shortcoming, has solved the problem of hydraulic actuating cylinder installing/dismounting, and does not need to increase the height of equipment steel structure.
Technical solution of the present utility model is as follows:
A kind of ladle lifting device of hydraulic actuating cylinder jacking comprises lift frame, suspension hook and hooking device, hydraulic actuating cylinder, guide frame and erection support;
Described lift frame is made up of frame body and track adjusting wheel, the crossbeam hinged suspension hook of central authorities and the hooking device of frame body both sides, and track adjusting wheel also is equipped with at the two ends of frame body crossbeam;
Suspension hook in described suspension hook and the hooking device is folded mutually and constitute plate hook by multilayer steel plates, realizes rotating the connection by bearing pin and the crossbeam of lift frame, hooking device wherein rotationally with hinged the combining and disengagement of suspension hook with realization suspension hook and ladle gudgeon;
The quantity of described hydraulic actuating cylinder is four, and an end of each hydraulic actuating cylinder is connected with erection support, and the other end of each hydraulic actuating cylinder and the crossbeam of lift frame one end are hinged;
The quantity of described erection support is four, is installed in respectively on the basis, ground;
Described guide frame is installed on the fixing steel structure, and the track adjusting wheel on the lift frame is along the guide frame up-and-down movement.
Described ladle lifting device comprises that also several are installed in the heat insulation protective device that is subject to red-hot molten steel baking position in the ladle.
Described heat insulation protective device is made up of steel plate and thermal insulation material.
Hooking device in described suspension hook and the hooking device is an automatic coupling mechanism, is installed on the crossbeam of lift frame.
Described erection support comprises supporting base and is connected pivot pin that the quantity of supporting base is four, is equipped with on each supporting base with hydraulic actuating cylinder one end pivotally attached to be connected pivot pin.
The ladle lifting device of hydraulic actuating cylinder jacking of the present utility model compared with prior art has the following advantages and useful effect:
The ladle lifting device of this hydraulic actuating cylinder jacking has simple in structure, practical, safe and reliable to operation, and cost is low, and installing/dismounting is simple, does not influence the advantages such as design of equipment steel structure.Can realize the easy motion of ladle lifting, speed is easy to adjust, also can realize the ladle descending operation during power outage.
Adopt the ladle lifting device of hydraulic actuating cylinder jacking of the present utility model, buggy ladle can move when molten steel carries out RH vacuum refining processing, can realize the complete line model of converter tapping track, can omit the turnover of ladle chassis and wait for the handling time, save the large-scale vehicling operation rate that converter tapping is striden greatly, improve steelworks production efficiency.In addition, can build dell, reduce the earthwork amount.Handling the below, position does not have equipment, is convenient to settlement of accident, reduces potential safety hazard.The hydraulic actuating cylinder Assembly ﹠Disassembly is comparatively convenient, does not also need to increase the height of equipment steel structure.
Description of drawings
Fig. 1 is the structural representation of the ladle lifting device of a kind of hydraulic actuating cylinder jacking of the present utility model.
Fig. 2 is the front view of the ladle lifting device embodiment of hydraulic actuating cylinder jacking of the present utility model.
Mark among the figure:
1 is lift frame, and 101 is frame body, and 102 is track adjusting wheel; 2 is suspension hook and hooking device, and 201 is plate hook, and 202 is automatic coupling mechanism; 3 is erection support; 4 is hydraulic actuating cylinder, and 401 is hydraulic actuating cylinder; 5 is guide frame; 6 is heat insulation protective device.
The specific embodiment
Below in conjunction with accompanying drawing and by a preferred embodiment the utility model is further described.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of ladle lifting device of hydraulic actuating cylinder jacking, and it mainly is made up of lift frame 1, suspension hook and hooking device 2, hydraulic actuating cylinder 4, guide frame 5 and erection support 3.
Suspension hook in suspension hook and the hooking device 2 is folded mutually by multilayer steel plates and is constituted plate hook 201, and suspension hook is connected by the crossbeam of bearing pin with lift frame 1, and can rotate; Hooking device and suspension hook are hinged, are used to rotate suspension hook, to realize combining and disengagement of suspension hook and ladle gudgeon.As shown in Figure 2, hooking device is an automatic coupling mechanism 202, is installed on the crossbeam of frame body 101, and an end and the plate hook 201 of automatic coupling mechanism 202 are hinged.
The quantity of hydraulic actuating cylinder 4 is four, is made up of four hydraulic actuating cylinders 401 and a cover Hydraulic Station (not shown).One end of each hydraulic actuating cylinder 401 is fixed on the erection support 3, and crossbeam one end of the other end of each hydraulic actuating cylinder 401 and frame body 101 is hinged.
The quantity of erection support 3 is four, is installed in respectively on the mill floor basis, is used for fixing an end of jacking hydraulic actuating cylinder 401.Erection support 3 by supporting base be connected pivot pin and form, the quantity of supporting base is four, and the connection pivot pin is housed on each supporting base, it is hinged to connect pivot pin and hydraulic actuating cylinder 401 1 ends.
Ladle lifting device of the present utility model also is equipped with several heat insulation protective devices 6, and heat insulation protective device 6 is made up of steel plate and thermal insulation material.Several heat insulation protective devices 6 are installed in the position that the ladle lifting device is subject to red-hot molten steel baking in the ladle, can play a protective role.
The lifting and the decline of ladle when the ladle lifting device of hydraulic actuating cylinder jacking of the present utility model is used for being implemented in RH vacuum refining processing, its working process is as follows:
1, fill prepare to handle molten steel ladle by the buggy ladle carrying to handling the position, be arranged in the hydraulic lifting apparatus use hooking device of handling buggy ladle top, position, the suspension hook on the hydraulic lifting apparatus is connected with the ladle gudgeon.
2, the lifting hydraulic actuating cylinder that is contained on the hydraulic lifting apparatus framework moves, the piston rod elongation, and the hydraulic lifting apparatus upward movement at this moment, fills and prepares to handle the ladle of molten steel by upwards lifting of the suspension hook on the hydraulic lifting apparatus.
3, ladle upwards promotes with hydraulic lifting apparatus, constantly near the dip pipe on the RH equipment for vacuum refining vacuum tank; After arriving assigned address, the hydraulic actuating cylinder stop motion.At this moment, the dip pipe on the RH equipment for vacuum refining vacuum tank enters the molten steel certain depth, begins the RH vacuum refining then and handles.
4, in RH vacuum refining treating process, can adjust ladle and dip pipe relative position by the rising and the down maneuver of hydraulic actuating cylinder according to the fluctuation of liquid steel level in the ladle.
5, through after a while, after the RH vacuum refining disposed, hydraulic cylinder piston rod fell, and ladle falls with hydraulic lifting apparatus, until ladle is placed on the buggy ladle, promoted the hydraulic actuating cylinder stop motion.Hooking device is thrown off suspension hook on the hydraulic lifting apparatus and ladle gudgeon, and buggy ladle carrying this moment molten steel after treatment leaves the processing station.So far finish a RH vacuum refining cycle.
In sum, the ladle lifting device of hydraulic actuating cylinder jacking of the present utility model has advantages such as device structure is simple, safe and reliable to operation, cost is low, moves steadily during the ladle lifting, and speed is easy to adjust, also can realize the ladle lifting during power outage.
Adopt ladle lifting device of the present utility model, can reduce the potential safety hazard in RH vacuum refining zone, save RH vacuum refining activity time simultaneously; Improve the technology arrangement alerting ability of RH equipment for vacuum refining and steelshop; Avoid building darker hole, reduce earthwork.The hydraulic actuating cylinder installing/dismounting is comparatively convenient, does not also need to increase the height of equipment steel structure.
Certainly, those skilled in the art in the present technique field will be appreciated that, the foregoing description only is to be used for illustrating the utility model, and be not with opposing qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claim conversion, the modification of the foregoing description.
Claims (5)
1. the ladle lifting device of a hydraulic actuating cylinder jacking comprises lift frame, suspension hook and hooking device, hydraulic actuating cylinder, guide frame and erection support;
Described lift frame is made up of frame body and track adjusting wheel, the crossbeam hinged suspension hook of central authorities and the hooking device of frame body both sides, and track adjusting wheel also is equipped with at the two ends of frame body crossbeam;
Suspension hook in described suspension hook and the hooking device is folded mutually and constitute plate hook by multilayer steel plates, realizes rotating the connection by bearing pin and the crossbeam of lift frame, hooking device wherein rotationally with hinged the combining and disengagement of suspension hook with realization suspension hook and ladle gudgeon;
The quantity of described hydraulic actuating cylinder is four, and an end of each hydraulic actuating cylinder is connected with erection support, and the other end of each hydraulic actuating cylinder and the crossbeam of lift frame one end are hinged;
The quantity of described erection support is four, is installed in respectively on the basis, ground;
Described guide frame is installed on the fixing steel structure, and the track adjusting wheel on the lift frame is along the guide frame up-and-down movement.
2. the ladle lifting device of hydraulic actuating cylinder jacking according to claim 1 is characterized in that, described ladle lifting device comprises that also several are installed in the heat insulation protective device that is subject to red-hot molten steel baking position in the ladle.
3. the ladle lifting device of hydraulic actuating cylinder jacking according to claim 2 is characterized in that, described heat insulation protective device is made up of steel plate and thermal insulation material.
4. the ladle lifting device of hydraulic actuating cylinder jacking according to claim 1 is characterized in that the hooking device in described suspension hook and the hooking device is an automatic coupling mechanism, is installed on the crossbeam of lift frame.
5. the ladle lifting device of hydraulic actuating cylinder jacking according to claim 1 is characterized in that, described erection support comprises supporting base and be connected pivot pin that the quantity of supporting base is four, is equipped with on each supporting base with hydraulic actuating cylinder one end pivotally attached to be connected pivot pin.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202474353U CN201694756U (en) | 2010-07-01 | 2010-07-01 | Ladle lifting device driven by hydraulic cylinder |
| PCT/CN2010/076322 WO2012000218A1 (en) | 2010-07-01 | 2010-08-25 | Ladle lifting device lifted by hydraulic cylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202474353U CN201694756U (en) | 2010-07-01 | 2010-07-01 | Ladle lifting device driven by hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201694756U true CN201694756U (en) | 2011-01-05 |
Family
ID=43395998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202474353U Expired - Lifetime CN201694756U (en) | 2010-07-01 | 2010-07-01 | Ladle lifting device driven by hydraulic cylinder |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN201694756U (en) |
| WO (1) | WO2012000218A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229401A (en) * | 2011-05-27 | 2011-11-02 | 山西东华机械有限公司 | Maintenance of underground overhead crane support |
| CN102249156A (en) * | 2011-05-27 | 2011-11-23 | 山西东华机械有限公司 | Underground maintenance travelling crane |
| CN104210958A (en) * | 2014-08-18 | 2014-12-17 | 中冶赛迪上海工程技术有限公司 | RH steel ladle vehicle-mounted lifting method and device |
| CN104249976A (en) * | 2014-09-15 | 2014-12-31 | 太仓市金达机械厂 | Novel cross beam levelness regulating device |
| CN105253826A (en) * | 2015-10-19 | 2016-01-20 | 平湖市当湖街道飞天人机械图文设计服务部 | Height-adjustable factory equipment mounting rack convenient to place and move |
| CN105253806A (en) * | 2015-10-19 | 2016-01-20 | 平湖市当湖街道飞天人机械图文设计服务部 | Supporting frame with height convenient to adjust for construction site |
| CN105905814A (en) * | 2016-06-29 | 2016-08-31 | 中冶南方工程技术有限公司 | Water-cooling bend movable sealing device used for RH refining system |
| CN108285090A (en) * | 2018-03-14 | 2018-07-17 | 福能科技江苏有限公司 | A kind of crucible lifting manipulator with guide function |
| WO2019010556A1 (en) * | 2017-07-10 | 2019-01-17 | Portocel – Terminal Especializado De Barra Do Riacho S.A. | Load-moving equipment |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013213718B3 (en) | 2013-07-12 | 2014-10-30 | Siemens Vai Metals Technologies Gmbh | Device for raising and lowering a ladle, installation with such a device and method |
| DE102013213716B4 (en) | 2013-07-12 | 2020-10-08 | Primetals Technologies Austria GmbH | Apparatus and method for lifting a pan |
| EP2921563A1 (en) | 2014-03-20 | 2015-09-23 | Siemens VAI Metals Technologies GmbH | Device for vertically raising and/or lowering a metallurgical container, assembly with such a device and method |
| EP3163240B1 (en) | 2015-10-27 | 2018-07-11 | Primetals Technologies Germany GmbH | Pan lifting device and method of vertically displacing a metal bath pan |
| CN105821729A (en) * | 2016-04-05 | 2016-08-03 | 上海同罡建筑工程有限公司 | Track board lifting device and method |
| EP3566795A1 (en) * | 2018-05-07 | 2019-11-13 | Primetals Technologies Germany GmbH | Lifting device for a metallurgical ladle and treatment device for liquid metal |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02122014A (en) * | 1988-10-31 | 1990-05-09 | Kawasaki Steel Corp | High efficient degassing apparatus |
| CN101451179B (en) * | 2008-12-25 | 2011-02-16 | 中冶南方工程技术有限公司 | RH ladle double jacking apparatus |
| CN101525680B (en) * | 2009-04-02 | 2010-10-13 | 宝钢工程技术集团有限公司 | Ladle lifting hydraulic system using vacuum circulation degassing method |
| CN201439481U (en) * | 2009-07-14 | 2010-04-21 | 武汉钢铁(集团)公司 | Steel ladle lifting device |
| CN201485193U (en) * | 2009-08-26 | 2010-05-26 | 上海宝钢工程技术有限公司 | Ladle hydraulic lifting device |
-
2010
- 2010-07-01 CN CN2010202474353U patent/CN201694756U/en not_active Expired - Lifetime
- 2010-08-25 WO PCT/CN2010/076322 patent/WO2012000218A1/en active Application Filing
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102229401A (en) * | 2011-05-27 | 2011-11-02 | 山西东华机械有限公司 | Maintenance of underground overhead crane support |
| CN102249156A (en) * | 2011-05-27 | 2011-11-23 | 山西东华机械有限公司 | Underground maintenance travelling crane |
| CN102249156B (en) * | 2011-05-27 | 2015-11-25 | 山西东华机械有限公司 | Underground maintenance travelling crane |
| CN102229401B (en) * | 2011-05-27 | 2015-12-16 | 山西东华机械有限公司 | Maintenance of underground overhead crane support |
| CN104210958A (en) * | 2014-08-18 | 2014-12-17 | 中冶赛迪上海工程技术有限公司 | RH steel ladle vehicle-mounted lifting method and device |
| CN104249976A (en) * | 2014-09-15 | 2014-12-31 | 太仓市金达机械厂 | Novel cross beam levelness regulating device |
| CN105253826A (en) * | 2015-10-19 | 2016-01-20 | 平湖市当湖街道飞天人机械图文设计服务部 | Height-adjustable factory equipment mounting rack convenient to place and move |
| CN105253806A (en) * | 2015-10-19 | 2016-01-20 | 平湖市当湖街道飞天人机械图文设计服务部 | Supporting frame with height convenient to adjust for construction site |
| CN105905814A (en) * | 2016-06-29 | 2016-08-31 | 中冶南方工程技术有限公司 | Water-cooling bend movable sealing device used for RH refining system |
| WO2019010556A1 (en) * | 2017-07-10 | 2019-01-17 | Portocel – Terminal Especializado De Barra Do Riacho S.A. | Load-moving equipment |
| US11427443B2 (en) | 2017-07-10 | 2022-08-30 | Portocel—Terminal Especializado De Barra Do Riacho S.A. | Load-moving equipment |
| CN108285090A (en) * | 2018-03-14 | 2018-07-17 | 福能科技江苏有限公司 | A kind of crucible lifting manipulator with guide function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012000218A1 (en) | 2012-01-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201694756U (en) | Ladle lifting device driven by hydraulic cylinder | |
| CN201485193U (en) | Ladle hydraulic lifting device | |
| CN101435268B (en) | Stretching device of case beam in case | |
| CN209578149U (en) | A kind of ladle tank mouth slag steel rapid cleaning device | |
| CN202298606U (en) | Descending frame for mounting reinforcement cage of pile foundation | |
| CN202861390U (en) | Three-dimensional mobile molten iron pouring trolley | |
| CN202358850U (en) | Light lift-type cantilever crane | |
| CN213380146U (en) | Bale revolving platform joint shaft and bearing replacement device | |
| CN101450766B (en) | Lifting installation method for ultralong workpiece and used fixture cross beam | |
| CN206955487U (en) | It is exclusively used in lifting steel pipes and the crane device of welding | |
| CN202643145U (en) | Hydraulic turn-over portal crane | |
| CN201895083U (en) | Hydraulic cart for changing carrier plates of trolley wheels | |
| CN102409120B (en) | Method for replacing bottom of blast furnace | |
| CN211191999U (en) | L type steel ladle car and ladle storage device | |
| CN201605281U (en) | Slippage trolley for trough cover plate of blast furnace | |
| CN204251646U (en) | Converter LF refining furnace bell changes device | |
| CN203501779U (en) | Auxiliary device for trolley replacement | |
| CN202224621U (en) | Device for controlling downwarping of intermediate tank | |
| CN202114247U (en) | Hydraulic lifting device for covering and uncovering of ladles | |
| CN202240339U (en) | Two-sided overturning jig frame | |
| CN205347455U (en) | Specialized tool who can quick replacement sediment handles rotary drum distributor | |
| CN212864665U (en) | Large coke pot overhauling device | |
| CN205442375U (en) | Ring beam device | |
| CN215160179U (en) | Novel dual-purpose lifting appliance for knockout and spanning crane | |
| CN204551265U (en) | A kind of frame type combination sky crane link |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
|
| CX01 | Expiry of patent term |