JP2017153768A - 吸収性物品 - Google Patents
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- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
- A61F13/4751—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
- A61F13/4756—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means consisting of grooves, e.g. channels, depressions or embossments, resulting in a heterogeneous surface level
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- A61F13/533—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
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- A61F13/00—Bandages or dressings; Absorbent pads
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- 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
- A61F13/47—Sanitary towels, incontinence pads or napkins
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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
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5123—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations the apertures being formed on a multilayer top sheet
- A61F13/5125—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations the apertures being formed on a multilayer top sheet the apertures not being formed through the complete thickness of the topsheet, e.g. blind holes
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- A—HUMAN NECESSITIES
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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
- A61F13/53—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
- A61F13/531—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 a homogeneous composition through the thickness of the pad
- A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
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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
- A61F13/53—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
- 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
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- A—HUMAN NECESSITIES
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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
- A61F13/53—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
- 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
- A61F13/53704—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 an inhibiting function on liquid propagation
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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
- A61F13/53—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
- A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
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Abstract
【解決手段】透液性表面シート3と不透液性裏面シート2との間に吸収体4が介在されるとともに、透液性表面シート3と吸収体4との間にセカンドシート6が配設される。吸収体4の体液排出部対応領域Hを含む長手方向の両側部にそれぞれ、長手方向に沿って、厚み方向に貫通するスリット10、10を形成するとともに、セカンドシート6がスリット10の内面に沿って配設され、且つスリット10においてセカンドシート6及び不透液性裏面シート2が一体化された凹溝11を形成する。セカンドシート6は、少なくとも凹溝11の一方の側面を形成する部分が撥水性を有している。
【選択図】図3
Description
前記吸収体の体液排出部対応領域を含む長手方向の両側部にそれぞれ、長手方向に沿って、厚み方向に貫通するスリットが形成されるとともに、前記セカンドシートが前記スリットの内面に沿って配設され、且つ前記スリットにおいて前記セカンドシート及び裏面シートが一体化された凹溝が形成され、
前記セカンドシートは、少なくとも前記凹溝の一方の側面を形成する部分が撥水性を有していることを特徴とする吸収性物品が提供される。
本発明に係る生理用ナプキン1は、図1及び図2に示されるように、ポリエチレンシートなどからなる不透液性裏面シート2と、経血やおりものなど(以下、まとめて体液という。)を速やかに透過させる透液性表面シート3と、これら両シート2,3間に介装された綿状パルプまたは合成パルプなどからなる吸収体4と、肌当接面側の両側部に長手方向に沿ってほぼ全長に亘って設けられたサイド不織布7と、前記透液性表面シート3と吸収体4との間に配設されたセカンドシート6とを備え、かつ前記吸収体4の周囲においては、その上下端縁部では前記不透液性裏面シート2と透液性表面シート3との外縁部がホットメルトなどの接着剤やヒートシール、超音波シール等の接合手段によって接合され、またその両側縁部では吸収体4よりも側方に延出している前記不透液性裏面シート2と前記サイド不織布7とがホットメルトなどの接着剤やヒートシール、超音波シール等の接合手段によって接合され、これら不透液性裏面シート2とサイド不織布7とによる積層シート部分によって側方に突出するウイング状フラップW、Wが形成されているとともに、これよりも臀部側に位置する部分にヒップホールド用フラップWB、WBが形成された着用者の臀部まで覆う後方に長い所謂夜用ナプキンである。前記吸収体4の形状保持および拡散性向上のために、前記吸収体4を囲繞するクレープ紙又は不織布などからなる被包シート(図示せず)を配設してもよい。
前記不透液性裏面シート2は、ポリエチレン等の少なくとも遮水性を有するシート材が用いられるが、蒸れ防止の観点から透湿性を有するものを用いるのが望ましい。この遮水・透湿性シート材としては、ポリエチレンやポリプロピレン等のオレフィン系樹脂中に無機充填剤を溶融混練してシートを成形した後、一軸または二軸方向に延伸することにより得られる微多孔性シートが好適に用いられる。前記不透液性裏面シート2の非肌側面(外面)にはナプキン長手方向に沿って1または複数条の粘着剤層(図示せず)が形成され、身体への装着時に生理用ナプキン1を下着に固定するようになっている。前記不透液性裏面シート2としては、プラスチックフィルムと不織布とを積層させたポリラミ不織布を用いてもよい。
本生理用ナプキン1では、横漏れを確実に防止し、視覚的に着用者に横漏れに対する不安感を生じさせにくくするため、吸収体4内の体液拡散を抑制する凹溝が備えられている。以下、この凹溝について詳細に説明する。
上記形態例では、サイド不織布7の内方側は、透液性表面シート3に接着されていたが、前記サイド不織布7の内方側をほぼ二重に折り返すとともに、この二重シート内部に、その高さ方向中間部に両端または長手方向の適宜の位置が固定された1または複数の糸状弾性伸縮部材が配設され、その収縮力によって前記二重シート部分を肌側に起立させた立体ギャザーが形成されるようにしてもよい。
Claims (9)
- 透液性表面シートと裏面シートとの間に吸収体が介在されるとともに、前記透液性表面シートと吸収体との間にセカンドシートが配設された吸収性物品において、
前記吸収体の体液排出部対応領域を含む長手方向の両側部にそれぞれ、長手方向に沿って、厚み方向に貫通するスリットが形成されるとともに、前記セカンドシートが前記スリットの内面に沿って配設され、且つ前記スリットにおいて前記セカンドシート及び裏面シートが一体化された凹溝が形成され、
前記セカンドシートは、少なくとも前記凹溝の一方の側面を形成する部分が撥水性を有していることを特徴とする吸収性物品。 - 前記セカンドシートは、前記凹溝の内面の全部を形成する部分が撥水性を有している請求項1記載の吸収性物品。
- 前記セカンドシートは、両側の前記スリットに跨る連続するシートからなり、両側の前記凹溝を形成する部分が撥水性を有するとともに、これらの間に位置する部分が親水性を有している請求項1、2いずれかに記載の吸収性物品。
- 前記セカンドシートは、両側の前記スリットにそれぞれ配設される撥水性シートとこれらの間に位置する親水性シートとが接合されて一体化された接合シートである請求項1、2いずれかに記載の吸収性物品。
- 前記セカンドシートは、両側の前記スリットにそれぞれ配設された撥水性シートからなる請求項1、2いずれかに記載の吸収性物品。
- 前記セカンドシートは、前記スリットより幅方向外側に延在した部分が親水性を有している請求項1〜5いずれかに記載の吸収性物品。
- 前記凹溝は、前記透液性表面シート及びセカンドシートが前記スリットの内面に沿って配設されるとともに、前記スリットにおいて前記透液性表面シート、セカンドシート及び裏面シートが一体化されている請求項1〜6いずれかに記載の吸収性物品。
- 前記セカンドシートの厚みは0.5〜10mmである請求項1〜7いずれかに記載の吸収性物品。
- 前記スリットは、長手方向に沿って連続的に形成されるか、長手方向の中間に不連続部を有する不連続的に形成されている請求項1〜8いずれかに記載の吸収性物品。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2016040807A JP6232459B2 (ja) | 2016-03-03 | 2016-03-03 | 吸収性物品 |
EP17759844.8A EP3424477B1 (en) | 2016-03-03 | 2017-02-24 | Absorbent article |
CN201780014365.1A CN108697564B (zh) | 2016-03-03 | 2017-02-24 | 吸收性物品 |
US16/080,431 US11065159B2 (en) | 2016-03-03 | 2017-02-24 | Absorbent article |
PCT/JP2017/007118 WO2017150378A1 (ja) | 2016-03-03 | 2017-02-24 | 吸収性物品 |
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JP2016040807A JP6232459B2 (ja) | 2016-03-03 | 2016-03-03 | 吸収性物品 |
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JP2017153768A true JP2017153768A (ja) | 2017-09-07 |
JP2017153768A5 JP2017153768A5 (ja) | 2017-11-02 |
JP6232459B2 JP6232459B2 (ja) | 2017-11-15 |
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JP2016040807A Active JP6232459B2 (ja) | 2016-03-03 | 2016-03-03 | 吸収性物品 |
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US (1) | US11065159B2 (ja) |
EP (1) | EP3424477B1 (ja) |
JP (1) | JP6232459B2 (ja) |
CN (1) | CN108697564B (ja) |
WO (1) | WO2017150378A1 (ja) |
Cited By (1)
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JP2020130803A (ja) * | 2019-02-22 | 2020-08-31 | 大王製紙株式会社 | 吸収性物品 |
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EP3549566B1 (en) * | 2018-04-05 | 2021-06-16 | Drylock Technologies NV | Absorbent article with reduced absorbent core |
JP7562627B2 (ja) | 2022-12-20 | 2024-10-07 | ユニ・チャーム株式会社 | 生理用吸収性物品 |
Citations (4)
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JP2002330992A (ja) * | 2001-05-10 | 2002-11-19 | Masami Yamamoto | ウイング部付き液吸収性物品 |
JP2013172813A (ja) * | 2012-02-24 | 2013-09-05 | Daio Paper Corp | 使い捨ておむつ |
JP2015044046A (ja) * | 2014-11-10 | 2015-03-12 | 王子ホールディングス株式会社 | 吸収性物品 |
JP2015047432A (ja) * | 2013-09-04 | 2015-03-16 | 大王製紙株式会社 | 吸収性物品 |
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US5891118A (en) | 1995-09-05 | 1999-04-06 | Kao Corporation | Absorbent article |
JP3527031B2 (ja) | 1995-10-17 | 2004-05-17 | 花王株式会社 | 吸収性物品 |
US6700034B1 (en) * | 1999-10-01 | 2004-03-02 | Kimberly-Clark Worldwide, Inc. | Absorbent article with unitary absorbent layer for center fill performance |
JP4198978B2 (ja) * | 2002-12-05 | 2008-12-17 | ユニ・チャーム株式会社 | 縦長の吸収性物品 |
JP4745079B2 (ja) | 2006-02-20 | 2011-08-10 | 花王株式会社 | 吸収性物品 |
WO2009107791A1 (ja) * | 2008-02-29 | 2009-09-03 | ユニ・チャーム株式会社 | 吸収性物品 |
JP5749907B2 (ja) * | 2010-08-31 | 2015-07-15 | ユニ・チャーム株式会社 | 吸収性物品及び生理用ナプキン |
JP5755860B2 (ja) * | 2010-09-10 | 2015-07-29 | ユニ・チャーム株式会社 | 吸収性物品及び生理用ナプキン |
JP6016564B2 (ja) * | 2012-10-01 | 2016-10-26 | 花王株式会社 | 吸収性物品 |
JP6334705B2 (ja) * | 2013-08-27 | 2018-05-30 | ザ プロクター アンド ギャンブル カンパニー | チャネルを有する吸収性物品 |
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JP2020130803A (ja) * | 2019-02-22 | 2020-08-31 | 大王製紙株式会社 | 吸収性物品 |
JP7263045B2 (ja) | 2019-02-22 | 2023-04-24 | 大王製紙株式会社 | 吸収性物品 |
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EP3424477B1 (en) | 2020-07-29 |
WO2017150378A1 (ja) | 2017-09-08 |
EP3424477A4 (en) | 2019-03-20 |
JP6232459B2 (ja) | 2017-11-15 |
CN108697564A (zh) | 2018-10-23 |
EP3424477A1 (en) | 2019-01-09 |
US20190008700A1 (en) | 2019-01-10 |
US11065159B2 (en) | 2021-07-20 |
CN108697564B (zh) | 2021-03-16 |
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