JP2005281093A - Transparent glass sheet having steps and production method therefor - Google Patents

Transparent glass sheet having steps and production method therefor Download PDF

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JP2005281093A
JP2005281093A JP2004099963A JP2004099963A JP2005281093A JP 2005281093 A JP2005281093 A JP 2005281093A JP 2004099963 A JP2004099963 A JP 2004099963A JP 2004099963 A JP2004099963 A JP 2004099963A JP 2005281093 A JP2005281093 A JP 2005281093A
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transparent
plate glass
film
acid
transparent plate
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Katsuo Ishii
克夫 石井
Tomohiko Mihoya
友彦 三保谷
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BIARUBERO KK
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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

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Abstract

<P>PROBLEM TO BE SOLVED: To constitute a free uneven surface useful for forming a display, a decoration pattern or the like by forming transparent stepped surfaces by etching without lowering transparency of glass, without forming an irregular reflection surfaces of light by etching. <P>SOLUTION: The production method for a transparent glass sheet comprises: a film forming step for forming an acid-resistant film 3 on each area to be left as a first transparent flat surface part 2 of the surface of the transparent glass sheet 1; a cleaning step for cleaning the surface of the transparent glass sheet 1 on which the films 3 are provided in the film forming step; an etching step for forming second transparent flat surface parts 4 each having a step to the first transparent flat surface part 2 by etching areas not covered with the film 3 by dipping the transparent glass sheet 1 into a reagent solution obtained by mixing 20-30% hydrofluoric acid, 20-30% sulfuric acid, 20-30% nitric acid and glycerol; and a film removing step for removing the acid-resistant films 3. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

本発明は、透明板ガラスの表面に、ガラスの透明性を損なうことなくエッチングによる段差を形成して、表示、装飾模様等をなす自由な凹凸面を構成可能な、段差を有する透明板ガラス及びその製造方法に関する。   The present invention relates to a transparent plate glass having a step, which can form a stepped surface by etching on the surface of the transparent plate glass without impairing the transparency of the glass, and can form a free uneven surface forming a display, a decorative pattern, and the like. Regarding the method.

従来、ガラス表面をフッ化水素酸に硫酸アンモニウム等のアンモニウム塩を溶解した薬液を用いて処理することにより、ガラス表面に微細な凹凸を形成して磨りガラスとする工法が下記特許文献１に開示されている。また、板ガラスの表面にサンドブラストエッチングにより無反射性加工面を形成することが下記特許文献２に開示されている。但し、無反射性加工面は、文字、図柄の書き込みを目的とした適度のペンタッチ感覚を与えるためであり、入射光を散乱する凹凸面であり、透明な面を形成するものではない。   Conventionally, the following Patent Document 1 discloses a method for forming polished glass by forming fine irregularities on a glass surface by treating the glass surface with a chemical solution in which an ammonium salt such as ammonium sulfate is dissolved in hydrofluoric acid. ing. Patent Document 2 below discloses that a non-reflective processed surface is formed on the surface of a plate glass by sandblast etching. However, the non-reflective surface is for providing an appropriate pen touch sensation for the purpose of writing characters and designs, and is an uneven surface that scatters incident light, and does not form a transparent surface.

特開平７−２３７９３４号公報JP-A-7-237934 特開２００３−２３７２９５号公報JP 2003-237295 A

上記従来技術では、いずれもガラスの透明性を損なう加工であり、ガラスの透明性を生かした、表示、装飾模様等の形成はできない問題があった。   All of the above prior arts are processes that impair the transparency of the glass, and there is a problem that it is impossible to form a display, a decorative pattern, or the like that takes advantage of the transparency of the glass.

本発明は、上記の点に鑑み、エッチングにより光の乱反射面を形成するのではなく、ガラスの透明性を損なうことなくエッチングにより透明な段差面を形成して、表示、装飾模様等をなす自由な凹凸面を構成可能な、段差を有する透明板ガラス及びその製造方法を提供することを目的とする。   In view of the above points, the present invention does not form a diffuse reflection surface of light by etching, but forms a transparent stepped surface by etching without impairing the transparency of the glass, and is free to form a display, a decorative pattern, etc. An object of the present invention is to provide a transparent plate glass having a step which can form a rough surface and a method for producing the same.

本発明のその他の目的や新規な特徴は後述の実施の形態において明らかにする。   Other objects and novel features of the present invention will be clarified in embodiments described later.

上記目的を達成するために、本願請求項１の発明に係る段差を有する透明板ガラスは、第１の透明な平面部よりも一段低くエッチングされた第２の透明な平面部を有し、第１の平面部と第２の平面部との段差が１．３mm以下であることことを特徴としている。   In order to achieve the above object, a transparent plate glass having a step according to the invention of claim 1 of the present application has a second transparent plane portion etched one step lower than the first transparent plane portion, The step between the flat portion and the second flat portion is 1.3 mm or less.

本願請求項２の発明に係る段差を有する透明板ガラスの製造方法は、透明板ガラスの表面の第１の透明な平面部として残す領域に耐酸性の皮膜を設ける皮膜形成工程と、
前記皮膜形成工程で皮膜を設けた透明板ガラスの表面を洗浄する洗浄工程と、
２０〜３０％フッ化水素酸、２０〜３０％硫酸、２０〜３０％硝酸及びグリセリンを混合した薬液中に前記洗浄工程終了後の透明板ガラスを浸漬し、前記皮膜で覆われていない領域をエッチングして前記第１の透明な平面部に対して段差を有する第２の透明な平面部とするエッチング工程と、
前記耐酸性の皮膜を除去する皮膜除去工程とを備えることを特徴としている。 The method for producing a transparent plate glass having a step according to the invention of claim 2 includes a film forming step of providing an acid-resistant film in a region to be left as the first transparent flat portion of the surface of the transparent plate glass;
A cleaning step of cleaning the surface of the transparent plate glass provided with the coating in the coating formation step;
The transparent plate glass after the completion of the cleaning step is immersed in a chemical solution in which 20 to 30% hydrofluoric acid, 20 to 30% sulfuric acid, 20 to 30% nitric acid and glycerin are mixed, and an area not covered with the film is etched. And an etching step to form a second transparent plane part having a step with respect to the first transparent plane part,
A film removing step for removing the acid-resistant film.

本願請求項３の発明に係る段差を有する透明板ガラスの製造方法は、請求項２において、前記薬液は、体積比で２０〜３０％フッ化水素酸を２０、２０〜３０％硫酸を４０、２０〜３０％硝酸を５、グリセリンを１の割合で混合したものであることを特徴としている。   The method for producing a transparent plate glass having a step according to the invention of claim 3 of the present application is the method according to claim 2, wherein the chemical solution is 20-30% hydrofluoric acid 20, 20-20% sulfuric acid 40, 20 in volume ratio. It is characterized by mixing -30% nitric acid with 5 and glycerin at a ratio of 1.

本願請求項４の発明に係る段差を有する透明板ガラスの製造方法は、請求項２又は３において、前記洗浄工程終了後の透明板ガラスの前記エッチング工程での浸漬時間が５〜１５分であることを特徴としている。   The manufacturing method of the transparent plate glass which has a level | step difference which concerns on invention of this-application Claim 4 is that the immersion time in the said etching process of the transparent plate glass after the said washing | cleaning process is 5 to 15 minutes in Claim 2 or 3. It is a feature.

本発明によれば、第１の透明な平面部よりも一段低くエッチングされた第２の透明な平面部が形成されてなる段差を有する透明板ガラスを作製でき、透明板ガラスの表面に透明性を損なうことなく、大きい面積で凹凸面を形成でき、各種の表示、装飾模様等を形成可能である。   ADVANTAGE OF THE INVENTION According to this invention, the transparent plate glass which has the level | step difference by which the 2nd transparent plane part etched one step lower than the 1st transparent plane part can be produced, and transparency is impaired on the surface of a transparent plate glass Therefore, an uneven surface can be formed with a large area, and various displays, decorative patterns, and the like can be formed.

以下、本発明を実施するための最良の形態として、段差を有する透明板ガラス及びその製造方法の実施の形態を図面に従って説明する。   Hereinafter, as a best mode for carrying out the present invention, an embodiment of a transparent plate glass having a step and a method for producing the same will be described with reference to the drawings.

図１及び図２で本発明に係る段差を有する透明板ガラスの実施の形態を説明する。まず、図１（Ａ）のように、フロートガラス等の透明板ガラス１の表面において、第１の透明な平面部２として残す領域に耐酸性の皮膜３を皮膜形成工程によって形成する。前記皮膜３は、塩化ビニール系、ポリエチレン系等のフィルムで形成するか、又は紫外線硬化型樹脂の印刷（スクリーン印刷）、露光現像で形成する。いずれにしても、後述のエッチング工程（腐食工程）で使用する薬液に耐えられるものである。   1 and 2, an embodiment of a transparent plate glass having a level difference according to the present invention will be described. First, as shown in FIG. 1 (A), an acid-resistant film 3 is formed on the surface of the transparent plate glass 1 such as float glass in the region to be left as the first transparent flat portion 2 by a film forming process. The coating 3 is formed of a vinyl chloride-based or polyethylene-based film, or is formed by UV curable resin printing (screen printing) or exposure development. In any case, it can withstand the chemical used in the etching process (corrosion process) described later.

次に、皮膜形成工程で皮膜を設けた透明板ガラス１の表面を洗浄工程において界面活性剤で洗浄する。   Next, the surface of the transparent plate glass 1 provided with the film in the film forming process is cleaned with a surfactant in the cleaning process.

それから、エッチング工程（腐食工程）において、２０〜３０％フッ化水素酸２０リットル、２０〜３０％硫酸４０リットル、２０〜３０％硝酸５リットル及びグリセリン１リットルを混合した薬液（換言すれば、体積比で２０〜３０％フッ化水素酸を２０、２０〜３０％硫酸を４０、２０〜３０％硝酸を５、グリセリンを１の割合で混合したもの）中に前記洗浄工程終了後の透明板ガラス１を浸漬する。このとき、前記薬液には振動を与えている。これにより、図１（Ｂ）のように前記皮膜３で覆われていない領域をエッチングして第１の透明な平面部２に対して段差を有する第２の透明な平面部４を形成する。なお、前記薬液が上記組成範囲外である場合、及び振動が薬液に付与されていない場合には第２の平面部４の透明性を確保できない。   Then, in the etching process (corrosion process), 20 to 30% hydrofluoric acid 20 liters, 20 to 30% sulfuric acid 40 liters, 20 to 30% nitric acid 5 liters and glycerin 1 liter mixed chemical solution (in other words, volume 20 to 30% hydrofluoric acid in a ratio of 20, 20 to 30% sulfuric acid in 40, 20 to 30% nitric acid in 5 and glycerin in a ratio of 1) in the transparent plate glass 1 after the completion of the washing step Soak. At this time, the chemical solution is vibrated. Thereby, as shown in FIG. 1B, the region not covered with the film 3 is etched to form the second transparent flat surface portion 4 having a step with respect to the first transparent flat surface portion 2. In addition, when the said chemical | medical solution is outside the said composition range, and when the vibration is not provided to the chemical | medical solution, the transparency of the 2nd plane part 4 cannot be ensured.

その後、図１（Ｃ）のように皮膜除去工程において前記耐酸性の皮膜３を除去して、第１の透明な平面部２を露出させる。前記皮膜３の除去は、塩化ビニール系、ポリエチレン系等のフィルムであれば溶剤による剥離によって行い、紫外線硬化型樹脂の場合には強酸、強アルカリ溶液に浸漬し、分解することで行う（いずれにしてもガラスに作用しない溶剤、溶液とする）。前記皮膜除去により、図２のように、第１の透明な平面部２に対して０．１〜０．３mm程度の段差を持って低くなった第２の透明な平面部４が形成された透明板ガラス１が得られる。第１及び第２の平面部２，４の違いは深さの違いであり、広い面積で成形可能である。第１及び第２の透明な平面部２，４の形状は任意であり、文字、符号等の表示、装飾模様等を形成可能である。   Thereafter, as shown in FIG. 1C, the acid-resistant film 3 is removed in the film removal step to expose the first transparent flat portion 2. The film 3 is removed by peeling with a solvent in the case of a vinyl chloride or polyethylene film, and in the case of an ultraviolet curable resin, it is immersed in a strong acid or strong alkali solution and decomposed (in any case). Even if it does not act on glass. By removing the film, as shown in FIG. 2, a second transparent flat surface portion 4 having a height difference of about 0.1 to 0.3 mm with respect to the first transparent flat surface portion 2 was formed. A transparent plate glass 1 is obtained. The difference between the first and second flat portions 2 and 4 is the difference in depth, which can be formed with a large area. The shapes of the first and second transparent flat portions 2 and 4 are arbitrary, and can display characters, symbols, etc., decorative patterns, and the like.

なお、透明板ガラス１は透明性を損なわない濃度で着色された着色板ガラスであってもよい。   The transparent plate glass 1 may be a colored plate glass colored at a concentration that does not impair the transparency.

以上本発明の実施の形態について説明してきたが、本発明はこれに限定されることなく請求項の記載の範囲内において各種の変形、変更が可能なことは当業者には自明であろう。   Although the embodiments of the present invention have been described above, it will be obvious to those skilled in the art that the present invention is not limited to these embodiments, and various modifications and changes can be made within the scope of the claims.

本発明の実施の形態を示す説明図である。It is explanatory drawing which shows embodiment of this invention. 本発明の実施の形態により得られた段差を有する透明板ガラスの斜視図である。It is a perspective view of the transparent plate glass which has the level | step difference obtained by embodiment of this invention.

符号の説明Explanation of symbols

１ 透明明板ガラス
２ 第１の透明な平面部
３ 皮膜
４ 第２の透明な平面部
DESCRIPTION OF SYMBOLS 1 Transparent light plate glass 2 1st transparent plane part 3 Film | membrane 4 2nd transparent plane part

Claims (4)

第１の透明な平面部よりも一段低くエッチングされた第２の透明な平面部を有し、第１の平面部と第２の平面部との段差が１．３mm以下であることを特徴とする段差を有する透明板ガラス。   A second transparent plane part etched by one step lower than the first transparent plane part has a step difference of 1.3 mm or less between the first plane part and the second plane part. A transparent plate glass having a step to make. 透明板ガラスの表面の第１の透明な平面部として残す領域に耐酸性の皮膜を設ける皮膜形成工程と、
前記皮膜形成工程で皮膜を設けた透明板ガラスの表面を洗浄する洗浄工程と、
２０〜３０％フッ化水素酸、２０〜３０％硫酸、２０〜３０％硝酸及びグリセリンを混合した薬液中に前記洗浄工程終了後の透明板ガラスを浸漬し、前記皮膜で覆われていない領域をエッチングして前記第１の透明な平面部に対して段差を有する第２の透明な平面部とするエッチング工程と、
前記耐酸性の皮膜を除去する皮膜除去工程とを備えることを特徴とする段差を有する透明板ガラスの製造方法。 A film-forming step of providing an acid-resistant film in a region left as the first transparent plane part of the surface of the transparent plate glass;
A cleaning step of cleaning the surface of the transparent plate glass provided with the coating in the coating formation step;
The transparent plate glass after the completion of the cleaning step is immersed in a chemical solution in which 20 to 30% hydrofluoric acid, 20 to 30% sulfuric acid, 20 to 30% nitric acid and glycerin are mixed, and an area not covered with the film is etched. And an etching step to form a second transparent plane part having a step with respect to the first transparent plane part,
A method for producing a transparent plate glass having a step, comprising: a film removing step for removing the acid-resistant film. 前記薬液は、体積比で２０〜３０％フッ化水素酸を２０、２０〜３０％硫酸を４０、２０〜３０％硝酸を５、グリセリンを１の割合で混合したものである請求項２記載の段差を有する透明板ガラスの製造方法。   The said chemical | medical solution is what mixed 20-30% hydrofluoric acid 20, 20-30% sulfuric acid 40, 20-30% nitric acid 5 and glycerol in the ratio of 1 by volume ratio. A method for producing a transparent plate glass having a step. 前記洗浄工程終了後の透明板ガラスの前記エッチング工程での浸漬時間が５〜１５分である請求項２又は３記載の透明板ガラスの製造方法。   The method for producing a transparent plate glass according to claim 2 or 3, wherein the immersion time in the etching step of the transparent plate glass after completion of the washing step is 5 to 15 minutes.
JP2004099963A 2004-03-30 2004-03-30 Transparent glass sheet having steps and production method therefor Pending JP2005281093A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100803080B1 (en) 2006-08-25 2008-02-18 (주)금영 A window panel manufacturing method and that window panel of tempered glass
JP2010006644A (en) * 2008-06-27 2010-01-14 Hoya Corp Method of manufacturing glass substrate
KR101248684B1 (en) * 2010-10-09 2013-03-28 이대천 Method of manufacturing tempered glass for display
JPWO2013054934A1 (en) * 2011-10-13 2015-04-02 Hoya株式会社 Manufacturing method of cover glass for portable device
JP2019124065A (en) * 2018-01-17 2019-07-25 株式会社Ｋｖｋ Faucet

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100803080B1 (en) 2006-08-25 2008-02-18 (주)금영 A window panel manufacturing method and that window panel of tempered glass
JP2010006644A (en) * 2008-06-27 2010-01-14 Hoya Corp Method of manufacturing glass substrate
KR101248684B1 (en) * 2010-10-09 2013-03-28 이대천 Method of manufacturing tempered glass for display
JPWO2013054934A1 (en) * 2011-10-13 2015-04-02 Hoya株式会社 Manufacturing method of cover glass for portable device
JP2019124065A (en) * 2018-01-17 2019-07-25 株式会社Ｋｖｋ Faucet
JP7065620B2 (en) 2018-01-17 2022-05-12 株式会社Kvk Water faucet

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