JPH0692663A - Production of decorative glassware - Google Patents

Abstract

PURPOSE:To provide a process for producing decorative glassware having various colored patterns arranged on the surface in high yield without causing the cracking and breakage. CONSTITUTION:A glass material 1 having colored patterns on the surface is formed in such a manner as to get a prescribed pattern. The formed glass material 1 is placed on a glass plate 2 and melted by heating to weld the glass material 1 to the glass plate 2 and obtain the objective decorative glassware 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large decorative glass product used in general buildings such as door glass, window glass, partition glass, etc. and stores, glass decorative materials such as frame materials, and decorative glass such as tableware. It relates to a method of manufacturing a product.

[0002]

2. Description of the Related Art Conventionally, as decorative glass products, decorative glass in which various kinds of colored glass such as stained glass are combined is known. In the production of such decorative glass products, the colored glass corresponding to the pattern divided for each color is individually processed, the colored glass is bonded, and a sealing process is performed to produce one decorative glass, Alternatively, there has been adopted a method in which colored glass processed into a shape having a predetermined pattern is placed on one glass plate and heated to melt and bond the colored glass and the glass plate.

[0003]

However, the former method has a problem in that it requires a lot of time to manufacture, is not suitable for mass production, and requires skill, so that it is a single product.

Further, the latter method has a problem that cracks or damages are likely to occur at the joint between the glass plate and the colored glass of the finished decorative glass product due to the difference in thermal expansion between the colored glass and the glass plate. It was

Therefore, it is possible to adjust the thermal expansion coefficients of the colored glass and the glass plate to be the same, but it is difficult to manufacture colored glass having a uniform thermal expansion coefficient. Further, there is a problem that usable color glass is limited.

The present invention has been made in view of the above circumstances, and an object thereof is to produce a decorative glass product in which various color patterns are arranged with high yield without causing cracking or damage. The present invention intends to provide a method for producing a decorative glass product which can be manufactured. Further, the present invention is to provide a method for producing a decorative glass product suitable for producing a large glass product such as a door glass, a window glass, a partition glass used in a general building or a store.

[0007]

That is, one of the means for solving the above-mentioned problems according to the present invention is that, as described in claim 1, "the surface is colored and the glass material is formed into a predetermined pattern. A decorative glass product characterized by being processed into a shaped shape, and then placing the processed glass material on a glass plate having a thermal expansion coefficient similar to that of the glass material, and heating and melting the glass material. "Manufacturing method of".

In another aspect, as described in claim 2, "on a glass plate, a glass powder having a colored surface is produced, and then the glass material has a thermal expansion coefficient similar to that of the glass material. The method for producing a decorative glass product is characterized in that the glass powder is placed on a substrate so as to form a predetermined pattern, and heated and melted ".

According to another aspect of the present invention, as described in claim 3, "a glass material or glass powder having a thermal expansion coefficient similar to that of a glass plate is placed on a glass plate together with a coloring material and heated. , A method for producing a decorative glass product characterized by melting. "

Here, the glass material or the glass powder has a coefficient of thermal expansion similar to that of the glass plate, and both may use the same material. The coloring applied to the glass material may be one surface or both surfaces of the glass material. When coloring is applied to one side of the glass material surface,
The glass material is preferably transparent. This is because by placing the colored glass material face down on the glass plate, the colored portion can be contained and the discoloration or peeling of the color can be prevented. The coloring of the glass powder may be a part or the whole.

As a method for coloring the surface of the glass material or the glass powder, a method of applying a liquid, paste or powdery coloring material or immersing it in the liquid material and then drying and baking it, or transfer There is a method of baking paper on the surface of glass material. In the case of transfer paper, it is possible to manufacture decorative glass products of various designs because it is possible to give patterns with so-called patterns such as lattice pattern, polka dot pattern, and wood grain pattern.
An inorganic pigment such as a ceramic glaze is used as the coloring material.

The glass powder can be produced by finely crushing the above-mentioned glass material. If glass powder is used, it is possible to produce glass products which are interspersed with various colors.

[0013]

In any of the above-mentioned inventions of claim 1 or 2, the glass material or glass powder whose surface is colored beforehand is used, and the glass material or glass powder is thermally expanded. It is designed to be joined by melting with glass plates having similar coefficients. Therefore, the glass material or glass powder is melt-bonded to the glass plate, and unlike the conventional melt-bonding of the colored glass and the glass plate, it is not the melt-bonding of those having different thermal expansion coefficients, but the finished decorative glass product. There will be no cracking or damage to the joint.

According to the third aspect of the invention, the glass material or the glass powder having a thermal expansion coefficient similar to that of the glass plate is placed on the glass plate together with the coloring material, and heated and melted. The coloring baking process is performed at the same time by utilizing the heating at the time of fusion bonding of the glass material or glass powder and the glass plate. Therefore, the decorative glass product can be manufactured more efficiently than the invention according to claim 1 or 2. Further, also in the invention according to claim 3, unlike the conventional fusion bonding of colored glass and a glass plate, coloring is performed by using fusion bonding of a glass material or glass powder having a similar coefficient of thermal expansion and a glass plate. Since it is applied, it is possible to prevent cracks and damages in the joint portion of the finished decorative glass product.

According to the second aspect of the invention, in addition to being able to manufacture decorative glass products inlaid with various colors, a suitable amount of glass powder is placed on a glass plate to form a pattern on the glass plate. Can be formed. For this reason, the invention according to claim 2 differs from the invention according to claim 1 in that a glass powder manufacturing step is required, but subsequent patterning can be omitted.

In the method according to the first or second aspect of the present invention, when the glass material or glass powder and the glass plate are melt-bonded, it is sufficient to heat the glass to the melting temperature. Therefore, the heating temperature can be lower than that in the case where the coloring material having a high melting temperature and the glass powder are mixed and melt-bonded.

[0017]

EXAMPLES Next, an example of the manufacturing method according to claim 1 will be described with reference to the drawings. As shown in FIG. 1, the surface of the glass material 1 is colored and shaped into a predetermined pattern. To process. The coloring may be performed after processing into a shape having a predetermined pattern. Then, the processed glass material 1
Is placed on the glass plate 2 and heated and melted to form the glass material 1.
The glass plate 2 and the glass plate 2 can be joined together to obtain the decorative glass product 3. In this case, if the colored surface of the glass material 1 is set to the inside, the colored surface is enclosed in the glass base material, and the decorative glass product 3 excellent in weather resistance without discoloration can be obtained.

FIG. 2 is a perspective view showing a mirror frame 10 manufactured by using the manufacturing method according to the first aspect of the present invention. The frame 10 has a glass frame 11 and different colors. A large number of colored glass pieces 12 are fusion-bonded. A mirror 13 is attached to the inside of the frame 11 from the back. The glass frame material with such a decoration can also be manufactured with high yield without cracking or damage.

FIG. 3 is a front view showing a lighting cover 20 manufactured by using the manufacturing method according to the first aspect of the present invention. The lighting cover 20 has a glass cover body 21 with different colors. A large number of colored glass pieces 22 are fusion-bonded. In such a manufacturing method, first, the glass pieces 22 of different colors are melt-bonded to each other, and these are further melt-bonded to the glass cover body 21, so that complicated decoration can be easily performed. it can. Furthermore, the cover body 21 to which the glass piece 22 is melt-bonded can be easily bent to be further heated. Therefore, for example, a method of melting and joining the glass piece 22 to the cover body 21 formed in a flat plate shape and then molding the cover body 21 into a curved shape can be adopted.
With such a processing method, fusion bonding of the glass pieces 22 can be performed easily and reliably, and manufacturing efficiency can be improved.

Next, an example of the manufacturing method according to claim 2 will be described with reference to the drawings. As shown in FIG. 4, after the surface of the glass material 1 is colored, the glass material 1 is crushed to produce a glass powder 4. The glass powder 4 is placed on the glass plate 2 so as to form a predetermined pattern, heated and melted to bond the glass material 1 and the glass plate 2 to each other, whereby the decorative glass product 3 can be obtained. The production of the glass powder 4 whose surface is colored is not limited to the method described above, and the powdered glass may be colored.

In the manufacturing method of the invention described in claim 1 or 2, the heating temperature is usually in the range of 600 to 900 ° C. Also, the heating time is several ten minutes to one hour,
If the heating time is short, it is possible to obtain a decorative glass product having irregularities leaving the corners of the glass material or the glass powder, while the longer the heating time, the corners of the glass material or the glass powder melt and become round, A decorative glass product with smooth unevenness can be obtained.

Further, an example of the manufacturing method according to claim 3 will be described with reference to the drawings. As shown in FIG. 5, the glass powder 4 is placed on the glass plate 2 together with the coloring material 5 and heated and melted. The decorative glass product 3 can be obtained by baking the coloring material 4 and joining the glass material 1 and the glass plate 2. In the case of this manufacturing method, the glass material 1 may be used instead of the glass powder 4.

[0023]

As explained above, according to the invention of claim 1, various kinds of glass materials having similar thermal expansion coefficients are melt-bonded to a glass plate without causing cracks or damages. A decorative glass product in which a color pattern is arranged can be manufactured with high yield.

Further, in the invention described in claim 2, as in the invention described in claim 1, cracking and damage are caused by fusion bonding of glass powder and glass plate having similar thermal expansion coefficients. Without doing so, it is possible to manufacture decorative glass products in which various color patterns are arranged with good yield.

By such a manufacturing method, it becomes easy to manufacture a plurality of single-piece decorative glass products such as stained glass with the same quality, industrial production is possible, productivity is improved, and cost is reduced. be able to.

In addition, such a manufacturing method can easily increase the thickness of the plate and bend it, and unlike the conventionally manufactured decorative glass products, it has strength and excellent weather resistance. And can be easily processed into various shapes. Therefore, it can be applied to the production of large-sized decorative glass products such as door glass, window glass, and partition glass used in general buildings and stores, and also decorations and tableware of complicated shapes such as frame materials. The decorative glass product can be easily manufactured.

Also in the invention according to claim 3, the glass material or glass powder having a similar coefficient of thermal expansion and the glass plate are melt-bonded to each other, so that cracks or damages are caused as in the invention according to claim 1. It is possible to produce decorative glass products with various color patterns arranged in good yield, and to manufacture large decorative glass products such as door glass, window glass and partition glass used in general buildings and stores. It can be applied to the production of decorative glass products such as tableware and complex shaped ornaments such as frame materials, as well as coloring baking using the heating at the time of fusion bonding of glass material or glass powder and glass plate. Since it is performed at the same time, the decorative glass product can be manufactured more efficiently.

[Brief description of drawings]

FIG. 1 is a flowchart showing a manufacturing method according to claim 1.

2 is a perspective view showing a frame for a mirror manufactured by applying the manufacturing method according to claim 1. FIG.

FIG. 3 is a front view showing a lighting cover manufactured by applying the manufacturing method according to claim 1.

FIG. 4 is a flowchart showing a manufacturing method according to claim 2.

FIG. 5 is a flowchart showing a manufacturing method according to claim 3.

[Explanation of symbols]

 1 glass material 2 glass plate 3 decorative glass product 4 glass powder 5 coloring material

Claims (3)

[Claims] 1. A glass material which is colored on its surface and is processed into a shape shaped into a predetermined pattern, and which is then processed on a glass plate having a thermal expansion coefficient similar to that of the glass material. A method for producing a decorative glass product, which comprises placing the sample on a plate, heating, and melting. 2. A glass powder having a colored surface is produced, and then the colored glass powder is formed into a predetermined pattern on a glass plate having a thermal expansion coefficient similar to that of the glass powder. A method for producing a decorative glass product, which comprises placing on a substrate, heating and melting. 3. A method for producing a decorative glass product, which comprises placing a glass material or glass powder having a thermal expansion coefficient similar to that of a glass plate together with a coloring material on the glass plate, and heating and melting the glass material.