JP6396547B1 - 吸収性物品 - Google Patents
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Abstract
【解決手段】吸収体4の後方部の肌側面に、非肌側に窪む表面側凹溝10が所定のパターンで形成されるとともに、表面側凹溝10によって区画された複数の区画吸収部11が形成され、かつ吸収体4の後方部の非肌側面であって、臀部溝に対応する位置に、肌側に窪む臀部溝対応凹溝12が形成されている。前記表面側凹溝10は、生理用ナプキン1の略長手方向に沿うとともに幅方向に間隔をあけて配置された複数の長手方向凹溝13と、生理用ナプキン1の略幅方向に沿うとともに長手方向に間隔をあけて配置された複数の幅方向凹溝14とからなり、前記長手方向凹溝13は、生理用ナプキン1の前側から後側に向けて幅方向の外方側に傾斜する放射状に形成されている。
【選択図】図1
Description
前記吸収体の後方部の肌側面に、非肌側に窪む表面側凹溝が所定のパターンで形成されるとともに、前記表面側凹溝によって区画された複数の区画吸収部が形成され、かつ前記吸収体の後方部の非肌側面であって、臀部溝に対応する位置に、肌側に窪む臀部溝対応凹溝が形成され、
前記表面側凹溝は、吸収性物品の略長手方向に沿うとともに幅方向に間隔をあけて配置された複数の長手方向凹溝と、吸収性物品の略幅方向に沿うとともに長手方向に間隔をあけて配置された複数の幅方向凹溝とからなり、
前記長手方向凹溝は、吸収性物品の前側から後側に向けて幅方向の外方側に傾斜する放射状に形成され、前記幅方向凹溝は、隣り合う長手方向凹溝の中央部を通る仮想線に直交して形成されることにより、前記幅方向凹溝は前記吸収体の幅方向に対して、前記長手方向凹溝において屈折する折れ線状に形成され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〜図3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、まとめて体液ともいう。)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ることにより、吸収体が介在しないフラップ部が形成されたものである。なお、図示例では、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をクレープ紙又は不織布などからなる被包シート5で囲繞しているが、この被包シート5は設けなくてもよい。また、図示しないが、前記透液性表面シート3の非肌側に隣接して、前記透液性表面シート3とほぼ同形状の親水性の不織布などからなるセカンドシートを配設してもよい。
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。
以下、前記吸収体4に形成される凹溝について説明する。図4に示されるように、前記吸収体4の後方部の肌側面には、非肌側に窪む表面側凹溝10が所定のパターンで形成されるとともに、前記表面側凹溝10によって区画された複数の区画吸収部11、11…が形成され、かつ前記吸収体4の後方部の非肌側面であって、着用者の臀部溝に対応する位置に、臀部溝に沿って肌側に窪む臀部溝対応凹溝12が形成されている。
(1)図1に示される生理用ナプキン1では、前記表面側凹溝10より前側部分に凹溝が形成されていないが、吸収体4の肌側面に非肌側に窪む凹溝を適宜のパターンで形成してもよい。
Claims (5)
- 少なくとも吸収体が備えられた吸収性物品において、
前記吸収体の後方部の肌側面に、非肌側に窪む表面側凹溝が所定のパターンで形成されるとともに、前記表面側凹溝によって区画された複数の区画吸収部が形成され、かつ前記吸収体の後方部の非肌側面であって、臀部溝に対応する位置に、肌側に窪む臀部溝対応凹溝が形成され、
前記表面側凹溝は、吸収性物品の略長手方向に沿うとともに幅方向に間隔をあけて配置された複数の長手方向凹溝と、吸収性物品の略幅方向に沿うとともに長手方向に間隔をあけて配置された複数の幅方向凹溝とからなり、
前記長手方向凹溝は、吸収性物品の前側から後側に向けて幅方向の外方側に傾斜する放射状に形成され、前記幅方向凹溝は、隣り合う長手方向凹溝の中央部を通る仮想線に直交して形成されることにより、前記幅方向凹溝は前記吸収体の幅方向に対して、前記長手方向凹溝において屈折する折れ線状に形成されていることを特徴とする吸収性物品。 - 前記区画吸収部の長手方向長さは、長手方向前側の寸法を相対的に小さくし、長手方向後側の寸法を相対的に大きくしており、前記区画吸収部は、吸収体の後側にいくに従って相対的に大きな面積で形成されている請求項1記載の吸収性物品。
- 前記表面側凹溝の溝幅は、吸収性物品の長手方向の前側より後側の方が漸次大きくなるように形成されるとともに、吸収性物品の幅方向の中央より外方側の方が漸次大きくなるように形成されている請求項1、2いずれかに記載の吸収性物品。
- 前記長手方向凹溝及び幅方向凹溝のうち、一方側の凹溝は、前記吸収体の肌側面から圧搾したエンボス部からなり、他方側の凹溝は、前記吸収体の肌側の積繊量を低減した凹部からなる請求項1〜3いずれかに記載の吸収性物品。
- 前記長手方向凹溝は、吸収体の長手方向中心線の左右にそれぞれ設けられ、長手方向中心線上に設けられておらず、前記臀部溝対応凹溝は、前記吸収体の長手方向中間部の幅方向中央部から前記吸収体の後端にかけて、長手方向に沿って形成された、非肌側面から肌側へ向けて圧搾したエンボス部からなる請求項1〜4いずれかに記載の吸収性物品。
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JP2017137785A JP6396547B1 (ja) | 2017-07-14 | 2017-07-14 | 吸収性物品 |
US16/629,090 US20200188191A1 (en) | 2017-07-14 | 2018-07-12 | Absorbent article |
PCT/JP2018/026350 WO2019013288A1 (ja) | 2017-07-14 | 2018-07-12 | 吸収性物品 |
EP18832781.1A EP3653186B1 (en) | 2017-07-14 | 2018-07-12 | Absorbent article |
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US11160696B2 (en) * | 2017-02-21 | 2021-11-02 | Clarence Wheeler | Liquid and solid porous-absorbent article |
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JP4390445B2 (ja) * | 2002-12-05 | 2009-12-24 | ユニ・チャーム株式会社 | 縦長の吸収性物品 |
JP5623828B2 (ja) * | 2010-08-31 | 2014-11-12 | 大王製紙株式会社 | 吸収性物品 |
JP5727246B2 (ja) * | 2011-01-31 | 2015-06-03 | 大王製紙株式会社 | 吸収性物品 |
JP6042181B2 (ja) | 2012-11-15 | 2016-12-14 | 花王株式会社 | 吸収性物品 |
US9999554B2 (en) * | 2014-09-30 | 2018-06-19 | Johnson & Johnson Consumer Inc. | Absorbent article demonstrating controlled deformation and longitudinal fluid distribution |
JP6147842B1 (ja) * | 2015-12-28 | 2017-06-14 | ユニ・チャーム株式会社 | 吸収性物品 |
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US20210393452A1 (en) * | 2020-06-23 | 2021-12-23 | Katrina Marie Arceo-Yap | Feminine pad with large petal design |
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US20200188191A1 (en) | 2020-06-18 |
JP2019017636A (ja) | 2019-02-07 |
EP3653186A1 (en) | 2020-05-20 |
CN110913817B (zh) | 2022-03-22 |
WO2019013288A1 (ja) | 2019-01-17 |
CN110913817A (zh) | 2020-03-24 |
EP3653186A4 (en) | 2021-04-14 |
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