JP3114832B2 - High-density woven fabric and method for producing the same - Google Patents
High-density woven fabric and method for producing the sameInfo
- Publication number
- JP3114832B2 JP3114832B2 JP05110621A JP11062193A JP3114832B2 JP 3114832 B2 JP3114832 B2 JP 3114832B2 JP 05110621 A JP05110621 A JP 05110621A JP 11062193 A JP11062193 A JP 11062193A JP 3114832 B2 JP3114832 B2 JP 3114832B2
- Authority
- JP
- Japan
- Prior art keywords
- yarn
- woven fabric
- warp
- ear
- entangled
- 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 - Lifetime
Links
Landscapes
- Woven Fabrics (AREA)
- Looms (AREA)
- Air Bags (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は自動車の衝突事故から乗
員の安全を確保する座席安全装置として用いられている
エアバック装置の構成品であるエアバック(袋体)基布
に関するものであり、低通気性に優れた高密度織物をウ
ォータージェットルームにて製織するための製造方法に
関する。本発明織物は低通気性を要求されるその他の用
途にも適用できる。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airbag (bag) base fabric which is a component of an airbag device used as a seat safety device for ensuring the safety of an occupant from an automobile collision. The present invention relates to a manufacturing method for weaving a high-density woven fabric excellent in low air permeability in a water jet loom. The woven fabric of the present invention can be applied to other uses requiring low air permeability.
【0002】[0002]
【従来の技術】従来高密度織物は特別に設計されたレピ
ア織機を用いて得られることが知られている。しかし、
レピア織機は運転回転数が180〜350回/分と比較
的低く且つ高密度織物のように打ち込み糸本数の多い織
物の場合生産コストが高くなるという欠点があった。そ
の点同じ無杼織機であるウォータージェット織機(以下
WJLと略称する)は400〜700回/分と高速運転
が可能であり高密度織物の生産に適している。かかるW
JLで製織された織物は緯糸が地組織からはみ出て房耳
と称する余分糸の残るのが特徴であるがこれら緯糸は隣
接する糸同志は連続しておらず従って強い張力が緯方向
にかかると経糸が糸端から抜ける事がある。この糸抜け
ほつれを防止する目的で経糸最外部に耳カラミとして2
本の糸でレノ組織が設けられてはいるが、しかし、高密
度になるほど横方向への収縮力は比例的に強くなり、緯
糸挿入後テンプル把持の間で緯糸の房耳部分が織物の地
組織の中に引き込まれ、経糸の抜けほつれが起こりWJ
Lでの高密度織物の製造は困難であるとされている。も
ちろんこの対策として耳フサを長くする事で経糸の抜け
を防ぐという事も考えられるが品位がきたなく織機稼働
性も低下し、また後加工工程で耳フサ部分が引っ掛る等
の問題もあって解決策としては適当でない。BACKGROUND OF THE INVENTION It is known that high density fabrics can be obtained using specially designed rapier looms. But,
Rapier looms have the disadvantage that the operating speed is relatively low, 180-350 turns / minute, and the production cost is high in the case of woven fabrics with a large number of driven yarns, such as high-density woven fabrics. In this regard, a water jet loom (hereinafter abbreviated as WJL), which is the same shuttleless loom, can operate at a high speed of 400 to 700 times / min and is suitable for producing high-density fabrics. Such W
The woven fabric woven by JL is characterized by the fact that the wefts protrude from the ground structure and the extra yarns called tufts remain, but these wefts are not continuous with each other, and therefore, when a strong tension is applied in the weft direction. The warp may come off from the yarn end. In order to prevent this thread fraying, 2
Although the reno texture is provided by this yarn, however, the higher the density, the greater the contraction force in the horizontal direction becomes, and the weft tuft ears become the ground of the fabric between the weft insertion and temple gripping. WJ is pulled into the structure and the warp looses, causing WJ
The production of high-density fabrics at L is considered to be difficult. Of course, as a countermeasure, it is conceivable to prevent the warp from coming off by increasing the length of the ear flutes.However, there is a problem in that the quality is poor and the operability of the loom decreases, and there are also problems such as the ear flutes getting caught in the post-processing process. Not a suitable solution.
【0003】[0003]
【発明が解決しようとする課題】WJLはその織機上緯
糸を1本毎に切断して織物を形成するため織物の最両耳
部の経糸のほつれを生じやすいという欠点がある。通常
の織物密度ではレノ組織耳でほつれ防止の効果はあった
が、密度が多くなると製織中にほつれとなる現象が生じ
織機の停台が頻発しこれによる欠点が多発したり、製織
不能となる場合がある。本発明はWJLにて高密度の織
物を製造するに際し問題となる製織時の耳端部からの経
糸ほつれを防止し高品位で生産性の高い織物とその製造
法を提供するものである。The WJL has a drawback that the warp yarns at the both ears of the woven fabric are apt to be frayed because the woven fabric is formed by cutting the weft yarns one by one on the loom. At the normal fabric density, there was an effect of preventing fraying at the reno tissue ear, but as the density increased, the phenomenon of fraying during weaving occurred and the loom stopped frequently, resulting in frequent drawbacks, making it impossible to weave There are cases. An object of the present invention is to provide a high-quality, highly-productive woven fabric which prevents warp fraying from the ear end during weaving, which is a problem in producing a high-density woven fabric by WJL, and a method for producing the same.
【0004】[0004]
【課題を解決するための手段】上記課題を解決する手
段、即ち、本発明は、合成繊維よりなるカバーファクタ
ーが1900以上の織物であって、経糸最外部と耳部絡
み糸との間に、地組織を形成する糸より細繊度の前記耳
部絡み糸とは異なる3以上の絡み糸を用いて耳部経糸ほ
つれ防止組織を設けたことを特徴とする高密度織物およ
びウォータジェット織機でカバーファクターが1900
以上の織物を製織するに際し、地組織を形成する最外部
経糸と耳部経糸ほつれ防止組織を形成する耳部絡み糸と
の間に、地組織を形成する糸より細繊度の前記耳部絡み
糸とは異なる3以上の絡み糸を少なくともジェットノズ
ル側で給糸し、経糸ほつれ防止組織を形成することを特
徴とする高密度織物の製造方法である。Means for Solving the Problems Means for solving the above-mentioned problems, that is, the present invention relates to a woven fabric having a cover factor of 1900 or more made of synthetic fiber, wherein the outermost warp and the ear entangled yarn are A high-density woven fabric and a water jet loom, wherein an ear warp fraying prevention structure is provided by using three or more entangled yarns different from the ear entangled yarn having a finer fineness than the yarn forming the ground structure. Is 1900
When weaving the above woven fabric, between the outermost warp forming the ground structure and the ear entangled yarn forming the ear warp fray prevention structure, the ear entangled yarn having a finer fineness than the yarn forming the ground structure. A method for producing a high-density woven fabric, characterized in that three or more entangled yarns different from the above are supplied at least on the jet nozzle side to form a warp fray prevention structure.
【0005】本発明の最も特徴とするところは緯糸把持
に優れた組織を最外部経糸と耳部絡み糸(レノ組織)と
の間にもうける事にあり、この事により製織時におこる
経糸房耳からの経糸のほつれを防止し高密度の織物をW
JLにて安定して製造することが出来るものである。The most characteristic feature of the present invention resides in that a structure excellent in weft gripping is provided between the outermost warp and the ear entanglement yarn (leno structure). Of high-density woven fabric
It can be manufactured stably by JL.
【0006】本発明でいう緯糸把持に優れた組織とは三
ツ編みの様に糸を左右に移動させ且つねじりを与えなが
らカラミ組織を形成するもので、これに対して公知の耳
部絡み(レノ組織)は縄の様に一方向のねじりだけで組
織を形成しているため緯糸把持力に欠け経糸のズレが生
じても防止する効果が弱い。The texture excellent in weft gripping referred to in the present invention refers to a texture in which a yarn is moved to the left and right and twisted to form a Karami texture as in the case of a braid. Since the reno texture is formed only by twisting in one direction like a rope, the effect of preventing the warp from shifting due to lack of weft gripping force is weak.
【0007】本発明によるものは糸を左右に移動、交差
させるために緯糸に対する締め付け効果があり経糸のズ
レを抑える事が出来るものである。また、耳部経糸ほつ
れ防止組織は緯糸給糸側(ジェットノズル側)にもうけ
るのが効果的である。これは耳部経糸ほつれがノズル側
の方に多く発生し、反ノズル側の発生は比較的少ない事
による。これは反ノズル側には緯糸の最先端を把持する
糸端キャッチャーがあり、緯糸の地組織への引き込まれ
るのを防止する働きをしているためである。耳部経糸ほ
つれ防止組織は通常4本の糸(Aが2本、Bが2本)で
構成される。そのうち2本(A)は地組織と同じように
上下の開口運動をする。これらと異なる別の2本の糸
(B)は(A)の糸と1開口毎に左右に反転交差する運
動をする。このように、あたかもローリングさせながら
緯糸を締め付けて組織させるので緯糸のズレがなくその
ため経糸の抜けによるほつれの防止効果が得られるもの
である。そのため従来困難であった高密度の織物がWJ
Lによって製造する事が可能となった。According to the present invention, since the yarn is moved right and left and crosses each other, the yarn has a tightening effect on the weft and can suppress the deviation of the warp. Further, it is effective that the ear warp fray prevention structure is provided on the weft supply side (jet nozzle side). This is due to the fact that the ear warp frays occur more frequently on the nozzle side and relatively less occur on the opposite side of the nozzle. This is because a yarn end catcher that grips the leading end of the weft is located on the opposite side of the nozzle and functions to prevent the weft from being drawn into the ground structure. The ear warp anti-fraying structure is usually composed of four yarns (two A and two B). Two of them (A) move up and down like the ground tissue. Another two yarns (B) different from these make a motion of crossing the yarn of (A) right and left at every opening. As described above, since the weft is tightened and structured while being rolled, there is no misalignment of the weft, so that the effect of preventing fraying due to the shedding of the warp can be obtained. For this reason, high-density woven fabrics that have been difficult
L made it possible to manufacture.
【0008】本発明でいう合成繊維とはナイロン6、ナ
イロン66、ポリエステルが挙げられるがその他の合成
繊維でも適用可能である。The synthetic fibers referred to in the present invention include nylon 6, nylon 66, and polyester, but other synthetic fibers are also applicable.
【0009】本発明でいう織物とは経糸及び緯糸に無撚
糸有撚糸を用いて製織されたものであり、この場合経糸
はサイジングでもノーサイジングでもよく特に限定され
るものではない。地組織は平組織が通気量を低く抑える
点で適しているが他に、マット、綾、朱子組織やドビー
による変化組織においても有効である。The woven fabric referred to in the present invention is woven by using non-twisted twisted yarns for the warp and the weft. In this case, the warp may be sizing or no sizing, and is not particularly limited. The ground structure is suitable in that the flat structure keeps the ventilation rate low. In addition, the ground structure is also effective in a mat, a twill, a satin structure and a change structure due to dobby.
【0010】本発明の高密度織物は下記式で示される織
物密度のカバーファクター(K)が1900以上の織物
であって、とくに緯糸密度のカバーファクター(K)9
00以上の織物を意味する。 CF=√DT ×T+√DW ×W √DT :経糸デニールの平方根 T:経糸密度(本/
インチ) √DW :緯糸デニールの平方根 W:緯糸密度(本/
インチ) WJL製織時の経糸ほつれはK=1900以上の織物で
問題となる。これは緯糸の収縮はカバーファクター
(K)が大きくなるほど大きくなり、そのため緯糸房耳
が地組織の中に引き込まれ経糸のほつれを生じる。特に
WJLは水による影響もあってこの収縮による経糸ほつ
れの問題解決は重要な課題となっていた。本発明はK≧
1900の織物に効果がある。一方織物組織がルーズで
経糸ほつれの発生しない場合は本発明を用いる必要はな
い。The high-density woven fabric of the present invention is a woven fabric having a cover factor (K) of the fabric density represented by the following formula of 1900 or more, and in particular, a cover factor (K) of the weft density of 9
Means a woven fabric of 00 or more. CF = √DT × T + √DW × W√DT: Square root of warp denier T: Warp density
イ ン チ DW: Square root of weft denier W: Weft density (book /
Inch) Warp fraying at the time of WJL weaving becomes a problem in a woven fabric with K = 1900 or more. This is because the shrinkage of the weft increases as the cover factor (K) increases, so that the weft tufts are pulled into the ground structure and the warp frays. In particular, WJL has been affected by water, and solving the problem of warp fraying due to this shrinkage has been an important issue. In the present invention, K ≧
Effective for 1900 fabrics. On the other hand, if the fabric texture is loose and no warp fraying occurs, it is not necessary to use the present invention.
【0011】本発明の織物は、経糸最外部と従来のレノ
組織をもって構成される耳部絡み糸との間に3以上の糸
を用いた絡み組織が形成されるものである。最外部経糸
と耳部絡み糸との間に3以上の絡み糸を用いるのは最外
部経糸の緯糸からの抜けによるほつれ防止効果が大きい
からである。この場合3以上の糸を用いてもほつれ防止
効果はあるが、4本で用いるのが好ましく以下4本構成
の場合について説明する。本発明の特徴は、構成する4
本の糸が独自のネジリにより緯糸を強固に拘束する機能
を持たせた事である。本発明者らは種々検討のうえ本組
織がほつれ防止に有効である事を見出だした。本組織は
かかるカラミ糸と織物を構成する緯糸との間の互いの拘
束力が大きく、そのため耳部の地組織経糸の耳方向への
ズレがしにくくなりほつれ防止効果を発生することであ
る。In the woven fabric of the present invention, an entangled structure using three or more yarns is formed between the outermost warp yarn and an ear entangled yarn having a conventional reno texture. The reason why three or more entangled yarns are used between the outermost warp and the ear entangled yarn is that the effect of preventing the outermost warp from coming off the weft is large. In this case, even if three or more yarns are used, there is an effect of preventing fraying, but it is preferable to use four yarns, and a case of four yarns will be described below. The feature of the present invention is to configure 4
This is because the book yarn has a function to firmly restrain the weft yarn with its unique twist. The present inventors have conducted various studies and found that this organization is effective in preventing fraying. In the present structure, the binding force between the Karami yarn and the weft constituting the woven fabric is large, so that the ground tissue warp of the ear portion is less likely to be displaced in the ear direction, and a fraying prevention effect is generated.
【0012】本発明で用いる絡みについて更にくわしく
説明する。この組織は4本のカラミ糸の次のような絡み
でもって構成されている。緯糸に対し上下に絡む糸
(A)緯糸打ち込みの都度左右に入れ代わり交差する糸
(B)でもって組織されており、あたかも三ツ編みの様
な絡みをするものである。またかかる組織はかならずし
も織物の両耳部に設ける必要はなく、ほつれが問題とな
る緯糸給糸側だけに設けるだけでも充分その防止効果は
えられる。また絡み組織は本実施例によって限定される
ものではなく、その他の組織にも適用できる。The entanglement used in the present invention will be described in more detail. This structure is constituted by the following entanglement of four kami yarns. The yarn (A) is entangled up and down with respect to the weft, and is arranged with a yarn (B) that intersects with the right and left every time the weft is driven in. The yarn is entangled like a braid. In addition, it is not always necessary to provide such a structure at both ears of the woven fabric, and the prevention effect can be sufficiently obtained only by providing the structure only on the weft supply side where fraying is a problem. Further, the entanglement organization is not limited by the present embodiment, and can be applied to other organizations.
【0013】4本絡み組織の効果を有効に利用するため
には次の点について配慮すればよい。 (1)絡み糸に使用する糸の繊度は30〜200デニー
ルのものが良い。ただし絡み組織の部分の厚さを織物中
央部(地組織という)より厚くしないように細い繊度の
ものを選ぶ必要がある。糸は単糸でも撚糸でもまた4本
の繊度が異なっていても本効果があり製織に支障が無い
ものであればかまわない。 (2)絡み糸はモノフィラメントよりマルチフィラメン
トの方が拘束効果が大きい。 (3)絡み糸の特性は製織後の巻き上げ、乾燥、後加工
工程で問題の生じない特性のものを使用すれば良い。特
に熱収縮は地組織の経糸と近似したものを使用するほう
が好ましい。 (4)絡み組織の配置はほつれの生じやすい耳部に配置
すべきである。In order to effectively use the effect of the four-entangled organization, the following points should be considered. (1) The fineness of the yarn used for the entangled yarn is preferably 30 to 200 denier. However, it is necessary to select one with a fine fineness so that the thickness of the portion of the entangled structure is not thicker than the central portion of the woven fabric (called the ground structure). The yarn may be a single yarn or a twisted yarn, and even if the fineness of the four yarns is different, any yarn can be used as long as it has the present effect and does not hinder weaving. (2) As for the entangled yarn, the multifilament has a larger restraining effect than the monofilament. (3) As the characteristics of the entangled yarn, those having characteristics that do not cause problems in the winding, drying, and post-processing steps after weaving may be used. In particular, it is preferable to use a heat-shrinkable material which is similar to a warp having a ground structure. (4) The arrangement of the entangled tissue should be located at the ear where the fraying is likely to occur.
【0014】[0014]
【実施例】以下、実施例により本発明を詳述する。経糸
準備は次の〜に示す条件で行なった。 荒巻整経時の巻き糸張力 :0.1〜0.2g/d 荒巻整経時の巻き取り速度:150m/分 織りビームの巻き糸張力 :0.3〜0.5g/d 織りビームの巻き取り速度:100m/分 WJLは津田駒工業社製を使用し、製織速度は400〜
450rpmとした。4本絡みは商品名 BINDER
MAGER D を使用した。4本絡みに用いた糸は
100デニールのマルチフィラメント糸を使用した。2
本絡みはレノ組織を用い、糸は50デニールのモノフィ
ラメント糸を使用した。表1に示す、各種条件下に得ら
れる織布の製織状態と、耳糸のほつれを含めた織布の良
否を評価した。評価結果を表1に示す。The present invention will be described below in detail with reference to examples. Warp preparation was performed under the following conditions. Winding tension during rough winding time: 0.1 to 0.2 g / d Winding speed during rough winding time: 150 m / min Winding thread tension of woven beam: 0.3 to 0.5 g / d Winding speed of woven beam : 100m / min WJL is manufactured by Tsudakoma Kogyo Co., Ltd.
It was 450 rpm. 4 entanglements are trade name BINDER
MAGERD was used. A 100 denier multifilament yarn was used as the yarn used for the four entanglements. 2
The entanglement used a reno texture, and the yarn used was a 50-denier monofilament yarn. The weaving state of the woven fabric obtained under various conditions shown in Table 1 and the quality of the woven fabric including fray of the ear yarn were evaluated. Table 1 shows the evaluation results.
【0015】[0015]
【表1】 [Table 1]
【0016】[0016]
【発明の効果】上述の実施例の結果に見られるとおり織
物のカバーファクターCFが1926以上で本発明の効
果が顕著であり、WJLの製織、停台がなく織物品位の
良好な高密度織物が製造できることが確認できた。カバ
ーファクターCFが1900以上の高密度織物はコート
しないでエアバッグに使用される基布に要求される低通
気性を満たすために必要であり、また生地の薄地化に適
した低デニールの糸を使用した生地の強力を高めるため
にも有効な密度である。本発明により高密度の織物が、
生産性の良いWJLにより製造することが可能となり、
且つ織物品位の良好な織物が得られる。As can be seen from the results of the above-mentioned embodiment, the effect of the present invention is remarkable when the cover factor CF of the fabric is 1926 or more, and a high-density fabric having good woven fabric quality without WJL weaving or stopping is obtained. It was confirmed that it could be manufactured. A high-density woven fabric having a cover factor CF of 1900 or more is required to satisfy the low air permeability required for the base fabric used for the airbag without coating, and a low-denier yarn suitable for thinning the fabric is used. It is an effective density to increase the strength of the used fabric. According to the present invention, a high density fabric is
It is possible to manufacture with WJL with good productivity,
In addition, a woven fabric of good woven quality can be obtained.
Claims (2)
00以上の織物であって、経糸最外部と耳部絡み糸との
間に、地組織を形成する糸より細繊度の前記耳部絡み糸
とは異なる3以上の絡み糸を用いて耳部経糸ほつれ防止
組織を設けたことを特徴とする高密度織物。(1) a synthetic fiber having a cover factor of 19:
00 or more woven fabrics, wherein three or more entangled yarns different from the ear entangled yarns of finer fineness than the yarn forming the ground texture are used between the outermost warp yarn and the ear entangled yarn. A high-density woven fabric having a fray prevention structure.
が1900以上の織物を製織するに際し、地組織を形成
する最外部経糸と耳部経糸ほつれ防止組織を形成する耳
部絡み糸との間に、地組織を形成する糸より細繊度の前
記耳部絡み糸とは異なる3以上の絡み糸を少なくともジ
ェットノズル側で給糸し、経糸ほつれ防止組織を形成す
ることを特徴とする高密度織物の製造方法。2. When weaving a woven fabric having a cover factor of 1900 or more with a water jet loom, a ground structure is formed between an outermost warp forming a ground structure and an ear entanglement yarn forming an ear warp preventing structure. A method for producing a high-density woven fabric, comprising feeding at least at the jet nozzle side at least three entangled yarns different from the ear entangled yarns having a finer fineness than the yarns forming the yarn to form a warp fraying prevention structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05110621A JP3114832B2 (en) | 1993-05-12 | 1993-05-12 | High-density woven fabric and method for producing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP05110621A JP3114832B2 (en) | 1993-05-12 | 1993-05-12 | High-density woven fabric and method for producing the same |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH06322637A JPH06322637A (en) | 1994-11-22 |
JP3114832B2 true JP3114832B2 (en) | 2000-12-04 |
Family
ID=14540438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP05110621A Expired - Lifetime JP3114832B2 (en) | 1993-05-12 | 1993-05-12 | High-density woven fabric and method for producing the same |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3114832B2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2301320B (en) * | 1994-01-28 | 1998-03-11 | Asahi Chemical Ind | Air bag |
KR20010112330A (en) * | 1999-03-18 | 2001-12-20 | 아코르디스 인두스트리알 피베르스 게엠베하 | Weaving method |
JP4496451B2 (en) * | 2001-01-16 | 2010-07-07 | 東洋紡績株式会社 | Weaving method of high density fabric |
GB2410752A (en) * | 2004-02-06 | 2005-08-10 | Autoliv Dev | Woven air bag fabric |
CN102978783A (en) * | 2012-11-16 | 2013-03-20 | 周丰林 | Improvement for narrow crepe-de-chine production process |
EP4310232A1 (en) | 2021-03-16 | 2024-01-24 | Toray Industries, Inc. | Airbag fabric |
-
1993
- 1993-05-12 JP JP05110621A patent/JP3114832B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH06322637A (en) | 1994-11-22 |
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