CN110355158A - A kind of water pipeline Accrete clearing device - Google Patents

A kind of water pipeline Accrete clearing device Download PDF

Info

Publication number
CN110355158A
CN110355158A CN201910630108.1A CN201910630108A CN110355158A CN 110355158 A CN110355158 A CN 110355158A CN 201910630108 A CN201910630108 A CN 201910630108A CN 110355158 A CN110355158 A CN 110355158A
Authority
CN
China
Prior art keywords
fixedly connected
pipe
water
dredging pipe
dredging
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.)
Withdrawn
Application number
CN201910630108.1A
Other languages
Chinese (zh)
Inventor
焦新建
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CN201910630108.1A priority Critical patent/CN110355158A/en
Publication of CN110355158A publication Critical patent/CN110355158A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D21/00Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02Settling tanks with single outlets for the separated liquid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices
    • B01D36/04Combinations of filters with settling tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/04Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/043Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
    • B08B9/047Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices having internal motors, e.g. turbines for powering cleaning tools

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention relates to water conservancy auxiliary device applied technical fields, specifically a kind of water pipeline Accrete clearing device, including dredging pipe, it is fixedly connected on the left of dredging pipe and is provided with water inlet pipe, it is fixedly connected on the right side of dredging pipe and is provided with outlet pipe, dredging pipe and water inlet pipe junction are provided with filter frame, filter frame top left hand is provided with pressure sensor, pressure sensor is connect with controller, it is fixedly connected on the inside of dredging pipe and is provided with fixed plate, it is slidably connected on the upside of fixed plate and is provided with rabbling mechanism, precipitating mechanism is provided on the downside of fixed plate, the present invention, by the way that rabbling mechanism is arranged, the mud accumulated in water inlet pipe can be stirred scattered, mud is facilitated to enter precipitating mechanism by slush pump, pass through setting motion bar and spring, it can be when motor rotates, motion bar is thrown away by centrifugal force, form stirring rod, in motor stalls, pass through spring Pulling force reset motion bar, by be arranged baffle, be conducive to retain more silts, improve the efficiency of dredging.

Description

A kind of water pipeline Accrete clearing device
Technical field
The present invention relates to water conservancy auxiliary device applied technical field, specifically a kind of water pipeline Accrete clearing device.
Background technique
Irrigation for farmland, general most area are to dig the form that approach channel carries out flood irrigation, this tradition using high water level Irrigation form water resource waste it is larger, operating efficiency is low, at high cost.Novel irrigation technique mostly uses the side such as sprinkling irrigation or trickle irrigation Formula, requirement of this irrigation method to water quality is relatively high, cannot there is the sundries such as water plant, sandstone, soil, be easy blocking pipeline or Spray head.
And often contain mud and weeds in the water of water conservancy channel, flowing into water pipeline can make pipeline result in blockage, currently, It would generally use and dredging manually is carried out to hydraulic engineering pipeline, but artificial dredging not only increases dredging cost, and time-consuming and laborious, The dredging time can be delayed moreover, can not manually accomplish timely dredging by reducing working efficiency, therefore, for the above status, urgently Need to develop a kind of water pipeline Accrete clearing device, to overcome the shortcomings of in currently practical application.
Summary of the invention
The purpose of the present invention is to provide a kind of water pipeline Accrete clearing devices, to solve mentioned above in the background art ask Topic.
To achieve the above object, the invention provides the following technical scheme:
A kind of water pipeline Accrete clearing device, including dredging pipe, the dredging pipe left side, which is fixedly connected, is provided with water inlet pipe, described clear It is fixedly connected on the right side of silt pipe and is provided with outlet pipe, the dredging pipe and water inlet pipe junction are provided with filter frame, the filter frame Top left hand is provided with pressure sensor, and the pressure sensor is connect with controller, is fixedly connected and sets on the inside of the dredging pipe It is equipped with fixed plate, is slidably connected on the upside of the fixed plate and is provided with rabbling mechanism, is provided with precipitating mechanism on the downside of the fixed plate.
As a further solution of the present invention: the rabbling mechanism includes bull stick, motor, push rod and telescopic rod, described to push away Bar is arranged at the top of fixed plate, and the push rod is slidably connected with fixed plate, is fixedly connected between the push rod right end and dredging pipe It is provided with telescopic rod, the telescopic rod is connect with controller, and the bellows for water proof is provided on the outside of the telescopic rod, described It is bolted on the left of push rod and is provided with motor, be provided with the protective shell being fixedly connected with push rod, the motor on the outside of the motor Left side output end is fixedly connected with stirring rod.
As a further solution of the present invention: the stirring rod includes bull stick and motion bar, on the left of the bull stick and motor Output end connects, and is evenly arranged with several motion bars on the bull stick, the motion bar and bull stick are hinged, are arranged on the bull stick There are several grooves corresponding with motion bar, spring is provided in the groove, the spring and motion bar, spring and bull stick are equal It is fixedly connected.
As a further solution of the present invention: being fixedly connected on the outside of the motion bar and be provided with sawtooth.
As a further solution of the present invention: the precipitating mechanism includes slush pump, settling tank and baffle, the slush pump It is arranged on the left of dredging pipe, the slush pump is bolted with dredging pipe, and the slush pump suction side and setting are at water inlet pipe bottom The suction hose in portion is fixedly connected, and the mud pump output terminal is fixedly connected with dredging tube bottom end, and the dredging pipe inner lower edge is set It is equipped with settling tank, is provided with several baffles being fixedly connected with dredging tube wall on the upside of the settling tank left and right ends.
As a further solution of the present invention: being provided with the water tank connecting with dredging pipe, the water on the downside of the outlet pipe It is fixedly connected between case and dredging pipe by aqueduct, is fixedly connected on the inside of the aqueduct and is provided with strainer, the water tank is right Side, which is bolted, is provided with water pump, and the water pump input terminal is connect with water tank, and output end is connect with outlet pipe.
As a further solution of the present invention: being provided with fixed block, the fixed block and filter frame on the inside of the filter frame Between be fixedly connected and be provided with connecting rod, through-hole is set on the fixed block, and the bull stick passes through through-hole and slides with fixed block Connection.
Compared with prior art, the beneficial effects of the present invention are:
1. by setting rabbling mechanism, the mud accumulated in water inlet pipe can be stirred it is scattered, facilitate mud by slush pump enter sink Shallow lake mechanism;
2. motion bar can be made to throw away by centrifugal force when motor is rotated by setting motion bar and spring, form stirring Bar resets motion bar by the pulling force of spring, reduces the volume of bull stick in motor stalls, by the way that sawtooth is arranged, When motion bar can be made to rotate, water plant is cut;
3. being conducive to retain more silts, improving the efficiency of dredging by setting baffle, by the way that settling tank is arranged, facilitate people The mud of collection is handled;
4. will can be discharged in time, make in dredging pipe through the purified water of filter screen in dredging pipe by setting water tank and water pump More mud are precipitated, the dredging effect of dredging pipe is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of water pipeline Accrete clearing device.
Fig. 2 is the structural schematic diagram of bull stick in water pipeline Accrete clearing device.
Fig. 3 is the structural schematic diagram of filter frame in water pipeline Accrete clearing device.
In figure: 1- water inlet pipe, 2- bull stick, 3- suction hose, 4- motion bar, 5- pressure sensor, 6- filter frame, 7- push rod, 8- protective shell, 9- motor, 10- bellows, 11- telescopic rod, 12- outlet pipe, 13- dredging pipe, 14- slush pump, 15- settling tank, 16- baffle, 17- aqueduct, 18- water tank, 19- water pump, 20- groove, 21- spring, 22- connecting rod, 23- fixed block, 24- are logical Hole.
Specific embodiment
The technical solution of the patent is explained in further detail With reference to embodiment.
The embodiment of this patent is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and is only used for explaining this patent, and cannot be understood as a limitation of this patent.
In the description of this patent, it is to be understood that term " center ", "upper", "lower", "front", "rear", " left side ", The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure Orientation or positional relationship, be merely for convenience of description this patent and simplify description, rather than the device of indication or suggestion meaning or Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limitation to this patent.
In the description of this patent, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, set It sets, or is integrally connected, is arranged.For the ordinary skill in the art, above-mentioned art can be understood as the case may be The concrete meaning of language in this patent.
Embodiment 1
Please refer to Fig. 1~3, in the embodiment of the present invention, a kind of water pipeline Accrete clearing device, including dredging pipe 13, the dredging pipe 13 left sides, which are fixedly connected, is provided with water inlet pipe 1, is fixedly connected on the right side of the dredging pipe 13 and is provided with outlet pipe 12, the dredging pipe 13 are provided with filter frame 6 with 1 junction of water inlet pipe, and 6 top left hand of filter frame is provided with pressure sensor 5, the pressure Sensor 5 is connect with controller, is fixedly connected on the inside of the dredging pipe 13 and is provided with fixed plate, and Slideslip connects in the fixed plate It connects and is provided with rabbling mechanism, be provided with precipitating mechanism on the downside of the fixed plate.
Embodiment 2
In the present embodiment, the rabbling mechanism includes bull stick 2, motor 9, push rod 7 and telescopic rod 11, and the setting of push rod 7 is solid At the top of fixed board, the push rod 7 is slidably connected with fixed plate, is fixedly connected and is provided between 7 right end of push rod and dredging pipe 13 Telescopic rod 11, the telescopic rod 11 are connect with controller, and the bellows 10 for water proof, institute are provided on the outside of the telescopic rod 11 It states to be bolted on the left of push rod 7 and is provided with motor 9, the protective shell 8 being fixedly connected with push rod 7, institute are provided on the outside of the motor 9 It states 9 left side output end of motor to be fixedly connected with stirring rod, by the way that rabbling mechanism, the mud that can will be accumulated in water inlet pipe 1 is arranged Stir it is scattered, facilitate mud by slush pump 14 enter precipitating mechanism.
In the present embodiment, the stirring rod includes bull stick 2 and motion bar 4, and the bull stick 2 connects with 9 left side output end of motor It connects, several motion bars 4 is evenly arranged on the bull stick 2, the motion bar 4 is hinged with bull stick 2, is provided on the bull stick 2 Several grooves 20 corresponding with motion bar 4 are provided with spring 21, the spring 21 and motion bar 4, spring in the groove 20 21 are fixedly connected with bull stick 2, by setting motion bar 4 and spring 21, can make to live by centrifugal force when motor 9 is rotated Lever 4 is thrown away, and forms stirring rod, when motor 9 stops operating, is resetted motion bar 4 by the pulling force of spring 21, is reduced and turn The volume of bar 2.
It in the present embodiment, is fixedly connected on the outside of the motion bar 4 and is provided with sawtooth, by the way that sawtooth is arranged, activity can be made When bar 4 rotates, water plant is cut.
In the present embodiment, the precipitating mechanism includes slush pump 14, settling tank 15 and baffle 16, and the slush pump 14 is arranged In 13 left side of dredging pipe, the slush pump 14 is bolted with dredging pipe 13, and 14 suction side of slush pump is intaking with setting The suction hose 3 of 1 bottom of pipe is fixedly connected, and 14 output end of slush pump is fixedly connected with 13 bottom end of dredging pipe, the dredging pipe 13 inner lower edges are provided with settling tank 15, are provided on the upside of 15 left and right ends of settling tank several solid with 13 tube wall of dredging pipe Surely the baffle 16 connected is conducive to retain more silts, improves the efficiency of dredging, sunk by being arranged by the way that baffle 16 is arranged Shallow lake case 15 facilitates people to handle the mud of collection.
In the present embodiment, be provided with the water tank 18 connecting with dredging pipe 13 on the downside of the outlet pipe 12, the water tank 18 with It is fixedly connected between dredging pipe 13 by aqueduct 17, is fixedly connected on the inside of the aqueduct 17 and is provided with strainer, pass through setting Strainer, so that silt stays in dredging pipe 13, can be bolted on the right side of the water tank 18 with the silt in detention water and be provided with water Pump 19,19 input terminal of water pump is connect with water tank 18, and output end is connect with outlet pipe 12, passes through setting water tank 18 and water pump 19, it will can be discharged in time in dredging pipe 13 through the purified water of filter screen, make the more mud of precipitating in dredging pipe 13, improve The dredging effect of dredging pipe 13.
In the present embodiment, fixed block 23 is provided on the inside of the filter frame 6, it is solid between the fixed block 23 and filter frame 6 Surely be connected with connecting rod 22, through-hole 24 be set on the fixed block 23, the bull stick 2 pass through through-hole 24 and with fixed block 23 It is slidably connected.
The mud accumulated in water inlet pipe 1 can be stirred scattered, side by the way that rabbling mechanism is arranged by the water pipeline Accrete clearing device Just mud enters precipitating mechanism by slush pump 14, by setting motion bar 4 and spring 21, can pass through when motor 9 rotates Centrifugal force throws away motion bar 4, forms stirring rod, when motor 9 stops operating, keeps motion bar 4 multiple by the pulling force of spring 21 Position, reduces the volume of bull stick 2, by the way that sawtooth is arranged, when motion bar 4 can be made to rotate, water plant is cut, by the way that baffle is arranged 16, be conducive to retain more silts, improve the efficiency of dredging, by the way that settling tank 15 is arranged, facilitates people to the mud of collection It is handled, by setting water tank 18 and water pump 19, will can be discharged in time, make through the purified water of filter screen in dredging pipe 13 The more mud of precipitating in dredging pipe 13, improve the dredging effect of dredging pipe 13.
The working principle of the invention is: the water in water conservancy channel enters from water inlet pipe 1, and the silt and water plant in water are filtered Frame 6 filters, and after sludge siltation is excessive, water flow can not continue to flow, and be gathered in water inlet pipe 1, increase the hydraulic pressure in water inlet pipe 1 Greatly, after pressure sensor 5 detects that pressure increases, controller controls telescopic rod 11 and extends, and telescopic rod 11 pushes push rod 7 to moving to left It is dynamic, so that bull stick 2 is passed through the through-hole 24 on fixed block 23 and abuts protective shell 8 with fixed block 23,11 stop motion of telescopic rod, electricity Machine 9 starts, and motor 9 drives bull stick 2 to rotate, and throws away motion bar 4 by centrifugal force, forms stirring rod, will accumulate in water inlet pipe 1 Mud stir scattered, while the sawtooth on motion bar 4 can shred water plant, and the water in water inlet pipe 1 is passed through suction hose 3 by slush pump 14 It is sent into dredging pipe 13, mud is deposited in settling tank 15 after the precipitating in dredging pipe 13, while baffle 16 is conducive to cut More silts are stayed, the efficiency of dredging is improved, water tank is entered after the filtering that the water in dredging pipe 13 passes through 17 Inner filter net of aqueduct In 18, and the water in water tank 18 is sent by outlet pipe 12 by water pump 19 and is discharged.
The above are merely the preferred embodiment of the present invention, it is noted that for those skilled in the art, not Under the premise of being detached from present inventive concept, several modifications and improvements can also be made, these also should be considered as protection model of the invention It encloses, these all will not influence the effect and patent practicability that the present invention is implemented.

Claims (7)

1. a kind of water pipeline Accrete clearing device, including dredging pipe (13), which is characterized in that fixed on the left of the dredging pipe (13) to connect Connect and be provided with water inlet pipe (1), be fixedly connected and be provided with outlet pipe (12) on the right side of the dredging pipe (13), the dredging pipe (13) with Water inlet pipe (1) junction is provided with filter frame (6), and filter frame (6) top left hand is provided with pressure sensor (5), described Pressure sensor (5) is connect with controller, is fixedly connected on the inside of the dredging pipe (13) and is provided with fixed plate, in the fixed plate Slideslip is connected with rabbling mechanism, is provided with precipitating mechanism on the downside of the fixed plate.
2. water pipeline Accrete clearing device according to claim 1, which is characterized in that the rabbling mechanism include bull stick (2), Motor (9), push rod (7) and telescopic rod (11), the push rod (7) are arranged at the top of fixed plate, and the push rod (7) and fixed plate are sliding Dynamic connection, is fixedly connected between push rod (7) right end and dredging pipe (13) and is provided with telescopic rod (11), the telescopic rod (11) It is connect with controller, the bellows (10) for water proof, bolt on the left of the push rod (7) is provided on the outside of the telescopic rod (11) It is connected with motor (9), is provided with the protective shell (8) being fixedly connected with push rod (7), the motor on the outside of the motor (9) (9) left side output end is fixedly connected with stirring rod.
3. water pipeline Accrete clearing device according to claim 2, which is characterized in that the stirring rod include bull stick (2) and Motion bar (4), the bull stick (2) connect with output end on the left of motor (9), are evenly arranged with several activities on the bull stick (2) Bar (4), the motion bar (4) and bull stick (2) hingedly, are provided with several corresponding with motion bar (4) recessed on the bull stick (2) Slot (20), the groove (20) is interior to be provided with spring (21), the spring (21) and motion bar (4), spring (21) and bull stick (2) It is fixedly connected with.
4. water pipeline Accrete clearing device according to claim 3, which is characterized in that fixed on the outside of the motion bar (4) to connect It connects and is provided with sawtooth.
5. water pipeline Accrete clearing device according to claim 1, which is characterized in that the precipitating mechanism includes slush pump (14), settling tank (15) and baffle (16), the slush pump (14) setting on the left of dredging pipe (13), the slush pump (14) with Dredging pipe (13) is bolted, and the suction hose (3) of slush pump (14) suction side and setting in water inlet pipe (1) bottom is fixed to be connected It connects, slush pump (14) output end is fixedly connected with dredging pipe (13) bottom end, and dredging pipe (13) inner lower edge is provided with Settling tank (15), settling tank (15) the left and right ends upside are provided with several gears being fixedly connected with dredging pipe (13) tube wall Plate (16).
6. water pipeline Accrete clearing device according to claim 5, which is characterized in that be provided on the downside of the outlet pipe (12) The water tank (18) connecting with dredging pipe (13) connects between the water tank (18) and dredging pipe (13) by the way that aqueduct (17) are fixed It connects, is fixedly connected on the inside of the aqueduct (17) and is provided with strainer, be bolted on the right side of the water tank (18) and be provided with water pump (19), water pump (19) input terminal is connect with water tank (18), and output end is connect with outlet pipe (12).
7. water pipeline Accrete clearing device according to claim 4, which is characterized in that be provided on the inside of the filter frame (6) Fixed block (23) is fixedly connected between the fixed block (23) and filter frame (6) and is provided with connecting rod (22), the fixed block (23) through-hole (24) are set on, the bull stick (2) passes through through-hole (24) and is slidably connected with fixed block (23).
CN201910630108.1A 2019-07-12 2019-07-12 A kind of water pipeline Accrete clearing device Withdrawn CN110355158A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910630108.1A CN110355158A (en) 2019-07-12 2019-07-12 A kind of water pipeline Accrete clearing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910630108.1A CN110355158A (en) 2019-07-12 2019-07-12 A kind of water pipeline Accrete clearing device

Publications (1)

Publication Number Publication Date
CN110355158A true CN110355158A (en) 2019-10-22

Family

ID=68219227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910630108.1A Withdrawn CN110355158A (en) 2019-07-12 2019-07-12 A kind of water pipeline Accrete clearing device

Country Status (1)

Country Link
CN (1) CN110355158A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111957228A (en) * 2020-08-11 2020-11-20 广州碧涛化妆品有限公司 Emulsifying device and preparation method of pomade
CN112982650A (en) * 2021-03-01 2021-06-18 青岛西海岸市政工程有限公司 Municipal works pipeline drainage pull throughs

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111957228A (en) * 2020-08-11 2020-11-20 广州碧涛化妆品有限公司 Emulsifying device and preparation method of pomade
CN112982650A (en) * 2021-03-01 2021-06-18 青岛西海岸市政工程有限公司 Municipal works pipeline drainage pull throughs

Similar Documents

Publication Publication Date Title
CN209586695U (en) A kind of conveying axial-flow pump with filter device
CN110355158A (en) A kind of water pipeline Accrete clearing device
CN204475288U (en) A kind of anti-blocking water pipeline
CN208363228U (en) Municipal drain
CN108755904A (en) A kind of novel municipal drainage system
CN209522672U (en) A kind of detention tank adding water convenient for draining
CN208472830U (en) A kind of hillside fields rainwater-collecting gravity irrigation device on the spot
CN109914538A (en) A kind of building drainage canal block-preventing device being convenient to clean
CN107558571B (en) Municipal drainage pipeline
CN210917686U (en) Sponge urban road holds drainage system
CN214693581U (en) Drainage filter equipment
CN114631475A (en) Irrigation and pesticide spraying integrated farmland irrigation equipment
CN212715267U (en) Intercepting well capable of automatically removing slag
CN209260815U (en) A kind of rain collector for building
CN211536754U (en) High-efficient type waste water purification unit
CN108499198B (en) Environment-friendly oscillating type sewage filtering treatment device
CN207869935U (en) A kind of afforestation nursery stock irrigation system
CN220899648U (en) Drainage device for building engineering
CN219753415U (en) Prevent stifled formula municipal works rainwater mouth of a river structure down
CN217000052U (en) Filtration formula municipal drainage structures
CN221001291U (en) Anti-blocking garden drainage ditch
CN216304853U (en) A drainage device for landscape river system
CN212790003U (en) Gardens sewage treatment plant of environmental protection
CN114922271B (en) Sewage pipeline capable of cleaning silt
CN213668105U (en) Sewage treatment crushing grid

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
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20191022