CN217805633U - Three-station paper folding packaging equipment for packaging aluminum profiles - Google Patents
Three-station paper folding packaging equipment for packaging aluminum profiles Download PDFInfo
- Publication number
- CN217805633U CN217805633U CN202221617145.2U CN202221617145U CN217805633U CN 217805633 U CN217805633 U CN 217805633U CN 202221617145 U CN202221617145 U CN 202221617145U CN 217805633 U CN217805633 U CN 217805633U
- Authority
- CN
- China
- Prior art keywords
- packaging
- paper folding
- station
- aluminum profile
- adhesive tape
- 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.)
- Active
Links
Images
Landscapes
- Basic Packing Technique (AREA)
Abstract
The utility model discloses a three-station paper folding packaging device for packaging aluminum profiles, wherein a material blocking device is positioned at the side part of a paper folding packaging mechanism, and a material blocking plate of the material blocking device can move up and down to block packaging paper and aluminum profiles; the paper folding packaging mechanism comprises an adhesive tape roll which can rotate around the periphery of the aluminum profile, and an upper paper folding device, wherein the adhesive tape on the adhesive tape roll is wound outside the packaging paper of the aluminum profile in a traction manner; the side paper folding device comprises cushion rubber rollers capable of moving horizontally, and the cushion rubber rollers are positioned on the left side and the right side of the aluminum profile; the cutting device comprises a blade arranged on a tool rest, and the tool rest is driven by a gear rack mechanism to rotate and cut off the adhesive tape; the clamping device comprises two clamping pieces which are oppositely arranged and are driven by a gear rack mechanism to clamp or release the adhesive tape. After the packaging paper is folded, the device synchronously winds and binds the adhesive tape, the adhesive tape is automatically wound and cut off, and the three stations set the packaging efficiency to be improved.
Description
Technical Field
The utility model relates to an aluminium alloy packagine machine's local mechanism improves the design technical field, especially relates to a three station paper folding equipment for aluminium alloy packing.
Background
The aluminum alloy section bar is widely applied to the fields of buildings, industries and the like, the outer surface of the aluminum alloy section bar has quality requirements, the surface of the section bar is prevented from being damaged and surface oxidation is prevented in the production and transportation process, and the adhesive tape for the aluminum alloy section bar is required to be packaged and pasted with a film, so that the surface of the aluminum alloy section bar is effectively protected. The automatic packaging of aluminium alloy is realized through the packaging production line, and in order to improve packing efficiency and packing planarization performance, aluminium alloy packing plant or automatic packaging production line have attracted the extensive concern in industry in recent years.
The finished aluminum profile is a strip-shaped material, and the main process in the packaging process comprises the following five processes: cutting packing paper, putting on an aluminum section, folding paper, winding and packing, and framing the aluminum section. The existing aluminum processing industry almost adopts a packaging device or an automatic packaging production line to replace the operation of manual paper folding, tape winding and packaging, or replace one or more process flows of feeding, framing and the like, so that the workload of operators can be effectively reduced, and the packaging efficiency can be improved. For the paper folding and tape winding packaging operation of the packaging machine, the existing mechanism usually adopts a multi-station paper folding mechanism and a single-station tape winding mechanism, and the paper folding operation and the tape winding operation are carried out in two steps, so that the time consumption of the paper folding and tape winding packaging process is long, and the packaging production efficiency is not high.
Therefore, the three-station paper folding and packaging equipment for packaging the aluminum profiles is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that exists among the prior art, and the three station paper folding equipment for aluminium alloy packing that proposes can carry out the wrapping paper and fold and twine the sticky tape in step and bind, and the sticky tape is automatic to be twined and cut off, and three stations set up packing efficiency and improve.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a three-station paper folding packaging device for packaging aluminum profiles is used for folding packaging paper on a paper cutting mechanism and aluminum profiles together and binding adhesive tapes and comprises three paper folding packaging mechanisms with the same structure and two material blocking devices with the same structure, wherein the material blocking devices are positioned on the side parts of the paper folding packaging mechanisms, and material blocking plates of the material blocking devices can move in a lifting mode to block the packaging paper and the aluminum profiles;
the paper folding packaging mechanism comprises an adhesive tape roll which can rotate around the periphery of the aluminum profile, an adhesive tape on the adhesive tape roll is drawn and wound outside packaging paper of the aluminum profile, and the paper folding packaging mechanism also comprises an upper paper folding device, wherein the upper paper folding device comprises a lifting elastic adhesive tape, and the elastic adhesive tape is suspended above the aluminum profile;
the side paper folding device comprises glue cushion rollers capable of moving horizontally, and the glue cushion rollers are positioned on the left side and the right side of the aluminum profile;
the cutting device comprises a blade arranged on a tool rest, and the tool rest is driven by a gear rack mechanism to rotate and cut off the adhesive tape;
the clamping device comprises a first clamping piece and a second clamping piece which are oppositely arranged, and the first clamping piece and the second clamping piece are driven by a gear rack mechanism to clamp or release the adhesive tape.
Further, as mentioned above, the paper folding packaging mechanism sequentially comprises a first station, a second station and a third station, the stop device comprises a first stop device and a second stop device, the first stop device is arranged between the first station and the second station, and the second stop device is located outside the third station.
Furthermore, as mentioned above, the striker plate is driven by the first cylinder, the first cylinder is installed on the striker bracket, and the striker bracket is movably connected with the striker plate by the first guide rod.
Further, the adhesive tape roll is installed on a rotating wheel, the rotating wheel is arranged outside the aluminum profile, the rotating wheel is driven by a belt and a belt wheel, and the belt wheel is driven after the speed is reduced by a motor.
Furthermore, as above, the upward paper folding device comprises a second cylinder installed on the cylinder support, the second cylinder is connected with the adhesive tape support, an elastic adhesive tape is arranged outside the adhesive tape support, and the adhesive tape support is also movably connected with the cylinder support through a second guide rod.
Furthermore, as above, the side paper folding device is provided with two, two the pad rubber roller establish respectively in the left and right sides of aluminium alloy, pad rubber roller fixes on the mounting bracket, the mounting bracket passes through the drive of third cylinder and horizontal motion.
Furthermore, a first gear is arranged at the lower part of the tool rest and is in meshing transmission through a first rack, and the first rack is driven by a fourth cylinder.
Furthermore, as mentioned above, a first guide wheel is installed on the side of the first rack, and the first gear, the first guide wheel and the fourth cylinder are all installed on the bottom plate.
Furthermore, as mentioned above, the second gears are respectively arranged below the first clamping piece and the second clamping piece, the two second gears are meshed with each other, the second gears are meshed with each other through the second rack for transmission, and the second rack is driven through the fifth cylinder.
Further, a second guide wheel is installed on the side portion of the second rack as described above, and the second gear, the second guide wheel and the fourth cylinder are all installed on the bottom plate.
Compared with the prior art, the beneficial effects of the utility model are that: the device combines paper folding operation and tape winding operation into a process, adopts three-station paper folding packaging equipment, and improves packaging efficiency.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic view of the material blocking device of the present invention;
FIG. 4 is a schematic view of the upward paper folding apparatus of the present invention;
FIG. 5 is a schematic view of a side folding device of the present invention;
fig. 6 is a schematic view of the cutting device and the clamping device of the present invention;
fig. 7 is a schematic view of the working state of the present invention.
In the figure: 16. packaging paper; 2. a paper cutting mechanism; 30. a first material blocking device; 31. a second material blocking device; 311. a striker plate; 312. a first guide bar; 313. a material blocking bracket; 314. a first cylinder; 32. a pulley; 33. a belt; 34. a rotating wheel; 35. an adhesive tape roll; 36. an upward paper folding device; 361. a second cylinder; 362. a second guide bar; 363. a cylinder support; 364. a rubber strip support; 365. an elastic rubber strip; 37. a side folding device; 371. a rubber cushion roller; 372. a third cylinder; 373. a mounting frame; 38. a cutting device; 381. a fourth cylinder; 382. a first rack; 383. a first guide wheel; 384. a first gear; 385. a tool holder; 386. a blade; 39. a clamping device; 391. a fifth cylinder; 392. a second rack; 393. a second guide wheel; 394. a second gear; 395. a first clamping piece; 396. a second clamping piece.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and 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 construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is noted that, unless explicitly stated or limited otherwise, the terms "fixed," "mounted," "connected," "disposed," and the like are used in a generic sense, e.g., when an element is referred to as being "fixed" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.
The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-7, in a first embodiment, the three-station paper folding packaging equipment for packaging aluminum profiles of the present invention is used for folding the packaging paper 16 on the paper cutting mechanism 2 and the aluminum profiles together and binding the adhesive tape, and includes three paper folding packaging mechanisms with the same structure and two material blocking devices with the same structure, as shown in fig. 1, 3A, 3B and 3C are the paper folding packaging mechanisms with three stations, and the material blocking devices are located at the side portions of the paper folding packaging mechanisms, and the material blocking plates 311 of the material blocking devices can move up and down to block the packaging paper 16 and the aluminum profiles;
the paper folding packaging mechanism comprises an adhesive tape roll 35 capable of rotating around the periphery of an aluminum profile, an adhesive tape on the adhesive tape roll 35 is wound outside a packaging paper 16 of the aluminum profile in a traction manner, the paper folding device 36 further comprises an upper paper folding device 36, the upper paper folding device 36 comprises a liftable elastic adhesive tape 365, the elastic adhesive tape 365 is suspended above the aluminum profile, and the packaging paper 16 can be pressed down by the elastic adhesive tape 365 to be attached to the aluminum profile;
the side paper folding device 37 comprises rubber packing rollers 371 capable of moving horizontally, the rubber packing rollers 371 are positioned at the left side and the right side of the aluminum profile, and the rubber packing rollers 371 can extrude and press the packing paper 16 to the two sides of the aluminum profile;
a cutting device 38, wherein the cutting device 38 comprises a blade 386 mounted on a tool holder 385, the tool holder 385 is driven by a gear-rack mechanism to rotate and cut the adhesive tape, and the blade 386 horizontally rotates along with the tool holder 385 to cut the adhesive tape;
the clamping device 39 comprises a first clamping piece 395 and a second clamping piece 396 which are oppositely arranged, the first clamping piece 395 and the second clamping piece 396 are driven by a gear and rack mechanism to clamp or loosen the adhesive tape, the two clamping pieces are respectively driven by two gears which are meshed with each other to rotate, so that one gear is driven by the gear meshing, and the two gears drive the two clamping pieces to be close to or far away from each other simultaneously to clamp or loosen the adhesive tape.
In the second embodiment, on the basis of the technical scheme of the first embodiment, a three-station paper folding packaging device for packaging an aluminum profile is provided, as shown in fig. 1, the paper folding packaging mechanism sequentially comprises a first station, a second station and a third station from left to right, the material blocking device comprises a first material blocking device 30 and a second material blocking device 31, the first material blocking device 30 is arranged between the first station and the second station, and the second material blocking device 31 is positioned outside the third station. The striker plate 311 is driven by a first cylinder 314, the first cylinder 314 is mounted on the striker bracket 313, and the striker bracket 313 and the striker plate 311 are movably connected by a first guide rod 312.
In the third embodiment, on the basis of the technical scheme of the first embodiment, the three-station paper folding and packaging device for packaging the aluminum profile is further provided, the adhesive tape roll 35 is mounted on the rotating wheel 34, the rotating wheel 34 is arranged outside the aluminum profile, the rotating wheel 34 is driven by the belt 33 and the belt wheel 32, the belt wheel 32 is driven after the speed reduction by the motor, and the motor is a gear-reduction three-phase asynchronous motor.
Fourth embodiment, on the basis of the technical scheme of the first embodiment, a three-station paper folding packaging device for packaging aluminum profiles, further, the paper folding device 36 comprises a second air cylinder 361 installed on an air cylinder support 363, the second air cylinder 361 is connected with a rubber strip support 364, an elastic rubber strip 365 is arranged outside the rubber strip support 364, and the rubber strip support 364 is also movably connected with the air cylinder support 363 through a second guide rod 362.
Fifth embodiment, on the basis of the technical scheme of first embodiment, a three-station paper folding equipment for aluminium alloy packing, further, side paper folding device 37 be equipped with two, two pad glue roller 371 establish respectively in the left and right sides of aluminium alloy, pad glue roller 371 fixes on mounting bracket 373, and mounting bracket 373 passes through the drive of third cylinder 372 and horizontal motion.
In the sixth embodiment, on the basis of the technical solution of the first embodiment, in the three-station paper folding and packaging device for packaging the aluminum profile, further, a first gear 384 is arranged at the lower part of the tool holder 385, the first gear 384 is in meshing transmission through a first rack 382, and the first rack 382 is driven through a fourth cylinder 381. A first guide wheel 383 is installed on the side of the first rack 382, and a first gear 384, the first guide wheel 383 and a fourth cylinder 381 are all installed on the bottom plate.
Seventh embodiment, on the basis of the technical solution of the first embodiment, a three-station paper folding and packaging device for aluminum profile packaging is further provided, wherein second gears 394 are respectively arranged below the first clamping piece 395 and the second clamping piece 396, the two second gears 394 are meshed with each other, the second gears 394 are in meshing transmission through a second rack 392, and the second rack 392 is driven through a fifth cylinder 391. The second gear 394, the second guiding wheel 393 and the fourth cylinder 381 are all mounted on the bottom plate.
The utility model discloses the theory of operation of device: after the aluminum profile and the wrapping paper 16 are conveyed by the paper cutting mechanism 2 of the upper station, the aluminum profile and the wrapping paper 16 touch the first material blocking device 30, the paper folding and packaging mechanism of the first station starts to work, and the paper folding devices at the side edges at the two sides of the aluminum profile push the glue filling roller 371 to move towards the aluminum profile through the mounting frame 373 under the action of the third cylinder 372, so that the wrapping paper 16 at the two side edges of the aluminum profile is extruded and compressed; the second cylinder 361 of the upward paper folding device 36 acts to push the elastic rubber strip 365 to move towards the aluminum profile, so that the wrapping paper 16 on the upper end face of the aluminum profile is extruded and pressed tightly; the motor is started to run, the belt 33 wheel 32, the belt 33 and the rotating wheel 34 are driven to rotate, when the adhesive tape roll 35 moves for about 3/4 of a circle, the adhesive tape is bound to two surfaces of the aluminum section, and the motor stops working; the fifth air cylinder 391 of the clamping device 39 acts to push the second rack 392 and the second gear 394, so as to drive the two clamping pieces to rotate and open, and the end of the adhesive tape is loosened; the motor continues to run, the belt 33 wheel 32, the belt 33 and the rotating wheel 34 are driven to rotate, and when the adhesive tape moves for about 1.25 circles, the motor stops; the fifth air cylinder 391 of the clamping device 39 acts to reset the second rack 392 and the second gear 394, so as to drive the two clamping pieces to clamp the adhesive tape; the fourth cylinder 381 of the cutting device 38 moves to push the first rack 382 and the first gear 384 to drive the knife rest 385 and the knife blade 386 to rotate, so that the adhesive tape between the clamping device 39 and the aluminum profile is cut off, and after one paper folding, binding and packaging is completed, all devices are in a reset state to wait for the next paper folding, binding and packaging operation. After the aluminum profile and the packaging paper 16 are bound and packaged together, the aluminum profile and the packaging paper are continuously conveyed to pass through the three-station paper folding packaging equipment, the aluminum profile and the packaging paper are touched to the second material blocking device 31, at the moment, paper folding packaging mechanisms at three stations of 3A, 3B and 3C simultaneously perform paper folding, binding and tape winding work, after the paper folding, binding and packaging work is completed at the three stations, the second material blocking device 31 resets, and the aluminum profile enters the next procedure to be subjected to traction operation.
The utility model discloses in the device, cylinder, motor and control software etc. that involve are prior art or material, and affiliated technical staff can directly purchase or order from the market according to required product model and specification.
The electrical components presented in the text are all electrically connected with an external master controller and 220V commercial power or industrial power, and the master controller can be a conventional known device with a control function such as a computer.
The above description is only a preferred embodiment of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It is obvious to a person skilled in the art that the invention is not restricted to details of the embodiments presented above, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered as exemplary and not restrictive in any way, and any person skilled in the art should be considered as the technical scope of the present invention, and all equivalent substitutions or changes according to the technical solution of the present invention and the inventive concept thereof should be covered by the protection scope of the present invention.
Claims (10)
1. A three-station paper folding packaging device for packaging aluminum profiles is used for folding packaging paper on a paper cutting mechanism and aluminum profiles together and binding adhesive tapes and comprises three paper folding packaging mechanisms with the same structure and two material blocking devices with the same structure, wherein the material blocking devices are positioned on the side parts of the paper folding packaging mechanisms;
the paper folding packaging mechanism comprises an adhesive tape roll which can rotate around the periphery of the aluminum profile, an adhesive tape on the adhesive tape roll is drawn and wound outside packaging paper of the aluminum profile, and the paper folding packaging mechanism also comprises an upper paper folding device, wherein the upper paper folding device comprises a lifting elastic adhesive tape, and the elastic adhesive tape is suspended above the aluminum profile;
the side paper folding device comprises glue cushion rollers capable of moving horizontally, and the glue cushion rollers are positioned on the left side and the right side of the aluminum profile;
the cutting device comprises a blade arranged on a tool rest, and the tool rest is driven by a gear rack mechanism to rotate and cut off the adhesive tape;
the clamping device comprises a first clamping piece and a second clamping piece which are oppositely arranged, and the first clamping piece and the second clamping piece are driven by a gear rack mechanism to clamp or release the adhesive tape.
2. The three-station paper folding packaging equipment for aluminum profile packaging according to claim 1, wherein the paper folding packaging mechanism comprises a first station, a second station and a third station in sequence, the material blocking device comprises a first material blocking device and a second material blocking device, the first material blocking device is arranged between the first station and the second station, and the second material blocking device is positioned outside the third station.
3. The three-station paper folding packaging equipment for aluminum profile packaging according to claim 2, wherein the material baffle plate is driven by a first air cylinder, the first air cylinder is installed on the material baffle bracket, and the material baffle bracket is movably connected with the material baffle plate through a first guide rod.
4. The three-station paper folding and packaging equipment for aluminum profile packaging as claimed in claim 1, wherein the adhesive tape roll is mounted on a rotating wheel, the rotating wheel is arranged outside the aluminum profile, the rotating wheel is driven by a belt and a belt wheel, and the belt wheel is driven by a motor after the speed is reduced.
5. The three-station paper folding packaging equipment for aluminum profile packaging according to claim 1, wherein the paper folding device comprises a second cylinder mounted on a cylinder support, the second cylinder is connected with a rubber strip support, an elastic rubber strip is arranged outside the rubber strip support, and the rubber strip support is movably connected with the cylinder support through a second guide rod.
6. The three-station paper folding and packaging equipment for aluminum profile packaging according to claim 1, wherein two side paper folding devices are arranged, two glue filling rollers are respectively arranged on the left side and the right side of the aluminum profile, the glue filling rollers are fixed on a mounting frame, and the mounting frame is driven by a third air cylinder to move horizontally.
7. The three-station paper folding and packaging equipment for aluminum profile packaging is characterized in that a first gear is arranged at the lower part of the knife rest and is in meshing transmission through a first rack, and the first rack is driven by a fourth cylinder.
8. The three-station paper folding and packaging equipment for aluminum profile packaging is characterized in that a first guide wheel is mounted on the side of the first rack, and the first gear, the first guide wheel and the fourth cylinder are mounted on the bottom plate.
9. The three-station paper folding and packaging equipment for aluminum profile packaging is characterized in that second gears are arranged below the first clamping piece and the second clamping piece, the two second gears are meshed with each other, the second gears are meshed with each other through second racks for transmission, and the second racks are driven through a fifth air cylinder.
10. The three-station paper folding and packaging equipment for aluminum profile packaging is characterized in that a second guide wheel is installed on the side portion of the second gear rack, and the second gear, the second guide wheel and the fourth air cylinder are all installed on the bottom plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221617145.2U CN217805633U (en) | 2022-06-24 | 2022-06-24 | Three-station paper folding packaging equipment for packaging aluminum profiles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221617145.2U CN217805633U (en) | 2022-06-24 | 2022-06-24 | Three-station paper folding packaging equipment for packaging aluminum profiles |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217805633U true CN217805633U (en) | 2022-11-15 |
Family
ID=83994695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221617145.2U Active CN217805633U (en) | 2022-06-24 | 2022-06-24 | Three-station paper folding packaging equipment for packaging aluminum profiles |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217805633U (en) |
-
2022
- 2022-06-24 CN CN202221617145.2U patent/CN217805633U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112278373B (en) | Full-automatic material belt rolling and packaging machine | |
CN106628382B (en) | Production equipment for packaging facial mask | |
CN211311974U (en) | Carbon cloth cuts uses location fixing device | |
CN112478850A (en) | Aluminum foil formation production line | |
CN212608588U (en) | Cutting device is used in wrapping bag production | |
CN217805633U (en) | Three-station paper folding packaging equipment for packaging aluminum profiles | |
CN108032588A (en) | The compound overall transverse cutting unit of sponge | |
CN214113107U (en) | Transmission structure of boxing machine | |
CN117230630A (en) | Cylindrical fabric cutting machine for plastic woven bags and use method thereof | |
CN210761450U (en) | Section bar packing plant | |
CN214931139U (en) | Full-automatic carton capper | |
CN213947584U (en) | Edge sealing device for corrugated carton production | |
CN211198090U (en) | Device is cut to aluminium foil paper packing | |
CN212049744U (en) | Automobile sealing strip gluing equipment | |
CN213735719U (en) | Automatic packaging device for welding wire coil | |
CN212245596U (en) | Coating and separating integrated machine | |
CN218534896U (en) | Cutting device for PI colored ribbon processing | |
CN211391913U (en) | Automatic paper cup packing machine | |
CN117124648B (en) | Plastic bag film heat sealing device | |
CN220199812U (en) | Sealing machine for yeast recombinant collagen dressing | |
CN217805696U (en) | Paper cutting device for aluminum profile packaging | |
CN217049257U (en) | Automatic carton sealing machine for packaging aerosol can packaging box | |
CN217675949U (en) | Full-automatic cotton packaging film splicing system | |
CN214686693U (en) | High-temperature environment adhesive tape sucking and cutting mechanism | |
CN221446988U (en) | Copper wire wrapping mechanism |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |