JP6185106B1 - 吸収性物品 - Google Patents
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- JP6185106B1 JP6185106B1 JP2016053574A JP2016053574A JP6185106B1 JP 6185106 B1 JP6185106 B1 JP 6185106B1 JP 2016053574 A JP2016053574 A JP 2016053574A JP 2016053574 A JP2016053574 A JP 2016053574A JP 6185106 B1 JP6185106 B1 JP 6185106B1
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Abstract
Description
前後方向と、
前記前後方向と直交する幅方向と、
前胴回り域、後胴回り域、及び前記前胴回り域と前記後胴回り域との間に位置する股下域と、
前記前後方向に延び、かつ吸収体を折り畳むための一対の第1折り線及び一対の第2折り線を有する吸収体と、
前記吸収体の非肌対向面側に位置する非肌面シートと、を備える吸収性物品であって、
前記吸収体は、前記吸収体が折り畳まれた折り畳み状態において、
前記一対の第1折り線の間に位置し、前記吸収体の前記幅方向の中央を含む第1領域と、
前記第1折り線よりも前記幅方向の内側に位置する前記第2折り線と前記第1折り線との間に位置し、前記第1領域の肌対向面側にそれぞれ配置される一対の第2領域と、
前記第2折り線よりも前記幅方向の外側において前記第2領域の肌対向面側にそれぞれ配置される一対の第3領域と、を有し、
前記第3領域の外側縁は、前記第1折り線よりも前記幅方向の外側に配置されおり、
前記折り畳み状態において、
前記第1領域の肌対向面と前記第2領域の非肌対向面とが接合された第1接合部と、
前記第3領域と前記非肌面シートが接合された第3接合部と、
前記第3接合部よりも前記幅方向の内側かつ前記第1折り線よりも前記幅方向の外側に位置し、前記第3領域と前記非肌面シートが接合されていない第3非接合部と、が設けられており、
前記第3非接合部は、前記吸収性物品の前記前後方向の中心を跨ぎ、かつ前記股下域において前記前後方向に延びる、吸収性物品。
前記吸収性物品が着用された着用状態で、前記第2領域の肌対向面と前記第3領域の非肌対向面とが接合されていない第2非接合部を備えることが望ましい。
前記前後方向に伸縮する弾性部材を有し、かつ前記使い捨ておむつの幅方向の中心よりも前記幅方向の両外側に配置される一対の立体ギャザーを備え、
前記第3接合部は、前記弾性部材の内側縁に重なる領域に配置されることが望ましい。
前記第3非接合部よりも前記前後方向の両外側には、前記第3領域と前記非肌面シートが接合された第4接合部が設けられていることが望ましい。
前記第3非接合部よりも前側に位置する前記第4接合部の前記前後方向の長さは、前記第3非接合部よりも後側に位置する前記第4接合部の前記前後方向の長さよりも長いことが望ましい。
前記第3非接合部の後端縁と前記吸収性物品の前記前後方向の中心との距離は、前記第3非接合部の前端縁と前記吸収性物品の前記前後方向の中心との距離よりも長いことが望ましい。
前記第1領域の外側縁から前記幅方向の内側に向かう領域において、前記第1領域と前記非肌面シートは、接合されてなくてよい。
前記一対の第2折り線は、前記幅方向において離間していることが望ましい。
次に、本発明に係る吸収性物品としての使い捨ておむつの実施形態について、図面を参照しながら説明する。なお、以下の図面の記載において、同一または類似の部分には、同一または類似の符号を付している。ただし、図面は模式的なものであり、各寸法の比率などは現実のものとは異なることに留意すべきである。したがって、具体的な寸法などは以下の説明を参酌して判断すべきである。また、図面相互間においても互いの寸法の関係や比率が異なる部分が含まれ得る。
図1は、本実施形態に係る使い捨ておむつ10の展開状態の平面図である。図2は、図1に示したA−A線に沿った使い捨ておむつ10の断面図である。図3は、図1に示したB−B線に沿った使い捨ておむつの断面図である。図4は、図1に示す使い捨ておむつの展開状態の平面図である。図5は、展開状態の吸収体の平面図である。図6は、図5に示すC−C線に沿った吸収体の断面図である。図1及び図4に示す平面図は、使い捨ておむつを構成するトップシート50及びサイドシート70等の皺が形成されない状態まで、レッグ伸縮部75及び立体ギャザーの弾性部材77を伸長させた状態の図である。
次いで、吸収体40の構成について詳細に説明する。吸収体40は、図5及び図6に示すように、展開状態において1枚のシート状である。吸収体40は、前後方向に延びる一対の第1折り線FL1と、前後方向に延びる一対の第2折り線FL2と、を有する。一対の第1折り線FL1及び一対の第2折り線FL2は、吸収体を折り畳むための折り線であり、吸収体を折り畳んだ状態で形成される。吸収体40は、一対の第1折り線FL1と一対の第2折り線FL2とによって4か所で折られており、複数層に積層されている。一対の第1折り線FL1同士、一対の第2折り線FL2同士、及び第1折り線FL1と第2折り線FL2は、それぞれ幅方向において離間している。図5に示すように、吸収体40の展開状態(第1折り線FL1及び第2折り線FL2によって折り畳まれていない状態)において、第2折り線FL2は、第1折り線FL1よりも幅方向の外側に位置する。図2及び3に示すように、吸収体の折り畳み状態(第1折り線FL1及び第2折り線FL2によって折り畳まれた状態)において、第2折り線FL2は、第1折り線FL1よりも幅方向の内側に位置する。
次いで、吸収体同士の接合態様及び吸収体と非肌面シートの接合態様について説明する。使い捨ておむつ10には、吸収体40が折り畳まれた折り畳み状態において、第1接合部R1と、第2非接合部NR2と、第3接合部R3と、第3非接合部NR3と、第4接合部R4と、が設けられている。また、使い捨ておむつ10には、吸収性物品が着用された着用状態で、第2非接合部NR2が設けられている(図7参照)。各接合部は、ホットメルト型接着剤等の接着剤が配置された領域である。非接合部は、ホットメルト型接着剤等の接着剤が配置されていない領域、又は接合部よりも接着力が弱くなるように接着剤が配置された領域である。第1接合部R1、第2非接合部NR2、第3接合部R3、第3非接合部NR3、及び第4接合部R4を有することにより、着用時の使い捨ておむつ10の意図しない変形を抑制し、排泄物の漏れを抑制できる。図7は、使い捨ておむつの着用状態を模式的に示した断面図である。使い捨ておむつ10は、着用者に装着されると、着用者の両足によって挟まれる。使い捨ておむつ10には、幅方向の外側から幅方向の内側に向かう力がかかる。このとき、第3領域403の外側縁が第1折り線よりも幅方向の外側に位置するため、幅方向の外側から幅方向の内側に向かう力は、第3領域403の外側縁にかかる。第3領域403は、変形することによって幅方向の外側から幅方向の内側に向かう力を吸収する。よって、第1領域401が当該力によって変形することを防ぐことができる。
次いで、図8に基づいて変形例に係る吸収性物品としての使い捨ておむつ10Aについて説明する。なお、変形例の説明において実施形態と同様の構成については同符号を用いて説明を省略する。図8は、変形例1に係る使い捨ておむつ10Aの幅方向に沿った断面の断面図である。変形例1に係る使い捨ておむつ10Aの吸収体40は、第1領域401の外側縁から幅方向Wの内側に向かう領域において、第1領域401と非肌面シートとしてのバックシート60aは、接合されていない。第1領域401の幅方向の中央の領域では、第1領域401と非肌面シートは、接合されている。
20 :前胴回り域
25 :股下域
30 :後胴回り域
40 :吸収体
40a :吸収コア
40b :コアラップ
401 :第1領域
402 :第2領域
403 :第3領域
50 :トップシート
60 :外装シート
60a :バックシート
L :前後方向
T :厚み方向
W :幅方向
FL1 :第1折り線
FL2 :第2折り線
R1 :第1接合部
NR2 :第2非接合部
R3 :第3接合部
NR3 :第3非接合部
R4 :第4接合部
R5 :第5接合部
Claims (8)
- 前後方向と、
前記前後方向と直交する幅方向と、
前胴回り域、後胴回り域、及び前記前胴回り域と前記後胴回り域との間に位置する股下域と、
前記前後方向に延び、かつ吸収体を折り畳むための一対の第1折り線及び一対の第2折り線を有する吸収体と、
前記吸収体の非肌対向面側に位置する非肌面シートと、を備える吸収性物品であって、
前記吸収体は、前記吸収体が折り畳まれた折り畳み状態において、
前記一対の第1折り線の間に位置し、前記吸収体の前記幅方向の中央を含む第1領域と、
前記第1折り線よりも前記幅方向の内側に位置する前記第2折り線と前記第1折り線との間に位置し、前記第1領域の肌対向面側にそれぞれ配置される一対の第2領域と、
前記第2折り線よりも前記幅方向の外側において前記第2領域の肌対向面側にそれぞれ配置される一対の第3領域と、を有し、
前記第3領域の外側縁は、前記第1折り線よりも前記幅方向の外側に配置されおり、
前記折り畳み状態において、
前記第1領域の肌対向面と前記第2領域の非肌対向面とが接合された第1接合部と、
前記第3領域と前記非肌面シートが接合された第3接合部と、
前記第3接合部よりも前記幅方向の内側かつ前記第1折り線よりも前記幅方向の外側に位置し、前記第3領域と前記非肌面シートが接合されていない第3非接合部と、が設けられており、
前記第3非接合部は、前記吸収性物品の前記前後方向の中心を跨ぎ、かつ前記股下域において前記前後方向に延びる、吸収性物品。 - 前記吸収性物品が着用された着用状態で、前記第2領域の肌対向面と前記第3領域の非肌対向面とが接合されていない第2非接合部を備える、請求項1に記載の吸収性物品。
- 前記前後方向に伸縮する弾性部材を有し、かつ前記吸収性物品の幅方向の中心よりも前記幅方向の両外側に配置される一対の立体ギャザーを備え、
前記第3接合部は、前記弾性部材の内側縁に重なる領域に配置される、請求項1又は請求項2に記載の吸収性物品。 - 前記第3非接合部よりも前記前後方向の両外側には、前記第3領域と前記非肌面シートが接合された第4接合部が設けられている、請求項1から請求項3のいずれかに記載の吸収性物品。
- 前記第3非接合部よりも前側に位置する前記第4接合部の前記前後方向の長さは、前記第3非接合部よりも後側に位置する前記第4接合部の前記前後方向の長さよりも長い、請求項4に記載の吸収性物品。
- 前記第3非接合部の後端縁と前記吸収性物品の前記前後方向の中心との距離は、前記第3非接合部の前端縁と前記吸収性物品の前記前後方向の中心との距離よりも長い、請求項1から請求項5のいずれかに記載の吸収性物品。
- 前記第1領域の外側縁から前記幅方向の内側に向かう領域において、前記第1領域と前記非肌面シートは、接合されていない、請求項1から請求項6のいずれかに記載の吸収性物品。
- 前記一対の第2折り線は、前記幅方向において離間している、請求項1から請求項7のいずれかに記載の吸収性物品。
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| US16/084,562 US20190076307A1 (en) | 2016-03-17 | 2017-02-22 | Absorbent article |
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| AU2018411085B2 (en) | 2018-02-28 | 2024-05-09 | Kimberly-Clark Worldwide, Inc. | Multi-layer absorbent cores and methods of manufacture |
| JP6363314B1 (ja) * | 2018-03-28 | 2018-07-25 | ユニ・チャーム株式会社 | 吸収性物品 |
| JP7129382B2 (ja) * | 2019-06-28 | 2022-09-01 | ユニ・チャーム株式会社 | 吸収性物品 |
| JP7584891B2 (ja) * | 2019-11-22 | 2024-11-18 | ユニ・チャーム株式会社 | 吸収性物品用の吸収コア、及び当該吸収コアを含む吸収性物品 |
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| CN111374832A (zh) * | 2018-12-29 | 2020-07-07 | 尤妮佳股份有限公司 | 吸收性物品 |
| CN111374832B (zh) * | 2018-12-29 | 2022-12-30 | 尤妮佳股份有限公司 | 吸收性物品 |
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| JP2017164353A (ja) | 2017-09-21 |
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