CN108221644B - A kind of highway bridge shock bracket - Google Patents

A kind of highway bridge shock bracket Download PDF

Info

Publication number
CN108221644B
CN108221644B CN201810074950.7A CN201810074950A CN108221644B CN 108221644 B CN108221644 B CN 108221644B CN 201810074950 A CN201810074950 A CN 201810074950A CN 108221644 B CN108221644 B CN 108221644B
Authority
CN
China
Prior art keywords
fixedly connected
connecting column
highway
damping
support bar
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
Application number
CN201810074950.7A
Other languages
Chinese (zh)
Other versions
CN108221644A (en
Inventor
王晓瑜
王振峰
郝明瑞
赵朝勋
宋峰
王现方
田育民
马红莉
李文明
牛丹洁
魏志峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201810074950.7A priority Critical patent/CN108221644B/en
Publication of CN108221644A publication Critical patent/CN108221644A/en
Application granted granted Critical
Publication of CN108221644B publication Critical patent/CN108221644B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Vibration Dampers (AREA)

Abstract

The present invention relates to Highway bridge technique fields, and disclose a kind of highway bridge shock bracket, including highway ontology, the front and back of the highway bodies top is fixedly connected to support rod, the quantity of the support rod is 20-30, and it is to be placed equidistant between two adjacent support rods, is provided with the first damping between two adjacent support rods.After the damping that the present invention solves damping bearing of highway bridge is impacted, buffering effect is poor, not can be well protected bridge, is not easy to carry out using will cause the problem of endangering to the people and vehicle of traveling.The present invention passes through the elastic reaction of the buffer spring using annular setting, the interaction and decomposition of power, so that ripple elastic tube is shunk, first support bar and second support bar can be moved slightly, and it plays power to cancel out each other, so that the buffering effect of highway bridge shock bracket is more preferable, at the same be convenient for using, will not people to traveling and vehicle cause damages.

Description

A kind of highway bridge shock bracket
Technical field
The present invention relates to Highway bridge technique field, specially a kind of highway bridge shock bracket.
Background technique
Highway bridge is generally made of several majors such as roadbed, road surface, bridge, Tunnel Engineering and traffic engineering facilities.
Bridge pad is the important feature component for connecting bridge superstructure and substructure.It can be by bridge superstructure Counter-force and deformation (displacement and corner) reliably pass to bridge substructure, to make the actual loading situation and meter of structure The theoretical schema of calculation is consistent.Damping device has been used on bridge pad.
A kind of shock-absorbing bridge support disclosed in Chinese patent CN201720388458.8, including pontic, pontic bottom are solid The support column of Dingan County's dress, the lower surface of the pontic are fixedly installed with damping device, and the bottom of the damping device is fixedly mounted There is the supporting block with ground face contact, the damping device includes cage plate, and the two sides of the cage plate inner cavity are fixedly installed with shell, The bottom of the housing cavity is fixedly connected with the bottom end for squeezing spring, and the bottom end of the top for squeezing spring and connecting rod is solid Fixed connection, the top of the connecting rod, which sequentially passes through shell and cage plate and extends to the outside of cage plate and the lower surface of contact plate, to be consolidated It is fixed to connect, it is fixedly connected at the center of the contact plate lower surface with the top of connection strap, the bottom end of the connection strap passes through set It plate and extends to the inside of cage plate and is fixedly connected with the upper surface of transverse slat.
But Chinese patent CN201720388458.8 only has common cushioning effect, and damping bearing of highway bridge subtracts After shake is impacted, buffering effect is poor, not can be well protected bridge, is not easy to carry out using to the people and Che of traveling It will cause harm.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, it the present invention provides a kind of highway bridge shock bracket, solves highway bridge and subtracts After the damping of shake support is impacted, buffering effect is poor, not can be well protected bridge, is not easy to carry out using to row The people and vehicle sailed will cause the problem of endangering.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme: a kind of highway bridge shock bracket, including highway sheet Body, the front and back of the highway bodies top are fixedly connected to support column, and the quantity of the support column is 20-30, And it is to be placed equidistant between two adjacent support columns, is provided with the first damping between two adjacent support columns, The bottom of the highway ontology is fixedly connected with 5-8 shock ring, and the bottom of the shock ring inner wall is fixedly connected with second and subtracts Mechanism is shaken, is fixedly connected with buffer gear, the damping between the left and right sides Jun Yu highway ontology of the damping Bottom be fixedly connected with concrete bed.
First damping includes first support bar and second support bar, is offered between two adjacent support columns The infall of semi-spherical grooves, first support bar and second support bar is hinged by pin, first support bar and second support bar Both ends are fixedly connected to cushion, and the other end of the cushion is fixedly connected with buffering convex block, the buffering convex block and half It is fixedly connected with ripple elastic tube between spherical groove, is fixedly connected between buffering convex block and the semi-spherical grooves positioned at ripple bullet Buffer spring inside property pipe.
Second damping includes shock structure, and adjustable spring is fixedly connected at the top of the shock structure, described to subtract Shake column is internally provided with cavity, and the inside of cavity is filled with buffer layer.
The buffer gear includes the first connecting column and the second connecting column, top and the highway ontology of first connecting column Between be fixedly connected, be fixedly connected between the top and highway ontology of the second connecting column, and the first connecting column and second connection It is fixedly connected between column, the bottom of the first connecting column and the second connecting column is fixedly connected between shock structure, the first connecting column Positioned at the top of the second connecting column, the angle between the bottom and horizontal direction of the first connecting column is 45 degree, the second connection Angle between the bottom and horizontal direction of column is 60 degree, and is fixedly connected between the first connecting column and the second connecting column Z-shaped buffer board.
Preferably, connection stone, the top of the connection stone are fixedly connected at left and right sides of the concrete bed It is threaded with threaded connection nail.
Preferably, annular guard ring, the quantity of the annular guard ring are fixedly connected on the outer surface of the shock structure At least two, and be to be placed equidistant between two adjacent annular guard rings.
(3) beneficial effect
The present invention provides a kind of highway bridge shock brackets.Have it is following the utility model has the advantages that
(1), the present invention is by being arranged the first damping, first support bar, second support bar, semi-spherical grooves, pin, delaying Punching pad, buffering protrusion, ripple elastic tube and buffer spring utilize the buffering elastic of annular setting when by arbitrary power The elastic reaction of spring, the interaction and decomposition of power, so that ripple elastic tube is shunk, first support bar and second support bar can be with It is slight mobile, and play power and cancel out each other, so that the buffering effect of highway bridge shock bracket is more preferable, while being convenient for making With, will not people to traveling and vehicle cause damages.
(2), the present invention passes through the second damping of setting, shock structure, adjustable spring, buffer layer and annular guard ring, the The shock structure of two dampings is by the elastic reaction of adjustable spring, so that having damping function between adjustable spring and highway ontology Can, while the first damping has the function of buffering, so that the buffering of highway bridge shock bracket is imitated after encountering shock Fruit is more preferable, at the same be convenient for using, will not people to traveling and vehicle cause damages.
(3), the present invention is by setting buffer gear, the first connecting column, the second connecting column and Z-shaped buffer board, due to the Angle between one connecting column, the second connecting column and level is respectively 30 degree and 60 degree so that when stress, power with It cancels out each other between power support, so that keeping stablizing between highway ontology and shock structure, and plays power and cancel out each other, so that public The road and bridge buffering effect of beam shock bracket is more preferable, at the same be convenient for using, will not people to traveling and vehicle cause damages.
(4), the present invention by setting concrete bed, connection stone and is threadedly coupled nail, so that concrete bed and ground Also be connected through a screw thread nail connection between face, and strengthen stability, will not people to traveling and vehicle cause damages so that The highway bridge shock bracket has the effect of practicability enhancing.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is the schematic diagram of the section structure of the first damping of the invention;
Fig. 3 is the enlarged drawing in Fig. 2 at A;
Fig. 4 is the second damping structural schematic diagram of the invention;
Fig. 5 is buffer gear structural schematic diagram of the present invention;
Fig. 6 is concrete bed structural schematic diagram of the present invention.
In figure: 1 highway ontology, 2 support columns, 3 first dampings, 301 first support bars, 302 second support bars, 303 Semi-spherical grooves, 304 pins, 305 cushions, 306 buffering protrusions, 307 ripple elastic tubes, 308 buffer springs, 4 shock rings, 5 the Two dampings, 501 shock structures, 502 adjustable springs, 503 buffer layers, 504 annular guard rings, 6 buffer gears, 601 first connect Connect column, 602 second connecting columns, 603Z font buffer board, 7 concrete beds, 701 connection stones, 702 threaded connection nails.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the present invention provides a kind of technical solution: a kind of highway bridge shock bracket, including highway ontology 1, The front and back at 1 top of highway ontology is fixedly connected to support column 2, and the quantity of support column 2 is 20-30, and adjacent Two support columns 2 between be to be placed equidistant with, be provided with the first damping 3, highway sheet between two adjacent support columns 2 The bottom of body 1 is fixedly connected with 5-8 shock ring 4, and the bottom of 4 inner wall of shock ring is fixedly connected with the second damping 5, and second Buffer gear 6 is fixedly connected between the left and right sides Jun Yu highway ontology 1 of damping 5, the bottom of the second damping 5 is solid Surely it is connected with concrete bed 7.
As Figure 2-3, the first damping 3 include first support bar 301 and second support bar 302, adjacent two Offer semi-spherical grooves 303 between support column 2, the infall of first support bar 301 and second support bar 302 passes through pin 304 Hingedly, the both ends of first support bar 301 and second support bar 302 are fixedly connected to cushion 305, cushion 305 it is another End is fixedly connected with buffering convex block 306, buffers and is fixedly connected with ripple elastic tube 307 between convex block 306 and semi-spherical grooves 303, The buffer spring 308 being fixedly connected with inside ripple elastic tube 307 between buffering convex block 306 and semi-spherical grooves 303, passes through Be arranged the first damping 3, first support bar 301, second support bar 302, semi-spherical grooves 303, pin 304, cushion 305, Buffering protrusion 306, ripple elastic tube 307 and buffer spring 308 utilize the slow of annular setting when by arbitrary power The elastic reaction of spring 308, the interaction and decomposition of power are rushed, so that ripple elastic tube 307 is shunk, 301 He of first support bar Second support bar 302 can be moved slightly, and played power and cancelled out each other, so that the buffering effect of highway bridge shock bracket is more It is good, at the same be convenient for using, will not people to traveling and vehicle cause damages.
As shown in figure 4, the second damping 5 includes shock structure 501, the top of shock structure 501 is fixedly connected with flexible bullet Spring 502, shock structure 501 is internally provided with cavity, and the inside of cavity is filled with buffer layer 503, the appearance of shock structure 501 Annular guard ring 504, the quantity at least two of annular guard ring 504, and two adjacent annulars are fixedly connected on face It is to be placed equidistant between guard circle 504, by the way that the second damping 5, shock structure 501, adjustable spring 502, buffer layer is arranged 503 and annular guard ring 504, the shock structure 501 of the second damping 5 passes through the elastic reaction of adjustable spring 502, so that flexible There is shock-absorbing function, while the second damping 5 has buffering after encountering shock between spring 502 and highway ontology 1 Function so that the buffering effect of highway bridge shock bracket is more preferable, while being convenient for using will not people to traveling and vehicle It causes damages.
As shown in figure 5, buffer gear 6 includes the first connecting column 601 and the second connecting column 602, the top of the first connecting column 601 It is fixedly connected, is fixedly connected between the top and highway ontology 1 of the second connecting column 602, and first between Bu Yu highway ontology 1 Be fixedly connected between connecting column 601 and the second connecting column 602, the bottom of the first connecting column 601 and the second connecting column 602 with subtract It is fixedly connected between shake column 501, the first connecting column 601 is located at the top of the second connecting column 602, the bottom of the first connecting column 601 Angle between horizontal direction is 45 degree, and the angle between the bottom and horizontal direction of the second connecting column 602 is 60 Degree, and Z-shaped buffer board 603 is fixedly connected between the first connecting column 601 and the second connecting column 602, setting Z-shaped buffers Plate 603, so that the orthogonal plate in Z-shaped buffer board 603, can make when being shaken, mutual power Effect cancel out each other, will not people to form and vehicle cause damages, by setting buffer gear 6, the first connecting column 601, Second connecting column 602 and Z-shaped buffer board 603, due to the angle between the first connecting column 601, the second connecting column 602 and level Respectively 30 degree and 60 degree so that support of cancelling out each other when stress, between power and power so that highway ontology 1 with It keeps stablizing between shock structure 501, and plays power and cancel out each other, so that the buffering effect of highway bridge shock bracket is more preferable, Be convenient for simultaneously using, will not people to traveling and vehicle cause damages.
As shown in fig. 6, the left and right sides of concrete bed 7 is fixedly connected with connection stone 701, the top of stone 701 is connected Portion is threaded with threaded connection nail 702, by setting concrete bed 7, connection stone 701 and is threadedly coupled nail 702, so that It is also connected through a screw thread 702 connection of nail between concrete bed 7 and ground, and strengthens stability, it will not be to the people of traveling It causes damages with vehicle, so that the highway bridge shock bracket has the effect of practicability enhancing.
Can to sum up obtain, (1), the present invention by setting the first damping 3, first support bar 301, second support bar 302, Semi-spherical grooves 303, pin 304, cushion 305, buffering protrusion 306, ripple elastic tube 307 and buffer spring 308, are being taken office When the power of meaning, the elastic reaction of the buffer spring 308 of annular setting, the interaction and decomposition of power, so that ripple are utilized Elastic tube 307 is shunk, and first support bar 301 and second support bar 302 can be moved slightly, and played power and cancelled out each other, and be made Highway bridge shock bracket buffering effect it is more preferable, while be convenient for using, will not people to traveling and vehicle cause to endanger Evil.
(2), the present invention passes through the second damping 5 of setting, shock structure 501, adjustable spring 502, buffer layer 503 and annular Guard circle 504, the shock structure 501 of the second damping 5 pass through the elastic reaction of adjustable spring 502 so that adjustable spring 502 with There is shock-absorbing function, while the second damping 5 has the function of buffering after encountering shock between highway ontology 1, so that The buffering effect of highway bridge shock bracket is more preferable, at the same be convenient for using, will not people to traveling and vehicle cause damages.
(3), the present invention passes through setting buffer gear 6, the first connecting column 601, the second connecting column 602 and Z-shaped buffer board 603, since the angle between the first connecting column 601, the second connecting column 602 and level is respectively 30 degree and 60 degree, so that It cancels out each other when stress, between power and power support, so that keep stablizing between highway ontology 1 and shock structure 501, and It plays power to cancel out each other, so that the buffering effect of highway bridge shock bracket is more preferable, while be convenient for using will not be to traveling People and vehicle cause damages.
(4), the present invention by setting concrete bed 7, connection stone 701 and is threadedly coupled nail 702, so that concrete bottom Also be connected through a screw thread 702 connection of nail between seat 7 and ground, and strengthen stability, will not people to traveling and vehicle make At harm, so that the highway bridge shock bracket has the effect of practicability enhancing.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence " including a reference structure ", is not arranged Except there is also other identical elements in the process, method, article or apparatus that includes the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (3)

1. a kind of highway bridge shock bracket, including highway ontology (1), it is characterised in that: at the top of the highway ontology (1) just Face and the back side are fixedly connected to support column (2), and the quantity of the support column (2) is 20-30, and two adjacent supports Column is to be placed equidistant between (2), is provided with the first damping (3) between two adjacent support columns (2), the highway sheet The bottom of body (1) is fixedly connected with 5-8 shock ring (4), and the bottom of shock ring (4) inner wall is fixedly connected with the second damping Mechanism (5) is fixedly connected with buffer gear between the left and right sides Jun Yu highway ontology (1) of second damping (5) (6), the bottom of second damping (5) is fixedly connected with concrete bed (7);
First damping (3) includes first support bar (301) and second support bar (302), two adjacent support columns (2) it is offered between semi-spherical grooves (303), the infall of first support bar (301) and second support bar (302) passes through pin (304) hingedly, the both ends of first support bar (301) and second support bar (302) are fixedly connected to cushion (305), described The other end of cushion (305) is fixedly connected with buffering convex block (306), the buffering convex block (306) and semi-spherical grooves (303) it Between be fixedly connected with ripple elastic tube (307), be fixedly connected with position between the buffering convex block (306) and semi-spherical grooves (303) In the internal buffer spring (308) of ripple elastic tube (307);
Second damping (5) includes shock structure (501), is fixedly connected with flexible bullet at the top of the shock structure (501) Spring (502), the shock structure (501) is internally provided with cavity, and the inside of cavity is filled with buffer layer (503);
The buffer gear (6) includes the first connecting column (601) and the second connecting column (602), first connecting column (601) It is fixedly connected between top and highway ontology (1), is fixedly connected between the top and highway ontology (1) of the second connecting column (602), And it is fixedly connected between the first connecting column (601) and the second connecting column (602), the first connecting column (601) and the second connecting column (602) bottom is fixedly connected between shock structure (501), and the first connecting column (601) is located at the upper of the second connecting column (602) Side, the angle between the bottom and horizontal direction of the first connecting column (601) is 45 degree, the bottom of the second connecting column (602) Angle between horizontal direction is 60 degree, and is fixedly connected between the first connecting column (601) and the second connecting column (602) There are Z-shaped buffer board (603).
2. a kind of highway bridge shock bracket according to claim 1, it is characterised in that: the concrete bed (7) The left and right sides is fixedly connected with connection stone (701), and the screw top of connection stone (701) is connected with threaded connection nail (702)。
3. a kind of highway bridge shock bracket according to claim 1, it is characterised in that: outside the shock structure (501) It is fixedly connected on surface annular guard ring (504), the quantity at least two of the annular guard ring (504), and adjacent Two annular guard rings (504) between be to be placed equidistant with.
CN201810074950.7A 2018-01-26 2018-01-26 A kind of highway bridge shock bracket Expired - Fee Related CN108221644B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810074950.7A CN108221644B (en) 2018-01-26 2018-01-26 A kind of highway bridge shock bracket

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810074950.7A CN108221644B (en) 2018-01-26 2018-01-26 A kind of highway bridge shock bracket

Publications (2)

Publication Number Publication Date
CN108221644A CN108221644A (en) 2018-06-29
CN108221644B true CN108221644B (en) 2019-05-10

Family

ID=62668952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810074950.7A Expired - Fee Related CN108221644B (en) 2018-01-26 2018-01-26 A kind of highway bridge shock bracket

Country Status (1)

Country Link
CN (1) CN108221644B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109489573B (en) * 2018-10-22 2021-05-11 同济大学 Bridge beam supports disease detection device
CN109537436B (en) * 2018-11-29 2020-07-14 刘恒毅 Highway bridge vibration/noise reduction device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10111935C2 (en) * 2001-03-13 2003-07-03 Karl Gerhards Horizontal force bearings for bridges, especially for railway bridges
DE102010033159A1 (en) * 2010-08-03 2012-02-09 Db Netz Ag Device for supporting railway bridge, has calotte that pushes away sliding metal sheet at steel box which is secured in base plate through head bolt dowel, over lubricating layer
CN102364717A (en) * 2011-11-02 2012-02-29 无锡东南车辆科技有限公司 Buffer structure for mounting battery box for electric bicycle
CN203174802U (en) * 2013-04-08 2013-09-04 上海大学 Three-dimensional multi-frequency tuned mass damper
CN103233529B (en) * 2013-05-21 2015-07-29 上海大学 A kind of three-dimensional tuned mass damper device with draw-in groove
CN103541460B (en) * 2013-11-08 2016-01-20 同济大学 Novel tuning granular mass damper
CN205298370U (en) * 2015-12-31 2016-06-08 中国地震局工程力学研究所 Multiple harmonious mass damper damping device of overhead type
CN105421613B (en) * 2015-12-31 2017-08-25 中国地震局工程力学研究所 Rod-type tuned mass damper damping device

Also Published As

Publication number Publication date
CN108221644A (en) 2018-06-29

Similar Documents

Publication Publication Date Title
CN107780339A (en) A kind of road and bridge shock mount
CN205259390U (en) Isolation bearing structure of building
CN108221644B (en) A kind of highway bridge shock bracket
CN206721660U (en) A kind of shock-absorbing bridge support
CN109403497A (en) A kind of skyscraper shock insulation damping device
Monfared et al. An investigation into the seismic base isolation from practical perspective
CN202031196U (en) Anti-seismic building structure
CN103774767B (en) Combined type high-rise structure energy dissipation and shock absorption enhancement layer
CN202390930U (en) Vibration-absorbing and anti-collapsing support of staircase
CN206189251U (en) A straining beam structure for overpass double column pier
CN108452481A (en) A kind of suspended vibration-damping structure and method for treadmill
CN205557316U (en) Shock -absorbing bridge support
CN213418131U (en) Building earthquake-resistant structure
CN207469321U (en) A kind of Anti-quaking foundation structure
CN207904741U (en) A kind of bridge aseismic devices
CN107784917A (en) A kind of apparatus for demonstrating of simulant building thing shock insulation
CN206385446U (en) A kind of bridge Shockproof damping device
CN108867338A (en) A kind of bridge cushioning device
CN107604925B (en) A kind of hypogee antidetonation suspension device
CN103708162A (en) Goods storage rack
CN212358362U (en) Novel shock attenuation building structure
CN207254744U (en) A kind of color sand vibrating screen
CN208563136U (en) A kind of bridge strengthening device
CN203256752U (en) Subway foundation ditch fender structure
CN209010963U (en) A kind of bridge pad device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190510

Termination date: 20210126

CF01 Termination of patent right due to non-payment of annual fee