CN113828401A - Kitchen waste crushing equipment - Google Patents

Kitchen waste crushing equipment Download PDF

Info

Publication number
CN113828401A
CN113828401A CN202110903222.4A CN202110903222A CN113828401A CN 113828401 A CN113828401 A CN 113828401A CN 202110903222 A CN202110903222 A CN 202110903222A CN 113828401 A CN113828401 A CN 113828401A
Authority
CN
China
Prior art keywords
kitchen waste
arbor
cutter
blade
waste crushing
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Withdrawn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
CN202110903222.4A
Other languages
Chinese (zh)
Inventor
朱欣怡
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 CN202110903222.4A priority Critical patent/CN113828401A/en
Publication of CN113828401A publication Critical patent/CN113828401A/en
Withdrawn legal-status Critical Current

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/14Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/18Knives; Mountings thereof
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/22Feed or discharge means
    • B02C18/2225Feed means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B02CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02CCRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C18/00Disintegrating by knives or other cutting or tearing members which chop material into fragments
    • B02C18/06Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
    • B02C18/16Details
    • B02C18/24Drives
    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/26Object-catching inserts or similar devices for waste pipes or outlets
    • E03C1/266Arrangement of disintegrating apparatus in waste pipes or outlets; Disintegrating apparatus specially adapted for installation in waste pipes or outlets

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Crushing And Pulverization Processes (AREA)

Abstract

The utility model provides a kitchen waste crushing apparatus, includes broken storehouse, be equipped with broken mechanism in the broken storehouse, broken mechanism includes arbor, fixed blade and movable blade, the arbor rotationally sets up in broken storehouse, the arbor outside installation fixed blade, the arbor outer end links with broken driving motor's output shaft, arbor mid-mounting movable blade, the inboard installation pressure boost blade of arbor. The invention provides kitchen waste crushing equipment which is not easy to block and discharges more smoothly.

Description

Kitchen waste crushing equipment
Technical Field
The invention belongs to garbage disposal equipment, and relates to kitchen garbage crushing equipment.
Background
The existing kitchen waste is generally treated by sanitation workers in a centralized way through waste classification; or a water outlet of the water tank is provided with a crushing mechanism for cutting and crushing, and the kitchen waste is cut into fragments and discharged from the water outlet. For example, chinese application No. 201921516885.5 discloses a kitchen waste crushing device, which adopts a fixed blade mode, and has the following defects: the material is easy to block when being crushed.
Disclosure of Invention
In order to overcome the defect that the conventional kitchen garbage crushing mode is easy to block during crushing, the invention provides kitchen garbage crushing equipment which is not easy to block and can discharge garbage smoothly.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the utility model provides a kitchen waste crushing apparatus, includes broken storehouse, be equipped with broken mechanism in the broken storehouse, broken mechanism includes arbor, fixed blade and movable blade, the arbor rotationally sets up in broken storehouse, the arbor outside installation fixed blade, the arbor outer end links with broken driving motor's output shaft, arbor mid-mounting movable blade, the inboard installation pressure boost blade of arbor.
Further, the middle part of the cutter shaft is fixedly provided with an installation rod for installing a movable blade, and the movable blade is rotatably arranged at the end part of the installation rod.
Preferably, the middle part of the cutter shaft is sequentially provided with at least two mounting rods in an arrayed manner, and the at least two mounting rods are arranged along a circle of equal circular arc at intervals when viewed from the side; for example two mounting bars, spaced by an arc of 180. Of course, the spacing may be non-equal.
Preferably, the mounting rod is sequentially provided with an end part, an intermediate cylindrical section and a threaded section from top to bottom, the mounting rod penetrates through a mounting hole in the middle of the cutter shaft, the threaded section is connected with a fixing nut, the intermediate cylindrical section is located in the mounting hole, and the end part is in concave-convex clamping fit with the cutter shaft. The cross-section of tip is non-circular (for example square, oval or other shapes) usually, the arbor is equipped with concave surface or convex, with the unsmooth joint of tip can effectively prevent the installation pole and rotate, of course, also can adopt other fixed connection modes.
Preferably, the mounting hole passes through the axis of the arbor. Of course, the mounting hole may not pass through the axis of the arbor.
The outer circle surface of the cutter shaft is provided with cutter particles along the axial direction or the radial direction, and the cutter particles, the fixed blades and the movable blades are arranged in a staggered mode. The knife particles can be in a tooth shape or other shapes; the cutter particles can be arranged only in the axial direction, and one or more rows of cutter particles can be arranged; the cutter particles can be only arranged in the radial direction, and one circle or a plurality of circles of cutter particles can be arranged; the cutter grains or a plurality of blades can be arranged in the axial direction and the radial direction; the scheme is used for cutting long fibrous garbage.
The end part of the mounting rod is provided with a first pin hole, the bottom of the movable blade is provided with a groove, two sides of the groove are provided with second pin holes, the end part of the mounting rod extends into the groove, and the rotary bolt is inserted into the two second pin holes and the first pin hole. Of course, other rotational connections may be used.
The inner surface of the fixed blade is provided with an inclined cambered surface. The inner surface of the movable blade 13 may have an inclined arc surface.
The outer end of the cutter shaft is arranged on the crushing bin end cover, the outer end of the cutter shaft is connected with a connecting shaft, and the connecting shaft is connected with an output shaft of a crushing driving motor.
The side outlet of the crushing bin is provided with a material baffle plate, and through holes for enabling crushed materials to flow out are distributed in the material baffle plate.
And a heating plate is arranged at the bottom of the crushing bin.
According to the invention, the fixed blade is used for cutting crushed materials, the inner surface of the fixed blade is provided with the inclined cambered surface, and the fixed blade has the function of pushing the materials to the right side during work.
Among the movable blades, the movable blades rotate and swing by taking the cutter rotating pin shaft as a circle center, so that the distance between a cutter point and the inner wall of the crushing bin is changed, and the movable blades can automatically adapt to materials with different sizes; when the cutter rotates at a high speed, the cutter particles are in an open state under the action of centrifugal force, and the gap between the cutter tip and the inner wall of the crushing bin is minimum, so that small-size materials can be crushed; when a material with larger size enters, pressure is applied to the blade, so that the cutter body is pressed downwards towards the axis direction, the gap between the cutter tip and the inner wall of the water breaking bin is enlarged, and the material with larger size can also enter the gap between the cutter tip and the inner wall of the breaking bin to be quickly broken.
The heating plate is started for use at low temperature, the pressurizing impeller pressurizes and feeds materials to the separation bin, and materials which are large in size and cannot pass through the holes of the material baffle plate are further crushed in the crushing bin; the material blocking plate limits the size of the material passing through, so that the material reaching the size requirement can enter the separation mechanism; the material with too large size can not pass through, and the material is retained in the crushing bin to be continuously crushed until the material with too large size can pass through.
The invention has the following beneficial effects: not easy to block and discharge smoothly.
Drawings
Fig. 1 is a schematic view of a kitchen waste crushing apparatus.
FIG. 2 is an internal structural view of the feed port and the crushing bin.
Fig. 3 is a structural view of the crushing mechanism.
Fig. 4 is an exploded view of the crushing mechanism.
Fig. 5 is a sectional view of the novel kitchen garbage disposal apparatus.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, a kitchen waste crushing device comprises a crushing bin 4, wherein a crushing mechanism is arranged in the crushing bin, the crushing mechanism comprises a cutter shaft 2, a fixed blade 12 and a movable blade 13, the cutter shaft 2 is rotatably arranged in the crushing bin 4, the fixed blade 12 is arranged on the outer side of the cutter shaft 2, the outer end of the cutter shaft 2 is linked with an output shaft of a crushing driving motor, the movable blade 13 is arranged in the middle of the cutter shaft 2, and a pressurizing blade 1 is arranged on the inner side of the cutter shaft 2.
The middle part of the cutter shaft 2 is fixedly provided with an installation rod 20 for installing a movable blade, and the movable blade 13 is rotatably arranged at the end part of the installation rod 20.
Preferably, at least two mounting rods 20 are sequentially arranged in the middle of the cutter shaft 2, and are arranged at intervals along a circle of equal circular arc when viewed from the side; for example two mounting bars, spaced by an arc of 180. Of course, the spacing may be non-equal.
The mounting rod 20 is sequentially provided with an end part, a middle cylindrical section and a threaded section from top to bottom, the mounting rod penetrates through a mounting hole in the middle of the cutter shaft 2, the threaded section is connected with a fixing nut, the middle cylindrical section is located in the mounting hole, and the end part is in concave-convex clamping fit with the cutter shaft. The cross-section of tip is non-circular (for example square, oval or other shapes) usually, the arbor is equipped with concave surface or convex, with the unsmooth joint of tip can effectively prevent the installation pole and rotate, of course, also can adopt other fixed connection modes.
Preferably, the mounting hole passes through the axis of the arbor 2. Of course, the mounting hole may not pass through the axis of the arbor.
The outer circle surface of the cutter shaft 2 is provided with cutter particles along the axial direction or the radial direction, and the cutter particles, the fixed blades and the movable blades are arranged in a staggered mode. The knife particles can be in a tooth shape or other shapes; the cutter particles can be arranged only in the axial direction, and one or more rows of cutter particles can be arranged; the cutter particles can be only arranged in the radial direction, and one circle or a plurality of circles of cutter particles can be arranged; the cutter grains or a plurality of blades can be arranged in the axial direction and the radial direction; the scheme is used for cutting long fibrous garbage.
The end of the mounting rod 20 is provided with a first pin hole, the bottom of the movable blade 13 is provided with a groove, the two sides of the groove are provided with second pin holes, the end of the mounting rod extends into the groove, and the rotary bolt 21 is inserted into the two second pin holes and the first pin hole. Of course, other rotational connections may be used.
The inner face of the fixed blade 12 has an inclined arc. The inner surface of the movable blade 13 may have an inclined arc surface.
The outer end of the cutter shaft 2 is arranged on the crushing bin end cover 9, the outer end of the cutter shaft 2 is connected with the connecting shaft 3, and the connecting shaft 3 is connected with an output shaft of the crushing driving motor.
A material baffle plate 15 is arranged between the side outlet of the crushing bin 4 and the inlet of the backwater bin 16, and through holes for enabling the crushed materials to flow into the backwater bin are distributed in the material baffle plate 15.
The cutter shaft 2 penetrates through the material baffle 15 and extends into the backwater bin 16, and a backwater impeller 161 is installed at the inner end of the cutter shaft 2.
The bottom of the crushing bin 4 is provided with a heating plate 14.
And the upper end of the feed port 5 is provided with a flange sheet 6, a rubber pad 8 and a water tank joint bottom plate 7.
In this embodiment, the fixed blade 12 is used for cutting broken materials, and the inner surface of the fixed blade has an inclined arc surface, so that the fixed blade can push the materials to the right side during operation.
Among the movable blades 13, the movable blades rotate and swing by taking the cutter rotating pin shaft as a circle center, so that the distance between a cutter point and the inner wall of the crushing bin is changed, and the movable blades can automatically adapt to materials with different sizes; when the cutter rotates at a high speed, the cutter particles are in an open state under the action of centrifugal force, and the gap between the cutter tip and the inner wall of the crushing bin is minimum, so that small-size materials can be crushed; when a material with larger size enters, pressure is applied to the blade, so that the cutter body is pressed downwards towards the axis direction, the gap between the cutter tip and the inner wall of the water breaking bin is enlarged, and the material with larger size can also enter the gap between the cutter tip and the inner wall of the breaking bin to be quickly broken.
The heating plate 14 is started for use at low temperature, the booster impeller 1 pressurizes and feeds materials to the separation bin direction, and materials with larger sizes and which cannot pass through the holes of the material baffle plate are further crushed in the crushing bin; the material blocking plate 15 limits the size of the material passing through, and the material reaching the size requirement can enter the separation mechanism; the material with too large size can not pass through, and the material is retained in the crushing bin to be continuously crushed until the material with too large size can pass through.
Referring to fig. 5, the crushing device is applied to a kitchen waste treatment device, the kitchen waste treatment device comprises a feed inlet 5 and a crushing bin 4, an outlet at the lower part of the feed inlet 5 is connected with an inlet of the crushing bin 4, a crushing mechanism is arranged in the crushing bin 4, the device further comprises a backwater bin 16 and a solid-liquid separation bin 17, a side outlet of the crushing bin 4 is connected with an inlet of the backwater bin 16, a side outlet of the backwater bin 16 is connected with an inlet of the solid-liquid separation bin 17, an outlet at the end part of the solid-liquid separation bin 17 is a solid material outlet, a water receiving barrel 19 is arranged outside the solid-liquid separation bin 17, an outlet of the water receiving barrel 19 is communicated with the backwater bin 16, the backwater bin 16 is communicated with the feed inlet 5 through a backwater pipe 162, and the feed inlet 5 is provided with an overflow port 51 communicated with a secondary water pipe.
The solid-liquid separation bin 17 and the water receiving cylinder 19 of the backwater bin 16 belong to functional partitions, and structurally, the backwater bin 16, the solid-liquid separation bin 17 and the water receiving cylinder 19 can be separated or integrated.
Further, the crushing mechanism is connected with a crushing driving motor, and a threaded rod 18 of the solid-liquid separation bin 17 is connected with a separation driving motor. The crushing mechanism can also be connected with a crushing driving motor through an intermediate transmission component, and the threaded rod 18 of the solid-liquid separation bin 17 can also be connected with a separation driving motor through an intermediate transmission component; of course, other drive schemes may be used.
The solid-liquid separation bin 17 comprises a filter screen cylinder and a threaded rod 18 positioned in the filter screen cylinder, a feeding pipe is arranged at an opening of the filter screen cylinder, threads of the threaded rod 18 become larger gradually according to the distance from the feeding pipe, a water outlet hole of the filter screen cylinder is communicated with a water receiving cylinder 19, an output shaft of a separation driving motor is connected with the far end of the threaded rod 18, and the near end of the threaded rod 18 is installed on a bearing of the feeding pipe.
Preferably, the lower part of the water receiving cylinder 19 is provided with a waste water straight discharge opening 191, and the waste water straight discharge opening 191 is provided with a recovery regulating valve. The wastewater straight discharge opening 191 is connected with the oil-water separation bin, and the wastewater after being treated is discharged into a sewage pipe.
The working process of the embodiment:
1) the materials are fed through a feeding hole 5 and then enter a crushing bin 4 below;
2) the materials are crushed in the crushing bin 4 through the high-speed rotation of the fixed blade 12 and the movable blade 13;
3) after the materials are crushed to a certain size, the materials with the size smaller than the size of the opening of the material baffle plate 15 can be fed to the right side through the opening after the particles are crushed in the feeding process, the materials with the size larger than the size of the opening of the material baffle plate 15 can not pass through the opening, and the materials are continuously crushed in the crushing bin until the size of the materials can be fed out to the right through the material baffle plate 15;
4) after the materials enter the backwater bin 16 and the solid-liquid separation bin 17, solid particles are pushed to the tail end discharge port 171 through a screw to be discharged, and the solid particles can be recovered, so that the discharge of solid matters of a municipal drainage system is reduced, in the process, water is discharged from a filter screen cylinder of the solid-liquid separation bin 17 through the extrusion effect of the screw 18, and is guided to the backwater bin 16 through a groove at the bottom of the water receiving cylinder 19;
5) the water return impeller 161 rotates at a high speed to pump the recovered water in the water return bin 16 into the feed inlet 5 and the crushing bin 4 through the water return pipe 162 for recycling; the inner ring of the backwater impeller is provided with a pushing blade, and materials are pushed backwards under the action of the pushing blade during rotation;
6): when the amount of water is excessive, the excess amount of water is discharged from the overflow 51 to the secondary water pipe.
The embodiments described in this specification are merely illustrative of implementations of the inventive concepts, which are intended for purposes of illustration only. The scope of the present invention should not be construed as being limited to the particular forms set forth in the examples, but rather as being defined by the claims and the equivalents thereof which can occur to those skilled in the art upon consideration of the present inventive concept.

Claims (10)

1. The utility model provides a kitchen waste crushing equipment, includes broken storehouse, be equipped with broken mechanism in the broken storehouse, its characterized in that, broken mechanism includes arbor, fixed blade and movable blade, the arbor rotationally sets up in broken storehouse, the arbor outside installation fixed blade, the arbor outer end links with broken driving motor's output shaft, arbor mid-mounting movable blade, the inboard installation pressure boost blade of arbor.
2. The kitchen waste crushing apparatus of claim 1, wherein a mounting rod for mounting the movable blade is fixedly installed in the middle of the knife shaft, and the movable blade is rotatably installed at the end of the mounting rod.
3. The kitchen waste crushing apparatus of claim 2, wherein at least two mounting rods are sequentially arranged in the middle of the knife shaft, and the at least two mounting rods are arranged along a circle of equal arc interval when viewed from the side.
4. The kitchen waste crushing device as claimed in claim 2 or 3, wherein the mounting rod is provided with an end part, an intermediate cylindrical section and a threaded section in sequence from top to bottom, the mounting rod penetrates through the mounting hole in the middle of the cutter shaft, the threaded section is connected with a fixing nut, the intermediate cylindrical section is located in the mounting hole, and the end part is in concave-convex clamping fit with the cutter shaft.
5. The kitchen waste crushing device according to claim 2 or 3, wherein the end of the mounting rod is provided with a first pin hole, the bottom of the movable blade is provided with a groove, two sides of the groove are provided with second pin holes, the end of the mounting rod extends into the groove, and the rotary bolt is inserted into the two second pin holes and the first pin hole.
6. The kitchen waste crushing device as claimed in any one of claims 1 to 3, wherein the outer circumferential surface of the cutter shaft is provided with cutter particles along the axial direction or the radial direction, and the cutter particles are arranged in a staggered manner with the fixed blades and the movable blades.
7. The kitchen waste shredder device according to one of claims 1 to 3, characterised in that the inner face of the stationary blade has an inclined curved surface.
8. The kitchen waste crushing device as claimed in any one of claims 1 to 3, wherein the outer end of the cutter shaft is mounted on the crushing bin end cover, the outer end of the cutter shaft is connected with a connecting shaft, and the connecting shaft is connected with an output shaft of the crushing driving motor.
9. The kitchen waste crushing device as claimed in any one of claims 1 to 3, wherein a material baffle plate is arranged at a side outlet of the crushing bin, and through holes for enabling crushed materials to flow out are distributed on the material baffle plate.
10. The kitchen waste crushing device as claimed in any one of claims 1 to 3, wherein the bottom of the crushing bin is provided with a heating plate.
CN202110903222.4A 2021-08-06 2021-08-06 Kitchen waste crushing equipment Withdrawn CN113828401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110903222.4A CN113828401A (en) 2021-08-06 2021-08-06 Kitchen waste crushing equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110903222.4A CN113828401A (en) 2021-08-06 2021-08-06 Kitchen waste crushing equipment

Publications (1)

Publication Number Publication Date
CN113828401A true CN113828401A (en) 2021-12-24

Family

ID=78962958

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110903222.4A Withdrawn CN113828401A (en) 2021-08-06 2021-08-06 Kitchen waste crushing equipment

Country Status (1)

Country Link
CN (1) CN113828401A (en)

Similar Documents

Publication Publication Date Title
CN101274330A (en) Processing equipment for pulverizing kitchen solid rubbish
CN110918208B (en) Intelligent household kitchen wet garbage processor
CN201211526Y (en) Processing equipment for pulverizing kitchen solid rubbish
US20150108261A1 (en) Perforated plate for meat grinding reclamation system
CN109719113B (en) Improved kitchen waste disintegrating and pulping treatment equipment
CN109530412A (en) Domestic garbage treatment equipment
FI91719B (en) Screwdriving and feeding system
CN209577713U (en) Domestic garbage treatment equipment
CN109772853B (en) Rolling roller, rolling crushing component and kitchen waste disintegrating and pulping treatment equipment
CN216094088U (en) Kitchen waste crushing equipment
KR20150074442A (en) Device for disposing food garbage in the sink and apparatus to process food garbage manufactured therefrom
CN212194342U (en) Dry-wet separation device for organic fertilizer
CN216605506U (en) Novel kitchen garbage disposal device
CN113828401A (en) Kitchen waste crushing equipment
CN205056624U (en) Kitchen garbage compression recovery processing equipment
CN113828402A (en) Novel kitchen garbage disposal device
CN111790506A (en) Screw extrusion solid-liquid separation mechanism
CN203021851U (en) Fibre separator
CN115283399A (en) Kitchen is broken dehydration shaping all-in-one for refuse treatment
CN212077464U (en) Rotor device of medium-concentration hydraulic pulper
CN209792231U (en) Spiral conveying part and kitchen waste pulping treatment equipment comprising same
CN103769410A (en) Household garbage crushing, pulping and sorting device
US20090272830A1 (en) kitchen wastes disposing system
CN113145275A (en) Food waste multistage grinding structure and food waste disposer
CN209718360U (en) A kind of chemical fibre recycled polyester proprietary material processing wet crushing mill

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: 20211224

WW01 Invention patent application withdrawn after publication