CN207930968U - A kind of plastic film four-roll calendaring device - Google Patents
A kind of plastic film four-roll calendaring device Download PDFInfo
- Publication number
- CN207930968U CN207930968U CN201820101733.8U CN201820101733U CN207930968U CN 207930968 U CN207930968 U CN 207930968U CN 201820101733 U CN201820101733 U CN 201820101733U CN 207930968 U CN207930968 U CN 207930968U
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- pressure roller
- pedestal
- shaft
- stock guide
- rack
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Abstract
The utility model is related to plastic film production technical field more particularly to a kind of plastic film four-roll calendaring devices, including：Driving motor, gear reducer, shaft coupling；The reducer pedestal is located at the side of pedestal, and reducer pedestal is connected with pedestal by welding manner；The speed reducer is located at the top of reducer pedestal, and speed reducer is connected with reducer pedestal by fixing bolt；The driving motor is located at the side of speed reducer, and driving motor is connected with speed reducer by snap fit；The transmission shaft is located at the other side of speed reducer, and transmission shaft is connected with speed reducer by shaft coupling.The utility model through the above structure on improvement, have the advantages that structure design advantages of simple, transmission mechanism connect compact, low noise, the heating speed of pressure roller are fast, surface temperature uniformly, operating personnel it is small without being in direct contact material, equipment safety hidden danger, to the problem of effective solution existing apparatus and deficiency.
Description
Technical field
The utility model is related to plastic film production technical field more particularly to a kind of plastic film four-roll calendaring devices.
Background technology
In the production of plastic film, four-roll calendaring device is essential production equipment, and four-roll calendaring device is in life
Be mainly used for mixing material in production. art flow, compaction treatment is to remove the bubble etc. of storeroom, make material quality more
To be close, in order to which finished product is processed into rear road.
But the transmission mechanism of existing plastic film production four-roll calendaring device generally uses chain drive, is transporting
Noise is larger during row, and equipment also needs manually to guide material at runtime, there are security risk when operation, is easy to draw
Production accident is sent out, and device production efficiency is not high, practicability is poor.
Utility model content
The purpose of this utility model is to provide a kind of plastic film four-roll calendaring devices, to solve in above-mentioned background technology
The transmission mechanism of the existing plastic film production four-roll calendaring device proposed generally uses chain drive, in the process of running
Noise is larger, and equipment also needs manually to guide material at runtime, there are security risk when operation, is easy to cause production thing
Therefore and device production efficiency it is not high, practicability poor problem and deficiency.
The purpose of this utility model and effect are reached by technical solution in detail below：
A kind of plastic film four-roll calendaring device, including：Driving motor, gear reducer, shaft coupling, transmission shaft, transmission gear
Case, rack, reducer pedestal, roll-setting gear, rocking handle, pedestal, pedestal, the first pressure roller, shaft, the first driven gear, the second pressure roller,
Driving gear, third pressure roller, the second driven gear, the 4th pressure roller, sliding block, screw rod, handwheel, upper layer stock guide, lower layer's stock guide；
The reducer pedestal is located at the side of pedestal, and reducer pedestal is connected with pedestal by welding manner；The speed reducer is located at
The top of reducer pedestal, and speed reducer is connected with reducer pedestal by fixing bolt；The driving motor is located at speed reducer
Side, and driving motor is connected with speed reducer by snap fit；The transmission shaft is located at the other side of speed reducer, and is driven
Axis is connected with speed reducer by shaft coupling；The driving gear is located at the inside of uni-drive gear box, and driving gear and transmission
Axis is connected by snap fit；The uni-drive gear box is mounted on the outer wall of rack, and uni-drive gear box passes through with rack
Fixing bolt is connected；First pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller, upper layer stock guide, lower layer's stock guide
It is arranged in the inside of rack；The shaft is arranged in the first pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller, upper layer guide
The inside of plate, lower layer's stock guide, and shaft and the first pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller, upper layer stock guide, under
Layer stock guide is connected by embedded mode；First pressure roller, the 4th pressure roller one end be connected with sliding block by shaft, and
First pressure roller, the 4th pressure roller the other end be connected with bearing by shaft；One end of second pressure roller passes through shaft and the
One driven gear is connected, and the other end of the second pressure roller is connected by shaft with bearing；One end of the third pressure roller is logical
It crosses shaft with the second driven gear to be connected, and the other end of third pressure roller is connected by shaft with bearing；Described first from
Moving gear, the second driven gear are arranged in the inside of uni-drive gear box, and the first driven gear, the second driven gear and driving tooth
Wheel is connected by engagement system；The screw rod is arranged in the side of sliding block, and screw rod is connected with sliding block by embedded mode；
The other end of the screw rod is connected with rocking handle by engaging；The roll-setting gear is fixedly mounted on the outer wall of rack, and is shaken
Handle is connected with roll-setting gear by snap fit；The upper layer stock guide, lower layer's stock guide one end pass through shaft and handwheel
It is connected, and the other end of upper layer stock guide, lower layer's stock guide is connected by shaft with bearing；The pedestal is arranged in rack
Bottom end, and pedestal is connected with rack by welding manner；The pedestal is connected with pedestal by welding manner.
As advanced optimizing for the technical program, rack described in a kind of plastic film four-roll calendaring device of the utility model
Inside perforation be provided with rectangular-shaped sliding slot, and sliding block is connected with sliding slot by sliding type.
As advanced optimizing for the technical program, rack described in a kind of plastic film four-roll calendaring device of the utility model
It is connected by perforation mode with screw rod, and the junction of rack and screw rod is provided with internal thread.
As advanced optimizing for the technical program, first described in a kind of plastic film four-roll calendaring device of the utility model
Pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller inside electric heating coil is installed, and electric heating coil the first pressure roller,
Second pressure roller, third pressure roller, the 4th pressure roller inside circularize array-like distribution.
As advanced optimizing for the technical program, sliding block described in a kind of plastic film four-roll calendaring device of the utility model
Be internally provided with bearing, and the both ends of the first pressure roller, the 4th pressure roller are connected by shaft with the bearing inside sliding block.
As advanced optimizing for the technical program, upper layer described in a kind of plastic film four-roll calendaring device of the utility model
Stock guide, the cross section of lower layer's stock guide are V-shaped.
Due to the application of the above technical scheme, the utility model has following advantages compared with prior art：
The utility model rack is connected with screw rod by perforation mode, and the junction of rack and screw rod is provided with interior spiral shell
The setting of line, cooperates between rack and screw rod, and screw rod can drive the sliding block of front end to be moved in rotation process, from
And the spacing between pressure roller is adjusted, so that the thickness of plastic film is reached production requirement.
The first pressure roller of the utility model, the second pressure roller, third pressure roller, the 4th pressure roller inside electric heating coil is installed,
And electric heating coil circularizes setting for array-like distribution in the inside of the first pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller
It sets, increases the heating surface (area) (HS of pressure roller, improve the heating speed of pressure roller, processing materials is enable to keep more soft shape
State, easy to process, the distribution of electric heating coil circular array shape makes the temperature of roller surface be more uniformly distributed.
The V-shaped setting in cross section of the utility model upper layer stock guide, lower layer's stock guide, plays centainly processing materials
Guiding role, operating personnel need to can only guide the direction of travel of processing materials by shaking handwheel, without direct
Contacting material reduces security risk.
The utility model through the above structure on improvement, have structure design advantages of simple, transmission mechanism connection it is compact,
Low noise, the heating speed of pressure roller are fast, surface temperature is uniform, operating personnel are small without being in direct contact material, equipment safety hidden danger
The advantages of, to the problem of effective solution existing apparatus and deficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the calender system side structure schematic view of the utility model.
In figure：Driving motor 1, shaft coupling 3, transmission shaft 4, uni-drive gear box 5, rack 6, reducer pedestal 7, is adjusted speed reducer 2
Away from device 8, rocking handle 9, pedestal 10, pedestal 11, the first pressure roller 12, shaft 13, the first driven gear 14, the second pressure roller 15, active
Gear 16, third pressure roller 17, the second driven gear 18, the 4th pressure roller 19, sliding block 20, screw rod 21, handwheel 22, upper layer stock guide
23, lower layer's stock guide 24.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig. 2, the utility model provides a kind of plastic film four-roll calendaring device technique scheme：
A kind of plastic film four-roll calendaring device, including：Driving motor 1, speed reducer 2, shaft coupling 3, transmission shaft 4, transmission
Gear-box 5, rack 6, reducer pedestal 7, roll-setting gear 8, rocking handle 9, pedestal 10, pedestal 11, the first pressure roller 12, shaft 13, first
Driven gear 14, the second pressure roller 15, driving gear 16, third pressure roller 17, the second driven gear 18, the 4th pressure roller 19, sliding block 20,
Screw rod 21, handwheel 22, upper layer stock guide 23, lower layer's stock guide 24；Reducer pedestal 7 is located at the side of pedestal 11, and reducer pedestal 7
It is connected by welding manner with pedestal 11；Speed reducer 2 is located at the top of reducer pedestal 7, and speed reducer 2 and reducer pedestal 7 are logical
Fixing bolt is crossed to be connected；Driving motor 1 is located at the side of speed reducer 2, and driving motor 1 passes through snap fit with speed reducer 2
It is connected；Transmission shaft 4 is located at the other side of speed reducer 2, and transmission shaft 4 is connected with speed reducer 2 by shaft coupling 3；Driving tooth
Wheel 16 is located at the inside of uni-drive gear box 5, and driving gear 16 is connected with transmission shaft 4 by snap fit；Uni-drive gear box 5
On the outer wall of rack 6, and uni-drive gear box 5 is connected with rack 6 by fixing bolt；First pressure roller 12, second is pressed
Roller 15, third pressure roller 17, the 4th pressure roller 19, upper layer stock guide 23, lower layer's stock guide 24 are arranged in the inside of rack 6；Shaft 13
It is arranged in the first pressure roller 12, second pressure roller 15, third pressure roller 17, the 4th pressure roller 19, upper layer stock guide 23, lower layer's stock guide 24
Inside, and shaft 13 and the first pressure roller 12, the second pressure roller 15, third pressure roller 17, the 4th pressure roller 19, upper layer stock guide 23, lower layer
Stock guide 24 is connected by embedded mode；First pressure roller 12, the 4th pressure roller 19 one end be connected with sliding block 20 by shaft 13
It connects, and the other end of the first pressure roller 12, the 4th pressure roller 19 is connected by shaft 13 with bearing；One end of second pressure roller 15 passes through
Shaft 13 is connected with the first driven gear 14, and the other end of the second pressure roller 15 is connected by shaft 13 with bearing；Third
One end of pressure roller 17 is connected by shaft 13 with the second driven gear 18, and the other end of third pressure roller 17 by shaft 13 with
Bearing is connected；First driven gear 14, the second driven gear 18 are arranged in the inside of uni-drive gear box 5, and the first driven tooth
The 14, second driven gear 18 of wheel is connected with driving gear 16 by engagement system；Screw rod 21 is arranged in the side of sliding block 20, and
Screw rod 21 is connected with sliding block 20 by embedded mode；The other end of screw rod 21 is connected with rocking handle 9 by engaging；Roll-setting gear
8 are fixedly mounted on the outer wall of rack 6, and rocking handle 9 is connected with roll-setting gear 8 by snap fit；Upper layer stock guide 23, under
One end of layer stock guide 24 is connected by shaft 13 with handwheel 22, and the other end of upper layer stock guide 23, lower layer's stock guide 24
It is connected with bearing by shaft 13；Pedestal 10 is arranged in the bottom end of rack 6, and pedestal 10 passes through welding manner phase with rack 6
Connection；Pedestal 10 is connected with pedestal 11 by welding manner.
Specifically, the inside perforation of rack 6 is provided with rectangular-shaped sliding slot, and sliding block 20 is connected with sliding slot by sliding type
It connects, the spacing between pressure roller can be adjusted by the sliding of sliding block 20.
Specifically, rack 6 is connected with screw rod 21 by perforation mode, and rack 6 and the junction of screw rod 21 are provided with
Internal thread cooperates between rack 6 and screw rod 21, and screw rod 21 can drive the sliding block 20 of front end to be moved in rotation process
It is dynamic, so as to adjust the spacing between pressure roller, the thickness of plastic film is made to reach production requirement.
Specifically, the inside of the first pressure roller 12, the second pressure roller 15, third pressure roller 17, the 4th pressure roller 19 is equipped with electrical heating
Coil, and electric heating coil circularizes battle array in the inside of the first pressure roller 12, the second pressure roller 15, third pressure roller 17, the 4th pressure roller 19
Column-shaped is distributed, and is increased the heating surface (area) (HS of pressure roller, is improved the heating speed of pressure roller, and processing materials is enable to keep more soft
State, it is easy to process, electric heating coil circular array shape distribution so that the temperature of roller surface is more uniformly distributed.
Specifically, sliding block 20 is internally provided with bearing, and the both ends of the first pressure roller 12, the 4th pressure roller 19 pass through shaft 13
It is connected with the bearing inside sliding block 20, makes the first pressure roller 12, the 4th pressure roller 19 also can be between pressure roller under rotation status
Spacing is adjusted.
Specifically, the cross section of upper layer stock guide 23, lower layer's stock guide 24 is V-shaped, certain lead is played to processing materials
To effect, operating personnel need to can only guide the direction of travel of processing materials by shaking handwheel 22, without directly connecing
Material is touched, security risk is reduced.
Specifically used method and effect：
When equipment is run, driving motor 1 is driven by speed reducer 2, shaft coupling 3, transmission shaft 4 inside uni-drive gear box 5
Driving gear 16 rotates, and driving gear 16 drives first driven gear 14 at both ends, the rotation of the second driven gear 18, to realize
The rotation of second pressure roller 15 and third pressure roller 17 adjusts the first pressure roller 12 and the second pressure roller 15, third pressure by the rotation of rocking handle 9
Spacing between roller 17 and the 4th pressure roller 19 engages rocking handle 9 with roll-setting gear 8 after adjusting, completes to fix, processing materials
Enter equipment from the top of the first pressure roller 12 and the second pressure roller 15, processing materials are carried out by the first pressure roller 12 and the second pressure roller 15
Preliminary calendering, the angle of upper layer stock guide 23 is adjusted by handwheel 22, and processing materials are imported third pressure roller 17 and the 4th pressure roller
In 19 gap, rolled again, the angle of lower layer's stock guide 24 is adjusted by handwheel 22, the material after completion of processing is led
Go out device, complete calendering technology, the first pressure roller 12, the second pressure roller 15, third pressure roller 17, the 4th pressure roller 19 inside electricity is installed
Heating coil, and electric heating coil is in the first pressure roller 12, the inside cyclization of the second pressure roller 15, third pressure roller 17, the 4th pressure roller 19
Shape array-like is distributed, and is increased the heating surface (area) (HS of pressure roller, is improved the heating speed of pressure roller, processing materials is enable to keep more
Soft state, easy to process, the distribution of electric heating coil circular array shape makes the temperature of roller surface be more uniformly distributed.
In summary：A kind of plastic film four-roll calendaring device is connected with screw rod by perforation mode by rack,
And female setting is arranged in the junction of rack and screw rod, cooperates between rack and screw rod, screw rod is in rotation process
In the sliding block of front end can be driven to be moved, so as to adjust the spacing between pressure roller, the thickness of plastic film is made to reach production
It is required that；Electric heating coil, and electric heating wire are installed by the inside of the first pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller
It encloses and circularizes the setting of array-like distribution in the inside of the first pressure roller, the second pressure roller, third pressure roller, the 4th pressure roller, increase pressure
The heating surface (area) (HS of roller improves the heating speed of pressure roller, and processing materials is enable to keep more soft state, easy to process,
The distribution of electric heating coil circular array shape makes the temperature of roller surface be more uniformly distributed；Pass through upper layer stock guide, lower layer's stock guide
The V-shaped setting in cross section, processing materials are played with certain guiding role, operating personnel, which need to only pass through, shakes handwheel
The direction of travel of processing materials is guided, without being in direct contact material, reduces security risk；On through the above structure
It improves, there is structure design advantages of simple, transmission mechanism to connect, and compact, low noise, the heating speed of pressure roller is fast, surface temperature is equal
Even, operating personnel are without being in direct contact the small advantage of material, equipment safety hidden danger, to be deposited in effective solution existing apparatus
The problem of and deficiency.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of plastic film four-roll calendaring device, including：Driving motor（1）, speed reducer（2）, shaft coupling（3）, transmission shaft
（4）, uni-drive gear box（5）, rack（6）, reducer pedestal（7）, roll-setting gear（8）, rocking handle（9）, pedestal（10）, pedestal（11）、
First pressure roller（12）, shaft（13）, the first driven gear（14）, the second pressure roller（15）, driving gear（16）, third pressure roller
（17）, the second driven gear（18）, the 4th pressure roller（19）, sliding block（20）, screw rod（21）, handwheel（22）, upper layer stock guide（23）、
Lower layer's stock guide（24）；It is characterized in that：The reducer pedestal（7）Positioned at pedestal（11）Side, and reducer pedestal（7）The bottom of with
Seat（11）It is connected by welding manner；The speed reducer（2）Positioned at reducer pedestal（7）Top, and speed reducer（2）With deceleration
Engine base（7）It is connected by fixing bolt；The driving motor（1）Positioned at speed reducer（2）Side, and driving motor（1）With
Speed reducer（2）It is connected by snap fit；The transmission shaft（4）Positioned at speed reducer（2）The other side, and transmission shaft（4）With
Speed reducer（2）Pass through shaft coupling（3）It is connected；The driving gear（16）Positioned at uni-drive gear box（5）Inside, and driving tooth
Wheel（16）With transmission shaft（4）It is connected by snap fit；The uni-drive gear box（5）Mounted on rack（6）Outer wall on, and
Uni-drive gear box（5）With rack（6）It is connected by fixing bolt；First pressure roller（12）, the second pressure roller（15）, third pressure
Roller（17）, the 4th pressure roller（19）, upper layer stock guide（23）, lower layer's stock guide（24）It is arranged in rack（6）Inside；The shaft
（13）It is arranged in the first pressure roller（12）, the second pressure roller（15）, third pressure roller（17）, the 4th pressure roller（19）, upper layer stock guide（23）、
Lower layer's stock guide（24）Inside, and shaft（13）With the first pressure roller（12）, the second pressure roller（15）, third pressure roller（17）, the 4th
Pressure roller（19）, upper layer stock guide（23）, lower layer's stock guide（24）It is connected by embedded mode；First pressure roller（12）,
Four pressure rollers（19）One end pass through shaft（13）With sliding block（20）It is connected, and the first pressure roller（12）, the 4th pressure roller（19）It is another
One end passes through shaft（13）It is connected with bearing；Second pressure roller（15）One end pass through shaft（13）With the first driven gear
（14）It is connected, and the second pressure roller（15）The other end pass through shaft（13）It is connected with bearing；The third pressure roller（17）'s
One end passes through shaft（13）With the second driven gear（18）It is connected, and third pressure roller（17）The other end pass through shaft（13）With
Bearing is connected；First driven gear（14）, the second driven gear（18）It is arranged in uni-drive gear box（5）Inside, and
First driven gear（14）, the second driven gear（18）With driving gear（16）It is connected by engagement system；The screw rod
（21）It is arranged in sliding block（20）Side, and screw rod（21）With sliding block（20）It is connected by embedded mode；The screw rod（21）
The other end and rocking handle（9）It is connected by engaging；The roll-setting gear（8）It is fixedly mounted on rack（6）Outer wall on, and shake
Handle（9）With roll-setting gear（8）It is connected by snap fit；The upper layer stock guide（23）, lower layer's stock guide（24）One end
Pass through shaft（13）With handwheel（22）It is connected, and upper layer stock guide（23）, lower layer's stock guide（24）The other end pass through shaft
（13）It is connected with bearing；The pedestal（10）It is arranged in rack（6）Bottom end, and pedestal（10）With rack（6）Pass through welding
Mode is connected；The pedestal（10）With pedestal（11）It is connected by welding manner.
2. a kind of plastic film four-roll calendaring device according to claim 1, it is characterised in that：The rack（6）It is interior
Side perforation is provided with rectangular-shaped sliding slot, and sliding block（20）It is connected by sliding type with sliding slot.
3. a kind of plastic film four-roll calendaring device according to claim 1, it is characterised in that：The rack（6）With spiral shell
Bar（21）It is connected by perforation mode, and rack（6）With screw rod（21）Junction be provided with internal thread.
4. a kind of plastic film four-roll calendaring device according to claim 1, it is characterised in that：First pressure roller
（12）, the second pressure roller（15）, third pressure roller（17）, the 4th pressure roller（19）Inside electric heating coil, and electric heating wire are installed
Circle is in the first pressure roller（12）, the second pressure roller（15）, third pressure roller（17）, the 4th pressure roller（19）Inside circularize array-like point
Cloth.
5. a kind of plastic film four-roll calendaring device according to claim 1, it is characterised in that：The sliding block（20）It is interior
Portion is provided with bearing, and the first pressure roller（12）, the 4th pressure roller（19）Both ends pass through shaft（13）With sliding block（20）Internal axis
It holds and is connected.
6. a kind of plastic film four-roll calendaring device according to claim 1, it is characterised in that：The upper layer stock guide
（23）, lower layer's stock guide（24）Cross section it is V-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101733.8U CN207930968U (en) | 2018-01-22 | 2018-01-22 | A kind of plastic film four-roll calendaring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820101733.8U CN207930968U (en) | 2018-01-22 | 2018-01-22 | A kind of plastic film four-roll calendaring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207930968U true CN207930968U (en) | 2018-10-02 |
Family
ID=63649310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820101733.8U Expired - Fee Related CN207930968U (en) | 2018-01-22 | 2018-01-22 | A kind of plastic film four-roll calendaring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207930968U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976073A (en) * | 2020-08-04 | 2020-11-24 | 湖州骏才科技有限公司 | Calender for processing plastic film for film production |
| CN112387784A (en) * | 2020-10-26 | 2021-02-23 | 广州品发机电科技有限公司 | Width-adjustable rolling forming mechanism for bridge production |
| CN116690876A (en) * | 2023-08-07 | 2023-09-05 | 山东汇锋新材料有限公司 | Efficient calender |
-
2018
- 2018-01-22 CN CN201820101733.8U patent/CN207930968U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111976073A (en) * | 2020-08-04 | 2020-11-24 | 湖州骏才科技有限公司 | Calender for processing plastic film for film production |
| CN112387784A (en) * | 2020-10-26 | 2021-02-23 | 广州品发机电科技有限公司 | Width-adjustable rolling forming mechanism for bridge production |
| CN116690876A (en) * | 2023-08-07 | 2023-09-05 | 山东汇锋新材料有限公司 | Efficient calender |
| CN116690876B (en) * | 2023-08-07 | 2023-10-27 | 山东汇锋新材料有限公司 | Efficient calender |
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| 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: 20181002 Termination date: 20200122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |