JPH11313728A - Manufacture of head rest - Google Patents
Manufacture of head restInfo
- Publication number
- JPH11313728A JPH11313728A JP10137709A JP13770998A JPH11313728A JP H11313728 A JPH11313728 A JP H11313728A JP 10137709 A JP10137709 A JP 10137709A JP 13770998 A JP13770998 A JP 13770998A JP H11313728 A JPH11313728 A JP H11313728A
- Authority
- JP
- Japan
- Prior art keywords
- dispersion
- injection nozzle
- foaming liquid
- skin
- cover
- 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.)
- Granted
Links
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、袋状に縫製した表
皮内に、パッド成形用の発泡液を表皮内に差し込んだ注
入ノズルで注入することにより、パッドを表皮と一体に
発泡成形して製造するヘッドレストの製造方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of foaming a pad integrally with the epidermis by injecting a foaming liquid for pad formation into an epidermis sewn into a bag shape by an injection nozzle inserted into the epidermis. The present invention relates to a method for manufacturing a headrest to be manufactured.
【０００２】[0002]
【従来の技術】従来のこの種のヘッドレストは、袋状に
縫製した表皮内に、直接パッド成形用の発泡液を注入し
てパッドを発泡成形すると、表皮を構成するウレタンフ
ォームのスラブ材からなるワディングにおける発泡液が
直接当たる部分に、発泡液が含浸して硬化し、この硬化
部分によってヘッドレストの一部分の表面感触が悪くな
る不具合があった。2. Description of the Related Art A conventional headrest of this type is made of a urethane foam slab material constituting a skin when a foam is formed by directly injecting a foaming liquid for pad formation into a skin sewn in a bag shape. There is a problem that the foaming liquid impregnates and hardens the portion of the wading which is directly hit by the foaming liquid, and the cured portion deteriorates the surface feel of a part of the headrest.
【０００３】そこで、斯様な不具合を除去するものとし
て、例えば、特開平８ー１６４０３４号公報に開示され
ているように、袋状に縫製した表皮内に分散プレートを
縫着し、この分散プレートによって注入ノズルから吐出
される発泡液を一旦受け止めて下方に広範囲に流下させ
ることにより、前記発泡液が部分的に硬化しないように
している。[0003] In order to eliminate such a problem, for example, as disclosed in Japanese Patent Application Laid-Open No. Hei 8-164034, a dispersion plate is sewn into a bag-like sewn skin, and the dispersion plate is sewn. By temporarily receiving the foaming liquid discharged from the injection nozzle and flowing it downward over a wide range, the foaming liquid is prevented from being partially cured.
【０００４】[0004]
【発明が解決しようとする課題】以上の表皮に分散プレ
ートを縫着したものは、あらかじめ表皮に分散プレート
を縫着しなければならないし、また、注入ノズルを分散
プレート内に差し込む際、分散プレートは発泡液が分散
できるように筒状に形成され、注入ノズルの差込孔が外
部から視覚できないため、注入ノズルの分散プレート内
への差し込みの作業性が悪い不具合がある。With the above-described sewn dispersion plate on the skin, the dispersion plate must be sewn on the skin in advance, and when the injection nozzle is inserted into the dispersion plate, the dispersion plate is sewn. Is formed in a tubular shape so that the foaming liquid can be dispersed, and the insertion hole of the injection nozzle cannot be visually recognized from the outside, so that the workability of inserting the injection nozzle into the dispersion plate is poor.
【０００５】そこで、本発明は斯様な不具合を除去する
ことを目的とする。Therefore, an object of the present invention is to eliminate such a problem.
【０００６】[0006]
【課題を解決するための手段】以上の目的を達成するた
めの本発明は、袋状に縫製した表皮内に差し込んだ注入
ノズルの先端部に、表皮内への発泡液の分散用分散体を
取付けた後、この分散体を通して表皮内に注入ノズルか
ら発泡液を注入することを特徴とするものである。SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a dispersion for dispersing a foaming liquid into an epidermis at the tip of an injection nozzle inserted into a sewn skin. After installation, the foaming liquid is injected from the injection nozzle into the skin through the dispersion.
【０００７】従って、分散体は表皮と別体で、表皮内に
差し込んだ注入ノズルに簡単に取付けることができる。Accordingly, the dispersion is separate from the skin and can be easily attached to the injection nozzle inserted in the skin.
【０００８】以上の注入ノズルの先端部には、前記分散
体を掛止する掛止突起を設けることにより、分散体が発
泡液の注入中に注入ノズルから脱落することがない。[0008] By providing a projection at the tip of the injection nozzle for locking the dispersion, the dispersion does not fall out of the injection nozzle during injection of the foaming liquid.
【０００９】[0009]
【発明の実施の形態】本発明の実施の一形態を図面に基
づいて説明する。図１は本発明方法によってパッド発泡
成形用の発泡液を注入ノズル（１）より袋状に縫製した
表皮（Ｃ）内に注入する前の状態を示す。表皮（Ｃ）を
構成する底布（４）（５）間に開口部（Ａ）を有し、こ
の開口部（Ａ）よりＵ字状に折曲されたステー（Ｓ）を
装着して底布（４）に開孔した通孔よりステー（Ｓ）の
脚部を外部に突出している。An embodiment of the present invention will be described with reference to the drawings. FIG. 1 shows a state before a foaming liquid for pad foam molding is injected into a bag-like sewn skin (C) from an injection nozzle (1) by the method of the present invention. An opening (A) is provided between the bottom cloths (4) and (5) constituting the skin (C), and a stay (S) bent in a U-shape is attached from the opening (A) to the bottom. The leg of the stay (S) protrudes outside from the through hole formed in the cloth (4).
【００１０】表皮（Ｃ）は織物地、起毛布などの表皮材
と、この表皮材の裏面に一体に止着したウレタンフォー
ムのスラブ材からなるワディングとからなる積層体から
構成されている。The skin (C) is composed of a laminate composed of a skin material such as a woven fabric and a raised cloth, and a wading made of a urethane foam slab material integrally fixed to the back surface of the skin material.
【００１１】開口部（Ａ）の左右両端縁には、内部方向
に向けて舌片Ａ（４０）、舌片Ｂ（５０）が延設され、
舌片Ａ（４０）は舌片Ｂ（５０）に対して内部方向に長
く形成され、舌片Ｂ（５０）に対して長い先部を突片
（４１）とする。A tongue piece A (40) and a tongue piece B (50) extend inward from both left and right edges of the opening (A).
The tongue piece A (40) is formed to be longer in the inward direction than the tongue piece B (50), and the tip that is longer than the tongue piece B (50) is a protruding piece (41).
【００１２】この突片（４１）の基端側には前記注入ノ
ズル（１）の注入孔（４１Ａ）が開孔され、この注入孔
（４１Ａ）より注入ノズル（１）が表皮（Ｃ）内に差し
込まれており、注入ノズル（１）の表皮（Ｃ）内に差し
込まれた部分には掛止突起（２）が設けてあり、この掛
止突起（２）に分散体（３）が掛止している。An injection hole (41A) of the injection nozzle (1) is formed at the base end side of the protruding piece (41), and the injection nozzle (1) is inserted into the skin (C) through the injection hole (41A). A hooking projection (2) is provided at a portion inserted into the skin (C) of the injection nozzle (1), and the dispersion (3) is hooked on the hooking projection (2). Stopped.
【００１３】表皮（Ｃ）内に差し込まれた注入ノズル
（１）を差し込み方向と逆方向に引くことにより、注入
ノズル（１）の表皮（Ｃ）内に差し込まれた部分の外周
に有する掛止突起（２）が分散体（３）を突片（４１）
に接合すると共に突片（４１）の基端側を舌片Ｂ（５
０）の先端部に接合するように構成されている。なお、
図中（１０）は注入ノズル（１）に設けた漏斗状の注入
器を示す。[0013] By pulling the injection nozzle (1) inserted into the skin (C) in the direction opposite to the insertion direction, a hook provided on the outer periphery of the portion of the injection nozzle (1) inserted into the skin (C). The projections (2) project the dispersion (3) into the projections (41).
To the tongue piece B (5).
0). In addition,
In the figure, (10) indicates a funnel-shaped injector provided in the injection nozzle (1).
【００１４】図２は、図１の断面図で、舌片Ａ（４
０）、舌片Ｂ（５０）は表皮（Ｃ）内に相互に弾性によ
り接合して引き込まれ、開口部（Ａ）がパッド発泡成形
用の発泡液が漏出することがないようにしている。そし
て、分散体（３）は、注入ノズル（１）の掛止突起
（２）に掛止されている。FIG. 2 is a sectional view of FIG.
0), the tongue pieces B (50) are elastically connected to each other and pulled into the skin (C) so that the opening (A) does not leak the foaming liquid for pad foaming. The dispersion (3) is hung on the hooking projection (2) of the injection nozzle (1).
【００１５】分散体（３）はウレタンフォーム、塩化ビ
ニールなどの樹脂プレート若しくは樹脂プレートの多孔
板、或いは布、編物などからなり、図１、図２、図４に
示すものは、一枚の布に、挿込孔（３０）（３０）を設
け、この挿込孔（３０）（３０）に注入ノズル（１）を
差し込むことにより筒状になり、図２に示すように注入
ノズル（１）の吐出口（１Ａ）から吐出されたパッド成
形用の発泡液（Ｐ1）が内部に流下した後、左右に分散
されて表皮（Ｃ）内に広範囲で落下するようにしたもの
である。The dispersion (3) is made of a resin plate such as urethane foam or vinyl chloride or a perforated plate of the resin plate, or a cloth or a knitted fabric. The one shown in FIGS. Are provided with insertion holes (30) and (30), and the injection nozzle (1) is inserted into the insertion holes (30) and (30) to form a cylindrical shape. As shown in FIG. After the foaming liquid (P 1 ) for pad molding discharged from the discharge port (1A) flows down into the inside, the foaming liquid (P 1 ) is dispersed right and left so as to fall into the skin (C) in a wide range.
【００１６】図５に示す分散体（３Ａ）は、あらかじめ
筒状に縫着（３２）してその一部に挿込孔（３１）を設
けたものである。The dispersion (3A) shown in FIG. 5 is obtained by sewing in a tubular shape (32) in advance and partially providing an insertion hole (31).
【００１７】また、図６に示す分散体（３Ｂ）は、一部
が二重に重なり合うように縫着（３２）して、重なり合
う部分に挿込孔（３１）を設けることにより、掛止突起
（２）に分散体（３Ｂ）が確実に掛止できるようにして
いる。Further, the dispersion (3B) shown in FIG. 6 is sewn (32) so that a part of the dispersion is overlapped, and an insertion hole (31) is provided in the overlapped portion, so that the hooking projection is formed. The dispersion (3B) can be securely hooked on (2).
【００１８】なお、分散体（３）は、袋状に編物などで
形成してその全体から発泡液（Ｐ1）が表皮（Ｃ）内に
流出するようにしたものを使用してもよい。The dispersion (3) may be formed in a bag shape with a knitted fabric or the like so that the foaming liquid (P 1 ) flows out into the skin (C) from the whole.
【００１９】注入ノズル（１）に設けた掛止突起（２）
は、分散体（３）が差し込み且つ注入ノズル（１）と共
に差し込んだ掛止突起（２）が発泡液（Ｐ1）注入後に
引き抜けるように分散体（３）の挿込孔（３１）が形成
されている。Hook projection (2) provided on injection nozzle (1)
Is formed with an insertion hole (31) for the dispersion (3) so that the hook (2) into which the dispersion (3) is inserted and inserted together with the injection nozzle (1) is pulled out after the injection of the foaming liquid (P 1 ). Have been.
【００２０】図５、６に示す挿通孔（３１）は、その全
長（Ｌ2）が図７に示す掛止突起（２）の全長（Ｌ1）に
対して長く、幅は掛止突起（２）の全長（Ｌ1）に対し
て短く形成されている。従って、注入ノズル（１）の差
込時及び抜出時に、いずれか一方を回転させることによ
り、掛止突起（２）に掛止し、且つこの掛止状態から抜
出できるようにしている。The insertion hole (31) shown in FIGS. 5 and 6 has a total length (L 2 ) longer than the entire length (L 1 ) of the hooking projection (2) shown in FIG. It is formed shorter than the total length (L 1 ) of 2). Therefore, at the time of insertion and withdrawal of the injection nozzle (1), by rotating one of them, the injection nozzle (1) is hooked on the hooking projection (2) and can be pulled out from this hooked state.
【００２１】なお、図４に示す分散体（３）の場合に
は、伸縮材で形成して挿入孔（３０）の孔径の拡大、伸
縮により掛止突起（２）に分散体（３）が掛止し、且つ
掛止状態から抜出できるようにしている。In the case of the dispersion (3) shown in FIG. 4, the dispersion (3) is formed of an elastic material, and the dispersion (3) is formed on the hooking projection (2) by expansion and contraction of the diameter of the insertion hole (30). It is hooked and can be pulled out of the hooked state.
【００２２】図３は図１、２の状態より、パッド成形用
の発泡液（Ｐ1）を、一旦分散体（３）に吐出させた
後、発泡液（Ｐ1）を表皮（Ｃ）内に分散させてパッド
（Ｐ）を表皮（Ｃ）と一体に発泡成形したヘッドレスト
を示す。FIG. 3 from the state of FIG. 1 and 2, after the bubbling liquid pad molding (P 1), is once discharged to the dispersion (3), foaming liquid (P 1) of the epidermis (C) The headrest in which the pad (P) is foamed integrally with the skin (C) is shown by dispersing the headrest.
【００２３】次に、本発明に係るヘッドレストの製造方
法を、図８Ａ、Ｂ、Ｃ、Ｄに基づいて説明する。まず、
表皮（Ｃ）内にステー（Ｓ）を挿入して、図１に示すよ
うにステー（Ｓ）の両脚部を底布（４）の通孔より外部
に突出させる。Next, a method of manufacturing a headrest according to the present invention will be described with reference to FIGS. 8A, 8B, 8C and 8D. First,
The stay (S) is inserted into the outer skin (C), and both legs of the stay (S) are projected outside through the through holes of the bottom cloth (4) as shown in FIG.
【００２４】次に、注入ノズル（１）を掛止突起（２）
と共に開口部（Ａ）から注入孔（４１Ａ）に差し通した
後、分散体（３）の挿通孔（３０）に掛止突起（２）と
共に注入ノズル（１）の先端部を挿通して、掛止突起
（２）に分散体（３）を掛止する。この状態を図８Ａに
示す。Next, the injection nozzle (1) is engaged with the projection (2).
Together with the injection hole (41A) from the opening (A), and then insert the tip end of the injection nozzle (1) with the hooking projection (2) through the insertion hole (30) of the dispersion (3). The dispersion (3) is hooked on the hooking projection (2). This state is shown in FIG. 8A.
【００２５】然る後、注入ノズル（１）を矢印方向に引
くと、図８Ｂに示すように突片（４１）の基端が掛止突
起（２）によって舌片Ｂ（５０）の先端部に接合し、突
片（４１）が水平状に折曲する。そのため、舌片Ｂ（５
０）と舌片Ａ（４０）との間に間隙がなくなり、発泡液
（Ｐ）がその間隙に入り込む余地がない。この状態で、
表皮（Ｃ）内の分散体（３）内に発泡液（Ｐ1）を注入
する。すると、発泡液（Ｐ1）は分散体（３）内から表
皮（Ｃ）内に流下する。その際、発泡液（Ｐ1）の表皮
（Ｃ）内への流出の勢いが分散体（３）によって弱めら
れると共に発泡液（Ｐ1）は分散されて表皮（Ｃ）内に
広範囲で流下する（図８Ｃ）。Thereafter, when the injection nozzle (1) is pulled in the direction of the arrow, as shown in FIG. 8B, the base end of the projecting piece (41) is hooked by the hooking projection (2) to form the tip end of the tongue piece B (50). And the protruding piece (41) is bent horizontally. Therefore, the tongue piece B (5
0) and the tongue piece A (40) have no gap, and there is no room for the foaming liquid (P) to enter the gap. In this state,
The foaming liquid (P 1 ) is injected into the dispersion (3) in the epidermis (C). Then, the foaming liquid (P 1 ) flows down from the dispersion (3) into the epidermis (C). At that time, the bubbling liquid (P 1) foaming liquid with momentum outflow is weakened by dispersion (3) to the epidermis (C) in the (P 1) is dispersed to flow down in a wide range in the epidermis (C) (FIG. 8C).
【００２６】表皮（Ｃ）の下部内に注入された発泡液
（Ｐ1）は、上方に向けて発泡しながら移行する。その
ため、この発泡液（Ｐ1）の圧力で図８Ｄに示すよう
に、水平状の突片（４１）が舌片Ｂ（５０）の内面側に
巻き込むように圧接して突片（４１）と舌片Ｂ（５０）
との間に間隙が生じない。The foaming liquid (P 1 ) injected into the lower part of the skin (C) moves while foaming upward. Therefore, as shown in FIG. 8D, the pressure of the foaming liquid (P 1 ) causes the horizontal protruding piece (41) to be pressed into contact with the inner surface of the tongue piece B (50) so as to be brought into contact with the protruding piece (41). Tongue piece B (50)
And no gap is formed between them.
【００２７】然る後、注入ノズル（１）を掛止突起
（２）と共に分散体（３）と表皮（Ｃ）内から引き抜く
と、図３に示すようにパッド（Ｐ）が表皮（Ｃ）に一体
に発泡成形され、開口部（Ａ）から発泡液（Ｐ1）が全
く漏出せず、しかも、表皮（Ｃ）に局部的に発泡液（Ｐ
1）が硬化することのないヘッドレストが成形される。Thereafter, when the injection nozzle (1) is pulled out of the dispersion (3) and the skin (C) together with the latching projections (2), the pad (P) is brought into contact with the skin (C) as shown in FIG. The foaming liquid (P 1 ) does not leak at all from the opening (A), and the foaming liquid (P
1 ) A headrest that does not cure is molded.
【００２８】[0028]
【発明の効果】本発明によれば、袋状に縫着した表皮
と、別体に分散体を設け、この分散体を表皮内に差し込
んだ注入ノズルに取付けた後、パッド成形用の発泡液を
分散体を通して表皮内に分散させてパッドを表皮と一体
に成形するので、前記従来方法に比べ、注入ノズルの分
散体に対する差し込み作業が簡単になり、その作業性を
向上し得る。According to the present invention, a dispersion is separately provided from a skin sewn in a bag shape, and the dispersion is attached to an injection nozzle inserted into the skin, and then a foaming liquid for pad formation is formed. Is dispersed in the epidermis through the dispersing body and the pad is formed integrally with the epidermis, so that the work of inserting the injection nozzle into the dispersing body becomes simpler and the workability can be improved as compared with the conventional method.
【００２９】また、注入ノズルの先端部に掛止突起を設
けることにより、分散体の注入ノズルからの脱落を防止
でき、表皮内への発泡液の注入が確実になる。By providing a hooking projection at the tip of the injection nozzle, the dispersion can be prevented from falling off the injection nozzle, and the foaming liquid can be reliably injected into the epidermis.
【図１】本発明方法において、発泡液を注入する前の状
態を示す部分切欠斜視図である。FIG. 1 is a partially cutaway perspective view showing a state before a foaming liquid is injected in a method of the present invention.
【図２】図１の部分断面図である。FIG. 2 is a partial sectional view of FIG.
【図３】本発明方法によって製造したヘッドレストの断
面図である。FIG. 3 is a cross-sectional view of a headrest manufactured by the method of the present invention.
【図４】本発明に使用する注入ノズルと分散体を示す斜
視図である。FIG. 4 is a perspective view showing an injection nozzle and a dispersion used in the present invention.
【図５】本発明に使用する分散体の斜視図である。FIG. 5 is a perspective view of a dispersion used in the present invention.
【図６】分散体の別の実施例を示す斜視図である。FIG. 6 is a perspective view showing another embodiment of the dispersion.
【図７】本発明に使用する発泡液注入用の注入ノズルの
部分切欠斜視図である。FIG. 7 is a partially cutaway perspective view of an injection nozzle for injecting a foaming liquid used in the present invention.
【図８】本発明の製造方法を順に説明する説明図であ
る。FIG. 8 is an explanatory view for sequentially explaining the manufacturing method of the present invention.
Ｃ 表皮 Ｐ パッド Ａ 開口部 １ 注入ノズル ２ 掛止突起 ３ 分散体 ３Ａ 分散体 ３Ｂ 分散体 C Skin P pad A Opening 1 Injection nozzle 2 Hanging protrusion 3 Dispersion 3A Dispersion 3B Dispersion
Claims (2)
の発泡液を表皮内に差し込んだ注入ノズルで注入するこ
とにより、パッドを表皮と一体に発泡成形して製造する
ヘッドレストにおいて、 前記表皮内に差し込んだ注入ノズルの先端部に、表皮内
への発泡液の分散用分散体を取付けた後、この分散体を
通して表皮内に注入ノズルから発泡液を注入することを
特徴とするヘッドレストの製造方法。1. A headrest manufactured by injecting a foaming liquid for forming a pad into an outer skin sewn into a bag shape by an injection nozzle inserted into the outer skin, thereby foaming the pad integrally with the outer skin. After attaching a dispersion for dispersing the foaming liquid into the epidermis to the tip of the injection nozzle inserted into the epidermis, the headrest is characterized by injecting the foaming liquid from the injection nozzle into the epidermis through the dispersion. Production method.
掛止する掛止突起を設けてなる請求項１記載のヘッドレ
ストの製造方法。2. The headrest manufacturing method according to claim 1, wherein a hooking projection for hooking the dispersion is provided at a tip of the injection nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13770998A JP3963337B2 (en) | 1998-05-04 | 1998-05-04 | Manufacturing method of headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13770998A JP3963337B2 (en) | 1998-05-04 | 1998-05-04 | Manufacturing method of headrest |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11313728A true JPH11313728A (en) | 1999-11-16 |
| JP3963337B2 JP3963337B2 (en) | 2007-08-22 |
Family
ID=15204999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13770998A Expired - Fee Related JP3963337B2 (en) | 1998-05-04 | 1998-05-04 | Manufacturing method of headrest |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3963337B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314230A (en) * | 1998-05-04 | 1999-11-16 | Tachi S Co Ltd | Production of headrest |
| KR100486387B1 (en) * | 2002-01-15 | 2005-04-29 | 주식회사 우보테크 | Forming apparatus for using plastic foam |
| KR100899099B1 (en) | 2008-09-01 | 2009-05-25 | 주식회사 한일씨엔에프 | Headrest and method for manufacturing the same |
-
1998
- 1998-05-04 JP JP13770998A patent/JP3963337B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11314230A (en) * | 1998-05-04 | 1999-11-16 | Tachi S Co Ltd | Production of headrest |
| KR100486387B1 (en) * | 2002-01-15 | 2005-04-29 | 주식회사 우보테크 | Forming apparatus for using plastic foam |
| KR100899099B1 (en) | 2008-09-01 | 2009-05-25 | 주식회사 한일씨엔에프 | Headrest and method for manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3963337B2 (en) | 2007-08-22 |
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