JPH02114035A - Base cloth for air bag of car - Google Patents
Base cloth for air bag of carInfo
- Publication number
- JPH02114035A JPH02114035A JP26781188A JP26781188A JPH02114035A JP H02114035 A JPH02114035 A JP H02114035A JP 26781188 A JP26781188 A JP 26781188A JP 26781188 A JP26781188 A JP 26781188A JP H02114035 A JPH02114035 A JP H02114035A
- Authority
- JP
- Japan
- Prior art keywords
- cloth
- thermoplastic
- air bag
- lamination
- polyamide
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 15
- 239000000835 fiber Substances 0.000 claims abstract description 15
- 239000000806 elastomer Substances 0.000 claims abstract description 10
- 229920005992 thermoplastic resin Polymers 0.000 claims abstract description 7
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 claims description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 3
- 229920006345 thermoplastic polyamide Polymers 0.000 claims description 3
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 3
- 238000003475 lamination Methods 0.000 abstract description 6
- 239000004952 Polyamide Substances 0.000 abstract description 5
- 229920002647 polyamide Polymers 0.000 abstract description 5
- 229920000728 polyester Polymers 0.000 abstract description 5
- 238000003855 Adhesive Lamination Methods 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract 2
- 239000004814 polyurethane Substances 0.000 abstract 2
- 229920001169 thermoplastic Polymers 0.000 abstract 2
- 239000004416 thermosoftening plastic Substances 0.000 abstract 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000009940 knitting Methods 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 239000004753 textile Substances 0.000 abstract 1
- 239000002759 woven fabric Substances 0.000 description 6
- 239000005060 rubber Substances 0.000 description 5
- 229920002725 thermoplastic elastomer Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 238000010073 coating (rubber) Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920002681 hypalon Polymers 0.000 description 1
- 239000005001 laminate film Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
Description
【発明の詳細な説明】
[産業上の利用分野コ
本発明は車両衝突時に膨張させ、着座乗員の衝撃を吸収
し、その保護を図る車両用エアバッグを形成するための
基布の改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to improvements in a base fabric for forming a vehicle airbag that is inflated during a vehicle collision to absorb and protect a seated occupant from impact. It is.
[従来の技術]
車両用のエアバッグは、これまで合成繊維からなる織布
にクロロプレン、クロルスルホン化ポリエチレン等の合
成ゴムや天然ゴムをライニングした基布を用いて形成す
るのが一般的である。しかしながら、このようなゴムコ
ーティング基布は、最近基本的に要求される軽、薄、短
、小の技術要求において、特に重いこと、嵩ばることの
問題があり、ざらに軽量化、薄層化の面での改良が必要
である。一方、エアバッグについて重要特性である耐圧
強度に大きく影響する引裂強力において、現行のゴムコ
ーティング基布は織布のイニシアル引裂強力に対し強力
保持率が低下し、この改善が要望されている。ざらに、
ゴムコーティング基布は、−船釣にゴム糊コーティング
方式で基布にゴムコーティングが施されているが、この
ような方式では、コーティング層にピンホールが発生し
やすく、仝数横反などで工程が複雑化し、その簡素化が
必要でおる。[Prior Art] Vehicle airbags have generally been formed using a base fabric made of a woven fabric made of synthetic fibers lined with synthetic rubber such as chloroprene or chlorosulfonated polyethylene, or natural rubber. . However, such rubber-coated base fabrics have the problem of being especially heavy and bulky, in response to the recent technical requirements for lightness, thinness, shortness, and smallness. Improvements are needed in this area. On the other hand, regarding tear strength, which greatly affects pressure resistance, which is an important characteristic of airbags, current rubber coated base fabrics have a lower strength retention rate than the initial tear strength of woven fabrics, and there is a need for improvement in this area. Roughly,
Rubber coated base fabric - Rubber coating is applied to the base fabric using a rubber glue coating method for boat fishing, but with this type of method, pinholes are likely to occur in the coating layer, and there are problems during the process such as cross-crossing. has become complicated, and it is necessary to simplify it.
[発明が解決しようとする課題]
本発明の目的は前記した従来技術の問題点を改善し、軽
量で引裂強度で代表される機械的強度などの物理特性が
向上するとともに、ピンホールの発生や長期間経過での
劣化がなく、車両用エアバッグを作成した場合、その安
全性が向上する車両用エアバッグ基布の提供にある。[Problems to be Solved by the Invention] The purpose of the present invention is to improve the problems of the prior art described above, to improve physical properties such as light weight and mechanical strength represented by tear strength, and to prevent the occurrence of pinholes. To provide a vehicle airbag base fabric that does not deteriorate over a long period of time and improves safety when a vehicle airbag is produced.
[課題を解決するための手段]
前記した本発明の目的は、熱可塑性樹脂繊維からなる布
帛に、熱可塑性ポリエステルエラストマー、熱可塑性ポ
リアミドエラストマーおよび熱可塑性ポリウレタンエラ
ストマーから選択した少なくとも1種をラミネートして
なる車両用エアバッグ基布によって達成することができ
る。[Means for Solving the Problems] The object of the present invention is to laminate at least one selected from thermoplastic polyester elastomer, thermoplastic polyamide elastomer, and thermoplastic polyurethane elastomer onto a fabric made of thermoplastic resin fibers. This can be achieved by using a vehicle airbag base fabric.
本発明のエアバッグ基布を構成する布帛の熱可塑性樹脂
繊維としては、ポリエステル繊維、ポリアミド繊維など
が好適で、布帛としては、織物、編物、不織布、スパン
ボンド等があるが織物が好適である。織物とした場合の
タテ糸、ヨコ糸のトータル繊度はポリアミド繊維の場合
、50〜1260Dが好適で、210〜840Dがより
好適である。またポリエステル繊維の場合、70〜15
00Dが好適で、250〜100ODがより好適である
。The thermoplastic resin fibers of the fabric constituting the airbag base fabric of the present invention are preferably polyester fibers, polyamide fibers, etc. The fabrics include woven fabrics, knitted fabrics, nonwoven fabrics, spunbond fabrics, etc., but woven fabrics are preferable. . In the case of polyamide fibers, the total fineness of warp and weft yarns in a woven fabric is preferably 50 to 1260D, more preferably 210 to 840D. In addition, in the case of polyester fiber, 70 to 15
00D is preferred, and 250-100OD is more preferred.
本発明において、布帛にラミネートする熱可塑性エラス
トマーは、熱可塑性ポリエステルエラストマー、熱可塑
性ポリアミドエラストマー、および熱可塑性ポリウレタ
ンエラストマーから選択した少なくとも1種を選ぶこと
が好適で、熱可塑性ポリエステルエラストマーが特に好
適である。In the present invention, the thermoplastic elastomer to be laminated to the fabric is preferably at least one selected from thermoplastic polyester elastomer, thermoplastic polyamide elastomer, and thermoplastic polyurethane elastomer, and thermoplastic polyester elastomer is particularly preferred. .
本発明での布帛へのラミネートは押出しラミネートや接
着ラミネート等で行なうことができ、布帛へラミネート
する熱可塑性エラストマーのラミネート膜厚は5〜70
μが好適で、15〜40μの範囲がより好適である。ま
た、前記ラミネート時に布帛と熱可塑性エラストマーと
の間に接着剤を介在させることができる。Lamination to the fabric in the present invention can be performed by extrusion lamination, adhesive lamination, etc., and the lamination film thickness of the thermoplastic elastomer to be laminated to the fabric is 5 to 70 mm.
μ is preferred, and a range of 15 to 40 μ is more preferred. Moreover, an adhesive can be interposed between the fabric and the thermoplastic elastomer during the lamination.
[効 果]
本発明になる車両用エアバッグ基布は、熱可塑性樹脂繊
維からなる布帛に熱可塑性エラストマーをラミネートし
たものであるため、従来の基布に比較して、次のような
優れた効果が発揮される。[Effects] The vehicle airbag base fabric of the present invention is made by laminating a thermoplastic elastomer onto a fabric made of thermoplastic resin fibers, so it has the following superior properties compared to conventional base fabrics. The effect is demonstrated.
(1) 本発明のラミネートエラストマー膜にはピン
ホールは存在せず、基布の製造工程が効率化でき、また
エアバッグ膨張時の破損や不完全膨張による乗員への危
険はなくなり、安全性が向上する。(1) There are no pinholes in the laminated elastomer membrane of the present invention, making the manufacturing process of the base fabric more efficient, and eliminating danger to occupants due to damage or incomplete inflation during airbag inflation, improving safety. improves.
(2) ラミネートエラストマー膜は、例えば15〜
40μ程度と薄く、以下に記述する実施例からも明らか
なように、基布の目付量を少なくし、かつ厚さを薄くす
ることができる。このため、車両用エアバッグの作成お
よびその格納が容易になる。(2) The laminated elastomer membrane is, for example, 15 to
It is as thin as about 40μ, and as is clear from the examples described below, the basis weight and thickness of the base fabric can be reduced. This facilitates the production and storage of a vehicle airbag.
(3)ラミネートエラストマー膜は、以下に記述する実
施例のように、引裂強力は従来のゴム層に比較して大き
く向上し、しかも長期間放置での劣化も少ないので、エ
アバッグとした場合の安全性が向上する。(3) As shown in the examples described below, the tear strength of laminated elastomer membranes is greatly improved compared to conventional rubber layers, and there is less deterioration when left for long periods of time, so they are suitable for use in airbags. Improves safety.
(4)本発明のエアバッグ基布は、熱可塑性エラストマ
ーのラミネート膜を有しているおり、熱融着でエアバッ
グの作成が可能となる。このため、工程が簡略化でき、
かつエアバッグの安全性も向上する。(4) The airbag base fabric of the present invention has a laminate film of thermoplastic elastomer, so that it is possible to create an airbag by heat fusion. Therefore, the process can be simplified and
Moreover, the safety of the airbag is also improved.
[実 施 例]
ポリヘキサメチレンアジパミド繊維(“ナイロン”66
繊維)からなるタテ糸およびヨコ糸を用いて織物(平織
)とし、これに熱可塑性ポリエステルエラストマーとし
て東しφデュポン株製“ハイトレル”4057を押し出
し、ラミネートして車両用エアバッグ基布を作成した。[Example] Polyhexamethylene adipamide fiber (“nylon” 66
A woven fabric (plain weave) was made using warp and weft yarns consisting of fibers), and a thermoplastic polyester elastomer "Hytrel" 4057 manufactured by DuPont was extruded and laminated to create a vehicle airbag base fabric. .
この作成した基布の物理特性測定値を以下の表1に表示
した。The measured values of the physical properties of the prepared base fabric are shown in Table 1 below.
以下余白
表1において、Nα1はクロロブレンゴムを被覆した従
来品で、本発明の効果を明確にするための比較データで
ある。表1のデータから明らかなように、本発明の“ハ
イトレル”をラミネートした試料No、2、Nα3は、
比較例であるNo、 1に比して目付は少なく (軽<
)、厚さは薄く、引裂強力は高い値を有していることが
明らかである。また、通気量はNo、1と同じレベルに
ある。In Table 1 below, Nα1 is a conventional product coated with chloroprene rubber, and comparative data is provided to clarify the effects of the present invention. As is clear from the data in Table 1, samples No. 2, Nα3 laminated with “Hytrel” of the present invention,
Compared to the comparative example No. 1, the basis weight is smaller (light <
), it is clear that the thickness is thin and the tear strength has a high value. Further, the ventilation amount is at the same level as No. 1.
Claims (1)
エステルエラストマー、熱可塑性ポリアミドエラストマ
ーおよび熱可塑性ポリウレタンエラストマーから選択し
た少なくとも1種をラミネートしてなる車両用エアバッ
グ基布。(1) A vehicle airbag base fabric formed by laminating at least one selected from thermoplastic polyester elastomer, thermoplastic polyamide elastomer, and thermoplastic polyurethane elastomer onto a fabric made of thermoplastic resin fibers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63267811A JP2857707B2 (en) | 1988-10-24 | 1988-10-24 | Airbag base fabric for vehicles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63267811A JP2857707B2 (en) | 1988-10-24 | 1988-10-24 | Airbag base fabric for vehicles |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH02114035A true JPH02114035A (en) | 1990-04-26 |
JP2857707B2 JP2857707B2 (en) | 1999-02-17 |
Family
ID=17449933
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63267811A Expired - Fee Related JP2857707B2 (en) | 1988-10-24 | 1988-10-24 | Airbag base fabric for vehicles |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2857707B2 (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991018760A1 (en) * | 1990-05-30 | 1991-12-12 | Takata Kabushiki Kaisha | Air bag in air bag unit |
JPH08142290A (en) * | 1994-11-15 | 1996-06-04 | Maruyama Kogyo Kk | Fiber reinforced sheet and its manufacture |
GB2316043A (en) * | 1996-08-12 | 1998-02-18 | Bridgestone Corp | Laminated airbag comprising elastomer and shape holding layers |
EP0763621A3 (en) * | 1995-09-18 | 1998-09-23 | Toray Industries, Inc. | A base fabric for air bags, a process for producing it and an air bag comprising it |
US5909895A (en) * | 1996-06-11 | 1999-06-08 | Bridgestone Corporation | Thermoplastic resin film air bag |
EP2028315A1 (en) * | 2006-06-09 | 2009-02-25 | Toyo Boseki Kabushiki Kaisha | Woven fabric for airbag |
US7537238B2 (en) | 2000-08-10 | 2009-05-26 | Nihon Plast Co., Ltd. | Side airbag |
WO2018230722A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Multilayer film, laminate, air bag, and method for producing laminate |
WO2018230724A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Laminate and air bag |
WO2018230721A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Multilayer film, laminate, airbag, and method of manufacturing laminate |
WO2018230723A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Method for producing laminate, laminate, and air bag |
CN110328904A (en) * | 2019-07-03 | 2019-10-15 | 苏州市兴视创纺织科技研究有限公司 | Light-sensitive emulsion curing overlay film type air warming compound fabric and preparation method thereof |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4830246A (en) * | 1971-08-19 | 1973-04-21 |
-
1988
- 1988-10-24 JP JP63267811A patent/JP2857707B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4830246A (en) * | 1971-08-19 | 1973-04-21 |
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1991018760A1 (en) * | 1990-05-30 | 1991-12-12 | Takata Kabushiki Kaisha | Air bag in air bag unit |
JPH08142290A (en) * | 1994-11-15 | 1996-06-04 | Maruyama Kogyo Kk | Fiber reinforced sheet and its manufacture |
US6291040B1 (en) | 1995-09-18 | 2001-09-18 | Toray Industries, Inc. | Base fabric for air bags, a process for producing it and an air bag comprising it |
CN1088016C (en) * | 1995-09-18 | 2002-07-24 | 东丽株式会社 | Base cloth for air bag, preparation process and the air bag therefrom |
EP0763621A3 (en) * | 1995-09-18 | 1998-09-23 | Toray Industries, Inc. | A base fabric for air bags, a process for producing it and an air bag comprising it |
US5989660A (en) * | 1995-09-18 | 1999-11-23 | Toray Industries, Inc. | Base fabric for air bags, a process for producing it and an air bag comprising it |
US5909895A (en) * | 1996-06-11 | 1999-06-08 | Bridgestone Corporation | Thermoplastic resin film air bag |
US6142520A (en) * | 1996-08-12 | 2000-11-07 | Bridgestone Corporation | Air bag |
GB2316043A (en) * | 1996-08-12 | 1998-02-18 | Bridgestone Corp | Laminated airbag comprising elastomer and shape holding layers |
US7537238B2 (en) | 2000-08-10 | 2009-05-26 | Nihon Plast Co., Ltd. | Side airbag |
EP2028315A1 (en) * | 2006-06-09 | 2009-02-25 | Toyo Boseki Kabushiki Kaisha | Woven fabric for airbag |
EP2028315A4 (en) * | 2006-06-09 | 2010-06-23 | Toyo Boseki | Woven fabric for airbag |
EP2365124A1 (en) * | 2006-06-09 | 2011-09-14 | Toyo Boseki Kabushiki Kaisha | Fabric for airbags |
WO2018230724A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Laminate and air bag |
US20200114631A1 (en) * | 2017-06-16 | 2020-04-16 | Nitto Denko Corporation | Multilayer film, laminate, airbag, and method of manufacturing laminate |
WO2018230721A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Multilayer film, laminate, airbag, and method of manufacturing laminate |
WO2018230723A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Method for producing laminate, laminate, and air bag |
US11667259B2 (en) | 2017-06-16 | 2023-06-06 | Zf Automotive Germany Gmbh | Method of manufacturing laminate, laminate, and airbag |
KR20200015548A (en) | 2017-06-16 | 2020-02-12 | 닛토덴코 가부시키가이샤 | Laminate manufacturing method, laminate and airbag |
KR20200016257A (en) | 2017-06-16 | 2020-02-14 | 닛토덴코 가부시키가이샤 | Laminates and Airbags |
KR20200017409A (en) | 2017-06-16 | 2020-02-18 | 닛토덴코 가부시키가이샤 | Multilayer Films, Laminates, Air Bags and Laminates |
KR20200017410A (en) | 2017-06-16 | 2020-02-18 | 닛토덴코 가부시키가이샤 | Multilayer Films, Laminates, Air Bags and Laminates |
WO2018230722A1 (en) | 2017-06-16 | 2018-12-20 | 日東電工株式会社 | Multilayer film, laminate, air bag, and method for producing laminate |
US20200114630A1 (en) * | 2017-06-16 | 2020-04-16 | Nitto Denko Corporation | Multilayer film, laminate, airbag, and method of manufacturing laminate |
US20200122441A1 (en) * | 2017-06-16 | 2020-04-23 | Nitto Denko Corporation | Laminate and airbag |
DE202018006438U1 (en) | 2017-06-16 | 2020-05-27 | Nitto Denko Corporation | Multi-layer film, laminate, airbag and device for producing a laminate |
EP3689606A1 (en) | 2017-06-16 | 2020-08-05 | Nitto Denko Corporation | Multilayer film, laminate, airbag, and method of manufacturing laminate |
US10953639B2 (en) | 2017-06-16 | 2021-03-23 | Nitto Denko Corporation | Multilayer film, laminate, airbag, and method of manufacturing laminate |
US11072152B2 (en) | 2017-06-16 | 2021-07-27 | Nitto Denko Corporation | Multilayer film, laminate, airbag, and method of manufacturing laminate |
US11192345B2 (en) | 2017-06-16 | 2021-12-07 | Nitto Denko Corporation | Laminate and airbag |
CN110328904A (en) * | 2019-07-03 | 2019-10-15 | 苏州市兴视创纺织科技研究有限公司 | Light-sensitive emulsion curing overlay film type air warming compound fabric and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2857707B2 (en) | 1999-02-17 |
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