JP4092319B2 - 使い捨ておむつ - Google Patents
使い捨ておむつ Download PDFInfo
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- JP4092319B2 JP4092319B2 JP2004258486A JP2004258486A JP4092319B2 JP 4092319 B2 JP4092319 B2 JP 4092319B2 JP 2004258486 A JP2004258486 A JP 2004258486A JP 2004258486 A JP2004258486 A JP 2004258486A JP 4092319 B2 JP4092319 B2 JP 4092319B2
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- disposable diaper
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Images
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Description
前記吸収層の表面には、前記長手方向に沿う溝が、幅方向の中央部に少なくとも一本形成されていることを特徴とする。
上記発明によれば、表面の溝と裏面の溝とは、幅方向に交互に形成され、つまり表裏面の溝が、互いに幅方向の同位置に形成されることはない。よって、溝を形成した部分の吸収層厚みが極端な過薄になるのを防ぐことができて、もって吸収層の極端な強度低下を抑えてその分断を防ぎつつ、良好な曲げ変形能を備えることができる。
上記発明によれば、幅方向の中央部に少なくとも1本形成された溝によって、この中央部にて屈曲することができるだけでなく、前記両端部に少なくとも1本ずつ形成された溝によってこれら端部でも屈曲することができる。したがって、幅方向の各位置に形成されたこれら三本の溝によって、吸収層は幅方向に柔軟に屈曲し、もって着用者の股間部のラインに沿ってフィットすることができる。
上記発明によれば、溝幅を5mm以上にしているので、吸収層の曲げ変形能を大きくできるとともに、溝による排泄液の拡散性にも優れる。また、溝幅を30mm以下にしているので、吸収層の綿状パルプの総量が極端に少なくなることはなく、もって所定の可能吸収容量を維持可能となる。
上記発明によれば、前記長手方向の中央部における幅方向の中央部にて大半が排泄される排泄液は、前記溝によって長手方向の前後へと誘導される。この時、前記溝同士の間隔は、長手方向の中央部から端部へ向かうに従って広くなっているので、幅方向の中央部にて排泄された排泄液を、長手方向の端部へと誘導しながら同時に幅方向へも誘導し、もって短時間で広い範囲に拡散させることができる。よって、中央部での滞留量を更に低減できて、もって横漏れをより確実に防止可能となる。
図1に示すように、この使い捨ておむつ10は、透液性の表面シート11と、この表面シート11との間に吸収体30を介装する不透液性の裏面シート21と、この裏面シート21の裏側全面を覆いつつ吸収体30よりも側方へ延出する部分(おむつ10両側部)において後記立体ギャザーシート41と共にサイドフラップ51を構成する外形シート23と、表面シート11上における吸収体30の両側縁部分に起立する立体ギャザー43を長手方向に亘って形成する立体ギャザーシート41とから主に構成される。
また、必要に応じて、この吸収体30の表面には、尿の表面拡散を促すべく、その全面を覆って不織布製拡散シート(不図示)を敷くのが良い。
図3(a)は、第1参考例の展開状態における使い捨ておむつを一部破断して示す平面図であり、図3(b)は図3(a)中のB−B線矢視の縦断面図である。
図3に示すように、前述した吸収体30の吸収層31の表面31aおよび裏面31bには、その長手方向に沿う幾つかの直線溝32a,32bが、互いの幅方向の間隔を長手方向に亘って一定に保って形成されている。詳細には、裏面31bについては幅方向の中央部に矩形断面の直線溝32bが一本形成され、表面31aには、幅方向の各端部に同じく矩形断面の直線溝32aが一本ずつ形成されている。
例えば、図4に第1実施形態のB−B線矢視の縦断面図を示すが、図示のように、前記第1参考例とは幅方向の溝配置を表裏逆にしている。すなわち、溝32a,32bを、表面31aの幅方向の中央部に一本、裏面31bの幅方向の各端部に一本ずつ形成している。そして、この構成によれば、表面31aの幅方向の中央部に位置する溝32aによって、長手方向の中央部31cにおける幅方向の中央部に排泄された排泄液を、即座に長手方向の前後へと誘導可能となる。
前記第1参考例及び第1実施形態は、吸収体30の吸収層31を単層で構成していたところ、本第2参考例は、吸収層31を二層で構成している点で相違する。すなわち、本第2参考例に係る吸収層31は、図示のように別々の独立した吸収層34,35を、上下に重ね合わせて構成される。そして、これらが重ね合わされた状態にて、前記クレープ紙33に包まれて一体化され、もって一つの吸収体30となっている。
本実施形態においては、吸収体30の形状を、概ね平面視砂時計状に形成したが、これに限るものではなく、平面視矩形状であっても良い。
本第1実施形態においては、溝32a,32bの断面形状を矩形にしたが、これに限るものではなく、半円形や半楕円形等でも良い。
10 使い捨ておむつ
11 表面シート
21 裏面シート
23 外形シート
30 吸収体
31 吸収層
31a 表面
31b 裏面
32a,32b 溝
41 立体ギャザーシート
42 立体ギャザーシートの延出部分
43 立体ギャザー
45 基端
47 先端側部分
49 基端側部分
51 サイドフラップ
Claims (5)
- 透液性の表面シートと不透液性の裏面シートとの間に、綿状パルプが層状に成形されてなる吸収層を備え、該吸収層の長手方向の前後側に前身頃および後身頃が設けられている使い捨ておむつにおいて、
前記吸収層の表面には、前記長手方向に沿う溝が、幅方向の中央部に少なくとも一本形成されていることを特徴とする使い捨ておむつ。 - 前記表面の溝と裏面の溝とは、前記吸収層の幅方向に交互に形成されていることを特徴とする請求項1に記載の使い捨ておむつ。
- 前記吸収層の裏面には、前記溝が、幅方向の両端部に少なくとも一本ずつ形成されていることを特徴とする請求項1又は2のいずれかに記載の使い捨ておむつ。
- 前記溝幅が5〜30mmであることを特徴とする請求項1乃至3のいずれかに記載の使い捨ておむつ。
- 前記幅方向に隣り合う溝同士の間隔は、前記長手方向の中央部から端部へ向かうに従って広がっていることを特徴とする請求項1乃至4のいずれかに記載の使い捨ておむつ。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004258486A JP4092319B2 (ja) | 2004-09-06 | 2004-09-06 | 使い捨ておむつ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004258486A JP4092319B2 (ja) | 2004-09-06 | 2004-09-06 | 使い捨ておむつ |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002200048A Division JP3616077B2 (ja) | 2002-07-09 | 2002-07-09 | 使い捨ておむつ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005034652A JP2005034652A (ja) | 2005-02-10 |
| JP4092319B2 true JP4092319B2 (ja) | 2008-05-28 |
Family
ID=34214401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004258486A Expired - Lifetime JP4092319B2 (ja) | 2004-09-06 | 2004-09-06 | 使い捨ておむつ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4092319B2 (ja) |
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- 2004-09-06 JP JP2004258486A patent/JP4092319B2/ja not_active Expired - Lifetime
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