JP6392311B2 - 吸収性アセンブリおよび使い捨て吸収性下着 - Google Patents
吸収性アセンブリおよび使い捨て吸収性下着 Download PDFInfo
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- JP6392311B2 JP6392311B2 JP2016502009A JP2016502009A JP6392311B2 JP 6392311 B2 JP6392311 B2 JP 6392311B2 JP 2016502009 A JP2016502009 A JP 2016502009A JP 2016502009 A JP2016502009 A JP 2016502009A JP 6392311 B2 JP6392311 B2 JP 6392311B2
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- Prior art keywords
- core
- fluid
- absorbent assembly
- sap
- absorbent
- Prior art date
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
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- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Description
認識されるように、本発明に従って構成された前述の使い捨て吸収性物品は、従来技術に対して改善された熱伝導率または熱伝導特性を示す。典型的な従来技術のフラッフに基づいたデザインでは、主にセルロースのコアは濡れたままであり、従って体表面から濡れたコアへと熱を引き出す。コアは通常体温より有意に低いが、周囲温度により近い温度にある。本発明の吸収性物品は、合成のすべてポリマーによるコアを身体のより近くに維持することにより、排泄される流体による濡れが身体からより遠くに維持されることを可能にし、より快適な製品をもたらす。
Claims (30)
- 生物からの浸出物を内部に吸収および保持するために前記生物によって着用される製品に用いるための吸収性アセンブリであって、前記吸収性アセンブリはコアを有しており、前記コアは、
a)その中を流体が移動できるように構成された多孔質材料のウェブから形成されている第1部分であって、前記第1部分の多孔質材料のウェブは、キルティング加工されるとともに、前記第1部分のポケットの各々に配置された複数の遅効性だが高吸収容量の高吸水性ポリマー(SAP)を含有しており、これにより前記キルティング加工された第1部分のポケットが、前記第1部分のSAPを前記コアに対して移動しないようにする第1部分と、
b)前記第1部分より下方に位置し、その中を流体が移動できるように構成された多孔質材料のウェブから形成されている第2部分であって、前記第2部分の多孔質材料のウェブは、キルティング加工されるとともに、前記第2部分のポケットの各々に配置された複数の速効性だが低吸収容量のSAPを含有しており、これにより前記キルティング加工された第2部分のポケットが、前記第2部分のSAPを前記コアに対して移動しないようにする第2部分と、
前記コアの第1部分と前記コアの第2部分とは互いに流体が流れるように連通しており、
前記吸収性アセンブリは生物によって着用されるように構成されており、前記コアの第1部分は前記生物の会陰領域に向かい合って配置される身体に面する側面を形成し、かつ、前記コアの第2部分は前記生物の会陰領域から離反して配置される遠隔側面を形成しており、これにより前記生物によって排泄される流体は前記速効性SAPおよび前記遅効性SAPに流れ、前記流体は前記速効性SAPによって直ちに迅速に吸収され、一方、前記遅効性SAPは、前記流体自体を吸収するとともに、前記速効性SAPから流体を脱着するか、または奪い去り、
c)前記第1部分および第2部分の最大幅よりも狭い所定の幅を有し、かつ、前記第1部分と前記第2部分との間に位置して、該第1部分と第2部分との間の流体移送を容易にする、不織布からなる中間流体移送層と、を備えている、吸収性アセンブリ。 - 前記コアのキルティング加工された第1部分の多孔質材料は不織布材料を含み、前記コアのキルティング加工された第2部分の多孔質材料は不織布材料を含んでいる、請求項1に記載の吸収性アセンブリ。
- 前記コアのキルティング加工された第1部分および第2部分は、超音波エンボス加工されている、請求項1に記載の吸収性アセンブリ。
- 前記キルティング加工された第1部分の不織布材料は、スパンボンドポリプロピレンから形成されており、前記キルティング加工された第2部分の不織布材料は、スパンボンドポリプロピレンから形成されている、請求項1に記載の吸収性アセンブリ。
- 前記コアは高吸水性繊維(SAF)をさらに含んでいる、請求項1に記載の吸収性アセンブリ。
- 前記コアのまわりに配置された非吸収性流体透過性包装体をさらに備えている、請求項1に記載の吸収性アセンブリ。
- 前記包装体は熱可塑性繊維網を含んでいる、請求項6に記載の吸収性アセンブリ。
- 前記熱可塑性繊維網はスパンボンドポリプロピレン不織布材料を含んでいる、請求項7に記載の吸収性アセンブリ。
- 前記包装体は、前記身体に面する側面において2倍の厚さの層を提供するように重ね合わせられている、請求項6に記載の吸収性アセンブリ。
- そのまわりに前記包装体を有するコアは複数の個別のポケットにキルティング加工され、前記ポケットの各々は前記コアを通るSAP移動を最小限にするか、または防止するように機能する、請求項6に記載の吸収性アセンブリ。
- 前記キルティング加工された包装体は、複数の接合線によって形成されており、前記接合線の接合強度は、SAPが流体を吸収する前にSAPが各々のポケットからの退出を得ることを保証するのに十分に強いが、SAPが流体を吸収し膨潤したときには破断するほど十分に弱い、請求項10に記載の吸収性アセンブリ。
- 前記包装体の下に配置された流体収集層をさらに備えている、請求項6に記載の吸収性アセンブリ。
- 前記吸収性アセンブリが使い捨て下着の一部を形成している、請求項1に記載の吸収性アセンブリ。
- 流体収集層をさらに備えている、請求項13に記載の吸収性アセンブリ。
- 前記流体収集層は前記コアの身体に面する側面上に配置されている、請求項14に記載の吸収性アセンブリ。
- 前記コアの遠隔側面に吸収性流体処理層をさらに備えている、請求項14に記載の吸収性アセンブリ。
- 前記吸収性流体処理層は、吸収性ティシュー、エアレイド、または軟質化されたか、もしくは軟化された非繊維化パルプシートを備えている、請求項16に記載の吸収性アセンブリ。
- 前記コアの遠隔側面に吸収性流体処理層をさらに備えている、請求項13に記載の吸収性アセンブリ。
- 包装された前記コアは、複数の山および谷を有する波形体または他の場合には波状体に形成されている、請求項13に記載の吸収性アセンブリ。
- 前記吸収性アセンブリは、前記谷において前記使い捨て下着に固定されている、請求項19に記載の吸収性アセンブリ。
- 前記下着は、前記アセンブリ中に捕捉された任意の流体の臭気を低減するか、またはそのような臭気を隠蔽するためのマイクロカプセル化粒子を含んでいる、請求項13に記載の吸収性アセンブリ。
- 前記マイクロカプセル化粒子は望ましい香料を含有している、請求項21に記載の吸収性アセンブリ。
- 前記香料のすべてが前記吸収性アセンブリによる初期の流体吸収の際には放出されないが、後続の流体吸収の際には放出されるように、前記マイクロカプセル化粒子は少なくとも2レベルのカプセル化を有している、請求項22に記載の吸収性アセンブリ。
- 前記下着は抗微生物処理剤を含有している、請求項13に記載の吸収性アセンブリ。
- 前記抗微生物処理剤は銀元素または銀複合体を含有している、請求項24に記載の吸収性アセンブリ。
- 前記使い捨て下着は、前記吸収性アセンブリが着用者からの流体を吸収した時を示す濡れ検知器を備えている、請求項13に記載の吸収性アセンブリ。
- 前記濡れ検知器は電子濡れ検出システムの一部を構成している、請求項26に記載の吸収性アセンブリ。
- シャーシ、吸収コアおよびサスペンションシステムを備えた使い捨て吸収性下着であって、前記シャーシは布状の不織通気性材料のシートを含んでおり、前記シートは、前部、後部、および中間部を有しており、前記前部は、前上縁部と、一対の前側縁部とを含んでおり、前記後部は、後上縁部と、一対の後側縁部とを含んでおり、前記中間部は一対の中央側縁部を含んでおり、前記中央側縁部の各々は、ブリーフの各脚開口部を形成するために人間工学的に賦形された凹部を備えており、前記吸収コアは前記中間部において前記シート上に位置しており、前記サスペンションシステムは複数の弾性部を備えており、前記弾性部の各々は、頂端部と、前記頂端部のほぼ反対に配置された末端部とを備えており、前記末端部の幅は前記頂端部の幅より大きく、前記弾性部は前記頂端部と前記末端部との間で伸縮可能であり、前記弾性部が引き伸ばされるときの伸縮力は頂端部において集中して、前記末端部の幅に沿って広がり、前記弾性部の第1部分は前記シートに固定されており、前記第1部分の頂端部は前記シートの第1側縁部の凹部に位置しており、前記第1部分の末端部は前記第1側縁部に隣接した前記シートの前上縁部において終了し、前記弾性部の第2部分は前記シートに固定されており、前記第2部分の頂端部は前記シートの第2側縁部の凹部に位置しており、前記第2部分の末端部は前記第2側縁部に隣接した前記シートの前上縁部において終了し、前記弾性部の第3部分は前記シートに固定されており、前記第3部分の頂端部は前記シートの第1側縁部の凹部に位置しており、前記第3部分の末端部は前記第1側縁部に隣接した前記シートの後上縁部において終了し、前記弾性部の第4部分は前記シートに固定されており、前記第4部分の頂端部は前記シートの第2側縁部の前記凹部に位置しており、前記第4部分の末端部分は前記第2側縁部に隣接した前記シートの後上縁部において終了し、前記弾性部の各々は扇形配列に配置された複数の弾性繊維を含んでおり、前記繊維は前記頂端部から前記末端部に向かって互いから分岐しており、これにより前記サスペンションシステムは、前記下着が着用されるときに、前記シャーシを前記脚開口部から前記上端部に向かって引き上げる、使い捨て吸収性下着。
- 前記吸収コアは繊維間に多数の介在空間を有する複数の繊維を含んでおり、前記コアは第1部分および第2部分を有しており、前記第1部分は、前記コアの第1部分の介在空間と流体が流れるように連通する遅効性だが高吸収容量のSAPを含有しており、前記第2部分は、前記コアの第2部分の介在空間と流体が流れるように連通する複数の速効性だが低吸収容量のSAPを含有しており、前記第1部分は前記第2部分と流体が流れるように連通しており、前記コアの第1部分は身体に面する側面を形成しており、前記コアの第2部分は前記シートに固定されており、これにより前記生物によって排泄された流体は前記速効性SAPおよび前記遅効性SAPに吸い上げられ、前記流体は、前記速効性SAPによって直ちに迅速に吸収され、一方、前記遅効性SAPは前記速効性SAPから流体を脱着するか、または奪い去る、請求項28に記載の使い捨て吸収性下着。
- 生物からの浸出物を内部に吸収および保持するために前記生物によって着用される製品に用いるための吸収性アセンブリであって、前記吸収性アセンブリは、第1部分および第2部分を有するコアを備えており、前記第1部分は、その中を流体が移動できるように構成された多孔質材料のウェブから形成されており、前記第1部分の多孔質材料は不織布材料を含み、前記第1部分の多孔質材料のウェブはキルティング加工されるとともに、前記第1部分のポケットの各々に配置された複数の遅効性だが高吸収容量の高吸水性ポリマー(SAP)を含有しており、これにより前記キルティング加工された第1部分のポケットが、前記第1部分のSAPを前記コアに対して移動しないようにし、前記第2部分は多孔質材料のウェブから形成されており、前記第2部分の多孔質材料は、その中を流体が移動できるように構成された不織布材料を含み、前記第2部分の多孔質材料のウェブは、キルティング加工されるとともに、前記第2部分のポケットの各々に配置された複数の速効性だが低吸収容量のSAPを含有しており、これにより前記キルティング加工された第2部分のポケットが、前記第2部分のSAPを前記コアに対して移動しないようにし、前記コアの第1部分と前記コアの第2部分とは互いに流体が流れるように連通しており、前記吸収性アセンブリは生物によって着用されるように構成されており、前記コアの第1部分は前記生物の会陰領域に向かい合って配置される身体に面する側面を形成し、かつ、前記コアの第2部分は前記生物の会陰領域から離反して配置される遠隔側面を形成しており、これにより前記生物によって排泄される流体は前記速効性SAPおよび前記遅効性SAPに流れ、前記流体は前記速効性SAPによって直ちに迅速に吸収され、一方、前記遅効性SAPは、前記流体自体を吸収するとともに、前記速効性SAPから流体を脱着するか、または奪い去り、前記キルティング加工された第1部分の不織布材料は複数の繊維から形成されており、前記キルティング加工された第2部分の不織布材料は複数の繊維から形成されており、前記繊維は、それにより流体の流れに対する繊維の抵抗を増大させるために、円形または楕円形の繊維に比較して増大した表面積を有する断面形状を有しており、それによって半径方向の流体の吸い上げを遅延させ、かつ、長手方向における流体の吸い上げを促進し、
前記コアが、前記第1部分および第2部分の最大幅よりも狭い所定の幅を有し、かつ、前記第1部分と前記第2部分との間に位置して、該第1部分と第2部分との間の流体移送を容易にする、不織布からなる中間流体移送層をさらに有している、吸収性アセンブリ。
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WO2014151544A3 (en) | 2015-01-15 |
US9707135B2 (en) | 2017-07-18 |
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