JP2017202068A - 吸収性物品 - Google Patents
吸収性物品 Download PDFInfo
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- JP2017202068A JP2017202068A JP2016094942A JP2016094942A JP2017202068A JP 2017202068 A JP2017202068 A JP 2017202068A JP 2016094942 A JP2016094942 A JP 2016094942A JP 2016094942 A JP2016094942 A JP 2016094942A JP 2017202068 A JP2017202068 A JP 2017202068A
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- elastic member
- absorber
- sheet
- pair
- absorbent article
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Abstract
【解決手段】吸収性物品1は、表面シート2と、裏面シート3と、表面シートと裏面シートとの積層体内に配置された吸収体4とを備える。更に、幅方向Wに伸縮可能に積層体内に配置されたウェスト伸縮部材11と、幅方向に伸縮可能に積層体の周縁部に形成された一対のサイド伸縮部材7、7と、を備える。一対のサイド伸縮部材の一方及び他方は、それぞれ積層体の幅方向の一端部及び他端部に形成される。ウェスト伸縮部材は、一対のサイド伸縮部材の各々と長手方向において重なり、吸収体よりも厚み方向において非肌側に配置され、厚み方向において吸収体と重なるが、非接合である。
【選択図】図1
Description
(1)表面シートと、裏面シートと、前記表面シートと前記裏面シートとの積層体内に配置された吸収体とを備え、長手方向、幅方向及び厚さ方向を有する吸収性物品であって、伸縮方向に伸縮可能であり、前記伸縮方向を前記幅方向に沿うようにして前記積層体内に配置されたウェスト伸縮部材と、伸縮方向に伸縮可能であり、前記伸縮方向を前記幅方向に沿うようにして前記積層体の周縁部に形成された一対のサイド伸縮部材であって、前記一対のサイド伸縮部材の一方及び他方は、それぞれ前記積層体の前記幅方向の一端部及び他端部に形成される一対のサイド伸縮部材と、を備え、前記ウェスト伸縮部材は、前記一対のサイド伸縮部材の各々と前記長手方向において重なり、前記厚み方向において前記吸収体よりも非肌側に配置され、前記厚み方向において前記吸収体と重なるが、非接合である、吸収性物品。
ウェスト伸縮部材と吸収体とは厚み方向に重なっているが、両者は互いに非接合であり、すなわち両者は接着剤等により接合されていないので、ウェスト伸縮部材と吸収体とは相対的に互いに動くことができる。そのため、着用時に、身体への適合性を高めるようにウェスト伸縮部材が幅方向に収縮した場合でも、吸収体はほとんど収縮せず、よって吸収体に収縮に伴う変形がほとんど生じないので、吸収体の吸収性能の低下や吸収体の装着快適性の低下を抑制できる。更に、非肌側に位置するウェスト伸縮部材が収縮し、肌側に位置する吸収体がほとんど収縮しないことで、ウェスト伸縮部材より肌側、すなわち吸収体側に向かう圧力がかかり、吸収体を肌側に押し出すことができる。それにより、吸収体を装着者へより密着させることができるので、吸収性能を向上できると共に、着用時の身体への適合性を高めることができる。ただし、このように吸収体が肌側に押し出されるとき、吸収体の幅方向の主に中央部が着用者の肌面に押し付けられる一方、吸収体の幅方向の端部が肌面から離れ気味になるおそれがある。しかし、一対のサイド伸縮部材の収縮しようとする力が、表面シートと裏面シートとの積層体の幅方向の両端部に働くので、積層体、特に裏面シートが一対のサイド伸縮部材に引っ張られることで、吸収体の幅方向の端部が裏面シートにより肌面に押し付けられて、吸収体の幅方向の端部が肌面から離れることはなくなる。それにより上記のウェスト伸縮部材による吸収体を肌側に押し出す作用を吸収体の幅方向の全体に及ぼすことができる。
本吸収性物品では、ウェスト伸縮部材と一対のサイド伸縮部材の各々とが幅方向に離間しているので、ウェスト伸縮部材と一対のサイド伸縮部材の各々との間の伸縮しない積層体の部分が積層体の幅方向の両端部を伸長せずに引っ張るので、吸収体を肌側により強く押し付けることができる。それにより、吸収体を装着者へより密着させることができるので、吸収性能を向上できると共に、着用時の身体への適合性を高めることができる。
本吸収性物品では、長手方向において、ウェスト伸縮部材と吸収体とがずれており、すなわちウェスト伸縮部材が吸収体よりも長手方向の後側方向にずれている。したがって、ウェスト伸縮部材が吸収体と長手方向で完全に重なる場合と比較して、ウェスト伸縮部材と吸収体との摩擦等が低減されて、ウェスト伸縮部材を幅方向により伸長し易くすることができる。それにより、ウェスト伸縮部材は吸収体側により強く圧力をかけることができ、吸収体を肌側により押し出すことができる。それにより、吸収体を装着者へより密着させることができるので、吸収性能を向上できると共に、着用時の身体への適合性を高めることができる。
本吸収性物品では、長手方向において、ファスニングテープがウェスト伸縮部材に重なる。そのため、一対のサイド伸縮部材が引き伸ばされて、各サイド伸縮部材のファスニングテープがターゲットテープに付着されたとき、ファスニングテープ間では、サイド伸縮部材の収縮しようとする力とウェスト伸縮部材の収縮しようとする力とが協調して、吸収体を肌側により強く押し付けることができる。それにより、吸収体を装着者へより密着させることができるので、吸収性能を向上できると共に、着用時の身体への適合性を高めることができる。
本吸収性物品では、長手方向において、一対のサイド伸縮部材の各々が吸収体に重なるので、一対のサイド伸縮部材の各々の収縮しようとする力を吸収体により伝達させ易くでき、吸収体を肌側により押し付けることができる。それにより、吸収体を装着者へより密着させることができるので、吸収性能を向上できると共に、着用時の身体への適合性を高めることができる。
2 表面シート
3 裏面シート
4 吸収体
7 サイド伸縮部材
11 ウェスト伸縮部材
Claims (5)
- 表面シートと、裏面シートと、前記表面シートと前記裏面シートとの積層体内に配置された吸収体とを備え、長手方向、幅方向及び厚さ方向を有する吸収性物品であって、
伸縮方向に伸縮可能であり、前記伸縮方向を前記幅方向に沿うようにして前記積層体内に配置されたウェスト伸縮部材と、
伸縮方向に伸縮可能であり、前記伸縮方向を前記幅方向に沿うようにして前記積層体の周縁部に形成された一対のサイド伸縮部材であって、前記一対のサイド伸縮部材の一方及び他方は、それぞれ前記積層体の前記幅方向の一端部及び他端部に形成される一対のサイド伸縮部材と、
を備え、
前記ウェスト伸縮部材は、
前記一対のサイド伸縮部材の各々と前記長手方向において重なり、
前記厚み方向において前記吸収体よりも非肌側に配置され、
前記厚み方向において前記吸収体と重なるが、非接合である、
吸収性物品。 - 前記ウェスト伸縮部材と前記一対のサイド伸縮部材の各々とは前記幅方向に離間している、
請求項1に記載の吸収性物品。 - 前記長手方向の一方向は前側方向であり、他方向は後側方向であり、
前記長手方向において、前記吸収体の前記後側方向の端部は、前記ウェスト伸縮部材の前記前側方向の端部と前記後側方向の端部との間に位置する、
請求項1又は2に記載の吸収性物品。 - 前記一対のサイド伸縮部材の各々は、前記幅方向の外側にファスニングテープを備えており、
前記長手方向において、前記ファスニングテープは前記ウェスト伸縮部材に重なる、
請求項1乃至3のいずれか一項に記載の吸収性物品。 - 前記長手方向において、前記一対のサイド伸縮部材の各々は前記吸収体に重なる、
請求項1乃至4のいずれか一項に記載の吸収性物品。
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