CN102166909A - Method for transferring image-texts on workpiece - Google Patents
Method for transferring image-texts on workpiece Download PDFInfo
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- CN102166909A CN102166909A CN 201010115484 CN201010115484A CN102166909A CN 102166909 A CN102166909 A CN 102166909A CN 201010115484 CN201010115484 CN 201010115484 CN 201010115484 A CN201010115484 A CN 201010115484A CN 102166909 A CN102166909 A CN 102166909A
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Abstract
The invention provides a method for transferring image-texts on a workpiece, which is characterized by comprising the steps of: spraying a first liquid material on the workpiece; converting the first liquid material into a second intermediate-state material under a first condition, wherein the intermediate state is a transition state between the liquid state and a solid state; impressing three-dimensional image-texts on the second material by using a transfer film with the three-dimensional image-texts; and curing the second material to obtain the workpiece with the three-dimensional image-texts. Compared with the prior art, the three-dimensional image-texts can be formed on the surface of the workpiece by using the transfer film with the three-dimensional image-texts, thus the technical problem of unavailable impressing of the three-dimensional image-texts by using the hot transferring method in the prior art is solved. Compared with an electroforming die, the method for transferring the image-texts can be used for preparing the fine and delicate three-dimensional image-texts with lower cost, and the three-dimensional image-texts can be made with various kinds of convex and concave effects according to the demands.
Description
Technical field
The present invention relates to picture and text and print the field, be specifically related to a kind of on workpiece the method for transfer printing image-text.
Background technology
Hot transfer printing claims heat sublimation again, be meant and earlier pattern sprayed on the transfer film, and then by corresponding hot transfer apparatus with the method for printing pattern of the pattern transfer on the transfer film to the surface of workpiece, hot transfer printing is particularly useful at irregular surface of the work impressing pattern.The pattern that forms by heat-transferring method has levels are rich, bright in luster, advantage such as repeatability is good, and is fit to production in enormous quantities.At present, hot transfer technique has been widely used in industries such as plastic cement, cosmetics, toy, electronic product, building materials, gift, packaging for foodstuff, stationery.For example, in electron trade, the pattern on computer monitor shell, keyboard, mouse and the phone housing etc. has all used hot transfer technique in a large number.
The universal method of hot transfer printing is in the prior art: primer spray → heat treatment → transfer printing → topcoating → heat treatment or UV radiation, be specially earlier at surface of the work spraying one deck priming paint, the purpose of spraying priming paint is in order to combine with ink lay is better, again priming paint heat treatment is made its curing, the ink logo that will have on the transfer film is transferred to surface of the work then, spraying is used to improve the finish paint of appearance again, heat-treat at last or the UV radiation makes ink lay and priming paint, finish paint reaction bonded, finish hot transfer printing.
In the universal method of above-mentioned hot transfer printing, the ink lay on the transfer film all is a plane pattern, therefore can only form plane pattern on workpiece, can not form the three-dimensional picture and text with concavo-convex texture on surface of the work.And when the transfer film of use plane pattern carried out transfer printing, the line thickness of surface of the work, sophistication and concavo-convex texture etc. be subjected to bigger limitation.
In the prior art, also the someone uses the electroforming Tool and Die Technology directly at the surface of the work printing figures, to produce fine and smooth lines effect, but this electroforming Tool and Die Technology only is suitable for the part of button class reduced size, and for workpiece such as large-size workpiece such as keyboard, computer casings, that is that all right is ripe for the electroforming Tool and Die Technology, and yield is low, the cost height can't be produced in enormous quantities, therefore is not suitable for printing on erose workpiece the three-dimensional picture and text with fine and smooth lines effect.
Therefore, need a kind of heat-transferring method that can produce three-dimensional picture and text at surface of the work.
Summary of the invention
In view of this, the technical problem to be solved in the present invention be to provide a kind of on workpiece the method for transfer printing image-text, form three-dimensional picture and text by this method at surface of the work.The present invention also provides a kind of surface of shell to have the computer of three-dimensional picture and text.
In order to solve above technical problem, the invention provides a kind of method at the surface of the work transfer printing image-text, comprising: the first liquid material of spraying on workpiece;
Under first condition, first material of described liquid state is converted to second material of intermediate state, described intermediate state be liquid and solid-state between transition state;
Impress on described second material with the transfer film that has the first three-dimensional picture and text, on described second material, obtain the second three-dimensional picture and text; Wherein, the texture of the described second three-dimensional picture and text is corresponding with the texture of the described first three-dimensional picture and text;
Under second condition, solidify described second material and obtain the workpiece that the surface has the described second three-dimensional picture and text.
Preferably, the transfer film that has three-dimensional picture and text in described usefulness also comprised step before printing stereo picture and text on second material:
The 3rd liquid material of spraying on transfer film;
On described the 3rd material, form the first three-dimensional picture and text;
Solidify described the 3rd material.
Preferably, after solidifying described the 3rd material, also comprise step:
On the 3rd material of described curing, form plane pattern.
Preferably, the described usefulness transfer film that has first three-dimensional picture and text impresses on second material and is specially:
The workpiece that the surface is had second material places in the confined space;
Cover on the described workpiece with the transfer film that has the first three-dimensional picture and text;
The first three-dimensional picture and text on the described transfer film are impressed on second material of described surface of the work, on described second material, obtain the second three-dimensional picture and text.
Preferably, be specially on described second material that the first three-dimensional picture and text on the described transfer film is impressed into described surface of the work:
Isolate first space between described transfer film and the workpiece and second space between described transfer film and the described confined space;
In described first space and second space, form negative pressure differential so that the described first three-dimensional picture and text are impressed on described second material, on described second cubic materials, obtain the second three-dimensional picture and text.
Preferably, the described negative pressure differential that forms in described first space and second space is specially so that the described first three-dimensional picture and text are impressed on described second material:
Keep the pressure in first space constant, in second space blanketing gas make pressure in second space greater than the pressure in first space so that the described first three-dimensional picture and text are impressed on described second material, perhaps;
Keep the pressure in second space constant, to first space vacuumize handle make second space pressure greater than the pressure in first space so that the described first three-dimensional picture and text are impressed on described second material, perhaps;
Simultaneously first space is vacuumized and in second space during blanketing gas pressure in second space greater than the pressure in first space so that the described first three-dimensional picture and text are impressed on described second material.
Preferably, the described first stereogram literary composition that forms on described the 3rd material is specially:
Use has the electroforming mould of the first three-dimensional picture and text or chemical etched dies and impresses described the 3rd material and form three-dimensional picture and text.
The present invention also provides a kind of computer, it is characterized in that, comprising:
Housing has dope layer at the outer surface of described housing, and three-dimensional picture and text are arranged on described dope layer, and described three-dimensional picture and text are to be transferred on the outer surface of described housing according to each described method of technique scheme.
The invention provides a kind of on workpiece the method for transfer printing image-text.The present invention is the first liquid material of spraying on workpiece earlier, first material of liquid state is converted to second material of intermediate state under first condition, described intermediate state be meant liquid and solid-state between transition state; Second material of intermediate state helps the printing stereo picture and text, and the transfer printing that will have the first three-dimensional picture and text then forms the second three-dimensional picture and text on second material, and last second material that solidifies under second condition obtains the workpiece that the surface has the second three-dimensional picture and text.Compared with prior art, the present invention can form three-dimensional picture and text by the transfer film that use has three-dimensional picture and text on surface of the work, has solved the technical problem that heat-transferring method of the prior art can not the printing stereo picture and text.Compare with the electroforming mould, the heat-transferring method of printing stereo picture and text provided by the invention just can be prepared fine and smooth exquisite three-dimensional picture and text with lower cost, and these solid picture and text can be made the concave-convex effect of various patterns as required.
The specific embodiment
In order to make those skilled in the art person understand the present invention program better, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
The embodiment of transfer printing image-text method on workpiece that the embodiment of the invention provides comprises:
The first liquid material of spraying on workpiece;
Under first condition, first material of described liquid state is converted to second material of intermediate state, described intermediate state be liquid and solid-state between transition state;
Impress on described second material with the transfer film that has the first three-dimensional picture and text, on described second material, obtain the second three-dimensional picture and text; Wherein, the texture of the described second three-dimensional picture and text is corresponding with the texture of the described first three-dimensional picture and text
Under second condition, solidify described second material and obtain the workpiece that the surface has the described second three-dimensional picture and text.
According to the present invention, first material of described liquid state preferably uses cold coating well known to those skilled in the art, more preferably uses hot melt UV coating well known to those skilled in the art.Described hot melt UV coating is meant through obtaining the UV coating of semi-cured state after the heating.First condition of the present invention is meant the condition that first material of described liquid state is converted into second material of intermediate state, for hot melt UV coating, described intermediate state is meant the semi-cured state that is between liquid and solid-state, and this moment, resin did not have flowability, but can carry out moulding.For hot melt UV coating, described first condition is meant UV coating is heated to suitable temperature and carries out suitable insulation that the temperature and time of described heating is a technological parameter well known to those skilled in the art by the character decision of hot melt UV coating own.
According to the present invention, for transfer film and without particular limitation, can refer to macromolecule membrane well known to those skilled in the art, object lesson can be Merlon, PETG, polymethyl methacrylate (acryl resin, polyacrylic resin), mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA, but be not limited thereto.For the shape of workpiece, the present invention is also without particular limitation, various plastic products such as preferred computer monitor shell, keyboard, mouse.
Please be simultaneously referring to Fig. 1, for form the method schematic diagram of three-dimensional picture and text among the present invention at three-dimensional surface of the work, using the transfer film impression that has the first three-dimensional picture and text on described second material, to form the method for the second three-dimensional picture and text on second material of described workpiece below in conjunction with Fig. 1 explanation.According to the present invention, after workpiece 11 surfaces form the second material 11a of intermediate state, described workpiece 11 is placed in the confined space 12, in the present embodiment, confined space is an airtight box body, then a transfer film 13 that has the first three-dimensional picture and text is covered described surface of the work, the one side that has the first three-dimensional picture and text is contacted with second material of described surface of the work, transfer film can adapt to the shape of various workpiece.Have on the described transfer film and form the first space 12a between side of three-dimensional picture and text and the workpiece, the opposite side of described transfer film and confined space form the second space 12b, the first space 12a and the second space 12b isolate, partition method is specially and transfer film is covered surface of the work fully gets final product, and prevents that gas from connecting in two spaces.
The present invention utilizes the pressure reduction in first space and second space that the first three-dimensional picture and text on the transfer film are stamped in and forms the second three-dimensional picture and text on second material of described workpiece, be specially, can keep the first space 12a is atmospheric pressure state, the pressure in second space in the second space 12b, charges into gas so that greater than the pressure in first space, can be transferred to the first three-dimensional picture and text on the transfer film on described second material under the effect of pressure like this.
Be not limited to above-mentioned a kind of method when utilizing the pressure differential in first space and second space to be stamped in the first three-dimensional picture and text on the transfer film on the described workpiece, can also keep the pressure in second space constant, and first space is vacuumized processing, form the second three-dimensional picture and text like this on second material that also the first three-dimensional picture and text on the transfer film can be transferred to workpiece under the state of negative pressure, the second stereogram stationery that obtains like this has and the corresponding texture of the described first three-dimensional picture and text.With last a kind of mode, keep second space pressure constant, first space is vacuumized can prevent that transfer film from forming fold under the effect of pressure, to influence the transfer printing effect.
In addition, above-mentioned dual mode can also be combined, promptly vacuumize in first space, the filling gaseous state is exerted pressure in getting the people space, so also can reach the first three-dimensional picture and text are transferred to the purpose on second material on the workpiece.
After utilizing transfer film workpiece to be transferred on second material of the semi-solid preparation on the workpiece, workpiece is taken out in confined space, transfer film is peeled off from workpiece, under second condition, solidify the workpiece that second material just obtains having the second three-dimensional picture and text.Second condition of the present invention is meant described second material is converted to solid-state condition.For hot melt UV coating, described second condition is specially and uses the described UV coating of UV-irradiation, so that it solidifies the parameter during for UV-irradiation, can select according to the model of UV coating as power, frequency, belong to general knowledge well known to those skilled in the art.Described UV coating material is preferably acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate copolymer, but be not limited thereto.The UV thickness of coating layer is preferably 3 microns～300 microns, more preferably 100 microns～200 microns.
According to the present invention, the transfer film that will have three-dimensional picture and text walk around print to workpiece before, preferably also comprise step:
The 3rd material of spraying liquid on transfer film;
On described the 3rd material, form the first three-dimensional picture and text;
Solidify described the 3rd material.
According to the present invention, preferably use various resin well known to those skilled in the art for described the 3rd material, more preferably transparent UV resin, transparent UV printing ink more preferably well known to those skilled in the art, described transparent UV printing ink can use acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA etc., but be not limited thereto.Ink film thickness is preferably 12～50 microns, more preferably 20～40 microns.
According to the present invention, after solidifying described the 3rd material, can also form plane pattern on the 3rd material of described curing, like this after transfer printing, the surface that the described plane pattern on the transfer film and three-dimensional picture and text can be transferred to workpiece forms plane pattern and three-dimensional picture and text.Forming described plane pattern can be according to method well known to those skilled in the art, and object lesson can form plane pattern for spraying UV printing ink on described the 3rd material.
According to the present invention, in order on workpiece, to form various colors, the look China ink that can also have versicolor those skilled in the art's resin in described transparent ink lay spraying, the object lesson of look China ink can be for acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA etc.For the look China ink is fixed on the UV coating, can on the look China ink, spray one deck hot melt adhesive layer, be used for the look film is bonded in the UV dope layer.The thickness of ink and color layer is preferably the 3-15 micron, more preferably the 5-12 micron.Hot melt adhesive can use thermosol well known to those skilled in the art, the thermosol object lesson can be for acryl resin, mylar, according to acetate vinyl, polyvinyl chloride and ethyl acetate EVA etc., the thermosol layer thickness is preferably 3～315 microns, more preferably 50～200 microns, more preferably 100 microns～180 microns.Like this, be transferred on the UV coating of workpiece when the three-dimensional picture and text on the transfer film that will have thermosol glue-line, ink and color layer, ink lay after, on described UV coating, can form three-dimensional picture and text, and ink and color layer can stick on the UV dope layer by thermosol.
When on described the 3rd material, forming three-dimensional picture and text, can use etching to have modes well known to those skilled in the art such as the electroforming mould of three-dimensional picture and text or chemical etched dies on transfer film, to impress three-dimensional picture and text, described three-dimensional picture and text can be solid grain, also can be space pattern, there is no particular restriction to this present invention.After impressing three-dimensional picture and text, with the 3rd material cured.The curing of UV printing ink, there is no particular restriction in the present invention, can select uviol lamp to be cured according to the UV ink types, and this belongs to technology well known to those skilled in the art.
According to the present invention, can also have the surface of the work spray paint of three-dimensional picture and text, there is no particular restriction to this present invention.
The present invention also provides a kind of computer, it is characterized in that, comprising: housing, at the outer surface of described housing dope layer is arranged, and three-dimensional picture and text are arranged on described dope layer, described three-dimensional picture and text are to be transferred on the outer surface of described housing according to technique scheme.
Compared with prior art, the present invention can form three-dimensional picture and text by the transfer film that use has three-dimensional picture and text on surface of the work, has solved the technical problem that heat-transferring method of the prior art can not the printing stereo picture and text.Compare with the electroforming mould, the method for printing stereo picture and text provided by the invention just can be prepared fine and smooth exquisite three-dimensional picture and text with lower cost, and these solid picture and text can be made the concave-convex effect of various patterns as required.
In order further to understand the present invention, the preparation of plates method with three-dimensional picture and text provided by the invention is described below in conjunction with embodiment.
Embodiment 1
Please be simultaneously referring to Fig. 2 and Fig. 3, the transfer film structural representation that Fig. 2 provides for present embodiment, the schematic diagram that on workpiece, prepares three-dimensional picture and text that Fig. 3 provides for present embodiment.
Select for use polycarbonate film as hot transfer film, UV printing ink uses Zhejiang section to hope company's 835 serial transparent UV printing ink, UV coating uses Zhejiang section to hope company's 838 serial UV coating, ink and color layer uses Kunshan Fujiization that the 3500LPG type look China ink that provides is provided, and PUR uses Kunshan Fujiization that the S-PAP solvent-based thermal colloidal sol that provides is provided.
As shown in Figure 2, spray UV printing ink earlier on transfer film 13, ink lay 14 thickness are 20 microns, use etching to have the die marks of three-dimensional concave convex texture to form concave convex texture on described UV ink lay then, make its curing with ultra violet lamp UV ink lay.
Spraying one layer thickness is 10 microns a ink and color layer 15 on ink lay, and spraying a layer thickness at ink and color layer then is 100 microns hot melt adhesive layer 16.
Continuation sprays UV coating earlier referring to Fig. 3 on workpiece 11, UV dope layer 11a thickness is 150 microns, workpiece is heated to 70 ℃ then, is incubated 1 hour and makes UV dope layer 11a be in semi-cured state.
Keep second space pressure constant, 12a vacuumizes processing in first space between workpiece 11 and transfer film 13, concave convex texture on transfer film 13 ink laies is impressed on the UV coating on the workpiece forms concave convex texture.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the present invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from the spirit or scope of the present invention in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (8)
1. the method for a transfer printing image-text on workpiece is characterized in that, comprising:
The first liquid material of spraying on workpiece;
Under first condition, first material of described liquid state is converted to second material of intermediate state, described intermediate state be liquid and solid-state between transition state;
Impress on described second material with the transfer film that has the first three-dimensional picture and text, on described second material, obtain the second three-dimensional picture and text; Wherein, the texture of the described second three-dimensional picture and text is corresponding with the texture of the described first three-dimensional picture and text;
Under second condition, solidify described second material and obtain the workpiece that the surface has the described second three-dimensional picture and text.
2. method according to claim 1 is characterized in that, the transfer film that has three-dimensional picture and text in described usefulness also comprised step before printing stereo picture and text on second material:
The 3rd liquid material of spraying on transfer film;
On described the 3rd material, form the first three-dimensional picture and text;
Solidify described the 3rd material.
3. method according to claim 2 is characterized in that, also comprises step after solidifying described the 3rd material:
On the 3rd material of described curing, form plane pattern.
4. method according to claim 1 is characterized in that, the transfer film that described usefulness has the first three-dimensional picture and text is specially at second material impression:
The workpiece that the surface is had second material places confined space;
Cover on the described workpiece with the transfer film that has the first three-dimensional picture and text;
The first three-dimensional picture and text on the described transfer film are impressed on second material of described surface of the work, on described second material, obtain the second three-dimensional picture and text.
5. according to right 4 described methods, it is characterized in that, be specially on described second material that the first three-dimensional picture and text on the described transfer film is impressed into described surface of the work:
Isolate first space between described transfer film and the workpiece and second space between described transfer film and the described confined space;
In described first space and second space, form negative pressure differential so that the described first three-dimensional picture and text are impressed on described second material, on described second cubic materials, obtain the second three-dimensional picture and text.
6. method according to claim 5 is characterized in that, the described negative pressure differential that forms in described first space and second space is specially so that the described first three-dimensional picture and text are impressed on described second material:
Keep the pressure in first space constant, in second space blanketing gas make pressure in second space greater than the pressure in first space so that the described first three-dimensional picture and text are impressed on described second material, perhaps;
Keep the pressure in second space constant, to first space vacuumize handle make second space pressure greater than the pressure in first space so that the described first three-dimensional picture and text are impressed on described second material, perhaps;
Simultaneously first space is vacuumized and in second space blanketing gas make pressure in second space greater than the pressure in first space so that the described first three-dimensional picture and text are impressed on described second material.
7. method according to claim 2 is characterized in that, the described first stereogram literary composition that forms on described the 3rd material is specially:
Use has the electroforming mould of the first three-dimensional picture and text or chemical etched dies and impresses described the 3rd material and form the first three-dimensional picture and text.
8. an electronic equipment is characterized in that, comprising:
Housing has dope layer at the outer surface of described housing, and three-dimensional picture and text are arranged on described dope layer, and described three-dimensional picture and text are to be transferred on the outer surface of described housing according to each described method of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010115484 CN102166909B (en) | 2010-02-26 | 2010-02-26 | Method for transferring image-texts on workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010115484 CN102166909B (en) | 2010-02-26 | 2010-02-26 | Method for transferring image-texts on workpiece |
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| CN102166909A true CN102166909A (en) | 2011-08-31 |
| CN102166909B CN102166909B (en) | 2013-02-13 |
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| CN 201010115484 Active CN102166909B (en) | 2010-02-26 | 2010-02-26 | Method for transferring image-texts on workpiece |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437805A (en) * | 2014-08-15 | 2016-03-30 | 联想(北京)有限公司 | Surface treatment method of magnesium aluminum alloy, magnesium aluminum alloy, electronic device and shell thereof |
| CN105966098A (en) * | 2016-05-16 | 2016-09-28 | Tcl移动通信科技（宁波）有限公司 | Electronic product shell and processing method for forming colorful concave-convex patterns on electronic product shell |
| CN110193991A (en) * | 2019-05-15 | 2019-09-03 | 郑州工程技术学院 | A kind of fine arts solid transferring system and its method |
| CN114535031A (en) * | 2022-02-28 | 2022-05-27 | 深圳华美金属材料科技有限公司 | Textured color-coated sheet and preparation method thereof |
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| JPS52101109A (en) * | 1976-02-09 | 1977-08-24 | Akane Shiyouji Kk | Heat transfer printing method |
| CN2902710Y (en) * | 2006-03-03 | 2007-05-23 | 王锦灿 | Discard type stereo pattern transfer printing mould |
| TW200902333A (en) * | 2007-07-11 | 2009-01-16 | Daxon Technology Inc | Compact disc having relief pattern and transprint method |
| CN201208816Y (en) * | 2008-06-13 | 2009-03-18 | 政伸企业股份有限公司 | Stereoscopic grain-like thermal transfer printing label paper |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52101109A (en) * | 1976-02-09 | 1977-08-24 | Akane Shiyouji Kk | Heat transfer printing method |
| CN2902710Y (en) * | 2006-03-03 | 2007-05-23 | 王锦灿 | Discard type stereo pattern transfer printing mould |
| TW200902333A (en) * | 2007-07-11 | 2009-01-16 | Daxon Technology Inc | Compact disc having relief pattern and transprint method |
| CN201208816Y (en) * | 2008-06-13 | 2009-03-18 | 政伸企业股份有限公司 | Stereoscopic grain-like thermal transfer printing label paper |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437805A (en) * | 2014-08-15 | 2016-03-30 | 联想(北京)有限公司 | Surface treatment method of magnesium aluminum alloy, magnesium aluminum alloy, electronic device and shell thereof |
| CN105966098A (en) * | 2016-05-16 | 2016-09-28 | Tcl移动通信科技（宁波）有限公司 | Electronic product shell and processing method for forming colorful concave-convex patterns on electronic product shell |
| CN110193991A (en) * | 2019-05-15 | 2019-09-03 | 郑州工程技术学院 | A kind of fine arts solid transferring system and its method |
| CN114535031A (en) * | 2022-02-28 | 2022-05-27 | 深圳华美金属材料科技有限公司 | Textured color-coated sheet and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102166909B (en) | 2013-02-13 |
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