JPH0352203Y2 - - Google Patents
Info
- Publication number
- JPH0352203Y2 JPH0352203Y2 JP1986047367U JP4736786U JPH0352203Y2 JP H0352203 Y2 JPH0352203 Y2 JP H0352203Y2 JP 1986047367 U JP1986047367 U JP 1986047367U JP 4736786 U JP4736786 U JP 4736786U JP H0352203 Y2 JPH0352203 Y2 JP H0352203Y2
- Authority
- JP
- Japan
- Prior art keywords
- core material
- skin material
- skin
- fabric layer
- nonwoven fabric
- 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.)
- Expired
Links
Landscapes
- Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
- Laminated Bodies (AREA)
Description
【考案の詳細な説明】
〈考案の分野〉
この考案は、真空成形あるいはプレス成形によ
り表皮材を芯材表面に一体的に貼着した自動車用
内装部品に係り、特に表皮材と芯材間のエア溜ま
りの発生を確実に防止し、かつ表面にソフト感を
持たせた自動車用内装部品に関する。[Detailed description of the invention] <Field of the invention> This invention relates to automobile interior parts in which a skin material is integrally attached to the surface of a core material by vacuum forming or press forming. This invention relates to an automobile interior part that reliably prevents the formation of air pockets and has a soft feel on its surface.
〈従来技術とその問題点〉
例えば、ドアトリム、ボデイサイド等の自動車
用内装部品は、通常、芯材、クツシヨン材、表皮
材の積層構造体からなつており、これら内装部品
を製造するに当たつては、表皮材がクロス材等通
気性を備えた材質ならば、熱可塑性樹脂板、複合
樹脂板を加熱軟化させコールドプレス成形により
所望形状に成形する際、これら芯材の成形と上記
通気性表皮材とを一体的に貼着することが可能で
あるが、例えば表皮材としてPVC樹脂シート等、
非通気性の材質を用いる場合には、コールドプレ
ス成形により一体成形を行なえば、表皮材と芯材
との間にエア溜りが発生するとともに、表皮材表
面にシワが発生し、表面外観ならびに表面感触と
も極めて悪い製品となる。<Prior art and its problems> For example, automobile interior parts such as door trims and body sides are usually made of a laminated structure of a core material, cushion material, and skin material. If the skin material is made of a material with breathability, such as a cloth material, when the thermoplastic resin plate or composite resin plate is heated and softened and molded into the desired shape by cold press molding, the molding of these core materials and the above-mentioned breathability are necessary. Although it is possible to attach the skin material integrally with the skin material, for example, a PVC resin sheet etc. can be used as the skin material.
When using non-breathable materials, if integral molding is performed by cold press molding, air pockets will occur between the skin material and the core material, and wrinkles will occur on the surface of the skin material, resulting in poor surface appearance and The resulting product has an extremely poor feel.
従つて通常、非通気性の表皮材を用いる場合に
は、芯材のみをコールドプレス成形により形成
し、さらにこの芯材にバキユーム孔を適宜位置に
穿孔した後、これら芯材に表皮材を積層し、真空
成形により表皮材と芯材間のエアをバキユーム孔
を通じて抜気し、芯材表面に表皮材を一体的に貼
着するようにしている。 Therefore, when non-breathable skin materials are used, only the core material is formed by cold press molding, and vacuum holes are drilled in the core materials at appropriate positions, and then the skin materials are laminated on these core materials. Then, by vacuum forming, the air between the skin material and the core material is removed through vacuum holes, and the skin material is integrally attached to the surface of the core material.
このように芯材をプレス成形した後、表皮材貼
着に真空成形を用いるため、製造工程を多く必要
とし、金型設備も大掛かりになるなど大幅なコス
トアツプを招来する欠点があつた。 After the core material is press-molded in this way, vacuum forming is used to attach the skin material, which has the disadvantage of requiring many manufacturing steps and requiring large-scale mold equipment, resulting in a significant increase in costs.
さらに芯材の形状によつてはバキユーム孔を多
数穿孔する必要があり、そのため、芯材の剛性が
低下し、耐衝撃性も弱まり、製品機能が低下する
という問題点も指摘されていた。 Furthermore, depending on the shape of the core material, it may be necessary to drill a large number of vacuum holes, which leads to problems such as lowering the rigidity of the core material, weakening its impact resistance, and reducing product functionality.
〈考案の目的〉
この考案は、上述の事情に鑑みてなされたもの
で、その目的とするところは、PVC樹脂シート
等非通気性の表皮材を、真空成形、コールドプレ
ス成形を用いて芯材表面に一体的に貼着した際、
芯材と表皮材との間のエア溜まりを防止し、かつ
表面感触も良好なものにした自動車用内装部品を
提供することにある。<Purpose of the invention> This invention was made in view of the above-mentioned circumstances, and its purpose is to form a core material using vacuum forming or cold press forming from a non-breathable skin material such as a PVC resin sheet. When attached integrally to the surface,
To provide an interior part for an automobile which prevents air accumulation between a core material and a skin material and has a good surface feel.
〈考案の構成と効果〉
上記目的を達成するために本考案は車体パネル
に適合すべく所要形状に成形された芯材と、該芯
材の表面に真空成形あるいはコールドプレス成形
により一体的に貼着される表皮材とからなる自動
車用内装部品において、
前記表皮材は、10％モジユラス0.1〜1.0Kg／cm
の伸縮性を持つ非通気性の熱可塑性樹脂シート
と、該シート裏面に裏打ちされた、目付量100〜
200g／m2の不織布層とから構成されることを特
徴とする。<Structure and Effects of the Invention> In order to achieve the above object, the present invention includes a core material formed into a desired shape to fit the vehicle body panel, and a core material that is integrally attached to the surface of the core material by vacuum forming or cold press forming. In an automobile interior part consisting of a skin material to be attached, the skin material has a 10% modulus of 0.1 to 1.0 Kg/cm.
A non-breathable thermoplastic resin sheet with elasticity and a fabric weight of 100~
It is characterized by being composed of a nonwoven fabric layer of 200g/m 2 .
すなわち前記構成によれば、芯材表面に貼着さ
れる表皮材は、伸縮性の優れた熱可塑性樹脂製シ
ート（10％モジユラスが0.1〜1.0Kg／cm）の裏面
にこれも伸縮性の優れた不織布層をラミネートし
たものであるから、芯材の形状が複雑な形状であ
つても、真空成形ならびにコールドプレス成形に
より表皮材を芯材に貼着成形する際、表皮材を芯
材表面形状に沿つて忠実に密着させ、かつ表皮材
と芯材との間に介在するエアをこの不織布層によ
つて吸収し、かつその一部のエアを不織布層を通
じて型外に排除するというものであるから製品の
エア溜まりを確実に防止することができ、製品の
表面外観を美麗に保つことができる。 That is, according to the above structure, the skin material attached to the surface of the core material is a thermoplastic resin sheet with excellent elasticity (10% modulus of 0.1 to 1.0 Kg/cm), which also has excellent elasticity. Because it is a laminate of nonwoven fabric layers, even if the core material has a complex shape, when the skin material is attached to the core material by vacuum forming or cold press molding, the skin material can be attached to the core material surface shape. The nonwoven fabric layer allows the skin material and the core material to adhere closely together, absorbs the air present between the skin material and the core material, and eliminates some of the air outside the mold through the nonwoven fabric layer. It is possible to reliably prevent air from accumulating in the product and maintain a beautiful surface appearance of the product.
さらに、従来から織布等の通気性表皮材を芯材
のコールドプレス成形と同時に芯材の表面に貼着
することは行なわれていたが、PVC樹脂シート
等の非通気性表皮材は芯材のプレス成形と同時に
表面に貼着することは、両者間にエア溜まりが発
生したり、また芯材の接着性の問題からこれらの
一体成形は行なわれていなかつたが、本願のよう
に非通気性ノ熱可塑性樹脂シートの裏面に所定目
付量の不織布層をラミネートすれば、この不織布
層により非通気性の熱可塑性樹脂シートと芯材と
の間に介在するエアは吸収され、吸収されたエア
の一部は周縁から型外に除去されるので、表皮材
と芯材とのプレス成形による上記エア溜まりの発
生を防止し一体貼着を可能にするとともに、この
不織布層のクツシヨン効果により表面感触の良好
な製品が提供できる。 Furthermore, while it has been conventional practice to attach a breathable skin material such as woven fabric to the surface of the core material at the same time as the cold press molding of the core material, non-breathable skin materials such as PVC resin sheets are attached to the core material. Press molding and adhering to the surface at the same time would create air pockets between the two, and problems with the adhesion of the core material have prevented these from being integrally molded. If a non-woven fabric layer with a predetermined basis weight is laminated on the back side of a non-breathable thermoplastic resin sheet, the air interposed between the non-breathable thermoplastic resin sheet and the core material will be absorbed by this non-woven fabric layer, and the absorbed air will be absorbed by the non-woven fabric layer. A portion of the non-woven fabric is removed from the periphery of the mold to prevent the formation of air pockets due to press molding between the skin material and the core material, making it possible to bond them together. We can provide quality products.
〈実施例の説明〉
以下、本考案に係る自動車用内装部品の実施例
について添付図面を参照しながら詳細に説明す
る。<Description of Examples> Hereinafter, examples of the automobile interior parts according to the present invention will be described in detail with reference to the accompanying drawings.
第１図は本考案を適用した自動車用ドアトリム
を示す一部切欠き斜視図、第２図はドアトリムに
おける表皮材のプレス貼着工程を示す縦断面図、
第３図ならびに第４図は同ドアトリムにおける表
皮材の真空貼着工程を示す縦断面図である。 FIG. 1 is a partially cutaway perspective view showing an automobile door trim to which the present invention is applied; FIG. 2 is a longitudinal cross-sectional view showing the process of press pasting the skin material on the door trim;
FIG. 3 and FIG. 4 are longitudinal sectional views showing the vacuum adhesion process of the skin material on the same door trim.
第１図中、符号１は自動車用ドアトリムを示
し、このドアトリム１は芯材２と表皮材３とから
構成されている。 In FIG. 1, reference numeral 1 indicates an automobile door trim, and this door trim 1 is composed of a core material 2 and a skin material 3.
さらに詳しくは上記芯材２はポリプロピレン樹
脂とボード屑とを適宜配合比で混合撹拌した後、
押出し成形機によりシート状に押出し、該シート
を加熱軟化させた後、プレス成形により所望形状
（ドアインナーパネル形状にほぼ合致した形状）
に成形され、かつ外周がトリムカツトされてい
る。 More specifically, the core material 2 is made by mixing and stirring polypropylene resin and board scraps at an appropriate mixing ratio.
Extrude it into a sheet using an extrusion molding machine, heat and soften the sheet, and then press mold it into the desired shape (shape that almost matches the shape of the door inner panel).
The outer periphery is trimmed.
一方、これら芯材２表面に貼着されている表皮
材３は、PVC樹脂等の非通気性の熱可塑性樹脂
シート４と、熱可塑性樹脂シート４の裏面にラミ
ネートされた不織布層５とから構成されており、
さらに上記不織布層５の目付量は100〜200g／m2
に設定され、かつ熱可塑性樹脂シート４にはその
縦横方向に一定ピツチ間隔で針穴６が形成されて
いる。 On the other hand, the skin material 3 attached to the surface of these core materials 2 is composed of a non-breathable thermoplastic resin sheet 4 such as PVC resin, and a nonwoven fabric layer 5 laminated on the back surface of the thermoplastic resin sheet 4. has been
Furthermore, the basis weight of the nonwoven fabric layer 5 is 100 to 200 g/m 2
, and needle holes 6 are formed in the thermoplastic resin sheet 4 at regular pitch intervals in the longitudinal and lateral directions.
なお上記不織布層５の目付量を100g／m2〜
200g／m2に設定した理由は、不織布層５の目付
量が100g／m2以下であると、表皮材３と芯材２
との間のエアを吸収する効果が少なく、エア溜ま
りが発生すると同時に、不織布層５の各繊維が芯
材２内に食込むいわゆるアンカー効果による両者
の強固な接合も期待できないことになる。 Note that the basis weight of the nonwoven fabric layer 5 is 100 g/m 2 ~
The reason for setting it to 200g/ m2 is that if the basis weight of the nonwoven fabric layer 5 is 100g/ m2 or less, the surface material 3 and the core material 2
The effect of absorbing air between the nonwoven fabric layer 5 and the nonwoven fabric layer 5 is small, causing air pockets, and at the same time, it is not possible to expect a strong bond between the two due to the so-called anchor effect in which each fiber of the nonwoven fabric layer 5 digs into the core material 2.
また上記目付量を200g／m2以上の場合である
と、芯材２の表面形状に表皮材３が馴染まず、製
品表面に明瞭な形状出しができず、意匠性の低下
を招く。 Further, if the above-mentioned basis weight is 200 g/m 2 or more, the skin material 3 will not fit into the surface shape of the core material 2, making it impossible to form a clear shape on the surface of the product, resulting in a decrease in design.
次に上記ドアトリム１をコールドプレス成形を
用いて製作した場合の実施例を第２図を用いて説
明する。 Next, an example in which the door trim 1 is manufactured using cold press molding will be described with reference to FIG. 2.
まず半溶融状態にまで図示しない加熱手段によ
り加熱軟化させた芯材２を型面７ａを備えたプレ
ス下型７上に載置し、かつその上側から表皮材３
を不織布層５を芯材２側に対向して績層し、プレ
ス下型７に対して接離自在に昇降するプレス上型
８が図示しない駆動手段により下降し、コールド
プレス上下型７，８により上記芯材２、表皮材３
をプレス型７，８の型面７ａ，８ａのクリアラン
スに沿つて絞り成形する。 First, the core material 2 which has been heated and softened to a semi-molten state by heating means (not shown) is placed on a press lower mold 7 having a mold surface 7a, and the skin material 3 is placed from above the core material 2.
The nonwoven fabric layer 5 is layered facing the core material 2 side, and the press upper mold 8, which can move up and down toward and away from the press lower mold 7, is lowered by a drive means (not shown), and the cold press upper and lower molds 7, 8 are lowered by a driving means (not shown). The above core material 2, skin material 3
is drawn along the clearance between the mold surfaces 7a and 8a of the press molds 7 and 8.
このとき芯材２と表皮材３とに介在するエア
は、不織布層５に吸収され、その中の一部は周縁
から型外に除去され結果的に表皮材３と芯材２と
の間にエア溜まりの発生を確実に防止できる。さ
らに樹脂製シート４は優れた伸縮性（10％モジユ
ラス0.1〜1.0Kg／cm）を備えており、かつ不織布
層５自体も伸縮性を持つているため、コールドプ
レス型の型面７ａ，８ａが複雑な曲面形状をして
いても、表皮材３は伸長してこれら形状に容易に
追従することができ、表皮材３表面に皺が発生す
ることなくドアトリム１の美観を何等損うことは
ない。 At this time, the air present between the core material 2 and the skin material 3 is absorbed by the nonwoven fabric layer 5, and a part of it is removed from the periphery of the mold, resulting in a gap between the skin material 3 and the core material 2. Air accumulation can be reliably prevented from occurring. Furthermore, the resin sheet 4 has excellent elasticity (10% modulus of 0.1 to 1.0Kg/cm), and the nonwoven fabric layer 5 itself also has elasticity, so that the mold surfaces 7a and 8a of the cold press mold are Even if the surface material 3 has a complicated curved shape, the skin material 3 can easily stretch and follow these shapes, and the appearance of the door trim 1 will not be impaired in any way without wrinkles occurring on the surface of the skin material 3. .
上記不織布層５はエア溜まりの発生を防ぐとと
もに、適度の厚みを持つているため、クツシヨン
効果を持ち、製品にソフトな感触を与えるととも
に、この不織布層５の各繊維が軟化状態の芯材２
内に入り込みいわゆるアンカー効果により、表皮
材３と芯材２とは強固に接合される。 The nonwoven fabric layer 5 prevents the formation of air pockets and has a suitable thickness, so it has a cushioning effect and gives the product a soft feel.
The skin material 3 and the core material 2 are firmly joined by the so-called anchor effect.
次に真空形成により表皮材３を芯材２に貼着し
てドアトリム１を製作する実施例について第３図
ならびに第４図を用いて説明する。 Next, an embodiment in which the door trim 1 is manufactured by adhering the skin material 3 to the core material 2 by vacuum forming will be described with reference to FIGS. 3 and 4.
まず第３図に示す真空成形装置９の下型１０上
に予め成形された芯材２を載置するとともに、上
記表皮材３を加熱軟化させその周縁３ａをクラン
プ装置１１により保持する。 First, a preformed core material 2 is placed on a lower mold 10 of a vacuum forming apparatus 9 shown in FIG.
そして、下側テーブル１２が上昇し、芯材２周
縁が表皮材３に当接する位置まで上昇したとき、
真空ポンプ１３の作動により芯材２と表皮材３と
の間のエアが抜気され、芯材２の表面形状に沿つ
て表皮材３が一体的に貼着成形される（第４図参
照）。 Then, when the lower table 12 rises to a position where the peripheral edge of the core material 2 contacts the skin material 3,
The air between the core material 2 and the skin material 3 is removed by the operation of the vacuum pump 13, and the skin material 3 is integrally bonded and molded along the surface shape of the core material 2 (see Fig. 4). .
上記真空成形時、芯材２と表皮材３との間に介
在するエアは、芯材２の適宜箇所に穿孔されたバ
キユーム孔２ａ、下型１０のバキユーム孔１０ａ
を通じて抜気されるとともに、本考案においては
これらバキユーム孔２ａ，１０ａを通じて抜気さ
れにくい箇所に滞つたエアが不織布層５に吸収さ
れるとともに、その中の一部は周縁から製品外部
すなわち型外に排気されることになる。 At the time of vacuum forming, the air interposed between the core material 2 and the skin material 3 is released through the vacuum holes 2a drilled at appropriate locations in the core material 2 and the vacuum holes 10a in the lower die 10.
At the same time, in the present invention, air stagnant in areas that are difficult to vent through these vacuum holes 2a and 10a is absorbed into the nonwoven fabric layer 5, and a part of it flows from the periphery to the outside of the product, that is, outside the mold. It will be exhausted.
よつて、バキユーム孔１０ａの設定箇所も少な
くて済み、バキユーム孔１０ａによる剛性の低下
を最小限にすることができる。 Therefore, the number of locations where the vacuum holes 10a are set can be reduced, and the decrease in rigidity due to the vacuum holes 10a can be minimized.
なお真空成形による本実施例においては、熱可
塑性樹脂シート４に針穴加工が施されておらず、
所望ならば熱可塑性樹脂シート４に適宜間隔で針
穴を穿設すれば、エア溜まり対策にさらに有効と
なる。 Note that in this example of vacuum forming, the thermoplastic resin sheet 4 is not machined with needle holes;
If desired, needle holes may be formed in the thermoplastic resin sheet 4 at appropriate intervals, making it even more effective as a countermeasure against air accumulation.
以上のように本願考案はプレス成形あるいは真
空成形を用いて芯材表面に沿つて表皮材を一体的
に貼着してなる自動車用内装部品であつて、エア
溜まりを防止し、かつ製品の表面感触を良好なも
のとし、加えて従来不可能であつた非通気性シー
トの芯材表面へのプレス貼着を初めて可能とした
ものであり、上記実施例で説明した自動車用ドア
トリムの他にボデイサイド、等積層構造体で構成
される内装部品であれば容易に適用することがで
き、適用対象も広くかつ実用的価値も大きいもの
である。 As described above, the present invention is an automobile interior part in which a skin material is integrally attached along the surface of a core material using press molding or vacuum forming, which prevents air accumulation and prevents the surface of the product from forming. This product not only provides a good feel, but also makes it possible for the first time to press a non-breathable sheet onto the surface of the core material, which was previously impossible. The present invention can be easily applied to interior parts composed of side and other laminated structures, has a wide range of applications, and has great practical value.
第１図は本考案を適用した自動車用ドアトリム
を示す一部切欠き斜視図、第２図は同ドアトリム
における表皮材のプレス貼着工程を示す縦断面
図、第３図、第４図は同ドアトリムにおける表皮
材の真空貼着工程を示すそれぞれ縦断面図であ
る。
１……自動車用ドアトリム、２……芯材、３…
…表皮材、４……熱可塑性樹脂シート、５……不
織布層、６……針穴、７……コールドプレス下
型、８……コールドプレス上型、９……真空成形
装置、１０……下型、１１……クランプ装置、１
２……下側テーブル、１３……真空ポンプ。
Fig. 1 is a partially cutaway perspective view showing an automobile door trim to which the present invention is applied, Fig. 2 is a longitudinal cross-sectional view showing the press attachment process of the skin material in the same door trim, and Figs. 3 and 4 are the same. FIG. 3 is a vertical cross-sectional view showing a vacuum adhesion process of the skin material on the door trim. 1... Automobile door trim, 2... Core material, 3...
... Skin material, 4 ... Thermoplastic resin sheet, 5 ... Nonwoven fabric layer, 6 ... Needle hole, 7 ... Cold press lower mold, 8 ... Cold press upper mold, 9 ... Vacuum forming device, 10 ... Lower mold, 11... Clamp device, 1
2...Lower table, 13...Vacuum pump.
Claims (1)
芯材と、該芯材の表面に真空成形あるいはコール
ドプレス成形により一体的に貼着される表皮材と
からなる自動車用内装部品において、 前記表皮材は、10％モジユラス0.1〜1.0Kg／cm
の伸縮性を持つ非通気性の熱可塑性樹脂シート
と、該シート裏面に裏打ちされた、目付量100〜
200g／m2の不織布層とから構成されることを特
徴とする自動車用内装部品。[Scope of claim for utility model registration] An automobile consisting of a core material molded into a desired shape to fit the vehicle body panel, and a skin material integrally attached to the surface of the core material by vacuum forming or cold press forming. In interior parts for cars, the skin material has a 10% modulus of 0.1 to 1.0 Kg/cm.
A non-breathable thermoplastic resin sheet with elasticity and a fabric weight of 100~
An automobile interior part comprising a nonwoven fabric layer of 200 g/m 2 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986047367U JPH0352203Y2 (en) | 1986-03-31 | 1986-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986047367U JPH0352203Y2 (en) | 1986-03-31 | 1986-03-31 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62157652U JPS62157652U (en) | 1987-10-06 |
| JPH0352203Y2 true JPH0352203Y2 (en) | 1991-11-12 |
Family
ID=30867907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986047367U Expired JPH0352203Y2 (en) | 1986-03-31 | 1986-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352203Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011013308A (en) * | 2009-06-30 | 2011-01-20 | Toshiba Corp | Electronic apparatus |
| JP4768885B2 (en) * | 2011-01-14 | 2011-09-07 | 株式会社東芝 | Electronics |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60222214A (en) * | 1984-04-19 | 1985-11-06 | Nippon Sekisoo Kogyo Kk | Preparation of trim panel for vehicle |
-
1986
- 1986-03-31 JP JP1986047367U patent/JPH0352203Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62157652U (en) | 1987-10-06 |
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