CN217021366U - Diversified wire extrusion equipment - Google Patents

Diversified wire extrusion equipment Download PDF

Info

Publication number
CN217021366U
CN217021366U CN202123313380.9U CN202123313380U CN217021366U CN 217021366 U CN217021366 U CN 217021366U CN 202123313380 U CN202123313380 U CN 202123313380U CN 217021366 U CN217021366 U CN 217021366U
Authority
CN
China
Prior art keywords
conveying
cylinder
extrusion apparatus
diversified
material conveying
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Withdrawn - After Issue
Application number
CN202123313380.9U
Other languages
Chinese (zh)
Inventor
张文义
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.)
Wuhu Aisandi Electronic Technology Co ltd
Original Assignee
Wuhu Aisandi Electronic Technology 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 Wuhu Aisandi Electronic Technology Co ltd filed Critical Wuhu Aisandi Electronic Technology Co ltd
Priority to CN202123313380.9U priority Critical patent/CN217021366U/en
Application granted granted Critical
Publication of CN217021366U publication Critical patent/CN217021366U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model provides a diversified wire extrusion device, which comprises: the extrusion head is communicated with the material conveying pipes; the conveying part comprises a conveying cylinder arranged on the workbench, a conveying screw arranged in the conveying cylinder, a motor arranged on the conveying screw and a material cylinder arranged on the conveying cylinder, and multi-color raw materials meet the targeted requirement of multi-color mixing work of the wire rods by controlling the conveying time, the conveying amount and the conveying proportion of the conveying parts, so that the cross section colors of the wire rods are diversified; the color of the wire in the length direction is diversified; diversifying the sectional materials of the wire rod; the sectional shapes of the wire rods are diversified.

Description

Diversified wire extrusion equipment
Technical Field
The utility model relates to the technical field of 3D printing wire production, in particular to diversified wire extrusion equipment.
Background
3D prints wire rod extrusion equipment is exactly the equipment of the consumptive material for the preparation printer, and the current 3D printer consumptive material silk colour mixture extruder who discloses is CN201821735303.8, through the feed rate who adjusts three long-range extruder, can accurately adjust out the colour mixture effect of ideal, satisfies the individualized demand of people.
However, the extrusion work described in this patent cannot change the color mixing ratio of the cross section of the wire rod, and cannot diversify the color of the cross section of the wire rod; the color of the wire in the length direction cannot be diversified; the diversification of the sectional materials of the wire rod cannot be realized; it is impossible to diversify the sectional shape of the wire rod.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to solve the problems in the prior art. The present invention provides a diversified wire extruding apparatus to solve the above problems.
The technical scheme adopted by the utility model for solving the technical problem is as follows: a diversified strand extrusion apparatus comprising: the extrusion head is communicated with the material conveying pipes; the material conveying part comprises a conveying cylinder arranged on the workbench, a conveying screw rod arranged in the conveying cylinder, a motor arranged on the conveying screw rod and a material cylinder arranged on the conveying cylinder, wherein the conveying cylinder is arranged on the workbench; the plurality of material cylinders are suitable for feeding different pigments to the plurality of conveying cylinders to drive the plurality of motors, and the plurality of conveying screws can rotate to convey the different pigments through the plurality of material conveying pipes so as to enable the extrusion head to mix colors and discharge.
Further, a conical heating cylinder is sleeved on the outer wall of the lower half section of the extrusion head, wherein the conical heating cylinder is arranged in the conical heating cylinder; the conical heating cylinder is suitable for uniform heat conduction of the extrusion head.
Further, the outer wall of the conical heating cylinder is sleeved with a spiral heating pipe, wherein the spiral heating pipe is arranged in the conical heating cylinder; the spiral heating tube can heat the conical heating cylinder, so that the conical heating cylinder heats the extrusion head.
Further, a fixed cylinder is arranged on the periphery of the conical heating cylinder, wherein the fixed cylinder is arranged in the conical heating cylinder; the fixing cylinder is suitable for heat preservation of the spiral heating pipe.
Furthermore, hollow boxes are sleeved on the outer wall of one end of each of the plurality of material conveying pipes; and the hollow box is provided with a mounting hole suitable for the fixed cylinder to penetrate through.
Further, a first connecting cylinder is arranged at the upper end of the extrusion head; the upper end of the fixed cylinder is provided with a second connecting cylinder; the first connector barrel is centrally parallel to the second connector barrel.
Further, the fixed cylinder inner diameter is smaller than the second connecting cylinder outer diameter.
Furthermore, the angles among a plurality of the conveying pipelines are equal.
Furthermore, a plurality of soft brushes are obliquely arranged on the side wall of the conveying screw and are attached to the conveying cylinder, wherein the soft brushes are arranged on the side wall of the conveying screw in an inclined mode; the motor is driven, and the conveying screw can rotate, so that the soft brushes rub the inner wall of the conveying cylinder.
Furthermore, two adjacent soft brushes are arranged in a staggered mirror image mode.
The utility model has the beneficial effects that: by controlling the material conveying time, the material conveying amount and the material conveying proportion of the material conveying parts, the multi-color raw materials meet the targeted requirement of multi-color mixing work of the wire rods, so that the cross-sectional area of the wire rods is diversified in color; the color of the wire in the length direction is diversified; diversifying the sectional materials of the wire rod; the sectional shape of the wire rod is diversified.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a 3D printing wire extrusion device with multi-color feeding and diversified wire sectional areas according to the utility model;
FIG. 2 is a schematic diagram of a first preferred embodiment of the present invention;
FIG. 3 is a schematic view of a second embodiment of the present invention;
FIG. 4 is a schematic view of a third embodiment of the present invention;
FIG. 5 is a schematic view of a fourth embodiment of the present invention;
FIG. 6 is a schematic view of a fifth embodiment of the present invention;
FIG. 7 is a schematic view of a sixth embodiment of the present invention;
FIG. 8 is a schematic view of the fixed barrel construction of the present invention;
FIG. 9 is a cross-sectional view of the stationary barrel of the present invention;
FIG. 10 is a partial cross-sectional view of a delivery portion of the present invention;
FIG. 11 is a top plan view of the conveyor screw of the present invention;
fig. 12 is an enlarged view of fig. 11 at a.
In the drawings
1. A work table;
2. a material conveying part; 21. a delivery cartridge; 22. a conveying screw; 23. a motor; 24. a charging barrel;
3. a delivery pipe;
4. an extrusion head;
5. a conical heating cylinder;
6. a spiral heating pipe;
7. a fixed cylinder;
8. a hollow box;
9. a first connecting cylinder;
10. a second connecting cylinder;
11. and (4) soft brushing.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Referring to fig. 1, fig. 1 is a diversified wire extruding apparatus according to the present invention; as shown in fig. 1, a diversified strand extrusion apparatus includes: the extrusion device comprises a workbench 1, a plurality of material conveying parts 2 arranged on the workbench 1, a plurality of material conveying pipes 3 arranged on the plurality of material conveying parts 2 and an extrusion head 4 arranged on the workbench 1, wherein the extrusion head 4 is communicated with the plurality of material conveying pipes 3; the material conveying part 2 comprises a conveying cylinder 21 arranged on the workbench 1, a conveying screw 22 arranged in the conveying cylinder 21, a motor 23 arranged on the conveying screw 22 and a material cylinder 24 arranged on the conveying cylinder 21, wherein; a plurality of feed cylinder 24 is suitable for different colouring material feed to a plurality of carry section of thick bamboo 21, and the drive is a plurality of motor 23, it is a plurality of conveyor screw 22 can rotate to make different colouring material pass through a plurality of conveying pipeline 3 carries, so that extrude first 4 colour mixture ejection of compact, it is concrete, motor 23 drive conveyor screw 22 is rotatory to let raw materials on the feed cylinder 24 carry through carry section of thick bamboo 21, the raw materials is extruded from extruding first 4 through a plurality of conveying pipeline 3, conveying portion 2 can be five groups, when one of conveying portion 2 carries out the conveying work, can let the wire rod cross-section be monochromatic, when two of them conveying portion 2 carry out the conveying work simultaneously, can let the wire rod cross-section obtain two-colour mixture effect, at this moment, the wire rod cross-section is two-colour semi-circular, when three conveying portion 2, four conveying portion 2 or five conveying portion 2 carry out the conveying work simultaneously, can let the wire rod cross-section obtain three-colour mixture effect, Four-color mixing effect and five-color mixing effect, at this moment, the wire rod cross-section is fan-shaped of trisection three-colour, fan-shaped of quartering four-colour and five-color fan-shaped of five-equipart, carry out defeated material during operation simultaneously, through the size of control defeated material volume, let the shape of wire rod cross-section colour mixing be changed, 2 stage nature supplies for defeated material portion of different quantity, let the wire rod shaping after every section colour all inequality, the fashioned length of different colour wire rods is decided in the control of feed time and the control of material supply volume.
Referring to fig. 2, fig. 2 is a schematic view of a first embodiment of the present invention; as shown in fig. 2, the number of the material conveying portions 2 may be nine, three of the material conveying portions are a group, and the number of the material conveying pipes 3 may be three and three material conveying portions 2 corresponding to each other one by one, so that the stroke change in the wire rod color mixing forming process is increased, the number of the sections of the formed wire rod with different colors is increased, the cross section shape of the formed wire rod is increased, and the forming size of the formed wire rod is increased.
Referring to FIG. 3, FIG. 3 is a schematic view of a second embodiment of the present invention; referring to fig. 4, fig. 4 is a schematic view of a third embodiment of the present invention; referring to fig. 5, fig. 5 is a schematic view of a fourth embodiment of the present invention; as shown in fig. 3-5, the material conveying portions 2 may be six, two of them are a set, and a plurality of the material conveying pipes 3 may be two and two sets of material conveying portions 2 one-to-one, the material conveying portions 2 may be eighteen, nine of them are a set, and a plurality of the material conveying pipes 3 may be two and two sets of material conveying portions 2 one-to-one, and the material conveying portions 2 may be six, one of them is a set, and the other five are another set and two sets of material conveying portions 2 one-to-one, so as to extrude the color consumable with two color sections and customized color length.
Referring to fig. 6, fig. 6 is a schematic view of a fifth embodiment of the present invention; as shown in FIG. 6, the feeding portions 2 may be three to allow the three-color-section consumable to be extruded.
Referring to fig. 7, fig. 7 is a schematic view of a sixth embodiment of the present invention; as shown in FIG. 7, the two feeding portions 2 can be used to extrude the consumable material with two-color cross section.
Referring to fig. 8, fig. 8 is a schematic structural view of a fixing cylinder according to the present invention; referring to fig. 9, fig. 9 is a sectional view of a fixing cylinder according to the present invention; referring to fig. 10, fig. 10 is a partial cross-sectional view of a material delivery portion of the present invention; referring to fig. 11, fig. 11 is a top view of the conveying screw of the present invention; referring to FIG. 12, FIG. 12 is an enlarged view of the portion A of FIG. 11 according to the present invention; as shown in fig. 7-12, the outer wall of the lower half section of the extrusion head 4 is sleeved with a conical heating cylinder 5; the toper heating tube 5 is suitable for extrude first 4 even heat conductivities, and is concrete, extrude first 4 lower half sections external diameters and toper heating tube 5 internal diameters and equal to this lets extrude first 4 and the seamless laminating of toper heating tube 5, and the heat of toper heating tube 5 can the full angle effect under this kind of state with extrude first 4, lets the atress effect homogenization of extruding first 4, has guaranteed the uniformity that different look raw materials extruded the state, has guaranteed the fashioned quality of polychrome wire rod.
Optionally, the spiral heating pipe 6 is sleeved on the outer wall of the conical heating cylinder 5, wherein; spiral heating pipe 6 can heat toper cartridge heater 5, so that toper cartridge heater 5 heats extrude head 4, and is specific, spiral heating pipe 6 is heating element, lets toper cartridge heater 5 receive the heating effect, and its heating process multistage goes on, has avoided the potential safety hazard that appears in the heating work, makes toper cartridge heater 5's heating process deviation can not appear, guarantees going on smoothly of heating work.
Optionally, a fixed barrel 7 is arranged on the periphery of the conical heating barrel 5, wherein; the fixed cylinder 7 is suitable for the spiral heating pipe 6 keeps warm, and is concrete, leaves the clearance that holds spiral heating pipe 6 between fixed cylinder 7 and the toper heating cylinder 5, lets the heat that spiral heating pipe 6 gived off obtain the heat preservation effect, and the heat of its heat preservation in-process can be long-time acted on with toper heating cylinder 5, reduces the waste of resource, improves the efficiency of heating work.
Optionally, a hollow box 8 is sleeved on the outer wall of one end of each of the plurality of material conveying pipes 3; the hollow box 8 is provided with a mounting hole suitable for the fixed barrel 7 to be inserted, and particularly, the hollow box 8 plays a transition role in connection work of the extrusion head 4 and the plurality of conveying pipelines 3, so that the mounting hole positions the fixed barrel 7, and the extrusion head 4 is convenient to disassemble and assemble.
Optionally, a first connecting cylinder 9 is arranged at the upper end of the extrusion head 4; the upper end of the fixed cylinder 7 is provided with a second connecting cylinder 10; first connecting cylinder 9 with second connecting cylinder 10 is parallel in the middle of, and is concrete, and the parallel process in the middle of first connecting cylinder 9 and second connecting cylinder 10 lets the position of fixed cylinder 7 combination extrusion head 4 accurate, provides the reference effect for its combined operation, has guaranteed the uniformity of fixed cylinder 7 each angle inner wall and 4 each angle inner wall distances of extrusion head.
Optionally, the inner diameter of the fixed cylinder 7 is smaller than the outer diameter of the first connecting cylinder 9, specifically, during the penetrating and combining process of the fixed cylinder 7 and the extrusion head 4, the lower end face of the outer wall of the first connecting cylinder 9 abuts against the top end face of the fixed cylinder 7, so that the depth of the extrusion head 4 in the vertical direction of the fixed cylinder 7 is controlled.
Optionally, a plurality of the angles between the conveying pipes 3 are equal, specifically, the distance between the raw materials with different colors in the conveying process is guaranteed to be consistent, and the effect of the raw materials in the color mixing process cannot be deviated.
Optionally, the side wall of the conveying screw 22 is obliquely provided with a plurality of soft brushes 11, and the plurality of soft brushes 11 are attached to the conveying cylinder 21; drive motor 23, conveyor screw 22 can rotate, so that it is a plurality of soft brush 11 friction the 21 inner walls of a conveyor section of thick bamboo, it is specific, conveyor screw 22 drives a plurality of soft brush 11 friction conveyor section of thick bamboos 21 inner wall at the rotatory in-process, lets the raw materials atress that the inner wall of a conveyor section of thick bamboo 21 is infected with drop, keeps the clean effect of a conveyor section of thick bamboo 21 segmentation, and when single conveyor section of thick bamboo 21 carried the raw materials of different colours under this kind of state, the material of leaving over of previous raw materials can not cause the pollution to the material of leaving over of next raw materials.
Optionally, two adjacent soft brushes 11 are arranged in a staggered mirror image mode, specifically, the two adjacent soft brushes 11 are distributed in a splayed shape, so that the stress angle of the inner wall of the conveying cylinder 21 is better, and the generation of cleaning dead angles of the conveying cylinder 21 is reduced.
In the description of the specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.

Claims (10)

1. A diversified wire extrusion apparatus, comprising: the extrusion device comprises a workbench (1), a plurality of material conveying parts (2) arranged on the workbench (1), a plurality of material conveying pipes (3) arranged on the material conveying parts (2) and an extrusion head (4) arranged on the workbench (1), wherein the extrusion head (4) is communicated with the material conveying pipes (3);
the material conveying part (2) comprises a conveying cylinder (21) arranged on the workbench (1), a conveying screw (22) arranged in the conveying cylinder (21), a motor (23) arranged on the conveying screw (22) and a material cylinder (24) arranged on the conveying cylinder (21), wherein the conveying cylinder (21) is provided with a plurality of grooves;
the material cylinders (24) are suitable for feeding different pigments to the conveying cylinders (21) and drive the motors (23), and the conveying screws (22) can rotate to convey the different pigments through the conveying pipes (3) so as to mix the colors of the extruded head (4) and discharge the mixed colors.
2. A diverse strand extrusion apparatus as claimed in claim 1,
the outer wall of the lower half section of the extrusion head (4) is sleeved with a conical heating cylinder (5), wherein;
the conical heating cylinder (5) is suitable for uniform heat conduction of the extrusion head (4).
3. A diverse strand extrusion apparatus as set forth in claim 2,
the outer wall of the conical heating cylinder (5) is sleeved with a spiral heating pipe (6), wherein;
the spiral heating pipe (6) can heat the conical heating cylinder (5) so that the conical heating cylinder (5) heats the extrusion head (4).
4. A diverse strand extrusion apparatus as set forth in claim 3,
a fixed cylinder (7) is arranged on the periphery of the conical heating cylinder (5), wherein;
the fixed cylinder (7) is suitable for heat preservation of the spiral heating pipe (6).
5. A diverse strand extrusion apparatus as set forth in claim 4,
the outer wall of one end of each of the material conveying pipes (3) is sleeved with a hollow box (8);
and the hollow box (8) is provided with a mounting hole suitable for the fixed cylinder (7) to penetrate through.
6. A diverse strand extrusion apparatus as claimed in claim 5,
the upper end of the extrusion head (4) is provided with a first connecting cylinder (9);
a second connecting cylinder (10) is arranged at the upper end of the fixed cylinder (7);
the first connecting cylinder (9) and the second connecting cylinder (10) are centrally parallel.
7. A diverse strand extrusion apparatus as set forth in claim 6,
the inner diameter of the fixed cylinder (7) is smaller than the outer diameter of the second connecting cylinder (10).
8. A diverse strand extrusion apparatus as set forth in claim 7,
the angles among the material conveying pipes (3) are equal.
9. A diverse strand extrusion apparatus as claimed in claim 8,
the side wall of the conveying screw (22) is obliquely provided with a plurality of soft brushes (11), and the soft brushes (11) are attached to the conveying cylinder (21), wherein;
the motor (23) is driven, and the conveying screw (22) can rotate so as to enable the soft brushes (11) to rub against the inner wall of the conveying cylinder (21).
10. A diverse strand extrusion apparatus as set forth in claim 9,
the two adjacent soft brushes (11) are arranged in a staggered mirror image mode.
CN202123313380.9U 2021-12-27 2021-12-27 Diversified wire extrusion equipment Withdrawn - After Issue CN217021366U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123313380.9U CN217021366U (en) 2021-12-27 2021-12-27 Diversified wire extrusion equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123313380.9U CN217021366U (en) 2021-12-27 2021-12-27 Diversified wire extrusion equipment

Publications (1)

Publication Number Publication Date
CN217021366U true CN217021366U (en) 2022-07-22

Family

ID=82443424

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123313380.9U Withdrawn - After Issue CN217021366U (en) 2021-12-27 2021-12-27 Diversified wire extrusion equipment

Country Status (1)

Country Link
CN (1) CN217021366U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114147936A (en) * 2021-12-27 2022-03-08 芜湖市爱三迪电子科技有限公司 Diversified wire extrusion equipment
CN114147936B (en) * 2021-12-27 2024-05-31 芜湖市爱三迪电子科技有限公司 Diversified wire extrusion equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114147936A (en) * 2021-12-27 2022-03-08 芜湖市爱三迪电子科技有限公司 Diversified wire extrusion equipment
CN114147936B (en) * 2021-12-27 2024-05-31 芜湖市爱三迪电子科技有限公司 Diversified wire extrusion equipment

Similar Documents

Publication Publication Date Title
CN104786500A (en) Colour 3D printing spraying mechanism
FI85351C (en) Device for feeding plastic material to an extruder head
KR20160107769A (en) Exchangeable extruder for three dimensional printer
CA2665533A1 (en) Multi-color fiber-plastic composites and systems and methods for their fabrication
CN106863774A (en) A kind of colour mixture prints miniature extrusion shower nozzle
KR20170015952A (en) Exchangeable extruder for three dimensional printer
KR20180012432A (en) Apparatus for supplying cement mortar of 3d concrete printer
CN111361151B (en) Color mixing 3D printing nozzle assembly and color mixing method
CN217021366U (en) Diversified wire extrusion equipment
CN110509542A (en) A kind of compound 3D printing structure of polychrome and Method of printing
FI87750C (en) Device for re-injecting a core, especially an electrical conduit
CN114147936A (en) Diversified wire extrusion equipment
CN114147936B (en) Diversified wire extrusion equipment
US6866498B2 (en) Extrusion die with supply groove transfer
CN211616624U (en) FDM3D printing spray head device with mixing function
CN204585854U (en) A kind of colored 3D prints material spray mechanism
CN210362494U (en) Selectable single-color-mixing 3D printer
CN107901378B (en) Continuous blank mold head for blow molding machine
CN212603436U (en) 3D colour mixture beats printer head
CN206663463U (en) Chromatic ceramics 3D printer shower nozzle
CN214164034U (en) Full-color 3D prints extrusion system
CN212949195U (en) Full-color 3D printing equipment
CN211031229U (en) Monochromatic/multicolor surface forming 3D printing head
CN211492588U (en) Hot runner injection molding nozzle convenient for color mixing
CN107457974B (en) Multicomponent cross composite yarn extruder

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20220722

Effective date of abandoning: 20240531

AV01 Patent right actively abandoned

Granted publication date: 20220722

Effective date of abandoning: 20240531