CN217726632U - Medicament infiltration injection machine for soil remediation - Google Patents
Medicament infiltration injection machine for soil remediation Download PDFInfo
- Publication number
- CN217726632U CN217726632U CN202221299471.3U CN202221299471U CN217726632U CN 217726632 U CN217726632 U CN 217726632U CN 202221299471 U CN202221299471 U CN 202221299471U CN 217726632 U CN217726632 U CN 217726632U
- Authority
- CN
- China
- Prior art keywords
- fixed mounting
- wall
- soil remediation
- conveyer pipe
- bearing box
- 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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 32
- 239000007924 injection Substances 0.000 title claims abstract description 32
- 239000002689 soil Substances 0.000 title claims abstract description 28
- 239000003814 drug Substances 0.000 title claims abstract description 14
- 230000008595 infiltration Effects 0.000 title claims abstract description 9
- 238000001764 infiltration Methods 0.000 title claims abstract description 9
- 238000005067 remediation Methods 0.000 title claims description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 10
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 10
- 241001330002 Bambuseae Species 0.000 claims abstract description 10
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 10
- 239000011425 bamboo Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims description 28
- 230000000694 effects Effects 0.000 claims description 10
- 230000003204 osmotic effect Effects 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 229940079593 drug Drugs 0.000 claims 4
- 238000001802 infusion Methods 0.000 claims 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 48
- 238000001125 extrusion Methods 0.000 abstract description 17
- 238000007789 sealing Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010170 biological method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Landscapes
- Catching Or Destruction (AREA)
Abstract
The utility model discloses a medicament infiltration injection machine for soil restoration belongs to the soil restoration field, a medicament infiltration injection machine for soil restoration, including the injection pipe, the top fixed mounting of injection pipe has the bearing box, the equal fixed mounting in both sides of bearing box has the handle, the outer wall fixed mounting of bearing box has the side conveyer pipe, the utility model discloses in, the whole of ejector pin can contract to the inside of extending a section of thick bamboo for movable spring's outer wall can produce the extrusion with the bottom of lagging, makes movable spring can produce the power of bounce-back at the extruded in-process, causes extension rod and fixed plate can produce a reverse thrust to ground, causes the whole of injection pipe to move upwards, and is convenient for extract the injection pipe fast at the in-process of motion, avoids can consume the problem of plenty of time at the in-process of pulling out.
Description
Technical Field
The utility model relates to a soil remediation technical field, more specifically say, relate to a medicament infiltration injection machine for soil remediation.
Background
Soil remediation is a technical measure to restore normal function to contaminated soil. In the soil remediation industry, the existing soil remediation technologies can reach more than one hundred, and the common technologies also have more than ten, which can be roughly divided into three methods, namely physical, chemical and biological methods. Since the 80 s in the 20 th century, many countries in the world, especially developed countries, have established and developed polluted soil treatment and remediation plans, and thus an emerging soil remediation industry is formed.
The existing injection device is inserted into soil, and then the repaired liquid is injected into a position needing mixing operation, but the injection mode can not inject the liquid at any time, and a valve or a sealing plug also needs to be opened in the working process to inject the liquid into the position needing working, so that a large amount of time can be consumed in the working process, the working time is indirectly increased, and meanwhile, the existing device has the problem that a large amount of labor and time can be consumed in the process of pulling to the outside due to the fact that the existing device is inserted and connected too deeply in the upward extraction process.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims at providing a medicament infiltration injection machine for soil remediation aims at can expending a large amount of time at the in-process of work, and the indirect operating time that has increased has made the in-process of drawing upwards simultaneously can expend the problem of a large amount of strength and time at the in-process of drawing to the outside because the grafting is too dark.
In order to solve the above problem, the utility model adopts the following technical scheme:
the utility model provides a medicament infiltration injection machine for soil remediation, includes the injection pipeline, the top fixed mounting of injection pipeline has the bearing box, the equal fixed mounting in both sides of bearing box has the handle, the outer wall fixed mounting of bearing box has the side conveyer pipe, the top fixed mounting of side conveyer pipe has rubber gasbag, rubber gasbag's top fixed mounting has the stripper plate, the outer wall fixed mounting of stripper plate has the check valve, the inside fixed mounting of stripper plate has the support frame, the top outer wall fixed mounting of support frame has the handle, when the in-process of work needs continuous inside to the bearing box to pour into liquid into, only need hold the whole of handle to extrude downwards, and inside extrusion in-process utilizes rubber gasbag can introduce self with outside liquid, later the inside liquid that makes rubber gasbag can get into the side conveyer pipe through the extrusion again, later utilizes the inside that the side conveyer pipe can pour into the bearing box into to be convenient for pour into the medicament into, make work efficiency can be improved.
As a preferred scheme of the utility model, the cover chamber has been seted up to the inside of side conveyer pipe, the inside fixed mounting in cover chamber has the connecting tube, the inside fixed mounting of connecting tube has the fixed bolster, connecting spring has been cup jointed in the outer wall activity of fixed bolster, the closing plate has been cup jointed in the top activity of fixed bolster, the drainage mouth has been seted up to one side of connecting tube, the liquid outlet has been seted up to one side inside of side conveyer pipe, when the in-process at work need prevent the backward flow, only need through the closing plate can prevent its backward flow with the help of connecting spring produced the thrust of rebounding to be convenient for carry liquid at any time.
As a preferred scheme of the utility model, rubber air bag's bottom fixed mounting has the conveyer pipe, the outer wall of conveyer pipe and the inside fixed connection of connecting tube are through setting up the conveyer pipe for can install in the inside of connecting tube in the in-process rubber air bag's of work bottom, thereby be convenient for carry liquid, make the function do efficiency can be improved.
As a preferred scheme of the utility model, the standing groove has been seted up to the inside of handle, anti-skidding line has been seted up to the inside of standing groove, through setting up anti-skidding line for can increase frictional force at the in-process of work, be convenient for hold and take.
As a preferred scheme of the utility model, the connector has been seted up to the bottom of bearing the case, the inside of connector and extension section of thick bamboo top fixed connection are through setting up the connector for the top fixed mounting that can extend a section of thick bamboo can be in the bottom of bearing the case at the in-process connector of work, thereby just install and use.
As an optimized scheme of the utility model, the equal fixed mounting in bottom of bearing box has an extension section of thick bamboo, the inside movable mounting of an extension section of thick bamboo has the extension rod, the bottom fixed mounting of extension rod has the fixed plate, the top fixed mounting of extension rod has the stripper bar, movable spring has been cup jointed in the outer wall activity of stripper bar, the top fixed mounting of stripper bar has spacing lagging, the inside of an extension section of thick bamboo has been seted up and has been extended the chamber, the inside fixed mounting in extension chamber has the lagging, the looping has been seted up to the inside of lagging, the inside of looping is cup jointed with the outer wall activity of stripper bar, when the in-process at work needs its quick extraction, at this moment only need hold the whole of handle, and the in-process down-extrusion of holding, causes self can produce the reverse promotion of injection pipe to the power that can rebound, thereby be convenient for take.
Compared with the prior art, the utility model has the advantages of:
(1) The utility model discloses in, connecting tube's inside is because hydraulic effect, the outer wall that leads to the closing plate to lead to along the fixed bolster causes the extrusion to connecting spring, the closing plate can send at the in-process of downstream simultaneously, the in-process that leads to the closing plate of downstream can cause the extrusion with the connecting spring that the activity of fixed bolster outer wall cup jointed, and the extruded in-process makes connecting spring can produce the power of bounce-back, and the drainage mouth that leads to one side to set up at the in-process of work can be opened, can follow the inside liquid of connecting tube when opening and draw out, just stop extrusion rubber gasbag in the inside of the side conveyer pipe that liquid was introduced completely, make and add liquid at any time in the in-process of work, avoid causing the backward flow at the in-process of work, avoid opening valve or sealing plug at the in-process of work.
(2) The utility model discloses in, the whole of the stripper bar can contract to the inside of an extension section of thick bamboo for the outer wall of movable spring can produce the extrusion with the bottom of lagging, make movable spring can produce the power of bounce-back at the extruded in-process, cause extension bar and fixed plate can produce a reverse thrust to ground, cause the whole of injection pipeline to move upwards, and be convenient for extract the injection pipeline fast at the in-process of motion, avoid can consume the problem of a large amount of time at the in-process of choosing.
Drawings
Fig. 1 is a front view of the present invention;
FIG. 2 is a partial perspective view of the side conveying pipe of the present invention;
FIG. 3 is a perspective view of the extension rod of the present invention;
fig. 4 is an internal overall structure diagram of the extension tube of the present invention.
The reference numbers in the figures illustrate:
1. an injection pipe; 2. a carrying case; 3. a handle; 4. a lateral conveying pipe; 5. a rubber air bag; 6. a pressing plate; 7. a check valve; 8. a support frame; 9. a handle; 10. an extension cylinder; 11. an extension rod; 12. a fixing plate; 13. connecting a pipeline; 14. a fixed bracket; 15. a connecting spring; 16. a sealing plate; 17. sleeving a cavity; 18. a drainage port; 19. a liquid outlet; 20. an extrusion stem; 21. a movable spring; 22. a limiting sleeve plate; 23. an extension cavity; 24. sheathing the board; 25. and (5) looping.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Example (b):
referring to fig. 1-4, an osmotic injection machine for soil remediation agents,
the utility model provides a medicament infiltration injection machine for soil remediation, including injection pipeline 1, injection pipeline 1's top fixed mounting has carrier case 2, the equal fixed mounting in both sides of carrier case 2 has handle 3, the outer wall fixed mounting of carrier case 2 has side conveyer pipe 4, the top fixed mounting of side conveyer pipe 4 has rubber gasbag 5, the top fixed mounting of rubber gasbag 5 has stripper plate 6, the outer wall fixed mounting of stripper plate 6 has check valve 7, the inside fixed mounting of stripper plate 6 has support frame 8, the top outer wall fixed mounting of support frame 8 has handle 9.
In this embodiment, when liquid needs to be injected at any time in the working process, only the outer wall of the check valve 7 and the existing liquid injection mechanism need to be clamped with each other, then the outer wall of the grip 9 is held and is extruded downwards, and the support frame 8 can push the whole of the extrusion plate 6 to extrude downwards in the extrusion process, so that the rubber air bag 5 can deform, when the grip 9 is loosened, the rubber air bag 5 can reset, negative pressure can be formed in the rubber air bag 5 during resetting, the liquid can enter the rubber air bag 5 from the check valve 7 to be stored, then the whole of the grip 9 is extruded downwards, so that the liquid in the rubber air bag 5 enters the side conveying pipe 4 due to external pressure, and the liquid can be injected at any time in the working process.
Referring to fig. 2 specifically, a sleeve cavity 17 is formed inside the side conveying pipe 4, a connecting pipe 13 is fixedly mounted inside the sleeve cavity 17, a fixing support 14 is fixedly mounted inside the connecting pipe 13, a connecting spring 15 is movably sleeved on the outer wall of the fixing support 14, a sealing plate 16 is movably sleeved on the top of the fixing support 14, a drainage port 18 is formed in one side of the connecting pipe 13, and a liquid outlet 19 is formed inside one side of the side conveying pipe 4.
In this embodiment, when liquid enters the inside of the connecting pipe 13, due to the action of water pressure, the sealing plate 16 extrudes the connecting spring 15 along the outer wall of the fixing support 14, and meanwhile, the sealing plate 16 can be actuated in the downward movement process, the bottom of the sealing plate 16 can be extruded by the connecting spring 15 movably sleeved with the outer wall of the fixing support 14 in the downward movement process, and the connecting spring 15 can generate a rebounding force in the extrusion process, and the drainage port 18 formed on one side can be opened in the working process, so that the liquid inside the connecting pipe 13 can be drawn out when the sealing plate is opened, when the liquid is completely introduced into the inside of the side conveying pipe 4, the rubber air bag 5 stops being extruded, when the extrusion is stopped, the water pressure inside the connecting pipe 13 can be reduced, when the connecting spring 15 generates the rebounding force, the sealing plate 16 can be pushed upwards by the connecting spring 15, the top of the drainage port 18 can be sealed, backflow can be avoided in the working process, and as the rubber air bag 5 is continuously extruded, the newly injected liquid can push the originally stored in the inside of the side conveying pipe 4 to be injected into the inside of the box 2 from the inside of the side conveying pipe 19, and can play a role of repairing soil.
Specifically referring to fig. 2, a delivery pipe is fixedly installed at the bottom of the rubber air bag 5, and the outer wall of the delivery pipe is fixedly connected with the inside of the connecting pipeline 13.
In this embodiment, the conveying tube fixedly installed at the bottom of the rubber air bag 5 is utilized, so that the liquid absorbed in the rubber air bag 5 can be injected to the position needing to work through the conveying tube in the working process.
Specifically, referring to fig. 1, a placing groove is formed inside the handle 3, and anti-slip threads are formed inside the placing groove.
In this embodiment, through setting up the standing groove for can hold the outer wall of handle 3 at the in-process of work, thereby be convenient for upwards pull out and insert downwards, make work efficiency can be improved.
Specifically, referring to fig. 1, a connection port is formed at the bottom of the carrying box 2, and the inside of the connection port is fixedly connected with the top of the extending cylinder 10.
In this embodiment, the connection port is provided to enable the connection port to fixedly mount the top of the extension cylinder 10 on the bottom of the carrying case 2 during operation, thereby facilitating operation and use.
Referring to fig. 4 and 3 specifically, the bottom of the carrying box 2 is fixedly provided with an extension tube 10, the inside movable mounting of the extension tube 10 is provided with an extension rod 11, the bottom of the extension rod 11 is fixedly provided with a fixing plate 12, the top of the extension rod 11 is fixedly provided with an extrusion rod 20, the outer wall of the extrusion rod 20 is movably sleeved with a movable spring 21, the top of the extrusion rod 20 is fixedly provided with a limiting sleeve plate 22, the inside of the extension tube 10 is provided with an extension cavity 23, the inside of the extension cavity 23 is fixedly provided with a sleeve plate 24, the inside of the sleeve plate 24 is provided with a sleeve opening 25, and the inside of the sleeve opening 25 is movably sleeved with the outer wall of the extrusion rod 20.
In this embodiment, when the carrying case 2 cannot be quickly pulled out in the working process, the outer wall of the handle 3 is held, the whole carrying case 2 is pressed downward in the holding process, the outer wall of the fixing plate 12 is in contact with the ground in the re-pressing process, the whole extending rod 11 contracts towards the inside of the extending cylinder 10 when in contact, the whole extruding rod 20 contracts towards the inside of the extending cylinder 10 in the contracting process, so that the outer wall of the movable spring 21 is pressed against the bottom of the sleeve plate 24, the movable spring 21 generates a rebounding force in the pressing process, so that the extending rod 11 and the fixing plate 12 generate a reverse thrust force on the ground, the whole injecting pipeline 1 moves upward, and the injecting pipeline 1 is conveniently and quickly pulled out in the moving process.
The working principle is as follows: when needing to carry out soil restoration at the in-process of work, the whole joint of injection tube 1 at this moment is in the inside of soil, later with check valve 7's outer wall and injection tube interconnect, hold the outer wall of handle 9 at that time, extrude it downwards, and extruded in-process makes rubber gasbag 5 can be continuous pours into the inside of side conveyer pipe 4 into with liquid into, make the inside liquid that bears of side conveyer pipe 4 can carry and get into the inside of injection tube 1, at that time injection tube 1 can discharge inside liquid, when needing to extract injection tube 1 fast at the in-process of work, only need extrude handle 3 downwards, and the extruded in-process makes extension rod 11 and fixed plate 12 can produce reverse thrust, make can be effectual will inject tube 1 and drop from the soil at work, thereby be convenient for take and use.
The above are only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be covered by the present invention in the technical scope of the present invention, and the technical solution and the modified concept of the present invention should be replaced or changed equally.
Claims (6)
1. The utility model provides a medicament infiltration injection machine for soil remediation, includes injection pipeline (1), the top fixed mounting of injection pipeline (1) has bearing box (2), the equal fixed mounting in both sides of bearing box (2) has handle (3), its characterized in that: the outer wall fixed mounting who bears case (2) has side conveyer pipe (4), the top fixed mounting of side conveyer pipe (4) has rubber gasbag (5), the top fixed mounting of rubber gasbag (5) has stripper plate (6), the outer wall fixed mounting of stripper plate (6) has check valve (7), the inside fixed mounting of stripper plate (6) has support frame (8), the top outer wall fixed mounting of support frame (8) has handle (9).
2. The soil remediation drug osmotic injector of claim 1, wherein: the equal fixed mounting in bottom of bearing box (2) has an extension section of thick bamboo (10), the inside movable mounting that extends a section of thick bamboo (10) has extension rod (11), the bottom fixed mounting of extension rod (11) has fixed plate (12), the top fixed mounting of extension rod (11) has squeeze stem (20), movable spring (21) have been cup jointed in the outer wall activity of squeeze stem (20), the top fixed mounting of squeeze stem (20) has spacing lagging (22), the inside of extending a section of thick bamboo (10) has been seted up and has been extended chamber (23), the inside fixed mounting that extends chamber (23) has lagging (24), cuff (25) have been seted up to the inside of lagging (24), the inside of cuff (25) and the outer wall activity of squeeze stem (20) cup joint.
3. The soil remediation drug osmotic injector of claim 1, wherein: set chamber (17) have been seted up to the inside of side conveyer pipe (4), the inside fixed mounting of set chamber (17) has connecting tube (13), the inside fixed mounting of connecting tube (13) has fixed bolster (14), coupling spring (15) have been cup jointed in the outer wall activity of fixed bolster (14), closing plate (16) have been cup jointed in the top activity of fixed bolster (14), drainage mouth (18) have been seted up to one side of connecting tube (13), liquid outlet (19) have been seted up to one side inside of side conveyer pipe (4).
4. The soil remediation agent osmotic infusion machine of claim 2, wherein: the bottom of the bearing box (2) is provided with a connector, and the inside of the connector is fixedly connected with the top of the extension cylinder (10).
5. The soil remediation drug osmotic infusion machine of claim 3, wherein: the bottom fixed mounting of rubber air bag (5) has the conveyer pipe, the inside fixed connection of the outer wall of conveyer pipe and connecting tube (13).
6. The soil remediation drug osmotic injector of claim 1, wherein: the handle (3) is internally provided with a placing groove, and the placing groove is internally provided with anti-skid grains.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221299471.3U CN217726632U (en) | 2022-05-27 | 2022-05-27 | Medicament infiltration injection machine for soil remediation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221299471.3U CN217726632U (en) | 2022-05-27 | 2022-05-27 | Medicament infiltration injection machine for soil remediation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217726632U true CN217726632U (en) | 2022-11-04 |
Family
ID=83838497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221299471.3U Expired - Fee Related CN217726632U (en) | 2022-05-27 | 2022-05-27 | Medicament infiltration injection machine for soil remediation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217726632U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116689476A (en) * | 2023-06-06 | 2023-09-05 | 江苏隆昌化工有限公司 | Infiltration device is used in soil remediation agent production |
-
2022
- 2022-05-27 CN CN202221299471.3U patent/CN217726632U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116689476A (en) * | 2023-06-06 | 2023-09-05 | 江苏隆昌化工有限公司 | Infiltration device is used in soil remediation agent production |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN217726632U (en) | Medicament infiltration injection machine for soil remediation | |
CN101886593A (en) | Quick-start oil circuit system for digital portable generator | |
CN105156064A (en) | Well-washing type step-by-step deblocking packer | |
JP2018083188A (en) | Air injection device for cleaning construction vehicle | |
CN216276963U (en) | Grouting non-return device | |
CN203002716U (en) | High level concrete pumping pipeline cleaning assembly | |
CN114054450B (en) | Independent high pressure cleaning equipment of nucleic acid extraction test tube | |
CN214402787U (en) | Grouting non-return device and grouting machine | |
CN213465531U (en) | Flushable ostomy bag | |
CN115234546A (en) | Hydraulic part platform position quick change device | |
CN207750183U (en) | A kind of hand-operated foot-pedal dual-purpose hydraulic pump | |
CN201406130Y (en) | Liquid spray nozzle | |
CN209040805U (en) | Presetting system ceramic throttling device | |
CN210508412U (en) | Automatic sleeve grout defect prosthetic devices of accuse volume | |
CN2809262Y (en) | Vacuumizer with double drums | |
CN104587503A (en) | Soil disinfection device | |
CN215844758U (en) | High-pressure hot water constant-pressure constant-flow liquid supply device | |
CN213554103U (en) | Endocrine drainage device | |
CN215482868U (en) | Grouting, reinforcing and grouting device for deep soft soil foundation | |
CN220714557U (en) | Catheter with inflatable valve | |
CN217806272U (en) | Pump head gland remove device | |
CN217447596U (en) | Quick-release water tank for cleaning robot | |
CN201794694U (en) | Quick starting oil way system of digital portable generator | |
CN220142296U (en) | Expansion type vaginal douche device | |
CN217027052U (en) | Leakage-proof device of grouting equipment for building construction |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20221104 |
|
CF01 | Termination of patent right due to non-payment of annual fee |