JPH06305067A - Light-transmission decoration having uneven cut surface and manufacture thereof - Google Patents

Abstract

PURPOSE:To obtain a light-transmission decoration with an excellent appearance and manufacture it effectively by disposing a stationary mold and a movable mold to form as a primary molding, and molding integrally contour parts in use of transparent synthetic resin materials in a manner allowing a projected figure to leave. CONSTITUTION:By primary molding, a base B1 is molded with an opaque material. Next, secondary molding is executed to molded decorative plates 1 with a transparent material on contour parts in a state of leaving a projected part (d). Various representations can be achieved by changing the coloring of materials for forming the base B1. A three-layer constitution can also be available by providing an intermediate layer 1' during the secondary molding, i.e., the colors of the base B1 and projected figure (d) are changed by the use of a three color molding machine in order to enable it to be molded effectively. Also, the projected figure (d') can be formed in a manner permitting it to further project from the entire surface. As a consequence of this process, places for heat caulking and adhering means are eliminated, resulting in improvement of the appearances.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a decorative body attached to the exterior surface of an automobile, a two-wheeled vehicle, etc., and a method for producing the same.

[0002]

2. Description of the Related Art The applicant of the present invention has previously described in Japanese Patent Application No. 62-82604 (Japanese Patent Application Laid-Open No. 63-247100) as "a translucent decorative body having an uneven cut surface on the back surface and a method for producing the same".
No.) has been filed. Here, the main points are as shown in FIG. 5, which is colorless or colored and has an uneven cut surface (c) provided on the back surface of a transparent or translucent synthetic resin decorative plate (1). ), A film (5) on which letters, patterns (4), etc. are adhered is adhered, and the cut surface (c) engraved in the uneven shape of one of the molds as its manufacturing method. Set the film (5) on which letters and patterns (4) are displayed, close the mold, and injection-mold a transparent or translucent synthetic resin material to attach the film (5) to the cut surface (c). This is a method for producing a translucent decorative body, characterized in that the decorative plate (1) is formed at the same time as the close contact. Fig. 6 is a diagram showing the outline of how it is attached to the vehicle body. This product is attached to the trunk sheet metal part (T) of the vehicle body by the resin clip (k), and the transparent decorative plate (1) which becomes the cover is attached. The film (5) is adhered to the inner surface, which is the base (B).
It is fixed to. And at that time, the decorative plate (1) and the base
Both (B) and (B) are fixed by means of heat staking or bonding, but the fixing part (e) becomes black and is exposed to the outside through the transparent material of the decorative plate (1), which damages the appearance. There is a fact that Note that FIG. 6 shows an example in which characters and a pattern layer (4a) are provided on the outer side of the cut surface (c) of the decorative body (1) by hot stamping, silk printing or the like.

[0003]

DISCLOSURE OF THE INVENTION The present invention is formed by assembling the above-described decorative plate of the translucent decorative body and its base in a continuous process, and has a smooth surface and a three-dimensional appearance, and an appearance. It is intended to obtain an excellent light-transmitting decorative body and efficiently manufacture it.

[0004]

[Means for Solving the Problems] First, a base part having projections and projections formed on an uneven cut surface is arranged by arranging a fixed mold and a movable mold which are preliminarily shaped according to the shape and configuration of the product. It is formed as a next molded product, and an outer shell made of a transparent synthetic resin material is integrally molded while leaving a protruding figure, and a translucent decorative body having an uneven cut surface and projected on the uneven cut surface The base part that formed the figure,
A fixed mold and a movable mold, which have been molded in advance according to the shape and configuration of the product, are arranged to form a primary molded product, and an outer shell made of a transparent synthetic resin material is integrally molded while leaving a protruding figure. This is a method for producing a translucent decorative body having an uneven cut surface.

[0005]

The translucent decorative body of the present invention, when the decorative plate and the base made of a transparent material are assembled, eliminates the above-mentioned heat staking and the portion of the bonding means, so that the appearance and appearance are remarkably improved. They can be handled in any color, and can be efficiently manufactured by integrally molding in a continuous process with a multicolor molding machine.

[0006]

1 shows a rear portion of an automobile (A), and a rear panel (P) is attached as an example of a product which is a translucent decorative body of the present invention. FIG. 2 shows a part of the surface of the base (B ₁ ) of the primary molded product in the rear panel (P) taken along the line ii ′ of FIG. 1, and shows a figure (d) protruding from the cut surface (c) [this In the example, the character] is formed. In the production, the process proceeds according to (I) to (II) of FIG. Figure 3
(I) and (II) are rear panels (P) of the above-mentioned line II 'in FIG.
Figure 3 (I) shows the cross-sectional shape of the
Mold (B ₁ ) with an opaque material. Secondary molding is performed in FIG. 3 (II), and the decorative plate (1) is molded on the outer portion of the decorative plate (1) by leaving a figure (d) protruding. This example of Fig. 3 (II) can be expressed in various ways by changing the coloring of the material forming the base (B ₁ ). The next Fig. 3 (III) shows the intermediate layer (1 ' ) Is provided to form a three-layer structure. This can change the colors of the base (B ₁ ) and the protruding figure (d) using a three-color molding machine, and efficiently mold it. The example of FIG. 3 (IV) is an example in which a protruding figure (d ′) is formed by further protruding from the entire surface. Instead of sticking to the above-mentioned flat surface configuration as in this example, the protruding figure (d ') is made more convex than the entire surface to give a three-dimensional effect, and an even more three-dimensional effect can be obtained. It will be. FIG. 4 shows a state in which the rear panel (P) shown in FIG. 3 (II) of the present invention is attached to the vehicle body.

[0007]

EFFECTS OF THE INVENTION In order to secure the appearance and appearance of the transparent decorative plate and the base assembly part, the base material should be a black material (same color as the adhesive) or the transparent material should be back-coated. However, in the present invention, it is possible to deal with them by using a free color material for the base, and it is possible to mold them by a multicolor molding machine such as two-color or three-color molding machine. By doing so, it can be manufactured efficiently. By assembling the decorative plate, which is a transparent cover component, and the base in a continuous process, the process is simplified and the man-hours are reduced, resulting in cost reduction. Further, since the above-mentioned heat staking and the part of the adhesion means are eliminated, the appearance and the appearance are remarkably improved, whereby the designability can be enhanced. Further, according to the present invention, there is no need for post-manufacturing steps such as hot stamping or silk printing on the decorative plate shown in FIG. 6 to represent characters or patterns.

[Brief description of drawings]

FIG. 1 is an external view showing a mounting state of a product of the present invention in an automobile.

FIG. 2 is a partially enlarged perspective view of a surface of a base which is a primary molded product of the present invention.

FIG. 3 is an explanatory view showing a manufacturing process of the product of the present invention and its embodiment by a cross section.

FIG. 4 is a cross-sectional view showing how the product of the present invention is attached to an automobile.

FIG. 5 is a partial cross-sectional view of the product of the previous application.

FIG. 6 is a cross-sectional view showing a mounting state of an example of a product of the previous application in an automobile.

[Explanation of symbols]

(1) Decorative plate (c) Cut surface (B ₁ ) Base (4) Character, pattern (4a) Character, pattern layer (d) Convex figure (e) Fixed part

Claims (8)

[Claims] 1. A primary molded product in which a fixed mold and a movable mold, which have been preliminarily shaped according to the shape and structure of the product, are arranged on a base component having a projection protruding from an uneven cut surface. A translucent decorative body having an uneven cut surface, which is formed by integrally molding an outer portion of a transparent synthetic resin material while leaving a protruding figure. 2. A base part having a projection and a projection formed on an uneven cut surface is provided with a fixed mold and a movable mold, which are preliminarily shaped according to the shape and configuration of the product, to form a primary molded product. 2. The translucent decorative body having an uneven cut surface according to claim 1, wherein the outer shape part made of a transparent synthetic resin material is integrally formed so as to be formed and remain in the same plane as the protruding figure. 3. A translucent decorative body having an uneven cut surface, wherein the uneven cut surface is formed by a separate layer having a color different from that of the base part. 4. The translucent decorative body according to claim 1, which has an uneven cut surface characterized in that only the figure is projected. 5. A primary molded product is obtained by arranging a fixed mold and a movable mold, which are preliminarily shaped according to the shape and configuration of the product, of a base component on which a protrusion is formed on an uneven cut surface. A method for producing a translucent decorative body having an uneven cut surface, characterized in that an outer portion made of a transparent synthetic resin material is integrally formed while leaving a protruding figure. 6. A primary part is obtained by arranging a fixed part mold and a movable part mold, which are preliminarily shaped according to the shape and structure of the product, on a base part having a projection protruding from an uneven cut surface. 6. A translucent decorative body having an uneven cut surface according to claim 5, wherein the outer shape part made of transparent synthetic resin material is integrally formed so as to leave the protruding figure and be flush with it. Manufacturing method. 7. The method for producing a translucent decorative body having an uneven cut surface according to claim 5, wherein the uneven cut surface is formed by a separate layer having a color different from that of the base component. 8. The method for producing a translucent decorative body having an uneven cut surface according to claim 5, wherein only the figure is projected.