JP2009504347A - 吸収性物品 - 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
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- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- 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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Abstract
Description
図1を参照すると、成人用失禁パッド10は、平面に展開された状態で示されており、失禁パッド10の身体に面する部分12は、それを見る側に向けられている。失禁パッド10は液体透過性トップシート16及びトップシート16に接合した液体不透過性バックシート18を有するシャーシ14を含んで、トップシートとバックシートとの間に設置されるコア受入容量(core receiving volume)20を形成してもよい。吸収性コア22は、トップシート16とバックシート18との間のコア受入容量20内に配置できる。示されているように、一部の実施形態においては、吸収性コア22は、向かい合った縁部26及び28(点線で一部のみ表示)を有する貯蔵層24と、貯蔵層24とトップシート16との間に置かれる獲得システム30を含んでもよい。
失禁パッド10は、後領域36、後領域36と向かい合った前領域38、後領域36と前領域38との間の股領域40、及び、図例ではバックシート18の外側周辺により形成され、終縁部44及び46と、側縁部48及び50とを含む周辺部42を有することが示されている。後領域36は、終縁部44から股領域40に延び、前領域38は、終縁部46から股領域40に延びている。前領域及び後領域という用語は、パッドの領域の間で区別するために用いられているに過ぎず、使用時の好ましいパッド位置を示すものではない。
表I:米国パンティ測定データ(U.S. Panty Measurement Data)
失禁パッド10を下着200に取り付けて使用する場合、失禁パッド10は、バックシート18の衣類に面する部分52に適用される接着剤材料の接着領域を含んでもよい(図1に図示)。図4を参照すると、接着領域202は、比較的狭く細長い部分204と、より幅が広く短い部分206とを持つ、ややマッシュルーム型又はT形状であってよい。一部の実施形態では、接着領域202は、長さL1(例えば約201mm)、長さL2(例えば約40mm)、幅W1(例えば約40mm)及び幅W2(例えば約30mm)を有する。一部の実施形態では、部分204よりも広い部分206の幅は、最大幅W’を有する失禁パッド10の後部36と結合させることができる。示されるように、一部の実施形態では、接着領域202は、横軸56に対して非対称及び長手軸54に対して対称になり得る。その他の実施形態においては、接着領域202の形状は、横軸56に対して対称及び/又は長手軸54に対して非対称でもよい。接着領域202が横軸56及び長手軸54の両方に対して非対称の場合の実施形態が検討される。加えて、接着領域202が横軸56及び長手軸54の両方に対して対称の場合の実施形態が検討される。一部の実施においては、接着領域202をバックシート18の衣類に面する部分52の表面積の約20%以上(例えば、約30%以上、例えば、約37%など、約35%以上)に適用する。
ここで図17を参照すると、貯蔵層24及び獲得システム30を含む好ましい吸収性コア22構成が示されている。吸収性コア22は、例えば長手軸100及び長手軸に対して実質的に横断方向に延びる横軸102などの、一対の軸に沿って延びてもよい。各軸100、102は、吸収性コア22の幾何学的中心に位置する点P’を通って延びる。図示した実施形態では、長手軸100は、終縁部104及び106のそれぞれと交差し、吸収性コア22の最大長lに及び、横軸102は、側縁部108及び110と交差する。一部の実施形態では、長手軸100は、貯蔵層22の最大長に及ばないこともある。特定の場合では、横軸102は、吸収性コア22の最少幅wに及ぶ(図1)。
例えばトップシート16、バックシート18、吸収性コア22、獲得システム30、及び/又はコアラップ63などの、失禁パッド10の上述の構成要素の1つ以上に、例えばデンプンカプセル化アコード(starch encapsulated accord)(SEA)及びキャリアなどによって、体液による臭気を最小限にするために使用されるコーティング組成物を含めることができる。SEA及びキャリア構成要素は、キャリア対SEAの重量比が1:1以上で存在することができる。1つの任意の実施形態では、コーティング組成物は、コーティング組成物の約0重量%〜約10重量%、すなわちその範囲内の任意の個々の数値の水を含む。一部の実施形態では、コーティング組成物は、コーティング組成物の約0重量%〜約5重量%の水を含む。1つの具体的な実施形態では、コーティング組成物は、本質的に水を含まず、ほんの微量の水のみを含有する。この低水分含有量は、生産損失の減少により製造コストを削減しながら、SEAに追加的な安定性を提供し、SEAの寿命を延ばす。
図18〜20を参照すると、失禁パッド10は、目に見える又はトップシート16を通して少なくとも部分的に見ることができる表示150を含んでよい。表示150は、身体に面する部分の反対側にあるトップシート16の下部表面及び/又は身体に面する部分に面する獲得システム30の上部表面など、トップシート16を通して少なくとも部分的に表示を見ることができる任意の層に印刷してよい。
図25A及び25Bを参照すると、一部の実施形態では、失禁パッド10は強化要素2100を更に含んでもよい。強化要素2100は、本明細書で論じるどの実施形態にも利用可能である。示されているように、強化要素2100は、図11Bで説明したものと同様の物品に利用されている。
剥離強度
剥離強度は、コンピュータインターフェースを用いた延伸引張り試験の定率で測定され(適した機器は、テストワークス4ソフトウェアのMTSシナジー200(MTS Synergie)で、ミネソタ州エデンプレイリー(Eden Prairie)のMTSシステムズ社(MTS Systems Corp.)から入手可能)、測定される力がセル限度の10%〜90%であるロードセルを用いる。可動の(上部)及び固定(下部)状態の空気つめ(pneumatic jaws)が、試験片の幅よりも広いゴム面のグリップと共に取り付けられる。
試験片のキャリパーは、デジタルキャリパーを用いて測定される(好適な器材は、小野測器(Ono Sokki)から入手可能なGS−503である)。足部は直径4cmで、直径が足部よりも少なくとも2cm大きいアンビルを伴う。足部の質量は、1.25kPaの圧力を加えるように選択する。試料は、足部とアンビルとの間に置き、圧力を5秒間加えた後に読み取りを行う。厚さは、3つの複製の平均値として、0.01mm単位に四捨五入して記録されるべきである。
湿潤不動化試験は、本明細書で説明され図32に示されるように、振盪機器を使用して実施される。各試験について10個の吸収性物品が分析され、湿潤不動化値が平均として記録される。試験前に、サンプルに含まれる超吸収性ポリマー(SAP)の割合、及びそのSAPの遠心保持能力(Centrifuge Retention Capacity)(CRC)を測定しなければならない。
遠心保持能力(CRC)試験は、SAPによる液体保持の測定である。SAPは、「ティーバッグ」内に入れ、0.9%(w/w)塩化ナトリウム溶液に30分間浸し、3分間遠心分離する。保持された液体重量と乾燥物質の初期重量の比率が、SAPのCRC(g/g)である。CRC試験は、標準の実験室条件である温度23℃±2℃、相対湿度50%±2%で実施される。
SAP/セルロース繊維コア全体で分布されたSAPは、次の概念を基に定量化できる。中和された又は部分的に中和されたポリアクリレートベースのSAPは、水性系で懸濁し、塩酸などの強酸との反応により、酸性形態に変換できる。次に酸性形態のポリマーが懸濁液から除去されると、残存水性系の水素イオンの還元を、当初存在した中和された又は部分的に中和されたSAPの量の測定値として用いることができる。
本明細書に開示される寸法及び値は、列挙された精密な数値に厳しく制限されるものとして理解されるべきではない。それよりむしろ、特に指定されない限り、各こうした寸法は、列挙された値とその値周辺の機能的に同等の範囲との両方を意味することを意図する。例えば、「40mm」として開示された寸法は、「約40mm」を意味することを意図する。
Claims (10)
- 着用者の胴体下部の周囲に着用する吸収性物品(10、1200)であって、第1領域(38)、第2領域(36)、前記第1領域と前記第2領域との間に配置される股領域(40)、長手軸(54)及び横軸(56)を有し、更に
トップシート(16)と、
前記トップシートの少なくとも一部分に接合されているバックシート(18)と、
前記トップシートと前記バックシートとの間に配置される吸収性コア(22)と、
を備え、前記吸収性コアは第1貯蔵層(24A)及び第2貯蔵層(24B)を備え、前記第1貯蔵層は第1形状を有し、前記第2貯蔵層は第2形状を有し、前記第1形状は前記第2形状とは異なり、前記第1貯蔵層及び前記第2貯蔵層のそれぞれは20%未満のエアフェルトを含む、吸収性物品。 - 前記第1貯蔵層が第1表面領域を有し、前記第2貯蔵層が第2表面領域を有し、前記第1表面領域が前記第2表面領域より小さい、請求項1に記載の吸収性物品。
- 前記吸収性コアの膨張に対応できるように展開可能な折り畳み構造(73、75、1162、1164)を更に含み、少なくとも部分的に前記第1貯蔵層及び/又は前記第2貯蔵層を囲むコアカバー(63)を更に含み、前記コアカバーは折り畳み構造を含む、請求項1又は2に記載の吸収性物品。
- 前記折り畳み構造が近位領域(1162A、1164A)及び遠位領域(1162B、1164B)を含み、前記近位領域は前記第1貯蔵層及び/又は前記第2貯蔵層に近接して配置され、前記遠位領域は前記コアカバーと前記バックシートとの間に配置されている、請求項3に記載の吸収性物品。
- 前記吸収性コアの膨張に対応できるように展開可能な折り畳み構造(73、75、1162、1164)を更に含み、前記バックシートが前記折り畳み構造を含む、請求項1及び2に記載の吸収性物品。
- 前記吸収性コアが、第1獲得形状を有する第1獲得層(60、62、59)を更に含み、前記第1獲得形状が前記横軸に対し非対称であり、前記第1獲得形状が前記第1貯蔵層又は前記第2貯蔵層の形状とは異なる、請求項1〜5のいずれか一項に記載の吸収性物品。
- 前記第1獲得層の表面領域が、前記第1貯蔵層又は前記第2貯蔵層の表面領域の少なくとも50%よりも大きい、請求項6に記載の吸収性物品。
- 第2獲得形状を有する第2獲得層(60、62、59)を更に含み、前記第2獲得層が、前記第1獲得層と流体連通している、請求項6及び7に記載の吸収性物品。
- 前記吸収性物品の一部分を硬化可能な回復要素(2100)を更に含み、前記回復要素が、前記トップシートと前記貯蔵層との間に配置されている、請求項1〜8のいずれか一項に記載の吸収性物品。
- 前記吸収性物品の一部分を硬化可能な回復要素(2100)、第1折り畳み線(2002)、及び第2折り畳み線(2004)を更に含み、前記第1折り畳み線及び前記第2折り畳み線が前記吸収性物品の前記横軸とほぼ平行であり、前記回復要素が前記第1折り畳み線及び前記第2折り畳み線に囲まれる領域(2112)内に配置されている、請求項1〜8のいずれか一項に記載の吸収性物品。
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- 2006-08-18 CN CN2006800302876A patent/CN101242795B/zh active Active
- 2006-08-18 EP EP20060801962 patent/EP1915118A1/en not_active Withdrawn
- 2006-08-18 US US11/506,387 patent/US10123920B2/en active Active
- 2006-08-18 JP JP2008527200A patent/JP2009504347A/ja active Pending
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2011
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2014
- 2014-11-17 US US14/542,714 patent/US20150094677A1/en not_active Abandoned
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- 2014-12-18 US US14/575,417 patent/US20150105743A1/en not_active Abandoned
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2015
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2021
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JP2010088530A (ja) * | 2008-10-03 | 2010-04-22 | Kao Corp | 吸収性物品 |
WO2013021651A1 (en) * | 2011-08-11 | 2013-02-14 | Unicharm Corporation | Disposable wearing article |
JP2013039162A (ja) * | 2011-08-11 | 2013-02-28 | Unicharm Corp | 使い捨て着用物品 |
JP2014168501A (ja) * | 2013-03-01 | 2014-09-18 | Kami Shoji Kk | 吸収性物品 |
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JP2021049381A (ja) * | 2015-11-04 | 2021-04-01 | ザ プロクター アンド ギャンブル カンパニーThe Procter & Gamble Company | 薄型可撓性吸収性物品 |
CN108348378A (zh) * | 2015-11-04 | 2018-07-31 | 宝洁公司 | 薄型且柔性的吸收制品 |
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JP7155229B2 (ja) | 2015-11-04 | 2022-10-18 | ザ プロクター アンド ギャンブル カンパニー | 薄型可撓性吸収性物品 |
JP7213789B2 (ja) | 2018-12-29 | 2023-01-27 | ユニ・チャーム株式会社 | 吸収性物品用の吸収体、及び吸収性物品 |
JP2020108753A (ja) * | 2018-12-29 | 2020-07-16 | ユニ・チャーム株式会社 | 吸収性物品用の吸収体、及び吸収性物品 |
Also Published As
Publication number | Publication date |
---|---|
WO2007022486A1 (en) | 2007-02-22 |
CN101242795A (zh) | 2008-08-13 |
US20070043330A1 (en) | 2007-02-22 |
JP3171928U (ja) | 2011-11-24 |
CN101242795B (zh) | 2012-06-20 |
MX2008002254A (es) | 2008-03-27 |
US10123920B2 (en) | 2018-11-13 |
US20150094677A1 (en) | 2015-04-02 |
CA2619574A1 (en) | 2007-02-22 |
US20210161735A1 (en) | 2021-06-03 |
US20150100035A1 (en) | 2015-04-09 |
EP1915118A1 (en) | 2008-04-30 |
US20150105743A1 (en) | 2015-04-16 |
US20160030260A1 (en) | 2016-02-04 |
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