JP3162755B2 - Automotive molding and manufacturing method thereof - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding for an automobile mounted on a periphery of a window glass or a bumper surface of an automobile and a method of manufacturing the same.

[0002]

2. Description of the Related Art Various moldings are mounted on a vehicle body. For example, a window molding having a sealing function and a decoration function is attached to a peripheral portion of a window glass attached to a window opening of a vehicle body panel, and a decoration bumper molding is provided from the front to the side of the bumper. Is installed. Each of these moldings is usually formed by extruding an elastomer such as rubber or resin into a long shape in many cases, and includes a leg portion for fitting and fixing to a vehicle body side and a decorative portion exposed and arranged on the outside side. have. Such resin molding,
It is preferable to use a material having higher rigidity from the viewpoint of the workability of attaching to the vehicle body panel side and the property of maintaining the posture.

[0003]

However, if the entire molding is formed of a high-rigidity material in order to improve the rigidity of the molding, it is difficult to bend the corner portion at the time of mounting, and the productivity is reduced. There is a problem of doing. Various proposals for satisfactorily bending the corner portion have been made in Japanese Utility Model Application Laid-Open No. 58-73014, Japanese Patent Application Laid-Open No. 59-8523, Japanese Patent Application Laid-Open No. 60-248426, and the like. The number of steps in molding and mounting of the dies is increasing, so that there is still a problem in productivity, and there is also a problem that a large storage space is required due to the necessity of storing in a bent state during transportation or the like. Japanese Unexamined Patent Publication No. 1-145223 (U.S. Pat. No. 4,968,543) discloses a technique in which rigidity is imparted by inserting an iron core.
In addition to requiring a large mold, there is also the problem of transportability described above.

Accordingly, the present invention provides a window molding for an automobile, which can obtain the required rigidity, good mounting and transportability, and can be easily and continuously formed, and a method of manufacturing the same. The purpose is to do.

[0005]

According to a first aspect of the present invention, there is provided an automobile molding comprising: a general portion mounted substantially linearly to a vehicle body;
A curved portion which is attached while being bent in a curved shape from a substantially straight state continuous with the general portion, and in a molding for an automobile having a decorative portion exposed to the outside of the vehicle, total length in a series, and the hardness is consisted of the at least two different extruded materials (P1, P2), the curved portion is made of a material (P2) having flexibility than the general portion The decorative portion is made of the same material (P3) over the entire length so as to cover at least the joint portion between the general portion and the curved portion. The automobile molding according to the second aspect of the present invention includes a general portion which is mounted substantially linearly with respect to the vehicle body side, and a curved portion which is bent from a substantially linear state continuous with the general portion. A curved portion,
In an automotive molding, in which the general portion and the curved portion have a decorative portion exposed to the outside of the vehicle, the general portion and the curved portion are formed of a series of hard members formed over the entire length.
And at least two types of extruded materials having different hardnesses. The two types of extruded materials have a relatively rigid material (P1) that forms the general portion and a curved portion that forms the curved portion. And a flexible material (P2), and the exterior surface portion of the decorative portion is made of the same material (P3) over the entire length so as to cover at least a joint portion between the general portion and the curved portion. Become. Further, claim 3
According to a second aspect of the present invention, there is provided a vehicle molding according to the first or second aspect , further comprising a decorative portion exposed to the outside of the vehicle and a leg extending from the decorative portion toward the inside of the vehicle. The outer surface portion is made of the same material (P3) over the entire length of the general portion and the curved portion. According to a fourth aspect of the present invention, there is provided an automobile molding comprising: a general portion which is mounted substantially linearly with respect to a vehicle body; and a curved portion which is bent from a substantially linear state continuous with the general portion. In a molding for automobiles, the general portion and the curved portion have a decorative portion exposed to the outside of the vehicle, at least two types of extrusion molding materials (P
Be made of a 6, P7), the curved portion, compared to the general portion of a material having flexibility (P7), and near the exterior surface of said decorative portion, of the general portion and the curved portion A laminated film made of the same material is provided over the entire length. On the other hand, a molding for an automobile according to the invention of claim 5 is a general part which is mounted substantially linearly to the vehicle body side, and is mounted while being bent in a curved shape from a substantially linear state which is continuous with the general part. The general part and the curved part are different in hardness formed in a series over the entire length in an automobile molding in which the general part and the curved part have a decorative part exposed to the outside of the vehicle. Small
It consists of at least two types of extruded materials, and the two types of extruded materials are composed of the relatively hard material (P6) constituting the general part and the curved part, and are compared with the general part. And a flexible material (P7),
In addition, a laminated film made of the same material is provided over the entire length of the general portion and the curved portion in the vicinity of the exterior surface of the decorative portion. According to a sixth aspect of the present invention, there is provided an automobile molding according to the fourth or fifth aspect, wherein the laminated film is coated with a transparent resin material (P8). Furthermore, the invention according to claim 7
Claims 1 or 2
The automobile molding according to claim 2, wherein the decoration is
Material (P3) provided on the outer surface of the vehicle
Are formed with a uniform thickness over the entire length. Further
Further, a molding for automobiles according to the invention of claim 8
In claim 1, claim 1 or claim 2 or claim 4 or claim
5. In the automobile molding described in 5, the general
The curved part and the curved part are attached to the periphery of the window plate.
Constructs India molding,
The decorative part has a thicker part that is thicker in the car inner direction.
The car exterior surface of the thick part in the decorative part is
It is separated from the surface of the wind plate. Meanwhile, billing
In the automobile molding according to the invention of Item 9,
Item 8. In the automobile molding described in Item 8, the thick portion
The part is the side molding equipment that constitutes the general part.
It is provided in the decoration part and is provided in the decoration part
A rainwater receiving groove is provided on the side of the cross section of the thick part.
You.

According to a tenth aspect of the present invention, there is provided a method of manufacturing a molding for an automobile, comprising: a general portion which is mounted substantially linearly on a vehicle body side; and a curved portion which is mounted while being bent in a curved shape. In a method for manufacturing a molding for automobiles, the molding is extruded by a die, wherein the entire length including the general portion and the curved portion of the molding is extruded from the die in a series of substantially straight lines, When extruding the curved portion of the molding, the material is extruded by switching to a material having flexibility compared to the general portion, and the entire length is formed from at least two types of extruded materials (P1, P2) having different hardnesses. The same material (P3) that covers at least the joint portion between the general portion and the curved portion on the vehicle exterior surface portion of the decorative portion exposed to the vehicle exterior.
Is formed over the entire length.

[0007]

According to the means having such a configuration, the rigidity necessary for the general portion can be obtained by the hard material, and the good mounting property and the posture holding property can be ensured, and at the same time, the processing of the core material is added. Without bending, the bending operation at the bending portion is easily performed by the flexible material. Also,
Before installation, the overall length is almost straight.
So, like a general molding,
Before installation, compared to the case where the corner is curved
Of the actual space occupied by molding
Significantly reduced for ease of handling during transportation and assembly
Is significantly improved. Furthermore, the joint between the general part and the curved part
Good outside because the part is covered and hidden from the outside of the car
Observation is obtained.

[0008]

Embodiments of the present invention and reference examples thereof will be described below in detail with reference to the drawings. First shown in FIG.
In the reference example, a window molding 2 made of a long strip-shaped extruded resin member is mounted on a peripheral portion of a window glass 1 on the front side of an automobile. The window molding 2 includes an upper molding 2 </ b> A as a general portion mounted in a gap between the upper edge of the window glass 1 and the roof panel 3, and a gap between both side edges of the window glass 1 and the pillar panel 4. , And a corner molding 2B as a curved portion connecting the upper molding 2A and the side molding 2C in a curved shape. Each of these moldings 2A, 2
B and 2C are integrally and continuously extruded as described later.

The window molding 2 is formed by extruding an elastic material such as rubber, synthetic resin or the like in a series by a molding device described later. As shown in FIGS. It has a cross-sectional shape. The window molding 2 has a leg portion 22 inserted into a gap between the periphery of the window glass 1 and the roof panel 3 and the pillar panel 4, and has a surface of the window glass 1 and the roof panel 3 and the pillar panel 4. And a decorative portion 21 that covers the space between the front and rear surfaces of the vehicle from the outside (the upper side in the figure).

The leg portion 22 is formed of a columnar member having a uniform thickness and shape over the entire length of the molding, and a metal thin metal core 23 as a core material is buried substantially in the center of the leg portion 22. I have. A support piece 24 for supporting the lower portion of the window glass 1 is provided on an inner edge (lower edge in the drawing) of the leg portion 22 over the entire length of the molding. The decorative section 21, the leg 22, and the support piece 24 form a substantially U-shaped cross section orthogonal to the longitudinal direction. Further, an elastic lip piece 25 that protrudes toward the wall surface side of the vehicle body panels 3 and 4 and presses against the wall side of the vehicle body panels 3 and 4 is provided over the entire length of the molding on the outer peripheral side of the leg portion 22 on the outer side of the vehicle (upper side in the drawing).

On the other hand, the decorative portion 21 is formed of a lip-like member extending inward from the vehicle outer end (upper end in the figure) of the leg portion 22, and covers the vehicle outer surface of the window glass 1. The decorative portion 21 is also formed into a uniform thickness and shape over the entire length of the molding, and the decorative portion 21, the legs 21, and the support pieces 24 are used for glass fitting for receiving the peripheral edge of the window glass 1. The groove 26 is defined to have a substantially U-shaped cross section. Glass fitting groove 2
The groove width of 6 substantially matches the thickness of the window glass 1.

Although the entire length of the wind molding 2 is constituted by a series of extruded members as described above, the side molding 2C and the upper molding 2A as general parts are made of a relatively hard material P1. And the corner molding 2B as a curved portion is made of a material P1 of the side molding 2C and the upper molding 2A.
Is made of a material P2 having more flexibility than that of the material P2. As the material P1 having rigidity, for example, a material obtained by folding glass fiber is used.

Next, the structure for mounting the wind molding 2 on the vehicle body side will be described. The inner peripheral edge of the glass mounting opening provided in the roof panel 3 and the pillar panel 4 is bent stepwise toward the indoor side so as to receive the window glass 1.

First, a band-shaped dam rubber is fixed on the opening edge flange portion on the side of the window glass 1 or the body panels 3 and 4, and an adhesive is filled on the outer peripheral side of the dam rubber by extrusion. The inner side surface of the vehicle is pressed against the dam rubber. As a result, the window glass 1 is fixed on the flanges on the vehicle body panels 3 and 4 at a substantially uniform height over the entire circumference. The window molding 2 is inserted into the window frame while being attached to the window glass 1, or
Is installed on the window frame side, and is inserted into a gap between the peripheral edge of the window glass 1 and the vehicle body panels 3 and 4.

When the window molding 2 is inserted into the gap formed between the periphery of the window glass 1 and the vehicle body panels 3 and 4, the support piece 24 and the decorative portion 21 are inserted.
Are fitted along the peripheral edge of the window glass 1 over the entire length of the molding, and the elastic lip pieces 25 are attached to the wall surfaces of the vehicle body panels 3 and 4. On the other hand, it is elastically contacted with a bent body. The bending elastic repulsive force of the elastic lip piece 25 and the glass fitting force of the glass fitting groove 26 act as a temporary fixing force and a posture holding force until the adhesive is solidified.

In the mounted state of the wind molding 2, the rigidity of the upper molding 2A and the side molding 2C as a general part is enhanced by the hard material P4, so that the posture during and after mounting is stably maintained. Is done. Corner molding 3 as a curved part
Since 2B has good flexibility by the flexible material P2, the bending and mounting operation of the wind molding 2 is easily performed, and there is no problem such as generation of wrinkles due to a difference in bending circumference.

Next, an apparatus for forming the window molding 2 of the above-described window molding will be described. First, as shown in FIG. 4, the insert material 23 unwound from the coiler 11 is passed through a forming roll 12 and a detecting device 13 to form an extrusion die (die) 1.
4 and extruded into the above-mentioned cross-sectional shape integrally with the resin. The extruded molding material is sent to a cutting device 17 by a take-off machine 16 through a cooling tank 15, where the material is cut to a predetermined length.

At this time, the feed amount of the insert material 23 detected by the detection device 13 is applied to the control device 18 and based on the input signal, the extrusion die 14
The operation timing of the cutting device 17 is determined, and an operation signal is output from the control device 18 to each of the devices 14 and 17. The position of the detection device 13 may be any position as long as the amount of movement or the amount of movement of the material can be detected. For example, the detection device 13 may be disposed before or after the take-up machine 16.

The die provided on the extrusion die 14 has an extruded material switching mechanism as shown in FIGS. That is, in the first die 141 of the extrusion die 14, an extrusion opening 141a is formed so as to open to the front end face side, and at the base side of the extrusion flow path 141b following the extrusion opening 141a, A reservoir 141c is provided. And this reservoir 141c
The second die 142 is mounted so as to be able to reciprocate in a direction orthogonal to the extrusion direction. The second die 142 is provided with a pair of switching channels 142a and 142b extending substantially in parallel, and one of the pair of switching channels 142a and 142b
The reciprocating parallel movement of the die 142 causes the first die 1
The opening 41 is alternatively opened toward the reservoir portion 141c.

Further, the first die 141 has a pair of material supply channels 141d and 141e and a pair of material discharge channels 141f and 141g. These material supply passages 141d and 141e and the pair of material discharge passages 1
41f and 141g are arranged so as to face each other with the switching channels 142a and 142b of the second die 142 interposed therebetween, and the material supply channels 141d and 141e are connected to the switching channel 1
42a and 142b are always open, and the material discharge passages 141f and 141g are
It is provided so as to be selectively opened with respect to 2a and 142b. From the one material supply channel 141d,
The hard material P1 for forming the side molding 2C is fed, and the other material supply flow path 1 is formed.
41e, a flexible material P2 for forming the corner molding 2B and the upper molding 2A.
Has been sent.

First, when molding the side molding 2C, the first die 141 and the second die 142 are set in the positional relationship shown in FIGS. At this time, the switching channel 142 on one side of the second die 142
a is opened in the reservoir 141c of the first die 141, and the switching channel 142b on the other side is closed. As a result, as shown by the arrow in the drawing, only the hard material P1 fed from the material supply channel 141d to the switching channel 142a is pushed out of the extrusion channel 141 of the first die 141.
b and is extruded from the extrusion port 141a.
Further, at this time, the switching flow path 142b on the other side is communicated with the material discharge flow path 141g, and the soft material P2 sent from the material supply flow path 141e to the switching flow path 142b passes through the material discharge flow path 141g. And is discharged to a predetermined outside position.

Next, when forming the corner molding 2B and the upper molding 2A, the first die 141 and the second die 142 are connected to each other as shown in FIGS.
The position is switched to the positional relationship shown in FIG. Thereby, the switching flow path 142b on the other side of the second die 142 is
The opening is formed in the reservoir 141c of the first die 141, and the switching channel 142a on one side is closed.
As a result, only the soft material P2 fed from the material supply channel 141e to the switching channel 142b passes through the extrusion channel 141b of the first die 141, as indicated by the arrow in the drawing. It is pushed out from 141a. At this time, the switching flow path 142a on one side is connected to the material discharge flow path 1
The hard material P1 which is communicated with 41f and sent from the material supply flow path 141d to the switching flow path 142a is discharged from the material discharge flow path 141f to an external predetermined position.

The windshield molding 32 according to an actual <br/>施例of the present invention shown in FIGS. 13 and 14 also typically part mounted in the gap between the upper edge and the roof panel of the window glass Molding 32A, and side molding 32C as a general part mounted in a gap between both side edges of the window glass and the pillar panel
And a corner molding 32B as a curved portion connecting the upper molding 32A and the side molding 32C in a curved shape. The moldings 32A, 32B, and 32C are integrally and continuously extruded. I have.

The window molding 32 is formed by extruding an elastic material such as rubber, synthetic resin or the like into a long strip shape integrally and integrally by a molding device described later. It has a leg portion 322 inserted in the gap and a decorative portion 321 for covering the space between the window glass and the vehicle body panel from the outside of the vehicle. The decorative section 321 and the leg section 322 have a substantially T-shaped cross section orthogonal to the longitudinal direction.

The leg 322 is provided with a side molding 32C as a general part and an upper molding 32C.
A is made of a hard material P1, and the corner molding 32B as a curved portion is made of a flexible material P2. The outside edge of this detail 322
In the decorative portion 321 provided continuously to the (upper) metal wire 323 as a core material is embedded. And leg 3
A support piece 324 that supports the lower portion of the window glass is provided on the inner edge of the vehicle 22 over the entire length. A glass fitting support groove for receiving the window glass is defined between the support piece 324 and the decorative portion 321 in a uniform U-shaped cross section over the entire length. Further, an elastic lip piece 325 that protrudes toward the wall surface side of the vehicle body panel and presses against the wall surface side of the vehicle body panel is provided over the entire length of the leg portion 322 or the decoration portion 321 in the middle part in the vehicle interior and exterior. The elastic lip piece 325 is made of a flexible material P3 over the entire length.

[0028] The decorative portion 321 from the vehicle outside end of the leg portion 322, the glass side decorative portion extending, respectively it window glass side and the vehicle body panel side 321a and the panel side decorative portion 321
b and the upper molding 32A
Has a uniform thickness and shape over the entire length, and has a size from the corner molding portion 32B.
As to be described later, over the molding section 32C,
The wall thickness and shape are enlarged . The outer surface portion of the decorative portion 321 is made of the same resin material over the entire length.
Ri, similar to resilient lip 325 described above flexible material P3
It is composed of The inner side core portion of the decorative portion 321 is made of the same hard material P1 (side portion and upper portion) and soft material P2 (corner portion) as the leg portion 322.

The thickness of the decorative portion 321 in the inside and outside of the vehicle is as follows:
In response to the step of the vehicle body panel side it is varied, with are set to uniformly thin the upper molding 32A, and is gradually thickened over from the corner molding part 32B to the sub <br/> id molding 32C . In the side molding 32C in which the thickness of the decorative portion 121 is increased, the decorative portion 3
21 is provided with a thick portion bulging inward and outward of the vehicle, and a glass surface on an inner peripheral side wall surface of the bulging thick portion.
By the Kakuko off portion contacting the side to shape the構断surface substantially U, rainwater groove is adapted to be defined.
The size of the rainwater groove opening to the inner peripheral side, the decorative portion 321
It is changing in response to the thickness of the bulging thick part of. It is possible to provide such a bulging thick portion in the decorative portion 321 according to, for example, JP-A-3-128721.

In the molding 32 according to the second embodiment, since the rigidity of the rainwater receiving groove constituting part of the general part is increased by the hard material P1, the posture at the time of mounting and after mounting is provided. Is stably held. Corner molding 32 as a curved part
The bending property of B is ensured well, and the bending and mounting work of the molding is easily performed, and there is no problem such as generation of wrinkles due to a difference in bending circumference. More mall
Outer surface part of the decorative part 321 constituting the appearance of the ding
Are formed from the same resin material P3 over the entire length.
The appearance of the molding is
In good condition.

The above-described apparatus for forming the window molding 32 has a material switching mechanism substantially the same as the apparatus for forming the wind molding 2 according to the first embodiment. Is separately added. That is, as shown in FIG. 15, in which the same components as those of the apparatus shown in FIG.
In addition, a material supply flow path 141h for forming the elastic lip piece 325 is additionally provided, and the surface layer portion and the elasticity of the decorative portion 321 are formed by the flexible material P3 constantly fed from the material supply flow path 141h. Lip piece 325
Is formed over the entire length of the general portion and the curved portion .

The reference numeral 143 in FIG.
1 shows a third die reciprocating on the front end surface of No. 1;
The movement of the third die 143 causes the extrusion opening 141a.
The extrusion is performed while the opening shape of the molding is changed and the cross-sectional shape of the molding is appropriately changed.

Reference example shown in [0034] Next FIGS. 16 to 19 are those related to the bumper molding. The bumper molding 42 is formed by integrally and continuously extruding rubber, synthetic resin, or the like, and is mounted on the front portion of the automobile bumper 5 so as to be substantially linear as shown in FIG. The front molding 42A as a general part, the side molding 42C as a general part mounted so as to be substantially linear with respect to the side surface of the bumper 5, and the curved shape with respect to the corner surface of the bumper 5. And a corner molding 42B as a curved portion to be mounted on the main body.

The bumper molding 42 has a decorative portion 421 exposed to the outside of the vehicle, and a leg 422 protruding from the decorative portion 421 and fitted and fixed to the bumper 5 side. The decorative portion 421 has a substantially D-shaped cross-section, and a bow-shaped metal core material foil 423 is embedded in an inner surface layer portion. On the other hand, the leg portion 422 is projected from the decoration portion 421 so as to form a bifurcated shape, and has a protruding tip portion formed in an arrowhead shape to be locked to the bumper 5 side. In molding the leg 422,
First, as shown in FIG. 16, the decorative portion 421 is extruded simultaneously with the decorative portion 421 in a substantially uniform cross-sectional shape over the entire length of the molding, and then unnecessary portions are removed by a predetermined cutting process. As a result, a molding as shown in FIG. 17 is formed, and a plurality of the legs 422 are scattered in the longitudinal direction of the molding.

Here, the front molding 42A and the side molding 42C as general parts are made of a hard material P4, for example, hard PVC, and the corner molding 42B as a curved part is
It is made of a flexible material P5, for example, soft PVC.

Therefore, when mounting the bumper molding 42 on the bumper 5, the front molding 42A and the side molding 42C as general parts are used.
Since the rigidity is enhanced by the hard material P4, the fitting is performed well, and the posture after the fitting is stably maintained. On the other hand, in the corner molding 42B as the curved portion, the bending operation is easily performed by the flexibility of the flexible material P5, and no problem such as generation of wrinkles due to a difference in bending circumference occurs.

The present invention shown in FIGS.
In another embodiment of the bumper molding 52,
It is formed by continuously and integrally extruding rubber, synthetic resin or the like in a predetermined laminated structure, and includes a front molding 52A and a side molding 52C as general parts.
And a corner molding 52 </ b> B as a curved portion that connects them.

The bumper molding 52 includes a decorative portion 521 exposed to the outside of the vehicle, and a leg 522 protruding from the decorative portion 521 toward the bumper. The decorative portion 521 and the leg 522 The cross-sectional shape orthogonal to the longitudinal direction is substantially T-shaped. Decoration part 5
21, the exterior side surface portion of the base portion 521a of the cross section substantially D-shape which is integrally molded with the leg portion 522, a transparent resin layer 521c through the laminated film 521b as <br/> insert material over the entire length to be It is what you wear. The base portion 521a is made of, for example, a black ionomer resin, and the laminated film 521b is made of, for example, a polyester film in which both sides of a polyester film are coated with vapor-deposited aluminum and an ethylene-co-polymer coating is applied thereon. Has been adopted. Also, the transparent resin layer 52
As 1c, for example, a colorless and transparent ionomer resin is employed.

The leg portion 522 has a tip portion protruding from the decorative portion 521 and is formed in an arrowhead shape, and is fitted into the bumper 5 and locked. As shown in FIG. 20, the leg portion 522 is first extruded by a predetermined extruder at the same time as the decorative portion 521 so as to have a substantially constant cross section over the entire length of the molding. Is removed by a predetermined cutting step. As a result, as shown in FIG. 21, a plurality of legs 522 are scattered in the longitudinal direction of the molding. The legs 522 are formed integrally with the base 521a of the decorative portion 521 as described above.

Here, of the decorative portion 521 described above, the outer side of the vehicle
The transparent resin layer 521c constituting the surface is formed by molding.
Is made of a uniform resin material P8 over the entire length of the resin. On the other hand, the material forming the base 521a and the leg 522 of the decorative portion 521 is switched in the longitudinal direction of the molding as in the above-described embodiment. That is, in the front molding 52A and the side molding 52C as a general part, the base part 521a and the leg part 522 are made of a hard material P6, and the corner molding 52B as a curved part.
The base 521a and the leg 522 of the flexible material P
7.

Therefore, when mounting the bumper molding 52 on the bumper 5, the front molding 52A and the side molding 52C as general parts are used.
As a result, the fitting can be performed favorably by the rigidity of the hard material P6, and the posture after the fitting can be stably maintained. On the other hand, corner molding 52B as a curved portion
According to the method, a good bending operation is performed by the flexibility of the flexible material P7, and no problem such as generation of wrinkles due to a difference in bending circumference occurs. Further appearance of molding
The transparent resin layer 521c of the decorative portion 521 constituting the
Formed from the same resin material P8
The appearance of the molding is seamless and good
It is maintained in a state.

[0044]

As described above, the molding for automobiles according to the present invention is formed in such a manner that a general portion which is mounted substantially linearly is formed of a hard material to increase rigidity, and is mounted while being bent in a curved shape. Since the bent portion is formed of a flexible material to improve the bendability, it is possible to maintain the fitting mounting and posture holding properties of the general portion satisfactorily without adding processing of the core material, etc. of the curved portion bending to improve the mounting work, and since the total length in its bEFORE mounting has a substantially linear shape, it is possible to reduce the space at the time of transportation, while improving the molding productivity, usefulness Performance can be improved. Further, since the joint between the general portion and the curved portion is covered and hidden from the outside of the vehicle, an effect of obtaining a good appearance can be obtained.
Further, according to the manufacturing method of the present invention, it is possible to satisfactorily manufacture the molding for an automobile.

[Brief description of the drawings]

1 is an external perspective view showing the front of an automobile that apply the present invention.

FIG. 2 is an external perspective explanatory view showing an extruded state of a window molding used in FIG.

FIG. 3 is an external perspective explanatory view showing a bent state of the wind molding shown in FIG. 2;

FIG. 4 is an explanatory side view showing the entire molding extrusion molding apparatus shown in FIGS. 2 and 3;

5 is an external perspective view showing a die of the extrusion molding apparatus shown in FIG.

FIG. 6 is a horizontal sectional view taken along line DD in FIG. 5;

FIG. 7 is a horizontal sectional view taken along line EE in FIG. 5;

FIG. 8 is a transverse sectional view taken along the line FF in FIG. 6;

FIG. 9 is a transverse sectional view taken along the line GG in FIG. 6;

FIG. 10 is a cross-sectional view showing a moving state of the extrusion molding apparatus shown in FIG.

FIG. 11 is a cross-sectional view showing a moving state of the extrusion molding apparatus shown in FIG.

FIG. 12 is a cross-sectional view showing a moving state of the extrusion molding apparatus shown in FIG.

FIG. 13 is an external perspective perspective view corresponding to FIG. 2, showing a state in which a window molding is extruded in one embodiment of the present invention.

14 is an external perspective explanatory view corresponding to FIG. 3, showing a bent state of the window molding shown in FIG. 13;

FIG. 15 is a horizontal sectional view corresponding to FIG. 7 and showing the extrusion molding die of the wind molding shown in FIGS. 13 and 14;

FIG. 16 is an external perspective perspective view corresponding to FIG. 2 and illustrating a state of extrusion of a bumper molding in a reference example of the present invention.

FIG. 17 is an external perspective explanatory view showing a leg molding state of the bumper molding shown in FIG. 16;

18 is a transverse sectional view taken along line HH in FIG.

19 is an external perspective perspective view of the bumper molding shown in FIG. 17 and corresponding to FIG. 3, illustrating a bent state of the bumper molding.

FIG. 20 is an external perspective perspective view corresponding to FIG. 2 and illustrating an extruded state of a bumper molding in still another embodiment of the present invention.

21 is an external perspective perspective view corresponding to FIG. 3, illustrating a bent state of the bumper molding shown in FIG. 20 after the leg portions are formed.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Window glass 3, 4 Body panel 2, 32 Wind molding 2A, 32A Upper molding 2B, 32B Corner molding 2C, 32C Side molding 21, 321 Decorative part 21a, 321a Glass side decorative part 21b, 321b Panel side decorative part 14 Extrusion molding Die 141 First die 142 Second die 42, 52 Bumper molding 42A, 52A Front molding 42B, 52B Corner molding 42C, 52C Side molding 421, 521 Decoration part 422, 522 Leg part

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60R 13/04 B29C 47/02

Claims (10)

(57) [Claims] 1. A general part which is mounted substantially linearly to a vehicle body side, and a curved part which is mounted while being bent in a curved shape from a substantially linear state which is continuous with the general part. In an automobile molding having a decorative portion in which a general portion and a curved portion are exposed to the outside of a vehicle, the full length is a series and is made of at least two types of extrusion molding materials (P1, P2) having different hardnesses , The curved portion is made of a material (P
2), wherein the exterior portion of the decorative portion is made of the same material (P3) over the entire length so as to cover at least a joint portion between the general portion and the curved portion. . 2. A general part which is mounted substantially linearly on the vehicle body side, and a curved part which is mounted while being bent in a curved shape from a substantially linear state which is continuous with the general part. In the automotive molding, in which the general portion and the curved portion have a decorative portion exposed to the outside of the vehicle, the general portion and the curved portion are made of at least two types of extruded materials having different hardnesses formed in a series over the entire length. The two types of extruded materials comprise a relatively hard material (P1) constituting the general portion and the curved portion,
A material (P2) having flexibility as compared with the general portion, and a vehicle exterior surface portion of the decorative portion is the same over the entire length so as to cover at least a joint portion between the general portion and the curved portion. An automobile molding characterized by comprising a material (P3). 3. The automotive molding according to claim 1 or 2, wherein a portion corresponding to the exterior surface portion of the escutcheon, automobile molding, characterized in that it consists of extruded material having flexibility (P3) . 4. A general part which is mounted substantially linearly to the vehicle body side, and a curved part which is mounted while being bent in a curved shape from a substantially linear state continuous with the general part, general portion and the curved portion, in automotive molding having a decorative portion which is exposed to the vehicle exterior side, the full length is set, and be one hardness consisting of at least two different extruded material (P6, P7), The curved portion is made of a material (P
7) and a laminated film made of the same material over the entire length of the general portion and the curved portion is provided near the exterior surface of the decorative portion. 5. A general part which is mounted substantially linearly to the vehicle body side, and a curved part which is mounted while being bent in a curved shape from a substantially linear state continuing from the general part, general portion and the curved portion, in automotive molding having a decorative portion which is exposed to the vehicle exterior side, the curved portion and the general portion also the hardness which is formed into a series over the entire length consists of at least two different extruded material
A than, the two kinds of extrusion material, the material (P6) having a relatively rigid property constituting the general section, and constitutes the curved portion,
A laminated film made of a material (P7) having flexibility as compared with the general portion and provided with the same material over the entire length of the general portion and the curved portion in the vicinity of the exterior surface of the decorative portion. An automotive molding characterized by the following. 6. The automotive molding according to claim 4 or 5, wherein, in the laminated film, automotive molding characterized by comprising a transparent resin material a (P8) was coated. 7. An automobile according to claim 1 or claim 2.
In molding, The same material (P
3) The thickness must be uniform over the entire length.
And a molding for automobiles. 8. The method according to claim 1 or claim 2 or claim 4 or claim 4.
The molding for an automobile according to claim 5, General part and curved part are attached to the edge of the wind plate
Windmall Composing The decorative part in the general part has a thicker wall in the car interior direction.
Thick part is provided, The outside surface of the thick part of the decorative part is
Characterized by being separated from the surface of the
Automotive molding. 9. A molding for automobiles according to claim 8.
In the The thick part is the side molding that constitutes the general part
Along with the decoration section of the Rainwater catches on the side of the cross section of the thick part provided in the decorative part.
An automobile molding characterized by having a groove.
Ding. 10. An automobile molding obtained by extruding a molding having a general portion mounted substantially linearly to a vehicle body side and a curved portion mounted while being bent in a curved shape by a die. In the manufacturing method, the entire length including the general portion and the curved portion of the molding from the die is extruded in a series of substantially straight lines, and when extruding the curved portion of the molding, At least two types of extruded materials (P1 and P2) having different hardnesses are extruded by switching to a material having more flexibility
And the same material (P3) covering at least the joint portion between the general portion and the curved portion is formed over the entire length on the exterior surface portion of the decorative portion exposed to the exterior of the vehicle. A method for manufacturing a molding, characterized in that: