CN112695692A - Ice and snow clearing device for road and bridge - Google Patents
Ice and snow clearing device for road and bridge Download PDFInfo
- Publication number
- CN112695692A CN112695692A CN202011612151.4A CN202011612151A CN112695692A CN 112695692 A CN112695692 A CN 112695692A CN 202011612151 A CN202011612151 A CN 202011612151A CN 112695692 A CN112695692 A CN 112695692A
- Authority
- CN
- China
- Prior art keywords
- guide
- mounting
- rotary
- ice
- lifting
- 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
- 238000009434 installation Methods 0.000 claims description 32
- 239000000463 material Substances 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 17
- 206010010904 Convulsion Diseases 0.000 description 3
- 230000036461 convulsion Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
- E01H5/12—Apparatus or implements specially adapted for breaking, disintegrating, or loosening layers of ice or hard snow with or without clearing or removing ; Roughening ice or hard snow by means of tools
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention relates to the field of roads and bridges, in particular to an ice and snow removing device for roads and bridges, which comprises a horizontally arranged movable mounting cover, wherein the left lower end of the movable mounting cover is symmetrically provided with movable guide wheels, the movable guide wheels are all fixed at the lower side of the movable mounting cover through mounting frames, the right lower end of the movable mounting cover is symmetrically provided with steering wheel frames, the lower ends of the steering wheel frames are all provided with steering guide wheels, the middle position of the movable mounting cover is vertically and downwards provided with an operation mounting groove, the middle position of the operation mounting groove is horizontally provided with a lifting mounting plate, the middle position of the lifting mounting plate is vertically provided with an air draft guide cylinder, through a rotating structure of lifting adjustment, the device can carry out ice and snow removing operation with different depths, and can carry out active air draft operation while ice and snow are broken, ice and snow, meanwhile, the crushing structure can be quickly replaced by the directionally installed structure, so that the requirements of different working environments are met.
Description
Technical Field
The invention relates to the field of roads and bridges, in particular to an ice and snow removing device for roads and bridges.
Background
At present, the northern weather is cold, and the phenomenon that the road surface often appears freezing takes place, can form big piece ice-cube on the road surface, and in the automobile goes, can lead to the tire to skid, causes the traffic accident. Current equipment adopts the icebreaking knife tackle to open the ice on the road surface, but the icebreaking knife tackle can't carry out altitude mixture control, can not guarantee the perfect contact of knife tackle and ice sheet, reaches high-efficient deicing effect, adopts the mode of hot water dissolution ice-cube to carry out the ice-cube simultaneously and melts, but hot water cooling back, still can form the ice sheet, leads to the icebreaking efficiency not good, can't reach the effect of high-efficient icebreaking.
Chinese patent publication No. CN211200246U discloses a deicing apparatus for roads and bridges, which is capable of performing height-adjustable ice-breaking and snow-removing operations, but has significant drawbacks in terms of stability of adjustment, replacement of broken structures, and disposal of broken ice debris.
Disclosure of Invention
The present invention is directed to an ice and snow removing device for roads and bridges to solve the above-mentioned problems of the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
an ice and snow removing device for roads and bridges comprises a horizontally arranged movable installation cover, wherein the left lower end of the movable installation cover is symmetrically provided with movable guide wheels, the movable guide wheels are all fixed at the lower side of the movable installation cover through an installation frame, the right lower end of the movable installation cover is symmetrically provided with steering wheel frames, the lower ends of the steering wheel frames are all provided with steering guide wheels, the middle position of the movable installation cover is vertically and downwards provided with an operation installation groove, the middle position of the operation installation groove is horizontally provided with a lifting installation plate, the middle position of the lifting installation plate is vertically provided with an air draft guide cylinder, the upper end of the air draft guide cylinder is provided with a telescopic guide pipe, the lower end of the air draft guide cylinder is horizontally provided with a rotating installation sleeve, the lower end of the rotating installation sleeve is vertically provided with a rotating transmission cylinder, the middle position of the rotating transmission cylinder, the rotation guiding disk all communicates with convulsions draft tube and rotation draft tube, the lower extreme of rotating the draft tube is provided with conical surface draft tube, the lower extreme level of conical surface draft tube is provided with the rotation driving ring, the downside of rotation driving ring is provided with the rotation collar, the lower extreme of rotation collar is the angle such as is provided with a plurality of broken teeth, the upper end of rotation collar is the angle such as vertical a plurality of location direction double-screw bolts that are provided with, the equal vertical location guiding hole that is provided with of rotation driving ring cooperation location direction double-screw bolt, the upper end of location direction double-screw bolt all is provided with fixation nut, the symmetry is provided with oblique end material collecting barrel in the removal installation cover of operation mounting groove both sides, the upper end of oblique end material collecting barrel.
As a further scheme of the invention: the both ends intermediate position symmetry of lift mounting panel is provided with the direction mounting groove, and cooperation direction mounting groove all is provided with the direction erection column.
As a further scheme of the invention: the outer end of each guide mounting column is vertically provided with a lifting drive plate, and the outer sides of the guide mounting columns between the lifting drive plates and the lifting mounting plates are provided with reset springs.
As a further scheme of the invention: the both ends of lift drive plate all are provided with drive lifting gear, and the inner wall cooperation drive lifting gear of operation mounting groove is all vertical to be provided with lifting rack.
As a further scheme of the invention: the lower end middle position of the rotating transmission cylinder is provided with a limiting rotating sleeve, and the outer side of the rotating guide cylinder is provided with a limiting rotating ring in a matching mode with the limiting rotating sleeve.
As a further scheme of the invention: the outside level of the rotation draft tube of rotation transmission section of thick bamboo is provided with turns to the ring gear, and the inside of rotation transmission section of thick bamboo is provided with a plurality of drive gears of equidistance, drive gear all with turn to the ring gear meshing.
As a still further scheme of the invention: the lower extreme of oblique end material collecting cylinder all is provided with row material gate, all is provided with the battery in the removal installation cover of oblique end material collecting cylinder below.
Compared with the prior art, the invention has the beneficial effects that: through lift adjustment's rotating-structure for the device can carry out the ice and snow of degree of depth difference and clear away the operation, and carry out initiative convulsions operation in the ice and snow is broken, takes away ice and snow piece and collects, avoids the piece can in time clear away to condense once more, and the structure of directional installation makes broken structure ability quick replacement simultaneously, with the demand that adapts to different operation environment.
Drawings
Fig. 1 is a schematic structural view of an ice and snow removing apparatus for roads and bridges.
Fig. 2 is a schematic structural view of the inside of an operation mounting groove in the ice and snow removing device for the road and bridge.
Fig. 3 is a perspective view of a rotary mounting ring in the ice and snow removing device for roads and bridges.
1-movable guide wheel, 2-operation installation groove, 3-telescopic guide pipe, 4-lifting installation plate, 5-material guide pipe, 6-lifting rack, 7-inclined bottom material collecting barrel, 8-movable installation cover, 9-storage battery, 10-discharge gate, 11-steering wheel frame, 12-steering guide wheel, 13-crushing tooth, 14-positioning guide hole, 15-positioning guide stud, 16-fixing nut, 17-rotary transmission ring, 18-rotary installation ring, 19-conical guide cylinder, 20-rotary guide cylinder, 21-air draft guide cylinder, 22-guide installation groove, 23-guide installation column, 24-reset spring, 25-driving lifting gear, 26-lifting drive plate, 27-rotary installation sleeve, 27-lifting installation plate, 28-rotating guide disc, 29-rotating transmission cylinder, 30-driving gear, 31-steering gear ring, 32-limiting rotating sleeve and 33-limiting rotating ring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Example one
Referring to fig. 1 to 3, in the embodiment of the present invention, an ice and snow removing apparatus for roads and bridges comprises a horizontally disposed movable mounting cover 8, wherein the left lower end of the movable mounting cover 8 is symmetrically provided with movable guide wheels 1, the movable guide wheels 1 are all fixed on the lower side of the movable mounting cover 8 through mounting frames, the right lower end of the movable mounting cover 8 is symmetrically provided with steering wheel frames 11, the lower ends of the steering wheel frames 11 are all provided with steering guide wheels 12, the middle position of the movable mounting cover 8 is vertically and downwardly provided with an operation mounting groove 2, the middle position of the operation mounting groove 2 is horizontally provided with a lifting mounting plate 4, the middle positions of two ends of the lifting mounting plate 4 are symmetrically provided with guide mounting grooves 22, guide mounting columns 23 are all arranged in cooperation with the guide mounting grooves 22, the outer ends of the guide mounting columns 23 are all vertically provided with lifting drive plates 26, and return springs 24 are all arranged, the two ends of the lifting drive plate 26 are both provided with a driving lifting gear 25, the inner wall of the operation installation groove 2 is matched with the driving lifting gear 25 to be vertically provided with a lifting rack 6, the middle position of the lifting installation plate 4 is vertically provided with an air draft guide cylinder 21, the upper end of the air draft guide cylinder 21 is provided with a telescopic guide pipe 3, the lower end of the air draft guide cylinder 21 is horizontally provided with a rotating installation sleeve 27, the lower end of the rotating installation sleeve 27 is vertically provided with a rotating transmission cylinder 29, the middle position of the rotating transmission cylinder 29 is vertically provided with a rotating guide cylinder 20, the upper end of the rotating guide cylinder 20 is matched with the rotating installation sleeve 27 to be provided with a rotating guide disc 28, the rotating guide disc 28 is communicated with the air draft guide cylinder 21 and the rotating guide cylinder 20, the middle position of the lower end of the rotating transmission cylinder 29 is provided with a limiting rotating, a steering gear ring 31 is horizontally arranged on the outer side of a rotary guide cylinder 20 in the rotary mounting cylinder, a plurality of driving gears 30 are arranged in the rotary transmission cylinder 29 at equal angles, the driving gears 30 are all meshed with the steering gear ring 31, a conical guide cylinder 19 is arranged at the lower end of the rotary guide cylinder 20, a rotary transmission ring 17 is horizontally arranged at the lower end of the conical guide cylinder 19, a rotary mounting ring 18 is arranged at the lower side of the rotary transmission ring 17, a plurality of crushing teeth 13 are arranged at the lower end of the rotary mounting ring 18 at equal angles, a plurality of positioning guide studs 15 are vertically arranged at the upper end of the rotary mounting ring 18 at equal angles, positioning guide holes 14 are vertically arranged on the rotary transmission ring 17 in cooperation with the positioning guide studs 15, fixing nuts 16 are arranged at the upper ends of the positioning guide studs 15, inclined-bottom material collecting cylinders 7 are symmetrically arranged in movable mounting covers 8 at two sides of an operation mounting groove 2, the storage batteries 9 are arranged in the movable mounting cover 8 below the inclined bottom material collecting barrel 7, and the upper end of the inclined bottom material collecting barrel 7 is communicated with the upper end of the telescopic guide pipe 3 through the material guide pipe 5.
Through the cooperation of removal guide pulley 1 and turning to guide pulley 12, realize removing the removal of installation cover 8 and shift, start drive gear 30 simultaneously and make it and turn to the drive of ring gear 31 meshing, realize the rotation of rotating draft tube 20, conical surface draft tube 19 this moment, rotation drive ring 17 and rotation collar 18 synchronous revolution, rotate broken tooth 13, crush the ice-cube, convulsions draft tube 21 upwards water conservancy diversion with the air simultaneously, make the ice slag after the breakage upwards transmitted, until getting into oblique end charging barrel 7 through passage 5, derive through row's material gate 10 at last, the secondary of broken ice slag has been avoided condensing, cooperation through location direction double-screw bolt 15 and location guiding hole 14, and the installation of fixation nut 16, realize rotating the quick accurate installation of collar 18.
Example two
On the basis of the first embodiment, the lifting gear is tightly attached to the lifting rack 6 through the reset spring 24, the lifting gear 25 is driven, the lifting mounting plate 4 is lifted and adjusted to control the feeding depth of ice and snow removal, the ice and snow removal operation requirements with different thicknesses are met, and the telescopic guide pipe 3 enables air draft and material guiding to be continuous and stable in the lifting adjustment process.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. An ice and snow clearing device for roads and bridges comprises a horizontally arranged movable mounting cover (8), wherein the left lower end of the movable mounting cover (8) is symmetrically provided with movable guide wheels (1), the movable guide wheels (1) are all fixed at the lower side of the movable mounting cover (8) through mounting frames, the right lower end of the movable mounting cover (8) is symmetrically provided with steering wheel frames (11), the lower ends of the steering wheel frames (11) are all provided with steering guide wheels (12), the ice and snow clearing device is characterized in that the middle position of the movable mounting cover (8) is vertically provided with an operation mounting groove (2) downwards, the middle position of the operation mounting groove (2) is horizontally provided with a lifting mounting plate (4), the middle position of the lifting mounting plate (4) is vertically provided with an air draft guide cylinder (21), the upper end of the air draft guide cylinder (21) is provided with a telescopic guide pipe (3), and the lower end of the, a rotary driving cylinder (29) is vertically arranged at the lower end of the rotary mounting sleeve (27), a rotary guide cylinder (20) is vertically arranged at the middle position of the rotary driving cylinder (29), a rotary guide disc (28) is arranged at the upper end of the rotary guide cylinder (20) in a manner of matching with the rotary mounting sleeve (27), the rotary guide disc (28) is communicated with the air draft guide cylinder (21) and the rotary guide cylinder (20), a conical guide cylinder (19) is arranged at the lower end of the rotary guide cylinder (20), a rotary driving ring (17) is horizontally arranged at the lower end of the conical guide cylinder (19), a rotary mounting ring (18) is arranged at the lower side of the rotary driving ring (17), a plurality of crushing teeth (13) are arranged at equal angles at the lower end of the rotary mounting ring (18), a plurality of positioning guide studs (15) are vertically arranged at equal angles at the upper end of the rotary mounting ring (18), and positioning guide holes (14) are vertically arranged in the rotary, the upper ends of the positioning guide studs (15) are respectively provided with a fixing nut (16), inclined bottom material collecting barrels (7) are symmetrically arranged in the movable mounting covers (8) on the two sides of the operation mounting groove (2), and the upper ends of the inclined bottom material collecting barrels (7) are communicated with the upper end of the telescopic guide pipe (3) through the material guide pipe (5).
2. The ice and snow removing device for the road and bridge as claimed in claim 1, wherein the lifting mounting plate (4) is symmetrically provided with guide mounting grooves (22) at the middle positions of the two ends, and guide mounting columns (23) are respectively arranged on the guide mounting grooves (22).
3. The ice and snow removing device for the road and bridge as claimed in claim 2, wherein the outer ends of the guide mounting columns (23) are vertically provided with lifting drive plates (26), and the outer sides of the guide mounting columns (23) between the lifting drive plates (26) and the lifting mounting plates (4) are provided with return springs (24).
4. An ice and snow removing device for roads and bridges as claimed in claim 3, wherein both ends of the lifting driving plate (26) are provided with driving lifting gears (25), and the inner wall of the working installation groove (2) is vertically provided with lifting racks (6) matched with the driving lifting gears (25).
5. The ice and snow removing device for the road and bridge as claimed in claim 1, wherein a limit rotating sleeve (32) is arranged at the middle position of the lower end of the rotating transmission cylinder (29), and a limit rotating ring (33) is arranged on the outer side of the rotating guide cylinder (20) and matched with the limit rotating sleeve (32).
6. The ice and snow removing device for the road and bridge as claimed in claim 1 or 5, wherein a steering gear ring (31) is horizontally arranged outside the rotary guide cylinder (20) of the rotary transmission cylinder (29), a plurality of driving gears (30) are equiangularly arranged inside the rotary transmission cylinder (29), and the driving gears (30) are all meshed with the steering gear ring (31).
7. The ice and snow removing device for the road and bridge as claimed in claim 1, wherein the lower ends of the inclined bottom material collecting barrels (7) are provided with discharge gates (10), and the movable mounting covers (8) below the inclined bottom material collecting barrels (7) are provided with storage batteries (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612151.4A CN112695692A (en) | 2020-12-30 | 2020-12-30 | Ice and snow clearing device for road and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612151.4A CN112695692A (en) | 2020-12-30 | 2020-12-30 | Ice and snow clearing device for road and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112695692A true CN112695692A (en) | 2021-04-23 |
Family
ID=75511496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011612151.4A Pending CN112695692A (en) | 2020-12-30 | 2020-12-30 | Ice and snow clearing device for road and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112695692A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457741A (en) * | 2022-02-21 | 2022-05-10 | 华能伊敏煤电有限责任公司 | Photovoltaic power plant sweeps snow fortune dimension device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227712A (en) * | 2017-07-24 | 2017-10-03 | 石嘴山市塞企宝信息科技有限公司 | A kind of municipal automobile-used safe icebreaking device in road surface |
| CN208733441U (en) * | 2018-06-08 | 2019-04-12 | 艾正洋 | A kind of road surface cutting and boring device |
| JP6719698B1 (en) * | 2019-10-11 | 2020-07-08 | 广州克力労保用品有限公司 | Orbital snow removal device |
| CN212103863U (en) * | 2020-03-30 | 2020-12-08 | 中国建筑第七工程局有限公司 | Bridge road defroster |
-
2020
- 2020-12-30 CN CN202011612151.4A patent/CN112695692A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227712A (en) * | 2017-07-24 | 2017-10-03 | 石嘴山市塞企宝信息科技有限公司 | A kind of municipal automobile-used safe icebreaking device in road surface |
| CN208733441U (en) * | 2018-06-08 | 2019-04-12 | 艾正洋 | A kind of road surface cutting and boring device |
| JP6719698B1 (en) * | 2019-10-11 | 2020-07-08 | 广州克力労保用品有限公司 | Orbital snow removal device |
| CN212103863U (en) * | 2020-03-30 | 2020-12-08 | 中国建筑第七工程局有限公司 | Bridge road defroster |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114457741A (en) * | 2022-02-21 | 2022-05-10 | 华能伊敏煤电有限责任公司 | Photovoltaic power plant sweeps snow fortune dimension device |
| CN114457741B (en) * | 2022-02-21 | 2023-10-03 | 华能伊敏煤电有限责任公司 | Snow sweeping operation and maintenance device for photovoltaic power station |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112695692A (en) | Ice and snow clearing device for road and bridge | |
| CN112458960A (en) | Urban low-lying road surface waterlogging warning device | |
| CN205875069U (en) | High efficiency device that sweeps away snow for bridge | |
| CN211571582U (en) | Municipal works road is with high-efficient snow removing device that melts | |
| CN216040934U (en) | Highway road surface ice crushing device | |
| CN113747262B (en) | Be used for hydrology monitoring wireless communication gateway | |
| CN113315073A (en) | Power equipment maintenance equipment | |
| CN104118696A (en) | Snow melting agent spreading device | |
| CN112962419A (en) | Steel box girder of steel structure bridge | |
| CN211036854U (en) | Road deicing equipment that municipal works were used | |
| CN214401616U (en) | Road defroster for municipal construction | |
| CN201531009U (en) | Ice crusher for pavement ice layer | |
| CN219887119U (en) | Water storage equipment for ecological restoration of mine | |
| CN111877243A (en) | Movable type road and bridge ice breaking device based on municipal building | |
| CN214497353U (en) | Deicing device for road and bridge | |
| CN218621945U (en) | Traffic accident scene safety warning equipment | |
| CN113882493B (en) | Concrete drain pipe with protective structure | |
| CN216043517U (en) | Fixed-point piling device for building construction | |
| CN218929420U (en) | Defrosting device for cold chain transport vehicle | |
| CN210886812U (en) | Curb with drainage function | |
| CN218621794U (en) | Quick drainage device | |
| CN217438787U (en) | Novel guardrail unit is separated to multipurpose | |
| CN220732887U (en) | Electronic monitoring device for traffic road | |
| CN216949146U (en) | Architectural design roof eaves mouth waterproof construction | |
| CN118029256B (en) | Viaduct with ecological drainage structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210423 |