JP6538175B2 - 有利にチャネル形成された吸収性コア構造体及び膨張低減機構を備える吸収性パンツ - Google Patents
有利にチャネル形成された吸収性コア構造体及び膨張低減機構を備える吸収性パンツ Download PDFInfo
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Description
吸収性構造体115は、基材層116と、前記基材層116によって支持され、その上で不動化された吸収性ポリマー粒子及び任意選択的なセルロースを含む吸収性層117と、を含む三次元構造体である。吸収性構造体115の例を、図8、10A、10B、14、15A、及び15Bに示す。
吸収性層は、吸収性ポリマー粒子150を単独で、又はセルロース繊維などの他の材料と組み合わせて含み得る。吸収性ポリマー粒子は、例えば、熱可塑性接着剤140によって、基材層上で不動化され得る。
図20を参照すると、弾性ストランド26などの弾性部材は、これらがベルト部分の下側帯22”、23”に存在するが、シャーシ30上に置かれた下横方向中央帯22’、23’のうち一部又は全部には存在しないように、前側及び/又は後側ベルト部分22、23内に構成され得る。このように、一方又は両方のベルト部分を、不織布層25a、25b(図3を参照)などの弾性ストランド26を挟む層のうちの1つ又は2つ以上が、予歪みを加えられた弾性部材及び横方向にギャザーされた材料のひだべりの存在によって実現される弾性の伸長なしに、ベルト部分の下中央帯22’、23’に存在するように構成してもよい。シャーシの上に置かれた中央帯22’、23’では、一方又は両方のベルト部分22、23の不織布層は、これらがシャーシ上に横方向に伸張された状態で置かれる(即ち、これらが、さもなければ、予歪みを加えられ、かつ挟まれた横方向弾性ストランドによって付与されたであろう長手方向のひだべり又はしわ(例えば図4及び5に示されるひだべり又はしわ27)を有さないようにシャーシ材料(バックシートなど)に配置されて固着され得る)。この構成では、シャーシ30の下中央帯22’、23’に置かれ、長手方向のひだべりを有さないために、ベルト部分の他の弾性のひだべりを有する帯と比較して横方向の弾性的な伸長ができないか又はより少ない、完全に伸張されたベルト層材料は、横方向の拡張に対してより大きく抵抗して、シャーシ材料の抵抗を補い、吸収性層117の端部の支持及び拘束を補助するように構成される。その結果、吸収性層117によって液体が吸収された時の外向き膨張部219の突出部(図7に示すものなど)は、縮小され得る。この機構は、上記の吸収性層117の膨張部の突出部を縮小させる相乗効果の可能性のために、上記のチャネル構造のいずれかと組み合わせてもよい。こうして、図20に示す一実施例では、主長手方向チャネル126の前端部は、前側ベルト部分22の非弾性下中央帯22’の下に(着用者に面する側に向けて)配置してもよい。いくつかの例では、ベルト部分及びシャーシは、シャーシ上に置かれた非弾性部分を有するベルト構造の更なる例を説明する、PCT/CN2014/094890号に記載される機構を有するように構成され得る。
Claims (7)
- 長手方向軸(y)、横方向軸(x)、前側区域、後側区域、及び前記前側区域と前記後側区域との間に股部区域を有する、使い捨て吸収性パンツであって、
その内部に形成された長手方向に配向された細長い少なくとも2つのチャネル(126)を有し、第1の基材層及び第2の基材層によって支持された吸収性層(117)を備え、前記吸収層(117)は実質的にセルロースを含まない吸収性構造体(115)であって、前記少なくとも2つのチャネルは対応する前方及び後方遠位端のそれぞれの組を有し、前記第1及び第2の基材層は前記チャネルで互いに結合された吸収性構造体(115)と、
少なくとも前記前側区域における弾性ベルト構造体(22、23)であって、前記弾性ベルト構造体は、内部層(25a)と、外部層(25b)と、前記内部層と前記外部層との間に配置された弾性部材(26)と、腰部縁部(34、35)と、前記内部層及び前記外部層によって形成される下弾性縁部(21)及び前記弾性部材(26)の最下部範囲と、を有しており、前記下弾性縁部は前記腰部縁部と前記横方向軸との間に配置される、弾性ベルト構造体(22、23)を備え、
前記少なくとも2つのチャネルの前記少なくとも1つのチャネルの前記前方遠位端が、前記弾性ベルト構造体の前記下弾性縁部の上に配置され、
前記少なくとも2つのチャネルは前記長手方向軸(y)の両側にそれぞれ設けられ、湾曲状又は弧状である、パンツ。 - 前記弾性部材は、前記内部層と外部層との間に配置された、複数の長手方向に離間配置され、横方向に配向された弾性ストランド(26)のうちの1つであり、前記少なくとも2つのチャネルの前記前方遠位端は、前記複数の弾性ストランドの最低部の上に配置される、請求項1に記載のパンツ。
- 前記少なくとも2つのチャネルは、前記股部区域から、前記前側区域及び後側区域のうちの少なくとも1つに延在する、請求項1又は2に記載のパンツ。
- 前記前側弾性ベルト構造体(22)、後側弾性ベルト構造体(23)、及び、前記前側弾性ベルト構造体(22)及び後側弾性ベルト構造体(23)との間に覆い被さる中央シャーシを有し、
前記少なくとも2つのチャネルの前記前方遠位端及び後方遠位端がそれぞれ、前記前側弾性ベルト構造体及び後側弾性ベルト構造体の前記下弾性縁部の上に配置される、請求項1〜3のいずれか一項に記載のパンツ。 - 前記吸収性層(117)は長方形である、請求項1〜4のいずれか一項に記載のパンツ。
- 前記吸収性層(117)は吸収能力を有し、前記吸収性層(117)及びチャネルは、
ほぼ合計吸収能力未満による尿で湿潤した時に第1の構成から第2の構成へ変化する構造を有する、請求項1〜5のいずれか一項に記載のパンツ。 - 前記第1の構成から第2の構成への変化は、前記第1及び第2の基材層の間の前記結合を解放することを含む、請求項6に記載のパンツ。
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US9987176B2 (en) * | 2013-08-27 | 2018-06-05 | The Procter & Gamble Company | Absorbent articles with channels |
WO2015097499A1 (en) | 2013-12-24 | 2015-07-02 | Sony Corporation | Backlight control method for an electronic mobile device |
US10285873B2 (en) * | 2014-09-30 | 2019-05-14 | Johnson & Johnson Consumer Inc. | Absorbent article demonstrating controlled deformation and longitudinal fluid distribution |
US10070997B2 (en) * | 2015-01-16 | 2018-09-11 | The Procter & Gamble Company | Absorbent pant with advantageously channeled absorbent core structure and bulge-reducing features |
US10376428B2 (en) * | 2015-01-16 | 2019-08-13 | The Procter & Gamble Company | Absorbent pant with advantageously channeled absorbent core structure and bulge-reducing features |
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2015
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2016
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- 2016-01-05 CA CA2974001A patent/CA2974001A1/en not_active Abandoned
- 2016-01-05 CN CN201680005745.4A patent/CN107106368B/zh active Active
- 2016-01-05 JP JP2017536570A patent/JP6538175B2/ja active Active
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JP7096785B2 (ja) | 2022-07-06 |
CA2974001A1 (en) | 2016-07-21 |
EP3244853A1 (en) | 2017-11-22 |
MX2017009310A (es) | 2017-11-08 |
US10675192B2 (en) | 2020-06-09 |
US20180021187A1 (en) | 2018-01-25 |
US10849799B2 (en) | 2020-12-01 |
BR112017015336A2 (pt) | 2018-01-09 |
US10376428B2 (en) | 2019-08-13 |
JP2018505718A (ja) | 2018-03-01 |
CN107106368A (zh) | 2017-08-29 |
US20190336357A1 (en) | 2019-11-07 |
EP3244853B1 (en) | 2020-09-16 |
EP3244853B2 (en) | 2023-12-06 |
US20210069030A1 (en) | 2021-03-11 |
CN113616428A (zh) | 2021-11-09 |
CN107106368B (zh) | 2021-08-27 |
JP2019150655A (ja) | 2019-09-12 |
WO2016114946A1 (en) | 2016-07-21 |
US20160206483A1 (en) | 2016-07-21 |
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