CN218776913U - Plastic particle granulator - Google Patents
Plastic particle granulator Download PDFInfo
- Publication number
- CN218776913U CN218776913U CN202222813874.1U CN202222813874U CN218776913U CN 218776913 U CN218776913 U CN 218776913U CN 202222813874 U CN202222813874 U CN 202222813874U CN 218776913 U CN218776913 U CN 218776913U
- Authority
- CN
- China
- Prior art keywords
- box
- box body
- pivot
- filter screen
- cutting
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model discloses a plastic pellet granulator belongs to plastics processing technology field, the power distribution box comprises a box body, the front of box articulates there is the chamber door, the side of box is rotated and is installed two transfer rollers one, the feed inlet that two transfer rollers one of cooperation used has been seted up to the side of box, a plurality of auxiliary roll and two transfer rollers two, two are installed to the box internal rotation the equal fixed mounting in surface of transfer roller one and two transfer roller two has the column gear, two of homonymy mesh between the column gear, fixed mounting has cutting frame and lower flitch in the box, be provided with the cutting knife between cutting frame and the lower flitch, through setting up motor, filter screen, cutting mechanism, vibrations mechanism, pivot two, pivot one, pivot two, column gear, transfer roller one and transfer roller two, utilize the motor to drive pivot two to rotate, pivot two rotate and drive pivot one and transfer roller two synchronous motion through drive mechanism, and then realize the transport work to plastics.
Description
Technical Field
The utility model relates to a plastic mechanism technical field especially relates to a plastic granules granulator.
Background
The engineering plastic is an industrial plastic used as an industrial part or a box body material, is a plastic with excellent strength, impact resistance, heat resistance, hardness and aging resistance, and an engineering plastic granulator is a forming machine capable of manufacturing plastic raw materials into granules, and has a normal operation flow: the plastic raw materials are melted and plasticized by an extruder, then the plastic raw materials are extruded into strip-shaped plastic strips, the plastic strips are cooled by a cooling water tank, finally the plastic strips are cut into granules by a cutting machine, the process flow of granulation is completed, and the cut granules are further subjected to processes of blow molding, injection molding, calendering and the like to be deeply processed into various plastic products.
The size is different after the plastic granules cutting, and current granulator for plastic granules can not sieve plastic granules, causes the condition that the granule that does not reach standard and the granule that reaches standard mutually mixed together easily to influence operating mass with rated load.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of plastic granules granulator has solved behind the plastic granules cutting not of uniform size, and current granulator for plastic granules can not sieve plastic granules, causes the condition that non-up to standard granule and up to standard granule intermix are in the same place easily to influence operating mass's problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a plastic pellet granulator, includes the box, the front of box articulates there is the chamber door, the side of box rotates installs two transfer roller one, the feed inlet that two transfer roller one of cooperation used is seted up to the side of box, box internal rotation installs a plurality of auxiliary roll and two transfer roller two, two the equal fixed mounting in surface of transfer roller one and two transfer roller two has the column gear, two of homonymy mesh between the column gear, fixed mounting has cutting frame and feed plate down in the box, be provided with the cutting knife between cutting frame and the feed plate, two guide arms of last fixed surface installation of cutting knife, fixed mounting has two guide plate one in the box, two the guide arm is sliding mounting respectively on guide plate one, be provided with the cutting mechanism who is used for ordering about guide plate one up-and down motion and cuts on the box, the below of cutting frame is provided with the filter screen, filter screen sliding mounting is in the box, the box internal rotation is installed pivot two and is provided with on the pivot two and is used for ordering about up-down motion and shakes filterable vibrations mechanism, the back fixed mounting of box has the motor, the tip of pivot two is connected through the output shaft fixed connection of motor, the filter screen and transmission mechanism.
Adopt above-mentioned scheme, through setting up the motor, the filter screen, cutting mechanism, vibration mechanism, pivot two, pivot one, pivot two, the column gear, transfer roller one and transfer roller two, it rotates to utilize the motor to drive pivot two, pivot two rotate and drive pivot one and transfer roller one and two synchronous motion of transfer roller through drive mechanism, and then realize the transport work to plastics, pivot one rotates simultaneously and orders about cutting mechanism and drives the cutting knife up-and-down motion, the realization is to the eager grain work of plastics, utilize pivot two to pass vibration mechanism and drive the filter screen up-and-down motion, and then can sieve the plastic pellet of eager grain, be convenient for filter out the not up-to-standard granule, in order to guarantee the quality of work.
In the above scheme, it should be noted that the motor is electrically connected to an external power supply.
As a preferred scheme of the utility model, cutting mechanism installs pivot one on the box including rotating, the tip fixed mounting of pivot one has two discs, two the connecting rod is all installed to the relative side of disc, the last fixed surface of guide arm installs the removal frame, connecting rod slidable mounting is in removing the frame.
Adopt above-mentioned scheme, through setting up pivot one, disc, connecting rod and removal frame, utilize pivot one to drive the disc and rotate, the disc rotates and orders about removal frame up-and-down motion through the connecting rod, moves and drives the synchronous up-and-down motion of cutting knife through the guide arm in the frame motion process, and then realizes the eager grain work to plastics.
As a preferred scheme of the utility model, the equal fixed mounting in the left and right sides of filter screen has the slider, the spout has all been seted up on the inner wall about the box, two the slider is slidable mounting respectively in two spouts.
Adopt above-mentioned scheme, through setting up the slider, utilize the slider to play the effect of spacing direction to the filter screen, avoid taking place to rock the condition of skew in the filter screen motion process to guarantee the normal motion of filter screen, further improve the stability of using.
As a preferred scheme of the utility model, vibration mechanism includes two eccentric wheels of fixed mounting pivot outer surface, equal fixed mounting has two deflectors two on the inner wall around the box, and equal slidable mounting has the ejector pin on two deflectors two, the bottom plate of laminating mutually with the eccentric wheel surface is installed to the bottom of ejector pin, the top fixed mounting of ejector pin has the roof of laminating mutually with the filter screen lower surface.
By adopting the scheme, through setting up eccentric wheel, deflector two, ejector pin, bottom plate and roof, utilize pivot two to drive the eccentric wheel and rotate, the eccentric wheel rotates and drives the ejector pin up-and-down motion through the bottom plate, and the ejector pin up-and-down motion drives the filter screen up-and-down motion through the roof to realize the effect that the filter screen vibrations were sieved, further improve the effect of sieving.
As an optimized scheme of the utility model, the surface cover of ejector pin is equipped with the spring, the both ends difference fixed mounting of spring is on bottom plate and deflector two.
Adopt above-mentioned scheme, through setting up the spring, utilize the elasticity of spring to order about the ejector pin upward movement, make the ejector pin get back to the normal position fast to guarantee that the roof can remain the laminating throughout with the filter screen lower surface, can play the absorbing effect of buffering to the filter screen simultaneously, utilize the durability of filter screen.
As a preferred scheme of the utility model, drive mechanism includes that fixed rotation installs the incomplete gear at the box back, the column gear of incomplete gear and below transfer roller surface meshes mutually, the equal fixed mounting in surface of pivot one and pivot two and incomplete gear's shaft has belt pulley one, and is three connect through belt transmission between the belt pulley one, the top the equal fixed mounting in surface of transfer roller one and top transfer roller two has belt pulley two, two connect through the transmission of belt two between the belt pulley two.
Adopt above-mentioned scheme, through setting up incomplete gear, belt pulley one, belt pulley two and belt two, utilize the motor to drive pivot two and rotate, pivot two rotate through belt pulley one and belt drive pivot one with incomplete gear synchronous rotation, further incomplete gear rotates when meshing mutually with the column gear, incomplete gear can drive the column gear and rotate, the column gear drives transfer roller one and transfer roller two synchronous rotation through belt pulley two and belt two to realize the intermittent type transport work of transfer roller one and transfer roller two.
The utility model discloses in:
this plastic granules granulator is through setting up the motor, the filter screen, cutting mechanism, vibration mechanism, pivot two, pivot one, pivot two, the column gear, transfer roller one and transfer roller two, it rotates to utilize the motor to drive pivot two, pivot two rotate and drive pivot one and transfer roller and two synchronous motion of transfer roller through drive mechanism, and then realize the transport work to plastics, pivot one rotates simultaneously and orders about cutting mechanism and drives cutting knife up-and-down motion, the realization is to the eager grain work of plastics, utilize pivot two to pass vibration mechanism and drive the filter screen up-and-down motion, and then can sieve the plastic granules of cutting the grain, be convenient for filter out the not up-to-standard granule, in order to guarantee the quality of work.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of another embodiment of the present invention;
FIG. 3 is a schematic structural view of a cross-sectional view of the case of the present invention;
fig. 4 is an enlarged schematic view of a portion a of fig. 3 according to the present invention;
fig. 5 is an enlarged schematic structural view of the point B of fig. 3 according to the present invention.
In the figure: 1. a box body; 2. a box door; 3. a first guide plate; 4. a motor; 5. a first belt pulley; 6. a first belt; 7. a first rotating shaft; 8. a first conveying roller; 9. a second belt pulley; 10. an incomplete gear; 11. a second belt; 12. a column gear; 13. a second conveying roller; 14. an auxiliary roller; 15. a cutting frame; 16. a blanking plate; 17. filtering with a screen; 18. a slider; 19. a material receiving box; 20. a disc; 21. a connecting rod; 22. a movable frame; 23. a guide bar; 24. a cutting knife; 25. a second rotating shaft; 26. an eccentric wheel; 27. a base plate; 28. a top rod; 29. a spring; 30. a second guide plate; 31. and a top plate.
Detailed Description
Examples
Referring to fig. 1-5, the utility model provides a plastic particle granulator, which comprises a box body 1, a box door 2 is hinged on the front surface of the box body 1, two conveying rollers I8 are rotatably installed on the side surface of the box body 1, a feed inlet matched with the two conveying rollers I8 for use is arranged on the side surface of the box body 1, a plurality of auxiliary rollers 14 and two conveying rollers II 13 are rotatably installed in the box body 1, cylindrical gears 12 are fixedly installed on the outer surfaces of the two conveying rollers I8 and the two conveying rollers II 13, the two cylindrical gears 12 on the same side are engaged with each other, a cutting frame 15 and a blanking plate 16 are fixedly installed in the box body 1, a cutting knife 24 is arranged between the cutting frame 15 and the blanking plate 16, two guide rods 23 are fixedly installed on the upper surface of the cutting knife 24, and two guide plates I3 are fixedly installed in the box body 1, the two guide rods 23 are respectively slidably mounted on the first guide plates 3, a cutting mechanism for driving the first guide plates 3 to move up and down for cutting is arranged on the box body 1, the cutting mechanism comprises a first rotating shaft 7 rotatably mounted on the box body 1, two discs 20 are fixedly mounted at the end parts of the first rotating shaft 7, connecting rods 21 are mounted on opposite side surfaces of the two discs 20, a moving frame 22 is fixedly mounted on the upper surface of each guide rod 23, the connecting rods 21 are slidably mounted in the moving frame 22, the first rotating shaft 7, the discs 20, the connecting rods 21 and the moving frame 22 are arranged, the first rotating shaft 7 is used for driving the discs 20 to rotate, the discs 20 rotate and drive the moving frame 22 to move up and down through the connecting rods 21, and the guide rods 23 are used for driving the cutting knives 24 to synchronously move up and down in the moving process of the moving frame 22, so that the plastic dicing work is realized;
a filter screen 17 is arranged below the cutting frame 15, the filter screen 17 is slidably mounted in the box body 1, sliders 18 are fixedly mounted on the left side and the right side of the filter screen 17, chutes are formed in the left inner wall and the right inner wall of the box body 1, the two sliders 18 are respectively slidably mounted in the two chutes, and the sliders 18 are arranged to play a role in limiting and guiding the filter screen 17, so that the situation that the filter screen 17 shakes and deflects in the movement process is avoided, the normal movement of the filter screen 17 is ensured, and the use stability is further improved;
a rotating shaft II 25 is rotatably mounted in the box body 1, a vibration mechanism for driving the filter screen 17 to move up and down for vibration filtering is arranged on the rotating shaft II 25, sliding blocks 18 are fixedly mounted on the left side and the right side of the filter screen 17, sliding grooves are formed in the left inner wall and the right inner wall of the box body 1, the two sliding blocks 18 are respectively slidably mounted in the two sliding grooves, the rotating shaft II 25 is used for driving the eccentric wheel 26 to rotate, the eccentric wheel 26 rotates to drive the ejector rod 28 to move up and down through the bottom plate 27, and the ejector rod 28 moves up and down to drive the filter screen 17 to move up and down through the top plate 31, so that the vibration sieving effect of the filter screen 17 is realized, and the sieving effect is further improved;
the outer surface of the ejector rod 28 is sleeved with a spring 29, two ends of the spring 29 are respectively fixedly installed on the bottom plate 27 and the second guide plate 30, the spring 29 is arranged, the ejector rod 28 is driven to move upwards by the elasticity of the spring 29, the ejector rod 28 is enabled to return to the original position quickly, the top plate 31 can be always attached to the lower surface of the filter screen 17, meanwhile, the effect of buffering and shock absorption can be achieved on the filter screen 17, and the durability of the filter screen 17 is utilized;
the back of the box body 1 is fixedly provided with a motor 4, the end part of a rotating shaft II 25 is fixedly connected with an output shaft of the motor 4, a material receiving box 19 is arranged below the filter screen 17, the material receiving box 19 is slidably arranged in the box body 1, the conveying roller I8, the conveying roller II 13, the cutting mechanism and the vibrating mechanism are in transmission connection through a transmission mechanism, the transmission mechanism comprises an incomplete gear 10 which is fixedly and rotatably arranged on the back of the box body 1, the incomplete gear 10 is meshed with a column gear 12 on the outer surface of the conveying roller I8 below, belt pulleys I5 are fixedly arranged on the outer surfaces of a rotating shaft I7, the rotating shaft II 25 and a wheel shaft of the incomplete gear 10, and the three belt pulleys I5 are in transmission connection through a belt I6, the outer surfaces of the upper conveying roller I8 and the upper conveying roller II 13 are fixedly provided with a belt pulley II 9, the two belt pulleys 9 are in transmission connection through a belt pulley II 11, an incomplete gear 10, a belt pulley I5, a belt I6, a belt pulley II 9 and a belt II 11 are arranged, the motor 4 is used for driving the rotating shaft II 25 to rotate, the rotating shaft II 25 rotates to drive the rotating shaft I7 and the incomplete gear 10 to synchronously rotate through the belt pulley I5 and the belt I6, further when the incomplete gear 10 rotates to be meshed with the column gear 12, the incomplete gear 10 can drive the column gear 12 to rotate, and the column gear 12 drives the conveying roller I8 and the conveying roller II 13 to synchronously rotate through the belt pulley II 9 and the belt II 11, so that intermittent conveying work of the conveying roller I8 and the conveying roller II 13 is realized;
through setting up motor 4, filter screen 17, cutting mechanism, vibration mechanism, pivot two 25, pivot one 7, pivot two 25, column gear 12, transfer roller 8 and two 13 of transfer roller, utilize motor 4 to drive pivot two 25 and rotate, pivot two 25 rotate and drive pivot one 7 and transfer roller 8 and two 13 synchronous motion of transfer roller through drive mechanism, and then realize the transport work to plastics, pivot one 7 rotates simultaneously and orders about cutting mechanism and drive 24 up-and-down motion of cutting knife, realize the eager grain work to plastics, utilize pivot two 25 to drive filter screen 17 up-and-down motion through vibration mechanism, and then can sieve the plastic pellet of cutting a grain, be convenient for come out with substandard granule filtration, with the quality of guaranteeing work.
The working principle is as follows: when the plastic particle filter is used, a plastic rod or a plastic bag is fed from a feeding hole, then the motor 4 is turned on, the motor 4 drives the rotating shaft two 25 to rotate, the rotating shaft two 25 rotates to drive the rotating shaft one 7 and the incomplete gear 10 to synchronously rotate through the belt pulley one 5 and the belt one 6, further, the incomplete gear 10 rotates to be meshed with the column gear 12, the incomplete gear 10 drives the column gear 12 to rotate, the column gear 12 drives the conveying roller one 8 and the conveying roller two 13 to synchronously rotate through the belt pulley two 9 and the belt two 11, so that intermittent conveying work of the conveying roller one 8 and the conveying roller two 13 is realized, meanwhile, the rotating shaft one 7 drives the disc 20 to rotate, the disc 20 drives the moving frame 22 to move up and down through the connecting rod 21, the moving frame 22 drives the cutting knife 24 to synchronously move up and down through the guide rod 23 during movement, when the incomplete gear 10 is meshed with the column gear 12, the cutting knife 24 moves up, when the incomplete gear 10 is separated from the column gear 12, downward movement is cut, so that the plastic particle cutting work on the plastic is realized, meanwhile, the rotating shaft two 25 drive the eccentric wheel 26 to rotate, the eccentric wheel 26 to drive the ejector rod to move up and further, so that the filter screen particles which can reach the standard can be filtered, and can be conveniently.
Claims (6)
1. A plastic particle granulator is characterized by comprising a box body (1), wherein a box door (2) is hinged to the front of the box body (1), two conveying rollers I (8) are rotatably mounted on the side face of the box body (1), a feed inlet matched with the two conveying rollers I (8) for use is formed in the side face of the box body (1), a plurality of auxiliary rollers (14) and two conveying rollers II (13) are rotatably mounted in the box body (1), column gears (12) are fixedly mounted on the outer surfaces of the two conveying rollers I (8) and the two conveying rollers II (13), the two column gears (12) on the same side are meshed with each other, a cutting frame (15) and a blanking plate (16) are fixedly mounted in the box body (1), a cutting knife (24) is arranged between the cutting frame (15) and the blanking plate (16), two guide rods (23) are fixedly mounted on the upper surface of the cutting knife (24), two guide plates I (3) are fixedly mounted in the box body (1), the two guide rods (23) are respectively slidably mounted on the guide plates I (3), a filter screen (17) for up-and down movement is arranged on the cutting frame (1), the utility model discloses a filter screen, including box (1), transmission roller (8), transmission roller two (13), cutting mechanism and vibrations mechanism, be provided with on box (1) internal rotation and be used for ordering about filter screen (17) up-and-down motion and shake filterable vibrations mechanism, the back fixed mounting of box (1) has motor (4), the tip of pivot two (25) and the output shaft fixed connection of motor (4), the below of filter screen (17) is provided with receipts workbin (19) and receipts workbin (19) slidable mounting in box (1), be connected through the drive mechanism transmission between transmission roller (8), transmission roller two (13), cutting mechanism and the vibrations mechanism.
2. A plastic particle granulator according to claim 1, characterized in that the cutting mechanism comprises a first rotating shaft (7) rotatably mounted on the box body (1), two discs (20) are fixedly mounted at the end of the first rotating shaft (7), a connecting rod (21) is mounted on one side of each of the two discs (20), a moving frame (22) is fixedly mounted on the upper surface of the guide rod (23), and the connecting rod (21) is slidably mounted in the moving frame (22).
3. The plastic particle granulator according to claim 1, wherein the left and right sides of the screen (17) are fixedly provided with sliding blocks (18), the left and right inner walls of the box body (1) are provided with sliding grooves, and the two sliding blocks (18) are respectively slidably mounted in the two sliding grooves.
4. The plastic particle granulator according to claim 1, characterized in that the vibration mechanism comprises two eccentric wheels (26) fixedly provided with outer surfaces of two rotating shafts (25), two guide plates (30) are fixedly provided on the front and rear inner walls of the box body (1), two ejector rods (28) are slidably provided on the two guide plates (30), a bottom plate (27) attached to the outer surfaces of the eccentric wheels (26) is provided at the bottom ends of the ejector rods (28), and a top plate (31) attached to the lower surface of the filter screen (17) is fixedly provided at the top ends of the ejector rods (28).
5. A plastic particle granulator according to claim 4, characterized in that the outer surface of the ejector pin (28) is sleeved with a spring (29), and both ends of the spring (29) are respectively fixedly arranged on the bottom plate (27) and the second guide plate (30).
6. The plastic particle granulator according to claim 2, characterized in that the transmission mechanism comprises an incomplete gear (10) which is fixedly and rotatably installed on the back surface of the box body (1), the incomplete gear (10) is meshed with a column gear (12) on the outer surface of the lower first conveying roller (8), the outer surfaces of the shafts of the first rotating shaft (7), the second rotating shaft (25) and the incomplete gear (10) are fixedly provided with a first belt pulley (5), the three first belt pulleys (5) are in transmission connection through a first belt (6), the outer surfaces of the upper first conveying roller (8) and the upper second conveying roller (13) are fixedly provided with a second belt pulley (9), and the two second belt pulleys (9) are in transmission connection through a second belt (11).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222813874.1U CN218776913U (en) | 2022-10-25 | 2022-10-25 | Plastic particle granulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222813874.1U CN218776913U (en) | 2022-10-25 | 2022-10-25 | Plastic particle granulator |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218776913U true CN218776913U (en) | 2023-03-31 |
Family
ID=85709875
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202222813874.1U Active CN218776913U (en) | 2022-10-25 | 2022-10-25 | Plastic particle granulator |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218776913U (en) |
-
2022
- 2022-10-25 CN CN202222813874.1U patent/CN218776913U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112297276A (en) | Waste plastic particle regeneration granulation cutting device | |
CN111409246A (en) | Feeding mechanism for POF film blowing machine | |
CN218776913U (en) | Plastic particle granulator | |
CN110142952B (en) | Injection molding machine for producing ultrathin plastic film | |
CN213137423U (en) | Granulator is used in production of environment-friendly plastic pellet | |
CN210758589U (en) | Single-screw granulator set | |
CN211194548U (en) | Pelleter with screening function | |
CN212170997U (en) | Plastic granulator | |
CN210880436U (en) | Waste purification device for plastic product processing | |
CN209191049U (en) | A kind of XPS raw materials recovery system | |
CN218535247U (en) | Pelleter with screening structure | |
CN112916090A (en) | High-quality efficient printer carbon dust grinds sieving mechanism | |
CN112452757A (en) | Wheat screening equipment for flour processing and use method thereof | |
CN215791010U (en) | High-efficient plastic granulator | |
CN218701115U (en) | Feeding mechanism of modified nylon processing granulator | |
CN220737441U (en) | Vertical granulator | |
CN212636223U (en) | Grain equipment of cutting of plastics | |
CN215359357U (en) | Granulator for plastics | |
CN221232895U (en) | Plastic granulator | |
CN216139384U (en) | Extruder convenient for replacing filter screen | |
CN213972043U (en) | Masterbatch screening plant | |
CN218948145U (en) | Granulating device for engineering plastic production | |
CN116079939B (en) | PBT production is with pelleter convenient to adjust | |
CN221021873U (en) | Granulator for plastic particle production | |
CN219583309U (en) | PP modified material granulator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |