CN201209368Y - Water-proof structure - Google Patents
Water-proof structure Download PDFInfo
- Publication number
- CN201209368Y CN201209368Y CNU200820080534XU CN200820080534U CN201209368Y CN 201209368 Y CN201209368 Y CN 201209368Y CN U200820080534X U CNU200820080534X U CN U200820080534XU CN 200820080534 U CN200820080534 U CN 200820080534U CN 201209368 Y CN201209368 Y CN 201209368Y
- Authority
- CN
- China
- Prior art keywords
- wall
- framework
- layer
- packing layer
- waterproof construction
- 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 - Fee Related
Links
Images
Landscapes
- Building Environments (AREA)
Abstract
The utility model relates to a waterproof structure which comprises a wall body, a frame body, a packing layer, a finishing layer, a sealant layer and an elastic film coating layer, wherein the frame body is fixed on the wall body, and the packing layer is arranged between the frame body and the wall body; the finishing layer encloses parts of the wall body, the packing layer and the frame body, the sealant layer is arranged at a juncture of the finishing layer and the frame body and fully covers the seam of the finishing layer and the frame body, and the elastic film coating layer is arranged below the finishing layer and covers parts of the wall body, the packing layer and the frame body. When the waterproof structure of a window or a door is applied to practical use, such as in gales, the collision of the opening and the closeness of the window or the door, expansion caused by heat and contraction caused by cold, and the like, the elastic film coating layer can remain intact and be tightly bonded with the wall body and the frame body so as to effectively prevent water from leaking in the wall body or a room and enable the window or the door with the waterproof structure to have a superior waterproof effect.
Description
Technical field
The utility model relates to the waterproof technique in a kind of buildings waterproof field, particularly relates to a kind of waterproof construction that can effectively prevent sealing infiltration body of wall.
Background technology
Seeing also shown in Figure 1A and Figure 1B, is that the waterproof construction at door, window or curtain wall hole in the existing building constitutes schematic diagram.This waterproof construction mainly comprises: body of wall 10, packing layer 20, framework 30, finish coat 41,42 and sealant layer 50.Wherein body of wall 10 is the body of wall of building (then containing insulation layer if any insulation layer), be generally that cement is constructed or brick forming, as the supporter that supports door and window, on this body of wall 10, offer the cavity and be used to install door and window, so because the thickness of door and window generally all can form windowsill or door platform less than the thickness of body of wall 10 on this body of wall 10 after installing door and window.With the window is example, and outside window sill is exposed to outside the building, and when rainy, rainwater can flow on the outside window sill.In the prior art, framework 30 is an example with the door and window, doorframe or window frame (also can protect frame), and it is installed on the body of wall 10 by bolt or nail, is filled with packing layer 20 between framework 30 and body of wall 10, fills sealing.In the outside, also be provided with finish coat 41 body of wall 10 is coated the exterior wall surface that gets up to form building, the thickness of this finish coat 41 enough is surrounded the some of above-mentioned packing layer 20 and framework 30.Described sealant layer 50 is arranged at the seam crossing of this finish coat 41 and framework 30, seals thereby be used for this place seam covered fully, prevents that rainwater is along this seam infiltration.Body of wall be inboard, also be provided with finish coat 42, also be that the surface towards indoor with the some of above-mentioned packing layer 20 and framework 30 is surrounded.Figure 1B then seals with sealant layer 60 in framework and wall outer side.
The framework that metal, plastics, wooden or composite material etc. are made all is a high-strength material.Its body intensity at least more than 20Mpa, finish material (normally covering wall paint or mortar binding face tile behind the mortar plastering again) and packing layer material (normally blowing agent or ordinary mortar or antiseepage mortar or polystyrene or rock wool or glass wool etc.) usually a little less than.Above-mentioned waterproof construction has the better waterproof energy at the initial stage of finishing, but prolongation along with service time, strong wind, opening of doors and windows and close bump and actual application such as expand with heat and contract with cold in, cracking, distortion or displacement always take place at the weakness of door and window.At each position of joints of door and window hole, under the composite factor effects such as when strong wind, open and close, clashing into, expand with heat and contract with cold, at door and window hole and windowsill place, microcell cracking and distortion are inevitable, the crack appears in finish coat 41 surfaces, between framework 30 and the sealant layer 50, between framework 30 and the packing layer 20, seam crossing will ftracture between packing layer 20 and the body of wall 10, and among Figure 1B, cracking between sealant layer 60 and the body of wall 10.When running into when raining, seepage will take place again.See also shown in the arrow among Figure 1A and Figure 1B, rainwater can and infiltrate in the body of wall 10 from finish coat 41 infiltrations, also can infiltrate into the indoor along the slit between body of wall 10 and the packing layer 20.
This shows that above-mentioned existing waterproof construction obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that waterproof construction exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, design a kind of novel waterproof construction and manufacture method thereof, can improve general existing waterproof construction, make it have more practicality.
The utility model content
Main purpose of the present utility model is, overcome the defective that existing waterproof construction exists, and provide a kind of waterproof construction of new structure, technical problem to be solved be make that even strong wind takes place for it, difference variation is big and long-time when opening (door and window) and closing (door and window) institute such as bump cause the door and window hole microcell to be out of shape and also have water-proof function when ftractureing, thereby be suitable for practicality more.
The purpose of this utility model and solve its technical problem and realize by the following technical solutions.According to a kind of waterproof construction that the utility model proposes, it comprises: body of wall (then comprising insulation layer if any insulation layer); Framework (if any protect frame then comprise protect frame), be fixed on the above-mentioned body of wall; Packing layer is arranged between the above-mentioned framework and body of wall; Finish coat surrounds the part of above-mentioned body of wall, packing layer and framework; Sealant layer is arranged at the intersection of described finish coat and framework, and the seam of finish coat and framework is all covered; And elasticity is coated with rete, is arranged under the above-mentioned finish coat, and the part of body of wall, packing layer and framework is covered.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Preferably, aforesaid waterproof construction, the material that wherein said elasticity is coated with rete is: material modified or Ethylene Propylene Terpolymer water-repellent paint of polyureas, polyurethane, acrylic type water-proof coating, silicone water-repellent paint or its etc., and this elasticity is coated with the body hot strength of rete more than 4MPa; With and the elastic extension rate 300%; Film saturated water absorption less than 10%; Coating thickness is greater than 2 millimeters; Behind the curing of coating to the bonding peel strength of framework and body of wall more than 3N/mm.
Preferably, aforesaid waterproof construction, wherein said body of wall, framework and packing layer have outside and indoor respectively, and it is to be coated on the outside of body of wall, packing layer and a framework part that described elasticity is coated with rete.Elasticity be coated with rete be coated in window up and down around or its important bottom table top and two sides.
Preferably, aforesaid waterproof construction, wherein said framework is doorframe or window frame or curtain wall window frame (comprise and protect frame).
Preferably, aforesaid waterproof construction, the material of wherein said packing layer is: antiseepage mortar, blowing agent, rock wool, glass wool or polystyrene or ordinary mortar etc.
The purpose of this utility model and solve its technical problem and also adopt following technical scheme to realize.According to the manufacture method of a kind of waterproof construction that the utility model proposes, it may further comprise the steps:
Framework is installed on the body of wall, and between framework and body of wall, fills packing layer;
Surface-coated one elasticity in body of wall and framework is coated with rete, and this elasticity is coated with rete and simultaneously packing layer is covered;
The external surface that is coated with rete in above-mentioned elasticity is provided with finish coat, and this finish coat is coated with rete with above-mentioned elasticity and covers fully; And
Apply sealant layer at the seam crossing of this finish coat and framework, the seam of finish coat and framework is covered fully.
The purpose of this utility model and solve its technical problem and also can be applied to the following technical measures to achieve further.
Preferably, aforesaid waterproof construction, the material that wherein said elasticity is coated with rete is: material modified or Ethylene Propylene Terpolymer water-repellent paint of polyurea waterproof coating material, polyurethane water-proof paint, acrylic type water-proof coating, silicone water-repellent paint or its etc.
Preferably, aforesaid waterproof construction, the upper surface of wherein said finish coat window following table and horizontal plane form angle.
Preferably, aforesaid waterproof construction, the angle of wherein said angle is: 5-20 °.
Preferably, aforesaid waterproof construction, the material of wherein said packing layer is: antiseepage mortar, blowing agent, rock wool, glass wool or polystyrene or ordinary mortar.
By technique scheme, the utility model waterproof construction has following advantage at least:
At strong wind, under the factor effect of manually clashing into strongly, expand with heat and contract with cold, the following dislocation of 5mm also takes place in cracking such as door and window hole, table top or side.Prior art is the water-tight that carries out body of wall and framework with the sealant layer shown in Figure 1B 60, but the fluid sealant technology is effective at base materials such as pore-free surface such as glass, metals, but on concrete wall surface, the bonding bonding interface that often takes place of fluid sealant destroys, because it (promptly is the floating ash that fluid sealant has been removed the surface before bonding that concrete surface always produces lime, moisture content is to interfacial migration in the concrete, always cause the interface to form the existence of caustic lime), can cause the phenomenon of the not firm and unsticking of bonding.Can not fundamentally solve the concrete substrate waterproof problem up hill and dale at the fluid sealant technology, the waterproof construction that the utility model proposes is to adopt to be coated with the rete overlapping technology between body of wall and framework, and this is coated with the relative shift that rete can be resisted 5mm.Elasticity is coated with rete can resist the cracking that factor caused, displacement deformation such as strong wind, opening of doors and windows is closed when clashing into and expand with heat and contract with cold.Adopt waterproof construction of the present utility model rainwater can be intercepted fully in the outside.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of manual, below with preferred embodiment of the present utility model and conjunction with figs. describe in detail as after.
Description of drawings
Figure 1A and Figure 1B are waterproof construction schematic diagrames of the prior art.
Fig. 2 is the waterproof construction schematic diagram of the utility model one preferred embodiment.
Fig. 3 is the waterproof construction schematic diagram of another embodiment of the utility model.
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined utility model purpose is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of waterproof construction, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
See also shown in Figure 2, the waterproof construction of the utility model preferred embodiment, it mainly comprises: body of wall (then comprising insulation layer if any insulation layer) 10, packing layer 20, framework 30, finish coat 41,42, elasticity are coated with rete 70 and sealant layer 50.Wherein body of wall 10 is the body of wall of building, be generally that cement is constructed or brick forming, as the supporter that supports door and window, on this body of wall 10, offer the cavity and be used to install door and window, so because the thickness of door and window generally all can form windowsill or door platform less than the thickness of body of wall 10 on this body of wall 10 after installing door and window.With the window is example, and lateral ledge is exposed to outside the building, and when rainy, rainwater can flow on the outside window sill.Framework 30 is an example with the window, and framework 30 is exactly a window frame, and it is fixed on the body of wall 10 by bolt or nail (not shown).Between framework 30 and body of wall 10, be filled with packing layer 20, seal.The material of this packing layer 20 is: antiseepage mortar, blowing agent, rock wool or polystyrene or glass wool or ordinary mortar, it can be bought by commercial sources and obtain.In the outside of body of wall 10 upper surface and the side that joins with this upper surface, the outdoor side surface of the outdoor side surface of packing layer 20 and the framework 30 of joining with packing layer is coated with elasticity and is coated with rete 70.This elasticity is coated with rete 70 and forms an integral body, thereby the seam between the seam between framework 30 and the packing layer 20, packing layer 20 and body of wall 10 upper surfaces and body of wall 10 upper surfaces and a part of side are covered fully.This elasticity is coated with the material that rete 70 selects for use: polyureas and modified water-proof coating, polyurethanes and modified water-proof coating, polypropylene esters of gallic acid and modified water-proof coating, polymer cement-base waterproof coating, Ethylene Propylene Terpolymer water-repellent paint and elastic water proofing paints such as silicone and modified water-proof coating; Coating thickness is more than 2mm.Above-mentioned elasticity is coated with rete material liquid material and can obtains by the commerce purchase.In the outside, be coated with in described elasticity and be provided with finish coat 41 on the rete 70, body of wall 10 is coated the exterior wall surface that gets up to form building, the thickness of this finish coat 41 enough is surrounded the some of above-mentioned packing layer 20 and framework 30.Described sealant layer 50 is arranged at the seam crossing of this finish coat 41 and framework 30, seals thereby be used for this place seam covered fully, prevents that rainwater is along this seam infiltration.In the indoor of body of wall 10, also be provided with finish coat 42, also be that the surface towards indoor with the some of above-mentioned packing layer 20 and framework 30 is surrounded.Usually the body intensity of the concrete material of usefulness is 4Mpa, this patent adopts body intensity more than 4Mpa (GB/T528), and flexible (elongation per unit length is more than 300%) (GB/T528), water absorption rate is lower than 10%, coating thickness is greater than 2mm, and to the flexible high-strength material of bonding peel strength more than 3N/mm of base material (framework and body of wall) as the rainwater barrier layer.Because this elasticity is coated with rete 70 body of wall and framework tight bond, and this elasticity is coated with rete and is difficult for destroyed.Even bump and expand with heat and contract with cold etc. when strong wind, long-time opening and closing take place, this flexibility rainwater barrier layer can drawing cracks, even door and window is subjected to forceful action and causes hole and table top cracking and deformation, are the concrete drawing cracks yet, elasticity is filmed and can not ruptured.The waterproof construction of the door and window that constitutes as above-mentioned structure, strong wind, opening of doors and windows and close bump and actual application such as expand with heat and contract with cold in, even rainwater infiltrates from finish coat or sealant layer, since this elasticity is coated with that rete 70 still can be kept perfectly and with the tight bond of body of wall and framework, thereby can prevent effectively that sealing infiltrates body of wall or infiltrates indoorly, makes the door and window with this waterproof construction have good waterproof effect.
Seeing also shown in Figure 2ly, is the waterproof construction schematic diagram of another embodiment of the utility model.Be that with the difference of a last embodiment it is to be positioned at the upper surface of body of wall 10 and to extend to the indoor from the joint of packing layer and body of wall 10 that elasticity wherein is coated with rete 70, and the indoor of packing layer 20 and the indoor of a part of framework 10 are covered fully.Have good adhesive property because this elasticity is coated with rete 70 with framework, body of wall and packing layer, and the slit that rainwater might be infiltrated in institute can stop the infiltration of rainwater with effective means all in the coverings.
The door and window that the waterproof construction of above-mentioned formation is made makes the relative body of wall of door and window framework by force to the inside below the displacement 5mm through the artificial mechanism method, and suppresses △ P 〉=700Pa (simulation typhoon), sprays 30 minutes results, and seepage does not take place.The waterproof construction of above-mentioned formation is not only applicable to comprise around the window opening at windowsill yet.
The utility model also proposes a kind of manufacture method of above-mentioned waterproof construction.This method comprises: lay one deck impervious material on the body of wall that framework will be installed, form packing layer, this impervious material is antiseepage mortar, blowing agent, rock wool or polystyrene.With framework (if any protect frame then comprise protect frame), as doorframe, window frame or curtain wall window frame, be installed on this packing layer, and framework be fixed on the body of wall with bolt or nail.The elasticity primary liquid material of filming is coated in the part of body of wall upper surface and part side, packing layer outside and framework outside, forms elasticity and be coated with rete.This elasticity is coated with rete and forms an integral body, and the seam between the seam between framework and the packing layer, packing layer and the body of wall upper surface and body of wall upper surface and a part of side are covered fully.The material that this elasticity is coated with rete is: polyureas and modified water-proof coating, polyurethanes and modified water-proof coating, polypropylene esters of gallic acid and modified water-proof coating, polymer cement-base waterproof coating, Ethylene Propylene Terpolymer water-repellent paint and elastic water proofing paints such as silicone and modified water-proof coating.The external surface that is coated with rete in described elasticity is laid finish coat, elasticity is coated with the whole and a part of frameworks of rete side covers.The upper surface of the window bottom table top of this finish coat and horizontal plane keep 5-20 ° angle, from but the windowsill upper surface of finish coat is skewed, help rainwater and flow to wall outer side.Should enough packing layer and part framework be surrounded at the thickness of finish coat, be coated with sealant layer in the joint of finish coat and framework and then the slit between finish coat and the framework is surrounded fully, prevent the infiltration body of wall of rainwater or the indoor of bleeding.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, any those skilled in the art, in not breaking away from the technical solutions of the utility model scope, make a little change or be modified to the equivalent embodiment of equivalent variations when the technology contents that can utilize above-mentioned announcement, all still belong in the scope of technical solutions of the utility model.
Claims (6)
1, a kind of waterproof construction, it comprises:
Body of wall;
Framework is fixed on the above-mentioned body of wall;
Packing layer is arranged between the above-mentioned framework and body of wall;
Finish coat surrounds above-mentioned body of wall, packing layer and part framework;
Sealant layer is arranged at the intersection of described finish coat and framework, and the seam of finish coat and framework is all covered;
It is characterized in that this waterproof construction also comprises: elasticity is coated with rete, is covered in body of wall, packing layer and part framework.
2, waterproof construction according to claim 1 is characterized in that the material that wherein said elasticity is coated with rete is: polyureas water-repellent paint, polyurethanes water-repellent paint, acrylic type water-proof coating, silicone water-repellent paint or its material modified or Ethylene Propylene Terpolymer water-repellent paint.
3, waterproof construction according to claim 1 is characterized in that wherein said body of wall, framework and packing layer have outside and indoor respectively, and it is to be coated on the outside of body of wall, packing layer and part framework that described elasticity is coated with rete.
4, waterproof construction according to claim 1 is characterized in that wherein said framework is doorframe or window frame or curtain wall window frame.
5, waterproof construction according to claim 1 is characterized in that the material of wherein said packing layer is: blowing agent, rock wool, glass wool or polystyrene or mortar.
6, waterproof construction according to claim 5 is characterized in that wherein said mortar is the antiseepage mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820080534XU CN201209368Y (en) | 2008-05-13 | 2008-05-13 | Water-proof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820080534XU CN201209368Y (en) | 2008-05-13 | 2008-05-13 | Water-proof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209368Y true CN201209368Y (en) | 2009-03-18 |
Family
ID=40480098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820080534XU Expired - Fee Related CN201209368Y (en) | 2008-05-13 | 2008-05-13 | Water-proof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209368Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094522A (en) * | 2010-11-19 | 2011-06-15 | 二十二冶集团第一建设有限公司 | Process for constructing joints between bottom of window on outer wall and inside as well as outside of windowsill |
| CN102278038A (en) * | 2011-04-22 | 2011-12-14 | 吴兆圣 | Waterproofing method for window side seam of external wall |
| CN103089112A (en) * | 2013-01-11 | 2013-05-08 | 台州建筑安装工程公司 | Face brick facing door/window side anti-leakage structure and construction method thereof |
| CN106284691A (en) * | 2016-08-26 | 2017-01-04 | 上海二十冶建设有限公司 | The external door of a kind of ground external heat insulating wall, the anti-seepage construction method on window limit |
| CN108505885A (en) * | 2018-04-24 | 2018-09-07 | 骊住建材（上海）有限公司 | The water proof structure of wall installation on a kind of door and window |
| CN109098620A (en) * | 2018-07-26 | 2018-12-28 | 广州坚磊建设有限公司 | The exterior window platen and its construction method of antiseep |
-
2008
- 2008-05-13 CN CNU200820080534XU patent/CN201209368Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094522A (en) * | 2010-11-19 | 2011-06-15 | 二十二冶集团第一建设有限公司 | Process for constructing joints between bottom of window on outer wall and inside as well as outside of windowsill |
| CN102094522B (en) * | 2010-11-19 | 2012-08-15 | 二十二冶集团第一建设有限公司 | Process for constructing joints between bottom of window on outer wall and inside as well as outside of windowsill |
| CN102278038A (en) * | 2011-04-22 | 2011-12-14 | 吴兆圣 | Waterproofing method for window side seam of external wall |
| CN102278038B (en) * | 2011-04-22 | 2013-05-08 | 吴兆圣 | Waterproofing method for window side seam of external wall |
| CN103089112A (en) * | 2013-01-11 | 2013-05-08 | 台州建筑安装工程公司 | Face brick facing door/window side anti-leakage structure and construction method thereof |
| CN106284691A (en) * | 2016-08-26 | 2017-01-04 | 上海二十冶建设有限公司 | The external door of a kind of ground external heat insulating wall, the anti-seepage construction method on window limit |
| CN106284691B (en) * | 2016-08-26 | 2019-01-15 | 上海二十冶建设有限公司 | A kind of external door of ground external heat insulating wall, window side anti-seepage construction method |
| CN108505885A (en) * | 2018-04-24 | 2018-09-07 | 骊住建材（上海）有限公司 | The water proof structure of wall installation on a kind of door and window |
| CN109098620A (en) * | 2018-07-26 | 2018-12-28 | 广州坚磊建设有限公司 | The exterior window platen and its construction method of antiseep |
| CN109098620B (en) * | 2018-07-26 | 2020-11-27 | 广州坚磊建设有限公司 | Anti-seepage external windowsill plate and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8650817B2 (en) | Flood proof window | |
| CN201209368Y (en) | Water-proof structure | |
| CN101158213B (en) | Exterior outer-insulating system construction method for using direct-compress EPS inorganic clad plate | |
| CN207017857U (en) | A kind of broken-bridge aluminum alloy exterior window closing-in structure | |
| CN104179263A (en) | Building exterior wall external thermal insulation system waterproof and drainage construction method | |
| CN102168512A (en) | Leakage-proof structure of aluminium alloy window | |
| CN104213800B (en) | Antiseep Combined aluminium alloy window and its installation method | |
| CN110106993A (en) | The vertical crack resistence of assembled architecture precast shear wall, waterproof construction and construction method | |
| CN102345352B (en) | Multilayer structure of building outer wall in severe cold region and construction method of multilayer structure | |
| CN113235767A (en) | Construction method of external thermal insulation key node of external wall | |
| CN207469478U (en) | The splicing joint waterproofing node structure of assembled integrated wall | |
| CN210767302U (en) | Enhanced vertical-filament rock wool board external wall insulation system | |
| CN200971695Y (en) | Anti-leakage window | |
| CN112081255A (en) | Window opening heat-insulating waterproof structure and construction method | |
| CN201991102U (en) | Fire-proof fire retardation cement calcium silicate board thermal-insulation wall | |
| CN110685539A (en) | Sealing method between dry-hanging stone curtain wall and window frame | |
| CN107675811B (en) | Bathroom waterproof system and construction method | |
| CN109577671A (en) | A kind of environment-friendly type window leak wall-surface patching method | |
| CN211776832U (en) | Lower part prevention of seepage water exterior window mounting structure | |
| CN209369099U (en) | A kind of ultra-thin heat-insulating shield exterior-wall heat insulation construction of STP | |
| CN105863180A (en) | Novel roof fireproof isolating belt and construction method thereof | |
| CN111472469A (en) | Nano aerogel external wall thermal insulation system and construction method | |
| CN205840174U (en) | A kind of new type roof fire-blocking belt | |
| CN206495357U (en) | Assembled wall anticracking crack structure | |
| CN109372151A (en) | A kind of ultra-thin heat-insulating shield exterior-wall heat insulation construction of STP and its method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090318 Termination date: 20170513 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |