JPS58110787A - Production of window - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method of manufacturing a window for a vehicle.

Automobile opera windows are manufactured by integrally forming a synthetic resin frame around the outer periphery of the window glass. Fig. 1 is a perspective view showing a part of the heavy body of an automobile, and Figs. 2 and 6 are vertical sectional views showing different conventional manufacturing methods. 1 is an opera window, 6 is glass, 4 is a frame made of synthetic resin, and 5 is a mask jig.

The manufacturing method shown in FIG. 2 is to cover the unpainted part of the frame 4 on which the mounting bolt 6 is provided with a mask jig 5, spray paint from a paint gun 7 to paint the painted part shown by arrow a, and then install it. A window is manufactured by attaching the frame 4 to a glass (not shown) using bolts 6.

The manufacturing method shown in FIG. 3 includes forming a frame 4 integrally with synthetic resin on the outer periphery of the glass 6, covering the non-painted part with a mask jig 5,
Paint is sprayed from the paint gun 7 to paint the painted area a,
manufactures windows.

The window manufactured in this way has a cushioning material 8 and a frame 4.
It is attached to the vehicle body panel 10 via the sealing material 9.

However, in such conventional window manufacturing methods, the adhesion of paint to non-painted areas is
To do this, a mask jig made of metal or resin was placed over the area before painting, which caused the following problems.

(1) The parting line between painted and non-painted parts becomes unclear,
1. My self-portrait is a shield.

■ Damage to the coating film itself due to attachment and detachment of the jig.

■ High cost due to the use of highly accurate jigs.

■ Requires equipment and man-hours to clean the jig, leading to higher costs.

This invention was made by paying attention to such conventional problems, and when forming a frame on a window crow, a strip is formed along the inner periphery of the frame, and the strip is cut off after surface treatment. By t! The purpose is to solve problems.

This invention provides a method for manufacturing a window in which a frame is integrally formed with a synthetic resin around the outer periphery of the window glass, which includes: a) setting the glass in an in-ection molded cedar mold;
a step of forming a frame on the outer periphery of the glass, and forming a barrier all around the inner periphery of the frame via a film-like connecting part, b) a step of forming a surface treatment layer on the frame, and C) A process for manufacturing windows that involves cutting out and peeling off the edges along the inner periphery of the frame.

The present invention will be explained below based on the drawings. 4 to 11 are vertical cross-sectional views showing a method for manufacturing a window according to an embodiment of the present invention, FIG. 12 is a perspective view of FIG. 11, and FIG. 13 is a horizontal cross-sectional view showing the installed state. and the first
The same reference numeral 70 as in the figures to FIG. 3 indicates the same or corresponding parts.

In the window manufacturing method, a peelable coating layer 11 is formed in advance from the center of the side surface of the glass 6 to the vicinity of the outer periphery, if necessary. The coating layer 11 is formed by applying a liquid material that solidifies into a film, such as a synthetic resin coating agent such as olefin resin or polyvinyl chloride, by spray coating or the like to form a film, which is then solidified into a film. Form. Of course, resins made of the above materials, polycarbonate resins, polyester resins, A
It may also be formed by pasting a film such as BS resin.

Furthermore, the coating layer 11 may be provided only near the center of the glass, but it may also be provided over the entire surface.

The glass 6 on which the coating layer 11 has been formed is set in an injection mold as shown in FIGS. A film-like connecting part 4 is provided around the entire circumference.
form PaIJ 4 b via a. This process is based on so-called outsert injection molding, and is made of glass 6
A cavity space 12 is formed in a portion corresponding to the outer peripheral edge of the connecting portion forming space 1 adjacent to this cavity space 12.
A glass 6 is inserted between the lower mold 16 and the upper mold 14 which have formed the paris forming space 12b via the mold 2a, and a synthetic resin such as ABS resin is injected to form the frame 4, the connecting portion 4a and the bar 174b.
is formed integrally with the glass 3.

Figure 4 shows the state in which the glass 6 is set on the lower mold 16, and the fifth
The figure shows a state in which the glass 6 is placed on the lower mold 16, and FIG.
FIG. 7 shows a state in which the resin is injected through the gate 17.
b shows the state in which the formed glass 6 is extruded.

The glass 6 having the frame 4, the connecting portion 4a, and the s IJ 4 b formed thereon is then subjected to a surface treatment step. Surface treatments include plating such as chrome plating, vacuum deposition, metal deposition such as sputtering, and painting, and these can be applied alone or in combination. FIG. 8 shows a state in which metal vapor deposition has been performed, and a metal vapor deposition layer 19 is formed on the frame 4, the connecting portion 4a, the pad 4b, and the coating layer 11. Subsequently, as shown in FIG. 9, a mask jig 5 is placed over the non-painted area, and paint is sprayed from a paint gun (not shown) to form a paint film layer 20.

The glass 6 which has been surface-treated by the V cut is cut into the frame 4 by the cutter 21 along the film-like connecting part 4a formed on the inner peripheral edge of the frame 4, as shown in FIG.
Make a cut between 4 b and the coating layer 1 to remove unnecessary parts as shown in FIGS. 11 and 12.
Peel and remove 1. FIG. 11 shows a cross section taken along the line AA in FIG. 12, and the arrow mark indicates the direction of peeling.

The window is completed by the second step, and as shown in FIG. Note that the cushioning material 8, sealing material 9, and vehicle body panel 10 in FIGS. 2, 3, and 9 to 11 show virtual positions.

In the above embodiment, the case where the coating layer 11 was formed was shown, but this is not always necessary, and even if it is formed, its material, forming method, etc. are not limited.

Further, although the case where the bar IJ 4 b is formed to have a thickness different from that of the connecting portion 4 a has been described above, both may have the same thickness. The connecting portion may have a film shape, and its width is not limited.

Further) 2s 4b is preferably formed so as to be connected to the coating 1ii11. Furthermore, the material and method of surface treatment are not limited, nor are the methods of cutting and peeling off the nozzle 4b. This invention is applicable not only to Ozora windows but also to other vehicle windows. ′
□゛As explained above, according to the present invention, when forming a frame on a window glass, the edges are formed along the inner periphery of the frame, and after the surface treatment, the z-edges are cut out. You can get an effect like this.

(1) The parting line between painted and non-painted parts becomes clear.

■ Eliminates the need for masking jigs, resulting in lower costs.

■ There is no damage to the appearance due to attachment and detachment of jigs.

■ Equipment and man-hours required for cleaning jigs can be omitted.

■ When setting glass in the injection mold and forming the frame, it reduces the shock to the glass due to mold clamping.
This can prevent glass breakage.

- If a coating layer is formed, it can be made bright by surface treatment such as plating or all-polar evaporation, and the portion attached to the glass surface can be removed together with the coating layer.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing a part of an automobile body, FIGS. 2 and 6 are vertical sectional views showing different conventional manufacturing methods, and FIGS. 4 to 11 are one embodiment of the present invention. 12 is a perspective view of FIG. 11, and FIG. 16 is a horizontal sectional view showing the installed state. In each figure, the same reference numerals indicate the same or equivalent parts, 1 is the body, 2 is the window, 6 is the glass, 4 is the frame, 4
a is a connecting part, 4b is a paris, 5 is a mask jig, 7 is a painting gun, 8 is a cushioning material, 9 is a sealing material, 10 is a car body panel, 1
1 is a coating layer, 12 is a cavity space, 16 is a lower mold, 14 is an F type, 19 is a metal vapor deposition layer, 20 is a coating layer,
21 is a cutter. Agent Patent Attorney Sei Yanagihara

Claims (2)

[Claims] (1) In a window manufacturing method in which a frame is integrally formed on the outer periphery of the window glass using synthetic resin, a) a crow is placed in an injection mold, a frame is formed on the outer periphery of the glass, and the frame is b) forming a surface treatment layer on the frame along the entire circumference of the frame via a film-like connection; and C) applying S+4 along the inner circumference of the frame. Process of cutting and peeling, manufacturing method of window (2) The method for manufacturing a window according to claim 1, in which a coating layer is previously formed up to the vicinity of the outer periphery before setting the crow in the injection mold. A method for manufacturing a window according to claim 1 or 2, characterized by providing a gap (4) wherein the surface treatment layer is formed by plating, metal vaporization, or painting.Claim 1 The method for manufacturing a window according to any one of claims 2 to 6 (5), wherein the coating layer is peeled off by making cuts along the inner periphery of the window after surface treatment. A method of manufacturing a window described in .