CN101722297A - Method for forming structure - Google Patents
Method for forming structure Download PDFInfo
- Publication number
- CN101722297A CN101722297A CN200810170435A CN200810170435A CN101722297A CN 101722297 A CN101722297 A CN 101722297A CN 200810170435 A CN200810170435 A CN 200810170435A CN 200810170435 A CN200810170435 A CN 200810170435A CN 101722297 A CN101722297 A CN 101722297A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- mould
- forming method
- composite fibre
- spare
- 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.)
- Granted
Links
Images
Abstract
The invention provides a method for forming a structure which combines fiber materials and metallic materials. The structure is formed in one piece by a mould. The method comprises the following steps of: firstly, forming a compound fiber piece; placing the compound fiber piece in a first mould of the mould; secondly, closing the first mould and a second mould of the mould, and making an opening of a mould cavity of the second mould aligned with and attached to the compound fiber piece; and finally, guiding the metal to the mould cavity so as to form a metallic piece on the compound fiber piece. Therefore, the structure has the surface with special tactility, high shearing strength and tensile strength, is light in weight and thin in the body wall, is suitable for the light, thin, short and small design and can be widely applied to shells of electric products; and more importantly, in the forming method of the invention, the combination of the metallic piece and the compound fiber piece possesses proper strength and reliability, the combination procedure is simplified, and the consumption of auxiliary materials is lowered.
Description
Technical field
The present invention relates to a kind of forming method of structure, particularly utilization is with the forming method of the structure of one binding fiber material and metal material.
Background technology
The shell of various electronic installations was main design direction with smooth exterior all in the past, in recent years develop the electronic device housing that the senior sense of touch of some tools gradually, as materials such as skin, bamboos is the notebook computer casing of appearance, promotes the commodity value of electronic installation and consumer's purchase intention with this.
Glass fiber resin cloth (FRP) is a kind of insulating materials that significantly is used in printed circuit board (PCB), belongs to a kind of material of composite fibre.Study through the present techniques personnel, the structure of its fiber be except bearing bigger tension force, and resin material can bear beyond the very big shearing, can present a kind of special sense of touch in case surface, the hard-cover ancient book of the Buddhist of walking back and forth is general, can significantly promote the texture of electronic product.
Therefore, for instance, use this kind complex fiber material to form shell as shell spare, its ability of bearing bigger external stress can make housing be beneficial to the slimming design, and the quality of this complex fiber material is lighter, more helps the compact design of electronic product.In addition, change glass fibre into carbon fiber if break through tradition, on housing more with the effect of electromagnetic protection.Certainly, other complex fiber material such as: the Ke Weila fiber, all visual its character increases the functional of electronic device housing spare.
But, the characteristic of complex fiber material and plastics and iron (metal) are completely different, when a metalwork will be installed in shell spare inboard, can fix it with plastic overmold unlike plastics, or assist installation by moulding positioning rib on the plastics, also can punching unlike iron or directly riveted it.If metalwork will be contained in the shell spare surface of complex fiber material, only can engage the mode that to associate for current techniques person with existing method with glue or double faced adhesive tape.
Yet more with the operation that glue or double faced adhesive tape engage, material and human cost are higher, more problematic be in conjunction with after intensity and reliability also lower, concerning commercialization production, many negative influences are arranged.
Summary of the invention
Therefore, main purpose of the present invention be to provide a kind of can one binding fiber material and the forming method of the structure of metal material, to improve the problems referred to above.
Purpose of the present invention is providing a kind of forming method of structure, and this structure is that fibrous material combines with the one of metal material.Described forming method cooperates a mould to finish, and this mould comprises one first mould and one second mould, and this second mould has a die cavity.This forming method comprises the following step:
Make a composite fibre spare with the complex fiber material thermosetting at first, earlier; Then, this composite fibre spare is placed this first mould; Closed this first mould and this second mould make the opening of this die cavity be right against this composite fibre spare; At last, import metal to this die cavity of this second mould, to form a metalwork on this composite fibre spare.So, just form the structure that fibrous material combines with the metal material one.
Therefore, utilize one of the present invention to combine fibrous material and metal material, make structure have the surface of special touch, and have powerful shearing resistance, an ability of tension stress, its light weight, body wall are thinner, are suitable for compact design, can be used in electronic product shell spare; Most important, forming method of the present invention makes metalwork have suitable intensity and reliability with combining of composite fibre spare, and the operation of combination is simplified, and can reduce attached consumption of raw materials.
Can utilize the following detailed description and accompanying drawings to be further understood about the advantages and spirit of the present invention.
Description of drawings
Fig. 1 is the decomposing schematic representation of notebook computer part-structure;
Fig. 2 is that the side of structure of the present invention is cutd open schematic diagram;
Fig. 3 is the flow chart of forming method of the present invention;
Fig. 4 is the schematic diagram of composite fibre spare of the present invention;
Fig. 5 is the flow chart of moulding composite fibre spare of the present invention;
Fig. 6 is the view of Fig. 3 step S04 of the present invention to step S08; And
Fig. 7 is that the side of another embodiment of the present invention structure is cutd open schematic diagram.
The specific embodiment
See also Fig. 1, Fig. 1 is the decomposing schematic representation of notebook computer 10 part-structures.With a preferred embodiment, the structure 30 of manufacturing of the present invention can be applicable to the shell spare 20 of commodity, and described commodity for example are electronic goods such as notebook computer 10, LCD, intelligent mobile phone, or non-electronic goods such as packing box, furniture.Fig. 1 is an example with the loam cake of notebook computer 10 tool liquid crystal panels 22, the utilization of description architecture body 30, structure 30 comprises integrated composite fibre spare 32 and metalwork 34, the opposite side (shell spare 20 outsides) relative with metalwork 34 places one side of composite fibre spare 32 is suitable for the surface as shell spare 20, present a kind of special texture and sense of touch in appearance, hard-cover seemingly ancient book is general, and metalwork 34 is convenient to fixer crystal panel 22 in shell spare 20 inboards.
See also Fig. 2, Fig. 2 is that the side of structure 30 of the present invention is cutd open schematic diagram.As seen from the figure, metalwork 34 is shaped in the surface of composite fibre spare 32, because adopt forming method of the present invention, so good set intensity is arranged.In addition, composite fibre spare 32 has powerful shearing resistance, the ability of tension stress, and its light weight so the shell spare of moulding 20 body walls are thinner, is suitable for the compact design of commodity.
See also Fig. 3 (can cooperate Fig. 6 on the structure, follow-up will the detailed description in detail again in Fig. 6), Fig. 3 is the flow chart of forming method of the present invention.The invention relates to the forming method of said structure body 30, described forming method utilizes a mould 40 moulding to make, and mould 40 comprises one first mould 42 and one second mould, 44, the second moulds 44 have a die cavity 4402.This forming method comprises the following step:
Step S02: at first, make a composite fibre spare 32 earlier.About making the detailed description of composite fibre spare 32, will in Fig. 5 and associated description, describe.
Step S04: then, place first mould, 42, the first moulds 42 to have a reception room composite fibre spare 32, this reception room just in time can be accommodated and be placed composite fibre spare 32.The desiring of composite fibre spare 32 is positioned at this reception room bottom surface as the one side of shell spare 20 appearances, and the one side of upwards exposing is the surface as shell spare 20 inside of desiring of composite fibre spare 32, just will be in conjunction with the surface of metalwork 34.
Step S06: closed first mould 42 and second mould 44 make the opening of die cavity 4402 be right against and be attached to the surface of composite fibre spare 32.
Step S08: last, import in the die cavity 4402 of metal to the second mould 44, to form a metalwork 34 on composite fibre spare 32.Wherein, the material of metalwork 34 can adopt materials such as aluminium, magnadure, zinc or titanium, wherein considers cost and usefulness, is good with aluminium.
At the metal material characteristic supplementary notes of metalwork 34, aluminium (temperature is a little less than magnadure); (about 600 ℃ of boiler temperature, this moment, magnadure was complete liquid to magnadure.If adopt the state of half solid-liquid to make, temperature can downgrade about 100 ℃ again.Temperature is about 200 ℃ in the mould, goes out about 520 ℃ of cast gate temperature); Zinc (about 400 ℃ of boiler temperature, this moment, kirsite was complete liquid).
Manufacturing environment explanation when being incorporated into composite fibre spare 32 surfaces at forming metal spare 34, when the metal material of metalwork 34 is an aluminium, when the fibrous material of composite fibre spare 32 is glass fibre, the estimating temperature of its manufacturing environment condition is about between 200 ℃ to 600 ℃, pressure is about between the 100kg/cm2 to 500kg/cm2, and the process time then looks the size shape of finished product and adjusts.The structure of making under this manufacturing environment 30, metalwork 34 has the good binding effect with composite fibre spare 32.
Supplementary notes, at the die cavity 4402 that imports metal to the second mould 44 and form in the step of metalwork 34, can be with die casting mode forming metal spare 34, or the mode forming metal spare 34 that penetrates with semisolid, therefore import in the step of metal at this, the metal of this importing is a motlten metal.What deserves to be mentioned is that the step of this forming metal spare also can be finished by cold-rolling process, be not limited to above-mentioned arbitrary mode.
In addition, see also Fig. 4, Fig. 4 is the schematic diagram of composite fibre spare 32 of the present invention.Composite fibre spare 32 is made up by resin 3202 and one deck fiber cloth 3204 at least, and legend is in order to strengthen the ability of tension stress and shearing resistance, so be provided with six layers of fiber cloth 3204; Wherein the material of fiber cloth 3204 can be carbon fiber (Carbon Fiber; CF), glass fibre (Glass Fiber) or Ke Weila fiber materials such as (Kevlar Fiber).If the material of composite fibre spare 32 adopts carbon fiber, shell spare 20 is with the effect that prevents electromagnetic interference (EMI), and the carbon fiber heatproof reaches more than 1000 ℃, and technology is more prone to.
Selecting for use of resin, its heat resisting temperature are consideration main points, and for example the heat resisting temperature of epoxy resin (Epoxy) is about 250 ℃.Therefore the selecting for use of resin, can further study collocation and selecting other kind and component prescription for use, promoting its heat resisting temperature.
Cooperate Fig. 3 step S02 and Fig. 4, see also Fig. 5, Fig. 5 is the flow chart of moulding composite fibre spare 32 of the present invention.The described composite fibre spare 32 of making further comprises the following step:
Step S0202: according to required thickness and intensity, superimposed multilayer has cut the fiber cloth 3204 of shaping.
Step S0204: these fiber cloth 3204 are immersed in the resin 3202, utilize and immersed the bond of the resin of fiber cloth 3204 as 3204 of each layer fiber cloth.
Step S0206: carry out a thermosetting technology, make those fiber cloth 3204 that immerse resin 3202 form a composite fibre spare 32.Thus, the composite fibre spare 32 of inserting in first mould 42 is the composite fibre spare of heat cure.
Cooperate Fig. 3 to see also Fig. 6, Fig. 6 is the view of Fig. 3 step S04 of the present invention to step S08.Visible mould 40 has die cavity 4402 by second mould 44 and first mould, 42 upper and lower being formed by stacking in second mould 44 in the legend, and die cavity 4402 is communicated to the outside by running channel 4404, and follow-up metal flows in the die cavity 4402 from the outside by running channel 4404.With preferred embodiment, if metal forming is to finish by the semisolid moulding or the mode of die cast, then the metal that flows into die cavity 4402 by running channel 4404 is a molten metal.
In sum, 32 of composite fibre spares place first mould 42.Because composite fibre spare 32 is to make moulding with thermosetting technology, so when the molten metal of high heat contacts the resin 3202 on composite fibre spares 32 surfaces by die cavity 4402, the resin 3202 of thermosetting can be just like the destruction as the blast, to amplify the surface of visible surface formation concaveconvex structure 3202A, make that metal is able to invade slightly downwards; The geometry of this surface relief structure 3202A is particularly conducive to the surface that metalwork 34 clenches composite fibre spare 32, produces well to connect, and can not see in outward appearance, is unlikely to be repugnant to the eye.
Institute's shaped structures body 30 is part shell spares 20 of device (aforesaid commodity), composite fibre spare 32 with in conjunction with the relative another side of the one side of above-mentioned metalwork 34, be the outer surface of this device, the commodity value of its special sense of touch energy lifting device and consumer's purchase intention.
Further see also Fig. 7, Fig. 7 is that the side of another embodiment of the present invention structure 30 is cutd open schematic diagram.At some technology or product, for preventing that metalwork 34 from excessively having destroyed resin 3202 during by metalwork 34 moulding in conjunction with the surface of composite fibre spare 32, forming method as the aforementioned, this forming method can be in metalwork 34 moulding in conjunction with the following step that takes a step forward: a fender 36 is located at composite fibre spare 32 surfaces that metalwork 34 is desired the moulding combinations, subsequently, fender 36 can slow down the high heat and the pressure of metalwork 34 moulding, makes the excessive serious destruction of the unlikely generation of composite fibre spare 32 parts after the moulding.
Wherein, the material of fender 36 is good with metallic film (film), can be aluminium foil, Copper Foil or resistant to elevated temperatures mylar film materials such as (Mylar).Fender 36 thickness that plan is now used are about 0.1～0.2mm; General selection standard is: can directly fit in the material on the composite fibre spare 32, but partial melting after preferably being heated, in order to catch the material of resin 3202 on the composite fibre spare 32, as itself also being the material of resinae.
Under the situation of no fender 36, if when device shell spare 20 finished product hot strengths are not enough, also can be in the surperficial crime of willfully making or propagating computer viruses and other destructive programs matsurface or the concave, convex minor structure of resin 3202, it is strengthened and metalwork 34 between adhesive force.
Therefore, utilize one of the present invention to combine fibrous material and metal material, the surface that makes this structure 30 have special touch, and have powerful shearing resistance, an ability of tension stress, its light weight, body wall are thinner, are suitable for compact design, can be applicable to the electronic product shell part; Most important, forming method of the present invention makes metalwork 34 have suitable intensity and Reliability with combining of composite fibre spare 32, and the operation of combination is simplified, and can reduce attached consumption of raw materials.
Utilize the above detailed description of preferred embodiments, hope can be known description feature of the present invention and spirit more, and is not to come protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain the change of various identity properties and modify in appended claims of the present invention institute restricted portion.
Claims (11)
1. the forming method of a structure cooperates mould to finish, and above-mentioned mould comprises first mould and second mould, and above-mentioned second mould has die cavity, it is characterized in that, above-mentioned forming method comprises the following step:
Make composite fibre spare;
Above-mentioned composite fibre spare is placed above-mentioned first mould;
Closed above-mentioned first mould and above-mentioned second mould make the opening of above-mentioned die cavity be right against above-mentioned composite fibre spare; And
Import metal to the above-mentioned die cavity of above-mentioned second mould, to form metalwork on above-mentioned composite fibre spare.
2. forming method according to claim 1 is characterized in that, above-mentioned composite fibre spare is the combination of resin and at least one fiber cloth.
3. forming method according to claim 2 is characterized in that, the described step of making above-mentioned composite fibre spare also comprises the following step:
Superimposed multilayer has cut the fiber cloth of shaping;
Above-mentioned fiber cloth is immersed resin; And
Carrying out thermosetting technology makes the above-mentioned fiber cloth that immerses above-mentioned resin form composite fibre spare.
4. forming method according to claim 1 is characterized in that, also comprises the following step to the die cavity of above-mentioned second mould and before forming the step of above-mentioned metalwork importing metal:
Fender is located at the above-mentioned composite fibre spare surface that above-mentioned metalwork is desired the moulding combination.
5. forming method according to claim 1 is characterized in that, is importing metal to the die cavity of above-mentioned second mould and form in the step of above-mentioned metalwork with the moulding of die casting mode.
6. forming method according to claim 1 is characterized in that, is importing metal to the die cavity of above-mentioned second mould and form the mode moulding of penetrating with semisolid in the step of above-mentioned metalwork.
7. forming method according to claim 1 is characterized in that, in the step of above-mentioned importing metal, the metal of above-mentioned importing is a motlten metal.
8. forming method according to claim 2 is characterized in that, the material of above-mentioned fiber cloth is the material that is selected from the cohort of being made up of carbon fiber, glass fibre and Ke Weila fiber.
9. forming method according to claim 1 is characterized in that, the said structure body be one the device part shell spare, above-mentioned composite fibre spare be the outer surface of said apparatus in conjunction with the relative another side of the one side of above-mentioned metalwork.
10. forming method according to claim 1 is characterized in that, the material of above-mentioned metal is the material that is selected from the cohort of being made up of aluminium, magnadure, zinc and titanium.
11. forming method according to claim 4 is characterized in that, the material of above-mentioned fender is selected from the material in the cohort of being made up of aluminium foil, Copper Foil, polycarbonate film and mylar film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101704355A CN101722297B (en) | 2008-11-03 | 2008-11-03 | Method for forming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101704355A CN101722297B (en) | 2008-11-03 | 2008-11-03 | Method for forming structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101722297A true CN101722297A (en) | 2010-06-09 |
| CN101722297B CN101722297B (en) | 2012-08-22 |
Family
ID=42444183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101704355A Expired - Fee Related CN101722297B (en) | 2008-11-03 | 2008-11-03 | Method for forming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101722297B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642011A (en) * | 2012-04-09 | 2012-08-22 | 北京理工大学 | Carbon fiber cloth-aluminum alloy compound material and preparation method thereof |
| CN103963312A (en) * | 2013-02-01 | 2014-08-06 | 华为终端有限公司 | Shell preparation method and terminal |
| CN104190903A (en) * | 2014-08-14 | 2014-12-10 | 东莞颠覆产品设计有限公司 | Method of integrally forming non-metal part and metal part |
| CN104190902A (en) * | 2014-08-14 | 2014-12-10 | 东莞颠覆产品设计有限公司 | Method of integrally forming non-metal part and metal part |
| CN104191731A (en) * | 2014-09-06 | 2014-12-10 | 无棣向上机械设计服务有限公司 | High-hardness heat-resisting composite metal material and forming method thereof |
| CN104439168A (en) * | 2014-11-18 | 2015-03-25 | 天津三星通信技术研究有限公司 | Electronic equipment assembly and manufacturing method thereof |
| CN104859157A (en) * | 2014-02-24 | 2015-08-26 | 联想(北京)有限公司 | Manufacturing method for electronic device |
| CN109202043A (en) * | 2018-09-18 | 2019-01-15 | 北京科技大学 | A kind of preparation method of copper clad aluminum and coiled carbon fibers composite bar |
| CN112941428A (en) * | 2021-01-14 | 2021-06-11 | 苏州鸿翼卫蓝新材科技有限公司 | Preparation method of composite plate spring |
| CN115430825A (en) * | 2022-11-08 | 2022-12-06 | 蔚来汽车科技(安徽)有限公司 | Reinforcing method for light alloy castings, and vehicle |
| CN116118122A (en) * | 2022-12-27 | 2023-05-16 | 江苏朗佑精密部件制造有限公司 | Shaping slider motion and double-plastic forming die |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61158884A (en) * | 1984-12-28 | 1986-07-18 | 宇部興産株式会社 | Molten body impregnation and device |
| CN1241085C (en) * | 2001-01-10 | 2006-02-08 | 埔丰实业股份有限公司 | Technology for making carbon fibre reinforced Al-Mg alloy casing of notebook computer |
| US6745819B2 (en) * | 2001-05-17 | 2004-06-08 | Tht Presses Inc. | Vertical die casting press and method of producing die cast metal parts |
| CN2655316Y (en) * | 2003-09-23 | 2004-11-10 | 埔丰实业股份有限公司 | Notebook computer casing |
| CN100386190C (en) * | 2004-06-03 | 2008-05-07 | 马水源 | Fabricating method for laptop outer casing with fibrage texture |
-
2008
- 2008-11-03 CN CN2008101704355A patent/CN101722297B/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102642011A (en) * | 2012-04-09 | 2012-08-22 | 北京理工大学 | Carbon fiber cloth-aluminum alloy compound material and preparation method thereof |
| CN103963312A (en) * | 2013-02-01 | 2014-08-06 | 华为终端有限公司 | Shell preparation method and terminal |
| CN104859157A (en) * | 2014-02-24 | 2015-08-26 | 联想(北京)有限公司 | Manufacturing method for electronic device |
| CN104190902A (en) * | 2014-08-14 | 2014-12-10 | 东莞颠覆产品设计有限公司 | Method of integrally forming non-metal part and metal part |
| CN104190903A (en) * | 2014-08-14 | 2014-12-10 | 东莞颠覆产品设计有限公司 | Method of integrally forming non-metal part and metal part |
| CN104190903B (en) * | 2014-08-14 | 2016-02-10 | 东莞颠覆产品设计有限公司 | The integral formation method of non-metallic member and hardware |
| CN104190902B (en) * | 2014-08-14 | 2016-02-10 | 东莞颠覆产品设计有限公司 | The integral formation method of non-metallic member and hardware |
| CN104191731A (en) * | 2014-09-06 | 2014-12-10 | 无棣向上机械设计服务有限公司 | High-hardness heat-resisting composite metal material and forming method thereof |
| CN104439168A (en) * | 2014-11-18 | 2015-03-25 | 天津三星通信技术研究有限公司 | Electronic equipment assembly and manufacturing method thereof |
| CN109202043A (en) * | 2018-09-18 | 2019-01-15 | 北京科技大学 | A kind of preparation method of copper clad aluminum and coiled carbon fibers composite bar |
| CN112941428A (en) * | 2021-01-14 | 2021-06-11 | 苏州鸿翼卫蓝新材科技有限公司 | Preparation method of composite plate spring |
| CN115430825A (en) * | 2022-11-08 | 2022-12-06 | 蔚来汽车科技(安徽)有限公司 | Reinforcing method for light alloy castings, and vehicle |
| CN116118122A (en) * | 2022-12-27 | 2023-05-16 | 江苏朗佑精密部件制造有限公司 | Shaping slider motion and double-plastic forming die |
| CN116118122B (en) * | 2022-12-27 | 2023-08-11 | 江苏朗佑精密部件制造有限公司 | Shaping slider motion and double-plastic forming die |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101722297B (en) | 2012-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101722297B (en) | Method for forming structure | |
| TW496823B (en) | Process for manufacturing an electromagnetic interference shielding superplastic alloy foil cladded plastic outer shell product | |
| CN204414676U (en) | A kind of composite board and electronic equipment | |
| CN104244642B (en) | The shell structure and its mobile terminal of mobile terminal | |
| CN101573008A (en) | Electronic device shell and manufacturing method thereof | |
| CN105376930B (en) | Electronic product casing and preparation method thereof | |
| CN101754617A (en) | Portable device, front cover thereof and producing method thereof | |
| KR101133814B1 (en) | Electronic casing and method of manufacturing the same | |
| CN102833968A (en) | Method for manufacturing three-dimensional workpiece | |
| CN111016055A (en) | Shell, preparation method of shell and electronic device applying shell | |
| CN207184968U (en) | Electronic device housing and electronic installation | |
| CN205961626U (en) | Composite construction's electronic device shell | |
| TW200702212A (en) | Surface ornamental method of composite material | |
| CN205946346U (en) | Multilayer battery protection circuit board of high heat dissipating ability | |
| CN104507674B (en) | Etched composite wafer | |
| CN202973730U (en) | Refrigerator door | |
| CN103029305A (en) | Making method of carbon fiber housing | |
| CN101594756A (en) | Casing of electronic apparatus | |
| CN206948712U (en) | A kind of shield type rigid-flex combined board | |
| JP5590180B2 (en) | Housing and method for manufacturing the same | |
| JP2001246442A (en) | Casing for portable communication terminal | |
| WO2022028072A1 (en) | Housing structure, preparation method therefor, and electronic device | |
| CN201805654U (en) | Enclosure panel structure of electronic product | |
| CN102300432B (en) | Acrylic hot-press molded electronic product shell | |
| CN201446752U (en) | Laminated structure of electronic product housing panel |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20131103 |