CN210139442U - Cutting device of logical chlorine pipe tetrafluoro inside lining - Google Patents
Cutting device of logical chlorine pipe tetrafluoro inside lining Download PDFInfo
- Publication number
- CN210139442U CN210139442U CN201920976097.8U CN201920976097U CN210139442U CN 210139442 U CN210139442 U CN 210139442U CN 201920976097 U CN201920976097 U CN 201920976097U CN 210139442 U CN210139442 U CN 210139442U
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- sleeve
- rod
- annular seat
- ejector
- ejector rod
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Abstract
The utility model discloses a cutting device for polytetrafluoroethylene lining of a chlorine-introducing pipe, which comprises a bottom plate, wherein a support plate is arranged at the left end of the bottom plate, a sleeve pipe extending to the right end of the bottom plate is fixed at the right side of the support plate, the sleeve pipe is provided with a plurality of inner support components from the end surface of the right end to the left end, each inner support component comprises a plurality of ejector rods I uniformly distributed along the circumference of the central shaft of the sleeve pipe, a driving component I is also arranged inside the sleeve pipe, the right end of the bottom plate is provided with a fixing frame, an annular seat is arranged on the fixing frame, the annular seat is coincided with the central shaft of the sleeve pipe, a plurality of ejector rods II parallel to the cross section of the annular seat are uniformly distributed along the circumference of the circle center of the annular seat, the ejector rods II are connected with the annular seat in a sliding manner, the driving component II is arranged in the annular seat, the cutting, the application range is wide, the operation method is simple, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of pipeline transportation, especially indicate a cutting device of logical chlorine pipe tetrafluoro inside lining.
Background
The tetrafluoride pipe has wide application in corrosive fluid conveying pipelines. In this kind of application, the tetrafluoro pipe need be cut into the fixed length earlier, and then with the tubular metal resonator suit, but current tetrafluoro pipe is at the manpower cutting in-process, need earlier the tetrafluoro pipe outer wall block to fix a position according to cutting length, then press on one side polytetrafluoroethylene pipe, the another side cut with the hand, production efficiency is low, in addition, when cutting, the tetrafluoro hose can take place to warp because of the downward effort that the cutter applyed, leads to the incision unevenness.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a cutting device for teflon liner of chlorine pipe, so as to solve all or one of the above-mentioned drawbacks in the prior art.
Based on the above purpose, the utility model provides a cutting device for a polytetrafluoroethylene lining of a chlorine pipe, which comprises a bottom plate, wherein a support plate is arranged at the left end of the bottom plate, a sleeve extending to the right end of the bottom plate is fixed at the right side of the support plate, a plurality of inner support assemblies are arranged on the sleeve from the end face of the right end to the left end of the sleeve, each inner support assembly comprises a plurality of ejector rods uniformly distributed along the circumference of the central shaft of the sleeve, the ejector rods are parallel to the cross section of the sleeve, the ejector rods penetrate through the outer wall of the sleeve and are in sliding connection with the sleeve, a first driving assembly for driving the ejector rods to be close to or far away from the central shaft of the sleeve at the same time is arranged in the sleeve, a fixing frame is arranged at the right end of the bottom plate, an annular seat is arranged on the fixing frame and coincides with, the annular seat is evenly distributed with a plurality of ejector rod II parallel to the cross section of the annular seat along the circumference of the circle center of the annular seat, the ejector rod II is connected with the annular seat in a sliding mode, a driving assembly II used for driving the ejector rod II to be close to or far away from the center shaft of the annular seat simultaneously is arranged in the annular seat, the right end of the bottom plate is further provided with a support in an inverted L shape, an air cylinder is arranged at the upper end of the support, a piston rod of the air cylinder is vertically downward, a cutter is arranged at the lower end of the.
Optionally, the first driving assembly comprises a plurality of supporting seats arranged inside the sleeve, a pull rod in sliding connection is arranged at the center of each supporting seat and penetrates through the supporting plate, the pull rod coincides with the central axis of the sleeve, a sleeve ring which corresponds to the inner supporting assembly one by one is arranged on the pull rod, a connecting rod which is the same as the ejector rod of the single inner supporting assembly in number is arranged on the sleeve ring, the connecting rod is evenly distributed on the circumference of the central axis of the sleeve ring, one end of the connecting rod is hinged to the sleeve ring, the other end of the connecting rod is hinged to the ejector rod, a second bolt in threaded connection is arranged at the upper end of the supporting plate, and the bottom of the second bolt is.
Optionally, an annular cavity is formed in the annular seat, the second driving assembly comprises a rotating ring arranged in the annular cavity, the second ejector rod is located at the upper end of the rotating ring, gear teeth are arranged on the lower end face of the second ejector rod, planar threads meshed with the gear teeth are arranged on the upper end face of the rotating ring, an annular hole is formed in one end, located at the rotating ring, of the annular seat, a shifting rod is arranged at the lower end of the rotating ring, and the shifting rod penetrates through the annular hole.
Optionally, one end of the first ejector rod far away from the central shaft of the sleeve and one end of the second ejector rod close to the central shaft of the sleeve are provided with rubber heads.
Optionally, a sliding rail parallel to the sleeve is further arranged on the bottom plate, a limiting block in sliding connection is arranged on the sliding rail, a first bolt in threaded connection is arranged on the side face of the limiting block, and the bottom of the first bolt penetrates through the limiting block and abuts against the side face of the sliding rail.
Optionally, a spring is sleeved on the first ejector rod and located inside the sleeve, one end of the spring is connected with the inner wall of the sleeve, and the other end of the spring is fixed to the outer wall of the first ejector rod.
Optionally, a pull ring is arranged at the left end of the pull rod.
From the above, can see out, the utility model provides a pair of lead to cutting device of chlorine pipe tetrafluoro inside lining, this cutting device adopts a plurality of ejector pins one and ejector pin two to the inner wall of tetrafluoro pipe and the even clamp of outer wall respectively, avoids the tetrafluoro pipe to receive external force and warp when the cutting, utilizes drive assembly one and drive assembly two to adjust the circumference size that ejector pin one and ejector pin two formed respectively to be fit for pressing from both sides tightly the tetrafluoro pipe of different diameters, application scope is wide, and operating method is simple, and the practicality is strong.
Drawings
Fig. 1 is a front schematic view of a cutting device of the present invention;
fig. 2 is a right side view of the cutting device of the present invention;
fig. 3 is a schematic view of the internal structure of the sleeve of the present invention;
FIG. 4 is an enlarged view of the point B in FIG. 3;
FIG. 5 is a schematic side cross-sectional view of the inner support assembly;
FIG. 6 is a right side view of the annular seat;
FIG. 7 is a left side view of the annular seat;
fig. 8 is a sectional view taken along the line a of the annular seat in fig. 6.
The device comprises a base plate 1, a sliding rail 2, a bolt I3, a limiting block 4, a support plate 5, a pull rod 6, a pull ring 7, a bolt II 8, a bolt II 9, a sleeve 10, a rubber head 11, a mandril I11, a fixing frame 12, a mandril II 13, an annular seat 14, a deflector rod 15, a support 16, a cutter 17, an air cylinder 18, a spring 19, a connecting rod 20, a lantern ring 21, a support seat 22, a rotating ring 23, a gear tooth 24 and an annular hole 25.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
It should be noted that all expressions of "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name or different parameters, and it is understood that "first" and "second" are only for convenience of expression and should not be construed as limitations of the embodiments of the present invention, and that the terms of direction and position such as "up", "middle", "down", "front", "back", "left", "right", "inner", "outer", "side", etc. in the embodiments of the present invention refer to directions and positions of the attached drawings, and therefore, the terms of direction and position are used for illustration and understanding of the present invention, and are not used to limit the present invention from the following embodiments.
The cutting device for the polytetrafluoroethylene lining of the chlorine-passing pipe comprises a bottom plate 1, wherein a support plate 5 is arranged at the left end of the bottom plate 1, a sleeve 9 extending to the right end of the bottom plate 1 is fixed on the right side of the support plate 5, a plurality of inner support assemblies are arranged from the end face of the right end of the sleeve 9 to the left end of the sleeve 9, each inner support assembly comprises a plurality of ejector rod I11 uniformly distributed along the circumference of the central shaft of the sleeve 9, each ejector rod I11 is parallel to the cross section of the sleeve 9, each ejector rod I11 penetrates through the outer wall of the sleeve 9 and is in sliding connection with the sleeve 9, a first driving assembly for driving each ejector rod I11 to be close to or far away from the central shaft of the sleeve 9 is further arranged inside the sleeve 9, a fixing frame 12 is arranged at the right end of the bottom plate 1, an annular seat 14 is arranged on the fixing frame 12 and coincides with the central shaft of the sleeve 9, and, annular seat 14 is along its centre of a circle circumference equipartition a plurality of ejector pin two 13 that is on a parallel with its cross section, ejector pin two 13 and annular seat 14 sliding connection, be equipped with in the annular seat 14 and be used for driving ejector pin two 13 and be close to simultaneously or keep away from the drive assembly two of the center pin of annular seat 14, the right-hand member of bottom plate 1 still is equipped with the support 16 of falling L shape, the support 16 upper end is equipped with cylinder 18, the piston rod of cylinder 18 is vertical down and the lower extreme is equipped with cutter 17, cutter 17 terminal surface is close to annular seat 14.
Referring to fig. 1, as an embodiment, the tetrafluoro liner of the chlorine introducing pipe is also a tubular structure, the tetrafluoro pipe is inserted from the right end of the casing 9, referring to the perspective of fig. 2, the tetrafluoro pipe is inserted into the position between the first ejector rod 11 and the second ejector rod 13, as shown in fig. 5, the first ejector rod 11 is circumferentially and uniformly distributed about the central axis of the casing 9, the first driving assembly drives the first ejector rod 11 to simultaneously move away from or close to the central axis of the casing 9, the outer circumference of the first ejector rod 11 increases when the first ejector rod 11 simultaneously moves away from the central axis of the casing 9, the outer circumference of the first ejector rod 11 decreases when the first ejector rod 11 simultaneously moves close to the central axis of the casing 9, as shown in fig. 6, the second driving assembly drives the second ejector rod 13 to simultaneously move towards or away from the central axis of the casing 9, the inner circumference of the second ejector rod 13 gradually decreases when the second ejector rod 13 simultaneously moves away, the inner edge of the second ejector rod 13 is gradually increased along the circumference, the first ejector rod 11 of each inner support assembly is driven by the first driving assembly to simultaneously keep away from the central shaft of the sleeve 9 until one end, away from the central shaft of the sleeve 9, of the first ejector rod 11 abuts against the inner wall of the tetrafluoro pipe, the first ejector rod 11 abuts against the inner side of the tetrafluoro pipe, the second ejector rod 13 is driven by the second driving assembly to simultaneously get close to the central shaft of the sleeve 9 until one end, close to the central shaft of the sleeve 9, of the second ejector rod 13 abuts against the outer wall of the tetrafluoro pipe, the cylinder 18 drives the cutter 17 to move downwards, the cutter 17 moves downwards to cut the tetrafluoro pipe, the position of the cutter 17 is close to the annular seat 14, the second ejector rod 13 on the annular seat 14 clamps the cutting part of the tetrafluoro pipe externally, the first ejector rod 11 of the inner support assembly at the rightmost end of the sleeve 9 abuts against the, the inner wall and the outer wall of the tetrafluoride pipe are uniformly limited, so that the stress deformation of a cutting opening of the tetrafluoride pipe is avoided in the downward cutting process of the cutter 17, in addition, the sleeve 9 is provided with a plurality of inner support assemblies, when the tetrafluoride pipe is sleeved on the sleeve 9, the inner part of the tetrafluoride pipe is tightly propped by the ejector rods 11 of the inner support assemblies together, so that the tetrafluoride pipe is parallel to the sleeve 9, further, when the cutter 17 is used for cutting, the end surface of the tetrafluoride pipe is parallel to the cross section of the tetrafluoride pipe and cannot incline, the cutting device adopts the ejector rods 11 and the ejector rod 13 to uniformly clamp the inner wall and the outer wall of the tetrafluoride pipe respectively, the tetrafluoride pipe is prevented from being deformed by external force in the cutting process, the circumference size formed by the ejector rods 11 and the ejector rod 13 is respectively adjusted by the driving assembly I and the driving assembly II, so that the tetrafluoride pipe with different diameters is suitable for, the practicability is strong.
In some optional embodiments, as shown in fig. 3 and 4, the first driving assembly includes a plurality of supporting seats 22 disposed inside the casing 9, a draw bar 6 is disposed at the center of the supporting seat 22 in a sliding connection, the draw bar 6 penetrates through the support plate 5, the draw bar 6 coincides with the central axis of the casing 9, a collar 21 corresponding to the inner supporting assemblies one by one is disposed on the draw bar 6, a number of connecting rods 20 equal to the number of the first ejector rods 11 of a single inner supporting assembly are disposed on the collar 21, the connecting rods 20 are uniformly distributed around the central axis of the collar 21, one end of each connecting rod 20 is hinged to the collar 21, the other end is hinged to the first ejector rod 11, a bolt two 8 in threaded connection is disposed at the upper end of the support plate 5, the bottom of the bolt two 8 abuts against the surface of the draw bar 6, when the draw bar 6 is pulled towards the left, the draw bar 6 drives the collar 21 to move, when the collar 21 moves, the first, thereby make the outer circumference of following of ejector pin 11 reduce, make it press from both sides tightly to the tetrafluoro pipe of minor diameter, when pushing pull rod 6 towards the right, pull rod 6 drives lantern ring 21 and moves right, lantern ring 21 pushes ejector pin 11 towards sleeve pipe 9 outside through connecting rod 20, thereby make the outer circumference of following of ejector pin 11 increase, make it press from both sides tightly the tetrafluoro pipe of major diameter, adjust the position of ejector pin 11 through pull rod 6, the adjustment method is simple quick, and after adjusting, rotate bolt two 8, make its bottom compress tightly pull rod 6, guarantee that ejector pin 11 keeps motionless in cutting process.
In some alternative embodiments, as shown in fig. 7 and 8, the annular seat 14 is internally provided with an annular cavity, the second driving component comprises a rotating ring 23 arranged in the annular cavity, the second ejector rod 13 is positioned at the upper end of the rotating ring 23, the lower end surface of the second ejector rod is provided with gear teeth 24, the upper end surface of the rotating ring 23 is provided with a plane thread engaged with the gear teeth 24, one end of the annular seat 14 positioned on the rotating ring 23 is provided with an annular hole 25, the lower end of the rotating ring 23 is provided with a deflector rod 15, the deflector rod 15 penetrates through the annular hole 25, the deflector rod 15 is stirred to rotate along the annular hole 25, the deflector rod 15 drives the rotating ring 23 to rotate, when the rotating ring 23 rotates, the plane threads on the surface of the sleeve drive all the second ejector rods 13 to linearly move, and the moving direction of the second ejector rods 13 is controlled by controlling the rotating direction of the rotating ring 23, so that the second ejector rods 13 are close to or far away from the central shaft of the sleeve 9 at the same time.
In some optional embodiments, the end of the first ejector rod 11 away from the central axis of the sleeve 9 and the end of the second ejector rod 13 close to the central axis of the sleeve 9 are provided with rubber heads 10, and the first ejector rod 11 effectively protects the inner wall or the outer wall of the tetrafluoro tube when the inner wall of the tetrafluoro tube is pressed and the outer wall of the tetrafluoro tube is pressed by the second ejector rod 13.
In some optional embodiments, a slide rail 2 parallel to the sleeve 9 is further arranged on the bottom plate 1, a limit block 4 in sliding connection is arranged on the slide rail 2, a bolt 3 in threaded connection is arranged on the side face of the limit block 4, the bottom of the bolt 3 penetrates through the limit block 4 to be abutted against the side face of the slide rail 2, the bolt 3 is rotated to enable the bottom of the bolt 3 not to tightly press the limit block 4 on the slide rail 2, the slide rail 2 is moved, the distance between the end face of the slide rail 2 and the cutter 17 is the length of the cut tetrafluoro tube, the position of the limit block 4 is set as required, then the bolt 3 is rotated to enable the bottom of the bolt 3 to be abutted against the slide rail 2 to fix the position of the limit block 4, when the tetrafluoro sleeve is sleeved on the sleeve 9, one end of the tetrafluoro tube is aligned with the end face of the limit block 4, then the tetrafluoro tube is cut, so that the tetrafluoro, the cutting device can cut the tetrafluoro pipes with different required lengths, has a simple adjusting method, and further improves the cutting efficiency.
In some optional embodiments, the spring 19 is sleeved on the ejector rod 11, the spring 19 is located inside the sleeve 9, one end of the spring 19 is connected with the inner wall of the sleeve 9, the other end of the spring is fixed on the outer wall of the ejector rod 11, before the tetrafluoro tube is sleeved on the sleeve 9, the ejector rod 11 needs to be adjusted to a position with a smaller outer circumference to facilitate the sleeving of the tetrafluoro tube, when the ejector rod 11 moves away from the central axis of the sleeve 9, the spring 19 is stretched, after the cutting operation is completed, under the action of the spring 19, the ejector rod moves towards the central axis of the sleeve 9 again to enable the ejector rod 11 to return to the position with the smaller outer circumference to facilitate the sleeving of the tetrafluoro tube next time, and the adjusting step before the sleeving is omitted.
In some alternative embodiments, the left end of the pull rod 6 is provided with a pull ring 7, which facilitates pulling the pull rod 6.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of the invention, also combinations between technical features in the above embodiments or in different embodiments are possible, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (7)
1. The cutting device for the polytetrafluoroethylene lining of the chlorine pipe is characterized by comprising a bottom plate (1), wherein a support plate (5) is arranged at the left end of the bottom plate (1), a sleeve (9) extending to the right end of the bottom plate (1) is fixed on the right side of the support plate (5), a plurality of inner support assemblies are arranged from the end face of the right end of the sleeve (9) to the left end of the sleeve, each inner support assembly comprises a plurality of ejector rod I (11) uniformly distributed along the circumference of the central shaft of the sleeve (9), each ejector rod I (11) is parallel to the cross section of the sleeve (9), each ejector rod I (11) penetrates through the outer wall of the sleeve (9) and is in sliding connection with the sleeve (9), a driving assembly I used for driving each ejector rod I (11) to be close to or far away from the central shaft of the sleeve (9) simultaneously is further arranged inside the sleeve (9), a fixing frame (12) is arranged at the right end of the bottom, the center shaft coincidence of annular seat (14) and sleeve pipe (9), the interior support assembly of rightmost end is on same vertical face on annular seat (14) and sleeve pipe (9), annular seat (14) are on a parallel with ejector pin two (13) of its cross section along its centre of a circle circumference equipartition a plurality of, ejector pin two (13) and annular seat (14) sliding connection, be equipped with in annular seat (14) and be used for driving ejector pin two (13) and be close to simultaneously or keep away from the drive assembly two of the center shaft of annular seat (14), the right-hand member of bottom plate (1) still is equipped with support (16) of falling L shape, support (16) upper end is equipped with cylinder (18), the piston rod of cylinder (18) is vertical down and the lower extreme is equipped with cutter (17), cutter (17) terminal surface is close to annular seat (14).
2. The cutting device for the tetrafluoro inner liner of the chlorine introducing pipe according to claim 1, is characterized in that the driving component one comprises a plurality of supporting seats (22) arranged inside the sleeve (9), a pull rod (6) in sliding connection is arranged in the center of each supporting seat (22), the pull rod (6) penetrates through the supporting plate (5), the pull rod (6) is overlapped with the central axis of the sleeve (9), a sleeve ring (21) which corresponds to the inner supporting components one by one is arranged on each pull rod (6), the sleeve ring (21) is provided with connecting rods (20) which are the same as the number of the ejector rods one (11) of each inner supporting component, the connecting rods (20) are evenly distributed on the circumference of the central axis of the sleeve ring (21), one end of each connecting rod (20) is hinged with the sleeve ring (21), the other end of each connecting rod is hinged with the ejector rod one (11), the upper ends of the supporting plates (5) are provided, the bottom of the second bolt (8) is tightly abutted against the surface of the pull rod (6).
3. The cutting device for the polytetrafluoroethylene inner liner of the chlorine introducing pipe as claimed in claim 1, wherein an annular cavity is formed inside the annular seat (14), the second driving assembly comprises a rotating ring (23) arranged in the annular cavity, the second ejector rod (13) is located at the upper end of the rotating ring (23) and is provided with gear teeth (24) on the lower end face thereof, a planar thread meshed with the gear teeth (24) is arranged on the upper end face of the rotating ring (23), an annular hole (25) is formed in one end, located on the rotating ring (23), of the annular seat (14), a deflector rod (15) is arranged on the lower end of the rotating ring (23), and the deflector rod (15) penetrates through the annular hole (25).
4. The cutting device for the tetrafluoro inner liner of the chlorine introducing pipe is characterized in that one end of the first ejector rod (11) far away from the central shaft of the sleeve (9) and one end of the second ejector rod (13) close to the central shaft of the sleeve (9) are provided with rubber heads (10).
5. The cutting device for the polytetrafluoroethylene lining of the chlorine pipe according to claim 1, wherein a sliding rail (2) parallel to the sleeve (9) is further arranged on the bottom plate (1), a limiting block (4) in sliding connection is arranged on the sliding rail (2), a first bolt (3) in threaded connection is arranged on the side face of the limiting block (4), and the bottom of the first bolt (3) penetrates through the limiting block (4) and abuts against the side face of the sliding rail (2).
6. The cutting device for the tetrafluoro inner liner of the chlorine introducing pipe is characterized in that a spring (19) is sleeved on the ejector rod I (11), the spring (19) is located inside the sleeve (9), one end of the spring (19) is connected with the inner wall of the sleeve (9), and the other end of the spring is fixed on the outer wall of the ejector rod I (11).
7. The cutting device for the tetrafluoro inner liner of the chlorine pipe according to claim 2, characterized in that a pull ring (7) is provided at the left end of the pull rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976097.8U CN210139442U (en) | 2019-06-25 | 2019-06-25 | Cutting device of logical chlorine pipe tetrafluoro inside lining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976097.8U CN210139442U (en) | 2019-06-25 | 2019-06-25 | Cutting device of logical chlorine pipe tetrafluoro inside lining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210139442U true CN210139442U (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976097.8U Expired - Fee Related CN210139442U (en) | 2019-06-25 | 2019-06-25 | Cutting device of logical chlorine pipe tetrafluoro inside lining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210139442U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320681A (en) * | 2020-11-18 | 2021-02-05 | 中国人民解放军32181部队 | Guided missile hollow shell transport rack |
| CN117507026A (en) * | 2024-01-05 | 2024-02-06 | 希岸新材料(江苏)有限公司 | Polymer rubber tube product cutting device |
-
2019
- 2019-06-25 CN CN201920976097.8U patent/CN210139442U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112320681A (en) * | 2020-11-18 | 2021-02-05 | 中国人民解放军32181部队 | Guided missile hollow shell transport rack |
| CN117507026A (en) * | 2024-01-05 | 2024-02-06 | 希岸新材料(江苏)有限公司 | Polymer rubber tube product cutting device |
| CN117507026B (en) * | 2024-01-05 | 2024-03-15 | 希岸新材料(江苏)有限公司 | Polymer rubber tube product cutting device |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200313 Termination date: 20200625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |