CN111302644A - Manufacturing process and system of gradually-changed frosted glass - Google Patents
Manufacturing process and system of gradually-changed frosted glass Download PDFInfo
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- CN111302644A CN111302644A CN202010207245.7A CN202010207245A CN111302644A CN 111302644 A CN111302644 A CN 111302644A CN 202010207245 A CN202010207245 A CN 202010207245A CN 111302644 A CN111302644 A CN 111302644A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 38
- 239000005338 frosted glass Substances 0.000 title claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 108
- 239000011521 glass Substances 0.000 claims abstract description 98
- 239000011550 stock solution Substances 0.000 claims abstract description 52
- 230000008859 change Effects 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 28
- 230000000694 effects Effects 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 19
- 230000008569 process Effects 0.000 claims abstract description 14
- 239000000243 solution Substances 0.000 claims description 34
- 239000003085 diluting agent Substances 0.000 claims description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- 238000001035 drying Methods 0.000 claims description 6
- 238000005530 etching Methods 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000002253 acid Substances 0.000 description 13
- 238000005488 sandblasting Methods 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 230000001502 supplementing effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
Abstract
The invention belongs to the technical field of glass frosting, and particularly relates to a manufacturing process and system of gradual-change frosting glass. The manufacturing process of the gradual change frosted glass is characterized in that a glass original sheet to be manufactured is placed in frosting liquid with gradually changing concentration to manufacture the gradual change frosted glass. The gradual change frosting glass manufacturing system comprises a glass gradual change frosting liquid manufacturing device and a glass original sheet clamping device, wherein the glass gradual change frosting liquid manufacturing device comprises a frosting groove, a liquid inlet arranged on the frosting groove, a frosting original liquid storage groove and a liquid inlet pipe communicated with the frosting original liquid storage groove and the liquid inlet so as to enable the frosting original liquid to enter the frosting groove; the liquid inlet pipe is provided with a flow control valve for adjusting the flow velocity of the frosting stock solution, and the liquid inlet is arranged at one end close to the glass sheet with the largest frosting degree. The manufacturing process of the gradually-changed frosted glass has the advantages of uniform and natural gradually-changed frosting effect, simple and practical process, easy operation and low cost.
Description
Technical Field
The invention belongs to the technical field of glass frosting, and particularly relates to a manufacturing process and system of gradual-change frosting glass.
Background
Glass with graded frosting is increasingly preferred by consumers due to its excellent decorative properties. Taking the field of mobile phones as an example, at present, 3D glass mobile phone rear covers increasingly become mainstream of smart phone markets, and it follows that decoration of mobile phone rear covers also caters to wide market space, gradual change frosted glass is favored by people from bottom to top due to a strong and weak hazy gradual change effect, more and more mobile phone brands adopt gradual change frosted glass as mobile phone rear covers, and the texture and hand feeling of the whole mobile phone are greatly improved; the main method for manufacturing the gradually-changed glass at present adopts a sand blasting process, although the process can achieve the effect of gradually changing the glass, the gradually-changed glass manufactured by the sand blasting process has large roughness, uneven and uneven glass surface and large reduction amplitude of the mechanical strength of the glass, particularly the thickness of the glass used as the mobile phone rear cover is only about 0.3-0.6mm, the sand blasting process greatly reduces the mechanical strength of the glass, and the application and popularization of the gradually-changed glass on the mobile phone rear cover are severely restricted.
Chinese patent document CN 104030574B discloses a production process of frosted graded glass, which comprises the following steps: (1) preparing acid solution for frosting; (2) putting one end of the glass to be processed into an acid solution, and gradually putting the rest part of the glass to be frosted into the acid solution at a preset speed; the speed of the glass entering the acid solution from one end is not fixed; (3) contacting the glass to be processed with an acid solution and reacting for a preset time; (4) and taking out the processed glass. Wherein the step (4) is specifically as follows: taking out the glass from one end of the glass which firstly enters the acid solution at a preset speed or taking out the glass from one end of the glass which finally enters the acid solution at a preset speed; and (2) controlling the speed of the glass entering the acid solution or the speed of the glass taking out the acid solution by adopting a numerical control device with a glass clamp. The production principle of the frosted gradual change glass is as follows: through the mode of gradually entering the acid solution from one end with glass, the speed of different parts of glass entering the acid solution is controlled, so that the reaction time of different parts of glass to be processed contacting the acid solution is different, and different frosting effects are generated at different parts. Because the difference of the reaction time is relatively uniformly changed, the frosted area of the glass to be processed has a uniform gradual change effect. Although the frosted graded glass production process can be used for preparing the frosted graded glass, the moving speed of a glass clamp needs to be accurately controlled, the requirement on equipment is high, and further improvement is needed.
Disclosure of Invention
The invention provides a manufacturing process of gradient frosted glass with different principles, which solves the problems in the prior art by adopting frosting liquid with gradient concentration to realize gradient frosting of a glass original sheet. The gradual change frosting glass manufacturing process has the advantages of uniform gradual change frosting effect and low requirements on glass clamps.
The invention also provides a system for manufacturing the gradually-changed frosted glass.
The manufacturing process of the gradually-changed frosted glass adopts the following technical scheme: a technology for making gradually-changed frosted glass includes such steps as putting raw glass sheet in the frosting liquid with gradually-changed concentration.
Preferably, the frosting solution with gradually changed concentration is prepared according to the following method: and (3) introducing the frosting stock solution into the frosting groove which is filled with the frosting diluent in advance, so that the frosting stock solution is diffused in the frosting groove along the frosting effect gradient direction to realize the gradient change of the concentration of the frosting solution in the frosting groove. The frosting diluent is used for diluting the frosting stock solution and can be water or low-concentration frosting solution (the concentration is lower than that of the frosting stock solution).
Preferably, the frosting stock solution enters the frosting groove through a liquid inlet arranged on the frosting groove, and the liquid inlet is arranged at one end, close to the glass sheet, of the frosting groove, wherein the frosting degree is the maximum.
Preferably, the method comprises the following steps: (1) a preset amount of frosting diluent is led into the frosting groove in advance; (2) placing a glass original sheet to be treated in a frosting groove; (3) adjusting the flow rate of the frosting stock solution to enable the frosting stock solution to enter the frosting groove from the liquid inlet; (4) when the liquid level of the frosting liquid in the frosting groove exceeds the highest position of the preset frosting on the glass sheet, stopping introducing the frosting raw liquid into the frosting groove; (5) after the frosting is finished, taking out the glass original sheet, cleaning and drying to obtain the gradually-changed frosted glass; the step (2) and the step (3) are not in sequence; the frosting diluent is pure water or a diluent of a frosting stock solution.
Preferably, the frosting stoste is stored in a frosting stoste storage tank, and the frosting stoste storage tank is arranged at a higher position than the frosting tank so as to facilitate the frosting stoste to flow into the frosting tank.
Preferably, the frosting stock solution storage tank is connected with the liquid inlet through a liquid inlet pipe, the liquid inlet pipe is provided with a flow control valve, and a liquid conveying device is optionally arranged.
Preferably, the method comprises the following steps: (1) introducing pure water with the volume of 1/3 into the frosting groove in advance and storing the frosting stock solution into a frosting stock solution storage tank; (2) the liquid inlet is arranged at the bottom of the frosting groove, and the flow rate of the frosting stock solution is adjusted, so that the frosting stock solution enters the frosting groove through the liquid inlet at a constant speed to form the frosting solution with the concentration gradually reduced from bottom to top; (3) when the liquid level of the frosting liquid in the frosting groove rises to the middle position of the frosting groove, putting the glass sheet into the frosting groove; (4) and etching for 30s when the liquid level of the frosting liquid in the frosting groove is over the glass original sheet, taking out the glass original sheet, cleaning and drying to obtain the gradually-changed frosting glass.
The gradual change frosting glass manufacturing system adopts the following technical scheme: a gradual change frosting glass manufacturing system comprises a glass gradual change frosting liquid manufacturing device and a glass original sheet clamping device, wherein the glass gradual change frosting liquid manufacturing device comprises a frosting groove, a liquid inlet arranged on the frosting groove, a frosting original liquid storage groove and a liquid inlet pipe communicated with the frosting original liquid storage groove and the liquid inlet so as to enable the frosting original liquid to enter the frosting groove; the frosting device is characterized in that a frosting diluent is arranged in the frosting groove, a frosting stock solution enters the frosting groove and then freely diffuses and is gradually diluted by the frosting diluent to form a frosting solution with gradually-changed concentration, a flow control valve used for adjusting the flow rate of the frosting stock solution is arranged on the liquid inlet pipe, and the liquid inlet is arranged at one end close to the glass stock piece, wherein the frosting degree is maximum. Wherein, the frosting diluent can be pure water or diluted frosting stock solution (such as frosting stock solution diluted by 50 times, 20 times, 10 times or 5 times, etc.) according to the requirement; according to actual needs, the gradual change frosting glass manufacturing system can also optionally comprise other common devices in the field such as a glass original sheet pretreatment device and a drying device, and the gradual change frosting glass manufacturing system can be selected according to actual needs.
Preferably, the liquid inlet pipe is further provided with a liquid conveying device for conveying the frosting stock solution in the frosting stock solution storage tank to the liquid inlet.
Preferably, the liquid inlet is arranged at the bottom end of the frosting groove so as to form a frosting liquid with the concentration decreasing from the bottom to the top of the frosting groove in sequence; the frosting stoste storage tank is arranged at a higher position compared with the frosting groove so that the frosting stoste can flow into the frosting groove conveniently.
The invention has the beneficial effects that: the gradual-change frosting glass is prepared by placing the frosting glass into the frosting liquid with gradually-changed concentration, has uniform and natural gradual-change frosting effect, can be used for preparing a gradual-change frosting glass product with fine and smooth surface, scratch resistance and fingerprint resistance, ensures that the mechanical strength of the original glass is not changed, overcomes the defect of greatly reducing the glass strength caused by a physical sand blasting process, and achieves the aim of obtaining the gradual-change effect by a chemical etching process (can be used for preparing a rear cover of the gradual-change frosting smart phone glass meeting the technical index requirements and the like). The requirement on the frosted glass manufacturing device is low, the moving speed of the glass in and out of the frosted groove does not need to be accurately controlled, the process is simple and practical, the operation is easy, and the cost is low.
According to the specific requirements of customers on the technical indexes of the gradual change glass and the glass material to be processed, selecting and preparing a corresponding proper frosting etching solution, along with the gradual increase of the input amount of the frosting stock solution into the frosting groove, the liquid level in the frosting groove rises, and depending on the water solubility of the etching solution and the diffusion effect of the etching solution, the gradual change frosting solution with gradually changing concentration can be formed in the frosting groove, so that the gradual change frosting of the glass original sheet is realized.
Through setting up the higher position department in comparing in the frosting groove with the frosting stoste storage tank, can reduce liquid conveying equipment's operating pressure to a certain extent, can realize the control to the frosting stoste velocity of flow through adjusting flow control valve, and then can play the effect of adjusting gradual change frosting effect.
The liquid inlet is arranged at the bottom of the frosting groove, the frosting stock solution is conveyed to the bottom of the water groove by adopting a certain device means, the density of the frosting stock solution is greater than that of the frosting diluent (pure water or the diluent of the frosting stock solution can be selected), the frosting stock solution gradually rises along with the increase of the input amount, the input amount and the input speed are controlled by means of the water solubility of the frosting stock solution and the self diffusion effect, the frosting solution with the concentration gradient gradually changing from high concentration to low concentration is formed in the water groove from bottom to top, and the purpose of gradually changing the frosting is realized by the change of the concentration gradient of the frosting solution.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of an apparatus for manufacturing graded frosted glass according to the present invention;
in the figure: 1. a frosting stock solution supplementing pipeline, 2 a frosting stock solution storage tank, 3 a frosting stock solution, 4 a flow control valve, 5 a frosting tank, 6 a frosting diluent, 7 a glass sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The manufacturing process of the gradually-changed frosted glass comprises the following steps:
(1) preparing a frosting stock solution according to the selected material of the glass base sheet and the selection of the frosting solution, and storing the frosting stock solution in a frosting stock solution storage tank for later use (if the frosting stock solution needs to be cured, the frosting stock solution is cured when entering a frosting tank);
(2) 1/3 pure water is introduced into the frosting groove; wherein, the pure water is that the raw materials do not comprise components which can form frosting effect on the surface of the glass, and water sources with various specifications such as tap water, pure water, distilled water, deionized water and the like can be selected according to actual conditions and process requirements; in addition, according to the requirement of the gradual change frosting effect, a person skilled in the art can also introduce a low-concentration frosting solution into the frosting groove, and along with the input of the frosting stock solution, the frosting stock solution and the low-concentration frosting solution are mixed and diffused to form the frosting solution with the gradual change concentration, so as to realize the gradual change frosting of the glass stock solution (the principle is the same as that when water is introduced into the frosting groove, and only the minimum concentration of the gradual change frosting solution obtained in the frosting groove is higher); similarly, according to the requirement of the actual frosting effect, the consumption of the pure water in the frosting groove is also adjustable, and the pure water can be adjusted according to the required gradual-change frosting effect.
(3) Adjusting a flow control valve on a liquid inlet pipe at a liquid inlet for communicating the frosting raw liquid storage tank with the frosting groove to ensure that the frosting raw liquid in the frosting raw liquid storage tank enters the frosting groove through a liquid inlet arranged at the bottom of the frosting groove at a constant speed (suitable for the condition that the frosting raw liquid storage tank is arranged at a high position relative to the frosting groove;
(4) when the liquid level of the liquid in the frosting groove rises to the middle position of the frosting groove (the time for putting the glass original sheet can be determined according to the actual situation), vertically putting the glass original sheet;
(5) continuously opening the flow control valve to enable the frosting stock solution to enter the frosting groove at a constant speed until the liquid level in the frosting groove exceeds the top end of the glass sheet;
(6) keeping standing and etching for about 30s, taking out the glass original sheet, timely washing off reaction attachments generated on the surface of the glass original sheet by weak acid (according to actual conditions, if the step is not necessary, the step can be omitted), cleaning by deionized water, and drying to obtain the gradual-change frosted glass product.
Example 2
As shown in fig. 1, the device for manufacturing gradually-changed frosted glass of the present invention comprises a frosting tank 5, a liquid inlet (not shown in the figure, and can be arranged at the position of an arrow pointing to the direction of the frosting tank in fig. 1) arranged on the frosting tank 5, a frosting raw liquid storage tank 2 (the frosting raw liquid can be supplemented to the frosting raw liquid storage tank 2 through a frosting raw liquid supplementing pipeline 1), and a liquid inlet pipe (a pipeline where a flow control valve 4 is arranged) for communicating the frosting raw liquid storage tank 2 and the liquid inlet so as to enable the frosting raw liquid 3 to enter the frosting tank 5; a frosting diluent 6 is arranged in the frosting groove 5, and the frosting stock solution 3 enters the frosting groove 5 and then freely diffuses and is gradually diluted by the frosting diluent 6 to form a frosting solution with gradually changed concentration; the liquid inlet pipe is provided with a flow control valve 4 for adjusting the flow rate of the frosting stoste 3, and the liquid inlet is arranged at one end close to the glass stoste with the largest frosting degree (for example, as shown in figure 1, the frosting stoste 3 enters the frosting groove 5 through the liquid inlet arranged at the bottom of the frosting groove 5, so that the concentration of the frosting liquid at the bottom of the frosting groove 5 is the largest, and the concentration of the frosting liquid is sequentially reduced from bottom to top to form the frosting liquid with gradually-changed concentration).
With the setting of frosting stoste storage tank 2 in the higher position department of comparing in frosting groove 5, then frosting stoste 3 can get into frosting groove 5 under the action of gravity, need not with the help of liquid conveying equipment, can change the speed that frosting stoste 3 got into frosting groove 5 through adjusting flow control valve 4, and then can play the effect of the concentration gradual change degree or the speed of the frosting liquid of adjusting in frosting groove 5, realize gradual change frosting glass's preparation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The manufacturing process of the gradual change frosted glass is characterized in that the gradual change frosted glass is manufactured by placing a glass original sheet in frosting liquid with gradually changing concentration.
2. The process for manufacturing the graded frosting glass according to claim 1, wherein the frosting liquid with the graded concentration is prepared according to the following method: and (3) introducing the frosting stock solution into the frosting groove which is filled with the frosting diluent in advance, so that the frosting stock solution is diffused in the frosting groove along the frosting effect gradient direction to realize the gradient change of the concentration of the frosting solution in the frosting groove.
3. The manufacturing process of the gradual-change frosting glass according to claim 2, wherein the frosting stock solution enters the frosting groove through a liquid inlet arranged on the frosting groove, and the liquid inlet is arranged at one end of the frosting groove close to the glass raw sheet with the largest frosting degree.
4. The process for making graded frosted glass according to any of claims 1 to 3, comprising the following steps: (1) a preset amount of frosting diluent is led into the frosting groove in advance; (2) placing a glass original sheet to be treated in a frosting groove; (3) adjusting the flow rate of the frosting stock solution to enable the frosting stock solution to enter the frosting groove from the liquid inlet; (4) when the liquid level of the frosting liquid in the frosting groove exceeds the highest position of the preset frosting on the glass sheet, stopping introducing the frosting raw liquid into the frosting groove; (5) after the frosting is finished, taking out the glass original sheet, cleaning and drying to obtain the gradually-changed frosted glass; the step (2) and the step (3) are not in sequence; the frosting diluent is pure water or a diluent of a frosting stock solution.
5. The process for manufacturing graded frosted glass according to claim 4, wherein the frosting dope is stored in a frosting dope storage tank, and the frosting dope storage tank is disposed at a higher position than the frosting bath so that the frosting dope flows into the frosting bath.
6. The process for manufacturing the gradually-changed frosted glass according to claim 4, wherein the frosted stock solution storage tank is connected with the liquid inlet through a liquid inlet pipe, and the liquid inlet pipe is provided with a flow control valve and optionally a liquid conveying device.
7. The process for manufacturing graded frosted glass according to claim 5, comprising the following steps: (1) pre-introducing a frosting diluent with the volume of 1/3 in the frosting groove into the frosting groove and storing a frosting stock solution in a frosting stock solution storage tank; (2) the liquid inlet is arranged at the bottom of the frosting groove, and the flow rate of the frosting stock solution is adjusted, so that the frosting stock solution enters the frosting groove through the liquid inlet at a constant speed to form the frosting solution with the concentration gradually reduced from bottom to top; (3) when the liquid level of the frosting liquid in the frosting groove rises to the middle position of the frosting groove, putting the glass sheet into the frosting groove; (4) and etching for 30s when the liquid level of the frosting liquid in the frosting groove is over the glass original sheet, taking out the glass original sheet, cleaning and drying to obtain the gradually-changed frosting glass.
8. A gradual change frosting glass manufacturing system comprises a glass gradual change frosting liquid manufacturing device and a glass original sheet clamping device, and is characterized in that the glass gradual change frosting liquid manufacturing device comprises a frosting groove, a liquid inlet arranged on the frosting groove, a frosting original liquid storage groove and a liquid inlet pipe communicated with the frosting original liquid storage groove and the liquid inlet so that the frosting original liquid enters the frosting groove; the frosting device is characterized in that a frosting diluent is arranged in the frosting groove, a frosting stock solution enters the frosting groove and then freely diffuses and is gradually diluted by the frosting diluent to form a frosting solution with gradually-changed concentration, a flow control valve used for adjusting the flow rate of the frosting stock solution is arranged on the liquid inlet pipe, and the liquid inlet is arranged at one end close to the glass stock piece, wherein the frosting degree is maximum.
9. The system for manufacturing graded frosted glass according to claim 8, wherein a liquid conveying device for conveying the frosted stoste in the frosted stoste storage tank to the liquid inlet is further arranged on the liquid inlet pipe.
10. The system for manufacturing gradually-changed frosted glass according to claim 8 or 9, wherein the liquid inlet is arranged at the bottom end of the frosting groove so as to form the frosting liquid with the concentration decreasing from bottom to top of the frosting groove in sequence; the frosting stoste storage tank is arranged at a higher position compared with the frosting groove so that the frosting stoste can flow into the frosting groove conveniently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207245.7A CN111302644B (en) | 2020-03-23 | 2020-03-23 | Gradual change frosted glass manufacturing process and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010207245.7A CN111302644B (en) | 2020-03-23 | 2020-03-23 | Gradual change frosted glass manufacturing process and system |
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| Publication Number | Publication Date |
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| CN111302644A true CN111302644A (en) | 2020-06-19 |
| CN111302644B CN111302644B (en) | 2024-04-12 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030574A (en) * | 2014-05-27 | 2014-09-10 | 青岛晶宇玻璃装饰工程有限公司 | Glass frosting refraction-attenuated glass production process |
| JP2017014041A (en) * | 2015-06-30 | 2017-01-19 | 株式会社Ｎｓｃ | Etching device and method for producing glass substrate for light guide plate |
| US20170313620A1 (en) * | 2015-01-20 | 2017-11-02 | Asahi Glass Company, Limited | Chemically strengthened glass and production method for same |
| CN108395111A (en) * | 2018-02-07 | 2018-08-14 | 郑州恒昊光学科技有限公司 | A kind of glass surface gradual change frosting effect manufacture craft and device |
| CN109052980A (en) * | 2018-05-25 | 2018-12-21 | 秦皇岛开普玻璃制品有限公司 | A kind of high temperature frosting process for vial |
-
2020
- 2020-03-23 CN CN202010207245.7A patent/CN111302644B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104030574A (en) * | 2014-05-27 | 2014-09-10 | 青岛晶宇玻璃装饰工程有限公司 | Glass frosting refraction-attenuated glass production process |
| US20170313620A1 (en) * | 2015-01-20 | 2017-11-02 | Asahi Glass Company, Limited | Chemically strengthened glass and production method for same |
| JP2017014041A (en) * | 2015-06-30 | 2017-01-19 | 株式会社Ｎｓｃ | Etching device and method for producing glass substrate for light guide plate |
| CN108395111A (en) * | 2018-02-07 | 2018-08-14 | 郑州恒昊光学科技有限公司 | A kind of glass surface gradual change frosting effect manufacture craft and device |
| CN109052980A (en) * | 2018-05-25 | 2018-12-21 | 秦皇岛开普玻璃制品有限公司 | A kind of high temperature frosting process for vial |
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| CN111302644B (en) | 2024-04-12 |
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