CN112189610A - Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster - Google Patents

Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster Download PDF

Info

Publication number
CN112189610A
CN112189610A CN202011043618.8A CN202011043618A CN112189610A CN 112189610 A CN112189610 A CN 112189610A CN 202011043618 A CN202011043618 A CN 202011043618A CN 112189610 A CN112189610 A CN 112189610A
Authority
CN
China
Prior art keywords
movably connected
environment
energy
swing joint
lobster
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Withdrawn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
CN202011043618.8A
Other languages
Chinese (zh)
Inventor
万海峰
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.)
Wenzhou Jinze Trade Co ltd
Original Assignee
Wenzhou Jinze Trade Co ltd
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 Wenzhou Jinze Trade Co ltd filed Critical Wenzhou Jinze Trade Co ltd
Priority to CN202011043618.8A priority Critical patent/CN112189610A/en
Publication of CN112189610A publication Critical patent/CN112189610A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K61/00Culture of aquatic animals
    • A01K61/80Feeding devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/004Nozzle assemblies; Air knives; Air distributors; Blow boxes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Zoology (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)

Abstract

The invention relates to the technical field of lobster breeding and discloses an energy-saving and environment-friendly device for automatically feeding lobster breeding according to requirements, which comprises a driving shaft, the bottom of the driving shaft is movably connected with a lifting block, the bottom of the lifting block is movably connected with a buffer spring, the bottom of the buffer spring is movably connected with a mounting seat, the interior of the lifting block is movably connected with a rotating shaft, the bottom of the rotating shaft is movably connected with a material storage cavity, the dummy bait is clamped and dragged by the lobsters, the pull rope can be pulled by dragging the dummy bait, thereby rotating the special-shaped gear, the special-shaped gear can drive the sector gear to rotate and further pull the power-on contact to contact with the circuit contact, thereby driving the driving shaft to rotate, thereby driving the lifting magnet to rotate downwards to drive the feeding cavity to rotate and drive the feed inside the feeding cavity to rotate, thereby produce centrifugal force until discharging the fodder to breeding the pond in to reach the effect of adding the fodder according to the lobster demand is automatic.

Description

Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster
Technical Field
The invention relates to the technical field of lobster breeding, in particular to an energy-saving and environment-friendly device for automatically feeding lobster breeding according to requirements.
Background
The crayfish is always a favorite food for Chinese people, and the phenomenon that the price is increased due to insufficient supply of the crayfish is often caused all over the country every summer, so that more and more farmers are willing to raise the crayfish, and the crayfish also brings great economic benefit for the farmers.
The traditional crayfish feeding mode is that the feed is fed through manual work, the feeding amount of the feed does not have an accurate quantification all the time, the situation that crayfish mutually attacks and hunts due to hunger can be caused when too little feeding is carried out, the yield of the crayfish is influenced due to water pollution caused by too much feeding, the feeding amount of the feed is always the problem concerned by farmers, and meanwhile the feed is extremely easy to mildew and scrap due to poor ventilation and high air humidity.
Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and an energy-saving and environment-friendly device for automatically feeding lobster cultivation according to needs is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an energy-saving and environment-friendly device for lobster breeding and automatic feeding according to requirements, which has the advantages of automatically adding feed according to the requirements of lobsters, automatically ventilating and ventilating a feed storage tank to ensure the dryness of the feed so as to reduce the rejection rate of the feed, and solves the problems that the traditional breeding mode cannot accurately control the feeding of the feed and the feed is easy to mildew due to poor ventilation.
(II) technical scheme
In order to realize the purposes of automatically adding the feed according to the requirements of the lobsters and automatically ventilating the feed storage tank to ensure the dryness of the feed so as to reduce the rejection rate of the feed, the invention provides the following technical scheme: an energy-saving and environment-friendly device for automatically feeding lobster culture according to requirements comprises a driving shaft, wherein the bottom of the driving shaft is movably connected with a lifting block, the bottom of the lifting block is movably connected with a buffer spring, the bottom of the buffer spring is movably connected with a mounting seat, the inside of the lifting block is movably connected with a rotating shaft, the bottom of the rotating shaft is movably connected with a material storage cavity, the bottom of the inner wall of the material storage cavity is movably connected with a blocking block, the top of the blocking block is movably connected with a fastening rod, the bottom of the material storage cavity is movably connected with a lifting magnet, the left side of the lifting magnet is movably connected with a rotating magnet, the outside of the rotating magnet is movably connected with a feeding cavity, the top of the mounting seat is movably connected with a pull rod, the top of the pull rod is movably, the novel bait replacing device is characterized in that the bottom of the extrusion block is movably connected with a replacing air bag, the bottom of the replacing air bag is movably connected with a power-on contact, the right side of the power-on contact is movably connected with a circuit contact, the bottom of the power-on contact is movably connected with a sector gear, the bottom of the sector gear is movably connected with a special-shaped gear, the outer part of the special-shaped gear is movably connected with a pull rope, and the bottom of the.
Preferably, the pull rope is wound on the surface of the special-shaped gear, and teeth are movably connected to the top of the special-shaped gear and meshed with the sector gear.
Preferably, the top of the sector gear is movably connected with a rotating rod, and the top of the rotating rod is movably connected with the power-on contact.
Preferably, the top of the storage cavity is provided with an air vent, and the left side of the air vent is movably connected with the right side of the air exchange bag.
Preferably, teeth are movably connected to the outer portion of the rotating shaft, and the lifting block is meshed with the teeth.
Preferably, the top of the rotating shaft is movably connected with a rotating seat, and the rotating seat is in threaded connection with the driving shaft.
(III) advantageous effects
Compared with the prior art, the invention provides an energy-saving and environment-friendly device for automatically feeding lobster breeding according to requirements, which has the following beneficial effects:
1. the energy-saving and environment-friendly device for automatically feeding lobster breeding as required comprises a lobster clamping and dragging device, wherein the bait is dragged to pull a pull rope, so that a special-shaped gear rotates, the special-shaped gear rotates to drive a sector gear to rotate and further to pull an electrified contact to contact with a line contact, at the moment, a line of an external driving source is connected, so that a driving shaft is driven to rotate, the driving shaft rotates to drive a rotating shaft to move upwards, when the driving shaft moves upwards, a lifting block is driven to rotate downwards, so that a material storage cavity is driven to move downwards, at the moment, a blocking block cannot move, so that the material storage cavity is separated from the blocking block, feed in the material storage cavity flows into a feeding cavity through the bottom of the blocking block, at the moment, the material storage cavity continuously rotates downwards, so that a lifting magnet is driven to rotate downwards, at the moment, the rotating magnet is, the chamber of throwing something and feeding rotates and can drive its inside fodder and rotate to produce centrifugal force and discharge the fodder to breeding in the pond, after certain fodder of discharging, the left circuit break spring of circular telegram contact kick-backs and then stops the supply to the fodder, thereby has reached the effect according to the automatic fodder that adds of lobster demand.
2. The energy-saving and environment-friendly device for automatically feeding lobster cultivation according to requirements has the advantages that the lifting block can rotate downwards when the feed is supplied, the buffer spring is compressed in the process of the movement of the lifting block to drive the mounting seat to move downwards, the mounting seat moves downwards to drive the pull rod to move, the pull rod moves to apply an upward force to the push block, so that the extrusion spring rebounds to lose the extrusion on the extrusion block, the air change bag rebounds after losing pressure, the air change bag can suck the air in the material storage cavity, and when the feed supply equipment is stopped to reset, the push block can bear downward pressure, thereby compressing the extrusion spring to deform the extrusion spring and further driving the extrusion block to extrude the air exchange bag, so that the pressure inside the air exchange bag is increased, thereby produce the air current and insufflate inside the storage cavity to thereby reached and carried out the effect that the aridity of ventilation assurance fodder reduces the fodder disability rate to the fodder storage jar automatically.
Drawings
FIG. 1 is a schematic view of the structure of a driving shaft according to the present invention;
FIG. 2 is a schematic view of the feeding chamber structure of the present invention;
FIG. 3 is a schematic view of a rotating shaft according to the present invention;
FIG. 4 is a schematic view of the air exchange bag of the present invention;
fig. 5 is an enlarged schematic view of a part A in the structural schematic view of the feeding cavity in fig. 2.
In the figure: 1. a drive shaft; 2. a lifting block; 3. a rotating shaft; 4. a buffer spring; 5. a mounting seat; 6. a pull rod; 7. a push block; 8. a compression spring; 9. extruding the block; 10. replacing the air bag; 11. a line contact; 12. a sector gear; 13. a special-shaped gear; 14. pulling a rope; 15. a fake bait; 16. a material storage cavity; 17. a blocking block; 18. a fastening rod; 19. a feeding cavity; 20. a lifting magnet; 21. rotating the magnet; 22. and energizing the contacts.
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.
Referring to fig. 1-5, an energy-saving and environment-friendly device for lobster breeding and automatic feeding according to requirements comprises a driving shaft 1, wherein the bottom of the driving shaft 1 is movably connected with a lifting block 2, the bottom of the lifting block 2 is movably connected with a buffer spring 4, the bottom of the buffer spring 4 is movably connected with an installation seat 5, the interior of the lifting block 2 is movably connected with a rotating shaft 3, the top of the rotating shaft 3 is movably connected with a rotating seat, the rotating seat is in threaded connection with the driving shaft 1, the exterior of the rotating shaft 3 is movably connected with teeth, the lifting block 2 is meshed with the teeth, the bottom of the rotating shaft 3 is movably connected with a material storage cavity 16, the bottom of the inner wall of the material storage cavity 16 is movably connected with a blocking block 17, the top of the blocking block 17 is movably connected with a fastening rod 18, the bottom of the material storage cavity 16 is movably connected, the top of the mounting seat 5 is movably connected with a pull rod 6, the top of the pull rod 6 is movably connected with a push block 7, the bottom of the push block 7 is movably connected with an extrusion spring 8, the bottom of the extrusion spring 8 is movably connected with an extrusion block 9, the bottom of the extrusion block 9 is movably connected with a ventilation bag 10, the top of the storage cavity 16 is provided with a ventilation groove, the left side of the ventilation groove is movably connected with the right side of the ventilation bag 10, the bottom of the ventilation bag 10 is movably connected with a power-on contact 22, the right side of the power-on contact 22 is movably connected with a circuit contact 11, the bottom of the power-on contact 22 is movably connected with a sector gear 12, the top of the sector gear 12 is movably connected with a rotating rod, the top of the rotating rod is movably connected with the power-on contact 22, the bottom of the sector gear 12 is movably connected, the teeth are meshed with the sector gear 12, and the bottom of the pull rope 14 is movably connected with a bait 15.
The working principle is as follows: the energy-saving and environment-friendly device for automatically feeding lobsters according to requirements is characterized in that a driving shaft 1 is connected with an output shaft of an external driving source when in use, generally, the lobsters do not clamp a bait 15 when the lobsters in a culture pond are in a feeding-free state, the bait 15 is clamped and dragged when the lobsters in the culture pond are in a hungry state, the bait 15 is dragged to pull a pull rope 14, so that a special-shaped gear 13 rotates, the special-shaped gear 13 is meshed with a sector gear 12, so that the sector gear 12 is driven to rotate by the rotation of the special-shaped gear 13, and then an electrified contact 22 is pulled to be contacted with a circuit contact 11, at the moment, a circuit of the external driving source is switched on, so that the driving shaft 1 is driven to rotate, a rotating seat is movably connected to the top of the rotating shaft 3 and is in threaded connection with the driving shaft 1, so that the driving shaft 1 rotates to drive, and the lifting block 2 is engaged with the teeth, so when the driving shaft 1 moves upwards, the lifting block 2 is driven to rotate downwards, thereby driving the storage cavity 16 to move downwards, because the blocking block 17 is fixedly connected to the inner wall of the equipment through the fastening rod 18, the blocking block 17 does not move, thereby separating the storage cavity 16 from the blocking block 17, the feed in the storage cavity 16 flows into the feeding cavity 19 through the bottom of the blocking block 17, at the moment, the storage cavity 16 continuously rotates downwards, further driving the lifting magnet 20 to rotate downwards, because the magnetism outside the lifting magnet 20 is the same as the magnetism outside the rotating magnet 21, the rotating magnet 21 can receive the repulsion force from the lifting magnet 20 to drive the feeding cavity 19 to rotate, the feeding cavity 19 rotates to drive the feed in the feeding cavity to rotate, thereby generating centrifugal force until the feed is discharged into the culture pond, after a certain feed is discharged, the left open circuit spring of circular telegram contact 22 kick-backs and then stops the supply of fodder to reached according to the automatic effect that adds the fodder of lobster demand, the device more traditional fodder feeding device can add the fodder to breeding the pond in real time, the problem that the fodder adds too much influence quality of water can not appear, thereby it is energy-concerving and environment-protective more.
This energy-concerving and environment-protective device of automatic feed of demand is bred to lobster, elevator 2 can rotate downwards when carrying out the fodder supply, can compress buffer spring 4 and then drive mount pad 5 downstream in the in-process of elevator 2 motion, mount pad 5 downstream can drive pull rod 6 motion, pull rod 6 motion can apply for ejector pad 7 an ascending power, thereby make extrusion spring 8 kick-back lose the extrusion to extrusion 9, kick-back after trading gasbag 10 loses pressure this moment, trade gasbag 10 and can suck the gas in the storage cavity 16 when trading the atmospheric pressure because trade the inside atmospheric pressure of gasbag 10 and be less than outside atmospheric pressure, when stopping fodder supply equipment and reseing, ejector pad 7 can receive a downward pressure this moment, thereby compress extrusion spring 8 and make it take place deformation and then drive extrusion 9 extrusion and trade gasbag 10, make the inside pressure increase of trade gasbag 10, thereby produce the air current and blow in the storage cavity 16 inside, thereby reached the automation and carried out the effect that takes a breath the air ventilation and guarantee the aridity of fodder and reduce the fodder disability rate to fodder storage jar.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an energy-concerving and environment-protective device of automatic feed of demand is bred to lobster, includes driving shaft (1), its characterized in that: the feeding device is characterized in that a lifting block (2) is movably connected to the bottom of the driving shaft (1), a buffer spring (4) is movably connected to the bottom of the lifting block (2), a mounting seat (5) is movably connected to the bottom of the buffer spring (4), a rotating shaft (3) is movably connected to the inside of the lifting block (2), a storage cavity (16) is movably connected to the bottom of the rotating shaft (3), a blocking block (17) is movably connected to the bottom of the inner wall of the storage cavity (16), a fastening rod (18) is movably connected to the top of the blocking block (17), a lifting magnet (20) is movably connected to the bottom of the storage cavity (16), a rotating magnet (21) is movably connected to the left side of the lifting magnet (20), a feeding cavity (19) is movably connected to the outside of the rotating magnet (21), a pull rod (6) is movably connected to the top of the mounting seat (5), push block (7) bottom swing joint has extrusion spring (8), extrusion spring (8) bottom swing joint has extrusion piece (9), extrusion piece (9) bottom swing joint has trades gasbag (10), trade gasbag (10) bottom swing joint has circular telegram contact (22), circular telegram contact (22) right side swing joint has circuit contact (11), circular telegram contact (22) bottom swing joint has sector gear (12), sector gear (12) bottom swing joint has abnormal shape gear (13), the outside swing joint of abnormal shape gear (13) has stay cord (14), stay cord (14) bottom swing joint has false bait (15).
2. The energy-saving and environment-friendly device for lobster breeding with automatic feeding according to requirements as claimed in claim 1, is characterized in that: the pull rope (14) is wound on the surface of the special-shaped gear (13), and teeth are movably connected to the top of the special-shaped gear (13) and meshed with the sector gear (12).
3. The energy-saving and environment-friendly device for lobster breeding with automatic feeding according to requirements as claimed in claim 1, is characterized in that: the top of the sector gear (12) is movably connected with a rotating rod, and the top of the rotating rod is movably connected with an electrified contact (22).
4. The energy-saving and environment-friendly device for lobster breeding with automatic feeding according to requirements as claimed in claim 1, is characterized in that: the top of the material storage cavity (16) is provided with a vent groove, and the left side of the vent groove is movably connected with the right side of the air changing bag (10).
5. The energy-saving and environment-friendly device for lobster breeding with automatic feeding according to requirements as claimed in claim 1, is characterized in that: the outer part of the rotating shaft (3) is movably connected with teeth, and the lifting block (2) is meshed with the teeth.
6. The energy-saving and environment-friendly device for lobster breeding with automatic feeding according to requirements as claimed in claim 1, is characterized in that: the top of the rotating shaft (3) is movably connected with a rotating seat, and the rotating seat is in threaded connection with the driving shaft (1).
CN202011043618.8A 2020-09-28 2020-09-28 Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster Withdrawn CN112189610A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011043618.8A CN112189610A (en) 2020-09-28 2020-09-28 Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011043618.8A CN112189610A (en) 2020-09-28 2020-09-28 Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster

Publications (1)

Publication Number Publication Date
CN112189610A true CN112189610A (en) 2021-01-08

Family

ID=74007081

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011043618.8A Withdrawn CN112189610A (en) 2020-09-28 2020-09-28 Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster

Country Status (1)

Country Link
CN (1) CN112189610A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112825806A (en) * 2021-01-20 2021-05-25 李辉 Auxiliary assembly capable of automatically adding feed according to carp requirements for carp breeding
CN112895708A (en) * 2021-01-18 2021-06-04 周宗朋 Environment-friendly device for protecting processing personnel during printing of corrugated board

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112895708A (en) * 2021-01-18 2021-06-04 周宗朋 Environment-friendly device for protecting processing personnel during printing of corrugated board
CN112895708B (en) * 2021-01-18 2022-11-04 泸州市一圣鸿包装有限公司 Environment-friendly device for protecting processing personnel during printing of corrugated board
CN112825806A (en) * 2021-01-20 2021-05-25 李辉 Auxiliary assembly capable of automatically adding feed according to carp requirements for carp breeding

Similar Documents

Publication Publication Date Title
CN112189610A (en) Energy-concerving and environment-protective device of automatic feed of demand is bred to lobster
CN108041666B (en) Food processing raw and other materials extrusion device
CN204702817U (en) A kind of accurate automatic feeding device for the preparation of Ultra-low carbon content rare earth metal
CN211861462U (en) Intelligent auxiliary agricultural cultivation facility based on Internet of things and big data analysis
CN112173791A (en) Quick auto-change over device of supplementary installation of film rolling
CN210971836U (en) Be used for kibbling feeding mechanism of copper sulfate stoving
CN203401713U (en) Double-layer co-extrusion sheet extruder
CN212212600U (en) High-juicing-rate aerated fresh fruit juice processing device
CN112825806A (en) Auxiliary assembly capable of automatically adding feed according to carp requirements for carp breeding
CN109596794B (en) A kind of regulation device and application method suitable for the improvement of low flow velocity water body water environment
CN207270813U (en) A kind of magnetic sheet production dehydration device
CN214229471U (en) Special blowing non-crushing feeder for micropterus salmoides
CN110326576A (en) A kind of fishery cultivating charging device
CN205250328U (en) Feed production breaks up device
CN213713854U (en) Transmission mechanism of casing drying box
CN109984074B (en) Fodder blows device for breed
CN209367144U (en) A kind of interior screw mechanism that deaerates of powder
CN221254526U (en) Vinegar production treatment tank device
CN207983641U (en) A kind of brickmaking double-stage vacuum extruding machine
CN220142218U (en) Livestock goods soaking device
CN207931052U (en) A kind of PE film productions extruder
CN215234837U (en) Screening plant is used in reinforcer production preparation
CN206472821U (en) A kind of practical animal and fowl fodder processing expanding apparatus
CN205727680U (en) A kind of oxygen-enriching mechanism for increasing oxygen in water
CN208366000U (en) A kind of feather dehydration device

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

Application publication date: 20210108

WW01 Invention patent application withdrawn after publication