CN107246042B - River channel dredging device - Google Patents
River channel dredging device Download PDFInfo
- Publication number
- CN107246042B CN107246042B CN201710567327.0A CN201710567327A CN107246042B CN 107246042 B CN107246042 B CN 107246042B CN 201710567327 A CN201710567327 A CN 201710567327A CN 107246042 B CN107246042 B CN 107246042B
- Authority
- CN
- China
- Prior art keywords
- cover
- dredging
- auger
- silt removing
- side wall
- 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.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8858—Submerged units
- E02F3/8875—Submerged units pulled or pushed
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9243—Passive suction heads with no mechanical cutting means
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/02—Conveying equipment mounted on a dredger
Abstract
The invention discloses a river channel dredging device, and relates to the technical field of river channel dredging. The device comprises a dragging platform, a dredging cover with an opening at the lower end, a barrier plate obliquely fixed at the bottom of the front end of the dredging cover, and supporting rollers uniformly distributed on the left side and the right side of the dredging cover; a mud storage box is fixedly arranged on the dragging platform; the towing platform is connected with the dredging cover through a cable; the bottom of the rear side wall of the dredging cover is provided with a spring expansion plate in a matching way; a silt removing device and a conveying device are arranged in the silt removing cover; the desilting device comprises a transfer box matched with the rear side wall of the desilting cover, a high-pressure air pump fixed at the top of the desilting cover and an electric push rod fixed at the top end inside the desilting cover. The invention has the beneficial effects that: the method has the advantages of wide applicability, simple construction process and high construction efficiency, and can reduce the influence on river water.
Description
Technical Field
The invention relates to the technical field of river channel dredging.
Background
The traditional river channel dredging mode is divided into a wet type and a dry type. Wet dredging is a method of dredging by adopting engineering machinery such as large ships and the like under the condition that river water exists in a river channel; the dry dredging is a mode of dredging engineering machinery such as an excavator and the like after river water is pumped out. The wet method is suitable for river channels with large drainage basins and large water volumes, and the dry method is suitable for river channels with small water volumes, so that different dredging methods are often selected according to actual conditions of the river channels during dredging, and the two dredging methods have obvious limitations.
In addition, the wet method has the problems that the water quality is easy to be disturbed in the dredging process, the survival of fishes and shrimps in river water is influenced, the dredging efficiency is low due to the fact that a large amount of water is brought out by dredging, and the like.
Disclosure of Invention
The invention aims to solve the technical problems, and provides a river channel dredging device which is wide in applicability, simple in construction process, high in construction efficiency and capable of reducing the influence on river water.
The technical scheme adopted by the invention is as follows: the river channel dredging device comprises a dragging platform, a dredging cover with an opening at the lower end, a stop plate obliquely fixed at the bottom of the front end of the dredging cover, and supporting rollers uniformly distributed on the left side and the right side of the dredging cover; a mud storage box is fixedly arranged on the dragging platform; the towing platform is connected with the dredging cover through a cable; the bottom of the rear side wall of the dredging cover is provided with a spring expansion plate in a matching way; a silt removing device and a conveying device are arranged in the silt removing cover;
the desilting device comprises a transfer case matched with the rear side wall of the desilting cover, a high-pressure air pump fixed at the top of the desilting cover and an electric push rod fixed at the top end inside the desilting cover; the transfer box is positioned in the middle of the inner rear side of the dredging cover; the electric push rod is matched with the transfer case; the output end of the electric push rod is downwards fixedly connected with the top end of the transfer box; a silt removing auger is arranged in a matching way through the lower part of the transit box; the silt removing auger is arranged along the horizontal left-right direction; the left side and the right side of the middle part of the transfer box are respectively fixed with a connecting frame; the left end and the right end of the silt removing auger are respectively and rotatably connected with the connecting frames on the two sides; a silt removing motor is fixedly arranged on the connecting frame on the right side; a pricking head is fixed at the lower side of the silt removing motor; the output end of the silt removing motor penetrates through the connecting frame and is coaxially and fixedly connected with the right end of the silt removing auger; the left and right sides of the silt removing auger are opposite in rotation direction; the transfer box is uniformly provided with drain holes; the air outlet of the high-pressure air pump extends into the dredging cover and is connected with the dredging cover in a sealing way;
the conveying device comprises a conveying auger; the rear end of the conveying auger penetrates through the upper part of the transit box and is rotationally connected with the upper part of the rear side wall of the transit box; the conveying auger is sleeved and matched with a sleeve; the rear end of the sleeve penetrates through the front side wall of the upper part of the transfer box and is fixedly communicated with the front side wall; the front side wall of the dredging cover is matched and rotatably connected with a universal ball; the sleeve is matched to penetrate through the universal ball and is connected with the universal ball in a sliding manner; the front end of the sleeve is fixedly connected with a transmission motor; the output end of the transmission motor extends into the sleeve and is coaxially fixed with the front end of the conveying auger; a sludge outlet is formed at the lower side of the front part of the sleeve; the sludge outlet corresponds to the sludge storage tank.
Further optimizing the technical scheme, the inside of the dredging cover of the river dredging device is uniformly distributed with partition plates along the front and back directions; the bottom of the side wall of the dredging cover and the bottom of the clapboard are both wave-shaped structures.
Further optimize this technical scheme, fixed mounting has vibrating motor on river course sediment removal device's the transfer case.
Further optimizing the technical scheme, the surface of the silt removing auger, the surface of the conveying auger, the inner wall of the sleeve and the inner wall of the transit box of the river channel dredging device are coated with a layer of ceramic coating.
The invention has the beneficial effects that:
1. the dredging cover can be placed into water, and the bottom of the dredging cover can be in contact with the surface of sludge; the dragging and carrying platform can drag the dredging cover to move in water through a cable; the supporting rollers can facilitate the dredging cover to move on the surface of the silt in the water, and can also play a supporting role, so that the dredging cover is prevented from being sunk into the silt; the barrier plate can reduce the resistance of water in front of the dredging cover, so that the dredging cover can move more smoothly in the water; the sludge storage tank can store sludge; the spring expansion plate can extend into the sludge; the left and right sides of the silt removing auger are opposite in rotation direction, and silt can be conveyed into the transfer box through rotation; the silt removing motor can drive the silt removing auger to rotate; the electric push rod can adjust the height position of the transfer box, so that the depth of the silt removing auger in the silt is adjusted; the depth of the silt removing auger in the silt is adjusted, namely the effective depth of the operation of the silt removing auger is adjusted; the penetrating head can facilitate the silt removing motor to enter silt; the high-pressure air pump can extrude water in the dredging cover, so that the water in sludge in the transfer box is reduced; the water drain hole on the transfer box can further drain water in the sludge.
2. The transmission motor can drive the conveying auger to rotate; sludge in the transfer box can be conveyed out under the action of the conveying auger and the sleeve; a sludge outlet is formed in the lower side of the front part of the sleeve, corresponds to the sludge storage tank and can enable the conveyed sludge to enter the sludge storage tank through the sludge outlet; the universal ball is connected with the sleeve in a sliding manner, so that the sleeve and the conveying auger correspondingly move while the transfer box moves, and the conveying device can normally work.
3. The vibration motor can vibrate the transfer box, and the ceramic coating and the drain hole on the inner wall of the transfer box are combined, so that the moisture in the transfer box can be further reduced, and the adhesion condition of sludge in the transfer box can be reduced; the clapboard can separate pits on the surface of the sludge, so that water at the pits can be conveniently discharged; the bottom of the side wall of the desilting cover and the bottom of the partition plate are both of wave structures, so that the air inflation and drainage process of the high-pressure air pump can be facilitated.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the platform with the towing load removed;
FIG. 3 is an exploded view of the platform with the tow platform removed;
FIG. 4 is a partially exploded view of the conveyor;
FIG. 5 is a partially exploded view of the silt removing apparatus.
In the figure, 1, a dragging and carrying platform; 2. a dredging cover; 3. a blocking plate; 4. supporting the rollers; 5. a sludge storage tank; 6. a cable; 7. a spring expansion plate; 8. a transfer box; 9. a high pressure air pump; 10. an electric push rod; 11. removing the silt auger; 12. a connecting frame; 13. a silt removing motor; 14. pricking a head; 15. a drain hole; 16. conveying the auger; 17. a sleeve; 18. a universal ball; 19. a drive motor; 20. a sludge outlet; 21. a partition plate; 22. a vibration motor.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, the river dredging device comprises a dragging platform 1, a dredging cover 2 with an opening at the lower end, a barrier plate 3 obliquely fixed at the bottom of the front end of the dredging cover 2, and supporting rollers 4 uniformly distributed at the left side and the right side of the dredging cover 2; a mud storage box 5 is fixedly arranged on the dragging platform 1; the dragging platform 1 is connected with the dredging cover 2 through a cable 6; the bottom of the rear side wall of the dredging cover 2 is provided with a spring expansion plate 7 in a matching way; a silt removing device and a conveying device are arranged in the silt removing cover 2.
As shown in fig. 3 and 5, the desilting device comprises a transfer case 8 matched with the rear side wall of the desilting cover 2, a high-pressure air pump 9 fixed at the top of the desilting cover 2, and an electric push rod 10 fixed at the top end inside the desilting cover 2; the transfer box 8 is positioned in the middle of the inner rear side of the dredging cover 2; the electric push rod 10 is matched with the transfer box 8; the output end of the electric push rod 10 is downwards fixedly connected with the top end of the transit box 8; a silt removing auger 11 is arranged in a matching way through the lower part of the transit box 8; the silt removing auger 11 is arranged along the horizontal left-right direction; the left side and the right side of the middle part of the transfer box 8 are respectively fixed with a connecting frame 12; the left end and the right end of the silt removing auger 11 are respectively and rotatably connected with the connecting frames 12 at the two sides; a silt removing motor 13 is fixedly arranged on the connecting frame 12 on the right side; a pricking head 14 is fixed at the lower side of the silt removing motor 13; the output end of the silt removing motor 13 penetrates through the connecting frame 12 and is coaxially and fixedly connected with the right end of the silt removing auger 11; the left and right sides of the silt removing auger 11 are opposite in rotation direction; the transfer case 8 is evenly provided with drain holes 15; and the air outlet of the high-pressure air pump 9 extends into the dredging cover 2 and is hermetically connected with the dredging cover 2.
As shown in fig. 4, the conveying device comprises a conveying auger 16; the rear end of the conveying auger 16 penetrates through the upper part of the transit box 8 and is rotatably connected with the upper part of the rear side wall of the transit box 8; a sleeve 17 is sleeved outside the conveying auger 16; the rear end of the sleeve 17 penetrates through the front side wall of the upper part of the transit box 8 and is fixedly communicated with the front side wall; the front side wall of the dredging cover 2 is matched and rotatably connected with a universal ball 18; the sleeve 17 is matched to penetrate through the universal ball 18 and is in sliding connection with the universal ball 18; the front end of the sleeve 17 is fixedly connected with a transmission motor 19; the output end of the transmission motor 19 extends into the sleeve 17 and is coaxially fixed with the front end of the conveying auger 16; a sludge outlet 20 is arranged at the lower side of the front part of the sleeve 17; the sludge outlet 20 corresponds to the sludge storage tank 5.
The core technical principle of the invention is that water in the dredging cover 2 is extruded out under the inflation action of the high-pressure air pump 9, and then the dredging effect is achieved through the dredging device and the conveying device. Compared with a wet dredging method, the method greatly reduces water residue in the sludge in the dredging process, and has small influence on river water because the water is discharged in an inflation extrusion mode; compared with a dry dredging method, the method saves a water pumping process, so that the construction is simpler, the construction efficiency is higher, and the applicability is wider.
The towing platform 1 in the embodiment can adopt various towing machines such as ships and the like, when in use, the invention is put into a river channel needing dredging, and the towing platform 1 is connected with the dredging cover 2 through the cable 6; at this moment, spring expansion plate 7 stretches into in the silt, supporting roller 4 and silt surface contact, the aquatic is detained into to desilting cover 2, desilting cover 2 bottom and silt surface contact, partial river has been gone into to desilting cover 2 inner cover this moment, later start electric putter 10 and adjust the high position of transfer case 8 to the degree of depth of silt auger 11 in the silt is removed in the regulation, later start silt motor 13, drive motor 19 and high compression pump 9, drag year platform 1 and drag desilting cover 2 simultaneously and remove.
When the dredging cover 2 moves, the pit parts on the surface of the sludge are separated by the partition plate 21, the dredging cover 2 is continuously inflated by the high-pressure air pump 9, water in the dredging cover 2 is extruded under the action of high-pressure air, the water is discharged through a gap of a wavy structure at the bottom of the dredging cover 2 and the partition plate 21, meanwhile, the sludge removing motor 13 drives the sludge removing auger 11 to rotate, the two sides of the sludge removing auger 11 rotate in opposite directions, sludge on the two sides is simultaneously conveyed to the middle, finally, the sludge enters the transit box 8, part of water in the sludge can be further discharged through the water discharge hole 15, in the process, the vibration motor 22 can be started, and the characteristic that a ceramic coating on the inner wall of the transit box 8 is not adhered and is easy to clean is combined, so that the moisture in the transit box 8 is further reduced, and the adhesion of the sludge in the transit box 8 is reduced.
The transmission motor 19 works to drive the conveying auger 16 to rotate continuously, so that the sludge in the transit box 8 is conveyed out, the conveyed sludge is gradually conveyed out along the sleeve 17 and finally falls into the sludge storage box 5 through the sludge outlet 20, and the whole dredging process is realized.
In the embodiment, the supporting rollers 4 can also be connected and arranged into a height-adjustable structure through springs in a damping manner so as to adapt to the uneven structure on the surface of the sludge layer; the transfer case 8 in this embodiment is connected with desilting cover 2 through electric putter 10, in order to guarantee the fastness of connection, can adopt the welding form, in addition also can install the slide rail in desilting cover 2, makes the altitude mixture control of transfer case 8 pass through the slide rail location, increases the precision of transfer case 8 location.
Claims (4)
1. The utility model provides a river course sediment removal device, carries the platform including dragging, its characterized in that: the device also comprises a dredging cover with an opening at the lower end, a stop plate obliquely fixed at the bottom of the front end of the dredging cover and supporting rollers uniformly distributed at the left side and the right side of the dredging cover; a mud storage box is fixedly arranged on the dragging platform; the towing platform is connected with the dredging cover through a cable; the bottom of the rear side wall of the dredging cover is provided with a spring expansion plate in a matching way; a silt removing device and a conveying device are arranged in the silt removing cover;
the desilting device comprises a transfer case matched with the rear side wall of the desilting cover, a high-pressure air pump fixed at the top of the desilting cover and an electric push rod fixed at the top end inside the desilting cover; the transfer box is positioned in the middle of the inner rear side of the dredging cover; the electric push rod is matched with the transfer case; the output end of the electric push rod is downwards fixedly connected with the top end of the transfer box; a silt removing auger is arranged in a matching way through the lower part of the transit box; the silt removing auger is arranged along the horizontal left-right direction; the left side and the right side of the middle part of the transfer box are respectively fixed with a connecting frame; the left end and the right end of the silt removing auger are respectively and rotatably connected with the connecting frames on the two sides; a silt removing motor is fixedly arranged on the connecting frame on the right side; a pricking head is fixed at the lower side of the silt removing motor; the output end of the silt removing motor penetrates through the connecting frame and is coaxially and fixedly connected with the right end of the silt removing auger; the left and right sides of the silt removing auger are opposite in rotation direction; the transfer box is uniformly provided with drain holes; the air outlet of the high-pressure air pump extends into the dredging cover and is connected with the dredging cover in a sealing way;
the conveying device comprises a conveying auger; the rear end of the conveying auger penetrates through the upper part of the transit box and is rotationally connected with the upper part of the rear side wall of the transit box; the conveying auger is sleeved and matched with a sleeve; the rear end of the sleeve penetrates through the front side wall of the upper part of the transfer box and is fixedly communicated with the front side wall; the front side wall of the dredging cover is matched and rotatably connected with a universal ball; the sleeve is matched to penetrate through the universal ball and is connected with the universal ball in a sliding manner; the front end of the sleeve is fixedly connected with a transmission motor; the output end of the transmission motor extends into the sleeve and is coaxially fixed with the front end of the conveying auger;
a sludge outlet is formed at the lower side of the front part of the sleeve; the sludge outlet corresponds to the sludge storage tank.
2. The river channel dredging device according to claim 1, wherein: partition plates are uniformly distributed in the dredging cover along the front-back direction; the bottom of the side wall of the dredging cover and the bottom of the clapboard are both wave-shaped structures.
3. The river channel dredging device according to claim 1, wherein: and a vibration motor is fixedly arranged on the transfer box.
4. The river channel dredging device according to claim 1, wherein: the surface of the silt removing auger, the surface of the conveying auger, the inner wall of the sleeve and the inner wall of the transit box are coated with a layer of ceramic coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567327.0A CN107246042B (en) | 2017-07-12 | 2017-07-12 | River channel dredging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710567327.0A CN107246042B (en) | 2017-07-12 | 2017-07-12 | River channel dredging device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107246042A CN107246042A (en) | 2017-10-13 |
| CN107246042B true CN107246042B (en) | 2020-02-14 |
Family
ID=60014685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710567327.0A Active CN107246042B (en) | 2017-07-12 | 2017-07-12 | River channel dredging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246042B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108086377A (en) * | 2017-12-31 | 2018-05-29 | 杭州同美水处理技术有限公司 | A kind of dredging mud ship |
| CN109826262B (en) * | 2019-01-18 | 2021-06-08 | 安徽佳明环保科技股份有限公司 | Combined type river channel dredging device |
| CN111501886B (en) * | 2020-05-12 | 2020-12-08 | 诸暨市智盈智能技术服务部 | Automatic dredging equipment for river channel |
| CN113356298B (en) * | 2021-05-24 | 2022-05-24 | 山东瀚海振华重工科技有限公司 | Unpowered dredging device for river channel |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2581607A1 (en) * | 2007-03-12 | 2008-09-12 | Jim Davies | Apparatus for transferring slurry |
| EP2644781B1 (en) * | 2012-03-30 | 2016-06-29 | Jan De Nul N.V. | Pumping means intended for being trailed by a trailing suction hopper dredger and trailing suction hopper dredger equipped with such pumping means |
| GB2509712B (en) * | 2013-01-09 | 2018-08-15 | Gora Pawel | Mechanism for ships in shallow water |
| CN204385800U (en) * | 2014-12-26 | 2015-06-10 | 朱俊杰 | A kind of dredging device for water conservancy projects |
| CN205012390U (en) * | 2015-09-12 | 2016-02-03 | 李秀玉 | Silt remover |
| CN105507360B (en) * | 2016-02-03 | 2019-05-03 | 厦门大学嘉庚学院 | A kind of horizontal spiral conveying mud cleaning equipment and its method for cleaning |
| CN105780841B (en) * | 2016-03-31 | 2017-09-29 | 武汉大学 | A kind of pneumatic type canal lining cleaning machine |
| CN205577003U (en) * | 2016-04-15 | 2016-09-14 | 刘云璞 | Dredging device for water conservancy project |
-
2017
- 2017-07-12 CN CN201710567327.0A patent/CN107246042B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107246042A (en) | 2017-10-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107246042B (en) | River channel dredging device | |
| CN111022055B (en) | Hydraulic jet type seabed polymetallic nodule collecting device and method | |
| CN210847398U (en) | Cleaning device for drill bit of rotary drilling rig | |
| CN110042914A (en) | A kind of canal reactor pipe network dredging robot | |
| CN107178368B (en) | Underwater suction filtration mining vehicle | |
| CN105882338A (en) | Amphibious sewage treatment boat | |
| CN112983425B (en) | Jet flow scouring type stripping-collecting device for seabed semi-buried nodule and collecting method thereof | |
| CN215441781U (en) | Flood discharge gate structure | |
| CN217537113U (en) | River course sediment removal device for water conservancy construction | |
| CN206232583U (en) | Harbour sludge treatment solidification brick making device | |
| CN112900530B (en) | Environment-friendly hydraulic engineering ditch desilting device | |
| WO2022193278A1 (en) | Fixing device and method for liftable/lowerable marine surveying instrument for ship | |
| CN205012388U (en) | Cleaning device for sludge in fishpond | |
| CN212742677U (en) | Channel dredging device | |
| CN110947224B (en) | Silt draining equipment for hydraulic engineering | |
| CN213143174U (en) | Water environment treatment sludge cleaning device | |
| CN211035390U (en) | Electric water decanter | |
| CN206655267U (en) | The Accrete clearing device of reservoir in a kind of hydraulic engineering | |
| CN216616015U (en) | Convenient portable lake bottom sediment removal device | |
| CN220888540U (en) | Canal silt treatment device | |
| CN115162369B (en) | Layered rotary-cut grouting equipment for railway soil slope construction | |
| CN112274989B (en) | Sewage treatment filtration equipment convenient to it is clean | |
| CN213200043U (en) | Efficient cleaning device for dredger | |
| CN217304500U (en) | Icebreaking water sample collection system | |
| CN219450340U (en) | Construction equipment of filling out |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |