CN114215996A - Water pipe leaking stoppage and leakage prevention device - Google Patents
Water pipe leaking stoppage and leakage prevention device Download PDFInfo
- Publication number
- CN114215996A CN114215996A CN202210045540.6A CN202210045540A CN114215996A CN 114215996 A CN114215996 A CN 114215996A CN 202210045540 A CN202210045540 A CN 202210045540A CN 114215996 A CN114215996 A CN 114215996A
- Authority
- CN
- China
- Prior art keywords
- water pipe
- axial
- sleeve
- plate
- repairing sleeve
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 230000002265 prevention Effects 0.000 title description 3
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000008439 repair process Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 description 10
- 230000037431 insertion Effects 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
- F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
- F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
- F16L55/172—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose the ring, band or sleeve being tightened by a tangentially arranged threaded pin and a nut
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pipe Accessories (AREA)
Abstract
The invention provides a water pipe leakage stopping and preventing device, which is characterized by comprising: the pipeline repairing sleeve is formed by combining two identical half bodies, each half body is provided with an axial semicircular groove matched and connected with the outer wall of a water pipe, the two half bodies are integrated through locking buckles, and reinforcing mechanisms are respectively arranged at the two axial ends of the integrated pipeline repairing sleeve. The pipeline repairing sleeve can conveniently wrap the pipeline repairing sleeve formed by combining two identical half bodies after the leakage part of the water pipe is leaked, the two half bodies are locked and fixed into a whole through the locking buckle, and the pipeline repairing sleeve fixed into a whole through the locking buckle and the water pipe are connected in a reinforcing mode through the reinforcing mechanism, so that the repairing effect of water pipe leaking stoppage is improved. The invention can be quickly installed under pressure without stopping water, thereby not only improving the maintenance efficiency, but also avoiding the loss of enterprises caused by production stoppage.
Description
Technical Field
The invention relates to a leakage-proof device, in particular to a water pipe leakage-stopping and leakage-proof device, belonging to the technical field of design and manufacture of pipe fittings.
Background
Water utilization equipment of iron and steel enterprises mainly comprises a sintering machine, a blast furnace, a converter, a generator boiler and the like, and major equipment accidents and production safety accidents can be caused once water supply interruption occurs. The existing water supply pipe mainly adopts a buried type and an overhead type, and the leakage condition caused by pipeline corrosion is easy to occur due to the complex components and poor water quality of the production water of iron and steel enterprises. At present, repair welding is basically adopted by maintenance personnel for repairing a leakage point of a water pipe, and the repair welding can be maintained only under the condition of water cut-off, so that equipment and personnel safety can be ensured only by stopping production and stopping production during each maintenance. Therefore, not only is the production seriously affected, but also the frequent shutdown and production halt bring unnecessary loss to enterprises. There is therefore a need for improvements in the prior art.
Disclosure of Invention
The invention provides a water pipe leakage stopping and preventing device, which aims to solve the problem that production equipment is stopped and stops production due to the fact that a welding repair mode adopted by an existing enterprise in the process of maintaining a water leakage point of a water supply pipeline is carried out under the condition of water cut-off.
The invention is completed by the following technical scheme: the utility model provides a water pipe leaking stoppage, leak protection device which characterized in that includes: the pipeline repair sleeve is synthesized by two same half bodies, an axial semicircular groove matched with the outer wall of a water pipe is formed in each half body, the two half bodies are integrated through locking buckles, reinforcing mechanisms are respectively arranged at two axial ends of the pipeline repair sleeve integrated into a whole, so that the two same half bodies are wrapped on the leakage part of the water pipe, the two half bodies are locked and fixed into a whole through the locking buckles, and the pipeline repair sleeve integrated into a whole through locking buckles and the water pipe are connected in a reinforcing mode through the reinforcing mechanisms, so that the repair effect of water pipe leakage blocking is improved.
The pipeline repairing sleeve is characterized in that a sealing layer is arranged in an axial semicircular groove on each half body of the pipeline repairing sleeve, two axial sides of each half body are respectively provided with a straight lug plate extending in the radial direction, a plurality of through holes are formed in each straight lug plate at intervals, the through holes in the two half body straight lug plates on the same side are aligned, a locking buckle is arranged in each through hole, so that the two half bodies can be wrapped on the outer wall of a leakage position of a water pipe to be combined into the pipeline repairing sleeve, the two half bodies are locked through the locking buckles arranged in the through holes in the straight lug plates extending in the radial direction on the two sides, and the leakage is further blocked and prevented through the sealing layers.
The locking buckle comprises a cylindrical pin, one end of the cylindrical pin is provided with a baffle, the other end of the cylindrical pin is provided with an insertion tongue, the insertion tongue is arranged in a groove at the end part of the cylindrical pin, a first spring is arranged in the groove, one end, located on the cylindrical pin, of the baffle is sleeved with a second spring, so that after the cylindrical pin is inserted into the through hole, the lower end of the insertion tongue is inserted into the first spring in the groove, the insertion tongue is abutted against the through hole, and the second spring is matched with the insertion tongue to complete the tight connection of the two half bodies of the pipeline repairing sleeve.
The reinforcing mechanism comprises a water pipe hoop which is arranged at two axial ends of the pipeline repairing sleeve and consists of two rectangular half bodies, the axial outer end of each rectangular half body is provided with a first slide block, the first slide block is matched and connected with a first slide groove at the inner side of a radial connecting plate at the end part, the outer edge of the radial connecting plate is connected with the outer end of an axial pulling plate, the axial pulling plate is provided with a second slide block, the second slide block is matched and connected with a second slide groove which is arranged at the outer edge of a corresponding straight lug plate of the pipeline repairing sleeve, the inner end of the axial pulling plate is matched and connected with a jack which is arranged at the outer edge of the corresponding straight lug plate of the pipeline repairing sleeve through a bolt, the axial pulling plate is provided with a screw hole, a screw rod is arranged in the screw hole, a limiting ring is sleeved on the screw rod, the inner end of the screw rod is matched and connected with a slotted hole which is arranged at the outer edge of the corresponding rectangular half body of the water pipe hoop through the limiting ring, a rotating handle is arranged at the outer end of the screw rod, so that the rectangular half bodies of the water pipe hoop can hold the water pipe tightly or separate the water pipe under the action of the limiting ring, after the water pipe is tightly wrapped by the water pipe hoop, the bolt at the inner end of the axial pulling plate is connected with the jack at the outer edge of the corresponding straight ear plate of the pipeline repairing sleeve, so that the pipeline repairing sleeve is connected in a reinforcing manner.
The second spout is located the pipeline and is repaired the axial both ends department that the cover corresponds straight otic placode outer fringe, and this second spout outer end is established to uncovered, and strengthening mechanism axial arm-tie middle part is located to the second slider, and it slides in or the roll-off along the uncovered of second spout outer end to strengthening mechanism axial arm-tie and pipeline are repaired the cover and are corresponded straight otic placode and link to each other.
The invention has the following advantages and effects: by adopting the scheme, the pipeline repairing sleeve formed by synthesizing two same half bodies can be conveniently wrapped at the leakage part of the water pipe, the two half bodies are locked and fixed into a whole through the locking buckle, and the pipeline repairing sleeve fixed into a whole through the locking buckle and the water pipe are connected in a reinforcing manner through the reinforcing mechanism, so that the repairing effect of water pipe leaking stoppage is improved. The invention can be quickly installed under pressure without stopping water, thereby not only improving the maintenance efficiency, but also avoiding the loss of enterprises caused by production stoppage. Is an ideal water pipe repairing device.
Drawings
FIG. 1 is an axial cross-sectional view of the present invention;
FIG. 2 is a radial cross-sectional view of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1;
FIG. 4 is an enlarged view of portion B of FIG. 1;
fig. 5 is a structure view of the water pipe hoop.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
The invention provides a water pipe leakage stopping and preventing device, which comprises: the pipeline repairing sleeve 1 is formed by combining two identical half bodies, each half body is provided with an axial semicircular groove 3 matched and connected with the outer wall of a water pipe, the two half bodies are combined into a whole through a locking buckle 18, and reinforcing mechanisms 4 are respectively arranged at the two axial ends of the pipeline repairing sleeve 1 combined into a whole, so that after the two identical half bodies are wrapped on the leakage part of the water pipe, the two half bodies are locked and fixed into a whole through the locking buckles 18, and then the pipeline repairing sleeve 1 locked and fixed into a whole is connected with the water pipe in a reinforcing manner through the reinforcing mechanisms 4, so that the repairing effect of water pipe leakage blockage is improved;
the pipeline repairing sleeve 1 is characterized in that a sealing layer 21 is arranged in an axial semicircular groove 3 on each half body of the pipeline repairing sleeve 1, two axial sides of each half body are respectively provided with a straight lug plate 2 extending in the radial direction, each straight lug plate 2 is provided with a plurality of through holes 17 at intervals, the through holes 17 on the two straight lug plates 2 of the half body on the same side are aligned, a locking buckle 18 is arranged in each through hole 17 so as to wrap the two half bodies on the outer wall of a leakage part of a water pipe, the two half bodies are locked through the locking buckles 18 arranged in the through holes 17 on the straight lug plates 2 extending in the radial direction on the two sides after the two half bodies are combined into the pipeline repairing sleeve 1, and the two half bodies are further subjected to leakage stoppage and leakage prevention through the sealing layer 21, as shown in figure 2;
the locking buckle 18 comprises a cylindrical pin 22 with a baffle 24 at one end and an insertion tongue 20 at the other end, the insertion tongue 20 is arranged in a groove at the end of the cylindrical pin 22, a first spring 19 is arranged in the groove, a second spring 23 is sleeved at one end, located on the baffle 24, of the cylindrical pin 22, so that after the cylindrical pin 22 is inserted into the through hole 17, the lower end of the insertion tongue 20 is inserted into the first spring 19 in the groove, the insertion tongue 20 is abutted against the through hole 17, and the second spring 23 is matched with the insertion tongue 20 to complete the tight connection of the two half bodies of the pipeline repairing sleeve 1, as shown in fig. 2;
the reinforcing mechanism 4 comprises a water pipe hoop 14 which is arranged at two axial ends of the pipeline repairing sleeve 1 and consists of two rectangular half bodies, a first slide block 16 is arranged at the axial outer end of each rectangular half body, the first slide block 16 is matched and connected with a first slide groove 13 at the inner side of a radial connecting plate 12 at the end part, the outer edge of the radial connecting plate 12 is connected with the outer end of an axial pull plate 7, a second slide block 8 is arranged on the axial pull plate 7, the second slide block 8 is matched and connected with a second slide groove 9 arranged at the outer edge of a corresponding straight lug plate 2 of the pipeline repairing sleeve 1, the inner end of the axial pull plate 7 is matched and connected with a jack 6 arranged at the outer edge of the corresponding straight lug plate 2 of the pipeline repairing sleeve 1 through a bolt 5, a screw hole is arranged on the axial pull plate 7, a screw rod 11 is arranged in the screw hole, a limiting ring 15 is sleeved on the screw rod 11, the inner end of the screw rod 11 is matched and connected with a slotted hole 25 arranged at the outer edge of the corresponding rectangular half body of the water pipe hoop 14 through the limiting ring 15, The outer end is provided with a rotating handle 10, so that after the rotating handle 10 is operated to rotate the screw 11, the rectangular half body of the water pipe hoop 14 tightly holds the water pipe or is separated from the water pipe under the action of a limiting ring 15, and after the water pipe hoop 14 tightly wraps the water pipe, the rectangular half body is connected with the jack 6 at the outer edge of the straight ear plate 2 corresponding to the pipeline repairing sleeve 1 through the bolt 5 at the inner end of the axial pull plate 7, so that the pipeline repairing sleeve 1 is reinforced and connected;
the axial both ends department that cover 1 corresponds straight otic placode 2 outer fringe is repaired to the pipeline is located to second spout 9, and this second spout 9 outer end is established to uncovered, and 4 axial arm-tie 7 middle parts of strengthening mechanism are located to second slider 8, and it slides in or the roll-off along the uncovered of second spout 9 outer end to 4 axial arm-ties 7 of strengthening mechanism and pipeline repair cover 1 correspond straight otic placodes 2 and link to each other.
Claims (5)
1. The utility model provides a water pipe leaking stoppage, leak protection device which characterized in that includes: the pipeline repairing sleeve is formed by combining two identical half bodies, each half body is provided with an axial semicircular groove matched and connected with the outer wall of a water pipe, the two half bodies are integrated through locking buckles, and reinforcing mechanisms are respectively arranged at the two axial ends of the integrated pipeline repairing sleeve.
2. The water pipe leakage stopping and preventing device as recited in claim 1, wherein a sealing layer is disposed in the axial semicircular groove of each half of the pipe repairing sleeve, a plurality of straight ear plates extending radially are disposed on both axial sides of each half, a plurality of through holes are disposed at intervals on each straight ear plate, the through holes of the two half straight ear plates on the same side are aligned, and a locking buckle is disposed in each through hole.
3. The water pipe leakage stopping and preventing device as claimed in claim 1, wherein the locking buckle comprises a cylindrical pin with a baffle at one end and a tongue at the other end, the tongue is arranged in a groove at the end of the cylindrical pin, a first spring is arranged in the groove, and a second spring is sleeved on the cylindrical pin at one end of the baffle.
4. The water pipe leakage stopping and preventing device as claimed in claim 1, wherein the reinforcing means comprises two water pipe hoops formed by two rectangular half bodies provided at both axial ends of the pipe repairing sleeve, each of the rectangular half bodies having an axially outer end provided with a first slider, the first slide block is matched and connected with a first sliding groove at the inner side of a radial connecting plate at the end part, the outer edge of the radial connecting plate is connected with the outer end of an axial pulling plate, a second slide block is arranged on the axial pulling plate, the second sliding block is matched and connected with a second sliding groove which is arranged at the outer edge of the corresponding straight lug plate of the pipeline repairing sleeve, the inner end of the axial pull plate is matched and connected with a jack which is arranged at the outer edge of the corresponding straight lug plate of the pipeline repairing sleeve through a bolt, a screw hole is arranged on the axial pull plate, a screw rod is arranged in the screw hole, a limit ring is sleeved on the screw rod, the inner end of the screw rod is matched and connected with a slotted hole which is arranged at the outer edge of the corresponding rectangular half body of the water pipe hoop through the limit ring, and a rotating handle is arranged at the outer end of the screw rod.
5. The water pipe leakage stopping and preventing device as recited in claim 4, wherein the second sliding groove is formed at the axial ends of the pipe repair sleeve corresponding to the outer edge of the straight ear plate, the outer end of the second sliding groove is open, and the second sliding block is arranged in the middle of the axial pull plate of the reinforcing mechanism and slides in or out along the opening at the outer end of the second sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210045540.6A CN114215996B (en) | 2022-01-15 | 2022-01-15 | Water pipe plugging and leakage preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210045540.6A CN114215996B (en) | 2022-01-15 | 2022-01-15 | Water pipe plugging and leakage preventing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114215996A true CN114215996A (en) | 2022-03-22 |
| CN114215996B CN114215996B (en) | 2024-01-19 |
Family
ID=80708331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210045540.6A Active CN114215996B (en) | 2022-01-15 | 2022-01-15 | Water pipe plugging and leakage preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114215996B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596927A (en) * | 2022-12-16 | 2023-01-13 | 克拉玛依红山油田有限责任公司（Cn） | Pipeline sealing clamp protecting support |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747561A (en) * | 2015-04-02 | 2015-07-01 | 中国铝业股份有限公司 | Pin shaft with elastic anti-falling column pin |
| CN204459607U (en) * | 2015-01-14 | 2015-07-08 | 重庆科技学院 | Conduit leak gripping device |
| WO2018000536A1 (en) * | 2016-06-26 | 2018-01-04 | 杨越 | Pipe leakage repairing device |
| CN207648340U (en) * | 2017-12-21 | 2018-07-24 | 深圳市娜姆斯海油机械设备有限公司 | A kind of device for plugging |
| CN209012645U (en) * | 2018-10-16 | 2019-06-21 | 天津市优塔卡密封科技股份有限公司 | A kind of novel quick-installation leak stopping strapping |
| CN111174026A (en) * | 2020-02-26 | 2020-05-19 | 安徽欧泰祺智慧水务科技有限公司 | Pipeline repair device is taken off in antiskid |
| CN112944099A (en) * | 2019-12-10 | 2021-06-11 | 中石化石油工程技术服务有限公司 | External leaking stoppage reinforcing device for submarine pipeline |
| CN214368348U (en) * | 2021-01-14 | 2021-10-08 | 佛山市南海市政工程有限公司 | Municipal works water pipe leak protection device |
| CN217056827U (en) * | 2022-01-15 | 2022-07-26 | 玉溪新兴钢铁有限公司 | Water pipe leaking stoppage and leakage prevention device |
-
2022
- 2022-01-15 CN CN202210045540.6A patent/CN114215996B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204459607U (en) * | 2015-01-14 | 2015-07-08 | 重庆科技学院 | Conduit leak gripping device |
| CN104747561A (en) * | 2015-04-02 | 2015-07-01 | 中国铝业股份有限公司 | Pin shaft with elastic anti-falling column pin |
| WO2018000536A1 (en) * | 2016-06-26 | 2018-01-04 | 杨越 | Pipe leakage repairing device |
| CN207648340U (en) * | 2017-12-21 | 2018-07-24 | 深圳市娜姆斯海油机械设备有限公司 | A kind of device for plugging |
| CN209012645U (en) * | 2018-10-16 | 2019-06-21 | 天津市优塔卡密封科技股份有限公司 | A kind of novel quick-installation leak stopping strapping |
| CN112944099A (en) * | 2019-12-10 | 2021-06-11 | 中石化石油工程技术服务有限公司 | External leaking stoppage reinforcing device for submarine pipeline |
| CN111174026A (en) * | 2020-02-26 | 2020-05-19 | 安徽欧泰祺智慧水务科技有限公司 | Pipeline repair device is taken off in antiskid |
| CN214368348U (en) * | 2021-01-14 | 2021-10-08 | 佛山市南海市政工程有限公司 | Municipal works water pipe leak protection device |
| CN217056827U (en) * | 2022-01-15 | 2022-07-26 | 玉溪新兴钢铁有限公司 | Water pipe leaking stoppage and leakage prevention device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115596927A (en) * | 2022-12-16 | 2023-01-13 | 克拉玛依红山油田有限责任公司（Cn） | Pipeline sealing clamp protecting support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114215996B (en) | 2024-01-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101313280B1 (en) | Clamp for repairing pipe | |
| US8991871B2 (en) | Apparatus for connecting double jacketed pipes (two-part pipe coupling part) | |
| US8286655B2 (en) | Line stop adapter | |
| CN217056827U (en) | Water pipe leaking stoppage and leakage prevention device | |
| CN114215996A (en) | Water pipe leaking stoppage and leakage prevention device | |
| CN201448550U (en) | Split-type expansion joint used to block leakage | |
| JP4664442B2 (en) | Pipe fitting for spout pipe | |
| US9897240B2 (en) | Weld on insert valve | |
| CN202852326U (en) | Isolated seal fixture with pressure | |
| KR200424710Y1 (en) | Appratus for Sealing Leakage Spot of Pipe | |
| CN210462090U (en) | Non-welding connecting pipe type tapping/plugging tee joint | |
| CN103672097A (en) | Valve assembly for holing in pipeline | |
| CN204704541U (en) | A kind of pipe connection sealer | |
| CN202327077U (en) | Temporary plugging device of pressure container or pipeline | |
| CN101586730B (en) | Quick high-pressure no transmission stoppage urgent repair method and jig | |
| CN102878383A (en) | Isolating belt pressure sealing clamp | |
| CN102329907B (en) | Novel clamp for sealing of hot-blast valve flange and using method thereof | |
| CN202065499U (en) | Connection control valve | |
| CN212107457U (en) | Leakage stopping structure with pressure for leakage point of gas pipeline | |
| CN114060558A (en) | High-sealing ball valve easy to assemble and disassemble | |
| CN207394172U (en) | A kind of two-bolt lock curable type pipeline jointing construction | |
| CN207195926U (en) | Without thrust multifunctional rotary compensator | |
| CN113090854A (en) | Domino clamp assembly for pipeline leakage maintenance and clamp comprising domino clamp assembly | |
| CN202297646U (en) | Novel flange sealing clamp for hot blast valve | |
| RU169897U1 (en) | CLUTCH FOR REPAIR OF SOCKET CONNECTIONS |
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 |