CN103273603A - Molding die of silica gel product with hanging workpiece encapsulated in double surfaces - Google Patents
Molding die of silica gel product with hanging workpiece encapsulated in double surfaces Download PDFInfo
- Publication number
- CN103273603A CN103273603A CN2013101538426A CN201310153842A CN103273603A CN 103273603 A CN103273603 A CN 103273603A CN 2013101538426 A CN2013101538426 A CN 2013101538426A CN 201310153842 A CN201310153842 A CN 201310153842A CN 103273603 A CN103273603 A CN 103273603A
- Authority
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- China
- Prior art keywords
- workpiece
- silica gel
- lower bolster
- plate pattern
- cope match
- 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.)
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Links
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 67
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 239000000741 silica gel Substances 0.000 title claims abstract description 66
- 238000000465 moulding Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims abstract description 39
- 238000000034 method Methods 0.000 claims abstract description 10
- 230000000740 bleeding effect Effects 0.000 claims description 13
- 230000000295 complement effect Effects 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000007599 discharging Methods 0.000 abstract 2
- 238000000605 extraction Methods 0.000 abstract 1
- 238000001179 sorption measurement Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 5
- 238000004513 sizing Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000010985 leather Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Images
Abstract
A molding die of a silica gel product with a hanging workpiece encapsulated in double surfaces is disclosed by the invention, and comprises an upper die plate, a middle die plate and a lower die plate, wherein the middle die plate is disposed between the upper die plate and the lower die plate; the lower die plate is convexly extended with a die core; the middle die plate is provided with a first die cavity for workpiece acception on one surface against the lower die plate, the first die cavity is provided with a suction hole therein for workpiece adsorption, and an extraction opening connected with the suction hole is disposed outside the middle die plate; the upper die plate is provided with a second die cavity fitted with the die core on one surface against the middle die plate. By combination of the upper die plate, the middle die plate and the lower die plate, the workpiece and a silica gel material are combined perfectly, and the time interval of a first die-opening discharging and a second die-opening discharging is shortened, and therefore the phenomenon is avoided that depressions are generated on the workpiece under the effect of a support member, and obvious undesirable combinations appear on a connection part of the before and after silica gel material in the conventional molding process. Therefore, the requirements of silica gel product size and appearance are satisfied and product quality is improved.
Description
Technical field
The present invention relates to silica gel product mould art, refer in particular to the silica gel product molding mould of the unsettled two-sided encapsulate of a kind of workpiece.
Background technology
Everybody knows, tradition silica gel goods softness, retractility is good, lines such as leather can be conveniently handled on the surface, color can arbitrarily be adjusted making, it is attractive in appearance to make the easy acquisition good contact feel of electronic products and color and luster, but shortcoming is easy deformation, polarization and supportive are poor, and metal material performances such as workpiece are opposite, when both combine, the workpiece bag during to the silica gel central core, can be obtained both overall merits, the silica gel goods of this kind silica gel center job contract part, widespread production and application on the market, but be suspended in the air during owing to work piece production, without any support, in fact can't realize, conventional production method has two kinds: a kind of is to adopt the primary oil pressure moulding, guarantee product appearance in conjunction with perfection, but need to keep a grip on workpiece at mould design support member and reference column, influence product appearance aesthetic feeling and performance but these support members can stay pit at product; Another is the mode that adopts twice oil pressure, workpiece is located glue-line of oil pressure for the first time, product does not take out, change second glue position of half of mold pressing, the method of this twice oil pressure since the sizing material of putting for the first time by twice of moulding, sizing material is overdone, causes twice sizing material junction to have significantly in conjunction with bad, does not reach requirement in appearance.Therefore, need design one sleeve forming mould to address the above problem, improve the associativity of silica gel and workpiece, its outward appearance is met the demands.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose provides the silica gel product molding mould of the unsettled two-sided encapsulate of a kind of workpiece, combination by cope match-plate pattern, middle template and lower bolster, realize that workpiece does not have under the support member effect and the silica gel perfect adaptation, satisfy the product appearance requirement, improve the quality of products.
For achieving the above object, the present invention adopts following technical scheme:
The silica gel product molding mould of the unsettled two-sided encapsulate of a kind of workpiece comprises cope match-plate pattern, middle template and lower bolster, and middle template is between cope match-plate pattern and lower bolster, and this lower bolster upwards protrudes out and is provided with a core rod; Should middle template simultaneously be concaved with one for taking in workpiece and first die cavity adaptive with core rod over against lower bolster, and be provided with the suction hole for the absorption workpiece in this first die cavity, template is provided with a bleeding point that is communicated with suction hole in middle template outside is run through; This cope match-plate pattern simultaneously is provided with second die cavity adaptive with the lower bolster upper mold core over against middle template.
As a kind of preferred version, described core rod is cylindrical, and described workpiece is the cylindrical cover shelly that is complementary with core rod, and the core rod external diameter is less than workpiece diameter; In described on the template on first die cavity and the cope match-plate pattern the corresponding workpiece of second die cavity be cylindrical.
As a kind of preferred version, suction hole is arranged at the first mould intracavity wall top in described first die cavity, and described bleeding point is arranged on the middle stencil sidewalls.
As a kind of preferred version, described cope match-plate pattern, middle template and lower bolster are provided with for the bearing pin that cope match-plate pattern, template and lower bolster is mutually positioning and sleeve, and when cope match-plate pattern, middle template and lower bolster closed each other, bearing pin was through in the corresponding sleeve.
As a kind of preferred version, described lower bolster upper mold core root outer periphery is equipped with the groove that embeds for above-mentioned workpiece lower end.
As a kind of preferred version, described core rod is integrally formed on the lower bolster.
As a kind of preferred version, described workpiece is that metal material is made.
The silica gel product molding method of the unsettled two-sided encapsulate of a kind of workpiece adopts mould as described above, and concrete steps are as follows:
A1, middle template, cope match-plate pattern are suspended from lower bolster top;
A2, on the core rod of lower bolster, place silica gel material, workpiece is put into first die cavity of template and the bleeding point of centering template is bled, hold workpiece by the suction hole of first die cavity, workpiece is positioned in first die cavity, make workpiece be suspended from the core rod top;
A3, middle template and lower bolster matched moulds make workpiece directly be expressed to the silica gel material on the core rod towards the bottom surface of lower bolster and are combined with this silica gel material;
A4, open in template and the bleeding point that stops the centering template bleed, workpiece is rested on the core rod of lower bolster;
A5, remove middle template, make cope match-plate pattern and lower bolster matched moulds, and on the workpiece end face, place silica gel material simultaneously again;
A6, cope match-plate pattern and lower bolster are closed film, directly push silica gel material on the workpiece end face by second die cavity of cope match-plate pattern, this silica gel material is combined with end face;
A7, unlatching cope match-plate pattern, i.e. the silica gel goods of the two-sided encapsulate of moulding.
As a kind of preferred version, among described steps A 1, A3 and the A4, cope match-plate pattern and middle template lump together; And in the steps A 4, during template, cope match-plate pattern is also removed thereupon in removing.
As a kind of preferred version, described workpiece is the cylindrical cover shelly, and when middle template and lower bolster matched moulds, workpiece inwall and core rod outer wall are close to; When cope match-plate pattern and lower bolster matched moulds, workpiece outer wall and second mould intracavity wall are close to.
The present invention compared with prior art has tangible advantage and beneficial effect, particularly, as shown from the above technical solution, make workpiece and the silica gel material can perfect adaptation by the combination that utilizes cope match-plate pattern, middle template and lower bolster, and the blowing of die sinking for the first time is with the die sinking blowing time interval shortens for the second time, can avoid like this in traditional moulding process, workpiece produces twice silica gel material of pit and front and back junction and produces obviously in conjunction with bad phenomenon generation under the support member effect.By this, satisfy silica gel product size and appearance requirement, improved product quality.
For more clearly setting forth architectural feature of the present invention and effect, be described in detail below in conjunction with accompanying drawing and specific embodiment.
Description of drawings
Fig. 1 is the present invention's assembling schematic perspective view;
Fig. 2 is the present invention's assembling schematic top plan view;
Fig. 3 is the A-A place cross-sectional schematic of Fig. 2;
Fig. 4 is the present invention's decomposing schematic representation;
Fig. 5 is template schematic perspective view on the present invention;
Fig. 6 is template schematic perspective view among the present invention;
Fig. 7 is template and lower bolster open mode schematic diagram among the present invention;
Fig. 8 is template and lower bolster matched moulds view among the present invention;
Fig. 9 extracts view out after for template among the present invention and lower bolster die sinking;
Figure 10 is template and lower bolster matched moulds view on the present invention;
Figure 11 is template and lower bolster die opening state schematic diagram on the present invention.
The accompanying drawing identifier declaration:
10, lower bolster 11, core rod
12, groove 20, middle template
21, first die cavity 22, suction hole
23,, bleeding point 30, cope match-plate pattern
31, second die cavity 40, workpiece
50, bearing pin 60, sleeve
70, internal layer silica gel material 70 ', outer silica gel material.
The specific embodiment
The present invention such as Fig. 1 are to shown in Figure 6, and the silica gel product molding mould of the unsettled two-sided encapsulate of a kind of workpiece comprises lower bolster 10, middle template 20 and cope match-plate pattern 30, and it is tabular that this lower bolster 10, middle template 20 and cope match-plate pattern 30 are square, wherein,
This workpiece 40 is the cylindrical cover shelly, and it is made by metal material, for example steel disc etc.
These lower bolster 10 upper surfaces one that makes progress protrudes out and is provided with a cylindricality core rod 11 that is complementary with above-mentioned workpiece 40 inwalls, is used for effects such as supporting workpiece 40 and location sizing material; Be equipped with the groove 12 that embeds for workpiece 40 lower ends in these core rod 11 root outer periphery; Being respectively arranged with one on 10 4 jiaos of this lower bolsters is used for and the bearing pin 50 of template 20 and cope match-plate pattern 30 integrated positionings.
This cope match-plate pattern 30 be concaved with on middle template 20 one sides one with suitable second die cavity 31 of workpiece 40 outer walls, this cope match-plate pattern 30 is provided with the sleeve 60 that is complementary with lower bolster 10 and middle template 20 upper pins 50, when cope match-plate pattern 30 made up with middle template 20 or lower bolster 10, the bearing pin 50 on middle template 20 or the lower bolster 10 was through in cope match-plate pattern 30 upper bushes 60.
This mould using method and step are as follows,
1, middle template 20, cope match-plate pattern 30 lump together, middle template 20, cope match-plate pattern 30 are suspended from lower bolster 10 tops, place internal layer silica gel material 70 on the core rod 11 of lower bolster 10, this internal layer silica gel material 70 is the software shape, as shown in Figure 7, can template 20 open with lower bolster 10.
2, workpiece 40 is put into first die cavity 21 of template 20 and the bleeding point 23 of centering template 20 and bled, hold workpiece 40 by the suction hole 22 of first die cavity 21, make workpiece 40 be suspended from core rod 11 tops, as shown in Figure 7.
3, middle template 20, cope match-plate pattern 30 lump together, middle template 20, cope match-plate pattern 30 are moved to lower bolster 30 together, middle template 20 and lower bolster 30 matched moulds, make workpiece 40 directly be expressed to towards the bottom surface of lower bolster 10 on the core rod 11 internal layer silica gel material 70 and with these internal layer silica gel material 70 combinations, as shown in Figure 8, the internal layer silica gel material is extruded to spread and flows on the core rod 11 of lower bolster 10, fills full silica gel in the workpiece.
4, middle template 20, cope match-plate pattern 30 lump together, and together by removing on the lower bolster 10, and the bleeding point 23 that stops centering template 20 bleeds, and workpiece 40 is rested on the core rod 11 of lower bolster 10, as shown in Figure 9 with middle template 20, cope match-plate pattern 30.
5, extract out in template 20 and on workpiece 40 end faces, place again simultaneously outer silica gel material 70 ', as shown in Figure 9.
6, cope match-plate pattern 30 and lower bolster 10 are closed film, by second die cavity 31 of cope match-plate pattern 30 directly push outer silica gel material 70 on workpiece 40 end faces ', make this skin silica gel material 70 ' be combined with end face, as shown in figure 10.
7, open cope match-plate pattern 30, i.e. the silica gel goods of the two-sided encapsulate of moulding, as shown in figure 11.
Certainly, cope match-plate pattern 30, middle template 20 as required, also separable design in forming process, namely cope match-plate pattern 30, middle template 20 press down in the time of can be different in matched moulds process downwards, template 20 in only pressing down does not add at this and to give restriction.
In addition, internal layer silica gel material 70 and outer silica gel material 70 ' be with a kind of silica gel material, more than be to be twice matched moulds materials before and after distinguishing, adopt 70 and 70 ' respectively names.
And, need to prove above-mentioned workpiece be wrapped in fully internal layer silica gel material 70 and outer silica gel material 70 ' between, from can't see workpiece 40 in appearance fully, and the shape of workpiece 40 is not limited to cylindrical, the shape of above-mentioned core rod 11, first die cavity 21 and second die cavity 31 is not limited to cylindrical too, can adopt various difformities as required, realize different appearance effect.
Design focal point of the present invention is, by utilizing cope match-plate pattern, in the combination of template and lower bolster make workpiece and the silica gel material can perfect adaptation, wherein behind middle template and the lower bolster matched moulds first time, vacuumize and close, middle template is opened and taken away to mould simultaneously, this moment, workpiece was positioned on the core rod of counterdie, place outer silica gel sizing material at workpiece this moment at once, again with cope match-plate pattern and lower bolster matched moulds, and carry out matched moulds by normal oil pressure condition, gap between second die cavity of workpiece and cope match-plate pattern can be designed according to glue is thick, the inside and outside two sides of workpiece all is subjected to pressure silica gel, but inside and outside pressure balance, workpiece also can not be shifted again, and workpiece is positioned in the locus in the mould like this, and the blowing of die sinking so for the first time is with the die sinking blowing time interval shortens for the second time, can avoid like this in the traditional silicon gum forming technology, workpiece produces twice silica gel material of pit and front and back junction and produces obviously in conjunction with bad phenomenon generation under the support member effect.By this, satisfy silica gel product size and appearance requirement, improved product quality.
The above, it only is preferred embodiment of the present invention, be not that technical scope of the present invention is imposed any restrictions, so every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any trickle modification, equivalent variations and modification that above embodiment makes.
Claims (10)
1. the silica gel product molding mould of the unsettled two-sided encapsulate of workpiece comprises cope match-plate pattern, middle template and lower bolster, and middle template is characterized in that between cope match-plate pattern and lower bolster: this lower bolster upwards protrudes out and is provided with a core rod; Should middle template simultaneously be concaved with one for taking in workpiece and first die cavity adaptive with core rod over against lower bolster, and be provided with the suction hole for the absorption workpiece in this first die cavity, template is provided with a bleeding point that is communicated with suction hole in middle template outside is run through; This cope match-plate pattern simultaneously is provided with second die cavity adaptive with the lower bolster upper mold core over against middle template.
2. according to the silica gel product molding mould of the unsettled two-sided encapsulate of the described a kind of workpiece of claim 1, it is characterized in that: described core rod is cylindrical, and described workpiece is the cylindrical cover shelly that is complementary with core rod, and the core rod external diameter is less than workpiece diameter; In described on the template on first die cavity and the cope match-plate pattern the corresponding workpiece of second die cavity be cylindrical.
3. according to the silica gel product molding mould of the unsettled two-sided encapsulate of the described a kind of workpiece of claim 1, it is characterized in that: suction hole is arranged at the first mould intracavity wall top in described first die cavity, and described bleeding point is arranged on the middle stencil sidewalls.
4. according to the silica gel product molding mould of the unsettled two-sided encapsulate of the described a kind of workpiece of claim 1, it is characterized in that: described cope match-plate pattern, middle template and lower bolster are provided with for the bearing pin that cope match-plate pattern, template and lower bolster is mutually positioning and sleeve, when cope match-plate pattern, middle template and lower bolster closed each other, bearing pin was through in the corresponding sleeve.
5. according to the silica gel product molding mould of the unsettled two-sided encapsulate of the described a kind of workpiece of claim 1, it is characterized in that: described lower bolster upper mold core root outer periphery is equipped with the groove that embeds for above-mentioned workpiece lower end.
6. according to the silica gel product molding mould of the unsettled two-sided encapsulate of the described a kind of workpiece of claim 1, it is characterized in that: described core rod is integrally formed on the lower bolster.
7. according to the silica gel product molding mould of the unsettled two-sided encapsulate of the described a kind of workpiece of claim 1, it is characterized in that: described workpiece is that metal material is made.
8. the silica gel product molding method of the unsettled two-sided encapsulate of workpiece, it is characterized in that: adopt mould according to claim 1, concrete steps are as follows:
A1, middle template, cope match-plate pattern are suspended from lower bolster top;
A2, on the core rod of lower bolster, place silica gel material, workpiece is put into first die cavity of template and the bleeding point of centering template is bled, hold workpiece by the suction hole of first die cavity, workpiece is positioned in first die cavity, make workpiece be suspended from the core rod top;
A3, middle template and lower bolster matched moulds make workpiece directly be expressed to the silica gel material on the core rod towards the bottom surface of lower bolster and are combined with this silica gel material;
A4, open in template and the bleeding point that stops the centering template bleed, workpiece is rested on the core rod of lower bolster;
A5, remove middle template, make cope match-plate pattern and lower bolster matched moulds, and on the workpiece end face, place silica gel material simultaneously again;
A6, cope match-plate pattern and lower bolster are closed film, directly push silica gel material on the workpiece end face by second die cavity of cope match-plate pattern, this silica gel material is combined with end face;
A7, unlatching cope match-plate pattern, i.e. the silica gel goods of the two-sided encapsulate of moulding.
9. the silica gel product molding method of the unsettled two-sided encapsulate of described workpiece according to Claim 8, it is characterized in that: among described steps A 1, A3 and the A4, cope match-plate pattern and middle template lump together; And in the steps A 4, during template, cope match-plate pattern is also removed thereupon in removing.
10. the silica gel product molding method of the unsettled two-sided encapsulate of described workpiece according to Claim 8, it is characterized in that: described workpiece is the cylindrical cover shelly, when middle template and lower bolster matched moulds, workpiece inwall and core rod outer wall are close to; When cope match-plate pattern and lower bolster matched moulds, workpiece outer wall and second mould intracavity wall are close to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153842.6A CN103273603B (en) | 2013-04-28 | 2013-04-28 | The silica gel product mould of the unsettled two-sided encapsulate of a kind of workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310153842.6A CN103273603B (en) | 2013-04-28 | 2013-04-28 | The silica gel product mould of the unsettled two-sided encapsulate of a kind of workpiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103273603A true CN103273603A (en) | 2013-09-04 |
| CN103273603B CN103273603B (en) | 2015-09-23 |
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| CN201310153842.6A Expired - Fee Related CN103273603B (en) | 2013-04-28 | 2013-04-28 | The silica gel product mould of the unsettled two-sided encapsulate of a kind of workpiece |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335153A (en) * | 2016-10-31 | 2017-01-18 | 东莞市英尚硅胶制品有限公司 | Production process for silicone pad |
| CN106956446A (en) * | 2017-04-20 | 2017-07-18 | 咸宁海威复合材料制品有限公司 | The compression molding device and method of a kind of composite |
| CN110126165A (en) * | 2019-05-24 | 2019-08-16 | 增城华昌塑料五金模具有限公司 | A kind of forming method of encapsulated bow arm |
| CN112590093A (en) * | 2020-11-25 | 2021-04-02 | 贵州红阳机械有限责任公司 | Die for end cover part pressing process and application |
| CN112873717A (en) * | 2021-03-17 | 2021-06-01 | 东莞市精盛橡塑有限公司 | Integrally-formed mold and process for rubber-coated piece |
| CN113977814A (en) * | 2021-10-25 | 2022-01-28 | 惠州市江上风电子材料有限公司 | Silica gel product forming die for hanging double-sided encapsulation of workpiece |
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| CN203293451U (en) * | 2013-04-28 | 2013-11-20 | 东莞万德电子制品有限公司 | Silicone product molding die of suspended and double-side encapsulated work-piece |
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| JPH05220774A (en) * | 1991-11-21 | 1993-08-31 | Krauss Maffei Ag | Method and device for producing laminated molding part |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106335153A (en) * | 2016-10-31 | 2017-01-18 | 东莞市英尚硅胶制品有限公司 | Production process for silicone pad |
| CN106335153B (en) * | 2016-10-31 | 2018-11-23 | 东莞市英尚硅胶制品有限公司 | The production technology of silicagel pad |
| CN106956446A (en) * | 2017-04-20 | 2017-07-18 | 咸宁海威复合材料制品有限公司 | The compression molding device and method of a kind of composite |
| CN110126165A (en) * | 2019-05-24 | 2019-08-16 | 增城华昌塑料五金模具有限公司 | A kind of forming method of encapsulated bow arm |
| CN112590093A (en) * | 2020-11-25 | 2021-04-02 | 贵州红阳机械有限责任公司 | Die for end cover part pressing process and application |
| CN112873717A (en) * | 2021-03-17 | 2021-06-01 | 东莞市精盛橡塑有限公司 | Integrally-formed mold and process for rubber-coated piece |
| CN113977814A (en) * | 2021-10-25 | 2022-01-28 | 惠州市江上风电子材料有限公司 | Silica gel product forming die for hanging double-sided encapsulation of workpiece |
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|---|---|
| CN103273603B (en) | 2015-09-23 |
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Denomination of invention: Molding die of silica gel product with hanging workpiece encapsulated in double surfaces Effective date of registration: 20180417 Granted publication date: 20150923 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN MEMTECH ELECTRONIC PRODUCTS Co.,Ltd. Registration number: 2018990000296 |
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Date of cancellation: 20211210 Granted publication date: 20150923 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN MEMTECH ELECTRONIC PRODUCTS Co.,Ltd. Registration number: 2018990000296 |
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Denomination of invention: The utility model relates to a silica gel product forming die with suspended workpiece and double-sided adhesive coating Effective date of registration: 20211216 Granted publication date: 20150923 Pledgee: China Co. truction Bank Corp Dongguan branch Pledgor: DONGGUAN MEMTECH ELECTRONIC PRODUCTS Co.,Ltd. Registration number: Y2021440000386 |
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