JP4971491B2 - 生理用ナプキン - Google Patents
生理用ナプキン Download PDFInfo
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- JP4971491B2 JP4971491B2 JP2010232507A JP2010232507A JP4971491B2 JP 4971491 B2 JP4971491 B2 JP 4971491B2 JP 2010232507 A JP2010232507 A JP 2010232507A JP 2010232507 A JP2010232507 A JP 2010232507A JP 4971491 B2 JP4971491 B2 JP 4971491B2
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- napkin
- raised portion
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ナプキン本体の縦方向中心線に沿って位置する第1の隆起部と、前記縦方向中心線から横方向の両側に離れて位置する第2の隆起部と、前記第1の隆起部と前記第2の隆起部の間に位置する第3の隆起部とが設けられ、前記第1の隆起部と前記第2の隆起部と前記第3の隆起部は、それぞれ縦方向に間隔を空けて位置する前方起端と後方起端とを有し、
前記第1の隆起部、第2の隆起部および第3の隆起部は、それぞれナプキン本体の肌側表面から立ち上がるシートと、前方起端と後方起端との間で弾性収縮力を発揮してナプキン本体を肌側表面が窪むように変形させるとともに前記シートをナプキン本体の肌側表面から隆起させる弾性部材とを有しており、
前記第2の隆起部が、前記第1の隆起部および前記第3の隆起部よりも前方に位置して、前記第1の隆起部と前記第2の隆起部と前記第3の隆起部とが、横方向に重なる重複領域が設けられ、前記第1の隆起部における前記前方起端と後方起端との中間点および、前記第3の隆起部における前記前方起端と後方起端との中間点は、前記第2の隆起部における前方起端と後方起端との中間点よりも後方に位置していることを特徴とするものである。
図7は第2の参考例の生理用ナプキン101を示すものであり、図4に相当する断面図である。
この生理用ナプキン301のナプキン本体202は、前記図8に示した第3の参考例と同じものである。この参考例の第1の表面構成要素303においても、前方起端34と後方起端35との間の少なくとも一部において、第1の隆起部331がナプキン本体202の肌側表面から離れて自由に動けるようになっている。
この生理用ナプキン401では、ナプキン本体2の構造が第1の参考例と同じである。第1の表面構成要素403で形成される第1の隆起部431は、表面シート23によって、断面がT字形状となるように形成されている。
その他、第2の隆起部の立体形状はどのようなものであってもよい。
2 ナプキン本体
3 第1の表面構成要素
10 第2の表面構成要素
11 側部シート
12a〜12d 弾性部材
13a 前方起端
14a 後方起端
15 第2の隆起部
21 裏面シート
22 液吸収層
23 表面シート
31 第1の隆起部
32 前方扁平部
33 後方扁平部
34 前方起端
35 後方起端
36 弾性部材
39 側部弾性部材
41 圧縮線
42 補助圧縮線
(i) 重複領域
(ii) 前方領域
(iii)後方領域
X1 膣対向基準線
X2 肛門対向基準線
Claims (6)
- 液を吸収保持する液吸収層を有するナプキン本体と、前記ナプキン本体の肌側表面に設けられた隆起部とを有する生理用ナプキンにおいて、
ナプキン本体の縦方向中心線に沿って位置する第1の隆起部と、前記縦方向中心線から横方向の両側に離れて位置する第2の隆起部と、前記第1の隆起部と前記第2の隆起部の間に位置する第3の隆起部とが設けられ、前記第1の隆起部と前記第2の隆起部と前記第3の隆起部は、それぞれ縦方向に間隔を空けて位置する前方起端と後方起端とを有し、
前記第1の隆起部、第2の隆起部および第3の隆起部は、それぞれナプキン本体の肌側表面から立ち上がるシートと、前方起端と後方起端との間で弾性収縮力を発揮してナプキン本体を肌側表面が窪むように変形させるとともに前記シートをナプキン本体の肌側表面から隆起させる弾性部材とを有しており、
前記第2の隆起部が、前記第1の隆起部および前記第3の隆起部よりも前方に位置して、前記第1の隆起部と前記第2の隆起部と前記第3の隆起部とが、横方向に重なる重複領域が設けられ、前記第1の隆起部における前記前方起端と後方起端との中間点および、前記第3の隆起部における前記前方起端と後方起端との中間点は、前記第2の隆起部における前方起端と後方起端との中間点よりも後方に位置していることを特徴とする生理用ナプキン。 - 前記重複領域の前方において第2の隆起部が設けられている領域を前方領域、前記重複領域の後方において第1の隆起部が設けられている領域を後方領域としたときに、隆起部がナプキン本体に与える曲げ応力は、前方領域よりも重複領域の方が大きく、且つ後方領域よりも重複領域の方が大きい請求項1記載の生理用ナプキン。
- 前方領域において隆起部がナプキン本体に与える曲げ応力は、後方領域での前記曲げ応力と同じかまたはそれ未満である請求項2記載の生理用ナプキン。
- ナプキン本体には、少なくとも前記前方領域に、縦方向に延びる圧縮線が設けられている請求項2または3記載の生理用ナプキン。
- 前記重複領域を前後に二分する中間点は、ナプキン本体の膣対向基準線よりも後方に位置している請求項1ないし4のいずれか1項に記載の生理用ナプキン。
- 前記第1の隆起部の前方起端は、前記膣対向基準線の後方120mm離れた位置よりも前方に存在する請求項5記載の生理用ナプキン。
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JP2010232507A JP4971491B2 (ja) | 2010-10-15 | 2010-10-15 | 生理用ナプキン |
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JP2010232507A JP4971491B2 (ja) | 2010-10-15 | 2010-10-15 | 生理用ナプキン |
Related Parent Applications (1)
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JP2004378874A Division JP4712374B2 (ja) | 2004-12-28 | 2004-12-28 | 生理用ナプキン |
Publications (2)
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JP2011005342A JP2011005342A (ja) | 2011-01-13 |
JP4971491B2 true JP4971491B2 (ja) | 2012-07-11 |
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JP2010232507A Expired - Fee Related JP4971491B2 (ja) | 2010-10-15 | 2010-10-15 | 生理用ナプキン |
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