CN114870454A - Water supply treatment filter device - Google Patents

Water supply treatment filter device Download PDF

Info

Publication number
CN114870454A
CN114870454A CN202210631987.1A CN202210631987A CN114870454A CN 114870454 A CN114870454 A CN 114870454A CN 202210631987 A CN202210631987 A CN 202210631987A CN 114870454 A CN114870454 A CN 114870454A
Authority
CN
China
Prior art keywords
pipe
filter
plate
opening
siphunculus
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.)
Pending
Application number
CN202210631987.1A
Other languages
Chinese (zh)
Inventor
殷震育
敬双怡
杨文焕
王志超
高静湉
李卫平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inner Mongolia University of Science and Technology
Original Assignee
Inner Mongolia University of Science and Technology
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inner Mongolia University of Science and Technology filed Critical Inner Mongolia University of Science and Technology
Priority to CN202210631987.1A priority Critical patent/CN114870454A/en
Publication of CN114870454A publication Critical patent/CN114870454A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/62—Regenerating the filter material in the filter
    • B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
    • B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
    • B01D29/643—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a combination of movements with respect to the filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/96—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor in which the filtering elements are moved between filtering operations; Particular measures for removing or replacing the filtering elements; Transport systems for filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention belongs to the technical field of water supply treatment, and particularly relates to a water supply treatment filtering device which comprises a through pipe, wherein a first filtering plate is arranged in the through pipe, a first push rod is arranged on the through pipe along the diameter direction of the through pipe, a first telescopic structure is arranged at one end of the first push rod, a first push plate is arranged at the other end of the first push rod, the first push plate is in contact with the first filtering plate, an opening is formed in the pipe wall of the through pipe, a first accommodating box is connected to the outside of the through pipe and positioned at the opening, the first accommodating box is communicated with the through pipe, the opening is positioned between the push plate and the first accommodating box, and a blocking mechanism capable of sealing the opening is arranged at the opening.

Description

Water supply treatment filter device
Technical Field
The invention belongs to the technical field of water supply treatment, and particularly relates to a water supply treatment filtering device.
Background
Feedwater treatment is an important component in feedwater engineering. The water treatment method aims to remove various harmful impurities contained in raw water through the process flows of dosing, mixing reaction, precipitation (clarification), filtration, disinfection and the like, so as to achieve the water meeting the water quality standard of water for life and production of people.
Chinese patent publication No. CN210631785U discloses a water supply treatment filtering device, which is provided with double filtering channels, including a first filtering pipe and a second filtering pipe, wherein both the first filtering pipe and the second filtering pipe are provided with filter elements, when in use, one filtering channel is used for filtering, and when the filter element in the filtering pipe affects water supply, the other filtering channel is switched to be used for maintaining the blocked filtering channel, the device realizes uninterrupted maintenance, but in use, the filter element can be dismounted for maintenance until the filtering capacity of the filter element is reduced to the minimum, and in the time from the beginning of blockage to the complete blockage, because of partial blockage, the treated water capacity is reduced, the efficiency is reduced, if the blockage is a little, the filter device can be disassembled for maintenance, and the maintenance cost is high, so that the filter device can be cleaned before the blockage is disassembled for maintenance.
Disclosure of Invention
The present invention is directed to a feedwater treatment filter device to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a filter equipment is handled to feedwater, includes the siphunculus, be equipped with first filter in the siphunculus, be equipped with first push rod along its diameter direction on the siphunculus, the one end of first push rod is equipped with first extending structure, and the other end is equipped with first push pedal, first push pedal with first filter contact, the opening has been seted up on the pipe wall of siphunculus, the outside of siphunculus, be located the opening part is connected with the first case that holds, the first case that holds with the siphunculus intercommunication, the opening is located the push pedal with the first case that holds between, the opening part is equipped with and can seals its blocking mechanism.
Preferably, the first telescopic structure comprises a telescopic motor, the telescopic motor is arranged on the through pipe, and an output shaft of the telescopic motor penetrates through the pipe wall of the through pipe and is connected with the first push rod.
Preferably, the blocking mechanism comprises two movable plates and a control mechanism, the two movable plates are movably arranged on the pipe walls on two sides of the opening and are opposite in moving direction, and the control mechanism is respectively connected with the two movable plates.
Preferably, control mechanism includes two positive and negative motors, the siphunculus is located all be equipped with the recess on the pipe wall of opening both sides, the fly leaf is located in the recess, be equipped with on the pipe wall of siphunculus positive and negative motor, every all be connected with the gear on the positive and negative motor, every recess internal gearing the gear is equipped with the one end of rack, the other end of rack is connected the fly leaf.
Preferably, the side wall of the first push plate, which is close to the first filter plate, is provided with a fine brush.
Preferably, the thin brush is disposed obliquely with respect to the first containing box.
Preferably, the through pipe is internally provided with a second filter plate at the downstream of the first filter plate, and the diameter of the filter hole of the second filter plate is smaller than that of the filter hole of the first filter plate.
Preferably, a second pushing mechanism is arranged in the upstream direction of the second filter plate, the first pushing rod, the first pushing plate, the first accommodating box and the first telescopic structure form a first pushing mechanism, and the second pushing mechanism and the first pushing mechanism are arranged in the same mode.
Preferably, the first containing box and the second containing box are both provided with outlets, and the outlets are provided with box doors in a detachable mode.
Preferably, be equipped with the breach on the siphunculus, breach department can be dismantled and be equipped with stereoplasm sealing washer and sealed the pad, sealed pad cover is established in the stereoplasm sealing washer, first filter is located breach department, first filter with the connection can be dismantled to the siphunculus.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the water supply treatment filtering device provided by the invention, through the matching of the first telescopic structure, the first push rod, the first push plate and the first containing box, sundries and garbage can be cleaned in the water supply process, the first filter plate is prevented from being blocked, the water supply process is influenced, and the problem that the filter element can be detached and maintained only when the filtering capacity of the filter element is reduced to the minimum in the prior art, and the water supply efficiency is reduced is solved.
2. According to the water supply treatment filtering device provided by the invention, sundries and garbage can be retained in the first accommodating box through the cooperation of the spring, the movable plate and the sealing plate, so that the subsequent cleaning is not influenced.
3. The water supply treatment filtering device provided by the invention has the advantages that the first filtering plate is cleaned by the fine brush and matched with the second filtering plate, so that impurities and garbage in water can be filtered more effectively.
Drawings
FIG. 1 is a schematic view of a feed water treatment filtration apparatus according to the present invention;
FIG. 2 is an enlarged view of the junction of the first push plate and the first filter plate;
FIG. 3 is an enlarged view of part A;
FIG. 4 is a view showing the connection relationship between the notch and the first filter plate.
Description of reference numerals: 1. pipe passing; 2. a first filter plate; 3. a first push rod; 4. a first push plate; 5. a first accommodating box; 6. a movable plate; 7. an opening; 8. a positive and negative motor; 9. a telescopic motor; 10. a gear; 11. a groove; 12. fine brushing; 13. a second filter plate; 14. a second push rod; 15. a second push plate; 16. a second accommodating box; 17. a notch; 18. a rack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a water supply treatment filtering device, which includes a through pipe 1, a first filter 2 is arranged in the through pipe 1, the first filter 2 corresponds to a pipe opening of the through pipe 1, a first push rod 3 is arranged on the through pipe 1 along a diameter direction thereof, one end of the first push rod 3 is provided with a first telescopic structure, the other end of the first push rod is provided with a first push plate 4, the first push plate 4 contacts with the first filter 2, an opening 7 is arranged on a pipe wall of the through pipe 1, a first accommodating box 5 is connected to an outside of the through pipe 1 and located at the opening 7, the first accommodating box 5 is communicated with the through pipe 1, the opening 7 is located between the first accommodating box 5 and the push plate 4, and a blocking mechanism capable of sealing the opening 7 is arranged at the opening.
During the use, rivers get into siphunculus 1, and the direction is from left to right in figure 1, first filter 2 blocks the rubbish debris in aqueous, utilizes first extending structure drives first push rod 3 with first push pedal 4 removes, will first push rod 3 with first push pedal 4 promotes to the direction of containing case 5, at this moment, first push pedal 4 will debris on the first filter 2 and rubbish pass opening 7 push to in the first containing case 5, utilize blocking mechanism blocks opening 7, make first filter 2 not blocked up by debris and rubbish.
In this embodiment, as shown in fig. 1, the first telescopic structure includes a telescopic motor 9, the telescopic motor 9 is disposed on the through pipe 1, an output shaft of the telescopic motor 9 penetrates through a pipe wall of the through pipe 1 to be connected to the first push rod 3, and the telescopic motor 9 drives the first push rod 3 and the first push plate 4 to move.
In this embodiment, as shown in fig. 1, the blocking mechanism includes two movable plates 6 and a control mechanism, the two movable plates 6 are movably disposed on the pipe walls at two sides of the opening 7, the two movable plates 6 are located at two sides of the opening 7, and the moving directions are opposite, and the control mechanism is connected to the two movable plates 6 respectively, and is configured to control the movable plates 6 to move. The control mechanism controls the movable plate 6 to block or open the opening 7 by the opening 7.
In this embodiment, as shown in fig. 1, the control mechanism includes two positive and negative motors 8, the siphunculus 1 be located all be equipped with recess 11 on the pipe wall of opening 7 both sides, the fly leaf 6 is located in the recess 11, be equipped with on the outer pipe wall of siphunculus 1 positive and negative motors 8, every all be connected with gear 10 on the positive and negative motors 8, every the internal gearing of recess 11 the gear 10 is equipped with the one end of rack 18, the other end of rack 18 is connected the fly leaf 6. When the first push plate 4 pushes sundries and garbage into the first accommodating box 5, the forward and reverse motor 8 is started, the forward and reverse motor 8 drives the gear 10 to rotate, so as to drive the rack 18 to move, so as to drive the movable plate 6 to move, so that the movable plate 6 is accommodated in the groove 11, and the sundries and the garbage are pushed into the first accommodating box 5.
In this embodiment, as shown in fig. 1, the first push plate 4 is provided with a thin brush 12 near the side wall of the first filter plate 2. When the first push plate 4 pushes the sundries and the garbage, there may be small particles left in the filter holes of the first filter plate 2, and the fine brush 12 can clean the filter holes when the first push plate 4 moves.
In the present embodiment, as shown in fig. 1, the thin brush 12 is disposed obliquely with respect to the first containing box 5. Because first push pedal 4 orientation when pushing away debris and rubbish the first 5 movements of holding, thin brush 12 with the direction of motion of first push pedal 4 is the same, works as when thin brush 12 is from up moving down, thin brush 12 can get into in the filtration pore of first filter 2 is favorable to clearing up the filtration pore of first filter 2.
In this embodiment, as shown in fig. 1, a second filter plate 13 is disposed in the through pipe 1 downstream of the first filter plate 2, and the diameter of the filter holes of the second filter plate 13 is smaller than that of the first filter plate 2. When the fine brush 12 removes foreign materials from the filter holes of the first filter plate 2, the foreign materials may pass through the first filter plate 2, and the second filter plate 13 may block the foreign materials.
In this embodiment, as shown in fig. 1, a second pushing mechanism is disposed in an upstream direction of the second filter plate 13, the first pushing rod 3, the first pushing plate 4, the first accommodating box 5, and the first telescopic structure form a first pushing mechanism, the second pushing mechanism is disposed in the same manner as the first pushing mechanism, and the second pushing mechanism includes a second pushing rod 14, a second pushing plate 15, a second accommodating box 16, and a second telescopic structure. When the second filter plate 13 has a large amount of sundries stacked thereon, the second pushing mechanism is used for cleaning the sundries on the second filter plate 13, and the cleaning principle is the same as that of the first pushing mechanism.
In this embodiment, as shown in fig. 1, the first accommodating box 5 and the second accommodating box 16 are both provided with an outlet, and the outlet is provided with a box door in a detachable manner. When the first filter plate 2 and the second filter plate 13 need to be cleaned and maintained, the box door is opened first, and the sundries and the garbage collected in the first accommodating box 5 and the second accommodating box 16 are cleaned.
In this embodiment, as shown in fig. 1, be equipped with breach 17 on the siphunculus 1, breach 17 department can be dismantled the cover and be equipped with stereoplasm sealing washer and sealed the pad, sealed pad cover is established in the stereoplasm sealing washer, sealed pad can be stopped up breach 17, first filter 2 is located in breach 17, first filter 2 with the connection can be dismantled to siphunculus 1. During normal feedwater operation, sealed steel ring with the sealing washer is located breach 17 department guarantees the siphunculus 1 is watertight, and is right as needs first filter 2 and second filter 13 clear up when maintaining, will the sealing washer is dismantled, follows breach 17 department will first filter 2 and second filter 13 are dismantled and are got off and clear up the maintenance, convenient maintenance.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.

Claims (10)

1. The utility model provides a feed water treatment filter equipment, its characterized in that includes siphunculus (1), be equipped with first filter (2) in siphunculus (1), be equipped with first push rod (3) along its diameter direction on siphunculus (1), the one end of first push rod (3) is equipped with first extending structure, and the other end is equipped with first push pedal (4), first push pedal (4) with first filter (2) contact, seted up opening (7) on the pipe wall of siphunculus (1), the outside of siphunculus (1), be located opening (7) department are connected with first case (5) that holds, first case (5) that holds with siphunculus (1) intercommunication, opening (7) are located push pedal (4) with first between the case (5) that holds, opening (7) department is equipped with and can seal its blocking mechanism.
2. The feed water treatment filtering device as claimed in claim 1, wherein the first telescopic structure comprises a telescopic motor (9), the telescopic motor (9) is arranged on the through pipe (1), and an output shaft of the telescopic motor (9) penetrates through the pipe wall of the through pipe (1) and is connected with the first push rod (3).
3. The water supply treatment filtering device according to claim 1, characterized in that the blocking mechanism comprises two movable plates (6) and a control mechanism, the two movable plates (6) are movably arranged on the pipe wall at two sides of the opening (7) and move in opposite directions, and the control mechanism is respectively connected with the two movable plates (6).
4. The water supply treatment filtering device according to claim 3, wherein the control mechanism comprises two positive and negative motors (8), grooves (11) are formed in pipe walls of the through pipe (1) on two sides of the opening (7), the movable plate (6) is located in the grooves (11), the positive and negative motors (8) are arranged on outer pipe walls of the through pipe (1), a gear (10) is connected to each positive and negative motor (8), one end of a rack (18) is arranged in the gear (10) in meshed engagement with each groove (11), and the other end of the rack (18) is connected with the movable plate (6).
5. A feed water treatment filter device according to claim 1, characterized in that the side wall of the first push plate (4) adjacent to the first filter plate (2) is provided with a fine brush (12).
6. A feed water treatment filter device according to claim 1, characterized in that the fine brush (12) is arranged obliquely with respect to the first receiving tank (5).
7. A feed water treatment filter device according to any one of claims 1-5, characterised in that a second filter plate (13) is arranged in the through duct (1) downstream of the first filter plate (2), the second filter plate (13) having a smaller filter hole diameter than the first filter plate (2).
8. The feed water treatment filter device according to claim 7, wherein a second pushing mechanism is provided upstream of the second filter plate (13), the first pushing rod (3), the first pushing plate (4), the first accommodating box (5) and the first telescopic structure constitute a first pushing mechanism, and the second pushing mechanism is provided in the same manner as the first pushing mechanism.
9. The feed water treatment filtering device as claimed in claim 8, characterized in that the first containing box (5) and the second containing box (16) are provided with outlets, and the outlets are provided with box doors in a detachable manner.
10. The feed water treatment filtering device as claimed in claim 1, wherein a gap (17) is formed in the through pipe (1), a hard sealing ring and a sealing gasket are detachably arranged at the gap (17), the sealing gasket is sleeved in the hard sealing ring, the first filtering plate (2) is positioned at the gap (17), and the first filtering plate (2) is detachably connected with the through pipe (1).
CN202210631987.1A 2022-06-07 2022-06-07 Water supply treatment filter device Pending CN114870454A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210631987.1A CN114870454A (en) 2022-06-07 2022-06-07 Water supply treatment filter device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210631987.1A CN114870454A (en) 2022-06-07 2022-06-07 Water supply treatment filter device

Publications (1)

Publication Number Publication Date
CN114870454A true CN114870454A (en) 2022-08-09

Family

ID=82678837

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210631987.1A Pending CN114870454A (en) 2022-06-07 2022-06-07 Water supply treatment filter device

Country Status (1)

Country Link
CN (1) CN114870454A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210845427U (en) * 2019-09-24 2020-06-26 四川三盛源工程技术有限公司 Filter equipment that waste water treatment used
CN212236152U (en) * 2020-03-27 2020-12-29 江门市创宏环保科技有限公司 Portable effluent treatment plant with back flush function
CN215137348U (en) * 2021-11-17 2021-12-14 品孚罗特过滤设备（北京）有限公司 Waste water filtering device
CN215690032U (en) * 2021-06-04 2022-02-01 贵州医科大学附属医院 Vomitus collection device is used in nursing of tumour blood administrative or technical offices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210845427U (en) * 2019-09-24 2020-06-26 四川三盛源工程技术有限公司 Filter equipment that waste water treatment used
CN212236152U (en) * 2020-03-27 2020-12-29 江门市创宏环保科技有限公司 Portable effluent treatment plant with back flush function
CN215690032U (en) * 2021-06-04 2022-02-01 贵州医科大学附属医院 Vomitus collection device is used in nursing of tumour blood administrative or technical offices
CN215137348U (en) * 2021-11-17 2021-12-14 品孚罗特过滤设备（北京）有限公司 Waste water filtering device

Similar Documents

Publication Publication Date Title
CN212119509U (en) Waste gas plasma purification device
CN113087246A (en) Photocatalysis water purifying device
CN216038923U (en) Renewable water purification filter element prepared from natural vermiculite
CN216537591U (en) Self-cleaning formula industrial air filter
CN112777786A (en) High-efficiency energy-saving sewage draining environment-friendly device
CN212262516U (en) Urban domestic waste leachate treatment device
CN114870454A (en) Water supply treatment filter device
CN209242815U (en) A kind of equipment of efficient process plastic cleaning waste water
CN216497748U (en) A equipment for sewage treatment
CN114870630A (en) Cleaning equipment who possesses PCB cleaner separation filter mechanism
CN213610227U (en) City river prosthetic devices
CN214019841U (en) Desulfurization dust collecting equipment
CN114811263A (en) Hydraulic pipeline device for hydraulic engineering
CN114849348A (en) Stock solution filter element cleaning system and cleaning process
CN210434088U (en) Device for treating N-methyl pyrrolidone production wastewater
CN108373190B (en) Waste water treatment tank
CN215939211U (en) High-efficient filter equipment of waste water
CN212141711U (en) Based on waste water recovery unit for water purifier
CN215112801U (en) High-efficient environment-friendly oil smoke clarifier
CN214130570U (en) Building engineering water supply and drainage filter equipment
CN211912901U (en) Dirty filtering and storing device for micro-washing machine
CN216440040U (en) Desilting device for industrial wastewater treatment
CN219430884U (en) Environment-friendly water-saving water supply device
CN213446527U (en) Membrane separation purifier of mine acid waste water
CN118026319B (en) Desulfurization dust removal waste water recovery processing system

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