CN109736042B - Water-saving countercurrent recycling washing machine - Google Patents
Water-saving countercurrent recycling washing machine Download PDFInfo
- Publication number
- CN109736042B CN109736042B CN201910000403.9A CN201910000403A CN109736042B CN 109736042 B CN109736042 B CN 109736042B CN 201910000403 A CN201910000403 A CN 201910000403A CN 109736042 B CN109736042 B CN 109736042B
- Authority
- CN
- China
- Prior art keywords
- water
- washing
- side wall
- box body
- dewatering
- 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
Landscapes
- Treatment Of Fiber Materials (AREA)
Abstract
The invention discloses a water-saving countercurrent recycling washing machine which comprises a washing mechanism, a dewatering mechanism and a drying mechanism, wherein the bottoms of the washing mechanism and the dewatering mechanism are connected with a self-cleaning water treatment device through water outlet pipelines, and a water tank is arranged on the left side wall and the right side wall in the washing mechanism and is communicated with the self-cleaning water treatment device through a water inlet pipeline. The washing machine efficiently and thoroughly removes the color deposition, impurities and redundant dyes on the surface of the fabric by using the cooperation of the washing module, the dewatering module and the drying module, has good treatment effect, and ensures that the quality of a finished fabric product reaches the standard; water used in the treatment process can be reused after being treated by the self-cleaning water treatment equipment, so that water resources are saved remarkably, and the economic benefit of enterprises is improved.
Description
Technical Field
The invention belongs to the technical field of cloth washing equipment, and particularly relates to a water-saving counter-current water washing machine for meeting.
Background
After the treatment processes such as printing and dyeing are carried out on the fabric, redundant dye, sizing agent and other impurities can be remained on the surface of the fabric, the surface color deposition of the fabric can also influence the quality of a final finished product, therefore, the fabric must be washed after being printed and dyed, the traditional washing mode is to soak the fabric again in a dye vat, the fabric is dried after the floating color is thrown away, the efficiency of the washing mode is extremely low, the water in the vat needs to be changed ceaselessly in order to be cleaned as far as possible, the water resource waste is serious, the fabric washing effect is not good, the quality of the final finished product is difficult to reach the standard, and great loss can be caused to a manufacturer, so that it is necessary to design a more efficient washing machine for printing and dyeing the fabric.
Disclosure of Invention
Aiming at the problems, the invention aims to provide a water-saving countercurrent recycling washing machine which has three modules of water collection washing, dehydration and drying, has extremely high treatment efficiency, can recycle water resources after passing through a self-cleaning water treatment device, and obviously saves the water resources.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: the invention discloses a water-saving countercurrent recycling washing machine, which comprises a washing mechanism, a dewatering mechanism and a drying mechanism, the bottoms of the washing mechanism and the dewatering mechanism are both connected with a self-cleaning water processor through water outlet pipelines, the left side wall and the right side wall in the washing mechanism are respectively provided with a water tank which is communicated with the self-cleaning water processor through a water inlet pipeline, a cloth inlet is arranged on the left side wall of the washing mechanism and positioned at the lower part of the water tank, a cloth outlet communicated with the cloth inlet of the dewatering mechanism is arranged above the right side wall, a washing material guide roller frame is arranged between the two water tanks, the washing material guide roller frame is longitudinally connected with two washing material guide rollers, a plurality of high-pressure water pipes with downward inclined water outlets are arranged on the inner side wall of the water tank, the bottom of the water washing material guide roller frame is fixedly connected to a filter plate, the filter plate is arranged below the cloth inlet, and an activated carbon color absorption layer is arranged below the filter plate; two dehydration guide rollers are longitudinally arranged on the right side in the dehydration mechanism, a microwave oscillator is arranged between the top dehydration guide roller and the cloth inlet, and a high-pressure gas spraying device is arranged on the right side wall of the dehydration mechanism; the drying mechanism comprises an inner box body and an outer box body which surrounds the side wall of the middle section of the inner box body, a plurality of drying guide rollers are arranged in the inner box body in a staggered mode, a plurality of hot air outlet channels are arranged between the drying guide rollers, a plurality of hot air jetting ports are arranged on the upper side wall and the lower side wall of each hot air outlet channel, the outer side end of each hot air outlet channel is communicated with the inner part of the outer box body, an air inlet is formed in the bottom of the outer box body and connected with a hot air furnace, a moisture discharging port is formed in the top of the inner box body, a cloth inlet is formed in the bottom of the left side of the inner box body, and a cloth outlet is formed in the top of the right side of the inner box body.
Furthermore, two brush hair plate racks are oppositely arranged in the middle of the water washing material guide roller rack, and the cloth penetrates through the middle parts of the two brush hair plate racks.
Furthermore, a set of material pressing roll shafts is arranged at the top of the right side of the water washing mechanism and comprises an upper material pressing roll and a lower material pressing roll, a longitudinal sliding groove is formed in a connecting support of the upper material pressing roll, and the roll shafts of the upper material pressing roll can move longitudinally along the sliding groove and are fixed through positioning pins.
Furthermore, the high-pressure gas ejection device comprises a high-pressure gas pump and a flow guide cover connected to the air outlet end of the high-pressure gas pump, and a plurality of open-horn-shaped ejection outlets are formed in the left side surface of the flow guide cover.
Furthermore, a water inlet pump is arranged on the water inlet pipeline.
Further, the roller ends of the washing guide roller at the bottom end in the washing mechanism, the dewatering guide roller at the bottom end in the dewatering mechanism and the drying guide roller at the bottom end in the drying mechanism are all connected with the output end of the main motor through a belt in a transmission manner, the roller ends of the two washing guide rollers are connected through a belt in a transmission manner, the roller ends of the two dewatering guide rollers are connected through a belt in a transmission manner, and the roller ends of the plurality of drying guide rollers are sequentially connected through a belt in a transmission manner from top to bottom in a pairwise manner.
The invention has the beneficial effects that:
the water-saving countercurrent recycling washing machine disclosed by the invention comprises three modules of washing, dewatering and drying, can remove the color deposition, impurities and redundant dyes on the surface of the printed and dyed fabric by matching the three modules, and has more efficient treatment process and more thorough treatment; water used in the treatment process can be reused after being treated by the self-cleaning water treatment equipment, so that water resources are saved remarkably, and the economic benefit of enterprises is improved.
Drawings
FIG. 1 is a schematic view of the overall structure of a water-saving countercurrent recycling washing machine disclosed by the invention;
fig. 2 is a top schematic view of a bristle plate holder disclosed herein.
1-washing mechanism, 2-dewatering mechanism, 3-drying mechanism, 4-self-cleaning water treatment device, 5-water tank, 6-water inlet pipeline, 7-washing guide roller frame, 8-washing guide roller, 9-high pressure water pipe, 10-filter plate, 11-activated carbon adsorption layer, 12-dewatering guide roller, 13-microwave oscillator, 14-high pressure gas spraying device, 15-drying guide roller, 16-hot air outlet channel, 17-hot air outlet, 18-brush hair plate frame, 19-upper pressure roller, 20-lower pressure roller, 21-chute, 22-high pressure air pump, 23-deflector, 24-outlet, 25-water inlet pump and 26-total motor.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following describes the technical solution of the present invention with reference to fig. 1-2.
It should be noted that the embodiment provided by the present invention is only for effectively explaining the technical features of the present invention, and the terms of positioning such as left side, right side, upper end, lower end, etc. are only for better describing the embodiment of the present invention and should not be construed as limiting the technical solution of the present invention.
In order to solve the problems of low fabric washing efficiency and serious water resource waste after the printing and dyeing process is finished in the prior art, the invention discloses a water-saving countercurrent recycling washing machine which comprises a washing mechanism 1, a dewatering mechanism 2 and a drying mechanism 3, wherein the bottoms of the washing mechanism 1 and the dewatering mechanism 2 are connected with a self-cleaning water treatment device 4 through water outlet pipelines, a water tank 5 is respectively arranged on the left side wall and the right side wall inside the washing mechanism 1 and is communicated with the self-cleaning water treatment device 4 through a water inlet pipeline 6, and a water inlet pump 25 is arranged on the water inlet pipeline 6. The water after the water washing in the water washing mechanism 1 and the water removed from the cloth in the dewatering mechanism 2 enter the water tank for recycling after being treated by the processor, so that the water resource is saved remarkably, and the production cost of enterprises is saved.
The cloth inlet is arranged on the left side wall of the washing mechanism 1 and positioned at the lower part of the water tank 5, the cloth outlet connected with the cloth inlet of the dewatering mechanism 2 is arranged above the right side wall, the washing guide roller frame 7 is arranged between the two water tanks 5, the two washing guide rollers 8 are longitudinally connected on the washing guide roller frame 7, the high-pressure water pipes 9 with the plurality of water outlets inclined downwards are arranged on the inner side wall of the water tank 5, the cloth enters from the inlet at the bottom of the washing mechanism 1 and is conveyed in the box body in a reverse ascending mode, water columns sprayed by the high-pressure water pipes inclined downwards reversely impact the surface of the washed cloth, the color and impurities on the surface of the fabric are washed clean by high efficiency under the action of the reverse high-pressure water columns, and compared with the traditional water tank washing and spraying equipment, the impact force generated by the high-pressure water columns is large, water flow is concentrated, used water resources are fewer, and the fabric is more scientific and environment-friendly.
The bottom of the water washing material guide roller frame 7 is fixedly connected to a filter plate 10, the filter plate 10 is arranged below a cloth inlet, and an activated carbon color absorption layer 11 is arranged below the filter plate 10; the water after washing is filtered by the filter plate 10 and the activated carbon color absorption layer 11, so that impurities with large volume and dye colors in water flow are preliminarily screened out, the cleaning burden of the subsequent self-cleaning water treatment device 4 is reduced, and the device is prevented from being blocked to influence the integral operation of the mechanism.
In order to better remove impurities adhered to the surface of the fabric in the fabric transmission process, two bristle plate frames 18 are oppositely arranged in the middle of the washing material guide roller frame 7, the fabric penetrates through the middle parts of the two bristle plate frames 18, and the soft bristles on the plate frames can brush the impurities on the surface of the fabric.
Can soak more moisture in the fabric tissue after washing, in order to can be by the work efficiency of preliminary cloth dehydration in order to strengthen dewatering mechanism before the fabric gets into dewatering mechanism 2, be equipped with a set of nip roll axle at the right side top of washing mechanism 1, including last nip roll 19 and lower nip roll 20, the cloth passes the extrusion force that receives two nip rolls from the roll axle, and a large amount of moisture is extruded smoothly, in order to adjust the distance between the nip roll in a flexible way according to the thickness of fabric, is equipped with fore-and-aft spout 21 on the linking bridge of last nip roll 19, the roll axle of going up nip roll 19 can be followed spout 21 longitudinal movement and fixed with the locating pin.
Two dewatering guide rollers 12 are longitudinally arranged on the right side in the dewatering mechanism 2, a microwave oscillator 13 is arranged between the top dewatering guide roller 12 and the cloth inlet, moisture on the fabric entering the dewatering mechanism 2 is greatly shaken off under the action of the oscillator, and the dewatering guide rollers 12 are arranged on the right side of the mechanism, so that the water after oscillation cannot have great influence on the fabric in the subsequent transmission process.
In order to further enhance the dehydration effect and reduce the working pressure of the drying mechanism, a high-pressure gas spraying device 14 is arranged on the right side wall of the dehydration mechanism 2; the high-pressure gas spraying device 14 comprises a high-pressure air pump 22 and a flow guide cover 23 connected to the air outlet end of the high-pressure air pump 22, a plurality of open horn-shaped spraying ports 24 are formed in the left side face of the flow guide cover 23, high-pressure gas is blown to the surface of the fabric, water on the fabric is separated from the fabric rapidly, and the dewatering effect is improved obviously.
Drying mechanism 3 includes interior box and encircles including the outer box on the box middle section lateral wall, four stoving guide rollers 15 of staggered arrangement in the box, is equipped with four hot air channel 16 at stoving guide roller 15 within a definite time, is equipped with the hot-blast blowout mouth of several 17 on the upper and lower lateral wall that goes out hot air channel 16, the outside end that goes out hot air channel 16 communicates with each other with outer box inside, is equipped with the air intake and is connected with the hot-blast furnace outside bottom half, is equipped with the hydrofuge mouth at interior box top, is equipped with into cloth mouth at interior box left side bottom, and the right side top is equipped with out the cloth mouth. Because the hot air outlet channel 16 is arranged between the driven fabrics, the distance between the hot air spray opening 17 and the fabrics is short, the hot air drying effect is better, the equipment can be used for drying the upper surface and the lower surface of the fabrics simultaneously, the speed is increased, and the drying process is more uniform.
The washing guide material roller 8 of bottom in the washing mechanism 1, the dehydration deflector roll 12 of bottom in the dehydration mechanism 2 and the stoving guide material roller 15 of bottom in the stoving mechanism 3 the roller end all is connected through the belt and total motor 26's output transmission, the roller end of two washing guide material rollers 8 is connected through belt transmission, the roller end of two dehydration deflector rolls 12 is connected through belt transmission, the roller end of several stoving guide material roller 15 is according to last two liang of belt transmission connections in proper order down. The structure can ensure synchronous transmission of all the roll shafts, the fabric is transmitted at a constant speed between mechanisms, the mechanisms operate more stably, the operation efficiency is better, the whole equipment only needs one main motor 26 to provide power, the electric power expenditure is reduced, and the economy is stronger.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. However, the above description is only an example of the present invention, the technical features of the present invention are not limited thereto, and any other embodiments that can be obtained by those skilled in the art without departing from the technical solution of the present invention should be covered by the claims of the present invention.
Claims (4)
1. A water-saving countercurrent recycling washing machine is characterized by comprising a washing mechanism (1), a dewatering mechanism (2) and a drying mechanism (3), wherein the bottoms of the washing mechanism (1) and the dewatering mechanism (2) are connected with a self-cleaning water treatment device (4) through water outlet pipes, a water tank (5) is respectively arranged on the left side wall and the right side wall inside the washing mechanism (1) and is communicated with a water outlet of the self-cleaning water treatment device (4) through a water inlet pipe (6), a cloth inlet is arranged on the left side wall of the washing mechanism (1) and is positioned at the lower part of the water tank (5), a cloth outlet connected with a cloth inlet of the dewatering mechanism (2) is arranged above the right side wall, a washing guide roller frame (7) is arranged between the two water tanks (5), two washing guide rollers (8) are longitudinally connected on the washing guide roller frame (7), a plurality of high-pressure water pipes (9) with water outlets inclined downwards are arranged on the inner side wall of the water tanks (5), the bottom of the water washing material guide roller frame (7) is fixedly connected to a filter plate (10), the filter plate (10) is arranged below a cloth inlet, an activated carbon color absorption layer (11) is arranged below the filter plate (10), two brush hair plate frames (18) are oppositely arranged in the middle of the water washing material guide roller frame (7), and cloth penetrates through the middle parts of the two brush hair plate frames (18);
two dehydration guide rollers (12) are longitudinally arranged on the right side in the dehydration mechanism (2), a microwave oscillator (13) is arranged between the top dehydration guide roller (12) and the cloth inlet, and a high-pressure gas spraying device (14) is arranged on the right side wall of the dehydration mechanism (2);
the drying mechanism (3) comprises an inner box body and an outer box body surrounding the side wall of the middle section of the inner box body, a plurality of drying guide rollers (15) are arranged in the inner box body in a staggered mode, a plurality of hot air outlet channels (16) are arranged among the drying guide rollers (15), a plurality of hot air spray outlets (17) are arranged on the upper side wall and the lower side wall of each hot air outlet channel (16), the outer side end of each hot air outlet channel (16) is communicated with the inside of the outer box body, an air inlet is formed in the bottom of the outer box body and connected with a hot air furnace, a moisture exhaust port is formed in the top of the inner box body, a cloth inlet is formed in the bottom of the left side of the inner box body, and a cloth outlet is formed in the top of the right side of the inner box body;
the high-pressure gas spraying device (14) comprises a high-pressure air pump (22) and a flow guide cover (23) connected to the air outlet end of the high-pressure air pump (22), and a plurality of open-horn-shaped spraying holes (24) are formed in the left side surface of the flow guide cover (23).
2. The water-saving countercurrent recycling washing machine as claimed in claim 1, wherein a set of nip rolls is arranged at the top of the right side of the washing mechanism (1), and comprises an upper nip roll (19) and a lower nip roll (20), a longitudinal chute (21) is arranged on a connecting bracket of the upper nip roll (19), and a roll shaft of the upper nip roll (19) can move longitudinally along the chute (21) and is fixed by a positioning pin.
3. The water-saving countercurrent recycling washing machine as claimed in claim 2, characterized in that a water inlet pump (25) is arranged on the water inlet pipeline (6).
4. The water-saving countercurrent recycling washing machine as claimed in claim 3, wherein the washing guide rollers (8) at the inner bottom end of the washing mechanism (1), the dewatering guide rollers (12) at the inner bottom end of the dewatering mechanism (2) and the drying guide rollers (15) at the inner bottom end of the drying mechanism (3) are all in transmission connection with the output end of the main motor (26) through belts, the roller shaft ends of the two washing guide rollers (8) are in transmission connection with each other through belts, the roller shaft ends of the two dewatering guide rollers (12) are in transmission connection with each other through belts, and the roller shaft ends of the drying guide rollers (15) are in transmission connection with each other through belts from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000403.9A CN109736042B (en) | 2019-01-02 | 2019-01-02 | Water-saving countercurrent recycling washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910000403.9A CN109736042B (en) | 2019-01-02 | 2019-01-02 | Water-saving countercurrent recycling washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109736042A CN109736042A (en) | 2019-05-10 |
| CN109736042B true CN109736042B (en) | 2021-09-07 |
Family
ID=66363153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910000403.9A Active CN109736042B (en) | 2019-01-02 | 2019-01-02 | Water-saving countercurrent recycling washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109736042B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016227A (en) * | 2021-11-08 | 2022-02-08 | 江苏红旗印染机械有限公司 | Spraying counter-current pre-washing box |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10245766A (en) * | 1997-02-27 | 1998-09-14 | Nitto Boseki Co Ltd | Production of highly impregnating glass fiber cloth |
| CN203478854U (en) * | 2013-08-10 | 2014-03-12 | 南宁市三华太阳能科技有限公司 | Gas-jetting type roaster |
| CN106087304A (en) * | 2016-08-31 | 2016-11-09 | 泉州中投文化发展有限公司 | A kind of cleaning, drying integration apparatus of nonwoven production |
| CN207419035U (en) * | 2017-09-22 | 2018-05-29 | 杭州高明印染有限公司 | A kind of printing and dyeing rinsing machine |
| CN207452479U (en) * | 2017-11-26 | 2018-06-05 | 新乡市护神特种织物有限公司 | Cloth material cleaning device |
| CN207633023U (en) * | 2017-08-07 | 2018-07-20 | 淄博祥源纺织有限公司 | The quick dyeing and finishing pre-treatment combination machine of towel fabric open width |
| CN207793610U (en) * | 2017-12-22 | 2018-08-31 | 绍兴蒲华纺织品有限公司 | A kind of cloth rinsing machine |
| CN108842330A (en) * | 2018-07-20 | 2018-11-20 | 绍兴民程纺织科技有限公司 | A kind of non-woven fabrics cleaning device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4274209A (en) * | 1979-12-28 | 1981-06-23 | The Ichikin, Ltd. | Apparatus for improved aftertreatment of textile material by application of microwaves |
| US7476293B2 (en) * | 2004-10-26 | 2009-01-13 | Voith Patent Gmbh | Advanced dewatering system |
| CN105463728A (en) * | 2015-12-21 | 2016-04-06 | 嵊州市意海电机配件厂 | Cloth cleaning machine |
| CN206015302U (en) * | 2016-06-21 | 2017-03-15 | 东莞市金银丰机械实业有限公司 | Pad dyeing equipment is dried in continuous way desizing |
| CN206486695U (en) * | 2016-12-28 | 2017-09-12 | 菲诺染料化工(无锡)有限公司 | A kind of pressure-air blowing-type dehydration device |
-
2019
- 2019-01-02 CN CN201910000403.9A patent/CN109736042B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10245766A (en) * | 1997-02-27 | 1998-09-14 | Nitto Boseki Co Ltd | Production of highly impregnating glass fiber cloth |
| CN203478854U (en) * | 2013-08-10 | 2014-03-12 | 南宁市三华太阳能科技有限公司 | Gas-jetting type roaster |
| CN106087304A (en) * | 2016-08-31 | 2016-11-09 | 泉州中投文化发展有限公司 | A kind of cleaning, drying integration apparatus of nonwoven production |
| CN207633023U (en) * | 2017-08-07 | 2018-07-20 | 淄博祥源纺织有限公司 | The quick dyeing and finishing pre-treatment combination machine of towel fabric open width |
| CN207419035U (en) * | 2017-09-22 | 2018-05-29 | 杭州高明印染有限公司 | A kind of printing and dyeing rinsing machine |
| CN207452479U (en) * | 2017-11-26 | 2018-06-05 | 新乡市护神特种织物有限公司 | Cloth material cleaning device |
| CN207793610U (en) * | 2017-12-22 | 2018-08-31 | 绍兴蒲华纺织品有限公司 | A kind of cloth rinsing machine |
| CN108842330A (en) * | 2018-07-20 | 2018-11-20 | 绍兴民程纺织科技有限公司 | A kind of non-woven fabrics cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109736042A (en) | 2019-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108819472B (en) | Steam box | |
| CN102877244A (en) | High-efficient continuous washing method for fabric | |
| CN107761282B (en) | Humidifying device for textiles | |
| CN211005953U (en) | Novel desizing device of textile machine | |
| CN201546048U (en) | Water-curtain-type stereoscopic washing machine | |
| CN109736042B (en) | Water-saving countercurrent recycling washing machine | |
| CN207419035U (en) | A kind of printing and dyeing rinsing machine | |
| CN212152713U (en) | Belt cleaning device for clothing cloth | |
| CN107313192A (en) | A kind of efficient desizing machine | |
| CN214992329U (en) | Multi-grid space dyeing equipment for fabric | |
| CN212000216U (en) | Printing and dyeing fabric washing device | |
| CN213061368U (en) | A novel energy-efficient emission reduction deoiling setting device for chemical fiber fabric production | |
| CN111254613B (en) | Dyeing equipment for filament elastic cloth and production process thereof | |
| CN211848463U (en) | Rinsing device for dyeing and finishing cloth | |
| CN115233405A (en) | Stretch heat setting device of greige cloth | |
| CN210420494U (en) | Cloth ultrasonic cleaning device for printing and dyeing | |
| CN113914039A (en) | Numerical control dyeing and finishing equipment | |
| CN113789622B (en) | Cotton yarn washing equipment for spinning | |
| CN207313903U (en) | A kind of haze textile cleaning device | |
| CN105420963A (en) | Practical cloth dyeing device | |
| CN218812565U (en) | Environment-friendly pollution-free washing device for knitting printing and dyeing | |
| CN220643513U (en) | Printing and dyeing fabric rinsing machine | |
| CN210712167U (en) | Rinsing machine | |
| CN217399175U (en) | Loose one-step pretreatment equipment for chemical fiber fabric | |
| CN217781441U (en) | Dyeing device for improving color fastness of polyester cotton fabric |
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 |