JPS6112898A - Manufacture of decorated body - Google Patents

Abstract

PURPOSE:To stabilize the surface state of a decorated body against aging and to improve the durability by patterning the surface of a substrate with a desired design or desired letters by silk screen printing and by forming a paint film by electrophoresis with paint for electrodeposition. CONSTITUTION:The surface of a substrate 2 is patterned 3 with a desired design or desired letters or colored patternwise by silk screen printing. At least the surface of the substrate 2 is electrically conductive. The substrate 2 is then immersed in anionic liq. paint for electrodeposition contg. dispersed carbon black or the like to form a paint film 4 by electrophoresis.

Description

Detailed Description of the Invention (Field of Industrial Application) The present invention relates to a method for manufacturing decorative bodies such as writing implements, cosmetic containers, and other decorative articles, and more specifically to a method for stabilizing the surface condition of these decorative bodies over time. Seshime.

The present invention relates to a method for manufacturing a decorative body that has significantly improved durability as a result.

(Prior Art) Traditionally, decorative bodies such as writing instruments, cosmetic containers, and other decorative items have been given an aesthetic sense, and by giving these decorative features, attempts have been made to increase their value as products. A variety of surface treatments have been applied, including the following:

One of the well-known methods is to apply a coating to the surface of the decorative body, which is the base material, and then apply a pattern such as a pattern, one letter, and one encirclement on the painted surface using an appropriate printing method. Although the material is good from a decorative point of view, there are patterns on the top surface of the base material, such as each character and each color.

Moreover, since the pattern is formed with moderate unevenness, it is prone to physical abrasion and sweaty hands.

They tend to peel off due to oil, etc., and their outer appearance deteriorates when used for a while, resulting in durability problems over time. Generally, the solution to such problems is to apply a transparent overcoat to the outermost surface of the base material, but in this case, the number of work steps increases, making the process complicated and also increasing the risk of defective products. New problems will arise as the number of children increases.

(Problem to be solved by the invention) The present invention has been made in view of the above circumstances.

By using coating film formation (electrodeposition coating) using the conventionally known printing method and electrophoresis method, conventional problems are eliminated.
It is an object of the present invention to provide a method for manufacturing a decorative body that is stable and durable over time.

(Structure of the invention) Hereinafter, nine aspects of the present invention will be described in detail.

The base material in the present invention may be any material as long as at least its surface has conductivity.2 For example, metals such as iron, stainless steel, aluminum, copper, etc., or materials obtained by plating various types of these materials by dry or wet methods. Furthermore, a conductive film was formed on the surface of the resin by a dry method or a wet method.

Examples include things.

A base material made of these materials is first coated with a pattern of nine characters, nine colors, etc. using an appropriate printing method, and then a coating film is formed on the surface of the base material with this pattern using a well-known electrophoresis method. be done. According to the principle of electrophoresis, the coating film formed here is located only in the uniform portions, that is, only in the grooves between the patterns, and the surface of the substrate as a whole is flat with no irregularities. .

As the printing method, the silk screen printing method is particularly preferable because a clear pattern of one character can be obtained.As the ink, natural curing type, thermosetting type, and UV curing type can be used. Two types, an anionic type and a cationic type, can be employed when forming a coating film by electrophoresis.

A specific example of the present invention will be described below with reference to the accompanying drawings.

1 to 4, glossy nickel plating 2 is applied to the surface of a flitch base material 1 of a writing instrument made of iron, and white ink (Seiko 100) is applied on the bright nickel plating 2.
0, manufactured by Seiko Advance ■) by silk screen printing method, and then immersed in an anionic electrodeposition paint liquid (Honeyclon, manufactured by Honey Kasei ■) in which carbon black was dispersed. DC Loov
A black coating film 4 is formed on the surface of the base material 1 with the pattern 6 by applying a voltage of
Form the groove between them to obtain a writing instrument clip. The clip surface of the obtained writing instrument had a smooth surface, and a clear white pattern was drawn on a black background.

(Effects of the Invention) As described above, the present invention is capable of printing a required pattern of 9 characters on the surface of a base material, at least the surface of which is conductive, by an appropriate printing method.
Apply patterns such as colors.

Thereafter, a coating film is formed on the surface of the base material by electrophoresis, so that the resulting decorative body not only has an excellent aesthetic appearance, but also attracts consumers' desire to purchase it.

Patterns such as 9 characters and 9 colors are firmly adhered to the base material by the coating film formed by electrophoresis, and the surface as a decorative object is smooth, so it will not be damaged by physical abrasion or sweat from hands. Because it does not peel off easily due to oil, etc.

The stability increases with use over time, and the durability can be significantly improved. Furthermore, it can be said to be excellent in mass productivity since it eliminates the need to apply an overcoat in one operation.

[Brief explanation of drawings]

1 to 4 are partially schematic sectional views showing the manufacturing process of a decorative body according to the present invention. 1...Base material 5...Pattern 4...Coating film

Claims (2)

[Claims] (1) At least the surface of a base material whose surface is conductive is coated with a desired pattern, text, color, etc. using an appropriate printing method, and then a coating film is formed on the surface of the base material using an electrophoresis method. A method for manufacturing a decorative body. (2) The method for manufacturing a decorative body according to claim 1, wherein the printing method is a silk screen printing method.