CN207273829U - Screw rod material-absorbing type automatically cleaning continuous filter - Google Patents
Screw rod material-absorbing type automatically cleaning continuous filter Download PDFInfo
- Publication number
- CN207273829U CN207273829U CN201721291350.3U CN201721291350U CN207273829U CN 207273829 U CN207273829 U CN 207273829U CN 201721291350 U CN201721291350 U CN 201721291350U CN 207273829 U CN207273829 U CN 207273829U
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- China
- Prior art keywords
- suction block
- screw rod
- discharge
- screen pack
- dirty
- 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.)
- Withdrawn - After Issue
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 126
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000001914 filtration Methods 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010521 absorption reaction Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 2
- 239000012535 impurity Substances 0.000 description 9
- 229920003023 plastic Polymers 0.000 description 8
- 239000004033 plastic Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The technical solution of the utility model is a kind of screw rod material-absorbing type automatically cleaning continuous filter,Including filter nacelle,It is connected to the hatch door of its bottom and screen pack on its interior,The inlet port and outlet port for being located at screen pack both sides respectively are provided with the filter nacelle,Further include the suction block inside filter nacelle and the suction block driving device positioned at filter nacelle top outer,The suction block is located at screen pack close to the side of feed inlet and is in close contact with screen pack,The drive shaft of the suction block driving device is rotated through driving suction block after filter nacelle and screen pack endoporus,The side that the suction block is contacted with screen pack is provided with material sucking port,Suction block is provided with discharge gate on the side away from screen pack,Material sucking port is connected with discharge gate,Flow guide sleeve is provided with the hatch door,Discharge gate sealing at the top of flow guide sleeve with suction block coordinates,Flow guide sleeve is internally provided with discharge screw rod,Discharge screw rod lower end is driven after passing through hatch door by discharge driving device.
Description
Technical field
The present invention relates to a kind of filter, more particularly, to a kind of screw rod material-absorbing type automatically cleaning continuous filter.
Background technology
The plastic flat filament drawing machine group manufacture, sell both at home and abroad, using at present, plastic round wire wire drawing unit, plastic extrusion
The plastic extruder of the hosts such as film unit, plastic membrane blowing unit, plastic calender group, the plastic raw materials under molten condition are being moulded
Material extruder melting extrusion must first pass through filtering before being molded to die head, and the current most common melt filtration structure overwhelming majority is
Strainer must be often replaced, but the filter efficiency of strainer is relatively low, since impurity is more during especially with recycled plastics polymers, replaced
Strainer is frequent, and draping labor intensity is big, wastes raw material and electric energy, adds cost and unnecessary trouble, when strainer is changed in shutdown,
Seriously affect normal production.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of screw rod material-absorbing type automatically cleaning continuous filter, its structure is novel, energy
Automatic cleaning is attached to the impurity on strainer while filter works, and can significantly extend the effective time of strainer,
Improve work efficiency.
The technical scheme is that a kind of screw rod material-absorbing type automatically cleaning continuous filter, including filter nacelle, connection
Hatch door and screen pack on its interior in its bottom, are provided with the filter nacelle and are located at screen pack two respectively
The inlet port and outlet port of side, further include suction block inside filter nacelle and positioned at filter nacelle top outer
Suction block driving device, the suction block are located at screen pack close to the side of feed inlet and are in close contact with screen pack, institute
The drive shaft for stating suction block driving device is rotated through driving suction block after filter nacelle and screen pack endoporus, the suction
The side that block is contacted with screen pack is provided with material sucking port, and suction block is provided with discharge gate on the side away from screen pack, inhales
Material mouth is connected with discharge gate, and flow guide sleeve is provided with the hatch door, and flow guide sleeve top and the discharge gate sealing of suction block coordinate,
Flow guide sleeve is internally provided with discharge screw rod, and discharge screw rod lower end is driven after passing through hatch door by discharge driving device.
Preferably, the material sucking port on the suction block is provided with suction spiral shell in flow guide sleeve axis direction, material sucking port
Bar, suction screw rod one end pass through bevel gear engaged transmission with discharge screw tip.
Preferably, the discharge screw rod outer surface positioned at hatch door outboard section is provided with material recycle cabin, material recycle
There is the material storing chamber with filtration apparatus inside cabin, material recycle cabin middle part side offers the confession being connected with material storing chamber
The duct of material discharge.
Preferably, the positive Middle face of suction block offers the mounting hole of connection suction block driving device drive shaft, described
Material sucking port is the dirty material holding tank arranged along its length on the suction block front of mounting hole both sides, and holding tank is expected in the dirt
It is connected with the discharge gate at the suction block back side.
Preferably, the positive side end of the suction block offers the mounting hole of connection suction block driving device drive shaft,
The material sucking port is the dirty material holding tank arranged along its length on the suction block front of mounting hole side, and the dirty material is deposited
Storage tank is connected with the discharge gate at the suction block back side.
Preferably, the position on the suction block on front side of dirty material holding tank opens up fluted, groove along its length
Upper inclination is placed with rewinding blade, and the duct flowed through for material is offered on the dirt material holding tank side wall adjacent with rewinding blade,
Rewinding blade front end face is concordant with suction block front.
Preferably, the positive Middle face of suction block offers the mounting hole of connection suction block driving device drive shaft, described
Material sucking port is the dirty material drawing section on the suction block front of mounting hole both sides, the quantity of the dirty material drawing section be it is multiple,
There are multiple dirty material to draw hole on each dirty material drawing section, dirt material draws bottom hole portion and is connected with the discharge gate at the suction block back side.
Preferably, the material sucking port is the dirt arranged along its length on the suction block front of mounting hole both sides
Expect holding tank, be correspondingly arranged fluted on the suction block in front of the dirty material holding tank in the left side, tilted on groove and be placed with receipts
Expect blade, multiple dirty material are correspondingly arranged on the dirty suction block expected in front of holding tank on the right side and draw hole, dirt expects to draw hole
Bottom connects discharge gate.Suction block is divided into two parts, and a part of surface sets rewinding blade, will be adhered in rotary course
The dirty material of strainer plate surface scrapes and enters dirty material holding tank inside suction block, and dirt material holding tank is internally provided with suction screw rod,
Under the action of suction screw rod, discharge screw surface that dirty material is discharged downstream；Another part of suction block, surface are designed with quantity
The dirty material not waited draws hole, expects to draw the vacuum action in hole by dirty, suctions out the dirty material inside filter screen plate hole, expect into dirt
Holding tank, dirt material holding tank are internally provided with suction screw rod, and under the action of screw rod, dirty material is discharged into the discharge screw rod in downstream
In portion's pipeline.
Preferably, the inlet port and outlet port are located at the opposite two sides of filter nacelle.
Preferably, the suction block driving device and discharge driving device include motor and retarder respectively.
Structure of the present invention is novel, can clear up the impurity being attached on strainer automatically while filter works, can be significantly
Degree extends the effective time of strainer, the filter efficiency of strainer greatly improved so that impurity can be by instant discharge filter
Outside, improves work efficiency, and reduces production cost.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the explosive view of the present invention；
Fig. 3 is the explosive view for removing another visual angle after part-structure in Fig. 2；
Fig. 4 is the structure diagram of the first suction block of the invention；
Fig. 5 is the partial sectional view of Fig. 4；
Fig. 6 is the structure diagram of second of suction block of the invention；
Fig. 7 is the partial sectional view of Fig. 6；
Fig. 8 is the structure diagram of the third suction block of the invention；
Fig. 9 is the partial sectional view of Fig. 8；
Figure 10 is the structure diagram of the 4th kind of suction block of the invention；
Figure 11 is the structure diagram of the 5th kind of suction block of the invention；
Wherein：1-filter nacelle；2-hatch door；3-screen pack；4-feed inlet；5-discharge port；6-suction block；
7-suction block driving device；8-material sucking port；9-discharge gate；10-flow guide sleeve；11-discharge screw rod；12-discharge driving dress
Put；13-mounting hole；14-dirt material holding tank；15-rewinding blade；16-dirt material drawing section；17-dirt material draws hole；18—
Suction screw rod；19-material recycle cabin；20-material storing chamber.
Embodiment
Below in conjunction with the accompanying drawings, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, the present invention provides a kind of screw rod material-absorbing type automatically cleaning continuous filter, including filter
Nacelle 1, the hatch door 2 for being connected to its bottom and screen pack 3 on its interior, are provided with difference in the filter nacelle 1
Feed inlet 4 and discharge port 5 positioned at 3 both sides of screen pack, further include the suction block 6 inside filter nacelle 1 and are located at
The suction block driving device 7 of 1 top outer of filter nacelle, the suction block 6 are located at screen pack 3 close to the one of feed inlet 4
Side is simultaneously in close contact with screen pack 3, and the drive shaft of the suction block driving device 7 passes through filter nacelle 1 and screen pack 3
Suction block 6 is driven to rotate after endoporus, the suction block 6 is provided with material sucking port 8 with the side that screen pack 3 contacts, and suction block 6 is remote
Discharge gate 9 is provided with side from screen pack 3, material sucking port 8 is connected with discharge gate 9, and water conservancy diversion is provided with the hatch door 2
Set 10, the top of flow guide sleeve 10 and the sealing of discharge gate 9 of suction block 6 coordinate, and flow guide sleeve 10 is internally provided with discharge screw rod 11, discharge
11 lower end of screw rod is driven after passing through hatch door 2 by discharge driving device 12.
Preferably, the material sucking port 8 on the suction block 6 is provided with suction in 10 axis direction of flow guide sleeve, material sucking port 8
Expect screw rod 18,18 one end of suction screw rod passes through bevel gear engaged transmission with 11 top of discharge screw rod.
Preferably, 11 outer surface of discharge screw rod positioned at 2 outboard section of hatch door is provided with material recycle cabin 19, material
There is the material storing chamber 20 with filtration apparatus inside recovery capsule 19,19 middle part side of material recycle cabin offers and material storing chamber
20 ducts for material discharge being connected, carry out secondary filter, the cleaning material for carrying impurity are filtered out, is returned
Receive.
Preferably, as shown in Figure 4 and Figure 5, the 6 positive Middle face of suction block offers connection suction block driving device 7 and drives
The mounting hole 13 of moving axis, the material sucking port 8 are the dirt arranged along its length on 6 front of suction block of 13 both sides of mounting hole
Expect holding tank 14, the dirty material holding tank 14 is connected with the discharge gate 9 at 6 back side of suction block.
Preferably, as shown in Figure 6 and Figure 7, the positive side end of the suction block 6 offers connection suction block driving device
The mounting hole 13 of 7 drive shafts, the material sucking port 8 are to be arranged along its length on 6 front of suction block of 13 side of mounting hole
Dirty material holding tank 14, the dirty material holding tank 14 is connected with the discharge gate 9 at 6 back side of suction block.
Preferably, as shown in Figure 8 and Figure 9, the dirty position for expecting the front side of holding tank 14 is located on the suction block 6 along length side
It is fluted to opening up, tilted on groove and be placed with rewinding blade 15, on dirt material holding tank 14 side wall adjacent with rewinding blade 15
The duct flowed through for material is offered, 15 front end face of rewinding blade is positive concordant with suction block 6, and the quantity of rewinding blade 15 can be with
For 1-8.In the dirty rewinding blade 15 expected to arrange before accumulator tank 14 and do not waited, effect is before suction, can will be attached to filtering
The material on 3 surface of web plate is taken in dirty material accumulator tank 14 in advance.
Preferably, as shown in Figure 10, the 6 positive Middle face of suction block offers 7 drive shaft of connection suction block driving device
Mounting hole 13, the material sucking port 8 is the dirty material drawing section 16 on 6 front of suction block of 13 both sides of mounting hole, the dirt
The quantity for expecting drawing section 16 is multiple, has multiple dirty material to draw hole 17 on each dirty material drawing section 16, dirt material draws 17 bottom of hole
It is connected with the discharge gate 9 at 6 back side of suction block.Dirty material drawing section 16 at 2-5 can be specifically set respectively in 8 both sides of material sucking port,
The dirty material of at least ten is set to draw hole 17 on each dirty material drawing section 16, to reach more preferable suction effect.
Preferably, as shown in figure 11, the material sucking port 8 is positioned at the upper edge in the front of suction block 6 of 13 both sides of mounting hole
The dirty material holding tank 14 of length direction arrangement, the dirt in the left side is expected to be correspondingly arranged on the suction block 6 in the front of holding tank 14 recessed
Groove, tilts on groove and is placed with rewinding blade 15, is correspondingly arranged on the suction block 6 in dirty 14 front of material holding tank on the right side
Multiple dirty material draw hole 17, and dirt material draws 17 bottom of hole connection discharge gate 9, preferably reaches the effect of suction.
Preferably, the feed inlet 4 and discharge port 5 are located at the opposite two sides of filter nacelle 1.
Preferably, the suction block driving device 7 and discharge driving device 12 include motor and retarder respectively.
During working status, the material of molten condition flows at the feed inlet 4 of filter nacelle 1, and material is located at filter
Enter in nacelle 1 close to the side of feed inlet 4, material after the filtering of sieve plate 3 in filter nacelle 1 close to discharge port 5
Side, then flowed out through discharge port 5.Period, the impurity in material can be deposited in screen pack 3 on the side of feed inlet 4 and
The mesh of screen pack 3 is blocked, at the same time, suction block driving device 7 drives suction block 6 to rotate, and suction block 6 is scraping filter screen
Impurity is sucked in material sucking port 8 in company with small part material together while plate 3, since material sucking port 8 is connected with discharge gate 9, and
9 rear of discharge gate has discharge driving device 12 to drive rotating discharge screw rod 11 so that impurity and a small amount of material are together through discharge
This passage of screw rod 11 is discharged outside filter nacelle 1.And suction screw rod 18 is further set in material sucking port 8 so that
Material is further inhaled into material sucking port 8, and in this process, suction block 6 carries out 360 ° around 7 drive shaft of suction block driving device
Rotation, because 6 front material sucking port of suction block, 8 periphery is fitted closely with screen pack 3, when material is normally extruded, whole suction block 6
Periphery forms a high pressure situation, but the sealing function on 8 periphery of material sucking port because of suction block 6, so being internally formed material sucking port 8
The area of space of one intimate vacuum, under the action of back pressure, material enters in the reverse backflow that after screen pack 3, is bound to
The inside of suction block 6, while the impurity recoil that will be attached to screen pack 3 into charge level enters inside the material sucking port 8 of suction block 6.
Discharge screw rod 11 is under the action of the discharge driving device 12 of itself, with screw pump principle, dirt material is strong in rotary course
System suctions out, and is thrown into outside filter nacelle 1, the start and stop of discharge screw rod 11 are controlled according to time or pressure.Using
Suction block driving device 7 controls the start and stop of suction block 6 and rotating speed, discharge driving device according to the needs and setting of itself in journey
12 control the start and stop of discharge screw rod 11 and rotating speed according to the needs and setting of itself.
The above, is only the better embodiment of the present invention, not makees limitation in any form to invention, it is every according to
According to the technical principle of the present invention to any simple modification, equivalent variations or modification made for any of the above embodiments, the present invention is still fallen within
In the range of technical solution.
Claims (10)
1. a kind of screw rod material-absorbing type automatically cleaning continuous filter, including filter nacelle（1）, be connected to the hatch door of its bottom（2）
With screen pack on its interior（3）, the filter nacelle（1）On be provided with and be located at screen pack respectively（3）Both sides
Feed inlet（4）And discharge port（5）, it is characterised in that：Further include and be located at filter nacelle（1）Internal suction block（6）With positioned at
Filter nacelle（1）The suction block driving device of top outer（7）, the suction block（6）Positioned at screen pack（3）Close to charging
Mouthful（4）Side and and screen pack（3）It is in close contact, the suction block driving device（7）Drive shaft pass through filter cabin
Body（1）And screen pack（3）Suction block is driven after endoporus（6）Rotate, the suction block（6）With screen pack（3）The one of contact
Side is provided with material sucking port（8）, suction block（6）Away from screen pack（3）Side on be provided with discharge gate（9）, material sucking port（8）With
Discharge gate（9）It is connected, the hatch door（2）On be provided with flow guide sleeve（10）, flow guide sleeve（10）Top and suction block（6）Discharge
Mouthful（9）Sealing coordinates, flow guide sleeve（10）It is internally provided with discharge screw rod（11）, discharge screw rod（11）Lower end passes through hatch door（2）Afterwards
Pass through discharge driving device（12）Driving.
2. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1, it is characterised in that：The suction block（6）
On material sucking port（8）Perpendicular to flow guide sleeve（10）Axis direction, material sucking port（8）Suction screw rod is inside installed（18）, suction screw rod
（18）One end and discharge screw rod（11）Top passes through bevel gear engaged transmission.
3. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1 or 2, it is characterised in that：It is described to be located at cabin
Door（2）The discharge screw rod of outboard section（11）Outer surface is provided with material recycle cabin（19）, material recycle cabin（19）There is band in inside
The material storing chamber of filtration apparatus（20）, material recycle cabin（19）Middle part side offers and material storing chamber（20）It is connected
For the duct of material discharge.
4. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1, it is characterised in that：The suction block（6）
Positive Middle face offers connection suction block driving device（7）The mounting hole of drive shaft（13）, the material sucking port（8）For positioned at installation
Hole（13）The suction block of both sides（6）The dirty material holding tank arranged along its length on front（14）, the dirty material holding tank（14）
With suction block（6）The discharge gate at the back side（9）It is connected.
5. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1, it is characterised in that：The suction block（6）
A positive side end offers connection suction block driving device（7）The mounting hole of drive shaft（13）, the material sucking port（8）For positioned at
Mounting hole（13）The suction block of side（6）The dirty material holding tank arranged along its length on front（14）, the dirty material holding tank
（14）With suction block（6）The discharge gate at the back side（9）It is connected.
6. screw rod material-absorbing type automatically cleaning continuous filter according to claim 4 or 5, it is characterised in that：The suction block
（6）It is upper to expect holding tank positioned at dirty（14）The position of front side open up along its length it is fluted, on groove tilt be placed with rewinding knife
Piece（15）, dirt material holding tank（14）With rewinding blade（15）The duct flowed through for material, rewinding knife are offered on adjacent side wall
Piece（15）Front end face and suction block（6）It is positive concordant.
7. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1, it is characterised in that：The suction block（6）
Positive Middle face offers connection suction block driving device（7）The mounting hole of drive shaft（13）, the material sucking port（8）For positioned at installation
Hole（13）The suction block of both sides（6）Dirty material drawing section on front（16）, the dirty material drawing section（16）Quantity to be multiple, often
A dirty material drawing section（16）On there are multiple dirty material to draw holes（17）, dirt material absorption hole（17）Bottom and suction block（6）The row at the back side
Material mouth（9）It is connected.
8. screw rod material-absorbing type automatically cleaning continuous filter according to claim 2, it is characterised in that：The material sucking port（8）
For positioned at mounting hole（13）The suction block of both sides（6）The dirty material holding tank arranged along its length on front（14）, wherein left side
Dirty material holding tank（14）The suction block in front（6）On be correspondingly arranged it is fluted, on groove tilt be placed with rewinding blade（15）,
The dirty material holding tank on right side（14）The suction block in front（6）On be correspondingly arranged on multiple dirty material and draw holes（17）, dirt material absorption hole
（17）Bottom connects discharge gate（9）.
9. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1, it is characterised in that：The feed inlet（4）
And discharge port（5）Positioned at filter nacelle（1）Opposite two sides.
10. screw rod material-absorbing type automatically cleaning continuous filter according to claim 1, it is characterised in that：The suction block drives
Dynamic device（7）With discharge driving device（12）Include motor and retarder respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291350.3U CN207273829U (en) | 2017-10-09 | 2017-10-09 | Screw rod material-absorbing type automatically cleaning continuous filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721291350.3U CN207273829U (en) | 2017-10-09 | 2017-10-09 | Screw rod material-absorbing type automatically cleaning continuous filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207273829U true CN207273829U (en) | 2018-04-27 |
Family
ID=61989124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721291350.3U Withdrawn - After Issue CN207273829U (en) | 2017-10-09 | 2017-10-09 | Screw rod material-absorbing type automatically cleaning continuous filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207273829U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856274A (en) * | 2017-10-09 | 2018-03-30 | 浙江精诚模具机械有限公司 | Screw rod material-absorbing type automatically cleaning continuous filter |
-
2017
- 2017-10-09 CN CN201721291350.3U patent/CN207273829U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107856274A (en) * | 2017-10-09 | 2018-03-30 | 浙江精诚模具机械有限公司 | Screw rod material-absorbing type automatically cleaning continuous filter |
| CN107856274B (en) * | 2017-10-09 | 2024-02-20 | 浙江精诚模具机械有限公司 | Screw rod suction type self-cleaning continuous filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 318020 88 Jianye Road, new front street, Huangyan District, Taizhou, Zhejiang Patentee after: JINGCHENG TIMES (ZHEJIANG) MOLD MACHINERY Co.,Ltd. Address before: 318020 888 Jianye Road, new front street, Huangyan District, Taizhou, Zhejiang Patentee before: JINGCHENG TIMES (ZHEJIANG) MOLD MACHINERY Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20240220 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180427 Effective date of abandoning: 20240220 |