JPH1142980A - Manufacture of automotive internal trimming material - Google Patents
Manufacture of automotive internal trimming materialInfo
- Publication number
- JPH1142980A JPH1142980A JP20051197A JP20051197A JPH1142980A JP H1142980 A JPH1142980 A JP H1142980A JP 20051197 A JP20051197 A JP 20051197A JP 20051197 A JP20051197 A JP 20051197A JP H1142980 A JPH1142980 A JP H1142980A
- Authority
- JP
- Japan
- Prior art keywords
- laminate
- layer
- base material
- folded
- interior material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、ヘッドライニン
グ、ドアトリム、ピラートリム、トランクルームトリム
等の自動車用内装材の製造方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for manufacturing an automobile interior material such as a head lining, a door trim, a pillar trim, and a trunk trim.
【０００２】[0002]
【従来の技術】例えば、自動車のヘッドライニングとし
ては、吸音用の基材層に、強度を高めるための補強層を
積層した構造のものが知られている（類似技術として、
特開平６−２３８７９１号公報参照）。基材層は合成樹
脂繊維に低融点繊維を混在させたもので、補強層は低融
点繊維のみから成っている。そして、まず、基材層に補
強層を重ね合わせた後に加熱し、互いが接着した積層体
を形成する。次に、積層体に熱が残っている間に該積層
体を成形する。このようにすることにより、基材層が所
定の製品目付量となったヘッドライニングが得られる。2. Description of the Related Art For example, as a head lining of an automobile, a structure in which a reinforcing layer for increasing the strength is laminated on a base layer for sound absorption is known.
See JP-A-6-238791). The base material layer is a mixture of synthetic resin fibers and low melting point fibers, and the reinforcing layer is composed of only low melting point fibers. Then, first, after the reinforcing layer is overlaid on the base material layer, heating is performed to form a laminated body in which the layers are adhered to each other. Next, the laminate is formed while heat remains in the laminate. By doing so, a head lining in which the base material layer has a predetermined product basis weight can be obtained.
【０００３】基材層と補強層の加熱は、炉の中で行われ
るが、基材層中に混在された低融点繊維が全て溶融する
ように、基材層に十分な熱を通す必要がある。従って、
製造工程において、炉の中に移された基材層及び補強層
は、熱が基材層の内部にまで十分に通るまで炉の中に置
かれて加熱される。[0003] The heating of the base layer and the reinforcing layer is performed in a furnace, but it is necessary to pass sufficient heat through the base layer so that all the low-melting fibers mixed in the base layer are melted. is there. Therefore,
In the manufacturing process, the substrate layer and the reinforcement layer transferred into the furnace are placed in the furnace and heated until heat passes sufficiently into the interior of the substrate layer.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、このよ
うな従来の技術にあっては、熱が基材層の内部に十分通
るまで、基材層及び補強層を炉の中で加熱する必要があ
るため、加熱時間が長くなり、製造効率の低下を招いて
いる。However, in such a conventional technique, it is necessary to heat the substrate layer and the reinforcing layer in a furnace until heat sufficiently passes through the inside of the substrate layer. Therefore, the heating time is prolonged, and the production efficiency is reduced.
【０００５】この発明は、このような従来の技術に着目
してなされたものであり、加熱時間を短くして、製造効
率の向上を図ることができる自動車用内装材の製造方法
を提供するものである。The present invention has been made by paying attention to such a conventional technique, and provides a method of manufacturing an interior material for an automobile which can shorten the heating time and improve the manufacturing efficiency. It is.
【０００６】[0006]
【課題を解決するための手段】請求項１記載の発明は、
合成樹脂繊維を主成分とした原反状態の基材層に、低融
点繊維からなる補強層を、重ね合わせて加熱することに
より互いに接着させた積層体を形成し、該積層体に熱が
残っている間に、該積層体を２つ折り以上の折り返しを
行って成形し、基材層が所定の製品目付量となった内装
材を得る自動車用内装材の製造方法であって、加熱前の
原反状態における基材層の目付量を、積層体の折り返し
数に対応して減少させたものである。According to the first aspect of the present invention,
A laminated layer is formed by laminating a reinforcing layer made of a low-melting-point fiber and bonding them to each other by heating, with a base layer in a raw fabric state mainly composed of synthetic resin fibers, and heat remains in the laminated body. The laminate is formed by folding the laminate into two or more folds to obtain an interior material in which the base material layer has a predetermined product weight per unit time. The basis weight of the base material layer in the raw fabric state was reduced in accordance with the number of turns of the laminate.
【０００７】請求項１記載の発明によれば、いったん加
熱して積層体にしたものを、２つ折り以上の折り返しを
行って成形するため、加熱時の原反状態における基材層
は、製品目付量よりも少ない目付量で済む。従って、熱
の通りが良く、加熱時間も短くて済み、製造効率の向上
を図ることができる。According to the first aspect of the present invention, the laminate once heated is formed by folding the laminate into two or more folds. The basis weight is smaller than the amount. Therefore, the heat flow is good, the heating time can be shortened, and the production efficiency can be improved.
【０００８】請求項２記載の発明は、積層体を基材層同
士が接着するように２つ折りしたものである。According to a second aspect of the present invention, the laminate is folded in two such that the base material layers adhere to each other.
【０００９】請求項２記載の発明によれば、基材層が補
強層の間に挟まれた状態になるため、内装材の保形性が
良い。According to the second aspect of the invention, since the base material layer is sandwiched between the reinforcing layers, the interior material has good shape retention.
【００１０】請求項３記載の発明は、積層体を補強層同
士が接着するように２つ折りしたものである。According to a third aspect of the present invention, the laminate is folded in two such that the reinforcing layers adhere to each other.
【００１１】請求項３記載の発明によれば、補強層同士
が接着されるため、接着強度が高く、内装材の製品とし
ての一体性が向上する。また、２枚重ねとなった補強層
により通気が確実に遮断されるため、基材層表面の通気
による汚れの発生を防止することができる。According to the third aspect of the present invention, since the reinforcing layers are bonded to each other, the bonding strength is high, and the integrity of the interior material as a product is improved. In addition, since the ventilation is reliably blocked by the two-layered reinforcing layer, it is possible to prevent the generation of dirt due to the ventilation on the surface of the base material layer.
【００１２】[0012]
【発明の実施の形態】以下、この発明の好適な実施形態
を図面に基づいて説明する。Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
【００１３】図１〜図３は、この発明の第１実施形態を
示す図である。この実施形態では、基材層が所定の製品
目付量（８００ｇ／ｍ2 ）であるヘッドライニングの製
造例を説明する。符号１は基材層で、ＰＥＴ繊維に低融
点繊維を混在させたものであり、原反状態における目付
量は、製品目付量の半分の４００ｇ／ｍ2 である。この
基材層１は、ヘッドライニング２に吸音機能を付与する
ために設けられているものである。符号３は補強層で、
低融点繊維のみから成り、目付量は１００ｇ／ｍ2 であ
る。この補強層３は、ヘッドライニング２に必要な強度
を付与するために、設けられているものである。FIG. 1 to FIG. 3 are views showing a first embodiment of the present invention. In this embodiment, an example of manufacturing a headlining in which the base material layer has a predetermined product weight (800 g / m 2 ) will be described. Reference numeral 1 denotes a base material layer in which low melting point fibers are mixed with PET fibers, and the basis weight in the raw fabric state is 400 g / m 2 which is half of the product basis weight. The base material layer 1 is provided to give the headlining 2 a sound absorbing function. Reference numeral 3 is a reinforcing layer.
It consists only of low melting point fibers and has a basis weight of 100 g / m 2 . The reinforcing layer 3 is provided to give a necessary strength to the head lining 2.
【００１４】この基材層１と補強層３とは、まず重ね合
わされる。そして、重ね合わせたものを、図示せぬ炉の
中に入れて加熱する。この場合、基材層１の目付量が製
品の半分のため、短時間で熱が基材層１の内部まで通
り、基材層１の内部の低融点繊維が確実に溶融する。加
熱することにより、基材層１と補強層３が互いに接着し
た積層体４が得られる（図１参照）。The base layer 1 and the reinforcing layer 3 are first superposed. Then, the superposed products are placed in a furnace (not shown) and heated. In this case, since the basis weight of the base material layer 1 is half that of the product, heat passes to the inside of the base material layer 1 in a short time, and the low melting point fiber inside the base material layer 1 is reliably melted. By heating, a laminate 4 in which the base material layer 1 and the reinforcing layer 3 are bonded to each other is obtained (see FIG. 1).
【００１５】その次に、この積層体４に熱が残っている
間に、該積層体４を２つ折りする。２つ折りは、積層体
４の基材層１同士が接着するように折り返す。折り返さ
れて重ね合わされた基材層１同士は内部の低融点繊維成
分により互いに接着して一体化する。Next, the laminate 4 is folded in two while heat remains in the laminate 4. The two-folding is performed so that the base layers 1 of the laminate 4 are bonded to each other. The folded and superposed base material layers 1 are adhered to each other by the internal low melting point fiber component to be integrated.
【００１６】そして、２つ折りされて一体化した積層体
４を、所定形状に裁断して成形することにより、基材層
１が所定の製品目付量（８００ｇ／ｍ2 ＝原反目付量×
２）となったヘッドライニング２が得られる。出来上が
った、ヘッドライニング２は、基材層１が補強層３の間
に挟まれた状態になるため、保形性が良い。The laminated body 4 folded and integrated is cut into a predetermined shape and molded, so that the base material layer 1 has a predetermined product weight (800 g / m 2 = raw fabric weight ×
2) is obtained. The completed head lining 2 is in a state in which the base material layer 1 is sandwiched between the reinforcing layers 3 and thus has good shape retention.
【００１７】また、この実施形態によれば、いったん加
熱して積層体４にしたものを、２つ折りして成形するた
め、加熱時の原反状態における基材層１は、製品目付量
の半分で済む。従って、熱の通りがよいので、炉におけ
る加熱時間が短くて済み、全体的な製造時間を短縮で
き、製造効率の向上を図ることができる。Further, according to this embodiment, since the material once heated to form the laminate 4 is folded and formed into two, the base material layer 1 in the raw fabric state at the time of heating is half the product weight of the product. Only needs to be done. Therefore, since the heat flow is good, the heating time in the furnace can be shortened, the overall production time can be shortened, and the production efficiency can be improved.
【００１８】図４及び図５は、この発明の第２実施形態
を示す図である。この第２実施形態では、加熱した積層
体４を、補強層３同士が接着するように２つ折りしたも
のである。このようにして得られたヘッドライニング５
は、補強層３同士が接着されるため、接着強度が高く、
製品としての一体性が向上する。また、２枚重ねとなっ
た補強層３により通気が遮断されるため、基材層１表面
の通気による汚れの発生を防止することができる。FIGS. 4 and 5 show a second embodiment of the present invention. In the second embodiment, the heated laminate 4 is folded in two so that the reinforcing layers 3 adhere to each other. The head lining 5 thus obtained
Since the reinforcing layers 3 are bonded to each other, the bonding strength is high,
The integration as a product is improved. In addition, since the ventilation is blocked by the two reinforcing layers 3, it is possible to prevent the occurrence of dirt due to the ventilation on the surface of the base material layer 1.
【００１９】尚、以上の各実施形態では、２つ折りにす
る例を示したが、３つ折り以上の折り返しを行っても良
い。In each of the above embodiments, the example of folding in two has been described, but folding in three or more may be performed.
【００２０】[0020]
【発明の効果】請求項１記載の発明によれば、いったん
加熱して積層体にしたものを、２つ折り以上の折り返し
を行って成形するため、加熱時の原反状態における基材
層は、製品目付量よりも少ない目付量で済む。従って、
熱の通りが良く、加熱時間も短くて済み、製造効率の向
上を図ることができる。According to the first aspect of the present invention, the laminated body obtained by heating once is formed by folding it back two or more times. The weight per unit area is smaller than the weight per unit area. Therefore,
The heat flow is good, the heating time is short, and the production efficiency can be improved.
【００２１】請求項２記載の発明によれば、基材層が補
強層の間に挟まれた状態になるため、内装材の保形性が
良い。According to the second aspect of the present invention, since the base material layer is sandwiched between the reinforcing layers, the interior material has good shape retention.
【００２２】請求項３記載の発明によれば、補強層同士
が接着されるため、接着強度が高く、内装材の製品とし
ての一体性が向上する。また、２枚重ねとなった補強層
により通気が確実に遮断されるため、基材層表面の通気
による汚れの発生を防止することができる。According to the third aspect of the present invention, since the reinforcing layers are bonded to each other, the bonding strength is high, and the integrity of the interior material as a product is improved. In addition, since the ventilation is reliably blocked by the two-layered reinforcing layer, it is possible to prevent the generation of dirt due to the ventilation on the surface of the base material layer.
【図１】この発明の第１実施形態に係る積層体を示す断
面図。FIG. 1 is a sectional view showing a laminated body according to a first embodiment of the present invention.
【図２】積層体の２つ折り状態を示す断面図。FIG. 2 is a cross-sectional view showing a folded state of the laminate.
【図３】図２の状態の積層体をヘッドライニングに成形
した状態を示す断面図。FIG. 3 is a sectional view showing a state in which the laminate in the state of FIG. 2 is formed into a headlining.
【図４】この発明の第２実施形態に係る積層体の２つ折
り状態を示す断面図。FIG. 4 is a cross-sectional view showing a folded state of a laminate according to a second embodiment of the present invention.
【図５】図４の状態の積層体をヘッドライニングに成形
した状態を示す断面図。FIG. 5 is a sectional view showing a state in which the laminate in the state of FIG. 4 is formed into a head lining.
１ 基材層 ２、５ ヘッドライニング ３ 補強層 ４ 積層体 DESCRIPTION OF SYMBOLS 1 Base material layer 2, 5 Head lining 3 Reinforcement layer 4 Laminate
Claims (3)
基材層に、低融点繊維からなる補強層を、重ね合わせて
加熱することにより互いに接着させた積層体を形成し、
該積層体に熱が残っている間に、該積層体を２つ折り以
上の折り返しを行って成形し、基材層が所定の製品目付
量となった内装材を得る自動車用内装材の製造方法であ
って、 加熱前の原反状態における基材層の目付量を、積層体の
折り返し数に対応して減少させたことを特徴とする自動
車用内装材の製造方法。1. A laminate in which a reinforcing layer made of a low-melting-point fiber is superimposed and heated on a base layer in a raw fabric state containing synthetic resin fibers as a main component and bonded to each other,
A method for producing an interior material for automobiles, in which the laminate is folded and folded twice or more while the laminate remains heated to obtain an interior material having a base layer having a predetermined product weight per unit area. A method for producing an interior material for an automobile, wherein the basis weight of the base material layer in a raw state before heating is reduced in accordance with the number of turns of the laminate.
法であって、 積層体を基材層同士が接着するように２つ折りしたこと
を特徴とする自動車用内装材の製造方法。2. The method for manufacturing an interior material for an automobile according to claim 1, wherein the laminate is folded in two so that the base layers are bonded to each other.
法であって、 積層体を補強層同士が接着するように２つ折りしたこと
を特徴とする自動車用内装材の製造方法。3. The method of manufacturing an interior material for an automobile according to claim 1, wherein the laminate is folded in two so that the reinforcing layers are bonded to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20051197A JPH1142980A (en) | 1997-07-25 | 1997-07-25 | Manufacture of automotive internal trimming material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20051197A JPH1142980A (en) | 1997-07-25 | 1997-07-25 | Manufacture of automotive internal trimming material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1142980A true JPH1142980A (en) | 1999-02-16 |
Family
ID=16425536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20051197A Pending JPH1142980A (en) | 1997-07-25 | 1997-07-25 | Manufacture of automotive internal trimming material |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1142980A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003523891A (en) * | 2000-02-26 | 2003-08-12 | フェデラル−モーガル コーポレイション | Vehicle interior lighting system using electroluminescent panels |
-
1997
- 1997-07-25 JP JP20051197A patent/JPH1142980A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003523891A (en) * | 2000-02-26 | 2003-08-12 | フェデラル−モーガル コーポレイション | Vehicle interior lighting system using electroluminescent panels |
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