CN204252254U - For liner, the sewage network of sewage network - Google Patents
For liner, the sewage network of sewage network Download PDFInfo
- Publication number
- CN204252254U CN204252254U CN201420644716.0U CN201420644716U CN204252254U CN 204252254 U CN204252254 U CN 204252254U CN 201420644716 U CN201420644716 U CN 201420644716U CN 204252254 U CN204252254 U CN 204252254U
- Authority
- CN
- China
- Prior art keywords
- main body
- shaped main
- cylindrical
- manhole
- liner
- 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
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The utility model discloses a kind of liner for sewage network, comprising: the vertical cylindrical-shaped main body arranged, cylindrical-shaped main body is suitable for being arranged in the manhole of sewage network; With at least two of lateral arrangement circular adapters, all connect with cylindrical-shaped main body and communicate, each circle take over be suitable for extending to manhole the borehole wall outside to be tightly connected with corresponding soil pipe.The invention also discloses a kind of liner for sewage network, comprising: the vertical cylindrical-shaped main body arranged, cylindrical-shaped main body itself forms the manhole of sewage network; At least two circular adapters with lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is suitable for being tightly connected with corresponding soil pipe.The utility model also relates to the sewage network with above-mentioned liner.Utilize the technical program, can solve the sealing problem of soil pipe and manhole junction and manhole in prior art.
Description
Technical field
Embodiment of the present utility model relates to municipal sewage pipe network field, particularly relates to the structure of the manhole of sewage network.
Background technology
Municipal sewage pipe network is exactly that the sanitary sewage needing in a city or a region to collect and industrial waste water are collected, and collects municipal sewage plant by the pipeline of UNICOM.These pipelines constitute net structure, are commonly called as pipe network.
Along with the fast development of China's economic, society, China has entered the Rapid development stage of urbanization.The quick growth of urban population, the contradiction between the supportability of the fast development of urbanization and environmental protection requirement and city basis public service is instantly got over utility model and is shown.Municipal sewage pipe network is the indispensable ingredient in modern city, ensures that whole city runs well.The sewage network in domestic a lot of city all adopts the mode of buried water drainage plastics pipe, and therefore the operation of municipal sewage pipe network must reach seal, could can prevent the leakage because of sewage from causing the pollution of groundwater resources, produce irreversible harm to environment.
At present, all there is " run, drip, leak " phenomenon in the operation of domestic municipal sewage pipe network.Through construction and the maintenance experience of our municipal sewage pipe network installing engineering for many years, the problem of " run, drip, leak " mainly occurs in municipal sewage pipe network tubing interface and manhole place.Therefore the sewage leakage problem handling tubing interface and manhole place well is the important step thoroughly solving municipal sewage polluted underground water resource.
Manhole main body adopts loam brick to build inner employing waterproof mortar finish, pipeline and the rigidly connected technique of manhole by laying bricks or stones.Pipeline and manhole are rigidly connected, and manhole adopts loam brick to build inner plastering technique by laying bricks or stones, and pipeline and manhole junction and manhole itself cannot be accomplished completely airtight, thus cause leakage scenarios more outstanding.
Meanwhile, backfill around well, bottom manhole, buried all in underground less than 4 meters under normal circumstances, must be excavated after there is leakage problems in manhole and pipeline junction, carries out hole wall and safety prevention measure could to hole end construction operation under personnel around.Also need several days time after maintenance, reach after design strength can again backfill the earthwork around manhole until leakage mortar strength.Thus the maintenance works amount of manhole and measure for construction safety drop into more, and the impact travelled surrounding people and vehicle is comparatively large, creates larger pressure to the traffic congestion situation that current most cities exist.
Utility model content
Solve the leakage problem of municipal sewage pipe network at manhole place to overcome or alleviating, propose the utility model.
According to an aspect of the present utility model, propose a kind of liner for sewage network, comprising: the vertical cylindrical-shaped main body arranged, described cylindrical-shaped main body is suitable for being arranged in the manhole of sewage network; With at least two circular adapters of lateral arrangement, all connect with described cylindrical-shaped main body and communicate, wherein, lateral length of each circular adapter be greater than manhole thickness of shaft wall and be suitable for extending to manhole the borehole wall outside to be tightly connected with corresponding soil pipe.
According to another aspect of the present utility model, propose a kind of liner for sewage network, comprising: the vertical cylindrical-shaped main body arranged, cylindrical-shaped main body itself forms the manhole of sewage network; At least two circular adapters with lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is suitable for being tightly connected with corresponding soil pipe.
Alternatively, described liner comprises two circular adapters, and described two circular adapters are positioned opposite in the diametric(al) of cylindrical-shaped main body.Further, the bottom of a circular adapter is higher than another circular bottom taken over.More specifically, the bottom of described cylindrical-shaped main body has guiding gutter, and one end of guiding gutter is higher than the other end, and one end of guiding gutter and described circular bottom take over are connected and bottom that the other end and another circle described are taken over is connected.
Alternatively, the height of described cylindrical-shaped main body is designed to meet the requirement of the sewage network max-flow water yield and the requirement of closed-water test water level.
Alternatively, be provided with inside described cylindrical-shaped main body and arrive cat ladder bottom cylindrical-shaped main body for maintenance or attendant.
Alternatively, described liner corrosion-resistant and withstand voltagely resistance toly draws the one in the following material of requirement to be formed by meeting: glass fiber reinforced plastic, steel concrete, cast iron, stainless steel, PVC material and PE material.
According to one side more of the present utility model, propose a kind of sewage network, comprising: manhole, manhole has the borehole wall; Upstream soil pipe and downstream wastewater pipe; And liner, wherein:
Liner comprises the vertical cylindrical-shaped main body arranged, described cylindrical-shaped main body is suitable for being arranged in the manhole of sewage network; At least two circular adapters with lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and wherein, the lateral length of each circular adapter is greater than the thickness of shaft wall of manhole;
The circle adapter of described liner extends to outside the borehole wall through the borehole wall and is connected with upstream soil pipe and the downstream wastewater seal of tube respectively.
According to also one side of the present utility model, propose a kind of sewage network, comprising: upstream soil pipe and downstream wastewater pipe; And liner, wherein:
Liner comprises: the vertical cylindrical-shaped main body arranged, cylindrical-shaped main body itself forms the manhole of sewage network; At least two circular adapters with lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is connected with upstream soil pipe and the downstream wastewater seal of tube respectively.
Utilize the technical solution of the utility model, can solve the sealing problem of soil pipe and manhole junction and manhole in prior art.
Accompanying drawing explanation
Detailed description of the invention from following preferred embodiment becomes when learning by reference to the accompanying drawings and clearly presents by above and other object of the present utility model and advantage, wherein:
Fig. 1 is the sectional view be arranged on according to the liner for sewage network of an exemplary embodiment of the present utility model in manhole;
Fig. 2 is the schematic diagram be connected with soil pipe for the liner of sewage network according to an exemplary embodiment of the present utility model;
Fig. 3 is the top view of the liner for sewage network according to an exemplary embodiment of the present utility model;
Fig. 4 is the lateral view of the liner for sewage network according to an exemplary embodiment of the present utility model.
Detailed description of the invention
Although fully describe the utility model with reference to the accompanying drawing containing preferred embodiment of the present utility model, but before this describes, should be appreciated that those of ordinary skill in the art can revise utility model described herein, obtain technique effect of the present utility model simultaneously.Therefore, Yan Weiyi discloses widely to those of ordinary skill in the art must to understand above description, and its content does not lie in the exemplary embodiment of restriction described by the utility model.
1-4 describes the liner for sewage network according to exemplary embodiment of the present utility model with reference to the accompanying drawings.
As Figure 1-4, the liner 100 for sewage network comprises:
The cylindrical-shaped main body 10 of vertical layout, described cylindrical-shaped main body 10 is suitable for being arranged in the manhole 200 of sewage network; With
At least two circular adapters 22,24 of lateral arrangement, all connect with described cylindrical-shaped main body 10 and communicate, wherein, the lateral length of each circular adapter 22,24 be greater than manhole 200 thickness of shaft wall and be suitable for extending to manhole 200 the borehole wall 202 outside to be tightly connected with corresponding soil pipe 32,34.
Although in shown accompanying drawing, liner only comprises two circular adapters, liner also can arrange more circle adapter, so that multi-path sewage manifold is incorporated in a road soil pipe.
When liner comprises two circular adapter 22,24, these two circular adapters 22,24 can be positioned opposite in the diametric(al) of cylindrical-shaped main body 10, in other words, the axis of two circular adapters 22,24 can be arranged parallel to each other, also can arrange at an angle to each other.In shown accompanying drawing, the axis of two circular adapters 22,24 is arranged parallel to each other.Flow based on gravity for the ease of sewage, the bottom that a circular bottom taken over is taken over higher than another circle, such as, in FIG, the flow direction of sewage from left to right flows as shown by arrow A, and the bottom of the circle adapter 22 in left side is higher than the bottom of the circle adapter 24 on right side.As shown in Figure 3, the bottom of cylindrical-shaped main body 10 has guiding gutter 12, in the sectional view shown in Fig. 1, guiding gutter 12 is presented as domatic, be conducive to sewage to discharge even if domatic, wherein, one end of guiding gutter 12 is higher than the other end, and one end of guiding gutter 12 is connected with the bottom of circular adapter 22 and the other end is connected with the bottom of circle adapter 24.Guiding gutter 12 needs the size of the pipe internal diameter design guiding gutter of the soil pipe connect according to liner, and such as, guiding gutter can have the concave surface runner similar with connect soil pipe 32,34 size.
As known to those skilled, the bottom of two circular adapters 22,24 also can be in identical level height, only otherwise there is the difference in height of obstruction drainage flow.
As shown in Figure 1, cylindrical-shaped main body 10 has a height, and this is highly arranged to meet the sewage network max-flow water yield and requires and the requirement of closed-water test water level.So, even if in above-mentioned two situations, also there will not be the situation that sewage or water overflow from liner and reveals.
As shown in figs. 1 and 3, be provided with inside cylindrical-shaped main body 10 and arrive cat ladder 14 bottom cylindrical-shaped main body for maintenance or attendant.
In an illustrated embodiment, employ glass fiber reinforced plastic and make liner 100.The plurality of advantages such as frp lining has that industrialization degree is high, corrosion-resistant, compression and tensile strength is high, good leak tightness, installation and maintain and replace is easy, quality light, good insulating.For frp lining, cylindrical-shaped main body 10 can adopt 2cm thickness glass Steel material at produce in factory.Can according to the diameter of the size adjustment frp lining of manhole.The inside of frp lining integratedly can be built with current vertical side and be made cat ladder in glass fiber reinforced plastic, and convenient for maintaining personnel go into the well maintenance.
Cylindrical-shaped main body 10 and the circular adapter 22,24 of frp lining can be shaped by integrated casting.
The diameter of circular adapter 22,24 adjusts flexibly according to the pipe diameter of the soil pipe 32,34 of sewage network, and the development length of circular adapter 22,24 can adjust according to the thickness of shaft wall of manhole.When circle adapter 22,24 is connected with soil pipe 32,34 by flange 26 (for example, see Fig. 4 with Fig. 1), the predetermined operating distance between the development length of circular adapter 22,24 outside the borehole wall needs outside guarantee flange 26 and the borehole wall.The thickness that thickness and the material of flange 26 can be taken over circle is identical with material, and flange 26 also can take over one castable with cylindrical-shaped main body and circle.Such as, the thickness of cylindrical-shaped main body is 10cm.
When circle adapter is provided with flange 26, soil pipe 32,34 is correspondingly also provided with flange.Bolt 27 can be adopted between flange to connect, the bolt hole be arranged on flange 26 has been shown in Fig. 4.Encapsulant is clamped with, such as anti-aging rubber cushion 28 (see Fig. 2) between flange.
Frp lining tool of the present utility model has the following advantages:
(1) industrialization degree is high.Current municipal sewage pipe network manhole adopts unselected clay brick masonry to form, and making of constructing all at the scene, industrialization degree is low, and cost of labor is higher, and the duration is longer.Larger on the impact of urban traffic.And frp lining can make factory produce in batches, the energy-conserving and environment-protective that adaptation country is advocating, construction project industrial development direction.
(2) corrosion-resistant.The characteristic of chemical stability with good resistance to strong acid, highly basic of glass-reinforced plastic material itself, therefore, it is possible to adapt to the long period of soaking of industrial waste water and sanitary sewage and wash away.
(3) compression and tensile strength is high.Glass-reinforced plastic material is made up of organic resin and glass fiber.Therefore there are good tensile strength and compressive strength, the added influence of external force in installation, maintenance and use engineering can be resisted.
(4) good leak tightness.Glass-reinforced plastic material has good processability and density (compactibility), therefore has higher seal.Frp lining makes in engineering, can become yield and quality according to complete quality control system limit product.The effluent seepage problem that thorough solution sewage inspection well causes because of construction quality.
Frp lining and municipal sewage pipe network adopt flange type of attachment, therefore good leak tightness, can bear larger internal water pressure, thoroughly can solve the leakage problems of sewage.
(5) install and maintain and replace easy.Frp lining lighter weight, transports and installs easier.
(6) good insulating.Frp lining has good insulating properties.Can prevent in installation and maintenance construction, operating personnel gets an electric shock, and improves the construction safety level of production.
It is pointed out that and can be formed by the corrosion-resistant and withstand voltage resistance to material of requirement that draws that meets beyond glass fiber reinforced plastic according to liner 100 of the present utility model, such as, steel concrete, cast iron, stainless steel, PVC material or PE material.
In the illustrated embodiment in which, liner 100 is arranged in manhole 200 specially.But when the intensity of liner is enough, the cylindrical-shaped main body of liner itself can be used as manhole, in other words, can cancel outside loam brick and build sewage inspection well by laying bricks or stones.Now, liner can be directly made up of Reinforced Concrete Materials, or the material all met the demands by other intensity and corrosion resistance is made.Therefore, the utility model also proposed a kind of liner for sewage network, comprising: the vertical cylindrical-shaped main body arranged, cylindrical-shaped main body itself forms the manhole of sewage network; At least two circular adapters with lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is suitable for being tightly connected with corresponding soil pipe.
Connection between circular adapter and soil pipe is not limited to flange and connects.Such as, can adopt between circular adapter with soil pipe and patch type connector, patch on type connector be provided with hermetically-sealed construction at this.
According to another aspect of embodiment of the present utility model, propose a kind of sewage network, comprising:
Manhole, manhole has the borehole wall;
Upstream soil pipe and downstream wastewater pipe; With
Liner, comprising:
The cylindrical-shaped main body of vertical layout, described cylindrical-shaped main body is suitable for being arranged in the manhole of sewage network; With
At least two circular adapters of lateral arrangement, all connect with described cylindrical-shaped main body and communicate, wherein, lateral length of each circular adapter be greater than manhole thickness of shaft wall and extend to manhole the borehole wall outside be connected with upstream soil pipe and the downstream wastewater seal of tube respectively.
According to another aspect of embodiment of the present utility model, propose a kind of sewage network, comprising:
Upstream soil pipe and downstream wastewater pipe; With
Liner, comprising:
The cylindrical-shaped main body of vertical layout, cylindrical-shaped main body itself forms the manhole of sewage network; With
At least two circular adapters of lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is connected with upstream soil pipe and the downstream wastewater seal of tube respectively.
The method of building sewage network based on the technical solution of the utility model is described below, and the method comprising the steps of:
Bury upstream soil pipe 32 and downstream wastewater pipe 34 underground;
Liner 100 is set between upstream soil pipe 32 and downstream wastewater pipe 34; And
Upstream soil pipe 32 and downstream wastewater pipe 34 are tightly connected with the circle adapter 22,24 of liner respectively.
When the cylindrical-shaped main body of liner is not as manhole, manhole 200 can also be set, the borehole wall of described manhole to be extended to outside the borehole wall 202 and the borehole wall 202 of manhole 200 supports liner 100 around the cylindrical-shaped main body 10 of described liner, circular adapter 22,24.
After detailed description preferred embodiment of the present utility model, those of ordinary skill in the art can clearly understand, and can carry out various change and change under the protection domain not departing from claim of enclosing and spirit.
Claims (15)
1. for a liner for sewage network, it is characterized in that, comprising:
The cylindrical-shaped main body of vertical layout, described cylindrical-shaped main body is suitable for being arranged in the manhole of sewage network; With
At least two of lateral arrangement circular adapters, all connect with described cylindrical-shaped main body and communicate, wherein, lateral length that each circle is taken over be greater than manhole thickness of shaft wall and be suitable for extending to manhole the borehole wall outside to be tightly connected with corresponding soil pipe.
2. for a liner for sewage network, it is characterized in that, comprising:
The cylindrical-shaped main body of vertical layout, cylindrical-shaped main body itself forms the manhole of sewage network; With
At least two circular adapters of lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is suitable for being tightly connected with corresponding soil pipe.
3. liner according to claim 1 and 2, is characterized in that:
Described liner comprises two circular adapters, and described two circular adapters are positioned opposite in the diametric(al) of cylindrical-shaped main body.
4. liner according to claim 3, is characterized in that:
The bottom of a circular adapter is higher than another circular bottom taken over.
5. liner according to claim 4, is characterized in that:
The bottom of described cylindrical-shaped main body has guiding gutter, and one end of guiding gutter is higher than the other end, and one end of guiding gutter and described circular bottom take over are connected and bottom that the other end and another circle described are taken over is connected.
6. liner according to claim 1 and 2, is characterized in that:
The height of described cylindrical-shaped main body is designed to meet the sewage network max-flow water yield and requires and the requirement of closed-water test water level.
7. liner according to claim 1 and 2, is characterized in that:
Be provided with inside described cylindrical-shaped main body and arrive cat ladder bottom cylindrical-shaped main body for maintenance or attendant.
8. liner according to claim 1 and 2, is characterized in that:
Described liner corrosion-resistant and withstand voltagely resistance toly draws the one in the following material of requirement to be formed by meeting: glass fiber reinforced plastic, steel concrete, cast iron, stainless steel, PVC material and PE material.
9. a sewage network, is characterized in that, comprising:
Manhole, manhole has the borehole wall;
Upstream soil pipe and downstream wastewater pipe; With
Liner, comprising:
The cylindrical-shaped main body of vertical layout, described cylindrical-shaped main body is suitable for being arranged in the manhole of sewage network; With
At least two circular adapters of lateral arrangement, all connect with described cylindrical-shaped main body and communicate, wherein, lateral length of each circular adapter be greater than manhole thickness of shaft wall and extend to manhole the borehole wall outside be connected with upstream soil pipe and the downstream wastewater seal of tube respectively.
10. a sewage network, is characterized in that, comprising:
Upstream soil pipe and downstream wastewater pipe; With
Liner, comprising:
The cylindrical-shaped main body of vertical layout, cylindrical-shaped main body itself forms the manhole of sewage network; With
At least two circular adapters of lateral arrangement, all connect with described cylindrical-shaped main body and communicate, and each circular adapter laterally stretches out relative to cylindrical-shaped main body and is connected with upstream soil pipe and the downstream wastewater seal of tube respectively.
11. sewage networks according to claim 9 or 10, is characterized in that:
Described liner comprises two circular adapters, and described two circular adapters are positioned opposite in the diametric(al) of cylindrical-shaped main body.
12. sewage networks according to claim 11, is characterized in that:
The bottom of described cylindrical-shaped main body has guiding gutter, and one end of guiding gutter is higher than the other end;
The bottom of a circular adapter is higher than the bottom of another circular adapter, and one end of guiding gutter is connected with a circular bottom taken over and bottom that the other end and another circle are taken over is connected.
13. sewage networks according to claim 9 or 10, is characterized in that:
The height of described cylindrical-shaped main body is designed to meet the sewage network max-flow water yield and requires and the requirement of closed-water test water level.
14. sewage networks according to claim 9 or 10, is characterized in that:
Be provided with inside described cylindrical-shaped main body and arrive cat ladder bottom cylindrical-shaped main body for maintenance or attendant.
15. sewage networks according to claim 9 or 10, is characterized in that:
Described liner is formed by the one in following material: glass fiber reinforced plastic, steel concrete, cast iron, stainless steel, PVC material and PE material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644716.0U CN204252254U (en) | 2014-10-31 | 2014-10-31 | For liner, the sewage network of sewage network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644716.0U CN204252254U (en) | 2014-10-31 | 2014-10-31 | For liner, the sewage network of sewage network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204252254U true CN204252254U (en) | 2015-04-08 |
Family
ID=52956579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644716.0U Expired - Fee Related CN204252254U (en) | 2014-10-31 | 2014-10-31 | For liner, the sewage network of sewage network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204252254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405028A (en) * | 2014-10-31 | 2015-03-11 | 郎志坚 | Lining applied to sewage pipe network, sewage pipe network and method for building sewage pipe network |
-
2014
- 2014-10-31 CN CN201420644716.0U patent/CN204252254U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104405028A (en) * | 2014-10-31 | 2015-03-11 | 郎志坚 | Lining applied to sewage pipe network, sewage pipe network and method for building sewage pipe network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106836285B (en) | Building informatization-based underground pipe gallery monitoring waterproof structure | |
| CN210031914U (en) | Assembled inspection shaft | |
| CN2801923Y (en) | Concrete built-in anti-leakage special casing pipe | |
| CN101798939A (en) | Maintainable tunnel drainage system | |
| CN201731178U (en) | Rigid waterproof sleeve | |
| CN202208931U (en) | Individual combination type inspection well | |
| CN102864833A (en) | Application of finished plastic inspection well in outdoor drainage system | |
| CN204252254U (en) | For liner, the sewage network of sewage network | |
| CN102561501A (en) | Pressure pipeline leakage detection pipe ditch for collapsible loess regions | |
| CN104405028A (en) | Lining applied to sewage pipe network, sewage pipe network and method for building sewage pipe network | |
| CN208136954U (en) | Precast splice type Pipe rack | |
| CN205171548U (en) | Novel plastics piping lane | |
| CN210737740U (en) | Plastic pipe well integrated device | |
| CN205653873U (en) | Plastic check well convenient to installation | |
| CN104251008B (en) | A kind of guiding gutter and restorative procedure repairing pipe duct and back drop with water | |
| KR20190076949A (en) | Apparatus for sewerage system including French drainage | |
| CN204543668U (en) | One under water gas rushes soil discharging facility | |
| CN201883523U (en) | Rainwater inspection well | |
| CN203296070U (en) | High-intensity shaft made of plastics | |
| CN207998913U (en) | Prefabricated sewage inspection well | |
| CN110056012B (en) | Waterproof and drainage system of prefabricated open caisson structure | |
| CN201206277Y (en) | Integrated drainage inspection well apparatus | |
| CN204282404U (en) | A kind of plastic drainage inspection well arm and pit shaft Hermetical connecting structure | |
| CN201981553U (en) | Plastic pipeline type inspection shaft | |
| CN204282403U (en) | A kind of combined inspection shaft |
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: 20150408 Termination date: 20181031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |