CN205225177U - Laboratory is with leaking stoppage appearance system - Google Patents
Laboratory is with leaking stoppage appearance system Download PDFInfo
- Publication number
- CN205225177U CN205225177U CN201521026895.2U CN201521026895U CN205225177U CN 205225177 U CN205225177 U CN 205225177U CN 201521026895 U CN201521026895 U CN 201521026895U CN 205225177 U CN205225177 U CN 205225177U
- Authority
- CN
- China
- Prior art keywords
- end cover
- leak stopping
- laboratory
- stopping instrument
- cylinder
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000002002 slurry Substances 0.000 claims description 62
- 238000010079 rubber tapping Methods 0.000 claims description 4
- 238000005553 drilling Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 239000012530 fluid Substances 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 4
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 4
- 241001330002 Bambuseae Species 0.000 abstract 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 4
- 239000011425 bamboo Substances 0.000 abstract 4
- 239000011440 grout Substances 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 29
- 238000004088 simulation Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model relates to a laboratory is with leaking stoppage appearance system belongs to experimental inspection with drilling fluid or grout leaking stoppage equipment technical field. Leaking stoppage appearance host computer is including a thick liquid section of thick bamboo, the top of a thick liquid section of thick bamboo is provided with the upper end cover, the top of upper end cover is provided with the end connector, the top of going up the end connector is provided with gas source connection, the bottom of a thick liquid section of thick bamboo is provided with the bottom end cover, the bottom of a thick liquid section of thick bamboo with be provided with strip seam board between the top of bottom end cover, the bottom of bottom end cover is provided with the export, is provided with the ball valve in the export and connects. The specific structure of this laboratory is with leaking stoppage appearance system can be so that the volume and the volume of leaking stoppage appearance reduce, and the thick liquid is joined in marriage many times to experimental the need at every turn, material saving, and the experimental experimental thick liquid of a large amount of abandonments that can not produce accords with energy saving and emission reduction's requirement simultaneously.
Description
Technical field
The utility model relates to a kind of leak stopping instrument system, and more particularly, the utility model relates to a kind of use for laboratory leak stopping instrument system, belongs to experimental examination drilling fluid or cement paste leak stoppers technical field.
Background technology
Leak stopping instrument is the necessary equipment of drilling fluid or cement paste laboratory plugging test.It is that appraisal drilling liquid or cement paste are missed, the testing equipment of leak stopping product research, is also the inspection machine during drilling fluid or cement paste leak stopping product quality are checked.When selecting suitable loss circulation material, determine that the shut-off capacity of material to lost-circulation zone is very important, change with stratum because needing the bore hole size of shutoff, therefore must be selected the granularity of loss circulation material, this instrument is mainly used in helping re-establishing circulation or preventing leakage material used from evaluating, by using the aperture plate in a series of different size gap, can effectively simulate various Different Strata, to determine the volume of missing before the effect that shutoff is formed and shutoff are formed.The barrel capacity of existing leak stopping instrument is 4000mL, test required test slurry amount is large, and the slurry cup of the high speed agitator of test room is capacious also only has 1000mL, each test all needs repeatedly with slurry, this not only bothers, and waste material, the discarded test slurry amount simultaneously testing generation is also large, does not meet the requirement of energy-saving and emission-reduction.
It is CN103821475A that State Intellectual Property Office discloses a publication number in 2014.5.28, the invention that name is called " a kind of dynamic leak stopping instrument and use the dynamic blocking method of described dynamic leak stopping instrument ", a kind of dynamic leak stopping instrument of this disclosure of the invention and dynamically blocking method, relate to the indoor leak stopping field of oil and gas industry, can meet shaft bottom HTHP requirement and can the state of leakage at the bottom of more real simulation well.The present invention includes: the sealing agent cavity with upper cover, the upper open ports of described upper cover and sealing agent cavity is to seal and dismantled and assembled mode is connected and has to test and is pressed into mouth; There is the leakage cavity of upper shed; There is the driving cavity driving press-in mouth; There is tapered plug, piston and be fixedly connected on the link gear of the connecting rod between tapered plug and piston; What test pressure and driving for providing test request were pressed supplies pressure device; For enabling/stopping using the test pressure valve of test pressure; And for limiting the restriction choke of the speed applying test pressure.
It is CN204439610U that State Intellectual Property Office discloses a publication number in 2015.7.1, name is called the utility model of " leak stopping instrument ", this utility model discloses a kind of leak stopping instrument, it comprises main body slurry cup, upper top cover, lower top cover and simulation drop ply, and the middle part inwall that simulation drop ply is fixedly mounted on main body slurry cup is positioned at the top of the 3rd cannelure; The middle part inwall that the simulation upper surface of drop ply and main body starch cup forms leak stopping and starches cup; The upper surface of the lower surface of upper top cover, the second cannelure, leak stopping slurry cup surrounds the first container cavity; The lower surface of the upper surface of lower top cover, the 3rd cannelure, simulation drop ply forms the second container cavity.The utility model reasonable and compact in structure, easy to use, it can the shut-off capacity of various drilling fluid or leak stopping slurry or sealing agent, plugging effect, simulated formation bearing capacity and fracture pressure under fast monitored Different Strata temperature condition or under hot conditions in chemical laboratory, base or drilling team chemical laboratory; Volume is little, lightweight, be easy to carry, rational in infrastructure, scientific, workable, there is safe, laborsaving, easy, efficient feature.
It is CN204591207U that State Intellectual Property Office discloses a publication number in 2015.8.26, name is called the utility model of " a kind of portable flaw size adjustable type leak stopping instrument ", this utility model discloses a kind of portable flaw size adjustable type leak stopping instrument, comprise: cylinder body, end face is provided with air inlet port and gas outlet; Top board, extend into the inside of cylinder body from the end face of cylinder body; Upper spiral propeller, is connected with top board, stretches into the length of cylinder interior for adjusting top board; Lower platen, extend into the inside of cylinder body from the bottom surface of cylinder body, and relative with top board; Lower spiral propeller, is connected with lower platen, stretches into the length of cylinder interior for adjusting lower platen; Side guide, between top board and lower platen, for forming crack with top board, lower platen respectively; Side spiral propeller, one end is connected with side guide, and the other end passes from cylinder side wall; The length of cylinder interior is stretched into for adjusting side guide; Computer, is connected with upper spiral propeller, lower spiral propeller, side spiral propeller.Device volume is little, can arrange the man-made fracture of different size, achieves the evaluation of leak stopping slurry to different size fracture plugging effect.
Documents 1: structure is too complicated, is not easy to dismounting; Seal point is too many, easily leaks; Lack pressure relief device, there is potential safety hazard; Working service cost is high.
Documents 2: bottom employs valve rod and filter is received in condensation, leak stopping slurry very easily blocks valve rod on the one hand, cannot observe linear flow and drip on the other hand, more can not observe leakage situation at any time, there is potential safety hazard.
Documents 3: employ computer, and the vibration in most of laboratory, particularly field experiment room and dust are difficult to meet the demands; Working service cost is high.
Technical scheme in above-mentioned three documents all exists each test all to be needed repeatedly with slurry, and this not only bothers, and waste material, and the discarded test slurry amount simultaneously testing generation is also large, does not meet the requirement of energy-saving and emission-reduction.
Utility model content
The utility model be intended to solve prior art leak stopping instrument test at every turn all need repeatedly with slurry, test the problem that the discarded test slurry amount of generation is also large, provide a kind of use for laboratory leak stopping instrument system, this leak stopping instrument volume is little simultaneously, structure is simple, easy to use, lightweight, be easy to carry, leakage parameter under energy simulated determination different conditions, material can not be wasted, discarded test slurry amount, energy-saving and emission-reduction.
A kind of use for laboratory leak stopping instrument system, it is characterized in that: described leak stopping instrument system comprises source of the gas, leak stopping instrument main frame and manifold assembly, described leak stopping instrument main frame comprises slurry cylinder, the top of described slurry cylinder is provided with upper end cover, the top of described upper end cover is provided with end joint, the top of described upper end joint is provided with gas source connector, the bottom of described slurry cylinder is provided with bottom end cover, bar seam plate is provided with between the bottom of described slurry cylinder and the top of described bottom end cover, the bottom of described bottom end cover is provided with outlet, and outlet is provided with ball valve joint.
Source of the gas described in the utility model is gas cylinder, and described manifold assembly comprises pressure-regulating valve, pneumatic hose, crossover sub and atmospheric valve.
The top of gas cylinder described in the utility model is provided with bottle valve, the outlet of described bottle valve connects described pressure-regulating valve, described pressure-regulating valve connects described crossover sub by described pneumatic hose, described crossover sub is connected with described leak stopping instrument main frame by described gas source connector, described ball valve joint is connected with ball valve, and described ball valve underneath is equipped with liquid cylinder; Described pressure-regulating valve is provided with safety valve and pressure-regulating valve pressure meter, described crossover sub is provided with atmospheric valve and crossover sub pressure meter.
Upper end joint described in the utility model is provided with pressure tapping.
O RunddichtringO is provided with between upper end joint described in the utility model and described upper end cover, O RunddichtringO is provided with between the top of described upper end cover and described slurry cylinder, the bottom of described slurry cylinder and described bar stitch between plate and are provided with O RunddichtringO, are provided with O RunddichtringO between described bar seam plate and described bottom end cover.
Be connected and fixed by upper fastening bolt between the top of upper end cover described in the utility model and described slurry cylinder, be connected and fixed by lower fastening bolt between the bottom of described slurry cylinder and described bottom end cover.
The width of bar seam plate described in the utility model is 1mm, 2mm, 3mm, 4mm or 5mm, and thickness is 3mm, 10mm, 20mm, 30mm or 50mm.
Slurry cylinder described in the utility model is of a size of: internal diameter 55mm, volume 500mL.
The Advantageous Effects that the utility model brings:
1, the utility model solves prior art leak stopping instrument and tests at every turn and all need repeatedly with slurry, tests the problem that the discarded test slurry amount of generation is also large simultaneously, provides a kind of use for laboratory leak stopping instrument system.The specific structure of this use for laboratory leak stopping instrument system can make the volume of leak stopping instrument and volume reduce, and each test does not need repeatedly with slurry, saves material, and test simultaneously can not produce a large amount of discarded test slurries, meets the requirement of energy-saving and emission-reduction.
2, the utility model is preferred, defines source of the gas, the composition of manifold assembly and connected mode.This specific composition and connected mode can be avoided producing danger, and can need the Device-General of manifold assembly with other.
3, the utility model is preferred, defines width and the thickness of bar seam plate, can greatly reduce tested number.
4, the utility model is preferred, defines the size of slurry cylinder, is easy to the preparation of laboratory common apparatus and maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of leak stopping instrument main frame in the utility model use for laboratory leak stopping instrument system;
Fig. 2 is the connection diagram of the utility model use for laboratory leak stopping instrument system.
Reference numeral: 1 is slurry cylinder, 2 is upper end cover, 3 is upper end joint, 4 is gas source connector, 5 bottom end covers, 6 is bar seam plate, 7 is ball valve joint, 8 is gas cylinder, 9 is pressure-regulating valve, 10 is pneumatic hose, 11 is crossover sub, 12 is atmospheric valve, 13 is ball valve, 14 is liquid cylinder, 15 is bottle valve, 16 is safety valve, 17 is pressure-regulating valve pressure meter, 18 is crossover sub pressure meter, 19 is pressure tapping, 20 is upper fastening bolt, 21 is lower fastening bolt, 22 is leak stopping instrument main frame.
Detailed description of the invention
embodiment 1
A kind of use for laboratory leak stopping instrument system, it is characterized in that: described leak stopping instrument system comprises source of the gas, leak stopping instrument main frame 22 and manifold assembly, described leak stopping instrument main frame comprises slurry cylinder 1, the top of described slurry cylinder 1 is provided with upper end cover 2, the top of described upper end cover 2 is provided with end joint 3, the top of described upper end joint 3 is provided with gas source connector 4, the bottom of described slurry cylinder 1 is provided with bottom end cover 5, bar seam plate 6 is provided with between the bottom of described slurry cylinder 1 and the top of described bottom end cover 5, the bottom of described bottom end cover 5 is provided with outlet, outlet is provided with ball valve joint 7.
embodiment 2
A kind of use for laboratory leak stopping instrument system, it is characterized in that: described leak stopping instrument system comprises source of the gas, leak stopping instrument main frame 22 and manifold assembly, described leak stopping instrument main frame comprises slurry cylinder 1, the top of described slurry cylinder 1 is provided with upper end cover 2, the top of described upper end cover 2 is provided with end joint 3, the top of described upper end joint 3 is provided with gas source connector 4, the bottom of described slurry cylinder 1 is provided with bottom end cover 5, bar seam plate 6 is provided with between the bottom of described slurry cylinder 1 and the top of described bottom end cover 5, the bottom of described bottom end cover 5 is provided with outlet, outlet is provided with ball valve joint 7.
Described source of the gas is gas cylinder 8, and described manifold assembly comprises pressure-regulating valve 9, pneumatic hose 10, crossover sub 11 and atmospheric valve 12.
The top of described gas cylinder 8 is provided with bottle valve 15, the outlet of described bottle valve 15 connects described pressure-regulating valve 9, described pressure-regulating valve 9 connects described crossover sub 11 by described pneumatic hose 10, described crossover sub 11 is connected with described leak stopping instrument main frame 22 by described gas source connector 4, described ball valve joint 7 is connected with ball valve 13, and described ball valve 13 underneath is equipped with liquid cylinder 14; Described pressure-regulating valve 9 is provided with safety valve 16 and pressure-regulating valve pressure meter 17, described crossover sub 11 is provided with atmospheric valve 12 and crossover sub pressure meter 18.
embodiment 3
A kind of use for laboratory leak stopping instrument system, it is characterized in that: described leak stopping instrument system comprises source of the gas, leak stopping instrument main frame 22 and manifold assembly, described leak stopping instrument main frame comprises slurry cylinder 1, the top of described slurry cylinder 1 is provided with upper end cover 2, the top of described upper end cover 2 is provided with end joint 3, the top of described upper end joint 3 is provided with gas source connector 4, the bottom of described slurry cylinder 1 is provided with bottom end cover 5, bar seam plate 6 is provided with between the bottom of described slurry cylinder 1 and the top of described bottom end cover 5, the bottom of described bottom end cover 5 is provided with outlet, outlet is provided with ball valve joint 7.
Described upper end joint 3 is provided with pressure tapping 19.
O RunddichtringO is provided with between described upper end joint 3 and described upper end cover 2, O RunddichtringO is provided with between the top of described upper end cover 2 and described slurry cylinder 1, the bottom of described slurry cylinder 1 and described bar stitch between plate 6 and are provided with O RunddichtringO, are provided with O RunddichtringO between described bar seam plate 6 and described bottom end cover 5.
Be connected and fixed by upper fastening bolt 20 between the top of described upper end cover 2 and described slurry cylinder 1, be connected and fixed by lower fastening bolt 21 between the bottom of described slurry cylinder 1 and described bottom end cover 5.
The width of described bar seam plate 6 is 1mm, 2mm, 3mm, 4mm or 5mm, and thickness is 3mm, 10mm, 20mm, 30mm or 50mm.
Described slurry cylinder 1 is of a size of: internal diameter 55mm, volume 500mL.
embodiment 4
Stood upside down by slurry cylinder 1, put into O RunddichtringO, bar seam plate 6 successively, cover lower cover component, first-class connection trip bolt, puts into after upset on support, closes ball valve 13, the 400mL prepared is tested slurry and pours in slurry cylinder 1.Build cover assembly, first-class connection trip bolt, connect pressurization manifold assembly, be forced into 0.5MPa; Liquid cylinder 14 is placed in below outlet; Slowly open ball valve 13, collect the test slurry leaked out; Be forced into 1MPa, maintain after 5min, then by boost in pressure to 2MPa, after maintaining 5min, be according to said method forced into 6MPa, maintain 5min, pressure is unchanged, namely thinks bearing capacity >=6MPa.Close source of the gas, slowly open atmospheric valve 12 and discharge pressure in main frame, take off pressurization manifold assembly and be connected trip bolt with upper cover, take off cover assembly, pour out test slurry remaining in slurry cylinder 1, take off lower cover component, bar seam plate 6, and the parts such as clear pulp-washing cylinder 1, lower cover component, bar seam plate 6.
Claims (8)
1. a use for laboratory leak stopping instrument system, it is characterized in that: described leak stopping instrument system comprises source of the gas, leak stopping instrument main frame (22) and manifold assembly, described leak stopping instrument main frame comprises slurry cylinder (1), the top of described slurry cylinder (1) is provided with upper end cover (2), the top of described upper end cover (2) is provided with end joint (3), the top of described upper end joint (3) is provided with gas source connector (4), the bottom of described slurry cylinder (1) is provided with bottom end cover (5), bar seam plate (6) is provided with between the bottom of described slurry cylinder (1) and the top of described bottom end cover (5), the bottom of described bottom end cover (5) is provided with outlet, outlet is provided with ball valve joint (7).
2. a kind of use for laboratory leak stopping instrument system according to claim 1, it is characterized in that: described source of the gas is gas cylinder (8), described manifold assembly comprises pressure-regulating valve (9), pneumatic hose (10), crossover sub (11) and atmospheric valve (12).
3. a kind of use for laboratory leak stopping instrument system according to claim 2, it is characterized in that: the top of described gas cylinder (8) is provided with bottle valve (15), the outlet of described bottle valve (15) connects described pressure-regulating valve (9), described pressure-regulating valve (9) connects described crossover sub (11) by described pneumatic hose (10), described crossover sub (11) is connected with described leak stopping instrument main frame (22) by described gas source connector (4), described ball valve joint (7) is connected with ball valve (13), described ball valve (13) underneath is equipped with liquid cylinder (14), described pressure-regulating valve (9) is provided with safety valve (16) and pressure-regulating valve pressure meter (17), described crossover sub (11) is provided with atmospheric valve (12) and crossover sub pressure meter (18).
4. a kind of use for laboratory leak stopping instrument system according to claim 1, is characterized in that: described upper end joint (3) is provided with pressure tapping (19).
5. a kind of use for laboratory leak stopping instrument system according to claim 1, it is characterized in that: between described upper end joint (3) and described upper end cover (2), be provided with O RunddichtringO, O RunddichtringO is provided with between the top of described upper end cover (2) and described slurry cylinder (1), the bottom of described slurry cylinder (1) and described bar stitch between plate (6) and are provided with O RunddichtringO, are provided with O RunddichtringO between described bar seam plate (6) and described bottom end cover (5).
6. a kind of use for laboratory leak stopping instrument system according to claim 1, it is characterized in that: be connected and fixed by upper fastening bolt (20) between the top of described upper end cover (2) and described slurry cylinder (1), be connected and fixed by lower fastening bolt (21) between the bottom of described slurry cylinder (1) and described bottom end cover (5).
7. a kind of use for laboratory leak stopping instrument system according to claim 1, is characterized in that: the width of described bar seam plate (6) is 1mm, 2mm, 3mm, 4mm or 5mm, and thickness is 3mm, 10mm, 20mm, 30mm or 50mm.
8. a kind of use for laboratory leak stopping instrument system according to claim 1 or 7, is characterized in that: described slurry cylinder (1) is of a size of: internal diameter 55mm, volume 500mL.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026895.2U CN205225177U (en) | 2015-12-10 | 2015-12-10 | Laboratory is with leaking stoppage appearance system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521026895.2U CN205225177U (en) | 2015-12-10 | 2015-12-10 | Laboratory is with leaking stoppage appearance system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205225177U true CN205225177U (en) | 2016-05-11 |
Family
ID=55900251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521026895.2U Expired - Fee Related CN205225177U (en) | 2015-12-10 | 2015-12-10 | Laboratory is with leaking stoppage appearance system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205225177U (en) |
-
2015
- 2015-12-10 CN CN201521026895.2U patent/CN205225177U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1731176A (en) | Intelligent high-temperature high-voltage experimental instrument for dynamic leak stopping evaluation | |
| CN2849724Y (en) | Intelligent high temp. high pressure dynamic leaking stoppage evaluating tester | |
| CN204877451U (en) | Annular core well drilling leaking stoppage simulation evaluation device | |
| CN103244112A (en) | Method and device for testing flow conductivity of fracture network of shale | |
| CN103913279A (en) | Method and device for testing leakproofness of oil cooler by mixing helium and air | |
| CN205139114U (en) | Smooth and coarse crack wall leaking stoppage test device of simulation | |
| CN205483433U (en) | Hot oil line repaired mouth seals test device | |
| CN112986498A (en) | Dynamic leakage stoppage evaluation device and method | |
| CN202731900U (en) | Simulating loss device | |
| CN203101363U (en) | Experimental device for simulating annulus plugging agent plugging repair of casing damage well | |
| CN205424078U (en) | Quick detecting system of axial deformation of butterfly valve valve plate | |
| CN111474326A (en) | Karst grouting simulation experiment device and karst grouting visual simulation experiment method based on 3D printing | |
| CN204694429U (en) | Valve leak detection test board | |
| CN205225177U (en) | Laboratory is with leaking stoppage appearance system | |
| CN2866805Y (en) | Drilling well leakage plugging simulating experimental instrument | |
| CN110857943A (en) | Experimental device for can be used to induced crack leaking stoppage simulation evaluation | |
| CN112480885A (en) | Bridging synergist for drilling fluid | |
| CN202793715U (en) | Easy and convenient valve pressure testing device | |
| CN207866433U (en) | A kind of device of detection feed blocking and gas leakage | |
| CN115931673A (en) | Cement stone maintenance device for simulating high carbon dioxide content underground working condition and testing method | |
| CN214585242U (en) | Novel dynamic leaking stoppage evaluation device | |
| CN202631200U (en) | Air-tightness inspection equipment | |
| CN201819780U (en) | Pressure detection equipment for container | |
| CN207007443U (en) | A kind of system leaked hunting using gas to mould | |
| CN207540745U (en) | Air tightness of pipe fitting leaks hunting platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |