WO2008081662A1 - 伸縮シート及びその製造方法 - Google Patents

伸縮シート及びその製造方法 Download PDF

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Publication number
WO2008081662A1
WO2008081662A1 PCT/JP2007/072871 JP2007072871W WO2008081662A1 WO 2008081662 A1 WO2008081662 A1 WO 2008081662A1 JP 2007072871 W JP2007072871 W JP 2007072871W WO 2008081662 A1 WO2008081662 A1 WO 2008081662A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic filaments
stretchable sheet
stretching
composite
nonwoven fabrics
Prior art date
Application number
PCT/JP2007/072871
Other languages
English (en)
French (fr)
Inventor
Takanobu Miyamoto
Hideyuki Kobayashi
Koji Kanazawa
Hiroshi Kohira
Wataru Saka
Takeshi Miyamura
Original Assignee
Kao Corporation
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
Priority claimed from JP2007192665A external-priority patent/JP5188117B2/ja
Priority claimed from JP2007233410A external-priority patent/JP4918002B2/ja
Application filed by Kao Corporation filed Critical Kao Corporation
Priority to EP07832596.6A priority Critical patent/EP2098363B1/en
Priority to KR1020097011771A priority patent/KR101368848B1/ko
Priority to US12/519,042 priority patent/US20100075103A1/en
Priority to CN200780045872.8A priority patent/CN101557929B/zh
Publication of WO2008081662A1 publication Critical patent/WO2008081662A1/ja

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Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B25/00—Layered products comprising a layer of natural or synthetic rubber
    • B32B25/10—Layered products comprising a layer of natural or synthetic rubber next to a fibrous or filamentary layer
    • 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
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    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
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    • 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
    • A61F13/51—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 outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51456—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties
    • A61F13/51464—Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by its properties being stretchable or elastomeric
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    • 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
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    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
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    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
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    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/02—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling
    • D—TEXTILES; PAPER
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    • Y10T428/24132—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in different layers or components parallel

Abstract

　伸縮シート１０は、互いに交差せずに一方向に延びるように配列した多数の弾性フィラメント１３が、実質的に非伸長状態で、それらの全長にわたり、伸長可能な不織布１１，１２に接合されてなる。伸縮シート１０は、紡糸ノズル１６から紡出された溶融状態の多数の弾性フィラメント１３を所定速度で引き取って延伸しつつ、弾性フィラメント１３の固化前に、弾性フィラメント１３が互いに交差せず一方向に配列するように弾性フィラメント１３を不織布１１，１２に融着させ、次いで弾性フィラメント１３が融着した複合体１９を、弾性フィラメント１３の延びる方向に沿って延伸して複合体１９に伸縮性を付与することで製造される。
PCT/JP2007/072871 2006-12-28 2007-11-27 伸縮シート及びその製造方法 WO2008081662A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP07832596.6A EP2098363B1 (en) 2006-12-28 2007-11-27 Stretch sheet and process of producing the same
KR1020097011771A KR101368848B1 (ko) 2006-12-28 2007-11-27 신축 시트 및 그 제조방법
US12/519,042 US20100075103A1 (en) 2006-12-28 2007-11-27 Stretch sheet and process of producing the same
CN200780045872.8A CN101557929B (zh) 2006-12-28 2007-11-27 伸缩片材及其制造方法

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EP3640018B1 (en) * 2009-09-04 2022-08-03 MEGA PLAST Industrial - Exporting S.A. Reinforced thin film for flexible packaging
WO2016121978A1 (ja) * 2015-01-30 2016-08-04 大王製紙株式会社 吸収性物品及びその製造方法
JP6044810B1 (ja) * 2015-09-30 2016-12-14 大王製紙株式会社 伸縮部を有する吸収性物品
JP6052747B1 (ja) * 2015-09-30 2016-12-27 大王製紙株式会社 伸縮領域を有する吸収性物品
JP2017064232A (ja) * 2015-09-30 2017-04-06 大王製紙株式会社 伸縮領域を有する吸収性物品
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CN112692147B (zh) * 2020-12-07 2022-12-02 广东石油化工学院 一种轧制差厚板盒形件智能拉深控制系统及方法
JP7075469B1 (ja) 2020-12-07 2022-05-25 花王株式会社 パンツ型吸収性物品及びその製造方法

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