CN109184730A - A kind of construction method quickly cleaning double-shielded TBM shield tail silt - Google Patents
A kind of construction method quickly cleaning double-shielded TBM shield tail silt Download PDFInfo
- Publication number
- CN109184730A CN109184730A CN201810960571.8A CN201810960571A CN109184730A CN 109184730 A CN109184730 A CN 109184730A CN 201810960571 A CN201810960571 A CN 201810960571A CN 109184730 A CN109184730 A CN 109184730A
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- China
- Prior art keywords
- snorkel
- silt
- fibre conduit
- shield tail
- conduit
- 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
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- 238000004140 cleaning Methods 0.000 title claims abstract description 56
- 238000010276 construction Methods 0.000 title claims abstract description 27
- 239000000835 fiber Substances 0.000 claims abstract description 78
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 5
- 238000009423 ventilation Methods 0.000 claims abstract description 5
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000010841 municipal wastewater Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/13—Devices for removing or hauling away excavated material or spoil; Working or loading platforms using hydraulic or pneumatic conveying means
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses the construction methods of cleaning double-shielded TBM shield tail silt, shield tail silt and water surface depth are measured including step A, prepares installation silt cleaning plant, cleaning plant includes fibre conduit and snorkel, one end of snorkel is connected to fibre conduit tube wall, and snorkel is obliquely installed with respect to fibre conduit；Other end connection and air compressor machine of the B by snorkel；Cleaning plant is put into shield tail silt and water for clearance by C, and the junction of fibre conduit and snorkel is totally submerged in underwater, and snorkel inclined direction is towards shield bottom；The other end on fibre conduit relative to snorkel inclined direction is connected to transfer container by D；E starts ventilation of air compressor, gas enters fibre conduit by snorkel, it is discharged with the silt and water of upper bit with gas positioned at fibre conduit and snorkel junction, segment parital vacuum is formed in fibre conduit, silt and water in shield tail are squeezed into fibre conduit under the action of external atmosphere pressure and gas are impacted, and are gradually discharged to transfer container by fibre conduit.
Description
Technical field
The present invention relates to double-shielded TBM constructing tunnel field, in particular to one kind quickly cleans double-shielded TBM shield tail silt
Construction method.
Background technique
In double-shielded TBM constructing tunnel, shield tail deposition product sand is very common phenomenon, and especially Dun Jiao is arranged in bottom
Section of jurisdiction, before assembly, unit in charge of construction require a great deal of time clears up shield tail deposition product sand, with meet section of jurisdiction installation
Requirement in field demand and constructing tunnel specification about circumferential faulting of slab ends.
Currently, conventional shield tail silt cleaning remains manually operation: operating personnel is shoveled out shield tail silt with spade,
It is then charged into woven bag, is finally transported to spoil ground with horizontal transport train, this construction method labor intensive and material resources are more,
And effect is slower.
Summary of the invention
It is an object of the invention to overcome shield tail silt cleaning in the double-shielded TBM constructing tunnel in the presence of the prior art
It is manually operation, labor intensive and material resources are more, and the above-mentioned deficiency that effect is slower, provide one kind and quickly clean double shields
The construction method of TBM shield tail silt.
In order to achieve the above-mentioned object of the invention, the present invention provides following technical schemes:
A kind of construction method quickly cleaning double-shielded TBM shield tail silt, comprising the following steps:
A, the depth of shield tail silt and the water surface is measured, installation silt cleaning plant is prepared, the cleaning plant includes leading firmly
Pipe and snorkel, one end of the snorkel are connected to the fibre conduit tube wall, and the other end of the snorkel is for being connected to
Air compressor machine, the relatively described fibre conduit of the snorkel is obliquely installed, relative to the snorkel inclined direction on the fibre conduit
The other end for connecting silt transfer container；
B, by the other end connection of the snorkel and the air compressor machine；
C, the cleaning plant is put into shield tail silt and water for clearance, and the fibre conduit and the snorkel
Junction is totally submerged in underwater, and the snorkel inclined direction is towards shield bottom；
D, the other end on the fibre conduit relative to the snorkel inclined direction is connected to the transfer container；
E, start the ventilation of air compressor, gas enters the fibre conduit by the snorkel, is located at the fibre conduit
It is discharged with the silt and water of upper bit with gas with the snorkel junction, it is locally true to form segment in the fibre conduit
Sky, silt and water in shield tail are squeezed into the fibre conduit under the action of gas impact in external atmosphere pressure and in managing, and pass through
The fibre conduit is gradually discharged to the transfer container.
Using a kind of construction method for quickly cleaning double-shielded TBM shield tail silt of the present invention, cleaning plant is put
Enter in shield tail silt and water for clearance, it is ensured that fibre conduit and snorkel junction are totally submerged in underwater, and snorkel inclines
Tilted direction is arranged with the silt and water of upper bit with gas towards shield bottom, ventilation of air compressor positioned at fibre conduit and snorkel junction
Out, segment parital vacuum is formed in fibre conduit, air pressure, which reduces, even if there is the tonifying Qi of air compressor machine, in fibre conduit is less than ambient atmosphere
Pressure, silt and water in shield tail are squeezed into fibre conduit under the action of external atmosphere pressure and gas are impacted, and by fibre conduit by
Step is discharged, and completes the clear water work husky clearly of double-shielded TBM shield tail, and the construction method step is simple, easy to operate, is worked well,
Manual labor is significantly reduced, silt cleaning efficiency is improved, the mud being also applied in the tunnel of other way excavation
Sand cleaning, the cleaning of municipal wastewater well etc., society is beneficial to high efficiency.
Preferably, after executing the step E, remaining mud is defeated by manual work after absorbing cleaning by the cleaning plant
It is sent to the transfer container.
Preferably, after executing the step E, silt is transported by the transfer container to discharge outside Tunnel.
Preferably, the cleaning plant further includes air hose, and one end of the air hose connects the snorkel, institute
The other end for stating air hose connects the air compressor machine.
Preferably, the air hose is rubber hose.
Preferably, pneumatic control valve is equipped between the snorkel and the air compressor machine.
Preferably, the cleaning plant further includes defeated mud hose and inhales mud hose, and one end of the defeated mud hose connects institute
The other end on fibre conduit relative to the snorkel inclined direction is stated, the other end of the defeated mud hose is for connecting described turn
Container is transported, described one end for inhaling mud hose connects one end that the snorkel inclined direction is corresponded on the fibre conduit, the suction
The other end of mud hose is for drawing shield tail silt.
Preferably, the defeated mud hose and the suction mud hose are rubber hose.
Preferably, after executing the step A, check that the fibre conduit both ends are separately connected the defeated mud hose and the suction
The tightness of mud hose, it is ensured that it is air tight, then execute the step B.
Preferably, the fibre conduit and the snorkel are metal tube.
Preferably, the fibre conduit and the snorkel are steel pipe, and the snorkel is welded in the fibre conduit.
Preferably, the fibre conduit and the snorkel are integrally formed component.
Preferably, the tilt angle of the relatively described fibre conduit of the snorkel is 10 ° -80 °.
Preferably, the tilt angle of the relatively described fibre conduit of the snorkel is 30 ° -60 °.
Using this structure setting, be conducive to gas in snorkel and be directed into fibre conduit, is unlikely to angle too atmospheric
Loss is big, drive the component of silt small or angle is too small is inconvenient to the problems such as implementing operation.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1, with a kind of construction method for quickly cleaning double-shielded TBM shield tail silt of the present invention, by cleaning plant
It is put into shield tail silt and water for clearance, it is ensured that fibre conduit and snorkel junction are totally submerged in underwater, and snorkel
Inclined direction is towards shield bottom, ventilation of air compressor, positioned at fibre conduit and snorkel junction with the silt and water of upper bit with gas
Discharge forms segment parital vacuum in fibre conduit, even if there is the tonifying Qi of air compressor machine, air pressure reduces big less than extraneous in fibre conduit
Air pressure, silt and water in shield tail are squeezed into fibre conduit under the action of external atmosphere pressure and gas are impacted, and pass through fibre conduit
It is gradually discharged, completes the clear water work husky clearly of double-shielded TBM shield tail, the construction method step is simple, and easy to operate, effect is good
It is good, manual labor is significantly reduced, silt cleaning efficiency is improved, is also applied in the tunnel of other way excavation
Silt cleaning, the cleaning of municipal wastewater well etc., society is beneficial to high efficiency；
2, with a kind of construction method for quickly cleaning double-shielded TBM shield tail silt of the present invention, the snorkel
The tilt angle of the relatively described fibre conduit is 30 ° -60 °, using this structure setting, is conducive to gas in snorkel and is directed into
Fibre conduit, is unlikely to that angle too atmosphere bulk diffusion is big, drive the component of silt small or angle is too small be inconvenient to implement to operate etc.
Problem.
Detailed description of the invention
Fig. 1 is the cleaning plant of the construction method application of the present invention for quickly cleaning double-shielded TBM shield tail silt
Structural schematic diagram.
Marked in the figure: 1- fibre conduit, 2- snorkel, 3- air compressor machine, 4- air hose, the defeated mud hose of 5-, 6- inhale mud hose,
7- transfer container.
Specific embodiment
Below with reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
It is all that this is belonged to based on the technology that the content of present invention is realized for the scope of the above subject matter of the present invention is limited to the following embodiments
The range of invention.
Embodiment
As shown in Figure 1, a kind of construction method for quickly cleaning double-shielded TBM shield tail silt of the present invention, including with
Lower step:
A, the depth of shield tail silt and the water surface is measured, installation silt cleaning plant is prepared, the cleaning plant includes leading firmly
Pipe 1, snorkel 2, air hose 4, defeated mud hose 5 and suction mud hose 6, one end of the snorkel 2 is connected to the fibre conduit 1
Tube wall, one end of the air hose 4 connect the snorkel 2, and the other end of the air hose 4 connects the air compressor machine 3,
Pneumatic control valve is equipped between the air hose 4 and the air compressor machine 3, the relatively described fibre conduit 1 of the snorkel 2 tilts
30 ° of settings, one end of the defeated mud hose 5 connects on the fibre conduit 1 relative to the another of 2 inclined direction of snorkel
End, for connecting silt transfer container 7, one end connection for inhaling mud hose 6 is described to be led the other end of the defeated mud hose 5 firmly
One end of 2 inclined direction of snorkel is corresponded on pipe 1, the other end for inhaling mud hose 6 is for drawing shield tail silt；
B, check that 1 both ends of fibre conduit are separately connected the defeated mud hose 5 and the tightness for inhaling mud hose 6, really
It protects air tight；
C, by the other end connection of the snorkel 2 and the air compressor machine 3；
D, the cleaning plant is put into shield tail silt and water for clearance, and the fibre conduit 1 and the snorkel 2
Junction be totally submerged in underwater, and 2 inclined direction of the snorkel is towards shield bottom；
E, the other end on the fibre conduit 1 relative to 2 inclined direction of snorkel is connected to the transfer container
7；
F, start the air compressor machine 3 to ventilate, gas enters the fibre conduit 1 by the snorkel 2, leads firmly positioned at described
Pipe 1 and 2 junction of the snorkel are discharged with the silt and water of upper bit with gas, and segment office is formed in the fibre conduit 1
Portion's vacuum, silt and water in shield tail are squeezed into the fibre conduit 1 under the action of gas impact in external atmosphere pressure and in managing, and
The transfer container 7 is gradually discharged to by the fibre conduit 1；
G, the transfer container 7 is transported to by manual work by remaining mud after cleaning plant absorption cleaning；
H, silt is transported by the transfer container 7 to discharge outside Tunnel.
As a preferred embodiment of the present embodiment, the fibre conduit 1 is length 1200mm, wall thickness 3.5mm, outer diameter
The steel pipe of 600mm, the snorkel 2 are 3/4 cun of the steel pipe of length 200mm, and the snorkel 2 is welded in the fibre conduit 1,
The air hose 4, the defeated mud hose 5 and the suction mud hose 6 are rubber hose.
With a kind of construction method for quickly cleaning double-shielded TBM shield tail silt of the present invention, which is put into
In shield tail silt and water for clearance, it is ensured that fibre conduit 1 and 2 junction of snorkel are totally submerged in underwater, and snorkel 2 inclines
Tilted direction is towards shield bottom, and air compressor machine 3 is ventilated, positioned at fibre conduit 1 and 2 junction of snorkel with the silt and water of upper bit with gas
Discharge forms segment parital vacuum in fibre conduit 1, even if there is the tonifying Qi of air compressor machine 3, air pressure is reduced less than outer in fibre conduit 1
Boundary's atmospheric pressure, silt and water in shield tail are squeezed into fibre conduit 1 under the action of external atmosphere pressure and gas are impacted, and by hard
Conduit 1 is gradually discharged, and completes the clear water work husky clearly of double-shielded TBM shield tail, and snorkel 2 is with respect to the tilt angle of fibre conduit 1
30 °, be conducive to gas in snorkel 2 and be directed into fibre conduit 1, is unlikely to point that angle too atmosphere bulk diffusion is big, drives silt
Power is small or angle is too small is inconvenient to the problems such as implementing operation, and the construction method step is simple, easy to operate, works well, greatly
Manual labor is alleviated greatly, improves silt cleaning efficiency, the silt being also applied in the tunnel of other way excavation
Cleaning, the cleaning of municipal wastewater well etc., society is beneficial to high efficiency.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of construction method for quickly cleaning double-shielded TBM shield tail silt, which comprises the following steps:
A, the depth of shield tail silt and the water surface is measured, prepares installation silt cleaning plant, the cleaning plant includes fibre conduit (1)
With snorkel (2), one end of the snorkel (2) is connected to the fibre conduit (1) tube wall, and the snorkel (2) is relatively described
Fibre conduit (1) is obliquely installed；
B, by the other end connection of the snorkel (2) and air compressor machine (3)；
C, the cleaning plant is put into shield tail silt and water for clearance, and the fibre conduit (1) and the snorkel (2)
Junction be totally submerged in underwater, and the snorkel (2) inclined direction is towards shield bottom；
D, the other end on the fibre conduit (1) relative to the snorkel (2) inclined direction is connected to transfer container (7)；
E, start air compressor machine (3) ventilation, gas enters the fibre conduit (1) by the snorkel (2), is located at described hard
Conduit (1) and the snorkel (2) junction are discharged with the silt and water of upper bit with gas, in the fibre conduit (1) interior shape
At segment parital vacuum, silt and water in shield tail are squeezed into described hard in external atmosphere pressure and pipe under the action of gas impact
Conduit (1), and the transfer container (7) are gradually discharged to by the fibre conduit (1).
2. the construction method according to claim 1 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that execute
After the step E, the transfer container is transported to by manual work by remaining mud after cleaning plant absorption cleaning
(7)。
3. the construction method according to claim 1 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that execute
After the step E, silt is transported by the transfer container (7) to discharge outside Tunnel.
4. the construction method according to claim 1 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that described
Cleaning plant further includes air hose (4), and one end of the air hose (4) connects the snorkel (2), the air hose
(4) the other end connects the air compressor machine (3).
5. the construction method according to claim 1 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that described
Pneumatic control valve is equipped between snorkel (2) and the air compressor machine (3).
6. the construction method according to claim 1 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that described
Cleaning plant further includes defeated mud hose (5) and inhales mud hose (6), and one end of the defeated mud hose (5) connects the fibre conduit (1)
On the other end relative to the snorkel (2) inclined direction, the other end of the defeated mud hose (5) is for connecting the transhipment
Container (7), described one end for inhaling mud hose (6) connect and correspond to the one of the snorkel (2) inclined direction on the fibre conduit (1)
End, the other end for inhaling mud hose (6) is for drawing shield tail silt.
7. the construction method according to claim 6 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that execute
After the step A, check the fibre conduit (1) both ends be separately connected the defeated mud hose (5) and it is described inhale mud hose (6) it is tight
Close property, it is ensured that it is air tight, then execute the step B.
8. the construction method according to claim 1 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that described
Fibre conduit (1) and the snorkel (2) are metal tube.
9. the construction method according to claim 1-8 for quickly cleaning double-shielded TBM shield tail silt, feature exist
In the tilt angle of the relatively described fibre conduit (1) of the snorkel (2) is 10 ° -80 °.
10. the construction method according to claim 9 for quickly cleaning double-shielded TBM shield tail silt, which is characterized in that described
The tilt angle of the relatively described fibre conduit (1) of snorkel (2) is 30 ° -60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960571.8A CN109184730A (en) | 2018-08-22 | 2018-08-22 | A kind of construction method quickly cleaning double-shielded TBM shield tail silt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810960571.8A CN109184730A (en) | 2018-08-22 | 2018-08-22 | A kind of construction method quickly cleaning double-shielded TBM shield tail silt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109184730A true CN109184730A (en) | 2019-01-11 |
Family
ID=64919019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810960571.8A Pending CN109184730A (en) | 2018-08-22 | 2018-08-22 | A kind of construction method quickly cleaning double-shielded TBM shield tail silt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109184730A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523764A (en) * | 2020-12-02 | 2021-03-19 | 中铁二十三局集团第六工程有限公司 | Shield tail silt cleaning device and method for shield tunnel |
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|---|---|---|---|---|
| GB2434164A (en) * | 2006-01-13 | 2007-07-18 | John Phillip Doherty | Tunnelling device vacuum system |
| CN103806484A (en) * | 2014-01-27 | 2014-05-21 | 杭州华能大坝安全工程技术有限公司 | Air lifting underwater desilting construction method |
| CN105298510A (en) * | 2015-11-05 | 2016-02-03 | 中铁工程装备集团有限公司 | Pipe replacing and slurry discharging device for slurry shield and slurry discharging mode |
| CN205169837U (en) * | 2015-11-11 | 2016-04-20 | 冯克俊 | Device of sand is carried to atmospheric pressure |
| CN105625494A (en) * | 2016-03-10 | 2016-06-01 | 中国水利水电第十一工程局有限公司 | Deepwater negative-pressure desilting system |
| JP2017082528A (en) * | 2015-10-30 | 2017-05-18 | 株式会社アマング． | Slurry transfer system and tank unit |
| CN207003511U (en) * | 2017-04-09 | 2018-02-13 | 湖南路桥建设集团有限责任公司 | A kind of constructing device for clearing up deep water soft clay |
| CN107989631A (en) * | 2017-11-24 | 2018-05-04 | 上海隧道工程有限公司 | Pipe curtain push-bench excavation device |
-
2018
- 2018-08-22 CN CN201810960571.8A patent/CN109184730A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2434164A (en) * | 2006-01-13 | 2007-07-18 | John Phillip Doherty | Tunnelling device vacuum system |
| CN103806484A (en) * | 2014-01-27 | 2014-05-21 | 杭州华能大坝安全工程技术有限公司 | Air lifting underwater desilting construction method |
| JP2017082528A (en) * | 2015-10-30 | 2017-05-18 | 株式会社アマング． | Slurry transfer system and tank unit |
| CN105298510A (en) * | 2015-11-05 | 2016-02-03 | 中铁工程装备集团有限公司 | Pipe replacing and slurry discharging device for slurry shield and slurry discharging mode |
| CN205169837U (en) * | 2015-11-11 | 2016-04-20 | 冯克俊 | Device of sand is carried to atmospheric pressure |
| CN105625494A (en) * | 2016-03-10 | 2016-06-01 | 中国水利水电第十一工程局有限公司 | Deepwater negative-pressure desilting system |
| CN207003511U (en) * | 2017-04-09 | 2018-02-13 | 湖南路桥建设集团有限责任公司 | A kind of constructing device for clearing up deep water soft clay |
| CN107989631A (en) * | 2017-11-24 | 2018-05-04 | 上海隧道工程有限公司 | Pipe curtain push-bench excavation device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112523764A (en) * | 2020-12-02 | 2021-03-19 | 中铁二十三局集团第六工程有限公司 | Shield tail silt cleaning device and method for shield tunnel |
| CN112523764B (en) * | 2020-12-02 | 2023-01-31 | 中铁二十三局集团第六工程有限公司 | Shield tail silt cleaning device and method for shield tunnel |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Applicant after: China Railway Second Bureau Construction Co.,Ltd. Address before: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Applicant before: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. |
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| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190801 Address after: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Applicant after: CHINA RAILWAY NO.2 ENGINEERING GROUP Co.,Ltd. Address before: Jinniu District Kam Tong Road Chengdu city Sichuan province 610031 No. 16 Applicant before: China Railway Second Bureau Construction Co.,Ltd. |
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| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190111 |
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| RJ01 | Rejection of invention patent application after publication |