JP2010525179A - 弾性不織布複合材の製法 - Google Patents
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- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/15577—Apparatus or processes for manufacturing
- A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
- A61F13/15593—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/04—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer characterised by a layer being specifically extensible by reason of its structure or arrangement, e.g. by reason of the chemical nature of the fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
- Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
- Y10T442/601—Nonwoven fabric has an elastic quality
- Y10T442/602—Nonwoven fabric comprises an elastic strand or fiber material
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Abstract
Description
3 ロール
4 不織布層
4a 不織布層
5 接触領域
6 弾性フィラメント
7 押出機
8 出口ノズル
9 前積層物
10 不織布層
11 ロール
12 プレス間隙
13 カレンダロール対
14 ウェブ
14 複合材
15 延伸ロール対
16 表面
17 溝
20 領域
21 領域
22 接触区分
24 不織布複合材
24 不織布複合材ウェブ
30 部分片
31 ロール
31 ロール対
32 ロール
35 延伸性
48 領域
49 領域
50 溶融結合部
51 溶融結合部
60 衛生用品
61 側縁区分
62 ウエストエッジ
64 前方部材
65 後方部材
66 吸収部材
68 不織布複合材片
70 第1の面
71 第2の面
72 第1の面
Claims (26)
- 長手方向(L)での第1の不織布層(4、4a)の供給および搬送と、
多数の弾性フィラメント(6)の供給と、
複合材(14)を得るための前記多数の弾性フィラメント(6)と前記不織布層(4、4a)の第1の面(70)の接合と、
前記複合材(14)を溝付きのかみ合う対の延伸ロール(15)の隙間に通して長手方向(L)での前記不織布層(4、4a)を少なくとも部分的に過延伸させることによる複合材(14)の長手方向(L)への延伸と、を含み、その際、弾性フィラメント(6)は、本質的に長手方向(L)に配向されていて、その結果、少なくとも1cm2につき互いに最大10個の交点を有するように不織布複合材中に配置されている、弾性不織布複合材(24)のウェブの製法。 - 不織布複合材(24)の長手方向(L)の延伸率が35〜300%、特に50〜200%であることを特徴とする請求項1に記載の方法。
- 前記方法に弾性フィラメント(6)の押出が含まれることを特徴とする請求項1または2に記載の方法。
- 弾性フィラメント(6)を直接第1の不織布層(4、4a)と接合し、その際、弾性フィラメント(6)を不織布層(4、4a)といっしょに第2のロール対、特にカレンダロール対(13)、のプレス間隙(12)、特に加熱可能なプレス間隙(12)、に通すことを特徴とする請求項1から3のいずれか一項に記載の方法。
- 不織布複合材(24)のウェブを第1の不織布層(4、4a)の過延伸後にその横方向の長さで固定し、その結果、ウェブの横方向(Q)のくびれを阻止することを特徴とする請求項1から4のいずれか一項に記載の方法。
- 不織布複合材(24)のウェブのくびれが50%未満、さらに特に30%未満、さらに特に20%未満、さらに特に10%未満、であることを特徴とする請求項1から5のいずれか一項に記載の方法。
- 前記方法に第1の面(72)および第2の面(71)を有する第2の不織布層(10、10a)の供給が含まれることを特徴とする請求項1から6のいずれか一項に記載の方法。
- 第2の不織布層(10、10a)の第2の面(71)を第1の不織布層(4、4a)の第1の面(70)と接合し、その結果、弾性フィラメント(6)が第1の不織布層(4、4a)と第2の不織布層(10、10a)との間にサンドイッチ状に配置され、かつ好ましくは第2の不織布層(10、10a)とも接合されることを特徴とする請求項7記載の方法。
- 第1および/または第2の不織布層(4、4a、10、10a)の第1の領域(20)を各不織布層(4、4a、10、10a)の第2の領域(21)より強く過延伸することを特徴とする請求項1から8のいずれか一項に記載の方法。
- 第2の領域(21)を本質的に過延伸しないことを特徴とする請求項1から9のいずれか一項に記載の方法。
- 第1および/または第2の不織布層(4、4a、10、10a)の第1の領域(20)および第2の領域(21)を長手方向(L)を横切るストリップ状に交互に配置することを特徴とする請求項1から10のいずれか一項に記載の方法。
- 複合材(14)を溝付きのかみ合う対の延伸ロール(15)の隙間に通すことにより35〜300%、特に50〜200%延伸することを特徴とする請求項1から11のいずれか一項に記載の方法。
- 弾性フィラメント(6)を本質的に延伸せずに、殊に応力係数好ましくは1.5未満、特に1.3未満、さらに好ましくは1.2未満、さらに好ましくは1.1未満、さらに好ましくは1.05未満で第1および/または第2の不織布層(4、4a、10、10a)と接合することを特徴とする請求項1から12のいずれか一項に記載の方法。
- 弾性フィラメント(6)の太さが4〜700dtex、特に50〜300dtex、殊に100〜200dtexであることを特徴とする請求項1から13のいずれか一項に記載の方法。
- 弾性フィラメント(6)が熱可塑性ポリマー、特に、ポリウレタン、弾性ポリエステル、弾性ポリアミド、弾性ポリオレフィンまたは弾性ブロック共重合体の群から選択された押出可能なポリマー、を含有するかあるいはこのようなポリマーからなることを特徴とする請求項1から14のいずれか一項に記載の方法。
- 弾性フィラメント(6)が持続的な付着力を有するポリマーを含有するかあるいはこのようなポリマーからなることを特徴とする請求項1から14のいずれか一項に記載の方法。
- 第1および/または第2の不織布層(4、4a、10、10a)は長手方向(L)に、および/または横方向(Q)にも非弾性であることを特徴とする請求項1から15のいずれか一項に記載の方法。
- 請求項1から17のいずれか一項に記載の方法により製造される弾性不織布複合材(24)。
- 弾性フィラメント(6)が1cm2につき互いに最大8個、特に最大5個、特に最大3個、さらに特に最大1個、殊に0個の交点を有することを特徴とする請求項18記載の不織布複合材(24)。
- 弾性フィラメント(6)の太さが4〜700dtex、特に50〜300dtex、殊に100〜200dtexであることを特徴とする請求項18または19記載の不織布複合材(24)。
- 第1の不織布層(4、4a)および/または第2の不織布層(10、10a)が単位面積当り重量5〜30g/m2、特に8〜25g/m2、さらに特に10〜22g/m2、殊に12〜18g/m2を有することを特徴とする請求項18から20のいずれか一項に記載の不織布複合材(24)。
- 弾性フィラメント(6)が横方向に0.5〜10mm、好ましくは1〜5mm、好ましくは1.2〜3.5mm、の間隔を相互に有することを特徴とする請求項18から21のいずれか一項に記載の不織布複合材(24)。
- 不織布複合材(24)の全重量における弾性フィラメント(6)の重量の比率が40%未満、特に30%未満、さらに特に20%未満、さらに特に15%未満、さらに特に10%未満、であるが、しかし好ましくは5%より大きいことを特徴とする請求項18から22のいずれか一項に記載の不織布複合材。
- 第1の不織布層(4、4a)が、また好ましくは第2の不織布層(10、10a)も、dtexで測定された第1の繊度を有する繊維を含有するかまたはこのような繊維からなり、弾性フィラメント(6)は第2の繊度を有し、その際、この第2の繊度は第1の繊度より大きく、好ましくは100%まで大きく、さらに好ましくは200%まで大きく、さらに好ましくは500%まで大きく、しかしながら特に最大5000%大きく、好ましくは最大4000%、さらに好ましくは最大3000%大きいことを特徴とする請求項18から23のいずれか一項に記載の不織布複合材。
- ウエスト開口部を形成し円周方向に間断なく閉じたウエストエッジ(62)と、股ぐり(63)と、縦方向の側縁区分(61)を有する前方部材(64)および後方部材(65)、この際、前方部材と後方部材は互いに衛生用品の長手方向に間隔をあけている、と、これら前方部材(64)と後方部材(65)を衛生用品の長手方向につなぐ吸収部材(66)、この際、前方部材(64)と後方部材(65)との縦方向の側縁区分(61)が製造業者側で互いに結合されていることによって、円周方向に間断なく閉じたウエストエッジ(62)および股ぐり(63)が形成されており、かつこの際、前方部材(64)および/または後方部材(65)が前記請求項18から24のいずれか一項に記載の不織布複合材(24)を含有するかまたはそのような不織布複合材からなり、かつこの際、不織布複合材(24)の長手方向(L)が衛生用品(60)の長手方向(LR)に対しほぼ垂直になっている、とを有するパンツ形の使い捨て可能な吸収性の衛生用品(60)。
- 衛生用品の長手方向(LR)における前方部材(64)および/または後方部材(65)の不織布複合材(24)の長さが8〜50cm、特に10〜40cm、殊に12〜30cm、であることを特徴とする請求項25記載の使い捨て可能な吸収性の衛生用品(2)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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DE102007018377A DE102007018377A1 (de) | 2007-04-17 | 2007-04-17 | Verfahren zur Herstellung eines elastischen Vliesstoffverbundmaterials |
DE102007018377.3 | 2007-04-17 | ||
PCT/EP2008/002092 WO2008125175A2 (de) | 2007-04-17 | 2008-03-15 | Verfahren zur herstellung eines elastischen vliesstoffverbundmaterials |
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JP2010525179A true JP2010525179A (ja) | 2010-07-22 |
JP2010525179A5 JP2010525179A5 (ja) | 2010-10-28 |
JP5371951B2 JP5371951B2 (ja) | 2013-12-18 |
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US (1) | US20100022151A1 (ja) |
EP (1) | EP2136753B1 (ja) |
JP (1) | JP5371951B2 (ja) |
CN (1) | CN101674792B (ja) |
AT (1) | ATE510524T1 (ja) |
AU (1) | AU2008238347B2 (ja) |
DE (1) | DE102007018377A1 (ja) |
RU (1) | RU2471902C2 (ja) |
WO (1) | WO2008125175A2 (ja) |
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TWI501757B (zh) | 2008-12-24 | 2015-10-01 | Kao Corp | Wearing articles and their manufacturing methods |
EP2545215B1 (en) * | 2010-03-12 | 2014-08-27 | ExxonMobil Chemical Patents Inc. | Method for producing temperature resistant nonwovens |
DE102010019702A1 (de) | 2010-05-07 | 2011-11-10 | Paul Hartmann Ag | Verfahren zur Herstellung eines elastischen Vliesstoffverbundmaterials |
CN102490415A (zh) * | 2011-11-14 | 2012-06-13 | 成都彩虹环保科技有限公司 | 多层弹性复合材料及其制造装置 |
JP2014231646A (ja) * | 2013-05-28 | 2014-12-11 | 日東電工株式会社 | 防食シート製造方法及び防食シート製造設備 |
WO2015171384A1 (en) | 2014-05-08 | 2015-11-12 | The Procter & Gamble Company | Length to side silhouettes of adult disposable absorbent articles and arrays |
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- 2008-03-15 CN CN2008800125368A patent/CN101674792B/zh active Active
- 2008-03-15 RU RU2009141579/12A patent/RU2471902C2/ru active
- 2008-03-15 EP EP08734628A patent/EP2136753B1/de active Active
- 2008-03-15 AT AT08734628T patent/ATE510524T1/de active
- 2008-03-15 AU AU2008238347A patent/AU2008238347B2/en active Active
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Publication number | Publication date |
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EP2136753B1 (de) | 2011-05-25 |
CN101674792B (zh) | 2013-04-17 |
JP5371951B2 (ja) | 2013-12-18 |
CN101674792A (zh) | 2010-03-17 |
WO2008125175A2 (de) | 2008-10-23 |
RU2471902C2 (ru) | 2013-01-10 |
WO2008125175A3 (de) | 2009-01-22 |
RU2009141579A (ru) | 2011-06-10 |
AU2008238347A1 (en) | 2008-10-23 |
AU2008238347B2 (en) | 2013-05-02 |
US20100022151A1 (en) | 2010-01-28 |
ATE510524T1 (de) | 2011-06-15 |
DE102007018377A1 (de) | 2008-10-23 |
EP2136753A2 (de) | 2009-12-30 |
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