CN114522576A - Agitating unit for asphalt emulsification - Google Patents
Agitating unit for asphalt emulsification Download PDFInfo
- Publication number
- CN114522576A CN114522576A CN202210003363.5A CN202210003363A CN114522576A CN 114522576 A CN114522576 A CN 114522576A CN 202210003363 A CN202210003363 A CN 202210003363A CN 114522576 A CN114522576 A CN 114522576A
- Authority
- CN
- China
- Prior art keywords
- asphalt
- stirring
- device main
- upper cover
- inlet
- 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
- 239000010426 asphalt Substances 0.000 title claims abstract description 61
- 238000004945 emulsification Methods 0.000 title claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 52
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 15
- 238000012423 maintenance Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 5
- 238000007790 scraping Methods 0.000 claims description 12
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000010405 clearance mechanism Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 4
- 239000002245 particle Substances 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/02—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for preparing the materials
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/24—Binder incorporated as an emulsion or solution
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Dispersion Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Road Paving Machines (AREA)
Abstract
The invention discloses a stirring device for asphalt emulsification, which comprises a device main body, wherein an asphalt outlet is arranged in the middle of the bottom of the device main body, a first valve and a cleaning mechanism are arranged on the asphalt outlet, a plurality of support columns are uniformly distributed on the bottom of the device main body along the circumferential direction, an upper cover is arranged at the top of the device main body, an installation plate is arranged on the upper cover, a stirring motor is arranged on the installation plate, a rotating shaft of the stirring motor penetrates through the upper cover and is provided with a stirring mechanism, a maintenance cover plate is arranged on the upper cover on one side of the installation plate, an asphalt inlet is arranged on the other side of the installation plate opposite to the maintenance cover plate, an emulsifier inlet is arranged on one side of the asphalt inlet, and a second valve is arranged on the emulsifier inlet; the invention has the advantages that: the problem of road asphalt when adding the emulsifier and emulsify, road asphalt is comparatively thick, laminates in the churn inner wall easily, causes the emulsification effect unsatisfactory is solved.
Description
Technical Field
The invention relates to the technical field of asphalt emulsification equipment, in particular to a stirring device for asphalt emulsification.
Background
The emulsified asphalt is the liquid asphalt produced by asphalt and emulsifier under certain technological action, and is prepared through mechanical stirring and chemical stabilization of road asphalt used at high temperature, and spreading it in water to liquefy it into a road building material with very low viscosity and good flowability at normal temperature.
Wherein, the mixed effect of road asphalt and emulsifier is crucial to whole asphalt emulsion's production process, and current asphalt emulsion agitating unit adopts spiral auger directly to go on more, and such mechanical stirring, because the road asphalt viscosity that just adds is higher, laminates easily and churn inner wall, leads to the emulsification unsatisfactory, influences product quality's problem, for this reason, the practitioner has designed an agitating unit for asphalt emulsion.
Disclosure of Invention
Aiming at the problems, the invention provides a stirring device for asphalt emulsification, which solves the problem that road asphalt is sticky and easy to adhere to the inner wall of a stirring cylinder when emulsifying is carried out by adding an emulsifier, so that the emulsification effect is not ideal.
The invention adopts the following technical scheme:
the utility model provides an agitating unit for asphalt emulsification, includes the device main part, be provided with the pitch export in the middle of the device main part bottom, be provided with first valve and clearance mechanism in the pitch export, device main part bottom is provided with a plurality of support columns along circumferencial direction evenly distributed, device main part top is provided with the upper cover, on cover and be provided with the mounting panel, be provided with agitator motor on the mounting panel, agitator motor's rotation axis runs through the upper cover is provided with rabbling mechanism, mounting panel one side on cover and seted up the maintenance apron, for the maintenance apron the mounting panel opposite side is provided with the pitch entry, pitch entry one side is provided with the emulsifier entry, be provided with the second valve in the emulsifier entry.
Furthermore, the bottom of the device main body is funnel-shaped, so that road asphalt particles which are not completely hot-melted are reduced, and the road asphalt particles are accumulated at the bottom of the device main body.
Furthermore, an observation window is formed in the side wall of the device body, and transparent glass is arranged in the observation window, so that an operator can observe the emulsified state of the road asphalt from the outside conveniently.
Further, clearance mechanism includes end section of thick bamboo, it scrapes the piece to slide in the end section of thick bamboo, it is equipped with the sealing rubber circle to scrape a piece overcoat, scrape the piece with be provided with the spring between the end section of thick bamboo inner wall, it is provided with the push rod to scrape a piece one end, the push rod runs through end section of thick bamboo has been put the ejector pad, through pressing the ejector pad, the push rod drives it is in to scrape the piece slide in the pitch export, prevent to remain in pitch in the pitch export, long-term the setting becomes solid-state, causes the pitch export blocks up.
Furthermore, the surface of the push block is provided with anti-skidding textures, so that the push block is prevented from skidding when the hand is in a wet state.
Further, the support column is provided with 3 groups at least, the support column bottom all is provided with adjusts the spike, is convenient for pass through it will to adjust the spike the device main part to the level, guarantees the stability of working process.
Further, rabbling mechanism includes the stirring roller, the stirring roller with agitator motor's rotation axis is connected, stirring roller top lateral wall evenly distributed is provided with a plurality of puddlers, stirring roller below lateral wall evenly distributed is provided with a plurality of epitaxial poles, it scrapes the piece, a plurality of to be provided with rubber through bolted connection on the epitaxial pole more thoroughly the puddler stirring simultaneously, reduce road pitch adsorb in device main part inner wall, rubber scrapes the piece and is in under the drive of stirring roller, the clearance device main part bottom accumulational road pitch granule.
Furthermore, the upper surface of the maintenance cover plate is provided with a lifting handle, so that the maintenance cover plate can be conveniently opened for maintenance.
The invention has the advantages that: compared with the prior art, the invention has reasonable design and strong practicability; the design of the stirring rod is more thorough than that of a spiral auger, and the adsorption of road asphalt on the inner wall of the device main body can be reduced; the design of the rubber scraping block effectively cleans road asphalt particles accumulated at the bottom of the device main body; the design of clearance mechanism prevents to remain in the interior pitch of pitch outlet, long-term the condensation becomes solid-state, causes the pitch outlet blockage.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic structural view of the cleaning mechanism of the present invention;
fig. 4 is a schematic structural diagram of the stirring mechanism of the present invention.
In the figure, 1-device body, 2-asphalt outlet, 3-first valve, 4-cleaning mechanism, 5-support column, 6-upper cover, 7-mounting plate, 8-stirring motor, 9-stirring mechanism, 10-maintenance cover plate, 11-asphalt inlet, 12-emulsifier inlet, 13-second valve, 14-observation window, 15-adjusting supporting foot;
401-bottom cylinder, 402-scraping block, 403-sealing rubber ring, 404-spring, 405-push rod, 406-push block, 901-stirring roller, 902-stirring rod, 903-extension rod and 904-rubber scraping block.
Detailed Description
In order to make the technical solutions of the present invention better understood, 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Referring to fig. 1-4, an agitating unit for asphalt emulsification, including device main part 1, be provided with pitch export 2 in the middle of device main part 1 bottom, be provided with first valve 3 and clearance mechanism 4 on pitch export 2, 1 bottom of device main part is provided with a plurality of support columns 5 along circumferencial direction evenly distributed, 1 top of device main part is provided with upper cover 6, be provided with mounting panel 7 on the upper cover 6, be provided with agitator motor 8 on the mounting panel, agitator motor 8's rotation axis runs through upper cover 6 and is provided with rabbling mechanism 9, maintenance apron 10 has been seted up on the upper cover 6 of mounting panel 7 one side, 7 opposite sides for the mounting panel of maintenance apron 10 are provided with pitch entry 11, pitch entry 11 one side is provided with emulsifier entry 12, be provided with second valve 13 on emulsifier entry 12.
Wherein, the bottom of the device main body 1 is funnel-shaped, which reduces road asphalt particles which are not completely melted and is piled up at the bottom of the device main body 1; an observation window 14 is formed in the side wall of the device main body 1, and transparent glass is arranged in the observation window 14, so that an operator can observe the emulsified state of the road asphalt from the outside conveniently; the cleaning mechanism 4 comprises a bottom barrel 401, a scraping block 402 is arranged in the bottom barrel 401 in a sliding mode, a sealing rubber ring 403 is sleeved outside the scraping block 402, a spring 404 is arranged between the scraping block 402 and the inner wall of the bottom barrel 401, a push rod 405 is arranged at one end of the scraping block 402, the push rod 405 penetrates through the bottom barrel 401 and is provided with a push block 406, and the push rod 405 drives the scraping block 402 to slide in the asphalt outlet 2 by pressing the push block 406, so that asphalt remained in the asphalt outlet 2 is prevented from being condensed into a solid state for a long time, and the asphalt outlet 2 is blocked; the surface of the push block 406 is provided with anti-skidding textures, so that the push block 406 is prevented from skidding when being used in a hand wet state; the support columns 5 are at least provided with 3 groups, and the bottom parts of the support columns 5 are provided with adjusting support feet 15, so that the device main body 1 can be conveniently adjusted to be horizontal through the adjusting support feet 15, and the stability of the working process is ensured; the stirring mechanism 9 comprises a stirring roller 901, the stirring roller 901 is connected with a rotating shaft of a stirring motor 8, a plurality of stirring rods 902 are uniformly distributed on the side wall above the stirring roller 901, a plurality of extension rods 903 are uniformly distributed on the side wall below the stirring roller 901, rubber scraping blocks 904 are connected and arranged on the extension rods 903 through bolts, the stirring of the plurality of stirring rods 902 is more thorough, the adsorption of road asphalt on the inner wall of the device main body 1 is reduced, and the rubber scraping blocks 904 are driven by the stirring roller 901 to clean road asphalt particles accumulated at the bottom of the device main body 1; the maintenance apron 10 upper surface is provided with the handle, conveniently opens maintenance apron 10 and overhauls.
The working principle is as follows: when stirring is needed, hot-melted road asphalt is added into the device main body 1 through the asphalt inlet 11, the stirring motor 8 is started to drive the stirring roller 901 to rotate, the stirring roller 901 rotates to stir, at the moment, the emulsifier is added into the device main body 1 through the emulsifier inlet 12, the adding speed can be controlled through the second valve 13 in the process, wherein when the stirring roller 901 rotates, the extension rod 903 is driven to rotate, the bottom of the device main body 1 is cleaned through the rubber scraper 903, the road asphalt particles which are not completely melted by hot melting are prevented from being accumulated, the road asphalt emulsification condition is observed through the observation window 14, after the emulsification is finished, the first valve 3 is opened, the asphalt is poured out from the asphalt outlet 2, after the emulsification is finished, the push block 406 can be pressed, the push rod 405 drives the scraping block 402 to slide in the asphalt outlet 2, the asphalt remained in the asphalt outlet 2 is prevented from being coagulated into a solid state for a long time, causing the asphalt outlet 2 to be blocked.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an agitating unit for asphalt emulsification which characterized in that: comprises a device body (1), an asphalt outlet (2) is arranged in the middle of the bottom of the device body (1), a first valve (3) and a cleaning mechanism (4) are arranged on the asphalt outlet (2), a plurality of supporting columns (5) are uniformly distributed on the bottom of the device body (1) along the circumferential direction, an upper cover (6) is arranged at the top of the device body (1), a mounting plate (7) is arranged on the upper cover (6), a stirring motor (8) is arranged on the mounting plate, a rotating shaft of the stirring motor (8) penetrates through the upper cover (6) and is provided with a stirring mechanism (9), a maintenance cover plate (10) is arranged on the upper cover (6) on one side of the mounting plate (7), an asphalt inlet (11) is arranged on the other side of the mounting plate (7) relative to the maintenance cover plate (10), an emulsifier inlet (12) is arranged on one side of the asphalt inlet (11), and a second valve (13) is arranged on the emulsifier inlet (12).
2. The stirring apparatus for asphalt emulsification according to claim 1, wherein: the bottom of the device main body (1) is funnel-shaped.
3. The stirring apparatus for asphalt emulsification according to claim 1, wherein: an observation window (14) is formed in the side wall of the device main body (1), and transparent glass is arranged in the observation window (14).
4. The stirring apparatus for asphalt emulsification according to claim 1, wherein: clearance mechanism (4) are including end section of thick bamboo (401), it scrapes piece (402) to slide in end section of thick bamboo (401), it is equipped with sealing rubber circle (403) to scrape piece (402) overcoat, scrape piece (402) with be provided with spring (404) between end section of thick bamboo (401) inner wall, it is provided with push rod (405) to scrape piece (402) one end, push rod (405) run through end section of thick bamboo (401) are provided with ejector pad (406).
5. The stirring apparatus for asphalt emulsification according to claim 4, wherein: the surface of the push block (406) is provided with anti-skid textures.
6. The stirring apparatus for asphalt emulsification according to claim 1, wherein: the support column (5) is provided with 3 groups at least, and the bottom of the support column (5) is provided with an adjusting supporting foot (15).
7. The stirring apparatus for asphalt emulsification according to claim 1, wherein: the stirring mechanism (9) comprises a stirring roller (901), the stirring roller (901) is connected with a rotating shaft of the stirring motor (8), a plurality of stirring rods (902) are uniformly distributed on the side wall above the stirring roller (901), a plurality of extension rods (903) are uniformly distributed on the side wall below the stirring roller (901), and rubber scraping blocks (904) are arranged on the extension rods (903) through bolt connection.
8. The stirring apparatus for asphalt emulsification according to claim 1, wherein: and a lifting handle is arranged on the upper surface of the maintenance cover plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003363.5A CN114522576A (en) | 2022-01-04 | 2022-01-04 | Agitating unit for asphalt emulsification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003363.5A CN114522576A (en) | 2022-01-04 | 2022-01-04 | Agitating unit for asphalt emulsification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114522576A true CN114522576A (en) | 2022-05-24 |
Family
ID=81621566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210003363.5A Pending CN114522576A (en) | 2022-01-04 | 2022-01-04 | Agitating unit for asphalt emulsification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114522576A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115089540A (en) * | 2022-07-28 | 2022-09-23 | 厦门贝贝高生物科技有限公司 | Refreshing and easily-washed skin-moistening shower gel and production method and production equipment thereof |
-
2022
- 2022-01-04 CN CN202210003363.5A patent/CN114522576A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115089540A (en) * | 2022-07-28 | 2022-09-23 | 厦门贝贝高生物科技有限公司 | Refreshing and easily-washed skin-moistening shower gel and production method and production equipment thereof |
| CN115089540B (en) * | 2022-07-28 | 2024-05-31 | 厦门贝贝高生物科技有限公司 | Refreshing and easy-flushing skin-moistening bath foam and production method and production equipment thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111300646B (en) | Preparation method of asphalt concrete | |
| CN114522576A (en) | Agitating unit for asphalt emulsification | |
| CN112663445B (en) | Use method of mud scraping road roller for constructional engineering | |
| CN114602963A (en) | Comprehensive soil remediation ecological restoration device | |
| CN214783115U (en) | Emulsified asphalt road spraying device | |
| CN111519683B (en) | River channel treatment sludge cleaning treatment method | |
| CN113290039B (en) | Soil conditioner application device and method | |
| CN113235360B (en) | Movable efficient asphalt stirring equipment for road and bridge construction | |
| CN220888207U (en) | Safe durable semi-flexible pavement equipment | |
| CN219753014U (en) | Bridge asphalt low-temperature paving equipment | |
| CN220888226U (en) | Roller press for road paving | |
| CN219376851U (en) | Tuff mechanism sand compounding device | |
| CN216427924U (en) | Rubber asphalt spreading device for road construction and maintenance | |
| CN219072821U (en) | Snow melt agent production and processing mixer suitable for alpine region | |
| CN219073898U (en) | Soil remediation agent sprinkler | |
| CN220888252U (en) | Road asphalt sprayer | |
| CN220035108U (en) | Full-automatic asphalt construction device | |
| CN219595905U (en) | Crystallization device for chemical production | |
| CN220661304U (en) | Mixing stirring device | |
| CN219518680U (en) | Concrete admixture heating and stirring device | |
| CN220159691U (en) | Coating dispenser for anti-sticking inner wall | |
| CN217490460U (en) | Double-shaft stirrer | |
| CN220394226U (en) | Asphalt paving equipment | |
| CN216712634U (en) | Asphalt stirring equipment for road construction | |
| CN217140078U (en) | Emulsified asphalt stirring 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 |