JP2016013200A5

JP2016013200A5 -

Info

Publication number: JP2016013200A5
Application number: JP2014135427A
Authority: JP
Filing date: 2014-06-30
Publication date: 2016-10-13
Anticipated expiration: 2034-06-30

Description

本発明に係る吸収性物品は、前記表面層と前記裏面層とは、単数又は複数のシート部材から構成されて、少なくとも前記縦軸の方向へ伸長性を有しており、前記表裏面層を構成する前記シート部材のうちの少なくとも１つは、前記縦軸の方向へ伸縮性を有し、前記吸液層は、その中央部に位置する中央伸長手段と、両側部に位置するサイド伸長手段とを含み、前記中央伸長手段は、前記縦軸と交差し、かつ、前記縦軸の方向において所与寸法離間して並んだ複数の第１スリットから形成され、前記サイド伸長手段は、前記吸液層の両側縁から前記縦軸に向かって延び、かつ、前記縦軸近傍において前記横軸の方向に互いに離間する複数の一対の第２スリットとから形成されており、前記縦軸の方向に並ぶ前記第１スリット間に前記第２スリットが位置し、前記第２スリットの内端が前記第１スリットの外端よりも前記縦軸側に位置し、前記吸液層が、少なくとも前記縦軸の方向へ伸長可能である。 In the absorbent article according to the present invention, the front surface layer and the back surface layer are composed of one or a plurality of sheet members and have extensibility at least in the direction of the vertical axis. At least one of the constituting sheet members has elasticity in the direction of the longitudinal axis, and the liquid absorbing layer has a central extending means located in the central part thereof, and side extending means located in both side parts. The central extension means is formed from a plurality of first slits that intersect the longitudinal axis and are spaced apart by a given dimension in the direction of the longitudinal axis. extending from both side edges of the liquid layer toward said longitudinal axis and in the vertical axis near is formed of a plurality of pairs of second slits spaced apart from each other in the direction of the horizontal axis, in the direction of the longitudinal axis Between the first slits lined up, the second slip There located, located in the vertical-axis side than the outer end of the second inner end of the first slit of the slit, the liquid absorbing layer, Ru der extendable in the direction of at least said longitudinal axis.

縦軸及び横軸と、肌対向面及びその反対側の非肌対向面と、前記肌対向面側に位置する表面層と、前記非肌対向面側に位置する裏面層と、前記表裏面層間に介在された吸液層とを含む吸収性物品において、前記表面層と前記裏面層とは、単数又は複数のシート部材から構成されて、少なくとも前記縦軸の方向へ伸長性を有しており、前記表裏面層を構成する前記シート部材のうちの少なくとも１つは、前記縦軸の方向へ伸縮性を有し、前記吸液層は、その中央部に位置する中央伸長手段と、両側部に位置するサイド伸長手段とを含み、前記中央伸長手段は、前記縦軸と交差し、かつ、前記縦軸の方向において所与寸法離間して並んだ複数の第１スリットから形成され、前記サイド伸長手段は、前記吸液層の両側縁から前記縦軸に向かって延び、かつ、前記縦軸近傍において前記横軸の方向に互いに離間する複数の一対の第２スリットとから形成されており、前記縦軸の方向に並ぶ前記第１スリット間に前記第２スリットが位置し、前記第２スリットの内端が前記第１スリットの外端よりも前記縦軸側に位置し、前記吸液層が、少なくとも前記縦軸の方向へ伸長可能である。 Vertical axis and horizontal axis, skin facing surface and non-skin facing surface on the opposite side, surface layer located on the skin facing surface side, back layer located on the non-skin facing surface side, and front and back layers In the absorbent article including the liquid-absorbing layer interposed in the surface layer, the front surface layer and the back surface layer are composed of one or a plurality of sheet members and have extensibility in at least the direction of the vertical axis. In addition, at least one of the sheet members constituting the front and back layers has elasticity in the direction of the vertical axis, and the liquid absorption layer has a central extension means located at the central portion thereof, and both side portions. The central extension means is formed from a plurality of first slits that intersect the longitudinal axis and are spaced apart by a given dimension in the direction of the longitudinal axis. extension means extends toward the longitudinal axis from opposite side edges of said liquid-absorbent layer And, wherein is the longitudinal axis near formed from a plurality of the pair of second slits spaced apart from one another in the direction of the horizontal axis, the second slit between the first slit arranged in the direction of the longitudinal axis is positioned The inner end of the second slit is located on the vertical axis side with respect to the outer end of the first slit, and the liquid absorbing layer can extend at least in the direction of the vertical axis.

上記段落に開示した本発明は、少なくとも下記の実施の形態を含むことができる。
（１）自然状態から前記縦軸の方向において７００ｍＮ／２５ｍｍの力で引っ張ったときに、少なくとも前記縦軸の方向へ３％以上伸長可能である。
（２）前記表面層は透液性の表面シートを有し、前記裏面層は、不透液性の裏面シートを有し、前記表裏面シートのうちの少なくとも一方が、伸縮性の繊維不織布から形成される。
（３）前記第１スリットと前記第２スリットとの前記縦軸の方向における離間寸法が５．０〜３０．０ｍｍ、前記横軸の方向において対向する１対の前記第２スリットの離間寸法が５．０〜３０．０ｍｍである。
（４）前記裏面層は、吸液層の底面に配置された、不透液性かつ伸縮性の防漏シートを有する。
（５）前記吸液層の前記両側縁から前記横軸の方向の外側へ延びる伸縮性を有するサイドシートが配置される。
（６）前記吸液層の前記両側縁の外側における前記表面シート、前記裏面シート及び前記サイドシートから形成されるサイドフラップには、前記縦軸の方向へ延びる一対の弾性補助シートが配置される。
The present invention disclosed in the above paragraph can include at least the following embodiments.
(1) when pulled by the force of Oite 700 mN / 25 mm from the natural state in the direction of the longitudinal axis, it is stretchable at least 3% or more in the direction of the longitudinal axis.
(2) The surface layer has a liquid-permeable surface sheet, the back surface layer has a liquid-impermeable back sheet, and at least one of the front and back sheets is made of a stretchable fiber nonwoven fabric. It is formed.
(3) The separation dimension of the first slit and the second slit in the direction of the vertical axis is 5.0 to 30.0 mm, and the separation dimension of the pair of second slits facing each other in the direction of the horizontal axis is 5.0 is a ~30.0mm.
(4) The back surface layer has a liquid-impervious and stretchable leak-proof sheet disposed on the bottom surface of the liquid absorbing layer.
(5) A side sheet having elasticity that extends outward from the both side edges of the liquid absorption layer in the direction of the horizontal axis is disposed.
(6) the topsheet on the outside of said opposite side edges of said liquid-absorbent layer, the backsheet and the side flaps are formed from the side sheet, a pair of resilient auxiliary sheet extending in the direction of the longitudinal axis is arranged .

Claims

Vertical axis and horizontal axis, skin facing surface and non-skin facing surface on the opposite side, surface layer located on the skin facing surface side, back layer located on the non-skin facing surface side, and front and back layers In an absorbent article including a liquid absorbing layer interposed in,
The front surface layer and the back surface layer are composed of one or a plurality of sheet members, and have at least extensibility in the direction of the vertical axis,
At least one of the sheet members constituting the front and back layers has elasticity in the direction of the vertical axis,
The liquid-absorbing layer includes a central extension means located at the center part thereof, and side extension means located at both side parts,
The central extension means is formed from a plurality of first slits that intersect the vertical axis and are arranged at a given distance in the direction of the vertical axis,
It said side extension means extends from both side edges of the liquid-absorbent layer to said longitudinal axis, and is formed of a plurality of pairs of second slits spaced apart from each other in the longitudinal axis near the direction of the transverse axis And
The second slit is located between the first slits arranged in the direction of the vertical axis, the inner end of the second slit is located on the vertical axis side with respect to the outer end of the first slit, and the liquid absorbing layer but intake Osamusei article you being a stretchable in the direction of at least said longitudinal axis.

When pulled with a force of Oite 700 mN / 25 mm from the natural state in the direction of said longitudinal axis, the absorbent article according to claim 1 which is extensible at least 3% or more in the direction of said longitudinal axis.

The absorbent article in any one of Claims 1-5 by which the side sheet | seat which has the elasticity extended from the said both-sides edge of the said liquid absorption layer to the outer side of the direction of the said horizontal axis is arrange | positioned.