CN208602048U - It is laminated aramid fiber composite board production equipment - Google Patents
It is laminated aramid fiber composite board production equipment Download PDFInfo
- Publication number
- CN208602048U CN208602048U CN201821115576.2U CN201821115576U CN208602048U CN 208602048 U CN208602048 U CN 208602048U CN 201821115576 U CN201821115576 U CN 201821115576U CN 208602048 U CN208602048 U CN 208602048U
- Authority
- CN
- China
- Prior art keywords
- tension
- aramid fiber
- aramid
- composite board
- rotary shaft
- 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- Withdrawn - After Issue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
- 229920006231 aramid fiber Polymers 0.000 title claims abstract description 42
- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 58
- 239000004760 aramid Substances 0.000 claims abstract description 49
- 229920003235 aromatic polyamide Polymers 0.000 claims abstract description 49
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 238000003475 lamination Methods 0.000 claims abstract description 17
- 238000007791 dehumidification Methods 0.000 claims abstract description 11
- 238000010030 laminating Methods 0.000 claims abstract description 9
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000010276 construction Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 4
- 238000012546 transfer Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims 1
- 238000004804 winding Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 229920001169 thermoplastic Polymers 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011162 core material Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Laminated Bodies (AREA)
Abstract
The utility model relates to mechanical equipment technical fields, and in particular to a kind of lamination aramid fiber composite board production equipment, comprising: unwinding device and laminating apparatus, unwinding device include tension-adjusting gear and heating and dehumidification device;Tension-adjusting gear includes tension servo roller, its both ends is connect with one end of two rocker arms respectively; the other end of rocker arm and fixed rotation axis connection, for being transmitted to aramid fabric, rotation center of the rocker arm in aramid fabric tension variation around fixed rotary shaft is rotated tension servo roller;Wherein, the end of fixed rotary shaft is provided with angular displacement sensor, while tension-adjusting gear is provided with resetting apparatus, and resetting apparatus is used to provide restoring force for the rotation of rocker arm;Heating and dehumidification device includes heating component and the supporting structure for being supported to heating component.By the technical solution of the utility model, aramid fabric can be effectively solved the problems, such as because brought by hygroscopicity and not wear-resisting property, to guarantee the quality of aramid fiber plastic composite board material.
Description
Technical field
The utility model relates to mechanical equipment technical fields, and in particular to a kind of lamination aramid fiber composite board production equipment.
Background technique
Aramid fiber thermoplastic composite plate generally uses covering+aramid fabric+thermoplastic resin+core material+thermoplastic resin+aramid fabric
The lamination of+covering is process, wherein the quality of aramid fabric has seriously affected the usability of aramid fiber plastic composite board material
Can, specifically, aramid fabric has serious hygroscopicity relative to other fibers during production, the increase of water content can be tight
Ghost image rings the mechanical property of product, simultaneously because aramid fiber surface is very smooth, aramid fabric friction stress can seriously become after pullling
Shape.
The presence of the above problem to receive certain resistance during managing aramid fiber thermoplastic composite plate quality
Hinder, a kind of research and development of novel laminated aramid fiber composite board production equipment become those skilled in the art's urgent problem to be solved.
Summary of the invention
Lamination aramid fiber composite board production equipment provided in the utility model can effectively solve aramid fabric because of hygroscopicity
With problem brought by not wear-resisting property, to guarantee the quality of aramid fiber plastic composite board material.
The technical scheme in the invention for solving the technical problem is:
In a first aspect, lamination aramid fiber composite board production equipment, comprising: unwinding device and laminating apparatus, it is described to unreel dress
It sets for being unreeled to the aramid fabric wound, the lamination of plate is completed by the laminating apparatus;Wherein, described to unreel dress
It sets including tension-adjusting gear and heating and dehumidification device;
The tension-adjusting gear includes tension servo roller, the both ends of tension servo roller one end with two rocker arms respectively
Connection, the other end of the rocker arm and fixed rotation axis connection, the tension servo roller are used to be transmitted the aramid fabric,
Rotation center of the rocker arm in the aramid fabric tension variation around the fixed rotary shaft is rotated;Wherein, described
The end of fixed rotary shaft is provided with angular displacement sensor, while the tension-adjusting gear is provided with resetting apparatus, described multiple
Position device is used to provide restoring force for the rotation of the rocker arm;
The heating and dehumidification device includes heating component and the supporting structure for being supported to the heating component.
Further, the heating component is set to aramid fiber yardage roll bottom, and the heating component bottom be provided with it is heat-insulated
Plate.
Further, the tension-adjusting gear further includes fabric guide roll, the fabric guide roll for changing the aramid fabric with
Cornerite between the tension servo roller.
Further, the resetting apparatus includes the mounting blocks of fixed setting, and the connection fixed rotary shaft and institute
State an at least spring for mounting blocks, wherein axial direction of the length direction of the spring perpendicular to the fixed rotary shaft.
Further, the fixed rotary shaft includes the construction section of sequentially connected cylindrical section and plate, the cylindrical section
For the fixation of the fixed rotary shaft, the construction section is used for the installation of spring.
Further, the unwinding device further includes fixed frame and mounting bracket, and the two relative movement is arranged, and described
Mobile to be fixedly mounted by one end and the fixed frame, the Hydraulic Cylinder that the other end is connect with the mounting bracket is realized,
Wherein the control signal of the hydraulic cylinder is obtained by offset detection of the detection device to the aramid fabric, wherein described hydraulic
For the telescopic direction of cylinder perpendicular to the direction of transfer of the aramid fabric, aramid fiber yardage roll and tension-adjusting gear are mounted on the installation
On bracket.
Further, the fixed frame and mounting bracket relative movement are arranged specifically, the mounting bracket bottom is set
It is equipped with roller structure, the fixed frame is provided with the track structure for being oriented to the roller structure.
After above-mentioned technical proposal, the utility model have it is below the utility model has the advantages that
Lamination aramid fiber composite board production equipment provided in the utility model, by the setting of heating and dehumidification device,
So that aramid fabric by lasting low-temperature heat, makes to form the dry aramid fiber yardage roll of a stream of hot air around aramid fiber yardage roll, prevent
Moisture absorption, while the rotation of aramid fiber yardage roll is driven by power device, aramid fabric is unreeled, aramid fabric is set around tension servo roller
On, when the tension of aramid fabric changes, rocker arm transmits the variation of tension, fixed rotary shaft rotation is driven, thus
Angular displacement sensor rotates and issues signal, and PLC control system changes the revolving speed of power device according to the power of signal, thus real
The Minimal Tension of existing aramid fabric is adjusted, the improvement in functionality of entire production equipment, effectively solves aramid fabric because of hygroscopicity and not wear-resisting
Problem brought by property, to guarantee the quality of aramid fiber plastic composite board material.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The some embodiments recorded in application, for those of ordinary skill in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram that aramid fiber composite board unwinding device is laminated in the utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the front view of Fig. 1;
Fig. 4 is that the position view of aramid fiber yardage roll, tension-adjusting gear and laminating apparatus (is set including the lamination positioned at right side
It is standby);
Fig. 5 is the structural schematic diagram of tension-adjusting gear;
Appended drawing reference: 1- aramid fiber yardage roll, 2- tension-adjusting gear, 21- tension servo roller, 22- rocker arm, the fixed rotation of 23-
Axis, 23a- cylindrical section, 23b- construction section, 24- angular displacement sensor, 3- fabric guide roll, 4- heating and dehumidification device, 41- heating group
Part, 42- supporting structure, 43- thermal insulation board, 51- mounting blocks, 52- spring, 6- fixed frame, 7- mounting bracket, 8- hydraulic cylinder, 9-
Electric cabinet, 10- roller structure, 11- track structure, 12- laminating apparatus, 13- aramid fabric.
Specific embodiment
In order to make those skilled in the art better understand the technical solutions in the application, below in conjunction with the application reality
The attached drawing in example is applied, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described implementation
Example is merely a part but not all of the embodiments of the present application.Based on the embodiment in the application, this field is common
The application protection all should belong in technical staff's every other embodiment obtained without making creative work
Range.The utility model is write in a progressive manner.
As shown in Fig. 1 ~ 5, it is laminated aramid fiber composite board production equipment, comprising: unwinding device and laminating apparatus 12 unreel dress
It sets for being unreeled to the aramid fabric 13 wound, the lamination of plate is completed by laminating apparatus 12;Wherein, unwinding device packet
Include tension-adjusting gear 2 and heating and dehumidification device 4;Tension-adjusting gear 2 include tension servo roller 21, the two of tension servo roller 21
End is connect with one end of two rocker arms 22 respectively, and the other end of rocker arm 22 is connect with fixed rotary shaft 23, and tension servo roller 21 is used for
Aramid fabric 13 is transmitted, rotation center of the rocker arm 22 in 13 tension variation of aramid fabric around fixed rotary shaft 23 is turned
It is dynamic;Wherein, the end of fixed rotary shaft 23 is provided with angular displacement sensor 24, while tension-adjusting gear 2 is provided with reset dress
It sets, resetting apparatus is used to provide restoring force for the rotation of rocker arm 22;Heating and dehumidification device 4 include heating component 41 and for pair
The supporting structure 42 that heating component 41 is supported, in above-described embodiment, by the setting of heating and dehumidification device 4, so that aramid fiber
Cloth 13 is made to form the dry aramid fiber yardage roll of a stream of hot air around aramid fiber yardage roll, prevents moisture absorption, together by lasting low-temperature heat
When by power device drive aramid fiber yardage roll 1 rotate, aramid fabric is unreeled, aramid fabric is set around on tension servo roller 21,
When the tension of aramid fabric changes, rocker arm 22 transmits the variation of tension, and fixed rotary shaft 23 is driven to rotate, thus
Angular displacement sensor 24 rotates and issues signal, and PLC control system changes the revolving speed of power device according to the power of signal, thus
Realize that the Minimal Tension of aramid fabric is adjusted, the deformation after avoiding aramid fabric stress from pullling, wherein resetting apparatus and tension servo
The lever construction that a pressure is amplified at geometry is formed by swing arm 22 between rod 21, so that the perception of tension variations is more
It is sensitive, so that control is more accurate.The improvement in functionality of entire production equipment, effectively solution aramid fabric are because of hygroscopicity and not
Problem brought by wearability, to guarantee the quality of aramid fiber plastic composite board material
During practical application, in order to guarantee that the heat of entire heating component 41 is concentrated towards aramid fiber yardage roll direction,
Heating component 41 is set to 1 bottom of aramid fiber yardage roll, and 41 bottom of heating component is provided with thermal insulation board 43, is avoided by thermal insulation board 43
Heat distributes downwards and influences heating efficiency.
As the preferred of above-described embodiment, unwinding device further includes fabric guide roll 3, fabric guide roll 3 for changing aramid fabric 13 with
Cornerite between tension servo roller 21 specifically by the setting of fabric guide roll 3, changes aramid fabric 13 and reaches tension servo
The angle of roller 21 changes simultaneously the cornerite between aramid fabric 13 and tension servo roller 21, so that aramid fabric 13 watches tension
The force direction for taking roller 21 easily facilitates perception of the rocker arm 22 to 13 tension of aramid fabric.Wherein, rocker arm 22 include it is in 90 ° ~ 150 °
Two flangings being arranged can enhance the intensity of rocker arm 22 by the setting of angle.
As the preferred of above-described embodiment, resetting apparatus includes the mounting blocks 51 of fixed setting, and is connected and fixed rotation
An at least spring 52 for axis 23 and mounting blocks 51, wherein axial direction side of the length direction of spring 52 perpendicular to fixed rotary shaft 23
To.
The above-mentioned installation for being set as spring 52 provides biggish space, certainly, herein can also be by around fixed rotation
Torsionspring that axis 23 is arranged etc. realizes above-mentioned purpose, but for technical solution relatively in this present embodiment, no image of Buddha
By conveniently realizing the installation of spring 52 in the technical program, specifically, one end of spring 52 can be hung on first
In fixed rotary shaft 23, the other end is hung on mounting blocks 51, then mounting blocks 51 is fixed, so that spring 52 reaches
To required tensional state, guarantee reset effect, wherein the elasticity modulus and quantity of spring 52 can according to actual needs quickly
Selection.
As the preferred of above-described embodiment, fixed rotary shaft 23 include sequentially connected cylindrical section 23a and construction section
23b, cylindrical section 23a are used to fix the fixation of rotary shaft 23, and construction section 23b is used for the installation of spring 52.
In the specific application process, the settable position installed convenient for spring 52 in fixed rotary shaft 23, such as Fig. 5 institute
Show, the construction section that two parallel planes form plate can be obtained by way of removing some materials in fixed rotary shaft 23
23b, consequently facilitating the installation of spring 52, it specifically can be realizing spring 52 in such a way that construction section 23b opens up hole location when installation
Hang, concrete mode can select according to actual needs.
In order to avoid due to aramid fabric 13 during transmission bring tension variations, the present embodiment due to offset problem
In this problem is solved in the following manner: unwinding device further includes fixed frame 6 and mounting bracket 7, and the two is opposite to move
Dynamic setting, and the movement is fixedly mounted by one end and fixed frame 6, the hydraulic cylinder 8 that the other end is connect with mounting bracket 7 pushes away
Dynamic to realize, wherein the control signal of hydraulic cylinder 8 is obtained by offset detection of the detection device to aramid fabric 13, wherein hydraulic cylinder 8
Telescopic direction perpendicular to the direction of transfer of aramid fabric 13, aramid fiber yardage roll 1 and tension-adjusting gear 2 are mounted on mounting bracket 7
On.
When concrete application, hydraulic cylinder 8 can also be realized by the power source of other forms, such as the screw rod group that motor is driven
Part etc., purpose can realize entire mounting bracket 7 perpendicular to the movement of 13 direction of transfer of aramid fabric, by above structure,
It is detected when by drift condition of the detection device to aramid fabric 13, and the shifting of the direction controlling mounting bracket 7 by offset
Dynamic direction.Wherein detection device can be realized by existing means, the side such as transmitting and reception of such as touch sensor or laser
Formula can determine its offset direction etc. to the cutting detection of laser by aramid fabric 13.
Electric cabinet 9 for being controlled with unwinding device entire lamination aramid fiber composite board equally may be disposed at installation
On bracket 7, to reduce the triviality of wiring.
Above-described embodiment is advanced optimized, fixed frame 6 and the relative movement of mounting bracket 7 setting are specifically, installation branch
7 bottom of frame is provided with roller structure 10, and fixed frame 6 is provided with the track structure 11 for being oriented to roller structure 10.
By the way that the relative movement between fixed frame 6 and mounting bracket 7 to be set as rolling, friction can be reduced, to increase correction
Sensitivity guarantees the constant tension of entire aramid fabric 13.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, originally
Utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and novelty
The consistent widest scope of feature.
Claims (7)
1. being laminated aramid fiber composite board production equipment characterized by comprising unwinding device and laminating apparatus (12), it is described to put
Winding apparatus completes the lamination of plate by the laminating apparatus (12) for unreeling to the aramid fabric (13) wound;Its
In, the unwinding device includes tension-adjusting gear (2) and heating and dehumidification device (4);The tension-adjusting gear (2) includes
The both ends of force servo roller (21), the tension servo roller (21) are connect with one end of two rocker arms (22) respectively, the rocker arm (22)
The other end connect with fixed rotary shaft (23), the tension servo roller (21) is used to be transmitted the aramid fabric (13),
The rocker arm (22) is turned in the aramid fabric (13) tension variation around the rotation center of the fixed rotary shaft (23)
It is dynamic;Wherein, the end of the fixed rotary shaft (23) is provided with angular displacement sensor (24), while the tension-adjusting gear
(2) it is provided with resetting apparatus, the resetting apparatus is used to provide restoring force for the rotation of the rocker arm (22);The heating and dehumidification
Device (4) includes heating component (41) and the supporting structure (42) for being supported to the heating component (41).
2. lamination aramid fiber composite board production equipment according to claim 1, which is characterized in that the heating component (41)
It is set to aramid fiber yardage roll (1) bottom, and the heating component (41) bottom is provided with thermal insulation board (43).
3. lamination aramid fiber composite board production equipment according to claim 1, which is characterized in that the tension-adjusting gear
(2) further include fabric guide roll (3), the fabric guide roll (3) for changing the aramid fabric (13) and the tension servo roller (21) it
Between cornerite.
4. lamination aramid fiber composite board production equipment according to claim 1, which is characterized in that the resetting apparatus includes
The mounting blocks (51) of fixed setting, and an at least spring for the connection fixed rotary shaft (23) and the mounting blocks (51)
(52), wherein axial direction of the length direction of the spring (52) perpendicular to the fixed rotary shaft (23).
5. lamination aramid fiber composite board production equipment according to claim 4, which is characterized in that the fixed rotary shaft
(23) include sequentially connected cylindrical section (23a) and plate construction section (23b), the cylindrical section (23a) be used for the fixation
The fixation of rotary shaft (23), the construction section (23b) are used for the installation of spring (52).
6. lamination aramid fiber composite board production equipment according to claim 1, which is characterized in that the unwinding device also wraps
Fixed frame (6) and mounting bracket (7), the two relative movement setting are included, and the movement passes through one end and the fixed frame
(6) it is fixedly mounted, the hydraulic cylinder (8) that the other end is connect with the mounting bracket (7), which pushes, to be realized, wherein the hydraulic cylinder (8)
Control signal the offset detection of the aramid fabric (13) is obtained by detection device, wherein the hydraulic cylinder (8) it is flexible
Perpendicular to the direction of transfer of the aramid fabric (13), aramid fiber yardage roll (1) and tension-adjusting gear (2) are mounted on the peace in direction
It fills on bracket (7).
7. lamination aramid fiber composite board production equipment according to claim 6, which is characterized in that the fixed frame (6)
It is described solid with mounting bracket (7) relative movement setting specifically, the mounting bracket (7) bottom is provided with roller structure (10)
Determine rack (6) and is provided with track structure (11) for being oriented to the roller structure (10).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821115576.2U CN208602048U (en) | 2018-07-16 | 2018-07-16 | It is laminated aramid fiber composite board production equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821115576.2U CN208602048U (en) | 2018-07-16 | 2018-07-16 | It is laminated aramid fiber composite board production equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208602048U true CN208602048U (en) | 2019-03-15 |
Family
ID=65668708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821115576.2U Withdrawn - After Issue CN208602048U (en) | 2018-07-16 | 2018-07-16 | It is laminated aramid fiber composite board production equipment |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208602048U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108673995A (en) * | 2018-07-16 | 2018-10-19 | 常州市新创智能科技有限公司 | It is laminated aramid fiber composite board production equipment |
-
2018
- 2018-07-16 CN CN201821115576.2U patent/CN208602048U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108673995A (en) * | 2018-07-16 | 2018-10-19 | 常州市新创智能科技有限公司 | It is laminated aramid fiber composite board production equipment |
CN108673995B (en) * | 2018-07-16 | 2023-11-14 | 常州市新创智能科技有限公司 | Laminated aramid composite board production equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN208602048U (en) | It is laminated aramid fiber composite board production equipment | |
CN103397490B (en) | Fiber spreading device | |
CN203079369U (en) | Braid winding device | |
CN208603420U (en) | Tension adjustment type is laminated aramid fiber composite board unwinding device | |
CN107627594A (en) | Multiple tube enhancing band wrapping machine | |
CN208856676U (en) | A kind of yarn unwinding device with tension force | |
CN108673995A (en) | It is laminated aramid fiber composite board production equipment | |
CN201132413Y (en) | Introducing and preprocessing device of printing machines for easy-to-draw coiling material | |
CN208086902U (en) | A kind of anti-offset rolling roll paper device | |
CN207618036U (en) | The water mist automatic detection device of cigarette package | |
CN217706496U (en) | Felt device is rolled up to rock wool felt with tectorial membrane device | |
CN214004927U (en) | Yarn piece length counting device of warping machine | |
CN215592238U (en) | Wool yarn processing device | |
CN204917378U (en) | Knitting volume cloth machine | |
CN207243066U (en) | A kind of upper paper device of machinery mount | |
CN209567669U (en) | A kind of Weaving device with automatic discharging function | |
CN208533144U (en) | Preheating device for carpet gluing | |
CN211566139U (en) | Ultra-long foam adhesive tape die-cutting machine | |
CN210532948U (en) | Heat treatment structure of roll paper tectorial membrane | |
CN201040436Y (en) | Two-dimensional space automatic tensioning device for coated film | |
RU2008129209A (en) | LENGTH MEASUREMENT DEVICE (OPTIONS) AND METHOD OF ITS USE (OPTIONS) | |
CN209617628U (en) | Packing machine film feeding mechanism | |
CN209037921U (en) | A kind of tubing transmission equipment and laminating machine | |
CN208104536U (en) | Vacuum coating equipment based on tension force | |
CN209037937U (en) | A kind of Chuan Mo mechanism and laminating machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20190315 Effective date of abandoning: 20231114 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20190315 Effective date of abandoning: 20231114 |
|
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |