CN112523290A - Soil filling covering device for optical cable pre-embedding - Google Patents
Soil filling covering device for optical cable pre-embedding Download PDFInfo
- Publication number
- CN112523290A CN112523290A CN202011256167.6A CN202011256167A CN112523290A CN 112523290 A CN112523290 A CN 112523290A CN 202011256167 A CN202011256167 A CN 202011256167A CN 112523290 A CN112523290 A CN 112523290A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- soil
- wall
- plate
- covering device
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/22—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling
- E02F5/223—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling
- E02F5/226—Dredgers or soil-shifting machines for special purposes for making embankments; for back-filling for back-filling with means for processing the soil, e.g. screening belts, separators; Padding machines
Abstract
The invention belongs to the technical field of optical cable installation, in particular to a soil filling covering device for optical cable pre-burying, which aims at the existing soil filling covering device for optical cable pre-burying, soil is pushed into a pre-burying pit by soil pushing equipment on two sides and then compacted, however, after the soil is pushed into the pre-burying pit, gaps exist among the soil due to different shapes of the soil, the compacted soil cannot be processed in real time, the compacted soil has a partial hollow position, and the compactness of the soil is reduced. According to the invention, the second hydraulic cylinder, the connecting plate and the point pressure rod are arranged, when the air cylinder drives the pressure plate to compact the soil, the second hydraulic cylinder is adjusted to drive the point pressure rod below the connecting plate to penetrate through the through hole to repeatedly press the soil, so that a hollow gap in the soil is eliminated, the compacted soil is ensured to have higher compactness, and the filling covering effect is improved.
Description
Technical Field
The invention relates to the technical field of cable installation, in particular to a soil filling covering device for embedding an optical cable.
Background
The cable is an electric energy or signal transmission device and generally consists of a plurality of wires or groups of wires; when the cable is installed, the cable is generally buried underground, and after the cable is buried underground, earth needs to be covered above the cable through the pre-buried earth covering device, so that the installation operation is realized.
The existing soil filling and covering device for optical cable pre-burying is characterized in that when soil filling and covering are carried out, soil is pushed into pre-buried pits by soil pushing equipment on two sides and then is compacted, however, after the soil is pushed into the pre-buried pits, gaps exist among the soil due to different shapes of the soil, the soil is pressed in real time and cannot be processed, partial hollow positions exist in the compacted soil, and the compactness of the soil is reduced.
Disclosure of Invention
Based on the existing soil filling and covering device for optical cable pre-burying, soil is pushed into pre-burying pits by soil pushing equipment on two sides and then is compacted when soil is filled and covered, however, after the soil is pushed into the pre-burying pits, gaps exist among the soil due to different shapes of the soil, the gaps cannot be processed when the soil is compacted, the compacted soil has a partial hollow position, and the compactness of the soil is reduced.
The invention provides a soil filling and covering device for optical cable pre-burying, which comprises a fixed plate, wherein two cylinders are fixedly connected to the outer wall of the bottom of the fixed plate, the outer wall of the bottom of each cylinder is fixedly connected with the same adjusting plate, connecting columns are fixedly connected to four corners of the outer wall of the bottom of each adjusting plate, the outer walls of the bottoms of the four connecting columns are fixedly connected with the same pressing plate, penetrating holes are formed in the outer wall of the bottom of each pressing plate at equal intervals, two hydraulic cylinders are fixedly connected to the outer wall of the bottom of each adjusting plate above the corresponding pressing plate, the outer walls of the bottoms of the two hydraulic cylinders are fixedly connected with the same connecting plate, point pressing rods are fixedly connected to the outer wall.
Preferably, four equal fixedly connected with wheel posts of bottom outer wall of fixed plate, and the equal fixedly connected with universal wheel of bottom outer wall of four wheel posts.
Preferably, the top outer wall of the fixing plate is fixedly connected with a push rod, and the top outer wall of the fixing plate close to the push rod is fixedly connected with a fixing frame.
Preferably, the outer wall fixedly connected with air-blower of mount, and the equal fixedly connected with jib of both sides outer wall of mount, the same well air board of the relative one side outer wall fixedly connected with of two jibs.
Preferably, the outer wall of the hollow air plate facing the pressure plate is provided with air outlet holes at equal intervals, and the air blowing end of the air blower is connected to the inner wall of the hollow air plate through a pipeline.
Preferably, the outer wall of the bottom of the pressing plate is fixedly connected with score bars at equal intervals, and the score bars and the through holes are arranged in a staggered mode.
Preferably, the bottom outer wall fixedly connected with four side position frames of fixed plate, and the equal fixedly connected with pneumatic cylinder No. one of the outer wall of four side position frames, the same push pedal of the other end fixedly connected with of two pneumatic cylinders that are located one side, two pneumatic cylinders that are located one side are connected with synchronous hydraulic system.
Preferably, two equal fixedly connected with ground plate of the equal fixedly connected with ground rod of the bottom outer wall of two ground plates of the equal fixedly connected with of opposite side outer wall of push pedal, ground rod is the triangular prism structure.
The beneficial effects of the invention are as follows:
1. through being provided with No. two pneumatic cylinders, connecting plate and some depression bars, when driving the clamp plate through the cylinder and carrying out compaction operation to soil, adjust No. two pneumatic cylinders and drive the point depression bar of connecting plate below and pass the interlude hole, carry out the point pressure repeatedly to soil to get rid of the cavity clearance in the soil, ensure that the soil compactness after the compaction is higher, improve and fill out the soil and cover the effect.
2. Through being provided with air-blower, well air board and venthole, fill out the soil and cover the in-process, the dust that will raise through the air-blower leads the outside, avoids the dust to cause the injury to the staff at rear, improves this covering device's use value.
3. Through being provided with the nick pole, carry out soil pressure real-time, the nick pole makes the filled soil surface unevenness after the compaction, through the dislocation extrusion, further improves soil compaction degree, further improves the closely knit degree of soil.
4. Through being provided with ground plate and earthed pole, the earthed pole is the triangular prism structure, and its arris and ground contact promote the in-process that this covering device gos forward, and the arris reduces the resistance of propulsion in-process, simultaneously, carries out spacing support through earthed pole and ground plate to whole device, improves its stability of removing the in-process.
Drawings
Fig. 1 is a schematic view of an overall structure of a soil filling and covering device for optical cable pre-burying according to the present invention;
fig. 2 is a side view of the overall structure of a soil-filling covering device for optical cable pre-burying according to the present invention;
fig. 3 is a schematic structural view of a point pressure rod of the soil filling covering device for embedding the optical cable provided by the invention;
fig. 4 is a schematic structural view of a grounding rod of the soil filling and covering device for embedding the optical cable according to the present invention.
In the figure: the device comprises a fixing plate 1, a wheel column 2, universal wheels 3, a score rod 4, a push plate 5, an air plate 6, an air outlet 7, a suspender 8, a fixing frame 9, a push rod 10, an air blower 11, a side frame 12, an air cylinder 13, an adjusting plate 14, a connecting column 15, a first hydraulic cylinder 16, a pressing plate 17, a through hole 18, a point pressing rod 19, a second hydraulic cylinder 20, a connecting plate 21, a grounding plate 22 and a grounding rod 23.
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.
Example 1
Referring to fig. 1-3, an optical cable pre-burying covering device with filling soil comprises a fixing plate 1, two air cylinders 13 are fixedly connected to the outer wall of the bottom of the fixing plate 1, the outer walls of the bottoms of the two air cylinders 13 are fixedly connected with a same adjusting plate 14, four corners of the outer wall of the bottom of the adjusting plate 14 are fixedly connected with connecting columns 15, the outer walls of the bottoms of the four connecting columns 15 are fixedly connected with a same pressing plate 17, the outer wall of the bottom of the pressing plate 17 is provided with through holes 18 at equal intervals, the outer wall of the bottom of the adjusting plate 14 above the pressing plate 17 is fixedly connected with two second hydraulic cylinders 20, the outer walls of the bottoms of the two second hydraulic cylinders 20 are fixedly connected with a same connecting plate 21, the outer wall of the bottom of the connecting plate 21 is fixedly connected with point pressing rods 19 at equal intervals, no. two pneumatic cylinders 20 of regulation drive the point depression bar 19 of connecting plate 21 below and pass through jack 18, carry out point pressure repeatedly to soil to get rid of the cavity clearance in the soil, ensure that the soil compactedness after the compaction is higher, improve and fill out the soil and cover the effect.
In the invention, four pieces of outer walls of the bottom of the fixed plate 1 are fixedly connected with the wheel posts 2, and the outer walls of the bottom of the four wheel posts 2 are fixedly connected with universal wheels 3.
In the invention, the outer wall of the top of the fixed plate 1 is fixedly connected with a push rod 10, and the outer wall of the top of the fixed plate 1 close to the push rod 10 is fixedly connected with a fixed frame 9.
In the invention, the outer wall of the fixed frame 9 is fixedly connected with the air blower 11, the outer walls of two sides of the fixed frame 9 are both fixedly connected with the hanging rods 8, and the outer wall of one side opposite to the two hanging rods 8 is fixedly connected with the same hollow air plate 6.
In the invention, air outlet holes 7 are formed in the outer wall of the hollow air plate 6 facing the pressure plate 17 at equal intervals, and the air blowing end of the air blower 11 is connected to the inner wall of the hollow air plate 6 through a pipeline.
In the invention, the outer wall of the bottom of the pressure plate 17 is fixedly connected with the nick rods 4 at equal intervals, the nick rods 4 and the through holes 18 are arranged in a staggered mode, the nick rods 4 enable the compacted filled soil to have uneven surface when soil compaction is carried out, and the soil compaction degree is further improved and the compactness of the soil is further improved through staggered extrusion.
In the invention, four side frames 12 are fixedly connected to the outer wall of the bottom of a fixed plate 1, first hydraulic cylinders 16 are fixedly connected to the outer walls of the four side frames 12, the other ends of the two first hydraulic cylinders 16 positioned on one side are fixedly connected with the same push plate 5, and the two first hydraulic cylinders 16 positioned on one side are connected with a synchronous hydraulic system.
During the use, when filling out the soil and covering, remove this equipment to the both sides of pre-buried hole, promote push rod 10, carry out the removal of whole device through universal wheel 3, during the covering, adjust the pneumatic cylinder 16 of both sides and push the pre-buried hole with filling out soil, then, adjust cylinder 13 and drive clamp plate 17 of regulating plate 14 below and carry out the compaction to soil, in the compaction process, adjust No. two pneumatic cylinders 20 and drive the point depression bar 19 of connecting plate 21 below and pass through jack 18, carry out the point pressure repeatedly to soil, thereby get rid of the cavity clearance in the soil, and simultaneously, nick pole 4 extrudees neighbouring soil, further improve compaction effect, in the working process, start air-blower 11, air-blower 11 blows off gas through venthole 7 on the cavity gas board 6, thereby blow the dust in the place ahead to the outside, avoid the dust to cause health effect to the staff at rear.
Example 2
Referring to fig. 1-4, an optical cable pre-burying covering device with filling soil comprises a fixing plate 1, two air cylinders 13 are fixedly connected to the outer wall of the bottom of the fixing plate 1, the outer walls of the bottoms of the two air cylinders 13 are fixedly connected with a same adjusting plate 14, four corners of the outer wall of the bottom of the adjusting plate 14 are fixedly connected with connecting columns 15, the outer walls of the bottoms of the four connecting columns 15 are fixedly connected with a same pressing plate 17, the outer wall of the bottom of the pressing plate 17 is provided with through holes 18 at equal intervals, the outer wall of the bottom of the adjusting plate 14 above the pressing plate 17 is fixedly connected with two second hydraulic cylinders 20, the outer walls of the bottoms of the two second hydraulic cylinders 20 are fixedly connected with a same connecting plate 21, the outer wall of the bottom of the connecting plate 21 is fixedly connected with point pressing rods 19 at equal intervals, no. two pneumatic cylinders 20 of regulation drive the point depression bar 19 of connecting plate 21 below and pass through jack 18, carry out point pressure repeatedly to soil to get rid of the cavity clearance in the soil, ensure that the soil compactedness after the compaction is higher, improve and fill out the soil and cover the effect.
In the invention, four pieces of outer walls of the bottom of the fixed plate 1 are fixedly connected with the wheel posts 2, and the outer walls of the bottom of the four wheel posts 2 are fixedly connected with universal wheels 3.
In the invention, the outer wall of the top of the fixed plate 1 is fixedly connected with a push rod 10, and the outer wall of the top of the fixed plate 1 close to the push rod 10 is fixedly connected with a fixed frame 9.
In the invention, the outer wall of the fixed frame 9 is fixedly connected with the air blower 11, the outer walls of two sides of the fixed frame 9 are both fixedly connected with the hanging rods 8, and the outer wall of one side opposite to the two hanging rods 8 is fixedly connected with the same hollow air plate 6.
In the invention, air outlet holes 7 are formed in the outer wall of the hollow air plate 6 facing the pressure plate 17 at equal intervals, and the air blowing end of the air blower 11 is connected to the inner wall of the hollow air plate 6 through a pipeline.
In the invention, the outer wall of the bottom of the pressure plate 17 is fixedly connected with the score bars 4 at equal intervals, and the positions of the score bars 4 and the through holes 18 are arranged in a staggered manner.
In the invention, four side frames 12 are fixedly connected to the outer wall of the bottom of a fixed plate 1, first hydraulic cylinders 16 are fixedly connected to the outer walls of the four side frames 12, the other ends of the two first hydraulic cylinders 16 positioned on one side are fixedly connected with the same push plate 5, and the two first hydraulic cylinders 16 positioned on one side are connected with a synchronous hydraulic system.
Compared with the embodiment 1, the outer walls of one opposite sides of the two push plates 5 are fixedly connected with the ground plates 22, the outer walls of the bottoms of the two ground plates 22 are fixedly connected with the ground rods 23, the ground rods 23 are of triangular prism structures, in the process of pushing the covering device to advance, the side edges reduce resistance in the pushing process, meanwhile, the whole device is limited and supported through the ground rods 23 and the ground plates 22, and stability in the moving process of the covering device is improved.
During the use, compare in embodiment 1, move the in-process through universal wheel 3, the side edge on grounding rod 23 reduces the resistance in the propulsion process, simultaneously, carries out spacing support through grounding rod 23 and ground plate 22 to whole device, improves the stability in the removal process.
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 (8)
1. The utility model provides an optical cable is pre-buried with covering device that bankets, includes fixed plate (1), its characterized in that, two cylinders (13) of bottom outer wall fixedly connected with of fixed plate (1), and the same regulating plate (14) of bottom outer wall fixedly connected with of two cylinders (13), the equal fixedly connected with spliced pole (15) in bottom outer wall four corners of regulating plate (14), and the same clamp plate (17) of bottom outer wall fixedly connected with of four spliced poles (15), the bottom outer wall equidistance of clamp plate (17) is opened has interlude hole (18), and regulating plate (14) are located the bottom outer wall fixedly connected with two No. two pneumatic cylinders (20) of clamp plate (17) top, and the bottom outer wall fixedly connected with of two No. two pneumatic cylinders (20) is the same connecting plate (21), and the bottom equidistance outer wall fixedly connected with point depression, the positions and the number of the point pressure rods (19) correspond to the through holes (18).
2. The soil filling and covering device for embedding the optical cable according to claim 1, wherein four outer walls of the bottom of the fixing plate (1) are fixedly connected with wheel columns (2), and the outer walls of the bottom of the four wheel columns (2) are fixedly connected with universal wheels (3).
3. The soil filling and covering device for embedding the optical cable according to claim 1, wherein a push rod (10) is fixedly connected to the outer wall of the top of the fixing plate (1), and a fixing frame (9) is fixedly connected to the outer wall of the top, close to the push rod (10), of the fixing plate (1).
4. The soil filling and covering device for embedding optical cables as claimed in claim 3, wherein an air blower (11) is fixedly connected to the outer wall of the fixing frame (9), the outer walls of two sides of the fixing frame (9) are fixedly connected with the hanging rods (8), and the outer wall of the opposite side of the two hanging rods (8) is fixedly connected with the same hollow air plate (6).
5. The earth-filling covering device for embedding optical cables as claimed in claim 4, wherein the outer wall of the hollow air plate (6) facing the pressing plate (17) is provided with air outlets (7) at equal intervals, and the air blowing end of the air blower (11) is connected to the inner wall of the hollow air plate (6) through a pipeline.
6. The soil filling and covering device for embedding the optical cable according to claim 1, wherein the outer wall of the bottom of the pressing plate (17) is fixedly connected with the notched rods (4) at equal intervals, and the notched rods (4) are arranged in a staggered mode with the through holes (18).
7. The soil filling and covering device for embedding the optical cable according to claim 1, wherein four side frames (12) are fixedly connected to the outer wall of the bottom of the fixing plate (1), hydraulic cylinders (16) are fixedly connected to the outer walls of the four side frames (12), the other ends of the two hydraulic cylinders (16) on one side are fixedly connected with the same push plate (5), and the two hydraulic cylinders (16) on one side are connected with a synchronous hydraulic system.
8. The earth-filling covering device for embedding optical cables as claimed in claim 7, wherein the outer walls of the two opposite sides of the push plates (5) are fixedly connected with ground plates (22), the outer walls of the bottoms of the two ground plates (22) are fixedly connected with grounding rods (23), and the grounding rods (23) are triangular prism structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256167.6A CN112523290A (en) | 2020-11-11 | 2020-11-11 | Soil filling covering device for optical cable pre-embedding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011256167.6A CN112523290A (en) | 2020-11-11 | 2020-11-11 | Soil filling covering device for optical cable pre-embedding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112523290A true CN112523290A (en) | 2021-03-19 |
Family
ID=74981560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011256167.6A Pending CN112523290A (en) | 2020-11-11 | 2020-11-11 | Soil filling covering device for optical cable pre-embedding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112523290A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4006348A1 (en) * | 1990-03-01 | 1991-09-05 | Moebius Josef Bau | Equipment for building earthwork structure - produces at least one slope and uses soil in at least two layers separately compressed |
| CN102677564A (en) * | 2012-04-28 | 2012-09-19 | 李祥莹 | Dynamic compactor for subgrade |
| CN204059158U (en) * | 2014-04-15 | 2014-12-31 | 张鹏程 | Base layer construction rammer compacter |
| CN206635619U (en) * | 2017-03-17 | 2017-11-14 | 湖北益通建设股份有限公司 | A kind of hydraulic strip projection formula vibrates tamping plate |
| CN108487223A (en) * | 2018-02-28 | 2018-09-04 | 重庆明君建筑劳务有限公司 | Earth ramming device |
| CN207959175U (en) * | 2018-01-11 | 2018-10-12 | 罗木训 | A kind of building lot compaction apparatus |
| CN208219612U (en) * | 2018-04-04 | 2018-12-11 | 江苏利豪建设工程有限公司 | A kind of novel battering ram |
| CN108978756A (en) * | 2018-08-31 | 2018-12-11 | 国网河南省电力公司方城县供电公司 | It bankets after a kind of cable duct paving line system |
| CN110952523A (en) * | 2019-12-26 | 2020-04-03 | 河南裕鸿建筑工程有限公司 | Compaction vibration system of high-rise building foundation |
| CN210368920U (en) * | 2019-07-15 | 2020-04-21 | 中建一局集团第三建筑有限公司 | Tamping device refitted by breaking hammer base body |
-
2020
- 2020-11-11 CN CN202011256167.6A patent/CN112523290A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4006348A1 (en) * | 1990-03-01 | 1991-09-05 | Moebius Josef Bau | Equipment for building earthwork structure - produces at least one slope and uses soil in at least two layers separately compressed |
| CN102677564A (en) * | 2012-04-28 | 2012-09-19 | 李祥莹 | Dynamic compactor for subgrade |
| CN204059158U (en) * | 2014-04-15 | 2014-12-31 | 张鹏程 | Base layer construction rammer compacter |
| CN206635619U (en) * | 2017-03-17 | 2017-11-14 | 湖北益通建设股份有限公司 | A kind of hydraulic strip projection formula vibrates tamping plate |
| CN207959175U (en) * | 2018-01-11 | 2018-10-12 | 罗木训 | A kind of building lot compaction apparatus |
| CN108487223A (en) * | 2018-02-28 | 2018-09-04 | 重庆明君建筑劳务有限公司 | Earth ramming device |
| CN208219612U (en) * | 2018-04-04 | 2018-12-11 | 江苏利豪建设工程有限公司 | A kind of novel battering ram |
| CN108978756A (en) * | 2018-08-31 | 2018-12-11 | 国网河南省电力公司方城县供电公司 | It bankets after a kind of cable duct paving line system |
| CN210368920U (en) * | 2019-07-15 | 2020-04-21 | 中建一局集团第三建筑有限公司 | Tamping device refitted by breaking hammer base body |
| CN110952523A (en) * | 2019-12-26 | 2020-04-03 | 河南裕鸿建筑工程有限公司 | Compaction vibration system of high-rise building foundation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111108948B (en) | Electric fruit tree flower thinning machine and method | |
| CN205304119U (en) | Restore damaged high tension cable's wire stripping equipment | |
| CN112523290A (en) | Soil filling covering device for optical cable pre-embedding | |
| CN109706964B (en) | Method for pipe gallery construction by using mobile platform | |
| CN203583439U (en) | Concrete faced rockfill dam plastic water stop construction trolley | |
| CN212199970U (en) | A road surface napping device for cement concrete surface course | |
| AU2001289142A1 (en) | Method and apparatus for extracting and installing heat exchanger bundles | |
| CN215104440U (en) | Intelligent road roller of changeable form | |
| CN113404064A (en) | In-situ pouring concrete block combined type slope protection and construction method | |
| CN205024665U (en) | Rammer | |
| CN215329201U (en) | Ramming device for civil engineering | |
| CN214886882U (en) | Drilling device for geotechnical engineering construction | |
| CN110258499A (en) | A kind of adaptive nethike embrane sand-protecting barrier laydown machine | |
| JP3741784B2 (en) | Lifting platform | |
| CN207432425U (en) | A kind of plate pressurization process units of automatic blanking | |
| CN211333737U (en) | Hydraulic automatic drawing of patterns device is received to cable duct | |
| CN107415020A (en) | A kind of sheet material pressurization process units of automatic blanking | |
| CN218893946U (en) | Contact net twine protection system for construction of continuous beam of overspan electrified railway | |
| CN212337365U (en) | Overhead walking type self-moving support robot | |
| CN213523052U (en) | Soil compactor for forestry seedling planting | |
| CN213063020U (en) | Edge protection device is faced in underground continuous wall regularization | |
| CN210973181U (en) | Intelligent waterproofing membrane production rolling equipment | |
| CN219709994U (en) | Asphalt treatment equipment | |
| CN218116389U (en) | Grass curtain laying device for desert sand stabilization | |
| CN219032843U (en) | Rolling device for road construction |
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: 20210319 |