JPH09502104A - 低延伸性バリヤを有する延伸性吸収性製品 - Google Patents

低延伸性バリヤを有する延伸性吸収性製品

Info

Publication number
JPH09502104A
JPH09502104A JP6504712A JP50471294A JPH09502104A JP H09502104 A JPH09502104 A JP H09502104A JP 6504712 A JP6504712 A JP 6504712A JP 50471294 A JP50471294 A JP 50471294A JP H09502104 A JPH09502104 A JP H09502104A
Authority
JP
Japan
Prior art keywords
barrier
topsheet
absorbent
absorbent product
sanitary napkin
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
Application number
JP6504712A
Other languages
English (en)
Other versions
JP3447288B2 (ja
Inventor
ウォード ザ、サード オズボーン,トーマス
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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=25435272&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=JPH09502104(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Publication of JPH09502104A publication Critical patent/JPH09502104A/ja
Application granted granted Critical
Publication of JP3447288B2 publication Critical patent/JP3447288B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
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    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • AHUMAN NECESSITIES
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    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
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    • A61F13/531Absorbent 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
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    • A61F13/47Sanitary towels, incontinence pads or napkins
    • A61F13/475Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4751Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction
    • A61F13/4752Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier
    • A61F13/4753Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a transversal direction the means being an upstanding barrier the barrier being not integral with the topsheet or backsheet
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    • A61F13/475Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
    • A61F13/4758Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means the means preventing fluid flow in a longitudinal direction
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    • AHUMAN NECESSITIES
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    • AHUMAN NECESSITIES
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    • AHUMAN NECESSITIES
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Abstract

(57)【要約】 本発明は生理用ナプキン、パンティーライナおよび失禁パッドなどの吸収性製品に関するものである。さらに詳しくは、液体流に対してバリヤとして作用する低延伸性リップ(44)を備えた生理用ナプキンなどの延伸性吸収性製品に関するものである。

Description

【発明の詳細な説明】 低延伸性バリヤを有する延伸性吸収性製品 発明の分野 本発明はおむつ、生理用ナプキン、パンティーライナおよび失禁パッドなどの 吸収性製品に関するものである。さらに詳しくは、本発明は、液体流に対するバ リヤとして作用する低延伸性リップを備えた生理用ナプキンなどの延伸性吸収性 製品に関するものである。 発明の背景 生理用ナプキン、パンティーライナおよび失禁パッドなどの吸収性製品は一般 に下着の股区域に着用される装置である。これらの装置は人体から出た液体また はその他の排泄物を吸収し保持して身体と衣類の汚れを防止するように設計され ている。このような吸収性製品の材料および構造に関して多数の改良が成されて いるが、その性能、特に漏れ防止性能の改良が大規模に企てられている。 例えば使い捨て吸収性製品は、従来からその側面漏れ防止性能を改良するため 弾性部材を備えている。例えば米国特許第3,860,003号に記載の弾性使 い捨て吸収性製品においては、トップシートとバックシートとの間に側面フラッ プの中に弾性部材が配置されている。 側面フラップが弾性部材によって寄せられるので、パッドがボート状を成し、側 面フラップが製品の縁にそったバリヤを成す。 米国特許第4,738,677号に記載の他の型の液体流バリヤは、吸収性製 品の縦縁にそった第1セットのバリヤカフスと、吸収性製品の横縁にそった第2 セットのバリヤカフスとを含む。これらのバリヤカフスは吸収性製品の隅部にお いて重なり合って、収容ポケットを形成する。第1セットのバリヤカフスは弾性 部材などのスペーサ手段を備え、このスペーサ手段が両セットのバリヤカフスを 吸収性製品の液体受け面から離間する。 一般に、前記の型の使い捨て吸収性製品(生理用ナプキン、パンティーライナ および失禁パッド)の多くは延伸しない材料から成る。すなわち、吸収性製品が 着用される際に受ける力のもとにその材料(および吸収性製品そのもの)が延伸 しない。しかし最近、吸収性製品の着用コンフォートと、着用者の身体に対する 形状一致性および吸収性製品が下着の中に着用される場合にこの下着に対する形 状一致性とを改良するため延伸性の吸収性製品を提供する方向に努力が成されて いる。PCT公表No.93/01785およびその対応の米国特願第07/9 15,133号(本発明がそれらの一部継続特願を成す)が延伸性吸収性製品を 開示している。しかしこのような吸収性製品の特徴の改良のための努力が継続 されている。 特に、液体流に対するバリヤを備えた生理用ナプキンなどの延伸性吸収性製品 が必要とされている。 従って本発明の目的は、液体流に対するバリヤを備えた生理用ナプキンなどの 延伸性吸収性製品を提供するにある。 本発明の他の目的は、生理用ナプキンより低延伸性であって生理用ナプキンが 延伸された時に比較的平坦姿勢からさらに直立姿勢まで変化するバリヤを備えた 生理用ナプキンなどの延伸性吸収性製品を提供するにある。 以下、本発明を図面に示す実施例について詳細に説明するが本発明はこれに限 定されるものではない。 発明の概要 本発明は生理用ナプキンなどの吸収性製品を提供するにある。本発明の生理用 ナプキンは少なくとも一部の延伸性部品を有する。この生理用ナプキンは液体流 に対する低延伸性バリヤを備える。 この生理用ナプキンは第1末端区域と、第2末端区域と、前記第1および第2 末端区域の間に配置された中央区域と、生理用ナプキンの外周を成す一対の縦縁 および一対の横縁とを有する。好ましい実施態様の生理用ナプキンは、前記第1 末端区域および前記第2末端区域より狭い中央区域を有する(例えば前記生理用 ナプキンは砂時計型または犬骨型とする事ができる)。この生理用ナ プキンは好ましくは延伸性透液性トップシートと、前記トップシートに接合され た延伸性不透液性バックシートと、前記トップシートと前記バックシートとの間 に配置された延伸性吸収性コアと、液体流に対するバリヤとして作用する低延伸 性の不透液性リップとを含む。この実施態様において、前記リップは生理用ナプ キンの縦縁にそって重なり合う狭いフィルムストリップを含む。これらのストリ ップはそれぞれ内側縁と、外側縁と、一対の末端とを有する。外側縁は内側縁よ りも、生理用ナプキンの長手方向中心線から遠くに配置される。前記ストリップ の外側縁と末端は生理用ナプキンの外周にそってトップシートに固着される。ス トリップの内側縁は両端間においてトップシートに固着されない。 生理用ナプキンが引張られない時、前記ストリップはトップシートに対して平 坦に横たわる。生理用ナプキンが引張られた時、ストリップの非固着部分が平坦 姿勢からさらに直立姿勢まで変化する。これらのストリップが生理用ナプキンの 縦縁にそった内向きリップ(またはガスケット)を成し、これらのリップがトッ プシートを横断する液体流に対するバリヤを成す。このようなストリップの立ち 上がりはバリヤストリップの固着縁と非固着縁との延伸性の差による。生理用ナ プキンが砂時計型または犬骨型を有し、その中央区域が縁区域より狭い場合、こ のような効果が特に顕著である。特に好ましい実施態 様においては、生理用ナプキンの横縁にそって同様のストリップが固着されて生 理用ナプキンの全外周にそったバリヤを形成する事ができる。 図面の簡単な説明 以下、本発明を図面に示す実施例について詳細に説明するが本発明はこれに限 定されるものではない。 第1図は本発明の生理用ナプキンの好ましい実施態様の平面図であって、下部 構造を示すためトップシートの一部を除去された図である。 第2図は第1図の2−2線にそった横断面図であって、説明のためにバリヤサ イズを誇張して示す図、 第3図は第1図の生理用ナプキンの底面図、 第4図は第1図の生理用ナプキンを延伸後の斜視図であって、簡単のため一方 のバリヤのみを示す図、 第5図は第4図の生理用ナプキンの5−5線にそった断面図であって、簡略化 された層構造と両方のバリヤとを示す図、 第6図は生理用ナプキンの延伸性を示す平面図であって、簡単のためバリヤを 除去した図、 第7図は生理用ナプキンに加えられる引張力の大きさとこれらの力に対する生 理用ナプキンの延伸量との好ましい関係を示す表である。 発明の詳細な説明 第1図乃至第3図は本発明の使い捨て吸収性製品の好 ましい実施態様である。本発明は液体流に対して低延伸性バリヤを備えたおむつ 、生理用ナプキン、パンティーライナ、および失禁パッドなどの延伸性吸収性製 品に関するものである。 図示の好ましい実施態様において、吸収性製品は20で示す生理用ナプキンで ある。この場合、用語「生理用ナプキン」とは、婦人によって外陰部に近接して 使用され、身体から排出される各種排泄物(例えば、血液、月経および尿)を収 容する製品を言う。しかし本発明はパンティーライナなどの婦人用生理パッドま たは月経パッドあるいは失禁パッドなどのその他の吸収性製品などにも適用され る。 生理用ナプキン20は2つの面、すなわち透液性の身体接触面または「身体面 」20Aと不透液性衣類面20Bとを有する。第1図において生理用ナプキン2 0はその身体面20Aから見られたように示されている。身体面20Aは着用者 の身体に隣接して着用される。生理用ナプキン20の衣類面20B(第2図)は 反対側にあり、この生理用ナプキンを着用した時に着用者の下着に隣接して配置 される。 生理用ナプキン20は2つの中心線、すなわち長手方向中心線Lと、交点Iに おいてこれに交差する横方向中心線Tとを有する。用語「長手方向」とは、生理 用ナプキン20を着用した時に直立着用者の身体を右半分と左 半分とに二分する垂直面に対して全体として整列した(例えばこの垂直面に対し てほぼ平行な)生理用ナプキン20の面の線、軸線または方向を言う。用語「横 断方向」または「横方向」は相互に互換用語であって、生理用ナプキン20の面 において前記長手方向方向に対してほぼ垂直な線、軸線または方向を言う。 第1図に示す生理用ナプキンは2つの相互に離間された長手方向縁(または「 縦縁」)22と2つの相互に離間された横方向縁または末端縁(または「横縁」 )24とを有し、これらの縁が一緒になって生理用ナプキン20の外周26を形 成する。また生理用ナプキン(またはその本体部分)は2つの末端区域、すなわ ち第1末端区域28と第2末端区域30とを有する。これらの末端区域28、3 0の間に中心区域32が配置される。末端区域28と30は、中心区域32の縁 から、生理用ナプキンの本体部分の長さの約1/8乃至約1/3の距離外側に延 在する。これらの中心区域32および両端区域28、30の詳細な説明は米国特 許第4,690,680号に記載されている。 生理用ナプキン20は、比較的厚く、比較的薄くまたは非常に薄い任意の厚さ を有する事ができる。第1図乃至第3図に図示の生理用ナプキン20の実施態様 は、比較的薄い生理用ナプキン、好ましくは「超薄」生理用ナプキンの一例を示 すものとする。しかし、これらの図を 見た場合、図示の多数の材料層の故に生理用ナプキン20がその実際よりもはる かに厚く見える事を注意しなければならない。「超薄」生理用ナプキン20は米 国特許第4,950,264号および米国特許第5,009,653号に記載の ように、約3mm以下のキャリパーを有する。また図示の薄い生理用ナプキン2 0は着用者にとって快適であるように好ましくは比較的可撓性とする。 第2図は本発明の生理用ナプキン20のそれぞれの部品を示す。第2図の生理 用ナプキン20は全体として少なくとも4主要部品を含む。これらの部品は、透 液性トップシート38、不透液性バックシート40、これらのトップシートとバ ックシートとの間に配置された吸収性コア42、および少なくとも1つのバリヤ 、好ましくは生理用ナプキンの縦縁22に沿って配置された液体流に対する一対 のバリヤ44を含む。また第1図乃至第3図に図示の好ましい実施態様は、延伸 作用に対応して曲がり、好ましくは着用者の身体との接触を改良するために立ち 上がるように中心区域32に配置された低延伸性部品216を含む。これらのバ リヤを固着する生理用ナプキンはPCT出願WO第93/01785号および第 93/01786号に記載のいずれかの生理用ナプキンとする事ができ、これら の生理用ナプキンは1つまたは複数の延伸性部品から成り、好ましくはすべて延 伸性部品から成り(低延伸性部品を除く)、全体的延伸性を有 する。 生理用ナプキン20の延伸性を第6図において簡略に示す。用語「延伸性」と は、x−y面においてその少なくとも1つのサイズの増大する事のできる製品を 言う。x−y面は生理用ナプキン20の面に対して大体に平行な面である。また 用語「延伸性」とは緊張性製品および弾性的に緊張性の製品(下記に定義)を含 む。第6図に図示の生理用ナプキン20は好ましくはその長さの幅において延伸 性である。しかし他の実施態様の生理用ナプキン20はこれらの方向のいずれか 一方において延伸性とする事ができる。好ましくは生理用ナプキン20は少なく とも長手方向において延伸性である。 好ましい実施態様において生理用ナプキン20は延伸性であるほかに緊張性で もある。用語「緊張性」とは、製品に対して引張り力が加えられた時に延伸し、 引張りに対するある程度の抵抗力を示す製品を言う。さらに好ましくは生理用ナ プキン20は弾性的に緊張性とする事ができる。用語「弾性的緊張性」または「 弾性的延伸性」は同義語である。これらの用語は、引張り力が除去された時に生 理用ナプキンがその非延伸サイズまたは非緊張サイズ(または「初」サイズ)ま で戻ろうとする事を意味する。しかし生理用ナプキン20は必ずしも非緊張サイ ズまで戻る必要はない。第6図に図示のように、生理用ナプキンは、その非緊張 サイズと延伸サイズ(または 緊張サイズ)Ls およびWs との中間の弛緩サイズ(LR およびWR )に戻る事 ができる。生理用ナプキンを弾性的に緊張性とすれば、生理用ナプキンを緊張さ せる力が除去された時にこの生理用ナプキンが長手方向に内側に寄る望ましくな い傾向(すなわち長手方向バンチングの傾向)を低下させる事ができる。これは 特に着用者のパンティーが収縮する場合である。 生理用ナプキン20は、PCT特願WO第93/01785および第93/0 1786号に記載の量だけ延伸性である。これらの特願を要約すれば、生理用ナ プキンは、この生理用ナプキンを一対のパンティーの中に着用する際に生じる力 のもとに、約5%乃至約50%以下、さらに好ましくは約10%から約40%ま で、最も好ましくは約25%から約40%まで延伸する事ができる。好ましくは 生理用ナプキンは約500−100グラム乃至約1,000−1,500グラム の力のもとに、さらに好ましくは約250グラム乃至約800グラムの範囲内の 力のもとに、このような延伸を生じる事ができる。他の好ましい延伸量は表1( 第7図)に記載されている。この表に記載のすべての限度および範囲は、この限 度および範囲内のすべての狭い範囲、限度および量を含むものとする。また本発 明は前記特許に記載の生理用ナプキンのその他のいずれのフィーチャを備える事 ができる。例えば、生理用ナプキンに加えられる力量の実質的増大 なしでは一定限度以上の伸びを禁止する「力の壁」を示す構造を含む事ができる 。 本発明の生理用ナプキン20の各部品について第1図乃至第3図を参照してさ らに詳細に説明する。 トップシート38は第1透液性部品を成す。生理用ナプキン20を使用する際 に、トップシート38はユーザの皮膚に対して隣接配置される。トップシート3 8はできるだけ可撓性で、柔らかな感触を有し、ユーザの皮膚に対して非刺激性 である事が好ましい。さらにトップシート38はすぐれた液体貫流性と低い再湿 潤傾向とを有し、体液を急速に貫流させて吸収性コア42の方に流すが、排泄物 をこのトップシート38を通して着用者の皮膚まで逆流させてはならない。 トップシート38は2側面、すなわち身体対向面38Aと、衣類対向側面(ま たは吸収性コア対向側面)38Bとを有する。トップシート38の身体対向面3 8Aは全体として生理用ナプキンの身体接触面(「身体面」)20Aの少なくと も一部を成す。トップシート38は両側の縦縁38Cと両端の横縁38Dとを有 する。 (生理用ナプキンの他の部品についても同様の番号付けシステムを使用する。 すなわち、着用者の身体に向いた部品側面は、その部品番号に文字[A」を付け て示す事ができる。着用者の衣類に向いた側面はその部品の番号に文字「B」を 付けて示す。縦縁と横縁はそれぞれそ の部品番号に文字「C」または「D」を付けて示す。) 適当なトップシート38は各種材料から製造する事ができるが、その非限定的 例は織布および不織布材料、アパチュアド成形熱可塑性フィルム、アパチュアド ・プラスチックフィルム、ハイドロ成形フィルム、多孔性フォーム、網状フォー ム、網状熱可塑性フィルム、および熱可塑性スクリムである。適当な織布および 不織布材料は天然繊維(例えば、木材繊維または棉繊維)、合成または変成天然 繊維(例えば、ポリエステル、ポリプロピレン繊維、およびポリエチレンまたは ポリビニルアルコール、デンプンベース樹脂、ポリウレタン、セルローズエステ ル、ナイロンなどのポリマー繊維、およびレーヨン繊維)から、あるいは天然繊 維と合成繊維との組合わせから製造される。トップシート38が不織布ウエブを 含む場合、このウエブはスパンボンディッドウエブ、カーディッドウエブ、ウエ ットレイドウエブ、メルトブローンウエブ、ハイドロエンタングルドウエブ、前 記の組合わせまたは類似物とする事ができる。 孔付きフィルムは透液性であって、適当に孔を備えていれば、液体を逆流させ て着用者の皮膚を再湿潤させる傾向が少ないので一般にトップシートとして好適 である。適当な孔付きフィルムは、米国特許第3,929,135号、米国特許 第4,324,426号、米国特許第4,342,314号、米国特許第4,4 63,045号、 および米国特許第5,006,394号に記載されている。 このトップシートが引張られた時に開くシワを形成するように、プリーティン グ、波形、またはリングローリングなどの機械的処理をトップシート38に対し て加える事によって延伸性と成される。このような処理は前記の各トップシート 材料の多くについて実施する事ができる。本発明の好ましい実施態様において、 トップシートは米国特許第4,463,045号によって製造され、一定度の長 手方向延伸性を与えるためにリングローリング処理される。このようなトップシ ートは米国特願第07/936,195号に記載されている。 リングローリングまたは「予波形処理」の適当な方法は米国特許第4,107 ,364号、米国特許第4,834,741号、同一譲渡米国特願第07/66 2,536号、米国特願第07/662,537号、および米国特許第07/6 62,543号に記載されている。 トップシートが長手方向に延伸性であるためには、リングローリングされたト ップシートの波形の折り線は横方向に走らなければならない。他の実施態様にお いては、折り線は長手方向方向に、または両方向に、また/あるいは他の方向に 走る事ができよう。トップシート38は折り線に対して直角方向に延伸性となる 。 好ましい実施態様においてトップシート38は、液体 がこのトップシートを急速に透過するように親水性である。これにより、排泄物 が吸収性コアによって吸収されるのでなくトップシートにそって流下する傾向を 低下させる事ができる。トップシートはその表面を界面活性剤によって処理する 事によって親水性に成される。界面活性剤を施用する適当な方法米国特許第4, 950,254号および米国特許第5,009,635号に記載されている。 さらに好ましい実施態様においてトップシート38の内側面38Bは下の吸収 性層と接触関係に固着される。このような接触関係の結果、トップシートが吸収 性部品と接触しない場合よりも液体が急速にトップシート38を透過する。トッ プシート38は、これを下層に対して接合する事によって接触関係に保持される 。しかしトップシート38を下層の面に対して接着する事は必ずしも必要でない 。トップシートと下層部品との間に接着剤を施用する事により、または下層の繊 維をトップシートとからませる事により、または複数の別々の融解接合によって トップシートを下方の吸収性層に融着する事により、または業界公知の任意手段 によってトップシート38を下層の吸収性部品と接触状態に保持する事ができる 。 吸収性コア42はトップシート38とバックシート40との間に配置される。 吸収性コア42は月経その他の体液を吸収する手段を成す。吸収性コア42は、 液体 の予想吸収量よりはるかに大きな吸収容量を有する必要はない。吸収性コア42 は一般に圧縮性で、形状合致性で、使用者の皮膚に対して非刺激性である。 吸収性コア42はその目的に適した業界公知の任意材料によって製造する事が できる。その非制限的例は、エアフェルトと呼ばれる粉砕木材パルプなどの天然 材料、クレープド・セルローズ・ワッディング、ハイドロゲル形成ポリマーゲル 化剤、変成橋かけ結合セルローズ繊維(米国特許第5,217,445号に記載 の繊維)、毛管チャンネル繊維(すなわち米国特許第5,200,248号に記 載のような繊維間毛管チャンネルを有する繊維)、吸収性フォーム、吸収性スポ ンジ、合成ステープルファイバ、ポリマー繊維、ピートモスまたは同等の材料ま たはその組合せを含む。 前に列挙したポリマーゲル化剤は「吸収性ゲル化剤」または「超吸収性材料」 とも呼ばれる。このようにして、吸収性コア42の中に排出された液体はポリマ ーゲル化剤によって取得し保持され、このようにして吸収容量が高くまた/ある いは液体保持性能の優れた本発明の製品が得られる。吸収性コア42の中に使用 されるポリマーゲル化剤は一般に、実質的に不水溶性の、軽度に橋かけ結合され た、部分的中和されたハイドロゲル形成ポリマー材料の粒子41を含む。またポ リマーゲル化剤はペレット状、フレーク状または繊維状など、任意形状とする 事ができる。 第2図に図示の好ましい実施態様において、吸収性コア42はラミネートであ る。このラミネートは、2層のエアレイドティシュ、すなわち第1ティシュ層4 3および第2ティシュ層47(または「上方」および「下方」ティシュ層)の間 に粒子41状の超吸収性ポリマーゲル化剤層を介在させて成る。前記第1および 第2ティシュ層43、47は超吸収性ポリマーゲル化剤を収容し、吸収性コア4 2全体にわたって吸収された排泄物を横方向に滲透させ、一定の吸収度を与える 。これらのティシュ層43、47は、超吸収性ポリマーゲル化剤粒子41を挟持 して折り畳まれた単一のティシュウエブとする事ができ、または同一ティシュ( または相異なるティシュ)の2つの別々のシートとする事ができる。 適当なラミネートはアイオワ、マスカチン、グレイン・プロセッシング・コー ポレーションから入手される超吸収性ラミネートWATER−LOCK L−5 35(登録商標)である。このような超吸収性ラミネートは米国特許第4,46 7,012号、米国特許第4,260,443号および米国特許第4,578, 068号に記載され、これらの特許を引例とする。ラミネートを成す吸収性コア 42はこれを切断しまたはスリットを備える事によって延伸性に成される。第1 図に図示の吸収性コア42は、長手方向延伸性のために好ましくはその全 表面においてスリットを備えた前記の型のラミネートである。 他の実施態様において、ラミネート吸収性コア42は、20%乃至200%引 張りを有するティシュ(すなわち非延伸サイズからその1.2倍乃至3倍の延伸 サイズまで延伸されうるティシュ)から製造する事によって延伸性とする事がで きる。このようなティシュシートは種々の工程によって製造する事ができる。1 つの実施態様において、ティシュシートは通常の方法でクレープ処理されたティ シュである。例えばこのティシュは、ヤンキードライヤーからクレーピング処理 された直後にクリープを引き延ばす前のBOUNTYティシュとする事ができる 。このようなティシュを製造する方法は米国特許第5,098,522号に記載 されている。 生理用ナプキンから液体の浸出および排除を防止するためあるいは生理用ナプ キンを延伸させる際にその液体含有超吸収性ポリマーゲル化剤の脱出を防止する ため、この生理用ナプキンの縦縁および横縁22、24が密封される事が好まし い。あるいは、生理用ナプキンの縁全体を密封するのでなく、吸収性コア42の 縁42Cと42Dを密封する事ができる。例えば吸収性コア42の縁をティシュ 層によって包囲しまたは被覆する事ができる。他の実施態様において、液体また は液体含有超吸収性ポリマーゲル化剤粒子41が吸収性コア42から浸出 し脱出する事を防止するため、ティシュの縁を折り畳みまたはその他処理する事 ができる。生理用ナプキン20の外周全体の永久的シールは生理用ナプキンの延 伸に際して破れないものでなければならない(すなわち生理用ナプキンの使用期 間中シールが保持されなければならない)。 バックシート40は、パンティー、パジャマおよび下着類などの生理用ナプキ ン20と接触する製品を吸収性コア42の中の排泄物が濡らさないようにする。 バックシート40は(液体、例えば月経および/または尿)に対して不透液性で ある。バックシート40は好ましくは薄い、可撓性の不透液性材料から成る。 バックシート40は織布または不織布材料、ポリエチレンまたはポリプロピレ ンの熱可塑性フィルムなどのポリマーフィルム、またはフィルムで被覆された不 織布材料などの複合材料を含む。好ましいバックシートは約0.012mm(0 .5ミル)乃至約0.051mm(2.0ミル)の厚さを有するポリエチレンフ ィルムである。ポリエチレンフィルムの例はオハイオ、シンシナティーのクロペ イ・コーポレーションによって商標P18−0401で市販され、またインディ アナ、テル・ホートのトレデガー・フィルム・プロダクツから商標XP−393 85で市販されている。 バックシート40は好ましくは布様外観を示すために エンボス処理されまたはマテ仕上げされる。さらにバックシート40は、排泄物 の通過を防止しながら吸収性コア42から蒸気を脱出させる事ができる(すなわ ちバックシート40は呼吸性とする事ができる)。例えばパンティーライナーな どの製品については下水に流す事のできるまたは生物分解性のバックシートを使 用する事もできる。 またバックシートはプリーツ形成、波形処理またはリングローリングなどの機 械的処理によって延伸性とする事ができる。しかし好ましくはバックシート40 は米国特許第4,476,180号に記載のような弾性フィルムで形成する事に より延伸性に成される。このようなフィルムはイリノイス、レイク・チューリッ ヒのエクソン・ケミカル・カンパニーからExxon film EXX−50 0(以前はEXX−7)として市販されている。 他の特に好ましい延伸性バックシートは、ウイスコンシン、ワウワトサのフィ ンドレー・アドヘッシブズ・カンパニーで製造されている延伸性接着剤フィルム Formula#198−338である。フィンドレー接着性フィルムは200 −300%延伸する事のできる不透液性フィルムである。このフィルムは弾性延 伸性であるので特に好ましい。バックシート40は2層または2層以上を含む延 伸性ラミネート構造とする事ができる。例え ば、バックシートは両側面から延伸性不織布ウエブまたは延伸性フィルムで覆わ れたフィンドレー接着性フィルム層から成るラミネートとする事ができる。他の 適当なバックシート材料は米国特許第5,007,906号に記載の不織布/フ ィルムラミネートである。 生理用ナプキン20は、トップシート38と吸収性コア42との間に配置され たオプションとしての低延伸性部品216を備える。この低延伸性部品216は 生理用ナプキン20の中央区域32の中に配置される。この低延伸性部品216 は生理用ナプキンの他の部分の引張りに対応して曲がる(好ましくは立ち上がっ て身体との接触を改良する)。 低延伸性部品216は、生理用ナプキン20の本体部分21の他の部分の少な くとも一部より低延伸性の任意の型の部品とする事ができる。(前記の生理用ナ プキンの他の部分とは低延伸性バリヤ以外の生理用ナプキン部分を言う。バリヤ は好ましくはこの低延伸性部品とは別個に機能する。)低延伸性部品216は比 較的に非延伸性とする。他の実施態様においてこの低延伸性部品は一定量の延伸 性を有する事ができる。 低延伸性部品216は身体対向面216A、衣類対向側面216B、一対の縦 縁216Cおよび一対横縁216Dを有する。延伸性部品216の構造は、この 部品の縦縁216Cに対して横方向内向き圧縮力が加えら れた時に、弓状になりまたは捻れる程度に剛性である。この低延伸性部品216 は好ましくは、生理用ナプキンの使用中に加えられる横方向応力に対応してz方 向に立ち上がらずに内側に圧潰するものであってはならない(すなわちスポンジ のように「潰れ」てはならない)。低延伸性部品216は材料層の形とし、また はその他の適当な形状とする事ができる。低延伸性部品216は好ましくは、乾 燥した時にもまた体液などで湿った時にも十分な剛性を保持する事が好ましい。 低延伸性部品216は適当な材料で形成する事ができる。この材料は柔らかで、 可撓性で、吸収性、しかも弓状になりまたは捻れる程度に剛性でなければならな い。低延伸性部品216は種々の基本的吸収性コア材料で製造する事ができる。 しかしこれらのコア材料は、延伸性を生じるための処理(例えばリングローリン グ、プリーツ形成、波形処理またはスリット形成)を受けてはならない。第1図 −第3図は、低延伸性部品216としてスリット処理されていない超吸収性ラミ ネートを使用する実施態様を示す。この低延伸性部品216はその中央に長手方 向折り曲げ線を形成するように折り曲げる事によって反らされるように設計され る。 低延伸性部品216は吸収性コア42の上に単に配置して生理用ナプキン20 の周囲の部品に対してぴったりと嵌合するように配置保持する事ができる。第1 図−第 3図の実施態様において、この部品216はその各縦縁の単一点230において 固着される。 生理用ナプキン20を引き延ばす時、その中心区域32が狭くなる。これによ り、低延伸性部品216が弓状断面になりまたは湾曲して、生理用ナプキンの長 手方向中心線Lにそってリッジ218を形成する(第4図および第5図)。 第1図−第5図に示すバリヤ44はトップシート38の上に重なった狭いスト リップを含む。バリヤ44は生理用ナプキンの少なくとも縦縁22にそって配置 される。このストリップ44は外向き面44A、内向き面44B、一対の縁、す なわち少なくとも内側縁44C’と外側縁44C”、および一対の末端44Dを 有する。外側縁44C”は、内側縁44C’よりも、生理用ナプキンの長手方向 中心線と横方向中心線の交点から遠くに配置される。 バリヤの近位縁44C’は、ストリップの外側縁44C”と末端44Dを生理 用ナプキンの縁26にそってトップシート38に固着する事によって形成される 。ストリップの内側縁44C’は両端44Dの間においてトップシートに対して 固着されず、バリヤの自由縁を成す。第1図および第2図はバリヤ44をトップ シート38に対して接合する好ましい方法を示す。この実施態様のバリヤ44の 外側縁44C”は生理用ナプキンの縁22お よび24と同一レベルにある。内側縁44C’は吸収性コアの少し上まで内側に 延在する。 バリヤ44は、好ましくは不透液性のバリヤシール92によってトップシート 38に接合される。バリヤシール92は任意適当な型の取り付け手段とする事が できる。好ましくはバリヤシール92は接着剤またはヒートシールとし、トップ シートとバックシートを固着するために使用された外周シーム90(下記に説明 )とほぼ同一の形状に施用される。 第1図と第2図に示すバリヤ44は好ましい構造の1つにすぎない。バリヤの 種々のサイズおよび形状、およびバリヤを生理用ナプキンに接合する種々の方法 がある。例えばバリヤはおむつなどの他の型の吸収性製品においてはこれより大 型とする事ができる。またバリヤは吸収性製品の縁と同一形状である必要はなく 、また吸収性製品の縁と同一レベルに接合する必要もない。例えばバリヤは吸収 性製品の縁から内側に離れた近位縁において接合する事ができる。またバリヤの 両端の間の若干点においてバリヤの遠位縁を生理用ナプキンに対して接合する事 ができるがこれは好ましい実施態様ではない。他の実施態様も可能である。 バリヤ44は任意適当な不透液性材料または液体抵抗性材料から成る事ができ る。またバリヤは、加えられた同一の力のもとに、その取り付け部品(例えばト ップシ ート38)よりも低延伸性である。またバリヤは比較的非延伸性する事ができる 。あるいはバリヤは延伸性とする事ができるが、その取り付けられた部品よりも 低延伸性とする。 第1図−第3図に図示の好ましい実施態様において、バリヤは米国特許第4, 476,180号に記載のフィルムのような延伸性の、好ましくは弾性延伸性の フィルムとする事ができる。このようなフィルムはイリノイス、レイク・チュー リッヒのエクソン・ケミカル・カンパニーからExxon film EXX− 500(以前はEXX−7)として市販されている弾性フィルムである。特に好 ましい実施態様において、バリヤ44は、着用者の快適性のために柔らかな身体 対向面を備えたこのようなフィルム144のストリップとする事ができる。第2 図の実施態様においては、フィルムストリップ144の外側面に対して柔らかな 、好ましくは非常に疎水性の不織布材料146が積層されている。 特に好ましい実施態様において、同様のストリップを生理用ナプキンの横縁に そって固着して生理用ナプキンの外周全体に沿ったバリヤを形成する事ができる 。生理用ナプキンの縦縁と横縁にそったストリップを相互に固着して外周全体に そった連続バリヤを備える事ができ、あるいはこれらのストリップを相互に固着 しない事もできる。 バリヤは下記のように作用する。生理用ナプキンが引張られていなければ、ス トリップ44はトップシート38に対して平坦に横たわる。生理用ナプキンが引 張られていれば、ストリップ44の固着されていない部分が平坦位置からさらに 直立した位置に移行し、生理用ナプキンの縦縁にそって相互に内側に対向したリ ップ(またはガスケット)を形成し、これらのリップがトップシートにそった液 体流に対するバリヤを成す。リップの立ち上がりは、バリヤの固着縁部分と非固 着縁部分の長さの相違による。好ましくは第5図に図示のように、バリヤと生理 用ナプキンの縁が共に巻き上がってリップを形成し、生理用ナプキンの縁にそっ てU形バリヤ構造を成している。 前記の生理用ナプキンの各部品(トップシート、バックシートおよび吸収性コ アなど)は生理用ナプキンを延伸させるような任意適当な方法で相互に固着され る。第1図の好ましい実施態様において、生理用ナプキンの各部品のサイズは、 トップシート38とバックシート40の縁が吸収性コア42の縁を越えて外側に 延在するように決定されている。吸収性コア42の縁を越えて外側に延在するト ップシート38の縁部分がバックシート40の対応部分に対して固着されている 。第1図に図示のように、トップシート38は好ましくは不透液性シーム90に そってバックシート40に対して固着される。シ ーム90はこの目的のために一般に使用される業界公知の任意手段によって形成 され、好ましくはトップシート38をバックシートの接着剤に接着する事によっ て形成される。 このような構造は、生理用ナプキンの隣接部品の対向面を相互に固着する事な く各部品を相互に十分に固着できる事が発見された。しかし、前記のように、一 部の部品の面を相互に固着する事が望ましい場合もしばしばである。 前記の方法は簡単構造の好ましい実施態様である(各部品の他の結合手段を使 用する事もできる)。例えば本発明はいわゆる「チューブ状」製品を含む。これ らの製品において、透液性カバー材料(トップシートなど)が吸収性コアおよび バックシートの回りに完全に巻き付けられ、次に各部品を相互に固着する。他の 実施態様においては、トップシートが吸収性コアの回りに巻き付けられ、この巻 き込まれた吸収性コアがバックシート上に配置されて固着される。 第3図は、生理用ナプキン20をパンティーの股部分に対して固着するために 生理用ナプキンの衣類面20Bが感圧接着剤50などのファスナーを備えた構造 を示す。接着剤はこれ以外の適当形状に取付ける事ができる。接着剤ファスナー 50は延伸性、または非延伸性、またはそのパタンの一部を延伸性とし他の部分 を非延伸性とす る事ができる。 接着剤が延伸性であれば、この接着剤は表1に表示されたように生理用ナプキ ンとほぼ同一量延伸する事が好ましい。適当な延伸性接着剤は延伸性接着剤その ものと、延伸性接着剤/バリヤフィルム組立体とを含む。業界公知の任意の延伸 性接着剤を使用する事ができる。適当な延伸性接着剤/バリヤフィルム組立体は 、延伸性バリヤフィルム上に使用された非延伸性接着剤、フィンドレー接着剤1 98−338などの弾性延伸性接着剤、または低モジュラス弾性フィルム上の噴 霧接着剤、例えば3M接着剤1442を含むがこれには限定されない。 適当な非延伸性接着剤は、センチュリー・アドヘッシブズから製品ナンバーA 305−4として市販され、またはオハイオ、コビングトンの3シグマ・ディビ ジョン、アンカー・コンティネンタル・インコーポレイテッドから市販され、ま たH.P.フラー・カンパニーからFuller H−2238ZPとして市販 されているような0.6ミルパス接着剤である。 接着剤ファスナー50は好ましくはリリースライナ(またはカバーストリップ )52によって被覆される。任意の市販のリリースライナを使用する事ができる 。好ましい実施態様において、リリースライナの代わりに米国特許第4,556 ,146号に記載のように、ラッパーを使用し、このラッパーがそれぞれの包装 された生理 用ナプキンを成すと共に、使用後の生理用ナプキンを処分する容器を成すように する事ができる。 説明を簡単にするため最初にファスナーを接着剤として説明した。しかしファ スナーの型は接着剤には限定されない。好ましいファスナーは、感圧接着剤など の接着性ファスナー手段、機械的ファスナーおよび接着剤ファスナーと機械的フ ァスナーの組合せを含むがこれには限定されない。また生理用ナプキンはオプシ ョンとしてポリエチレン末端ガード140を備える事もできる。 以下、本発明を図面に示す実施例について説明するが本発明はこれらの実施例 に限定されるものではない。 実施例 生理用ナプキンの各部品を入手する。トップシート38は米国特許第4,46 3,045号によって製造されリングローリングされて延伸性を与える。超吸収 性材料収容層は、ヤンキードライヤーから出たままのクレープを除去されないB OUNTYティシュの単一プライの形で得られる。コアは長手方向延伸性を生じ るために全長にスリットを備えた吸収性ゲル化剤(AGM)ラミネートである。 バックシートはフィンドレー198−338接着剤と不織布ファブリックとのラ ミネートである。不織布ファブリックはマサチューセッツ、ウォルポール、ベラ テックから入手されたセラニーズ不織布ファブリックt−138である。この不 織布材料をフィンド レー接着剤フィルムにラミネートし、このラミネートが長手方向に(不織布中の 繊維の配向に対して直角方向に)延伸するようにする。不織布材料は仕上がり製 品の外側に配置される。 製品の組立は次のように実施される。リングローリングされたトップシートを サイズ切断する。フィンドレーH2031接着剤をトップシートに対して0.0 05g/in2 で螺旋パタンに施用する事によって、クレプートBOUNTYテ ィシュをトップシートに対して接合する。吸収性コアの衣類側面の末端区域をク レープトBOUNTYティシュの複数片によって覆う。この吸収性コアをバック シートの上に配置する。吸収性コアの身体側面の中央区域の上に、スリットされ ないAGMラミネートの2 1/2”×2 5/8片を配置する。AGMラミネ ート片をその長手方向縁の中央において、バックシートの縁に対して接着剤で接 着する。トップシートとクレープトティシュラミネートをコアの上に配置する。 これらの部品を相互に固着し、縁部分を平滑にする。縁部分を巻いて密封する。 最終形状にトリミングする。パッドの縦縁にそってEX−500片をヒートシー ルによって接着し、パッドの最も狭い中心区域において遠位縁が吸収性コアの中 心に向かってトップシートの上に2mm延在し、パッドの最も広い区域に5mm 延在するように接着する。フラーHL2238パンティーファスナー接 着剤(PFA)を製品の衣類側面に対して、第3図に図示のパタンの螺旋形に被 着する。トップシートに0.01gのペンシルバニア、ウイリアムスポート、ロ ンザ・インコーポレイテッドから入手されたPegosperse200MLを 噴霧する。 好ましい生理用ナプキンについて説明したのであるが、その他多数の実施態様 がそれぞれの文献に記載されている。生理用ナプキンは前記の部品またはフィー チャの一部または全部を備える事ができる。例えば生理用ナプキン20は一対の フラップを備え、各フラップが生理用ナプキンの本体部分の縦縁に隣接しこの縦 縁から横方向外側に延在する事ができる。(本体部分はフラップを備えない生理 用ナプキンの部分である。)本発明の生理用ナプキン20と共に使用するに適し た多数のフラップが公知である。これらのフラップは米国特許第4,285,3 43号、米国特許第4,589,876号、米国特許第4,608,047号、 米国特許第4,687,478号および再審査特許BI第4,589,876号 に記載されている。特に好ましい型のフラップが下記の米国特願に記載されてい る。すなわち米国特願第07/769,891号(PCT出願WO第93/06 805号)および米国特願第07/906,593号、および米国特願第07/ 906,629号に記載されている。 さらに、PCT公表No.WO 93/01785お よびWO 93/01786およびこれらの文献に記載されたすべてのテスト法 を引例として含める事を注意しなければならない。この場合1インチ(2.5c m)ストリップの長手方向延伸性を測定する手順を変更してサンプルの全長が吸 収性製品の吸収性部品の少なくとも1つを含むように、ストリップを長手方向中 心線にそって切断するのみならず長手方向中心線に対して平行に切断する事がで きる。しかしサンプルが吸収性製品の側面弾性フィーチャを含む程度に縦縁に近 接してサンプルを切断してはならない。このように測定されたサンプルが請求の 範囲の範囲内にあるならば、その吸収性製品は本発明の主旨の範囲内にある。 用語「パンティー ライナー」または「パンティーライナー」は、月経時に婦 人によって着用される生理用ナプキンよりカサの低い吸収性製品を言う。パンテ ィーライナーの形の吸収性製品の例は米国特許第4,738,676号に記載さ れている。 用語「失禁製品」は、これが成人によって着用されようと他の失禁者によって 着用されようと関係なく、パッド、下着(ベルトなどの同一型の懸垂システムに よって配置保持されるパッド)、吸収性製品のインサート、吸収性製品の容量ブ ースタ、ベッドパッドおよび類似物を言う。本発明による部品を備える事のでき る適当な失禁製品は米国特許第4,253,461号、米国特許第 4,597,761号および米国特許第4,597,761号、前記米国特許第 4,704,115号、米国特許第4,909,802号、米国特許第4,96 4,860号、および米国特願第07/637,090号および第07/637 ,571号(PCT公表No.WO92/11830、およびWO92/118 31)に記載されている。 本発明の焦点は、着用者の下着の股区域に着用されるための吸収性製品にある 。しかし本発明のフィーチャはおむつなどの吸収性製品においても使用する事が できる。おむつは、着用者のウエスト回りに固定される幼児または失禁者によっ て着用される吸収性製品である。本発明の部品を備える事のできる適当なおむつ は米国特許第3,860,003号および米国特許第5,151,092号に記 載されている。 本件特願において記載されたすべての特許および特願の開示(これらの特願に 基づく特許および対応の外国特許)および出版物を引例とする。しかしこれらの 文献のいずれも本発明を教示または開示しているとは明白に認められない。また 本明細書に記載のいずれの市販の材料または製品も本発明を教示しまたは開示し ているとは明白に認められない。 本発明は前記の説明のみに限定されるものでなく、その主旨の範囲内において 任意に変更実施できる。
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Claims (1)

  1. 【特許請求の範囲】 1. 長手方向方向の長手方向中心線と、横方向の横方向中心線と、吸収性製 品の外周を形成する一対の長手方向縦縁および一対の横縁とを有する吸収性製品 において、前記吸収性製品は、 透液性トップシートと、 前記トップシートに接合された不透液性バックシートと、 前記トップシートと前記バックシートとの間に配置された吸収性コアと、 吸収性製品の少なくとも一方の縦縁に隣接するバリヤであって、前記バリヤは 内側縁と外側縁と一対の末端とを有するバリヤとを含み、 ここに、前記バリヤの外側縁と末端が前記トップシートに接合され、また前記 バリヤの内側縁の少なくとも一部が前記末端間において前記トップシートに対し て接着されない事、また 少なくとも前記トップシートが延伸性であり前記バリヤが前記トップシートよ り低延伸性であるので、前記トップシートを延伸する際に前記バリヤが直立姿勢 まで移動してリップを成し、このリップが体液に対するバリヤとして作用する事 を特徴とする吸収性製品。 2. 前記トップシートは長手方向に延伸性である事 を特徴とする請求項1に記載の吸収性製品。 3. 2つのバリヤを有し各バリヤが各縦縁に隣接して配置される事を特徴と する請求項1に記載の吸収性製品。 4. 前記バリヤが前記トップシートに重なる事を特徴とする請求項1に記載 の吸収性製品。 5. 前記バックシートと前記吸収性コアも延伸性である事を特徴とする請求 項1に記載の吸収性製品。 6. 各横縁に隣接してバリヤを含む事を特徴とする請求項3に記載の吸収性 製品。 7. 前記バリヤは不透液性フィルムを含む事を特徴とする請求項1に記載の 吸収性製品。 8. 前記不透液性フィルムを覆う柔らかな材料を含む事を特徴とする請求項 7に記載の吸収性製品。 9. 第1末端区域と、第2末端区域と、前記第1末端区域および第2末端区 域の間に配置された中央区域とを有し、前記中央区域が末端区域より狭い事を特 徴とする請求項1に記載の吸収性製品。 10. 砂時計型を有する事を特徴とする請求項9に記載の吸収性製品。 11. 犬骨形状を有する事を特徴とする請求項9に記載の吸収性製品。 12. 前記トップシート、バックシートおよび吸収性コアの少なくとも一部 から成る本体部分を有し、前記 本体部分は一対の縦縁と一対の横縁とを有し、さらに前記本体部分の縦縁から外 側に延在した一対のフラップを含む事を特徴とする請求項1乃至9のいずれかに 記載の吸収性製品。
JP50471294A 1992-07-23 1993-07-22 低延伸性バリヤを有する延伸性吸収性製品 Expired - Fee Related JP3447288B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/915,133 US5824004A (en) 1990-06-18 1992-07-23 Stretchable absorbent articles
US07/915,133 1992-07-23
PCT/US1993/006938 WO1994002095A1 (en) 1992-07-23 1993-07-22 Extensible absorbent article having less extensible barriers

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JPH09502104A true JPH09502104A (ja) 1997-03-04
JP3447288B2 JP3447288B2 (ja) 2003-09-16

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JP6504719A Withdrawn JPH07509162A (ja) 1992-07-23 1993-07-22 会陰との接触が改善された月経用ショーツ
JP50471294A Expired - Fee Related JP3447288B2 (ja) 1992-07-23 1993-07-22 低延伸性バリヤを有する延伸性吸収性製品
JP50472694A Expired - Fee Related JP3696235B2 (ja) 1992-07-23 1993-07-22 改良されたファスナシステムを有する生理用ショーツ
JP06504727A Expired - Fee Related JP3098034B2 (ja) 1992-07-23 1993-07-22 パンティの両サイドを自然に包むパンティカバー部材を有する吸収用品
JP50468894A Expired - Fee Related JP3534754B2 (ja) 1992-07-23 1993-07-23 伸縮性吸収構造体

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JP50472694A Expired - Fee Related JP3696235B2 (ja) 1992-07-23 1993-07-22 改良されたファスナシステムを有する生理用ショーツ
JP06504727A Expired - Fee Related JP3098034B2 (ja) 1992-07-23 1993-07-22 パンティの両サイドを自然に包むパンティカバー部材を有する吸収用品
JP50468894A Expired - Fee Related JP3534754B2 (ja) 1992-07-23 1993-07-23 伸縮性吸収構造体

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JP2001522705A (ja) * 1997-11-13 2001-11-20 ザ、プロクター、エンド、ギャンブル、カンパニー 非一体型吸収体
JP2003210507A (ja) * 2002-01-21 2003-07-29 Uni Charm Corp 使い捨ておむつ
JP2003325563A (ja) * 2002-05-10 2003-11-18 Uni Charm Corp 使い捨ておむつ

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