CN104928877A - Sanding system of sanding machine - Google Patents
Sanding system of sanding machine Download PDFInfo
- Publication number
- CN104928877A CN104928877A CN201510325730.3A CN201510325730A CN104928877A CN 104928877 A CN104928877 A CN 104928877A CN 201510325730 A CN201510325730 A CN 201510325730A CN 104928877 A CN104928877 A CN 104928877A
- Authority
- CN
- China
- Prior art keywords
- brush roll
- sanding
- brush
- cloth
- drum
- 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.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C11/00—Teasing, napping or otherwise roughening or raising pile of textile fabrics
Abstract
The invention relates to a sanding system of a sanding machine. The sanding system comprises a brush drum, a brush drum drive device, a brush roller drive device, a brush roller synchronous rotation device and a sanding arrangement device. The brush drum comprises five brush rollers and five adjustment plate devices. The five brush rollers are arranged on a left supporting plate and a right supporting plate through even distribution and arrangement frames of planet structures. The adjustment plate devices are arranged between the adjacent brush rollers. A brush drum motor drives a brush drum transmission device to form the brush drum drive device through a brush drum synchronous belt. The brush roller motor drives a brush roller transmission device through a synchronous belt. A main transmission belt wheel of the brush roller synchronous rotation device is driven by the brush roller transmission device. A brush roller double-sided synchronous belt changes the direction through tensioning belt wheels and drives five brush roller transmission belt wheels to synchronously rotate. An outlet drive roller of the sanding arrangement device drives sanding cloth to be subjected to sanding arrangement through the outlet brush roller by means of a cloth guide roller and an adjustment pressing plate. The sanding system has the advantages of being capable of saving energy, convenient to install and detach and good in sanding effect.
Description
Technical field
The present invention relates to a kind of roughing-up machine sanding system.
Background technology
Roughing-up machine hairbrush drum is the core component of whole roughing-up machine, and the structure that hairbrush rouses especially brush roll quantity directly determines sanding effect; Brush roll quantity is more, the path angle of cloth is larger, the path of cloth on hairbrush drum is close to circle, if cloth and the pressure of brush roll are wanted to reach same effect, just must increase the tension force of whole cloth, so not only cause power of motor to increase, but also it is excessive that cloth can be made to be out of shape, and affects sanding effect.In addition, cloth is first through adjusting plate before entering brush roll, and after adjustment plate, cloth can be opened further, if the path angle of cloth is too large, less to the impact of cloth when hairbrush drum rotates, and is unfavorable for that cloth launches.
Traditional roughing-up machine is not provided with tension pick-up and driven roller on hairbrush drum, the tension force of cloth on hairbrush drum will be caused so uneven, expect that same sanding effect just must increase the tension force of cloth, the power of motor will be increased like this, cause cloth excessive tensile, often bring various folding line when knit fabric etc. has flexible responsive fabric, reduce the quality of production.
Now, the even aesthetics of the fine hair of client to textile surface sanding requires more and more higher.
Summary of the invention
The object of the invention is for above-mentioned existing problems, a kind of energy-conservation, installation and removal are convenient, sanding is effective, fine hair is evenly attractive in appearance after sanding roughing-up machine sanding system is provided.
The object of the present invention is achieved like this: comprise hairbrush drum, hairbrush drum drive unit, brush roll drive unit, brush roll synchronous rotation device and sanding finishing device; Five brush roll and five cover adjustment panel assemblies are drawn together in hairbrush bulge, and five brush roll adopt the uniform arrangement transverse strands of planetary structure to be located on the left support dish of hairbrush drum, right support dish, and adjustment panel assembly is installed between adjacent two brush roll; Hairbrush drum drive unit is formed by hairbrush drum Timing Belt band electric brush drum transmission device by hairbrush drum motor; Brush roll drive unit comprises brush roll motor, driving belt and brush roll transmission device, and brush roll motor drives brush roll transmission device by driving belt; Brush roll synchronous rotation device comprises main transmission belt wheel, brush roll double-sided synchronous belt, five brush roll drive pulleys and four tensioning pulleys, main transmission belt wheel is by brush roll actuator drives, and brush roll double-sided synchronous belt is commutated by tensioning pulley and drives five brush roll drive pulley synchronous axial system; Sanding finishing device is arranged at the sanding cloth output of hairbrush drum, sanding finishing device comprises outlet driven roller, fabric guide roll, outlet brush roll and adjustment pressing plate, and outlet driven roller drives sanding cloth through fabric guide roll, adjustment pressing plate by outlet brush roll sanding finishing.
The present invention, hairbrush drum is provided with a pair tension pick-up and driven roller.
The present invention, the rear end of sanding finishing device arranges expander, and cloth passes through the second tension pick-up and the second driven roller after expander open-width.
The present invention, has following good effect:
1), the hairbrush of existing six brush roll drum, the path angle of cloth is comparatively large, must increase the tension force of whole cloth, not only cause power of motor to increase, but also cloth distortion can be made excessive, affects sanding effect; Hairbrush drum employing of the present invention five brush roll, cloth can be made more easily to open can also increase the tension force of just cloth in brush roll, makes the better effects if of sanding, obtains energy-conservation effect by structural configuration;
2), the present invention only needs a double-sided synchronous belt just can drive five brush roll, and being different from that existing brush roll drives is that a double-sided synchronous belt can only drive a brush roll; Brush roll driving belt of the present invention is mounted in the outside of machine, and brush roll double-sided synchronous belt is mounted in the inside of machine, but according to the structure of Fig. 3, installation and removal brush roll double-sided synchronous belt does not also need other parts such as bearing of dismantling, labour intensity is reduced during such installation and removal, improve operating efficiency, this brings great convenience and efficiency to assembling and maintenance;
3), the present invention increases by a pair tension pick-up and driven roller above hairbrush drum, the tension force of hairbrush drum left side and right side cloth can be detected respectively, and automatically adjust tension force, this addresses the problem the problem that cloth tension is uneven, more easily control the tension force of cloth and the expansion and contraction of cloth; In the face of same fabric, control make textiles remain longer fiber thus reach more soft feel by lower tension force;
4), the present invention, arrange outlet brush roll to arrange the surface of cloth in sanding cloth outlet output, outlet brush roll can rotating, can control the direction of textile surface fine hair, make cloth cover sanding effect more evenly attractive in appearance according to customer requirement; When have selected pile direction sanding in the same way, sanding effect can be strengthened;
5), the present invention, the top of outlet brush roll is provided with and independently adjusts pressing plate, adjustment pressing plate can regulate cloth and the outlet contact area of brush roll and the pressure of cloth and outlet brush roll to reach multiple cloth cover effect as required, when after the wearing and tearing of outlet brush roll, cloth and the outlet contact area of brush roll and the pressure of cloth and outlet brush roll can also be regulated to ensure stable sanding quality;
6), the present invention, adopt the mode that bilateral tension pick-up controls, be different from the mode adopting monolateral tension force to control, compensate for the deficiency of monolateral tension pick-up, the tension force of cloth can be reflected more really thus carry out better tension force control, make the better effects if of sanding, when the textiles that door width is narrower, effect is particularly evident.
The present invention, has energy-conservation, that installation and removal are convenient, sanding is effective, fine hair is evenly attractive in appearance after sanding advantage.
The present invention is further illustrated by reference to the accompanying drawings for embodiment below.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the structural representation of the whole system of Fig. 1 embodiment;
Fig. 3 is the structural representation of the brush roll synchronous rotation device of Fig. 1 embodiment.
In figure, 1, brush roll; 2, panel assembly is adjusted; 3, left support dish; 4, right support dish; 5, hairbrush drum motor; 6, hairbrush drum Timing Belt; 7, hairbrush drum transmission device; 8, brush roll motor; 9, driving belt; 10, brush roll transmission device; 11, main transmission belt wheel; 12, brush roll double-sided synchronous belt; 13, brush roll drive pulley; 14, tensioning pulley; 15, tension pick-up; 16, driven roller; 17, driven roller is exported; 18, fabric guide roll; 19, brush roll is exported; 20, pressing plate is adjusted; 21, expander; 22, the second tension pick-up; 23, the second driven roller; The path angle of A, cloth; B, cloth.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, the present embodiment comprises hairbrush drum, hairbrush drum drive unit, brush roll drive unit, brush roll synchronous rotation device and sanding finishing device; Hairbrush bulge is drawn together five brush roll 1 and five cover adjustment panel assemblies, 2, five brush roll and is adopted the uniform arrangement transverse strands of planetary structure to be located on the left support dish 3 of hairbrush drum, right support dish 4, and adjustment panel assembly is installed between adjacent two brush roll; Hairbrush drum drive arrangement, in the left side of hairbrush drum, is with electric brush drum transmission device 7 to form hairbrush drum drive unit by hairbrush drum motor 5 by hairbrush drum Timing Belt 6; Brush roll drive arrangement is in the right side of hairbrush drum, and brush roll drive unit comprises brush roll motor 8, driving belt 9 and brush roll transmission device 10, and brush roll motor drives brush roll transmission device by driving belt; Brush roll synchronous rotation device comprises main transmission belt wheel 11, brush roll double-sided synchronous belt 12, five brush roll drive pulleys 13 and four tensioning pulleys 14, main transmission belt wheel is by brush roll actuator drives, and brush roll double-sided synchronous belt is commutated by tensioning pulley and drives five brush roll drive pulley synchronous axial system; Sanding finishing device is arranged at the sanding cloth output of hairbrush drum, sanding finishing device comprises outlet driven roller 17, fabric guide roll 18, outlet brush roll 19 and adjustment pressing plate 20, and outlet driven roller drives sanding cloth through fabric guide roll, adjustment pressing plate by outlet brush roll sanding finishing; Hairbrush drum is provided with a pair tension pick-up 15 and driven roller 16; The rear end of sanding finishing device arranges expander 21, and cloth B passes through the second tension pick-up 22 and the second driven roller 23 after expander open-width.
The present invention, hairbrush drum employing five brush roll can sanding better, compare existing six brush roll or more brush roll, five brush roll have less angle, if hairbrush drum has six brush roll or more brush roll, the path included angle A of cloth can become large, the path of cloth B on hairbrush drum is close to circle, if cloth and the pressure of brush roll are wanted to reach same effect, just must increase the tension force of whole cloth, so not only cause power of motor to increase, but also it is excessive that cloth can be made to be out of shape, and affects sanding effect; In addition, cloth enters first through adjustment panel assembly before brush roll, and after adjustment panel assembly, cloth can be opened further, and the angle of two adjacent adjustment panel assemblies is less, and cloth is more easily opened; The angle of adjacent two the adjustment panel assemblies of hairbrush drum of five brush roll is less, comparatively large to the impact of cloth when hairbrush drum rotates, like this except can better cloth be launched, the tension force of just cloth in brush roll can also be increased, make the better effects if of sanding, thus energy-conservation further; The diameter of five roller brush roll is larger than traditional brush roll diameter, and under identical rotating speed, the linear velocity on large diameter brush roll surface is comparatively large, the better effects if of sanding; If brush roll quantity is less than five, whole hairbrush drum does not just have radian, has very large impact when hairbrush drum rotates to cloth, and cloth can be beated more severe on hairbrush drum, and like this, not only sanding effect reduces, but also can affect the stability of whole machine.
The present invention, five brush roll adopt planetary structure synchronously to be driven by five brush roll drive pulleys, main transmission belt wheel drives five brush roll rotations by brush roll double-sided synchronous belt, only need a double-sided synchronous belt just can drive five brush roll, being different from the driving of existing brush roll is that a double-sided synchronous belt can only drive a brush roll, the present invention, the hairbrush drum Timing Belt in left side drives the revolution of whole hairbrush drum, and brush roll and hairbrush drum can positive and negative bidirectional-movements, in addition, existing brush roll driving belt, Timing Belt is mounted in the inside of frame, during such installation and removal brush roll driving belt, just must to dismantle other parts such as bearing, maintenance process is difficult and consuming time, brush roll driving belt of the present invention is mounted in the outside of machine, and brush roll double-sided synchronous belt is mounted in the inside of machine, but according to the structure of Fig. 3, installation and removal brush roll double-sided synchronous belt does not also need other parts such as bearing of dismantling, reduce labour intensity, this brings great convenience to assembling and maintenance, and improve operating efficiency.
The present invention, traditional roughing-up machine is not provided with tension pick-up and driven roller on hairbrush drum, the tension force of cloth on hairbrush drum will be caused so uneven, because tension force is just controlled by the motor of hairbrush drum below, whole hairbrush drum has no idea tension force to be detected; Brush roll is in the process of sanding, if the direction of motion of brush roll is identical with the direction of motion of cloth, brush roll is to being furnished with a thrust forward, hairbrush drum left side cloth can than tension pick-up display large, the cloth on hairbrush drum right side can relax due to the thrust of brush roll, tension force can than tension pick-up display little, which results in the inhomogeneities of sanding; In addition, because driven roller is only in the bottom of hairbrush drum, larger with the free distance of cloth, expect that same sanding effect just must increase the tension force of cloth, the power of motor will be increased like this, cause cloth excessive tensile, often bring various folding line when knit fabric etc. has flexible responsive fabric, reduce the quality of production; The present invention increases by a pair tension pick-up and driven roller above hairbrush drum, the tension force of hairbrush drum left side and right side cloth can be detected respectively, and automatically adjust tension force, this addresses the problem the problem that cloth tension is uneven, because the distance of the cloth between two driven rollers has diminished, more easily control the tension force of cloth and the expansion and contraction of cloth; In the face of same fabric, control make textiles remain longer fiber thus reach more soft feel by lower tension force.
The present invention, arrange outlet brush roll in sanding cloth outlet output, its effect arranges the surface of cloth, and outlet brush roll can rotating, can control the direction of textile surface fine hair, make cloth cover sanding effect more evenly attractive in appearance according to customer requirement; In addition, five brush roll of this outlet brush roll and hairbrush drum are living, when have selected pile direction sanding in the same way, can strengthen sanding effect, such as strengthen sanding 20%; The top of this outlet brush roll is provided with and independently adjusts pressing plate, adjustment pressing plate can regulate cloth and the outlet contact area of brush roll and the pressure of cloth and outlet brush roll to reach multiple cloth cover effect as required, when after the wearing and tearing of outlet brush roll, cloth and the outlet contact area of brush roll and the pressure of cloth and outlet brush roll can also be regulated to ensure stable sanding quality.
The present invention, be different from the mode adopting monolateral tension force to control, the monolateral control of tension pick-up will cause tension force distortion, because cloth is different near tension pick-up with away from tension force display during sensor, cannot show the real tension force of cloth; Cloth near tension pick-up time, tension pick-up display cloth tension can be larger than actual tension; When cloth is away from tension pick-up, the cloth tension of tension pick-up display can be less than actual tension; The present invention, the mode adopting bilateral tension pick-up to control, compensate for the deficiency of monolateral tension pick-up, can reflect the tension force of cloth more really thus carry out better tension force control, make the better effects if of sanding, when the textiles cloth that door width is narrower, effect is particularly evident.
Claims (3)
1. a roughing-up machine sanding system, is characterized in that: comprise hairbrush drum, hairbrush drum drive unit, brush roll drive unit, brush roll synchronous rotation device and sanding finishing device; Five brush roll (1) and five covers adjustment panel assembly (2) are drawn together in described hairbrush bulge, five brush roll adopt the uniform arrangement transverse strands of planetary structure to be located on the bulging left support dish (3) of hairbrush, right support dish (4), and described adjustment panel assembly is installed between adjacent two brush roll; Electric brush drum transmission device (7) is with to form hairbrush drum drive unit by hairbrush drum motor (5) by hairbrush drum Timing Belt (6);
Described brush roll drive unit comprises brush roll motor (8), driving belt (9) and brush roll transmission device (10), and described brush roll motor drives brush roll transmission device by driving belt;
Described brush roll synchronous rotation device comprises main transmission belt wheel (11), brush roll double-sided synchronous belt (12), five brush roll drive pulleys (13) and four tensioning pulleys (14), described main transmission belt wheel is by brush roll actuator drives, and described brush roll double-sided synchronous belt is commutated by tensioning pulley and drives five brush roll drive pulley synchronous axial system;
Described sanding finishing device is arranged at the sanding cloth output of hairbrush drum, described sanding finishing device comprises outlet driven roller (17), fabric guide roll (18), outlet brush roll (19) and adjustment pressing plate (20), and described outlet driven roller drives sanding cloth through fabric guide roll, adjustment pressing plate by outlet brush roll sanding finishing.
2. roughing-up machine sanding system according to claim 1, is characterized in that: on described hairbrush drum, be provided with a pair tension pick-up (15) and driven roller (16).
3. roughing-up machine sanding system according to claim 2, is characterized in that: the rear end of described sanding finishing device arranges expander (21), and cloth passes through the second tension pick-up (22) and the second driven roller (23) after expander open-width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325730.3A CN104928877B (en) | 2015-06-12 | 2015-06-12 | A kind of roughing-up machine sanding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510325730.3A CN104928877B (en) | 2015-06-12 | 2015-06-12 | A kind of roughing-up machine sanding system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104928877A true CN104928877A (en) | 2015-09-23 |
| CN104928877B CN104928877B (en) | 2016-10-05 |
Family
ID=54116291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510325730.3A Active CN104928877B (en) | 2015-06-12 | 2015-06-12 | A kind of roughing-up machine sanding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104928877B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436122A (en) * | 2016-10-20 | 2017-02-22 | 广东瑞拓环保机械有限公司 | Adjusting plate device for sanding machine hairbrush drum |
| CN107881692A (en) * | 2017-11-24 | 2018-04-06 | 湖州翔顺工贸有限公司 | A kind of fabric roughing-up machine |
| CN114016240A (en) * | 2021-12-16 | 2022-02-08 | 广东德博仕工业有限公司 | Eight-plus-one carbon roller brushing machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070442A (en) * | 1991-09-13 | 1993-03-31 | 菲奥伦佐·比安卡莱尼机械公司 | Equipment and method that the fabric abrasion is handled |
| CN2167113Y (en) * | 1993-08-19 | 1994-06-01 | 无锡县前洲黄石街染整设备厂 | Multi-roller planet type machine for teasing fabrics |
| CN1294645A (en) * | 1998-03-03 | 2001-05-09 | 格玛特克斯纺织加工机械有限公司 | Machine for treating surface of textile fabric |
| CN2563177Y (en) * | 2002-07-19 | 2003-07-30 | 连云港鹰游纺机有限责任公司 | Teasing device for fabric |
| CN102477678A (en) * | 2010-11-25 | 2012-05-30 | 苏祥 | Horizontal sanding machine |
| CN202626641U (en) * | 2012-04-16 | 2012-12-26 | 新昌县科是机械有限公司 | Eight-roller rotary vertical type sueding machine |
| CN202730470U (en) * | 2012-05-30 | 2013-02-13 | 江阴巨龙色织有限公司 | Textile sueding machine |
| CN204690344U (en) * | 2015-06-12 | 2015-10-07 | 广东瑞拓环保机械有限公司 | A kind of roughing-up machine sanding system |
-
2015
- 2015-06-12 CN CN201510325730.3A patent/CN104928877B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1070442A (en) * | 1991-09-13 | 1993-03-31 | 菲奥伦佐·比安卡莱尼机械公司 | Equipment and method that the fabric abrasion is handled |
| CN2167113Y (en) * | 1993-08-19 | 1994-06-01 | 无锡县前洲黄石街染整设备厂 | Multi-roller planet type machine for teasing fabrics |
| CN1294645A (en) * | 1998-03-03 | 2001-05-09 | 格玛特克斯纺织加工机械有限公司 | Machine for treating surface of textile fabric |
| CN2563177Y (en) * | 2002-07-19 | 2003-07-30 | 连云港鹰游纺机有限责任公司 | Teasing device for fabric |
| CN102477678A (en) * | 2010-11-25 | 2012-05-30 | 苏祥 | Horizontal sanding machine |
| CN202626641U (en) * | 2012-04-16 | 2012-12-26 | 新昌县科是机械有限公司 | Eight-roller rotary vertical type sueding machine |
| CN202730470U (en) * | 2012-05-30 | 2013-02-13 | 江阴巨龙色织有限公司 | Textile sueding machine |
| CN204690344U (en) * | 2015-06-12 | 2015-10-07 | 广东瑞拓环保机械有限公司 | A kind of roughing-up machine sanding system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106436122A (en) * | 2016-10-20 | 2017-02-22 | 广东瑞拓环保机械有限公司 | Adjusting plate device for sanding machine hairbrush drum |
| CN106436122B (en) * | 2016-10-20 | 2018-05-25 | 广东瑞拓环保机械有限公司 | The adjustment panel assembly of roughing-up machine hairbrush drum |
| CN107881692A (en) * | 2017-11-24 | 2018-04-06 | 湖州翔顺工贸有限公司 | A kind of fabric roughing-up machine |
| CN114016240A (en) * | 2021-12-16 | 2022-02-08 | 广东德博仕工业有限公司 | Eight-plus-one carbon roller brushing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104928877B (en) | 2016-10-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104928877A (en) | Sanding system of sanding machine | |
| CN204690344U (en) | A kind of roughing-up machine sanding system | |
| CN210134250U (en) | Planetary wheel type multifunctional sanding machine | |
| CN104670954B (en) | A kind of continous way clot, the method for change of lap | |
| CN204690343U (en) | A kind of five roller hairbrush drum sanding devices | |
| CN100406252C (en) | Dual purpose circular screen printing machine | |
| CN106435971B (en) | The water-jet loom of embedded coiling device with deviation-correcting function and the application device | |
| CN114250568A (en) | Rapid fabric ironing device for garment production | |
| CN104928876A (en) | Five-roll brush drum sanding device | |
| CN102785976A (en) | Rubber tube cloth wrapping and unloosening machine | |
| CN205775382U (en) | A kind of direct drive mechanism of washing machine | |
| CN104310091A (en) | Unreeling device linked with main engine and mounting method thereof | |
| CN202369708U (en) | Glass fiber warping machine | |
| CN102936822A (en) | Prewetting and drying sueding machine | |
| CN102115946B (en) | Anti-back rolling device for flat machine | |
| CN216694351U (en) | High-speed cloth drying machine | |
| CN102535076A (en) | Package fabric-feed prewetting and drying roughening machine | |
| CN102535074A (en) | Scutching device | |
| CN106222854B (en) | Water-jet loom with the coiling device and application of adjustment the function device | |
| CN209618510U (en) | A kind of stretch fabric press polish plaiting apparatus | |
| CN212030131U (en) | Cloth drying device for textile processing | |
| CN204298630U (en) | Open width device | |
| CN207713101U (en) | A kind of conveying device for textile fabric production | |
| CN112520453A (en) | All-round displacement structure of spinning machine | |
| CN112573135A (en) | Decorating machine drying room with mesh belt deviation correcting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |