JPH08156203A - Interior material for vehicle and production thereof - Google Patents

Abstract

PURPOSE: To prevent the generation of an air sump between a skin material and an interior base material in such a case that the skin material is formed from polyvinyl chloride(PVC), thermoplastic elastomer(TPE) or thermoplastic polyolefin(TPO) having no air permeability and to enhance the touch and appearance. CONSTITUTION: A interior material 1 for a vehicle is formed on a thermoformable interior base material 2 and the skin material 3 bonded to the surface of the interior base material 2. The interior base material 2 is formed of a polyethylene base material or a corrugated cardboard base material and the skin material 3 is formed of a material having no air permeability such as polyvinyl chloride, a thermoplastic elastomer or thermoplastic polyolefin. Air venting small holes 5 are formed to the interior base material 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle interior material, and more specifically, it is used as a molded ceiling base material and other vehicle interior materials, and is a thermoformable interior base material and the interior base material. The present invention relates to an interior material for a vehicle, which includes a skin material joined to the front surface side of the material, and a manufacturing method thereof.

[0002]

2. Description of the Related Art Conventionally, molded ceilings for vehicles and the like, door trims and other interior materials are formed by joining a skin material to a ceiling base material, an interior base material, and the like. These ceiling base materials and interior base materials include those using a corrugated board base material, a secondary expanded polyethylene base material (hereinafter referred to as a PE base material), a secondary expanded polypropylene base material (referred to as a PP base material), or the like.

As shown in FIGS. 4 (a) and 4 (b), an interior base material 2 of an interior material 1 composed of a molded ceiling of a vehicle or the like is formed of a secondary expanded polyethylene base material (PE base material), and a skin material 3 is used. Vinyl chloride (PVC), thermoplastic elastomer (TPE), or thermoplastic olefin (T
PO)).

When the interior base material 2 made of the PE base material of the conventional interior material 1 and the skin material 3 are joined, the PE base material, PP
The base material is heated to 190 to 230 ° C., laminated on the skin material 3 in a softened and foamed state, and press-molded at room temperature to be integrated.

[0005]

When the interior base material 2 made of the PE base material of the conventional interior material 1 shown in FIGS. 4 (a) and 4 (b) and the skin material 3 are joined, the PE base material is used. 190 ~ 23
It is heated to 0 ° C., laminated on the skin material 3 in a softened and foamed state, and press-molded at room temperature. However, since the skin material 3 does not have air permeability, the skin material 3 and the PE base material are joined together at the time of bonding. The air reservoir 8 is generated between the interior base material 2 and
And the skin material 3 were peeled off, and the touch and appearance were deteriorated.

The object of the present invention is to provide a skin material when the skin material is formed of either non-breathable vinyl chloride (PVC), thermoplastic elastomer (TPE), or thermoplastic olefin (TPO). When joining the material and the interior base material, it prevents the accumulation of air between the skin material and the interior base material, prevents the skin material and the interior base material from peeling, and improves the feel and appearance. The present invention provides a vehicle interior material and a method for manufacturing the same.

[0007]

The present invention has been made in view of the above-mentioned problems, and an interior material for a vehicle according to claim 1 is a thermoformable interior base material and a surface side of the interior base material. In a vehicle interior material consisting of a skin material to be joined to, the skin material is formed from a material having no air permeability, the interior base material is formed with small holes for bleeding, and the interior base material It is characterized in that air can be evacuated from a small hole for evacuating the interior base material when the skin material is pressure-bonded.

The vehicle interior material according to claim 2 is a vehicle interior material comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material, wherein the skin material is Vinyl chloride or thermoplastic elastomer,
Or it is formed from a material that does not have air permeability such as thermoplastic olefin, and has small holes for bleeding air formed in the interior base material, and bleeds air from the interior base material when the skin material is pressure-bonded to the interior base material. It is characterized in that air can be vented from the small hole for use.

The vehicle interior material according to claim 3 is a vehicle interior material comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material. Is made of a polyethylene base material, and the skin material is formed of a material having no air permeability such as vinyl chloride or a thermoplastic elastomer, or a thermoplastic olefin, and a small hole for bleeding is formed in the interior base material. When the skin material is pressure-bonded to the interior base material, air can be released from a small hole for air release of the interior base material.

The method for producing an interior material for a vehicle according to claim 4 is a method for producing an interior material for a vehicle, which comprises a thermoformable interior base material and a skin material joined to the surface side of the interior base material. In the above, the skin material is formed from a material that does not have air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin, and at the time of molding the interior base material, a small portion for air bleeding is cut in a portion cut after molding. A hole is formed, a skin material is laminated on the interior base material, and when the skin material is pressure-bonded, air is bleeded from a small hole for bleeding the interior base material.

[0011]

The vehicle interior material according to claim 1 of the present invention is a vehicle interior material comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material. , The skin material is formed of a material that does not have air permeability, the interior base material is formed with small holes for bleeding air, and when the skin material is pressure-bonded to the interior base material, the interior base material is evacuated Since air can be bleeded from the small holes of the, the air pool is eliminated between the skin material and the interior base material, peeling between the skin material and the interior base material is prevented, and the feel and appearance are improved. Can be made.

According to the vehicle interior material of claim 2 of the present invention, a vehicle interior material comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material. ,
The skin material is formed of a material that does not have air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin, and the interior base material is formed with small holes for bleeding air, and the interior base material is a skin material. Since it is designed so that air can be bleeded from the small holes for air bleeding of the interior base material when crimping, the air pocket is eliminated between the skin material and the interior base material, and the skin material and the interior base material are It is possible to prevent peeling and improve the feel and appearance.

According to the vehicle interior material of claim 3 of the present invention, a vehicle interior comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material. In the material, the interior base material is a polyethylene base material, and the skin material is formed of a material having no air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin. Between the skin material and the interior base material, since the small holes are formed so that air can be bleeded from the small holes for bleeding the interior base material when the skin material is pressure-bonded to the interior base material. It is possible to eliminate air accumulation, prevent peeling between the skin material and the interior base material, and improve the feel and appearance.

The method for producing an interior material for a vehicle according to claim 4 is a method for producing an interior material for a vehicle, which comprises a thermoformable interior base material and a skin material joined to the surface side of the interior base material. In the above, the skin material is formed from a material that does not have air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin, and at the time of molding the interior base material, a small portion for air bleeding is cut in a portion cut after molding. A hole is formed, a skin material is laminated on the interior base material, and air can be bleeded from a small hole for bleeding the interior base material when the skin material is pressure-bonded. It is possible to eliminate air accumulation, prevent peeling between the skin material and the interior base material, and improve the feel and appearance.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The vehicle interior material according to the present invention will be described in detail below with reference to the drawings. FIG. 1 (a) shows an outline of an embodiment of a vehicle interior material according to the present invention. In the present embodiment, description is made assuming that the vehicle interior material is applied to a vehicle molded ceiling, but the invention is not limited to this. Not something. In addition, FIG.
Portions corresponding to the interior material shown in (b) are denoted by the same reference numerals, and detailed description thereof will be omitted.

As shown in FIG. 1A, the interior material 1 is formed of a thermoformable interior base material 2 and a skin material 3 laminated on the surface side of the interior base material 2. The interior base material 2 is made of a secondary expanded polyethylene (PE) base material, but is not limited to the secondary expanded PE base material, and may be a non-expandable PE base material or PP base material. Further, it may be a corrugated board substrate.

The skin material 3 is made of a material having no air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin.

This skin material 3 is shown as a single skin material in the present embodiment, but a skin made of a material having no air permeability such as vinyl chloride or a thermoplastic elastomer on the surface side or a thermoplastic olefin. And a slab urethane, PE foam, PP foam, or other wadding laminated on the back surface side of the skin. Further, the skin material 3 may use a cloth skin such as tricot.

As shown in FIG. 1 (a), a small hole 5 for bleeding air is formed in the interior base material 2, and when the skin material 3 is pressed onto the interior base material 2, the air in the interior base material 2 is removed. Small hole for removal 5
It is designed so that air can be bleeded from.

Although the small hole 5 for bleeding air of the interior base material 2 is formed in the room lamp mounting portion 7 of the molded ceiling in this embodiment, it is an assist grip mounting portion, a rearview mirror bracket mounting portion, and a sun visor bracket. It can be formed on a mounting portion, a holder mounting portion, or the like.

Next, a method of manufacturing the interior material 1 will be described with reference to FIGS. 2, 3 and 1 (b). As shown in FIG. 3, the interior base material 2 is inserted into a press mold 21 at room temperature and press-molded. The interior base material 2 is heated by a heating furnace or the like, and after the surface temperature of the interior base material 2 is heated to 190 to 230 ° C., the interior base material 2 is inserted between the lower mold 22 and the upper mold 23 of the press mold 21 at room temperature.

On the upper die 23 of the press molding die 21, there is provided a cutting blade 25 composed of a punch or the like which can be moved up and down by a cam system or the like. In this embodiment, the cutting blade 25 is formed at a position corresponding to the room lamp mounting portion 7 on the molded ceiling. In addition, it is also possible to form the assist grip mounting portion, the rearview mirror bracket mounting portion, the sun visor bracket mounting portion, the holder mounting portion, etc., respectively.
It can also be formed at a plurality of these positions.

The lower mold 22 of the press mold 21 has an upper mold 2
The blade receiver 27 is provided at a position facing the cutting blade 25 provided in FIG.
Is formed, and an air vent passage 28 is formed so as to communicate with the blade receiver 27.

By clamping the lower mold 22 and the upper mold 23 of the press mold 21, the heat-melted interior base material 2 is molded into a desired shape, and then the cutting blade 25 is lowered to form the small holes 5. Drilled. The cutting blade 25 may be lowered when the lower die 22 and the upper die 23 are clamped.

Next, the lower mold 22 and the upper mold 23 of the press mold 21 are opened, the skin material 3 laminated with the hot melt film is laminated on the interior base material 2, and the cutting blade 25 is raised. By clamping the lower mold 22 and the upper mold 23,
As shown in FIG. 1B, a molded ceiling as the interior material 1 having a desired shape is press-molded.

The air, foaming gas, etc. caught between the skin material 3 and the interior base material 2 when the skin material 3 is pressed against the lower mold 2
The second blade receiver 27 is discharged to the outside of the press mold 21 through the air vent passage 28 that communicates with the blade receiver 27, so that there is no risk of air accumulation.

After removing the mold, trimming of the outer periphery of the molded ceiling and piercing processing for making holes in various mounting portions are performed to obtain a molded ceiling as the interior material 1. During the trimming process and the piercing process, the portion of the interior base material 2 having the small holes 5 is discarded.

Although the small holes 5 are formed in the interior base material 2 in this embodiment, the cutting blade 25 is lowered in a state where the skin material 3 is laminated on the interior base material 2 to remove the interior base material 2 and the skin material. 3 and 5 small holes
May be perforated.

[0029]

The configuration and method of the vehicle interior material and the method for producing the same according to the present invention are described above. According to the vehicle interior material of claim 1 of the present invention, thermoforming is possible. In an interior material for a vehicle, which comprises a transparent interior base material and a skin material joined to the front surface side of the interior base material, the skin material is formed of a material having no air permeability, and the interior base material is deflated. Since a small hole for use is formed and air can be vented from the small hole for bleeding the interior base material when the skin material is pressure-bonded to the interior base material, It is possible to eliminate air accumulation between them, prevent the skin material and the interior base material from peeling off, and improve the feel and appearance.

According to a second aspect of the present invention, there is provided a vehicle interior material comprising a thermoformable interior base material and a skin material joined to a surface side of the interior base material. The material is made of non-breathable material such as vinyl chloride, thermoplastic elastomer, or thermoplastic olefin, the interior base material has small holes for bleeding air, and the interior base material is crimped with a skin material. Since it is designed to be able to bleed air from the small hole for air bleeding of the interior base material when doing so, the air reservoir is eliminated between the skin material and the interior base material, and the skin material and the interior base material are separated. Can be prevented and the feel and appearance can be improved.

According to the vehicle interior material of claim 3, a vehicle interior material comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material. The base material is a polyethylene base material, and the skin material is made of a material having no air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin, and the interior base material has a small hole for bleeding air. Since the air can be vented from the small holes for air venting of the interior base material when the skin material is pressure-bonded to the interior base material, it is possible to eliminate air accumulation between the skin material and the interior base material. It is possible to prevent the skin material and the interior base material from peeling off and improve the feel and appearance.

According to the method of manufacturing an interior material for a vehicle of claim 4, a interior material for a vehicle comprising a thermoformable interior base material and a skin material joined to a surface side of the interior base material. In the manufacturing method, the skin material is formed from a material that does not have air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin, and is used for air bleeding in a portion that is cut after molding during molding of the interior base material. To form a small hole, and laminate a skin material on the interior base material,
Air can be evacuated from the small holes for air bleeding of the interior base material when the skin material is pressure-bonded, air is not accumulated between the skin material and the interior base material, and the skin material and the interior base material are separated. Can be prevented and the feel and appearance can be improved.

Further, according to the present invention, when the skin material is formed of any of non-breathable vinyl chloride (PVC), thermoplastic elastomer (TPE) or thermoplastic olefin (TPO). When the skin material and the interior base material are joined, it is possible to prevent the occurrence of air traps between the skin material and the interior base material, prevent the skin material and the interior base material from peeling, and improve the feel and appearance. It is possible to obtain a vehicle interior material that can be improved and a method for manufacturing the same.

[Brief description of drawings]

1A and 1B are respectively a vehicle interior material and a method for manufacturing the same according to the present invention, wherein FIG. 1A is a cross-sectional view showing a state in which a skin material is joined to an interior base material, and FIG. Sectional drawing of the press mold in the state which joined the material.

FIG. 2 is a perspective view of a press mold for carrying out the method for manufacturing a vehicle interior material according to the present invention.

FIG. 3 is a cross-sectional view showing a method for manufacturing a vehicle interior material according to the present invention, in which an interior base material is press-molded at room temperature.

FIG. 4 is a view showing conventional vehicle interior materials, respectively (a)
Is a perspective view of a molded ceiling as an interior material, and (b) is a partial cross-sectional view of the interior material.

[Explanation of symbols]

 1 Interior Material 2 Interior Base Material 3 Skin Material 5 Small Hole 7 Room Lamp Mounting Part 21 Press Mold 22 Lower Mold 23 Upper Mold 25 Cutting Blade 27 Blade Receiver 28 Air Venting Path

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Internal reference number FI technical display location B60N 3/02 A

Claims (4)

[Claims] 1. A vehicle interior material comprising a thermoformable interior base material and a skin material joined to a surface side of the interior base material, wherein the skin material is formed of a material having no air permeability. A small hole for bleeding air is formed in the interior base material, and when the skin material is pressure-bonded to the interior base material, air can be bleeded from the small hole for bleeding air in the interior base material. Characteristic vehicle interior material. 2. A vehicle interior material comprising a thermoformable interior base material and a skin material joined to a surface side of the interior base material, wherein the skin material is vinyl chloride, a thermoplastic elastomer, or a thermoplastic. It is made of a material that does not have air permeability such as olefin, and has small holes for bleeding air in the interior base material, and small holes for bleeding the interior base material when the skin material is pressure-bonded to the interior base material. An interior material for a vehicle, characterized in that air can be vented from the hole. 3. A vehicle interior material comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material, wherein the interior base material comprises a polyethylene base material, and the skin material. Is formed from a material that does not have air permeability such as vinyl chloride, a thermoplastic elastomer, or a thermoplastic olefin, and a small hole for removing air is formed in the interior base material, and a skin material is pressure-bonded to the interior base material. In this case, the interior material for a vehicle is characterized in that air can be bleeded from a small hole for bleeding the interior base material. 4. A method of manufacturing an interior material for a vehicle comprising a thermoformable interior base material and a skin material joined to the surface side of the interior base material, wherein the skin material is vinyl chloride or a thermoplastic elastomer. Alternatively, it is formed from a material having no air permeability such as thermoplastic olefin, and at the time of molding the interior base material, a small hole for bleeding air is formed in a portion to be cut after the molding, and a skin material is formed on the interior base material. A method for producing an interior material for a vehicle, which comprises laminating and bleeding air from a small hole for bleeding an interior base material when pressure-bonding a skin material.