JP5612205B2 - 嵩を低減させた使い捨ておむつ - Google Patents
嵩を低減させた使い捨ておむつ Download PDFInfo
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- JP5612205B2 JP5612205B2 JP2013516800A JP2013516800A JP5612205B2 JP 5612205 B2 JP5612205 B2 JP 5612205B2 JP 2013516800 A JP2013516800 A JP 2013516800A JP 2013516800 A JP2013516800 A JP 2013516800A JP 5612205 B2 JP5612205 B2 JP 5612205B2
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- Prior art keywords
- absorbent core
- chassis
- topsheet
- disposable diaper
- rear waist
- Prior art date
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61F13/00—Bandages or dressings; Absorbent pads
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- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F13/51394—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability creating a visual effect, e.g. having a printed or coloured topsheet, printed or coloured sub-layer but being visible from the topsheet, other than embossing for purposes of bonding, wicking, acquisition, leakage-prevention
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- A61F13/00—Bandages or dressings; Absorbent pads
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- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
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- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Dermatology (AREA)
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Description
「吸収性物品」とは、身体の排出物を吸収及び保持する装置のことを指し、より具体的には、着用者の身体に接して、又は近接して配置されることにより身体から排出される様々な排出物を吸収及び保持する装置のことを指す。吸収性物品は、おむつ、パンツ、トレーニングパンツ、大人用失禁物品、下着、生理用ナプキンなどを包含することがある。本明細書で使用するところの「体液」又は「身体排出物」なる用語には、これらに限定されるものではないが、尿、血液、膣排泄物、母乳、汗及び糞便が含まれる。本発明の好ましい吸収性物品は、おむつ、パンツ、トレーニングパンツ、及び/又は生理用ナプキンである。
図1は、本発明の実施形態による使い捨ておむつ20の平面図である。使い捨ておむつ20は、平らに広げた非収縮状態(即ち、弾性により引き起こされた収縮のない状態)で示されており、使い捨ておむつ20の部分は、使い捨ておむつ20の下層構造をより明確に示すために切り取られている。着用者に接触するおむつ20の部分は、図1において観察者に向いている。使い捨ておむつ20は、一般に、シャーシ22、このシャーシ内に配置される吸収性コア28を備える。
不透明度は、材料の背後の不透明に対する材料の容量の測定である。不透明度の値は、材料に関して、黒い裏地をと共に得られた白い背景(RB)を備える同じ材料に関して得られた反射率を、白い背景(WB)を備える同じ材料に関して得られた反射率によって割ることによって得られる。これはコントラスト比(CR)方法と呼ばれる。
適した寸法(一般的に約10cm角)の試料を分析のために切断する。この試料は折れ目、しわ、裂け目、及びその他の明らかな欠陥があってはならない。
Hunter Associates Laboratory,Inc.(USA)から入手可能なHunter Labscan(登録商標)XEこの機器は以下のとおり構成される:
ジオメトリ45°/0°
カラースケールXYZ
光源D65
オブザーバ10°
この測色計を、製造メーカーの取り扱い説明書に従って、機器と共に供給された標準的な光沢のある黒いガラス及び光沢のある白いタイルを用いて較正する。
試料を白いタイル上に配置し、製造メーカーの取り扱い説明書に従って測色計内に挿入する。試料の機械方向は、機器内で前後が位置合わせする必要がある。Y読み出し値は、0.1単位で記録される。この手順は、白い標準タイルの代わりに黒い標準プレートを使用して繰り返される。
(実施例1):
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、2層のスパンボンド(SS材料)、坪量15g/m2、楕円形の接合点で接合された白色の熱パターン。それぞれの接合点は0.363mm2の寸法、合計接合領域18.1%を有し、接合点は均一に分散されている。
Tesalca(La Selva del Camp,Tarragona(Spain))から入手可能なスパンボンド不織布不織布はポリプロピレンで、3層のスパンボンド(SSS材料)、坪量15g/m2、楕円形の接合点を備える白色の熱接合パターン。それぞれの接合点は0.363mm2の寸法、合計結合領域18.1%から作られ、接合点は均一に分散されている。
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、2層のスパンボンド(SS材料)、坪量15g/m2、色はPantone(登録商標)324EC、楕円形の接合点を備える熱接合パターン、それぞれの接合点は寸法0.363mm2、合計接合領域18.1%から作られ、接合点は均一に分散されている。
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、1層のスパンボンド(S材料)、坪量15g/m2、楕円形の接合点を備える白色の熱接合パターン。それぞれの接合点は4.0mm2の寸法、合計接合領域25.0%を有し、接合点は均一に分散されている。
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、1層のスパンボンド(S材料)、坪量18g/m2、楕円形の接合点を備える白色の熱接合パターン。それぞれの接合点は4.0mm2の寸法、合計接合領域25.0%を有し、接合点は均一に分散されている。
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、1層のスパンボンド(S材料)、坪量25g/m2、楕円形の接合点を備える白色の熱接合パターン。それぞれの接合点は4.0mm2の寸法、合計接合領域25.0%を有し、接合点は均一に分散されている。
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、1層のスパンボンド(S材料)、坪量12g/m2、色はPantone(登録商標)324EC、円形の接合点を備える熱接合パターン、それぞれの接合点は寸法4.0mm2、合計接合領域25.0%から作られ、接合点は均一に分散されている。
Fiberweb Sweden AB(Sweden)から入手可能なスパンボンドされている不織布。不織布はポリプロピレンで、1層のスパンボンド(S材料)、坪量12g/m2、楕円形の接合点を備える白色の熱接合パターン。それぞれの接合点は4.0mm2の寸法、合計接合領域25.0%を有し、接合点は均一に分配されている。
Claims (15)
- トップシート(24)及びバックシート(26)を含むシャーシ(22)を備える使い捨ておむつ(20)であって、該使い捨ておむつ(20)は、前記トップシート(24)と前記バックシート(26)との間に配置された吸収性コア(28)を更に含み、
前記シャーシ(22)は、長手方向寸法及びシャーシ後側腰部区域(38)、シャーシ後側腰縁部(46)、シャーシ前側腰部区域(36)、及びシャーシ股部区域(37)を有し、
前記シャーシ後側腰部区域(38)は、前記シャーシ後側腰縁部(46)で始まり、前記シャーシ股部区域(37)の方に延びる前記シャーシ(22)の前記長手方向寸法の25%を占め、
前記吸収性コア(28)は、前記シャーシ(22)の長手方向寸法とともに延びる長手方向寸法を有し、前記吸収性コア(28)は、吸収性コア後側腰部区域(68)、吸収性コア前側腰部区域(72)、及び吸収性コア股部区域(70)を有し、前記吸収性コア(28)は、吸収性コア後側腰縁部(64)を更に有し、該前記吸収性コア後側腰縁部(64)は、前記シャーシ後側腰縁部(46)から少なくとも10%長手方向にオフセットされており、前記10%のオフセットは、前記シャーシ(22)の長手方向寸法に基づき、前記吸収性コア(28)は、前記シャーシ後側腰部区域(38)には位置しておらず、
前記バックシート(26)は、前記シャーシ後側腰部区域(38)において少なくとも14%の印刷された表面積の割合を有し、
前記トップシート(24)は、少なくとも15%の不透明度を有する、使い捨ておむつ(20)。 - 前記シャーシ後側腰縁部(46)は、前記トップシート(24)の後側腰縁部及び前記バックシート(26)の前記後側腰縁部(46)を含む、請求項1に記載の使い捨ておむつ(20)。
- 前記バックシート(26)がフィルム層及び不織布層を含み、前記印刷が前記フィルム層上、前記不織布層上、又は前記フィルム層及び前記不織布層上のいずれかに設けられ、前記バックシートの前記印刷された表面積は、前記フィルム層及び不織布層が互いに重なり合っているときに決定される、請求項1又は2に記載の使い捨ておむつ(20)。
- 前記フィルム層及び前記不織布層は同一の広がりを持つ、請求項3に記載の使い捨ておむつ(20)。
- 前記吸収性コア(28)が、
a)第1不織布ウェブ(56)及び第2不織布ウェブ(58)、並びに前記第1不織布ウェブ(56)と前記第2不織布ウェブ(58)との間に配置された吸収性材料(60)、又は
b)前記吸収性材料を封入する不織布ウェブ、を含む、請求項1〜4のいずれか一項に記載の使い捨ておむつ(20)。 - 前記吸収性コア後側腰部区域(68)が、前記吸収性コア後側腰縁部(64)で始まり、前記吸収性コア股部区域(70)の方に延びる前記吸収性コア(28)の前記長手方向寸法の25%を占め、前記吸収性コア後側腰部区域(68)は、前記吸収性コア(28)の1cm2当たり0.01g以下の吸収性材料(60)を含む、請求項1〜5のいずれか一項に記載の使い捨ておむつ(20)。
- 前記吸収性材料(60)が、少なくとも95%の粒子状吸収性ポリマー材料を含む、請求項5又は6に記載の使い捨ておむつ(20)。
- 前記トップシート(24)の不透明度が、前記トップシート全体で均質である、請求項1〜7のいずれか一項に記載の使い捨ておむつ(20)。
- 前記トップシート(24)が不織布ウェブを含む、請求項1〜8のいずれか一項に記載の使い捨ておむつ(20)。
- 前記トップシート(24)が色付けられている、請求項1〜9のいずれか一項に記載の使い捨ておむつ(20)。
- 前記トップシート(24)がTiO2を含む、請求項1〜10のいずれか一項に記載の使い捨ておむつ(20)。
- 前記トップシート(24)は、繊維が互いに接合された接合領域を含む、請求項1〜11のいずれか一項に記載の使い捨ておむつ(20)。
- 前記トップシート(24)がエンボス加工されており、前記吸収性コア(28)がエンボス加工されていない、請求項1〜12のいずれか一項に記載の使い捨ておむつ(20)。
- 前記使い捨ておむつ(20)が、前記吸収性コア(28)と前記トップシート(24)との間に配置された捕捉システム(50)を更に備え、該捕捉システム(50)は、前記吸収性コア(28)の前記長手方向寸法以下の長手方向寸法を有し、前記捕捉システムの後側腰縁部は、前記吸収性コア後側腰縁部(64)を超えて、前記シャーシ後側腰縁部(46)の方に延びない、請求項1〜13のいずれか一項に記載の使い捨ておむつ(20)。
- 前記トップシート(24)がエンボス加工されており、前記捕捉システム(50)及び前記吸収性コア(28)がエンボス加工されていない、請求項14に記載の使い捨ておむつ(20)。
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EP10167333.3A EP2399557B2 (en) | 2010-06-25 | 2010-06-25 | Disposable diaper with reduced bulk |
PCT/US2011/041811 WO2011163582A1 (en) | 2010-06-25 | 2011-06-24 | Disposable diaper with reduced bulk |
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WO2011163582A1 (en) | 2011-12-29 |
CN102958478B (zh) | 2014-12-17 |
BR112012031133A2 (pt) | 2016-11-01 |
CN102958478A (zh) | 2013-03-06 |
BR112012030450A2 (pt) | 2016-08-09 |
JP2013529512A (ja) | 2013-07-22 |
US20120165776A1 (en) | 2012-06-28 |
US9000254B2 (en) | 2015-04-07 |
WO2011163046A1 (en) | 2011-12-29 |
EP2399557B2 (en) | 2017-03-29 |
EP2399558B1 (en) | 2012-12-19 |
US20150164709A1 (en) | 2015-06-18 |
JP2013500842A (ja) | 2013-01-10 |
US9522090B2 (en) | 2016-12-20 |
EP2399558A1 (en) | 2011-12-28 |
EP2399557A1 (en) | 2011-12-28 |
JP5362917B2 (ja) | 2013-12-11 |
CN102958479A (zh) | 2013-03-06 |
US20110319846A1 (en) | 2011-12-29 |
CA2803602A1 (en) | 2011-12-29 |
US8530722B2 (en) | 2013-09-10 |
US9211218B2 (en) | 2015-12-15 |
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