CN208118169U - Batch mixer is used in a kind of production of PVC building template - Google Patents
Batch mixer is used in a kind of production of PVC building template Download PDFInfo
- Publication number
- CN208118169U CN208118169U CN201820581426.4U CN201820581426U CN208118169U CN 208118169 U CN208118169 U CN 208118169U CN 201820581426 U CN201820581426 U CN 201820581426U CN 208118169 U CN208118169 U CN 208118169U
- Authority
- CN
- China
- Prior art keywords
- mixing
- fixedly installed
- mixing machine
- building template
- batch mixer
- 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
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model provides a kind of PVC building template production batch mixer, is related to building template production equipment technology.The PVC building template production batch mixer, including pedestal, the quantity of pedestal are two, mixing machine is fixedly installed between two pedestals, commissioning pipe is communicated on the left of mixing machine, the two sides at the top of mixing machine are fixedly installed with electric machine support, are fixedly installed with batch mixing motor between two electric machine supports.PVC building template production batch mixer, pass through the cooperation of pusher motor, circular cone, fixing seat, charging ram, conductive plate, adjustable spring and scraping wings, circular cone regularly can push conductive plate to move up and down when pusher motor driven circular cone rotates, simultaneously, conductive plate will drive charging ram and scraping wings and move up and down in the inside of mixing machine, scraping wings can by mixing machine inner wall bottom mix less than material up push up, this keeps the PVC building template production batch mixer mixing more uniform, makes the building template better quality produced.
Description
Technical field
The utility model relates to building template production equipment technology, specially a kind of PVC building template production is used mixed
Material machine.
Background technique
Polyvinyl chloride, English abbreviation PVC are vinyl chloride monomer.PVC be amorphous structure white powder, the degree of branching compared with
Small, relative density 1.4 or so, glass transition temperature is 77 DEG C to 90 DEG C, and 170 DEG C or so start to decompose, to the stability of light and heat
Difference will decompose in 100 DEG C or more or through a long time exposure in sunshine and generate hydrogen chloride, and further autocatalysis is decomposed, and is drawn
Discoloration is played, physical mechanical property also declines rapidly, must be added to stabilizer in practical applications to improve the stabilization to light and heat
Property.
Building template is a kind of temporary supporting structure, makes by design requirement, makes concrete structure, component by defined
Position, geometric dimension forming, keep its correct position, and bear the external loads of building template self weight and effect on it.Into
The purpose of row form work engineering is to guarantee concrete engineering quality and construction safety, accelerate construction progress and reduce engineering cost.
PVC building template needs to mix the raw materials such as PVC, sawdust and auxiliary agent during production, this is just needed
Batch mixer is used, as Chinese patent CN206526733U discloses a kind of mixing of the Production of Ceramics with precision ingredient function
Machine, discharge port are connected to a plant feed bin, and the discharging of discharge port is mutually indepedent, is independent of each other, and improve weighing efficiency, stir model
Enclose big, powder mixing is more uniform, and mixing effect is good, and still, in mixing process, the material of mixing motor spindle sedimentation but can not be by
It is effectively stirred, this makes compounding effect poor, and mixing is uneven.
Utility model content
（One）The technical issues of solution
In view of the deficiencies of the prior art, the utility model provides a kind of PVC building template production batch mixer, solves
The existing non-uniform problem of batch mixer mixing.
（Two）Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of PVC building template production
With batch mixer, including pedestal, the quantity of the pedestal is two, is fixedly installed with mixing machine between two pedestals, described
Commissioning pipe is communicated on the left of mixing machine, the two sides at the top of the mixing machine are fixedly installed with electric machine support, two electricity
It is fixedly installed with batch mixing motor between machine support, the output end of the batch mixing motor is connected with shaft, and the two of the shaft
Side is fixedly installed with mixing bar, and cabinet, the fixed peace in the bottom of the cabinet inner wall are fixedly installed on the right side of the mixing machine
Equipped with cleaning motor, the output end of the cleaning motor is connected with screw rod, is fixedly installed at the top of the cabinet inner wall
Bearing compatible with screw rod is threaded with slip ring on the screw rod, slide bar is fixedly installed on the right side of the slip ring, described
It is fixedly installed with limit base compatible with slide bar on the right side of cabinet inner wall, is fixedly installed with guide rod on the left of the slip ring,
The internal sleeve of the mixing machine is equipped with cleaning ring, and the one end of the guide rod far from slip ring is fixedly connected with the side of cleaning ring,
Two opposite sides of the pedestal are fixedly installed with support rod, and one end of the support rod is fixedly installed with pusher motor,
The output end of the pusher motor is connected with circular cone, and the two sides of the mixing machine bottom are fixedly installed with fixing seat,
The inside of the fixing seat is interspersed to be provided with charging ram, and the bottom end of the charging ram is fixedly installed with conductive plate, the conductive plate
Adjustable spring is arranged on charging ram between fixing seat, the top of the charging ram is fixedly installed with scraping wings, described mixed
The bottom of barrel is communicated with discharge nozzle, and electronic valve is provided on the discharge nozzle, and the front surface of the mixing machine is provided with observation
Window.
Preferably, the bottom end of the shaft runs through the top of mixing machine and extends to the inside of mixing machine, the mixing machine
Top offer through-hole compatible with shaft.
Preferably, the quantity of the mixing bar is eight, and eight mixing bars are symmetrically distributed in the two sides of shaft.
Preferably, the guide rod sequentially passes through the left side of cabinet and right side and the extension of mixing machine far from one end of slip ring
To the inside of mixing machine, the left side of the cabinet and the right side of mixing machine offer strip through-hole compatible with guide rod.
Preferably, the top of the circular cone is in conical, the bottom semicircular in shape of the circular cone, the circular cone
Top is in contact with the bottom surface of conductive plate.
Preferably, the quantity of the scraping wings is two, and two scraping wings are symmetrically distributed in shaft by symmetry axis of shaft
Two sides, there are gaps between two scraping wings mixing bar adjacent thereto.
Preferably, the top of the charging ram sequentially passes through the bottom of fixing seat and mixing machine and extends to the interior of mixing machine
Portion, the bottom of the mixing machine offer through-hole compatible with charging ram.
（Three）Beneficial effect
The utility model provides a kind of PVC building template production batch mixer.Has following beneficial effect：
1, the PVC building template production use batch mixer, by pusher motor, circular cone, fixing seat, charging ram, conductive plate,
The cooperation of adjustable spring and scraping wings after pusher electric motor starting, can drive circular cone to rotate, due to the special shape of circular cone,
Circular cone regularly can push conductive plate to move up and down when pusher motor driven circular cone rotates, meanwhile, conductive plate will drive
Charging ram and scraping wings are moved up and down in the inside of mixing machine, scraping wings can by mixing machine inner wall bottom mixing bar mix less than
Material up pushes up, this keeps the PVC building template production batch mixer mixing more uniform, makes the building template quality produced
More preferably.
2, the PVC building template production use batch mixer, by cleaning motor, screw rod, bearing, slip ring, slide bar, limit base,
The cooperation of guide rod and cleaning ring, since slip ring is connect with screw flight, starting cleaning motor after mixing, cleaning motor is opened
It can be driven screw turns after dynamic, while slip ring can drive cleaning ring to move up and down in the inside of mixing machine by guide rod, this is just
It is scraped in by the raw material being adhered in mixing process on mixing machine side wall, the inner wall influence for avoiding raw material from being attached to mixing machine is subsequent
Mixing operation.
Detailed description of the invention
Fig. 1 is the schematic diagram of internal structure of the utility model；
Fig. 2 is the positive structure diagram of the utility model.
In figure：1 pedestal, 2 mixing machines, 3 commissioning pipes, 4 electric machine supports, 5 batch mixing motors, 6 shafts, 7 mixing bars, 8 cabinets, 9
Cleaning motor, 10 screw rods, 11 bearings, 12 slip rings, 13 slide bars, 14 limit bases, 15 guide rods, 16 cleaning rings, 17 support rods, 18 push away
Expect motor, 19 circular cones, 20 fixing seats, 21 charging rams, 22 conductive plates, 23 adjustable springs, 24 scraping wings, 25 discharge nozzles, 26 electricity
Sub- valve, 27 observation windows.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model embodiment provides a kind of PVC building template production batch mixer, as shown in Figs. 1-2, including pedestal
1, the quantity of pedestal 1 is two, is fixedly installed with mixing machine 2 between two pedestals 1, the left side of mixing machine 2 is communicated with commissioning pipe
3, the two sides at 2 top of mixing machine are fixedly installed with electric machine support 4, are fixedly installed with batch mixing motor between two electric machine supports 4
5, the output end of batch mixing motor 5 is connected with shaft 6, and the bottom end of shaft 6 runs through the top of mixing machine 2 and extends to mixing machine
2 inside, the top of mixing machine 2 offer through-hole compatible with shaft 6, and the two sides of shaft 6 are fixedly installed with mixing bar
7, the quantity of mixing bar 7 is eight, and eight mixing bars 7 are symmetrically distributed in the two sides of shaft 6, and the right side of mixing machine 2 is fixedly mounted
There is cabinet 8, the bottom of 8 inner wall of cabinet is fixedly installed with cleaning motor 9, and the output end of cleaning motor 9 is connected with screw rod 10,
It is fixedly installed with bearing 11 compatible with screw rod 10 at the top of 8 inner wall of cabinet, is threaded with slip ring 12, slip ring on screw rod 10
12 right side is fixedly installed with slide bar 13, and limit base 14 compatible with slide bar 13 is fixedly installed on the right side of 8 inner wall of cabinet, sliding
The left side of ring 12 is fixedly installed with guide rod 15, and the internal sleeve of mixing machine 2 is equipped with cleaning ring 16, and cleaning ring 16 is in circular ring shape, and
Cleaning ring 16 is in contact with the inner wall of mixing machine 2, passes through cleaning motor 9, screw rod 10, bearing 11, slip ring 12, slide bar 13, limit
Seat 14, guide rod 15 and the cooperation for clearing up ring 16, since slip ring 12 is threadedly coupled with screw rod 10, starting cleaning electricity after mixing
Machine 9, cleaning motor 9 can drive screw rod 10 to rotate after starting, while slip ring 12 can drive cleaning ring 16 mixed by guide rod 15
The inside of barrel 2 moves up and down, this is avoided raw material convenient for scraping the raw material being adhered on 2 side wall of mixing machine in mixing process
The inner wall for being attached to mixing machine 2 influences subsequent mixing operation, and guide rod 15 sequentially passes through cabinet 8 far from one end of slip ring 12
Left side and the right side of mixing machine 2 and the inside for extending to mixing machine 2, the left side of cabinet 8 and the right side of mixing machine 2 offer with
The compatible strip through-hole of guide rod 15, the one end of guide rod 15 far from slip ring 12 are fixedly connected with the side of cleaning ring 16, and two
The opposite side of a pedestal 1 is fixedly installed with support rod 17, and one end of support rod 17 is fixedly installed with pusher motor 18, pusher
The output end of motor 18 is connected with circular cone 19, and in cone, the bottom of circular cone 19 is in semicircle at the top of circular cone 19
The top of shape, circular cone 19 is in contact with the bottom surface of conductive plate 22, and the two sides of 2 bottom of mixing machine are fixedly installed with fixing seat
20, the inside of fixing seat 20 is interspersed to be provided with charging ram 21, and the top of charging ram 21 sequentially passes through fixing seat 20 and mixing machine 2
Bottom and the inside for extending to mixing machine 2, the bottom of mixing machine 2 offer through-hole compatible with charging ram 21, charging ram 21
Bottom end be fixedly installed with conductive plate 22, be arranged with adjustable spring 23 on the charging ram 21 between conductive plate 22 and fixing seat 20,
The top of charging ram 21 is fixedly installed with scraping wings 24, and the quantity of scraping wings 24 is two, and two scraping wings 24 are pair with shaft 6
Axial symmetry is claimed to be distributed in the two sides of shaft 6, there are gaps between two scraping wings 24 mixing bar 7 adjacent thereto, by pushing away
Expect the cooperation of motor 18, circular cone 19, fixing seat 20, charging ram 21, conductive plate 22, adjustable spring 23 and scraping wings 24, pusher
After motor 18 starts, circular cone 19 can be driven to rotate, due to the special shape of circular cone 19, pusher motor 18 drives circular cone 19
Circular cone 19 regularly can push conductive plate 22 to move up and down when rotation, meanwhile, conductive plate 22 will drive charging ram 21 and push away
Flitch 24 is moved up and down in the inside of mixing machine 2, scraping wings 24 can by 2 inner wall bottom mixing bar 7 of mixing machine mix less than material
Material up pushes up, this keeps the PVC building template production batch mixer mixing more uniform, makes the building template quality produced more
Good, the bottom of mixing machine 2 is communicated with discharge nozzle 25, and electronic valve 26 is provided on discharge nozzle 25, and the front surface of mixing machine 2 is provided with
Observation window 27.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
Working principle：In use, PVC, wood powder and auxiliary agent needed for production PVC building template are put by commissioning pipe 3
The inside of mixing machine 2, while starting batch mixing motor 5 and pusher motor 18, after pusher motor 18 starts, 19 turns of circular cone can be driven
Dynamic, due to the special shape of circular cone 19, circular cone 19 can be pushed regularly when pusher motor 18 drives circular cone 19 to rotate
Conductive plate 22 moves up and down, meanwhile, conductive plate 22 will drive charging ram 21 and scraping wings 24 moves down on the inside of mixing machine 2
It is dynamic, scraping wings 24 2 inner wall bottom mixing bar 7 of mixing machine can be mixed less than material up push up, this keeps the PVC building template raw
It produces more uniform with batch mixer mixing, makes the building template better quality produced, after the completion of mixing, the raw material that will mix
It is discharged by the inside of discharge nozzle 25, subsequent start-up clears up motor 9, and cleaning motor 9 can drive screw rod 10 to rotate after starting, sliding simultaneously
Ring 12 can drive cleaning ring 16 to move up and down in the inside of mixing machine 2 by guide rod 15, this is convenient for adhere in mixing process
In mixing machine.
In conclusion the PVC building template production use batch mixer, by pusher motor 18, circular cone 19, fixing seat 20,
The cooperation of charging ram 21, conductive plate 22, adjustable spring 23 and scraping wings 24 can drive circular cone 19 after pusher motor 18 starts
Rotation, due to the special shape of circular cone 19, circular cone 19 can be pushed away regularly when pusher motor 18 drives circular cone 19 to rotate
Dynamic conductive plate 22 moves up and down, meanwhile, conductive plate 22 will drive charging ram 21 and scraping wings 24 moves down on the inside of mixing machine 2
It is dynamic, scraping wings 24 2 inner wall bottom mixing bar 7 of mixing machine can be mixed less than material up push up, this keeps the PVC building template raw
It produces and uses batch mixer mixing more uniform, make the building template better quality produced.
Also, PVC building template production batch mixer by cleaning motor 9, screw rod 10, bearing 11, slip ring 12, is slided
Bar 13, limit base 14, guide rod 15 and the cooperation for clearing up ring 16, since slip ring 12 is threadedly coupled with screw rod 10, after mixing
Starting cleaning motor 9, cleaning motor 9 can drive screw rod 10 to rotate after starting, while slip ring 12 can be driven clearly by guide rod 15
Reason ring 16 is moved up and down in the inside of mixing machine 2, this is convenient for that mixing machine will be adhered in mixing process.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of production of PVC building template batch mixer, including pedestal（1）, it is characterised in that：The pedestal（1）Quantity be
Two, two pedestals（1）Between be fixedly installed with mixing machine（2）, the mixing machine（2）Left side be communicated with commissioning pipe
（3）, the mixing machine（2）The two sides at top are fixedly installed with electric machine support（4）, two electric machine supports（4）Between it is solid
Dingan County is equipped with batch mixing motor（5）, the batch mixing motor（5）Output end be connected with shaft（6）, the shaft（6）Two
Side is fixedly installed with mixing bar（7）, the mixing machine（2）Right side be fixedly installed with cabinet（8）, the cabinet（8）Inner wall
Bottom be fixedly installed with cleaning motor（9）, the cleaning motor（9）Output end be connected with screw rod（10）, the machine
Case（8）It is fixedly installed at the top of inner wall and screw rod（10）Compatible bearing（11）, the screw rod（10）On be threaded with
Slip ring（12）, the slip ring（12）Right side be fixedly installed with slide bar（13）, the cabinet（8）It is fixedly installed on the right side of inner wall
With slide bar（13）Compatible limit base（14）, the slip ring（12）Left side be fixedly installed with guide rod（15）, the mixing
Cylinder（2）Internal sleeve be equipped with cleaning ring（16）, the guide rod（15）Far from slip ring（12）One end and cleaning ring（16）One
Side is fixedly connected, two pedestals（1）Opposite side is fixedly installed with support rod（17）, the support rod（17）One
End is fixedly installed with pusher motor（18）, the pusher motor（18）Output end be connected with circular cone（19）, described mixed
Barrel（2）The two sides of bottom are fixedly installed with fixing seat（20）, the fixing seat（20）Inside interspersed be provided with charging ram
（21）, the charging ram（21）Bottom end be fixedly installed with conductive plate（22）, the conductive plate（22）With fixing seat（20）Between
Charging ram（21）On be arranged with adjustable spring（23）, the charging ram（21）Top be fixedly installed with scraping wings（24）, institute
State mixing machine（2）Bottom be communicated with discharge nozzle（25）, the discharge nozzle（25）On be provided with electronic valve（26）, the mixing machine
（2）Front surface be provided with observation window（27）.
2. a kind of PVC building template production batch mixer according to claim 1, it is characterised in that：The shaft（6）'s
Mixing machine is run through in bottom end（2）Top and extend to mixing machine（2）Inside, the mixing machine（2）Top offer with turn
Axis（6）Compatible through-hole.
3. a kind of PVC building template production batch mixer according to claim 1, it is characterised in that：The mixing bar（7）
Quantity be eight, eight mixing bars（7）It is symmetrically distributed in shaft（6）Two sides.
4. a kind of PVC building template production batch mixer according to claim 1, it is characterised in that：The guide rod
（15）Far from slip ring（12）One end sequentially pass through cabinet（8）Left side and mixing machine（2）Right side and extend to mixing machine（2）
Inside, the cabinet（8）Left side and mixing machine（2）Right side offer and guide rod（15）Compatible bar shaped is logical
Hole.
5. a kind of PVC building template production batch mixer according to claim 1, it is characterised in that：The circular cone
（19）Top in cone, the circular cone（19）Bottom semicircular in shape, the circular cone（19）Top and conductive plate
（22）Bottom surface be in contact.
6. a kind of PVC building template production batch mixer according to claim 1, it is characterised in that：The scraping wings
（24）Quantity be two, two scraping wings（24）With shaft（6）Shaft is symmetrically distributed in for symmetry axis（6）Two sides, two
The scraping wings（24）Mixing bar adjacent thereto（7）Between there are gaps.
7. a kind of PVC building template production batch mixer according to claim 1, it is characterised in that：The charging ram
（21）Top sequentially pass through fixing seat（20）And mixing machine（2）Bottom and extend to mixing machine（2）Inside, the mixing
Cylinder（2）Bottom offer and charging ram（21）Compatible through-hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581426.4U CN208118169U (en) | 2018-04-23 | 2018-04-23 | Batch mixer is used in a kind of production of PVC building template |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820581426.4U CN208118169U (en) | 2018-04-23 | 2018-04-23 | Batch mixer is used in a kind of production of PVC building template |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208118169U true CN208118169U (en) | 2018-11-20 |
Family
ID=64187412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820581426.4U Expired - Fee Related CN208118169U (en) | 2018-04-23 | 2018-04-23 | Batch mixer is used in a kind of production of PVC building template |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208118169U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118416774A (en) * | 2024-04-28 | 2024-08-02 | 湖北茂盛生物有限公司 | Conditioner production device and method based on agricultural contaminated soil |
-
2018
- 2018-04-23 CN CN201820581426.4U patent/CN208118169U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118416774A (en) * | 2024-04-28 | 2024-08-02 | 湖北茂盛生物有限公司 | Conditioner production device and method based on agricultural contaminated soil |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212167735U (en) | Efficient gypsum powder crushing device | |
| CN209381081U (en) | A kind of construction material mixing plant of environment-friendly type | |
| CN208118169U (en) | Batch mixer is used in a kind of production of PVC building template | |
| CN112499304A (en) | Stable concrete discharging device and discharging method thereof | |
| CN216099633U (en) | Tile dry-mixed mortar stirring and mixing device | |
| CN102275210B (en) | Vacuum extruder for hollow hanging plates and split bricks | |
| CN207290486U (en) | A kind of mixing device for concrete processing | |
| CN208660974U (en) | A kind of production of moisture paper tissue papers produces mixing arrangement with perfume liquid | |
| CN208543634U (en) | A kind of mixing blender for building | |
| CN217346049U (en) | Efficient mixing stirring equipment for production of preheated concrete | |
| CN202480208U (en) | Hollow hanging plate and split brick multifunctional vacuum extruder | |
| CN209649115U (en) | A kind of architectural engineering high-efficiency stirring concrete apparatus | |
| CN207480920U (en) | A kind of sandstone batch mixing lifting device | |
| CN208406758U (en) | A kind of building block blender that mixing effect is good | |
| CN207997434U (en) | A kind of building block production agitating device | |
| CN208661224U (en) | A kind of environment-friendly type waste material recovery device in chemical industry laboratory | |
| CN207432487U (en) | A kind of construction site cement mixer stirred evenly | |
| CN210206701U (en) | Capacity-increasing mixing machine | |
| CN211682831U (en) | Building PC component raw material mixing device | |
| CN212595163U (en) | High-efficient vacuum system cream device | |
| CN108284520A (en) | A kind of building block production agitating device | |
| CN221868094U (en) | Powder mixing equipment for building materials processing | |
| CN214766621U (en) | Pressure-adjustable pulp scraping roller | |
| CN221693315U (en) | Biscuit raw material mixing device | |
| CN218928191U (en) | Dust collector that building concrete stirring was used |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181120 Termination date: 20190423 |