CN113145407A - Steady flow conveying system - Google Patents
Steady flow conveying system Download PDFInfo
- Publication number
- CN113145407A CN113145407A CN202011310963.3A CN202011310963A CN113145407A CN 113145407 A CN113145407 A CN 113145407A CN 202011310963 A CN202011310963 A CN 202011310963A CN 113145407 A CN113145407 A CN 113145407A
- Authority
- CN
- China
- Prior art keywords
- flow
- cavity
- connecting channel
- chamber
- pump 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.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
Landscapes
- Coating Apparatus (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- External Artificial Organs (AREA)
Abstract
The invention discloses a steady flow conveying system which comprises a first pump body and is characterized by further comprising a second pump body, a connecting channel and a steady flow cavity, wherein the connecting channel comprises a first connecting channel and a second connecting channel, a steady flow inlet and a steady flow outlet are formed in the steady flow cavity, the inlet of the first connecting channel is connected with the outlet of the first pump body, the outlet of the first connecting channel is connected with the steady flow inlet, the steady flow outlet is connected with the inlet of the second connecting channel, and the outlet of the second connecting channel is connected with the inlet of the second pump body. The steady flow conveying system can not only keep the continuous and stable output of the plaster, the plaster is evenly coated, but also the filter screen is convenient and fast to replace, and all the parts are convenient to clean.
Description
Technical Field
The invention relates to a fluid conveying device, in particular to a device for realizing constant-flow conveying of fluid with high viscosity and poor fluidity.
Background
The plaster is prepared by decocting vegetable oil or animal oil into colloidal matter, coating on one surface of cloth, paper or skin, and sealing with release paper. Because of large viscosity and poor fluidity of the plaster, at present, colloidal plaster is often placed in a special container during automatic plaster processing, a certain amount of plaster is conveyed to a gluing head by a gear pump with strong self-suction force, the plaster is smeared on a base material by the gluing head, and then the next procedure is carried out until a plaster product is processed. Therefore, whether the output flow of the gear pump is stable or not directly influences whether the plaster is evenly coated on the plaster product, and particularly, the output flow of the gear pump is slightly fluctuated when the plaster is coated on a plaster product with a thin plaster coating layer, so that the phenomena of uneven plaster coating and unqualified plaster dosage are easily caused. The existing placing modes of the special container for placing the plaster and the gear pump mainly comprise a gear pump lower position and a gear pump side position, and the output flow of the gear pump is unstable due to the fact that the plaster liquid level of the special container is continuously changed and the inlet pressure of the gear pump is reduced from large to small when the gear pump lower position is carried out; when the gear pump is arranged at the side position, if the plaster amount and the liquid level in the special container are lower, the gear pump can not eat the plaster occasionally, the output flow of the gear pump is small and large, the glue output amount of the gluing head is small and large, and defective plaster products are easy to occur; the gap between the gluing heads is often small, so that large-particle medicines or impurities are easy to block the gluing heads, and defective plaster products are formed; the pressure change around the filter screen not only can be caused to the increase filter screen around the gear pump, and gear pump output flow changes thereupon to conventional filter screen filter area is little, needs often to change. Therefore, how to keep the glue output of the gluing head to be continuous and stable, and when large-particle medicines or impurities are filtered out from the plaster, the filter screen is convenient and quick to replace, and all parts are easy to clean, and the problem needs to be solved urgently.
Disclosure of Invention
The invention aims to provide a steady flow conveying system which can keep continuous and stable output of plaster, uniformly daub the plaster, and has the advantages of convenient and quick replacement of a filter screen and convenient cleaning of all parts.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a stationary flow conveying system, includes the first pump body, still includes the second pump body, connecting channel and stationary flow chamber, connecting channel includes first connecting channel and second connecting channel, is equipped with stationary flow import and stationary flow export on the stationary flow chamber, and wherein the import of first connecting channel links to each other with the export of the first pump body, and the export of first connecting channel links to each other with the stationary flow import, and the stationary flow export links to each other with the import of second connecting channel, and the export of second connecting channel links to each other with the import of the second pump body.
Preferably, a filter cavity defined by the filter screen is arranged in the steady flow cavity, the steady flow cavity is sleeved outside the filter cavity, an opening is reserved in the filter cavity, the opening is connected with the steady flow outlet, and the steady flow inlet is arranged outside the filter cavity.
Preferably, the first pump body and the second pump body are gear pumps.
Preferably, the connecting channel is arranged on the connecting block, a first gear pump cavity and a second gear pump cavity are formed in the connecting block, a pump cavity inlet and a pump cavity outlet are respectively formed in the first gear pump cavity and the second gear pump cavity, and the gear set of the first pump body and the gear set of the second pump body are respectively embedded in the first gear pump cavity and the second gear pump cavity.
Preferably, the flow stabilizing cavity is detachably connected with the connecting channel.
Preferably, the filter cavity is detachably connected with the flow stabilizing cavity.
Preferably, the flow stabilizing cavity is in threaded connection with the connecting channel; and a first end cover and a second end cover are respectively arranged on the first gear pump cavity and the second gear pump cavity.
Preferably, the steady flow inlets are provided with a plurality of steady flow inlets which are respectively arrayed at the bottom of the steady flow cavity.
Preferably, the steady flow inlet and the steady flow outlet are both positioned at the bottom of the steady flow cavity.
Further preferably, the outlet of the first pump body is provided with a pressure sensor.
In the technical scheme, the first pump body is connected with the flow stabilizing cavity through the first connecting channel, and the second pump body is connected with the flow stabilizing cavity through the second connecting channel, so that the plaster is pumped into the flow stabilizing cavity through the first pump body through the first connecting channel, flows through the flow stabilizing cavity and keeps the plaster in the flow stabilizing cavity at a specific pressure, and then is pumped out through the second pump body through the second connecting channel; because the steady flow cavity is sleeved outside the filter cavity, and the steady flow inlet and the steady flow outlet are both positioned at the bottom of the steady flow cavity, the plaster can be pumped to the gluing head after being filtered, so that large-particle impurities are prevented from entering the gluing head to cause the blockage of the gluing head, and the steady flow cavity is filled with the plaster constantly and kept at a specific pressure, so that the plaster is constantly and continuously pumped out from the steady flow cavity through the second pump body, the outlet pressure and the glue output quantity of the second pump body are always kept in a stable state, the plaster coating uniformity of the gluing head is greatly improved, and the product quality is greatly improved; the flow stabilizing cavity is detachably connected with the connecting channel, the filter cavity is detachably connected with the flow stabilizing cavity, so that the filter screen is convenient to mount and dismount, and the flow stabilizing cavity, the filter cavity and the connecting channel are convenient and quick to clean; the plurality of flow stabilizing inlet arrays are arranged at the bottom of the flow stabilizing cavity, so that the first connecting channel can be connected with the flow stabilizing cavity no matter the flow stabilizing cavity rotates to any angle; the connecting channel, the first gear pump cavity and the second gear pump cavity are processed on the connecting block, and the gear set of the first pump body and the gear set of the second pump body are respectively embedded in the first gear pump cavity and the second gear pump cavity, so that the whole connecting block is more convenient to process and manufacture; the first gear pump cavity and the second gear pump cavity are opened through the first end cover and the second end cover, so that the first gear pump cavity and the second gear pump cavity are more convenient to clean, and the purpose that each part of the steady flow conveying system is convenient to clean is achieved.
Drawings
FIG. 1 is a schematic view of a steady flow delivery system of the present invention (with the first and second end caps removed);
FIG. 2 is a schematic front view of the steady flow delivery system of the present invention;
FIG. 3 is a schematic front view of the steady flow delivery system of the present invention;
fig. 4 is a schematic view of a steady flow delivery system of the present invention.
Detailed Description
The invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1, 2, 3, and 4, the present flow stabilizing delivery system includes a first pump body 1, a second pump body 2, a connection channel 3 and a flow stabilizing cavity 4, wherein the connection channel 3 includes a first connection channel 31 and a second connection channel 32, the flow stabilizing cavity 4 is provided with a flow stabilizing inlet 41 and a flow stabilizing outlet 42, an inlet of the first connection channel 31 is connected to an outlet of the first pump body 1, an outlet of the first connection channel 31 is connected to the flow stabilizing inlet 41, the flow stabilizing outlet 42 is connected to an inlet of the second connection channel 32, and an outlet of the second connection channel 32 is connected to an inlet of the second pump body 2. Like this with the import of the first pump body 1 and the special container that the plaster was placed continuous, the export of the second pump body 2 links to each other with the rubber coating head, the first pump body 1 is connected through first connecting channel 31 and stationary flow chamber 4, the second pump body 2 is connected through second connecting channel 32 and stationary flow chamber 4, make the plaster pump pass through the first pump body 1 earlier through first connecting channel 31 pump steady flow chamber 4, through stationary flow chamber 4 stationary flow and keep the plaster in stationary flow chamber 4 at specific pressure, rethread second connecting channel 32 is pumped by the second pump body 2, avoid the interior plaster liquid level of special container constantly to change, the inlet pressure change of the first pump body 1 leads to the rubber coating head to go out the volume fluctuation of gluing, or the interior plaster volume liquid level of special container when the glue volume liquid level is lower the rubber coating head goes out the volume of gluing suddenly little. In this embodiment, be equipped with filter chamber 5 that filter screen 51 encloses in stationary flow chamber 4, make filter screen 51 filtration area greatly increased, stationary flow chamber 4 cover is established outside filter chamber 5, and filter chamber 5 leaves opening 52, opening 52 links to each other with stationary flow outlet 42, stationary flow import 41 locates filter chamber 5 outsidely, make the plaster get into stationary flow chamber 4 and be full of whole stationary flow chamber 4 back by stationary flow import 41 through first pump body 1, just can be by second pump body 2 pump to rubber coating head after filtering through filter screen 51 earlier, avoid large granule impurity to get into the rubber coating head, lead to the rubber coating head to block up, influence product quality. Through setting up stationary flow import 41 and stationary flow export 42 in the stationary flow chamber 4 lower part, guarantee that the import of the second pump body 2 is continuous all the time and has the plaster to pump out through the second pump body 2 by stationary flow chamber 4, and then reach the second pump body 2 export pressure and go out the volume of gluing and keep in stable state all the time, the gluey head plaster is paintd the degree of consistency and is improved greatly, and product quality improves greatly.
In another preferred embodiment, the flow stabilizing cavity 4 is detachably connected with the connecting channel 3, and the filter cavity 5 is detachably connected with the flow stabilizing cavity 4, so that the filter screen 51 is convenient to mount and dismount, and the flow stabilizing cavity 4, the filter cavity 5 and the connecting channel 3 are convenient and quick to clean; in the embodiment, the flow stabilizing cavity 4 is in threaded connection with the connecting channel 3, and a plurality of flow stabilizing inlets 41 are arrayed at the bottom of the flow stabilizing cavity 4, so that the first connecting channel 31 can be connected with the flow stabilizing cavity 4 no matter the flow stabilizing cavity 4 rotates to any angle. In this embodiment, the first pump body 1 and the second pump body 2 both adopt gear pumps with strong self-priming force, a pressure sensor is arranged at the outlet of the first pump body 1, a pressure signal is transmitted to the control system through the pressure sensor, and then the rotating speed of the first pump body 1 is controlled through the control system, so that the stable flow cavity 4 is ensured to be filled with the plaster and kept at a specific pressure, and the plaster is continuously pumped out through the second pump body 2 by the stable flow cavity 4 all the time, so that the outlet pressure and the glue outlet amount of the second pump body 2 are always kept at a stable state.
In another preferred embodiment, the connecting passage 3 is provided on the connecting block 6, the first gear pump chamber 61 and the second gear pump chamber 62 are opened on the connecting block 6, the first gear pump chamber 61 and the second gear pump chamber 62 are provided with a pump chamber inlet and a pump chamber outlet, respectively, so that the gear set of the first pump body 1 and the gear set of the second pump body 2 are embedded in the first gear pump chamber 61 and the second gear pump chamber 62, respectively, and the first end cover 71 and the second end cover 72 are covered on the first gear pump chamber 61 and the second gear pump chamber 62, respectively. The connecting channel 3, the first gear pump cavity 61 and the second gear pump cavity 62 are simultaneously arranged on one connecting block 6, and the whole connecting block 6 is more convenient to process and manufacture; the first gear pump chamber 61 and the second gear pump chamber 62 are opened through the first end cover 71 and the second end cover 72, so that the first gear pump chamber 61 and the second gear pump chamber 62 are more convenient to clean, and the purpose that each part of the steady flow conveying system is convenient to clean is achieved.
In the technical scheme, the filter cavity 5 is fixed inside the flow stabilizing cavity 4, then the flow stabilizing cavity 4 and the filter cavity 5 are fixed on the connecting channel 3 together, finally the first pump body 1 is connected with the first connecting channel 31, the second pump body 1 is connected with the second connecting channel 32, the filter cavity 5 and the flow stabilizing cavity 4 are convenient and quick to install, and the first connecting channel 31 can be connected with the flow stabilizing cavity 4 no matter the flow stabilizing cavity 4 rotates to any angle; the first pump body 1 and the second pump body 2 are opened, the plaster enters the flow stabilizing cavity 4 from the first pump body 1 through the first connecting channel 31 from the flow stabilizing inlet 41 and fills the gap between the flow stabilizing cavity 4 and the filter cavity 5, and after the plaster forms a certain pressure at the gap between the flow stabilizing cavity 4 and the filter cavity 5, the plaster is filtered by the filter cavity 5 and then flows out to the second connecting channel 32 through the flow stabilizing outlet 42, and finally is pumped out by the second pump body 2. During the period, the pressure signal of the pressure sensor is transmitted to the control system, so that the rotating speed of the first pump body 1 is controlled constantly, the stable flow cavity 4 is ensured to be filled with the plaster and kept at a specific pressure, and the plaster is continuously pumped out from the stable flow cavity 4 through the second pump body 2 all the time, so that the outlet pressure and the glue outlet quantity of the second pump body 2 are always kept at a stable state, the plaster coating uniformity of the coating head is greatly improved, and the product quality is greatly improved; the flow stabilizing cavity 4 and the filter cavity 5 are taken down from the connecting channel together, the filter cavity 5 is detachably connected with the flow stabilizing cavity 4, the filter cavity 5 and the connecting channel 3 are convenient and quick to clean, and the filter screen 51 is convenient and quick to replace.
The embodiment is only for explaining the conception and the implementation of the invention, and does not limit the same, and the technical solution without substantial change is still in the protection scope under the conception of the invention.
Claims (10)
1. The utility model provides a stationary flow conveying system, includes the first pump body, its characterized in that still includes the second pump body, connecting channel and stationary flow chamber, connecting channel includes first connecting channel and second connecting channel, is equipped with stationary flow import and stationary flow export on the stationary flow chamber, and wherein the import of first connecting channel links to each other with the export of the first pump body, and the export of first connecting channel links to each other with the stationary flow import, and the stationary flow export links to each other with the import of second connecting channel, and the export of second connecting channel links to each other with the import of the second pump body.
2. The flow stabilizer delivery system according to claim 1, wherein a filter cavity surrounded by the filter screen is disposed in the flow stabilizer cavity, the flow stabilizer cavity is sleeved outside the filter cavity, the filter cavity is provided with an opening, the opening is connected with the flow stabilizer outlet, and the flow stabilizer inlet is disposed outside the filter cavity.
3. The flow stabilizer delivery system according to claim 1 or 2, wherein the first and second pumps are gear pumps.
4. The steady flow delivery system according to claim 3, wherein the connecting passage is provided in a connecting block, a first gear pump chamber and a second gear pump chamber are formed in the connecting block, the first gear pump chamber and the second gear pump chamber are provided with a pump chamber inlet and a pump chamber outlet, respectively, and the gear set of the first pump body and the gear set of the second pump body are embedded in the first gear pump chamber and the second gear pump chamber, respectively.
5. A regulated flow delivery system according to claim 1 or claim 2, wherein the regulated flow lumen is removably connected to the connection passage.
6. The flow stabilizer delivery system set forth in claim 1 or claim 2 wherein the filter chamber is removably connected to the flow stabilizer chamber.
7. A regulated flow delivery system according to claim 1 or claim 2, wherein the regulated flow lumen is threadedly connected to the connection passage; and a first end cover and a second end cover are respectively arranged on the first gear pump cavity and the second gear pump cavity.
8. The flow stabilizer delivery system according to claim 5, wherein the flow stabilizer inlet is provided in a plurality of arrays at the bottom of the flow stabilizer chamber.
9. The flow stabilizer delivery system of claim 5, wherein the flow stabilizer inlet and the flow stabilizer outlet are both located at the bottom of the flow stabilizer chamber.
10. The flow stabilizer delivery system according to claim 1, wherein the outlet of the first pump body is provided with a pressure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011310963.3A CN113145407B (en) | 2020-11-20 | 2020-11-20 | Steady flow conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011310963.3A CN113145407B (en) | 2020-11-20 | 2020-11-20 | Steady flow conveying system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113145407A true CN113145407A (en) | 2021-07-23 |
| CN113145407B CN113145407B (en) | 2022-11-11 |
Family
ID=76882474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011310963.3A Active CN113145407B (en) | 2020-11-20 | 2020-11-20 | Steady flow conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113145407B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075163A1 (en) * | 2005-09-13 | 2007-04-05 | Smith Alan A | Paint circulating system and method |
| CN204456297U (en) * | 2014-12-25 | 2015-07-08 | 江苏水智乐自动化设备有限公司 | A kind of water supply high-low pressure compensation equipment with automatic cleaning function |
| CN205387735U (en) * | 2016-03-17 | 2016-07-20 | 济南安吉尔实业有限公司 | Take purification performance's energy -saving no negative pressure water supply equipment |
| CN108625958A (en) * | 2018-08-01 | 2018-10-09 | 凯龙高科技股份有限公司 | A kind of urea pump of no air auxiliary |
| CN209261855U (en) * | 2019-01-02 | 2019-08-16 | 西安三元换热设备有限公司 | A kind of distribution current stabilization energy-saving pump |
| CN110252602A (en) * | 2019-07-17 | 2019-09-20 | 东莞市川利制鞋机械有限公司 | Intelligent glue spraying equipment |
| CN210474495U (en) * | 2019-04-25 | 2020-05-08 | 郑州福耀玻璃有限公司 | Quantitative gluing system for automobile glass bracket |
| CN111299093A (en) * | 2020-03-29 | 2020-06-19 | 广州海稀德科技发展有限公司 | High-precision feeding system |
-
2020
- 2020-11-20 CN CN202011310963.3A patent/CN113145407B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070075163A1 (en) * | 2005-09-13 | 2007-04-05 | Smith Alan A | Paint circulating system and method |
| CN204456297U (en) * | 2014-12-25 | 2015-07-08 | 江苏水智乐自动化设备有限公司 | A kind of water supply high-low pressure compensation equipment with automatic cleaning function |
| CN205387735U (en) * | 2016-03-17 | 2016-07-20 | 济南安吉尔实业有限公司 | Take purification performance's energy -saving no negative pressure water supply equipment |
| CN108625958A (en) * | 2018-08-01 | 2018-10-09 | 凯龙高科技股份有限公司 | A kind of urea pump of no air auxiliary |
| CN209261855U (en) * | 2019-01-02 | 2019-08-16 | 西安三元换热设备有限公司 | A kind of distribution current stabilization energy-saving pump |
| CN210474495U (en) * | 2019-04-25 | 2020-05-08 | 郑州福耀玻璃有限公司 | Quantitative gluing system for automobile glass bracket |
| CN110252602A (en) * | 2019-07-17 | 2019-09-20 | 东莞市川利制鞋机械有限公司 | Intelligent glue spraying equipment |
| CN111299093A (en) * | 2020-03-29 | 2020-06-19 | 广州海稀德科技发展有限公司 | High-precision feeding system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113145407B (en) | 2022-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3439795B1 (en) | System and method for monitoring liquid adhesive flow | |
| CN113145407B (en) | Steady flow conveying system | |
| CN213808070U (en) | Steady flow conveyor | |
| CN209066044U (en) | A kind of diamond fretsaw production line medicament automatic adding device | |
| CN217745975U (en) | Diatomite filtering system | |
| CN216392468U (en) | Agricultural is with water conservation drip irrigation pipe | |
| CN214597571U (en) | Colloid filter equipment | |
| CN208543828U (en) | A kind of material pot of 3D printer | |
| CN213492419U (en) | Syrup decoloration filter equipment | |
| CA1259857A (en) | Food forming device | |
| CN218011128U (en) | A distillation plant for vitamin E draws | |
| CN106400593A (en) | A starch spraying device used for a laboratory | |
| CN212820769U (en) | Glue feeding and recycling device of paper packaging box laminating machine | |
| CN210765218U (en) | Environment-friendly energy-saving refiner | |
| CN207567147U (en) | A kind of separating-purifying device of animal collagen peptide | |
| CN214582055U (en) | Cooling device for pagoda candy forming machine | |
| JP2022526812A (en) | Applicator with active back pressure controller | |
| CN220034414U (en) | Tea-seed oil device that comes unstuck | |
| CN211185660U (en) | Chocolate biscuit production equipment | |
| CN218653296U (en) | Sealed emulsion apparatus for producing for gluing | |
| CN110328884A (en) | A kind of intelligence continous way oil plant squeezer | |
| CN210674366U (en) | Filter screen anti-blocking device for fertilizer production | |
| CN208868329U (en) | A kind of compound emulsion thickener dispensing apparatus | |
| CN220460409U (en) | A even mixing arrangement for rice bran oil processing | |
| CN219112076U (en) | Coating machine with uniform coating effect |
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 |