JP2014051771A - 物理的または熱的変形を生じさせることなく穿孔された不織布ウェブを製造する方法及びその不織布ウェブを含む吸収性物品 - Google Patents
物理的または熱的変形を生じさせることなく穿孔された不織布ウェブを製造する方法及びその不織布ウェブを含む吸収性物品 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
- D04H1/495—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet for formation of patterns, e.g. drilling or rearrangement
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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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- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
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- D—TEXTILES; PAPER
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- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
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- A61F13/15203—Properties of the article, e.g. stiffness or absorbency
- A61F2013/15284—Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
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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
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- A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—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 absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
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- A—HUMAN NECESSITIES
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- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Biomedical Technology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Mechanical Engineering (AREA)
- Forests & Forestry (AREA)
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Abstract
【解決手段】本発明の吸収性物品は、液体透過性の表面シートと、液体不透過性の背面シートと、前記表面シート及び前記背面シートの間に配置された、前記表面シートを透過した液体を吸収するための吸収体と、前記表面シート及び前記吸収体の間に配置された、前記表面シートを透過した液体を前記吸収体へ送達するためのサージ層とを含む。サージ層は、物理的または熱的変形を生じさせることなく穿孔された不織布ウェブを含む。
【選択図】図3
Description
コードG:TABCW材料の不織布ウェブ(70gsm、穿孔されていない)
コードF:TABCW材料の不織布ウェブ(70gsm、空気噴射により穿孔された)
コードF:TABCW材料(70gsm、空気噴射により穿孔された)のサージ層を含む吸収性物品
Claims (24)
- 物理的または熱的変形を生じさせることなく穿孔された不織布ウェブを製造する方法であって、
繊維を混合するステップと、
前記混合された繊維をオープニングするステップと、
前記オープニングされた繊維をカーディングするステップと、
前記カーディングされた繊維を物理的または熱的変形を生じさせることなく穿孔するステップと、
前記穿孔された繊維をボンディングするステップと、
前記ボンディングされた繊維をフィニッシングするステップと
を含むことを特徴とする方法。 - 前記穿孔するステップが、所定圧力の空気を前記カーディングされた繊維に向かって断続的に噴射して、貫通孔を形成すると共に前記貫通孔の周囲の前記カーディングされた繊維を押し広げることにより行われることを特徴とする請求項1に記載の方法。
- 前記カーディングするステップ及び前記穿孔するステップが、前記オープニングされた繊維を突起を有するコンベヤ上でカーディングすることにより同時に行われ、
前記ボンディングするステップが、前記不織布ウェブの表面及び/又は底面に対して所定の空気圧力または可変的な圧力を加えることにより行われることを特徴とする請求項1に記載の方法。 - 請求項1〜3のうちのいずれか一項に記載の方法によって製造されることを特徴とする物理的または熱的変形を生じさせることなく穿孔して貫通孔を形成した不織布ウェブ。
- 前記貫通孔の総面積が前記不織布ウェブの全面積の5〜80%の範囲であることを特徴とする請求項4に記載の不織布ウェブ。
- 前記貫通孔の直径が2〜30mmの範囲であることを特徴とする請求項4に記載の不織布ウェブ。
- 前記貫通孔の直径が5〜10mmの範囲であることを特徴とする請求項6に記載の不織布ウェブ。
- 前記不織布ウェブの坪量が20〜400gsmの範囲であることを特徴とする請求項4に記載の不織布ウェブ。
- 吸収性物品であって、
液体透過性の表面シートと、
液体不透過性の背面シートと、
前記表面シート及び前記背面シートの間に配置された、前記表面シートを透過した液体を吸収するための吸収体と、
前記表面シート及び前記吸収体の間に配置された、前記表面シートを透過した液体を前記吸収体へ送達するためのサージ層とを含み、
前記サージ層が、請求項4に記載の物理的または熱的変形を生じさせることなく穿孔して貫通孔を形成した不織布ウェブを含むことを特徴とする吸収性物品。 - 前記貫通孔の総面積が前記不織布ウェブの全面積の5〜80%の範囲であることを特徴とする請求項9に記載の吸収性物品。
- 前記貫通孔の直径が2〜30mmの範囲であることを特徴とする請求項9に記載の吸収性物品。
- 前記貫通孔の直径が5〜10mmの範囲であることを特徴とする請求項11に記載の吸収性物品。
- 前記不織布ウェブの坪量が20〜400gsmの範囲であることを特徴とする請求項9に記載の吸収性物品。
- 吸収性物品であって、
液体透過性の表面シートと、
液体不透過性の背面シートと、
前記表面シート及び前記背面シートの間に配置された、前記表面シートを透過した液体を吸収するための吸収体と、
前記表面シート及び前記吸収体の間に配置された、前記表面シートを透過した液体を前記吸収体へ送達するためのサージ層とを含み、
前記サージ層が、請求項4に記載の物理的または熱的変形を生じさせることなく穿孔して貫通孔を形成した有孔不織布ウェブと、前記有孔不織布ウェブ上に積層させた無孔不織布ウェブとを含む積層体を含むことを特徴とする吸収性物品。 - 前記貫通孔の総面積が前記有孔不織布ウェブの全面積の5〜80%の範囲であることを特徴とする請求項14に記載の吸収性物品。
- 前記貫通孔の直径が2〜30mmの範囲であることを特徴とする請求項14に記載の吸収性物品。
- 前記貫通孔の直径が5〜10mmの範囲であることを特徴とする請求項16に記載の吸収性物品。
- 前記有孔不織布ウェブの坪量が20〜400gsmの範囲であることを特徴とする請求項14に記載の吸収性物品。
- 前記無孔不織布ウェブの坪量が10〜30gsmの範囲であることを特徴とする請求項14に記載の吸収性物品。
- 吸収性物品であって、
液体透過性の表面シートと、
液体不透過性の背面シートと、
前記表面シート及び前記背面シートの間に配置された、前記表面シートを透過した液体を吸収するための吸収体と、
前記表面シート及び前記吸収体の間に配置された、前記表面シートを透過した液体を前記吸収体へ送達するためのサージ層とを含み、
前記表面シートが、請求項4に記載の物理的または熱的変形を生じさせることなく穿孔して貫通孔を形成した不織布ウェブを含むことを特徴とする吸収性物品。 - 前記貫通孔の総面積が前記不織布ウェブの全面積の5〜80%の範囲であることを特徴とする請求項20に記載の吸収性物品。
- 前記貫通孔の直径が2〜30mmの範囲であることを特徴とする請求項20に記載の吸収性物品。
- 前記貫通孔の直径が5〜10mmの範囲であることを特徴とする請求項22に記載の吸収性物品。
- 前記不織布ウェブの坪量が20〜400gsmの範囲であることを特徴とする請求項20に記載の吸収性物品。
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KR101132569B1 (ko) * | 2009-01-15 | 2012-04-05 | (주) 삼보 | 에어를 이용한 천공 부직포의 제조 장치 및 그 제조 장치를적용한 천공 부직포의 제조 방법 및 그 제조 방법에 의해 제조된 천공 부직포 |
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RU2509182C2 (ru) | 2014-03-10 |
ZA201102314B (en) | 2012-06-27 |
BRPI0913723A2 (pt) | 2015-10-13 |
RU2011115104A (ru) | 2012-10-27 |
JP2012503107A (ja) | 2012-02-02 |
CN102159757B (zh) | 2014-11-05 |
JP2014062352A (ja) | 2014-04-10 |
BRPI0913723B8 (pt) | 2019-08-20 |
WO2010032951A2 (en) | 2010-03-25 |
AR073614A1 (es) | 2010-11-17 |
BRPI0913723B1 (pt) | 2018-11-21 |
JP5520304B2 (ja) | 2014-06-11 |
WO2010032951A3 (en) | 2010-07-15 |
MX2011002725A (es) | 2011-06-20 |
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JP5744156B2 (ja) | 2015-07-01 |
KR20100033209A (ko) | 2010-03-29 |
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