JPH05116575A - Manufacture of air bag for vehicle - Google Patents
Manufacture of air bag for vehicleInfo
- Publication number
- JPH05116575A JPH05116575A JP30677691A JP30677691A JPH05116575A JP H05116575 A JPH05116575 A JP H05116575A JP 30677691 A JP30677691 A JP 30677691A JP 30677691 A JP30677691 A JP 30677691A JP H05116575 A JPH05116575 A JP H05116575A
- Authority
- JP
- Japan
- Prior art keywords
- sewing
- jig
- airbag
- strips
- strap
- 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
- Air Bags (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は車両に装備し、車両の衝
突事故の際に自動的に膨張し、乗員を保護するエアバッ
グ装置に係り、詳しくは該エアバッグの展開形状を規制
するストラップを中心としたエアバッグの製造方法に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airbag device which is mounted on a vehicle and automatically inflates in the event of a vehicle collision to protect an occupant. The present invention relates to a method for manufacturing an air bag.
【０００２】[0002]
【従来の技術】エアバッグ装置は、車両が衝突した時、
衝撃が所定以上である場合に、シートベルトの補助とし
て瞬時にバッグが膨張し、乗員を保護する安全装置であ
り、通常、ガス発生器であるインフレータと、インフレ
ータのガスにより膨張するバックと、前記インフレータ
を該バッグと共に略気密に囲繞収納するエアバッグケー
スとで構成されている。2. Description of the Related Art An air bag system is used when a vehicle collides.
When the impact is more than a predetermined value, the bag is instantly inflated as an aid to the seat belt, which is a safety device for protecting the occupant, and is usually an inflator that is a gas generator, and a bag that is inflated by the gas of the inflator, An airbag case that encloses the inflator together with the bag in a substantially airtight manner.
【０００３】そして、このエアバッグ装置はその作動に
あたり、電気信号等によりインフレータから噴出された
噴出ガスがエアバッグケースとエアバッグ内に充満して
内圧を発し、この内圧によりバッグが展開する。When the airbag apparatus operates, the gas ejected from the inflator due to an electric signal or the like fills the airbag case and the airbag to generate an internal pressure, and the internal pressure causes the bag to expand.
【０００４】ところで、エアバッグの展開初期において
は、該バッグはインフレータからの噴出ガスによってそ
の噴出方向、即ち乗員の方向に１次的に大きく伸張する
ため、上下左右方向の膨らみが遅れるという問題があ
る。そこで、このようなガス噴出方向へのバッグの伸張
を制限すべく、エアバッグの内側頂部付近と内側基部付
近とに亘らせてバッグの伸張を規制するストラップが設
けられることが多い。By the way, at the initial stage of deployment of the airbag, the airbag is primarily expanded by the gas ejected from the inflator in the ejection direction thereof, that is, in the direction of the occupant, so that the inflation in the vertical and horizontal directions is delayed. is there. Therefore, in order to limit the expansion of the bag in such a gas ejection direction, a strap that restricts the expansion of the bag is often provided over the vicinity of the inner top and the vicinity of the inner base of the airbag.
【０００５】[0005]
【発明が解決しようとする課題】その構造は例えば図５
に示す通りであり、ストラップ（１１）は、展開形状に
おけるエアバッグ（１）の内側頂部付近と内側基部付近
とに夫々取着した補強布（３），（６）の夫々の一部を
一体に延設して帯状体（９）…（９）を設け、これら帯
状体（９）…（９）の端部を対向する補強布の帯状体
（９）…（９）の端部と縫合することにより形成されて
いる。The structure is, for example, as shown in FIG.
The strap (11) is an integral part of each of the reinforcing cloths (3) and (6) attached near the inner top and near the inner base of the airbag (1) in the expanded shape. (9) are provided so as to extend to the ends of the strips, and the ends of the strips (9) ... (9) are sewn to the ends of the opposing strips (9) of the reinforcing cloth. It is formed by doing.
【０００６】上記ストラップは、該ストラップを作成す
る際の縫製箇所を減じると共に、その縫合部位をストラ
ップ中央付近に移行させることにより機械による縫製自
動化を目論だものであるが、実際の縫製に際しては、人
の手によって縫合の位置決めを行い、次に、ミシンで縫
製する半手作業の方法がとられていた。[0006] The above-mentioned strap is intended to be automated by a machine by reducing the number of sewing points when producing the strap and shifting the sewn area to the vicinity of the center of the strap. The semi-manual method of positioning the suture manually and then sewing with a sewing machine has been used.
【０００７】本発明は叙上の如き実状に対処し、ストラ
ップを構成する帯状体の端部形状に新規な構成と、該端
部形状に適応する縫製用治具とを見出すことにより、ス
トラップ作成時における帯状体縫合の機械による縫製自
動化を図ることを目的とするものである。The present invention copes with the actual situation as described above, and finds a novel structure for the end shape of the belt-like body constituting the strap, and a sewing jig adapted to the end shape, thereby making a strap. The purpose of the present invention is to automate the sewing of a belt-shaped body by a machine.
【０００８】[0008]
【課題を解決するための手段】即ち、上記目的を達成す
る本発明のエアバッグの製造方法の特徴は、展開形状に
おけるエアバッグの内側頂部付近と内側基部付近とに取
着した補強布の夫々の一部を一体に延設して帯状体を設
けると共に、これら帯状体端部を対向する補強布の帯状
体端部と縫合することによりエアバッグの展開形状を規
制するストラップを形成せしめた車両用エアバッグにお
いて、上記帯状体の各先端部に、該先端部から両側に突
出させてセット穴を有するフラップを形成し、一方、縫
合用透孔を有する１対の板状体の合わせ面に、縫合用に
重ね合わせた帯状体の上記セット穴に対応させ位置決め
ピンを設けて縫製用治具となし、縫合する帯状体の各セ
ット穴をこの治具の位置決めピンに嵌挿し、のち該治具
の板状体を閉じ、前記縫合用透孔からこれら帯状体端部
を縫合することにある。That is, the feature of the method for manufacturing an airbag of the present invention that achieves the above-mentioned object is that each of the reinforcing cloths attached to the vicinity of the inner top portion and the vicinity of the inner base portion of the airbag in the expanded shape, respectively. A vehicle in which a strap for restricting the deployment shape of the airbag is formed by integrally extending a part of the belt-shaped body to provide a belt-shaped body, and stitching these belt-shaped body end portions with the belt-shaped body end portions of the opposing reinforcing cloth. In the airbag for use, a flap having a set hole is formed at each tip portion of the band-shaped body so as to project from the tip portion to both sides, and on the other hand, on a mating surface of a pair of plate-shaped bodies having through holes for suturing. The jigs for sewing are provided with positioning pins corresponding to the above-mentioned set holes of the band-shaped bodies piled up for suturing, and the set holes of the band-shaped bodies to be sewn are fitted into the positioning pins of this jig, and then the jig is fixed. Close the plate of the ingredient, It is to suture these strip end from the serial suture hole.
【０００９】[0009]
【作用】上記本発明の方法によれば、ストラップを形成
する帯状体の重合位置が正確に決められると共に、縫合
時においても該帯状体が適切な状態で固定されるため、
該帯状体の機械による縫製自動化が可能となる。According to the above method of the present invention, the overlapping position of the strip forming the strap is accurately determined, and the strip is fixed in an appropriate state even during suturing.
It is possible to automate the sewing of the belt-shaped body by a machine.
【００１０】[0010]
【実施例】以下、さらに添付図面を参照して、本発明の
エアバッグ製造方法の実施例を説明する。Embodiments of the airbag manufacturing method of the present invention will be described below with reference to the accompanying drawings.
【００１１】図３は本発明実施例の製造方法によって製
造した運転席用エアバッグを示す断面図、図４は同エア
バッグの斜視図、図５は同エアバッグを表裏逆になるよ
う裏返した斜視図であり、図３，図４は共にエアバッグ
の展開形状を示している。FIG. 3 is a cross-sectional view showing an airbag for a driver's seat manufactured by the manufacturing method of the embodiment of the present invention, FIG. 4 is a perspective view of the airbag, and FIG. 5 is the inside of the airbag turned upside down. FIG. 3 is a perspective view, and FIGS. 3 and 4 both show the expanded shape of the airbag.
【００１２】このエアバッグは図３に示す如く、バッグ
本体（１）の内側頂部（２）付近には２枚の補強布
（３），（４）が、また内側基部（５）付近には３枚の
補強布（６），（７），（８）が夫々縫着されている。
そして、これら補強布（３），（４），（６）〜（８）
のうち、バッグ本体（１）側あるいはバッグ本体寄りの
補強布（３），（６）には、図５に示す如くその周縁部
４箇所が夫々、該補強布（３），（６）と同一の１枚布
で一体に帯状に延設されて４本ずつの帯状体（９）…
（９）が形成されている。この帯状体（９）…（９）は
図５に示す如く、互いに対向する補強布（３），（６）
のもの同士がその端部（１０）…（１０）を縫合され
て、インフレータ（図示せず）からのガス噴出方向への
エアバッグ本体（１）の伸張を制限するストラップ（１
１）…（１１）に形成されている。As shown in FIG. 3, this airbag has two reinforcing cloths (3) and (4) near the inner top (2) of the bag body (1) and near the inner base (5). Three reinforcing cloths (6), (7) and (8) are sewn on each.
And these reinforcing cloths (3), (4), (6) to (8)
Among them, in the reinforcing cloths (3) and (6) on the bag body (1) side or near the bag body, as shown in FIG. 5, four peripheral portions thereof are respectively referred to as the reinforcing cloths (3) and (6). 4 strips (9) ...
(9) is formed. As shown in FIG. 5, the strips (9) ... (9) have reinforcing cloths (3), (6) facing each other.
The straps (1) for restricting the extension of the airbag body (1) in the gas ejection direction from the inflator (not shown) are sewn together at their ends (10) ... (10).
1) ... (11).
【００１３】このエアバッグは、基部（５）にインフレ
ータが取着されて車両のハンドルの中心部に折り畳み収
納される。そして、走行中の車両が衝突したとき、衝撃
が所定以上である場合に、電気信号等によりインフレー
タからガスが噴出して瞬時にこのエアバッグが膨張し運
転者が保護する。この場合、エアバッグはインフレータ
からの噴出ガスにより、１次的に運転者を方向に伸張し
ようとするが、エアバッグ内部に設けられたストラップ
（１１）…（１１）が前記の通りこの動きを規制する。In the airbag, an inflator is attached to a base portion (5), and the airbag is folded and stored in a central portion of a steering wheel of a vehicle. When the traveling vehicle collides with the vehicle, if the impact is more than a predetermined value, gas is ejected from the inflator by an electric signal or the like and the airbag is instantly inflated to protect the driver. In this case, the airbag primarily tries to extend the driver in the direction by the gas ejected from the inflator, but the straps (11) ... (11) provided inside the airbag perform this movement as described above. regulate.
【００１４】一方、本発明のエアバッグの製造方法は、
かかるストラップ（１１）…（１１）の作成時に係るも
ので、図１、図２にその詳細を示す。即ち、図２に示す
ように、ストラップ（１１）を構成する帯状体（９
ａ），（９ｂ）には、その先端部に、該先端部から両側
に突出させてセット穴（１２）…（１２）を有するフラ
ップ（１３）…（１３）が形成されている。On the other hand, the method of manufacturing an airbag according to the present invention is
It relates to the production of the straps (11) ... (11), and details thereof are shown in FIGS. 1 and 2. That is, as shown in FIG. 2, the strip (9) that constitutes the strap (11) is formed.
Flaps (13) ... (13) having set holes (12) ... (12) are formed at the tips of a) and (9b) so as to project from the tips to both sides.
【００１５】他方、図１に示すものは本発明方法に使用
する縫製用治具であり、この治具は、少なくとも縫製部
（Ｈ）以上のスペースをもって穿設された縫合用透孔
（１４），（１４）を有する１対の板状体（１５），
（１５）からなる。板状体（１５），（１５）はその１
側において回動自在に接続されると共に、同図右半に示
す如く縫合用に重ね合わせた帯状体（９ａ），（９ｂ）
の前記セット穴（１２）…（１２）に対応して、その合
わせ面に位置決めピン（１６ａ）…（１６ｂ）が設けら
れている。On the other hand, what is shown in FIG. 1 is a sewing jig used in the method of the present invention. This jig has a through hole (14) for sewing which is formed with a space of at least the sewing portion (H) or more. , A pair of plate-like bodies (15) having (14),
It consists of (15). The plate-like bodies (15) and (15) are part 1
Bands (9a) and (9b) that are rotatably connected on the side and overlapped for sewing as shown in the right half of the figure.
Positioning pins (16a) ... (16b) are provided on the mating surfaces corresponding to the set holes (12) ... (12).
【００１６】しかして、本発明方法によれば、先ず、上
記縫製用治具の位置決めピン（１６ａ），（１６ａ）
に、片方の帯状体（９ａ）のセット穴（１２），（１
２）を嵌挿する。次に、もう片方の帯状体（９ｂ）のセ
ット穴（１２），（１２）を残りの位置決めピン（１６
ｂ），（１６ｂ）に嵌挿し、のち治具の板状体（１
５），（１５）を閉じて帯状体（９ａ），（９ｂ）を挟
み込み、前記した縫合用透孔（１４），（１４）からこ
れら帯状体端部同士を自動縫製によって縫合する。According to the method of the present invention, first, the positioning pins (16a), (16a) of the sewing jig are firstly provided.
Then, the set holes (12), (1
Insert 2). Next, the set holes (12) and (12) of the other strip (9b) are inserted into the remaining positioning pins (16).
b) and (16b), and then the jig plate (1
5) and 15 are closed, the strips 9a and 9b are sandwiched, and the ends of the strips are sewn by automatic sewing through the through holes 14 and 14 for stitching.
【００１７】即ち、上記本発明実施例の方法によれば、
ストラップ（１１）を形成する帯状体（９ａ），（９
ｂ）の重ね合わせ位置が正確に決められると共に、縫合
時においても、これら帯状体（９ａ），（９ｂ）が縫製
用治具によって適切な状態で固定されることから、帯状
体端部のミシン等の機械による縫製自動化を可能ならし
め、エアバッグの製造コストを大きく低減させることが
できる。That is, according to the method of the embodiment of the present invention,
Bands (9a), (9) forming the strap (11)
Since the overlapping position of b) is accurately determined, and these band-shaped bodies (9a) and (9b) are fixed in an appropriate state by the sewing jig even during sewing, the sewing machine at the end of the band-shaped body is fixed. It is possible to automate sewing by a machine such as the above, and it is possible to greatly reduce the manufacturing cost of the airbag.
【００１８】以上、本発明の実施例を説明したが、セッ
ト穴（１２）が設けられる帯状体（９）のフラップ（１
３）は、縫合作業が完了した後も特に切除する必要はな
く、従って、このフラップの存在による余分な工数は発
生することはない。The embodiment of the present invention has been described above. The flap (1) of the belt-like body (9) provided with the set hole (12) is described above.
In the case of 3), it is not necessary to particularly cut out even after the suturing work is completed, and therefore, the extra man-hours do not occur due to the presence of this flap.
【００１９】[0019]
【発明の効果】以上説明したように、本発明のエアバッ
グの製造方法は、エアバッグのストラップを対向する補
強布から延設した帯状体端部同士を縫合することにより
作成するに際し、縫製用治具の位置決めピンに、上記帯
状体端部に設けたセット穴を嵌挿し、のち上記治具にて
該帯状体を固定した状態で該治具の縫合用透孔からこれ
ら帯状体を縫合するものであり、帯状体端部に設けたセ
ット穴と縫製用治具の位置決めピンとによって、ストラ
ップを形成する帯状体の重合位置が正確に決められると
共に、縫合時においても帯状体が上記治具によって適切
に固定されることから、帯状体端部の機械による縫製自
動化を可能ならしめ、エアバッグの製造コストを大幅に
低減しうるとの顕著な実効を奏するものである。As described above, according to the method of manufacturing an airbag of the present invention, when the strap of the airbag is formed by stitching the end portions of the strip-shaped body extending from the opposing reinforcing cloth, A set hole provided at the end of the strip is inserted into the positioning pin of the jig, and then the strip is sewn from the stitching through hole of the jig while the strip is fixed by the jig. The overlapping position of the belt-shaped body forming the strap is accurately determined by the set hole provided at the end of the belt-shaped body and the positioning pin of the sewing jig, and the belt-shaped body is also sewn by the jig during sewing. Since it is properly fixed, it is possible to automate the sewing of the end portion of the band-shaped body by a machine, and it is possible to significantly reduce the manufacturing cost of the airbag, which is a remarkable effect.
【図１】本発明方法に使用する縫製用治具と重合した帯
状体を示す斜視図である。FIG. 1 is a perspective view showing a sewing jig used in a method of the present invention and a belt-shaped body which is superposed.
【図２】本発明方法に係る帯状体端部を示す斜視図であ
る。FIG. 2 is a perspective view showing an end portion of a belt-shaped body according to the method of the present invention.
【図３】本発明の製造方法によって製造した運転席用エ
アバッグを示す断面図である。FIG. 3 is a cross-sectional view showing a driver-side airbag manufactured by the manufacturing method of the present invention.
【図４】図３に示すエアバッグの斜視図である。FIG. 4 is a perspective view of the airbag shown in FIG.
【図５】図３に示すエアバッグを表裏逆に裏返した斜視
図である。5 is a perspective view in which the airbag shown in FIG. 3 is turned upside down.
（１） エアバッグ本体 （２） 内側頂部 （３）（４）（６）〜（８）補強布 （５） 内側基部 （９）（９ａ）（９ｂ） 帯状体 （１０） 端部 （１１） ストラップ （１２） セット穴 （１３） フラップ （１４） 縫合用透孔 （１５） 板状体 （１６ａ）（１６ｂ） 位置決めピン （Ｈ） 縫製部 (1) Airbag body (2) Inner top (3) (4) (6) to (8) Reinforcing cloth (5) Inner base (9) (9a) (9b) Band (10) End (11) Strap (12) Set hole (13) Flap (14) Through hole for stitching (15) Plates (16a) (16b) Positioning pin (H) Sewing part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 大西 治 愛知県西加茂郡三好町大字打越字生賀山３ 番地東洋ゴム工業株式会社自動車部品技術 センター内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Osamu Onishi Osamu Osamu, Miyoshi Town, Nishikamo-gun, Aichi 3rd Ikagayama, Toyo Tire & Rubber Co., Ltd.
Claims (1)
付近と内側基部付近とに取着した補強布の夫々の一部を
一体に延設して帯状体を設けると共に、これら帯状体端
部を対向する補強布の帯状体端部と縫合することにより
エアバッグの展開形状を規制するストラップを形成せし
めた車両用エアバッグにおいて、上記帯状体の各先端部
に、該先端部から両側に突出させてセット穴を有するフ
ラップを形成し、一方、縫合用透孔を有する１対の板状
体の合わせ面に、縫合用に重ね合わせた帯状体の上記セ
ット穴に対応させ位置決めピンを設けて縫製用治具とな
し、縫合する帯状体の各セット穴をこの治具の位置決め
ピンに嵌挿し、のち該治具の板状体を閉じ、前記縫合用
透孔からこれら帯状体端部を縫合することを特徴とする
車両用エアバッグの製造方法。1. A strip-shaped body is provided by integrally extending a part of each of the reinforcing cloths attached to the vicinity of the inner top portion and the vicinity of the inner base portion of the airbag in the expanded shape, and the end portions of these strip-shaped bodies are opposed to each other. In a vehicle airbag in which a strap for restricting the deployment shape of the airbag is sewn to the end portion of the belt-like body of the reinforcing cloth, each tip portion of the belt-like body is made to project to both sides from the tip portion. A flap having a set hole is formed, and on the other hand, a positioning pin is provided on the mating surface of a pair of plate-like bodies having a through hole for stitching so as to correspond to the set hole of the band-shaped body superposed for stitching. A jig is formed by inserting each set hole of the band to be sewn into the positioning pin of this jig, then closing the plate of the jig, and stitching the ends of the band from the through hole for stitching. Of vehicle airbags characterized by Production method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30677691A JP3025853B2 (en) | 1991-10-24 | 1991-10-24 | Manufacturing method of airbag for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30677691A JP3025853B2 (en) | 1991-10-24 | 1991-10-24 | Manufacturing method of airbag for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05116575A true JPH05116575A (en) | 1993-05-14 |
| JP3025853B2 JP3025853B2 (en) | 2000-03-27 |
Family
ID=17961135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30677691A Expired - Fee Related JP3025853B2 (en) | 1991-10-24 | 1991-10-24 | Manufacturing method of airbag for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3025853B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023972A1 (en) * | 1993-04-17 | 1994-10-27 | Phoenix Aktiengesellschaft | Collision protection device, in particular for vehicle passengers |
| JPH07304411A (en) * | 1994-05-11 | 1995-11-21 | Ikeda Bussan Co Ltd | Manufacture of air bag main body for air bag device |
| US5975564A (en) * | 1998-03-24 | 1999-11-02 | Autoliv Asp, Inc. | Flat-sewn partitioned airbag cushion |
| JP2012061999A (en) * | 2010-09-17 | 2012-03-29 | Takata Corp | Airbag, airbag apparatus, and tether sewing method |
-
1991
- 1991-10-24 JP JP30677691A patent/JP3025853B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994023972A1 (en) * | 1993-04-17 | 1994-10-27 | Phoenix Aktiengesellschaft | Collision protection device, in particular for vehicle passengers |
| US5613708A (en) * | 1993-04-17 | 1997-03-25 | Phoenix Airbag Gmbh | Collision protection device, in particular for occupants of vehicles |
| JPH07304411A (en) * | 1994-05-11 | 1995-11-21 | Ikeda Bussan Co Ltd | Manufacture of air bag main body for air bag device |
| US5975564A (en) * | 1998-03-24 | 1999-11-02 | Autoliv Asp, Inc. | Flat-sewn partitioned airbag cushion |
| JP2012061999A (en) * | 2010-09-17 | 2012-03-29 | Takata Corp | Airbag, airbag apparatus, and tether sewing method |
| US8528935B2 (en) | 2010-09-17 | 2013-09-10 | Takata Corporation | Airbag apparatus and tether sewing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3025853B2 (en) | 2000-03-27 |
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