CN113356010B - Steel-concrete combined beam bridge capable of being installed quickly - Google Patents
Steel-concrete combined beam bridge capable of being installed quickly Download PDFInfo
- Publication number
- CN113356010B CN113356010B CN202110538595.6A CN202110538595A CN113356010B CN 113356010 B CN113356010 B CN 113356010B CN 202110538595 A CN202110538595 A CN 202110538595A CN 113356010 B CN113356010 B CN 113356010B
- Authority
- CN
- China
- Prior art keywords
- plate
- steel
- concrete
- plates
- fixedly connected
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 64
- 239000010959 steel Substances 0.000 claims abstract description 64
- 230000006835 compression Effects 0.000 claims abstract description 18
- 238000007906 compression Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000010276 construction Methods 0.000 claims abstract description 12
- 239000002131 composite material Substances 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D1/00—Bridges in general
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/30—Metal
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a steel-concrete combined beam bridge capable of being installed quickly, which comprises a beam bottom plate, wherein the corners of two sides of the upper surface of the beam bottom plate are fixedly connected with inclined transverse partition plates, the upper surface of each transverse partition plate is fixedly connected with a top plate, the upper surface of each top plate is lapped with a compression steel plate, the upper surface of each compression steel plate is provided with a concrete panel, and the interior of each concrete panel is fixedly connected with an installation plate. The invention also provides a construction method of the steel-concrete combined beam bridge capable of being installed quickly, which comprises the following steps: step one, prefabricating a steel box: and welding the beam bottom plate, the transverse partition plate, the top plate and the arc-shaped compression-resistant steel plate according to the size, and transporting to the site. According to the steel-concrete composite beam bridge capable of being rapidly installed and the construction method thereof, the top plate, the installation plate, the shear resistant studs, the fastening bolts, the T-shaped lap joint steel plates, the junction concrete plates and the connecting bolts are arranged, so that the structure which is prefabricated independently is convenient, the bolts are utilized to achieve rapid installation, and the construction period is effectively shortened.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a steel-concrete combined beam bridge capable of being installed quickly.
Background
With the accelerated development of economic construction in China, a plurality of large bridges are built in the last 30 years. The composite beam can fully exert the mechanical properties of two materials, namely steel and concrete, and is widely applied to bridge engineering at home and abroad.
At present, the steel-concrete combined beam bridge is formed by prefabricating and welding a steel structure and pouring concrete on the steel structure, and a certain period exists from the pouring of the concrete to the normal use, so that the purpose of rapid installation of the steel-concrete combined beam bridge cannot be realized, and the construction period is long.
The invention provides a steel-concrete combined beam bridge capable of being installed quickly.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a steel-concrete combined beam bridge capable of being installed quickly.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a steel-concrete combination beam bridge of rapid installation, including beam bottom plate, the equal fixedly connected with diaphragm of slope of upper surface both sides edge of beam bottom plate, the upper surface fixedly connected with roof of diaphragm, the upper surface overlap joint of roof has the profiled steel sheet, the upper surface of profiled steel sheet is provided with the concrete panel, the inside fixedly connected with mounting panel of concrete panel, and the lower fixed surface of mounting panel is connected with the shear bolt nail, the mounting hole has been seted up to the upper surface of roof, and the shear bolt nail runs through the inner wall of mounting hole and threaded connection has fastening bolt, the upper surface edge of concrete panel has seted up the recess, and the inner diapire overlap joint of recess has T shape overlap joint steel sheet, the upper surface of T shape overlap joint steel sheet is provided with concrete slab that crosses, the step face and the equal fixedly connected with connecting bolt of lower surface of T shape overlap joint steel sheet, and the one end of connecting bolt runs through concrete panel and profiled steel sheet respectively and threaded connection has coupling nut.
Preferably, two the opposite face fixedly connected with arc resistance to compression steel sheet of cross slab, the lower surface of arc resistance to compression steel sheet is rotated through the pivot and is connected with the bracing piece, and the bottom of bracing piece is rotated through pivot and cross slab and beam bottom plate intersection and is connected.
Preferably, the lower surface of the T-shaped lap joint steel plate and the lower surface of the profiled steel plate are located on the same horizontal plane, a connecting web plate is lapped on the lower surfaces of the T-shaped lap joint steel plate and the profiled steel plate, and a through hole matched with the connecting bolt is formed in the upper surface of the connecting web plate.
Preferably, the upper surface of the concrete panel and the upper surface of the junction concrete slab are located at the same horizontal plane.
The invention also provides a construction method of the steel-concrete composite beam bridge capable of being rapidly installed, which comprises the following steps:
step one, prefabricating a steel box: and welding the beam bottom plate, the transverse partition plate, the top plate and the arc-shaped compression-resistant steel plate according to the size, and transporting to the site.
Step two, concrete pouring: and respectively welding the T-shaped lap-joint steel plate, the connecting bolts, the mounting plate and the shear-resistant studs according to the sizes, then paving reinforcing steel bars on the profiled steel plate and the T-shaped lap-joint steel plate, arranging the mounting plate and the shear-resistant studs, then pouring concrete, and transporting to the site.
Step three, installation: fix a position roof beam bottom plate and roof earlier, then hoist concrete panel to utilize fastening bolt to fix, to will intersect concrete slab hoist and mount to between two concrete panels again, utilize coupling nut and connection web to install fixedly, and assemble into the beam bridge in proper order.
The invention has the following beneficial effects:
1. according to the steel-concrete combined beam bridge capable of being rapidly installed and the construction method thereof, the roof plate, the installation plate, the shear resistant studs, the fastening bolts, the T-shaped lap-joint steel plates, the intersection concrete plates and the connecting bolts are arranged, so that the structure which is prefabricated independently is convenient, the bolts are utilized to achieve rapid installation, the construction period is effectively shortened, and meanwhile, the T-shaped lap-joint steel plates and the intersection concrete plates are utilized to effectively reduce harm caused by thermal expansion and cold contraction of the combined beam bridge.
2. According to the steel-concrete combined beam bridge capable of being rapidly installed, the arc-shaped compression-resistant steel plates, the inclined transverse partition plates and the support rods are arranged, so that the ultimate bending resistance bearing capacity of the hogging moment area of the bridge can be effectively increased.
Drawings
FIG. 1 is a schematic front sectional view of a rapidly installed steel-concrete composite beam bridge according to the present invention;
FIG. 2 is a schematic side sectional view of a concrete deck of a rapidly installed steel-concrete composite girder bridge according to the present invention;
fig. 3 is an enlarged schematic view of a structure a in fig. 1 of a steel-concrete composite girder bridge for rapid installation according to the present invention.
In the figure: 1 beam bottom plate, 2 diaphragms, 3 top plates, 4 profiled steel sheets, 5 concrete panels, 6 mounting plates, 7 shear studs, 8 fastening bolts, 9T-shaped lap joint steel sheets, 10 intersection concrete plates, 11 connecting bolts, 12 connecting nuts, 13 arc compression-resistant steel sheets, 14 supporting rods and 15 connecting webs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-3, a steel-concrete composite beam bridge of rapid installation, including beam bottom plate 1, the equal fixedly connected with inclined cross slab 2 of upper surface both sides edge of beam bottom plate 1, the opposite face fixedly connected with arc resistance to compression steel sheet 13 of two cross slabs 2, the lower surface of arc resistance to compression steel sheet 13 is rotated through the pivot and is connected with bracing piece 14, and the bottom of bracing piece 14 rotates through pivot and cross slab 2 and beam bottom plate 1 intersection and is connected, through setting up arc resistance to compression steel sheet 13, inclined cross slab 2 and bracing piece 14, be convenient for effectual increase bridge hogging moment district limit bending resistance bearing capacity.
The upper surface fixedly connected with roof 3 of diaphragm 2, the upper surface overlap joint of roof 3 has profiled sheet 4, the joint groove with 4 adaptations of profiled sheet is seted up to the upper surface of roof 3, the upper surface of profiled sheet 4 is provided with concrete panel 5, concrete panel 5's inside fixedly connected with mounting panel 6, and the lower fixed surface of mounting panel 6 is connected with shear-resistant peg 7, the mounting hole has been seted up to the upper surface of roof 3, and shear-resistant peg 7 runs through the inner wall and the threaded connection of mounting hole has fastening bolt 8.
The upper surface edge of concrete panel 5 has seted up the recess, and the inner diapire overlap joint of recess has T shape overlap joint steel sheet 9,T shape overlap joint steel sheet 9's upper surface to be provided with intersection concrete slab 10, the upper surface of concrete panel 5 and the upper surface that intersects concrete slab 10 are located same horizontal plane, the equal fixedly connected with connecting bolt 11 of step face and the lower surface of T shape overlap joint steel sheet 9, and connecting bolt 11's one end runs through concrete panel 5 and profiled sheet 4 respectively and threaded connection has coupling nut 12, the lower surface of T shape overlap joint steel sheet 9 and the lower surface of profiled sheet 4 are located same horizontal plane, and the lower surface overlap joint of T shape overlap joint steel sheet 9 and profiled sheet 4 has web 15, web 15's upper surface sets up the through-hole with connecting bolt 11 adaptation.
The invention also provides a construction method of the steel-concrete composite beam bridge capable of being rapidly installed, which comprises the following steps:
step one, prefabricating a steel box: welding the beam bottom plate 1, the diaphragm plate 2, the top plate 3 and the arc compression-resistant steel plate 13 according to the size, and transporting to the site;
step two, concrete pouring: respectively welding the T-shaped lap steel plate 9 and the connecting bolt 11 as well as the mounting plate 6 and the shear-resistant stud 7 according to the size, then laying reinforcing steel bars on the profiled steel plate 4 and the T-shaped lap steel plate 9, arranging the mounting plate 6 and the shear-resistant stud 7, then carrying out concrete pouring, and transporting to the site;
step three, installation: fix a position earlier roof beam bottom plate 1 and roof 3, then hoist concrete panel 5 to utilize fastening bolt 8 to fix, to intersect concrete slab 10 hoist to between two concrete panel 5 again, utilize coupling nut 12 and connection web 15 to install fixedly, and assemble into the girder bridge in proper order.
According to the invention, the top plate 3, the mounting plate 6, the shear-resistant studs 7, the fastening bolts 8, the T-shaped lapping steel plates 9, the intersection concrete plates 10 and the connecting bolts 11 are arranged, so that a single prefabricated structure is facilitated, and quick mounting is realized by using the bolts, so that the construction period is effectively shortened, and meanwhile, the damage caused by thermal expansion and cold contraction of the composite beam bridge is effectively reduced by using the T-shaped lapping steel plates 9 and the intersection concrete plates 10.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. A steel-concrete composite beam bridge of rapid installation, includes beam bottom plate (1), its characterized in that: the concrete beam is characterized in that the corners of two sides of the upper surface of the beam bottom plate (1) are fixedly connected with inclined transverse partition plates (2), the upper surface of each transverse partition plate (2) is fixedly connected with a top plate (3), the upper surface of each top plate (3) is lapped with a compression steel plate (4), the upper surface of each compression steel plate (4) is provided with a concrete panel (5), the inner part of each concrete panel (5) is fixedly connected with a mounting plate (6), the lower surface of each mounting plate (6) is fixedly connected with a shear-resistant stud (7), the upper surface of each top plate (3) is provided with a mounting hole, each shear-resistant stud (7) penetrates through the inner wall of each mounting hole and is in threaded connection with a fastening bolt (8), the corners of the upper surface of each concrete panel (5) are provided with grooves, the inner bottom walls of the grooves are lapped with T-shaped lap-joint steel plates (9), the upper surface of each T-shaped lap-joint steel plate (9) is provided with an intersection concrete slab (10), the step surfaces and the lower surfaces of the T-shaped lap-joint steel plates (9) are both fixedly connected with connecting bolts (11), and one ends of the connecting bolts (11) respectively penetrate through the concrete panels (5) and the compression steel plates (4) and are in threaded connection nuts (12);
the opposite surfaces of the two diaphragm plates (2) are fixedly connected with arc-shaped compression-resistant steel plates (13), the lower surfaces of the arc-shaped compression-resistant steel plates (13) are rotatably connected with supporting rods (14) through rotating shafts, and the bottom ends of the supporting rods (14) are rotatably connected with the intersection of the diaphragm plates (2) and the beam bottom plate (1) through the rotating shafts;
the lower surfaces of the T-shaped lap joint steel plates (9) and the profiled steel plates (4) are positioned on the same horizontal plane, the lower surfaces of the T-shaped lap joint steel plates (9) and the profiled steel plates (4) are lapped with connecting webs (15), and the upper surfaces of the connecting webs (15) are provided with through holes matched with the connecting bolts (11);
the upper surface of the concrete panel (5) and the upper surface of the junction concrete slab (10) are positioned on the same horizontal plane.
2. The construction method of a rapidly installed steel-concrete composite girder bridge according to claim 1, comprising the steps of:
step one, prefabricating a steel box: welding the beam bottom plate (1), the diaphragm plate (2), the top plate (3) and the arc compression-resistant steel plate (13) according to the size, and transporting to the site;
step two, concrete pouring: respectively welding the T-shaped lap joint steel plate (9) and the connecting bolt (11) as well as the mounting plate (6) and the shear-resistant stud (7) according to the size, then laying steel bars on the profiled steel plate (4) and the T-shaped lap joint steel plate (9), arranging the mounting plate (6) and the shear-resistant stud (7), then pouring concrete, and transporting to the site;
step three, installation: fix a position beam bottom plate (1) and roof (3) earlier, then hoist concrete panel (5) to utilize fastening bolt (8) to fix, hoist concrete slab (10) that will intersect to between two concrete panel (5), utilize coupling nut (12) and connection web (15) to install fixedly, and assemble into the beam bridge in proper order.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110538595.6A CN113356010B (en) | 2021-05-15 | 2021-05-15 | Steel-concrete combined beam bridge capable of being installed quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110538595.6A CN113356010B (en) | 2021-05-15 | 2021-05-15 | Steel-concrete combined beam bridge capable of being installed quickly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113356010A CN113356010A (en) | 2021-09-07 |
| CN113356010B true CN113356010B (en) | 2023-01-06 |
Family
ID=77526979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110538595.6A Expired - Fee Related CN113356010B (en) | 2021-05-15 | 2021-05-15 | Steel-concrete combined beam bridge capable of being installed quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113356010B (en) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100950027B1 (en) * | 2009-12-04 | 2010-03-29 | 영창중공업 주식회사 | Composite girder for bridge |
| CN102418313B (en) * | 2011-09-30 | 2014-01-29 | 李勇 | Polycarbonate (PC) composite bridge with corrugated steel webs and construction method for PC composite bridge |
| CN203547016U (en) * | 2013-10-22 | 2014-04-16 | 湖北弘毅建设有限公司 | Prestressed profile steel base type T-shaped steel reinforced concrete composite beam |
| CN105696453B (en) * | 2014-11-26 | 2017-08-25 | 郑州大学 | A kind of steel-concrete combination beam |
| CN208379412U (en) * | 2018-05-15 | 2019-01-15 | 中南林业科技大学 | A kind of steel-ultra-high performance concrete continuous combined case beam |
| CN108894431A (en) * | 2018-07-26 | 2018-11-27 | 广西大学 | Friction shear resisting fashioned iron-precast concrete combination beam preparation and its construction method |
| CN109457590A (en) * | 2018-12-21 | 2019-03-12 | 兰州交通大学 | A kind of no templating assembled Wavelike steel webplate steel-mixes composite beam bridge and construction method |
| CN110359353A (en) * | 2019-06-14 | 2019-10-22 | 东南大学 | A kind of Steel-concrete Combined Beam Structures |
| CN110424242A (en) * | 2019-07-26 | 2019-11-08 | 甘肃路桥建设集团有限公司 | Assembled Wavelike steel webplate steel reinforced concrete composite beam bridge and construction method |
| CN110886191A (en) * | 2019-11-22 | 2020-03-17 | 西南交通大学 | Prestressed concrete-steel composite beam and preparation method thereof |
| CN111254801A (en) * | 2020-03-31 | 2020-06-09 | 湖南省交通规划勘察设计院有限公司 | Low-shrinkage bridge structure in hogging moment area and construction method thereof |
| CN112267569A (en) * | 2020-11-11 | 2021-01-26 | 吉林建筑科技学院 | Connecting joint of steel column top and profiled steel plate concrete composite slab and construction method |
-
2021
- 2021-05-15 CN CN202110538595.6A patent/CN113356010B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN113356010A (en) | 2021-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109372187B (en) | Frame system containing assembled concrete-filled steel tube combined special-shaped column and energy-dissipating steel plate wall | |
| CN108951962A (en) | A kind of autoclaved aerated concrete slab exterior wall and construction method | |
| WO2016004887A1 (en) | Lightweight steel structure residential framework system | |
| CN113482208B (en) | Dry-wet combined connecting structure of precast concrete floor slab and construction method | |
| CN111236529B (en) | Prefabricated mutually-buckled type externally-hung heat-insulation wallboard system and installation method | |
| CN113356349A (en) | Assembled frame structure system | |
| CN103397700A (en) | Connection structure of building composite floor slab and steel tube shear wall | |
| CN113833190A (en) | Full prefabricated floor slab, connection node structure thereof and assembled building structure | |
| CN219622069U (en) | Assembled light steel strip hollow steel bar truss concrete strip superposed two-way floor slab | |
| CN111749364A (en) | Assembly type composite wall based on C-shaped steel and construction method thereof | |
| CN113356010B (en) | Steel-concrete combined beam bridge capable of being installed quickly | |
| CN114658141B (en) | T-shaped constructional column and independent foundation connection structure of assembled composite wallboard and manufacturing method | |
| CN216195711U (en) | Unit prefabricated shear wall with edge being steel-concrete combined component | |
| CN213683353U (en) | Thin-wall steel-concrete-light steel combined structure house system | |
| CN212772980U (en) | Assembled composite wall based on C shaped steel | |
| CN213539881U (en) | Steel core concrete column H type roof beam supports pi combination formula center pillar bottom node | |
| CN111663696A (en) | Formwork-free self-bearing prefabricated rib beam concrete hollow laminated slab | |
| CN113356371A (en) | Construction method of assembled frame structure system | |
| CN113802723A (en) | Assembled shear force wall connection structure | |
| CN112064850A (en) | Truss floor plate | |
| CN112922207A (en) | Concrete one-way laminated slab with exposed slab net frame at bottom | |
| CN207905160U (en) | A kind of bindiny mechanism at prefabricated buildings corner | |
| CN212534742U (en) | Formwork-free self-bearing prefabricated rib beam concrete hollow laminated slab | |
| CN115262832B (en) | Bolt connection assembled reinforced concrete two-way rib heat-insulation floor system | |
| CN213390584U (en) | Connecting structure of steel form concrete combined wall and prefabricated slab |
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: 20230106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |