CN111546706A - Adhesive tape covering machine for paper - Google Patents
Adhesive tape covering machine for paper Download PDFInfo
- Publication number
- CN111546706A CN111546706A CN202010450488.3A CN202010450488A CN111546706A CN 111546706 A CN111546706 A CN 111546706A CN 202010450488 A CN202010450488 A CN 202010450488A CN 111546706 A CN111546706 A CN 111546706A
- Authority
- CN
- China
- Prior art keywords
- space
- viscose
- paper
- motor
- plate
- 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- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
- B31F5/06—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape
- B31F5/08—Attaching together sheets, strips or webs; Reinforcing edges by adhesive tape for reinforcing edges ; Applying a strip or tape to an edge, e.g. for decorating, for protecting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Package Closures (AREA)
Abstract
The invention discloses a paper tape taping machine, which comprises a box body, wherein a viscose space with an upward opening is arranged in the box body, a first conveyor belt is arranged at the upper side in the viscose space, two viscose mechanisms are symmetrically arranged in front and at the back by taking the first conveyor belt as the center, each viscose mechanism comprises a support plate, the support plates are fixedly connected with the inner wall of the lower side of the viscose space, a chute is arranged on each support plate, the chute is taken as the center, and two containing cavities with upward openings are symmetrically arranged at the left and the right of the inner wall of the upper side of each support plate. The stress point is increased, the pressure intensity is reduced, and the condition of cutting the fingers can not occur.
Description
Technical Field
The invention relates to the field of paper processing, in particular to a paper adhesive tape edge covering machine.
Background
The paper is used in a great amount in modern life, some paper records important text contents such as books, contract documents and the like, but the paper is particularly easy to damage, the work is troublesome when the paper document is carelessly torn, the page corners of the books are easy to roll up and damage, the searching is difficult after page numbers are lost, in addition, the tough paper such as A4 paper is easy to cause very sharp edges of the paper due to the problem of cutting angles, fingers are easy to be scratched by the paper when the paper is turned over, and chemical articles such as bleaches on the paper can easily infect wounds, so the paper edge protection or protection treatment is very important.
Disclosure of Invention
The invention aims to provide a paper tape covering machine, which wraps the edges of paper with adhesive tapes, improves the shearing resistance of the paper, wraps sharp edges of the paper with the adhesive tapes, and solves the safety problem that the paper can cut fingers.
The invention is realized by the following technical scheme.
The invention relates to a paper tape taping machine, which comprises a box body, wherein a glue space with an upward opening is arranged in the box body, a first conveyor belt is arranged at the upper side in the glue space, two glue mechanisms are symmetrically arranged at the front and the back by taking the first conveyor belt as the center, each glue mechanism comprises a support plate, the support plates are fixedly connected with the inner wall of the lower side of the glue space, a chute is arranged on each support plate, two containing cavities with upward openings are symmetrically arranged at the left and the right of the inner wall of the upper side of each support plate, a pasting plate is slidably arranged at the upper end of each support plate, the pasting plate is fixedly connected with the inner wall of the lower side of each containing cavity through a tension spring, a sliding block is slidably arranged at the upper side in each chute, a rotating shaft is rotatably arranged in each sliding block, a sliding plate is slidably arranged at the, a spring cavity with an opening far away from the sliding groove is formed in the right end of the supporting plate, a torsion shaft is rotatably arranged in the spring cavity, the torsion shaft is fixedly connected with the inner wall, close to the inner side of the sliding groove, of the spring cavity through a torsion spring, a cutting knife is fixedly arranged on the torsion shaft, a connecting piece is fixedly arranged at the end, far away from the first conveying belt, of the sliding plate, the connecting piece is fixedly connected with the cutting knife through a thin rope, a crank shaft is rotatably arranged at the lower side of the supporting plate, a disc is fixedly arranged on the crank shaft, a connecting shaft is rotatably arranged in the disc, and the connecting; be equipped with the space of borduring on the box, the fixed second conveyer belt that is equipped with of space upside of borduring, use the second conveyer belt is central, and the front and back symmetry is equipped with the mechanism of borduring, the mechanism of borduring includes first voussoir, second conveyer belt terminal surface and box front and back inner wall fixed connection are kept away from to first voussoir, the fixed second voussoir that is equipped with of first voussoir right-hand member face.
Preferably, a placing space with a leftward opening is arranged below the left side of the box body, a placing plate is arranged on the placing space in a sliding mode, the lower end of the placing plate is fixedly connected with the lower inner wall of the box body through a pressure spring, a first motor is fixedly arranged at the front end of the upper portion of the left side of the box body, a first motor is controlled to be provided with a first transmission shaft, the first transmission shaft is rotatably connected with the box body, the placing plate serves as a center, and friction wheels are symmetrically and fixedly arranged on the first transmission shaft in a front-back mode.
Preferably, place the space with the fixed baffle that is equipped with between the viscose space, the viscose space with fixed T template that is equipped with between the space of borduring, borduring space the right is equipped with the recovery space, it leads the blanking plate to be fixed to be equipped with between space of borduring and the recovery space.
Preferably, a second motor and a third motor are fixedly arranged at the front end of the box body, the second motor controls the second conveyor belt, the third motor controls the first conveyor belt, the second motor and the third motor rotate synchronously, a fourth motor is arranged on the lower side of the viscose space and fixedly connected with the lower inner wall of the box body, a second transmission shaft is arranged under the fourth motor, a transmission gear is fixedly arranged on the second transmission shaft, a rotating gear is meshed and matched with the transmission gear, and the rotating gear is fixedly connected to the crank shaft.
Preferably, in the viscose space, the backup pad left side be equipped with first fixed axle with box fixed connection, with first conveyer belt is central the symmetry is rotated around on the first fixed axle is equipped with the rubber tyer, viscose mechanism left side be equipped with the second fixed axle with box fixed connection, with first conveyer belt is central the symmetry is rotated around on the second fixed axle is equipped with the concave wheel, viscose mechanism right side be equipped with the third fixed axle with box fixed connection, with first conveyer belt is central the symmetry is rotated around on the third fixed axle is equipped with the pinch roller, the rubber tyer draws forth the sticky tape, makes sticky tape adhesion face upwards bypass the concave wheel is placed paste the board upper end.
Preferably, a cover plate is arranged above the first conveyor belt and the second conveyor belt, the left end of the cover plate is fixedly connected to the box body, the width of the cover plate is consistent with the width of paper, and two edge-covering rectangular frames are symmetrically cut at the front and the back of the right side of the cover plate by taking the second conveyor belt as the center.
The invention has the beneficial effects that: the invention can automatically complete the tape edge covering work of the paper edge, complete the gluing work of the paper through the reciprocating motion of the crank slider mechanism, and can automatically and efficiently complete the double-sided edge covering work of the paper through the matching of the two wedges and the transverse component force of the conveying belt to the paper.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the embodiment of the present invention in the direction of A-A in FIG. 1;
FIG. 3 is a schematic view of the embodiment of the present invention in the direction B-B in FIG. 1;
FIG. 4 is an enlarged schematic view of the embodiment of the present invention at C in FIG. 1;
FIG. 5 is a schematic view of the embodiment of the present invention in the direction D of FIG. 1;
FIG. 6 is an enlarged schematic view of the embodiment of the present invention at E in FIG. 2;
FIG. 7 is a schematic view of the embodiment of the present invention in the direction F of FIG. 4;
FIG. 8 is a schematic diagram illustrating the direction G-G in FIG. 5 according to an embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to fig. 1-8, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The adhesive tape covering machine for paper, which is described with reference to fig. 1-8, includes a box 38, an adhesive space 32 with an upward opening is provided in the box 38, a first conveyor belt 22 is provided at an upper side in the adhesive space 32, two adhesive mechanisms 91 are symmetrically provided at a front and a rear side with the first conveyor belt 22 as a center, each adhesive mechanism 91 includes a support plate 33, the support plate 33 is fixedly connected to an inner wall of a lower side of the adhesive space 32, a chute 72 is provided on the support plate 33, two containing cavities 61 with an upward opening are symmetrically provided at a left and a right side with the chute 72 as a center on an inner wall of an upper side of the support plate 33, an adhesive plate 58 is slidably provided at an upper end of the support plate 33, the adhesive plate 58 is fixedly connected to an inner wall of a lower side of the containing cavity 61 through a tension spring 62, a slider 59 is slidably provided at an, a sliding plate 69 is slidably arranged on the inner lower side of the sliding groove 72, the sliding plate 69 is fixedly connected with the inner wall of the lower side of the sliding groove 72 through a return spring 70, a spring cavity 64 with an opening far away from the sliding groove 72 is formed in the right end of the supporting plate 33, a torsion shaft 65 is rotatably arranged in the spring cavity 64, the torsion shaft 65 is fixedly connected with the inner wall, close to the inner side of the sliding groove 72, of the spring cavity 64 through a torsion spring 66, a cutting knife 63 is fixedly arranged on the torsion shaft 65, a connecting piece 68 is fixedly arranged on the sliding plate 69 far away from the end of the first conveyor belt 22, the connecting piece 68 is fixedly connected with the cutting knife 63 through a thin rope 67, a crank shaft 34 is rotatably arranged on the lower side of the supporting plate 33, a disc 35 is fixedly arranged on the crank shaft 34, a; the box body 38 is provided with an edge covering space 31, a second conveyor belt 27 is fixedly arranged on the upper side of the edge covering space 31, edge covering mechanisms 92 are symmetrically arranged in front and back with the second conveyor belt 27 as the center, each edge covering mechanism 92 comprises a first wedge block 28, the end face, far away from the second conveyor belt 27, of each first wedge block 28 is fixedly connected with the front inner wall and the rear inner wall of the box body 38, and a second wedge block 29 is fixedly arranged on the right end face of each first wedge block 28.
Beneficially, a placing space 11 with a leftward opening is arranged below the left side of the box body 38, a placing plate 12 is slidably arranged on the placing space 11, the lower end of the placing plate 12 is fixedly connected with the lower inner wall of the box body 38 through a pressure spring 13, a first motor 20 is fixedly arranged at the front end above the left side of the box body 38, the first motor 20 is controlled to be provided with a first transmission shaft 18, the first transmission shaft 18 is rotatably connected with the box body 38, the first transmission shaft 18 is centered on the placing plate 12, and friction wheels 19 are symmetrically and fixedly arranged on the first transmission shaft 18 in a front-back mode.
Advantageously, a baffle 21 is fixedly arranged between the placing space 11 and the gluing space 32, a T-shaped plate 39 is fixedly arranged between the gluing space 32 and the edge covering space 31, a recovery space 30 is arranged on the right side of the edge covering space 31, and a drop guide plate 40 is fixedly arranged between the edge covering space 31 and the recovery space 30.
Advantageously, a second motor 50 and a third motor 51 are fixedly arranged at the front end of the box 38, the second motor 50 controls the second conveyor belt 27, the third motor 51 controls the first conveyor belt 22, the second motor 50 and the third motor 51 rotate synchronously, a fourth motor 78 is arranged at the lower side of the adhesive space 32 and fixedly connected with the lower inner wall of the box 38, a second transmission shaft 77 is fixedly arranged at the fourth motor 78, a transmission gear 76 is fixedly arranged at the second transmission shaft 77, the transmission gear 76 is engaged and matched with a rotating gear 75, and the rotating gear 75 is fixedly connected with the crank shaft 34.
Advantageously, in the gluing space 32, a first fixed shaft 37 is provided on the left side of the supporting plate 33 and fixedly connected to the box 38, a glue wheel 36 is provided on the first fixed shaft 37 and symmetrically rotates back and forth, a second fixed shaft 55 is provided on the left side of the gluing mechanism 91 and fixedly connected to the box 38, a concave wheel 56 is provided on the second fixed shaft 55 and symmetrically rotates back and forth, a third fixed shaft 24 is provided on the right side of the gluing mechanism 91 and fixedly connected to the box 38, a pressing wheel 25 is provided on the third fixed shaft 24 and symmetrically rotates back and forth, centering on the first conveying belt 22, and the glue wheel 36 draws out the glue tape 41, so that the glue surface of the glue tape 41 is placed on the upper end of the gluing plate 58 by bypassing the concave wheel 56.
Advantageously, a cover plate 23 is arranged above the first conveyor belt 22 and the second conveyor belt 27, the left end of the cover plate 23 is fixedly connected to the box body 38, the width of the cover plate 23 is consistent with the width of paper, and two edge-covered rectangular frames 16 are cut on the right side of the cover plate 23 and centered on the second conveyor belt 27 in a front-back symmetrical mode.
In the initial state, the pressure spring 13 is in a stretched state, and the spring chamber 64 is in a normal state.
The user pushes down and places board 12, and pressure spring 13 is compressed, places the paper on placing board 12, and pressure spring 13 is tensile, makes paper and 19 contacts of friction wheel, and first motor 20 starts, and first motor 20 control first transmission shaft 18 drives 19 anticlockwise rotations of friction wheel, and friction wheel 19 drives the paper through the friction and moves right.
The second motor 50, the third motor 51 and the fourth motor 78 are started, the first conveyor belt 22 conveys paper to the right, the fourth motor 78 controls the second transmission shaft 77 to drive the transmission gear 76 to rotate, the transmission gear 76 drives the rotating gear 75 and the crank shaft 34 to rotate, the crank shaft 34 drives the disc 35 to rotate, the disc 35 drives the connecting shaft 74 to rotate around the crank shaft 34, the connecting shaft 74 drives the rotating shaft 60 and the sliding block 59 thereof to slide up and down through the connecting rod 71, when the right end of the paper is just aligned with the right end of the supporting plate 33, the sliding block 59 slides up to the highest stroke to push the pasting plate 58, the tension spring 62 is stretched, the pasting plate 58 pastes the adhesive tape 41 on the edge of the paper close to the half side of the first conveyor belt 22, the pasting plate 58 returns to the initial position under the action of the tension spring 62, the paper drives the adhesive tape 41 to continue to, the paper and the adhesive tape 41 are adhered tightly, when the paper is conveyed to the left end to be aligned with the right end of the supporting plate 33, the sliding block 59 slides downwards to the lowest stroke to push the sliding plate 69 to move downwards, the sliding plate 69 drives the connecting piece 68 and the string 67 to move downwards, the cutting knife 63 rotates and cuts off the adhesive tape 41, the torsion spring 66 is compressed, after cutting is finished, the cutting knife 63 returns to the initial position under the action of the torsion spring 66, and the sliding plate 69 returns to the initial position under the action of the return spring 70. The first motor 20, the second motor 50, the third motor 51 and the fourth motor 78 need to be adjusted so that the slider 59 moves by just one stroke, the first conveyor belt 22 and the second conveyor belt 27 transport just one sheet of paper in length, and the friction wheel 19 needs to place the sheets on the first conveyor belt 22 just at intervals of one sheet of paper in length.
The paper is conveyed to the second conveyor belt 27 and moves rightwards on the second conveyor belt 27, when the paper passes through the first wedge block 28, half of the adhesive tape 41 which is not adhered to the paper is turned over, the plane of the adhesive tape 41 is at a right angle with the paper, when the paper continues to pass through the second wedge block 29, the half of the adhesive tape 41 which is at a right angle with the paper is adhered to the upper end of the paper, the edge of the paper is completely wrapped by the adhesive tape 41, the paper which is subjected to edge wrapping is conveyed to the recovery space 30 under the action of the second conveyor belt 27, all edge wrapping is completed, and the first motor 20, the second motor 50, the third motor 51 and the fourth motor 78 are stopped.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a rubberized fabric taping machine of paper, includes the box, its characterized in that: the box body is internally provided with a viscose space with an upward opening, the upper side in the viscose space is provided with a first conveyor belt, the front and the back of the first conveyor belt are symmetrically provided with two viscose mechanisms, each viscose mechanism comprises a support plate, the support plate is fixedly connected with the lower side inner wall of the viscose space, the support plate is provided with a chute, the chute is used as the center, the left and the right of the upper side inner wall of the support plate are symmetrically provided with two containing cavities with upward openings, the upper end of the support plate is provided with an adhesive plate in a sliding manner, the adhesive plate is fixedly connected with the lower side inner wall of the containing cavity through a tension spring, the upper side in the chute is provided with a slide block in a sliding manner, a rotating shaft is arranged in the slide block in a rotating manner, the lower side in the chute is provided with a slide plate in a sliding manner, a torsion shaft is rotatably arranged in the spring cavity, the torsion shaft is fixedly connected with the inner wall, close to the inner side of the sliding groove, of the spring cavity through a torsion spring, a cutting knife is fixedly arranged on the torsion shaft, a connecting piece is fixedly arranged at the position, far away from the first conveying belt end, of the sliding plate, the connecting piece is fixedly connected with the cutting knife through a thin rope, a crank shaft is rotatably arranged at the lower side of the supporting plate, a disc is fixedly arranged on the crank shaft, a connecting shaft is rotatably arranged in the disc, and the connecting shaft is fixedly connected with the rotating shaft through; be equipped with the space of borduring on the box, the fixed second conveyer belt that is equipped with of space upside of borduring, use the second conveyer belt is central, and the front and back symmetry is equipped with the mechanism of borduring, the mechanism of borduring includes first voussoir, second conveyer belt terminal surface and box front and back inner wall fixed connection are kept away from to first voussoir, the fixed second voussoir that is equipped with of first voussoir right-hand member face.
2. A paper taping machine according to claim 1, characterized in that: the box body left side below is equipped with the opening place the space to the left, it places the board to slide to be equipped with on the place the space, place the board lower extreme with inner wall passes through pressure spring fixed connection under the box, box body left side top front end is fixed and is equipped with first motor, first motor control is equipped with first transmission shaft, first transmission shaft with the box rotates to be connected, with place the board as the center the last front and back symmetry of first transmission shaft is fixed and is equipped with the friction pulley.
3. A paper taping machine according to claim 2, characterized in that: the novel binding machine is characterized in that a baffle is fixedly arranged between the placing space and the viscose space, a T-shaped plate is fixedly arranged between the viscose space and the binding space, a recovery space is arranged on the right of the binding space, and a guide plate is fixedly arranged between the binding space and the recovery space.
4. A paper taping machine according to claim 2, characterized in that: the glue spraying device is characterized in that a second motor and a third motor are fixedly arranged at the front end of the box body, the second motor is used for controlling the second conveyor belt, the third motor is used for controlling the first conveyor belt, the second motor and the third motor synchronously rotate, a fourth motor is arranged on the lower side of the glue space and fixedly connected with the lower inner wall of the box body, a second transmission shaft is arranged under the fourth motor, a transmission gear is fixedly arranged on the second transmission shaft, the transmission gear is meshed with a rotating gear in a matched mode, and the rotating gear is fixedly connected to the crank shaft.
5. A paper taping machine according to claim 3, characterized in that: in the viscose space, the backup pad left side be equipped with first fixed axle with box fixed connection, with first conveyer belt is central the symmetry rotates around on the first fixed axle and is equipped with the rubber tyer, viscose mechanism left side be equipped with the second fixed axle with box fixed connection, with first conveyer belt is central the symmetry rotates around on the second fixed axle and is equipped with concave wheel, viscose mechanism right side be equipped with the third fixed axle with box fixed connection, with first conveyer belt is central the symmetry rotates around on the third fixed axle and is equipped with the pinch roller, the rubber tyer draws forth the sticky tape, makes sticky tape adhesion face upwards walk around the concave wheel is placed paste the board upper end.
6. A taping machine for paper, according to claim 5, characterized in that: the cover plate is arranged above the first conveyor belt and the second conveyor belt, the left end of the cover plate is fixedly connected to the box body, the width of the cover plate is consistent with the width of paper, and two edge-covering rectangular frames are symmetrically cut at the front and the back of the cover plate by taking the second conveyor belt as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010450488.3A CN111546706A (en) | 2020-05-25 | 2020-05-25 | Adhesive tape covering machine for paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010450488.3A CN111546706A (en) | 2020-05-25 | 2020-05-25 | Adhesive tape covering machine for paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111546706A true CN111546706A (en) | 2020-08-18 |
Family
ID=71997044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010450488.3A Withdrawn CN111546706A (en) | 2020-05-25 | 2020-05-25 | Adhesive tape covering machine for paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111546706A (en) |
-
2020
- 2020-05-25 CN CN202010450488.3A patent/CN111546706A/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106395485B (en) | A kind of decentralized gummed paper automatic laminating machine utilizing | |
| CN205889982U (en) | Full -automatic carton plastic handle splicing machine | |
| JPS6034298A (en) | Cutter for intermediate-film end section held between plate glass | |
| WO2019075817A1 (en) | Fully-automatic box wrapping machine and usage method therefor | |
| CN208774238U (en) | Rotary press paper cutter | |
| CN214452526U (en) | Material belt stripping mechanism and feeder | |
| CN111546706A (en) | Adhesive tape covering machine for paper | |
| CN210897517U (en) | Sheet lithium battery side rubberizing device | |
| CN210942526U (en) | Pesticide box packaging machine | |
| CN108528844A (en) | Express box sealed in unit | |
| CN206901379U (en) | A kind of cassette assembling machine | |
| CN211792325U (en) | Automatic package golden finger equipment | |
| CN202135409U (en) | Gluing machine head and glue paper sticking device using same | |
| CN110978852B (en) | Binding machine for loose-leaf waste paper | |
| CN210592888U (en) | Adjustable double-sided adhesive tape cutting and transferring device | |
| CN211105967U (en) | Double faced adhesive tape automatic pasting machine | |
| CN113246642A (en) | File bag sealing device | |
| CN209023198U (en) | A kind of electronic component rehandling facilities | |
| CN213264855U (en) | Adsorb coiling mechanism of formaldehyde surface fabric | |
| CN209141729U (en) | A kind of cementing machine | |
| CN108638677B (en) | A kind of equipment for separating and affixing one's seal bill | |
| CN211608379U (en) | Shoe and boot folding processing device | |
| CN210853125U (en) | Automatic bundling and binding device for cigarette label box pieces | |
| CN104369917A (en) | Packaging device for automatically folding cover and pasting glue for carton | |
| CN109967981A (en) | A kind of bilayer manicure aluminium foil edge banding apparatus |
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: 20200818 |
|
| WW01 | Invention patent application withdrawn after publication |