CN203270454U - Mixed type pavement structure - Google Patents
Mixed type pavement structure Download PDFInfo
- Publication number
- CN203270454U CN203270454U CN2013202453083U CN201320245308U CN203270454U CN 203270454 U CN203270454 U CN 203270454U CN 2013202453083 U CN2013202453083 U CN 2013202453083U CN 201320245308 U CN201320245308 U CN 201320245308U CN 203270454 U CN203270454 U CN 203270454U
- Authority
- CN
- China
- Prior art keywords
- frp
- casing
- sidewalk
- mixed type
- road kerb
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Abstract
The utility model discloses a mixed type pavement structure, which comprises an FRP (Fiber Reinforced Plastic) pavement component, wherein the FRP pavement component adopts an integrated structure comprising a plurality of FRP box bodies; each FRP box body comprises an open FRP box body and a closed FRP box body; each open FRP box body is equipped with horizontal baffles inside and is filled with concrete; each closed FRP box body is filled with a joint filling agent; the bottom of the FRP pavement component is stuck to an FRP bridge floor waterproof layer through epoxy resin; an FRP anti-collision energy-dissipation box body is arranged on the near-driveway side of the pavement structure; the box body is filled with polyurethane foam joint filling agent. The mixed type pavement structure provided by the utility model adopts the integrated structure; as the FRP material is light in weight and high in tenacity, self-weight is reduced, and the anti-collision energy-dissipation and overall force-bearing performance of the pavement are increased.
Description
Technical field
The utility model relates to civil engineering bridge technology field, more particularly, relates to a kind of mixed type structure of sidewalk.
Background technology
Pedestrian way of bridge refers to specialize in bridge the part of walk.Pedestrian way of bridge is mated formation by road kerb, guardrail base, side walk slab, sidewalk and railing forms.Reinforced concrete structure is adopted on the prior art sidewalk more.Railing generally adopts steel concrete, and Partial Bridges adopts steel work.
Close runway marginal portion, sidewalk is road kerb, and road kerb is general high 25～40 centimetres, and wide 30 centimetres, road kerb is monolithic reinforced concrete structure, follows the track and vertically arranges.The sidewalk arranges pedestrian guard rail away from the runway outermost, and the pedestrian guard rail bottom arranges guardrail base, and railing is fixed on guardrail base, and guardrail base is general consistent with the height of road kerb, is 25～40 centimetres, and is wide 30 centimetres.Guardrail base is monolithic reinforced concrete structure, follows the track and vertically arranges.The prefabricated reinforced concrete side walk slab of thick 8 centimetres is set on road kerb and guardrail base, then layer leveling of mating formation on the cast-in-situ concrete sidewalk that side walk slab's upper surface is laid 2 cm thicks.
Major defect or the deficiency of pedestrian way of bridge prior art show:
(1) the general deadweight of reinforced concrete structure sidewalk and railing is larger.
(2) road kerb near runway, is reinforced concrete structure, the anticollision energy eliminating weak effect in traffic accident.
(3) prior art pedestrian way of bridge work progress is loaded down with trivial details, is difficult for realizing meticulous construction.
(4) the general job practices that adopts at bridge construction site prefabrication or cast-in-place construction in sidewalk.
The utility model content
For defective and the deficiency of prior art, the purpose of this utility model is to provide a kind of to be had from the good mixed type structure of sidewalk of heavy and light, anticollision energy eliminating and holistic resistant behavior.
A kind of mixed type structure of sidewalk provided by the utility model, comprise the sidewalk member, described sidewalk member is FRP sidewalk member, and described FRP sidewalk member is the overall structure that comprises a plurality of FRP casings, and described FRP casing comprises FRP opening casing and the FRP casing of remaining silent; The inside of described FRP opening casing is provided with diaphragm, and described FRP opening casing filler except the green area is concrete, and the filler in the described casing of remaining silent is gap filler.
Preferably, described FRP opening casing comprises the FRP casing of FRP road kerb casing, FRP guardrail base casing, FRP joint crossbeam casing and green area; The described FRP casing of remaining silent comprises FRP anticollision energy eliminating casing and middle part, FRP sidewalk casing; Described FRP anticollision energy eliminating casing is arranged at the left side of described FRP road kerb casing near runway edge, and middle part, described FRP sidewalk casing is arranged at the right side of described FRP road kerb casing; The right side of middle part, described FRP sidewalk casing is provided with described FRP guardrail base casing; Described FRP joint crossbeam casing is between the diaphragm of adjacent described FRP sidewalk component ends.
Preferably, described gap filler is cranny filler of polyurethane foam.
Preferably, concrete bridge deck is equipped with the FRP waterproofing course that comprises that FRP woven roving and the chopped felt of FRP solidify to form by adhering with epoxy resin, described FRP sidewalk member by adhering with epoxy resin on described FRP waterproofing course.
Preferably, described FRP road kerb casing, described FRP guardrail base casing and described FRP joint crossbeam box house are provided with distributing bar, and the road kerb dowel is fixedly connected with the distributing bar of described FRP road kerb casing; The guardrail base dowel is fixedly connected with the distributing bar of described FRP guardrail base casing; Joint crossbeam dowel is fixedly connected with the distributing bar of described FRP joint crossbeam casing.
Preferably, described FRP sidewalk member also comprises the FRP casing that is arranged at the green area, and the FRP casing of described green area is arranged at the right side of described FRP guardrail base casing.
Preferably, the FRP base plate of the FRP casing of described green area is provided with at least 2 spilled water holes, is provided with geo-grid and rubble french drain on the FRP base plate of described green area, described rubble french drain outsourcing geotextiles; Described FRP base plate is at interval of a spilled water hole, implants the geotextiles bundle in spilled water hole, and described geotextiles bundle lower end extends to the bottom in described greening retaining pond, and described geotextiles Shu Shangduan and described rubble french drain outsourcing geotextiles are connected.
In the utility model, the mixed type structure of sidewalk comprises FRP sidewalk member, and FRP sidewalk member is the overall structure that comprises a plurality of FRP casings, and the FRP casing comprises FRP opening casing and the inner FRP that the is filled with gap filler casing of remaining silent; The inside of FRP opening casing is provided with diaphragm, and the filler of FRP opening casing is concrete.Wherein the FRP material is fiberreinforced polymer english abbreviation, be fibre reinforced composites, the coefficient of expansion of this material is close with the concrete expanding coefficient, when but volume was identical, the weight ratio of FRP material was concrete lightweight, therefore, compare with the sidewalk equipment of available technology adopting steel concrete, adopt the FRP casing especially when the span on sidewalk is very large, the sidewalk member number is set when very large, will reduce to a great extent the deadweight on sidewalk.In the work progress of reality, some FRP case of remaining silent can replace Kerb of concrete in prior art, because FRP is a kind of toughness material, therefore compare with Kerb of concrete, the toughness of FRP road kerb is high, when bearing identical stress, the deformation of FRP road kerb is large, can the counter stress person of applying be that anticollision energy eliminating is good as the effect that automobile etc. plays buffering.Due to the good toughness of FRP casing, therefore can improve the whole stressed property of sidewalk member simultaneously.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of combined structure of sidewalk facade arrangement diagram in a kind of specific embodiment provided by the utility model;
Fig. 2 is the structural representation of structure of sidewalk layout plan shown in Figure 1;
Fig. 3 is the structural representation of the A-A sectional view of Fig. 1;
Fig. 4 is the structural representation of the B-B sectional view of Fig. 1;
Fig. 5 is the structural representation of the C-C sectional view of Fig. 3;
Fig. 6 is the structural representation of the D-D sectional view of Fig. 3;
Fig. 7 is the structural representation that cross section arrangement diagram after the FRP railing was banketed and installed in member green area, FRP sidewalk;
Fig. 8 is the structural representation of building cross section arrangement diagram after road kerb and guardrail base concrete in the member of FRP sidewalk;
Fig. 9 is the structural representation of cross section arrangement diagram after member installation location, FRP sidewalk and dowel construction are completed;
Figure 10 is the structural representation of cross section arrangement diagram after the member gap filler of FRP sidewalk;
Figure 11 is the structural representation that factory makes member cross section, FRP sidewalk arrangement diagram;
Wherein, in Fig. 1 to Figure 11:
11-FRP sidewalk member, 12-FRP anticollision energy eliminating casing, middle part, 13-FRP sidewalk casing, 14-road kerb dowel, 15-FRP road kerb casing, 16-guardrail base dowel, 17-FRP guardrail base casing, 18-FRP joint crossbeam casing, 19-FRP pedestrian guard rail, 110-green area, 111-greening retaining pond, 112-green plants, 113-FRP mat formation on the sidewalk, 114-joint crossbeam dowel, 115-FRP diaphragm, 116-rubble french drain, 117-geotextiles bundle.
The specific embodiment
It is a kind of from the good mixed type structure of sidewalk of heavy and light, anticollision energy eliminating and holistic resistant behavior that the purpose of this utility model is to provide.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
see also Fig. 1-11, the mixed type structure of sidewalk that the utility model embodiment provides, sidewalk member 11 is the overall structure that comprises a plurality of FRP casings, the FRP casing is divided into FRP opening casing and the FRP casing of remaining silent, wherein the FRP filler of remaining silent in case is gap filler, filler in FRP opening casing is concrete, setting position according to FRP opening casing, can be divided into FRP road kerb casing 15, FRP guardrail base casing 17, the FRP casing of FRP joint crossbeam casing 18 and green area 110, form the FRP-Kerb of concrete after fill concrete, FRP-concrete guardrail base, FRP-concrete joint crossbeam.The inside of FRP opening casing is provided with the multiple tracks diaphragm.FRP remains silent, and the setting position in the sidewalk is divided into FRP anticollision energy eliminating casing 12 and middle part, FRP sidewalk casing 13 to casing according to casing.Being formed by the FRP case excision top board of remaining silent of FRP opening box wherein, the sheet material of formation FRP casing is FRP sheet material.
When construction, FRP anticollision energy eliminating casing 12 is arranged at the left side of FRP road kerb casing 15 near runway edge, and middle part, FRP sidewalk casing 13 is arranged at the right side of FRP road kerb casing 15; The right side of middle part, FRP sidewalk casing 13 is provided with FRP guardrail base casing 17; FRP joint crossbeam casing 18 is between the end diaphragm 115 of adjacent two FRP sidewalk members 11.
Need to prove, in this specific embodiment, the sidewalk is on the right side of runway, and the sidewalk follows the track direction of advance extends, and is the left side near the direction of runway, is the right side away from the direction of runway.
Also need to prove, in this specific embodiment, gap filler is cranny filler of polyurethane foam, can certainly adopt the gap filler of other materials.
What also need to further illustrate is, diaphragm is FRP diaphragm 115 in this specific embodiment, 115 of adjacent FRP diaphragms be spaced apart 1 meter, can certainly determine distance between adjacent FRP diaphragm according to concrete condition of construction.
Further in scheme, concrete bridge deck is equipped with the chopped felt of FRP and the formed FRP waterproofing course of FRP woven roving, wherein the FRP woven roving is provided with two-layerly, is equipped with the chopped felt of one deck FRP between two-layer FRP woven roving, solidify to form the FRP waterproofing course by adhering with epoxy resin each other.Sidewalk member 11 by adhering with epoxy resin on the FRP waterproofing course.After the adhesion strength of epoxy resin reaches requirement, road kerb dowel 14, guardrail base dowel 16 and joint crossbeam dowel 114 are installed.The name of above-mentioned dowel is the name of carrying out according to its setting position, will be for the dowel called after road kerb dowel that is fixedly connected with FRP road kerb casing 15, will be for the dowel called after guardrail base dowel that is fixedly connected with FRP guardrail base casing 17, will be for the dowel called after joint crossbeam dowel that is fixedly connected with FRP joint crossbeam casing 18.FRP road kerb casing 15, be provided with distributing bar in FRP guardrail base casing 17 and FRP joint crossbeam casing 18, road kerb dowel 14, guardrail base dowel 16 is connected firmly with above-mentioned distributing bar is corresponding respectively with joint crossbeam dowel 114, being road kerb dowel 14 is fixedly connected with the distributing bar of FRP road kerb casing 15 inside, guardrail base dowel 16 is fixedly connected with the distributing bar of FRP guardrail base casing 17 inside, joint crossbeam dowel 114 is fixedly connected with the distributing bar of FRP joint crossbeam casing 18 inside, concreting again, form the composite construction of reinforced concrete structure and FRP structure, link with the bottom half epoxy bond to realize described FRP road kerb casing 15 by dowel, FRP guardrail base casing 17 and FRP joint crossbeam casing 18 are fixedly connected on bridge deck.
In this specific embodiment, after FRP sidewalk member 11 bottom part ring epoxy resins reach intensity, adopt the bar planting method that road kerb dowel 14, guardrail base dowel 16 and joint crossbeam dowel 114 are installed.One of bar planting method is simpler and more direct for concrete structure, effectively connect and anchoring; Implantable plain bars, also implantable bolt type dowel; Now be widely used in the strengthening and rebuilding engineering of building.When adopting the bar planting method to reinforce, usually adopt anchoring adhesive to carry out anchoring.
In scheme further, FRP sidewalk member also comprises green area 110, and green area 110 comprises FRP green area casing, and FRP green area casing is arranged at the outside of FRP guardrail base casing.The FRP base plate of FRP green area casing is provided with spilled water hole every 30 centimetres, and one deck geo-grid is set on the FRP base plate, then is provided with the rubble french drain 116 of thick 15 centimetres, rubble french drain 116 outsourcing geotextiles on the surface of geo-grid; The FRP base plate is at interval of a spilled water hole, implant geotextiles bundle 117 in spilled water hole, be to be spaced apart 60 centimetres between adjacent two spilled water holes that are provided with the geotextiles bundle, geotextiles bundle 117 lower ends extend to the bottom in greening retaining pond 111, and the geotextiles of geotextiles bundle 117 upper ends and the outsourcing of rubble french drain is connected.So form the retaining release structures that is formed by greening retaining pond 111, rubble french drain 116 outsourcing geotextiles and geotextiles bundle 117.
Need to prove, in this specific embodiment, the spacing of adjacent spilled water hole is 30 centimetres, and the distance of therefore implanting between the spilled water hole of geotextiles bundle is 60 centimetres, certainly, also can adopt according to the condition of production of reality other setting space.
In addition, in this specific embodiment, the Partial Height that FRP sidewalk member 11 is exposed to bridge floor is 50 centimetres, and the width of FRP anticollision energy eliminating casing 12, FRP-Kerb of concrete and FRP-concrete guardrail base is 30 centimetres.50 centimetres of the width of FRP-concrete joint crossbeam.Greening retaining pond 111 is highly 30 centimetres, and wide is 30 centimetres.50 centimetres of the green area height that is formed by FRP green area casing, wide 30 centimetres.All FRP tank walls are thick is the 3-4 millimeter.
A kind of following advantage of mixed type structure of sidewalk has overcome the deficiencies in the prior art:
(1) the sidewalk member is the overall architecture that a plurality of FRP casings form, the FRP material is fiber reinforced polymer english abbreviation, be fibre reinforced composites, the coefficient of expansion of this material is close with the concrete expanding coefficient, when but volume is identical, the weight ratio of FRP material is concrete lightweight, therefore, compare with the sidewalk of available technology adopting steel concrete, adopt the FRP casing especially when the span on sidewalk is very large, the sidewalk member number is set when very large, will reduce to a great extent the deadweight on sidewalk.
(2) FRP anticollision energy eliminating casing 12 and the interior equal filled polyurethane foam gap filler of FRP sidewalk middle part casing 13, because FRP is a kind of toughness material, therefore compare with Kerb of concrete, the toughness of FRP road kerb is high, when bearing identical stress, the deformation of FRP road kerb is large, can the counter stress person of applying be that anticollision energy eliminating is good as the effect that automobile etc. plays buffering.Further to improve the anticollision energy eliminating performance on sidewalk good by FRP anticollision energy eliminating casing is set simultaneously.
(3) with concrete, the FRP opening box is cast, form road kerb, the guardrail base of FRP-concrete composite structure and the joint crossbeam of FRP-concrete composite structure of FRP-concrete composite structure, this FRP-composite concrete structure stress performance is better than the stress performance of concrete structure.
(4) at the casing of the integral manufacturing FRP of factory sidewalk member 11, compare with prefabricated or cast-in-place sidewalk at the construction field (site), can realize industrialization, easy construction.
(5) in this specific embodiment detailed introduction the retaining release structures that is formed by greening retaining pond 111, rubble french drain 116 outsourcing geotextiles and geotextiles bundle 117, this afforests for bridge and the maintenance of retaining slowly-releasing provides method.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be apparent concerning those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. mixed type structure of sidewalk, comprise the sidewalk member, it is characterized in that, described sidewalk member is FRP sidewalk member (11), described FRP sidewalk member (11) is the overall structure that comprises a plurality of FRP casings, and described FRP casing comprises FRP opening casing and the FRP casing of remaining silent; The inside of described FRP opening casing is provided with diaphragm, and described FRP opening casing filler is concrete, is furnished with distributing bar in described concrete, and the filler in the described casing of remaining silent is gap filler.
2. mixed type structure of sidewalk according to claim 1, is characterized in that, described FRP opening casing comprises the FRP casing of FRP road kerb casing (15), FRP guardrail base casing (17), FRP joint crossbeam casing (18) and green area (110); The described FRP casing of remaining silent comprises FRP anticollision energy eliminating casing (12) and middle part, FRP sidewalk casing (13); Described FRP anticollision energy eliminating casing (12) is arranged at the left side of described FRP road kerb casing (15) near runway edge, and described FRP sidewalk middle part casing (13) is arranged at the right side of described FRP road kerb casing (15); The right side of described FRP sidewalk middle part casing (13) is provided with described FRP guardrail base casing (17); Described FRP joint crossbeam casing (18) is between the diaphragm of adjacent described FRP sidewalk component ends.
3. mixed type structure of sidewalk according to claim 1, is characterized in that, described gap filler is cranny filler of polyurethane foam.
4. mixed type structure of sidewalk according to claim 1, it is characterized in that, concrete bridge deck is equipped with the FRP waterproofing course that comprises that FRP woven roving and the chopped felt of FRP solidify to form by adhering with epoxy resin, described FRP sidewalk member (11) by adhering with epoxy resin on described FRP waterproofing course.
5. mixed type structure of sidewalk according to claim 2, it is characterized in that, described FRP road kerb casing (15), described FRP guardrail base casing (17) and described FRP joint crossbeam casing (18) inside are provided with distributing bar, and road kerb dowel (14) is fixedly connected with the distributing bar of described FRP road kerb casing (15); Guardrail base dowel (16) is fixedly connected with the distributing bar of described FRP guardrail base casing (17); Joint crossbeam dowel (114) is fixedly connected with the distributing bar of described FRP joint crossbeam casing (18).
6. mixed type structure of sidewalk according to claim 2, is characterized in that, also comprises the FRP casing that is arranged at green area (110), and the FRP casing of described green area (110) is arranged at the right side of described FRP guardrail base casing (17).
7. mixed type structure of sidewalk according to claim 6, it is characterized in that, the FRP base plate of the FRP casing of described green area (110) is provided with at least 2 spilled water holes, be provided with geo-grid and rubble french drain (116) on described FRP base plate, described rubble french drain (116) outsourcing geotextiles; Described FRP base plate is at interval of a spilled water hole, implant geotextiles bundle (117) in spilled water hole, described geotextiles bundle (117) lower end extends to the bottom in described greening retaining pond (111), and described geotextiles bundle (117) upper end and described rubble french drain (116) outsourcing geotextiles are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202453083U CN203270454U (en) | 2013-05-08 | 2013-05-08 | Mixed type pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202453083U CN203270454U (en) | 2013-05-08 | 2013-05-08 | Mixed type pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203270454U true CN203270454U (en) | 2013-11-06 |
Family
ID=49500895
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202453083U Withdrawn - After Issue CN203270454U (en) | 2013-05-08 | 2013-05-08 | Mixed type pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203270454U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225262A (en) * | 2013-05-08 | 2013-07-31 | 重庆交通大学 | Mixed type sidewalk structure and construction method thereof |
-
2013
- 2013-05-08 CN CN2013202453083U patent/CN203270454U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225262A (en) * | 2013-05-08 | 2013-07-31 | 重庆交通大学 | Mixed type sidewalk structure and construction method thereof |
| CN103225262B (en) * | 2013-05-08 | 2015-06-17 | 重庆交通大学 | Mixed type sidewalk structure and construction method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108374319B (en) | Lower-bearing type tied-arch bridge structural unit, arch bridge structure and construction method thereof | |
| CN101215819B (en) | Separated double-layer bridge-floor cable stayed bridge | |
| KR101633431B1 (en) | Expandable bridge sidewalk and it's construction method | |
| CN108867310A (en) | The short rib T beam bridge of pretensioning prestressed concrete and its construction method | |
| CN103233421B (en) | Pre-stressed concrete variable cross-section box girder bridge and construction method thereof | |
| CN105133493B (en) | Embedded track structure suitable for middle-span and small-span bridge and construction method | |
| CN206090275U (en) | Assembled rectangular concrete -filled steel tube makes up truss bridge | |
| CN110396919B (en) | Assembled steel structure-concrete combined bridge and construction method thereof | |
| CN203487487U (en) | Anti-collision guardrail structure | |
| CN203270454U (en) | Mixed type pavement structure | |
| CN103225262B (en) | Mixed type sidewalk structure and construction method thereof | |
| KR20090008070A (en) | A superstructure of a prefabricated bridge | |
| CN107313551A (en) | A kind of concrete prefabricated wallboard of steel bar girder and structural system and its construction method | |
| CN202000234U (en) | Tray type U-shaped reinforced subgrade structure | |
| CN207376945U (en) | A kind of concrete prefabricated wallboard of steel bar girder and structural system | |
| CN103578346A (en) | Teaching simulation structural body of simply-supported girder bridge | |
| CN106812244A (en) | The preparation method of the continuous superposed floor of precast beam, prefabricated PC and superstructure | |
| CN203393661U (en) | Anti-collision guardrail device of medial strip | |
| CN202081383U (en) | Temporary support used in construction striding over existing line bridge | |
| CN210737255U (en) | Box frame and reinforced concrete box frame road bed for road bed | |
| CN103334392B (en) | Highway spats wall and construction method thereof | |
| CN103306226B (en) | A kind of anticollision guardrail structure and construction method thereof | |
| CN203270434U (en) | Prestressed concrete box girder bridge with variable cross section | |
| CN208280414U (en) | A kind of steel skeleton hollow pre-fabricated panels | |
| CN208501468U (en) | Prefabricated assembled concrete structure leisure plank road |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131106 Effective date of abandoning: 20150617 |
|
| RGAV | Abandon patent right to avoid regrant |