CN112878468A - Energy-saving road outlet anti-blocking equipment - Google Patents
Energy-saving road outlet anti-blocking equipment Download PDFInfo
- Publication number
- CN112878468A CN112878468A CN202110043575.1A CN202110043575A CN112878468A CN 112878468 A CN112878468 A CN 112878468A CN 202110043575 A CN202110043575 A CN 202110043575A CN 112878468 A CN112878468 A CN 112878468A
- Authority
- CN
- China
- Prior art keywords
- plate
- inner tube
- flow
- rotating blade
- waterspout
- 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.)
- Withdrawn
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/18—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C13/2804—Shape or construction of beater elements the beater elements being rigidly connected to the rotor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/30—Driving mechanisms
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C2201/00—Codes relating to disintegrating devices adapted for specific materials
- B02C2201/06—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage
- B02C2201/063—Codes relating to disintegrating devices adapted for specific materials for garbage, waste or sewage for waste water or sewage
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Sink And Installation For Waste Water (AREA)
- Sewage (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses an energy-saving road water outlet anti-clogging device, which structurally comprises: the anti-blocking sleeve cavity is embedded and fixed in a groove at the top of the drainage inner tube, the tops of the anti-blocking sleeve cavity and the drainage inner tube are kept parallel and level, an arc-shaped wall at the bottom of the drainage inner tube and the guide column are welded to form an integrated structure, and the reinforcing ribs are vertically fixed in the middle of the balance side plate; has the advantages that: according to the invention, the garbage is intercepted through the upper valve plate inside the flow stopping embedded plate at the upper end of the filtering upper plate, water flows into the material crusher at the bottom from a gap between the filtering plate and the flow stopping embedded plate, the rotating blade in the middle of the material crusher gradually rotates along the driven shaft in the middle of the positioning middle plate along with the increase of the flow velocity of the water, the rotation of the rotating blade gradually forms rotational flow to improve the flow velocity of the water, the rotating blade is driven by the power of the water flow to cut the internal impurities, so that the internal impurities are refined and discharged along with the flow, and the condition of garbage accumulation and blockage in the inner pipe is greatly reduced.
Description
Technical Field
The invention discloses an energy-saving road water outlet anti-blocking device, and belongs to the field of road drainage devices.
Background
The urban road gutter inlet is a water inlet structure for collecting rainwater on the ground by a drainage pipeline, a well with a water inlet grate and a gutter inlet, and the surface of the existing ditch is tightly attached to the surface of a drainage net at the top part in case of blockage due to the fact that people throw garbage randomly, particularly plastic film products, so that the treatment is very inconvenient.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide energy-saving road water outlet anti-clogging equipment to solve the problem that the water outlet is often clogged due to people throwing garbage, especially plastic film products, and the surface can be tightly attached to the surface of a leaking net at the top part once the blockage occurs in the conventional ditch, so that the treatment is very inconvenient.
In order to achieve the purpose, the invention is realized by the following technical scheme: an energy-saving road outlet anti-clogging equipment, its structure includes: prevent stifled cover chamber, drainage inner tube, guide post, strengthening rib strip, balanced curb plate, prevent stifled cover chamber nestification and fix in the top recess of drainage inner tube, and the two top keeps the parallel and level, drainage inner tube bottom arc wall and guide post form a body structure through the welding, balanced curb plate middle part vertical fixation has the strengthening rib strip.
Preferably, prevent stifled cover chamber by filter upper plate, crushed aggregates ware, synchronous inner tube, cooperation inner tube, braced frame body and constitute, filter the upper plate and install at the top of crushed aggregates ware, synchronous inner tube level is fixed and is filtered between upper plate and the crushed aggregates ware, and the inner box communicates with each other, the inner wall at braced frame body is installed to the cooperation inner tube, and has the clearance, the outer edge at crushed aggregates ware is wrapped up in to the cooperation inner tube.
Preferably, the filter upper plate includes: the flow stopping embedded plate is embedded and fixed at the bottom of the filter plate, the bottom of the filter plate is tightly attached to the cushion ring, the inner cavity of the synchronous cavity is communicated with the inner wall of the quick valve at the bottom, and the pushing block in the synchronous cavity is mechanically connected with the flow stopping embedded plate.
Preferably, the material crusher comprises a positioning middle plate, a driven shaft, a guiding middle plate, a rotating blade and a cutting plate, wherein the positioning middle plate is fixed on the outer edge of the driven shaft in a cross welding mode, the guiding middle plate is arranged between the driven shaft and the rotating blade, and the outer edge of the rotating blade and an inner groove of the cutting plate are welded to form an integral structure.
Preferably, the flow stop panel comprises: go up valve plate, driven strip, water conservancy diversion hypoplastron, support curb plate, lifter plate, it is equipped with driven strip to go up the valve plate bottom, the water conservancy diversion hypoplastron is installed at the support curb plate middle part, support curb plate welded fastening at the top of lifter plate, the lifter plate is connected with synchronous chamber machinery.
Preferably, the surface of the rotating blade is of a hollow structure, and the outer edge of the inner chamfer is processed by chamfering.
Preferably, the driven strips are more than two and are arranged between the upper valve plate and the diversion lower plate in a symmetrical structure.
Preferably, the inner edge of the supporting side plate is provided with a guide convex strip.
Preferably, the rotating blade is made of metal.
Advantageous effects
The invention relates to an energy-saving road water outlet anti-clogging device, which has the following effects:
according to the invention, the garbage is intercepted through the upper valve plate inside the flow stopping embedded plate at the upper end of the filtering upper plate, water flows into the material crusher at the bottom from a gap between the filtering plate and the flow stopping embedded plate, the rotating blade in the middle of the material crusher gradually rotates along the driven shaft in the middle of the positioning middle plate along with the increase of the flow velocity of the water, the rotation of the rotating blade gradually forms rotational flow to improve the flow velocity of the water, the rotating blade is driven by the power of the water flow to cut the internal impurities, so that the internal impurities are refined and discharged along with the flow, and the condition of garbage accumulation and blockage in the inner pipe is greatly reduced.
According to the invention, the driven strip at the bottom of the upper valve plate is matched with the flow guide lower plate at the bottom for dynamic adjustment, once one side is extruded, the deviation is generated to avoid blockage, once the through flow is normal, the gaps at the two sides are restored to balance, the drainage efficiency is improved, and the rotating blade at the middle part can have a high rotating speed to drive the knife plate to cut garbage.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an energy-saving road water outlet anti-clogging device according to the present invention.
Fig. 2 is a schematic front view of the anti-blocking sleeve cavity of the present invention.
Fig. 3 is a schematic sectional structure view of the filtering upper plate of the present invention.
Fig. 4 is a schematic top view of a crusher of the present invention.
FIG. 5 is a schematic cross-sectional view of a flow stop panel of the present invention.
Fig. 6 is a schematic top view of the location of the crusher and cooperating inner barrel of the present invention.
In the figure: an anti-blocking sleeve cavity-1, a drainage inner tube-2, a guide column-3, a reinforcing rib-4, a balance side plate-5, a filtering upper plate-11, a crusher-12, a synchronous inner tube-13, a matching inner tube-14, a supporting frame-15, a flow stopping panel-111, a filter plate-112, a cushion ring-113, a synchronous cavity-114, a quick valve-115, a positioning middle plate-121, a driven shaft-122, a guide middle plate-123, a rotating vane-124, a knife plate-125, an upper valve plate-1111, a driven strip-1112, a flow guiding lower plate-1113, a supporting side plate-1114 and a lifting plate-1115.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Referring to fig. 1 to 6, the invention provides a technical solution of an energy-saving road drainage outlet anti-clogging device: the structure includes: prevent stifled cover chamber 1, drainage inner tube 2, guide post 3, strengthening rib strip 4, balanced curb plate 5, prevent stifled 1 nests of cover chamber and fix in the top recess of drainage inner tube 2, and the two top keeps the parallel and level, 2 bottom arc walls of drainage inner tube and guide post 3 form a body structure through the welding, 5 middle parts vertical fixation of balanced curb plate have strengthening rib strip 4.
Prevent stifled cover chamber 1 by filtering upper plate 11, crushed aggregates ware 12, synchronous inner tube 13, cooperation inner tube 14, braced frame body 15 and constitute, filter upper plate 11 and install at the top of crushed aggregates ware 12, synchronous inner tube 13 level is fixed and is being filtered between upper plate 11 and crushed aggregates ware 12, and the inner box communicates with each other, cooperation inner tube 14 is installed at braced frame body 15's inner wall, and has the clearance, cooperation inner tube 14 parcel is along the outer of crushed aggregates ware 12.
The filtering upper plate 11 includes: flow stopping panel 111, filter plate 112, cushion ring 113, synchronous chamber 114, swift valve 115, flow stopping panel 111 nestification is fixed in the bottom of filter plate 112, filter plate 112 bottom and cushion ring 113 closely laminate, synchronous chamber 114 inner chamber communicates with each other with the swift valve 115 inner wall of bottom, ejector pad and flow stopping panel 111 mechanical connection in the synchronous chamber 114, foretell cushion ring 113 improves the stability of the installation of flow stopping valve plate 111, avoids being in mechanical vibration's state for a long time.
The crusher 12 is composed of a positioning middle plate 121, a driven shaft 122, a guiding middle plate 123, a rotating blade 124 and a cutting plate 125, wherein the positioning middle plate 121 is fixed on the outer edge of the driven shaft 122 in a cross welding mode, the guiding middle plate 123 is arranged between the driven shaft 122 and the rotating blade 124, and the outer edge of the rotating blade 124 and an inner groove of the cutting plate 125 are welded to form an integral structure.
The flow stop panel 111 includes: go up valve plate 1111, driven strip 1112, water conservancy diversion hypoplastron 1113, support curb plate 1114, lifter plate 1115, it is equipped with driven strip 1112 to go up valve plate 1111 bottom, water conservancy diversion hypoplastron 1113 is installed in support curb plate 1114 middle part, support curb plate 1114 welded fastening is at the top of lifter plate 1115, lifter plate 1115 and synchronous chamber 114 mechanical connection adjust the size of influent stream mouth through foretell valve plate 1111, reduce a large amount of debris entering sewer under the condition of not drainage for inside waste fermentation produces the peculiar smell, produces a large amount of silt simultaneously and causes the inner tube jam.
The surface of the rotating blade 124 is of a hollow structure, the inner chamfer angle and the outer edge of the inner chamfer angle are processed through chamfering, the passing rate of water flow is improved, and meanwhile, garbage is slightly stopped after being filtered at the top and is rapidly cut by being matched with the cutting board 125.
Support along being equipped with the direction sand grip in the curb plate 1114, improve the circulation of rivers, avoid the in-process rivers of drainage to collide each other and cause the inner flow to mix and flow, and then produce the smooth condition of drainage.
The rotating blade 124 is made of metal.
When in use:
prevent stifled cover chamber 1 and install at the top of drainage inner tube 2, bottom guide post 3 is used for the direction of silt, in case the rivers flow and erode from the gap of bottom, reduces the jam that the gathering of silt caused the inner tube, and the strengthening rib 4 of side is installed between balanced curb plate 5, avoids the condition emergence of balanced curb plate 5 sinking when receiving decurrent pressure.
When a large amount of rainwater passes through the upper filtering plate 11, the upper valve plate 1111 inside the flow stopping panel 111 at the upper end of the upper filtering plate 11 intercepts the garbage, the water flows into the crusher at the bottom from the gap between the filtering plate 112 and the flow stopping panel 111, the rotating blade 124 in the middle of the crusher 12 gradually rotates along the driven shaft 122 in the middle of the middle positioning plate 121 along with the increase of the flow rate of the water, the rotation of the rotating blade 124 gradually forms a rotational flow to increase the flow rate of the water, and the pressure under the middle positioning plate 121 is increased along with the increase of the rotation rate to enable the synchronous cavity 114 communicated with the synchronous inner pipe 13 to act.
The foregoing merely illustrates the principles and preferred embodiments of the invention and many variations and modifications may be made by those skilled in the art in light of the foregoing disclosure, which are intended to be within the scope of the invention.
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. An energy-saving road outlet anti-clogging equipment, its structure includes: prevent stifled cover chamber (1), drainage inner tube (2), guide post (3), strengthening rib strip (4), balanced curb plate (5), its characterized in that:
prevent stifled cover chamber (1) nested fixing in the top recess of drainage inner tube (2), and the two top keeps the parallel and level, drainage inner tube (2) bottom arc wall forms an organic whole structure through the welding with guide post (3), balanced curb plate (5) middle part vertical fixation has strengthening rib (4).
2. The energy efficient road waterspout anti-clogging device of claim 1, wherein: prevent stifled cover chamber (1) by filtering upper plate (11), crushed aggregates ware (12), synchronous inner tube (13), cooperation inner tube (14), braced frame body (15) and constitute, filter upper plate (11) and install the top at crushed aggregates ware (12), synchronous inner tube (13) level is fixed and is filtered between upper plate (11) and crushed aggregates ware (12), and the inner box communicates with each other, the inner wall at braced frame body (15) is installed in cooperation inner tube (14), and there is the clearance, cooperation inner tube (14) parcel is along the outer of crushed aggregates ware (12).
3. An energy efficient road waterspout anti-clogging device as claimed in claim 2, wherein: the filtering upper plate (11) comprises: flow stopping panel (111), filter plate (112), cushion ring (113), synchronous chamber (114), swift valve (115), flow stopping panel (111) nestification is fixed in the bottom of filter plate (112), filter plate (112) bottom and cushion ring (113) closely laminate, synchronous chamber (114) inner chamber communicates with each other with swift valve (115) inner wall of bottom, in synchronous chamber (114) ejector pad and flow stopping panel (111) mechanical connection.
4. An energy efficient road waterspout anti-clogging device as claimed in claim 2, wherein: the material crusher (12) is composed of a positioning middle plate (121), a driven shaft (122), a guiding middle plate (123), a rotating blade (124) and a cutting plate (125), wherein the positioning middle plate (121) is fixed on the outer edge of the driven shaft (122) in a cross welding mode, the guiding middle plate (123) is arranged between the driven shaft (122) and the rotating blade (124), and the outer edge of the rotating blade (124) and an inner groove of the cutting plate (125) form an integral structure through welding.
5. An energy efficient road waterspout anti-clogging device as claimed in claim 3, wherein: the flow-stopping panel (111) comprises: go up valve plate (1111), driven strip (1112), water conservancy diversion hypoplastron (1113), support curb plate (1114), lifter plate (1115), it is equipped with driven strip (1112) to go up valve plate (1111) bottom, water conservancy diversion hypoplastron (1113) are installed at support curb plate (1114) middle part, support curb plate (1114) welded fastening at the top of lifter plate (1115), lifter plate (1115) and synchronous chamber (114) mechanical connection.
6. The energy saving road waterspout anti-clogging device as claimed in claim 4, wherein: the surface of the rotating blade (124) is of a hollow structure, and the outer edge of the inner chamfer is processed by chamfering.
7. The energy saving road waterspout anti-clogging device as claimed in claim 5, wherein: the driven strips (1112) are more than two and are arranged between the upper valve plate (1111) and the flow guide lower plate (1113) in a symmetrical structure.
8. The energy saving road waterspout anti-clogging device as claimed in claim 5, wherein: the inner edge of the supporting side plate (1114) is provided with a guide convex strip.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110043575.1A CN112878468A (en) | 2021-01-13 | 2021-01-13 | Energy-saving road outlet anti-blocking equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110043575.1A CN112878468A (en) | 2021-01-13 | 2021-01-13 | Energy-saving road outlet anti-blocking equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN112878468A true CN112878468A (en) | 2021-06-01 |
Family
ID=76045594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110043575.1A Withdrawn CN112878468A (en) | 2021-01-13 | 2021-01-13 | Energy-saving road outlet anti-blocking equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112878468A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113797631A (en) * | 2021-09-27 | 2021-12-17 | 安徽谦谨建设有限公司 | A prevent blockking up filter equipment for hydroelectric power generation |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150118000A (en) * | 2014-04-11 | 2015-10-21 | 주식회사 영지텍 | Rain storage for stink trap, and stink trap apparatus for manhole having the same |
CN209011272U (en) * | 2018-09-11 | 2019-06-21 | 罗俊 | A kind of urban flood control and drainage well modified water guide sewage blocking device |
CN209509152U (en) * | 2019-01-02 | 2019-10-18 | 潘圣 | A kind of building construction draining Anti-blocking structure |
CN112031130A (en) * | 2020-08-27 | 2020-12-04 | 华武海 | Bathroom floor drain capable of avoiding blockage |
CN112211267A (en) * | 2020-09-24 | 2021-01-12 | 海澄环保科技(上海)有限公司 | Integrated sewage intercepting well |
-
2021
- 2021-01-13 CN CN202110043575.1A patent/CN112878468A/en not_active Withdrawn
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150118000A (en) * | 2014-04-11 | 2015-10-21 | 주식회사 영지텍 | Rain storage for stink trap, and stink trap apparatus for manhole having the same |
CN209011272U (en) * | 2018-09-11 | 2019-06-21 | 罗俊 | A kind of urban flood control and drainage well modified water guide sewage blocking device |
CN209509152U (en) * | 2019-01-02 | 2019-10-18 | 潘圣 | A kind of building construction draining Anti-blocking structure |
CN112031130A (en) * | 2020-08-27 | 2020-12-04 | 华武海 | Bathroom floor drain capable of avoiding blockage |
CN112211267A (en) * | 2020-09-24 | 2021-01-12 | 海澄环保科技(上海)有限公司 | Integrated sewage intercepting well |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113797631A (en) * | 2021-09-27 | 2021-12-17 | 安徽谦谨建设有限公司 | A prevent blockking up filter equipment for hydroelectric power generation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN206752244U (en) | A kind of anti-blocking desilting drainage system of urban road | |
CN112855556A (en) | Multistage cutting and grinding sewage pump | |
CN206625104U (en) | Highway drainage device | |
CN209891330U (en) | Prevent stifled type sewage discharge pipeline | |
CN215977641U (en) | Municipal administration rain sewage drainage device with automatic mediation pollutant function | |
CN112878468A (en) | Energy-saving road outlet anti-blocking equipment | |
CN210859363U (en) | Water pumping pump for urban open-cut tunnel construction | |
CN113565187B (en) | A drainage system for sponge city construction | |
CN208123074U (en) | A kind of cities and towns water conservancy and hydropower priming device | |
CN213868183U (en) | Can prevent municipal rainwater entry structure of jam | |
CN210140768U (en) | Drainage device for bridge deck of viaduct | |
CN212866250U (en) | Integrated sewage intercepting well | |
CN114150753B (en) | Environment-friendly urban road gutter inlet | |
CN106013409A (en) | Prerotation device for water pump | |
CN214738609U (en) | Integrated intercepting well | |
CN108404512A (en) | A kind of special settling system of building waste | |
CN210684940U (en) | Highway curb drainage device | |
CN113152637A (en) | Integrated automatic intercepting well and intercepting method | |
CN2193381Y (en) | Power station water power sand discharge unit | |
CN215367719U (en) | Prevent integration pump station sewage discharge groove of jam | |
CN114151380B (en) | Antiwind swirl pump with clearance bath | |
CN220353044U (en) | Quick cleaning device for sewage well | |
CN219110946U (en) | Install in rubbish interception net of pump body | |
CN220666092U (en) | Hydraulic engineering drainage device | |
CN217189969U (en) | Rainwater recycling and intercepting 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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210601 |