JP3238436B2 - Lightweight material mounting method to urethane seat pad - Google Patents
Lightweight material mounting method to urethane seat padInfo
- Publication number
- JP3238436B2 JP3238436B2 JP24658691A JP24658691A JP3238436B2 JP 3238436 B2 JP3238436 B2 JP 3238436B2 JP 24658691 A JP24658691 A JP 24658691A JP 24658691 A JP24658691 A JP 24658691A JP 3238436 B2 JP3238436 B2 JP 3238436B2
- Authority
- JP
- Japan
- Prior art keywords
- seat pad
- urethane
- lightweight material
- pad
- lightweight
- 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 - Fee Related
Links
Landscapes
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、例えば自動車用シート
の構成部材として用いられるウレタンシートパッドへの
軽量材取付け方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automotive seat , for example.
The present invention relates to a method for attaching a lightweight material to a urethane seat pad used as a component member of (1).
【０００２】[0002]
【従来の技術】従来より、例えば図４に示すようにウレ
タンシートパッド（以下、単に「シートパッド」ともい
う）１０を軽量化するために、例えばビーズ発泡材等の
軽量材１１をこのシートパッド１０の左右側部の下面側
等の所定部位に、一体に発泡成形して取り付けていた。2. Description of the Related Art Conventionally, as shown in FIG. 4, in order to reduce the weight of a urethane seat pad (hereinafter, also simply referred to as a " seat pad") 10, a lightweight material such as a bead foam material is used. 11 is attached to a predetermined portion such as the lower surface of the left and right sides of the seat pad 10 by integrally foaming.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、シート
パッド１０の発泡成形時において、上記軽量材１１を同
時に一体成形する場合には、以下述べるような問題があ
った。すなわち、シートパッド１０をコールドキュアウ
レタンで発泡成形する場合には、このシートパッド１０
の発泡成形後にいわゆるクラッシング処理を施す必要が
あり、このクラッシング処理を上記軽量材１１のような
異物がすでに一体に形成されたシートパッド１０に対し
て行う場合には所定の物性を得ることが困難であった。However, when the lightweight material 11 is integrally molded at the same time during the foam molding of the seat pad 10, there are the following problems. That is, when foaming the seat pad 10 with cold cure urethane, the seat pad 10
It is necessary to perform a so-called crushing treatment after the foam molding of the sheet material. In the case where the crushing treatment is performed on the seat pad 10 on which foreign matter such as the lightweight material 11 is already formed integrally, it is necessary to obtain predetermined physical properties. Was difficult.
【０００４】ここで、このクラッシング処理は、ウレタ
ンシートパッドの発泡成形において、コールドキュアウ
レタン等の独立気泡の多いフォーム体を脱型後押しつぶ
すことにより、独立気泡を連通化させる処理であり、こ
れによりパッドの寸法あるいは物性の安定化と向上を図
ることができる。また、このクラッシング処理の方法と
して、例えば図５に示すように回転ローラ１２〜１２に
よるローラクラッシングが一般的に行われている。Here, the crushing treatment is a treatment for removing closed foams such as cold cure urethane in foam molding of a urethane sheet pad and then crushing them to make closed cells open. Thus, the dimensions or physical properties of the pad can be stabilized and improved. As a method of the crushing process, for example, roller crushing by rotating rollers 12 to 12 is generally performed as shown in FIG.
【０００５】このように、従来は、シートパッドの発泡
成形時においてすでに軽量材が一体に形成されているた
め、有効なクラッシング処理を行うことができないとい
う問題があった。[0005] As described above, conventionally, there has been a problem that an effective crushing process cannot be performed because the lightweight material has already been integrally formed during foam molding of the seat pad.
【０００６】本発明はこの問題を解決すべくなされたも
ので、有効なクラッシング効果を得ることのできるウレ
タンシートパッドへの軽量材取り付け方法を提供するこ
とを目的とする。The present invention has been made to solve this problem, and an object of the present invention is to provide a method for attaching a lightweight material to a urethane seat pad which can obtain an effective crushing effect.
【０００７】[0007]
【課題を解決するための手段】このため、本願発明は、
前記請求項１に記載した取り付け方法とした。 SUMMARY OF THE INVENTION Accordingly, the present invention provides
The mounting method according to claim 1 is adopted.
【０００８】[0008]
【作用】請求項１記載の取り付け方法によれば、クラッ
シング処理は軽量材が未だ取り付けられていない状態の
ウレタンシートパッドに対して行われるので、このウレ
タンシートパッドにクラッシング処理は効果的に行われ
る。しかも、軽量材は、ウレタンシートパッドに設けた
アリ溝形状の凹部に、該軽量材の全体または一部をこれ
らの弾性変形を利用して嵌め込むことによりウレタンシ
ートパッドに取り付けられるので、簡易な構成で軽量材
をウレタンシートパッドの所定位置に確実に固定するこ
とができる。 According to the mounting method of the first aspect , since the crushing process is performed on the urethane seat pad in a state where the lightweight material has not yet been mounted, the crushing process is effectively performed on the urethane seat pad. Done. Moreover, the lightweight material is provided on the urethane seat pad
Place all or part of the lightweight material in the dovetail-shaped recess.
Urethane by inserting using elastic deformation
Lightweight material with a simple configuration as it can be attached to the heat pad
Securely in place on the urethane seat pad.
Can be.
【０００９】[0009]
【実施例】次に、本発明の第１実施例を図１に基づいて
説明する。第１実施例におけるウレタンシートパッド１
は、例えばコールドキュアウレタンを発泡成形して形成
されており、その左右側部（サイドホルダ部）の下面側
には、後述する軽量材２を取り付けるための取り付け凹
部３が該ウレタンシートパッド１の前後方向に沿って形
成されている。この取り付け凹部３の底面（図示上面）
には、同じくウレタンシートパッド１の前後方向に沿っ
てアリ溝３ａが形成されている。このアリ溝３ａは、深
さ方向について開口部から底部に向けて断面積が大きく
なる断面逆三角形状に形成されている。なお、図ではシ
ートパッド１の右半分だけを示したが、左側にも上記形
状の取り付け凹部３およびアリ溝３ａがほぼ左右対称に
形成されている。第１実施例では、このアリ溝３ａが特
許請求の範囲に記載した凹部に相当する。 Next, a first embodiment of the present invention will be described with reference to FIG. Urethane seat pad 1 in the first embodiment
Is formed by foaming cold cure urethane, for example, and on the lower surface of the left and right sides (side holders), mounting recesses 3 for mounting a lightweight material 2 described later are formed on the urethane seat pad 1. It is formed along the front-back direction. The bottom surface of the mounting recess 3 (the upper surface in the figure)
A dovetail groove 3a is formed along the front and rear direction of the urethane seat pad 1 in the same manner. This dovetail groove 3a is deep
Cross section increases from opening to bottom
Made are formed in cross-section inverted triangle. Although only the right half of the seat pad 1 is shown in the figure, the mounting recess 3 and the dovetail groove 3a having the above-mentioned shape are formed substantially symmetrically on the left side. In the first embodiment, the dovetail groove 3a
It corresponds to the concave portion described in the claims.
【００１０】以上のような形状にシートパッド１が発泡
成形され、次にこのシートパッド１はクラッシング処理
される。このクラッシング処理については、従来通りで
あるので説明を省略する。[0010] The seat pad 1 is foamed into the above-described shape, and then the seat pad 1 is subjected to a crushing process. This crushing process is the same as the conventional one, and a description thereof will be omitted.
【００１１】こうして、シートパッド１にクラッシング
処理（図５参照）を行った後、図示するような軽量材２
が上記取り付け凹部３に取り付けられる。After the crushing process (see FIG. 5) is performed on the seat pad 1 in this manner, the lightweight material 2 shown in FIG.
Is mounted in the mounting recess 3.
【００１２】この軽量材２は、例えば発泡スチロール等
粒状の樹脂材料を発泡して所定形状に一体成形してなる
いわゆる「ビーズ発泡」により形成されたもので、シー
トパッド１を形成するウレタン材に比して十分に軽量な
材料で成形されている。The lightweight material 2 is formed by so-called “bead foaming” which is obtained by foaming a granular resin material such as styrene foam and integrally molding the resin material into a predetermined shape, and is smaller than the urethane material forming the seat pad 1. It is molded from a sufficiently lightweight material.
【００１３】そして、この軽量材２は、シートパッド１
に形成された取り付け凹部３に埋め込むようにして取り
付け可能な略角柱状に形成されており、その上面には上
記取り付け凹部３に形成されたアリ溝３ａに嵌め込まれ
るアリ２ａが形成されている。The lightweight material 2 is used as the seat pad 1
It is formed in an attachable substantially prismatic shape so as to be embedded in the mounting recess 3 formed in, ants 2a fitted into the dovetail groove 3a formed in the mounting recess 3 is formed on the upper surface thereof.
【００１４】このように軽量材２は形成され、取り付け
凹部３に沿って嵌め込むようにして挿入し、同時にシー
トパッド１の弾性変形を利用してアリ２ａをアリ溝３ａ
に嵌め込むことでこの軽量材２は取り付け凹部３に固定
され、シートパッド１の左右側部に取り付けられる。こ
のことから、第１実施例の場合、軽量材２に形成したア
リ２ａ（軽量材２の一部）がアリ溝３ａ（特許請求の範
囲に記載した凹部）に嵌め込まれて、該軽量材２がウレ
タンシートパッド１に取り付けられる。 [0014] Such light-weight material 2 is formed and inserted as fitted along the mounting recess 3, the dovetail groove 3a ants 2a by utilizing the elastic deformation of the seat pad 1 at the same time
The lightweight material 2 is fixed to the mounting recessed portion 3 by being fitted to the left and right sides of the seat pad 1. This
Therefore, in the case of the first embodiment, the aperture formed on the lightweight material 2
The rib 2a (a part of the lightweight material 2) has a dovetail groove 3a (claim)
The lightweight material 2 is
It is attached to the ton sheet pad 1.
【００１５】本例は以上説明したような軽量材の取り付
け方法としたことから、シートパッド１にクラッシング
処理を行う時点においては、未だ軽量材は取り付けられ
ておらず、このことから異物のない状態のシートパッド
に対してクラッシング処理を行うことができるので、効
果的なクラッシング処理をシートパッドに施すことがで
き、従来に比して寸法あるいは物性の安定および向上し
たシートパッドを得ることができる。In this embodiment, since the lightweight material is attached as described above, the lightweight material has not been attached yet at the time of performing the crushing process on the seat pad 1, and there is no foreign matter. Since the crushing process can be performed on the seat pad in the state, an effective crushing process can be performed on the seat pad, and a seat pad having more stable dimensions and physical properties and improved compared to the conventional one can be obtained. Can be.
【００１６】次に、図２に基づいて本発明の第２実施例
を説明する。本例のシートパッド５の左右側部の下面側
には、断面略三角形状の取り付け凹部６がシートパッド
５の前後方向に沿って形成されている。この取り付け凹
部６は、シートパッド５の発泡成形時に同時に形成され
る。この取り付け凹部６は、深さ方向について開口部か
ら底部に向けて断面積が大きくなるアリ溝形状を有して
いる。第２実施例では、この取り付け凹部６そのものが
特許請求の範囲に記載したアリ溝形状の凹部に相当す
る。 Next, a second embodiment of the present invention will be described with reference to FIG. At the lower surface of the left and right sides of the seat pad 5 of the present example, a mounting recess 6 having a substantially triangular cross section is formed along the front-back direction of the seat pad 5. The mounting recess 6 is formed simultaneously with the foam molding of the seat pad 5. This mounting recess 6 is an opening in the depth direction.
Has a dovetail shape with a larger cross-sectional area toward the bottom
I have. In the second embodiment, the mounting recess 6 itself is
It corresponds to the dovetail-shaped recess described in the claims.
You.
【００１７】次に、このシートパッド５にクラッシング
処理を施し、然る後、上記取り付け凹部６に軽量材７が
取り付けられる。Next, the seat pad 5 is subjected to a crushing process, and thereafter, a lightweight material 7 is mounted in the mounting recess 6.
【００１８】本例の軽量材７は、上記取り付け凹部６よ
りもひと廻り大きな断面形状を有しており、取り付け凹
部６に沿って打ち込むようにしてその全体を該取り付け
凹部６に挿入し、軽量材７およびシートパッド５の弾性
変形を利用してこの取り付け凹部６に固定するようにし
たものである。なお、本例の軽量材７も、第１実施例と
同様に例えば発泡スチロール等粒状の樹脂材料を発泡し
て上記形状に一体成型してなるいわゆる「ビーズ発泡」
により形成されたもので、シートパッド５を形成するウ
レタン材（コールドキュアウレタン）に比して十分に軽
量な材料で成形されている。[0018] The present example lightweight material 7 is inserted has a human around larger cross section than the mounting recess 6, in its entirety as implanted along the mounting recess 6 in the mounting recess 6, lightweight Elasticity of material 7 and seat pad 5
The mounting recess 6 is fixed by utilizing deformation . The light-weight material 7 of the present example is also a so-called “bead foam” formed by foaming a granular resin material such as styrene foam and integrally molding the same into the above-described shape, similarly to the first embodiment.
And is formed of a material sufficiently lighter than the urethane material (cold cure urethane) forming the seat pad 5.
【００１９】この軽量材取付け方法によっても、シート
パッド５は軽量材が取り付けられていない状態でクラッ
シング処理されることから、第１実施例の場合と同様に
効果的なクラッシング処理を行うことができる。According to this lightweight material mounting method, since the seat pad 5 is subjected to the crushing process in a state where the lightweight material is not mounted, it is necessary to perform the effective crushing process as in the first embodiment. Can be.
【００２０】以上例示したように、シートパッドにクラ
ッシング処理を施した後に、このシートパッドに軽量材
を取り付けることとすることにより、シートパッドには
異物を含まない状態で同処理が行われ、従ってこのクラ
ッシング処理がシートパッドに効果的に作用し、寸法、
物性の安定さらには向上したシートパッドを得ることが
できる。As exemplified above, after the seat pad is subjected to the crushing process, by attaching a lightweight material to the seat pad, the same process is performed without any foreign matter in the seat pad. Therefore, this crushing process works effectively on the seat pad,
It is possible to obtain a seat pad in which physical properties are stabilized and further improved.
【００２１】なお、例示した第１、第２実施例では、軽
量材２，７をウレタンシートパッド１，５の左右側部の
下面側に取り付ける場合を例示したが、軽量材の取り付
け部位については任意であり、シートクッションまたは
シートバック用のウレタンシートパッドの上面または下
面の中央部あるいは側面等に軽量材を取り付ける場合に
も同様に適用することができる。 In the illustrated first and second embodiments, light
Although the case where the mass materials 2 and 7 are attached to the lower surfaces of the left and right sides of the urethane seat pads 1 and 5 has been exemplified, the attachment portion of the lightweight material is arbitrary, and the seat cushion or
Top or bottom of urethane seat pad for seat back
When attaching a lightweight material to the center or side of the surface
Can be similarly applied.
【００２２】また、軽量材またはその一部を凹部へ嵌め
込んで固定するに際して、例えば接着剤を軽量材側また
は凹部側に塗布しておくことにより、該軽量材を一層強
固に取り付けることができる。 Also, the lightweight material or a part thereof is fitted into the recess.
When fixing by inserting, for example, adhesive on the lightweight material side or
Is applied to the concave side to further strengthen the lightweight material.
Can be firmly attached.
【００２３】[0023]
【発明の効果】本発明は上記構成としたことから、シー
トパッドに対して効果的なクラッシング処理を施すこと
ができ、寸法あるいは物性の安定、向上したシートパッ
ドをうることができる。As described above, according to the present invention, an effective crushing process can be performed on a seat pad, and a seat pad having stable and improved dimensions and physical properties can be obtained.
【図１】本発明の第１実施例を示す図であり、ウレタン
シートパッドの側部の縦断面図である。FIG. 1 is a view showing a first embodiment of the present invention , and is a longitudinal sectional view of a side portion of a urethane seat pad.
【図２】本発明の第２実施例を示す図であり、ウレタン
シートパッドの側部の縦断面図である。FIG. 2 is a view showing a second embodiment of the present invention , and is a longitudinal sectional view of a side portion of a urethane seat pad.
【図３】ウレタンシートパッドの全体斜視図である。FIG. 3 is an overall perspective view of a urethane sheet pad.
【図４】図３のＡ−Ａ線断面図であって、シートパッド
側部の縦断面図である。本図は、従来の取り付け方法に
よりウレタンシートパッドに軽量材を取り付けた状態を
示している。 FIG. 4 is a cross-sectional view taken along line AA of FIG. 3, which is a vertical cross-sectional view of a side portion of a seat pad. This drawing shows the conventional mounting method
More urethane seat pad with lightweight material attached
Is shown.
【図５】ウレタンシートパッドの縦断面図であって、該
ウレタンシートパッドに対して回転ローラを用いてクラ
ッシング処理を行う様子を示す図である。 FIG. 5 is a longitudinal sectional view of a urethane sheet pad,
Using a rotating roller on the urethane seat pad,
It is a figure showing signs that a shing process is performed.
１，５，１０…ウレタンシートパッド ２，７，１１…軽量材 ２ａ…アリ ３，６…取り付け凹部 ３ａ…アリ溝 1,5,10 ... Urethane seat pad 2,7,11 ... lightweight material 2a ... Ali 3,6 ... mounting recess 3a ... dovetail groove
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) B68G 5/02 A47C 7/00 Continuation of the front page (58) Field surveyed (Int.Cl. 7 , DB name) B68G 5/02 A47C 7/00
Claims (1)
該ウレタンシートパッドの所定位置に、深さ方向につい
て開口部から底部に向けて断面積が大きくなるアリ溝形
状の凹部を形成し、該ウレタンシートパッドを発泡成形
後クラッシング処理した後に、前記凹部に軽量材または
その一部を、該軽量材および／または前記ウレタンシー
トパッドの弾性変形を利用して嵌め込んで取り付けるこ
とを特徴とするウレタンシートパッドへの軽量材取り付
け方法。(1) When foaming a urethane sheet pad ,
A predetermined position of the urethane seat pad, with the depth direction
Dovetail groove with a larger cross-sectional area from the opening to the bottom
Form a concave part and foam mold the urethane sheet pad
After the post -crushing treatment, a light material or
Part of the material is the light-weight material and / or the urethane
A method of attaching a lightweight material to a urethane seat pad, wherein the lightweight material is attached by utilizing elastic deformation of the pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24658691A JP3238436B2 (en) | 1991-08-30 | 1991-08-30 | Lightweight material mounting method to urethane seat pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24658691A JP3238436B2 (en) | 1991-08-30 | 1991-08-30 | Lightweight material mounting method to urethane seat pad |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0557069A JPH0557069A (en) | 1993-03-09 |
| JP3238436B2 true JP3238436B2 (en) | 2001-12-17 |
Family
ID=17150623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24658691A Expired - Fee Related JP3238436B2 (en) | 1991-08-30 | 1991-08-30 | Lightweight material mounting method to urethane seat pad |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3238436B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5568242B2 (en) * | 2009-02-19 | 2014-08-06 | 株式会社ブリヂストン | Seat pad |
| JP5452948B2 (en) * | 2009-02-20 | 2014-03-26 | 株式会社ブリヂストン | Seat pad |
-
1991
- 1991-08-30 JP JP24658691A patent/JP3238436B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0557069A (en) | 1993-03-09 |
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