CN203847992U - Universal combined self-sealing sulfur hexafluoride gas filling pipeline - Google Patents
Universal combined self-sealing sulfur hexafluoride gas filling pipeline Download PDFInfo
- Publication number
- CN203847992U CN203847992U CN201420276727.8U CN201420276727U CN203847992U CN 203847992 U CN203847992 U CN 203847992U CN 201420276727 U CN201420276727 U CN 201420276727U CN 203847992 U CN203847992 U CN 203847992U
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- CN
- China
- Prior art keywords
- self
- joint
- styled
- sealing joint
- type
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- 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.)
- Withdrawn - After Issue
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 86
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 56
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 41
- 239000004809 Teflon Substances 0.000 claims abstract description 27
- 229920006362 Teflon® Polymers 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 17
- 239000010959 steel Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 6
- 230000009467 reduction Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 51
- 239000010985 leather Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910016509 CuF 2 Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000035900 sweating Effects 0.000 description 1
- 231100000167 toxic agent Toxicity 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a universal combined self-sealing sulfur hexafluoride gas filling pipeline. The pipeline comprises a universal self-sealing joint, a needle valve body post self-sealing pipeline, a needle valve body, a needle valve body forestage self-sealing pipeline and a gas source connecting pipeline which can be sequentially connected, wherein the universal self-sealing joint comprises a universal joint nut connected with a sulfur hexafluoride equipment joint and a first female self-sealing joint; the needle valve body post self-sealing pipeline comprises a first male joint, a Teflon pipe and a second female self-sealing joint which are sequentially connected; the needle valve body comprises a second male joint, a third male joint and a flow regulating valve; the needle valve body forestage self-sealing pipeline comprises a third female self-sealing joint, a Teflon pipe and a fourth male self-sealing joint which are sequentially connected; the gas source connecting pipeline comprises a fourth female self-sealing joint, a Teflon pipe, a movable connecting nut and a steel bottle.
Description
Technical field
The utility model relates to the self-styled sulfur hexafluoride gas gas ducting of a kind of general-purpose combined type.
Background technique
In recent years, the raising with technical equipment that develops rapidly along with China's power industry, sulfur hexafluoride electrical equipment puts into operation in a large number, sulfur hexafluoride gas is with insulation and the arc extinction performance of its excellence, in electric power system, be used widely, almost become the unique insulation and the arc-extinguishing medium that in middle pressure, high pressure and ultra-high pressure switch, use.At present, in China 63～750KV electric power system, the application of sulfur hexafluoride gas-insulating circuit breaker and sulfur hexafluoride gas-insulating electric substation (GIS) has been quite extensive, therefore the day-to-day supervision work of sulfur hexafluoride electrical equipment is become more and more important.Because sulphur hexafluoride equipment is various and through long-play, often have may occurring of gas leakage, this just need to regularly carry out tonifying Qi.During tonifying Qi operation, there is following problem: 1), toward the common entrained air of gas that is filled with, fills in equipment, this has a strong impact on sulfur hexafluoride gas quality index.2) length of tonifying Qi pipeline is wayward, and some places need long pipeline, carry very inconvenient, and heavy, because tonifying Qi pipeline is not self-styled, the sulfur hexafluoride gas after tonifying Qi completes in pipeline can only be emptying, be contaminated air, wasted again sulfur hexafluoride gas, inadvisable.3) inaccurate to the control of flow and pressure of sulfur hexafluoride gas during tonifying Qi, sometimes, the status parameters such as pressure for the treatment of the sulfur hexafluoride gas in tonifying Qi equipment also inconvenience learn, this brings puzzlement to tonifying Qi process.4) at present conventional tonifying Qi pipeline is not low temperature resistant, is not with protection structure yet, and the common subzero several years are just not easy bending, more inconvenient in pipeline connection procedure and measuring phase, and out of doors in the more severe situation of environment, pipeline is easily damaged simultaneously.5) the domestic tonifying Qi flow process shortage standardization to sulfur hexafluoride gas-filled equipment at present, its material of the gas ducting of daily employing, structure all do not form standard, are mostly own product.Such as inflation leather hose adopts the lower oxygen leather hose of price conventionally, replace, shortcoming be easily aging, moisture content is high; Again such as conventionally using galvanized wire colligation with gas-charging connection connection part, shortcoming be easily come off, sealing is poor etc.
Gas leakage after the installation of sulfur hexafluoride gas-filled equipment, the assembling after Disintegration overhaul, sealability reduce etc. all needs to fill in time tonifying Qi; Sulphur hexafluoride equipment must strictly be controlled moisture content: moisture severe overweight will endanger insulation, affect arc extinguishing, and produce toxic substance, reason is as follows: when (1) water content is higher, be easy at insulating material surface sweating, cause insulation to decline, flashover breakdown occurs when serious.The gas that water content is higher is decomposed under arcing, and sulfur hexafluoride gas and moisture produce multiple hydrolysis reaction, produces W0
3, CuF
2, WOF
4etc. Powdered insulating material, CuF wherein
2there is strong hygroscopicity, be attached to insulating surface, make edge flashing voltage drop, HF, H
2s0
3deng thering is severe corrosive, solid organic material and metal are had to corrosive action, shortened life of equipment.(2) the higher gas of water content produces a lot of compounds under arcing, affects the purity of sulfur hexafluoride gas, reduces sulfur hexafluoride gas medium and restores quantity, also has some materials to hinder analyte reduction, and arc extinguishing ability will be influenced.(3) gas that water content is higher resolves into compound W0 under arcing
2, SOF
4, S0
2f
2, SOF
2, S0
2deng, these compounds are poisonous and harmful substance, and SOF
2, S0
2content can increase with moisture, directly threaten health of human body, therefore must keeping under strict supervision close inspection and control to the water content of sulfur hexafluoride gas.
There is following shortcoming in existing sulfur hexafluoride gas-filled filling apparatus air pipe structure: the leather hose 1, using is generally oxygen leather hose, and its moisture content is higher, easily aging; 2, leather hose is used galvanized wire colligation conventionally with being connected of each joint, poor sealing performance, and can not stand high pressure, often there is the phenomenons such as joint leaks gas, comes off; 3, in loading line, there is no configuration standard pressure gauge, can not compare with the actual pressure of sulphur hexafluoride equipment.
Model utility content
Model utility object: in order to overcome the deficiencies in the prior art, the utility model provides a kind of general-purpose combined type self-styled sulfur hexafluoride gas gas ducting.
Technological scheme: for solving the problems of the technologies described above, the technical solution adopted in the utility model is:
The self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type, is characterized in that: comprise general-purpose self-sealing joint, the self-styled pipeline of needle type valve body rear class, needle type valve body, the self-styled pipeline of needle type valve body prime, the source of the gas connecting tube that can be connected successively;
Described general-purpose self-sealing joint comprises cardan nut and the first parent form self-sealing joint for being connected with sulphur hexafluoride device junction;
The self-styled pipeline of described needle type valve body rear class comprises the first public type joint, teflon pipe, the second parent form self-sealing joint connecting successively, and described the first public type joint end is provided with band thimble end, for connecting the first parent form self-sealing joint;
Described needle type valve body comprises the second public type joint, the 3rd public type joint, flow control valve; Second connecting end of public type joint and one end of flow control valve are connected, and the connecting end of the other end of flow control valve the 3rd public type joint is connected;
The self-styled pipeline of described needle type valve body prime comprises the 3rd parent form self-sealing joint, teflon pipe, the 4th public type self-sealing joint connecting successively; Described the 3rd parent form self-sealing joint can plug self-styled connection with the 3rd public type joint;
Described source of the gas connecting tube comprises the 4th parent form self-sealing joint, teflon pipe, the loose joint nut, the steel cylinder that are connected with steel cylinder reduction valve, and described the 4th parent form self-sealing joint can plug self-styled connection with the 4th public type self-sealing joint; The air outlet of steel cylinder is connected with teflon pipe by loose joint nut, and the other end of teflon pipe arranges the 4th parent form self-sealing joint.
Described teflon pipe is arranged with protection metal pipe outward.
The self-styled sulfur hexafluoride gas gas ducting of described general-purpose combined type, is characterized in that: on described flow control valve, be also connected with for measuring the pressure gauge with digital display of sulphur hexafluoride equipment gas pressure.
Described the first parent form self-sealing joint and the first public type joint are the self-styled jointing of plug type.
Described the second parent form self-sealing joint and the second public type joint are the self-styled jointing of plug type.
Described the 3rd public type joint and the 3rd parent form self-sealing joint are the self-styled jointing of plug type.
Described the 4th public type self-sealing joint and the 4th parent form self-sealing joint are the self-styled jointing of plug type.
Beneficial effect: the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type that the utility model provides, for existing loading line, improve, original higher, the easily aging oxygen leather hose of self moisture content is replaced by the teflon pipe with protection metal pipe, moisture content with restriction leather hose itself, effectively protection loading line outer surface, extends life cycle; Each joint area all adopts the big Lip river of generation gram self-sealing joint, and its reliable air-tightness and the convenient performance of assembling greatly facilitate site operation requirement, also effectively prevent that moisture and impurity from entering pipeline inside, guarantee the quality of inflation; The configuration of cardan makes execute-in-place more convenient; Increase master gauge, made to fill tonifying Qi work standard, convenience more.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: cardan nut 1, the public type joint 3 of the first parent form self-sealing joint 2, first, teflon pipe 4, the public type joint 6 of the second parent form self-sealing joint 5, second, pressure gauge with digital display 7; The 3rd public type joint 8; Flow control valve 9; The 3rd parent form self-sealing joint 10, teflon pipe 11, the 4th public type self-sealing joint 12; The 4th parent form self-sealing joint 13, teflon pipe 14, loose joint nut 15, steel cylinder 16.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.
Be illustrated in figure 1 the self-styled sulfur hexafluoride gas gas ducting of a kind of general-purpose combined type, comprise general-purpose self-sealing joint, the self-styled pipeline of needle type valve body rear class, needle type valve body, the self-styled pipeline of needle type valve body prime, the source of the gas connecting tube that can be connected successively;
One, general-purpose self-sealing joint: comprise cardan nut 1 and the first parent form self-sealing joint 2 for being connected with sulphur hexafluoride device junction; Adopt M20 * 1.5 cardan nut, the sulphur hexafluoride equipment various terminal that connects required tonifying Qi, the other end connects one end of the big Lip river of generation gram the first parent form self-sealing joint 2, has formed the general-purpose self-sealing joint part of the self-styled sulfur hexafluoride gas tonifying Qi of this model utility general-purpose combined type pipeline like this.The feature of this part is: relatively independent, easy for installation, self-styled.
Two, the self-styled pipeline of needle type valve body rear class: comprise the first public type joint 3, teflon pipe 4, the second parent form self-sealing joint 5 that connect successively, described the first public type joint 3 ends are provided with band thimble end, for connecting the first parent form self-sealing joint 2; The other end that connects the big Lip river of generation gram parent form self-sealing joint 2 with thimble end; Teflon pipe 4, for high-purity sulfur hexafluoride gas passage, external metallization protective tube, compares rugged environment for outside; The first parent form self-sealing joint 2 and the first public type joint 3 are the self-styled fast connecting joint of plug type, only need to, to inserting, just general-purpose self-sealing joint and the self-styled pipe section of needle type valve body rear class have been coupled together fast.The feature of this part is: pipeline is high pressure resistant, low temperature resistant, and flexible pipe can be folded, and acts freely; It is mainly used in the middle of needle type valve body rear class and tonifying Qi equipment, so just needle type valve body can be put in to the place of safe ready operation.
Three, needle type valve body: comprise the second public type joint the 6, the 3rd public type joint 8, flow control valve 9; The connecting end of the second public type joint 6 is connected with one end of flow control valve 9, and the connecting end of the other end of flow control valve 9 the 3rd public type joint 8 is connected; On described flow control valve 9, be also connected with for measuring the pressure gauge with digital display 7 of sulphur hexafluoride equipment gas pressure.The second parent form self-sealing joint 5 and the second public type joint 6 are the self-styled fast connecting joint of plug type, only need to, to inserting, just three parts have been coupled together fast.Now, regulate needle type valve knob, treat that in tonifying Qi equipment, sulfur hexafluoride gas pressure shows fast and exactly by pressure gauge with digital display 7.So just, can determine whether need tonifying Qi, if need tonifying Qi, just bleed pressure is much so, can learn.This part feature: completely self-styled, avoid atmospheric pollution; Adjustable flow of air supply; Accurately show sulfur hexafluoride gas pressure; Volume is little, and pipeline is easy to connect, simple to operate.
Four, the self-styled pipeline of needle type valve body prime: comprise the 3rd parent form self-sealing joint 10, teflon pipe 11, the 4th public type self-sealing joint 12 that connect successively; Described the 3rd parent form self-sealing joint 10 can plug self-styled connection with the 3rd public type joint 8; Main Function is to lengthen tonifying Qi circuit, and tonifying Qi steel cylinder cannot be transported to and treat by tonifying Qi equipment, enables this part pipeline from away from tonifying Qi equipment time simultaneously.It is long that this part pipeline is done conventionally, folds to be contained in special conduit box.The 3rd public type joint 8 is realized fast self-sealing with the 3rd parent form self-sealing joint 10 and is connected, and so just one, two, three, four parts of the present utility model has been coupled together fast; The 4th public type self-sealing joint 12 is realized fast self-sealing with the 4th parent form self-sealing joint 13 and is connected,
Five, source of the gas connecting tube: comprise the 4th parent form self-sealing joint 13, teflon pipe 14, the loose joint nut 15 being connected with steel cylinder reduction valve, steel cylinder 16, described the 4th parent form self-sealing joint 13 can plug self-styled connection with the 4th public type self-sealing joint 12; The air outlet of steel cylinder 16 is connected with teflon pipe 14 by loose joint nut 15, and the other end of teflon pipe 14 arranges the 4th parent form self-sealing joint 13.This part pipeline is shorter, and after connecting with steel cylinder, just no longer dismounting, makes it to become one with steel cylinder 16.So, whole tonifying Qi pipeline has just connected.
The outer protection metal pipe that is arranged with of described teflon pipe 4,11,14.
Described the first parent form self-sealing joint 2 and the first public type joint 3, the second parent form self-sealing joint 5 and the second public type joint the 6, the 3rd public type joint 8 and the 3rd parent form self-sealing joint the 10, the 4th public type self-sealing joint 12 and the 4th parent form self-sealing joint 13 are the self-styled jointing of plug type.
As preferably, the parent form self-sealing joint adopting in the present embodiment and public type joint are the big Lip river of generation gram parent form self-sealing joint and the big Lip river of generation gram public type self-sealing joint.
In the utility model embodiment, by one, two of this model utility, three parts couple together, and just obtain a pressure gauge accurately, can show degree of vacuum, can show malleation again, so just can easily obtain the state of sulfur hexafluoride gas in sulphur hexafluoride equipment, judge whether to need tonifying Qi.
On the other hand, the big Lip river of generation gram a 3rd public type joint 8 is connected on sulfur hexafluoride gas sampling bottle, regulates needle type valve, just can from sulphur hexafluoride equipment, sample, so that the density of sulfur hexafluoride gas in analytical equipment, dew point, decomposition product etc.
Meanwhile, one, two, three, five parts of this model utility are coupled together, just can be from steel cylinder 16 closely to the near tonifying Qi of sulphur hexafluoride equipment; If steel cylinder distance treats that tonifying Qi sulphur hexafluoride equipment is far away, steel cylinder is again during inconvenience carrying, and by one, two, three, four of this model utility, five parts couple together, just can give and treat the tonifying Qi of tonifying Qi sulphur hexafluoride equipment at a distance.
Various piece is relatively independent, easy for installation, simple to operate, is convenient to deposit.
Pipeline self-styled is strong, the high pressure of resistance to 2Mpa, and resistance to-40 ℃ low temperature, high-quality teflon pipe flexible pipe, the protection of band metal shell, can directly fold, applicable equally under outdoor rugged environment.
Needle type valve body divides small and exquisite practicality, can realize gas flow and regulate, again can Measurement accuracy gas pressure, and connecting pipeline is convenient and swift simultaneously, and completely self-styled, avoids atmospheric pollution gas in pipelines.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type, is characterized in that: comprise general-purpose self-sealing joint, the self-styled pipeline of needle type valve body rear class, needle type valve body, the self-styled pipeline of needle type valve body prime, the source of the gas connecting tube that can be connected successively;
Described general-purpose self-sealing joint comprises cardan nut and the first parent form self-sealing joint for being connected with sulphur hexafluoride device junction;
The self-styled pipeline of described needle type valve body rear class comprises the first public type joint, teflon pipe, the second parent form self-sealing joint connecting successively, and described the first public type joint end is provided with band thimble end, for connecting the first parent form self-sealing joint;
Described needle type valve body comprises the second public type joint, the 3rd public type joint, flow control valve; Second connecting end of public type joint and one end of flow control valve are connected, and the connecting end of the other end of flow control valve the 3rd public type joint is connected;
The self-styled pipeline of described needle type valve body prime comprises the 3rd parent form self-sealing joint, teflon pipe, the 4th public type self-sealing joint connecting successively; Described the 3rd parent form self-sealing joint can plug self-styled connection with the 3rd public type joint;
Described source of the gas connecting tube comprises the 4th parent form self-sealing joint, teflon pipe, the loose joint nut, the steel cylinder that are connected with steel cylinder reduction valve, and described the 4th parent form self-sealing joint can plug self-styled connection with the 4th public type self-sealing joint; The air outlet of steel cylinder is connected with teflon pipe by loose joint nut, and the other end of teflon pipe arranges the 4th parent form self-sealing joint.
2. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type according to claim 1, is characterized in that: described teflon pipe is arranged with protection metal pipe outward.
3. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type according to claim 1, is characterized in that: on described flow control valve, be also connected with for measuring the pressure gauge with digital display of sulphur hexafluoride equipment gas pressure.
4. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type according to claim 1, is characterized in that: described the first parent form self-sealing joint and the first public type joint are the self-styled jointing of plug type.
5. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type according to claim 1, is characterized in that: described the second parent form self-sealing joint and the second public type joint are the self-styled jointing of plug type.
6. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type according to claim 1, is characterized in that: described the 3rd public type joint and the 3rd parent form self-sealing joint are the self-styled jointing of plug type.
7. the self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type according to claim 1, is characterized in that: described the 4th public type self-sealing joint and the 4th parent form self-sealing joint are the self-styled jointing of plug type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276727.8U CN203847992U (en) | 2014-05-28 | 2014-05-28 | Universal combined self-sealing sulfur hexafluoride gas filling pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420276727.8U CN203847992U (en) | 2014-05-28 | 2014-05-28 | Universal combined self-sealing sulfur hexafluoride gas filling pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203847992U true CN203847992U (en) | 2014-09-24 |
Family
ID=51561009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420276727.8U Withdrawn - After Issue CN203847992U (en) | 2014-05-28 | 2014-05-28 | Universal combined self-sealing sulfur hexafluoride gas filling pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203847992U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061434A (en) * | 2014-05-28 | 2014-09-24 | 国家电网公司 | Universal combined type self-sealing sulfur hexafluoride gas filling pipeline |
-
2014
- 2014-05-28 CN CN201420276727.8U patent/CN203847992U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061434A (en) * | 2014-05-28 | 2014-09-24 | 国家电网公司 | Universal combined type self-sealing sulfur hexafluoride gas filling pipeline |
| CN104061434B (en) * | 2014-05-28 | 2016-01-06 | 国家电网公司 | The self-styled sulfur hexafluoride gas gas ducting of general-purpose combined type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160106 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |