CN206157667U - Mountain area skew bridge pier scour prevention buffer stop - Google Patents
Mountain area skew bridge pier scour prevention buffer stop Download PDFInfo
- Publication number
- CN206157667U CN206157667U CN201621218071.XU CN201621218071U CN206157667U CN 206157667 U CN206157667 U CN 206157667U CN 201621218071 U CN201621218071 U CN 201621218071U CN 206157667 U CN206157667 U CN 206157667U
- Authority
- CN
- China
- Prior art keywords
- bridge pier
- pier
- collision
- protection against
- against erosion
- 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
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The utility model provides a mountain area skew bridge pier scour prevention buffer stop, includes the grille -type device of suit on the pier, is provided with a plurality of rubber shock absorber pearls between grille -type device and the pier, wherein, the grille -type device is set up relatively by the device of two V type structures and constitutes, is provided with a plurality of grids between the device inner wall of V type structure and the rubber shock absorber pearl. The utility model discloses on attaching to the pier, can guarantee self stability. It can automatic rotate the minimum along with rivers advancing direction and hinder water position, and the cross slab of setting can prevent the preceding rivers downwards of mound and weaken the horse's hoof vortex to erode around reducing the pier shaft, this facility can be at horizontal rotation in surface to there is flexible rubber ball inside, avoids the korneforos floater directly to impact the pier, is favorable to alleviating the influence of floater to the pier striking.
Description
Technical field
The utility model is related to a kind of bridge pier energy-dissipating and collision-preventing protection against erosion facility, is related to a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion
Anticollision device, collision-prevention device.
Background technology
With the development that traffic of mountain area is transported, the skew bridge across river valley increases.If the xoncrete structures such as bridge pier are located at master
On deep line, current obstruction area is larger, is acted on by larger current scour, and in circumstance of flowing water, is more easy to by chlorion sulfuric acid
The erosion of radical ion and generation carbonization, also suffer from carrying the mountain torrents abrasion of silt and the floating thing in the river of upstream
Clash into, even if using excellent in mechanical performance and hypotonic water, drying shrinkage self-constriction be little, the anti abrasive high-performance concrete for hydraulic structure of resistant to corrosion
Concrete abrasion still occurs, peels off that the destruction such as dew muscle greatly shortens the service life of bridge substructure.Thus, improve bridge
It is very necessary that pier structure thing resists erosive wear and the ability of shock.Except in terms of bridge pier concrete self performance is improved
Consider outer, its performance can be strengthened to set up external structure thing in outside.But the R ＆ D Cost of high performance concrete
It is higher.
For the Hydro-concrete Structures as the cross a river stream bridge pier of mountain area, to prevent current or flood erosion, floating thing
Clash into, using circle more than bridge pier；High performance concrete, fibre reinforced concrete, concrete table are adopted for bridge pier concrete more
Finishing coat resist technology；And for the reinforcing bar in bridge pier concrete, cathodic protection technology, reinforcing steel bar corrosion inhibitor or epoxy can be adopted
The measures such as coated reinforcement；Plus deep pile foundation, prevent pier shaft ambient water from excessively washing away incision；Bridge is avoided when selecting bridge location to select as far as possible
Pier is located on stream central line, suitably adds deep pile foundation, is more to adopt some structural facilities, such as steel box anticollision device, collision-prevention device,
Thin-wall circular tube, stiffened sheet panel etc..Mostly using the method hidden, set without developing special protection for skew bridge bridge pier
Apply.
In view of above-mentioned defect and cognition, the utility model founds a kind of protection against erosion anti-collision facility so as to more product
Value in industry.
Utility model content
To overcome the problems of the prior art, the purpose of this utility model is to provide a kind of Height of Skew Bridges in Mountain Regions bridge pier erosion control
Brush anticollision device, collision-prevention device, changes the water flow structure state around pier shaft, reduces washing away around bridge pier, and reduces korneforos floating thing to pier
The energy that body clashes into, protects pier shaft concrete and reduces impact of the cross-line skew bridge to river bed change, extends bridge substructure
Life-span.
For achieving the above object, the utility model is achieved through the following technical solutions：
A kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device, including the grating type device being sleeved on bridge pier, grating type
Some rubber shock-absorbing pearls are provided between device and bridge pier, wherein, grating type device is oppositely arranged by the device of two V-structures
Constitute, between the device inwall of V-structure and rubber shock-absorbing pearl some grids are provided with.
Further, a ring device is set with bridge pier, some rubber shock-absorbing pearls are arranged in ring device, grid
Formula device is arranged on ring device outside.
Further, one layer of coating material is provided between the ring device and bridge pier.
Further, the rubber shock-absorbing pearl is by internal layer rubber, outer layer rubber and positioned at internal layer rubber and outer layer rubber
Between spring constitute.
Further, the horizontal diaphragm plate perpendicular with bridge pier is provided with grating type device.
Further, the horizontal diaphragm plate is rectangle or circle.
Further, the horizontal diaphragm plate is arranged near the dynamic water in river upper strata and lower floor's hydrostatic layering interfaces.
Compared with prior art, the utility model has the advantages that：
(1) protection against erosion anti-collision facility simple structure of the present utility model, is conducive to current that riverbed is reduced by bridge pier
Influence to sediment, learns according to hydraulic test, can reduce 40% and wash away.
(2) protection against erosion anti-collision facility structure of the present utility model, reduces bridge pier concrete surface and contacts with water, so as to favourable
In abrasion, chemical erosion, carbonization etc. is avoided, so that bridge pier concrete pier is more durable.
(3) facility of the present utility model can be rotated and the rubber shock-absorbing pearl of inside can buffer energy dissipating, it is to avoid floating thing is straight
Shock bridge pier is connect, so as to have good anti-collision performance, makes bridge pier be more easy to meet technical requirements and use demand.
(4) the utility model is conducive to extending the service life of bridge pier, so as to reduce conserving operation cost.
Bridge pier protection against erosion anti-collision facility of the present utility model, substantially reduces washing away around bridge pier, and reduction is disturbed to riverbed
It is dynamic；Avoid korneforos floating thing from directly clashing into bridge pier, while inner layer resin coating makes bridge pier concrete and water segregation, be conducive to protection
Bridge pier concrete, extends bridge pier service life.
Further, one layer of coating material is set, inner concrete is protected, and is conducive to efficiently connecing for the facility and bridge pier
Touch and adhere to.
Description of the drawings
Fig. 1 is bridge pier ambient water aspect graph.
Fig. 2 is protection against erosion anticollision device, collision-prevention device entirety top view.
Fig. 3 is rubber shock-absorbing pearl schematic diagram.
Fig. 4 is front view when protection against erosion anti-collision facility is used.
In figure, 1 is pier front surface Yong Shui, and 2 is downward current, and 3 is current, and 4 is riverbed, and 5 is U-vortex, and 6 are punching
Brush hole, 7 is wake flow, and 8 is bridge pier；2-1 is grating type device, and 2-2 is rubber shock-absorbing pearl, and 2-3 is coating material, and 2-4 is level
Diaphragm plate, 2-5 is grid；3-1 is internal layer rubber, and 3-2 is spring, and 3-3 is outer layer rubber.
Specific embodiment
The utility model is described in detail below in conjunction with the accompanying drawings.
Referring to Fig. 2, the utility model includes the grating type device 2-1 being sleeved on bridge pier, and grating type device 2-1 is by two
The device of the V-shaped structure in cross section is oppositely arranged, and constitutes the shape of the similar parallelogram in a cross section, and bridge pier is located at grid
In formula device 2-1, ring device is provided between grating type device 2-1 and bridge pier, if dry rubber substance is provided with ring device subtracting
Shake pearl 2-2, is provided with one layer of coating material 2-3 between ring device and bridge pier, the device inwall and ring device of V-structure it
Between be provided with some grid 2-5.The horizontal diaphragm plate 2-4 perpendicular with bridge pier is provided with grating type device 2-1.
The geometric shape that grating type device 2-1 has thickness, grating type device 2-1 makes current be more easy to by bridge pier, and can be with
Current turn to the little position of current obstruction area；And coordinate with rubber shock-absorbing pearl 2-2, the course of floating thing can be changed, reduce bridge
The energy of absorption；Grid 2-5 damages deformation by pressure, also can buffer body and the energy for absorbing shock.
Referring to Fig. 3, rubber shock-absorbing pearl 2-2 is by internal layer rubber 3-1, outer layer rubber 3-3 and between inside and outside layer rubber
Spring 3-2 constitute；It enables grating type device 2-1 to rotate, and rubber shock-absorbing pearl 2-2 elastic deformations itself also can buffer and
Consume Impact energy.
Coating material 2-3 in the utility model is used to prevent washing away and Chloride Attack, carbonization for bridge pier, is also a kind of
Protection to bridge pier concrete, can adopt resinous coat.Horizontal diaphragm plate 2-4 in the utility model, is not limited to described
Rectangle thin plate, or circular sheet.
Horizontal diaphragm plate 2-4 can change the flow shape around pier shaft, and its operation principle is as shown in Figure 4：When the row of current 3 it is near
During bridge pier 8, separated by horizontal diaphragm plate 2-4 to lower current 2 before pier, change direction reverse flow and mix with current 3, so as to weaken
The flow velocity of current 3；U-vortex 5 also weakens because horizontal diaphragm plate 2-4 blocks downward current 2, reduces washing away before pier；
The presence of horizontal diaphragm plate 2-4 allows wake flow 7 to break away from and shift to around bridge pier 8 at a distance, and riverbed 4 neighbouring after pier is washed away into passage to far
Place, so as to weaken washing away for the riverbed around bridge pier.
The device is attached directly on bridge pier, on the basis of the flow shape around consideration bridge pier physical dimension and pier shaft
Design.
Grating type device light weight of the present utility model, intensity is high, and itself geometric shape is conducive to current by bridge pier, its
Damaging deformation by pressure can also buffer energy dissipating, reduce and collide.Rubber shock-absorbing pearl can roll in ring device, it is also possible to buffer energy dissipating,
And grating type device can be made freely to rotate.Horizontal diaphragm plate is provided near the dynamic water in river upper strata and lower floor's hydrostatic layering interfaces,
To change the water flow structure form near pier shaft, reduction is washed away to riverbed.The utility model is applied to mountain area flood frequency
It is numerous, skew bridge bridge pier or the bridge pier larger on river bed change impact near the deep line of master.
The utility model is related to a kind of definite functions, simple structure, does not affect the bridge pier affiliated facility that bridge pier normally uses,
The operation principle of the protection against erosion anti-collision facility：According to pier shaft ambient water form, water conservancy diversion shunting facility is set, changes water movement
Form, is conducive to current by bridge pier, and so as to reduce the impact that korneforos bridge pier is developed to riverbank, reduction is washed away；The facility can
Rotate and inside is provided with rubber shock-absorbing pearl, be avoided that drift directly clashes into bridge pier, damping bouncing force in collision.With relevant affiliated facility phase
Than more practical and low cost, Standard are simple, and later stage repair and replacement are very quick.
By hydraulic model test simulate different pier types, the dynamic bed washed away under angle, velocity of approach and flow wash away with it is quiet
Bed washes away, and structure when passing through to bridge pier ambient water is analyzed, and bridge construction rear abutment pair is considered in the laying for drawing bridge opening
The impact of river bed change.Washing away mainly due to causing to wake flow after lower current and pier before pier, by this reality around bridge pier
With changing the direction of a stream of water and the horizontal tabula thin plate of setting for new design, just can block to lower current before pier, and can be by wake flow
Outwards passage, washes away so as to eliminate pier shaft ambient water, with scour depth and washes away the indexs such as scope to characterize, and at least can reduce
Channel scour around 40% bridge pier.
As shown in figure 1, bridge pier 8 above has pier front surface Yong Shui 1 in prior art, around pier shaft mainly pier is washed away
The U-vortex 5 that current 2 cause under forward direction, different pier types and flow velocity is larger to the range effects of wake flow 7, and can be formed and wash away
Hole 6.Particularly bridge pier 8 is forced is built on the deep line of river master, washes away scope and depth is bigger, affects bigger to riverbed 4.But
It is that existing bridge pier is cylinder, and does not adopt the special-shaped pier type for being conducive to current 3 to pass through, is to more efficiently construct.Therefore,
Consideration adheres to protection against erosion anticollision device, collision-prevention device of the present utility model to change the flow shape around pier shaft on original bridge pier, reduces punching
Brush.According to obtaining corresponding scour depth in hydraulic test, wash away scope and this is arranged to the understanding of the development law in riverbed
The protection against erosion anticollision device, collision-prevention device of utility model, is mainly used in the bridge pier of Height of Skew Bridges in Mountain Regions, and it meets stream direction, cut-off by adjust automatically
To principles such as lower current, energy dissipating energy-absorbings before pier, can reduce by 40% pier subsidence and energy anticollision.
The aggregate measures being attached in combination with anticollision using this protection against erosion on bridge pier, it is ensured that bridge pier structure it is safe
Simultaneously, it is ensured that the security reliability of the protective equipment self structure.Necessity should be carried out when using this protection against erosion anti-collision facility
Material property testing.By the geometrical arrangements for changing the size of V-structure, wall thickness, V-structure inner grid, it absorbs energy
The ability of amount can occur very big change.
When adhering to the facility as shown in Figure 2 and Figure 4 that the utility model is narrated on bridge pier, clear and definite bridge pier in river course
Position and span distribution, according to bridge using the importance of function, specify the local damage feelings of bridge structure holistic resistant behavior
Condition is guaranteeing the reliability and durability of the utility model device itself, and financial cost is relatively low.
The utility model can be especially attached on bridge pier significantly to meet with current as bridge pier integral type additional facilities
Stream direction rotates, and reduces resistance of the bridge pier to current, reduces and dynamic bed is washed away, and inner side concrete can be protected to prevent it from receiving in water
Floating thing clashes into.
This bridge pier affiliated facility is by parts such as V-type grating type device, rubber shock-absorbing pearl, resinous coat, horizontal diaphragm plates
Constitute.Bridge pier protection against erosion anti-collision facility described in the utility model, agent structure is V-type grating type, and itself has sufficient intensity
While, lighter in weight；The feed water flow that can accompany direction freely turns to minimum and blocks water position, is conducive to current to pass through；Stop pier
Current under forward direction, so as to effectively weaken the intensity and scope of U-vortex and wake flow；The facility can freely horizontally rotate and
There is rubber shock-absorbing pearl inside, can effectively reduce and shift the kinetic energy being delivered on bridge pier, so as to protect bridge pier structure；The facility
It is attached on bridge pier, makes self structure that there is enough stability and intensity.
Bridge pier protection against erosion anti-collision facility of the present utility model, enables to realize by a series of above-mentioned structures, and then subtracts
Few impact of the bridge pier to riverbed, reduction is washed away, and can prevent floating thing from clashing into, it is ensured that the normal of pier shaft self structure is used and resistance to
Long property.
The above implements example, is only better embodiment of the present utility model, not makees any to the utility model
Limit, every any simple modification above example formula made according to utility model works principle, change and wait
Effect change, still falls within protection domain of the present utility model.
Claims (7)
1. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device, it is characterised in that including the grating type dress being sleeved on bridge pier
Put (2-1), grating type device (2-1) is provided with some rubber shock-absorbing pearls (2-2) and bridge pier between, wherein, grating type device (2-
1) it is oppositely arranged by the device of two V-structures and is constituted, is arranged between the device inwall of V-structure and rubber shock-absorbing pearl (2-2)
There are some grids (2-5).
2. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device according to claim 1, it is characterised in that cover on bridge pier
Equipped with a ring device, some rubber shock-absorbing pearls (2-2) are arranged in ring device, and grating type device (2-1) is arranged on ring
Shape dress puts outside.
3. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device according to claim 2, it is characterised in that the annular
One layer of coating material (2-3) is provided between device and bridge pier.
4. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device according to claim 1, it is characterised in that the rubber
Spring (3-2) of the damping pearl (2-2) by internal layer rubber, outer layer rubber and between internal layer rubber and outer layer rubber is constituted.
5. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device according to claim 1, it is characterised in that grating type is filled
Put and the horizontal diaphragm plate (2-4) perpendicular with bridge pier is provided with (2-1).
6. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device according to claim 5, it is characterised in that the level
Diaphragm plate (2-4) is rectangle or circle.
7. a kind of Height of Skew Bridges in Mountain Regions bridge pier protection against erosion anticollision device, collision-prevention device according to claim 5, it is characterised in that the level
Diaphragm plate (2-4) is arranged near the dynamic water in river upper strata and lower floor's hydrostatic layering interfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218071.XU CN206157667U (en) | 2016-11-11 | 2016-11-11 | Mountain area skew bridge pier scour prevention buffer stop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621218071.XU CN206157667U (en) | 2016-11-11 | 2016-11-11 | Mountain area skew bridge pier scour prevention buffer stop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206157667U true CN206157667U (en) | 2017-05-10 |
Family
ID=58658662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621218071.XU Expired - Fee Related CN206157667U (en) | 2016-11-11 | 2016-11-11 | Mountain area skew bridge pier scour prevention buffer stop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206157667U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386102A (en) * | 2017-09-19 | 2017-11-24 | 芜湖铁路桥梁制造有限公司 | Anticollision device of pier |
| CN108487045A (en) * | 2018-02-06 | 2018-09-04 | 西南交通大学 | A kind of adaptive pier subsidence protective device |
| CN109338909A (en) * | 2018-11-20 | 2019-02-15 | 广东工业大学 | A kind of monoblock type bridge pier ruggedized construction and its construction method |
| CN109853605A (en) * | 2019-02-14 | 2019-06-07 | 中交第二航务工程局有限公司 | Exempt from the UHPC pile integral structure and construction method of cushion cap |
| CN111733686A (en) * | 2020-06-30 | 2020-10-02 | 黄河水利委员会黄河机械厂 | Layered pier air guide sleeve capable of clamping step by step |
| CN111764349A (en) * | 2020-06-30 | 2020-10-13 | 黄河水利委员会黄河机械厂 | Mounting method of pier diversion device |
| CN111910510A (en) * | 2020-07-20 | 2020-11-10 | 史娜娜 | Anti-seismic and anti-collision support for river channel bridge |
| CN112853942A (en) * | 2021-01-11 | 2021-05-28 | 大连理工大学 | Hinged rectifying plate for reducing water resistance of pier |
| CN113718822A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Scouring protection device for offshore wind power foundation |
| CN113811655A (en) * | 2020-10-10 | 2021-12-17 | 嘉兴金喜莱科技有限公司 | Pier protection structure and position angle calculation method thereof |
| CN114108706A (en) * | 2022-01-27 | 2022-03-01 | 中国海洋大学 | Marine foundation erodees multiple protection system |
| CN114622513A (en) * | 2022-01-21 | 2022-06-14 | 郑州大学 | Flow guiding device for bridge pier for reducing resistance and vortex and earthquake |
| CN114635391A (en) * | 2022-03-29 | 2022-06-17 | 长沙理工大学 | Pier protector and pier protection system |
-
2016
- 2016-11-11 CN CN201621218071.XU patent/CN206157667U/en not_active Expired - Fee Related
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107386102A (en) * | 2017-09-19 | 2017-11-24 | 芜湖铁路桥梁制造有限公司 | Anticollision device of pier |
| CN108487045A (en) * | 2018-02-06 | 2018-09-04 | 西南交通大学 | A kind of adaptive pier subsidence protective device |
| CN109338909A (en) * | 2018-11-20 | 2019-02-15 | 广东工业大学 | A kind of monoblock type bridge pier ruggedized construction and its construction method |
| CN109853605A (en) * | 2019-02-14 | 2019-06-07 | 中交第二航务工程局有限公司 | Exempt from the UHPC pile integral structure and construction method of cushion cap |
| CN109853605B (en) * | 2019-02-14 | 2023-11-03 | 中交第二航务工程局有限公司 | UHPC pile column integrated structure free of bearing platform and construction method |
| CN111733686B (en) * | 2020-06-30 | 2021-08-20 | 黄河水利委员会黄河机械厂 | Layered pier air guide sleeve capable of clamping step by step |
| CN111764349A (en) * | 2020-06-30 | 2020-10-13 | 黄河水利委员会黄河机械厂 | Mounting method of pier diversion device |
| CN111733686A (en) * | 2020-06-30 | 2020-10-02 | 黄河水利委员会黄河机械厂 | Layered pier air guide sleeve capable of clamping step by step |
| CN111910510A (en) * | 2020-07-20 | 2020-11-10 | 史娜娜 | Anti-seismic and anti-collision support for river channel bridge |
| WO2022073146A1 (en) * | 2020-10-10 | 2022-04-14 | 嘉兴金喜莱科技有限公司 | Bridge pier protection structure and position and angle calculation method therefor |
| CN113811655A (en) * | 2020-10-10 | 2021-12-17 | 嘉兴金喜莱科技有限公司 | Pier protection structure and position angle calculation method thereof |
| CN112853942A (en) * | 2021-01-11 | 2021-05-28 | 大连理工大学 | Hinged rectifying plate for reducing water resistance of pier |
| CN113718822A (en) * | 2021-09-16 | 2021-11-30 | 中国华能集团清洁能源技术研究院有限公司 | Scouring protection device for offshore wind power foundation |
| CN114622513A (en) * | 2022-01-21 | 2022-06-14 | 郑州大学 | Flow guiding device for bridge pier for reducing resistance and vortex and earthquake |
| CN114622513B (en) * | 2022-01-21 | 2024-01-19 | 郑州大学 | Pier guiding device is shaken in vortex reduction that reduces drag |
| CN114108706B (en) * | 2022-01-27 | 2022-04-15 | 中国海洋大学 | Marine foundation erodees multiple protection system |
| CN114108706A (en) * | 2022-01-27 | 2022-03-01 | 中国海洋大学 | Marine foundation erodees multiple protection system |
| CN114635391A (en) * | 2022-03-29 | 2022-06-17 | 长沙理工大学 | Pier protector and pier protection system |
| CN114635391B (en) * | 2022-03-29 | 2024-02-20 | 长沙理工大学 | Pier protector and pier protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20171111 |