CN105711235B - Supporting parts and printing machine platform - Google Patents
Supporting parts and printing machine platform Download PDFInfo
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- CN105711235B CN105711235B CN201410728084.0A CN201410728084A CN105711235B CN 105711235 B CN105711235 B CN 105711235B CN 201410728084 A CN201410728084 A CN 201410728084A CN 105711235 B CN105711235 B CN 105711235B
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- screen frame
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Abstract
The present invention provides a kind of supporting parts, for the screen frame of fixing printing board, including：Support member, positioned at the lower section of the screen frame, is used to support the screen frame；Connecting component, positioned at the side of the support member, for the support member to be connected to the screen frame fixing device of printing machine platform.Correspondingly, a kind of printing machine platform is additionally provided.Pass through the technical solution; the balance for being effectively guaranteed screen frame consolidates; solves screen frame halftone seepage problem caused by causing to damage during use; and ensure that throw the net it is without exception in the case of can normally be produced; solve the problems, such as printing machine platform safeguard protection, improve production efficiency.
Description
Technical field
The present invention relates to circuit board printing technology, more specifically, is related to a kind of supporting parts and a kind of printing machine platform.
Background technology
With the development that reaches its maturity of printed circuit industry, board production technique continue to develop and it is perfect, in circuit board
Control in instrument screen frame manufacture craft, develop into the cleaning mode of immersion type by traditional wiping, brushing cleaning mode.The production
Technique not only solves the problem of labour intensive and dirty and messy working environment, and water and the consumption of chemical classes liquid medicine are also greatly lowered, dropped
Low production cost, environmental pollution is few, also improves the service life and production efficiency of screen frame.Traditional screen frame corner splicing
It is the form using electric welding or encapsulating, firm abutment joint can be compared and sealed, but corner unavoidably occurs
The situation in crack.
Screen frame makes the cleaning mode using immersion type, the film part for having image among screen frame can be totally immersed into liquid medicine
In groove, and screen frame is using the hollow frame combination of 4 aluminum materials, and the form thrown the net is used within 4 weeks along frame, the one of frame
Face pressure system is thrown the net, and is fixed with glue in frame.Since screen frame is hollow, in the use process that screen frame is carried, placed
In, its corner location is easy to damage, and exposes the gap spliced originally, crack occurs, net when causing halftone cleaning and dipping
Water inlet in frame.Screen frame internal water accumulation is dripped on board or in circuit board surface in screen frame installs production process, influences live life
Safety and production quality are produced, is outlined for fracture network from the aspect of safety and quality, scene needs to carry out screen frame before manufacture
Check one by one, general production item number only for a text printout screen frame, needs temporary repair, to personnel as exception occurs in screen frame
Operation requirement is very high, and can influence production efficiency.
Existing text printout machine is using fixed among bilateral, in production, the continuous occurred level of screen frame and perpendicular
To movement, it is not particularly stable to be affected by gravity its balance, and peripheral operation touching screen frame most probably causes its unbalance, shadow
Circuit board press quality is rung, grenadine rupture is even resulted in when serious.
The content of the invention
It is contemplated that at least solve one of technical problem present in the prior art or correlation technique.
For this reason, an object of the present invention is to provide a kind of supporting parts.
It is another object of the present invention to propose a kind of printing machine platform.
To achieve the above object, embodiment according to the first aspect of the invention, it is proposed that a kind of supporting parts, for printing
Board, including：Support member, positioned at the lower section of the screen frame of the printing machine platform, is used to support the screen frame；Connecting component, position
In the side of the support member, for the support member to be connected to the screen frame fixing device of the printing machine platform.
Supporting parts according to an embodiment of the invention, by ensureing screen frame together with the screen frame fixing device on printing machine platform
Balance consolidate, wherein, which includes support member and connecting component, and support member is located at the lower section of screen frame, for propping up
Screen frame is supportted, ensures the balance of screen frame, and connecting component is located at the side of support member, consolidates for support member to be connected to screen frame
Determine device, support member is effectively ensured the stability of equilibrium of screen frame together with screen frame fixing device.
According to one embodiment of present invention, the support member is an integral structure with the connecting component.
Supporting parts according to an embodiment of the invention, support member are an integral structure with connecting component, integral structure
Mechanical property it is good, on the one hand, the bonding strength of support member and connecting component is effectively guaranteed, so as to ensure that supporting parts
Use intensity, on the other hand, effectively reduce the difficulty of processing of supporting parts, can be by one system of connecting component and support member
Into batch production, to improve production efficiency, reduces production cost.
According to one embodiment of present invention, the support member and the screen frame fixing device are in the same plane.
Supporting parts according to an embodiment of the invention, support member and screen frame fixing device are in the same plane, specifically
Ground, the fixed link of support member and screen frame fixing device is in the same plane, in order to ensure the firm and balance and stability of screen frame.
According to one embodiment of present invention, the support member is located at the edge of the screen frame fixing device, and
The area of the support member is more than the area of the corner of the screen frame.
Support member is located at the edge of screen frame fixing device, and is used to support the corner of screen frame, specifically, due to screen frame
Fixing device has 4 corners with screen frame, so the quantity of supporting parts is also 4,4 corners of corresponding screen frame are used to support net
Frame, and the area of support member is more than the area of the corner of screen frame, so can play more preferable support to screen frame, effectively
It ensure that the balance of screen frame consolidates.
According to one embodiment of present invention, the support member is hollow structure.
Supporting parts according to an embodiment of the invention, support member are set to hollow structure, so can not only prevent screen frame
Continuous occurred level and vertical movement, play the supporting role to screen frame, and also a saving material, reduce and are produced into
This.
Specifically, support member is square that its area is slightly larger than the area of screen frame corner, and the length of side of wherein support member is excellent
Elect 40 millimeters as, slightly larger than the aluminium width of screen frame, the height of support member is arranged in the range of 5 millimeters to 8 millimeters, and
It is hollow structure that it is internal.
According to one embodiment of present invention, further include：Water sucting part, fills the hollow space of the support member.
Supporting parts according to an embodiment of the invention, further include water sucting part, and water sucting part is filled in support member
Empty part, detachably, it is that the ponding in order to prevent in the screen frame of crack drips to printing machine platform or printed circuit board (PCB) to set water sucting part
It is upper to influence its normal work.
Specifically, water sucting part is sponge, this is because the price of sponge is than relatively low, can be cost-effective, and sponge
Water absorption area it is big, can effectively absorb moisture, avoid the ponding in screen frame drip to ponding drip to printing machine platform or printing electricity
On the plate of road, and when the water sucting degree of sponge reaches full, it can be replaced, in order to avoid influence the water suction work(of supporting parts
Energy.
According to one embodiment of present invention, further include：Buffer unit, is covered in the support member.
Supporting parts according to an embodiment of the invention, further include buffer unit, which covers on the supporting member,
Edge for avoiding screen frame directly contacts support member, between support member phase mutual friction cause screen frame corner to split
Seam.
Specifically, buffer unit is preferably sponge, and screen frame not only can be effectively avoided using sponge as buffer unit
Edge directly contacted with support member and cause screen frame corner the phenomenon in crack occur, but also screen frame side can be effectively increased
Frictional force between angle and support member, so that support member can effectively ensure that the balance of screen frame consolidates, makes screen frame
It is less likely to occur horizontally and vertically to move, improves production efficiency, and the ponding in the screen frame of crack can also be absorbed, prevents crack
Ponding in screen frame is dripped on printed circuit board (PCB), influences production quality and the safety of printing machine platform.
According to one embodiment of present invention, the upper surface of the support member is provided with water seepage hole, the water seepage hole
Quantity is multiple.
During the carrying and placement of screen frame, the corner location of screen frame easily occurs damage and crack occurs, cause to
Water inlet in screen frame frame during halftone cleaning and dipping in screen frame, the ponding in screen frame can drip to printing machine platform or printed circuit board (PCB) plate face
On, produced on-site safety and production quality are influenced, in order to avoid the generation of this case, is provided with the upper surface of support member
Intensive water seepage hole, the ponding in such screen frame will be flowed into the hollow space of support member by water seepage hole, passes through hollow bulb
The sponge divided sponges water.By the technical solution, which has not only acted as the support firm effect to screen frame, and
The ponding in the screen frame of crack can also be avoided, which to drip in printing machine platform or printed circuit board (PCB) plate face, influences produced on-site safety and life
The situation of product matter occurs, and improves production efficiency.
According to one embodiment of present invention, the aperture of the water seepage hole is in the range of 0.2 millimeter to 0.3 millimeter.
Supporting parts according to an embodiment of the invention, the aperture of water seepage hole are arranged in the range of 0.2 millimeter to 0.3 millimeter,
It so can effectively ensure that the water for flowing into support member hollow space can be sufficiently absorbed by the sponge, if the hole of water seepage hole
When footpath is excessive, the ponding in screen frame can be flowed into largely in support member, and sponge can not absorb moisture in time, do not absorbed
Moisture will overflow so that the moisture for causing to overflow, which drips to, influences produced on-site safety and product in printed circuit board (PCB) plate face
Matter, if the aperture of water seepage hole is too small, the speed that the ponding in screen frame is flowed into support member is excessively slow, can so cause screen frame
In ponding drip in printed circuit board (PCB) plate face, so as to influence produced on-site safety and production quality.
The embodiment of second aspect of the present invention provides a kind of printing machine platform, including any one of above-mentioned technical proposal
Supporting parts.
Printing machine platform according to an embodiment of the invention, has the support that first aspect present invention any embodiment provides
Part, therefore the printing machine platform has whole beneficial effects of the supporting parts of any of the above-described embodiment offer.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the structure diagram of the supporting parts described in an embodiment according to the present invention；
Fig. 2 is the structure diagram of the printing machine platform described in another embodiment according to the present invention；
Fig. 3 is flow chart of the printing machine platform shown in Fig. 2 to screen frame balanced support.
Wherein, the correspondence in Fig. 1 and Fig. 2 between reference numeral and component names is：
10 supporting parts, 101 support members, 102 connecting components, 103 buffer units, 104 water sucting parts, 20 screen frames, 30 nets
Frame fixing device, 40 screen frame fixed knobs, 50 running fix bars, 60 fix supporting rod.
Embodiment
It is to better understand the objects, features and advantages of the present invention, below in conjunction with the accompanying drawings and specific real
Mode is applied the present invention is further described in detail.It should be noted that in the case where there is no conflict, the implementation of the application
Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description to facilitate a thorough understanding of the present invention, still, the present invention may be used also
By using other different from implementing in a manner of described here, therefore, protection scope of the present invention and from following public tool
The limitation of body embodiment.
As depicted in figs. 1 and 2, the supporting parts 10 that first aspect present invention embodiment provides, for printing machine platform, including：
Support member 101, positioned at the lower section of the screen frame 20 of the printing machine platform, is used to support the screen frame 20；Connecting component 102, position
In the side of the support member 101, for the support member 101 to be connected to the screen frame fixing device of the printing machine platform
30。
Supporting parts 10 according to an embodiment of the invention, by ensureing together with the screen frame fixing device 30 on printing machine platform
The balance of screen frame 20 consolidates, wherein, which includes support member 101 and connecting component 102, and support member 101 is located at
The lower section of screen frame 20, is used to support screen frame 20, ensures the balance of screen frame 20, and connecting component 102 is located at the one of support member 101
Side, for support member 101 to be connected to screen frame fixing device 30, makes support member 101 have together with screen frame fixing device 30
The stability of equilibrium of the guarantee screen frame 20 of effect.
According to one embodiment of present invention, as shown in Figure 1, the support member 101 and the connecting component 102 are one
Body formula structure.
Supporting parts 10 according to an embodiment of the invention, support member 101 are an integral structure with connecting component 102, and one
The mechanical property of body formula structure is good, on the one hand, the bonding strength of support member 101 and connecting component 102 is effectively guaranteed, from
And ensure that the use intensity of supporting parts 10, and on the other hand, the difficulty of processing of supporting parts 10 is effectively reduced, can be by connecting component
102 and support member 101 be made into integration, produce in batches, to improve production efficiency, reduce production cost.
According to one embodiment of present invention, as depicted in figs. 1 and 2, the support member 101 is fixed with the screen frame and filled
It is in the same plane to put 30.
Supporting parts according to an embodiment of the invention, support member 101 and screen frame fixing device 30 are in the same plane,
Specifically, support member 101 and the fixed link of screen frame fixing device 30 are in the same plane, in order to ensure consolidating for screen frame 20
With balance and stability.
According to one embodiment of present invention, as depicted in figs. 1 and 2, the support member 101 is located at the screen frame and fixes
The edge of device 30, and the support member 101 area be more than the screen frame 20 corner area.
Support member 101 is located at the edge of screen frame fixing device 30, and is used to support the corner of screen frame 20, specifically,
Since screen frame fixing device 30 and screen frame 20 have 4 corners, so the quantity of supporting parts 10 is also 4, the 4 of corresponding screen frame 20
A corner is used to support screen frame 20, and the area of support member 101 is more than the area of the corner of screen frame 20, so to screen frame 20
More preferable support can be played, the balance for being effectively guaranteed screen frame 20 consolidates.
According to one embodiment of present invention, the support member 101 is hollow structure.
Supporting parts 10 according to an embodiment of the invention, support member 101 are set to hollow structure, so can not only prevent
20 continuous occurred level of screen frame and vertical movement, play the supporting role to screen frame 20, and also a saving material, reduce
Production cost.
Specifically, support member 101 is square that its area is slightly larger than the area of the corner of screen frame 20, wherein support member
101 length of side is preferably 40 millimeters, and slightly larger than the aluminium width of screen frame 20, the height of support member 101 is arranged on 5 millimeters to 8
In the range of millimeter, and it is hollow structure that it is internal.
According to one embodiment of present invention, further include：Water sucting part 104, fills the hollow bulb of the support member 101
Point.
Supporting parts 10 according to an embodiment of the invention, further include water sucting part 104, and water sucting part 104 is filled in support
The hollow space of component 101, detachably, it is that the ponding in order to prevent in the screen frame of crack drips to printing machine to set water sucting part 104
Its normal work is influenced on platform or printed circuit board (PCB).
Specifically, water sucting part 104 is sponge, this is because the price of sponge is than relatively low, can be cost-effective, and sea
Continuous water absorption area is big, can effectively absorb moisture, avoid the ponding in screen frame from dripping to ponding and drip to printing machine platform or printing
On circuit board, and when the water sucting degree of sponge reaches full, it can be replaced, in order to avoid influence the water suction of supporting parts 10
Function.
According to one embodiment of present invention, further include：Buffer unit 103, is covered in the support member 101.
Supporting parts according to an embodiment of the invention, further include buffer unit 103, which is covered in support
On component 101, the edge for avoiding screen frame 20 directly contacts support member 101, the phase mutual friction between support member 101
Screen frame corner is caused crack occur.
Specifically, buffer unit 103 is preferably sponge, not only can effectively be kept away using sponge as buffer unit 103
Exempt from the edge of screen frame 20 and support member 101 directly contacts and causes screen frame corner the phenomenon in crack occur, but also can have
Frictional force between effect increase screen frame corner and support member 101, so that support member 101 can effectively ensure that screen frame
20 balance consolidates, and makes screen frame 20 be less likely to occur horizontally and vertically to move, and improves production efficiency, and can also absorb crack
Ponding in screen frame, prevents the ponding in the screen frame of crack from dripping on printed circuit board (PCB), influences production quality and the peace of printing machine platform
Entirely.
According to one embodiment of present invention, the upper surface of the support member 101 is provided with water seepage hole, the water seepage hole
Quantity to be multiple.
During the carrying and placement of screen frame 20, the corner location of screen frame 20 easily occurs damage and crack occurs, causes
Intake in the halftone cleaning and dipping in screen frame 20 in screen frame frame, the ponding in screen frame 20 can drip to printing machine platform or printing electricity
In the plate plate face of road, produced on-site safety and production quality are influenced, in order to avoid the generation of this case, in support member 101
Upper surface is provided with intensive water seepage hole, and the ponding in such screen frame 20 will be flowed into support member 101 by water seepage hole
Empty part, is sponged water by the sponge of hollow space.By the technical solution, which has not only acted as to screen frame
20 support firm effect, but also printing machine platform or printed circuit board (PCB) plate face can be dripped to avoid the ponding in fracture network frame 20
The upper situation appearance for influencing produced on-site safety and production quality, improves production efficiency.
According to one embodiment of present invention, the aperture of the water seepage hole is in the range of 0.2 millimeter to 0.3 millimeter.
Supporting parts 10 according to an embodiment of the invention, the aperture of water seepage hole are arranged on 0.2 millimeter to 0.3 millimeter scope
It is interior, it so can effectively ensure that the water for flowing into 101 hollow space of support member can be sufficiently absorbed by the sponge, if infiltration
When the aperture in hole is excessive, the ponding in screen frame 20 can be flowed into largely in support member, and sponge can not absorb moisture in time, not have
There is absorbed moisture to overflow, so that the moisture for causing to overflow, which is dripped in printed circuit board (PCB) plate face, influences produced on-site safety
And production quality, if the aperture of water seepage hole is too small, the speed that the ponding in screen frame 20 is flowed into support member 101 is excessively slow,
The ponding in screen frame 20 can be so caused to drip in printed circuit board (PCB) plate face, so as to influence produced on-site safety and production quality.
The printing machine platform that embodiment according to a second aspect of the present invention provides, including any one of above-mentioned technical proposal
Supporting parts 10.
Printing machine platform according to an embodiment of the invention, has the supporting parts that first aspect present invention any embodiment provides
10, therefore the printing machine platform has whole beneficial effects of the supporting parts 10 of any of the above-described embodiment offer.
As shown in Fig. 2, printing machine platform includes supporting parts 10, screen frame 20 and screen frame fixing device 30, the quantity of supporting parts 10
For 4, and 4 supporting parts 10 are connected to 4 edges of screen frame fixing device 30, and positioned at four sides of screen frame 20
Lower section at angle, screen frame 20 is together supported with screen frame fixing device 30, prevents 20 occurred level of screen frame and vertically movable.Wherein,
Screen frame fixing device 30 includes screen frame fixed knob 40, running fix bar 50 and fixed supporting rod 60.
As shown in figure 3, specifically, balanced support method of the printing machine platform to its screen frame：Step 302, screen frame is placed in net
On the fixation supporting rod of frame fixing device；Step 304, by sliding the running fix bar of screen frame fixing device by 4 of screen frame
Corner is respectively placed on 4 supporting parts；Step 306, the screen frame fixed knob in screen frame fixing device is screwed.Pass through above-mentioned step
Suddenly, fixation of the printing machine platform to screen frame is completed, after by screen frame balance and stability, printing machine platform is by transmission part by circuit board
Be transmitted on work top, circuit board is statically placed in table top using adsorption function on work top, then board to circuit board into
Row automatic positioning, after the completion of contraposition, ink knife is printed ink by the film figure of screen frame according to angle set in advance
In circuit board surface, that is, complete printing.
It is term " connection ", fixed in the description of this specification " etc. should all be interpreted broadly, for example, " connection " can be
It is fixedly connected or is detachably connected, or is integrally connected；It can be directly connected, can also be by between intermediary
Connect connected.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that the particular features, structures, materials, or characteristics that the embodiment or example describe are contained in the present invention
Apply in example or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more embodiments or example with
Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (8)
- A kind of 1. supporting parts, for printing machine platform, it is characterised in that including：Support member, positioned at the lower section of the screen frame of the printing machine platform, is used to support the screen frame；Connecting component, positioned at the side of the support member, for the support member to be connected to the net of the printing machine platform Frame fixing device；The support member and the screen frame fixing device are in the same plane；The support member is located at the edge of the screen frame fixing device, andThe area of the support member is more than the area of the corner of the screen frame.
- 2. supporting parts according to claim 1, it is characterised in that the support member and the connecting component are integral type Structure.
- 3. supporting parts according to claim 1, it is characterised in that the support member is hollow structure.
- 4. supporting parts according to claim 3, it is characterised in that further include：Water sucting part, fills the hollow space of the support member.
- 5. supporting parts according to any one of claim 1 to 4, it is characterised in that further include：Buffer unit, is covered in the support member.
- 6. supporting parts according to any one of claim 1 to 4, it is characterised in that the upper surface of the support member is set Water seepage hole is equipped with, the quantity of the water seepage hole is multiple.
- 7. supporting parts according to claim 6, it is characterised in that the aperture of the water seepage hole is at 0.2 millimeter to 0.3 millimeter In the range of.
- 8. a kind of printing machine platform, it is characterised in that including the supporting parts as any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728084.0A CN105711235B (en) | 2014-12-03 | 2014-12-03 | Supporting parts and printing machine platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410728084.0A CN105711235B (en) | 2014-12-03 | 2014-12-03 | Supporting parts and printing machine platform |
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| Publication Number | Publication Date |
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| CN105711235A CN105711235A (en) | 2016-06-29 |
| CN105711235B true CN105711235B (en) | 2018-05-01 |
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| CN201410728084.0A Active CN105711235B (en) | 2014-12-03 | 2014-12-03 | Supporting parts and printing machine platform |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110103567B (en) * | 2019-05-07 | 2021-07-20 | 仓和精密制造(苏州)有限公司 | Vacuum hot pressing process of polyimide screen printing plate |
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| CN101791898A (en) * | 2010-03-05 | 2010-08-04 | 中国电子科技集团公司第四十五研究所 | Solar cell printing screen frame aligning and adjusting device |
| CN201619285U (en) * | 2010-02-10 | 2010-11-03 | 杨国辉 | Wire mesh printer |
| CN202278818U (en) * | 2011-09-19 | 2012-06-20 | 江苏强盛石化机械有限公司 | Silkscreen bracket |
| CN102756541A (en) * | 2012-08-02 | 2012-10-31 | 韩洋 | Silk screen frame and silk screen device |
| CN103328215A (en) * | 2011-12-07 | 2013-09-25 | 松下电器产业株式会社 | Mask holder |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000168042A (en) * | 1998-12-02 | 2000-06-20 | Three D:Kk | Screen printing plate frame |
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2014
- 2014-12-03 CN CN201410728084.0A patent/CN105711235B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201619285U (en) * | 2010-02-10 | 2010-11-03 | 杨国辉 | Wire mesh printer |
| CN101791898A (en) * | 2010-03-05 | 2010-08-04 | 中国电子科技集团公司第四十五研究所 | Solar cell printing screen frame aligning and adjusting device |
| CN202278818U (en) * | 2011-09-19 | 2012-06-20 | 江苏强盛石化机械有限公司 | Silkscreen bracket |
| CN103328215A (en) * | 2011-12-07 | 2013-09-25 | 松下电器产业株式会社 | Mask holder |
| CN102756541A (en) * | 2012-08-02 | 2012-10-31 | 韩洋 | Silk screen frame and silk screen device |
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| CN105711235A (en) | 2016-06-29 |
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Effective date of registration: 20220615 Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031 Patentee after: New founder holdings development Co.,Ltd. Patentee after: ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC Co.,Ltd. Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 9 floor Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER TECH. HI-DENSITY ELECTRONIC Co.,Ltd. |
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