CN211164608U - Mixer with damping device - Google Patents
Mixer with damping device Download PDFInfo
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- CN211164608U CN211164608U CN201921815738.8U CN201921815738U CN211164608U CN 211164608 U CN211164608 U CN 211164608U CN 201921815738 U CN201921815738 U CN 201921815738U CN 211164608 U CN211164608 U CN 211164608U
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- upper base
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Abstract
The utility model relates to a stirrer with a damping device, which comprises a damping base and a stirrer body arranged on the top of the damping base; the damping base comprises an upper base and a lower base which are arranged up and down; a vertical shock absorption structure used for relieving the shock in the vertical direction of the stirrer body is arranged between the upper base and the lower base; the top of going up the base is provided with and is used for placing the recess of mixer body, the bottom of recess is provided with the shock pad, the inside wall of recess is provided with along circumference with the lateral wall looks butt's of mixer body horizontal shock attenuation piece. The utility model discloses a set up damper unit at the base, slow down the shaking force of base to ground to reduce the noise of mixer during operation, produce adverse effect's possibility to the human body with reduction mixer during operation.
Description
Technical Field
The utility model belongs to the technical field of agitated vessel's technique and specifically relates to a mixer with damping device is related to.
Background
The mixer is a common device for building engineering, and is mainly used for mixing and stirring building materials such as cement, sand, various dry mortar and the like to form concrete.
At present, the existing stirring machine generally comprises a base in rigid contact with the ground, a stirring barrel arranged on the base, a stirring paddle arranged in the stirring barrel, and a motor connected with the stirring paddle and used for driving the stirring paddle to rotate. Raw materials such as cement and gravel enter the stirring barrel from a feeding hole of the stirring barrel, and after the cement and gravel are uniformly mixed by the motor-driven stirring paddle, a finished product is discharged from a discharging hole of the stirring barrel.
The above prior art solutions have the following drawbacks: when materials in the stirring barrel are excessive or the resistance encountered by the stirring paddle is large, the whole stirring machine vibrates, and the conventional base lacks a damping function, so that the stirring machine is easy to generate large noise when vibrating strongly; if the field staff is in an environment with larger noise for a long time, the hearing loss is easy to cause, and the health of the field staff is not facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mixer with damping device through set up damper at the base, slows down the shaking force of base to ground to reduce the noise of mixer during operation, produce adverse effect's possibility to the human body with reduction mixer during operation.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a stirrer with a damping device comprises a damping base and a stirrer body arranged at the top of the damping base; the damping base comprises an upper base and a lower base which are arranged up and down; a vertical shock absorption structure used for relieving the shock in the vertical direction of the stirrer body is arranged between the upper base and the lower base; the top of going up the base is provided with and is used for placing the recess of mixer body, the bottom of recess is provided with the shock pad, the inside wall of recess is provided with along circumference with the lateral wall looks butt's of mixer body horizontal shock attenuation piece.
By adopting the technical scheme, the damping base is arranged below the stirrer body and comprises an upper base and a lower base, and a vertical damping structure is arranged between the upper base and the lower base and can absorb and relieve vertical vibration force; the top of the upper base is provided with a groove, the bottom of the groove is provided with a shock pad, and the stirrer body is placed on the shock pad, so that the stirrer body can be prevented from being in direct rigid contact with the upper base, and meanwhile, the vibration force in the vertical direction can be absorbed and relieved, and the purposes of shock absorption and noise reduction are achieved; in addition, the inside wall of recess is provided with horizontal shock attenuation piece along circumference, and one side that horizontal shock attenuation piece is close to mixer body is in butt with mixer body's inside wall, is favorable to reducing the horizontal shaking force that mixer body received to further the shock attenuation with fall the noise, with the possibility that reduces mixer body during operation and produce adverse effect to the human body.
The utility model discloses further set up to: the vertical shock absorbing structure comprises a first shock absorbing assembly; the first damping assembly comprises a sleeve arranged on the lower base, a sliding rod arranged on the upper base and connected with the sleeve in a sliding mode along the vertical direction, and a first elastic piece sleeved on the outer peripheral side of the sliding rod; one end of the first elastic piece is fixed on the upper base, and the other end of the first elastic piece is fixed on the sleeve.
Through adopting above-mentioned technical scheme, vertical shock-absorbing structure includes a shock-absorbing component, and when the mixer body vibrations, the shaking force drove the slide bar up-and-down motion, because the periphery side cover of slide bar is equipped with first elastic component, under first elastic component elastic action, can slow down the ascending shaking force of vertical side to reach the shock attenuation and fall the effect of making an uproar.
The utility model discloses further set up to: the vertical shock absorption structure further comprises a second shock absorption assembly, wherein the second shock absorption assembly comprises a connecting rod arranged on one side, facing the lower base, of the upper base, an installation rod arranged on one end, far away from the upper base, of the connecting rod, two movable rods rotatably arranged on two opposite sides of the installation rod, and a sliding block arranged on one end, far away from the installation rod, of the movable rod; the two movable rods are arranged in a splayed shape, and the lower base is provided with a sliding groove matched with the sliding block.
By adopting the technical scheme, the vertical shock absorption structure further comprises a second shock absorption assembly, when the stirrer body vibrates, the connecting rod and the mounting rod are driven to move up and down by vibration force, when the mounting rod moves upwards, the movable rod is pulled by the upward force, so that the sliding blocks on two sides of the mounting rod are close to each other, and the angle between the movable rod and the mounting rod is reduced; when the mounting rod moves downwards, the movable rod is pushed by downward pressure, so that the sliding blocks positioned on the two sides of the mounting rod are away from each other, and the angle between the movable rod and the mounting rod is increased; the force of vibration is buffered through the displacement of the movable rod and the sliding block, so that the vibration force is effectively reduced, and the purpose of noise reduction is achieved.
The utility model discloses further set up to: and a second elastic piece is sleeved on the outer peripheral side of the connecting rod, one end of the second elastic piece is fixed on the upper base, and the other end of the second elastic piece is fixed on the mounting rod.
Through adopting above-mentioned technical scheme, establish the second elastic component at the periphery side cover of connecting rod, when mixer body work produced vibrations, the second elastic component was alleviated and was absorbed shaking force with first elastic component together to further reduce the shaking force along vertical direction conveying, and then reach the effect of making an uproar.
The utility model discloses further set up to: the vertical section of the sliding chute is in a C shape, wherein the notch of the sliding chute faces the upper base, and the area of the cross section of the sliding block is larger than the size of the notch of the sliding chute.
Through adopting above-mentioned technical scheme, the vertical section of spout is "C" style of calligraphy, and the notch of spout is towards one side of upper base, and the cross-sectional area of slider is greater than the size of the notch of spout to spacing the slider in the spout, can prevent that the slider from deviating from the notch of spout.
The utility model discloses further set up to: one side that the sleeve kept away from lower base is provided with and keeps off the ring, keep off the ring and offer the confession the slide opening that the slide bar passed, the slide bar is kept away from the one end of going up the base is provided with the stopper, the diameter of stopper is greater than the diameter of slide opening.
By adopting the technical scheme, the end part of the sleeve is provided with the baffle ring, and the baffle ring is provided with the sliding hole, so that the sliding rod can penetrate through the sliding hole to enter the sleeve; the one end that the slide bar is located the sleeve sets up the stopper, and the diameter of stopper is greater than the diameter of slide opening to reach the purpose with the stopper spacing in the spout, deviate from in order to prevent that the slide bar from the sleeve, lead to the problem that can't support the mixer body.
The utility model discloses further set up to: an air bag is arranged in the sleeve, and one side, far away from the sliding rod, of the limiting block abuts against the air bag.
Through adopting above-mentioned technical scheme, set up the gasbag in the sleeve, the gasbag can provide supporting role for the slide bar to a certain extent, and in addition, the gasbag also has the effect of absorbing, slowing down the ascending vibrations in the vertical direction to the noise reduction.
The utility model discloses further set up to: the first shock absorption assemblies are provided with four groups, the four groups of first shock absorption assemblies are respectively close to corners of the upper base and the lower base, and the four groups of first shock absorption assemblies are arranged in a pairwise symmetry mode.
Through adopting above-mentioned technical scheme, first damper sets up four groups, and four groups damper's two bisymmetry equipartitions set up, are favorable to improving vibration damping mount's overall stability to noise reduction.
To sum up, the utility model discloses a beneficial technological effect does:
1. a damping base is arranged below the stirrer body and comprises an upper base and a lower base, a vertical damping structure is arranged between the upper base and the lower base, and the vertical damping structure can absorb and relieve the vibration force in the vertical direction; the top of the upper base is provided with a groove, the bottom of the groove is provided with a shock pad, and the stirrer body is placed on the shock pad, so that the stirrer body can be prevented from being in direct rigid contact with the upper base, and meanwhile, the vibration force in the vertical direction can be absorbed and relieved, and the purposes of shock absorption and noise reduction are achieved; in addition, a transverse damping piece is arranged on the inner side wall of the groove along the circumferential direction, one side of the transverse damping piece, which is close to the stirring machine body, is abutted against the inner side wall of the stirring machine body, so that the transverse vibration force applied to the stirring machine body is favorably reduced, and further the vibration and noise are reduced, so that the possibility of adverse influence on a human body when the stirring machine body works is reduced;
2. the vertical shock absorption structure comprises a first shock absorption assembly, when the stirrer body vibrates, the sliding rod is driven by vibration force to move up and down, and the first elastic piece is sleeved on the outer peripheral side of the sliding rod and can reduce the vibration force in the vertical direction under the elastic action of the first elastic piece, so that the shock absorption and noise reduction effects are achieved;
3. the vertical shock absorption structure also comprises a second shock absorption assembly, when the stirrer body vibrates, the connecting rod and the mounting rod are driven to move up and down by vibration force, when the mounting rod moves upwards, the movable rod is pulled by the upward force, so that the sliding blocks on the two sides of the mounting rod are close to each other, and the angle between the movable rod and the mounting rod is reduced; when the mounting rod moves downwards, the movable rod is pushed by downward pressure, so that the sliding blocks positioned on the two sides of the mounting rod are away from each other, and the angle between the movable rod and the mounting rod is increased; the force of vibration is buffered through the displacement of the movable rod and the sliding block, so that the vibration force is effectively reduced, and the purpose of noise reduction is achieved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view of the overall structure of the vibration damping mount of the present embodiment;
FIG. 3 is a sectional view of the damper base according to the embodiment;
fig. 4 is a sectional view of the slider of the present embodiment.
In the figure, 1, a blender body; 2. a damping mount; 3. an upper base; 31. a groove; 32. a shock pad; 33. a lateral shock absorbing member; 4. a lower base; 41. a chute; 5. a first dampening member; 51. a slide bar; 511. a limiting block; 52. a sleeve; 521. a baffle ring; 53. a first elastic member; 54. an air bag; 6. a second dampening member; 61. a connecting rod; 62. mounting a rod; 63. a movable rod; 64. a slider; 65. a second elastic member.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In this embodiment: referring to fig. 1, for the utility model discloses a mixer with damping device, including vibration damping mount 2 and set up in the mixer body 1 at vibration damping mount 2 top, through setting up vibration damping mount 2 that has the cushioning effect, can reduce the vibrations degree of mixer body 1 when stirring the material to reach the mesh of noise reduction.
Referring to fig. 2 and 3, the damping base 2 includes an upper base 3 for receiving the mixer body 1, a lower base 4 disposed under the upper base 3, and a vertical damping structure disposed between the upper base 3 and the lower base 4.
The upper base 3 and the lower base 4 have the same shape, and in this embodiment, the cross sections of the upper base 3 and the lower base 4 are quadrilateral. Wherein, the top of the upper base 3 is provided with a groove 31, the cross section of the groove 31 is circular, the whole shape of the blender body 1 (refer to fig. 1) is cylindrical, and the blender body 1 is placed in the groove 31.
In order to avoid direct rigid contact between the blender body 1 and the upper base 3, the bottom of the groove 31 is provided with a shock pad 32, specifically, the shock pad 32 is a damping shock-absorbing layer. In addition, a plurality of horizontal shock absorbing members 33 are uniformly arranged on the inner side wall of the groove 31 around the circumference of the inner side wall, the horizontal shock absorbing members 33 can be springs, rubber and the like, in the embodiment, the horizontal shock absorbing members 33 take rubber balls as an example, one side of the rubber balls far away from the stirring machine body 1 is fixed on the inner side wall of the groove 31, and one side of the rubber balls close to the stirring machine body 1 is abutted against the outer side wall of the stirring connection body. By the scheme, when the stirrer body 1 works to generate vibration, the vibration pad 32 positioned at the bottom of the stirrer body 1 can absorb part of vibration force transmitted along the vertical direction, and the transverse vibration piece 33 abutted against the outer peripheral side of the stirrer body 1 can absorb part of vibration force transmitted along the transverse direction, so that the vibration amplitude of the stirrer body 1 is reduced, and the noise generated when the stirrer body 1 works is reduced.
Referring to fig. 2 and 3, the vertical shock-absorbing structure includes four sets of first shock-absorbing assemblies 5 and four sets of second shock-absorbing assemblies 6. The four groups of first shock absorption components 5 are arranged close to corners of the upper base 3 and the lower base 4, the four groups of first shock absorption components 5 are arranged in a pairwise symmetrical mode, and the second shock absorption components 6 are arranged between the two adjacent groups of first shock absorption components 5.
The first damping assembly 5 includes a sleeve 52 welded and fixed to one side of the lower base 4 facing the upper base 3, a sliding rod 51 welded and fixed to the upper base 3 and slidably connected to the sleeve 52 in a vertical direction, and a first elastic member 53 sleeved on an outer peripheral side of the sliding rod 51. The first elastic member 53 may be a spring, rubber, etc., in this embodiment, the first elastic member 53 is a first spring, one end of which is fixed to the upper base 3, and the other end of which is fixed to the end of the sleeve 52 away from the lower base 4.
In order to limit the sliding rod 51 from sliding out of the sleeve 52, a stop ring 521 is disposed at one end of the sleeve 52 away from the lower base 4, a sliding hole with a circular cross section for the sliding rod 51 to pass through is formed in the stop ring 521, and a limit block 511 with a circular cross section is welded and fixed at one end of the sliding rod 51 away from the upper base 3. The limiting block 511 is located in the sleeve 52, and the cross-sectional area of the limiting block 511 is larger than that of the sliding hole, so that the limiting block 511 can be limited in the sleeve 52 to prevent the sliding rod 51 from sliding out of the sleeve 52.
An air bag 54 is arranged in the sleeve 52, the outer side wall of the air bag 54 is abutted against the inner side wall of the sleeve 52, the air bag is positioned at the bottom of the sleeve 52, and the first abutting of the limiting block 511 far away from the sliding rod 51 is abutted against the air bag 54. An air bag 54 is provided, the air bag 54 can provide a supporting function for the sliding rod 51 to a certain extent, and in addition, the air bag 54 also has the function of absorbing and relieving the vibration in the vertical direction.
Referring to fig. 3 and 4, the second damping assembly 6 (see fig. 2) includes a connecting rod 61 fixed by welding to one side of the upper base 3 facing the lower base 4, a mounting rod 62 fixed by welding to one end of the connecting rod 61 far away from the upper base 3, two movable rods 63 hinged to two opposite sides of the mounting rod 62, and a slider 64 hinged to one end of the movable rod 63 far away from the mounting rod 62.
The length direction of the connecting rod 61 is perpendicular to the length direction of the mounting rod 62, the two movable rods 63 are arranged in a splayed shape, and the lower base 4 is provided with sliding grooves 41 corresponding to the two sliding blocks 64 respectively, wherein the sliding grooves 64 are used for sliding and guiding the sliding blocks 64. The sliding groove 41 is disposed in a long strip shape, the sliding groove 41 extends from the bottom of the connecting rod 61 to one side of the first damping component 5, the sliding block 64 is located in the sliding groove 41, and the sliding block 64 is slidably connected with the sliding groove 41. In order to prevent the sliding block 64 from coming out of the notch of the sliding slot 41, in the present embodiment, the vertical cross section of the sliding slot 41 is "C", the notch of the sliding slot 41 faces to one side of the upper base 3, and the cross section of the sliding block 64 is larger than the size of the notch of the sliding slot 41, so that the sliding block 64 is limited in the sliding slot 41.
In addition, the outer circumference of the connecting rod 61 is sleeved with a second elastic member 65, and the second elastic member 65 may be a spring, rubber, or the like. In this embodiment, the second elastic member 65 is exemplified by a second spring, one end of which is fixed to the upper base 3 and the other end of which is fixed to the side of the mounting rod 62 facing the upper base 3.
The implementation principle of the embodiment is as follows: the top of the upper base 3 is provided with a groove 31, the bottom of the groove 31 is provided with a shock pad 32, the stirrer body 1 is placed on the shock pad 32, direct rigid contact between the stirrer body 1 and the upper base 3 can be avoided, and meanwhile, the vertical vibration force can be absorbed and relieved, so that the purposes of shock absorption and noise reduction are achieved; in addition, the inner side wall of the groove 31 is circumferentially provided with a transverse damping member 33, one side of the transverse damping member 33 close to the stirring machine body 1 is abutted with the inner side wall of the stirring machine body 1, so that the transverse vibration force applied to the stirring machine body 1 is reduced, and further the vibration and noise are reduced, so that the possibility of adverse effect on a human body when the stirring machine body 1 works is reduced;
the vertical shock absorption structure comprises a first shock absorption assembly 5, when the stirrer body 1 vibrates, the sliding rod 51 is driven by vibration force to move up and down, and as the first elastic piece 53 is sleeved on the peripheral side of the sliding rod 51, the vibration force in the vertical direction can be relieved under the elastic action of the first elastic piece 53, so that the shock absorption and noise reduction effects are achieved;
the vertical shock absorption structure further comprises a second shock absorption assembly 6, when the stirring machine body 1 vibrates, vibration force drives the connecting rod 61 and the mounting rod 62 to move up and down, wherein when the mounting rod 62 moves upwards, the movable rod 63 is pulled by the upward force, so that the sliding blocks 64 on the two sides of the mounting rod 62 are close to each other, and the angle between the movable rod 63 and the mounting rod 62 is reduced; when the mounting rod 62 moves downward, the movable rod 63 is pushed by downward pressure, so that the sliding blocks 64 on both sides of the mounting rod 62 are far away from each other, and the angle between the movable rod 63 and the mounting rod 62 becomes larger; the vibration force is buffered through the displacement of the movable rod 63 and the sliding block 64, so that the vibration force is effectively reduced, and the purpose of noise reduction is achieved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a mixer with damping device which characterized in that: comprises a damping base (2) and a stirrer body (1) arranged at the top of the damping base (2); the damping base (2) comprises an upper base (3) and a lower base (4) which are arranged up and down; a vertical shock absorption structure used for relieving the vibration of the stirrer body (1) in the vertical direction is arranged between the upper base (3) and the lower base (4); the top of the upper base (3) is provided with a groove (31) for placing the stirrer body (1), the bottom of the groove (31) is provided with a shock pad (32), and the inner side wall of the groove (31) is circumferentially provided with a transverse shock absorption piece (33) abutted to the side wall of the stirrer body (1).
2. A mixer with vibration damper according to claim 1, wherein: the vertical shock-absorbing structure comprises a first shock-absorbing assembly (5); the first damping assembly (5) comprises a sleeve (52) arranged on the lower base (4), a sliding rod (51) arranged on the upper base (3) and connected with the sleeve (52) in a sliding mode along the vertical direction, and a first elastic piece (53) sleeved on the outer peripheral side of the sliding rod (51); one end of the first elastic piece (53) is fixed on the upper base (3), and the other end is fixed on the sleeve (52).
3. A mixer with vibration damper according to claim 2, wherein: the vertical shock absorption structure further comprises a second shock absorption assembly (6), wherein the second shock absorption assembly (6) comprises a connecting rod (61) arranged on one side, facing the lower base (4), of the upper base (3), an installation rod (62) arranged at one end, far away from the upper base (3), of the connecting rod (61), two movable rods (63) rotatably arranged on two opposite sides of the installation rod (62), and a sliding block (64) arranged at one end, far away from the installation rod (62), of each movable rod (63); the two movable rods (63) are arranged in a splayed shape, and the lower base (4) is provided with a sliding groove (41) matched with the sliding block (64).
4. A mixer with vibration damper according to claim 3, wherein: the outer periphery side of the connecting rod (61) is sleeved with a second elastic piece (65), one end of the second elastic piece (65) is fixed to the upper base (3), and the other end of the second elastic piece is fixed to the mounting rod (62).
5. A mixer with vibration damper according to claim 3, wherein: the vertical section of the sliding groove (41) is in a C shape, wherein a notch of the sliding groove (41) faces the upper base (3), and the area of the cross section of the sliding block (64) is larger than the size of the notch of the sliding groove (41).
6. A mixer with vibration damper according to claim 2, wherein: one side of the sleeve (52) far away from the lower base (4) is provided with a blocking ring (521), the blocking ring (521) is provided with a sliding hole for the sliding rod (51) to pass through, one end of the sliding rod (51) far away from the upper base (3) is provided with a limiting block (511), and the diameter of the limiting block (511) is larger than that of the sliding hole.
7. A mixer with vibration damper according to claim 6, wherein: an air bag (54) is arranged in the sleeve (52), and one side of the limiting block (511) far away from the sliding rod (51) is abutted to the air bag (54).
8. A mixer with vibration damper according to claim 2, wherein: the first shock absorption assemblies (5) are provided with four groups, the four groups of first shock absorption assemblies (5) are respectively close to corners of the upper base (3) and the lower base (4), and the four groups of first shock absorption assemblies (5) are arranged in a pairwise symmetrical mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815738.8U CN211164608U (en) | 2019-10-26 | 2019-10-26 | Mixer with damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921815738.8U CN211164608U (en) | 2019-10-26 | 2019-10-26 | Mixer with damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211164608U true CN211164608U (en) | 2020-08-04 |
Family
ID=71822741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921815738.8U Expired - Fee Related CN211164608U (en) | 2019-10-26 | 2019-10-26 | Mixer with damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211164608U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606207A (en) * | 2020-11-24 | 2021-04-06 | 安徽建筑大学 | Concrete mixing device for road and bridge |
| CN113083074A (en) * | 2021-04-19 | 2021-07-09 | 徐州舜恩工业装备有限公司 | Noise-reduction environment-friendly asphalt stirring device |
| CN113459277A (en) * | 2021-07-01 | 2021-10-01 | 中建中新建设工程有限公司 | Grouting device and grouting method for pile foundation construction |
-
2019
- 2019-10-26 CN CN201921815738.8U patent/CN211164608U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112606207A (en) * | 2020-11-24 | 2021-04-06 | 安徽建筑大学 | Concrete mixing device for road and bridge |
| CN112606207B (en) * | 2020-11-24 | 2022-05-13 | 安徽建筑大学 | Concrete mixing device for road and bridge |
| CN113083074A (en) * | 2021-04-19 | 2021-07-09 | 徐州舜恩工业装备有限公司 | Noise-reduction environment-friendly asphalt stirring device |
| CN113459277A (en) * | 2021-07-01 | 2021-10-01 | 中建中新建设工程有限公司 | Grouting device and grouting method for pile foundation construction |
| CN113459277B (en) * | 2021-07-01 | 2022-07-01 | 中建中新建设工程有限公司 | Grouting device and grouting method for pile foundation construction |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20211026 |
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| CF01 | Termination of patent right due to non-payment of annual fee |