WO2018220779A1 - Structure for attaching and securing acoustic absorbent material to internal trim material for automobile - Google Patents

Structure for attaching and securing acoustic absorbent material to internal trim material for automobile Download PDF

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Publication number
WO2018220779A1
WO2018220779A1 PCT/JP2017/020388 JP2017020388W WO2018220779A1 WO 2018220779 A1 WO2018220779 A1 WO 2018220779A1 JP 2017020388 W JP2017020388 W JP 2017020388W WO 2018220779 A1 WO2018220779 A1 WO 2018220779A1
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Prior art keywords
sound absorbing
absorbing material
slit
interior trim
clip
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PCT/JP2017/020388
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French (fr)
Japanese (ja)
Inventor
卓也 布施
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河西工業株式会社
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Priority to PCT/JP2017/020388 priority Critical patent/WO2018220779A1/en
Publication of WO2018220779A1 publication Critical patent/WO2018220779A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60J—WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILAR DEVICES FOR VEHICLES; REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FOR VEHICLES
    • B60J5/00—Doors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/02—Internal Trim mouldings ; Internal Ledges; Wall liners for passenger compartments; Roof liners
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
    • B60R13/08—Insulating elements, e.g. for sound insulation

Definitions

  • the present invention relates to a structure for mounting a sound absorbing material to an automotive interior trim material such as a door trim disposed inside a vehicle body door panel, and in particular, to reduce the mounting cost of the sound absorbing material, improve the mounting performance, and effectively use the sound absorbing surface. And it is suitable for aiming at the improvement of the convenience at the time of acquiring a sound-absorbing material by a cutting cut.
  • this kind of interior trim material for automobiles has been designed to prevent vibration noise and noise from entering the room or leak outside the room by attaching a sound absorbing material to the back side (the side facing the vehicle body panel of the automobile).
  • the sound-absorbing material is used to improve soundproofing.
  • FIG. 4A is a rear view of an automobile interior trim to which a conventional sound absorbing material mounting structure is applied
  • FIG. 4B is a cross-sectional view taken along the CC line in FIG.
  • the entire surface of the sound absorbing material 3 is attached to the back surface of the automotive interior trim material TR by hot melt adhesive, double-sided tape, or ultrasonic welding. It is fixed.
  • the conventional soundproofing material is provided.
  • the outer peripheral contour shape of the sound absorbing material 3 is a shape that avoids the clip 1 and the clip seat 2, thereby avoiding interference due to the overlap of the sound absorbing material 3 with the clip 1 and the clip seat 2.
  • the sound-absorbing material 3 is adhered and fixed to the back surface of the automobile interior trim material TR by hot melt adhesive, double-sided tape, or ultrasonic welding. Or the installation of ultrasonic welding is needed and the attachment cost of a sound-absorbing material must be high.
  • the entire surface of the sound absorbing material 3 is pasted and fixed to the back surface of the automobile interior trim material TR. Since it is in close contact with the back surface of the trim material TR, it cannot function as a sound absorbing surface, and it cannot be said that the sound absorbing surface of the sound absorbing material is effectively used.
  • the outer contour shape of the sound absorbing material 3 is the clip 1 or clip. Since it becomes a complicated and distorted shape that avoids the seat 2, there is a problem in that it is not convenient to obtain the sound absorbing material 3 by cutting from the sound absorbing base material sheet body, and there is a problem that many parts are discarded as waste.
  • the present invention has been made to solve the above-mentioned problems, and its purpose is to reduce the mounting cost of the sound absorbing material, improve the mounting property, effectively use the sound absorbing surface, and obtain the sound absorbing material by cutting. It is an object of the present invention to provide a structure for attaching a sound absorbing material to an automobile interior trim material, which is suitable for improving the handling convenience.
  • the present invention provides a structure for mounting a sound absorbing material to an automobile interior trim material, the automobile interior trim material supporting a clip for attaching the clip to a vehicle body panel, and the clip.
  • the sound absorbing material is provided with first and second slits for attaching the sound absorbing material to the automobile interior trim material, and the first and second slits are the clip.
  • the sound absorbing material may be attached to and fixed to the automobile interior trim material so that both surfaces of the sound absorbing material float in the air so that both surfaces function as sound absorbing surfaces.
  • the sound-absorbing material is formed by folding a band-shaped sound-absorbing material, and the pair of slits composed of the first and second slits are symmetrical with respect to the folding reference line.
  • the first slits constituting each slit pair are overlapped and communicated with each other, being in a form provided on both sides
  • the second slits constituting each pair of slits may be in a state of being in communication with each other, and the leading end side of the clip may be in a state of passing through each of the communication portions.
  • the front end side of the clip seat passes through the slits from the first slit toward the second slit. Since a configuration is adopted in which a part of the sound absorbing material is wound around the outer periphery of the clip seat in the vicinity of the first and second slits, the following effects can be obtained.
  • the sound absorbing material can be attached and fixed to the automobile interior trim material with one touch by simply passing the tip end of the clip seat through each slit from the first slit to the second slit.
  • the mounting cost of the sound absorbing material can be reduced because it can be abolished without using any of the hot melt adhesive, double-sided tape, ultrasonic welding, etc. used in the conventional sound absorbing material mounting structure.
  • the mounting property can be improved.
  • Part 2 by mounting and fixing the sound absorbing material to the interior trim material for automobiles as described above, both surfaces of the sound absorbing material are in a suspended state so that both surfaces can function as sound absorbing surfaces. Can be used effectively.
  • Part 3 a part of the sound absorbing material is wound around the outer periphery of the clip seat in the vicinity of the first and second slits, and it is not necessary to avoid the clip seat, and the outer contour shape of the sound absorbing material is linear. Since it can be made into a simple shape, it is convenient to obtain the sound absorbing material from the sound absorbing base material sheet body by cutting, and there are few parts to be discarded as waste.
  • FIG. 1 (a) is a rear view of an automotive interior trim material to which the present invention is applied
  • FIG. 1 (b) is an enlarged view taken along arrow A in FIG. 2A is a plan view of the sound absorbing material (one piece) adopted in the automobile interior trim material of FIG. 1A
  • FIG. 2B is a sectional view taken along the line BB of FIG. Figure.
  • 3 (a) is a developed plan view of the sound absorbing material (two-layered product) used in the automobile interior trim material of FIG. 1 (a)
  • FIG. 3 (b) is an automatic operation of the sound absorbing material of FIG. 3 (a).
  • FIG. 4A is a rear view of an automobile interior trim to which a conventional sound absorbing material mounting structure is applied
  • FIG. 4B is a cross-sectional view taken along line CC in FIG.
  • FIG. 1 (a) is a back view of an automotive interior trim material to which the present invention is applied
  • FIG. 1 (b) is an enlarged view as viewed in the direction of arrow A in FIG. 1 (a).
  • an automotive interior trim material TR shown in FIG. 1 (a) has a clip 1 for attaching it to a vehicle body panel BP, and a clip seat 2 for supporting the clip 1. ing.
  • the clip seat 2 has a shape rising from the back surface of the automobile interior trim material TR toward the vehicle body panel BP, and the clip 1 is attached to the upper end surface of the rising shape. .
  • the attachment structure of the clip 1 is known, the detailed description is abbreviate
  • the clip 1 is made of resin so as to be elastically deformable.
  • the clip 1 is press-fitted into a mounting hole (not shown) of the vehicle body panel BP, and the clip 1 is elastically deformed by the force of this press-fitting and can pass through the mounting hole (not shown) of the vehicle body panel BP.
  • the clip 1 returns to the original state by the elastic return force, the attachment of the automobile interior trim material TR to the vehicle body panel BP by the clip 1 is completed.
  • the automobile interior trim material TR of FIG. 1A has a belt-like sound absorbing material 3 attached to the back surface thereof.
  • a sound absorbing material 3 As an example of this type of sound absorbing material 3, felt is employed in the automobile interior trim material TR of FIG. 5A, but a sound absorbing material other than felt may be employed as the sound absorbing material 3.
  • the mounting structure of the sound absorbing material 3 to the automobile interior trim material TR (hereinafter referred to as “the sound absorbing material mounting structure of the present embodiment”) will be described.
  • FIG. 2 (a) is a plan view of the sound absorbing material employed in the automobile interior trim material of FIG. 1 (a), and FIG. 2 (b) is a sectional view taken along the line BB of FIG. 2 (a).
  • the sound absorbing material 3 in the sound absorbing material mounting structure of the present embodiment includes first and second slits 41 and 42 for mounting the sound absorbing material 3 on the automobile interior trim material TR. ing.
  • the first and second slits 41 and 42 are formed by cutting along the width direction L of the clip seat 2 (see FIG. 1B) and the height direction H of the clip seat 2 (FIG. 1). (See (b)) are arranged in multiple stages.
  • the tip side of the clip seat 2 passes through the slits 41 and 42 from the first slit 41 toward the second slit 42 as shown in FIG.
  • a part of the sound absorbing material 3 (specifically, the belt-like portion D between the first slit 41 and the second slit 42) near the first and second slits 41 and 42 is clipped.
  • the sound-absorbing material 3 is positioned and fixed at a predetermined position in the height direction of the clip seat 2 by the scuffing force.
  • the sound absorbing material 3 has both surfaces 3A and 3B suspended in the air as shown in FIG. 1A by mounting and fixing the sound absorbing material 3 to the automobile interior trim material TR as described above. By being in a floating state, both the surfaces 3A and 3B have a structure that can function as a sound absorbing surface.
  • the sound absorbing material 3 in FIGS. 1 (a), 1 (b) and 2 (a), 2 (b) is configured as a single piece, but the number of the sound absorbing materials 3 may be changed as needed. it can.
  • FIG. 3A is a developed plan view of the sound absorbing material (two-layered product) adopted as the second embodiment in the automobile interior trim material of FIG. 1A, and FIG. It is explanatory drawing of the folding state when mounting the sound-absorbing material of a) to an automatic interior trim.
  • the sound absorbing material 3 in FIGS. 3 (a) and 3 (b) is symmetrical with respect to the folded form of the band-shaped sound absorbing material 30 and the folding reference line P therebetween.
  • the slit pairs 4A and 4B including the first and second slits 41 and 42 are provided on both sides of the folding reference line P.
  • the first slits constituting the slit pairs 4A and 4B are provided. 41, 41 are in communication with each other and the second slits 42, 42 constituting each slit pair 4A, 4B are in communication with each other. Since the tip end side of 2 is passed through, the first and second slits 41 and 42 are the same as the sound absorbing material 3 in FIGS. 1A and 1B and FIGS. 2A and 2B described above. A part of the sound absorbing material 3 (specifically, a belt-like portion D between the first slit 41 and the second slit 42) is wound around the outer periphery of the clip seat 2 in the vicinity.
  • the leading end side of the clip seat 2 passes through the slits 41 and 42 from the first slit 41 toward the second slit 42. Since the configuration in which a part of the sound absorbing material 3 is wound around the outer periphery of the clip seat 2 in the vicinity of the first and second slits 41 and 42 is employed, the following effects can be obtained.
  • the interior of an automobile can be simply assembled by passing the tip side of the clip seat 2 from the first slit 41 toward the second slit 42 through the slits 41, 42.
  • the sound absorbing material 3 can be mounted and fixed to the trim material TR with a single touch, and the hot-melt adhesive, double-sided tape, ultrasonic welding, etc. used in the conventional sound absorbing material mounting structure are used for the mounting and fixing. Therefore, it is possible to reduce the mounting cost of the sound absorbing material 3 and improve the mounting performance.
  • both surfaces 3A and 3B of the sound absorbing material 3 are in a suspended state. Since both surfaces 3A and 3B can function as sound absorbing surfaces, the sound absorbing surfaces can be effectively used.
  • Part 3 In the sound absorbing material mounting structure of the present embodiment, a part of the sound absorbing material 3 is wound around the outer periphery of the clip seat 2 in the vicinity of the first and second slits 41 and 42, and the clip seat 2 needs to be avoided.
  • the outer peripheral contour shape of the sound absorbing material 3 can be a linear shape, it is convenient to obtain the sound absorbing material 3 from the sound absorbing base material sheet by cutting, and there are few parts to be discarded as waste. There is also an advantage.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)

Abstract

[Problem] To provide a structure for attaching an acoustic absorbent material to an internal trim material for an automobile, which is suitable for reducing the cost of attaching the acoustic absorbent material, improving attachability, efficiently using an acoustic absorbent surface, and improving conditions when acquiring the acoustic absorbent material by shear-cutting. [Solution] A structure for attaching an acoustic absorbent material 3 to an internal trim material TR for an automobile, wherein: the internal trim material TR for an automobile has a clip 1 for attaching the material to a body panel BP, and a clip seat 2 that supports the clip; the acoustic absorbent material 3 is provided with first and second slits 41, 42 for attaching the material to the internal trim material for an automobile; the first and second slits are formed by incisions along the width direction of the clip seat 2, and are also aligned in multiple levels along the height direction of the clip seat 2; and due to the distal end side of the clip seat 2 being pulled out through the slits from the first slit 41 toward the second slit 42, part of the acoustic absorbent material 3 comes to be wound around the external periphery of the clip seat 2, in proximity to the first and second slits.

Description

自動車用内装トリム材に対する吸音材の取付け固定構造Mounting and fixing structure of sound absorbing material to interior trim material for automobile
　本発明は、車体ドアパネルの内側に配置されるドアトリム等のような自動車用内装トリム材に対する吸音材の取付け構造に関し、特に、吸音材の取付けコストの低減、取付け性の向上、吸音面の有効利用、および、裁断カットによって吸音材を取得する際の取り都合の向上を図るのに好適なものである。 The present invention relates to a structure for mounting a sound absorbing material to an automotive interior trim material such as a door trim disposed inside a vehicle body door panel, and in particular, to reduce the mounting cost of the sound absorbing material, improve the mounting performance, and effectively use the sound absorbing surface. And it is suitable for aiming at the improvement of the convenience at the time of acquiring a sound-absorbing material by a cutting cut.
　従来、この種の自動車用内装トリム材は、その裏面（自動車の車体パネルと対向する面側）に吸音材を取付けることで、振動音や騒音が室内に入るのを防いだり室外に漏れるのを防いだりする等、吸音材による防音性の向上を図っている。 Conventionally, this kind of interior trim material for automobiles has been designed to prevent vibration noise and noise from entering the room or leak outside the room by attaching a sound absorbing material to the back side (the side facing the vehicle body panel of the automobile). The sound-absorbing material is used to improve soundproofing.
　従来の自動車用内装トリム材に対する防音材の取付け構造（以下「従来の防音材取付け構造」という）は、例えば、特許文献１の図５に開示されている。図４（ａ）は、従来の吸音材取付け構造を適用した自動車用内装トリムの裏面図、同図（ｂ）は、同図（ａ）のＣＣ線での断面矢視図である。 A conventional soundproof material mounting structure (hereinafter referred to as “conventional soundproof material mounting structure”) to an automotive interior trim material is disclosed in, for example, FIG. FIG. 4A is a rear view of an automobile interior trim to which a conventional sound absorbing material mounting structure is applied, and FIG. 4B is a cross-sectional view taken along the CC line in FIG.
　図４（ａ）（ｂ）に示した従来の防音材取付け構造では、ホットメルト接着材、両面テープ、あるいは超音波溶着によって、吸音材３の一面全体を自動車用内装トリム材ＴＲの裏面に貼付け固定している。 In the conventional soundproof material mounting structure shown in FIGS. 4 (a) and 4 (b), the entire surface of the sound absorbing material 3 is attached to the back surface of the automotive interior trim material TR by hot melt adhesive, double-sided tape, or ultrasonic welding. It is fixed.
　ところで、自動車用内装トリム材ＴＲの裏面には、自動車用内装トリム材ＴＲを車体パネルに取付けるためのクリップ１や、該クリップ１を支持するクリップ座２が設けられているので、従来の防音材取付け構造では、吸音材３の外周輪郭形状をクリップ１やクリップ座２を避けた形状とすることで、吸音材３とクリップ１やクリップ座２との重なりによる干渉を回避している。 By the way, since the clip 1 for attaching the vehicle interior trim material TR to the vehicle body panel and the clip seat 2 for supporting the clip 1 are provided on the back surface of the vehicle interior trim material TR, the conventional soundproofing material is provided. In the mounting structure, the outer peripheral contour shape of the sound absorbing material 3 is a shape that avoids the clip 1 and the clip seat 2, thereby avoiding interference due to the overlap of the sound absorbing material 3 with the clip 1 and the clip seat 2.
　しかし、従来の吸音材取付け構造によると、前記の通り、ホットメルト接着材、両面テープ、あるいは超音波溶着によって吸音材３を自動車用内装トリム材ＴＲの裏面に貼付け固定しているため、接着材あるいは超音波溶着用の設備が必要となり、吸音材の取付けコストが高くならざるを得ない。 However, according to the conventional sound-absorbing material mounting structure, as described above, the sound-absorbing material 3 is adhered and fixed to the back surface of the automobile interior trim material TR by hot melt adhesive, double-sided tape, or ultrasonic welding. Or the installation of ultrasonic welding is needed and the attachment cost of a sound-absorbing material must be high.
　また、従来の吸音材取付け構造では、自動車用内装トリム材ＴＲに対して吸音材３を取付け固定するのにあたり、ホットメルト接着材や両面テープを使用する場合には（１）自動車用内装トリム材の裏面あるいは吸音材の一面にホットメルト接着材を塗布する、あるいは両面テープを貼付する作業や、（２）クリップを避けながら内装トリム材の裏面に吸音材をセットする作業など、手間を要する各種の段取り作業が必要になり、自動車用内装トリム材に対して自動車用吸音材をワンタッチで簡単に取付けることができず、吸音材の取付け性が悪い。この点は、超音波溶着を使用する場合も同様である。超音波溶着では、前記（２）のようなセット作業や、自動車用内装トリム材を超音波用着設備にセットする作業など、手間を要する各種の段取り作業が必要になる。 In addition, in the conventional sound absorbing material mounting structure, when a hot melt adhesive or double-sided tape is used for mounting and fixing the sound absorbing material 3 to the automotive interior trim material TR, (1) an automotive interior trim material. Various operations that require labor, such as applying hot-melt adhesive on the back or one side of the sound-absorbing material, or attaching double-sided tape, and (2) setting the sound-absorbing material on the back of the interior trim material while avoiding clips Therefore, the sound absorbing material for automobiles cannot be easily attached to the interior trim material for automobiles with a single touch, and the mounting property of the sound absorbing material is poor. This also applies to the case where ultrasonic welding is used. In ultrasonic welding, various set-up operations such as the above-described setting operation (2) and the operation of setting the interior trim material for automobiles in ultrasonic installation equipment are required.
　さらに、従来の吸音材取付け構造では、前記の通り、吸音材３の一面全体を自動車用内装トリム材ＴＲの裏面に貼付け固定しており、貼付け固定された吸音材３の一面は、自動車用内装トリム材ＴＲの裏面に密着しているので吸音面として機能することができず、吸音材の吸音面を有効に利用しているとは言えない。 Furthermore, in the conventional sound absorbing material mounting structure, as described above, the entire surface of the sound absorbing material 3 is pasted and fixed to the back surface of the automobile interior trim material TR. Since it is in close contact with the back surface of the trim material TR, it cannot function as a sound absorbing surface, and it cannot be said that the sound absorbing surface of the sound absorbing material is effectively used.
　また、従来の自動車用吸音材の取付け構造では、前記の通り、吸音材３とクリップ１やクリップ座２との重なりによる干渉を回避するために、吸音材３の外周輪郭形状がクリップ１やクリップ座２を避けた複雑かつ歪な形状になるので、吸音母材シート体から裁断カットによって吸音材３を取得する際の取り都合が悪く、カスとして廃棄する部分が多いという問題点もある。 Further, in the conventional mounting structure of the sound absorbing material for automobiles, as described above, in order to avoid interference due to the overlap between the sound absorbing material 3 and the clip 1 or the clip seat 2, the outer contour shape of the sound absorbing material 3 is the clip 1 or clip. Since it becomes a complicated and distorted shape that avoids the seat 2, there is a problem in that it is not convenient to obtain the sound absorbing material 3 by cutting from the sound absorbing base material sheet body, and there is a problem that many parts are discarded as waste.
特開２００３－２５２１２５号公報JP 2003-252125 A
　本発明は前記問題点を解決するためになされたものであり、その目的は、吸音材の取付けコスト低減、取付け性向上、吸音面の有効利用、および、裁断カットによって吸音材を取得する際の取り都合の向上を図るのに好適な、自動車用内装トリム材に対する吸音材の取付け構造を提供することである。 The present invention has been made to solve the above-mentioned problems, and its purpose is to reduce the mounting cost of the sound absorbing material, improve the mounting property, effectively use the sound absorbing surface, and obtain the sound absorbing material by cutting. It is an object of the present invention to provide a structure for attaching a sound absorbing material to an automobile interior trim material, which is suitable for improving the handling convenience.
　前記目的を達成するために、本発明は、自動車用内装トリム材に対する吸音材の取付け構造であって、前記自動車用内装トリム材は、これを車体パネルに取付けるためのクリップと、該クリップを支持するクリップ座と、を有し、前記吸音材は、これを前記自動車用内装トリム材に取付けるための第１および第２のスリットを備えており、前記第１および第２のスリットは、前記クリップ座の幅方向に沿って切込み形成された状態、および、前記クリップ座の高さ方向に沿って多段に並べて配置された状態になっており、前記第１のスリットから前記第２のスリットに向けて前記クリップ座の先端側がそれぞれのスリットを通り抜けた状態となることで、前記第１および第２のスリット付近で前記吸音材の一部が前記クリップ座の外周部に巻き付いた形態になっていることを特徴とする。 In order to achieve the above object, the present invention provides a structure for mounting a sound absorbing material to an automobile interior trim material, the automobile interior trim material supporting a clip for attaching the clip to a vehicle body panel, and the clip. And the sound absorbing material is provided with first and second slits for attaching the sound absorbing material to the automobile interior trim material, and the first and second slits are the clip. It is in a state of being cut along the width direction of the seat and in a state of being arranged in multiple stages along the height direction of the clip seat, from the first slit toward the second slit As a result, the tip end side of the clip seat passes through the slits, so that a part of the sound absorbing material is placed on the outer periphery of the clip seat in the vicinity of the first and second slits. Characterized in that it has to come with form.
　前記本発明において、前記自動車用内装トリム材に対する前記吸音材の取付け固定により、前記吸音材の両面が宙に浮いた状態となることでその両面とも吸音面として機能することを特徴としてもよい。 In the present invention, the sound absorbing material may be attached to and fixed to the automobile interior trim material so that both surfaces of the sound absorbing material float in the air so that both surfaces function as sound absorbing surfaces.
　前記本発明において、前記吸音材は、帯状の吸音素材を折り畳んだ形態、その折畳み基準線を挟んで線対称となるように前記第１および第２のスリットからなるスリット対が前記折畳み基準線の両側に設けられた形態になっていること、および、前記折畳み基準線の両側に位置する２対の前記スリット対において、その各スリット対を構成する前記第１のスリットどうしが重なって連通し、その各スリット対を構成する前記第２のスリットどうしが重なって連通した状態になっていて、それぞれの連通部分を前記クリップの先端側が通り抜けた状態となっていることを特徴としてもよい。 In the present invention, the sound-absorbing material is formed by folding a band-shaped sound-absorbing material, and the pair of slits composed of the first and second slits are symmetrical with respect to the folding reference line. In the two pairs of slits located on both sides of the folding reference line, the first slits constituting each slit pair are overlapped and communicated with each other, being in a form provided on both sides The second slits constituting each pair of slits may be in a state of being in communication with each other, and the leading end side of the clip may be in a state of passing through each of the communication portions.
　本発明では、自動車用内装トリム材に対する吸音材の取付け構造として、前記の通り第１のスリットから第２のスリットに向けてクリップ座の先端側がそれぞれのスリットを通り抜けた状態となることで、第１および第２のスリット付近で吸音材の一部がクリップ座の外周部に巻き付いた形態となる構成を採用したため、下記のような作用効果が奏し得られる。 In the present invention, as the sound absorbing material mounting structure for the automobile interior trim material, as described above, the front end side of the clip seat passes through the slits from the first slit toward the second slit. Since a configuration is adopted in which a part of the sound absorbing material is wound around the outer periphery of the clip seat in the vicinity of the first and second slits, the following effects can be obtained.
　作用効果（その１）
　本発明によると、第１のスリットから第２のスリットに向けてクリップ座の先端側をそれぞれのスリットに通すだけの簡単な作業で、自動車用内装トリム材に対して吸音材をワンタッチで取付け固定することができること、その取付け固定にあたり、従来の吸音材取付け構造で採用していたホットメルト接着材、両面テープ、超音波溶着などをいずれも使用することなく廃止できることから、吸音材の取付けコスト低減および取付け性の向上を図ることができる。 Effect (Part 1)
According to the present invention, the sound absorbing material can be attached and fixed to the automobile interior trim material with one touch by simply passing the tip end of the clip seat through each slit from the first slit to the second slit. The mounting cost of the sound absorbing material can be reduced because it can be abolished without using any of the hot melt adhesive, double-sided tape, ultrasonic welding, etc. used in the conventional sound absorbing material mounting structure. In addition, the mounting property can be improved.
　作用効果（その２）
　本発明によると、前記のような自動車用内装トリム材に対する吸音材の取付け固定により、吸音材の両面が宙に浮いた状態となることでその両面とも吸音面として機能し得ることから、吸音面の有効利用も図れる。 Effect (Part 2)
According to the present invention, by mounting and fixing the sound absorbing material to the interior trim material for automobiles as described above, both surfaces of the sound absorbing material are in a suspended state so that both surfaces can function as sound absorbing surfaces. Can be used effectively.
　作用効果（その３）
　本発明によると、吸音材はその一部が第１および第２のスリット付近でクリップ座の外周部に巻き付いた形態になり、クリップ座を避ける必要がなく、吸音材の外周輪郭形状を直線的な形状とすることができるので、吸音母材シート体から裁断カットによって吸音材を取得する際の取り都合が良く、カスとして廃棄する部分が少ない。 Effect (Part 3)
According to the present invention, a part of the sound absorbing material is wound around the outer periphery of the clip seat in the vicinity of the first and second slits, and it is not necessary to avoid the clip seat, and the outer contour shape of the sound absorbing material is linear. Since it can be made into a simple shape, it is convenient to obtain the sound absorbing material from the sound absorbing base material sheet body by cutting, and there are few parts to be discarded as waste.
図１（ａ）は本発明を適用した自動車用内装トリム材の裏面図、同図（ｂ）は同図（ａ）のＡ矢視拡大図。FIG. 1 (a) is a rear view of an automotive interior trim material to which the present invention is applied, and FIG. 1 (b) is an enlarged view taken along arrow A in FIG. 図２（ａ）は図１（ａ）の自動車用内装トリム材で採用した吸音材（１枚物）の平面図、図２（ｂ）は同図（ａ）のＢＢ線での断面矢視図。2A is a plan view of the sound absorbing material (one piece) adopted in the automobile interior trim material of FIG. 1A, and FIG. 2B is a sectional view taken along the line BB of FIG. Figure. 図３（ａ）は図１（ａ）の自動車用内装トリム材で採用した吸音材（２枚重ね物）の展開平面図、図３（ｂ）は同図（ａ）の吸音材を自動作内装トリムに実装するときの折り重ね状態の説明図。3 (a) is a developed plan view of the sound absorbing material (two-layered product) used in the automobile interior trim material of FIG. 1 (a), and FIG. 3 (b) is an automatic operation of the sound absorbing material of FIG. 3 (a). Explanatory drawing of the folding state when mounting in an interior trim. 図４（ａ）は従来の吸音材取付け構造を適用した自動車用内装トリムの裏面図、同図（ｂ）は同図（ａ）のＣＣ線での断面矢視図。FIG. 4A is a rear view of an automobile interior trim to which a conventional sound absorbing material mounting structure is applied, and FIG. 4B is a cross-sectional view taken along line CC in FIG.
　以下、本発明を実施するための最良の形態について、添付した図面を参照しながら詳細に説明する。 Hereinafter, the best mode for carrying out the present invention will be described in detail with reference to the accompanying drawings.
　図１（ａ）は本発明を適用した自動車用内装トリム材の裏面図、同図（ｂ）は同図（ａ）のＡ矢視拡大図である。 FIG. 1 (a) is a back view of an automotive interior trim material to which the present invention is applied, and FIG. 1 (b) is an enlarged view as viewed in the direction of arrow A in FIG. 1 (a).
　図１（ａ）を参照すると、同図（ａ）の自動車用内装トリム材ＴＲは、これを車体パネルＢＰに取付けるためのクリップ１と、該クリップ１を支持するクリップ座２と、を有している。 Referring to FIG. 1 (a), an automotive interior trim material TR shown in FIG. 1 (a) has a clip 1 for attaching it to a vehicle body panel BP, and a clip seat 2 for supporting the clip 1. ing.
　図１（ｂ）を参照すると、クリップ座２は、自動車用内装トリム材ＴＲの裏面から車体パネルＢＰに向けて立ち上がった形状になっていて、その立ち上り形状の上端面にクリップ１を取付けてある。なお、クリップ１の取付け構造は周知であるため、その詳細説明は省略する。 Referring to FIG. 1B, the clip seat 2 has a shape rising from the back surface of the automobile interior trim material TR toward the vehicle body panel BP, and the clip 1 is attached to the upper end surface of the rising shape. . In addition, since the attachment structure of the clip 1 is known, the detailed description is abbreviate | omitted.
　クリップ１は、弾性変形可能に樹脂で形成されている。当該クリップ１を車体パネルＢＰの取付け穴（図示省略）に圧入し、この圧入の力によってクリップ１は弾性変形して車体パネルＢＰの取付け穴（図示省略）を通り抜けることができ、そのように通り抜けたクリップ１が弾性復帰力によって元の状態に戻ることで、クリップ１による車体パネルＢＰへの自動車用内装トリム材ＴＲの取付けは、完了する。 The clip 1 is made of resin so as to be elastically deformable. The clip 1 is press-fitted into a mounting hole (not shown) of the vehicle body panel BP, and the clip 1 is elastically deformed by the force of this press-fitting and can pass through the mounting hole (not shown) of the vehicle body panel BP. When the clip 1 returns to the original state by the elastic return force, the attachment of the automobile interior trim material TR to the vehicle body panel BP by the clip 1 is completed.
　また、図１（ａ）の自動車用内装トリム材ＴＲは、その裏面に、帯状の吸音材３を取付けてある。この種の吸音材３の一実施例として、同図（ａ）の自動車用内装トリム材ＴＲでは、フェルトを採用しているが、フェルト以外の吸音素材を吸音材３として採用してもよい。 Further, the automobile interior trim material TR of FIG. 1A has a belt-like sound absorbing material 3 attached to the back surface thereof. As an example of this type of sound absorbing material 3, felt is employed in the automobile interior trim material TR of FIG. 5A, but a sound absorbing material other than felt may be employed as the sound absorbing material 3.
　次に、自動車用内装トリム材ＴＲに対する吸音材３の取付け構造（以下「本実施形態の吸音材取付け構造」という）について説明する。 Next, the mounting structure of the sound absorbing material 3 to the automobile interior trim material TR (hereinafter referred to as “the sound absorbing material mounting structure of the present embodiment”) will be described.
　図２（ａ）は図１（ａ）の自動車用内装トリム材で採用した吸音材の平面図、図２（ｂ）は同図（ａ）のＢＢ線での断面矢視図である。 2 (a) is a plan view of the sound absorbing material employed in the automobile interior trim material of FIG. 1 (a), and FIG. 2 (b) is a sectional view taken along the line BB of FIG. 2 (a).
　図２（ａ）（ｂ）を参照すると、本実施形態の吸音材取付け構造における吸音材３は、これを自動車用内装トリム材ＴＲに取付けるための第１および第２のスリット４１、４２を備えている。 Referring to FIGS. 2A and 2B, the sound absorbing material 3 in the sound absorbing material mounting structure of the present embodiment includes first and second slits 41 and 42 for mounting the sound absorbing material 3 on the automobile interior trim material TR. ing.
　前記第１および第２のスリット４１、４２は、クリップ座２の幅方向Ｌ（図１（ｂ）参照）に沿って切込み形成された状態、および、クリップ座２の高さ方向Ｈ（図１（ｂ）参照）に沿って多段に並べて配置された状態になっている。 The first and second slits 41 and 42 are formed by cutting along the width direction L of the clip seat 2 (see FIG. 1B) and the height direction H of the clip seat 2 (FIG. 1). (See (b)) are arranged in multiple stages.
　そして、本実施形態の吸音材取付け構造では、図１（ｂ）のように第１のスリット４１から第２のスリット４２に向けてクリップ座２の先端側がそれぞれのスリット４１、４２を通り抜けた状態となることで、第１および第２のスリット４１、４２付近で吸音材３の一部（具体的には、第１のスリット４１と第２のスリット４２の間の帯状部分Ｄ）がクリップ座２の外周部に巻き付いた形態になっており、その捲き付き力によって、吸音材３はクリップ座２の高さ方向所定位置に位置決め固定されている。 And in the sound-absorbing material mounting structure of the present embodiment, the tip side of the clip seat 2 passes through the slits 41 and 42 from the first slit 41 toward the second slit 42 as shown in FIG. As a result, a part of the sound absorbing material 3 (specifically, the belt-like portion D between the first slit 41 and the second slit 42) near the first and second slits 41 and 42 is clipped. The sound-absorbing material 3 is positioned and fixed at a predetermined position in the height direction of the clip seat 2 by the scuffing force.
　前記のように吸音材３が位置決め固定された状態で、自動車用内装トリム材ＴＲに対する吸音材３の取付け固定は、完結する。 In the state where the sound absorbing material 3 is positioned and fixed as described above, the mounting and fixing of the sound absorbing material 3 to the automobile interior trim material TR is completed.
　また、本実施形態の吸音材取付け構造では、前記のような自動車用内装トリム材ＴＲに対する吸音材３の取付け固定により、吸音材３の両面３Ａ、３Ｂが図１（ａ）のように宙に浮いた状態となることで、その両面３Ａ、３Ｂとも吸音面として機能できる構造になっている。 Further, in the sound absorbing material mounting structure of the present embodiment, the sound absorbing material 3 has both surfaces 3A and 3B suspended in the air as shown in FIG. 1A by mounting and fixing the sound absorbing material 3 to the automobile interior trim material TR as described above. By being in a floating state, both the surfaces 3A and 3B have a structure that can function as a sound absorbing surface.
　ところで、図１（ａ）（ｂ）および図２（ａ）（ｂ）の吸音材３は一枚物として構成したものであるが、吸音材３の枚数は必要に応じて適宜変更することができる。 Incidentally, the sound absorbing material 3 in FIGS. 1 (a), 1 (b) and 2 (a), 2 (b) is configured as a single piece, but the number of the sound absorbing materials 3 may be changed as needed. it can.
　図３（ａ）は、図１（ａ）の自動車用内装トリム材において第２の実施形態として採用した吸音材（２枚重ね物）の展開平面図、図３（ｂ）は、同図（ａ）の吸音材を自動作内装トリムに実装するときの折り重ね状態の説明図である。 FIG. 3A is a developed plan view of the sound absorbing material (two-layered product) adopted as the second embodiment in the automobile interior trim material of FIG. 1A, and FIG. It is explanatory drawing of the folding state when mounting the sound-absorbing material of a) to an automatic interior trim.
　図３（ａ）（ｂ）を参照すると、同図（ａ）（ｂ）の吸音材３は、帯状の吸音素材３０を折り畳んだ形態、および、その折畳み基準線Ｐを挟んで線対称となるように、前記第１および第２のスリット４１、４２からなるスリット対４Ａ、４Ｂが折畳み基準線Ｐの両側に設けられた形態になっている。 Referring to FIGS. 3 (a) and 3 (b), the sound absorbing material 3 in FIGS. 3 (a) and 3 (b) is symmetrical with respect to the folded form of the band-shaped sound absorbing material 30 and the folding reference line P therebetween. As described above, the slit pairs 4A and 4B including the first and second slits 41 and 42 are provided on both sides of the folding reference line P.
　また、この図３（ａ）（ｂ）の吸音材３では、前記折畳み基準線Ｐの両側に位置する２対のスリット対４Ａ、４Ｂにおいて、各スリット対４Ａ、４Ｂを構成する第１のスリット４１、４１どうしが互いに重なって連通した状態、および、各スリット対４Ａ、４Ｂを構成する第２のスリット４２、４２どうしが互いに重なって連通した状態になっており、それぞれの連通部分をクリップ座２の先端側が通り抜けた状態となることで、先に説明した図１（ａ）（ｂ）、図２（ａ）（ｂ）の吸音材３と同じく、第１および第２のスリット４１、４２付近で吸音材３の一部（具体的には、第１のスリット４１と第２のスリット４２の間の帯状部分Ｄ）がクリップ座２の外周部に巻き付いた形態になる。 3A and 3B, in the two pairs of slits 4A and 4B located on both sides of the folding reference line P, the first slits constituting the slit pairs 4A and 4B are provided. 41, 41 are in communication with each other and the second slits 42, 42 constituting each slit pair 4A, 4B are in communication with each other. Since the tip end side of 2 is passed through, the first and second slits 41 and 42 are the same as the sound absorbing material 3 in FIGS. 1A and 1B and FIGS. 2A and 2B described above. A part of the sound absorbing material 3 (specifically, a belt-like portion D between the first slit 41 and the second slit 42) is wound around the outer periphery of the clip seat 2 in the vicinity.
　以上説明したように、本実施形態の吸音材取付け構造では、第１のスリット４１から第２のスリット４２に向けてクリップ座２の先端側がそれぞれのスリット４１、４２を通り抜けた状態となることで、第１および第２のスリット４１、４２付近で吸音材３の一部がクリップ座２の外周部に巻き付いた形態となる構成を採用したため、下記のような作用効果が奏し得られる。 As described above, in the sound absorbing material mounting structure of the present embodiment, the leading end side of the clip seat 2 passes through the slits 41 and 42 from the first slit 41 toward the second slit 42. Since the configuration in which a part of the sound absorbing material 3 is wound around the outer periphery of the clip seat 2 in the vicinity of the first and second slits 41 and 42 is employed, the following effects can be obtained.
　作用効果（その１）
　本実施形態の吸音材取付け構造によると、第１のスリット４１から第２のスリット４２に向けてクリップ座２の先端側をそれぞれのスリット４１、４２に通すだけの簡単な作業で、自動車用内装トリム材ＴＲに対して吸音材３をワンタッチで取付け固定することができること、その取付け固定にあたり、従来の吸音材取付け構造で採用していたホットメルト接着材、両面テープ、超音波溶着などを使用することなく廃止できることから、吸音材３の取付けコスト低減および取付け性の向上を図ることができる。 Effect (Part 1)
According to the sound absorbing material mounting structure of the present embodiment, the interior of an automobile can be simply assembled by passing the tip side of the clip seat 2 from the first slit 41 toward the second slit 42 through the slits 41, 42. The sound absorbing material 3 can be mounted and fixed to the trim material TR with a single touch, and the hot-melt adhesive, double-sided tape, ultrasonic welding, etc. used in the conventional sound absorbing material mounting structure are used for the mounting and fixing. Therefore, it is possible to reduce the mounting cost of the sound absorbing material 3 and improve the mounting performance.
　作用効果（その２）
　本実施形態の吸音材取付け構造によると、前記のような自動車用内装トリム材ＴＲに対する吸音材３の取付け固定により、吸音材３の両面３Ａ、３Ｂが宙に浮いた状態となることで、その両面３Ａ、３Ｂとも吸音面として機能し得ることから、吸音面の有効利用も図れる。 Effect (Part 2)
According to the sound absorbing material mounting structure of the present embodiment, by mounting and fixing the sound absorbing material 3 to the automobile interior trim material TR as described above, both surfaces 3A and 3B of the sound absorbing material 3 are in a suspended state. Since both surfaces 3A and 3B can function as sound absorbing surfaces, the sound absorbing surfaces can be effectively used.
　作用効果（その３）
　本実施形態の吸音材取付け構造では、吸音材３はその一部が第１および第２のスリット４１、４２付近でクリップ座２の外周部に巻き付いた形態になり、クリップ座２を避ける必要がなく、吸音材３の外周輪郭形状を直線的な形状とすることができるので、吸音母材シート体から裁断カットによって吸音材３を取得する際の取り都合が良く、カスとして廃棄する部分が少ないという利点もある。 Effect (Part 3)
In the sound absorbing material mounting structure of the present embodiment, a part of the sound absorbing material 3 is wound around the outer periphery of the clip seat 2 in the vicinity of the first and second slits 41 and 42, and the clip seat 2 needs to be avoided. In addition, since the outer peripheral contour shape of the sound absorbing material 3 can be a linear shape, it is convenient to obtain the sound absorbing material 3 from the sound absorbing base material sheet by cutting, and there are few parts to be discarded as waste. There is also an advantage.
　本発明は、以上説明した実施形態に限定されるものではなく、本発明の技術的思想内で当分野において通常の知識を有する者により多くの変形が可能である。 The present invention is not limited to the embodiments described above, and many modifications can be made by those having ordinary knowledge in the art within the technical idea of the present invention.
１　クリップ
２　クリップ座
３　吸音材
３Ａ、３Ｂ　吸音材の両面
３０　帯状の吸音素材
４Ａ、４Ｂ　スリット対
４１　第１のスリット
４２　第２のスリット
ＢＰ　車体パネル
Ｄ　スリットの間の帯状部分
Ｈ　クリップ座の高さ方向
Ｌ　クリップ座の幅方向
Ｐ　折畳み基準線
ＴＲ　自動車用内装トリム材 DESCRIPTION OF SYMBOLS 1 Clip 2 Clip seat 3 Sound-absorbing material 3A, 3B Both surfaces 30 of a sound-absorbing material Band-shaped sound-absorbing material 4A, 4B Slit pair 41 First slit 42 Second slit BP Vehicle body panel D Belt-shaped part H between slits Length direction L Clip seat width direction P Folding reference line TR Automotive interior trim material

Claims (3)

  1. 　自動車用内装トリム材に対する吸音材の取付け構造であって、
    　前記自動車用内装トリム材は、これを車体パネルに取付けるためのクリップと、該クリップを支持するクリップ座と、を有し、
    　前記吸音材は、これを前記自動車用内装トリム材に取付けるための第１および第２のスリットを備えており、
    　前記第１および第２のスリットは、前記クリップ座の幅方向に沿って切込み形成された状態、および、前記クリップ座の高さ方向に沿って多段に並べて配置された状態になっており、
    　前記第１のスリットから前記第２のスリットに向けて前記クリップ座の先端側がそれぞれのスリットを通り抜けた状態となることで、前記第１および第２のスリット付近で前記吸音材の一部が前記クリップ座の外周部に巻き付いた形態になっていること
    　を特徴とする自動車用内装トリム材に対する吸音材の取付け構造。     A sound absorbing material mounting structure for an automotive interior trim material,
    The automotive interior trim material has a clip for attaching it to a vehicle body panel, and a clip seat that supports the clip,
    The sound absorbing material includes first and second slits for attaching the sound absorbing material to the automobile interior trim material,
    The first and second slits are in a state of being cut along the width direction of the clip seat, and are arranged in multiple stages along the height direction of the clip seat,
    When the tip side of the clip seat passes through each slit from the first slit toward the second slit, a part of the sound absorbing material is near the first slit and the second slit. A structure for attaching a sound absorbing material to an interior trim material for an automobile, characterized in that it is wound around the outer periphery of the clip seat.
  2. 　前記自動車用内装トリム材に対する前記吸音材の取付け固定により、前記吸音材の両面が宙に浮いた状態となることでその両面とも吸音面として機能すること
    　を特徴とする請求項１に記載の自動車用内装トリム材に対する吸音材の取付け構造。     The automobile according to claim 1, wherein the sound absorbing material is attached to and fixed to the automobile interior trim material, so that both surfaces of the sound absorbing material are suspended in the air so that both surfaces function as sound absorbing surfaces. Mounting structure of sound absorbing material to interior trim material.
  3. 　前記吸音材は、帯状の吸音素材を折り畳んだ形態、その折畳み基準線を挟んで線対称となるように前記第１および第２のスリットからなるスリット対が前記折畳み基準線の両側に設けられた形態になっていること、および、前記折畳み基準線の両側に位置する２対の前記スリット対において、その各スリット対を構成する前記第１のスリットどうしが重なって連通し、その各スリット対を構成する前記第２のスリットどうしが重なって連通した状態になっていて、それぞれの連通部分を前記クリップ座の先端側が通り抜けた状態となっていること
    　を特徴とする請求項１または２に記載の自動車用内装トリム材に対する吸音材の取付け構造。     The sound absorbing material is formed by folding a band-shaped sound absorbing material, and slit pairs including the first and second slits are provided on both sides of the folding reference line so as to be symmetrical with respect to the folding reference line. And in the two pairs of slits located on both sides of the folding reference line, the first slits constituting the slit pairs are overlapped and communicated with each other. The said 2nd slit which comprises is in the state which overlapped and communicated, and has become the state which the front end side of the said clip seat passed through each communicating part, The Claim 1 or 2 characterized by the above-mentioned. Sound absorbing material mounting structure for automotive interior trim material.
PCT/JP2017/020388 2017-06-01 2017-06-01 Structure for attaching and securing acoustic absorbent material to internal trim material for automobile WO2018220779A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/020388 WO2018220779A1 (en) 2017-06-01 2017-06-01 Structure for attaching and securing acoustic absorbent material to internal trim material for automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/020388 WO2018220779A1 (en) 2017-06-01 2017-06-01 Structure for attaching and securing acoustic absorbent material to internal trim material for automobile

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WO2018220779A1 true WO2018220779A1 (en) 2018-12-06

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07179154A (en) * 1993-12-22 1995-07-18 Inoac Corp Structure for fixing plane-shaped cushion pad on rear surface of interior trim material of vehicle
JP2003291644A (en) * 2002-04-08 2003-10-15 Nishikawa Rubber Co Ltd Structure of door for automobile
JP2004090680A (en) * 2002-08-29 2004-03-25 Nishikawa Rubber Co Ltd Car door structure
JP2004323002A (en) * 2003-04-11 2004-11-18 Nishikawa Rubber Co Ltd Sound insulation sheet
JP2015120490A (en) * 2013-12-25 2015-07-02 河西工業株式会社 Interior material for vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07179154A (en) * 1993-12-22 1995-07-18 Inoac Corp Structure for fixing plane-shaped cushion pad on rear surface of interior trim material of vehicle
JP2003291644A (en) * 2002-04-08 2003-10-15 Nishikawa Rubber Co Ltd Structure of door for automobile
JP2004090680A (en) * 2002-08-29 2004-03-25 Nishikawa Rubber Co Ltd Car door structure
JP2004323002A (en) * 2003-04-11 2004-11-18 Nishikawa Rubber Co Ltd Sound insulation sheet
JP2015120490A (en) * 2013-12-25 2015-07-02 河西工業株式会社 Interior material for vehicle

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