JP3224481B2 - Sanitary napkin - Google Patents
Sanitary napkinInfo
- Publication number
- JP3224481B2 JP3224481B2 JP26219994A JP26219994A JP3224481B2 JP 3224481 B2 JP3224481 B2 JP 3224481B2 JP 26219994 A JP26219994 A JP 26219994A JP 26219994 A JP26219994 A JP 26219994A JP 3224481 B2 JP3224481 B2 JP 3224481B2
- Authority
- JP
- Japan
- Prior art keywords
- napkin
- core
- folds
- liquid
- sheet
- 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
Links
Description
【０００１】[0001]
【産業上の利用分野】この発明は、経血を吸収保持する
生理用ナプキンに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sanitary napkin for absorbing and retaining menstrual blood .
【０００２】[0002]
【従来の技術】従来、生理用ナプキンの横漏れを防止す
るために、左右両側縁部の前後方向に伸縮性を持たせて
肌への密着性を向上させたり、側縁部の前後方向に伸縮
性のフラップを取り付けてそれを内方へ倒伏することに
より経血を受容可能なポケットを形成する技術が周知な
いし公知である。2. Description of the Related Art Conventionally, in order to prevent lateral leakage of a sanitary napkin, elasticity is provided in the front and rear sides of the left and right side edges to improve adhesion to the skin, and in the front and rear directions of the side edges. Techniques for attaching a stretchable flap and laying it down inward to form a pocket capable of receiving menstrual blood are well known or known.
【０００３】[0003]
【発明が解決しようとする課題】前記従来技術の横漏れ
防止手段は、横へ流れる経血の防漏堤になるが、その経
血を積極的にコアの端部へ導く機能を備えていない。コ
アの端部は、ナプキン使用後にも吸液に余力を残してい
ることが多く、かかる端部を利用するという点において
前記従来技術の防漏堤は、まだ改良の余地がある。The above-mentioned prior art lateral leakage prevention means is a leakage barrier for menstrual blood flowing laterally, but does not have a function of actively guiding the menstrual blood to the end of the core. . The end of the core often leaves a margin for liquid absorption even after the use of the napkin, and the above-mentioned prior art leakage barrier still has room for improvement in utilizing such an end.
【０００４】この発明は、生理用ナプキンにおいて、そ
の両側縁部に複数条の襞を設けることにより、経血をナ
プキンの前後方向へ導くことを課題にしている。An object of the present invention is to provide menstrual napkins with a plurality of folds on both side edges to guide menstrual blood in the front-back direction of the napkin.
【０００５】[0005]
【課題を解決するための手段】この発明が前記課題を解
決するために手段とするところは、以下のとおりであ
る。Means for solving the above problems The present invention is as follows to solve the above problems.
【０００６】この発明が前提とするのは、生理用ナプキ
ンが、熱可塑性繊維からなる透液性表面シートと、不透
液性裏面シートと、それら両シート間に介在する吸液性
コアとから構成され、前記ナプキンの左右両側縁部上面
に、頂部が前記ナプキンの上面中央部よりも高く突出し
て前記ナプキンの前後方向へ互いに平行して延びる複数
条の襞を設けてあることにある。The present invention is based on a sanitary napkin.
Emissions is, a liquid-pervious topsheet made of thermoplastic fibers, it is composed of a liquid-impermeable back sheet, a liquid-absorbent core disposed between these two sheets, left and right side edge portions an upper surface of said napkin
The top protrudes higher than the center of the upper surface of the napkin.
Extending in parallel with each other in the front-rear direction of the napkin.
The fold of the ridge is provided .
【０００７】かかる前提において、この発明が特徴とす
るところは、前記襞はその内部が前記繊維で満たされて
いて前記頂部から前記襞の底部へ向かって前記襞の幅が
増大し、前記底部が前記コアに接触していることにあ
る。 On this assumption, the present invention is characterized.
Where the folds are filled with the fibers
The width of the fold from the top toward the bottom of the fold
To increase that the bottom is in contact with the core.
You.
【０００８】この発明の好ましい実施態様において、前
記表面シートは、前記コアの中央部を被覆する中央シー
トと、前記コアの両側部を被覆する側部シートとからな
り、また実施態様の一つにおいて、前記ナプキン幅方向
の断面において、前記襞が互いに接し合い、ジグザグ形
状を描く実質的にＶ字の溝を形成している。[0008] In a preferred embodiment of the invention, prior to
The topsheet has a central sheet covering the central portion of the core.
And a side sheet covering both sides of the core.
Ri, and in one embodiment, in the napkin width-direction section, the folds each other are in contact with each other, to form a groove of substantially V-shaped draw zigzag shape.
【０００９】[0009]
【作用】このように構成した生理用ナプキンでは、横方
向へ流れた経血は襞で外方への流動を阻止されるが、一
つの襞を外方へ越えた経血は各襞間で形成される条溝で
作用する流動力や毛管作用によってナプキンの前後方向
へ導かれる。In the sanitary napkin constructed as described above, menstrual blood flowing in the lateral direction is prevented from flowing outward by the folds, but menstrual blood that has passed one fold outward is interposed between the folds. It is guided in the front-back direction of the napkin by the flow force and the capillary action acting on the formed groove.
【００１０】[0010]
【実施例】この発明に係る生理用ナプキンの詳細を添付
の図面を参照して説明すると、以下のとおりである。DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the sanitary napkin according to the present invention will be described below with reference to the accompanying drawings.
【００１１】図１、２は、生理用ナプキン１の部分破断
斜視図と、そのＩＩ−ＩＩ線断面図である。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、
それら両シート２，３間に介在する吸液性コア４とから
構成されている。表面シート２は、コア４の中央部を被
覆する透液性の中央部シート２Ａと、コア４の側部を被
覆する透液性の側部シート２Ｂとからなり、両シート２
Ａ，２Ｂは、ライン１５で接合し、シート２Ｂの外側縁
部はシールライン６で裏面シート３に接合している。シ
ート２Ｂは、熱可塑性合成繊維不織布を熱成形したもの
であって、襞１０は、頂部１１Ａと底部１１Ｂとを有
し、その内部が満たされていて頂部１１Ａから底部１１
Ｂへ向かってその幅が増大しており、底部１１Ｂの下面
が平坦でコア４に密着している。上下面の間では繊維が
互いに交絡し、そこに生じる毛管作用によって経血が上
面からコア４へと移行可能である。中央部シート２Ａで
コア４の上面全体を被覆し、そのシート２Ａの側縁部上
面に側縁部シート２Ｂを接合してもよい。隣接する襞１
０は互いに接し合うことで実質的なＶ字溝１１を形成
し、幅方向の断面で見るとジグザグ形状を描いている。
襞１０の頂部１１Ａは、表面シート２の中央部の上面よ
りも高く突出し、かつ、底部１１Ｂは、その下面がコア
４に接するか、またはコア４に埋没している。Ｖ字溝１
１は、好ましくは幅０．１〜１．５ｍｍ、高さ０．１〜
３．０ｍｍを有する。FIGS. 1 and 2 are a partially cutaway perspective view of a sanitary napkin 1 and a sectional view taken along the line II-II. Napkin 1
Is a liquid-permeable top sheet 2, a liquid-impermeable back sheet 3,
Liquid-absorbent core 4 which is interposed between them the sheets 2 and 3
It is configured. The topsheet 2 covers the center of the core 4.
The liquid-permeable central sheet 2A to be covered and the side of the core 4 are covered.
And a liquid-permeable side sheet 2B to be covered.
A, 2B are joined at line 15 and the outer edge of sheet 2B
The part is joined to the back sheet 3 by a seal line 6. Shi
Port 2B is obtained by thermoforming a thermoplastic synthetic fiber nonwoven fabric.
The fold 10 has a top 11A and a bottom 11B.
And the interior is filled, from top 11A to bottom 11A.
The width increases toward B, and the lower surface of the bottom portion 11B is flat and in close contact with the core 4. The fibers are entangled with each other between the upper and lower surfaces, and menstrual blood can be transferred from the upper surface to the core 4 by the capillary action occurring there. The entire upper surface of the core 4 may be covered with the central sheet 2A, and the side edge sheet 2B may be joined to the upper surface of the side edge of the sheet 2A. Adjacent fold 1
Reference numerals 0 form a substantial V-shaped groove 11 by being in contact with each other, and have a zigzag shape when viewed in a cross section in the width direction.
The top 11A of the fold 10 protrudes higher than the upper surface of the central portion of the topsheet 2, and the lower surface of the bottom 11B is in contact with the core 4 or is buried in the core 4. V-shaped groove 1
1 preferably has a width of 0.1 to 1.5 mm and a height of 0.1 to 1.5
3.0 mm.
【００１２】かかるナプキン１の表面シート２には、熱
可塑性合成繊維からなる不織布を使用してある。襞１０
には、親水化処理を施して経血を速やかに前後方向へ導
くことができるようにすることが好ましい。裏面シート
３には、熱可塑性合成樹脂フィルムを使用し、コア４に
は粉砕パルプや粉砕パルプと高吸水性ポリマーとの混合
物などを使用することができる。The topsheet 2 of the napkin 1 uses a nonwoven fabric made of thermoplastic synthetic fibers. Fold 10
It is preferable to perform a hydrophilization treatment so that menstrual blood can be quickly guided in the front-rear direction. For the back sheet 3, a thermoplastic synthetic resin film is used, and for the core 4, pulverized pulp or a mixture of pulverized pulp and a superabsorbent polymer can be used.
【００１３】ナプキン１をこのように構成すると、表面
シート２の上に***された経血は、横方向へ流れて襞１
０に到達し、次に襞１０間で生じる毛管作用によって前
後方向へ導かれ、ナプキン１の端部に達することができ
る。コア４の端部は、膣口から最も離れたところであっ
て、ナプキン１の着用後にもそこまでは経血が広がら
ず、いつまでも未使用に近い状態にあることが多い。し
たがって、かかる端部に導かれた経血は、真新しいナプ
キンに吸収されるのと同様に速やかに吸収され、横漏れ
することがない。襞１０内の経血は、コア４に接触する
底部１１Ｂからコア４に吸収される。When the napkin 1 is constructed in this manner, menstrual blood excreted on the topsheet 2 flows in the lateral direction and is folded.
0, and can then be guided in the anteroposterior direction by capillary action occurring between the folds 10 and reach the end of the napkin 1. The end of the core 4 is located farthest from the vaginal opening, and menstrual blood does not spread to the napkin 1 even after the napkin 1 is worn, and it is often in an almost unused state. Therefore, menstrual blood guided to such an end is absorbed as quickly as is absorbed by a brand-new napkin, and does not leak laterally. Menstrual blood in the fold 10 is absorbed by the core 4 from the bottom 11B that contacts the core 4.
【００１４】[0014]
【発明の効果】この発明に係る生理用ナプキンにおいて
は、経血がナプキンの中央部に一度に多量***された場
合でも、両側縁部における襞の頂部が該中央部の上面よ
りも高く突出するから、経血の横方向への流動に対する
障壁機能を果たすことができる。また経血が最内側の襞
を形成する部位を外側へ越えることがあっても、その経
血は襞に沿って前後方向へ導かれながらナプキン内部へ
吸収される。したがって、経血の横漏れを有効に防止す
ることができる。In the sanitary napkin according to the present invention, even when a large amount of menstrual blood is excreted at one time at the center of the napkin, the tops of the folds at both side edges protrude higher than the upper surface of the center. Thus, it can function as a barrier against the lateral flow of menstrual blood. Also, even if menstrual blood may pass outside the innermost fold formation site, the menstrual blood is absorbed into the napkin while being guided back and forth along the fold. Therefore, lateral leakage of menstrual blood can be effectively prevented.
【図１】生理用ナプキンの部分破断斜視図。FIG. 1 is a partially cutaway perspective view of a sanitary napkin.
【図２】図１のＩＩ−ＩＩ線部分断面図。FIG. 2 is a partial sectional view taken along line II-II of FIG.
１ 生理用ナプキン ２ 表面シート２Ａ 中央部シート ２Ｂ 側部シート ３ 裏面シート ４ コア １０ 襞 １１ 溝 1 sanitary napkin 2 surface sheet2A Central seat 2B Side sheet 3 back sheet 4 core 10 fold 11 groove
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A61F 13/15 - 13/84 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) A61F 13/15-13/84
Claims (3)
透液性表面シートと、不透液性裏面シートと、それら両
シート間に介在する吸液性コアとから構成され、前記ナ
プキンの左右両側縁部上面に、頂部が前記ナプキンの上
面中央部よりも高く突出して前記ナプキンの前後方向へ
互いに平行して延びる複数条の襞を設けてある前記ナプ
キンにおいて、前記襞はその内部が前記繊維で満たされていて前記頂部
から前記襞の底部へ向かって前記襞の幅が増大し、前記
底部が前記コアに接触していることを特徴とする 前記ナ
プキン。1. A sanitary napkin comprising : a liquid-permeable top sheet made of thermoplastic fiber; a liquid-impermeable back sheet; and a liquid-absorbent core interposed between the two sheets . Said na
The top is above the napkin on the top of the left and right side edges of the pukin.
In the napkin provided with a plurality of folds protruding higher than the center of the surface and extending in parallel with each other in the front-rear direction of the napkin, the folds are filled with the fibers, and
The width of the fold increases from the bottom to the bottom of the fold,
The napkin, wherein a bottom portion is in contact with the core .
覆する中央シートと、前記コアの両側部を被覆する側部
シートとからなり、前記襞は、前記両側部シートに設け
てある請求項１に記載のナプキン。2. The top sheet covers a central portion of the core.
Central sheet to cover and side parts to cover both sides of the core
And the folds are provided on the both side sheets.
Napkin according to claim 1 in Te.
襞が互いに接し合い、ジグザグ形状を描く実質的にＶ字
の溝を形成している請求項１または２記載のナプキン。3. The napkin according to claim 1, wherein in the cross section in the width direction of the napkin, the folds are in contact with each other to form a substantially V-shaped groove that draws a zigzag shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26219994A JP3224481B2 (en) | 1994-10-26 | 1994-10-26 | Sanitary napkin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP26219994A JP3224481B2 (en) | 1994-10-26 | 1994-10-26 | Sanitary napkin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08117275A JPH08117275A (en) | 1996-05-14 |
| JP3224481B2 true JP3224481B2 (en) | 2001-10-29 |
Family
ID=17372465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP26219994A Expired - Lifetime JP3224481B2 (en) | 1994-10-26 | 1994-10-26 | Sanitary napkin |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3224481B2 (en) |
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|---|---|---|---|---|
| JP3616728B2 (en) † | 1999-01-19 | 2005-02-02 | ユニ・チャーム株式会社 | Body fluid absorbent article |
| JP4335857B2 (en) * | 2005-08-24 | 2009-09-30 | ユニ・チャーム株式会社 | Absorbent article having surface structure |
| JP5127428B2 (en) * | 2007-12-21 | 2013-01-23 | 花王株式会社 | Disposable diapers |
| JP5063412B2 (en) * | 2008-02-28 | 2012-10-31 | 花王株式会社 | Absorbent article surface material |
| KR101418644B1 (en) * | 2012-08-13 | 2014-07-10 | 전누리 | Sanitary napkin |
| JP6358823B2 (en) * | 2014-03-20 | 2018-07-18 | ユニ・チャーム株式会社 | Absorbent articles |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5633539Y2 (en) * | 1977-03-04 | 1981-08-08 | ||
| JP3183363B2 (en) * | 1992-11-06 | 2001-07-09 | 花王株式会社 | Surface material of absorbent article and method of manufacturing the same |
| DE4422956A1 (en) * | 1994-06-30 | 1996-01-04 | Schickedanz Ver Papierwerk | Absorbent hygiene article for absorbing body fluids |
-
1994
- 1994-10-26 JP JP26219994A patent/JP3224481B2/en not_active Expired - Lifetime
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