CN107941106A - A kind of drilling and charge device and charging operation method for tunnel blasting excavation - Google Patents
A kind of drilling and charge device and charging operation method for tunnel blasting excavation Download PDFInfo
- Publication number
- CN107941106A CN107941106A CN201711191998.8A CN201711191998A CN107941106A CN 107941106 A CN107941106 A CN 107941106A CN 201711191998 A CN201711191998 A CN 201711191998A CN 107941106 A CN107941106 A CN 107941106A
- Authority
- CN
- China
- Prior art keywords
- blasthole
- drilling
- explosive
- control module
- arm
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 59
- 238000005422 blasting Methods 0.000 title claims abstract description 20
- 238000009412 basement excavation Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002360 explosive Substances 0.000 claims abstract description 49
- 239000011435 rock Substances 0.000 claims abstract description 18
- 230000035515 penetration Effects 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 239000000843 powder Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 230000010354 integration Effects 0.000 abstract description 3
- 239000003814 drug Substances 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010412 perfusion Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
- F42D1/08—Tamping methods; Methods for loading boreholes with explosives; Apparatus therefor
- F42D1/10—Feeding explosives in granular or slurry form; Feeding explosives by pneumatic or hydraulic pressure
-
- 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
- E21D9/006—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries by making use of blasting methods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42D—BLASTING
- F42D3/00—Particular applications of blasting techniques
- F42D3/04—Particular applications of blasting techniques for rock blasting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
Abstract
A kind of drilling and charge device and charging operation method for tunnel blasting excavation, equipment therein includes being installed on the loading machinery arm that can be advanced on car body, drilling machine arm, data collecting instrument I, data collecting instrument II, cruise Control Module and explosive tank, drilling rod sensor is housed on drilling tool arm, equipped with the conduit that can be inserted into blasthole on loading machinery arm, flow sensor is provided with conduit, it is provided with pressue device in explosive tank, the conduit on loading machinery arm is connected by hose with explosive tank.Method includes：Drilling machine arm is drilled with blasthole on tunnel cross-section, cruise Control Module calculates the rock index of each blasthole automatically, unit blasthole bears explosive charge and each blasthole explosive loading amount needed for rock volume, and hydraulic pressure powder charge arm inserts the catheter into the blasthole being drilled and the explosive charge of calculating is injected into hole.Tunnel boring powder charge can be made to realize integration, automation and intelligent, raising demolition effect and construction efficiency.
Description
Technical field
The present invention relates to a kind of equipment, more specifically to a kind of drilling and charge device for tunnel blasting excavation
And charging operation method, belong to rock blasting excavation technology field.
Background technology
At present, tunnel excavation mainly in a manner of Blasting Excavation based on, and Tunnel Blasting therein positioning, drill and slag tap
Process has realized mechanization and and automation；But since the powder charge networking process of explosion is complex, at present still with artificial
Based on.Therefore, bore quick-fried efficiency if further improving tunnel piercing, improve tunnel blasting excavation quality, it is quick-fried tunnel must to be improved
The Mechanization Level of broken powder charge.
In conventional tunnel blast hole projectile filling be essentially all using manual type into hole hydraulic reclamation powder type explosive；But this kind of powder
Shaped explosive charge water proofing property is poor, back powder dirt after hydraulic reclamation, operating environment is severe in hole, is not suitable for constructing tunnel use.Occur in recent years certainly
The higher mechanized charging equipment of dynamicization degree, such as explosives mix-load truck, it can carry out the fast of explosive under the conditions of hand fit
Speed perfusion；But current charge device is only capable of relying on manual control explosive payload, it is difficult to is adjusted rapidly according to Change in surrounding rocks each
The explosive charge of blasthole；Secondly, still need to worker when being irrigated into hole and hold catheter perfusion, the degree of automation is low, and more traditional is artificial
Loading rate improves not notable.
The content of the invention
It is an object of the invention to for existing charge device the degree of automation it is low, asked by manual control explosive payload etc.
A kind of topic, there is provided drilling and charge device and charging operation method for tunnel blasting excavation.
To achieve the above object, technical solution of the invention is：A kind of drilling and dress for tunnel blasting excavation
Medicine equipment, including it is installed on the loading machinery arm that can be advanced on car body, drilling machine arm, data collecting instrument I, data collecting instrument
IIth, cruise Control Module and explosive tank, drilling rod sensor is equipped with the drilling tool arm, and the drilling rod Sensor monitoring bores
Axial force, moment of torsion, rate of penetration and the drilling depth of hole mechanical arm drilling rod, drilling rod sensor pass through data cable and data collecting instrument
I is connected, and the data collecting instrument I is connected by data cable with cruise Control Module, and the loading machinery arm is more
Free degree mobile machine arm, equipped with the conduit that can be inserted into blasthole on loading machinery arm, flow sensing is provided with the conduit
Device, the flow sensor are connected by data cable with data collecting instrument II, and the data collecting instrument II passes through data
Line is connected with cruise Control Module, explosive tank storage viscous fluid shaped explosive charge, and pressue device is provided with explosive tank,
Conduit on loading machinery arm is connected by hose with explosive tank, loading machinery arm, the control system of drilling machine arm, explosive
Pressue device in tank is connected by data cable with cruise Control Module respectively.
It is a kind of for the drilling of tunnel blasting excavation and the charging operation method of charge device, including following step：
Step 1, is drilled with big gun according to preliminary blasting scheme, cruise Control Module control drilling machine arm on tunnel cross-section first
Hole i, data collecting instrument I gather drilling rod axial force N when blasthole i is crept into by drilling rod sensori, moment of torsion Wi, rate of penetration PiAnd
Blasthole i positions（xi, yi）, the data collecting instrument I and information for gathering drilling rod sensor is transferred to cruise Control Module, center
Control computer record above- mentioned information；
Step 2, cruise Control Module is according to the borehole data of record, the rock index R of calculating blasthole ii=WiPi/ N, it is therein
WiDrilling rod moment of torsion, P when being crept into for blasthole iiRod boring speed when being crept into for blasthole i, NiDrilling rod axial force when being crept into for blasthole i；
Step 3, cruise Control Module is according to rock index RiCalculate blasthole i and bear explosive charge K needed for every cube of rock volumei；
Step 4, the rock volume V that cruise Control Module is born according to blasthole ii, calculate blasthole i explosive loading amounts Qi=KiVi；
Step 5, cruise Control Module controlled loading of explosive mechanical arm, which inserts the catheter into, to be located at（xi, yi）The drilling i of coordinate, and to hole
The explosive charge Q that interior injection calculatesi。
Compared with prior art, the beneficial effects of the invention are as follows：
1st, present inventive concept is novel, simple in structure, it can be achieved that integration, automation and the intelligence of Tunnel Blasting borehole charge,
Improve demolition effect and construction efficiency.
2nd, loading machinery arm can be controlled automatic positioning by computer, be automatically inserted into blasthole, be automatically injected and quantitatively fry in the present invention
Medicine, the auxiliary operation on working face without worker, loading rate are high.
3rd, the present invention can the parameter such as the hardness of automatic decision rock, blasthole actual grade, and counted automatically according to parameter
Explosive consumption is calculated, realizes the optimization of explosive loading amount, improves demolition effect.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is described in further detail with embodiment.
Referring to Fig. 1, a kind of drilling and charge device for tunnel blasting excavation, including be installed on and can advance on car body
Loading machinery arm, drilling machine arm, data collecting instrument I, data collecting instrument II, cruise Control Module and explosive tank.The brill
Drilling rod sensor, axial force, moment of torsion, the drilling speed of the drilling rod Sensor monitoring drilling machine arm drilling rod are housed on the tool arm of hole
Degree and drilling depth；Drilling rod sensor is connected by data cable with data collecting instrument I, and the data collecting instrument I passes through number
It is connected according to line with cruise Control Module, cruise Control Module records the drilling information of each blasthole.The loading machinery arm
For multiple degrees of freedom mobile machine arm, equipped with the conduit that can be inserted into blasthole on loading machinery arm, flow is provided with the conduit
Sensor, flow sensor can detect explosive flow；The flow sensor passes through data cable and II phase of data collecting instrument
Connection, the data collecting instrument II are connected by data cable with cruise Control Module.The explosive tank stores sticky stream
Body shaped explosive charge, is provided with pressue device in explosive tank, and the conduit on loading machinery arm is connected by hose with explosive tank, can be led to
Device is overpressurized to inject explosive in blasthole.Loading machinery arm, the control system of drilling machine arm, the pressue device in explosive tank
It is connected respectively by data cable with cruise Control Module.
It is a kind of for the drilling of tunnel blasting excavation and the charging operation method of charge device, specifically include following step
Suddenly：
Step 1, is drilled with big gun according to preliminary blasting scheme, cruise Control Module control drilling machine arm on tunnel cross-section first
Hole i, data collecting instrument I gather drilling rod axial force N when blasthole i is crept into by drilling rod sensori, moment of torsion Wi, rate of penetration PiAnd
Blasthole i positions（xi, yi）；The data collecting instrument I and information for gathering drilling rod sensor is transferred to cruise Control Module, center
Control computer record above- mentioned information.
Step 2, cruise Control Module is according to the borehole data of record, the rock index R of calculating blasthole ii=WiPi/ N, its
In WiDrilling rod moment of torsion, P when being crept into for blasthole iiRod boring speed when being crept into for blasthole i, NiDrilling rod axis when being crept into for blasthole i
Xiang Li.
Step 3, cruise Control Module is according to rock index RiCalculate blasthole i and bear explosive needed for every cube of rock volume
Measure Ki。
Step 4, the rock volume V that cruise Control Module is born according to blasthole ii, calculate blasthole i explosive loading amounts Qi=
KiVi。
Step 5, cruise Control Module controlled loading of explosive mechanical arm, which inserts the catheter into, to be located at（xi, yi）The drilling i of coordinate, and to
The explosive charge Q that injection calculates in holei。
Referring to Fig. 1, the present invention is capable of the parameters such as hardness, the blasthole actual grade of automatic decision rock, and according to ginseng
Number is automatic to calculate explosive consumption；And loading machinery arm can be controlled automatic positioning by computer, be automatically inserted into blasthole, be automatically injected and determine
Explosive is measured, it is achieved thereby that the integration of Tunnel Blasting borehole charge, automation and intelligence, improve demolition effect and construction is imitated
Rate.
Above content is that a further detailed description of the present invention in conjunction with specific preferred embodiments, it is impossible to is assert
The specific implementation of the present invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some simple deduction or replace can also be made, said structure should be all considered as belonging to
Protection scope of the present invention.
Claims (2)
- A kind of 1. drilling and charge device for tunnel blasting excavation, it is characterised in that：It can advance including being installed on car body Loading machinery arm, drilling machine arm, data collecting instrument I, data collecting instrument II, cruise Control Module and explosive tank, it is described Drilling rod sensor, axial force, moment of torsion, the drilling of the drilling rod Sensor monitoring drilling machine arm drilling rod are housed on drilling tool arm Speed and drilling depth, drilling rod sensor are connected by data cable with data collecting instrument I, and the data collecting instrument I passes through Data cable is connected with cruise Control Module, and the loading machinery arm is multiple degrees of freedom mobile machine arm, on loading machinery arm Conduit equipped with pluggable blasthole, is provided with flow sensor on the conduit, the flow sensor passes through data cable It is connected with data collecting instrument II, the data collecting instrument II is connected by data cable with cruise Control Module, described Explosive tank stores viscous fluid shaped explosive charge, is provided with pressue device in explosive tank, the conduit on loading machinery arm by hose with Explosive tank is connected, and loading machinery arm, the control system of drilling machine arm, the pressue device in explosive tank pass through data cable respectively It is connected with cruise Control Module.
- It is 2. a kind of for the drilling of tunnel blasting excavation and the charging operation method of charge device, it is characterised in that including following The step of：Step 1, is drilled with big gun according to preliminary blasting scheme, cruise Control Module control drilling machine arm on tunnel cross-section first Hole i, data collecting instrument I gather drilling rod axial force N when blasthole i is crept into by drilling rod sensori, moment of torsion Wi, rate of penetration PiAnd Blasthole i positions（xi, yi）, the data collecting instrument I and information for gathering drilling rod sensor is transferred to cruise Control Module, center Control computer record above- mentioned information；Step 2, cruise Control Module is according to the borehole data of record, the rock index R of calculating blasthole ii=WiPi/ N, W thereini Drilling rod moment of torsion, P when being crept into for blasthole iiRod boring speed when being crept into for blasthole i, NiDrilling rod axial force when being crept into for blasthole i；Step 3, cruise Control Module is according to rock index RiCalculate blasthole i and bear explosive charge K needed for every cube of rock volumei；Step 4, the rock volume V that cruise Control Module is born according to blasthole ii, calculate blasthole i explosive loading amounts Qi=KiVi；Step 5, cruise Control Module controlled loading of explosive mechanical arm, which inserts the catheter into, to be located at（xi, yi）The drilling i of coordinate, and into hole Inject the explosive charge Q calculatedi。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191998.8A CN107941106A (en) | 2017-11-24 | 2017-11-24 | A kind of drilling and charge device and charging operation method for tunnel blasting excavation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711191998.8A CN107941106A (en) | 2017-11-24 | 2017-11-24 | A kind of drilling and charge device and charging operation method for tunnel blasting excavation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107941106A true CN107941106A (en) | 2018-04-20 |
Family
ID=61948670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711191998.8A Pending CN107941106A (en) | 2017-11-24 | 2017-11-24 | A kind of drilling and charge device and charging operation method for tunnel blasting excavation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107941106A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107294A (en) * | 2019-06-21 | 2019-08-09 | 天台云层自动化科技有限公司 | A kind of geology rock mining equipment based on carbon dioxide explosion |
| CN111664762A (en) * | 2020-05-21 | 2020-09-15 | 武汉理工大学 | Automatic explosive charging control system and method for mixed explosive charging vehicle based on drilling positioning parameters |
| CN112146530A (en) * | 2020-10-28 | 2020-12-29 | 郑州美俊机械设备有限公司 | Integrated rock drilling and blasting equipment |
| CN112253136A (en) * | 2020-10-27 | 2021-01-22 | 中铁十二局集团有限公司 | Intelligent excavation method for large-section tunnel of high-speed railway |
| CN113605891A (en) * | 2021-08-06 | 2021-11-05 | 江苏长积材料科技有限公司 | Intelligent multifunctional vehicle for solid carbon dioxide pneumatic rock breaking construction and use method thereof |
| CN114577077A (en) * | 2021-11-05 | 2022-06-03 | 中铁三局集团有限公司 | Tunnel excavation blasting optimization method based on drilling energy dissipation monitoring |
| CN115111982A (en) * | 2022-05-27 | 2022-09-27 | 中铁工程装备集团隧道设备制造有限公司 | A powder charge platform truck and system for tunnel drilling and blasting method construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508035A (en) * | 1982-02-19 | 1985-04-02 | Mazda Motor Corporation | Explosive charging apparatus for rock drilling |
| CN104141483A (en) * | 2014-07-25 | 2014-11-12 | 北京北矿亿博科技有限责任公司 | Digital drilling control method and system for open-pit deep hole blasting |
| CN104596371A (en) * | 2014-12-09 | 2015-05-06 | 北方爆破科技有限公司 | Digitized surface blasting operation method |
| CN107144192A (en) * | 2017-06-16 | 2017-09-08 | 西安科技大学 | A kind of intelligent construction method of pinpoint blasting |
| CN207866127U (en) * | 2017-11-24 | 2018-09-14 | 中铁十一局集团第四工程有限公司 | A kind of drilling and charge device for tunnel blasting excavation |
-
2017
- 2017-11-24 CN CN201711191998.8A patent/CN107941106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4508035A (en) * | 1982-02-19 | 1985-04-02 | Mazda Motor Corporation | Explosive charging apparatus for rock drilling |
| CN104141483A (en) * | 2014-07-25 | 2014-11-12 | 北京北矿亿博科技有限责任公司 | Digital drilling control method and system for open-pit deep hole blasting |
| CN104596371A (en) * | 2014-12-09 | 2015-05-06 | 北方爆破科技有限公司 | Digitized surface blasting operation method |
| CN107144192A (en) * | 2017-06-16 | 2017-09-08 | 西安科技大学 | A kind of intelligent construction method of pinpoint blasting |
| CN207866127U (en) * | 2017-11-24 | 2018-09-14 | 中铁十一局集团第四工程有限公司 | A kind of drilling and charge device for tunnel blasting excavation |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107294A (en) * | 2019-06-21 | 2019-08-09 | 天台云层自动化科技有限公司 | A kind of geology rock mining equipment based on carbon dioxide explosion |
| CN111664762A (en) * | 2020-05-21 | 2020-09-15 | 武汉理工大学 | Automatic explosive charging control system and method for mixed explosive charging vehicle based on drilling positioning parameters |
| CN112253136A (en) * | 2020-10-27 | 2021-01-22 | 中铁十二局集团有限公司 | Intelligent excavation method for large-section tunnel of high-speed railway |
| CN112146530A (en) * | 2020-10-28 | 2020-12-29 | 郑州美俊机械设备有限公司 | Integrated rock drilling and blasting equipment |
| CN113605891A (en) * | 2021-08-06 | 2021-11-05 | 江苏长积材料科技有限公司 | Intelligent multifunctional vehicle for solid carbon dioxide pneumatic rock breaking construction and use method thereof |
| CN113605891B (en) * | 2021-08-06 | 2023-11-24 | 江苏夏谷科技有限公司 | Intelligent multifunctional vehicle for pneumatic rock breaking construction of solid carbon dioxide and application method of intelligent multifunctional vehicle |
| CN114577077A (en) * | 2021-11-05 | 2022-06-03 | 中铁三局集团有限公司 | Tunnel excavation blasting optimization method based on drilling energy dissipation monitoring |
| CN114577077B (en) * | 2021-11-05 | 2024-04-19 | 中铁三局集团有限公司 | Tunnel excavation blasting optimization method based on drilling energy dissipation monitoring |
| CN115111982A (en) * | 2022-05-27 | 2022-09-27 | 中铁工程装备集团隧道设备制造有限公司 | A powder charge platform truck and system for tunnel drilling and blasting method construction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107941106A (en) | A kind of drilling and charge device and charging operation method for tunnel blasting excavation | |
| CN105113987B (en) | Interbedding of soft and hard rocks coal seam concordant measurement while drilling directional drilling equipment and its construction method | |
| CN207866127U (en) | A kind of drilling and charge device for tunnel blasting excavation | |
| CN103698806B (en) | Carrying device for three advanced geological prediction instruments on TBM | |
| CN102606145B (en) | Underground coal mine anti-explosion mud-pulse wireless measurement while-drilling system and using method thereof | |
| CN100401008C (en) | Water pressure burst hole and burst method with energy saving and environment friendship | |
| CN105697023B (en) | A kind of tunnel geology exploitation method, system and mini-sized tunnelling machine | |
| CN207111100U (en) | A kind of hard rock tunnel construction equipment | |
| CN106089212B (en) | Hard rock quickly digs courtyard blasting design method | |
| CN106837295A (en) | Intelligent safe and efficient automatic drilling control system and control method | |
| CN107144192B (en) | A kind of pinpoint blasting intelligence construction method | |
| CN201671622U (en) | Coal mine cover rock water guide slit band uphole observation instrument | |
| CN104533394A (en) | Formation pressure while drilling measuring device | |
| CN106840070A (en) | Mining overburden inside rock movement monitoring system and detection method | |
| CN111101952B (en) | Construction method for tunnel blasting of complex layered rock stratum | |
| CN101793486A (en) | High-grade highway rock cutting blasting construction process | |
| CN108489601A (en) | A kind of tunnel low coverage passes through the Blast Vibration Monitoring and control method of underground utilities | |
| CN102619498A (en) | Steering drilling system based on top driving and ground control and drilling operation method | |
| CN104806249A (en) | Guiding and tunneling construction method of short silo | |
| CN103837366A (en) | Visible sampling method for fracture network in surrounding rock | |
| CN103790582A (en) | Geostress measuring device and method | |
| CN107084648A (en) | One kind uses pilot hole guide-localization and Smooth Blasting Construction method | |
| CN104727815A (en) | Real-time well drilling formation correction method and device | |
| CN205805470U (en) | Conveying-type side-wall coring system | |
| CN112502613B (en) | Well drilling method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |