CN109866419A - A kind of high-precision injection photosensitive polymer 3D printer and its working method - Google Patents
A kind of high-precision injection photosensitive polymer 3D printer and its working method Download PDFInfo
- Publication number
- CN109866419A CN109866419A CN201711270435.8A CN201711270435A CN109866419A CN 109866419 A CN109866419 A CN 109866419A CN 201711270435 A CN201711270435 A CN 201711270435A CN 109866419 A CN109866419 A CN 109866419A
- Authority
- CN
- China
- Prior art keywords
- workbench
- photosensitive polymer
- control module
- laser
- module
- 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.)
- Pending
Links
Abstract
The present invention relates to a kind of high-precision injection photosensitive polymer 3D printer and its working methods, this 3D printer, it include: workbench, wireless communication unit, for controlling driving mechanism of the workbench to bottom offset, the control module that is connected with the wireless communication unit, and the translation mechanism controlled by the control module;Wherein a spray head is lifted with below the translation mechanism;The control module is suitable for receiving type information by wireless communication unit, and controlling translation mechanism drive spray head, surface layer-by-layer sprays photosensitive polymer on the table according to type information, and after one layer of injection, driving mechanism is controlled to bottom offset certain altitude.
Description
Technical field
The present invention relates to 3D printing technique fields, and in particular to a kind of high-precision injection photosensitive polymer 3D printer and its
Working method.
Background technique
Currently, 3D printer is also known as three-dimensional printer, it is a kind of using rapid prototyping technology, is with digital model file
Basis constructs the printing device of three-dimensional entity by layer-by-layer printing using moulding material.With 3D printing technique
Fast development, 3D printer has been widely used in product manufacturing industry.3D printing technique is known as " third time industry leather
Life ", is widely used in the fields such as industry, medical treatment, teaching, aerospace.3D printing basic principle be layering processing,
Superposition forming, i.e., generate 3D entity by successively increasing material, and when carrying out 3D printing, software passes through computer aided design skill
Art (CAD) completes a series of digital slices, and these information being sliced are transmitted on 3D printer, and 3D printer will be continuous
Slim level be stacked up, until solid body forms, complete 3D printing.The mainstream technology of 3D printing technique includes
Stereo Lithography technology (SLA), injection photosensitive polymer (PolyJet), fused glass pellet (FDM), selective laser melting
Technology (SLM), digital optical processing technique (DLP), 3 D-printing cohere molding (3DP) etc..
Summary of the invention
The object of the present invention is to provide a kind of high-precision injection photosensitive polymer 3D printer and its working methods, to realize
Wireless printing improves the compatibility of print data access.
In order to solve the above-mentioned technical problems, the present invention provides a kind of 3D printers, comprising:
Workbench, wireless communication unit are connected for controlling workbench to the driving mechanism of bottom offset, with the wireless communication unit
Control module, and the translation mechanism controlled by the control module;Wherein
A spray head is lifted with below the translation mechanism;
The control module be suitable for by wireless communication unit receive type information, and control translation mechanism drive spray head according to
Surface layer-by-layer sprays photosensitive polymer to type information on the table, and after one layer of injection, control driving mechanism to
Bottom offset certain altitude.
Further, the wireless communication unit includes: bluetooth module, NFC module, WiFi module and 4G module, and is distinguished
It is electrically connected with control module, and above-mentioned each module will distinguish received type information within a certain period of time and be arranged according to receiving time
Team's printing.
Further, the 3D printer further include:
UV ultraviolet lamp solidifies photosensitive polymer for irradiating injection photosensitive polymer on workbench;
Laser generator, for irradiating the photosensitive polymer sprayed on workbench;
The image detection device being obliquely installed, for acquiring the figure for the adjacent upper and lower layer photosensitive polymer being irradiated with a laser respectively
Picture;
The control module is suitable for judging according to the image acquired the height of the photosensitive polymer of adjacent upper and lower layer, and root twice
According to the downward shift length of above-mentioned altitude information control driving mechanism adjustment workbench.
Further, the control module is suitable for mimeograph documents information resolving into multilayer, and forms what every layer of needs printed
Information collection;
The laser generator emits laser to workbench, and the image U1 of image acquisition device laser on the table makees
For lower image;
The control module control spray head sprays photosensitive polymer to workbench according to the information collection, and ultraviolet by the UV
Light lamp solidifies photosensitive polymer;
The laser emitter emits laser to the workbench again, and described image detection device detects the figure of illuminated laser spot
As U2, it is transmitted to control module as upper layer images, and by the upper layer images, the control module is according to movement images U1 and figure
As the height H of this determining injection photosensitive polymer of the difference of U2, drive workbench to bottom offset to control the driving device
Height H.
Further, the laser emitter is suitable for along workbench horizontal movement, and its optical path vertical table is arranged.
Further, during the laser emitter horizontal movement, described image detection device is suitable for M image of acquisition
The U1 and N number of image U2 of acquisition is simultaneously transmitted to control module, wherein
M>5,N>5。
Another aspect, the present invention also provides a kind of working methods of 3D printer.
The working method includes: workbench, wireless communication unit, for controlling driving machine of the workbench to bottom offset
Structure, the control module being connected with the wireless communication unit, and the translation mechanism controlled by the control module;Wherein
A spray head is lifted with below the translation mechanism;
The control module be suitable for by wireless communication unit receive type information, and control translation mechanism drive spray head according to
Surface layer-by-layer sprays photosensitive polymer to type information on the table, and after one layer of injection, control driving mechanism to
Bottom offset certain altitude.
Further, the wireless communication unit includes: bluetooth module, NFC module, WiFi module and 4G module, and is distinguished
It is electrically connected with control module, and above-mentioned each module will distinguish received type information within a certain period of time and be arranged according to receiving time
Team's printing.
Further, the 3D printer further include:
UV ultraviolet lamp solidifies photosensitive polymer for irradiating injection photosensitive polymer on workbench;
Laser generator, for irradiating the photosensitive polymer sprayed on workbench;
The image detection device being obliquely installed, for acquiring the figure for the adjacent upper and lower layer photosensitive polymer being irradiated with a laser respectively
Picture;
The control module is suitable for judging according to the image acquired the height of the photosensitive polymer of adjacent upper and lower layer, and root twice
According to the downward shift length of above-mentioned altitude information control driving mechanism adjustment workbench.
Further, the control module is suitable for mimeograph documents information resolving into multilayer, and forms what every layer of needs printed
Information collection;
The laser generator emits laser to workbench, and the image U1 of image acquisition device laser on the table makees
For lower image;
The control module control spray head sprays photosensitive polymer to workbench according to the information collection, and ultraviolet by the UV
Light lamp solidifies photosensitive polymer;
The laser emitter emits laser to the workbench again, and described image detection device detects the figure of illuminated laser spot
As U2, it is transmitted to control module as upper layer images, and by the upper layer images, the control module is according to movement images U1 and figure
As the height H of this determining injection photosensitive polymer of the difference of U2, drive workbench to bottom offset to control the driving device
Height H.
The invention has the advantages that 3D printer and its working method of the invention, to realize wireless printing, raising is beaten
The compatibility of data access is printed, specifically, can be with compatible bluetooth, the one or more radio connections of NFC, WiFi and 4G, it can
Type information is sent to receive respective wireless communication simultaneously, and received type information will be distinguished within a certain period of time according to reception
Time lines up to print.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the functional block diagram of 3D printer of the invention;
Fig. 2 is the structural schematic diagram of 3D printer of the invention;
In figure: spray head 1, translation mechanism 2, workbench 3, driving device 4, UV ultraviolet lamp 5, laser generator 6, image detection dress
Set 7.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
As depicted in figs. 1 and 2, a kind of 3D printer is present embodiments provided, comprising: workbench 3, is used for wireless communication unit
Driving mechanism of the control workbench 3 to bottom offset, the control module that is connected with the wireless communication unit, and by the control module
The translation mechanism 2 of control;Wherein the lower section of the translation mechanism 2 is lifted with a spray head 1;The control module is suitable for by wireless
Communication unit receive type information, and control translation mechanism 2 drive spray head 1 according to type information 3 upper surface of workbench by
Layer injection photosensitive polymer, and after one layer of injection, driving mechanism is controlled to bottom offset certain altitude.
In the present embodiment, translation mechanism 2 can realize spray head 1 according to beating using X-axis servo motor, Y-axis servo motor
Official seal breath carries out mobile spraying.
The driving mechanism can also use screw body, realize elevating control.
In the present embodiment, the control module can be realized using embedded control panel.
The wireless communication unit includes: bluetooth module, NFC module, WiFi module and 4G module, and respectively with control mould
Block is electrically connected, and will above-mentioned each module respectively according to receiving time line up to print by received type information within a certain period of time.
Existing injection photosensitive polymer 3D printer, usually spray and complete one layer of printing aftertable 3 to
Lower movement certain distance, since the photosensitive polymer height that it is sprayed every time is not fully identical, printer is when using one section
Between after, the height of distance and photosensitive polymer that workbench 3 moves downward may mismatch, to influence printing effect,
Therefore, to solve the above-mentioned problems, the 3D printer of the present embodiment further include: UV ultraviolet lamp 5, two and it is solid respectively
3 two sides of workbench are scheduled on, for irradiating injection photosensitive polymer on workbench 3 photosensitive polymer are solidified;Laser generator
6, for irradiating the photosensitive polymer sprayed on workbench 3;The image detection device 7 being obliquely installed is swashed respectively for acquiring
The image of the adjacent upper and lower layer photosensitive polymer of light irradiation;The control module is suitable for judging phase according to the image acquired twice
The height of the photosensitive polymer of adjacent upper and lower layer, and according to above-mentioned altitude information control driving mechanism adjustment workbench 3 to bottom
Move distance.
Preferably, described image detection device 7 can be set to the angle of 3 horizontal plane of workbench be 45 °, 60 ° etc..
The control module is suitable for mimeograph documents information resolving into multilayer, and forms every layer of information collection for needing to print;
The laser generator 6 to workbench 3 emit laser, image U1 of the image acquisition device laser on workbench 3, as
Lower image;The control module control spray head 1 sprays photosensitive polymer to workbench 3 according to the information collection, and passes through institute
Stating UV ultraviolet lamp 5 solidifies photosensitive polymer;The laser emitter emits laser to the workbench 3 again, described
Image detection device 7 detects the image U2 of illuminated laser spot, is transmitted to control mould as upper layer images, and by the upper layer images
Block, the control module determines the height H of this injection photosensitive polymer according to the difference of movement images U1 and image U2, with control
It makes the driving device 4 and drives the downward displacement height H of workbench 3.
The laser emitter is suitable for along 3 horizontal movement of workbench, and its optical path vertical table 3 is arranged.In this implementation
In example, the laser emitter can use linear laser, to sweep away entire workbench 3, the top of the Laser emission pole
It also is provided with being suitable for the screw body of its translation, which is controlled by control module.
During the laser emitter horizontal movement, described image detection device 7 is suitable for M image U1 of acquisition and adopts
Collect N number of image U2 and be transmitted to control module, wherein M > 5, N > 5.
Image U2 of the image acquisition device laser on workbench 3 in spraying polymer matter and after solidifying;Foundation
The image of image U2 and image U1 determine the height H of this photosensitive polymer, and the height according to photosensitive polymer determines workbench 3
The distance of displacement solidifies so that workbench 3 be made to be consistent to the distance of bottom offset and the height of photosensitive polymer in photosensitive polymer
Carry out Image Acquisition again afterwards, so that it is effectively prevent photosensitive polymer caused height change in the curing process, therefore height
It is accurately calculated.
Embodiment 2
On that basis of example 1, a kind of working method of 3D printer is present embodiments provided.
The structure of the 3D printer is as described in Example 1, working method include: workbench 3, wireless communication unit,
For controlling driving mechanism of the workbench 3 to bottom offset, the control module that is connected with the wireless communication unit, and by the control
The translation mechanism 2 of module control;Wherein the lower section of the translation mechanism 2 is lifted with a spray head 1;The control module is suitable for passing through
Wireless communication unit receive type information, and control translation mechanism 2 drive spray head 1 according to type information the table on workbench 3
Photosensitive polymer is successively sprayed in face, and after one layer of injection, controls driving mechanism to bottom offset certain altitude.
The wireless communication unit includes: bluetooth module, NFC module, WiFi module and 4G module, and respectively with control mould
Block is electrically connected, and will above-mentioned each module respectively according to receiving time line up to print by received type information within a certain period of time.
The 3D printer further include: UV ultraviolet lamp 5 makes light for irradiating injection photosensitive polymer on workbench 3
The solidification of photosensitive polymerization object;Laser generator 6, for irradiating the photosensitive polymer sprayed on workbench 3;The image detection being obliquely installed
Device 7, for acquiring the image for the adjacent upper and lower layer photosensitive polymer being irradiated with a laser respectively;The control module is suitable for root
The height of the photosensitive polymer of adjacent upper and lower layer is judged according to the image acquired twice, and is controlled and driven according to above-mentioned altitude information
The downward shift length of institutional adjustment workbench 3.
The working method of the 3D printer is further comprising the steps of:
File to be printed information is resolved into multilayer by step S1, control module, and forms every layer of information collection for needing to print;
Step S2, the laser generator 6 emit laser to workbench 3, and described image detection device 7 detects illuminated laser spot
Image U2, as upper layer images;6 horizontal movement of laser generator, M image U1 of image acquisition device are simultaneously transmitted to
Control module, and M > 5;
Step S3, the control module control spray head 1 moves, and sprays photosensitive polymer to workbench 3 according to the information collection;
Step S4, the light irradiation that the UV ultraviolet lamp 5 issues is located at photosensitive polymer, so that photosensitive polymer solidifies;
Step S5, the laser emitter emit laser to the workbench 3 again, and described image detection device 7 detects laser
The image U2 of point of irradiation, as upper layer images, 6 horizontal movement of laser generator, the N number of image U1 of image acquisition device
And it is transmitted to control module, N > 5, the control module is according to movement images U1 and image U2, and the difference according to image twice
Determine the height H of this injection photosensitive polymer;
Step S6, control module control the driving device 4 and drive the downward displacement height H of workbench 3, the control module judgement
Whether work is completed, and then power cut-off is completed;Otherwise return step S2.
Image U1. of the image acquisition device laser on workbench 3 before spraying polymer
Image U2 of the image acquisition device laser on workbench 3 in spraying polymer matter and after solidifying;According to image
U2 and image U1 determines the height H of this photosensitive polymer, the height according to photosensitive polymer determine that workbench 3 is displaced away from
From being carried out again after photosensitive polymer solidification so that workbench 3 be made to be consistent to the distance of bottom offset and the height of photosensitive polymer
Image Acquisition, to effectively prevent photosensitive polymer caused height change in the curing process, therefore the calculating of height is more
Accurately.
Since laser generator 6 is arranged perpendicular to workbench 3, image device is located at 3 top of workbench, and in the work
Platform 3 is in 45 degree of angles, so that height detection is more accurate;It is determined and is polymerize by multiple images in step S2 and step S5
The height of object, data are relatively reliable.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of 3D printer characterized by comprising
Workbench, wireless communication unit are connected for controlling workbench to the driving mechanism of bottom offset, with the wireless communication unit
Control module, and the translation mechanism controlled by the control module;Wherein
A spray head is lifted with below the translation mechanism;
The control module be suitable for by wireless communication unit receive type information, and control translation mechanism drive spray head according to
Surface layer-by-layer sprays photosensitive polymer to type information on the table, and after one layer of injection, control driving mechanism to
Bottom offset certain altitude.
2. 3D printer according to claim 1, which is characterized in that
The wireless communication unit includes: bluetooth module, NFC module, WiFi module and 4G module, and electric with control module respectively
Property connection, and will above-mentioned each module respectively according to receiving time line up to print by received type information within a certain period of time.
3. 3D printer according to claim 2, which is characterized in that
The 3D printer further include:
UV ultraviolet lamp solidifies photosensitive polymer for irradiating injection photosensitive polymer on workbench;
Laser generator, for irradiating the photosensitive polymer sprayed on workbench;
The image detection device being obliquely installed, for acquiring the figure for the adjacent upper and lower layer photosensitive polymer being irradiated with a laser respectively
Picture;
The control module is suitable for judging according to the image acquired the height of the photosensitive polymer of adjacent upper and lower layer, and root twice
According to the downward shift length of above-mentioned altitude information control driving mechanism adjustment workbench.
4. 3D printer according to claim 3, which is characterized in that
The control module is suitable for mimeograph documents information resolving into multilayer, and forms every layer of information collection for needing to print;
The laser generator emits laser to workbench, and the image U1 of image acquisition device laser on the table makees
For lower image;
The control module control spray head sprays photosensitive polymer to workbench according to the information collection, and ultraviolet by the UV
Light lamp solidifies photosensitive polymer;
The laser emitter emits laser to the workbench again, and described image detection device detects the figure of illuminated laser spot
As U2, it is transmitted to control module as upper layer images, and by the upper layer images, the control module is according to movement images U1 and figure
As the height H of this determining injection photosensitive polymer of the difference of U2, drive workbench to bottom offset to control the driving device
Height H.
5. 3D printer according to claim 4, which is characterized in that
The laser emitter is suitable for along workbench horizontal movement, and its optical path vertical table is arranged.
6. 3D printer according to claim 5, which is characterized in that
During the laser emitter horizontal movement, described image detection device is suitable for M image U1 of acquisition and acquires N number of
Image U2 is simultaneously transmitted to control module, wherein
M>5,N>5。
7. a kind of working method of 3D printer characterized by comprising
Workbench, wireless communication unit are connected for controlling workbench to the driving mechanism of bottom offset, with the wireless communication unit
Control module, and the translation mechanism controlled by the control module;Wherein
A spray head is lifted with below the translation mechanism;
The control module be suitable for by wireless communication unit receive type information, and control translation mechanism drive spray head according to
Surface layer-by-layer sprays photosensitive polymer to type information on the table, and after one layer of injection, control driving mechanism to
Bottom offset certain altitude.
8. working method according to claim 7, which is characterized in that
The wireless communication unit includes: bluetooth module, NFC module, WiFi module and 4G module, and electric with control module respectively
Property connection, and will above-mentioned each module respectively according to receiving time line up to print by received type information within a certain period of time.
9. working method according to claim 8, which is characterized in that
The 3D printer further include:
UV ultraviolet lamp solidifies photosensitive polymer for irradiating injection photosensitive polymer on workbench;
Laser generator, for irradiating the photosensitive polymer sprayed on workbench;
The image detection device being obliquely installed, for acquiring the figure for the adjacent upper and lower layer photosensitive polymer being irradiated with a laser respectively
Picture;
The control module is suitable for judging according to the image acquired the height of the photosensitive polymer of adjacent upper and lower layer, and root twice
According to the downward shift length of above-mentioned altitude information control driving mechanism adjustment workbench.
10. working method according to claim 9, which is characterized in that
The control module is suitable for mimeograph documents information resolving into multilayer, and forms every layer of information collection for needing to print;
The laser generator emits laser to workbench, and the image U1 of image acquisition device laser on the table makees
For lower image;
The control module control spray head sprays photosensitive polymer to workbench according to the information collection, and ultraviolet by the UV
Light lamp solidifies photosensitive polymer;
The laser emitter emits laser to the workbench again, and described image detection device detects the figure of illuminated laser spot
As U2, it is transmitted to control module as upper layer images, and by the upper layer images, the control module is according to movement images U1 and figure
As the height H of this determining injection photosensitive polymer of the difference of U2, drive workbench to bottom offset to control the driving device
Height H.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711270435.8A CN109866419A (en) | 2017-12-05 | 2017-12-05 | A kind of high-precision injection photosensitive polymer 3D printer and its working method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711270435.8A CN109866419A (en) | 2017-12-05 | 2017-12-05 | A kind of high-precision injection photosensitive polymer 3D printer and its working method |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109866419A true CN109866419A (en) | 2019-06-11 |
Family
ID=66916687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711270435.8A Pending CN109866419A (en) | 2017-12-05 | 2017-12-05 | A kind of high-precision injection photosensitive polymer 3D printer and its working method |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109866419A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103223791A (en) * | 2013-04-08 | 2013-07-31 | 倪俊 | 3D printer provided with wireless data transfer module |
CN105313340A (en) * | 2015-12-01 | 2016-02-10 | 刘洋 | Intelligent 3D printer adopting single-double printing spray nozzle selectable technology |
CN107379525A (en) * | 2017-09-10 | 2017-11-24 | 南京中高知识产权股份有限公司 | A kind of Method of printing for spraying photosensitive polymer 3D printer |
CN107932914A (en) * | 2017-11-13 | 2018-04-20 | 南京中高知识产权股份有限公司 | Wireless 3D printer and its method of work |
-
2017
- 2017-12-05 CN CN201711270435.8A patent/CN109866419A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103223791A (en) * | 2013-04-08 | 2013-07-31 | 倪俊 | 3D printer provided with wireless data transfer module |
CN105313340A (en) * | 2015-12-01 | 2016-02-10 | 刘洋 | Intelligent 3D printer adopting single-double printing spray nozzle selectable technology |
CN107379525A (en) * | 2017-09-10 | 2017-11-24 | 南京中高知识产权股份有限公司 | A kind of Method of printing for spraying photosensitive polymer 3D printer |
CN107932914A (en) * | 2017-11-13 | 2018-04-20 | 南京中高知识产权股份有限公司 | Wireless 3D printer and its method of work |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107379525B (en) | A kind of Method of printing spraying photosensitive polymer 3D printer | |
CN104647752B (en) | Three-dimensional printing device | |
US20180207875A1 (en) | Method and system for 3d printing | |
JP6456353B2 (en) | 3D printing using spiral stacking | |
KR102149934B1 (en) | Layering method for three-dimensional object data, and 3d printing method and device | |
US10753781B2 (en) | Three-dimensional printing device | |
US20150165695A1 (en) | Three dimensional printing apparatus | |
CN105643921A (en) | 3D printing device and 3D printing method | |
CN106363906A (en) | Multi-material digital light processing (DLP) three-dimensional printing method and printing equipment thereof | |
CN104816479B (en) | Large-format light curing 3D printer | |
CN104842565A (en) | Fast liquid interface 3D (3-dimensional) printing system | |
US20180194070A1 (en) | 3d printing using preformed reuseable support structure | |
CN105563823B (en) | Three-dimensional printing device and three-dimensional printing method | |
CN108248020A (en) | A kind of horizontal DLP shadow casting techniques face exposure molding machine and method | |
CN109927283A (en) | Three-dimensional printing method | |
CN105346085A (en) | 3D printing device and forming method thereof | |
CN109866429A (en) | Efficient 3D printer and its working method suitable for collaborative work | |
CN109866427A (en) | 3D printing system and its working method based on Cloud Server function | |
CN109866419A (en) | A kind of high-precision injection photosensitive polymer 3D printer and its working method | |
TWI584941B (en) | System of rapid prototyping and method thereof | |
CN204773601U (en) | Coating formula photocuring 3D printer | |
CN203876232U (en) | FDM (fused deposition modeling) type 3D (three-dimensional) scanning and printing device of | |
CN109866415A (en) | 3D printing system and its working method suitable for work compound | |
CN206085665U (en) | 3D synthesizes material governing system on printing device | |
CN105346084A (en) | Novel 3D printer and printing process control method thereof |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190611 |