JPH07267015A - Manufacture of molding - Google Patents

Abstract

PURPOSE:To enable bending work by joining a main body to a single surface of a metallic foil sheet layer in the nondecorative surface part, and joining leg parts of ionomer resin to the other surface of the metallic foil sheet layer. CONSTITUTION:For example, a bumper molding 1 is composed of a main body 2 and leg parts 5 having a grip action. This main body 2 is molded by soft synthetic resin such as PVC, and a decorative surface 3 is formed on an outside surface. The leg parts 5 are molded by ionomer resin, and the tip sides are formed as two pieces having a spring action, and are used as a grip. The base part 6 is slightly embedded in the reverse 4 of the main body 2, and is joined by a joining part 7. This joining part 7 is formed through a metallic foil sheet layer 8. That is, for example, the main body 2 is adhered to a single surface of aluminium foil 8 having a thickness of about 100mu in a part except the decorative surface 3 through an adhesive layer 10. The leg parts 5 are adhered to the other surface of the aluminium foil 8 by heating melting.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding used for vehicles, ships, buildings and the like.

[0002]

2. Description of the Related Art Conventionally, for example, as shown in FIG. 8, a bumper molding 41 has a molding main body 42 and a leg portion 43 serving as a clip integrally formed of an ionomer resin. The decorative surface 44 of the main body 42 has a decorative film 45 arranged in a mounting recess on the surface thereof.
5 is covered with a coating resin layer 46 made of a transparent ionomer resin.

[0003]

However, since the above-mentioned conventional bumper molding 41 is entirely made of an ionomer resin, it is too rigid, and there is a problem that it cannot follow a small corner portion when mounted. However, there is a problem in that it is expensive because it is entirely made of an ionomer resin. In addition, a transparent ionomer resin (coating resin layer 4
The decorative surface 44 covered with 6) had a problem that it could not be used for a long time because the ionomer resin itself had no weather resistance.

Therefore, the object of the present invention is to make the main body of the molding a flexible synthetic resin that can be bent, the legs are made of ionomer resin, and the legs are tough and have appropriate elasticity, and the material cost is low. The object is to provide a molding that can be obtained and that has a durable decorative surface.

[0005]

Means for Solving the Problems The means of the present invention for achieving the above object is to join a molding body of a soft synthetic resin having a decorative surface on its surface and a leg portion of an ionomer resin to be a clip. The main body is joined to a metal foil sheet layer via an adhesive layer, and the metal foil sheet layer has a joining structure in which the legs are joined by heat fusion, and the main body surface is The decorative surface is a molding formed by polymerizing and adhering a transparent fluororesin layer on a colored layer applied to the main body via a transparent adhesive layer. The molding has a predetermined shape depending on the application point.

[0006]

[Operation] The main body of the molding is soft and can be bent if necessary. The legs are strong and elastic, which is desirable as a clip. The body is adhered to one side of the metal foil sheet layer with an adhesive, and the legs are joined to the other side of the metal foil sheet layer. The ionomer resin has a carboxylic acid group in its molecular structure and can be bonded to the metal particles of the metal foil sheet layer by heat melting of the resin. The metal foil sheet layer serves for adhesion of the ionomer resin. Since the colored layer is covered with the fluororesin layer on the decorative surface, the weather resistance of the colored layer is good.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 4 shows a bumper molding 1 attached to a bumper of an automobile. The bumper molding 1 mainly has a molding main body (also simply referred to as a main body) 2 and a proper number of leg portions 5 that perform a clip action. As shown in FIG. 1, the main body 2 is made of PVC.
Made of soft synthetic resin such as (polyvinyl chloride),
The outer surface side is processed to form the decorative surface 3.
As shown in FIG. 3, the decorative surface 3 is provided with a colored layer 11 by painting on the upper surface of the main body 2, and a transparent fluororesin layer 13 is superposed on the colored layer 11 via a transparent adhesive layer 12. It is glued. The color of the colored layer 11 is the same as or different from the surrounding exterior color. The fluororesin layer 13 on the surface has good weather resistance and protects the colored layer 11 below.

The leg portion 5 is made of an ionomer resin and has a tip end portion which is divided into two pieces having a spring action, and a base portion 6 of the leg portion 5 is embedded in the back surface 4 of the main body 2 and joined thereto. 7 is a joint. As shown in FIG. 2, the joint 7 between the main body 2 and the leg 5 base 6 is provided via the metal foil sheet layer 8. The metal foil sheet layer 8 is formed of a metal foil sheet, and the metal foil sheet layer 8 of this example has a thickness of 10 mm, for example.
A 0 μm aluminum foil is used. The main body 2 is adhered to the surface of the metal foil sheet layer 8 via the adhesive layer 10, and the leg portion 5 is adhered to the other surface of the metal foil sheet layer 8 by heating and melting the base portion 6. Since the leg portion 5 is made of an ionomer resin, it is chemically adhered to the surface of the metal foil sheet layer 8 by heating and melting the base portion 6. The main body 2 and the leg portion 5 are firmly joined by the joining portion 7.

The bumper molding thus formed is mounted on the mounting portion of the automobile bumper through the legs 5 to 5.

Next, a second embodiment of the present invention will be described with reference to FIGS.
It will be described based on. The second embodiment is a case of a wind molding 21 of an automobile, and FIG. 5 shows a cross section including a joint portion 27 of a main body 22 and a leg portion 25. Body 2
2 is made of soft synthetic resin such as PVC, and sealing members 23, 23 for sealing are attached to predetermined portions. The outer surface of the main body 22 is processed to form the decorative surface 31. As shown in FIG. 7, the decorative surface 31 has a colored layer 32 formed by painting on the upper surface of the main body 22, and a transparent fluororesin layer 34 is superposed on the colored layer 32 via a transparent adhesive layer 33. It is glued. The color of the colored layer 32 is the same as or different from the surrounding exterior color.

When molding the wind molding 21, the colored layer 3 is formed on the sheet 22A made of the same material as the main body 22.
2, a laminated film F in which an adhesive layer 33 and a fluororesin layer 34 are sequentially stacked and joined together is prepared in advance, placed in an extrusion mold, and the main body 22 is extruded and molded on the sheet 22A side of the laminated film F. The main body 22 and the laminated film F are joined (M in FIG. 7 indicates a fused portion between the sheet 22A and the main body 22), and the decorative surface 31 of the fluororesin layer 34 is formed on the surface of the main body 22.
Can be formed.

The leg portion 25 is made of an ionomer resin, and a spring action is applied to the tip end side thereof, and a base portion 26 thereof is slightly embedded in the back surface 24 of the main body 22 and joined thereto.
As shown in FIG. 6, the joint portion 27 of the main body 22, the leg portion 25, and the base portion 26 is provided via the metal foil sheet layer 28.
The main body 22 is bonded to one surface of the metal foil sheet layer 28 via the adhesive layer 30, and the leg portion 25 is bonded to the other surface of the metal foil sheet layer 28 by heating and melting. The leg portion 25 is an ionomer resin, and is chemically bonded to the metal foil sheet layer 28 by heating and melting the base portion 26 and firmly adheres thereto.

The wind molding 21 thus formed is provided with leg portions 25 to 25 at the mounting portion of the automobile window.
It is installed through.

Although the above-described embodiments have been described with respect to the bumper molding 1 and the wind molding 21, the present invention is not limited to moldings for automobiles, and is generally applied to moldings for vehicles, ships, constructions and the like.

[0015]

According to the present invention, since the main body is made of soft resin and the legs are made of ionomer resin, the main body can be attached even to a tight portion having a curved shape, and the legs are strong and elastic and have a clip action. It is convenient to let Since the main body is bonded to the metal foil sheet layer with an adhesive and the legs are heat-melted and bonded to the metal foil sheet layer, the bondability between the main body and the legs is strong. Since the present invention uses the ionomer resin for the legs, the amount of the ionomer resin is small and the cost can be reduced as compared with the conventional molding in which the main body and the legs are made of the ionomer resin. Further, the decorative surface of the present invention has a structure in which a transparent fluororesin layer is polymerized and adhered via a transparent adhesive layer on the colored layer applied to the main body, so that the coloring layer is a transparent fluororesin layer. It is beautifully protected by a weather resistant fluororesin layer for a long time.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a bumper molding according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a virtual line II portion in FIG.

FIG. 3 is an enlarged view of an imaginary line III portion in FIG.

FIG. 4 is an overall view of a bumper molding.

FIG. 5 is a sectional view of a wind molding according to another embodiment of the present invention.

FIG. 6 is an enlarged view of a virtual line VI portion in FIG. 5;

FIG. 7 is an enlarged view of a portion VII of FIG.

FIG. 8 is a cross-sectional view of a conventional bumper molding.

[Explanation of symbols]

 1… Bumper molding 2,22… Main body 3,31… Decorative surface 5,25… Leg part 7,27… Joint part 8,28… Metal foil sheet layer 10,12,30,33… Adhesive layer 11,32 … Coloring layer 13,34… Fluororesin layer 21… Wind molding

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[Procedure amendment]

[Submission date] April 13, 1995

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction content]

[Document name] Statement

[Title of Invention] Manufacturing method of molding

[Claims]

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of manufacturing a molding used for vehicles, ships, buildings and the like.

[0002]

2. Description of the Related Art Conventionally, for example, as shown in FIG. 8, a bumper molding 41 has a molding main body 42 and a leg portion 43 serving as a clip integrally formed of an ionomer resin. The decorative surface 44 of the main body 42 has a decorative film 45 arranged in a mounting recess on the surface thereof.
5 is covered with a coating resin layer 46 made of a transparent ionomer resin.

[0003]

However, since the above-mentioned conventional bumper molding 41 is entirely made of an ionomer resin, it is too rigid, and there is a problem that it cannot follow a small corner portion when mounted. However, there is a problem in that it is expensive because it is entirely made of an ionomer resin. In addition, a transparent ionomer resin (coating resin layer 4
The decorative surface 44 covered with 6) had a problem that it could not be used for a long time because the ionomer resin itself had no weather resistance.

Therefore, the object of the present invention is to make the main body of the molding a flexible synthetic resin that can be bent, the legs are made of ionomer resin, and the legs are tough and have appropriate elasticity, and the material cost is low. Molding that can be done
To provide a manufacturing method of.

[0005]

In order to achieve the above object, the means of the invention of claim 1 is a molding body of a soft synthetic resin having a decorative surface on the surface thereof , and an ionomer resin serving as a clip. A method for obtaining a molding formed by joining the legs of the main body to the non-decorative surface portion.
It is joined to one surface of the metal foil sheet layers Te, the metal foil sheet layer
The other surface is characterized by being joined to the leg . The molding has a predetermined shape depending on the application point.

The invention according to claim 2 for achieving the above object
The means is the step of forming the decorative surface in the invention of claim 1.
However, a transparent adhesive layer is provided on the colored layer provided on the surface of the main unit.
And a transparent fluororesin is polymerized and adhered to the adhesive layer.
It is characterized by doing.

The invention according to claim 3 for achieving the above object
The means of backing is a sheet of the same material as the molding body
Place the laminated film for decorative surface on the extrusion mold.
Place it on the sheet side of the laminated film.
Extruded synthetic resin to form a main body with a decorative surface on the surface
A metal foil sheet layer on a predetermined non-decorative surface portion of the body.
The ionomer resin legs are joined by heating and melting via
It is characterized by

A fourth aspect for achieving the above object.
Means has the decorative surface according to the invention of claim 3 on the surface
The molding process of the main body is made of the same material as the molding body.
A decorative surface in which a colored layer and a fluororesin layer are overlapped and joined
Place the laminated film for extrusion into the extrusion mold and
Extrude soft synthetic resin as the main body onto the seat side of the RUM
Molded to form a main body with the decorative surface of the fluororesin layer on the surface
Characterized by shaping.

[0009]

[Operation] In the invention of claim 1, the main body is adhered to one surface of the metal foil sheet layer with an adhesive, and the legs are joined to the other surface of the metal foil sheet layer. The ionomer resin has a carboxylic acid group in its molecular structure and can be bonded to the metal particles of the metal foil sheet layer by heat melting of the resin. The metal foil sheet layer serves for adhesion of the ionomer resin. Got
In the molded molding, the main body is soft and necessary
Can be bent by. The legs are strong enough to be used as clips
And it has elasticity.

In the invention of claim 2, since the colored layer on the decorative surface is covered with the fluororesin layer, the weatherability of the colored layer is good.

In the invention of claim 3, a laminate for a decorative surface
The film is soft on the sheet side of the same material as the molding body.
Since a high quality synthetic resin is supplied, the decorative surface is extruded
The body having is well molded. Metal foil sheet on the body
The legs of the ionomer resin are joined through the layers. metal
One side of the foil sheet layer is bonded to the main body and the other side of the metal sheet layer.
The faces are joined to the legs of the ionomer resin. Metal foil sea
The adhesive layer has good adhesion to the ionomer resin.

In the invention of claim 4, the laminated film is
Soft synthetic resin on the seat side of the same material as the molding body
The body of is molded by extrusion molding. The decorative surface of the main body is worn
The color layer is covered with a fluororesin layer and has good weather resistance.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. FIG. 4 shows a bumper molding 1 attached to a bumper of an automobile. The bumper molding 1 mainly has a molding main body (also simply referred to as a main body) 2 and a proper number of leg portions 5 that perform a clip action. As shown in FIG. 1, the main body 2 is made of PVC.
Made of soft synthetic resin such as (polyvinyl chloride),
The outer surface side is processed to form the decorative surface 3.
As shown in FIG. 3, the decorative surface 3 is provided with a colored layer 11 formed by coating on the upper surface of the main body 2, a transparent adhesive layer 12 is applied to the colored layer 11, and the transparent fluororesin layer is applied to the adhesive layer 12. Thirteen
Are stacked and glued . The color of the colored layer 11 is the same as or different from the surrounding exterior color. The fluororesin layer 13 on the surface has good weather resistance, and the colored layer 11 below
Protect.

The leg portion 5 is made of an ionomer resin, and the tip side thereof is divided into two halves having a spring action, and the base portion 6 thereof is slightly embedded in the back surface 4 of the main body 2 and joined thereto. 7 is a joint. As shown in FIG. 2, the main body 2
The joint portion 7 between the leg portion 5 and the base portion 6 is provided via the metal foil sheet layer 8. The metal foil sheet layer 8 is formed of a metal foil sheet, and the metal foil sheet layer 8 of this example has a thickness of 100 μm, for example.
m aluminum foil is used. The main body 2 is adhered to the surface of the metal foil sheet layer 8 via the adhesive layer 10, and the leg 5
Is adhered to the other surface of the metal foil sheet layer 8 by heating and melting the base portion 6. Since the leg portion 5 is made of an ionomer resin, it is chemically adhered to the surface of the metal foil sheet layer 8 by heating and melting the base portion 6. The main body 2 and the leg portion 5 are firmly joined by the joining portion 7.

[0015] Thus it formed bumper moldings are mounted through the leg 5 to 5 to the mounting portion of an automobile bumper.

Next, a second embodiment of the present invention will be described with reference to FIGS.
It will be described based on. This second embodiment is a case of manufacturing a windshield molding 21 of an automobile, FIG. 5 is manufactured
Main body 22 and legs 2 of the built wind molding 21
5 shows a cross section including the joint 27 of FIG. Body 22 is P
It is made of soft synthetic resin such as VC, and sealing members 23, 23 for sealing are attached to predetermined portions . Body 2
2 the outer surface side is the processing for the decorative surface 31
It As shown in FIG. 7, the decorative surface 31 is provided with a colored layer 32 formed by painting on the upper surface of the main body 22, a transparent adhesive layer 33 is provided on the colored layer 32, and a transparent fluororesin is provided on the adhesive layer 33. Layer 34 is overlaid and adhered. The color of the colored layer 32 is the same as or different from the surrounding exterior color.

[0017] The molding of the present embodiment of the window molding 21
Is a sheet 22A made of the same material as the main body 22 and a colored layer 32,
A laminated film F, in which an adhesive layer 33 and a fluororesin layer 34 are sequentially laminated and bonded, is prepared in advance, and the laminated film F is placed in an extrusion molding die.
Is extruded to bond the main body 22 and the laminated film F (M in FIG. 7 indicates a fused portion between the sheet 22A and the main body 22), and the decorative surface 31 of the fluororesin layer 34 is formed on the surface of the main body 22.
Can be formed.

The leg portion 25 is made of an ionomer resin, and a spring action is given to the tip end side thereof, and the base portion 26 thereof is slightly embedded in the back surface 24 of the main body 22 and joined thereto. Figure 6
As shown in, the joint portion 27 of the main body 22, the leg portion 25, and the base portion 26 is provided via the metal foil sheet layer 28. sand
That is, the main body 22 is adhered to one side of the metal foil sheet layer 28 via the adhesive layer 30, and the leg portions 25 are connected to the metal foil sheet layer 2
It adheres to the other surface of 8 by heating and melting. The leg portion 25 is an ionomer resin, and is chemically bonded to the metal foil sheet layer 28 by heating and melting the base portion 26 and firmly adheres thereto.

The wind molding 21 thus formed is provided with leg portions 25 to 25 at the mounting portion of the automobile window.
It is installed through.

The embodiment described above has been described for the case of the bumper molding 1 and the window molding 21, the present invention is not limited to molding of the preparation of automotive vehicles, ships, the method of molding, such as architectural Widely applied.

[0021]

According to the invention of claim 1, the main body is bonded to one surface of the metal foil sheet layer, and the leg portion is bonded to the other surface of the metal foil sheet layer . Therefore, the bondability between the main body and the leg portion is strong. Is. According to the invention of claim 1, since the ionomer resin is used only in the leg portions, the amount of the ionomer resin is small and the cost can be reduced as compared with the conventional molding in which the main body and the leg portions are made of the ionomer resin. The mode obtained by the invention of claim 1.
Since the body of the rudder is made of a soft resin and the legs are made of an ionomer resin, the body can be attached to a tight portion having a curved shape, and the legs are strong and elastic, which is convenient for a clip action. According to the invention of claim 2 , the decorative surface is obtained because the transparent fluororesin layer is polymerized and adhered onto the colored layer provided on the main body surface via the transparent adhesive layer.
The colored layer is beautiful through the transparent fluororesin layer, and is protected by the weatherproof fluororesin layer for a long period of time. Well
According to the invention of claim 3, the decorative surface is joined to the surface.
The main body of soft synthetic resin is formed by extrusion molding.
Connect the legs to the main body via the metal foil sheet layer and
You can get the ruding. This molding
Also has the same effect as the first aspect. According to the invention of claim 4,
Then, the main body of soft synthetic resin with the decorative surface joined is extruded.
Shaped. The decorative surface is covered with a transparent fluororesin layer for the colored layer.
And protected for a long time. In addition, this mo
Rudding has the same effect as in claim 3.

[Brief description of drawings]

FIG. 1 is a cross-sectional view of a bumper molding according to an embodiment of the present invention.

FIG. 2 is an enlarged view of a virtual line II portion of FIG.

FIG. 3 is an enlarged view of a virtual line III portion of FIG.

FIG. 4 is an overall view of a bumper molding.

FIG. 5 is a sectional view of a wind molding according to another embodiment of the present invention.

FIG. 6 is an enlarged view of a virtual line VI portion of FIG.

7 is an enlarged view of an imaginary line VII portion in FIG.

FIG. 8 is a cross-sectional view of a conventional bumper molding.

[Explanation of symbols] 1… Bumper molding 2,22… Main body 3,31… Decorative surface 5,25… Legs 7,27… Joined portion 8,28… Metal foil sheet layer 10,12,30,33… Adhesion Agent layer 11,32… Coloring layer 13,34… Fluororesin layer 21… Wind molding

Claims (1)

[Claims] 1. A molding comprising a soft synthetic resin molding main body having a decorative surface provided on its surface and an ionomer resin leg serving as a clip, which are joined together.
The main body is bonded to a metal foil sheet layer via an adhesive layer, and the metal foil sheet layer has a bonding structure in which the legs are bonded by heat fusion, and the decorative surface of the main body surface is applied to the main body. A molding, wherein a transparent fluororesin layer is polymerized and adhered onto the colored layer through a transparent adhesive layer.