JPH10128769A - Headrest manufacturing method - Google Patents
Headrest manufacturing methodInfo
- Publication number
- JPH10128769A JPH10128769A JP8304136A JP30413696A JPH10128769A JP H10128769 A JPH10128769 A JP H10128769A JP 8304136 A JP8304136 A JP 8304136A JP 30413696 A JP30413696 A JP 30413696A JP H10128769 A JPH10128769 A JP H10128769A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- opening
- skin
- headrest
- pad
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/3023—Head-rests
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Molding Of Porous Articles (AREA)
Abstract
(57)【要約】
【目的】袋状に縫製した表皮にパッドを一体発泡してな
るヘッドレストにおいて、パッド成形用の発泡液の外部
への漏出を防止することである。
【構成】袋状に縫製した表皮（Ｃ）の開口部（Ａ）の端
縁に、内方に延設する注入口（１０Ａ）付覆片（１）を
設け、（３０）を挿通してパッド成形用の発泡液を注入
することを特徴とする。
(57) [Summary] [Object] To prevent a foaming liquid for forming a pad from leaking to the outside in a headrest in which a pad is integrally foamed on a skin sewn in a bag shape. [Structure] A cover piece (1) with an inlet (10A) extending inward is provided at an edge of an opening (A) of a skin (C) sewn in a bag shape, and (30) is inserted therethrough. A foaming liquid for pad molding is injected.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は自動車用シートのヘ
ッドレスト、詳しくは、袋状に縫製した表皮内にパッド
を一体に発泡して成形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 for manufacturing a headrest for an automobile seat, and more particularly, to a method for manufacturing a headrest in which a pad is integrally foamed and formed in a sewn skin.
【０００２】[0002]
【従来の技術】従来のヘッドレストには、袋状に縫製し
た表皮の開口部より内部にＵ字状に折曲されているステ
ーを装着した後、表皮内に発泡液を注入してパッドを表
皮と一体に成形してなるものがある。2. Description of the Related Art A conventional headrest is provided with a stay which is folded into a U-shape from an opening portion of a skin sewn in a bag shape, and then a foaming liquid is injected into the skin to form a pad. There is the one which is formed integrally with.
【０００３】これは、表皮の開口部からの発泡液の外部
への漏出を防止するために、開口部から袋状の内方に表
皮の端縁を延設してなる一対の舌片を設け、この舌片間
に筒状フィルムを挟み、この筒状フィルム内にパッド発
泡用の発泡液注入用の注入ノズルを差し込んで、パッド
を表皮と一体に発泡成形している（例えば、特公平６ー
４５１４９号公報、特開平７ー３１７５９号公報）。[0003] In order to prevent the foaming liquid from leaking to the outside from the opening of the skin, a pair of tongues having the edges of the skin extending from the opening to the inside of the bag are provided. The pad is molded integrally with the epidermis by inserting a tubular film between the tongue pieces and inserting an injection nozzle for injecting a foaming liquid for foaming the pad into the tubular film (for example, Japanese Patent Publication No. -45149, JP-A-7-31759).
【０００４】[0004]
【発明が解決しようとする課題】従って、この従来方法
によると、パッドを発泡成形後、筒状フィルムを表皮よ
り切離する必要があり、その作業性が悪いし、切離する
際に、表皮を損傷する虞れもある。そこで、本発明は斯
様な従来方法による不具合を除去することを目的とす
る。Therefore, according to this conventional method, it is necessary to cut off the tubular film from the skin after foaming the pad, and the workability is poor. May be damaged. Therefore, an object of the present invention is to eliminate the disadvantages caused by such a conventional method.
【０００５】[0005]
【課題を解決するための手段】以上の目的を達成するた
めの本発明に表皮一体の発泡品からなるヘッドレストの
製造方法は、表皮における開口部の端縁に、内部に向け
て延設する注入口付の覆片を設け、該覆片の注入口に開
口部より差し込んだ前記発泡液注入用の注入ノズルを挿
通してパッドを発泡成形してなることを特徴とするもの
である。According to the present invention, there is provided a method of manufacturing a headrest made of a foamed article integrally formed with a skin, wherein the headrest is formed so as to extend inward at an edge of an opening in the skin. A cover with an inlet is provided, and the pad is foam-formed by inserting the foaming liquid injection nozzle inserted into the inlet of the cover from the opening.
【０００６】表皮内に注入ノズルより注入した発泡液
は、表皮内部に位置する覆片によって塞がれ、表皮の外
部に漏出することがない。[0006] The foaming liquid injected into the epidermis from the injection nozzle is closed by the cover located inside the epidermis and does not leak out of the epidermis.
【０００７】[0007]
【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（３０）より袋状に縫製し
た表皮（Ｃ）内に注入する状態を示し、表皮（Ｃ）を構
成する底布（２Ａ）（１Ａ）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（１Ａ）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 in which a foaming liquid for pad foam molding is injected into a bag-like sewn skin (C) from an injection nozzle (30) by the method of the present invention, and a bottom cloth (2A) constituting the skin (C) is shown. (1A) having an opening (A) between them;
A stay (S) bent into a U-shape from this opening (A)
The leg of the stay (S) is projected to the outside from a through hole formed in the bottom cloth (1A) by mounting the cover.
【０００８】この注入ノズル（３０）は開口部（Ａ）を
閉口方向に張設するＬ字状プレート（４）に設けてあ
り、Ｌ字状プレート（４）の両端を開口部（Ａ）の両端
に当たることにより、開口部（Ａ）を構成する表皮の左
右両端縁は外方に引張られて接合し直線状になり、開口
部（Ａ）を塞ぐように形成されている。The injection nozzle (30) is provided on an L-shaped plate (4) that extends the opening (A) in the closing direction, and both ends of the L-shaped plate (4) are connected to the opening (A). By contacting both ends, the left and right end edges of the skin constituting the opening (A) are pulled outward and joined to be linear, and are formed so as to close the opening (A).
【０００９】以上の表皮（Ｃ）は、図２、図３に示すよ
うに袋状に縫製されている。図２は成形型にセットする
状態、図３は表皮（Ｃ）を縫製した状態を示す。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、このワディングの外面に一体に有す
るワディングカバーとからなる積層体を使用している。The above skin (C) is sewn in a bag shape as shown in FIGS. FIG. 2 shows a state set in a molding die, and FIG. 3 shows a state in which the skin (C) is sewn. The skin (C) is composed of a skin material such as a woven fabric or a raised cloth, a wadding made of a urethane foam slab material integrally fixed to the back surface of the skin material, and a wading cover integrally formed on the outer surface of the wadding. A laminate is used.
【００１０】ヘッドレストの底部を構成する前記底布
（２Ａ）（１Ａ）の左右端部（Ｂ）（Ｂ）は、一体に図
２、図３に示すように縫糸（Ｂ1）によって縫着されて
いる。そして、この底布（２Ａ）（１Ａ）における縫着
されない各端縁間に開口部（Ａ）が形成される。The left and right ends (B) and (B) of the bottom cloths (2A) and (1A) constituting the bottom of the headrest are integrally sewn with sewing thread (B 1 ) as shown in FIGS. ing. An opening (A) is formed between the non-sewn edges of the bottom cloth (2A) (1A).
【００１１】開口部（Ａ）の左右両端部を構成する底布
（２Ａ）（１Ａ）は縫糸（Ｂ2）（Ｂ2）によって一体に
接ぎ合わされている。この縫糸（Ｂ2）（Ｂ2）間の底布
を覆片（２）（１）とする。従って、覆片（１）（２）
は底布（２Ａ）（１Ａ）の一部を延長させて形成し、一
方の覆片Ａ（１）は他方の覆片Ｂ（２）に対して突出量
が長く、また、覆片Ａ（１）の先端には突片（１０）を
延設して、この突片（１０）に注入口（１０Ａ）を開孔
している。図中（３）は注入ノズル（３０）に漏斗を介
して連結されている注入器を示す。The bottom cloths (2A) and (1A) constituting the left and right ends of the opening (A) are integrally joined by sewing threads (B 2 ) and (B 2 ). The bottom cloth between the sewing threads (B 2 ) and (B 2 ) is used as cover pieces (2) and (1). Therefore, the cover pieces (1) and (2)
Is formed by extending a part of the bottom cloth (2A) (1A), one of the cover pieces A (1) has a longer protrusion amount than the other cover piece B (2), and the cover piece A ( A projecting piece (10) is provided at the tip of 1), and an injection port (10A) is opened in the projecting piece (10). (3) in the figure shows an injector connected to the injection nozzle (30) via a funnel.
【００１２】以上の突片（１０）も覆片Ａ（１）と同様
に底布（１Ａ）と同一部材、即ち、前記表皮材、ワディ
ング、ワディングカバーからなる積層体で形成され、突
片（１０）に開孔する注入口（１０Ａ）の内径は注入口
（１０Ａ）に挿通する注入ノズル（３０）の外径に対し
て小径に形成して、注入ノズル（３０）に注入口（１０
Ａ）の口縁がワディングの弾性により弾接して注入口
（１０Ａ）からの発泡液の漏出を防止している。The protruding piece (10) is also made of the same material as the bottom cloth (1A), that is, the laminate composed of the skin material, wadding, and wading cover, like the cover piece A (1). The inner diameter of the injection port (10A) opened in the injection port (10) is formed to be smaller than the outer diameter of the injection nozzle (30) inserted into the injection port (10A).
The edge of A) is elastically contacted by wadding elasticity to prevent leakage of the foaming liquid from the injection port (10A).
【００１３】なお、覆片Ａ（１）が覆片Ｂ（２）に対し
て長いものを使用すれば、図示するが如く、突片（１
０）を覆片Ａ（１）に設ける必要がなく、注入口（１０
Ａ）を覆片Ｂ（２）より突出する部分の覆片Ａ（１）に
設けてもよい。If the cover A (1) is longer than the cover B (2), as shown in FIG.
0) need not be provided on the cover A (1), and the injection port (10) is not required.
A) may be provided on a portion of the cover A (1) protruding from the cover B (2).
【００１４】表皮（Ｃ）は図３実線に示すような状態に
縫製して、覆片Ａ（１）、覆片Ｂ（２）を内部に差し込
むと、図３鎖線、図２に示すように、覆片Ａ（１）、覆
片Ｂ（２）は表皮（Ｃ）の内部方向に向く。なお、底布
（１Ａ）にはステー（Ｓ）の両脚部を挿通する通孔（不
図示）が開孔されている。The skin (C) is sewn in the state shown by the solid line in FIG. 3, and when the cover A (1) and the cover B (2) are inserted into the inside, as shown in FIG. The cover piece A (1) and the cover piece B (2) face the inside of the epidermis (C). The bottom cloth (1A) is provided with through holes (not shown) through which both legs of the stay (S) are inserted.
【００１５】図示するが如く、縫糸（Ｂ1）（Ｂ2）によ
り覆片Ａ（１）、覆片Ｂ（２）を縫着すると共に、覆片
Ａ（１）、覆片Ｂ（２）が底布（１）（２）と一体でワ
ディングで成形することにより、覆片Ａ（１）、覆片Ｂ
（２）が表皮（Ｃ）の内部に差し込んだ状態で、覆片Ａ
（１）、覆片Ｂ（２）が相互に接合する方向に弾性を有
し、開口部（Ａ）が塞がれる。As shown in the drawing, the covering pieces A (1) and B (2) are sewn with sewing threads (B 1 ) and (B 2 ), and the covering pieces A (1) and B (2). Are formed integrally with the bottom cloths (1) and (2) by wadding, so that the cover A (1) and the cover B
(2) is inserted into the inside of the skin (C), and the cover A
(1) The cover pieces B (2) have elasticity in the direction in which they are joined to each other, and the opening (A) is closed.
【００１６】次に、開口部（Ａ）よりステー（Ｓ）を挿
入してステー（Ｓ）の両脚を底布（１Ａ）に設けた通孔
より外部に突出させた後、図１に示すように、開口部
（Ａ）にＬ字状プレート（４）からなる治具を装着して
覆片Ａ（１）、覆片Ｂ（２）からなる開口部（Ａ）を外
方に引張り、閉口させると共に、プレート（４）と一体
の注入ノズル（３０）を突片（１０）の注入口（１０
Ａ）に挿通する。Next, a stay (S) is inserted through the opening (A), and both legs of the stay (S) are projected outside through through holes provided in the bottom cloth (1A), as shown in FIG. A jig made up of an L-shaped plate (4) is attached to the opening (A), and the opening (A) made up of the cover pieces A (1) and B (2) is pulled outward to close the opening. At the same time, the injection nozzle (30) integrated with the plate (4) is connected to the injection port (10) of the projecting piece (10).
A).
【００１７】然る後、これをヘッドレスト発泡成形型内
にセットして注入ノズル（３０）より発泡液を注入して
パッド（Ｐ）を表皮（Ｃ）と一体発泡し、発泡完了後、
脱型して注入ノズル（３０）を取り外すと、図４に示す
ようにヘッドレストが得られる。Thereafter, this is set in a headrest foaming mold, and a foaming liquid is injected from an injection nozzle (30) to foam the pad (P) integrally with the skin (C).
When the injection nozzle (30) is removed from the mold, a headrest is obtained as shown in FIG.
【００１８】即ち、開口部（Ａ）は閉口された状態で発
泡液の発泡圧により、覆片Ｂ（２）より長い部分の覆片
Ａ（１）及び突片（１０）は、覆片Ｂ（２）を包むよう
に発泡成形され、開口部（Ａ）或いは注入口（１０Ａ）
から発泡液がヘッドレストの外部に漏出することなく、
パッド（Ｐ）は発泡成形される。That is, when the opening (A) is closed and the foaming pressure of the foaming liquid causes the cover A (1) and the protruding piece (10), which are longer than the cover B (2), to form the cover B (2) is foam-molded so as to wrap around, and the opening (A) or the inlet (10A)
Without the foaming liquid leaking out of the headrest
The pad (P) is foamed.
【００１９】[0019]
【発明の効果】本発明によれば、袋状に縫製された表皮
の内部に位置する覆片における注入口に注入ノズルを挿
通させてパッドと表皮と一体発泡するので、パッド発泡
成形用の発泡液が覆片によって遮断される。そのため、
発泡液が外部に漏出することがなく、外観品質に優れた
表皮一体発泡品たるヘッドレストを提供できる。According to the present invention, the pad and the skin are integrally foamed by inserting the injection nozzle into the injection hole of the cover located inside the bag-like sewn skin. The liquid is shut off by the cover. for that reason,
A foaming liquid does not leak to the outside, and a headrest as an epidermis-integrated foam having excellent appearance quality can be provided.
【００２０】また、前記従来方法の如く、筒状フィルム
を使用する必要がないため、そのフィルムの取付及び切
離作業が不要になり、作業性を向上し得る。Further, since there is no need to use a cylindrical film as in the above-mentioned conventional method, the work of mounting and separating the film is not required, and the workability can be improved.
【図１】本発明方法を説明する部分切欠斜視図である。FIG. 1 is a partially cutaway perspective view illustrating a method of the present invention.
【図２】本発明に使用する袋状に縫製した表皮の一部の
断面図である。FIG. 2 is a cross-sectional view of a part of a sewn skin used in the present invention.
【図３】本発明に使用する表皮の斜視図である。FIG. 3 is a perspective view of a skin used in the present invention.
【図４】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. 4 is a cross-sectional view of a headrest manufactured by the method of the present invention.
１ 覆片 ２ 覆片 １０Ａ 注入口 ３０ 注入ノズル Ａ 開口部 Ｃ 表皮 Ｐ パッド Ｓ ステー DESCRIPTION OF SYMBOLS 1 Cover piece 2 Cover piece 10A Injection port 30 Injection nozzle A Opening part C Skin P pad S Stay
Claims (6)
ける開口部より内部に装着して表皮内に発泡液を注入す
ることにより、パッドを表皮と一体に発泡成形してなる
ヘッドレストにおいて、 前記表皮における開口部の端縁に、内部に向けて延設す
る注入口付の覆片を設け、該覆片の注入口に、開口部よ
り差し込んだ前記発泡液注入用の注入ノズルを挿通して
パッドを発泡成形してなるヘッドレストの製造方法。1. A headrest in which a pad is foamed integrally with the epidermis by injecting a foaming liquid into the epidermis by inserting a part of the stay into an opening in the epidermis sewn in a bag shape and injecting the foaming liquid into the epidermis. At the edge of the opening in the skin, a cover with an injection port extending toward the inside is provided, and the injection nozzle for the foaming liquid injection inserted from the opening is inserted into the injection port of the cover. Manufacturing method of a headrest formed by foaming a pad.
し、一方の端縁に延設した覆片Ａは他方の端縁に延設し
た覆片Ｂに対して袋状表皮の内部方向への全長を長く形
成し、覆片Ａに前記注入ノズルを挿通してなる請求項１
記載のヘッドレストの製造方法。2. The cover piece extends on both left and right edges of the opening, and the cover piece A extending on one edge is formed in a bag-like skin with respect to the cover piece B extending on the other edge. 2. The injection nozzle is formed so as to have a longer overall length in the inner direction, and the cover piece A is inserted through the injection nozzle.
A method for manufacturing the headrest according to the above.
片に前記注入口を設けてなる請求項１又は２記載のヘッ
ドレストの製造方法。3. The method for manufacturing a headrest according to claim 1, wherein a projecting piece is extended at a tip of said cover piece, and said injection port is provided in said projecting piece.
り、開口部は治具により閉口方向に張設して前記パッド
を発泡成形してなる請求項１乃至３記載のヘッドレスト
の製造方法。4. The headrest manufacturing method according to claim 1, wherein said cover piece and said projecting piece are made of the same member as the skin, and said opening is stretched in a closing direction by a jig to foam-mold said pad. Method.
弾性を有し、開口部を塞ぐように形成されている請求項
２記載のヘッドレストの製造方法。5. The method for manufacturing a headrest according to claim 2, wherein the cover pieces A and B have elasticity in a direction in which they are joined to each other and are formed so as to cover an opening.
ディングで形成され、注入口の内径は注入ノズルの外径
に対して小径に形成されている請求項１又は２記載のヘ
ッドレストの製造方法。6. The headrest according to claim 1, wherein the cover having the injection port is formed by wadding made of foam, and an inner diameter of the injection port is formed to be smaller than an outer diameter of the injection nozzle. Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30413696A JP3460476B2 (en) | 1996-10-31 | 1996-10-31 | Headrest manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30413696A JP3460476B2 (en) | 1996-10-31 | 1996-10-31 | Headrest manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10128769A true JPH10128769A (en) | 1998-05-19 |
| JP3460476B2 JP3460476B2 (en) | 2003-10-27 |
Family
ID=17929483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30413696A Expired - Fee Related JP3460476B2 (en) | 1996-10-31 | 1996-10-31 | Headrest manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3460476B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006204782A (en) * | 2005-01-31 | 2006-08-10 | Inoac Corp | Method for producing foam with integrated insert and skin opening expansion jig and foaming mold used therefor |
| JP2006263958A (en) * | 2005-03-22 | 2006-10-05 | Tachi S Co Ltd | Manufacturing equipment for skin foam |
| JP2018099403A (en) * | 2016-12-21 | 2018-06-28 | 株式会社タチエス | Skin-integrated molded product and manufacturing method thereof |
-
1996
- 1996-10-31 JP JP30413696A patent/JP3460476B2/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006204782A (en) * | 2005-01-31 | 2006-08-10 | Inoac Corp | Method for producing foam with integrated insert and skin opening expansion jig and foaming mold used therefor |
| JP2006263958A (en) * | 2005-03-22 | 2006-10-05 | Tachi S Co Ltd | Manufacturing equipment for skin foam |
| JP2018099403A (en) * | 2016-12-21 | 2018-06-28 | 株式会社タチエス | Skin-integrated molded product and manufacturing method thereof |
| US10821636B2 (en) | 2016-12-21 | 2020-11-03 | Tachi-S Co., Ltd. | Skin integral molded article and manufacturing method thereof |
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|---|---|
| JP3460476B2 (en) | 2003-10-27 |
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