JP2003025837A - Plate for window with frame, and manufacturing method thereof - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a plate for window with a frame which can realize various kinds of variation in the shape of a decorative member, and reliably and easily fit the decorative member to a frame base part. SOLUTION: The plate 90 for window is fitted to forming dies 81 and 82 so that a peripheral edge part is exposed to a cavity 83, the decorative member 22 which is compressed-air molded in advance is fitted to the forming dies 81 and 82 so that a part thereof is exposed to the cavity 83, a resin material is injected in the cavity 83 to form a frame base part 21 integrated with the plate 90 for window and the decorative member 22, and the plate for window in which the frame having the decorative member 22 and the frame base part 21 is integrated with the peripheral edge part is taken out of the forming dies.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window plate member with a frame member, which is mainly attached to a window opening of a vehicle, and has a resin frame member provided at the peripheral edge of the window plate member, and a method for manufacturing the same.

[0002]

2. Description of the Related Art Conventionally, a glass plate with a frame material (a plate material for a window with a frame material) is attached to a window opening of an automobile.
As a glass plate with a frame material, the glass plate is attached to the mold so that the peripheral edge of the glass plate is exposed to the cavity of the mold, and the resin material is injected into the cavity, so that the frame material is attached to the peripheral part of the glass plate. There is an integrated one. As a material for forming the frame member, a synthetic resin material such as soft polyvinyl chloride is generally adopted.

Further, as a glass plate with a frame material, in order to obtain a high-class appearance and a heavy weight appearance, a vehicle outer surface of a base portion (frame material base portion) of a synthetic resin frame material provided on a peripheral portion of the glass plate,
In some cases, a strip-shaped metal decoration material or the like is provided. In this type of glass plate with a frame material, the frame material is composed of a frame material base and a decorative material. In order to provide a decorative material on the vehicle outer side surface of the frame material base, a method is known in which a decorative material previously formed into a predetermined shape by pressing or the like is attached to the frame material base. A method is also known in which, when the frame material base is extruded from the die by an extrusion molding machine, the decoration material is also extruded from the die at the same time, and the decoration material is embedded in the frame material base.

[0004]

In the method of retrofitting the decorative material previously formed by pressing or the like to the frame material base, it takes time and effort to form the decorative material, and the decorative material is firmly attached to the frame material. However, it tended to be complicated and costly. In the method of integrating the frame material base portion and the decoration material by extrusion molding, it was not possible to give various variations to the shape of the decoration material. An object of the present invention is to provide a frame-equipped window plate material capable of providing various variations in the shape of the decoration material and capable of securely and easily attaching the decoration material to the frame material base, and a manufacturing method thereof. It is in.

[0005]

In order to achieve the above-mentioned object, the present invention provides a window plate member, a frame member base fixed to the peripheral portion of the window plate member, and a surface of the frame member base unit. In a window material with a frame material including a frame material having a modified decoration material, the decoration material is bonded to the base material layer facing the base material of the frame material and the base material layer without an adhesive. A window plate material with a frame material, which is formed into a predetermined shape by pressure molding or vacuum molding before being integrated with the frame material base. Further, the present invention, while mounting the window plate material to the molding die so that the peripheral portion of the window plate material is exposed to the cavity of the molding die, a part of the decorative material pre-pressure-molded or vacuum molded The frame is mounted on the mold so as to be exposed in the cavity, and a resin material is injected into the cavity to form a frame material base integrated with the window plate material and the decoration material, and the decoration material and the frame material base. There is provided a method for manufacturing a window plate member with a frame member, which comprises taking out a window plate member having a frame member integrated with a peripheral portion from the molding die.

In the present invention, examples of the window plate material include transparent or translucent glass plates and resin plates. A chromatic glass plate or a resin plate may be used as long as it has sufficient transparency. Examples of the glass plate include a single glass plate and laminated glass. Further, the glass plate may be one that has been strengthened or functionally coated with a heat ray reflective film or the like.
The resin material to be injected into the cavity is selected in consideration of good fluidity during injection molding and excellent appearance and weather resistance after molding. Examples thereof include olefin-based, urethane-based, epoxy-based, acrylic-based thermoplastic elastomers and the like. The material of the base material layer of the decorative material has good compatibility with the resin material injected into the cavity, and the material of the same material is preferable. The material of the decorative layer has good weather resistance and is suitable for the outdoor environment. A material that can withstand and has good scratch resistance is preferable. Examples thereof include acrylic type, polycarbonate type, polyester type, polyvinyl chloride type and the like. The material forming the base material layer is preferably a material having good compatibility with the material forming the decoration layer.

According to the above-mentioned structure, since the decoration material is formed by pressure molding, it is possible to obtain decoration materials having various shapes. Further, since the frame material base is integrally formed on the peripheral edge of the window plate material by injection molding, it is possible to obtain frame material bases of various shapes. By combining the frame material bases of various shapes with the decorative materials of various shapes obtained by pressure molding, it is possible to easily manufacture a frame-equipped window plate material having various appearances.

The thickness of the decorative material is not limited, but 0.1 to 3
It is preferably about mm. The thickness of the base material layer is 0.1
The thickness of the decorative layer is preferably 1 μm.
It is preferable to set it to ˜1 mm. On the surface of the decorative layer of the decorative material (the surface of the decorative layer opposite to the side facing the base material layer),
It is preferable to provide a transparent resin protective layer. With such a transparent resin protective layer, it is possible to prevent the decorative material from being scratched and to adjust the gloss of the decorative material. For example, a transparent resin protective layer such as an ionomer resin can be provided on the surface of the decorative layer. It is preferable to provide an adhesive layer on the surface of the base material layer of the decorative material facing the frame material base. Examples of materials for forming the adhesive layer include urethane-based, acrylic-based, and epoxy-based materials.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings. 1 (A) to 1 (C) are manufactured by the method for manufacturing a plate material for a window with a frame material of the present invention,
It is a principal part sectional view which shows the example of the glass plate with a frame material for motor vehicles. As shown in these drawings, according to the present manufacturing method, the frame material bases 11, 21, 31 and the decorative material 1 having various shapes are formed.
A glass plate with a frame member in which 2, 22, 32 are integrated with the peripheral portion of the glass plate 90 is obtained. Frame material bases 11, 21, 3
1 and the decorative materials 12, 22, 32 extend along the peripheral edge of the glass plate 90 in a direction orthogonal to the paper surface in the drawing. The decorative materials 12, 22, 32 are formed into a predetermined shape by pressure-molding a flat decorative material sheet (not shown).

In the example shown in FIG. 1 (A), a decorative material 12 having a trapezoidal cross section is integrated with the vehicle outer surface (upper surface in the figure) of the frame base 11. The long side of the decorative material 12 having a trapezoidal cross section is
It faces the frame material base portion 11 and is integrated therewith. In the example shown in FIG. 1B, a decorative material 22 having an Ω-shaped cross section is integrated with the vehicle outer surface (upper surface in the drawing) of the frame base 21. The decoration member 22 includes a flat plate portion 22a that extends substantially parallel to the outer surface of the glass plate 90 and provides a design surface, and a flat plate portion 22a.
Side plates 2 that are erected on both edges of the vehicle and extend toward the inside of the vehicle
2b and the glass plate 90 provided at the tip of the side plate portion 22b.
And a locking portion 22c extending substantially parallel to the vehicle outer surface. The locking portion 22c is embedded in the frame material base 21. In the example shown in FIG. 1C, a decorative material 32 having a U-shaped cross section is integrated with the vehicle outer surface (upper surface in the drawing) of the frame base 31. The decorative material 32 includes a flat plate portion 32a that extends substantially parallel to the vehicle outer side surface of the glass plate 90 to provide a design surface, and a side plate portion 32b that is erected on both edges of the flat plate portion 32a and extends toward the vehicle inner side. Is equipped with. The side plate portion 32b is embedded in the frame material base portion 31.

Of the decorative materials 12, 22, 32, an enlarged sectional view of the decorative material 22 is shown in FIG. 2A as an example. Decoration material 2
2 has a base material layer 23, a decorative layer 24 joined to the vehicle exterior surface of the base material layer 23 without an adhesive, and an adhesive layer 25 provided on the vehicle interior surface of the base material layer 23. is doing. Figure 2
As shown in (B), a transparent resin protective layer 26 may be provided on the vehicle outer surface of the decorative layer 24.

A flat decorative material sheet (not shown) of the decorative material 22 before pressure forming is obtained, for example, as follows. First, the base material layer sheet (not shown) that is the material of the base material layer 23 and the decoration layer sheet (not shown) that is the material of the decoration layer 24 are directed toward a pair of heat rollers (not shown). The base layer sheet and the decorative layer sheet are sandwiched and welded between the heat rollers. Next, the adhesive layer 25 is provided on the side of the base layer sheet opposite to the side of the decorative layer sheet.

FIG. 3 shows how the decorative material sheet thus obtained is subjected to pressure molding. The compressed air molding machine 70 includes a housing 71, a core 72 arranged at the bottom of the housing 71, and a heating section 73 arranged near the housing 71.
And have. An injection part 74 for injecting compressed air into the housing 71 is provided on the upper side surface of the housing 71. In order to obtain the decoration material 22, first, a flat decoration material sheet 22 ′ is arranged above the core 72 and below the injection portion 74, as shown by the chain double-dashed line in the figure. Next, the heating section 73 heats the decorative material sheet 22 '. And
Compressed air is injected from the injection part 74 into the housing 71. Then, the decorative material sheet 22 ′ is pressed onto the core 72 by the compressed air, and the decorative material 22 having a shape following the shape of the core 72 is formed. By replacing the core 72 with one having another shape, it is possible to obtain the decorative material 22 having various shapes. Further, in the example shown in the drawing, three decorative materials, which are parallel to the direction vertical to the paper surface, are arranged side by side in the lateral direction of the paper surface. Cut the obtained one in the direction perpendicular to the paper surface,
Three independent elongated members for forming decorative materials can be obtained. The obtained elongated body is cut into a predetermined shape, and the decoration material 22 can be formed in a large amount by one-time pneumatic forming. From this point of view, it is useful to use the decorative material of the present invention formed by pressure molding, because the decorative material can be obtained easily and in large quantities.

FIG. 4A shows a state in which the decorative material 22 thus obtained is mounted in a mold. A cavity 83 is formed by clamping the lower die (one die) 81 and the upper die (other die) 82 of the die. The mold has a glass plate 90 whose peripheral portion is exposed to the cavity 83, and FIG.
The adhesive layer 25 shown in (A) and the decorative material 22 exposed in the cavity 83 are attached. The decoration material 22 may be simply placed on the surface defining the cavity 83 of the mold, but it is adsorbed on the surface defining the cavity 83 by the suction pipe 84 provided in the lower mold 81 or the like. Good.

Next, as shown in FIG. 4B, a resin material is injected into the cavity to form a frame material base portion 21 integrated with the peripheral edge portion of the glass plate 90 and the interior surface of the decorative material 22. After that, the mold is opened, and the glass plate with a frame material in which the frame material base 21 and the decorative material 22 are integrated at the peripheral edge is taken out from the molding die.

According to the method for manufacturing a glass plate with a frame material as described above, the decorative materials 12 having various shapes are formed by pressure molding.
22 and 32 can be obtained. Further, the frame material bases 11, 21, 31 having various shapes can be obtained by injection molding. Then, by combining them, it is possible to easily manufacture a glass plate with a frame material having various appearances.

The present invention is not limited to the above-described embodiments, but can be appropriately modified and improved.
For example, in the peripheral portion of the same glass plate 90, as shown in FIG.
A frame member having the form shown in FIGS. 1B and 1C can also be provided. Also, vacuum forming can be used instead of pressure forming. In the case of vacuum forming, the decorative material sheet is softened by heating on the core, air between the sheet and the core is extracted by a vacuum pump, the softened sheet is adsorbed to the core, and the sheet is cooled and solidified in that state. Compared with vacuum forming to obtain the degree of vacuum required to adapt the decorative material sheet to the core shape, compressed air molding makes it easier to adapt the decorative material sheet to the core shape. It is preferable to mold the decorative material by molding.

[0018]

As described above, according to the present invention,
It is possible to provide various variations in the shape of the decorative material, and to provide a frame-equipped window plate material capable of reliably and easily attaching the decorative material to the frame material base, and a manufacturing method thereof.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing an example of a frame-equipped window plate material manufactured by the present invention.

FIG. 2 is an enlarged cross-sectional view of a decorative material.

[Fig. 3] Fig. 3 is a conceptual diagram illustrating a state of pressure forming.

FIG. 4 is a diagram illustrating a manner in which a frame member base is provided on the peripheral edge of a window plate member.

[Explanation of symbols]

10, 20, 30 Glass plate with frame material (plate material for window with frame material) 11, 21, 31 Frame material base 12, 22, 32 Decorative material 81 Lower mold (molding mold) 82 Upper mold (molding mold) 83 Cavity 90 Glass plate (plate material for windows)

Claims (3)

[Claims] 1. A window with a frame member, comprising: a plate member for a window; and a frame member having a frame member base fixed to a peripheral portion of the window plate member and a decorative member integrated on a surface of the frame member base. In the plate material, the decorative material has a base material layer facing the frame material base, and a decorative layer joined to the base material layer without an adhesive,
A plate material for a window with a frame material, which is formed into a predetermined shape by pressure forming or vacuum forming in advance before being integrated with the frame material base. 2. The plate material for a window with a frame member according to claim 1, wherein the decorative layer is formed of a material having a good compatibility with a material forming the base material layer. 3. The window plate is mounted on the mold so that the peripheral edge of the window plate is exposed in the cavity of the mold, and a part of the decorative material pre-compressed or vacuum-formed is part of the cavity. Mounted on the mold so as to be exposed to, and a resin material is injected into the cavity to form a frame material base integrated with the window plate material and the decoration material, and the decoration material and the frame material base are A method of manufacturing a window plate member with a frame member, comprising: taking out a window plate member having a frame member integrated in a peripheral portion from the molding die.