CN206208476U - Airtight detector of automobile silencer - Google Patents
Airtight detector of automobile silencer Download PDFInfo
- Publication number
- CN206208476U CN206208476U CN201621278112.4U CN201621278112U CN206208476U CN 206208476 U CN206208476 U CN 206208476U CN 201621278112 U CN201621278112 U CN 201621278112U CN 206208476 U CN206208476 U CN 206208476U
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- 230000003584 silencer Effects 0.000 title abstract 3
- 239000011148 porous material Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 14
- 238000013461 design Methods 0.000 abstract description 2
- 238000012360 testing method Methods 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- -1 152 Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Exhaust Silencers (AREA)
Abstract
The utility model discloses an air tightness detector for an automobile silencer, which comprises a detection table and an electronic operation cabinet, wherein a guide rail a and a guide rail b are arranged on the detection table in parallel, and a fixed support is arranged at the end part of the right side of the guide rail a; the fixed support comprises a fixed bottom plate, a fixed front support, a fixed rear support and a pneumatic clamping and inflating device; a movable support a is arranged at the left end of the guide rail a, and comprises a sliding block base a, a movable front support a, a movable rear support a and a pneumatic clamping device a; the guide rail b is provided with a movable support b, and the movable support b comprises a sliding block base b, a movable front support b, a movable rear support b and a pneumatic clamping device b; and a main controller, an electronic pressure measuring device and a pneumatic pump are arranged in the electronic operation cabinet. The utility model has novel structure and reasonable design; the silencer detection device can meet the detection requirements of silencers of different lengths and specifications, and is short in detection time, high in efficiency and high in accuracy.
Description
Technical field
The utility model is related to mobile muffler testing equipment technical field, specifically a kind of airtight detection of mobile muffler
Instrument.
Background technology
Mobile muffler, is a kind of device for producing noise when motor car engine works for reducing, generally by being two
The different pipeline of individual length is constituted, and is interfered in superposition by sound wave and is cancelled out each other and weaken the sound intensity, makes the sound for being transmitted through coming
Sound reduces, so as to play the effect of noise reduction., it is necessary to enter promoting the circulation of qi to the whole pipeline of muffler in mobile muffler production process
Close detection, qualified product could be put in storage stand-by, and underproof product then needs to do over again and welds to ensure whole muffler again
Air-tightness requirement.Common mobile muffler, as shown in figure 1, including positioned at middle tail-gas catalyst, in tail-gas catalyst two
End is respectively welded the end mounting flange of air inlet pipe and escaping pipe, air inlet pipe and escaping pipe.
For a long time, the method for conducting leak test of mobile muffler pipeline, is all manual detection, by pipeline one end during detection
Closing, by the other end to being passed through pressure-air in pipeline, the sound that is produced by gas leakage and smears that soap is soaked to be observed
The mode of bubbling detected, taken time and effort, low production efficiency, and easily produces error.Imitated in order to improve the air-tightness is detected
Rate, Chinese patent CN203053644U discloses a kind of airtight maintenance fixture, and runing rest is set on main basal base, in rotation branch
Support base, hold-down mechanism, plugging mechanism, admission gear and positioning seat are further set on frame；By pneumatic hold-down mechanism and
Plugging mechanism, shortens detection time, improves the degree of accuracy.But, the device can only disappear to regular length and solid shape
Sound device detected, and, it is necessary to according to the demand of upstream client for muffler manufacturer, for different brands, no
The automobile construction of same model produces variously-shaped muffler, how to meet the air-leakage test of different shape muffler simultaneously
It is required that, it is the big problem of to be solved one.
Utility model content
The purpose of this utility model is to provide a kind of airtight detector of mobile muffler, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of airtight detector of mobile muffler, including monitor station and electronic operation cabinet, are arranged with parallel on monitor station
Guide rail a and guide rail b；
The right-hand end of the guide rail a sets hold-down support；The hold-down support include fixed base plate, fixed fore-stock,
Fixed after-poppet and pneumatic pinch aerating device；The arc opening for placing muffler, institute are provided with fixed fore-stock
Pneumatic pinch aerating device is stated to be arranged on fixed after-poppet, and it is corresponding with the arc opening of fixed fore-stock；It is described pneumatic
Clamping aerating device includes the fixed platen that fixed cylinder is connected with the cylinder rod of fixed cylinder, the fixed platen with treat
The muffler of detection is coaxially disposed；The center of the fixed platen offers air-filled pore, and air-filled pore passes through high-pressure aerated Guan Yugong
The High Pressure Air Pipe Line of factory is connected；The control valve for realizing gas circuit opening and closing is provided with high-pressure aerated pipe；
Being provided with the guide rail a can include sliding block base a, movement along the mobile support saddle a of guide rail a displacements, mobile support saddle a
Fore-stock a, mobile after-poppet a and air clamper a；The mobile fore-stock a is oppositely arranged with fixed fore-stock, in movement
The arc opening for placing muffler is also equipped with fore-stock a, the mobile fore-stock a's of air clamper a correspondences
Arc opening is arranged on mobile after-poppet a；The guide rail a tops set the drive lead screw a, drive lead screw a parallel with guide rail a
Cross fixed fore-stock and fixed after-poppet, and with the motor a being arranged on fixed after-poppet lateral wall（0）Transmission connects
Connect；The mobile fore-stock a of the mobile support saddle a, mobile after-poppet a coordinate on drive lead screw a；
Set on the guide rail b and mobile support saddle b is installed, mobile support saddle b includes sliding block base b, mobile fore-stock b, moves
Dynamic after-poppet b and air clamper b, mobile fore-stock b is set parallel to guide rail b, be also equipped with mobile fore-stock b for
Place the arc opening of muffler；The arc opening of the mobile fore-stock b of air clamper b correspondences is installed and propped up after movement
On frame b；The guide rail b tops are arranged with two drive lead screw b, drive lead screw b and the drive for being arranged on guide rail b right-hand ends in parallel
Dynamic motor b drive connections, the other end of drive lead screw b is held within the screw mandrel support frame of guide rail b left ends；The sliding block bottom
Seat b correspondence guide rail b directions end symmetric is fixedly installed installing plate, and installing plate coordinates on drive lead screw b；
The electronic operation cabinet inside sets master controller and electron pressure determines device, and control pneumatic pinch inflation
Device, air clamper a, the air driven pump of the pneumatic system gas circuit of air clamper b；The air driven pump, motor a and
Motor b is connected by wire with master controller respectively；Display and operation are set on the front end face of the electronic operation cabinet
Panel.
Further improvement of the utility model is：The air clamper a includes mobile cylinder a and mobile cylinder a
Cylinder rod on the mobile platen a that is connected；The air clamper b includes the cylinder of mobile cylinder b and mobile cylinder b
The mobile platen b being connected on bar.
Further improvement of the utility model is：On the fixed platen, mobile platen a, the front end face of mobile platen b
It is provided for the rubber sheet gasket of sealing.
Further improvement of the utility model is：The motor a and motor b are stepper motor.
Compared with prior art, the beneficial effects of the utility model are：
The utility model provides a kind of airtight detector of mobile muffler, and structure is novel, reasonable in design, detection time is short,
Efficiency high, and precision greatly improves, it is ensured that the product quality of muffler.The utility model includes for using cooperatively
Hold-down support and two mobile support saddles, hold-down support are fixed on monitor station, and two mobile clamping devices can be in stepper motor
Control under moved along guide rail, so as to adjust the distance between hold-down support and mobile support saddle and angle, to adapt to difference
Length, the muffler detection of different size are required.
Pneumatic pinch aerating device of the present utility model, air clamper a, air clamper b use pneumatic driving
Dynamic, action is quick, and it is convenient to start, safety and stability；The utility model determines device to the pressure in muffler using electron pressure
Carry out real-time monitoring, can directly reading and stored record, reduce working strength, reduce the possibility of human error.
Rubber sheet gasket is additionally provided with fixed platen, mobile platen a, the front end face of mobile platen b, strengthens sealing effect
Really, detection precision is improved.
Brief description of the drawings
Fig. 1 is the structural representation of conventional vehicle muffler；
Fig. 2 is the structural representation of the airtight detector of mobile muffler.
In figure, 1, monitor station, 12, electronic operation cabinet, 2, guide rail b, 3, guide rail a, 4-1, fixed after-poppet, 4-2, fixed gas
Cylinder, 4-3, fixed fore-stock, 4-4, fixed base plate, 4-5, fixed platen, 5-1, mobile after-poppet a, 5-2, mobile cylinder a, 5-
3rd, mobile fore-stock a, 5-4, sliding block base a, 5-5, mobile platen a, 6-1, mobile after-poppet b, 6-2, mobile cylinder b, 6-3,
Mobile fore-stock b, 6-4, sliding block base b, 6-5, mobile platen b, 7, installing plate, 8-1, drive lead screw a, 8-2, drive lead screw b,
9th, screw mandrel support frame, 10, motor a, 11, motor b, 12, electronic operation cabinet, 13, display, 14, guidance panel,
15th, muffler, 151, tail-gas catalyst, 152, air inlet pipe, 153, escaping pipe, 154, ring flange.
Specific embodiment
The technical scheme of this patent is described in more detail with reference to specific embodiment.
Refering to Fig. 2, a kind of airtight detector of mobile muffler, including monitor station 1 and electronic operation cabinet 12, the monitor station
It is arranged with guide rail a3 and guide rail b2 on 1 in parallel.
Hold-down support is provided with monitor station 1, hold-down support is located at the right-hand end of guide rail a3.The hold-down support bag
Include fixed base plate 4-4, fixed fore-stock 4-3, fixed after-poppet 4-1 and pneumatic pinch aerating device；Fixed base plate 4-4 passes through spiral shell
Bolt is fixed on monitor station 1, and the arc opening for placing muffler is additionally provided with fixed fore-stock 4-3.The pneumatic clamps
Tight aerating device is fixed on fixed after-poppet 4-1, and corresponding with the arc opening of fixed fore-stock 4-3；Pneumatic pinch is filled
Device of air includes the fixed platen 4-5, the fixed platen 4- that fixed cylinder 4-2 is connected with the cylinder rod of fixed cylinder 4-2
5 are coaxially disposed with muffler 15 to be detected, and the rubber sheet gasket of sealing is provided on the front end face of fixed platen 4-5.Institute
The center for stating fixed platen 4-5 offers air-filled pore, and air-filled pore is connected by high-pressure aerated pipe with the High Pressure Air Pipe Line of factory
Connect；The control valve for realizing gas circuit opening and closing is provided with high-pressure aerated pipe.
Mobile support saddle a is installed on the guide rail a3, mobile support saddle a include sliding block base a5-4, mobile fore-stock a5-3,
Mobile after-poppet a5-1 and air clamper a.The mobile fore-stock a5-3 is oppositely arranged with fixed fore-stock 4-3, is moving
The arc opening for placing muffler is also equipped with dynamic fore-stock a5-3.Branch before the air clamper a correspondences are mobile
The arc opening of frame a5-3 is arranged on mobile after-poppet a5-1；Air clamper a includes mobile cylinder a5-2 and mobile gas
The mobile platen a5-5 being connected on the cylinder rod of cylinder a5-2, is provided for sealing on the front end face of the mobile platen a5-5
Rubber sheet gasket.The guide rail a3 tops set the drive lead screw a8-1 parallel with guide rail a3, and drive lead screw a8-1 is crossed before fixing
Support 4-3 and fixed after-poppet 4-1, and be connected with the motor a10 being arranged on fixed after-poppet 4-1 lateral walls；
The mobile fore-stock a5-3 of the mobile support saddle a5, mobile after-poppet a5-1 coordinate on drive lead screw a8-1；Driving
Under the driving of motor a10, drive lead screw a8-1 drives mobile support saddle a, mobile support saddle a is slided along guide rail a3, realizes fixed branch
The regulation of distance between seat and mobile support saddle a.
Set on the guide rail b2 and mobile support saddle b is installed, mobile support saddle b includes sliding block base b6-4, mobile fore-stock
B6-3, mobile after-poppet b6-1 and air clamper b, mobile fore-stock b6-3 are set parallel to guide rail b2, mobile fore-stock
The arc opening for placing muffler is also equipped with b6-3.The mobile fore-stock b6-3's of air clamper b correspondences
Arc opening is arranged on mobile after-poppet b6-1；Air clamper b includes mobile cylinder b6-2's and mobile cylinder b6-2
The mobile platen b6-5 being connected on cylinder rod, is provided for the rubber blanket of sealing on the front end face of the mobile platen b6-5
Piece.Guide rail b2 top is arranged with two drive lead screw b8-2 in parallel, drive lead screw b8-2 be arranged on guide rail b2 right-hand ends
The motor b11 drive connections in portion, the other end of drive lead screw b8-2 is held within the screw mandrel support frame 9 of guide rail b2 left ends
On；The sliding block base b6-4 correspondence guide rail b2 directions end symmetric is fixedly installed installing plate 7, and the cooperation of installing plate 7 is arranged on
On drive lead screw b8-2.Under the driving of motor b11, drive lead screw b8-2 drives mobile support saddle b, makes the mobile support saddle b can
Slided along guide rail a, realize the regulation of distance and angle between hold-down support and mobile support saddle b.
Top inside the electronic operation cabinet 12 is provided with master controller and electron pressure determines device, under it is internal
Side be provided with control pneumatic pinch aerating device, air clamper a, the pneumatic system gas circuit of air clamper b it is pneumatic
Pump；The master controller distinguishes Electricity Federation air driven pump, control valve, motor a10 and motor b11, electronics pressure by wire
Power determines device Electricity Federation hold-down support one end, the pressure change in monitor in real time muffler；The front end of the electronic operation cabinet 12
The display 13 for showing pressure data and the guidance panel 14 for personnel control are provided with face.
The motor a10 and motor b11 are stepper motor.
The utility model strong adaptability, if muffler is straight pipe type, from fixed support and mobile support a combined tests；
If muffler has certain camber, from fixed support and mobile support b combined tests.It is with one with muffler to be detected
Determine as a example by the muffler of camber, its air-leakage test process is：
According to muffler version to be detected from mobile support b；The air inlet pipe of muffler, escaping pipe are individually positioned in
On fixed fore-stock, mobile fore-stock b, ring flange is set to be stuck at arc opening；Fixed cylinder and mobile cylinder a are driven, is made solid
Level pressure disk and mobile platen a are pressed on the ring flange of muffler, realize pinch seal respectively；Open the control of high-pressure aerated pipe
Valve, to being passed through pressure-air in muffler；Electron pressure determines device and carries out real-time monitoring to the pressure in muffler, and by electricity
Display on child-operation cabinet shows that workman can directly read pressure value, and according to the change width of pressure value within a certain period of time
Spend to determine whether muffler seals, it is very convenient simple.After being completed, the control valve of high-pressure aerated pipe is closed, then driven
Dynamic fixed cylinder and mobile cylinder a, unclamp the clamping to muffler, you can remove.
The better embodiment to this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, in the ken that one skilled in the relevant art possesses, can also be on the premise of this patent objective not be departed from
Make a variety of changes.
Claims (4)
1. the airtight detector of a kind of mobile muffler, it is characterised in that：Including monitor station（1）With electronic operation cabinet（12）, in inspection
Scaffold tower（1）On be arranged with guide rail a in parallel（3）With guide rail b（2）；
The guide rail a（3）Right-hand end set hold-down support；The hold-down support includes fixed base plate（4-4）, it is fixed before branch
Frame（4-3）, fixed after-poppet（4-1）With pneumatic pinch aerating device；In fixed fore-stock（4-3）On be provided with for place disappear
Sound device（15）Arc opening, the pneumatic pinch aerating device is arranged on fixed after-poppet（4-1）On, and with fixed fore-stock
（4-3）Arc opening it is corresponding；The pneumatic pinch aerating device includes fixed cylinder（4-2）With fixed cylinder（4-2）'s
The fixed platen that cylinder rod is connected（4-5）, the fixed platen（4-5）With muffler to be detected（15）It is coaxially disposed；Institute
State fixed platen（4-5）Center offer air-filled pore, the High Pressure Air Pipe Line phase that air-filled pore passes through high-pressure aerated pipe and factory
Connection；The control valve for realizing gas circuit opening and closing is provided with high-pressure aerated pipe；
The guide rail a（3）On be provided with can be along guide rail a（3）The mobile support saddle a of displacement, mobile support saddle a include sliding block base a（5-
4）, mobile fore-stock a（5-3）, mobile after-poppet a（5-1）With air clamper a；The mobile fore-stock a（5-3）With it is solid
Determine fore-stock（4-3）It is oppositely arranged, in mobile fore-stock a（5-3）On be also equipped with for placing muffler（15）Arc open
Mouthful, the mobile fore-stock a of air clamper a correspondences（5-3）Arc opening be arranged on mobile after-poppet a（5-1）On；Institute
State guide rail a（3）Top is set and guide rail a（3）Parallel drive lead screw a（8-1）, drive lead screw a（8-1）Cross fixed fore-stock
（4-3）With fixed after-poppet（4-1）, and be arranged on fixed after-poppet（4-1）Motor a on lateral wall（10）Transmission connects
Connect；The mobile support saddle a（5）Mobile fore-stock a（5-3）, mobile after-poppet a（5-1）Coordinate and be arranged on drive lead screw a（8-
1）On；
The guide rail b（2）Upper setting is provided with mobile support saddle b, and mobile support saddle b includes sliding block base b（6-4）, mobile fore-stock b
（6-3）, mobile after-poppet b（6-1）With air clamper b, mobile fore-stock b（6-3）Parallel to guide rail b（2）Set, it is mobile
Fore-stock b（6-3）On be also equipped with for placing muffler（15）Arc opening；The air clamper b correspondences are moved
Fore-stock b（6-3）Arc opening be arranged on mobile after-poppet b（6-1）On；The guide rail b（2）Top is arranged with two in parallel
Drive lead screw b（8-2）, drive lead screw b（8-2）Be arranged on guide rail b（2）The motor b of right-hand end（11）Drive connection,
Drive lead screw b（8-2）The other end be held within guide rail b（2）The screw mandrel support frame of left end（9）On；The sliding block base b
（6-4）Correspondence guide rail b（2）Direction end symmetric is fixedly installed installing plate（7）, installing plate（7）Coordinate and be arranged on drive lead screw b
（8）On；
The electronic operation cabinet（12）Inside sets master controller and electron pressure determines device, and control pneumatic pinch inflation
Device, air clamper a, the air driven pump of the pneumatic system gas circuit of air clamper b；The air driven pump, motor a
（10）With motor b（11）It is connected with master controller by wire respectively；The electronic operation cabinet（12）Front end face on set
Put display（13）And guidance panel（14）.
2. the airtight detector of a kind of mobile muffler according to claim 1, it is characterised in that：The air clamper
A includes mobile cylinder a（5-2）With mobile cylinder a（5-2）Cylinder rod on the mobile platen a that is connected（5-5）；It is described pneumatic
Clamping device b includes mobile cylinder b（6-2）With mobile cylinder b（6-2）Cylinder rod on the mobile platen b that is connected（6-5）.
3. the airtight detector of a kind of mobile muffler according to claim 2, it is characterised in that：The fixed platen（4-
5）, mobile platen a（5-5）, mobile platen b（6-5）Front end face on be provided for sealing rubber sheet gasket.
4. the airtight detector of a kind of mobile muffler according to claim 2, it is characterised in that：The motor a
（10）With motor b（11）It is stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278112.4U CN206208476U (en) | 2016-11-27 | 2016-11-27 | Airtight detector of automobile silencer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621278112.4U CN206208476U (en) | 2016-11-27 | 2016-11-27 | Airtight detector of automobile silencer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206208476U true CN206208476U (en) | 2017-05-31 |
Family
ID=58747359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621278112.4U Expired - Fee Related CN206208476U (en) | 2016-11-27 | 2016-11-27 | Airtight detector of automobile silencer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206208476U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655631A (en) * | 2017-09-22 | 2018-02-02 | 太仓市高泰机械有限公司 | A kind of muffler leak test equipment |
| CN109211495A (en) * | 2018-10-26 | 2019-01-15 | 苏州岸肯电子科技有限公司 | A kind of silencer leak-testing apparatus |
| CN109738131A (en) * | 2019-01-08 | 2019-05-10 | 芜湖飞龙汽车电子技术研究院有限公司 | A screening equipment for qualified products used in the sealing cavity of an electronic water pump |
| CN109752151A (en) * | 2018-12-30 | 2019-05-14 | 珠海市广源信科技有限公司 | A kind of muffler measuring device |
| CN109765041A (en) * | 2019-01-07 | 2019-05-17 | 珠海市广源信科技有限公司 | A kind of muffler measuring system |
| CN115683489A (en) * | 2023-01-04 | 2023-02-03 | 河北海特汽车部件有限公司 | Air tightness detection device of purifier |
| CN115876399A (en) * | 2023-01-06 | 2023-03-31 | 河北海特汽车部件有限公司 | Airtightness detector for automobile silencer |
-
2016
- 2016-11-27 CN CN201621278112.4U patent/CN206208476U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655631A (en) * | 2017-09-22 | 2018-02-02 | 太仓市高泰机械有限公司 | A kind of muffler leak test equipment |
| CN109211495A (en) * | 2018-10-26 | 2019-01-15 | 苏州岸肯电子科技有限公司 | A kind of silencer leak-testing apparatus |
| CN109752151A (en) * | 2018-12-30 | 2019-05-14 | 珠海市广源信科技有限公司 | A kind of muffler measuring device |
| CN109765041A (en) * | 2019-01-07 | 2019-05-17 | 珠海市广源信科技有限公司 | A kind of muffler measuring system |
| CN109765041B (en) * | 2019-01-07 | 2021-03-30 | 珠海市广源信科技有限公司 | Silencer measurement system |
| CN109738131A (en) * | 2019-01-08 | 2019-05-10 | 芜湖飞龙汽车电子技术研究院有限公司 | A screening equipment for qualified products used in the sealing cavity of an electronic water pump |
| CN115683489A (en) * | 2023-01-04 | 2023-02-03 | 河北海特汽车部件有限公司 | Air tightness detection device of purifier |
| CN115876399A (en) * | 2023-01-06 | 2023-03-31 | 河北海特汽车部件有限公司 | Airtightness detector for automobile silencer |
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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: 20170531 Termination date: 20201127 |
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| CF01 | Termination of patent right due to non-payment of annual fee |