CN207361428U - One kind blows bits machine - Google Patents
One kind blows bits machine Download PDFInfo
- Publication number
- CN207361428U CN207361428U CN201721106056.0U CN201721106056U CN207361428U CN 207361428 U CN207361428 U CN 207361428U CN 201721106056 U CN201721106056 U CN 201721106056U CN 207361428 U CN207361428 U CN 207361428U
- Authority
- CN
- China
- Prior art keywords
- base
- bits machine
- vacuum suction
- housing
- suction supply
- 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- Withdrawn - After Issue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
Landscapes
- Making Paper Articles (AREA)
- Sheets, Magazines, And Separation Thereof (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The utility model discloses one kind to blow bits machine, this, which blows bits machine, includes rack, at least one pressure fan being arranged in rack, and is arranged at the vacuum adsorption conveying device below pressure fan；The vacuum adsorption conveying device includes base, and exhaust fan, drives motor, and the multiple vacuum suction supply units being slidably connected with base；The input end of the exhaust fan connects the housing cavity of each vacuum suction supply unit.It is provided by the utility model blow bits machine and can ensure that cardboard stably conveys be not turned over, and be avoided that cardboard is deformed because being subject to roller to extrude；In addition, the position by adjusting each vacuum suction supply unit, can be adapted to the conveying of various sizes of cardboard.
Description
Technical field
Printing machinery technical field is the utility model is related to, more particularly to one kind blows bits machine.
Background technology
During corrugated board printing, when complete die cutting procedure back cardboard on can remain some paper scraps, it is necessary to paper scrap is clear
Cardboard could be delivered to next process after reason（Such as stack）.Since cardboard is lighter, if directly opposite using pressure fan
Cardboard, which is purged, is inherently turned over cardboard.In order to avoid cardboard is turned over, need to press to cardboard using roller, should
Mode can cause cardboard to be deformed again.
As it can be seen that the prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide one kind to blow bits machine, it is intended to solves
The technical problem for being easily turned over cardboard when certainly blow bits to cardboard in the prior art.
In order to achieve the above object, the utility model takes following technical scheme：
One kind blows bits machine, including rack, at least one pressure fan being arranged in rack, and is arranged at below pressure fan
Vacuum adsorption conveying device；The vacuum adsorption conveying device includes base, and exhaust fan, drives motor, and can with base
The multiple vacuum suction supply units being slidably connected；Each vacuum suction supply unit is equipped with opening including top respectively
Housing, be hingedly connected to the drive roll and driven voller at case top both ends, and be set around defeated on drive roll and driven voller
Send band；The inner cavity that some through holes are used to connect housing is offered on conveyer belt；The driving motor is used to drive each vacuum to inhale
The drive roll of attached supply unit rotates synchronously；The input end of the exhaust fan connects the inner cavity of each housing.
Described blows in bits machine, and the rack includes two blocks of side plates being oppositely arranged, and with being connected at the top of two blocks of side plates
Top plate；For each blower setting on top plate, each conveyer belt upper surface institute is directed toward in the outlet of each pressure fan obliquely
Plane.
Described blows in bits machine, and the top plate is obliquely set, and each pressure fan is axial flow fan.
Described blows in bits machine, and the top plate both ends are rotatably coupled with two blocks of side plates, are set on one of side plate
It is useful for adjusting the angle adjusting mechanism of top plate corner.
Described blows in bits machine, and the both sides of base are respectively arranged with a line slideway, and the bottom both ends of housing are set respectively
A fulcrum bearing is equipped with, a linear bearing is respectively arranged with each fulcrum bearing, each linear bearing is led with corresponding straight line
Rail is slidably connected；A locking device is provided with a fulcrum bearing in each vacuum suction supply unit.
Described blows in bits machine, and base is hollow and opening up structure, and the bottom of each housing is used for equipped with opening
The inner cavity of base is connected, the inner cavity of base is connected to the input end of exhaust fan, and each housing cavity bottom is set side by side with two
First regulating roller, is provided with second regulating roller above two first regulating rollers, each regulating roller respectively with housing hinge；
The length direction of each regulating roller is parallel with conveyer belt respectively in projection in the horizontal plane；One is provided with the top of the base
Root skin band, each regulating roller of the belt from each vacuum suction supply unit bypass, and the width of belt is opened more than base top
The width of mouth.
Described blows in bits machine, and each housing both sides correspond to and offer a form respectively at three regulating rollers, each to regard
One piece of cover board is detachably provided with window respectively.
Described blows in bits machine, and each drive roll coaxially offers an axially extending bore；The driving motor is connected with
A piece transmission shaft, the transmission shaft through each drive roll axially extending bore go forward side by side line unit connection.
Described blows in bits machine, and one piece of partition plate is provided among the base and is used to the inner cavity of base being divided into two parts,
Partition plate both sides are respectively arranged with least two vacuum suction supply units；The exhaust fan is provided with two altogether, each exhaust fan
Input end is respectively communicated with the base intracavity of partition plate both sides.
Described blows in bits machine, and two exhaust outlets are additionally provided with the rack；The port of export of two exhaust fans leads to respectively
Piping is connected to the input end of that exhaust outlet of homonymy.
Beneficial effect：
The utility model provides one kind and blows bits machine, and compared with prior art, the utility model is by using vacuum suction side
Formula paperboard conveying, sets pressure fan to purge cardboard, not only can guarantee that cardboard stably conveys and be not turned in rack, but also
It is avoided that cardboard is deformed because being subject to roller to extrude, and realizes continuous production；It is in addition, defeated by adjusting each vacuum suction
The position of unit is sent, the conveying of various sizes of cardboard can be adapted to, improves the applicability for blowing bits machine.
Brief description of the drawings
Fig. 1 is the stereogram provided by the utility model for blowing bits machine and being observed from feed side.
Fig. 2 is the stereogram provided by the utility model for blowing bits machine and being observed from exit side.
Fig. 3 is the right view provided by the utility model for blowing bits machine.
Fig. 4 is the partial enlarged view in S1 regions in Fig. 1.
Fig. 5 is A-A sectional views in Fig. 3.
Fig. 6 is the partial enlarged view in S2 regions in Fig. 5.
Fig. 7 is the stereogram of the vacuum suction supply unit provided by the utility model for blowing in bits machine, observing obliquely.
Fig. 8 is blown in bits machine to be provided by the utility model, the oblique stereogram of the vacuum suction supply unit observed obliquely.
Fig. 9 is the partial enlarged view in S3 regions in Fig. 7.
Embodiment
The utility model provides one kind and blows bits machine, for make the purpose of this utility model, technical solution and effect it is clearer,
Clearly, the utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should be appreciated that tool described herein
Body embodiment only to explain the utility model, is not used to limit the utility model.
Please refer to Fig.1 to Fig. 9, the utility model provides one kind and blows bits machine.
Referring initially to Fig. 1, Fig. 2, Fig. 3 and Fig. 7, the bits machine that blows includes rack, at least one be arranged in rack
A pressure fan 2（Three pressure fan have schematically been drawn in attached drawing, but have not limited particular number）, and be arranged at below pressure fan
Vacuum adsorption conveying device；The vacuum adsorption conveying device includes base 301, and exhaust fan 302, drives motor 303, Yi Jiyu
Multiple vacuum suction supply units 4 that base is slidably connected；Each vacuum suction supply unit 4 includes top respectively
Housing 41 equipped with opening, is hingedly connected to the drive roll 42 and driven voller 43 at case top both ends, and is set around drive roll
With the conveyer belt 44 on driven voller；The inner cavity that some through holes are used to connect housing is offered on conveyer belt；The driving motor 303
Drive roll for driving each vacuum suction supply unit rotates synchronously；The input end of the exhaust fan 302 connects each shell
The inner cavity of body.A row through hole has only schematically been drawn on conveyer belt in Fig. 7, but has not been limited, can have been conveyed according to actual conditions
Take and multiple row through hole is set.
During work, each vacuum suction supply unit is moved to suitable position first, to be adapted to pending corrugation
Cardboard（Hereinafter referred to as cardboard）Size.Cardboard is output and then enter from die cutting unit blows bits machine, since vacuum action is attracted to
On conveyer belt；Drive motor to drive drive roll to rotate, so that driving conveying belt rotates, realize the conveying to cardboard.Course of conveying
In, the pressure fan in rack is dried so as to fulfill the purpose for blowing bits to cardboard.After cardboard boasts the outlet side output of bits machine, paper
Paper scrap on plate has also purged totally, and a piece of cardboard 90 is schematically illustrated in the outlet side for blowing bits machine in Fig. 2.Thus may be used
To see, the bits machine provided by the utility model that blows is conveyed using vacuum suction, that is, ensure that cardboard will not be turned over during blowing bits,
It it also avoid cardboard to deform because external pressure is subject to, ensure that corrugated board completes printing, cross cutting and blows the finished product after bits
Quality；Further, since position of each vacuum suction supply unit on base is adjustable, therefore it is adapted to various sizes of paper
The conveying of plate, improves the use scope for blowing bits machine.
Please refer to Fig.1 and Fig. 2, the rack include two blocks of side plates 101 being oppositely arranged, and with connecting at the top of two blocks of side plates
The top plate 102 connect；For each blower setting on top plate, each conveyer belt upper table is directed toward in the outlet of each pressure fan obliquely
Plane where face.The rack construction of above-mentioned setting is simple, low manufacture cost；Both played and pressure fan was supported, it is also right
Play protective action in the both sides for blowing bits machine.
By Fig. 1 and Fig. 2 it is observed that the both ends of base are fixedly connected with side plate, and the bottom of every block of side plate connects respectively
A mounting base is connected to, connecting hole is offered in each mounting base, is installed easy to blow bits machine by bolt, is fixed.
Further, the top plate 102 is obliquely set, and each pressure fan 2 is axial flow fan.Axis is streamed during installation
The flange at fan outlet end is bolted with top plate, and installation is simple, in addition, the air quantity of axial flow fan is big, can
Meet that the bits that blow of cardboard require.
Further, 102 both ends of top plate are rotatably coupled with two blocks of side plates, and use is provided with one of side plate
In the angle adjusting mechanism for adjusting top plate corner（Not shown in figure）.Corner by the setting easy to adjusting top plate, i.e. be easy to
The air outlet angle of axial flow fan is adjusted, to be adjusted for different operating modes to optimal angle.Angular adjustment is not limited herein
Mechanism, as a preferred embodiment, worm and gear executing agency can be set to, not only laborsaving but also degree of regulation is higher.
Above-mentioned each vacuum suction supply unit is slidably connected with base can a variety of implementations, refer to figure
1st, Fig. 7 and Fig. 8, a kind of implementation provided herein but not limited to this：The both sides of base 301 are respectively arranged with a line slideway
3019（1 is only observed in Fig. 1）, the bottom both ends of housing are respectively arranged with a fulcrum bearing 45, distinguish in each fulcrum bearing
A linear bearing 46 is provided with, each linear bearing is slidably connected with corresponding line slideway；Each vacuum suction is defeated
Send and be provided with a locking device 48 in unit fulcrum bearing.It is convenient by the cooperation of line slideway and linear bearing
Vacuum suction supply unit is moved along line slideway；Can be by locking device by vacuum suction after suitable position is moved to
Supply unit is locked on base, with stably conveying workpieces.
Fig. 5, Fig. 6 and Fig. 8 are referred to, further, base 301 is hollow and opening up structure, each housing 41
Bottom be equipped with opening and be used to connect the inner cavity of base, the inner cavity of base is connected to the input end of exhaust fan, each housing cavity
Bottom is set side by side with two first regulating rollers 471, and second regulating roller 472 is provided with above two first regulating rollers,
Each regulating roller respectively with housing hinge；The length direction of each regulating roller is put down with conveyer belt respectively in projection in the horizontal plane
OK；Be provided with a root skin band 32 at the top of the base, the belt from each regulating roller of each vacuum suction supply unit around
Cross, the width of belt is more than the width of base top opening, and the opening of base top extends along the whole length direction of base（Figure
Not shown in base top opening）.Fig. 6 illustrates belt winding mode, and by the setting, no matter each vacuum suction is defeated
Send unit is moved to where on base, the bottom opening of each vacuum suction supply unit is always connected with the inner cavity of base.
Further, since using when belt be tensioned by tensioning apparatus after be close to the top of base, therefore base upper opening is not corresponded to
Play the role of sealing in the place of vacuum suction supply unit.The utility model does not limit how belt both ends are specifically tensioned.
Fig. 4 shows a kind of easy belt tension mode, and 32 both ends of belt are stretched out on the outside of side plate and are fixed on a fixed block respectively
On 321, the both ends of each fixed block are threaded with a bolt 322 respectively, and the end of bolt offsets with corresponding side plate, lead to
Cross and tighten the tensioning that belt can be achieved in bolt.
Further, each housing both sides correspond to and offer a form at three regulating rollers respectively, each form punishment
One piece of cover board 411 is not detachably provided with.When carrying out belt winding, first two cover boards can be opened, it is easy to operation；Belt
Winding again closes cover board after completing.Preferably, each cover board is transparent elastic in order to later observation belt.
Further, each drive roll coaxially offers an axially extending bore；The driving motor is connected with a biography
Moving axis 31, the transmission shaft through each drive roll axially extending bore go forward side by side line unit connection.In practical application, for the ease of processing,
Keyway can be opened up on the side wall of transmission shaft, which moves along transmission shaft whole length direction, and each drive roll
Inner wall is respectively fixed with a key, and the keyway on transmission shaft be clearance fit with the key in each drive roll, with ensure it is each very
The attached supply unit of suction can move linearly along line slideway, and can guarantee that transmission shaft can drive each drive roll synchronously to turn
It is dynamic.
Referring to Fig. 2, the top of two blocks of side plates is connected with a crossbeam 103；The driving motor is arranged at the one of crossbeam
End, and pass through belt wheel connection mode and transmission axis connection.Specifically, the collar bush of motor is driven to be equipped with driving wheel（Do not show in figure
Go out）, driving wheel is connected with a driven wheel by synchronous belt（Not shown in figure）, driven wheel is set on an output shaft 304,
The output shaft is coaxially fixedly connected with transmission shaft to be connected.It is more firm by the setting, that is, whole device, cause at the same time
Drive the setting of motor compacter.Certainly, can also be in vacuum when without considering the floor space of vacuum adsorption conveying device
Adsorb one motor fixing seat of end set of conveying device（Not shown in figure）, driving motor connection retarder（Do not show in figure
Go out）, the output shaft of retarder is coaxially fixedly connected with above-mentioned driving head again.
Referring to Fig. 9, further, the driven voller 43 includes the mandrel 431 being removable installed on housing, is arranged
In two bearings on mandrel（Not shown in figure）, and the cylinder 432 with the outer ring interference fit of two bearings, the mandrel
431 both ends are respectively arranged with screw thread, are corresponded on housing and a horizontal opening is respectively equipped with mandrel both ends, the both ends point of mandrel
It is not put into corresponding horizontal opening and passes through nut check.The setting make it that driven voller is simple in structure, easy to disassemble.
Further, corresponded on each housing and an adjustment seat 481, each adjustment seat are respectively arranged with each installing plate
It is upper flatly to offer a threaded hole respectively, an adjusting bolt 482, each tune are connected with the threaded hole of each adjustment seat
End of the end of bolt respectively with mandrel is saved to offset.By tighten adjusting bolt can Conveyer Belt, adjust quick, side
Just.
Fig. 5 and Fig. 6 are referred to, further, one piece of partition plate 3011 is provided among the base and is used in base
Chamber is divided into two parts, and partition plate both sides are respectively arranged with least two vacuum suction supply units, 6 are schematically illustrated in figure
Vacuum suction supply unit, but it's not limited to that；The exhaust fan 302 is provided with two altogether, each exhaust fan input end point
Not Lian Tong partition plate both sides base intracavity.By the setting, vacuum adsorption conveying device can mark off to two stations, two
Station can both work independently, and can combine and work together, therefore further increase vacuum suction conveying
The applicability of device.
Please refer to Fig.1 and Fig. 2, further, two exhaust outlets 104 are additionally provided with the rack；Two exhaust fans
The port of export is connected to the input end of that exhaust outlet of homonymy by pipeline respectively.The setting causes the wind that exhaust fan is extracted out to be used for
Bits are blown, that is, are recycled, due to increasing total blowing amount, blow bits effect so as to further increase.Such as attached drawing institute
Show, it is preferable that upper rack centre position is provided with 3 axial flow fans, and two exhaust outlets are located at axial flow fan both sides.It is attached
It also depict multiple elbows 108 being arranged on side plate in figure, exhaust outlet be connected to by pipeline, elbow easy to exhaust fan.
By figure Fig. 3 and Fig. 5, it is known that, the upper surface of base is arranged to inclined-plane, the bottom of each housing be also arranged in correspondence with for
Inclined-plane, the setting are primarily to facilitate the compacter of the installation of exhaust fan, and it is higher exhaust fan can be set directly at base
On that side and do not interfere the movement of each vacuum suction supply unit.Certainly, if exhaust fan is not directly installed on bottom
During seat side, the upper surface of base can also be arranged to plane, correspondingly, the bottom of each housing is also to be arranged to plane.
Referring to Fig. 2, the outlet side of rack is additionally provided with an Assisting Cleaning Device, which includes and two
The hinged shaft 801 of side side plate, the hairbrush 802 being arranged in the shaft, and for adjusting the regulating device 81 of shaft rotary corner.
When cardboard exports, hairbrush acts on the upper surface of cardboard, and cardboard is cleaned, and thereby further ensuring that will not be residual on cardboard
Stay paper scrap.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (10)
1. one kind blows bits machine, including rack, at least one pressure fan being arranged in rack, it is characterised in that this blows bits machine also
Including the vacuum adsorption conveying device being arranged at below pressure fan；The vacuum adsorption conveying device includes base, and exhaust fan, drives
Dynamic motor, and the multiple vacuum suction supply units being slidably connected with base；Each vacuum suction supply unit
Include the housing that top is equipped with opening respectively, be hingedly connected to the drive roll and driven voller at case top both ends, and be set around
Conveyer belt on drive roll and driven voller；The inner cavity that some through holes are used to connect housing is offered on conveyer belt；The driving electricity
Machine is used to drive the drive roll of each vacuum suction supply unit to rotate synchronously；The input end of the exhaust fan connects each housing
Inner cavity.
2. according to claim 1 blow bits machine, it is characterised in that the rack includes two blocks of side plates being oppositely arranged, with
And the top plate with being connected at the top of two blocks of side plates；On top plate, the outlet of each pressure fan refers to each blower setting obliquely
Plane to where each conveyer belt upper surface.
3. according to claim 2 blow bits machine, it is characterised in that the top plate is obliquely set, and each pressure fan is axis
Stream wind turbine.
4. according to claim 3 blow bits machine, it is characterised in that the top plate both ends rotationally connect with two blocks of side plates
Connect, the angle adjusting mechanism for adjusting top plate corner is provided with one of side plate.
5. according to claim 1 blow bits machine, it is characterised in that the both sides of base are respectively arranged with a line slideway,
The bottom both ends of housing are respectively arranged with a fulcrum bearing, and a linear bearing, Ge Gezhi are respectively arranged with each fulcrum bearing
Spool is held to be slidably connected with corresponding line slideway；It is provided with a fulcrum bearing in each vacuum suction supply unit
One locking device.
6. according to claim 1 blow bits machine, it is characterised in that base is hollow and opening up structure, each shell
The bottom of body is equipped with opening and is used to connecting the inner cavity of base, and the inner cavity of base is connected to the input end of exhaust fan, in each housing
Bottom of chamber portion is set side by side with two first regulating rollers, and second regulating roller is provided with above two first regulating rollers, each
Regulating roller respectively with housing hinge；The length direction of each regulating roller is parallel with conveyer belt respectively in projection in the horizontal plane；
A root skin band is provided with the top of the base, each regulating roller of the belt from each vacuum suction supply unit bypasses, skin
The width of band is more than the width of base top opening.
7. according to claim 6 blow bits machine, it is characterised in that each housing both sides correspond to opens respectively at three regulating rollers
Equipped with a form, one piece of cover board is detachably provided with each form respectively.
8. according to claim 1 blow bits machine, it is characterised in that each drive roll coaxially offers an axial direction and leads to
Hole；The driving motor is connected with a transmission shaft, and the axially extending bore of the transmission shaft through each drive roll is gone forward side by side line unit connection.
9. according to claim 6 blow bits machine, it is characterised in that one piece of partition plate is provided among the base and is used for the bottom of
The inner cavity of seat is divided into two parts, and partition plate both sides are respectively arranged with least two vacuum suction supply units；The exhaust fan is set altogether
Two are equipped with, each exhaust fan input end is respectively communicated with the base intracavity of partition plate both sides.
10. according to claim 9 blow bits machine, it is characterised in that two exhaust outlets are additionally provided with the rack；Two
The port of export of exhaust fan is connected to the input end of that exhaust outlet of homonymy by pipeline respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106056.0U CN207361428U (en) | 2017-08-31 | 2017-08-31 | One kind blows bits machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721106056.0U CN207361428U (en) | 2017-08-31 | 2017-08-31 | One kind blows bits machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207361428U true CN207361428U (en) | 2018-05-15 |
Family
ID=62351083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721106056.0U Withdrawn - After Issue CN207361428U (en) | 2017-08-31 | 2017-08-31 | One kind blows bits machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207361428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472946A (en) * | 2017-08-31 | 2017-12-15 | 广东东方精工科技股份有限公司 | One kind blows bits machine |
-
2017
- 2017-08-31 CN CN201721106056.0U patent/CN207361428U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107472946A (en) * | 2017-08-31 | 2017-12-15 | 广东东方精工科技股份有限公司 | One kind blows bits machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208760173U (en) | A kind of Five-color printing machine with dedusting drying function | |
| CN107671445A (en) | A kind of sheet metal full auto-bonding system | |
| CN208429641U (en) | A kind of cardboard printing device | |
| CN107444701A (en) | A kind of parallel orbit formula carton making machine | |
| CN209721150U (en) | A kind of dedicated cutting device of release film processing | |
| CN207361428U (en) | One kind blows bits machine | |
| CN102679698A (en) | Reciprocating type tunnel dryer for efficiently producing reconstituted tobaccos | |
| CN111674150A (en) | Environment-friendly packaging bag printing equipment and printing process thereof | |
| CN213230252U (en) | Synchronous code spraying and conveying device | |
| CN110340958A (en) | A kind of die-cutting machine | |
| CN210980701U (en) | Paper packing box drying device | |
| CN209503712U (en) | Pipe end polishing equipment | |
| CN107472946A (en) | One kind blows bits machine | |
| CN214111441U (en) | Winding forming machine | |
| CN210420717U (en) | Corrugated medium drying device | |
| CN207059470U (en) | A kind of sheet-fed offset press of printed on both sides | |
| CN207361141U (en) | A kind of vacuum suction supply unit | |
| CN108944081A (en) | A kind of rubber printing conveying mechanism | |
| WO2023082146A1 (en) | Grooving and deburring edge banding mechanism of wooden door edge banding machine | |
| CN216459777U (en) | Novel rubber coating of guitar production and processing device | |
| CN213570579U (en) | Panel heat treatment device for CNC tool production | |
| CN214873528U (en) | Printing device convenient for ink changing and used for processing and packaging | |
| CN211138115U (en) | A laminating machine for packing box production | |
| CN208843365U (en) | A kind of conveyer frames | |
| CN216803687U (en) | A clear hole device of high efficiency for printing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180515 Effective date of abandoning: 20230714 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180515 Effective date of abandoning: 20230714 |