JP2001277973A - Hollow weave air bag foundation cloth and hollow weave air bag - Google Patents
Hollow weave air bag foundation cloth and hollow weave air bagInfo
- Publication number
- JP2001277973A JP2001277973A JP2000097405A JP2000097405A JP2001277973A JP 2001277973 A JP2001277973 A JP 2001277973A JP 2000097405 A JP2000097405 A JP 2000097405A JP 2000097405 A JP2000097405 A JP 2000097405A JP 2001277973 A JP2001277973 A JP 2001277973A
- Authority
- JP
- Japan
- Prior art keywords
- airbag
- base fabric
- warp
- bag
- woven
- 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)
- Woven Fabrics (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は自動車用***品の
１つであるエアバッグに用いる袋織りエアバッグ基布と
袋織りエアバッグに関し、詳しくは、輸送車両における
搭乗者を正面保護または側面保護するために特に有益な
袋織りエアバッグ基布とこれを用いた袋織りエアバッグ
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bag-woven airbag base fabric and a bag-woven airbag used for an airbag, which is one of safety parts for automobiles, and more particularly, to a front protection or a side protection for a passenger in a transportation vehicle. And a bag-woven airbag using the same.
【０００２】[0002]
【従来の技術】近年、自動車用***品の１つとして、
エアバッグは乗員の安全意識の向上に伴い、急速に装着
率が向上している。エアバッグは、自動車の衝突事故の
際、衝撃をセンサーが感知することにより、インフレー
タ―から高温、高圧のガスを発生させ、このガスによっ
てエアバッグを急激に展開させて、乗員保護に役立たせ
るものである。2. Description of the Related Art In recent years, as one of safety parts for automobiles,
The mounting rate of airbags is rapidly increasing as occupants' safety awareness increases. Airbags are used to generate high-temperature, high-pressure gas from the inflator when a sensor detects an impact in the event of an automobile collision, and this gas is used to rapidly deploy the airbag to help protect occupants. It is.
【０００３】従来、エアバッグとしては運転席、助手席
正面からの衝突時に乗員を保護するものが装着されてき
たが、最近では側部からの衝突にも対応できるエアバッ
グが開発されてきた。[0003] Conventionally, airbags that protect the occupant in the event of a collision from the front of the driver's seat or front passenger seat have been installed. Recently, airbags that can cope with a collision from the side have been developed.
【０００４】運転席用、助手席用のエアバッグは、従来
２枚のエアバッグ基布を縫製することによって作製され
ている。しかし、最近エアバッグの性能向上および製造
コストの削減要請から、製織段階でバッグを形成するこ
とができる袋織り技術が注目されてきた。[0004] Airbags for the driver's seat and the passenger's seat are conventionally manufactured by sewing two airbag base fabrics. However, recently, due to demands for improving the performance of airbags and reducing manufacturing costs, attention has been paid to bag-weaving techniques that can form bags at the weaving stage.
【０００５】また、側面保護用エアバッグは、自動車の
ロールオーバーを想定している場合が多く、運転席用、
助手席用のエアバッグとは異なり、展開後に内圧保持時
間を数秒からｌ０秒程度確保する必要があるとされてい
る。それによって車両がロールオーバー中にも、乗員の
頭部を保護できるように設計されている。展開後に内圧
保持時間を確保する必要性から、織物本体からのガス漏
れを防がなければならないが、縫製品では縫い目からの
空気漏れがあるため実用的ではない。そこで、袋織りエ
アバッグ基布に表面コーティングしているのが現状であ
る。[0005] In addition, side protection airbags are often designed for rollover of automobiles,
Unlike airbags for passenger seats, it is said that it is necessary to secure an internal pressure holding time of several seconds to 10 seconds after deployment. It is designed to protect the occupant's head even when the vehicle rolls over. Gas leakage from the woven fabric body must be prevented due to the necessity of securing the internal pressure holding time after deployment, but it is not practical for sewn products due to air leakage from the seam. Then, it is the present condition to coat the surface of the woven airbag base fabric.
【０００６】ところで、最近は車両の軽量、コンパクト
化に伴い、エアバッグの収納スペースが小さくなる方向
へ進んでいる。そのため、エアバッグ基布自体の軽量、
コンパクト化はもちろんのこと、エアバッグ基布の良好
な折り畳み収納性が要求されている。[0006] Recently, as vehicles become lighter and more compact, the storage space for airbags is becoming smaller. Therefore, lightweight of the airbag base fabric itself,
It is required that the airbag base fabric be well folded and stored as well as compact.
【０００７】運転席用および助手席用の袋織りエアバッ
グの場合、数秒から１０秒程度の内圧保持が不必要なた
め、通常軽量、コンパクト化を目的としてノンコート布
が用いられ、低通気性の高密度織物が必要とされる。し
かも、運転席用、助手席用、側面保護用のどの袋織りエ
アバッグも、展開した際に１重部と２重部の目ずれ部か
らの空気漏れや、インフレーターからの残さの飛び出し
が大きな問題となっており、この問題を解決するために
も高密度織物が必要とされている。[0007] In the case of a bag-woven airbag for a driver's seat and a passenger's seat, since an internal pressure is not required to be maintained for several seconds to about 10 seconds, a non-coated cloth is usually used for the purpose of light weight and compactness, and low air permeability. High density fabrics are required. In addition, all airbags for the driver's seat, the passenger's seat, and the side protection have large leakage of air from the misalignment between the single and double parts when the airbags are deployed, and a large amount of residue from the inflator. It is a problem, and a high-density fabric is needed to solve this problem.
【０００８】[0008]
【発明が解決しようとする課題】しかしながら、全ての
経糸がｌ重部を有する袋織りエアバッグ基布の場合、１
重部は２重部と比較して単位面積当たりの経糸本数が約
２倍となり、基布の硬さが増すため、エアバッグを収納
する際に、折りぐせが付け難く、折り畳み性が低下し、
収納性が悪くなるという問題がある。特に、高密度織物
の場合、この傾向は顕著になる。However, in the case of a bag-woven airbag base fabric in which all the warp yarns have one doubled portion, the following problems are encountered.
Since the number of warp yarns per unit area is about twice as large as that of the double part and the hardness of the base fabric is increased, it is difficult to fold the airbag when storing the airbag, and the foldability decreases. ,
There is a problem that the storage property is deteriorated. In particular, in the case of a high-density woven fabric, this tendency becomes remarkable.
【０００９】そこで本発明は、上記従来技術の有する袋
織りエアバッグ基布の問題点、特にエアバッグの収納
性、折り畳み性に関する問題点を解決し、高品質の袋織
りエアバッグ基布とこれを用いた袋織りエアバッグを提
供することを目的とする。Accordingly, the present invention solves the problems of the above-mentioned prior art bag-woven airbag base fabric, particularly the problems relating to the storage and foldability of the airbag, and provides a high-quality bag-woven airbag base fabric. It is an object of the present invention to provide a woven airbag using the same.
【００１０】[0010]
【課題を解決するための手段】上記課題を達成するため
に、本発明者らは鋭意研究した結果、以下に記す特徴を
持つ本発明の袋織りエアバッグ基布を完成するに至っ
た。Means for Solving the Problems In order to achieve the above object, the inventors of the present invention have conducted intensive studies, and as a result, have completed a bag-woven airbag base fabric of the present invention having the following features.
【００１１】本発明に係る袋織りエアバッグ基布の特徴
構成は、布帛を袋織りによって結合し形成された袋部を
有するエアバッグ基布であって、前記袋部（２重部）を
取り囲むように形成される接結１重組織（１重部）の外
周部または内周部の少なくとも一方に、エアバッグ作動
時に膨張しない２重部を有することにある。The characteristic structure of the bag-woven airbag base fabric according to the present invention is an airbag base fabric having a bag portion formed by joining fabrics by bag weaving, and surrounding the bag portion (double portion). At least one of the outer peripheral portion and the inner peripheral portion of the connection single-structure (single portion) formed as described above has a double portion that does not expand when the airbag is activated.
【００１２】この構成によれば、エアバッグ作動時に膨
張しない２重部の存在によって、折り畳み作業性が一層
良好になり、折りぐせが容易に付き、折り畳んだエアバ
ッグが嵩高くならない。従って、エアバッグを収納スペ
ースヘ収納する際の収納性に優れており、さらに、エア
バッグ折り畳み工程の作業性を向上させることができ
る。According to this configuration, the presence of the double portion that does not inflate when the airbag is activated further improves the folding workability, facilitates folding, and does not increase the volume of the folded airbag. Therefore, the airbag is excellent in the storage property when storing the airbag in the storage space, and the workability in the airbag folding step can be improved.
【００１３】その結果、エアバッグを収納する際に、折
りぐせが付け難く、折り畳み性が低下し、収納性が悪く
なるといった従来技術の有する問題点を確実に解消で
き、エアバッグの収納性、折り畳み性に優れ、高品質の
袋織りエアバッグ基布を提供することができた。As a result, when storing the airbag, it is possible to reliably solve the problems of the prior art, such as difficulty in folding, lowering the foldability, and lowering the storage performance. It is possible to provide a high-quality woven airbag base fabric which is excellent in foldability.
【００１４】エアバッグ作動時に膨張しない前記２重部
が、エアバッグの折り畳みパターンや折り畳み間隔に合
わせて形成されていることが好ましい。It is preferable that the double portion which does not expand when the airbag is operated is formed in accordance with a folding pattern or a folding interval of the airbag.
【００１５】この構成によれば、２重部を介して折り畳
むことができて、折り畳み性に一層優れたものとなって
都合がよい。According to this configuration, the foldable portion can be folded through the double portion, and the foldability is further improved, which is convenient.
【００１６】更に、前記接結１重組織の外周部に、経糸
方向のどの部分でも１重部を持たない経糸個所または緯
糸方向の少なくとも一方のどの部分でも１重部を持たな
い緯糸個所を有することが好ましい。Furthermore, a warp portion having no single portion in any portion in the warp direction or a weft portion having no single portion in at least one of the portions in the weft direction is provided on an outer peripheral portion of the binding single structure. Is preferred.
【００１７】この構成によれば、ビームからの経糸ある
いは緯糸に緩みが生じ難くなって製織性が安定し、良好
となって都合がよい。According to this configuration, the warp or the weft from the beam is unlikely to be loosened, so that the weaving property is stabilized and good, which is convenient.
【００１８】経糸方向のどの部分でも１重部を持たない
経糸個所または緯糸方向の少なくとも一方のどの部分で
も１重部を持たない経糸個所の本数が、エアバッグ１柄
における全経糸または全緯糸の少なくとも一方の本数の
３０％以下であることが好ましい。The number of warp portions having no single portion in any portion in the warp direction or the number of warp portions having no single portion in at least one of the portions in the weft direction is equal to the number of all warps or all wefts in one pattern of the airbag. It is preferable that the number is 30% or less of at least one of the number.
【００１９】この構成によれば、ビームからの経糸ある
いは緯糸に緩みが生じ難くなるので、製織性が安定し良
好となって都合がよい。製織性のより一層の安定のた
め、２０％以下であることが好ましく、１０％以下であ
ると更に好ましい。According to this structure, since the warp or the weft from the beam is less likely to be loosened, the weaving property is stabilized and improved, which is convenient. For further stabilization of the weaving property, it is preferably at most 20%, more preferably at most 10%.
【００２０】前記袋部を取り囲むように形成される接結
１重組織の外周部における一部の経糸または緯糸の少な
くとも一方が、エアバッグを折り畳む間隔に合わせて、
経糸方向または緯糸方向の少なくとも一方のどの部分も
１重部を持たないことが好ましい。[0020] At least one of a part of the warp or the weft at the outer periphery of the binding single layer formed so as to surround the bag portion is adjusted in accordance with the interval at which the airbag is folded.
Preferably, at least one of the warp direction and the weft direction does not have a single portion.
【００２１】この構成によれば、折り畳み作業性が向上
し、折り畳みぐせも付き易く、そのため、エアバッグ折
り畳み後の嵩も低くすることが可能であり、エアバッグ
の収納性を向上させることができて都合がよい。According to this configuration, the operability of folding is improved, and it is easy to be folded, so that the bulk after folding of the airbag can be reduced, and the storage capacity of the airbag can be improved. It is convenient.
【００２２】更に、本発明に係る袋織りエアバッグの特
徴構成は、請求項１〜５のいずれか１の袋織りエアバッ
グ基布を用いたことにある。Further, a characteristic configuration of the woven airbag according to the present invention is that the woven airbag base fabric according to any one of claims 1 to 5 is used.
【００２３】この構成によれば、収納する際に、折りぐ
せが付け難く、折り畳み性が低下し、収納性が悪くなる
といった従来技術の有する問題点を確実に解消でき、収
納性、折り畳み性に優れ、高品質の袋織りエアバッグを
提供することができる。According to this configuration, it is possible to reliably solve the problems of the prior art, such as difficulty in folding, lowering the foldability, and worsening the storability, when storing the storable body. An excellent and high quality woven airbag can be provided.
【００２４】[0024]
【発明の実施の形態】本発明の袋織りエアバッグ基布を
構成する原糸は、特に素材を限定するものではないが、
ナイロン６６、ナイロン６、ナイロン４６、ナイロン１
２などの脂肪族ポリアミド繊維、アラミド繊維のような
芳香族ポリアミド繊維、ポリエチレンテレフタレートや
ボリブチレンテレフタレート等のホモポリエステルが使
用される。他には全芳香族ポリエステル、超高分子量ポ
リエチレン繊維、ＰＰＳ繊維、ポリエーテルケトン繊維
などを使用することもできる。もっとも、経済性を勘案
するとポリエステル繊維、ポリアミド繊維（ナイロン６
６、ナイロン６、ナイロン４６）が好ましい。更に、こ
れらの合成繊維には、原糸製造工程や後加工工程での工
程通過性を向上させるため、酸化防止剤、熱安定剤、平
滑剤、帯電防止剤、増粘剤、難燃剤などの各種添加剤が
含有されていてもよい。DESCRIPTION OF THE PREFERRED EMBODIMENTS The yarn constituting the base fabric of the woven airbag of the present invention is not particularly limited in its material,
Nylon 66, Nylon 6, Nylon 46, Nylon 1
2, aromatic polyamide fibers such as aramid fibers, and homopolyesters such as polyethylene terephthalate and polybutylene terephthalate. Alternatively, a wholly aromatic polyester, an ultrahigh molecular weight polyethylene fiber, a PPS fiber, a polyetherketone fiber, or the like can be used. However, in consideration of economy, polyester fiber and polyamide fiber (nylon 6
6, nylon 6, nylon 46) are preferred. Furthermore, these synthetic fibers include antioxidants, heat stabilizers, leveling agents, antistatic agents, thickeners, flame retardants, etc., in order to improve the processability in the yarn production process and post-processing process. Various additives may be contained.
【００２５】通気度低下や目ずれ防止のために用いるコ
ート剤としては特に限定されるものではなく、クロロプ
レン、クロロスルホン化オレフィン、シリコーンなどの
合成ゴムを塗付したり、またはゴム状のものを接着剤を
介してラミネートしてもよい。The coating agent used for preventing the air permeability from lowering and misalignment is not particularly limited, and a synthetic rubber such as chloroprene, chlorosulfonated olefin, silicone, or the like, or a rubber-like material may be used. Lamination may be performed via an adhesive.
【００２６】また、製織の際に使用される織機について
も特に限定はなく、例えばウォータージェットルーム、
エアジェットルーム、レピアルーム、プロジェクタイル
ルームなどが使用される。もっとも、繊生産性、経糸へ
のダメージ、糸汚れなどを考慮すると、ウォータージェ
ットルーム、エアジェットルームを使用することが特に
好ましい。There is no particular limitation on the loom used in weaving, for example, a water jet loom,
An air jet room, a rapier room, a projector room, and the like are used. However, it is particularly preferable to use a water jet loom or an air jet loom in consideration of fiber productivity, damage to the warp yarn, yarn contamination, and the like.
【００２７】袋織りの柄を決定する際には、ジャカード
装置やドビー装置が用いられる。特に複雑な柄出しをす
るためには、ジャカード装置（電子式、機械式）が必要
となり、更に生産性、柄変更の容易さを考慮すると電子
式ジャカード装置が好ましい。A jacquard device or a dobby device is used for determining the weave pattern. In particular, a jacquard device (electronic type or mechanical type) is required to perform complicated patterning, and an electronic jacquard device is preferable in consideration of productivity and ease of pattern change.
【００２８】以下、本発明の袋織りエアバッグ基布の好
ましい例を、図面を参照して詳述する。Hereinafter, preferred examples of the bag-woven airbag base fabric of the present invention will be described in detail with reference to the drawings.
【００２９】図１に示す基布は、袋織り部（２重部）で
あるＡ部と、接結一重部の外周部であるＢ部と、エアバ
ッグ作動時に膨張しない袋織り部（２重部）であるＣ部
と、Ａ部の袋織り部を形成するために必要な１重部（接
結１重部）であるＤ部と、から構成されている。Ｂ部で
ある外周部は袋織り組織（２重部作成組織）でなけれ
ば、基本的にはいかなる組織で織構成されていてもよ
い。Ｃ部の経糸は４本を基本単位としてｌ単位以上から
組織されていて、約２ｍｍ以上の幅を有する。また、Ｃ
部の経糸単位数は１〜１２単位であり、より好ましくは
１〜１０単位である。図中、ａはＣ部の中央部間の距離
を示しており、エアバッグを収納する際に折り畳む間隔
に合わせることが好ましく、また、ｂはＤ部の幅を示
し、エアバッグ展開時に目ずれが起こらないようｌ０ｍ
ｍ以上であることが好ましい。The base fabric shown in FIG. 1 has a bag woven portion (double portion), a portion A which is an outer peripheral portion of a single joining portion, and a bag woven portion (double portion) which does not expand when the airbag is activated. C), and a D portion, which is a single portion (coupling single portion) required to form the woven portion of the A portion. The outer peripheral portion, which is the portion B, may basically be woven with any structure as long as it is not a bag-woven structure (double-part preparation structure). The warp in section C is organized from 4 units or more with 4 units as a basic unit, and has a width of about 2 mm or more. Also, C
The number of warp units in the portion is 1 to 12 units, more preferably 1 to 10 units. In the drawing, a indicates the distance between the center portions of the C portion, and it is preferable to match the distance between the folded portions when storing the airbag, and b indicates the width of the D portion, and the misalignment occurs when the airbag is deployed. 10m so that no
m or more.
【００３０】図１中の点線部分（ＩＶ線ー断面）の断面
模式図を図４に示す。簡単化のため、図中Ｂ部、Ｄ部は
平織りの組織で表している。FIG. 4 is a schematic cross-sectional view of a dotted line portion (a cross section taken along the line IV) in FIG. For the sake of simplicity, the portions B and D in the figure are represented by plain weave structures.
【００３１】図２は、図１の袋織りエアバッグ基布の変
形例を示し、基本的な基布構成は図１に示すものと同じ
であるが、図１の基布に比べてＣ部の割合が少ない（図
２の紙面に対してＡ部の縦方向位置にはＢ部のみ存在
し、Ｃ部は存在しない）という相違がある。FIG. 2 shows a modified example of the woven airbag base fabric shown in FIG. 1. The basic fabric configuration is the same as that shown in FIG. Is small (only part B is present in the vertical position of part A with respect to the paper surface of FIG. 2, and part C is not present).
【００３２】図３は、比較のため従来技術に係る袋織り
エアバッグ基布の平面構造を示す。この袋織りエアバッ
グ基布は、図ｌ、図２と同様に袋織り部（２重部）であ
るＡ部と、接結１重部の外周部であるＢ部と、袋織り部
を形成するために必要な１重部（すなわち接結ｌ重部）
であるＤ部とを有するが、図１、図２に存在するＣ部の
袋織り部は存在しない。FIG. 3 shows a plane structure of a conventional airbag base fabric of a woven fabric for comparison. This bag-woven airbag base fabric forms a bag-weaving portion, as shown in FIGS. 1 and 2, a portion A which is a bag-weaving portion (double portion), a portion B which is an outer peripheral portion of a single joining portion and a bag-weaving portion. Single part (ie, binding one part) necessary to perform
However, the woven portion of the portion C shown in FIGS. 1 and 2 does not exist.
【００３３】図３に示す従来例の場合、Ｂ部の基布曲げ
硬さが増し、折り畳み作業性が悪くなり、かつ折り畳み
ぐせが付きにくいため、折り畳み後も嵩高くなり、エア
バッグの収納性が悪くなる。In the case of the prior art shown in FIG. 3, the bending strength of the base cloth at the portion B is increased, the folding workability is deteriorated, and the folding work is difficult to be performed. Gets worse.
【００３４】また、袋織りエアバッグ基布の全経糸本数
の３０％以上がどの部分でも１重部を持たない経糸であ
った場合、接結ｌ重部の外周部の大半がどの部分でもｌ
重部を持たない経糸となるため、ビームからの経糸が緩
み、製織性が低下する。そのため、本発明の袋織りエア
バッグ基布は、どの部分でも１重部を持たない経糸の割
合が、全経糸本数の３０％以下であることが好ましく、
製織性の安定のため、より好ましくは２０％以下であ
り、更に好ましくは１０％以下である。When 30% or more of the total number of warp yarns of the airbag base fabric is a warp having no single portion in any portion, most of the outer peripheral portion of the binding single portion is in any portion.
Since the warp has no overlapping portion, the warp from the beam is loosened, and the weaving property is reduced. Therefore, in the bag-woven airbag base fabric of the present invention, the ratio of the warp having no single portion in any portion is preferably 30% or less of the total number of warps,
For stable weaving, the content is more preferably 20% or less, and further preferably 10% or less.
【００３５】さらに、エアバッグ収納時の折り畳みパタ
ーンや折り畳み間隔で、図１、図２に存在するようなＣ
部を入れることによって、折り畳み作業性が向上し、折
り畳みぐせも付き易い。そのため、エアバッグ折り畳み
後の嵩も低くすることが可能であり、エアバッグの収納
性を向上させることができる。Further, according to the folding pattern and the folding interval at the time of storing the airbag, C as shown in FIGS.
By inserting the part, the folding workability is improved, and the folding work is easily performed. Therefore, it is possible to reduce the bulk after folding the airbag, and it is possible to improve the storage capacity of the airbag.
【００３６】[0036]
【実施例】以下に実施例をあげて、本発明をさらに詳述
する。以下に示す実施例および比較例における評価は、
次の方法で行い表示した。The present invention will be described in more detail with reference to the following examples. Evaluation in the following Examples and Comparative Examples,
Displayed by the following method.
【００３７】折り畳み性の代用メジャーとして、２つの
方法で評価した。ｌつは、図５に示すように基布を折り
畳み、図５にＸで示す折り畳み点から２０ｍｍ離間した
個所に４００ｇの荷重を置き、その際にできる輪の高さ
Ｌで評価した。Ｌ値が小さい程、折り畳み性が良好であ
ることを示す。この測定の際、折り畳み点は試験布の長
さ方向での中心点であり、実施例１と２、比較例２の場
合はその中心点がＣ部となるようサンプリングを行い、
比較例ｌの場合は、Ｂ部が中心点となるようにサンプリ
ングを行った。また、試験布の幅は５ｃｍとし、荷重重
量が試験布の幅全体へ均一になるよう、底面の大きさは
長さが試験布幅と同じ５ｃｍであるものを使用した。The foldability substitute measure was evaluated in two ways. For one, the base cloth was folded as shown in FIG. 5, and a load of 400 g was placed at a position 20 mm away from the folding point indicated by X in FIG. 5, and the height L of the ring formed at that time was evaluated. The smaller the L value, the better the foldability. At the time of this measurement, the folding point is the center point in the length direction of the test cloth, and in Examples 1 and 2, and in the case of Comparative Example 2, sampling was performed so that the center point was the portion C.
In the case of Comparative Example 1, sampling was performed such that the portion B was the center point. The width of the test cloth was 5 cm, and the size of the bottom face was 5 cm in length, which is the same as the width of the test cloth, so that the load weight becomes uniform over the entire width of the test cloth.
【００３８】もう１つは、上記記載の試験にて使用した
試験布と同様にサンプリングを行い、その基布を折り畳
み、その折り畳み点に荷重を乗せ、上下の基布に隙間が
無くなったときの荷重で評価した。このとき、隙間が無
くなった時点での荷重が小さい程、折り畳み性が良好で
あることを示している。また、この評価に使用した荷重
は、上記記載の試験と同様、荷重重量が試験布の幅全体
へ均―になるように、底面の大きさの長さが試験布幅と
同じ５ｃｍであるものを使用した。In the other case, sampling was performed in the same manner as the test cloth used in the test described above, the base cloth was folded, a load was placed on the folding point, and the gap between the upper and lower base cloths was eliminated. It was evaluated by load. At this time, the smaller the load when the gap disappears, the better the foldability. In addition, the load used in this evaluation is the same as the test described above, and the length of the bottom surface is 5 cm, which is the same as the width of the test cloth, so that the weight of the load becomes even throughout the width of the test cloth. It was used.
【００３９】また、エアバッグ基布の嵩高性の評価とし
て、基布を、経糸方向と平行に一定間隔の綴じ部を有さ
ない経糸部（図１、２のＣ部）でジャバラ状に折り畳
み、その上に５００ｇの荷重を乗せた際の高さを評価し
た。このとき、エアバッグ折り畳み間隔に合わせ、荷重
の径は３ｃｍとした。また、綴じ部のない経糸部を持た
ない基布の場合（図３）は、上記と同じ方法、同じ間隔
でジャバラ状に折り畳んだ。ただし、表示は実施例１の
高さを１００として、他の実施例、比較例を表示してい
る。この評価数値が小さいほど、エアバッグ基布は嵩高
くならず、エアバッグの収納性は良好となる。As an evaluation of the bulkiness of the airbag base fabric, the base fabric is folded in a bellows shape at a warp portion (portion C in FIGS. 1 and 2) having no binding portions at regular intervals in parallel with the warp direction. Then, the height when a load of 500 g was placed thereon was evaluated. At this time, the diameter of the load was 3 cm according to the airbag folding interval. Further, in the case of a base cloth having no warp portion without a binding portion (FIG. 3), the base fabric was folded in bellows at the same method and at the same interval as described above. However, in the display, the height of Example 1 is set to 100, and other Examples and Comparative Examples are displayed. As this evaluation value is smaller, the airbag base fabric does not become bulky, and the storability of the airbag becomes better.
【００４０】製織性は、１時間当たりにおける織機の停
台回数を評価方法とした。これは、停台回数が少ないほ
ど製織性が良好であることを示す。The weaving property was evaluated based on the number of times the loom was stopped per hour. This indicates that the smaller the number of stops, the better the weaving property.
【００４１】（実施例１）経糸および緯糸にナイロン６
６の３５０ｄｔ／１０８ｆをそれぞれ用い、袋織り部
（２重部）の密度を６０本／（２．５４ｃｍ）×５５本
／（２．５４ｃｍ）（経×緯）とし、袋織り部の大きさ
を６００ｍｍ×３００ｍｍ（経方向×緯方向）とした図
１に示す構成からなる袋織りエアバッグ基布を製織し
た。このとき、図１に示すａの距離を３０ｍｍ、ｂの距
離を３０ｍｍとし、Ｃ部の袋織り部（２重部）は経糸４
本を基本単位として、その単位３つで組織される袋織り
部とした（すなわち、経糸をｌ２本使用してＣ部は構成
されている）。そのとき、Ｃ部経糸の全経糸本数に対す
る割合は７．９％となった。この実施例における製織性
は良好であり、かつ得られた基布の品位も良好であっ
た。Example 1 Nylon 6 was used for warp and weft.
6, 350 dt / 108f, and the density of the bag weave portion (double portion) was 60 / (2.54 cm) × 55 / (2.54 cm) (warp × weft), and the size of the bag weave portion Was woven into a bag-woven airbag base fabric having a configuration shown in FIG. At this time, the distance of a shown in FIG. 1 is 30 mm, the distance of b is 30 mm, and the woven portion (double portion) of the portion C is the warp 4.
The book was used as a basic unit to form a bag-weaving section organized by three of the units (that is, the C section was constituted by using 12 warps). At that time, the ratio of the C section warp to the total number of warp was 7.9%. The weaving property in this example was good, and the quality of the obtained base fabric was also good.
【００４２】（実施例２）図２の基布構成を用いた以外
は、実施例１と同様の条件で袋織りエアバッグ基布の製
織を行った。また、Ｃ部の割合を２．８％とした。Example 2 A woven airbag fabric was woven under the same conditions as in Example 1 except that the fabric structure shown in FIG. 2 was used. Further, the ratio of the portion C was 2.8%.
【００４３】（比較例ｌ）図３の基布構成を用いた以外
は、実施例ｌと同様の条件で袋織りエアバッグ基布の製
織を行った。(Comparative Example 1) A woven airbag base fabric was woven under the same conditions as in Example 1 except that the base fabric configuration shown in FIG. 3 was used.
【００４４】（比較例２）実施例１と同じ基布構成であ
るが、Ｃ部が１５単位（経糸６０本）からなり、どの部
分でも綴じ部を持たない経糸は全経糸本数の約４０％で
あった。(Comparative Example 2) The same base fabric construction as in Example 1, but the C portion is composed of 15 units (60 warp yarns), and the warp yarn having no binding portion in any part is about 40% of the total number of warp yarns. Met.
【００４５】上記各袋織りエアバッグ基布について、そ
の特性を評価した結果を表ｌに示す。Table 1 shows the results of evaluating the characteristics of each of the above-mentioned airbag fabrics.
【００４６】[0046]
【表１】 表１から明らかなように、実施例ｌ、２の場合は、折り
畳み性の代用メジャーであるＬ値での高さが小さく、し
かも隙間が無くなる荷重も小さいことから、袋織りエア
バッグ基布の折り畳み性は良好であることがわかる。ま
た、実施例ｌの場合、エアバッグ基布の嵩高性評価に関
しても低い値を示しているため、本実施例の袋織りエア
バッグ基布は嵩高くならず、エアバッグの収納性は大変
良好となる。[Table 1] As is clear from Table 1, in the case of Examples 1 and 2, the height at the L value, which is a foldability substitute measure, is small, and the load for eliminating the gap is small. It can be seen that the foldability is good. In addition, in the case of Example 1, since the value of the bulkiness evaluation of the airbag base fabric is also low, the woven airbag base fabric of this embodiment does not become bulky, and the airbag storage property is very good. Becomes
【００４７】実施例２の場合は、嵩高性評価こそ実施例
１に劣るものの、折り畳み作業性や、折りぐせの付き易
さの点からエアバッグの収納性は良好と言える。In the case of the second embodiment, although the evaluation of the bulkiness is inferior to that of the first embodiment, it can be said that the airbag storage property is good in terms of the folding workability and the ease of folding.
【００４８】これに対し、図３の構成で作成された比較
例ｌの場合、実施例ｌ、２に存在するＣ部が存在しない
ため、折り畳み性の代用メジャーであるＬ値での高さが
大きく、しかも、隙間が無くなる荷重も大きいことか
ら、袋織りエアバッグ基布の折り畳み性は不良であるこ
とがわかる。また、比較例１の場合、エアバッグ基布の
嵩高性評価に関しても高い値を示しているため、比較例
１の袋織りエアバッグ基布は嵩高くなり、エアバッグの
収納性は不良となる。On the other hand, in the case of the comparative example 1 created by the configuration of FIG. 3, since the C portion existing in the examples 1 and 2 does not exist, the height at the L value, which is a foldability substitute measure, is reduced. Since the load is large and the load for eliminating the gap is large, it can be seen that the foldability of the base fabric of the woven airbag is poor. In addition, in the case of Comparative Example 1, since the bulkiness evaluation of the airbag base fabric also shows a high value, the woven airbag base fabric of Comparative Example 1 becomes bulky and the airbag storage property becomes poor. .
【００４９】比較例２の場合、実施例１、２と同様Ｃ部
を有しているため、エアバッグの折り畳み作業性や、折
りぐせの付き易さなどは良好であり、エアバッグの収納
性も良好であるが、エアバッグ基布製織の際の停台回数
が多く、製織性が悪い。In the case of Comparative Example 2, since the C portion is provided as in the case of Examples 1 and 2, the workability of folding the airbag and the ease with which the airbag can be folded are good, and the storage property of the airbag is good. Is good, but the number of stops during weaving of the airbag base fabric is large, and the weavability is poor.
【００５０】[0050]
【発明の効果】本発明の袋織りエアバッグ基布は、袋部
（２重部）を取り囲むように形成される接結１重部（ｌ
重部）の外周部において、エアバッグ作動時に膨張しな
い袋部（図１、２のＣ部に相当）を有することによっ
て、さらに、この袋部が好ましくはエアバッグ折り畳み
間隔に合わせて存在することによって、折り畳み作業性
が一層良好になり、折りぐせが容易に付き、折り畳んだ
エアバッグが嵩高くならない。その結果、エアバッグを
収納スペースヘ収納する際の収納性に優れており、さら
に、エアバッグ折り畳み工程の作業性を向上させる袋織
りエアバッグ基布となる。The bag-woven airbag base fabric of the present invention has a binding single part (l) formed so as to surround a bag part (double part).
The air bag has a bag portion (corresponding to a portion C in FIGS. 1 and 2) that does not inflate when the air bag is activated at the outer peripheral portion of the air bag portion. Thereby, the folding workability is further improved, the folding work is easily performed, and the folded airbag does not become bulky. As a result, the airbag base fabric is excellent in storability when the airbag is stored in the storage space, and further improves the workability of the airbag folding step.
【図１】本発明による袋織りエアバッグ基布の一例を示
す平面図FIG. 1 is a plan view showing an example of a woven airbag base fabric according to the present invention.
【図２】本発明による袋織りエアバッグ基布の変形例を
示す平面図FIG. 2 is a plan view showing a modified example of the woven airbag fabric according to the present invention.
【図３】従来技術の袋織りエアバッグ基布の一例を示す
平面図FIG. 3 is a plan view showing an example of a conventional bag-woven airbag fabric.
【図４】図ｌの破線部拡大断面模式図FIG. 4 is an enlarged cross-sectional schematic view of a broken line portion in FIG.
【図５】Ｌ値評価方法の説明図FIG. 5 is an explanatory diagram of an L value evaluation method.
Ａ 袋部（２重部） Ｂ 外周部 Ｃ エアバッグ作動時に膨張しない２重部 Ｄ 接結１重部 A bag part (double part) B outer peripheral part C double part which does not inflate when airbag is activated D connecting single part
フロントページの続き (72)発明者 北村 守 滋賀県大津市堅田二丁目１番１号 東洋紡 績株式会社総合研究所内 Ｆターム(参考） 3D054 CC26 CC27 CC45 FF17 4L048 AA24 AB07 BA13 CA13 DA25Continued on the front page (72) Inventor Mamoru Kitamura 1-1-1, Katata, Otsu-shi, Shiga F-term in Toyobo Co., Ltd. Research Laboratory 3D054 CC26 CC27 CC45 FF17 4L048 AA24 AB07 BA13 CA13 DA25
Claims (6)
袋部を有するエアバッグ基布であって、前記袋部（２重
部）を取り囲むように形成される接結１重組織（１重
部）の外周部または内周部の少なくとも一方に、エアバ
ッグ作動時に膨張しない２重部を有することを特徴とす
る袋織りエアバッグ基布。1. An airbag base fabric having a bag portion formed by binding fabrics by bag weaving, wherein the airbag base fabric is formed with a single binding structure (single layer) formed so as to surround the bag portion (double portion). A woven airbag base fabric, characterized in that at least one of the outer peripheral portion and the inner peripheral portion of the portion has a double portion that does not expand when the airbag is activated.
部が、エアバッグの折り畳みパターンや折り畳み間隔に
合わせて形成されている請求項１の袋織りエアバッグ基
布。2. The woven airbag base fabric according to claim 1, wherein the double portion that does not inflate when the airbag is activated is formed in accordance with a folding pattern and a folding interval of the airbag.
のどの部分でも１重部を持たない経糸個所または緯糸方
向の少なくとも一方のどの部分でも１重部を持たない緯
糸個所を有する請求項１の袋織りエアバッグ基布。3. The outer periphery of the binding single layer has a warp portion having no single portion in any portion in the warp direction or a weft portion having no single portion in at least one portion in the weft direction. The airbag base fabric according to claim 1.
い経糸個所または緯糸方向の少なくとも一方のどの部分
でも１重部を持たない経糸個所の本数が、エアバッグ１
柄における全経糸または全緯糸の少なくとも一方の本数
の３０％以下である請求項３の袋織りエアバッグ基布。4. The number of warp portions having no single portion in any portion in the warp direction or the number of warp portions having no single portion in at least one of the portions in the weft direction is equal to the number of the airbag 1.
4. The woven airbag base fabric according to claim 3, wherein the number of at least one of all the warp yarns or all the weft yarns in the handle is 30% or less.
結１重組織の外周部における一部の経糸または緯糸の少
なくとも一方が、エアバッグを折り畳む間隔に合わせ
て、経糸方向または緯糸方向の少なくとも一方のどの部
分も１重部を持たない請求項３の袋織りエアバッグ基
布。5. A warp direction or a weft direction in which at least one of a part of the warp or the weft in an outer peripheral portion of the binding single structure formed so as to surround the bag portion is aligned with an airbag folding interval. 4. The woven airbag fabric of claim 3, wherein at least one of the portions has no single portion.
バッグ基布を用いた袋織りエアバッグ。6. A woven airbag using the woven airbag base fabric according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000097405A JP4258947B2 (en) | 2000-03-31 | 2000-03-31 | Bag-woven airbag base fabric and bag-woven airbag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000097405A JP4258947B2 (en) | 2000-03-31 | 2000-03-31 | Bag-woven airbag base fabric and bag-woven airbag |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2001277973A true JP2001277973A (en) | 2001-10-10 |
| JP4258947B2 JP4258947B2 (en) | 2009-04-30 |
Family
ID=18612032
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000097405A Expired - Fee Related JP4258947B2 (en) | 2000-03-31 | 2000-03-31 | Bag-woven airbag base fabric and bag-woven airbag |
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| Country | Link |
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| JP (1) | JP4258947B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008265454A (en) * | 2007-04-18 | 2008-11-06 | Toyota Motor Corp | Head protective airbag device |
| JP2008265455A (en) * | 2007-04-18 | 2008-11-06 | Toyota Motor Corp | Head protective airbag device |
-
2000
- 2000-03-31 JP JP2000097405A patent/JP4258947B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008265454A (en) * | 2007-04-18 | 2008-11-06 | Toyota Motor Corp | Head protective airbag device |
| JP2008265455A (en) * | 2007-04-18 | 2008-11-06 | Toyota Motor Corp | Head protective airbag device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4258947B2 (en) | 2009-04-30 |
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