CN114922337A - Indoor green furred ceiling of decorating - Google Patents
Indoor green furred ceiling of decorating Download PDFInfo
- Publication number
- CN114922337A CN114922337A CN202210653502.9A CN202210653502A CN114922337A CN 114922337 A CN114922337 A CN 114922337A CN 202210653502 A CN202210653502 A CN 202210653502A CN 114922337 A CN114922337 A CN 114922337A
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- China
- Prior art keywords
- carriage
- furred ceiling
- cleaning wheels
- driving
- ceiling body
- 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- Withdrawn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
- 238000004140 cleaning Methods 0.000 claims abstract description 67
- 230000002457 bidirectional effect Effects 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 16
- 230000033001 locomotion Effects 0.000 description 4
- 238000005034 decoration Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
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- B08B1/32—
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B9/00—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
- E04B9/04—Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation comprising slabs, panels, sheets or the like
Abstract
The utility model relates to an indoor green furred ceiling of decorating, relate to building material's technical field, it includes the furred ceiling body, be equipped with a plurality of cleaning wheels on the furred ceiling body, it is provided with the carriage to slide on the furred ceiling body, a plurality of cleaning wheels all rotate to be connected in carriage below and butt in the carriage setting, the cleaning wheel is equipped with two sets ofly, two sets of cleaning wheels set up the both ends at the carriage respectively, be equipped with between carriage and the cleaning wheel and be used for driving the drive assembly that two sets of cleaning wheels are close to each other, set up the opening that supplies the carriage to slide on the furred ceiling body, still including setting firmly the power spare that is used for driving the carriage and slides on the ceiling. This application has the automatic clearance function of realizing the furred ceiling body, and then reduces the dangerous effect of the person that the clearance furred ceiling probably caused.
Description
Technical Field
The application relates to the technical field of building materials, in particular to an indoor green decorative ceiling.
Background
The suspended ceiling is a decoration for decorating the top of the residential environment of the house at present. In brief, it refers to the decoration of the ceiling, which is one of the important parts of the interior decoration; the suspended ceiling has the functions of heat preservation, heat insulation, sound insulation and sound absorption, and is also a hidden layer for the projects of electric, ventilation and air conditioning, communication and fire prevention, alarm pipeline equipment and the like.
The existing indoor green installation suspended ceiling comprises a suspended ceiling body, wherein the suspended ceiling body is fixedly arranged on the ceiling.
To the correlation technique among the above-mentioned, after there is the furred ceiling body installation, can be stained with the dust gradually on the furred ceiling body, the resident family needs regularly to remove dust to the furred ceiling body and clears up, supports the domestic ladder subaerial usually during the dust removal, and the resident family climbs and clears up on the domestic ladder, easily appears the resident family and falls the defect of waiting people's body danger such as falling.
Disclosure of Invention
The utility model provides an aim at realizes the automatic clearance function of furred ceiling body, and then reduces the personal danger that the clearance furred ceiling probably caused.
The application provides a pair of indoor green furred ceiling adopts following technical scheme:
the utility model provides an indoor green furred ceiling of decorating, including the furred ceiling body, be equipped with a plurality of cleaning wheels on the furred ceiling body, it is provided with the carriage to slide on the furred ceiling body, a plurality of cleaning wheels all rotate to be connected in carriage below and butt in the carriage setting, the cleaning wheel is equipped with two sets ofly, two sets of cleaning wheels set up the both ends at the carriage respectively, be equipped with between carriage and the cleaning wheel and be used for driving the drive assembly that two sets of cleaning wheels are close to each other, set up the opening that supplies the carriage to slide on the furred ceiling body, still including setting firmly the power spare that is used for driving the carriage and slides on the ceiling.
Through adopting above-mentioned technical scheme, when needing to clear up the furred ceiling body, power spare drives the carriage and removes to logical mouth department, and the diapire of carriage removes to the diapire department of furred ceiling body, and drive assembly drives two sets of cleaning wheels and is close to each other, and the diapire of furred ceiling body is cleared up to the cleaning wheel, has realized the automatic clearance function of furred ceiling body, and then has reduced the personal danger that the clearance furred ceiling probably caused.
Optionally, the drive assembly is including the two-way screw rod that is used for driving two sets of cleaning wheel simultaneous movement, for the dead lever that the cleaning wheel played the guide effect to and be used for driving the rotatory driving motor of two-way screw rod, every group the cleaning wheel is all coaxial to be provided with the live-rollers, and the both ends of live-rollers are all rotated and are connected with the slider, and two-way screw rod and dead lever all run through the slider setting, two-way screw rod and slider threaded connection, dead lever and slider sliding connection, two-way screw rod rotate to be connected on the carriage, and the dead lever sets firmly on the carriage and is on a parallel with two-way screw rod setting, and driving motor sets firmly on the carriage and coaxial linking firmly in two-way screw rod.
Through adopting above-mentioned technical scheme, driving motor circular telegram work, driving motor drives two-way screw rod and rotates, and two-way screw rod drives two sets of sliders respectively and is close to each other along the length direction of fixed pole, and every group slider all drives every group and cleans the wheel and clear up the furred ceiling body, need not the manual clearance furred ceiling of people, has reduced the personal danger that the clearance furred ceiling probably caused.
Optionally, a power assembly for driving the cleaning wheels to slide transversely is arranged between each group of cleaning wheels and the supporting frame.
Through adopting above-mentioned technical scheme, every group power component drives every group cleaning wheel lateral sliding respectively, has improved the area that cleans of every cleaning wheel, and then has improved the cleanliness of furred ceiling body.
Optionally, the power component sets up in the one end of every group cleaning wheel, and the power component is including being used for promoting rotor roller pivoted crank, rotating the connecting rod of connection on the slider to and be used for driving connecting rod pivoted motor power, the both ends of rotor roller all slide and set up on two sliders, articulate one end articulates the tip at the rotor roller, and the articulate other end articulates on the connecting rod, motor power sets firmly on the slider and coaxial link firmly in the connecting rod.
By adopting the technical scheme, the power motor is electrified to work, the power motor drives the connecting rod to rotate, and the connecting rod drives the rotating roller to transversely slide through the crank, so that the sliding efficiency of the rotating roller is improved.
Optionally, a connecting plate is fixedly arranged between the two sliding blocks corresponding to each group of cleaning wheels.
Through adopting above-mentioned technical scheme, when cleaning wheel pair furred ceiling body and clear up, the dust on the furred ceiling body drops to the connecting plate on, has reduced the dust that causes when clearing up the furred ceiling body scattered the possibility everywhere, has improved the clean and tidy nature in room.
Optionally, the connecting plate is detachably connected with a collecting pad.
Through adopting above-mentioned technical scheme, the dust on the furred ceiling body drops to collecting and stacks up, collects when certain degree and fills up the dust on the collecting and change to collecting, has improved the clean and tidy nature of connecting plate.
Optionally, two holding grooves for placing the bulbs are formed in the side walls opposite to the connecting plates.
Through adopting above-mentioned technical scheme, when the connecting plate removed the bulb department to the furred ceiling body, the connecting plate continued to remove, and the bulb is kept in holding tank department, has improved the security of bulb.
Optionally, the side wall of each group of sliders facing to the other group of sliders is adhered with an elastic pad.
Through adopting above-mentioned technical scheme, when two sets of sliders removed to when being about to mutual butt, two sets of elastic cushions mutual butt has reduced the damage that two sets of sliders mutual butt probably caused self, has prolonged the life of slider.
Optionally, the suspended ceiling body slides on and is provided with a plurality of push pedals that are used for the shutoff opening, sets firmly on the suspended ceiling body to be used for driving the push pedal motion push away the jar.
Through adopting above-mentioned technical scheme, when the cleaning wheel is not operating condition, push away the jar and promote the push pedal with the opening shutoff, reduced on the ceiling the dust by the opening drop to the room in the possibility, and then improved the clean and tidy nature in room.
Optionally, a plurality of pilot lamps have set firmly on the furred ceiling body, and the pilot lamp is close to the opening setting.
Through adopting above-mentioned technical scheme, the pilot lamp has improved the brightness of ceiling, has improved the visuality of ceiling.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the ceiling body needs to be cleaned, the power piece drives the supporting frame to move to the through hole, the bottom wall of the supporting frame moves to the bottom wall of the ceiling body, the driving assembly drives the two groups of cleaning wheels to be close to each other, and the cleaning wheels clean the bottom wall of the ceiling body, so that the automatic cleaning function of the ceiling body is realized, and the personal danger possibly caused by cleaning the ceiling is reduced;
2. the driving motor is electrified to work, the driving motor drives the bidirectional screw to rotate, the bidirectional screw respectively drives the two groups of sliding blocks to be close to each other along the length direction of the fixing rod, each group of sliding blocks all drives each group of cleaning wheels to clean the suspended ceiling body, manual cleaning of the suspended ceiling is not needed, and personal danger possibly caused by cleaning of the suspended ceiling is reduced;
3. each group of power components drives each group of cleaning wheels to slide transversely, so that the cleaning area of each cleaning wheel is increased, and the cleanliness of the suspended ceiling body is further improved.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present application;
FIG. 2 is a schematic diagram showing the structure of a driving assembly;
FIG. 3 is a schematic view showing the construction of the power module;
FIG. 4 is a schematic diagram showing the structure of the push plate;
in the drawings, 1, a suspended ceiling body; 11. a port; 12. a power member; 13. pushing the plate; 14. pushing the cylinder; 15. an indicator light; 2. cleaning wheels; 21. a rotating roller; 22. a slider; 221. an elastic pad; 23. a connecting plate; 231. a collection pad; 232. accommodating grooves; 3. a support frame; 4. a drive assembly; 41. a bidirectional screw; 42. a fixing rod; 43. a drive motor; 5. a power assembly; 51. a crank; 52. a connecting rod; 53. a power motor.
Detailed Description
The present application is described in further detail below with reference to fig. 1-4.
The utility model provides an indoor green furred ceiling of decorating, refer to fig. 1, including furred ceiling body 1, it is connected with two sets of cleaning wheel 2 to rotate on the furred ceiling body 1, every group cleaning wheel 2 is all coaxial to have set firmly live-rollers 21, the furred ceiling body 1 is gone up and is provided with carriage 3 along vertical direction sliding, every live-rollers 21 all rotates to be connected in carriage 3 below, the equal butt of axial lateral wall of every cleaning wheel 2 sets up in 3 diapire settings of carriage, set firmly a plurality of power parts 12 that are used for driving carriage 3 and slide from top to bottom on the ceiling, power part 12 can be the cylinder, set up the opening 11 that supplies carriage 3 to pass on the furred ceiling body 1, two sets of live-rollers 21 are located carriage 3 below respectively and are located carriage 3's both ends, be equipped with between two sets of cleaning wheels 2 and the carriage 3 and be used for driving the drive assembly 4 that two sets of cleaning wheels 2 are close to each other.
When needs are cleared up furred ceiling body 1, power spare 12 drives carriage 3 and removes to opening 11 departments, carriage 3 carries out the shutoff with opening 11, when the diapire of carriage 3 and furred ceiling body 1's diapire are in same plane department, power spare 12 is closed, drive assembly 4 drives two sets of cleaning wheel 2 simultaneously and clears up the lower surface to furred ceiling body 1, the automatic clearance function of furred ceiling body 1 has been realized, and then the personal danger that clearance furred ceiling body 1 probably caused has been reduced.
Refer to 1 and fig. 2, drive assembly 4 includes two-way screw 41, dead lever 42 and driving motor 43, two-way screw 41 rotates to be connected on carriage 3, dead lever 42 is fixed on carriage 3 and is on a parallel with two-way screw 41 and sets up, driving motor 43 sets firmly on carriage 3, the output shaft of driving motor 43 links firmly with two-way screw 41 is coaxial, the both ends of every live-rollers 21 all rotate and are connected with slider 22, two-way screw 41 and dead lever 42 run through two sliders 22 settings on every group live-rollers 21 respectively, slider 22 threaded connection is on two-way screw 41, slider 22 slides and sets up on dead lever 42, two sets of sliders 22 are located two-way screw 41's reverse screw department respectively.
Driving motor 43 circular telegram work, driving motor 43 drives two-way screw rod 41 and rotates, two-way screw rod 41 infories to drive two sets of sliders 22 along the length direction of dead lever 42 motion in opposite directions, two sets of sliders 22 drive two sets of cleaning wheels 2 through two live-rollers 21 respectively and are close to each other, two sets of cleaning wheels 2 are cleared up furred ceiling body 1 at the in-process that is close to each other, need not the people and manually clean furred ceiling body 1, the cleaning efficiency of furred ceiling body 1 has been improved.
Referring to fig. 3, the rotating rollers 21 are slidably disposed on the two sliding blocks 22, a power assembly 5 for driving the rotating rollers 21 to laterally slide between the two sliding blocks 22 is disposed between each group of sliding blocks 22 and the corresponding rotating roller 21, the power assembly 5 includes a crank 51, a connecting rod 52 and a power motor 53, one end of the crank 51 is hinged to one end of the rotating roller 21, the other end of the crank 51 is hinged to the connecting rod 52, the connecting rod 52 is rotatably connected to the sliding blocks 22, the power motor 53 is fixedly disposed on the sliding blocks 22, and an output shaft of the power motor 53 is coaxially and fixedly connected to the connecting rod 52.
Referring to fig. 1 and 3, a connecting plate 23 is fixedly arranged between each group of sliding blocks 22, the connecting plate 23 is arranged below the cleaning wheel 2, and a collecting pad 231 for collecting dust is adhered to the top wall of the connecting plate 23; dust on the furred ceiling body 1 is struck off by cleaning wheel 2 and is dropped, and the dust falls to collecting on filling up 231, has reduced the dust and has directly dropped the clean and tidy degree that reduces the room in the house, collects to a certain amount after the dust on collecting filling up 231, can take off collecting filling up 231 and change, has improved the collection efficiency of dust.
Referring to fig. 1 and 3, the opposite side walls of the two connecting plates 23 are both provided with accommodating grooves 232 for accommodating bulbs, and the side wall of each group of sliders 22 facing the other group of sliders 22 is adhered with an elastic pad 221 for buffering; two sets of sliders 22 are close to each other, and holding tank 232 supplies the bulb to place, is close to each other to the mutual butt of cushion 221 when two sets of sliders 22, and the elastic component has reduced the emergence of slider 22 circumstances of colliding with, and then has prolonged slider 22's life.
Referring to fig. 4, it is provided with two push pedal 13 that are used for shutoff opening 11 to slide on furred ceiling body 1, and two push pedal 13 set up respectively at the both ends of opening 11, have set firmly two push cylinders 14 that are used for driving two push pedal 13 motions respectively on furred ceiling body 1, have set firmly a plurality of pilot lamps 15 that are used for the illumination on furred ceiling body 1, and pilot lamp 15 is close to opening 11 and sets up.
When cleaning wheel 2 is in unoperated state, two push pedal 13 frame openings 11 of 14 drive of push pedal of push cylinder carry out the shutoff, have improved the safety in utilization of opening 11, when needs overhaul opening 11 department, open pilot lamp 15, have improved the brightness of opening 11 department.
The implementation principle of the embodiment of the application is as follows: when the ceiling body 1 needs to be cleaned, the power part 12 drives the supporting frame 3 to move to the through hole 11, the supporting frame 3 blocks the through hole 11, when the bottom wall of the supporting frame 3 and the bottom wall of the ceiling body 1 are located on the same plane, the power part 12 is closed, the driving motor 43 is electrified to work, the driving motor 43 drives the two-way screw 41 to rotate, the two-way screw 41 informs that the two groups of sliding blocks 22 are driven to move oppositely along the length direction of the fixed rod 42, the two groups of sliding blocks 22 respectively drive the two groups of cleaning wheels 2 to approach each other through the two rotating rollers 21, and the two groups of cleaning wheels 2 clean the ceiling body 1 in the process of approaching each other; power motor 53 circular telegram work, power motor 53 drives connecting rod 52 and rotates, connecting rod 52 drives crank 51 when moving, and the other end pulling live-rollers 21 that drives crank 51 slides between two sliders 22, increased the area of contact between cleaning wheel 2 and the furred ceiling body 1, dust on the furred ceiling body 1 is struck off by cleaning wheel 2 and is dropped, the dust falls to collecting pad 231, the automatic clearance function of furred ceiling body 1 has been realized, and then the personal danger that clearance furred ceiling body 1 probably caused has been reduced.
The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides an indoor green furred ceiling of decorating, including furred ceiling body (1), a serial communication port, be equipped with a plurality of cleaning wheels (2) on furred ceiling body (1), it is provided with carriage (3) to slide on furred ceiling body (1), a plurality of cleaning wheels (2) are all rotated and are connected in carriage (3) below and butt and set up in carriage (3), cleaning wheels (2) are equipped with two sets ofly, two sets of cleaning wheels (2) set up the both ends in carriage (3) respectively, be equipped with between carriage (3) and cleaning wheels (2) and be used for driving drive two sets of cleaning wheels (2) drive assembly (4) that are close to each other, set up opening (11) that supply carriage (3) to slide on furred ceiling body (1), still including setting firmly power spare (12) that are used for driving carriage (3) to slide on the ceiling.
2. The indoor green decorative suspended ceiling of claim 1, wherein the driving assembly (4) comprises a bidirectional screw (41) for driving two groups of cleaning wheels (2) to move simultaneously, a fixing rod (42) for guiding the cleaning wheels (2), and a driving motor (43) for driving the bidirectional screw (41) to rotate, each group of cleaning wheels (2) is coaxially provided with a rotating roller (21), two ends of the rotating roller (21) are rotatably connected with a sliding block (22), the bidirectional screw (41) and the fixing rod (42) are arranged through the sliding block (22), the bidirectional screw (41) is in threaded connection with the sliding block (22), the fixing rod (42) is in sliding connection with the sliding block (22), the bidirectional screw (41) is rotatably connected on the supporting frame (3), the fixing rod (42) is fixedly arranged on the supporting frame (3) and is parallel to the bidirectional screw (41), the driving motor (43) is fixedly arranged on the supporting frame (3) and coaxially and fixedly connected with the bidirectional screw rod (41).
3. An indoor green decorative suspended ceiling according to claim 2, wherein a power assembly (5) for driving the cleaning wheels (2) to transversely slide is arranged between each group of the cleaning wheels (2) and the supporting frame (3).
4. An indoor green decorative suspended ceiling according to claim 3, wherein the power assembly (5) is arranged at one end of each group of cleaning wheels (2), the power assembly (5) comprises a crank (51) for pushing the rotating roller (21) to rotate, a connecting rod (52) rotatably connected to the sliding blocks (22), and a power motor (53) for driving the connecting rod (52) to rotate, two ends of the rotating roller (21) are slidably arranged on the two sliding blocks (22), one end of the crank (51) is hinged to the end of the rotating roller (21), the other end of the crank (51) is hinged to the connecting rod (52), and the power motor (53) is fixedly arranged on the sliding blocks (22) and coaxially fixedly connected to the connecting rod (52).
5. An indoor green decorative suspended ceiling according to claim 2, wherein a connecting plate (23) is fixedly arranged between the two sliding blocks (22) corresponding to each group of cleaning wheels (2).
6. An indoor green decorative suspended ceiling according to claim 5, wherein the connecting plate (23) is detachably connected with a collecting pad (231).
7. An indoor green decorative suspended ceiling according to claim 5, wherein the two connecting plates (23) are provided with accommodating grooves (232) for accommodating bulbs on opposite side walls.
8. An indoor green decorative suspended ceiling according to claim 2, wherein the side wall of each set of sliding blocks (22) facing to the other set of sliding blocks (22) is pasted with an elastic pad (221).
9. An indoor green decorative suspended ceiling according to claim 1, wherein the suspended ceiling body (1) is slidably provided with a plurality of push plates (13) for blocking the through openings (11), and the suspended ceiling body (1) is fixedly provided with a push cylinder (14) for driving the push plates (13) to move.
10. An indoor green decorative suspended ceiling according to claim 1, wherein the suspended ceiling body (1) is fixedly provided with a plurality of indicator lamps (15), and the indicator lamps (15) are arranged close to the through opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210653502.9A CN114922337A (en) | 2022-06-10 | 2022-06-10 | Indoor green furred ceiling of decorating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210653502.9A CN114922337A (en) | 2022-06-10 | 2022-06-10 | Indoor green furred ceiling of decorating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114922337A true CN114922337A (en) | 2022-08-19 |
Family
ID=82813815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210653502.9A Withdrawn CN114922337A (en) | 2022-06-10 | 2022-06-10 | Indoor green furred ceiling of decorating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114922337A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591374A (en) * | 2023-06-09 | 2023-08-15 | 广州珠江装修工程有限公司 | Suspended ceiling system for green building decoration project |
-
2022
- 2022-06-10 CN CN202210653502.9A patent/CN114922337A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116591374A (en) * | 2023-06-09 | 2023-08-15 | 广州珠江装修工程有限公司 | Suspended ceiling system for green building decoration project |
| CN116591374B (en) * | 2023-06-09 | 2023-11-21 | 广州珠江装修工程有限公司 | Suspended ceiling system for green building decoration project |
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| 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 |
Application publication date: 20220819 |
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| WW01 | Invention patent application withdrawn after publication |