JP6507193B2 - 吸収性物品 - Google Patents
吸収性物品 Download PDFInfo
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- JP6507193B2 JP6507193B2 JP2017066736A JP2017066736A JP6507193B2 JP 6507193 B2 JP6507193 B2 JP 6507193B2 JP 2017066736 A JP2017066736 A JP 2017066736A JP 2017066736 A JP2017066736 A JP 2017066736A JP 6507193 B2 JP6507193 B2 JP 6507193B2
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- emboss
- absorbent
- absorber
- body fluid
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- 239000006096 absorbing agent Substances 0.000 claims description 124
- 210000001124 body fluid Anatomy 0.000 claims description 87
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- 210000001217 buttock Anatomy 0.000 claims description 16
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- 239000008280 blood Substances 0.000 description 5
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- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
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Description
少なくとも体液排出部に対応する領域の両側に、吸収性物品の長手方向に沿って延びるとともに、前記透液性表面シートから前記吸収体にかけて窪ませた表面エンボスと、前記表面エンボスより幅方向中央側に離間した位置で前記表面エンボスに沿って延びるとともに、前記吸収体を窪ませて前記透液性表面シートと吸収体との間に空間部を形成する吸収体エンボスとが備えられており、
体液排出部に対応する領域に、肌側に増厚した前記吸収体の中高部が形成され、
前記吸収体エンボスは、前記中高部を通る位置において、前記中高部及び吸収体を一体的に窪ませて形成されるとともに、前記中高部の両側部を通る位置に配置され、
前記表面エンボスは、体液排出部に対応する領域から臀部溝に対応する領域にかけての両側部にそれぞれ、吸収性物品の長手方向に沿って形成された前側表面エンボスを含むとともに、前記吸収体エンボスは、体液排出部に対応する領域から臀部溝に対応する領域にかけての両側部にそれぞれ、吸収性物品の長手方向に沿って形成された前側吸収体エンボスを含み、前記前側表面エンボスと、この前側表面エンボスの内側に沿って設けられた前記前側吸収体エンボスとは、前端及び後端が吸収性物品の幅方向にほぼ一致する位置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。
前記不透液性裏面シート2と透液性表面シート3との間に介在される吸収体4は、たとえば綿状パルプと吸水性ポリマーとにより構成されている。前記吸水性ポリマーは吸収体を構成するパルプ中に、例えば粒状粉として混入されている。前記パルプとしては、木材から得られる化学パルプ、溶解パルプ等のセルロース繊維や、レーヨン、アセテート等の人工セルロース繊維からなるものが挙げられ、広葉樹パルプよりは繊維長の長い針葉樹パルプの方が機能および価格の面で好適に使用される。前記吸収体4の目付は、250〜650g/m2、好ましくは300〜400g/m2とするのがよい。
本生理用ナプキン1では、少なくとも体液排出部Hに対応する領域の両側に、生理用ナプキン1の長手方向に沿って延びるとともに、透液性表面シート3から吸収体4にかけて窪ませた表面エンボス10と、前記表面エンボス10より幅方向中央側に離間した位置で前記表面エンボス10に沿って延びるとともに、吸収体4を窪ませて透液性表面シート3と吸収体4との間に空間部12を形成する吸収体エンボス11とが備えられている。
Claims (3)
- 透液性表面シートと不透液性裏面シートとの間に吸収体が介在された吸収性物品において、
少なくとも体液排出部に対応する領域の両側に、吸収性物品の長手方向に沿って延びるとともに、前記透液性表面シートから前記吸収体にかけて窪ませた表面エンボスと、前記表面エンボスより幅方向中央側に離間した位置で前記表面エンボスに沿って延びるとともに、前記吸収体を窪ませて前記透液性表面シートと吸収体との間に空間部を形成する吸収体エンボスとが備えられており、
体液排出部に対応する領域に、肌側に増厚した前記吸収体の中高部が形成され、
前記吸収体エンボスは、前記中高部を通る位置において、前記中高部及び吸収体を一体的に窪ませて形成されるとともに、前記中高部の両側部を通る位置に配置され、
前記表面エンボスは、体液排出部に対応する領域から臀部溝に対応する領域にかけての両側部にそれぞれ、吸収性物品の長手方向に沿って形成された前側表面エンボスを含むとともに、前記吸収体エンボスは、体液排出部に対応する領域から臀部溝に対応する領域にかけての両側部にそれぞれ、吸収性物品の長手方向に沿って形成された前側吸収体エンボスを含み、前記前側表面エンボスと、この前側表面エンボスの内側に沿って設けられた前記前側吸収体エンボスとは、前端及び後端が吸収性物品の幅方向にほぼ一致する位置に形成されていることを特徴とする吸収性物品。 - 前記表面エンボスと前記吸収体エンボスとの吸収性物品の幅方向の離間距離は、5〜15mmである請求項1記載の吸収性物品。
- 前記吸収体エンボスとして、臀部溝に対応する領域の両側部にそれぞれ、吸収性物品の長手方向に沿って形成された後側吸収体エンボスを含むとともに、この後側吸収体エンボスの後側に離間して吸収性物品の長手方向中心線を幅方向に横断し、後方に向けて突出する湾曲形の平面形状からなる後端吸収体エンボスを含み、前記後端吸収体エンボスは圧搾部と非圧搾部とが交互に配置された破線状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。
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