JP3215262B2 - 使い捨ての体液吸収性物品 - Google Patents

使い捨ての体液吸収性物品

Info

Publication number
JP3215262B2
JP3215262B2 JP12258494A JP12258494A JP3215262B2 JP 3215262 B2 JP3215262 B2 JP 3215262B2 JP 12258494 A JP12258494 A JP 12258494A JP 12258494 A JP12258494 A JP 12258494A JP 3215262 B2 JP3215262 B2 JP 3215262B2
Authority
JP
Japan
Prior art keywords
topsheet
liquid
sheet
body fluid
article
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.)
Expired - Lifetime
Application number
JP12258494A
Other languages
English (en)
Other versions
JPH07328060A (ja
Inventor
聡 水谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Uni Charm Corp
Original Assignee
Uni Charm Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14839536&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JP3215262(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Uni Charm Corp filed Critical Uni Charm Corp
Priority to JP12258494A priority Critical patent/JP3215262B2/ja
Priority to TW084207350U priority patent/TW312132U/zh
Priority to MYPI95001428A priority patent/MY112459A/en
Priority to AU20392/95A priority patent/AU696865B2/en
Priority to DE69525387T priority patent/DE69525387T2/de
Priority to EP95303755A priority patent/EP0685214B1/en
Priority to US08/459,998 priority patent/US5613960A/en
Priority to CN95205331U priority patent/CN2237432Y/zh
Priority to KR2019950012526U priority patent/KR960000464U/ko
Priority to CA002150876A priority patent/CA2150876C/en
Publication of JPH07328060A publication Critical patent/JPH07328060A/ja
Publication of JP3215262B2 publication Critical patent/JP3215262B2/ja
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

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
    • A61F13/51—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
    • A61F13/51104—Topsheet, i.e. the permeable cover or layer facing the skin the top sheet having a three-dimensional cross-section, e.g. corrugations, embossments, recesses or projections
    • 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
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    • 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
    • A61F13/531—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 a homogeneous composition through the thickness of the pad
    • A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression
    • A—HUMAN NECESSITIES
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    • 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
    • A61F13/45—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 shape
    • A61F2013/4587—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 shape with channels or deep spot depressions on the upper surface
    • A—HUMAN NECESSITIES
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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • 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
    • A61F2013/51002—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 with special fibres
    • A61F2013/51023—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 with special fibres being polymeric fibres
    • A61F2013/5103—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 with special fibres being polymeric fibres being 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
    • A61F2013/51002—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 with special fibres
    • A61F2013/51038—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 with special fibres being a mixture of fibres
    • A61F2013/5104—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 with special fibres being a mixture of fibres with pulp and polymeric fibres
    • 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
    • A61F2013/51002—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 with special fibres
    • A61F2013/51038—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 with special fibres being a mixture of fibres
    • A61F2013/51042—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 with special fibres being a mixture of fibres with hydrophobic and hydrophilic fibres
    • 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
    • A61F2013/51066—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 hydrophilic
    • 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
    • A61F2013/51078—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 embossed
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    • A—HUMAN NECESSITIES
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    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
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    • A—HUMAN NECESSITIES
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    • 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
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
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    • A—HUMAN NECESSITIES
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    • 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
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • A61F2013/51182—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers with non-continuous bonding
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    • 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
    • A61F2013/53778—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 with grooves
    • A—HUMAN NECESSITIES
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    • A61F13/00—Bandages or dressings; Absorbent pads
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    • 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
    • A61F13/539—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 characterised by the connection of the absorbent layers with each other or with the outer layers
    • A61F2013/5395—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 characterised by the connection of the absorbent layers with each other or with the outer layers with thermoplastic agent, i.e. softened by heat

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)
  • Orthopedics, Nursing, And Contraception (AREA)

Description

【発明の詳細な説明】
【０００１】
【産業上の利用分野】この発明は、生理用ナプキンや使
い捨ておむつなどの使い捨ての体液吸収性物品に関す
る。
【０００２】
【従来の技術】従来、この種の物品では着用時における
湿潤感を少なくするために表面シートを疎水性の素材で
つくり、その内面に表面シートより疎水性に乏しく、換
言すると親水性に富む導液用の繊維層を設けて吸液性コ
アに当接し、表面シート上の体液を速やかにコアへ導く
技術が知られている。例えば、特開昭５７−１３４０号
公報は、疎水性の開孔プラスチックフィルムからなる表
面シートの下面に接着剤を塗布し、そこに表面シートよ
りも疎水性ではない繊維をフロック加工により貼着して
薄層をつくり、この薄層をコアに当接すると、表面シー
トだけの場合に比べて体液のコアへの移行が一層速やか
になると教示している。
【０００３】
【発明が解決しようとする課題】ところで、前記従来技
術による表面シート下面の薄層は、その下面に塗布した
接着剤によって表面シートと一体化するものの、層の厚
みが増すにつれて接着剤に触れ難いかまたは全く触れな
い部分が生じる。そうした部分は、表面シートに殆どま
たは全く接合していないから、着用中の体液吸収性物品
が折れ曲がったりすると、構成繊維の絡み合いが解けた
り、表面シートから剥がれたりし、その結果毛管作用に
よる体液の流路がそこで途切れてしまい、体液がコアへ
速やかに移行しなくなることがある。そのために、体液
は、表面シート上面に長く滞留して蒸れやかぶれの一因
になったり、横漏れし易くなるという問題を生じる。
【０００４】そこで、この発明は、熱溶融性素材を融着
させて表面シートとその下面の導液用繊維層とを一体化
することにより前記従来技術の問題を解決することを課
題にしている。
【０００５】
【課題を解決するための手段】この発明が前記課題を解
決するための手段は、以下のとおりである。透液性表面
シートと、不透液性裏面シートと、これら両シート間に
介在する吸液性コアとからなり、前記表面シートと吸液
性コアとの間に前記表面シートよりも親水性に富み体液
を前記表面シートからコアへと導くことが可能な導液用
繊維層を備え、前記表面シートと導液用繊維層とが含む
熱溶融性素材を前記表面シート面に沿う方向において間
欠的に熱融着させ、その融着させた部位で前記表面シー
トの上面と導液用繊維層の下面との間を厚み方向におい
て一体化してある使い捨ての体液吸収性物品の改良にあ
る。
【０００６】改良に係るこの発明の特徴は、前記融着が
前記表面シートから凹む多数の融着点からなる多数の融
着線を画成し、該融着線が前記物品の縦軸に対して斜め
に延びて格子模様状の凹条溝を形成し、前記融着点が前
記融着線の前記各交差点間に複数個存在して格子目を形
成していることにある。
【０００７】この発明は、実施態様として、前記融着線
上の前記表面シート部分が、圧縮されて前記表面シート
の他の部分よりも高密度である請求項１に記載の物品。
【０００８】
【作用】このように構成した使い捨ての体液吸収性物品
では、表面シートと導液用繊維層との各々が含む熱溶融
性素材を融着させて厚み方向において一体化してあるか
ら、当該物品着用中であっても、導液用繊維層は、その
厚みの如何にかかわらず、融着させた部位とその近傍と
において構成繊維の絡み合いが解けたり、表面シート下
面から剥がれたりすることがない。
【０００９】
【実施例】この発明に係る使い捨ての体液吸収性物品と
して生理用ナプキンを例にとり、その詳細を添付の図面
を参照して説明すると、以下のとおりである。
【００１０】図１は、生理用ナプキン１の部分破断斜視
図である。ナプキン１は、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
る吸液性コア４とからなり、表裏面シート２，３は、コ
ア４の周縁から延出する部分がシール線５により水密に
接合している。また、後記するように、表面シート２の
下面（非肌当接面）には導液性の繊維シート６が接合
し、繊維シート６は、コア４に当接した状態にある。表
面シート２の上面には、全体として格子状模様をなし、
その表面から凹んだ多数の融着点からなる多数の融着線
７が形成されている。図示から明らかなように、融着線
７は、物品の縦軸（図示せず）に対して斜めに延びてい
る。表面シート２は、熱溶融性素材を含み、かつ、好ま
しくは疎水性のシートであって、例えば熱可塑性合成繊
維、熱可塑性合成樹脂フィルムをスプリットしてえられ
るスプリットヤーンまたはそれらの混合物を５重量％以
上含む不織布や、透液性の開孔を有する熱可塑性合成樹
脂フィルムなどからなる。繊維シート６は、前記スプリ
ットヤーンを含めた熱溶融性の繊維素材を５重量％以上
含有する不織布などの繊維材料からなり、表面シート２
よりも親水性に富むものである。シート６には表面シー
ト２と同種の繊維素材を使用することができるが、その
繊維素材は表面シート２ほどに疎水性ではないように、
親水化処理を施しておくことが好ましい。
【００１１】図２は、図１のＸ−Ｘ線に沿うナプキン１
の部分端面図である。図において、融着線７では表面シ
ート２と繊維シート６とが各々の熱溶融性素材の融着に
よって表面シート２の上面と繊維シート６の下面の間で
一体化している。そのために、融着線７とその近傍とに
おいて、表面シート２や繊維シート６は、それらシート
の厚みの如何にかかわらず繊維の絡み合いが解けたり、
互いに剥がれたりすることがない。また、融着線７は、
圧縮されて高密度になっているとともに凹条溝を形成し
ており、そのため、これに沿っって体液が流動拡散して
コア４に吸収される。
【００１２】このナプキン１において、経血は、表面シ
ート２上面に排泄されると、その下面側に密着している
相対的に親水性の繊維シート６に導かれコア４へ移行す
る。繊維シート６は、それを構成する繊維の毛管作用に
より経血を移行させるもので、その毛管作用がシート６
の厚み方向において途切れることがないように、上面が
表面シート２の下面に密着し、かつ、繊維シート６の上
下面間では繊維どうしが互いに絡み合うことが必要であ
り、融着線７はそのために役立っている。
【００１３】表面シート２や繊維シート６を構成する熱
溶融性素材には、ポリエチレン、ポリプロピレン、ナイ
ロン、ポリエステル樹脂などのフィルムや繊維の他に、
それら樹脂からなる複合繊維を使用することができる。
また、その素材には、レーヨン繊維やパルプ繊維などの
親水性素材を２０重量％まで混合することができる。裏
面シート３や吸液性コア４には、慣用の材料を利用する
ことができる。表面シート２と繊維シート６とを融着す
るには、熱エンボス加工などの慣用技術を利用すること
ができる。
【００１４】
【発明の効果】この発明に係る使い捨ての体液吸収性物
品は、表面シートと吸液性コアとの間に介在する導液用
の繊維シートを、表面シートに対しそれらシートの厚み
方向において一体化したから、表面シートと繊維シート
は、その厚みの如何にかかわらず互いに剥がれることが
なく密着し、また、それらシートにおける繊維の絡み合
いが解けることもない。したがって、物品は、着用中に
折れ曲がったり、しわが入ったりしても体液は表面シー
ト上面から吸液性コアへ速やかに移行し、横漏れを生じ
ることがない。
【図面の簡単な説明】
【図１】生理用ナプキンの部分破断斜視図。
【図２】図１のＸ−Ｘ線端面図。
【符号の説明】
１ 体液吸収性物品 ２ 表面シート ３ 裏面シート ４ 吸液性コア ６ 繊維層 ７ 融着線

Claims (2)

    (57)【特許請求の範囲】
  1. 【請求項１】透液性表面シートと、不透液性裏面シート
    と、これら両シート間に介在する吸液性コアとからな
    り、前記表面シートと吸液性コアとの間に前記表面シー
    トよりも親水性に富み体液を前記表面シートからコアへ
    と導くことが可能な導液用繊維層を備え、前記表面シー
    トと導液用繊維層とが含む熱溶融性素材を前記表面シー
    ト面に沿う方向において間欠的に熱融着させ、その融着
    させた部位で前記表面シートの上面と導液用繊維層の下
    面との間を厚み方向において一体化してある使い捨ての
    体液吸収性物品において、 前記融着が前記表面シートから凹む多数の融着点からな
    る多数の融着線を画成し、該融着線が前記物品の縦軸に
    対して斜めに延びて格子模様状の凹条溝を形成し、か
    つ、前記融着点が前記融着線の前記各交差点間に複数個
    存在して格子目を形成していることを特徴とする前記物
    品。
  2. 【請求項２】前記融着線上の前記表面シート部分が、圧
    縮されて前記表面シートの他の部分よりも高密度になっ
    ている請求項１に記載の物品。
JP12258494A 1994-06-03 1994-06-03 使い捨ての体液吸収性物品 Expired - Lifetime JP3215262B2 (ja)

Priority Applications (10)

Application Number Priority Date Filing Date Title
JP12258494A JP3215262B2 (ja) 1994-06-03 1994-06-03 使い捨ての体液吸収性物品
TW084207350U TW312132U (en) 1994-06-03 1995-05-29 Disposable body fluids absorbent padding
MYPI95001428A MY112459A (en) 1994-06-03 1995-05-30 Disposable body fluids absorbent padding
AU20392/95A AU696865B2 (en) 1994-06-03 1995-05-31 Disposable body fluids absorbent padding
DE69525387T DE69525387T2 (de) 1994-06-03 1995-06-01 Wegwerfbares Kissen zum Absorbieren von Körperflüssigkeiten
EP95303755A EP0685214B1 (en) 1994-06-03 1995-06-01 Disposable body fluids absorbent padding
US08/459,998 US5613960A (en) 1994-06-03 1995-06-02 Disposable body fluids absorbent padding
CN95205331U CN2237432Y (zh) 1994-06-03 1995-06-02 一次性的体液吸收衬垫
KR2019950012526U KR960000464U (ko) 1994-06-03 1995-06-02 1회용 체액 흡수성 물품
CA002150876A CA2150876C (en) 1994-06-03 1995-06-02 Disposable body fluids absorbent padding

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12258494A JP3215262B2 (ja) 1994-06-03 1994-06-03 使い捨ての体液吸収性物品

Publications (2)

Publication Number Publication Date
JPH07328060A JPH07328060A (ja) 1995-12-19
JP3215262B2 true JP3215262B2 (ja) 2001-10-02

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EP (1) EP0685214B1 (ja)
JP (1) JP3215262B2 (ja)
KR (1) KR960000464U (ja)
CN (1) CN2237432Y (ja)
AU (1) AU696865B2 (ja)
CA (1) CA2150876C (ja)
DE (1) DE69525387T2 (ja)
MY (1) MY112459A (ja)
TW (1) TW312132U (ja)

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CA2150876C (en) 1998-08-18
EP0685214A3 (en) 1997-10-01
JPH07328060A (ja) 1995-12-19
EP0685214A2 (en) 1995-12-06
KR960000464U (ko) 1996-01-17
CA2150876A1 (en) 1995-12-04
TW312132U (en) 1997-08-01
US5613960A (en) 1997-03-25
AU2039295A (en) 1995-12-14
AU696865B2 (en) 1998-09-17
EP0685214B1 (en) 2002-02-13
DE69525387D1 (de) 2002-03-21
DE69525387T2 (de) 2002-08-14
MY112459A (en) 2001-06-30
CN2237432Y (zh) 1996-10-16

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