[go: up one dir, main page]

JP2003138452A - Stretching cotton woven fabric - Google Patents

Stretching cotton woven fabric

Info

Publication number
JP2003138452A
JP2003138452A JP2001331313A JP2001331313A JP2003138452A JP 2003138452 A JP2003138452 A JP 2003138452A JP 2001331313 A JP2001331313 A JP 2001331313A JP 2001331313 A JP2001331313 A JP 2001331313A JP 2003138452 A JP2003138452 A JP 2003138452A
Authority
JP
Japan
Prior art keywords
woven fabric
cotton woven
warp
cotton
cotton fabric
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.)
Pending
Application number
JP2001331313A
Other languages
Japanese (ja)
Inventor
Tomoya Ohashi
智哉 大橋
Shinichi Yasukawa
真一 安川
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.)
Toyobo Co Ltd
Original Assignee
Toyobo 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 Toyobo Co Ltd filed Critical Toyobo Co Ltd
Priority to JP2001331313A priority Critical patent/JP2003138452A/en
Publication of JP2003138452A publication Critical patent/JP2003138452A/en
Pending legal-status Critical Current

Links

Landscapes

  • Woven Fabrics (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a stretching cotton woven fabric which has proper stretching properties in both the warp and weft directions, has comfortable wearing touch, hardly forms wrinkles, and has a good color developing property even when deep-dyed. SOLUTION: This stretching cotton woven fabric is characterized by having elongations of 5 to 15% and 10 to 30% in the warp and weft directions, respectively, in a KES method tension test and further having a wrinkling property of >=2.5 grade. The stretching cotton woven fabric, wherein the L* value of a L*a*b* color system color value is <=11. The stretching cotton woven fabric, wherein the cotton woven fabric is obtained from single fiber spun yarns or two ply spun yarns having a twist coefficient K of >=6.

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、綿織物に関する。
さらに詳しくは経緯ともに適度なストレッチ性による快
適な着心地感があり、シワになりにくく、濃染化されて
発色性が良く、コート、ジャッケト等の衣料用途に好適
に使用できる綿織物である。
TECHNICAL FIELD The present invention relates to a cotton fabric.
More specifically, it is a cotton woven fabric which has a comfortable feeling of stretching due to its proper stretchability, is less likely to wrinkle, is deeply dyed and has good color development, and can be suitably used for clothing such as coats and jackets.

【0002】[0002]

【従来の技術】従来の綿100%織物は、伸縮性に乏し
く、着心地性が悪く、シワになりやすく、かつ濃染化が
難しかった。このためフォーマル用途に使用される品位
のものが得られず、特にブラックフォーマルなどの用途
では満足できる濃度が得られず、ウール、ポリエステ
ル、シルクが主流素材であった。
2. Description of the Related Art A conventional 100% cotton woven fabric has poor stretchability, is uncomfortable to wear, is easily wrinkled, and is difficult to be deeply dyed. For this reason, it was not possible to obtain quality grades for use in formal applications, and particularly in applications such as black formal, satisfactory concentrations could not be obtained, and wool, polyester, and silk were the mainstream materials.

【0003】[0003]

【発明が解決しようとする課題】本発明の目的は、上記
の問題点を解決し、綿でありがなら着心地性、イージー
ケア性に優れ、更に深みのある濃度に染色できる綿織物
を提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide a cotton fabric which is excellent in comfort and easy care when it is made of cotton and which can be dyed in a deep density. Especially.

【0004】[0004]

【課題を解決するための手段】本発明は上記課題を解決
する為に、以下の構成を採用するものである。即ち、 1.KES法の引張り試験による経方向の伸度が5〜1
5%、緯方向の伸度が10〜30%であり、着ジワ性
(JIS L 1059 リンクル法の防しわ性に準
拠)が2.5級以上であることを特徴とする伸縮性綿織
物。 2.KES法の引張り試験による経方向の伸度が5〜1
5%、緯方向の伸度が10〜30%であり、着ジワ性
(JIS L 1059 リンクル法の防しわ性に準
拠)が2.5級以上で、かつL*a*b*表色系測色値の
L*値が11以下であることを特徴とする伸縮性綿織
物。 3.前記綿織物が撚係数K=6以上の紡績糸或いはその
双糸を用いて得られたものであることを特徴とする第1
または第2に記載の伸縮性綿織物。 4.前記綿織物の経方向あるいは緯方向の少なくとも一
部にスパンデックス混繊糸を有することを特徴とする第
1〜3のいずれかに記載の伸縮性綿織物。
The present invention adopts the following constitution in order to solve the above problems. That is, 1. The elongation in the longitudinal direction by the KES tensile test is 5 to 1
Stretchable cotton fabric having 5%, elongation in the weft direction of 10 to 30%, and wrinkle resistance (based on wrinkle resistance of JIS L 1059 wrinkle method) of 2.5 grade or more. 2. The elongation in the longitudinal direction by the KES tensile test is 5 to 1
5%, elongation in the weft direction of 10 to 30%, wrinkle resistance (according to wrinkle resistance of JIS L 1059 wrinkle method) of 2.5 grade or more, and L * a * b * color system A stretchable cotton fabric having a colorimetric L * value of 11 or less. 3. The first feature is that the cotton fabric is obtained by using spun yarn having twist coefficient K = 6 or more or its twin yarn.
Alternatively, the stretchable cotton fabric according to the second aspect. 4. The stretchable cotton fabric according to any one of claims 1 to 3, wherein the cotton fabric has spandex mixed fiber yarns in at least a part of a warp direction or a weft direction.

【0005】[0005]

【発明の実施の形態】本発明における綿織物は、綿紡績
糸或いはその双糸を主体として製織された織物である
が、必要により本発明の効果を損なわない範囲におい
て、麻、レーヨンなどのセルロース系繊維、羊毛、絹な
どの蛋白質系繊維、ポリエステル、ポリアミド、ポリウ
レタンなどの合成繊維などを混紡、混繊、交織などの混
用法によって混用された織物であってもよい。
BEST MODE FOR CARRYING OUT THE INVENTION The cotton fabric according to the present invention is a woven fabric mainly composed of cotton spun yarn or its twin yarns. Cellulosic materials such as hemp and rayon are used as long as the effects of the present invention are not impaired. It may be a woven fabric obtained by blending fibers, protein fibers such as wool and silk, synthetic fibers such as polyester, polyamide and polyurethane by a blending method such as blending, blending and interweaving.

【0006】本発明における綿織物の織構造は、平織、
綾織、朱子織あるいはこれらを組み合わせた組織や二重
織構造などであるが、従来にない伸縮性を有する織物で
ある。即ち、本発明における綿織物は、KES(Kawaba
ta Evaluation System)法の引張り試験による経方向の
伸度が5〜15%であり、好ましくは6〜12%程度で
ある。経方向の伸度が5%未満では、着ジワ特性、着心
地が悪くなる。経方向の伸度が15%を超えると平滑な
表面感が得られず、着心地感も悪くなる傾向がある。
The woven structure of the cotton fabric in the present invention is plain weave,
Although it has a twill weave, satin weave, or a combination of these, a double weave structure, etc., it is a woven fabric having unprecedented elasticity. That is, the cotton fabric in the present invention is KES (Kawaba
The elongation in the machine direction according to the tensile test of the ta Evaluation System) is 5 to 15%, preferably about 6 to 12%. If the elongation in the warp direction is less than 5%, the wrinkle characteristic and the wearing comfort will be poor. If the elongation in the warp direction exceeds 15%, a smooth surface feeling cannot be obtained, and the comfort feeling tends to be poor.

【0007】また、KES法の引張り試験による緯方向
の伸度は10〜30%であり、緯方向の伸度は10%未
満では、着ジワ特性、着心地が悪くなる。緯方向の伸度
が30%を超えると、平滑な表面感が得られず着心地感
も悪くなる傾向がある。
Further, the elongation in the weft direction according to the tensile test of the KES method is 10 to 30%, and if the elongation in the weft direction is less than 10%, the wrinkle characteristic and the wearing comfort are deteriorated. If the elongation in the weft direction exceeds 30%, a smooth surface feeling cannot be obtained and the feeling of wearing tends to be poor.

【0008】さらに本発明における綿織物は、JIS
L 1059 リンクル法の防しわ性に準拠した着ジワ
性が2.5級以上であり、好ましくは3級以上、より好
ましくは3.5級である。綿織物で着ジワ性3.5級以
上を達成することは従来にない画期的な効果である。
Further, the cotton fabric according to the present invention is JIS
The wrinkle resistance according to the wrinkle resistance of the L 1059 wrinkle method is 2.5 grade or higher, preferably 3 grade or higher, and more preferably 3.5 grade. Achieving a wrinkle level of 3.5 or higher with a cotton fabric is an unprecedented epoch-making effect.

【0009】さらにまた、本発明の織物は、JIS Z
8729に準拠したL*a*b*表色系測色値のL*値が
11以下である。綿織物でかかる濃染化が達成できるこ
とは画期的なことである。
Furthermore, the woven fabric of the present invention has a JIS Z
The L * value of the L * a * b * colorimetric system colorimetric value based on 8729 is 11 or less. It is epoch-making that such deep dyeing can be achieved with cotton fabrics.

【0010】本発明の織物に用いられる紡績糸は単糸あ
るいは双糸のどちらであって構わない。双糸の場合、下
撚りと上撚りの方向は同じ方が好ましい。糸の撚係数K
(JIS L 1095)は、6以上の強撚であること
が好ましく、より好ましくは7〜9である。撚り係数K
が6未満であると、織物の伸縮性が発現させにくく、着
ジワ特性を向上させにくい。本発明の織物には、 綿紡
績糸以外にスパンデックス/綿混繊糸などのストレッチ
性のある糸を用いる事ができる。
The spun yarn used in the fabric of the present invention may be either single yarn or twin yarn. In the case of twin yarn, it is preferable that the directions of the lower twist and the upper twist are the same. Thread twist coefficient K
(JIS L 1095) is preferably a strong twist of 6 or more, and more preferably 7 to 9. Twisting factor K
Is less than 6, it is difficult for the woven fabric to exhibit stretchability, and it is difficult to improve the wrinkle property. In addition to cotton spun yarn, stretchable yarn such as spandex / cotton mixed yarn can be used for the woven fabric of the present invention.

【0011】本発明の織物は、製織された後、精錬、リ
ラックス処理及び苛性ソーダ液処理により、綿を膨潤さ
せ、かつ織物に寸法安定性を付与することによって得ら
れる。更にこれらの処理だけで完全に綿をセットしてし
まうことが好ましい。
The woven fabric of the present invention is obtained by swelling cotton and imparting dimensional stability to the woven fabric by scouring, relaxing treatment and caustic soda solution treatment after being woven. Furthermore, it is preferable to completely set the cotton only by these treatments.

【0012】本発明の織物は、通常の染色方法で、L*
a*b*表色系測色値のL*値が11以下の濃染化を達成
することができ、反応染料を用いる場合、90℃以下の
染液中で染色することができる。
The woven fabric of the present invention is L *
It is possible to achieve deep dyeing with an L * value of a * b * colorimetric system of 11 or less, and when using a reactive dye, it is possible to dye in a dyeing liquid at 90 ° C. or less.

【0013】[0013]

【実施例】以下、本発明の実施例により具体的に説明す
る。 実施例1 経糸及び緯糸に綿紡績糸(80番手双糸、撚係数K=
7)を使用したセミ二重織物を製織した。経糸及び緯糸
密度はそれぞれ2.54cm当り98本と88本であっ
た。得られた織物を精錬、漂白、リラックス処理、苛性
ソーダ処理によって、綿の膨潤と織物の安定化処理をし
た。得られた織物は、経糸及び緯糸密度はそれぞれ2.
54cm当り120本と92本であった。更に反応染料
を用いて以下の染色条件で染色後、染色後仕上げ加工を
実施して本発明の伸縮性綿織物を得た。仕上がり品は経
糸及び緯糸密度はそれぞれ2.54cm当り123本と
94本であった。得られた本発明品の特性を表1に示し
た。
EXAMPLES The present invention will be specifically described below with reference to examples. Example 1 A cotton spun yarn (80 count twin yarn, twist coefficient K = for warp and weft)
A semi-double woven fabric using 7) was woven. The warp and weft densities were 98 and 88 per 2.54 cm, respectively. The resulting fabric was subjected to swelling, bleaching, relaxation treatment, and caustic soda treatment to swell cotton and stabilize the fabric. The resulting fabric had warp and weft densities of 2.
The number was 120 and 92 per 54 cm. Further, after dyeing with a reactive dye under the following dyeing conditions, finishing processing after dyeing was performed to obtain a stretchable cotton fabric of the present invention. The finished product had warp and weft densities of 123 and 94 per 2.54 cm, respectively. The characteristics of the obtained product of the present invention are shown in Table 1.

【0014】 染色条件: 処方;SUMIFIX SUPRA Black EX 8% Yellow 3RF 0.5% Red BSF 0.3% (住友化学工業社製) 浴比; 1:15 温度及び時間;60℃、45分間 染色機;日阪製作所社製サーキュラー液流染色機[0014]   Staining conditions:     Prescription; SUMIFIX SUPRA Black EX 8%                                       Yellow 3RF 0.5%                                       Red BSF 0.3%                                      (Sumitomo Chemical Co., Ltd.)     Bath ratio; 1:15     Temperature and time; 60 ° C, 45 minutes     Dyeing machine: Circular jet dyeing machine manufactured by Hisaka Seisakusho

【0015】実施例2 経糸に綿紡績糸(80番手双糸、撚係数K=7)を使用
し、緯糸に綿紡績糸(80番手双糸、撚り係数K=7)
とスパンデックス/綿(13/87)混繊糸40番手と
を1:1の比率で使用してサテン織物を製織した。経糸
及び緯糸密度はそれぞれ2.54cm当り120本と1
00本であった。得られた織物を実施例1と同様にし
て、前処理、安定化処理して経糸及び緯糸密度がそれぞ
れ2.54cm当り136本と118本のサテン織物を
得た。この織物を実施例1と同様にして、染色、後仕上
げして本発明の伸縮性綿織物を得た。仕上がり品は経糸
及び緯糸密度はそれぞれ2.54cm当り138本と1
20本であった。得られた本発明品の特性を表1に示し
た。
Example 2 A cotton spun yarn (80 count twin yarn, twist coefficient K = 7) was used as the warp, and a cotton spun yarn (80 count twin yarn, twist coefficient K = 7) was used as the weft yarn.
A satin woven fabric was woven using 1 and a spandex / cotton (13/87) mixed yarn 40 count. Warp and weft densities are 120 and 1 per 2.54 cm
It was 00. The obtained woven fabric was subjected to pretreatment and stabilization treatment in the same manner as in Example 1 to obtain satin woven fabrics having warp and weft densities of 136 and 118 per 2.54 cm, respectively. This woven fabric was dyed and post-finished in the same manner as in Example 1 to obtain an elastic cotton fabric of the present invention. The finished product has warp and weft densities of 138 and 2.5 per 2.54 cm, respectively.
It was 20. The characteristics of the obtained product of the present invention are shown in Table 1.

【0016】比較例1 経糸及び緯糸に綿紡績糸(50番手単糸、撚係数K=
4)を使用し、経糸及び緯糸密度がそれぞれ2.54c
m当り144本と80本のブロード織物を得て、通常の
精練、漂白、シルケット加工後、実施例1と同様にし
て、染色、後仕上げした。得られた織物の経糸及び緯糸
密度がそれぞれ2.54cm当り155本と82本であ
り、この織物の特性を表1に示した。
Comparative Example 1 As a warp and a weft, a cotton spun yarn (50 count single yarn, twist coefficient K =
4) is used and the warp and weft densities are each 2.54c.
Broad fabrics of 144 and 80 per m were obtained, and after the usual scouring, bleaching and mercerizing, dyeing and post-finishing were carried out in the same manner as in Example 1. The warp and weft densities of the obtained woven fabric were 155 and 82 yarns per 2.54 cm, respectively, and the characteristics of this woven fabric are shown in Table 1.

【0017】[0017]

【表1】 [Table 1]

【0018】本発明品は綿織物でありながら、伸縮性が
あり、着ジワが起きにくく、しかも従来になく高濃度に
染色できることがわかる。
It can be seen that the product of the present invention is a cotton woven fabric, but has elasticity and is unlikely to cause wrinkles, and can be dyed at a high density as never before.

【0019】[0019]

【発明の効果】本発明によれば、綿織物でありながら、
伸縮性があり着心地がよく、着ジワが起きにくく、しか
も従来になく高濃度に染色でき、ブラックフォーマル用
アウターなどに好適な綿織物を提供することができる。
According to the present invention, although it is a cotton fabric,
It is possible to provide a cotton fabric that is stretchable and comfortable to wear, is less likely to cause wrinkles, and can be dyed at a higher density than ever before, and is suitable for black formal outerwear and the like.

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】KES法の引張り試験による経方向の伸度
が5〜15%、緯方向の伸度が10〜30%であり、着
ジワ性(JIS L 1059 リンクル法に準拠)が
2.5級以上であることを特徴とする伸縮性綿織物。
1. A KES method has a tensile strength of 5 to 15% in a warp direction and a tensile strength of 10 to 30% in a weft direction, and has wrinkle resistance (according to JIS L 1059 wrinkle method). A stretchable cotton fabric characterized by being of 5th grade or higher.
【請求項2】KES法の引張り試験による経方向の伸度
が5〜15%、緯方向の伸度が10〜30%であり、着
ジワ性(JIS L 1059 リンクル法に準拠)が
2.5級以上で、かつL*a*b*表色系測色値のL*値が
11以下であることを特徴とする伸縮性綿織物。
2. The elongation in the warp direction is 5 to 15%, the elongation in the weft direction is 10 to 30%, and the wrinkle property (in accordance with JIS L 1059 wrinkle method) is 2. A stretchable cotton fabric having a grade 5 or higher and an L * a * b * colorimetric L * value of 11 or less.
【請求項3】前記綿織物が撚係数K=6以上の単糸又は
双糸の紡績糸を用いて得られたものであることを特徴と
する請求項1または請求項2に記載の伸縮性綿織物。
3. The stretchable cotton fabric according to claim 1 or 2, wherein the cotton fabric is obtained by using a single yarn or a double yarn spun yarn having a twist coefficient K = 6 or more. .
【請求項4】前記綿織物の経方向あるいは緯方向の少な
くとも一部にスパンデックス混繊糸を有することを特徴
とする請求項1〜3のいずれかに記載の伸縮性綿織物。
4. The stretchable cotton fabric according to any one of claims 1 to 3, wherein the cotton fabric has spandex mixed fiber yarns in at least a part of a warp direction or a weft direction.
JP2001331313A 2001-10-29 2001-10-29 Stretching cotton woven fabric Pending JP2003138452A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001331313A JP2003138452A (en) 2001-10-29 2001-10-29 Stretching cotton woven fabric

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001331313A JP2003138452A (en) 2001-10-29 2001-10-29 Stretching cotton woven fabric

Publications (1)

Publication Number Publication Date
JP2003138452A true JP2003138452A (en) 2003-05-14

Family

ID=19146915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001331313A Pending JP2003138452A (en) 2001-10-29 2001-10-29 Stretching cotton woven fabric

Country Status (1)

Country Link
JP (1) JP2003138452A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006012081A1 (en) * 2004-06-24 2006-02-02 Dow Global Technologies Inc. Stretch fabrics with wrinkle resistance
JP2012505731A (en) * 2008-10-20 2012-03-08 クリスティ モーリーン Thermal insulation bottle socks and related methods
CN103981616A (en) * 2014-04-02 2014-08-13 浙江理工大学 Micro-elastic woven plus material with knitting imitation effect and weaving process thereof
JP2016141902A (en) * 2015-01-30 2016-08-08 旭化成株式会社 fabric
CN106319724A (en) * 2015-06-15 2017-01-11 张家港市宏盛贸易有限公司 A production process for cotton textiles
JP2019199669A (en) * 2018-05-17 2019-11-21 株式会社アズ Denim fabric and manufacturing method thereof
CN111020794A (en) * 2019-12-26 2020-04-17 杭州卓达染整有限公司 Treatment process of polyester double-layer four-side elastic fabric

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006012081A1 (en) * 2004-06-24 2006-02-02 Dow Global Technologies Inc. Stretch fabrics with wrinkle resistance
JP2008504459A (en) * 2004-06-24 2008-02-14 ダウ グローバル テクノロジーズ インコーポレイティド Stretchable fiber with wrinkle resistance
AU2005267424B2 (en) * 2004-06-24 2009-01-08 Dow Global Technologies Inc. Stretch fabrics with wrinkle resistance
JP2012505731A (en) * 2008-10-20 2012-03-08 クリスティ モーリーン Thermal insulation bottle socks and related methods
CN103981616A (en) * 2014-04-02 2014-08-13 浙江理工大学 Micro-elastic woven plus material with knitting imitation effect and weaving process thereof
JP2016141902A (en) * 2015-01-30 2016-08-08 旭化成株式会社 fabric
CN106319724A (en) * 2015-06-15 2017-01-11 张家港市宏盛贸易有限公司 A production process for cotton textiles
JP2019199669A (en) * 2018-05-17 2019-11-21 株式会社アズ Denim fabric and manufacturing method thereof
JP7105476B2 (en) 2018-05-17 2022-07-25 株式会社アズ Denim fabric and its manufacturing method
CN111020794A (en) * 2019-12-26 2020-04-17 杭州卓达染整有限公司 Treatment process of polyester double-layer four-side elastic fabric

Similar Documents

Publication Publication Date Title
KR102158057B1 (en) Stretch yarns and fabrics with multiple elastic yarns
MXPA02007495A (en) Woven stretch fabric.
CN215328552U (en) Composite yarn and elastic fabric
CN109763240A (en) A kind of production technology of terylene four sides stretch yarn dyed fabric
JP5433259B2 (en) Composite spun yarn, production method thereof, and fabric using the composite spun yarn
CN116457513A (en) Woven/knitted fabrics, methods of manufacture and fibrous articles
JP2004124348A (en) Composite woven fabric
JP2003138452A (en) Stretching cotton woven fabric
CN115323550A (en) Composite yarn and application thereof in preparing moisture-absorbing, breathable and anti-wrinkle fabric
JP5113112B2 (en) Synthetic fiber yarn and knitted fabric
US12060662B2 (en) Towel cloth and manufacturing method thereof
JP6670772B2 (en) Blended spun yarn and textile products using the same for textiles and clothing
JP2019214814A (en) Spun yarn and woven or knitted fabric
JP3267746B2 (en) Method for producing composite fiber woven / knitted fabric
CN220619275U (en) Heavy comfortable jean fabric with strong texture sense and garment
CN223134697U (en) Soft and thick denim fabrics and clothing
JP4240803B2 (en) school uniform
CN222574923U (en) Clear and soft jean fabric and garment
JPH06272140A (en) Knitted fabric
CN218910680U (en) Comfortable elastic sponge jean fabric and jean garment
CN220166370U (en) Wear-resistant multi-surface elastic jean fabric and garment
JP4240839B2 (en) school uniform
JP2002317348A (en) Stretch fabric for bottom
JP2023060833A (en) stretch fabric
CN116461183A (en) Silk-sandwiched fabric of viscose fiber, spandex fiber and polyester fiber and production method thereof

Legal Events

Date Code Title Description
A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20050224

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20050303

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20050929