JP3148013B2 - Manufacturing method of vehicle window with decorative mall - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates, about the method of manufacturing a decorative molding-furnished vehicle window for mounting a decorative material such as metal lustrous molding to the window frame of the vehicle.

[0002]

BACKGROUND ART mounted to the vehicle body of the window glass for a vehicle, a gasket around the plate-like body after bonding the plate-like body formed of a glass plate to the vehicle body, moldings or weather strip or the like (hereinafter collectively referred to It installed a) of the frame Te
Methods have been taken. This method requires a large number of assembling steps and does not provide an excellent watertight window glass.

[0003] In recent years, commonly called module assembly window (hereinafter referred MAW), by integrally molding a frame around the plate-like body, mounted <br/> a frame every plate body in a vehicle Vehicle windows with frames have become widespread.

[0004] This MAW is, for example, one in which a plate is provided in a mold, resin is injected into a cavity of the mold after clamping, and a frame is integrally formed around the plate. It is . In this MAW, when the mold was provided with the plate-shaped body, the decorative mall could be attached to the resin frame by attaching the decorative mall to the mold together with the plate-shaped body.

[0005]

However, when the decorative frame is attached to the mold together with the plate-shaped body when the resin frame is integrally formed on the plate-shaped body, and the decorative mall is attached to the frame, the decorative frame is not used. A special mold for manufacturing a resin frame integrated window with a molding must be prepared, and there is a disadvantage that two or more kinds of molds are required.

Further, in such a case, the degree of freedom of the place where the decorative mall is mounted is limited only by the number of types of molds, and it is difficult to flexibly cope with a design change of the decorative mall. It was impossible to determine whether or not to attach the frame after integrally molding the frame into a plate-like body.

[0007] In addition, attachment to the frame of the decoration molding by an adhesive or the like, the time, cost and Monikaka Runode, is bad extremely work efficiency. In addition, mounting with adhesives, etc., has a low mounting strength, achieving strong mounting.
Lena was bought.

[0008] The present invention solves the drawbacks described above by the prior art had, that provides a method of manufacturing a decorative molding-furnished vehicle window anew.

[0009]

DISCLOSURE OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and a plate-like body is mounted on a mold and a resin frame is integrally formed around the plate-like body. Then, in a method for manufacturing a vehicle window with a decorative molding, in which a decorative molding is attached to the exterior of the resin frame body on the vehicle side, when the resin frame body is integrally formed around the plate-like body, At least a portion of the inner side of the vehicle body on the outer periphery than the end surface of the plate-shaped body attached to the body, a concave portion is provided to form a thin portion, and then, on the vehicle outer side of a portion corresponding to the thin portion of the resin frame,
A decorative molding having a resin layer is abutted such that the resin layer is on the resin frame side, and a welding machine is applied to a thin portion from the inside of the vehicle of the resin frame to weld the resin layer and the resin frame of the decorative molding. the decoration molding you <br/> characterized in that Ru attached to the resin frame.

[0010]

As described above, according to the present invention, when the decorative molding is mounted on the frame of the vehicle window, the resin layer provided on the decorative molding is brought into contact with the resin frame, and the ultrasonic wave is applied from the frame side. Ategai the welder and dielectric heater, etc. welding machine, heat thus resin generated by ultrasonic vibration for melt locally, and a resin layer and a resin frame body decoration molding welded is attached to the frame.

Further, since the decorative molding is attached after the frame is integrally formed on the plate-like body, one type of gold is used regardless of whether the decorative molding is attached to the frame or not. After manufacturing the plate-like body integral with the frame by the mold, it is possible to freely change whether the decorative molding is attached or not attached each time.

[0012]

EXAMPLES Hereinafter, the embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a cross-sectional view of an essential part showing an example of a method of attaching a decorative mall of the present invention to a vehicle window. A resin made of soft polyvinyl chloride ( PVC ) is formed in a peripheral portion of the plate-shaped body 12 made of a glass plate so as to form a thin portion 23 by forming a concave portion 22 on the inner side of the vehicle outside the end face of the plate-shaped body 12. The frame 11 is integrally formed.

The decorative molding 13 having a resin layer 33 made of the same soft PVC as the resin frame 11 is provided on the vehicle exterior side of the portion corresponding to the thin portion 23 thus formed on the resin frame 11, that is, on the design surface side. contact causes. A welding machine 40 composed of an ultrasonic welder is applied to the thin portion 23 to locally melt the resin by heat generated by ultrasonic vibration, and weld the decorative molding 13 and the resin frame 11.

The decorative molding 13 is provided with a concave portion having a substantially U-shaped cross section. An adhesive is applied to the concave portion, and the resin layer 33 is joined . This resin layer 33 serves as the resin frame 11
Face to face in contact with, the decorative molding 13 is Ru mounted on the design surface of the resin frame.

FIG . 2 is a sectional view of an essential part for explaining a method of integrally molding the resin frame of the present invention into a plate-like body. The lower mold 5 is placed such that the plate-shaped body 12 made of a glass plate is located on the inner peripheral side with respect to the concave portion forming portion 54 of the resin frame provided in the mold.
1, the upper mold 52 is closed and the mold is clamped . Spool 5
3 The resin was injected from and integrally molding a resin frame body all around the periphery of the plate 12.

Thus, as in the above embodiment,
You will get a vehicle window with a decoration mall attached,
The manufacturing method of the vehicle window according to the present invention is limited to the above embodiment only.
Is not limited . For example, as the resin frame described earlier in the present invention, a gasket is formed around the plate-like body, moldings, or Ru der those generically weather strip or the like. Frame is rather good be provided on the entire circumference of the plate, rather good even if broken in the middle of the entire circumference, or a piece of the plate-like body intended to provided a predetermined number sides There may be.

The decorative molding according to the present invention may be a continuous provided is such elongate body over the entire circumference of the resin frame, even short, such as those intermittently provided
No. Further, the decorative molding in the present invention may also one side of the resin frame which is used in several sides, rather it may also be one provided in part is not particularly limited and the number.

[0018] Therefore, if there even or lifted decoration mall rather <br/> stand, the decoration molding and the frame, are welded over abutment whole in accordance with the various aspects of the decoration molding as described above be one, but it may also be one that welding only that part. Therefore, the entire circumference of the resin frame
Or thin portion provided for Ategau welding machine part, Ru appropriately provided at a desired location in response to the bonded portion as described above.

[0019] In the present invention, a recess is provided in the thin portion of the frame member Ategau the welder is not limited only to the shape illustrated in the above examples. As long as the resin portion of the frame and decorative molding is molded so as to have only a thin enough welding, in particular restrictions on the shape of the recess is not Na. In addition, in the case where the number of welding locations is several as described above, there is no particular limitation on the location and number of recesses provided that the frame and the decorative molding are securely fixed.

The decorative mall in the present invention is SU
S malls are commonly used . In addition, the present invention
As a decorative mall, such as a glittering mall made of various metals, those having luster to dark colors are preferably used in order to be mounted on a dark resin frame and to provide a window for a vehicle with a beautiful appearance, There is no particular limitation on the material.

As the material of the resin frame used in the present invention, a thermoplastic resin is used so that it can be melted by a welding machine, and in general, soft PVC is used . P
In addition to VC, a thermoplastic copolymer of vinyl chloride and vinyl acetate, a copolymer of vinyl chloride and ethylene,
Elastomers such as copolymers of vinyl chloride and ethylene and vinyl acetate, copolymers of vinyl chloride and propylene, polyolefin elastomers, polyurethane elastomers, polyamide elastomers, polyurethane, chlorinated polyethylene, ethylene propylene diene terpolymer (EPDM) Or other synthetic resin materials.
Further, if necessary, a mixture of two or more of these materials may be used.

[0022] The these thermoplastic resin as a base, may be used plus additive, Ru can also be blended with other thermoplastic resins in order to improve the fluidity. As the thermoplastic resin to be blended, chlorinated polyethylene resin, urethane-modified vinyl chloride resin, urethane resin, acrylic resin, copolymer of ethylene and vinyl acetate ( EV
One or a mixture of two or more of A ) is used.

As the material of the resin layer provided in the decorative molding of the present invention, a thermoplastic resin is used so as to be melted by a welding machine in the same manner as the resin frame . In view of good welding with the resin frame, it is preferable to use the same material as the resin window frame. There is no particular limitation on the joining of the decorative molding main body and the resin layer as long as the joining is performed securely, such as joining using an adhesive, joining using a double-sided tape, or the like , in the longitudinal direction of the decor molding. Ru performed by desired means such as extrusion molding.

In the welding machine used in the present invention, when the resin is applied to the thin portion of the resin frame to melt the resin,
Which can provide localized heat so as not to dissolve a wide range of resin frame is Ru can preferably be used. For example, desired devices such as an ultrasonic welder that generates heat by ultrasonic waves and a dielectric heater that can locally apply heat can be used.

[0025] As the plate-like body in the present invention, but it may also be one be of plate-like curved. As the material of the plate-like member, the sheet glass, laminated glass, tempered glass, glass plates, such as double glazing, synthetic resin plate, or laminates or the like together, are used. As the synthetic resin, for example, so-called organic transparent materials such as polycarbonates, polystyrenes, and polymethyl methacrylates can be used , and those obtained by laminating two or more sheets can also be used.

[0026] but it may also be provided with a separate insert member is a resin frame of the present invention. The insert member may be completely buried in the resin frame or may be partially exposed as long as a position that hinders welding by the welding machine is excluded. Further, as the insert member, a member that can maintain the rigidity of the resin frame body is used, and a plate-shaped metal material, a hard synthetic resin, or the like is preferably used.

[0027]

According to the present invention, when the decorative mall is attached to the frame of the vehicle window, the resin layer provided on the decorative mall and the resin frame are brought into contact with each other, and the frame is superposed from the vehicle inner side. Since the resin layer and the frame are welded by a welding machine such as a sonic welder and the decorative molding is attached to the frame, the work efficiency is good and the installation work can be performed very easily.
Further, a strong and reliable attachment can be realized.

Further, a method of attaching the decorative molding according to the invention, for attaching the decoration molding after mounting the resin frame body plate-like body in a resin frame, or install a decoration molding around the entire circumference of the resin frame, tree or attached to a portion of the fat frame, such or bought an attachment to decoration molding, it is possible to flexibly cope with design changes of the decoration molding.

In particular, when the resin frame is integrally formed on the plate, the decorative molding is not attached to the mold together with the plate, so that one kind of metal mold is required for the above-mentioned design change. A mold alone is sufficient, and there is no need to prepare two or more types of molds according to the pattern of each decorative mall, and a method of manufacturing a vehicle window to which various decorative malls can be easily attached. Obtainable.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view of an essential part showing an example of a method of attaching a decorative mall of the present invention to a vehicle window.

FIG. 2 is a sectional view of an essential part for explaining a method of integrally molding the resin frame of the present invention into a plate-like body.

[Explanation of symbols]

 11: Resin frame 12: Plate 13: Decorative molding 22: Recess 23: Thin portion 33: Resin layer 40: Welding machine 51: Lower die 52: Upper die 53: Spool 54: Depression forming part

Claims (1)

(57) [Claims] 1. Manufacturing a vehicle window with a decorative molding in which a plate-shaped body is mounted on a mold, a resin frame is integrally formed around a periphery of the plate-shaped body, and a decorative molding is attached to a vehicle exterior of the resin frame. in the method, when integrally molding a resin frame body on the periphery of the plate, the resin frame, at least a portion of the interior side of the outer periphery than the plate-like body end face to be mounted on the resin frame, the recess To form a thin portion, and then a decorative molding having a resin layer is abutted on the vehicle outer side of a portion corresponding to the thin portion of the resin frame so that the resin layer is on the resin frame side, and a resin frame is formed. by welding a resin layer and a resin frame body decoration mall held against the welding machine to the thin portion from the inner side of the body, the manufacture of decorative molding-furnished vehicle window to the decoration molding, characterized in that Ru attached to the resin frame Method.