JP5371951B2 - 弾性不織布複合材の製法 - Google Patents
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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
- A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Biomedical Technology (AREA)
- Veterinary Medicine (AREA)
- Manufacturing & Machinery (AREA)
- Nonwoven Fabrics (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Treatment Of Fiber Materials (AREA)
- Laminated Bodies (AREA)
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 (23)
- 別の製造過程で製造された第1の不織布層(4、4a)の長手方向(L)で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、
前記多数の弾性フィラメント(6)を本質的に延伸することなく応力係数1.5未満で第1の不織布層(4、4a)の第1の面(70)に直接接合することと、
第1の面(72)および第2の面(71)を有し、別の製造過程で製造された第2の不織布層(10、10a)を、第2の不織布層(10、10a)の第2の面(71)が、第1の不織布層(4、4a)の第1の面(70)に相対するように供給することと、
弾性フィラメント(6)が接合された第1の不織布層(4、4a)と、第2の不織布層(10、10a)と、を、第1の不織布層(4、4a)における弾性フィラメント(6)が接合された第1の面(70)が、第2の不織布層(10、10a)の第2の面(71)に相対するように、第1の滑面ロールと島状突起のある第2のロールとを有するカレンダロール対(13)で形成されるプレス間隔(12)に供給することによって、第2の不織布層(10、10a)の第2の面(71)が第1の不織布層(4、4a)の第1の面(70)と点状接合パターンで接合され、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、かつ第2の不織布層(10、10a)とも接合され、これによって複合材(14)を形成することと、
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)の第1の領域(20)を第2の領域(21)より強く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、
第1の不織布層(4、4a)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%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。
- 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)のウェブのくびれが50%未満であ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。
- 第2の不織布層(10、10a)の第1の領域(20)を第2の不織布層(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5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7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%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。
- 弾性フィラメント(6)を本質的に延伸せずに、1.3未満の応力係数で第2の不織布層(10、10a)と接合することを特徴とする請求項7から9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であ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。
- 弾性フィラメント(6)がポリウレタン、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11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11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12のいずれか一項に記載の方法。
- 請求項1から14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個の交点を有することを特徴とする請求項15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であることを特徴とする請求項15または16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を有することを特徴とする請求項15から17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の間隔を相互に有することを特徴とする請求項15から18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%未満であるが、5%より大きいことを特徴とする請求項15から19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の繊度より大きいことを特徴とする請求項15から20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15から21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前記請求項15から21のいずれか一項に記載の不織布複合材(24)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であることを特徴とする請求項22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 |
---|---|---|---|
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 |
Publications (3)
Publication Number | Publication Date |
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JP2010525179A JP2010525179A (ja) | 2010-07-22 |
JP2010525179A5 JP2010525179A5 (ja) | 2010-10-28 |
JP5371951B2 true JP5371951B2 (ja) | 2013-12-18 |
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JP2010503366A Active JP5371951B2 (ja) | 2007-04-17 | 2008-03-15 | 弾性不織布複合材の製法 |
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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 |
CN102791917B (zh) * | 2010-03-12 | 2014-11-05 | 埃克森美孚化学专利公司 | 制备耐热无纺织物的方法 |
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 |
US20150320613A1 (en) | 2014-05-08 | 2015-11-12 | The Procter & Gamble Company | Waist-to-side silhouettes of adult disposable absorbent articles and arrays |
US10478352B2 (en) | 2014-05-08 | 2019-11-19 | The Procter & Gamble Company | Length-to-side silhouettes of adult disposable absorbent articles and arrays |
CA2947961A1 (en) | 2014-05-08 | 2015-11-12 | The Procter & Gamble Company | Hip to side silhouettes of adult disposable absorbent articles and arrays |
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US10864117B2 (en) | 2014-10-09 | 2020-12-15 | The Procter & Gamble Company | Length-to-waist and hip-to-side silhouettes of adult disposable absorbent articles and arrays |
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WO2008125175A2 (de) | 2008-10-23 |
EP2136753A2 (de) | 2009-12-30 |
WO2008125175A3 (de) | 2009-01-22 |
RU2471902C2 (ru) | 2013-01-10 |
CN101674792A (zh) | 2010-03-17 |
CN101674792B (zh) | 2013-04-17 |
DE102007018377A1 (de) | 2008-10-23 |
JP2010525179A (ja) | 2010-07-22 |
US20100022151A1 (en) | 2010-01-28 |
AU2008238347B2 (en) | 2013-05-02 |
AU2008238347A1 (en) | 2008-10-23 |
RU2009141579A (ru) | 2011-06-10 |
EP2136753B1 (de) | 2011-05-25 |
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