JP3460476B2 - Headrest manufacturing method - Google Patents

Headrest manufacturing method

Info

Publication number
JP3460476B2
JP3460476B2 JP30413696A JP30413696A JP3460476B2 JP 3460476 B2 JP3460476 B2 JP 3460476B2 JP 30413696 A JP30413696 A JP 30413696A JP 30413696 A JP30413696 A JP 30413696A JP 3460476 B2 JP3460476 B2 JP 3460476B2
Authority
JP
Japan
Prior art keywords
cover piece
opening
headrest
piece
skin
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
Application number
JP30413696A
Other languages
Japanese (ja)
Other versions
JPH10128769A (en
Inventor
謙之 武井
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tachi S Co Ltd
Original Assignee
Tachi S Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tachi S Co Ltd filed Critical Tachi S Co Ltd
Priority to JP30413696A priority Critical patent/JP3460476B2/en
Publication of JPH10128769A publication Critical patent/JPH10128769A/en
Application granted granted Critical
Publication of JP3460476B2 publication Critical patent/JP3460476B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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

Description

【発明の詳細な説明】Detailed Description of the Invention

【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 headrest for an automobile seat, and more particularly to a method of manufacturing a headrest in which a pad is integrally foamed in a bag-like 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 equipped with a stay bent in a U shape from the opening of a bag-like sewn skin, and then a foaming liquid is injected into the skin to form a pad. There is one that is molded 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）。In order to prevent the foaming liquid from leaking from the opening of the epidermis to the outside, a pair of tongues are formed by extending the edges of the epidermis from the opening to the inside of the bag. , A tubular film is sandwiched between the tongue pieces, an injection nozzle for injecting a foaming liquid for foaming the pad is inserted into the tubular film, and the pad is foam-formed integrally with the outer skin (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 separate the tubular film from the outer skin after foaming the pad, and the workability is poor. There is also a risk of damaging the. Therefore, the present invention has an object to eliminate the problems 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。In order to achieve the above object, a method of manufacturing a headrest made of a foamed product integrated with a skin according to the present invention is to extend inward at the edge of an opening in a skin. It is characterized in that a cover piece with an inlet is provided, and the pad is foam-molded by inserting the injection nozzle for injecting the foaming liquid inserted from the opening into the injection port of the cover piece.

【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。The foaming liquid injected from the injection nozzle into the epidermis is blocked by the covering piece located inside the epidermis and does not leak to the outside 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）より従来と同様にＵ字状に折曲された
ステー（Ｓ）を装着してそのステー（Ｓ）の脚部を底布
（１Ａ）に開孔した通孔より外部に突出させる。BEST MODE FOR CARRYING OUT THE INVENTION 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 foaming a pad is injected into a bag-shaped sewn skin (C) by an injection nozzle (30) according to the method of the present invention, and a bottom cloth (2A) constituting the skin (C). Having an opening (A) between (1A),
From this opening (A), a stay (S) bent in a U-shape is mounted in the same manner as in the conventional case, and the legs of the stay (S) are attached to the outside from the through hole formed in the bottom cloth (1A). Make it protrude.

【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。This injection nozzle (30) is provided in an L-shaped plate (4) which has an opening (A) stretched in the closing direction, and both ends of the L-shaped plate (4) are aligned with the opening (A). By hitting both ends, the left and right edges of the skin forming the opening (A) are pulled outward and joined to form a straight line, which is 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 into a bag shape as shown in FIGS. FIG. 2 shows a state of being set in a molding die, and FIG. 3 shows a state of sewing the outer skin (C). The skin (C) comprises 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 provided on the outer surface of the wading. It uses a laminate.

【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 end portions (B) and (B) of the bottom cloth (2A) (1A) constituting the bottom portion of the headrest are integrally sewn with a sewing thread (B 1 ) as shown in FIGS. 2 and 3. ing. Then, openings (A) are formed between the edges of the bottom cloth (2A) (1A) that are not sewn.

【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) forming the left and right ends of the opening (A) are joined together 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) (2)
Is formed by extending a part of the bottom cloth (2A) (1A), one cover piece A (1) has a longer protrusion amount than the other cover piece B (2), and the cover piece A (1 A projecting piece (10) is provided at the tip of 1), and an injection port (10A) is opened in this projecting piece (10). In the figure, (3) 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。Like the cover piece A (1), the above-mentioned projection piece (10) is also formed of the same member as the bottom cloth (1A), that is, a laminated body composed of the skin material, the wadding, and the wadding cover. The inner diameter of the injection port (10A) that is opened in 10) is smaller than the outer diameter of the injection nozzle (30) that is inserted into the injection port (10A), and the injection nozzle (30) has the injection port (10A).
The rim of A) is elastically contacted by the elasticity of the wadding to prevent the foaming liquid from leaking 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 piece A (1) is longer than the cover piece B (2), as shown in FIG.
0) does not need to be provided on the cover piece A (1), and the injection port (10
A) may be provided on the cover piece A (1) in a portion projecting from the cover piece 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 outer skin (C) is sewn in the state shown by the solid line in FIG. 3, and when the covering piece A (1) and the covering piece B (2) are inserted into the inside, as shown by the chain line in FIG. 3 and FIG. , The cover piece A (1) and the cover piece B (2) face inward of the epidermis (C). The bottom cloth (1A) has through holes (not shown) through which both leg portions 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, the cover piece A (1) and the cover piece B (2) are sewn with the sewing threads (B 1 ) and (B 2 ), and the cover piece A (1) and the cover piece B (2) are sewn. Is formed integrally with the bottom cloths (1) and (2) by wading, so that cover pieces A (1) and cover pieces B are formed.
With (2) inserted inside the skin (C), cover piece A
(1), the cover piece B (2) has 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, after the stay (S) is inserted through the opening (A) and both legs of the stay (S) are projected to the outside from the through holes provided in the bottom cloth (1A), as shown in FIG. Then, a jig composed of an L-shaped plate (4) is attached to the opening (A), and the opening (A) composed of the covering piece A (1) and the covering piece B (2) is pulled outward to close the opening. And the injection nozzle (30) integrated with the plate (4) is connected to the injection port (10) of the projecting piece (10).
Insert into 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。Then, this is set in a headrest foaming mold and a foaming liquid is injected from an injection nozzle (30) to integrally foam the pad (P) with the skin (C).
When the mold is removed and the injection nozzle (30) is removed, the 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, the cover piece A (1) and the projecting piece (10), which are longer than the cover piece B (2), are covered with the cover piece B by the foaming pressure of the foaming liquid in a state where the opening (A) is closed. It is foamed so as to wrap around (2), and the opening (A) or injection port (10A)
Without the foaming liquid leaking out of the headrest,
The pad (P) is foam-molded.

【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, since the injection nozzle is inserted into the injection port of the cover piece located inside the bag-shaped sewn skin, the pad and the epidermis are integrally foamed. The liquid is blocked by the cover. for that reason,
It is possible to provide a headrest that is a foamed product integrated with a skin that has excellent appearance quality without the foaming liquid leaking to the outside.

【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 it is not necessary to use a tubular film as in the above-mentioned conventional method, the work of attaching and detaching the film becomes unnecessary, and the workability can be improved.

【図面の簡単な説明】[Brief description of drawings]

【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 sectional view of a part of the bag-like sewn epidermis 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 an epidermis 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.

【符号の説明】[Explanation of symbols]

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 1 cover piece 2 cover pieces 10A inlet 30 injection nozzles A opening C epidermis P pad S stay

Claims (6)

(57)【特許請求の範囲】(57) [Claims] 【請求項１】 ステーを袋状に縫製した表皮における開
口部より内部に装着して、そのステーの脚部を表皮の通
孔より外部に突出させた後、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 stay is attached to the inside from an opening of a bag-sewn skin, and the leg of the stay is passed through the skin.
In a headrest formed by foaming a pad integrally with the epidermis by injecting a foaming liquid into the epidermis after projecting it out of the hole, and extending inward at the edge of the opening in the epidermis. A method of manufacturing a headrest, wherein a cover piece with an injection port is provided, and the pad is foam-molded by inserting the injection nozzle for injecting the foaming liquid inserted from the opening into the injection port of the cover piece. 【請求項２】 前記覆片は開口部の左右両端縁に延設
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 has a bag-like outer surface with respect to the cover piece B extending on the other edge. The entire length in the inward direction is formed to be long, and the injection nozzle is inserted into the cover piece A.
Manufacturing method of the headrest described. 【請求項３】 前記覆片の先端には突片を延設し、該突
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 of manufacturing a headrest according to claim 1, wherein a projecting piece is provided at the tip of the cover piece, and the injection port is provided in the projecting piece. 【請求項４】 前記覆片、突片は表皮と同一部材からな
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 the cover piece and the projecting piece are made of the same material as the skin, and the opening is stretched by a jig in the closing direction to foam-form the pad. Method. 【請求項５】 前記覆片Ａ、Ｂが相互に接合する方向に
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 of 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 close the opening. 【請求項６】 前記注入口を有する覆片は、発泡体製ワ
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 piece having the injection port is formed of a foam wadding, and the inner diameter of the injection port is smaller than the outer diameter of the injection nozzle. Production method.
JP30413696A 1996-10-31 1996-10-31 Headrest manufacturing method Expired - Fee Related JP3460476B2 (en)

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 JPH10128769A (en) 1998-05-19
JP3460476B2 true JP3460476B2 (en) 2003-10-27

Family

ID=17929483

Family Applications (1)

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JP30413696A Expired - Fee Related JP3460476B2 (en) 1996-10-31 1996-10-31 Headrest manufacturing method

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Publication number Priority date Publication date Assignee Title
JP4559245B2 (en) * 2005-01-31 2010-10-06 株式会社イノアックコーポレーション Method for producing foam with integrated insert and skin opening expansion jig and foaming mold used therefor
JP4498960B2 (en) * 2005-03-22 2010-07-07 株式会社タチエス Manufacturing equipment for skin foam
JP6856373B2 (en) 2016-12-21 2021-04-07 株式会社タチエス Skin-integrated molded product and its manufacturing method

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