CN113481852A - Bridge wet joint formwork system capable of being continuously constructed - Google Patents
Bridge wet joint formwork system capable of being continuously constructed Download PDFInfo
- Publication number
- CN113481852A CN113481852A CN202110667029.5A CN202110667029A CN113481852A CN 113481852 A CN113481852 A CN 113481852A CN 202110667029 A CN202110667029 A CN 202110667029A CN 113481852 A CN113481852 A CN 113481852A
- Authority
- CN
- China
- Prior art keywords
- template
- formwork
- bridge
- support
- fastening
- 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.)
- Pending
Links
- 238000009415 formwork Methods 0.000 title claims abstract description 65
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 238000010276 construction Methods 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 3
- 230000007306 turnover Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 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
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Abstract
The utility model provides a wet seam template system of bridge that can be under construction in succession, includes two formwork support longerons, a plurality of formwork support crossbeams, a plurality of split heads, fastening crossbeam, its characterized in that: the two template support longitudinal beams are arranged in parallel, the template support cross beams are arranged below the longitudinal beams at equal intervals, the split heads are steel bar supports manufactured by processing steel bars with the diameter of 2.5cm, the fastening cross beams are square steel with the diameter of 5 multiplied by 5cm, through holes are formed in the two ends of the fastening cross beams, screw rods are movably arranged in the through holes, hooks are arranged at the bottom ends of the screw rods, and nuts are arranged at the upper portions of the screw rods; wherein: the two ends of the template bracket are provided with lifting earrings and bracket rotating hinges. The continuously constructed wet bridge joint formwork system has the advantages of simple structure, convenient manufacture, safe and reliable engineering quality, low cost, wide applicability, high efficiency, continuous construction, engineering cost saving to the maximum extent, construction period shortening and high popularization value.
Description
Technical Field
The invention relates to a template system, in particular to a bridge wet joint template system capable of being continuously constructed.
Background
The wet bridge joint is a key project for ensuring effective connection of all beam pieces in bridge deck system construction, the common construction adopts suspended formwork construction, after the construction is finished, a formwork is suspended below a bridge and is recycled, when the construction method is used for river-crossing and deep valley-crossing construction, the general construction method shows great limitation, the turnover time between sections is greatly prolonged, the efficiency is low, and extra mechanical investment is required. Meanwhile, in order to reduce the weight of the template and facilitate hoisting, the wet joint template usually adopts a wood template, the appearance quality of the formed wet joint is poor after the turnover frequency of the template is too much, and the integral appearance quality of the bridge is greatly influenced during the construction of the urban-crossing road.
Chinese patent CN209816663U discloses a prefabricated box girder or T-beam wing plate wet joint formwork device in 2019, 12 and 20, which includes a vertical split-draw bar, an upper longitudinal ridge, an upper transverse ridge, a bottom formwork, a lower longitudinal ridge and a lower transverse ridge, wherein the bottom formwork is abutted against the lower surface of the prefabricated girder and is located below the wet joint, the lower longitudinal ridge is supported on the lower surface of the bottom formwork, the lower transverse ridge is supported on the lower surface of the lower longitudinal ridge, the upper surfaces of the prefabricated girders at both sides of the wet joint are respectively provided with the upper longitudinal ridge, the upper longitudinal ridge is supported by the upper longitudinal ridges at both sides, the vertical split-draw bar passes through the upper longitudinal ridge, the wet joint, the bottom formwork and the lower transverse ridge and is fastened to make the upper longitudinal ridge and the lower transverse ridge mutually tensioned, a support gasket is fixed on the vertical split-draw bar, the upper surface of the bottom formwork is provided with a groove matched with the support gasket, and the support gasket is supported in the groove of the bottom formwork. Although the technical scheme has higher turnover performance and economical efficiency, the adopted wood template is inevitably damaged and deformed after being turned over for multiple times, so that the overall appearance quality of the bridge is influenced.
Known wet joint formwork systems therefore suffer from the various inconveniences and problems described above.
Disclosure of Invention
The invention aims to provide a safe and reliable bridge wet joint formwork system capable of realizing continuous construction.
In order to achieve the purpose, the technical solution of the invention is as follows:
the utility model provides a wet seam template system of bridge that can be under construction in succession, includes two formwork support longerons, a plurality of formwork support crossbeams, a plurality of split heads, fastening crossbeam, its characterized in that:
the two template support longitudinal beams are arranged in parallel, the parallel distance is set according to the width of a wet joint of the bridge, the template support longitudinal beams are made of 5 x 5cm square steel, and the length of each longitudinal beam is designed according to the length of a segment;
the template support cross beams are arranged below the longitudinal beams at equal intervals, the cross beam material is the same as that of the longitudinal beams, and the template support cross beams and the template support longitudinal beams are fixedly welded to form the template support; the upper surface of the template bracket is provided with a bottom template through bolt connection; holes with the diameter of 2cm are arranged at the corresponding positions of the corner ends of the bottom template, so that fastening steel wires can conveniently penetrate through the holes;
the split heads are arranged at two sides of a wet joint at the top of the beam in pairs so that the supporting legs are supported on the upper surface of the bridge, and the number of the split heads corresponds to the number of the templates;
the fastening cross beam is made of 5 x 5cm square steel, through holes are formed in two ends of the fastening cross beam, a screw is movably arranged in each through hole, a hook is arranged at the bottom end of each screw, and a nut is arranged at the upper part of each screw; the fastening cross beam is bridged on a pair of split heads which are correspondingly arranged;
wherein: lifting lugs and support rotating hinges are arranged at two ends of the template support, and the lifting lugs are respectively arranged on the upper surface and the lower surface of the center of a template support beam at the end part of the template support; the length of the hinge is larger than the thickness of the two template supports, so that the two template supports can conveniently rotate in the end part movable connection; the upper part of the bridge and the lower part of the bridge in the whole bridge wet joint template system are connected through a fastening steel wire rope, one end of the fastening steel wire rope is connected with a hook of a screw rod, the hook penetrates through a hole at the corner end of the bottom template and then is connected with lifting earrings at two ends of the template support, and a nut rotates to fasten the steel wire rope to fasten the bridge wet joint template.
The continuously constructed wet bridge joint formwork system can be further realized by adopting the following technical measures.
The aforementioned bridge wet joint formwork system capable of continuous construction, wherein the bottom formwork is an aluminum formwork.
In the aforementioned bridge wet joint formwork system capable of continuous construction, the split heads are processed by steel bars with a diameter of 2.5cm, and the split heads have a height of 20 cm.
The two formwork supports are of the same structure, the two formwork supports are used as a group of the formwork system, a group of concrete is poured to complete step-by-step loosening of the fastening screw rod from the middle to one side, the bottom formwork is pulled out from the side and then installed on the other formwork, the above operations are repeated until the bottom formwork is completely installed on the second formwork support, the steel wire rope on the lifting lug is slowly released, the steel wire rope on the other side is lifted, the first formwork rotates to the position below the second formwork around the hinge, and the other end of the first formwork rotates to the next construction section after the hinge is fixed.
After the technical scheme is adopted, the bridge wet joint formwork system capable of being continuously constructed has the following advantages:
1. the template system has simple structure and convenient manufacture;
2. the engineering quality is safe and reliable, the cost is low, the applicability is wide, the efficiency is high, and the popularization value is high;
3. the construction can be carried out continuously, the engineering cost is saved to the greatest extent, and the construction period is shortened.
Drawings
FIG. 1 is a schematic structural diagram of a bridge wet joint formwork system according to an embodiment of the present invention;
fig. 2 is a schematic plan view of fig. 1.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
Example 1
The invention discloses a bridge wet joint formwork system capable of being continuously constructed.
Referring now to fig. 1 and 2, fig. 1 is a schematic structural diagram of a wet bridge joint formwork system according to an embodiment of the present invention, and fig. 2 is a schematic plan view of fig. 1. As shown in the figure, the two template support longitudinal beams are arranged in parallel, the parallel distance is set according to the width of a wet joint of a bridge 9, the template support longitudinal beams are made of 5 x 5cm square steel, and the length of each longitudinal beam is designed according to the length of a segment;
7 template support cross beams 2 are arranged below the longitudinal beams at equal intervals, the cross beam material is the same as that of the longitudinal beams, and the template support cross beams and the template support longitudinal beams are fixedly welded to form a template support; the upper surface of the template bracket is provided with a bottom template through bolt connection; holes with the diameter of 2cm are arranged at the corresponding positions of the corner ends of the bottom template, so that fastening steel wires can conveniently penetrate through the holes; the bottom template is an aluminum template.
The split heads are arranged at two sides of a wet joint at the top of the beam in pairs so that the supporting legs are supported on the upper surface of the bridge, and the number of the split heads corresponds to the number of the templates; the split heads are formed by processing reinforcing steel bars with the diameter of 2.5cm, and the height of the split heads is 20 cm.
The fastening cross beam is made of 5 x 5cm square steel, through holes are formed in two ends of the fastening cross beam, a screw is movably arranged in each through hole, a hook is arranged at the bottom end of each screw, and a nut is arranged at the upper part of each screw; the fastening cross beam is bridged on a pair of split heads which are correspondingly arranged;
wherein: lifting lugs 8 and a support rotating hinge 3 are arranged at two ends of the template support, and the lifting lugs are respectively arranged on the upper surface and the lower surface of the center of a template support beam at the end part of the template support; the length of the hinge is larger than the thickness of the two template supports, so that the two template supports can conveniently rotate in the end part movable connection; the upper part of the bridge and the lower part of the bridge in the whole bridge wet joint template system are connected through a fastening steel wire rope, one end of the fastening steel wire rope is connected with a hook of a screw rod, the hook penetrates through a hole at the corner end of the bottom template and then is connected with lifting earrings at two ends of the template support, and a nut rotates to fasten the steel wire rope to fasten the bridge wet joint template. The two formwork supports are identical in structure, the formwork system takes the two formwork supports as a group, a group of concrete is poured to finish step-by-step loosening of a fastening screw rod from the middle to one side, meanwhile, the bottom formwork is pulled out from the side and then installed on the other formwork, the above operations are repeated until the bottom formwork is completely installed on the second formwork support, the steel wire rope on the lifting lug is slowly lowered, the steel wire rope on the lifting lug on the other side is lifted, the first formwork is rotated to the position below the second formwork support around the hinge, and the other end of the first formwork is fixed and then rotated to the next construction section.
Example 2
The invention discloses a method for manufacturing a bridge wet joint template system capable of being continuously constructed, which comprises the following steps:
the template support longitudinal beam 1 of the bridge wet joint template system capable of being continuously constructed adopts 5 multiplied by 5cm square steel, 5 cm-length notches are machined at two ends of the square steel, hinges 3 are conveniently installed, a template support cross beam 2 is installed on the template support longitudinal beam, fillet welding is adopted between the cross beam and the longitudinal beam, the welding quality is strictly controlled in the welding process, and the integral strength of main stress components of the template support is ensured to meet the requirements.
The total length of the hinge 3 is 15cm, two ends of the hinge are hinged to the template support longitudinal beams, two template supports can rotate freely, lifting lugs 8 with the diameter of 5cm are installed on the cross beam and are welded to the upper surface and the lower surface of the support cross beam respectively, one side of each lifting lug is used for issuing a template system, and the other side of each lifting lug is used for lifting the template system.
The whole formwork system beam upper part adopts split heads, fastening crossbeam 6 and fastening screw and nut to constitute, is connected through the fastening steel wire with the roof beam lower part on whole fastening system middle beam, and the split heads adopts diameter 2.5cm steel bar welding preparation, split heads height 20X 20cm cube, and the fastening crossbeam adopts 5X 5cm square steel preparation, opens diameter 2.0cm round hole on the square steel, and the square steel should have sufficient intensity can bear the dead weight of system and concrete.
The fastening screw 7 is formed by processing a steel bar with the diameter of 2.0cm, one end of the steel bar is threaded by a threading machine, one section of the steel bar is made into a hook and fixed with the fastening steel wire, and the whole template system is connected up and down through the fastening steel wire.
The invention relates to a bridge wet joint template system notice item capable of continuous construction, which comprises the following steps:
1) the overall formwork system should not be excessively heavy.
2) The connection between the hinges and also the stringers should be checked regularly to prevent difficult rotation.
Example 3
The invention discloses a method for using a bridge wet joint template system capable of being continuously constructed, which comprises the following steps: two pieces of the template system are in a group, a group of concrete is poured to finish the step-by-step loosening of the fastening screw rod from the middle to one side, the template is simultaneously taken out from the side and then installed on the other piece, the operations are repeated until the template is completely installed on the second piece of support, the steel wire rope on the lifting lug is slowly lowered and lifted while the steel wire rope on the lifting lug on the other side is lifted, the first piece of support is rotated to the position below the second piece of support around the hinge, and the other end of the hinge is fixed and then rotated to the next construction section.
The invention has substantive characteristics and obvious technical progress, and the bridge wet joint template system capable of continuous construction skillfully solves the practical problems in a simple and feasible mode: the invention has simple structure and manufacture, low cost, wide applicability and high efficiency, saves the engineering cost to the maximum extent and shortens the construction period at the same time. Compared with the traditional construction method, the method has higher popularization value.
The bridge wet joint template system capable of being continuously constructed is applied to a reconstruction project of a prefecture G234 urban district. The reconstruction project of the G234 city district in leaf county is designed as an I-level highway, the length of the whole line is 25Km, the whole line is provided with 4 bridges, 10 bridges and 55 culverts, the method greatly accelerates the construction speed of the wet joints of the river-crossing bridges on site, improves the overall appearance of concrete, and ensures that a construction unit, a supervision unit and a quality supervision station are sufficient.
The above embodiments are provided only for illustrating the present invention and not for limiting the present invention, and those skilled in the art can make various changes or modifications without departing from the spirit and scope of the present invention. Accordingly, all equivalents are intended to fall within the scope of the invention, which is defined in the claims.
Claims (4)
1. The utility model provides a wet seam template system of bridge that can be under construction in succession, includes two formwork support longerons, a plurality of formwork support crossbeams, a plurality of split heads, fastening crossbeam, its characterized in that:
the two template support longitudinal beams are arranged in parallel, the parallel distance is set according to the width of a wet joint of the bridge, the template support longitudinal beams are made of 5 x 5cm square steel, and the length of each longitudinal beam is designed according to the length of a segment;
the template support cross beams are arranged below the longitudinal beams at equal intervals, the cross beam material is the same as that of the longitudinal beams, and the template support cross beams and the template support longitudinal beams are fixedly welded to form the template support; the upper surface of the template bracket is provided with a bottom template through bolt connection; holes with the diameter of 2cm are arranged at the corresponding positions of the corner ends of the bottom template, so that fastening steel wires can conveniently penetrate through the holes;
the split heads are arranged at two sides of a wet joint at the top of the beam in pairs so that the supporting legs are supported on the upper surface of the bridge, and the number of the split heads corresponds to the number of the templates;
the fastening cross beam is made of 5 x 5cm square steel, through holes are formed in two ends of the fastening cross beam, a screw is movably arranged in each through hole, a hook is arranged at the bottom end of each screw, and a nut is arranged at the upper part of each screw; the fastening cross beam is bridged on a pair of split heads which are correspondingly arranged;
wherein: lifting lugs and support rotating hinges are arranged at two ends of the template support, and the lifting lugs are respectively arranged on the upper surface and the lower surface of the center of a template support beam at the end part of the template support; the length of the hinge is larger than the thickness of the two template supports, so that the two template supports can conveniently rotate in the end part movable connection; the upper part of the bridge and the lower part of the bridge in the whole bridge wet joint template system are connected through a fastening steel wire rope, one end of the fastening steel wire rope is connected with a hook of a screw rod, the hook penetrates through a hole at the corner end of the bottom template and then is connected with lifting earrings at two ends of the template support, and a nut rotates to fasten the steel wire rope to fasten the bridge wet joint template.
2. A continuously configurable wet bridge joint formwork system as claimed in claim 1, wherein the bottom formwork is an aluminum formwork.
3. A continuously erectable wet bridge joint formwork system as in claim 1, wherein said split heads are formed from 2.5cm diameter steel bars and are 20cm high.
4. The continuously constructed wet joint formwork system for bridges according to claim 1, wherein the two formwork supports have the same structure, the formwork system comprises two formwork supports as a group, a group of concrete is poured and fastened by loosening the fastening screw rod from the middle to one side, the bottom formwork is pulled out from the side and then installed on the other formwork, the above operations are repeated until the bottom formwork is completely installed on the second formwork support, the steel wire rope on the lifting lug is slowly lowered and lifted at the same time, the steel wire rope on the lifting lug on the other side is lifted, the first formwork rotates around the hinge to the position below the second formwork, and the other end of the hinge is fixed and then rotates to the next construction section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667029.5A CN113481852A (en) | 2021-06-16 | 2021-06-16 | Bridge wet joint formwork system capable of being continuously constructed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110667029.5A CN113481852A (en) | 2021-06-16 | 2021-06-16 | Bridge wet joint formwork system capable of being continuously constructed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113481852A true CN113481852A (en) | 2021-10-08 |
Family
ID=77935383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110667029.5A Pending CN113481852A (en) | 2021-06-16 | 2021-06-16 | Bridge wet joint formwork system capable of being continuously constructed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113481852A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114481857A (en) * | 2022-03-17 | 2022-05-13 | 中铁大桥局集团第二工程有限公司 | Post-cast section hanging template system for middle flange of highway and railway dual-purpose bridge and highway beam |
| CN114753253A (en) * | 2022-03-08 | 2022-07-15 | 武汉市市政建设集团有限公司 | Prefabricated beam bridge wet joint mold flying device and construction method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0633358A1 (en) * | 1991-03-05 | 1995-01-11 | REISNER & WOLFF ENGINEERING GESELLSCHAFT mbH & CO. KG | Device for bridging an expansion joint in a roadway, particularly in bridgedecks |
| CN103306205A (en) * | 2013-06-09 | 2013-09-18 | 中国十七冶集团有限公司 | Construction method of longitudinal wet joint formwork of prefabricated T beam or box beam |
| CN209816663U (en) * | 2019-02-28 | 2019-12-20 | 上海二十冶建设有限公司 | Wet seam template device of prefabricated box girder or T girder wing plate |
| CN212128871U (en) * | 2020-03-16 | 2020-12-11 | 中建八局第三建设有限公司 | Urban wisdom expressway bent cap wet joint rapid Assembly operation platform |
-
2021
- 2021-06-16 CN CN202110667029.5A patent/CN113481852A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0633358A1 (en) * | 1991-03-05 | 1995-01-11 | REISNER & WOLFF ENGINEERING GESELLSCHAFT mbH & CO. KG | Device for bridging an expansion joint in a roadway, particularly in bridgedecks |
| CN103306205A (en) * | 2013-06-09 | 2013-09-18 | 中国十七冶集团有限公司 | Construction method of longitudinal wet joint formwork of prefabricated T beam or box beam |
| CN209816663U (en) * | 2019-02-28 | 2019-12-20 | 上海二十冶建设有限公司 | Wet seam template device of prefabricated box girder or T girder wing plate |
| CN212128871U (en) * | 2020-03-16 | 2020-12-11 | 中建八局第三建设有限公司 | Urban wisdom expressway bent cap wet joint rapid Assembly operation platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114753253A (en) * | 2022-03-08 | 2022-07-15 | 武汉市市政建设集团有限公司 | Prefabricated beam bridge wet joint mold flying device and construction method |
| CN114481857A (en) * | 2022-03-17 | 2022-05-13 | 中铁大桥局集团第二工程有限公司 | Post-cast section hanging template system for middle flange of highway and railway dual-purpose bridge and highway beam |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113481852A (en) | Bridge wet joint formwork system capable of being continuously constructed | |
| CN103114681A (en) | To-be-poured structure and construction method of high-altitude large-span reinforced concrete beam | |
| CN102134833B (en) | Construction method for hoisting and disassembling bailey truss | |
| CN106758872A (en) | Wavelike steel webplate SCC engineering methods hang movable hanging basket and the method using its construction with car convolution | |
| CN107419746A (en) | A kind of mobile formwork system and its construction method | |
| CN103321155B (en) | Viaduct pier operation platform system and build this system and pour into a mould the method for bridge pier | |
| CN107401125B (en) | Traveling device of mobile trolley and using method | |
| CN110700579A (en) | Truss type formwork support for overhanging cast-in-situ slab and using method thereof | |
| CN112144413B (en) | Whole-span in-situ splicing and erecting method for steel-concrete composite beam in mountainous area | |
| CN112160247B (en) | Construction method of asynchronous hydraulic creeping formwork for hollow high pier of limited space pier group | |
| CN212714544U (en) | Rhombus is hung basket and is retreated and demolishd horizontal extension reinforcement construction structure | |
| CN207092331U (en) | Combined type reinforced truss floor support plate | |
| CN211735002U (en) | Steel-concrete combined beam bridge capable of being installed quickly | |
| CN109944164B (en) | Self-elevating hollow thin-wall pier roller die system and construction method thereof | |
| CN111648313A (en) | Bailey beam dismantling and transporting device and construction method applying same | |
| CN110700112A (en) | Movable formwork for concrete construction of overhanging wing plate of steel-concrete composite beam and construction method | |
| CN110863417A (en) | Steel-concrete combined beam bridge capable of being installed quickly and construction method thereof | |
| CN110373990A (en) | The double-deck whole hole of Combined steel truss beam manufactures and erection construction method | |
| CN214573768U (en) | Self-climbing sliding formwork pouring system for second-stage concrete pouring of gate slot | |
| CN211420881U (en) | Movable formwork for concrete construction of overhanging wing plate of steel-concrete composite beam | |
| CN211849006U (en) | Hollow slab beam transverse splicing auxiliary construction device capable of being rapidly spliced in modular mode | |
| CN2656540Y (en) | Telescopic elevator shaft formwork | |
| CN209816682U (en) | Bridge steel box girder aerial working operation platform | |
| CN111516137A (en) | Hydraulic integral movable prefabricated box girder web plate reinforcing steel bar jig frame and construction method | |
| CN2238872Y (en) | Extension electrical lift well die carrier |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211008 |