JPH08164159A - 体液吸収性物品 - Google Patents
体液吸収性物品Info
- Publication number
- JPH08164159A JPH08164159A JP6309232A JP30923294A JPH08164159A JP H08164159 A JPH08164159 A JP H08164159A JP 6309232 A JP6309232 A JP 6309232A JP 30923294 A JP30923294 A JP 30923294A JP H08164159 A JPH08164159 A JP H08164159A
- Authority
- JP
- Japan
- Prior art keywords
- body fluid
- sheet
- absorber
- diffusion sheet
- synthetic resin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000001124 body fluid Anatomy 0.000 title claims abstract description 28
- 239000010839 body fluid Substances 0.000 title claims abstract description 26
- 239000006096 absorbing agent Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 229920003002 synthetic resin Polymers 0.000 claims abstract description 16
- 239000000057 synthetic resin Substances 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 8
- 238000009792 diffusion process Methods 0.000 claims description 33
- 239000002250 absorbent Substances 0.000 claims description 21
- 230000002745 absorbent Effects 0.000 claims description 20
- 229920001169 thermoplastic Polymers 0.000 claims description 10
- 239000004416 thermosoftening plastic Substances 0.000 claims description 10
- 239000004745 nonwoven fabric Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 8
- 238000011109 contamination Methods 0.000 abstract 1
- 239000008280 blood Substances 0.000 description 22
- 210000004369 blood Anatomy 0.000 description 22
- 230000002175 menstrual effect Effects 0.000 description 22
- 238000000034 method Methods 0.000 description 3
- 239000004831 Hot glue Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229920000247 superabsorbent polymer Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53743—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers
- A61F13/53747—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterised by the position of the layer relative to the other layers the layer is facing the topsheet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
- A61F13/5121—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations characterised by the vertical shape of the apertures, e.g. three dimensional apertures, e.g. macro-apertures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
- A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal direction
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F2013/51059—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers being sprayed with chemicals
- A61F2013/51061—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers being sprayed with chemicals for rendering the surface hydrophobic
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F2013/51186—Topsheet, i.e. the permeable cover or layer facing the skin specially shaped topsheets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
- A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
- A61F2013/51355—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow
- A61F2013/51372—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability for improving fluid flow with valve or valve-like upper layer; Tapered capillary structures
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
- A61F2013/53765—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer characterized by its geometry
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
該物品を構成する吸収体の体液による汚れを隠蔽する。 【構成】 導液管6を備えた表面シート2で吸収体4の
少なくとも上面を被覆してある体液吸収性物品(生理用
ナプキン)1において、表面シート2の下面と吸収体4
の上面との間に体液拡散シート5を介在させ、シート5
を親水性繊維で構成し、シート5の上面15に疎水性合
成樹脂連続面域8を形成する。
Description
い捨ておむつなどの体液吸収性物品に関する。
開口する導液管を備えた表面シートで吸収体の上面を被
覆する技術は公知である。また、かかる物品が例えば生
理用ナプキンであれば、経血で汚れた吸収体が導液管の
開口から鮮やかに看取されることがないように、その開
口の下端に接触させたネットで開口を複数に分割する技
術が特開平5−154175号公報に開示されている。
この技術によれば、使用後のナプキンは経血による汚れ
が目立たない。
口を複数に分割して小さくするほど、表面シートの開口
面積率が減少し、ナプキンの体液吸収速度や吸収率とい
った吸収能力の低下につながりかねない。そこで、この
発明は、吸収体の上面と表面シートの下面との間に疎水
性合成樹脂の連続面域が上面に形成された親水性繊維か
らなる体液拡散シートを介在させることにより、体液の
吸収能力を低下させることなく吸収体の経血による汚れ
を隠蔽することを課題にしている。
決するために手段とするところは、以下のとおりであ
る。
あけて配置され上下端が開口して下方向へ延出する多数
の導液管を備えた表面シートで吸収体の少なくとも上面
を被覆してある体液吸収性物品を前提にしている。
シートの下面との間に、並行する複数条の疎水性合成樹
脂連続面域が上面に形成された親水性繊維からなる体液
拡散シートを介在させて導液管の下端に接触させるとと
もに、前記連続面域をして導液管の下端開口を横切らせ
てあることがこの発明の特徴である。
記連続面域が熱可塑性合成樹脂を押出成形したもので構
成され、体液拡散シートが親水化処理した熱可塑性合成
繊維不織布である。また、前記連続面域は体液拡散シー
トの下面にも形成されることがある。
された体液、例えば経血が導液管の下端開口からそれに
接触する体液拡散シートへ移行して該シート内に拡散
し、さらにその下の吸収体へと移行する。吸収体は、体
液拡散シートに覆われ、そのシート上面には複数条の合
成樹脂連続面域が形成されているから、吸収体の経血に
よる汚れは、拡散シートと連続面域とによって隠蔽され
て容易に看取されることがない。***された経血は、親
水性繊維からなる体液拡散シート内に拡散するから、た
といそれが前記物品の局所に***されても、吸収体上面
の広い範囲に行き渡り、速やかに吸収される。
て生理用ナプキンを例にとり、添付の図面を参照して説
明すると、以下のとおりである。
図である。ナプキン1は、ほぼ矩形であって、透液性表
面シート2と、不透液性裏面シート3と、これら両シー
ト2,3間に介在する吸収体4と、表面シート2と吸収
体4との間に介在する体液拡散シート5とからなる。吸
収体4と拡散シート5とは、平面形状が実質的に同じで
あって、吸収体4はその上面が拡散シート5で被覆され
た状態にあり、表裏面シート2,3は、吸収体4の四周
から延出する部分が水密に接合している。
ムの加工品であって、平面方向に所要の間隔をあけて配
置された多数の導液管6を備えることにより透液性を有
している。裏面シート3は熱可塑性合成樹脂フィルムで
ある。吸収体4は、粉砕パルプや粉砕パルプと高吸水性
ポリマーの混合物の賦型品である。拡散シート5は、親
水化処理した熱可塑性合成繊維不織布であって、少なく
ともその上面にはナプキン1の長手方向に互いに並行し
て延在する幅0.05〜1.5mm、より好ましくは
0.1〜1.0mmの疎水性熱可塑性合成樹脂の連続面
域8がある。
大断面図であって、ナプキン1の断面が模式的に示して
ある。図において、表面シート2の導液管6は、上端開
口10と下端開口11とを有し、その径方向の断面形状
は円形、多角形等の適宜の形状にすることができる。そ
れが円形である場合に上下端の開口径D,dは、互いの
大小関係を問わない。
と高吸水性ポリマー粒子13とが見える。吸収体4の繊
維密度は、拡散シート5の繊維密度よりも高くしてあ
り、ポリマー粒子13は、吸収体4の5〜40重量%の
範囲で使用し、粉砕パルプ12と均一に混合してもよい
が、好ましくは、吸収体4の下層部分に多くを分布させ
る。かかる吸収体4は、ホットメルト接着剤などにより
裏面シート3の上面に間欠的に接合し、互いにずれ動く
ことがないようにすることができる。
例えば坪量10〜50g/m2の親水化処理したスパン
ボンド不織布であって、その繊維密度は吸収体4のそれ
よりも低くしてある。拡散シート5の上面15は表面シ
ート2の下端開口11に密着し、下面16は吸収体4の
上面に密着している。上面15の樹脂連続面域8は、拡
散シート5に融着したポリエチレン、ポリプロピレン等
の疎水性合成樹脂フィルムからなり、幅W=0.05〜
1.5mm、より好ましくは0.1〜1.0mmを有
し、幅方向の配列間隔が導液管6の下端開口径dより小
さく、連続面域8の幅方向の少なくとも一部が各下端開
口11の一部分を横切っている。
と、***された経血は、図1、2に矢印で示したように
移行する。すなわち、経血は導液管6を通って相対的に
低密度の拡散シート5に吸収されて、シート5の長手方
向(図1参照)と幅方向(図2参照)とに拡散しなが
ら、さらに相対的に高密度の吸収体4に吸収、保持され
る。保持された経血は、拡散シート5と樹脂連続面域8
とに遮られ表面シート2の上方からは容易にそれと看取
することができないのみならず、吸収体4から表面シー
ト2上面への逆流(いわゆるリウエット現象)も起こら
ない。このナプキン1では、経血がシート5内に吸収さ
れると広く拡散し、吸収体4上面の広い範囲から吸収さ
れることとなるので、連続面域8が導液管6の下端開口
11の一部を塞いでも、ナプキン1全体としての経血吸
収速度や吸収量の妨げにはならない。
要部拡大断面図である。このナプキン1では拡散シート
5の上下面15,16に連続面域8がある。この拡散シ
ート5では、導液管6の下端開口11を連続面域8で直
接的に塞ぐ面積を小さくして経血の吸収速度を相対的に
高めながら、吸収体5の経血を直接的に隠蔽するという
効果を得ることができる。
ン1の要部拡大断面図である。このナプキン1の拡散シ
ート5では、不織布の繊維密度を連続面域8の下の部分
20で相対的に高く、連続面域8間の部分21で低くし
てある。さらに、部分20の密度は吸収体4のそれより
も低くしてあるから、経血の多くは、低密度部分21か
ら高密度部分20へと移行したのち吸収体4へと移行す
る。このようにすると、拡散シート5では経血が連続面
域8の下の高密度部分20に集まり、かつ、部分20に
おいてその長手方向へ速やかに拡散するようになるか
ら、吸収体4の経血による汚れに加え、拡散シート5の
汚れも目立ちにくくなる。しかも、経血は、そのような
拡散によってナプキン1の端部にまで速やかに行き渡
り、吸収体4にその端部からも吸収されるようになる。
ト5に使用したスパンボンド不織布をメルトボンド不織
布等その他の不織布に代えることができる他に、シート
状の単なる繊維ウエブに代えることもできる。また、疎
水性合成樹脂の連続面域8を形成するには、連続的に供
給する拡散シート5の上面に幅(W)0.05〜1.5
mm、厚さ0.01〜0.08mmの熱可塑性合成樹脂
帯状物ないし糸状物を押出し、圧着してもよい。また、
それに代えて拡散シート5の表面にホットメルト接着剤
を糸状にコーティングしたり、シート5の表面を部分的
に加熱溶融してフィルム状にしてもよい。これら連続面
域8は、経血の長手方向への拡散を阻害しない程度にお
いて、互いに隣接する面域8を梯子状に部分的に連結し
て補強することもできる。ただし、その連結部分は、面
域8の長手方向において互いに20mm以上離隔してい
ることが好ましい。面域8は、適宜着色して経血を効果
的に隠蔽することができる。さらにはまた、拡散シート
5の構成繊維の多く、より好ましくは過半をナプキン1
の長手方向または幅方向に配向させておくことにより、
経血を吸収体4の端部や側部にまで迅速に行き渡らせる
ことができる。
は、表面シートと吸収体との間に拡散シートを介在さ
せ、その拡散シートを親水性繊維で構成し、シート上面
には疎水性合成樹脂連続面域を設けたから、該物品の体
液吸収能力を妨げることなく吸収体の経血による汚れを
効果的に隠蔽することができる。
図面。
Claims (4)
- 【請求項1】平面に所要の間隔をあけて配置され上下端
が開口して下方向へ延出する多数の導液管を備えた表面
シートで吸収体の少なくとも上面を被覆してある体液吸
収性物品において、 前記吸収体の上面と前記表面シートの下面との間に、互
いに並行する複数条の疎水性合成樹脂連続面域が上面に
形成された親水性繊維からなる体液拡散シートを介在さ
せて前記導液管の下端に接触させるとともに、前記連続
面域をして前記導液管の下端開口を横切らせてあること
を特徴とする前記物品。 - 【請求項2】前記連続面域が熱可塑性合成樹脂を押出成
形したもので構成され、前記体液拡散シートが親水化処
理した熱可塑性合成繊維不織布である請求項1記載の物
品。 - 【請求項3】前記連続面域が押出成形した幅0.05〜
1.5mmの熱可塑性合成樹脂フィルム状物ないし糸状
物からなる請求項1記載の物品。 - 【請求項4】前記連続面域が前記体液拡散シートの下面
にも形成されている請求項1記載の物品。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6309232A JP3058572B2 (ja) | 1994-12-13 | 1994-12-13 | 体液吸収性物品 |
AU40247/95A AU703714B2 (en) | 1994-12-13 | 1995-12-06 | Disposable absorbent articles |
TW084217521U TW351992U (en) | 1994-12-13 | 1995-12-06 | Urine absorbent garment |
US08/569,037 US5613962A (en) | 1994-12-13 | 1995-12-07 | Disposable absorbent articles |
CN95228219U CN2252616Y (zh) | 1994-12-13 | 1995-12-12 | 一次性的有吸收能力的物品 |
KR2019950040221U KR0123545Y1 (ko) | 1994-12-13 | 1995-12-12 | 체액 흡수성 물품 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6309232A JP3058572B2 (ja) | 1994-12-13 | 1994-12-13 | 体液吸収性物品 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH08164159A true JPH08164159A (ja) | 1996-06-25 |
JP3058572B2 JP3058572B2 (ja) | 2000-07-04 |
Family
ID=17990526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6309232A Expired - Lifetime JP3058572B2 (ja) | 1994-12-13 | 1994-12-13 | 体液吸収性物品 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5613962A (ja) |
JP (1) | JP3058572B2 (ja) |
KR (1) | KR0123545Y1 (ja) |
CN (1) | CN2252616Y (ja) |
AU (1) | AU703714B2 (ja) |
TW (1) | TW351992U (ja) |
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-
1994
- 1994-12-13 JP JP6309232A patent/JP3058572B2/ja not_active Expired - Lifetime
-
1995
- 1995-12-06 AU AU40247/95A patent/AU703714B2/en not_active Ceased
- 1995-12-06 TW TW084217521U patent/TW351992U/zh unknown
- 1995-12-07 US US08/569,037 patent/US5613962A/en not_active Expired - Lifetime
- 1995-12-12 CN CN95228219U patent/CN2252616Y/zh not_active Expired - Lifetime
- 1995-12-12 KR KR2019950040221U patent/KR0123545Y1/ko not_active IP Right Cessation
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JP2002238946A (ja) * | 2001-02-20 | 2002-08-27 | Nippon Kyushutai Gijutsu Kenkyusho:Kk | 液体分配ユニットとそれを備えた吸収体製品 |
JP2002345883A (ja) * | 2001-05-23 | 2002-12-03 | Livedo Corporation | パンツ型使い捨ておむつの連続製造方法 |
US7235707B2 (en) | 2002-01-24 | 2007-06-26 | Uni-Charm Corporation | Absorbent article for reducing urine odor |
JP2004024570A (ja) * | 2002-06-26 | 2004-01-29 | Daio Paper Corp | 吸収性物品 |
JP2006512159A (ja) * | 2002-12-30 | 2006-04-13 | キンバリー クラーク ワールドワイド インコーポレイテッド | 再濡れ、取り入れ、及び汚れマスキング性能を強化した吸収性製品 |
JP2005296480A (ja) * | 2004-04-15 | 2005-10-27 | Uni Charm Corp | 生理用ナプキン |
WO2005099641A1 (ja) * | 2004-04-15 | 2005-10-27 | Uni-Charm Corporation | 生理用ナプキン |
JP2005296481A (ja) * | 2004-04-15 | 2005-10-27 | Uni Charm Corp | 生理用ナプキン |
WO2005099640A1 (ja) * | 2004-04-15 | 2005-10-27 | Uni-Charm Corporation | 生理用ナプキン |
US7976524B2 (en) | 2005-01-20 | 2011-07-12 | Uni-Charm Corporation | Absorbent article |
JP2008136583A (ja) * | 2006-11-30 | 2008-06-19 | Japan Absorbent Technology Institute | 高吸水性複合シートおよび吸収体物品 |
CN101874756A (zh) * | 2009-04-29 | 2010-11-03 | 约翰逊·约翰逊工商业有限公司 | 包括多个纵向延伸通道的吸收制品 |
JP2014090726A (ja) * | 2012-10-31 | 2014-05-19 | Kao Corp | 吸収性物品 |
JP2019097690A (ja) * | 2017-11-29 | 2019-06-24 | 花王株式会社 | 吸収性物品 |
KR102026925B1 (ko) * | 2019-04-23 | 2019-09-30 | 윤성도 | 쾌적성 강화 위생 팬티 |
Also Published As
Publication number | Publication date |
---|---|
KR960020154U (ko) | 1996-07-18 |
US5613962A (en) | 1997-03-25 |
AU703714B2 (en) | 1999-04-01 |
TW351992U (en) | 1999-02-01 |
KR0123545Y1 (ko) | 1998-09-15 |
CN2252616Y (zh) | 1997-04-23 |
AU4024795A (en) | 1996-06-20 |
JP3058572B2 (ja) | 2000-07-04 |
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