JP2003265524A - Absorbent article - Google Patents
Absorbent articleInfo
- Publication number
- JP2003265524A JP2003265524A JP2003048000A JP2003048000A JP2003265524A JP 2003265524 A JP2003265524 A JP 2003265524A JP 2003048000 A JP2003048000 A JP 2003048000A JP 2003048000 A JP2003048000 A JP 2003048000A JP 2003265524 A JP2003265524 A JP 2003265524A
- Authority
- JP
- Japan
- Prior art keywords
- absorbent article
- groove
- sanitary napkin
- grooves
- width direction
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、生理用ナプキンや
失禁パッド等の吸収性物品に関し、更に詳細には、防漏
性に優れた吸収性物品に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to absorbent articles such as sanitary napkins and incontinence pads, and more particularly to absorbent articles excellent in leakproofness.
【０００２】[0002]
【従来の技術及び発明が解決しようとする課題】従来よ
り、生理用ナプキン、失禁用パッド、パンティーライナ
ー、紙オムツ等の、液透過性の肌当接面と、液不透過性
の非肌当接面と、該肌当接面及び該非肌当接面の間に介
在された吸収部とを備え、実質的に縦長に形成されてな
る吸収性物品は種々提案されている。就寝時や長時間お
よび多量の体液を吸収させる目的で使用される吸収性物
品は、横向きや仰向けなどの使用者の体位の影響や多量
の体液により、体液が使用者の身体を伝ったり吸収性物
品の表面を流れたりして漏れたり、吸収体の中を伝って
端部より滲み出たりすることがある。またこの様な吸収
性物品においては、特に後方部や横方向での漏れの発生
が多い。2. Description of the Related Art Conventionally, a liquid-permeable skin contact surface and a liquid-impermeable non-skin contact surface such as sanitary napkins, incontinence pads, panty liners, and disposable diapers. Various absorptive articles having a contact surface and an absorbent portion interposed between the skin contact surface and the non-skin contact surface and formed substantially vertically have been proposed. Absorbent articles that are used at bedtime, for the purpose of absorbing a large amount of body fluid for a long period of time, may be transmitted or absorbed by the body due to the influence of the body position of the user such as sideways or supine and a large amount of body fluid. It may flow on the surface of the article and leak, or may leak through the absorbent body from the end. Further, in such an absorbent article, leakage often occurs particularly in the rear part and the lateral direction.
【０００３】そのため、従来より、実開昭５６−５９０
１３号公報や、実開平２−８８６２５号公報、特開平１
−１１１００２号公報、及び特開昭６４−４９５５５号
公報に記載されるように、吸収性物品に溝を設けて体液
を堰き止めたり拡散性を制御することにより漏れを回避
する技術が提案されている。しかしこれらの従来技術に
おいては、まだ十分に漏れを特に後方部の漏れを回避で
きない場合があった。For this reason, the conventional method has been used.
No. 13, Japanese Utility Model Laid-Open No. 2-88625, Japanese Patent Laid-Open No.
As disclosed in Japanese Patent Application Laid-Open No. -111002 and Japanese Patent Application Laid-Open No. 64-49555, a technique has been proposed for avoiding leakage by providing a groove in an absorbent article to block body fluid and control diffusivity. There is. However, in these conventional techniques, there have been cases where it is not possible to sufficiently avoid leaks, especially leaks in the rear part.
【０００４】従って、本発明の目的は、確実に横漏れお
よび後ろ漏れを防止することのできる吸収性物品を提供
することにある。Therefore, an object of the present invention is to provide an absorbent article which can surely prevent side leakage and back leakage.
【０００５】[0005]
【課題を解決するための手段】本発明者等は、上記課題
を解決するために種々検討した結果、特定の形状の溝を
特定の位置に配設した吸収性物品が、上記目的を達成し
うることを知見した。Means for Solving the Problems As a result of various studies for solving the above problems, the present inventors have found that an absorbent article having grooves of a specific shape arranged at specific positions achieves the above object. I found that
【０００６】本発明は、上記知見に基づきなされたもの
で、液透過性の肌当接面と、液不透過性の非肌当接面
と、該肌当接面及び該非肌当接面の間に介在された吸収
部とを備え、実質的に縦長に形成されてなる吸収性物品
において、装着時に装着者の体液排泄部に当接される排
泄部当接部の上記肌当接面に、上記吸収性物品の長手方
向に沿って形成された一対の前方溝を有しており、装着
時に装着者の後ろ側に当接される後方部の上記肌当接面
に、上記吸収性物品の幅方向に沿って形成された後方溝
を有しており、上記後方溝の最後方部と上記吸収部の後
端との距離が１０〜５０ｍｍであり、一対の上記前方溝
の上記吸収性物品の幅方向における最内側部どうしの距
離は、上記後方溝の上記吸収性物品の幅方向における最
外側部間の距離よりも短いことを特徴とする吸収性物品
を提供するものである。The present invention has been made on the basis of the above-mentioned findings, and includes a liquid-permeable skin contact surface, a liquid-impermeable non-skin contact surface, a skin contact surface and a non-skin contact surface. In an absorbent article that is provided with an absorbent section interposed therebetween and is formed substantially vertically long, the skin contact surface of the excretion section contact section that is in contact with the body fluid excretion section of the wearer when worn. The absorbent article has a pair of front grooves formed along the longitudinal direction of the absorbent article, and the skin-contacting surface of the rear portion that abuts on the back side of the wearer at the time of wearing the absorbent article. Has a rear groove formed along the width direction thereof, the distance between the rearmost portion of the rear groove and the rear end of the absorbing portion is 10 to 50 mm, and the absorbability of the pair of front grooves is The distance between the innermost parts in the width direction of the article is more than the distance between the outermost parts in the width direction of the absorbent article of the rear groove. Shorter is to provide an absorbent article characterized by.
【０００７】上記「吸収性物品の長手方向に沿って形成
された一対の前方溝」は、吸収性物品の長手方向と略平
行に形成されていればよく、各前方溝が、吸収性物品の
長手方向と平行に形成されている場合の他、各前方溝が
それぞれの一端部から他端側合等も含まれ、また、一本
の直線状に形成されている場合、一対等の複数本の直線
状に形成されている場合、一本又は一対等の複数本の円
弧状等の曲線状に形成されている場合も含まれる。上記
「吸収性物品の幅方向に沿って形成された後方溝」は、
吸収性物品の幅方向と略平行に形成されていればよく、
後方溝が、幅方向と平行に形成されている場合の他、後
方にいくに従い幅方向における外方に位置するように形
成されている場合等も含まれ、また、一本の直線状に形
成されている場合、一対等の複数本の直線状に形成され
ている場合、一本又は一対等の複数本の円弧状等の曲線
状に形成されている場合も含まれる。The above-mentioned "a pair of front grooves formed along the longitudinal direction of the absorbent article" may be formed substantially parallel to the longitudinal direction of the absorbent article, and each front groove of the absorbent article is formed. In addition to the case where it is formed parallel to the longitudinal direction, each front groove includes the one end to the other end side, etc., and when it is formed in one straight line, a plurality of pairs such as a pair The case of being formed in a straight line, the case of being formed in a curved shape such as one or a plurality of arcs such as a pair is also included. The above "rear groove formed along the width direction of the absorbent article",
It only has to be formed substantially parallel to the width direction of the absorbent article,
In addition to the case where the rear groove is formed parallel to the width direction, it includes the case where it is formed so as to be positioned outward in the width direction as it goes rearward, and it is also formed in one straight line shape. In the case of being formed, a case of being formed in a plurality of straight lines such as a pair, and a case of being formed in a curved shape such as one or a plurality of arcs such as a pair are also included.
【０００８】[0008]
【発明の実施の形態】以下、本発明の吸収性物品の第１
の実施形態について図面を参照しながら具体的に説明す
る。図１は、本発明の吸収性物品の第１の実施形態とし
ての生理用ナプキンを示す平面図であり、図２は図１の
生理用ナプキンの要部平面図であり、図３は図２のＩ−
Ｉ断面図である。BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, the first absorbent article of the present invention will be described.
Embodiments will be specifically described with reference to the drawings. FIG. 1 is a plan view showing a sanitary napkin as a first embodiment of an absorbent article of the present invention, FIG. 2 is a main part plan view of the sanitary napkin of FIG. 1, and FIG. I-
FIG.
【０００９】本実施形態の吸収性物品（生理用ナプキ
ン）１０は、図１に示すように、液透過性の肌当接面Ｐ
と、液不透過性の非肌当接面と、該肌当接面Ｐ及び該非
肌当接面の間に介在された吸収部Ａとを備え、実質的に
縦長に形成されている。The absorbent article (sanitary napkin) 10 of this embodiment has a liquid-permeable skin contacting surface P as shown in FIG.
And a liquid impermeable non-skin contacting surface, and an absorbing portion A interposed between the skin contacting surface P and the non-skin contacting surface, and is formed substantially vertically.
【００１０】更に詳述すると、上記肌当接面Ｐは液体透
過性の表面シート１２により形成されており、上記非肌
当接面は液体不透過性の裏面シートにより形成されてい
る。また、上記表面シート１２と上記裏面シートとは、
生理用ナプキン１０の長手方向両端において接着されて
いる。More specifically, the skin contact surface P is formed of a liquid-permeable top sheet 12, and the non-skin contact surface is formed of a liquid-impermeable back sheet. Further, the top sheet 12 and the back sheet are
The sanitary napkin 10 is bonded at both ends in the longitudinal direction.
【００１１】また、上記表面シート１２及び上記裏面シ
ートの左右両側縁部は幅方向外方に延出され、ウイング
１４，１４が形成されている。このウイング１４，１４
の裏面シートの表面には、粘着剤が塗布されてズレ止め
部１４ａ，１４ａが形成されており、このズレ止め部１
４ａ，１４ａは剥離紙若しくは剥離フィルム等（図示せ
ず）により保護されている。The left and right edges of the top sheet 12 and the back sheet are extended outward in the width direction to form wings 14 and 14. This wing 14, 14
Adhesive is applied to the surface of the back sheet of No. 1 to form the slip prevention portions 14a, 14a.
4a and 14a are protected by a release paper or a release film (not shown).
【００１２】これらの構成については、従来の吸収性物
品と同じであり、上記表面シート１２及び上記裏面シー
トの形成材料、及び上記ズレ止め部１４ａ，１４ａを形
成させる粘着剤としては、通常公知のものを特に制限な
く用いることができる。These constitutions are the same as those of the conventional absorbent article, and are generally known as the forming material of the top sheet 12 and the back sheet and the pressure-sensitive adhesive for forming the deviation preventing portions 14a, 14a. Any thing can be used without particular limitation.
【００１３】而して、本形態の生理用ナプキン１０は、
図１に示すように、装着時に装着者の体液が排泄される
排泄部に当接される排泄部当接部１０ａの上記肌当接面
Ｐに、上記生理用ナプキン１０の長手方向に沿って形成
された一対の前方溝１６，１６を有しており、装着時に
装着者の後ろ側に当接される後方部１０ｂの上記肌当接
面Ｐに、上記生理用ナプキン１０の幅方向に沿って形成
された後方溝１５を有している。そして、後方溝１５の
最後方部１５ａと吸収部Ａの後端との距離Ｌは１０〜５
０ｍｍとなっており、一対の前方溝１６，１６の生理用
ナプキン１０の幅方向における最内側部どうしの距離Ｗ
1 は、後方溝１５の生理用ナプキン１０の幅方向におけ
る最外側部間の距離Ｗ2 よりも短くなっている。該距離
Ｌは、１０〜５０ｍｍであることが必要であり、好まし
くは１０〜３０ｍｍである。１０ｍｍ未満では、溝の後
方側における体液の吸収可能量が小さ過ぎて、一旦後方
溝１５から後方へ流れて漏れた体液が吸収部Ａに吸収さ
れずに吸収性物品１から漏出してしまうおそれがあり、
５０ｍｍ以上では、後方溝１５と排泄位置との距離が近
すぎることがあり、後方溝１５に至る体液量が多くなっ
て体液が容易に後方溝１５を乗り越えやすくなり、後方
に流れて漏れてしまうおそれがある。Thus, the sanitary napkin 10 of this embodiment is
As shown in FIG. 1, along the longitudinal direction of the sanitary napkin 10 on the skin contact surface P of the excretion portion contact portion 10a that contacts the excretion portion where the body fluid of the wearer is excreted when worn. It has a pair of front grooves 16 formed, and along the width direction of the sanitary napkin 10 on the skin contacting surface P of the rear part 10b that contacts the rear side of the wearer when worn. It has a rear groove 15 formed by. The distance L between the rearmost portion 15a of the rear groove 15 and the rear end of the absorbing portion A is 10 to 5
The distance W between the innermost portions of the pair of front grooves 16, 16 in the width direction of the sanitary napkin 10 is 0 mm.
1 is shorter than the distance W 2 between the outermost portions of the rear groove 15 in the width direction of the sanitary napkin 10. The distance L needs to be 10 to 50 mm, and preferably 10 to 30 mm. If it is less than 10 mm, the amount of bodily fluid that can be absorbed on the rear side of the groove is too small, and the bodily fluid that has once flowed backward from the rear groove 15 and leaked may leak out from the absorbent article 1 without being absorbed by the absorbent portion A. There is
If it is 50 mm or more, the distance between the rear groove 15 and the excretion position may be too short, and the amount of body fluid reaching the rear groove 15 is large, so that the body fluid easily gets over the rear groove 15 and flows backward and leaks. There is a risk.
【００１４】更に詳述すると、本実施形態の生理用ナプ
キン１０においては、上記後方溝１５は、上記吸収部Ａ
の後端に沿う円弧状に形成され上記生理用ナプキン１０
の幅方向に形成された後方部１５ｂと、該後方部１５ｂ
から生理用ナプキン１０の長手方向の両側縁に沿って直
線状に前方へ延設された一対の側方部１５ｃ，１５ｃと
よりなっている。More specifically, in the sanitary napkin 10 of this embodiment, the rear groove 15 has the absorbing portion A.
The sanitary napkin 10 is formed in an arc shape along the rear end of the
Rear portion 15b formed in the width direction of the
From the sanitary napkin 10 is formed by a pair of side portions 15c, 15c linearly extending forward along both side edges in the longitudinal direction.
【００１５】上記後方溝１５は、その深さＤが１〜１０
ｍｍであるのが好ましく、３〜８ｍｍであるのがより好
ましい。後方溝１５及び前方溝１６の深さＤが１ｍｍ未
満では、表面を流れる体液を堰き止める効果が得難く好
ましくなく、１０ｍｍを超えると装着者に違和感を与え
好ましくない。また、生理用ナプキン１０の、上記後方
溝１５の形成されている部分における厚さＴ1 の、溝の
形成されていない部分における厚さＴ2 に対する比Ｔ1
／Ｔ2は、０．０５〜０．７が好ましく、０．１〜０．
５がより好ましい。Ｔ1 ／Ｔ2 が０．０５未満では生理
用ナプキン１０として好ましい厚さＴ2 を有する生理用
ナプキン（生理用ナプキン１０の厚さＴ2 は、１．５〜
１５ｍｍが好ましく、２〜１０ｍｍがより好ましい。）
において、押圧によって後方溝１５及び前方溝１６を形
成させた場合に後方溝１５や前方溝１６が硬くなりす
ぎ、フィット性をそこなう場合があり、０．７を超える
と、吸収部Ａ中の体液の流れを遮断する十分な効果を得
ることができず、好ましくない。The depth D of the rear groove 15 is 1-10.
mm is preferable, and 3-8 mm is more preferable. When the depth D of the rear groove 15 and the front groove 16 is less than 1 mm, it is difficult to obtain the effect of blocking the body fluid flowing on the surface, and when it exceeds 10 mm, the wearer feels uncomfortable and is not preferable. Further, the ratio T 1 of the thickness T 1 of the portion of the sanitary napkin 10 where the rear groove 15 is formed to the thickness T 2 of the portion where the groove is not formed.
/ T 2 is preferably 0.05 to 0.7, and 0.1 to 0.
5 is more preferable. When T 1 / T 2 is less than 0.05, the sanitary napkin has a preferable thickness T 2 as the sanitary napkin 10 (the thickness T 2 of the sanitary napkin 10 is 1.5 to
15 mm is preferable and 2-10 mm is more preferable. )
In the case where the rear groove 15 and the front groove 16 are formed by pressing, the rear groove 15 and the front groove 16 may become too hard and the fit property may be impaired. It is not preferable because it is not possible to obtain a sufficient effect of blocking the flow of
【００１６】以下、好ましい溝構造について記載する。
上記後方溝１５は、図２及び図３に示すように、菱形形
状の小溝１５ｄを複数個非連続的に形成させる溝加工を
肌当接面Ｐ側から所定形状に沿って施し、小溝１５ｄ及
び小溝１５ｄ間を連続的に肌当接面Ｐよりも窪ませた２
段階の深さに形成されている。このように、小溝１５ｄ
及び小溝１５ｄ間を連続的に肌当接面Ｐよりも窪ませ２
段階の深さに形成することにより、後方溝１５の深さＤ
を深く形成しつつ溝部分の可撓性を高く保持し良好なフ
ィット性を得ることが可能となる。上記小溝１５ｄの大
きさは、１〜１００ｍｍ2 とするのが好ましい。１ｍｍ
2より小さいと体液を堰き止める効果が小さく、１００
ｍｍ2 を超えると好ましい可撓性が得られなくなる。ま
た、各小溝１５ｄのピッチは、０．５〜５ｍｍとするの
が好ましい。０．５ｍｍ未満であると、好ましい可撓性
及び肌当たり性が得られず、５ｍｍを超えると小溝１５
ｄ間に窪まない部分が生じて漏れ防止効果が小さくな
る。また、小溝１５ｄを非連続的形成させる溝加工にお
いて、生理用ナプキン１０の、小溝１５ｄ間における厚
さＴ3 の、溝の形成されていない部分における厚さＴ2
に対する比Ｔ3 ／Ｔ2 は、体液の堰き止め効果及び装
着感から、０．２〜０．８が好ましく、０．３〜０．６
がより好ましい。更に、生理用ナプキン１０の、小溝１
５ｄの形成されている部分における厚さＴ1 の、小溝１
５ｄ間における厚さＴ3 に対する比Ｔ1 ／Ｔ3 は、体
液の堰き止め効果及び装着感から０．１〜０．８が好ま
しく、０．３〜０．７がより好ましい。上記溝加工は、
菱形形状のエンボス凸部を有する所定温度のエンボスロ
ールを通常公知の溝のない生理用ナプキンに肌当接面側
から押圧して該生理用ナプキンを厚さ方向に加熱圧縮す
るものである。The preferred groove structure will be described below.
As shown in FIGS. 2 and 3, the rear groove 15 is subjected to groove processing for forming a plurality of diamond-shaped small grooves 15d discontinuously from the skin contact surface P side along a predetermined shape. 2 between the small grooves 15d is continuously depressed from the skin contact surface P
It is formed to the depth of the step. In this way, the small groove 15d
And between the small grooves 15d are continuously recessed from the skin contact surface P. 2
By forming the depth of the step, the depth D of the rear groove 15
It is possible to maintain the flexibility of the groove portion while forming the groove deep and to obtain a good fitting property. The size of the small groove 15d is preferably 1 to 100 mm 2 . 1 mm
If it is less than 2, the effect of blocking the body fluid is small and 100
If it exceeds mm 2 , preferable flexibility cannot be obtained. The pitch of the small grooves 15d is preferably 0.5 to 5 mm. When it is less than 0.5 mm, preferable flexibility and skin contact property cannot be obtained, and when it exceeds 5 mm, the small groove 15 is formed.
A portion without dimples is formed between d, and the leak prevention effect is reduced. Further, in the groove processing for discontinuous forming small grooves 15d, of the sanitary napkin 10, small groove of the thickness T 3 between 15d, the thickness in the portion not formed with the grooves T 2
The ratio T 3 / T 2 to the ratio is preferably 0.2 to 0.8, and 0.3 to 0.6 in view of the effect of blocking body fluid and the feeling of wearing.
Is more preferable. Further, the small groove 1 of the sanitary napkin 10
Small groove 1 of thickness T 1 in the portion where 5d is formed
The ratio T 1 / T 3 to the thickness T 3 between the 5d is preferably 0.1 to 0.8 from the damming effect and fit the body fluid, 0.3 to 0.7 is more preferable. The above groove processing is
An embossing roll having a diamond-shaped embossing protrusion at a predetermined temperature is pressed against a conventionally known grooveless sanitary napkin from the skin contact surface side to heat and compress the sanitary napkin in the thickness direction.
【００１７】一対の上記前方溝１６，１６は、平面視生
理用ナプキン１０の長手方向内側へ向けて凸型の円弧状
に左右対称に形成されている。これらの前方溝１６，１
６の生理用ナプキン１０の幅方向における最内側部どう
しの距離Ｗ1 は、２０〜５０ｍｍとなっており、後方溝
１５の生理用ナプキン１０の幅方向における最外側部間
の距離Ｗ2 よりも短くなっている。この一対の前方溝１
６，１６は、上記後方溝１５と同様の溝加工により形成
されている。また、これらの前方溝１６，１６は、後方
溝１５の２つの側方部１５ｃ，１５ｃの前端に一本ずつ
連設されており、前方溝１６，１６及び後方溝１５が一
本の溝状に形成されている。上記前方溝１６，１６の好
ましい深さＤ、上記前方溝１６，１６の形成されている
部分における生理用ナプキンの厚さの、溝の形成されて
いない部分における生理用ナプキンの厚さに対する比、
好ましい溝加工の手法については、上記後方溝１５の場
合と同じである。The pair of front grooves 16, 16 are formed symmetrically in a convex arc shape toward the inner side in the longitudinal direction of the sanitary napkin 10 in plan view. These front grooves 16, 1
The distance W 1 between the innermost portions in the width direction of the sanitary napkin 10 of 6 is 20 to 50 mm, which is larger than the distance W 2 between the outermost portions of the rear groove 15 in the width direction of the sanitary napkin 10. It's getting shorter. This pair of front grooves 1
6 and 16 are formed by the same groove processing as the rear groove 15. Further, these front grooves 16 and 16 are continuously provided at the front ends of the two lateral portions 15c and 15c of the rear groove 15, respectively, and the front grooves 16 and 16 and the rear groove 15 are formed in a single groove shape. Is formed in. A preferred depth D of the front grooves 16, 16, a ratio of the thickness of the sanitary napkin in the portion where the front grooves 16, 16 are formed to the thickness of the sanitary napkin in the portion where no groove is formed,
A preferable groove processing method is the same as that of the rear groove 15.
【００１８】上記吸収部Ａは、従来より吸収性物品の吸
収部を形成するために用いられているパルプ、紙、不織
布や高吸水性ポリマーを用いて構成することができる
が、熱可塑性繊維を含有するものが、上記後方溝１５及
び前方溝１６，１６をより安定した状態に形成・保持さ
せる点で、好ましい。The absorbent part A can be made of pulp, paper, non-woven fabric or superabsorbent polymer which has been conventionally used to form an absorbent part of an absorbent article. The inclusion is preferable in that the rear groove 15 and the front grooves 16 and 16 are formed and held in a more stable state.
【００１９】上記該熱可塑性繊維は、吸収シート１３中
において相互に結合している方が、体液を吸収した際に
熱可塑性繊維が吸収シート１３の形状を安定に保ち、生
理用ナプキン１０の好ましい装着形態を維持し、また圧
力が開放された時にもとの状態に回復し、ヨレずに生理
用ナプキン１を安定に保つため、好ましい。上記熱可塑
性繊維としては、加熱する事により互いに繊維どうしが
接着するものであれば特に制限されないが、具体的に
は、ポリエチレン、ポリプロピレン、ポリエステル繊維
やポリエチレン−ポリエステル複合繊維、ポリプロピレ
ン−ポリエステル複合繊維等が好ましく使用される。ま
た、熱水に溶解し乾燥させることにより互いに繊維が結
合するポリビニルアルコール繊維等も好ましく使用する
ことができる。It is preferable that the thermoplastic fibers are bonded to each other in the absorbent sheet 13 so that the thermoplastic fibers keep the shape of the absorbent sheet 13 stable when absorbing a body fluid and the sanitary napkin 10 is preferable. It is preferable because the wearing form is maintained, the original state is restored when the pressure is released, and the sanitary napkin 1 is kept stable without twisting. The thermoplastic fiber is not particularly limited as long as the fibers adhere to each other by heating, but specifically, polyethylene, polypropylene, polyester fiber, polyethylene-polyester composite fiber, polypropylene-polyester composite fiber, etc. Is preferably used. Further, polyvinyl alcohol fibers or the like in which the fibers are bound to each other by dissolving in hot water and drying can also be preferably used.
【００２０】また、上記吸収シート１３は、上記熱可塑
性繊維のみにより形成されたものでもよいが、フラップ
パルプ、レーヨンなどの親水性繊維、公知の高吸水性ポ
リマー等を混合してもよい。これらを混合して用いる際
の上記熱可塑性繊維の配合量は、吸収シート１３全体に
対して、１〜３０重量％とするのが好ましい。The absorbent sheet 13 may be formed of only the thermoplastic fibers, but may be mixed with hydrophilic fibers such as flap pulp and rayon, known super absorbent polymers, and the like. When these are mixed and used, the blending amount of the thermoplastic fiber is preferably 1 to 30% by weight with respect to the entire absorbent sheet 13.
【００２１】本形態の生理用ナプキン１０は、排泄部当
接部１０ａを股間に配置して従来の通常の生理用ナプキ
ンと同様に装着・使用する。装着状態においては、生理
用ナプキン１０の排泄部当接部１０ａに側方から幅方向
の力が加えられ、上記排泄部当接部１０ａは、前方溝１
６，１６において屈曲し、前方溝１６，１６間が肌当接
面Ｐ側に隆起した断面アーチ状となって、装着者の股間
に良好にフィットした状態で当接される。そして、装着
者からの体液は、排泄部当接部１０ａの中央部に排泄さ
れる。The sanitary napkin 10 of the present embodiment has the excretion portion contact portion 10a disposed in the crotch and is mounted and used in the same manner as a conventional normal sanitary napkin. In the mounted state, a lateral force is applied to the excretion portion contact portion 10a of the sanitary napkin 10 from the lateral side, and the excretion portion contact portion 10a is attached to the front groove 1
6 and 16, the front grooves 16 and 16 have an arched cross-section between the front grooves 16 and 16 and are raised toward the skin contacting surface P side, so that the wearer's crotch fits in a good fit. Then, the body fluid from the wearer is excreted in the central portion of the excretion portion contact portion 10a.
【００２２】排泄された体液は、排泄部当接部１０ａの
中央部分から肌当接面Ｐ上を移行しつつ吸収シート１３
中へ吸収され、外方へ拡散されていく。そして肌当接面
Ｐ上を移行し前方溝１６に至った体液は、一旦前方溝１
６，１６に滞留し、前方溝１６，１６から表面シート１
２を通って吸収シート１３に吸収され保持される。吸収
シート１３に吸収されなかった体液は、前方溝１６，１
６によって幅方向の拡散を抑制され、生理用ナプキン１
０の長手方向に移行、拡散され、仰臥時等には特に後方
へ移行される。また、排泄部当接部１０ａの中央部分か
ら肌当接面Ｐ上を移行して直接、又は前方溝１６，１６
に沿って後方溝１５に至った体液は、一旦後方溝１５に
滞留し、後方溝１５から表面シート１２を通って吸収シ
ート１３に吸収され保持される。そして、後方溝１５に
至った体液が多量の場合や装着者の動きが激しい場合、
また体液が表面シート上を速い速度で移行する場合等に
は、一部の体液が後方溝１５から溢れ、生理用ナプキン
１０の更に後方において表面シート１２を通って吸収シ
ート１３に吸収され保持される。吸収部Ａ中を移行して
する体液は、前方溝１６，１６や後方溝１５に至ると、
前方溝１６，１６や後方溝１５によってこれらの前方溝
１６，１６や後方溝１５よりも外方への移行を阻止さ
れ、前方溝１６，１６や後方溝１５の周囲において吸収
シート１３に吸収され保持される。The excreted body fluid moves from the central portion of the excretion portion contact portion 10a onto the skin contact surface P, while absorbing sheet 13.
It is absorbed inside and diffused outward. Then, the body fluid that has moved to the skin contact surface P and has reached the front groove 16 is once in the front groove 1.
6, 16 and stay from the front grooves 16, 16 to the top sheet 1
It is absorbed and retained by the absorbent sheet 13 after passing through 2. The body fluid not absorbed by the absorbent sheet 13 is stored in the front grooves 16, 1
The diffusion in the width direction is suppressed by 6, and the sanitary napkin 1
It is moved and diffused in the longitudinal direction of 0, and is particularly moved to the rear when lying on the back. Further, the excretion portion contact portion 10a moves from the center portion thereof onto the skin contact surface P directly or in the front grooves 16, 16.
The bodily fluid that has reached the rear groove 15 along is temporarily retained in the rear groove 15, and is absorbed and retained in the absorbent sheet 13 from the rear groove 15 through the surface sheet 12. When the amount of body fluid reaching the rear groove 15 is large or the wearer's movement is intense,
Further, when the body fluid moves on the topsheet at a high speed, a part of the body fluid overflows from the rear groove 15, passes through the topsheet 12 further behind the sanitary napkin 10, and is absorbed and retained by the absorbent sheet 13. It When the body fluid that has migrated through the absorption section A reaches the front grooves 16, 16 and the rear groove 15,
The front grooves 16, 16 and the rear groove 15 prevent the transition to the outside of the front grooves 16, 16 and the rear groove 15, and are absorbed by the absorbent sheet 13 around the front grooves 16, 16 and the rear groove 15. Retained.
【００２３】この様に、本実施形態の生理用ナプキン１
０によると、排泄部当接部１０ａの肌当接面Ｐに、一対
の前方溝１６，１６が生理用ナプキン１０の長手方向に
形成されているので、肌当接面Ｐ上及び吸収部Ａ内の体
液の幅方向の移行が前方溝１６，１６によって阻止さ
れ、横漏れが防止される。また、仰臥時において体液の
後方部１０ｂへ移行が良好に促進され、仰臥時において
も体液の横漏れが良好に防止される。本実施形態の生理
用ナプキン１０によると、排泄部当接部１０ａの肌当接
面Ｐに、一対の前方溝１６，１６が生理用ナプキン１０
の長手方向に沿って形成されているので、装着時に排泄
部当接部１０ａが断面アーチ状になって装着者に良好に
フィッし、排泄された体液が確実に排泄部当接部１０ａ
から吸収され、前方溝１６，１６や後方溝１５に至る体
液の量が少なく抑えられる。本実施形態の生理用ナプキ
ン１０によると、一対の前方溝１６，１６の生理用ナプ
キン１０の幅方向における最内側部どうしの距離Ｗ
1 が、後方溝１５の生理用ナプキン１０の幅方向におけ
る最外側部間の距離Ｗ2 よりも短くなっているので、前
方溝１６，１６において幅方向の移行を阻止された体液
が確実に後方溝１５へ誘導され、確実に後方溝１５で後
ろ漏れを防止することができる。Thus, the sanitary napkin 1 of this embodiment is
According to 0, since a pair of front grooves 16 and 16 are formed in the skin contact surface P of the excretion part contact portion 10a in the longitudinal direction of the sanitary napkin 10, on the skin contact surface P and the absorption portion A. The transfer of the body fluid in the width direction in the width direction is blocked by the front grooves 16 and 16, and side leakage is prevented. Further, the transfer of body fluid to the rear portion 10b is favorably promoted during supine posture, and lateral leakage of body fluid is favorably prevented even during supine posture. According to the sanitary napkin 10 of the present embodiment, the pair of front grooves 16, 16 are provided on the skin contact surface P of the excretion part contact portion 10a.
Since it is formed along the longitudinal direction of the excretion portion abutment portion 10a when worn, the excretion portion abutment portion 10a has an arch-shaped cross section and fits well to the wearer, and excreted body fluid is surely discharged.
The amount of body fluid that is absorbed from the front grooves 16 and 16 and reaches the rear groove 15 is suppressed to a small amount. According to the sanitary napkin 10 of the present embodiment, the distance W between the innermost portions of the pair of front grooves 16, 16 in the width direction of the sanitary napkin 10.
Since 1 is shorter than the distance W 2 between the outermost portions of the rear groove 15 in the width direction of the sanitary napkin 10, the body fluid that has been prevented from shifting in the width direction in the front grooves 16 and 16 is surely rearward. Guided to the groove 15, the rear groove 15 can reliably prevent back leakage.
【００２４】また、本実施形態の生理用ナプキン１０に
よると、上記前方溝１６，１６は、平面視生理用ナプキ
ン１０の長手方向内側へ向けて凸型の円弧状に左右対称
に形成されており、且つこれらの前方溝１６，１６の生
理用ナプキン１０の幅方向における最内側部どうしの距
離Ｗ1 が２０〜５０ｍｍとなっているので、装着時に排
泄部当接部１０ａが特に良好に装着者にフィットし、排
泄された体液がより確実に排泄部当接部１０ａから吸収
され前方溝１６，１６や後方溝１５に至る体液の量が一
層が少なく抑えられる。更には、本実施形態の生理用ナ
プキン１０によると、上記前方溝１６，１６の幅方向に
おける最内側部どうしの距離Ｗ1 が２０〜５０ｍｍとな
っており、前方溝１６，１６の幅方向外側に吸収部Ａが
配置されているので、前方溝１６，１６から溢れた体液
が生理用ナプキン１０の長手方向に沿う両側縁部に至る
前に吸収部Ａに吸収され、横漏れが回避される。Further, according to the sanitary napkin 10 of the present embodiment, the front grooves 16, 16 are formed symmetrically in a convex arc shape toward the inner side in the longitudinal direction of the sanitary napkin 10 in plan view. Moreover, since the distance W 1 between the innermost portions of the front grooves 16 and 16 in the width direction of the sanitary napkin 10 is 20 to 50 mm, the excretion portion contact portion 10a is particularly favorably worn by the wearer. And the excreted body fluid is more reliably absorbed from the excretion portion contact portion 10a, and the amount of the body fluid reaching the front grooves 16, 16 and the rear groove 15 is further reduced. Furthermore, according to the sanitary napkin 10 of the present embodiment, the distance W 1 between the innermost portions of the front grooves 16, 16 in the width direction is 20 to 50 mm, and the front grooves 16, 16 are outside in the width direction. Since the absorbent portion A is disposed in the front groove 16, the body fluid overflowing from the front grooves 16 and 16 is absorbed by the absorbent portion A before reaching the both side edges along the longitudinal direction of the sanitary napkin 10, and side leakage is avoided. .
【００２５】本実施形態の生理用ナプキン１０による
と、後方部１０ｂに、後方溝１５の後方部１５ｂが上記
生理用ナプキン１０の幅方向に形成されているので、肌
当接面Ｐ上及び吸収部Ａ内の体液の長手方向の移行が後
方溝１５の後方部１５ｂによって阻止され、後ろ漏れが
防止される。本実施形態の生理用ナプキン１０による
と、後方溝１５の最後方部１５ａと吸収部Ａの後端との
距離Ｌが１０〜５０ｍｍとなっているので、後方溝１５
から溢れた体液が生理用ナプキン１０の後端に至る前に
吸収部Ａに吸収され、後ろ漏れが回避される。According to the sanitary napkin 10 of the present embodiment, since the rear portion 15b of the rear groove 15 is formed in the rear portion 10b in the width direction of the sanitary napkin 10, the skin contact surface P and the absorption surface are absorbed. The longitudinal movement of the body fluid in the portion A is blocked by the rear portion 15b of the rear groove 15, and rear leakage is prevented. According to the sanitary napkin 10 of the present embodiment, since the distance L between the rearmost portion 15a of the rear groove 15 and the rear end of the absorbing portion A is 10 to 50 mm, the rear groove 15
The body fluid overflowing from the body is absorbed by the absorbing portion A before reaching the rear end of the sanitary napkin 10, and back leakage is avoided.
【００２６】本実施形態の生理用ナプキン１０による
と、後方溝１５の側方部１５ｃ，１５ｃによって、後方
部１０ｂにおいても横漏れが回避される。本実施形態の
生理用ナプキン１０によると、後方溝１５が生理用ナプ
キン１０の長手方向の両側縁部に沿う側方部１５ｃ，１
５ｃを備えているので、装着時に後方部１０ｂも装着者
に良好にフィッし、排泄された体液が装着者の皮膚を伝
わって移行するのが回避され、後方溝１５の後方部１５
ｂに至る体液の量が少なく抑えられる。本実施形態の生
理用ナプキン１０によると、後方溝１５が前方溝１６，
１６と連設されているので、広範囲において余すところ
なく体液の漏れが回避される。また、本実施形態の生理
用ナプキン１０によると、後方溝１５及び前方溝１６，
１６が、非連続で複数の小溝を連続させることにより形
成されされているので、長手方向及び後方部の幅方向に
おいて良好な可撓性が確保され、より良好なフィット性
により後漏れ、横漏れが回避される。本実施形態の生理
用ナプキン１０によると、後方溝１５及び前方溝１６，
１６が全て同一の溝加工を肌当接面Ｐ側から施すことに
より形成されるので、一度の工程で全ての溝を形成させ
ることが可能である。According to the sanitary napkin 10 of the present embodiment, the lateral portions 15c, 15c of the rear groove 15 prevent lateral leakage even in the rear portion 10b. According to the sanitary napkin 10 of the present embodiment, the rear groove 15 has side portions 15c, 1 along both side edges of the sanitary napkin 10 in the longitudinal direction.
5c is provided, the rear part 10b also fits well to the wearer at the time of wearing, and excreted body fluid is prevented from transferring through the wearer's skin, and the rear part 15 of the rear groove 15 is provided.
The amount of body fluid reaching b can be suppressed to a small amount. According to the sanitary napkin 10 of the present embodiment, the rear groove 15 is the front groove 16,
Since it is connected to 16, the body fluid is prevented from leaking over a wide area. Further, according to the sanitary napkin 10 of the present embodiment, the rear groove 15 and the front groove 16,
Since 16 is formed by connecting a plurality of small grooves in a discontinuous manner, good flexibility is secured in the longitudinal direction and the width direction of the rear portion, and post-leakage and side-leakage due to better fit. Is avoided. According to the sanitary napkin 10 of the present embodiment, the rear groove 15 and the front groove 16,
Since all 16 are formed by performing the same groove processing from the skin contact surface P side, it is possible to form all the grooves in one step.
【００２７】次に、本発明の吸収性物品の第２の実施形
態について図面を参照しながら具体的に説明する。尚、
本実施形態に於いて図１乃至図３に示す第１の実施形態
と同様の部材については同一の符号を付し、説明は省略
する。図４は、本発明の吸収性物品の第２の実施形態と
しての生理用ナプキンを示す斜視図である。Next, a second embodiment of the absorbent article of the present invention will be specifically described with reference to the drawings. still,
In this embodiment, the same members as those in the first embodiment shown in FIGS. 1 to 3 are designated by the same reference numerals, and the description thereof will be omitted. FIG. 4 is a perspective view showing a sanitary napkin as a second embodiment of the absorbent article of the present invention.
【００２８】本実施形態の生理用ナプキン２０において
は、図４に示すように、後方溝２５，２５は、生理用ナ
プキン２０の幅方向中央部を除いて左右に一対形成され
ている。これらの後方溝２５，２５は、各前方溝１６，
１６に１本ずつ連設されている。これらの後方溝２５，
２５の最後方部２５ａ，２５ａどうしの距離Ｗ3 は、後
方への漏れを良好に防止するためには、３ｃｍ以内が好
ましく、１ｃｍ以内がより好ましい。後方溝２５が幅方
向中央部に配設されずに２本になっている以外は上述の
第１の実施形態と同じである。本実施形態においても、
上述の第１の実施形態と同様の作用及び効果を得ること
ができる。特に、本実施形態によると、後方溝２５が最
後方部２５ａ，２５ａどうしが該距離をおいた一対に形
成されているので、最後方部２５ａ，２５ａ間が装着時
に盛り上がって、臀部の形状にフィットし、優れた漏れ
防止及び肌当たり性が発揮される効果を得ることができ
る。In the sanitary napkin 20 of this embodiment, as shown in FIG. 4, a pair of rear grooves 25, 25 are formed on the left and right except for the central portion in the width direction of the sanitary napkin 20. These rear grooves 25, 25 are the front grooves 16,
16 are connected one by one. These rear grooves 25,
Rearmost portion 25a, the distance W 3 of to what 25a of 25, in order to better prevent leakage to the rear, is preferably within 3 cm, more preferably within 1 cm. It is the same as the above-described first embodiment except that the rear groove 25 is not provided in the center portion in the width direction and has two grooves. Also in this embodiment,
The same operation and effect as those of the above-described first embodiment can be obtained. In particular, according to the present embodiment, the rear groove 25 is formed in a pair with the rearmost portions 25a, 25a spaced apart from each other, so that the space between the rearmost portions 25a, 25a rises during mounting to form the shape of the buttocks. It is possible to obtain the effect of being fit and exhibiting excellent leakage prevention and skin contact.
【００２９】次に、本発明の吸収性物品の第３の実施形
態について図面を参照しながら具体的に説明する。尚、
本実施形態に於いて図１及び図２に示す第１の実施形態
と同様の部材については同一の符号を付し、説明は省略
する。図５は、本発明の吸収性物品の第３の実施形態と
しての生理用ナプキンを示す斜視図である。Next, a third embodiment of the absorbent article of the present invention will be specifically described with reference to the drawings. still,
In this embodiment, the same members as those in the first embodiment shown in FIGS. 1 and 2 are designated by the same reference numerals, and the description thereof will be omitted. FIG. 5 is a perspective view showing a sanitary napkin as a third embodiment of the absorbent article of the present invention.
【００３０】本実施形態の生理用ナプキン３０において
は、図５に示すように、生理用ナプキン３０の長手方向
に沿う両側縁部に、生理用ナプキン３０を長手方向に所
定長に亘って収縮させて生理用ナプキン３０の形状を上
記肌当接面Ｐ側が凹状の湾曲形状となす弾性部材３７，
３７を備えている。In the sanitary napkin 30 of the present embodiment, as shown in FIG. 5, the sanitary napkin 30 is contracted along the longitudinal direction of the sanitary napkin 30 over a predetermined length in the longitudinal direction. Elastic member 37 that forms the shape of the sanitary napkin 30 into a curved shape having a concave shape on the skin contact surface P side,
37 are provided.
【００３１】本実施形態について詳述すると、上記弾性
部材３７，３７は、伸張された状態で吸収部Ａ及び表面
シート１２間に固定されており、弾性部材３７，３７が
収縮して生理用ナプキン３０の形状が上記肌当接面Ｐ側
が凹状の湾曲形状となっている。上記弾性部材３７，３
７としては、ポリウレタンやポリブタジエン、イソプレ
ン等のゴム系、エチレン−酢酸ビニル、伸縮性を有する
ポリオレフィン系の重合体よりなるフィルム、繊維、発
泡体等を用いることができる。この弾性部材３７，３７
は、装着感を悪化させることなく生理用ナプキン３０を
良好に装着者にフィットする形状に形成させるために
は、伸張率３０％伸張時の応力が１０〜３００ｇｆのも
のが好ましい。尚、上記伸張率は、伸張され増加した分
の長さの自然長に対する割合であり、例えば、自然長１
００ｃｍのものを２００ｃｍに伸張した場合その伸張率
は１００％である。弾性部材３７，３７を備えている以
外は上述の第１の実施形態と同じである。To explain this embodiment in detail, the elastic members 37, 37 are fixed between the absorbent section A and the topsheet 12 in a stretched state, and the elastic members 37, 37 contract to cause a sanitary napkin. The shape of 30 is a curved shape in which the skin contact surface P side is concave. The elastic members 37, 3
As 7, a rubber-based material such as polyurethane, polybutadiene, or isoprene, a film made of ethylene-vinyl acetate, a stretchable polyolefin-based polymer, a fiber, a foam, or the like can be used. This elastic member 37, 37
In order to form the sanitary napkin 30 into a shape that fits the wearer satisfactorily without deteriorating the feeling of wearing, it is preferable that the stress when the stretching rate is 30% is 10 to 300 gf. The expansion rate is a ratio of the length of the expanded and increased portion to the natural length, for example, natural length 1
When a 00 cm piece is stretched to 200 cm, the extension rate is 100%. It is the same as the above-described first embodiment except that the elastic members 37, 37 are provided.
【００３２】本実施形態においても、上述の第１の実施
形態と同様の作用及び効果を得ることができる。特に本
実施形態の生理用ナプキン３０によると、生理用ナプキ
ン３０がその長手方向においても装着者にフィットする
ので、体液が装着者の皮膚を伝わるのが回避されるの
で、より良好に前方溝１６，１６や後方溝１５の機能が
発揮され更に一層体液の横漏れや後ろ漏れが回避され
る。Also in this embodiment, the same operation and effect as those of the above-described first embodiment can be obtained. Particularly, according to the sanitary napkin 30 of the present embodiment, since the sanitary napkin 30 fits the wearer even in the longitudinal direction, it is possible to prevent the body fluid from being transmitted to the wearer's skin, so that the front groove 16 can be more favorably provided. , 16 and the rear groove 15 are exerted to further prevent side leakage and rear leakage of body fluid.
【００３３】次に、本発明の吸収性物品の第４の実施形
態について図面を参照しながら具体的に説明する。尚、
本実施形態に於いて図１乃至図３に示す第１の実施形態
と同様の部材については同一の符号を付し、説明は省略
する。図６は、本発明の吸収性物品の第４の実施形態と
しての生理用ナプキンを示す斜視図である。Next, a fourth embodiment of the absorbent article of the present invention will be specifically described with reference to the drawings. still,
In this embodiment, the same members as those in the first embodiment shown in FIGS. 1 to 3 are designated by the same reference numerals, and the description thereof will be omitted. FIG. 6 is a perspective view showing a sanitary napkin as a fourth embodiment of the absorbent article of the present invention.
【００３４】本実施形態の生理用ナプキン４０において
は、図６に示すように、生理用ナプキン４０の長手方向
に沿う側縁部に防漏壁４８ａが形成されている。本実施
形態について詳述すると、本実施形態においては、生理
用ナプキン４０がフラップ４８を備えている。このフラ
ップ４８は、生理用ナプキン４０の長手方向に沿う側縁
部に沿って配置されて表面シート１２に対面する防漏壁
４８ａを有しており、表面シート１２と防漏面４８ｂと
によってサイドポケットＳが形成されている。更に、こ
のフラップ４８は、表面シート１２側において肌当接面
Ｐと平行に配置される防漏面４８ｂを有している。この
防漏面４８ｂには防漏面保持弾性部材４９が配設されて
おり、上記防漏面４８ｂが確実に肌当接面Ｐに平行に保
持されるようになっている。上記フラップ４８の更に詳
細な例については、特開平８−１８２７０２号公報に記
載の吸収性物品、特開平８−２２４２７１号公報に記載
の吸収性物品、及び特開平８−２２４２７１号公報に記
載の吸収性物品を参照することができる。本実施形態に
フラップ４８が備えられ防漏壁４８ａ及び防漏面４８ｂ
が形成されていること及びこの防漏面４８ｂに防漏面保
持弾性部材４９が配設されていること以外は上述の第１
の実施形態と同じである。In the sanitary napkin 40 of this embodiment, as shown in FIG. 6, a leak preventive wall 48a is formed at a side edge portion along the longitudinal direction of the sanitary napkin 40. Explaining this embodiment in detail, in this embodiment, the sanitary napkin 40 includes a flap 48. The flap 48 has a leak preventive wall 48a which is arranged along a side edge portion along the longitudinal direction of the sanitary napkin 40 and faces the topsheet 12, and is provided with a side wall by the topsheet 12 and the leakproof surface 48b. A pocket S is formed. Further, the flap 48 has a leak-proof surface 48b arranged parallel to the skin contact surface P on the side of the topsheet 12. A leak-proof surface holding elastic member 49 is disposed on the leak-proof surface 48b so that the leak-proof surface 48b is securely held parallel to the skin contact surface P. For more detailed examples of the flap 48, the absorbent article described in JP-A-8-182702, the absorbent article described in JP-A-8-224271, and the JP-A-8-224271 are described. Reference can be made to absorbent articles. The flap 48 is provided in the present embodiment, and the leakproof wall 48a and the leakproof surface 48b are provided.
Except that the leak-proof surface holding elastic member 49 is provided on the leak-proof surface 48b.
Is the same as the embodiment of.
【００３５】本実施形態においても、上述の第１の実施
形態と同様の作用及び効果を得ることができる。特に本
実施形態によると、フラップにより形成された防漏壁４
８ａにより更に横漏れが確実に回避される。また、防漏
壁４８ａからの折り返しによってサイドポケットＳが形
成されるのでこのサイドポケットＳによっても、横漏れ
が回避される。また、防漏面４８ａが装着者の肌に沿っ
て広がった状態で保持されるので、サイドポケットＳの
形状が安定して保持され、また吸収部Ａのよれが抑制さ
れる。Also in this embodiment, the same operation and effect as those of the above-described first embodiment can be obtained. Particularly according to this embodiment, the leak-proof wall 4 formed by the flaps
Lateral leakage is further reliably prevented by 8a. Further, since the side pocket S is formed by being folded back from the leak preventive wall 48a, the side pocket S also prevents side leakage. Further, since the leak-proof surface 48a is held in a state where it spreads along the wearer's skin, the shape of the side pocket S is stably held, and the wrinkling of the absorbent portion A is suppressed.
【００３６】次に、本発明の吸収性物品の第５の実施形
態について図面を参照しながら具体的に説明する。尚、
本実施形態に於いて図１乃至図３に示す第１の実施形態
と同様の部材については同一の符号を付し、説明は省略
する。図７は、本発明の吸収性物品の第４の実施形態と
しての男性用失禁パッドを示す平面図である。Next, a fifth embodiment of the absorbent article of the present invention will be specifically described with reference to the drawings. still,
In this embodiment, the same members as those in the first embodiment shown in FIGS. 1 to 3 are designated by the same reference numerals, and the description thereof will be omitted. FIG. 7 is a plan view showing a male incontinence pad as a fourth embodiment of the absorbent article of the present invention.
【００３７】本実施形態の男性用失禁パッド５０は、図
７に示すように、肌当接面Ｐを形成する表面シート５２
と、非肌当接面を形成する裏面シート、及び該肌当接面
Ｐ及び該非肌当接面の間に介在された吸収部Ａ’は、い
ずれも長手方向の中央部Ｃが括れた断面砂時計状をして
おり、中央部Ｃよりも前方側が排泄部当接部５０ａとな
っている。As shown in FIG. 7, the male incontinence pad 50 of this embodiment has a surface sheet 52 forming a skin contact surface P.
And a back sheet that forms a non-skin contact surface, and an absorbent portion A ′ interposed between the skin contact surface P and the non-skin contact surface are all cross-sections in which the central portion C in the longitudinal direction is constricted. It has an hourglass shape, and the excretion portion contact portion 50a is located in front of the central portion C.
【００３８】本実施形態の男性用失禁パッド５０は、中
央部Ｃが股下に当接され、前方溝１６は装着者の前方に
配置された状態で装着される。装着状態においては、排
泄部当接部５０ａに側方から幅方向の力が加えられ、上
記排泄部当接部５０ａは、前方溝１６，１６において屈
曲し、前方溝１６，１６間が非肌当接面Ｐ側に隆起した
断面アーチ状となって、装着者に良好にフィットした状
態で当接される。そして、上記第１の実施形態と同様
に、後漏れ、横漏れが回避される。このように、排泄部
当接部が上記第１の実施形態乃至第４の実施形態の如く
股下部に配置されない吸収性物品においても、前方溝及
び後方溝により良好なフィットを得、且つ後漏れ、横漏
れを回避することができる。In the male incontinence pad 50 of this embodiment, the central portion C is brought into contact with the crotch and the front groove 16 is mounted in a state of being arranged in front of the wearer. In the mounted state, a lateral force is applied to the excretion portion contact portion 50a from the side, and the excretion portion contact portion 50a bends in the front grooves 16 and 16, and the front groove portions 16 and 16 are non-skin. It has an arcuate cross-section that bulges toward the contact surface P, and contacts the wearer with a good fit. Then, as in the first embodiment, post-leakage and side leakage are avoided. As described above, even in the absorbent article in which the excretion portion contact portion is not arranged in the crotch portion as in the first embodiment to the fourth embodiment, a good fit is obtained by the front groove and the rear groove, and the post-leakage occurs. , Side leakage can be avoided.
【００３９】尚、本発明の吸収性物品は、上述の形態に
は何ら制限されず、本発明の趣旨を逸脱しない範囲で種
々変更が可能である。例えば、本発明の吸収性物品にお
ける後方溝は、上記各実施形態のように前端から後端ま
での一本の連続した溝に限られず、図８に示すように、
数箇所において非連続に形成された後方溝６５とするこ
ともできる。また、図９に示すように、後方溝７５を、
頂点が幅方向中央に配置された略く字形のものとするこ
ともできる。この後方溝７５を生理用ナプキン７０の長
手方向に直列に複数配設することによって、上記第１の
実施形態の後方溝１５や第２の実施形態の後方溝２５に
おける側方部１５ｃ，２５ｃと同様の作用により、後方
部１０ｂにおける横漏れも回避することができる。ま
た、後方溝は、上述のように小溝を連結したものでな
く、連続して溝加工を施された均一の深さの後方溝とす
ることもできる。また、上述の実施形態のように長手方
向において分割された非連続複数の小溝により形成した
場合に、小溝の形状等は特に限定されない。図１０に示
すように、前方溝１６，１６と後方溝１５とは連続して
いないものとしたり、図１１に示すように、前方溝それ
ぞれの前端どうしをつなぐ前方溝９９を設けることもで
きる。The absorbent article of the present invention is not limited to the above-mentioned form and can be variously modified without departing from the gist of the present invention. For example, the rear groove in the absorbent article of the present invention is not limited to one continuous groove from the front end to the rear end as in the above embodiments, and as shown in FIG.
The rear groove 65 may be formed discontinuously at several points. Further, as shown in FIG. 9, the rear groove 75 is
It is also possible to have a substantially V-shape with the apex arranged at the center in the width direction. By arranging a plurality of the rear grooves 75 in series in the longitudinal direction of the sanitary napkin 70, the side grooves 15c and 25c in the rear groove 15 of the first embodiment and the rear groove 25 of the second embodiment are formed. By the same action, it is possible to avoid lateral leakage in the rear portion 10b. Further, the rear groove may be a rear groove having a uniform depth, which is not formed by connecting the small grooves as described above but is continuously processed. In addition, when formed by a plurality of discontinuous small grooves divided in the longitudinal direction as in the above-described embodiment, the shape of the small grooves is not particularly limited. As shown in FIG. 10, the front grooves 16, 16 and the rear groove 15 may not be continuous, or, as shown in FIG. 11, a front groove 99 may be provided to connect the front ends of the front grooves.
【００４０】また、吸収部は、上述の実施形態の如く吸
収シートのみにより構成してもよいが、他の吸収シート
や高吸収性ポリマーや他の吸収部材を併用したり、より
厚い吸収体により構成することもできる。尚、吸収部Ａ
の厚みは、１．５〜１５ｍｍとするのが好ましい。吸収
性物品は、図８乃至図１０に示すように、ウイングのな
い生理用ナプキン６０，７０，８０はもちろん、図７に
示すような失禁用パッド５０、パンティーライナー、紙
オムツ等とすることもできる。Further, the absorbing portion may be constituted only by the absorbing sheet as in the above-mentioned embodiment, but other absorbing sheet, superabsorbent polymer or other absorbing member may be used in combination, or a thicker absorber may be used. It can also be configured. Absorption part A
The thickness is preferably 1.5 to 15 mm. As shown in FIGS. 8 to 10, the absorbent article may be sanitary napkins 60, 70, 80 without wings, or incontinence pad 50, panty liner, diaper, etc. as shown in FIG. it can.
【００４１】[0041]
【発明の効果】以上説明した様に、本発明の吸収性物品
は、横漏れ及び後ろ漏れを良好に防止することができ
る。As described above, the absorbent article of the present invention can favorably prevent side leakage and back leakage.
【図１】本発明の吸収性物品の第１の実施形態としての
生理用ナプキンを示す平面図である。FIG. 1 is a plan view showing a sanitary napkin as a first embodiment of an absorbent article of the present invention.
【図２】図１の生理用ナプキンを示す要部平面図であ
る。FIG. 2 is a plan view of relevant parts showing the sanitary napkin of FIG.
【図３】図２のＩ−Ｉ断面図である。3 is a cross-sectional view taken along the line I-I of FIG.
【図４】本発明の吸収性物品の第２の実施形態としての
生理用ナプキンを示す平面図である。FIG. 4 is a plan view showing a sanitary napkin as a second embodiment of the absorbent article of the present invention.
【図５】本発明の吸収性物品の第３の実施形態としての
生理用ナプキンを示す斜視図である。FIG. 5 is a perspective view showing a sanitary napkin as a third embodiment of the absorbent article of the present invention.
【図６】本発明の吸収性物品の第４の実施形態としての
生理用ナプキンを示す断面斜視図である。FIG. 6 is a sectional perspective view showing a sanitary napkin as a fourth embodiment of the absorbent article of the present invention.
【図７】本発明の吸収性物品の第５の実施形態としての
男性用失禁パッドを示す平面図である。FIG. 7 is a plan view showing a male incontinence pad as a fifth embodiment of the absorbent article of the present invention.
【図８】本発明の吸収性物品の他の実施形態としての生
理用ナプキンを示す平面図である。FIG. 8 is a plan view showing a sanitary napkin as another embodiment of the absorbent article of the present invention.
【図９】本発明の吸収性物品の他の実施形態としての生
理用ナプキンを示す平面図である。FIG. 9 is a plan view showing a sanitary napkin as another embodiment of the absorbent article of the present invention.
【図１０】本発明の吸収性物品の他の実施形態としての
生理用ナプキンを示す平面図である。FIG. 10 is a plan view showing a sanitary napkin as another embodiment of the absorbent article of the present invention.
【図１１】本発明の吸収性物品の他の実施形態としての
生理用ナプキンを示す平面図である。FIG. 11 is a plan view showing a sanitary napkin as another embodiment of the absorbent article of the present invention.
１０ 生理用ナプキン（吸収性物品） １０ａ 排泄部当接部 １０ｂ 後方部 １１ 裏面シート １２ 表面シート １３ 吸収シート １４ ウイング １４ａ ズレ止め部 １５ 後方溝 １５ａ 最後方部 １５ｂ 後方部 １５ｃ 側方部 １６ 前方溝 ２０ 生理用ナプキン（吸収性物品） ２５ 後方溝 ２５ａ 最後方部 ２５ｂ 後方部 ２５ｃ 側方部 ３０ 生理用ナプキン（吸収性物品） ３７ 弾性部材 ４０ 生理用ナプキン（吸収性物品） ４８ フラップ ４８ａ 防漏壁 ４８ｂ 防漏面 ４９ 防漏面保持弾性部材 ５０ 男性用失禁パッド（吸収性物品） ５０ａ 排泄部当接部 ５０ｂ 後方部 ６０ 生理用ナプキン（吸収性物品） ６５ 後方溝 ６５ａ 最後方部 ６５ｂ 後方部 ６５ｃ 側方部 ７０ 生理用ナプキン（吸収性物品） ７５ 後方溝 ７５ａ 最後方部 ８０ 生理用ナプキン（吸収性物品） ８５ 後方溝 ９０ 生理用ナプキン（吸収性物品） ９９ 前方溝 Ｐ 肌当接面 Ｉ 非肌当接面 10 Sanitary napkins (absorbent articles) 10a excretion part contact part 10b rear part 11 Back sheet 12 Surface sheet 13 Absorption sheet 14 wings 14a Misalignment prevention part 15 rear groove 15a last part 15b rear part 15c side part 16 front groove 20 Sanitary napkins (absorbent articles) 25 rear groove 25a last part 25b rear part 25c side part 30 Sanitary napkins (absorbent articles) 37 Elastic member 40 Sanitary napkins (absorbent articles) 48 flaps 48a leakproof wall 48b Leakage prevention surface 49 Leak-proof surface-holding elastic member 50 Men's incontinence pad (absorbent article) 50a excretion part contact part 50b rear part 60 Sanitary napkins (absorbent articles) 65 rear groove 65a Last part 65b rear part 65c side part 70 Sanitary napkins (absorbent articles) 75 rear groove 75a last part 80 Sanitary napkins (absorbent articles) 85 rear groove 90 Sanitary napkins (absorbent articles) 99 front groove P skin contact surface I Non-skin contact surface
───────────────────────────────────────────────────── フロントページの続き (72)発明者 近藤 幸 栃木県芳賀郡市貝町赤羽2606 花王株式会 社研究所内 (72)発明者 濱島 美次 栃木県芳賀郡市貝町赤羽2606 花王株式会 社研究所内 (72)発明者 中西 稔 栃木県芳賀郡市貝町赤羽2606 花王株式会 社研究所内 Ｆターム(参考） 3B029 BA02 BA03 4C003 AA03 AA04 BA03 4C098 AA09 CC02 CC03 CC05 CC10 CC27 CC37 DD05 DD06 DD23 DD25 DD26 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Yukiko Kondo Kao Stock Exchange 2606, Akabane, Kai-cho, Haga-gun, Tochigi Prefecture Company research institute (72) Inventor Mitsuji Hamajima Kao Stock Exchange 2606, Akabane, Kai-cho, Haga-gun, Tochigi Prefecture Company research institute (72) Inventor Minoru Nakanishi Kao Stock Exchange 2606, Akabane, Kai-cho, Haga-gun, Tochigi Prefecture Company research institute F-term (reference) 3B029 BA02 BA03 4C003 AA03 AA04 BA03 4C098 AA09 CC02 CC03 CC05 CC10 CC27 CC37 DD05 DD06 DD23 DD25 DD26
Claims (6)
肌当接面と、該肌当接面及び該非肌当接面の間に介在さ
れた吸収部とを備え、実質的に縦長に形成されてなる吸
収性物品において、 装着時に装着者の体液排泄部に当接される排泄部当接部
の上記肌当接面に、上記吸収性物品の長手方向に沿って
形成された一対の前方溝を有しており、 装着時に装着者の後ろ側に当接される後方部の上記肌当
接面に、上記吸収性物品の幅方向に沿って形成された後
方溝を有しており、 上記後方溝の最後方部と上記吸収部の後端との距離が１
０〜５０ｍｍであり、 一対の上記前方溝の上記吸収性物品の幅方向における最
内側部どうしの距離は、上記後方溝の上記吸収性物品の
幅方向における最外側部間の距離よりも短いことを特徴
とする吸収性物品。1. A liquid-permeable skin contacting surface, a liquid-impermeable non-skin contacting surface, and an absorbing part interposed between the skin contacting surface and the non-skin contacting surface, In an absorbent article that is formed substantially vertically long, along the longitudinal direction of the absorbent article, on the skin contact surface of the excretion section contact section that contacts the body fluid excretion section of the wearer when worn. A pair of front grooves formed, and a rear groove formed along the width direction of the absorbent article on the skin contacting surface of the rear part that contacts the back side of the wearer during wearing. And the distance between the rearmost part of the rear groove and the rear end of the absorbing part is 1
0 to 50 mm, and the distance between the innermost portions of the pair of front grooves in the width direction of the absorbent article is shorter than the distance between the outermost portions of the rear grooves in the width direction of the absorbent article. An absorbent article characterized by:
方向における最内側部どうしの距離は、２０〜５０ｍｍ
であることを特徴とする請求項１に記載の吸収性物品。2. The distance between the innermost portions of the pair of front grooves in the width direction of the absorbent article is 20 to 50 mm.
The absorbent article according to claim 1, wherein:
における内方へ向けて凸形の円弧状に形成されているこ
とを特徴とする請求項１に記載の吸収性物品。3. The absorbent article according to claim 1, wherein each of the pair of front grooves is formed in an arc shape that is convex inward in the width direction.
１０ｍｍであり、かつ上記前方溝及び上記後方溝の形成
されている部分の厚さの、いずれの溝も形成されていな
い部分の厚さに対する比が０．０５〜０．７であること
を特徴とする請求項１に記載の吸収性物品。4. The depth of the front groove and the rear groove is 1 to
It is 10 mm, and the ratio of the thickness of the portion where the front groove and the rear groove are formed to the thickness of the portion where none of the grooves is formed is 0.05 to 0.7. The absorbent article according to claim 1.
部に、該吸収性物品を長手方向に所定長に亘って収縮さ
せて該吸収性物品の形状を上記肌当接面側が凹状の湾曲
形状となす弾性部材を備えていることを特徴とする請求
項１に記載の吸収性物品。5. The absorbent article is contracted over a predetermined length in the longitudinal direction at both side edges along the longitudinal direction of the absorbent article so that the shape of the absorbent article is concave on the skin contact surface side. The absorbent article according to claim 1, comprising an elastic member having a curved shape.
部に防漏壁が形成されていることを特徴とする請求項１
に記載の吸収性物品。6. The leak preventive wall is formed at both side edges along the longitudinal direction of the absorbent article.
The absorbent article according to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003048000A JP2003265524A (en) | 2003-02-25 | 2003-02-25 | Absorbent article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003048000A JP2003265524A (en) | 2003-02-25 | 2003-02-25 | Absorbent article |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP32043996A Division JP3604520B2 (en) | 1996-11-29 | 1996-11-29 | Absorbent articles |
Related Child Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006274127A Division JP4439504B2 (en) | 2006-10-05 | 2006-10-05 | Sanitary napkin |
| JP2006274128A Division JP4315970B2 (en) | 2006-10-05 | 2006-10-05 | Absorbent articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003265524A true JP2003265524A (en) | 2003-09-24 |
| JP2003265524A5 JP2003265524A5 (en) | 2004-08-26 |
Family
ID=29208482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003048000A Pending JP2003265524A (en) | 2003-02-25 | 2003-02-25 | Absorbent article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003265524A (en) |
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