CN111643839A - Quick water pipe rolling device for fire fighting truck - Google Patents
Quick water pipe rolling device for fire fighting truck Download PDFInfo
- Publication number
- CN111643839A CN111643839A CN202010544200.9A CN202010544200A CN111643839A CN 111643839 A CN111643839 A CN 111643839A CN 202010544200 A CN202010544200 A CN 202010544200A CN 111643839 A CN111643839 A CN 111643839A
- Authority
- CN
- China
- Prior art keywords
- water pipe
- brush roller
- lifting seat
- fixedly connected
- quick water
- 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- Withdrawn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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 238000005096 rolling process Methods 0.000 title claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 34
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 17
- 230000005540 biological transmission Effects 0.000 description 6
- 230000002337 anti-port Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000000034 method Methods 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
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/02—Apparatus for cleaning or drying hoses
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
- A62C33/04—Supports or clamps for fire hoses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
Landscapes
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire-fighting equipment, and particularly discloses a quick water pipe rolling device for a fire fighting truck, which comprises: the driving part is fixedly arranged on the bottom plate; the winding roller is used for winding the water pipe; the inner side walls of the two supporting rods are rotatably connected to the end parts of the fixed brush rollers; the output shaft of the driving piece is fixedly connected with a positioning gear disc and a rotating shaft, the winding roller is detachably and fixedly connected to the rotating shaft, one end of the fixed brush roller extends out of the supporting rod and is coaxially and fixedly connected with a driven gear, and the driven gear is meshed with the positioning gear disc; the sliding groove is formed in the inner side of the supporting rod above the fixed brush roller, the lifting seat is placed in the sliding groove in a sliding mode, the two ends of the movable brush roller are connected to the lifting seat in a rotating mode, and the upper surface of the lifting seat is connected to the top of the sliding groove through spring elasticity. The invention has the advantages that: simple structure, low in production cost, the rolling is neat, and clean degree is high, the facilitate promotion is implemented.
Description
Technical Field
The invention relates to the technical field of fire-fighting equipment, in particular to a quick water pipe rolling device for a fire fighting truck.
Background
Fire disasters occur in life, for large-scale fire disasters, a fire truck is generally required to enter into the fire extinguishing area for fire extinguishing, and if a narrower or congested road section is required on the way to an area needing fire extinguishing, the large-size fire truck cannot pass through the area needing fire extinguishing, so a fire-fighting motorcycle is required to be used; fire fighting equipment such as a water gun, a water tank, a water pipe, a fire extinguisher and the like are usually arranged on the existing fire fighting motorcycle, after the fire fighting work is finished, the water pipe needs to be rolled up, most of the water pipes are rolled up manually, so that not only is the labor wasted, but also a small amount of water is filled in the water pipe after the water pipe is used, so that the labor is wasted during rolling, the rolling speed is slow, and more time is wasted; therefore, the quick water pipe coiling device for the fire engine is provided.
The water pipe rolling device disclosed in the prior patent comprises a bottom plate, wherein mounting screw holes are formed in four corners of the bottom plate, a vertical plate is fixedly welded on one side of the upper end of the bottom plate, a driving piece is fixedly mounted on the upper end of the bottom plate, a bottom round supporting plate is welded on the upper end of an output shaft of the driving piece, a rolling barrel is welded in the middle of the upper end of the bottom round supporting plate, a containing hole is formed in one side of the rolling barrel, an arc-shaped slot is formed in one side wall of the containing hole, an arc-shaped inserting plate is movably inserted in the arc-shaped slot, one side of the arc-shaped inserting plate, which is positioned in the arc-shaped slot, is connected with a plurality of second springs, a rectangular slot is formed in the middle of the upper end of the vertical plate, two rotating sleeves are vertically arranged in the rectangular slot, fixed round rods are inserted in, all be connected with first spring on the lateral wall of bar spout, the one end of first spring all is connected with the rectangle slider. The device rolls up debris between the water pipe easily at the rolling in-process, causes the rolling untidy, is not convenient for popularize and implement.
Disclosure of Invention
The invention aims to provide a quick water pipe coiling device for a fire engine, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a fire engine is with quick water pipe reeling device, fire engine include with quick water pipe reeling device:
the driving part is fixedly arranged on the bottom plate;
the winding roller is used for winding the water pipe;
the number of the supporting rods is two, and the inner side walls of the supporting rods are rotatably connected to the end parts of the fixed brush rollers;
wherein, the output shaft fixedly connected with positioning gear dish and the axis of rotation of driving piece, wind-up roll detachable fixed connection is in the axis of rotation, water pipe end connection is on the wind-up roll and twine it on, the inside lateral wall of two bracing pieces rotates the tip of connecting at fixed brush roller, bracing piece and coaxial fixedly connected with driven gear are stretched out to the one end of fixed brush roller, driven gear and positioning gear dish meshing, under the effect of driving piece, wind-up roll and positioning gear dish rotate along with the output shaft of driving piece, the wind-up roll rotates and rolls the water pipe winding on the wind-up roll, the positioning gear dish drives driven gear and rotates, thereby make fixed brush roller rotate.
The sliding groove has been seted up to fixed brush roller top in the inboard of bracing piece, the lift seat has been placed in the inside slip of sliding groove, the both ends of activity brush roller are rotated and are connected on the lift seat, the upper surface of lift seat passes through the top of spring elastic connection at the sliding groove, under the effect of spring, the lift seat moves down, thereby make activity brush roller move down, fixed brush roller and the upper and lower both sides of activity brush roller clamp at the water pipe, the coaxial fixedly connected with drive wheel in both ends of activity brush roller and fixed brush roller, the drive wheel on the activity brush roller moves down along with the activity brush roller, and with the drive wheel contact on the fixed brush roller, two drive wheels transmit, thereby make activity brush roller and fixed brush roller antiport, wash the upper and lower surface of water pipe, dispose the debris on water pipe surface. The driving piece is electrically connected with a controller, the controller can control the opening and closing and the rotating speed of the driving piece,
as a further aspect of the preferred embodiment of the present invention: the side of wind-up roll is detachable fixedly connected with barrier plate on the axis of rotation, and the wind-up roll is cliied to location toothed disc and barrier plate to water pipe on the wind-up roll carries on spacingly, has guaranteed wind regularity of water pipe on the wind-up roll.
As a further aspect of the preferred embodiment of the present invention: the lateral wall of drive wheel is provided with the rubber layer, makes two drive wheels can extrude each other and has increased the frictional force between two drive wheels, makes the transmission more smooth and easy.
As a further aspect of the preferred embodiment of the present invention: insection has been seted up to the lateral wall of drive wheel, the insection meshing on two drive wheels, and the setting of insection has been avoided meetting the water and has skidded each other, has increased driven stability.
As a further aspect of the preferred embodiment of the present invention: the fixed guide bar that is provided with in inside of sliding tray, the guide bar slides and passes spring and lift seat to make the slip of lift seat more stable, avoided the spring atress crooked.
As a further aspect of the preferred embodiment of the present invention: the inside of lift seat is provided with linear bearing, and linear bearing nests in on the guide bar, and linear bearing's setting makes the lift seat slide more smoothly.
As a further aspect of the preferred embodiment of the present invention: the wind-up roll includes urceolus and inner tube, the integrative fixed connection of one end of inner tube and urceolus and coaxial setting, and the nested groove that runs through is seted up to the non-link end of lateral wall of inner tube, when carrying out wind-up roll and water pipe end connection, with the attach fitting card of water pipe between urceolus and inner tube support, the water pipe tip is from the inside of nested groove one end embedding to nested groove, attach fitting can not pass nested groove to with water pipe end connection on the wind-up roll, connect convenient and fast.
As a further aspect of the preferred embodiment of the present invention: the inner part of the inner cylinder and the rotating shaft are both of a polygon prism structure, so that the winding roller is conveniently nested on the rotating shaft, and the relative rotation of the winding roller and the rotating shaft is avoided.
Compared with the prior art, the invention has the beneficial effects that: the water pipe penetrates between the movable brush roller and the fixed brush roller, the end part of the movable brush roller is clamped on the winding roller, the stop plate is installed, and the positioning gear disc and the stop plate clamp the winding roller, so that the water pipe on the winding roller is limited, and the winding regularity of the water pipe on the winding roller is guaranteed. The driving piece is started, the winding roller and the positioning gear disc rotate along with the output shaft of the driving piece under the action of the driving piece, the winding roller rotates to wind the water pipe on the winding roller to be wound, and the positioning gear disc drives the driven gear to rotate, so that the fixed brush roller rotates. Under the effect of spring, the lift seat moves down to make the activity brush roller move down, fixed brush roller and activity brush roller clamp are in the upper and lower both sides of water pipe, and the drive wheel on the activity brush roller moves down along with the activity brush roller to with the drive wheel contact on the fixed brush roller, two drive wheels carry out the transmission, thereby make activity brush roller and fixed brush roller antiport, wash water pipe upper and lower surface, clear away the debris on water pipe surface. The rolling and the washing are finished by using one driving piece, so that the device is simplified, and the production and manufacturing cost is reduced. The invention has the advantages that: simple structure, low in production cost, the rolling is neat, and clean degree is high, the facilitate promotion is implemented.
Drawings
Fig. 1 is a front perspective view of a quick water pipe reeling device for a fire engine.
Fig. 2 is a schematic top view of a quick water hose device for a fire fighting truck.
Fig. 3 is a schematic structural view of a cross-section a in fig. 2.
Fig. 4 is a schematic rear perspective view of a quick water pipe reeling device for a fire fighting truck.
Fig. 5 is a structural schematic view of a cross-sectional view B in fig. 2.
In the figure, a motor 1, a positioning gear disc 2, a winding roller 3, a blocking plate 4, a support rod 5, a sliding groove 6, a guide rod 7, a spring 8, a driving wheel 9, a movable brush roller 10, a bottom plate 11, a water pipe 12, a fixed brush roller 13, a driven gear 14, a rotating shaft 15, a lifting seat 16, a nesting groove 17, an outer cylinder 18 and an inner cylinder 19.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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, and it is obvious that the described embodiments are some embodiments, but not all embodiments, of the present invention; 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 order to more clearly understand the technical features, objects, and effects of the present invention, the present invention will now be described with reference to the accompanying drawings.
Example 1
Referring to fig. 1-3, a structure diagram of a fast water hose reeling device for a fire fighting truck according to an embodiment of the present invention includes:
the bottom plate 11 is fixedly provided with a driving piece;
the winding roller 3 is used for winding the water pipe 12;
two support rods 5 are arranged, and the inner side walls of the two support rods 5 are rotatably connected to the end parts of the fixed brush rollers 13;
wherein, the driving part can be a motor 1, a motor, an oil burner and the like, the output shaft of the driving part is fixedly connected with a positioning gear disc 2 and a rotating shaft 15, the rotating shaft 15 is detachably and fixedly connected with a wind-up roll 3, the end part of a water pipe 12 is connected on the wind-up roll 3 and is wound on the wind-up roll, the side edge of the wind-up roll 3 is symmetrically and fixedly provided with two supporting rods 5 on a bottom plate 11, the inner side walls of the two supporting rods 5 are rotatably connected with the end part of a fixed brush roller 13, one end of the fixed brush roller 13 extends out of the supporting rods 5 and is coaxially and fixedly connected with, under the effect of driving piece, wind-up roll 3 and positioning gear dish 2 rotate along with the output shaft of driving piece, and wind-up roll 3 rotates and twines water pipe 12 on wind-up roll 3 and carries out the rolling, and positioning gear dish 2 drives driven gear 14 and rotates to make fixed brush roller 13 rotate.
A sliding groove 6 is arranged on the inner side of the supporting rod 5 above the fixed brush roller 13, a lifting seat 16 is slidably arranged in the sliding groove 6, two ends of the movable brush roller 10 are rotatably connected to the lifting seat 16, the upper surface of the lifting seat 16 is elastically connected to the top of the sliding groove 6 through a spring 8, the lifting seat 16 moves downwards under the action of the spring 8, so that the movable brush roller 10 moves downwards, the fixed brush roller 13 and the movable brush roller 10 are clamped on the upper side and the lower side of the water pipe 12, two ends of the movable brush roller 10 and the fixed brush roller 13 are coaxially and fixedly connected with a driving wheel 9, the driving wheel 9 on the movable brush roller 10 moves downwards along with the movable brush roller 10 and is in contact with the driving wheel 9 on the fixed brush roller 13, the two driving wheels 9 are used for driving, so that the movable brush roller 10 and the fixed brush roller 13 rotate reversely to wash the upper surface and the lower surface of, and impurities on the surface of the water pipe 12 are removed. The driving piece is electrically connected with a controller, the controller can control the opening and closing and the rotating speed of the driving piece,
in the embodiment of the invention, the water pipe 12 passes through the space between the movable brush roller 10 and the fixed brush roller 13, the end part of the water pipe is clamped on the winding roller 3, the stop plate 4 is installed, and the positioning gear disc 2 and the stop plate 4 clamp the winding roller 3, so that the water pipe 12 on the winding roller 3 is limited, and the winding regularity of the water pipe 12 on the winding roller 3 is ensured. The driving piece is started, under the action of the driving piece, the winding roller 3 and the positioning gear disc 2 rotate along with the output shaft of the driving piece, the winding roller 3 rotates to wind the water pipe 12 on the winding roller 3 to be wound, and the positioning gear disc 2 drives the driven gear 14 to rotate, so that the fixed brush roller 13 rotates. Under the action of the spring 8, the lifting seat 16 moves downwards, so that the movable brush roller 10 moves downwards, the fixed brush roller 13 and the movable brush roller 10 are clamped on the upper side and the lower side of the water pipe 12, the driving wheels 9 on the movable brush roller 10 move downwards along with the movable brush roller 10 and are in contact with the driving wheels 9 on the fixed brush roller 13, the two driving wheels 9 are used for driving, so that the movable brush roller 10 and the fixed brush roller 13 rotate reversely, the upper surface and the lower surface of the water pipe 12 are washed, and sundries on the surface of the water pipe 12 are removed.
In one embodiment of the invention, the side edge of the wind-up roll 3 is detachably and fixedly connected with the blocking plate 4 on the rotating shaft 15, and the positioning gear disc 2 and the blocking plate 4 clamp the wind-up roll 3, so that the water pipe 12 on the wind-up roll 3 is limited, and the winding regularity of the water pipe 12 on the wind-up roll 3 is ensured.
In an embodiment of the present invention, the outer side wall of the transmission wheel 9 is provided with a rubber layer, so that the two transmission wheels 9 can be pressed against each other to increase the friction force between the two transmission wheels 9, and the transmission is smoother.
In one embodiment of the present invention, a guide rod 7 is fixedly disposed inside the sliding groove 6, and the guide rod 7 slides through the spring 8 and the lifting seat 16, so that the sliding of the lifting seat 16 is more stable and the spring 8 is prevented from bending under force.
In one embodiment of the present invention, the lifting base 16 is provided with a linear bearing inside, the linear bearing is nested on the guide rod 7, and the linear bearing is provided to make the lifting base 16 slide more smoothly.
Referring to fig. 4-5, in an embodiment of the present invention, the wind-up roll 3 includes an outer cylinder 18 and an inner cylinder 19, the inner cylinder 19 and one end of the outer cylinder 18 are fixedly connected and coaxially disposed, a non-connection end of a side wall of the inner cylinder 19 is provided with a through nesting groove 17, when the wind-up roll 3 is connected with an end of the water pipe 12, a connection joint of the water pipe is clamped between the outer cylinder 18 and the inner cylinder 19, the end of the water pipe 12 is embedded into the nesting groove 17 from one end of the nesting groove 17, and the connection joint cannot pass through the nesting groove 17, so that the end of the water pipe 12 is connected to the wind-up roll 3, and the connection.
In one embodiment of the present invention, the inner portion of the inner cylinder 19 and the rotating shaft 15 are both polygonal prism structures, so that the wind-up roll 3 is conveniently nested on the rotating shaft 15, thereby preventing the wind-up roll 3 and the rotating shaft 15 from rotating relatively. Insection has been seted up to the lateral wall of drive wheel 9, the insection meshing on two drive wheels 9, and 9 has been avoided meetting the water and has skidded each other in the setting of insection, has increased driven stability.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (8)
1. The utility model provides a fire engine is with quick water pipe reeling device which characterized in that, fire engine include with quick water pipe reeling device:
the bottom plate (11), the driving piece is fixedly arranged on the bottom plate (11);
the winding roller (3) is used for winding the water pipe (12);
the number of the supporting rods (5) is two, and the inner side wall of each supporting rod (5) is rotatably connected to the end part of the fixed brush roller (13);
wherein, the output shaft of the driving piece is fixedly connected with a positioning gear disc (2) and a rotating shaft (15), the winding roller (3) is detachably and fixedly connected with the rotating shaft (15), one end of the fixed brush roller (13) extends out of the supporting rod (5) and is coaxially and fixedly connected with a driven gear (14), and the driven gear (14) is meshed with the positioning gear disc (2);
the sliding groove (6) is formed in the inner side of the supporting rod (5) above the fixed brush roller (13), the lifting seat (16) is placed in the sliding groove (6) in a sliding mode, the two ends of the movable brush roller (10) are connected to the lifting seat (16) in a rotating mode, the upper surface of the lifting seat (16) is connected to the top of the sliding groove (6) through the spring (8) in an elastic mode, and the driving piece is electrically connected with the controller.
2. The quick water pipe rolling device for the fire fighting truck according to claim 1, characterized in that the side edge of the wind-up roll (3) is detachably and fixedly connected with a blocking plate (4) on the rotating shaft (15), and the wind-up roll (3) is clamped by the positioning gear disc (2) and the blocking plate (4).
3. The quick water pipe reeling device for the fire engine as claimed in claim 1, wherein the outer side wall of the driving wheel (9) is provided with a rubber layer.
4. The quick water pipe reeling device for the fire engine as claimed in claim 1, wherein the outer side wall of the driving wheel (9) is provided with insections, and the insections on the two driving wheels (9) are meshed.
5. The quick water pipe reeling device for the fire engine according to claim 1, characterized in that the inside of the sliding groove (6) is fixedly provided with a guide rod (7), and the guide rod (7) slides through the spring (8) and the lifting seat (16).
6. The quick water pipe reeling device for the fire engine according to claim 5, characterized in that the lifting seat (16) is internally provided with a linear bearing, and the linear bearing is nested on the guide rod (7).
7. The fire engine rapid water pipe winding device according to any one of claims 1 to 6, wherein the winding roller (3) comprises an outer cylinder (18) and an inner cylinder (19), one end of the inner cylinder (19) and one end of the outer cylinder (18) are fixedly connected and coaxially arranged, a through nesting groove (17) is formed in a non-connecting end of the side wall of the inner cylinder (19), when the winding roller (3) is connected with the end of the water pipe (12), a connecting joint of the water pipe is clamped between the outer cylinder (18) and the inner cylinder (19) for supporting, and the end of the water pipe (12) is embedded into the nesting groove (17) from one end of the nesting groove (17).
8. The quick water pipe reeling device for the fire engine as claimed in claim 7, wherein the inside of the inner drum (19) and the rotating shaft (15) are both of a polygonal prism structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544200.9A CN111643839A (en) | 2020-06-15 | 2020-06-15 | Quick water pipe rolling device for fire fighting truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010544200.9A CN111643839A (en) | 2020-06-15 | 2020-06-15 | Quick water pipe rolling device for fire fighting truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111643839A true CN111643839A (en) | 2020-09-11 |
Family
ID=72349915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010544200.9A Withdrawn CN111643839A (en) | 2020-06-15 | 2020-06-15 | Quick water pipe rolling device for fire fighting truck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111643839A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697611A (en) * | 2021-09-15 | 2021-11-26 | 福建闽山消防有限公司 | Quick unwinding device of outdoor fire hose |
| CN114261814A (en) * | 2021-12-29 | 2022-04-01 | 福建福融新材料有限公司 | Coiling mechanism is used in polyethylene plastic film production |
| CN114344785A (en) * | 2022-01-06 | 2022-04-15 | 国泰瑞安股份有限公司 | Fire hydrant case structure convenient to roll |
-
2020
- 2020-06-15 CN CN202010544200.9A patent/CN111643839A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113697611A (en) * | 2021-09-15 | 2021-11-26 | 福建闽山消防有限公司 | Quick unwinding device of outdoor fire hose |
| CN114261814A (en) * | 2021-12-29 | 2022-04-01 | 福建福融新材料有限公司 | Coiling mechanism is used in polyethylene plastic film production |
| CN114344785A (en) * | 2022-01-06 | 2022-04-15 | 国泰瑞安股份有限公司 | Fire hydrant case structure convenient to roll |
| CN114344785B (en) * | 2022-01-06 | 2022-09-30 | 国泰瑞安股份有限公司 | Fire hydrant case structure convenient to roll |
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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 |
Application publication date: 20200911 |
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| WW01 | Invention patent application withdrawn after publication |