CN109177460A - A kind of double section swing type silver paste coating blades - Google Patents
A kind of double section swing type silver paste coating blades Download PDFInfo
- Publication number
- CN109177460A CN109177460A CN201811291788.0A CN201811291788A CN109177460A CN 109177460 A CN109177460 A CN 109177460A CN 201811291788 A CN201811291788 A CN 201811291788A CN 109177460 A CN109177460 A CN 109177460A
- Authority
- CN
- China
- Prior art keywords
- oscillating deck
- swing arm
- catch bar
- pushing mechanism
- plate
- 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
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052709 silver Inorganic materials 0.000 title claims abstract description 16
- 239000004332 silver Substances 0.000 title claims abstract description 16
- 239000011248 coating agent Substances 0.000 title claims abstract description 12
- 238000000576 coating method Methods 0.000 title claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 40
- 238000007790 scraping Methods 0.000 claims abstract description 8
- 235000014676 Phragmites communis Nutrition 0.000 claims abstract description 5
- 230000001154 acute effect Effects 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 7
- 238000007639 printing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000007650 screen-printing Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008450 motivation Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
- B41F15/46—Squeegees or doctors with two or more operative parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/405—Spraying apparatus
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/18—Processes or apparatus specially adapted for the manufacture or treatment of these devices or of parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The present invention relates to a kind of double section swing type silver paste coating blades, including bottom swing arm and top swing arm, and in bottom, the end of swing arm is connected with scraping plate mechanism by swinging connector;Bottom swing arm includes bottom support cavity;Scraping plate mechanism includes two groups of oscillating decks, and bottom clamping is fixed with scraper plate;Oscillating deck includes long oscillating deck and short oscillating deck, and the top of long oscillating deck and short oscillating deck passes through connection reed and is connected to bottom support cavity;It is additionally provided with two groups of pushing mechanisms, respectively preceding pushing mechanism and rear pushing mechanism on the side wall of the length direction of bottom support cavity, is contacted with long oscillating deck, short oscillating deck;Rubber connecting sleeve connects between the bottom of the top and bottom swing arm of top swing arm, swing arm inner wall linear array in top is provided with several linear pushing mechanism C, linear pushing mechanism C includes catch bar C, catch bar C is extend into the swing arm of top, and catch bar C is fixedly attached to the top of top swing arm by the connecting rod of arc.
Description
Technical field
The present invention relates to a kind of double section swing type silver paste coating blades, belong to solar panel silk-screen printing field.
Background technique
In the prior art, screen printing step is using screen printing apparatus printed electrode on silicon wafer to be processed.Silk
Wire mark brush is the important procedure for preparing solar battery, and printing mainly coats silk screen surface by offset plate i.e. scraper
Uniform silver paste realizes silk screen transfer;Since the printing angle of adhesive tape in printing mechanism is typically all fixation, this is for using
The occasion of same slurry for the slurry of different viscosityes, makes without what problem, but when slurry changes
Printing quality can be made to reduce with identical printing angle.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the technical problem that blade angle is fixed in the prior art, one is provided
The double section swing type silver paste coating blades of kind.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of double section swing type silver paste coating blades, including bottom swing arm and top swing arm, in bottom, the end of swing arm passes through pendulum
Movement connector is connected with scraping plate mechanism;Wherein the bottom swing arm includes a bottom support cavity, the bottom support cavity
For flat structure;The scraping plate mechanism includes the oscillating deck of two groups of arcs parallel arrangement, is provided with flat knot between oscillating deck
Structure inlays cavity, and the cavity bottom of inlaying has gripped scraper plate;Pass through several they sup-ports between the oscillating deck
It is fixedly connected;The oscillating deck includes long oscillating deck and short oscillating deck, and the top of the long oscillating deck and short oscillating deck passes through
On the two sidewalls for the length direction that one connection reed is connected to bottom support cavity;The length direction of the bottom support cavity
Side wall on be additionally provided with two groups of pushing mechanisms, respectively preceding pushing mechanism and rear pushing mechanism, be pushed forward motivation structure wherein described
Including a catch bar A, catch bar A is driven by a linear actuator A, and the relatively short oscillating deck of catch bar A is in
Acute angle setting, contacts at the top of the end of catch bar A and short oscillating deck, it is described after pushing mechanism include a catch bar B, it is described
Catch bar B is driven by a linear actuator B, the relatively long oscillating deck of catch bar B setting at an acute angle, catch bar B
End contacted with the bottom of long oscillating deck, the top position that the side wall of the bottom support cavity corresponds to long oscillating deck is provided with
One supporting spring plate, the supporting spring plate include an elastic bumps, the tip contact of the elastic bumps and long oscillating deck;Institute
State the rubber connecting sleeve connection between the bottom of the top and bottom swing arm of top swing arm by a flat structure, the top pendulum
Arm inner wall linear array is provided with several linear pushing mechanism C, and the axis of linear pushing mechanism C opposite crests swing arm is at an acute angle to be set
It sets, the linear pushing mechanism C includes a catch bar C, and catch bar C is extend into the swing arm of top, and the catch bar C passes through one
The connecting rod of a arc is fixedly attached to the top of top swing arm.
As a further improvement of the present invention, the bottom swing arm includes two bottom clamping plates, is passed through between the clamping plate of bottom
Several locating bars are fixedly connected, and are fixedly connected between the transverse ends portion of bottom clamping plate by closed plate, the end of the connecting rod
Portion is fixed on locating bar.
As a further improvement of the present invention, the spherical surface for inlaying the end catch bar B is provided on the long oscillating deck
Shape swings groove B, and the dome shape for inlaying the end catch bar A is provided on the short oscillating deck and swings groove A.
As a further improvement of the present invention, the part that the long oscillating deck is contacted with elastic bumps is provided with an extruding
Inclined-plane.
As a further improvement of the present invention, the scraper plate be double-layer structure, between be provided with and bottom support cavity
The drainage cavity of connection, the back of the scraper plate are provided with the sealing plate of a strip, and the end of sealing plate is fixed to bottom
On the lateral wall of swing arm.
The beneficial effects of the present invention are:
1, the present invention realizes the swing to bottom long oscillating deck and short oscillating deck by Liang Zu linear pushing mechanism, and then drives glue
Plate dead axle is swung, and realizes the adjusting of the angle of scraper plate, while top drives the connecting rod of an arc by linear pushing mechanism
Traction, may be implemented the change to rubber connecting sleeve distance, realize the further of bottom swing arm and top pendulum arm angle to draw
Change.
2, the present invention, which is fixed by the connecting rod connection by bottom swing arm, ensure that support strength.
3, swinging groove structure makes long oscillating deck and short oscillating deck that the fixed contact of positioning to catch bar may be implemented.
4, squeezing inclined-plane reduces the interference of long oscillating deck Yu bottom support cavity inner wall.
5, the double-deck blade structure can be in the injection for the material extrusion or high pressure gas that silver paste is wherein arranged, can be with the painting of silver paste
The discharge of silver paste is realized during smearing.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention;
In figure: 1, bottom clamping plate;2, rubber connecting sleeve;3, top swing arm;4, short oscillating deck;5, long oscillating deck;6, catch bar B;7,
Linear actuator B;8, supporting spring plate;9, inclined-plane is squeezed;10, reed is connected;11, catch bar A;12, linear actuator A;13, it scrapes
Plate;14, sealing plate;15, dome shape swings groove A;16, locating bar;17, linear pushing mechanism C;18, catch bar C;19, it connects
Bar.
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.
As shown in Figure 1, the present invention is a kind of double section swing type silver paste coating blades, including bottom swing arm and top swing arm,
In bottom, the end of swing arm is connected with scraping plate mechanism by swinging connector;Wherein the bottom swing arm includes a bottom support
Cavity, the bottom support cavity are flat structure, and the bottom swing arm includes two bottom clamping plates, are led between the clamping plate of bottom
It crosses several locating bars to be fixedly connected, be fixedly connected between the transverse ends portion of bottom clamping plate by closed plate, the connecting rod
End is fixed on locating bar;The scraping plate mechanism includes the oscillating deck of two groups of arcs parallel arrangement, is provided between oscillating deck
Flat structure inlays cavity, and the cavity bottom of inlaying has gripped scraper plate;Pass through several supports between the oscillating deck
Bar support is fixedly connected;The oscillating deck includes long oscillating deck and short oscillating deck, the top of the long oscillating deck and short oscillating deck
On the two sidewalls for the length direction for being connected to bottom support cavity by a connection reed;The length of the bottom support cavity
It spends on the side wall in direction and is additionally provided with two groups of pushing mechanisms, respectively preceding pushing mechanism and rear pushing mechanism, wherein described be pushed forward
Motivation structure includes a catch bar A, and catch bar A is driven by a linear actuator A, the relatively short pendulum of catch bar A
It contacts at the top of movable plate setting at an acute angle, the end of catch bar A and short oscillating deck, is provided on the short oscillating deck for inlaying
The dome shape of the end catch bar A swings groove A, and the rear pushing mechanism includes that catch bar a B, the catch bar B pass through one
A linear actuator B is driven, the relatively long oscillating deck of catch bar B setting at an acute angle, the end of catch bar B and long swing
The bottom of plate contacts, and the dome shape for inlaying the end catch bar B is provided on the long oscillating deck and swings groove B, the bottom
The top position that the side wall of portion's support cavity corresponds to long oscillating deck is provided with a supporting spring plate, and the supporting spring plate includes one
Elastic bumps, are provided with an extruding inclined-plane at the top of the long oscillating deck, and the elastic bumps and long oscillating deck top are squeezed
Press contact of incline plane;Connected between the bottom of the top and bottom swing arm of the top swing arm by the rubber connecting sleeve of a flat structure
It connects, the top swing arm inner wall linear array is provided with several linear pushing mechanism C, linear pushing mechanism C opposite crests swing arm
Axis setting at an acute angle, the linear pushing mechanism C include a catch bar C, catch bar C extend into top swing arm in, institute
Catch bar C is stated to be fixedly attached to by the connecting rod of an arc on the locating bar of top swing arm;The scraper plate is double-layer structure,
The drainage cavity being connected to bottom support cavity is provided between it, the back of the scraper plate is provided with the sealing of a strip
The end of plate, sealing plate is fixed on the lateral wall of bottom swing arm.
In use, drive catch bar B, catch bar A mobile by linear actuator B, linear actuator A, the process of promotion
In, because of the asynchronous promotion of catch bar B and catch bar A, long oscillating deck and short oscillating deck can be made to swing, long oscillating deck and
When short oscillating deck is swung, the angle that will drive the scraper plate between being located at changes;If angle changing is insufficient, and needs reversed
If swing, the connecting rod of arc can be stretched out or withdraw by linear pushing mechanism C, the connecting rod of arc passes through movement,
The angle of meeting bottom connector rails end opposite crests swing arm changes, and then realizes the swing of bottom swing arm, thus further
Adjust the angle of scraper plate.
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 (5)
1. a kind of double section swing type silver paste coating blades, it is characterized in that: including bottom swing arm and top swing arm, the swing arm in bottom
End is connected with scraping plate mechanism by swinging connector;Wherein the bottom swing arm includes a bottom support cavity, the bottom
Portion's support cavity is flat structure;The scraping plate mechanism includes the oscillating deck of two groups of arcs parallel arrangement, is set between oscillating deck
It is equipped with the cavity of inlaying of flat structure, the cavity bottom of inlaying has gripped scraper plate;By several between the oscillating deck
They sup-port is fixedly connected;The oscillating deck includes long oscillating deck and short oscillating deck, the long oscillating deck and short oscillating deck
Top passes through on the two sidewalls for the length direction that a connection reed is connected to bottom support cavity;The bottom support cavity
Length direction side wall on be additionally provided with two groups of pushing mechanisms, respectively preceding pushing mechanism and rear pushing mechanism, wherein described
Preceding pushing mechanism includes a catch bar A, and catch bar A is driven by a linear actuator A, and the catch bar A is opposite
It is contacted at the top of short oscillating deck setting at an acute angle, the end of catch bar A and short oscillating deck, the rear pushing mechanism, which includes one, to be pushed away
Lever B, the catch bar B are driven by a linear actuator B, and the relatively long oscillating deck of catch bar B is at an acute angle to be set
It sets, the end of catch bar B is contacted with the bottom of long oscillating deck, and the side wall of the bottom support cavity corresponds to the top of long oscillating deck
Position is provided with a supporting spring plate, and the supporting spring plate includes an elastic bumps, the elastic bumps and long oscillating deck
Tip contact;Connected between the bottom of the top and bottom swing arm of the top swing arm by the rubber connecting sleeve of a flat structure
It connects, the top swing arm inner wall linear array is provided with several linear pushing mechanism C, linear pushing mechanism C opposite crests swing arm
Axis setting at an acute angle, the linear pushing mechanism C include a catch bar C, catch bar C extend into top swing arm in, institute
State the top that catch bar C is fixedly attached to top swing arm by the connecting rod of an arc.
2. a kind of double section swing type silver paste coating blades as described in claim 1, it is characterized in that: the bottom swing arm includes two
A bottom clamping plate is fixedly connected between the clamping plate of bottom by several locating bars, passes through envelope between the transverse ends portion of bottom clamping plate
Closing plate is fixedly connected, and the end of the connecting rod is fixed on locating bar.
3. a kind of double section swing type silver paste coating blades as described in claim 1, it is characterized in that: being arranged on the long oscillating deck
There is the dome shape for inlaying the end catch bar B to swing groove B, is provided on the short oscillating deck for inlaying the end catch bar A
The dome shape in portion swings groove A.
4. a kind of double section swing type silver paste coating blades as described in claim 1, it is characterized in that: the long oscillating deck and elasticity
The part of projection contacts is provided with an extruding inclined-plane.
5. a kind of double section swing type silver paste coating blades as described in claim 1, it is characterized in that: the scraper plate is the double-deck knot
Structure, between be provided with the drainage cavity being connected to bottom support cavity, the back of the scraper plate is provided with a strip
The end of sealing plate, sealing plate is fixed on the lateral wall of bottom swing arm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811291788.0A CN109177460A (en) | 2018-10-31 | 2018-10-31 | A kind of double section swing type silver paste coating blades |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811291788.0A CN109177460A (en) | 2018-10-31 | 2018-10-31 | A kind of double section swing type silver paste coating blades |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109177460A true CN109177460A (en) | 2019-01-11 |
Family
ID=64941391
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811291788.0A Pending CN109177460A (en) | 2018-10-31 | 2018-10-31 | A kind of double section swing type silver paste coating blades |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109177460A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5813330A (en) * | 1996-06-10 | 1998-09-29 | Stretch Devices, Inc. | Adjustable flexibility squeegee with replaceable contact blade |
JP2000351197A (en) * | 1999-06-14 | 2000-12-19 | Matsushita Electric Ind Co Ltd | Screen printing apparatus and method for electronic substrate |
CN1743173A (en) * | 2004-09-03 | 2006-03-08 | 雅马哈发动机株式会社 | Silk-screen printing device |
CN104553266A (en) * | 2014-12-29 | 2015-04-29 | 东莞市凯成环保科技有限公司 | Novel screen printing machine |
CN105365357A (en) * | 2014-08-29 | 2016-03-02 | 昆山迈致治具科技有限公司 | Automatic screen printing machine |
CN205395409U (en) * | 2016-03-10 | 2016-07-27 | 浙江晶能光电有限公司 | A oblique scraper for printing of battery piece |
CN107275277A (en) * | 2017-07-30 | 2017-10-20 | 陈有兵 | A kind of solar cell plate holder |
CN207772587U (en) * | 2018-01-24 | 2018-08-28 | 蓝思科技股份有限公司 | A kind of printing equipment of flat surface screen printing machine |
-
2018
- 2018-10-31 CN CN201811291788.0A patent/CN109177460A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5813330A (en) * | 1996-06-10 | 1998-09-29 | Stretch Devices, Inc. | Adjustable flexibility squeegee with replaceable contact blade |
JP2000351197A (en) * | 1999-06-14 | 2000-12-19 | Matsushita Electric Ind Co Ltd | Screen printing apparatus and method for electronic substrate |
CN1743173A (en) * | 2004-09-03 | 2006-03-08 | 雅马哈发动机株式会社 | Silk-screen printing device |
CN105365357A (en) * | 2014-08-29 | 2016-03-02 | 昆山迈致治具科技有限公司 | Automatic screen printing machine |
CN104553266A (en) * | 2014-12-29 | 2015-04-29 | 东莞市凯成环保科技有限公司 | Novel screen printing machine |
CN205395409U (en) * | 2016-03-10 | 2016-07-27 | 浙江晶能光电有限公司 | A oblique scraper for printing of battery piece |
CN107275277A (en) * | 2017-07-30 | 2017-10-20 | 陈有兵 | A kind of solar cell plate holder |
CN207772587U (en) * | 2018-01-24 | 2018-08-28 | 蓝思科技股份有限公司 | A kind of printing equipment of flat surface screen printing machine |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108311341A (en) | Dispenser, the automatic assembly line of fuel battery double plates | |
CN110090782B (en) | Automatic equipment of paining of computer heat conduction silicone grease | |
US9987840B2 (en) | Screen cleaning apparatus and method | |
CN107283167B (en) | A kind of PTC kludge | |
KR101138097B1 (en) | Method for producing a solar cell | |
CN109177460A (en) | A kind of double section swing type silver paste coating blades | |
CN201793263U (en) | Paper feeding mechanism on round flattening gilding press | |
CN211712010U (en) | Carrier and material transfer device | |
CN219483229U (en) | Automatic sealing strip gluing machine | |
CN210045514U (en) | Glue coating device for loudspeaker assembly | |
CN215943970U (en) | Screen printing machine | |
CN212073280U (en) | Screen printing device | |
CN110202927A (en) | A kind of offset press blanket automatic flushing device | |
CN114100922A (en) | Intelligent mechanical arm uses prevents blockking up spraying equipment | |
CN204547302U (en) | There is the photovoltaic cell printing screen plate of slurry limit function | |
CN213967389U (en) | Aluminum-plastic film non-extrusion type gravure coating device | |
CN210876017U (en) | Dual-purpose coating head capable of rapidly switching functions | |
CN221847654U (en) | Siliconizing mechanism | |
CN208261054U (en) | Convenient for the high frequency kludge of assembling | |
CN219721697U (en) | Defibrillation instrument | |
CN109664509A (en) | A kind of scraper mechanism and 3D printer | |
CN221294410U (en) | Label reinforcing device for transformer | |
CN114603978B (en) | Real-time detection system and detection method for saturation of digital printing ink | |
CN218143778U (en) | Quick prosthetic devices of conveyer belt | |
CN209674184U (en) | A kind of exposure machine with air-breathing covering function |
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: 20190111 |