JP4979780B2 - Sanitary napkin - Google Patents

Sanitary napkin Download PDF

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JP4979780B2
JP4979780B2 JP2010026233A JP2010026233A JP4979780B2 JP 4979780 B2 JP4979780 B2 JP 4979780B2 JP 2010026233 A JP2010026233 A JP 2010026233A JP 2010026233 A JP2010026233 A JP 2010026233A JP 4979780 B2 JP4979780 B2 JP 4979780B2
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leak
groove
proof
width
width direction
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JP2010099531A (en
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進介 長原
一光 古田
晴美 手塚
睦 黒田
稔 中西
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Kao Corp
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Kao Corp
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本発明は、漏れ防止性に優れ、しかも装着感にも優れた生理用ナプキンに関する。
The present invention relates to a sanitary napkin that is excellent in leak-proofing properties and excellent in wearing feeling.

従来より、漏れ防止性を向上させるために、液保持性の吸収層に防漏溝が形成された吸収性物品は、種々提案されている（例えば特許文献１参照）。
しかし、このような従来提案されている防漏溝を有する吸収性物品では、溝がないように見えてしまい、効果がないように見えて安心感がない場合がある。また、着用中によれてしまい、防漏溝がつぶれて、漏れてしまうという問題がある。 Conventionally, various absorbent articles in which a leak-proof groove is formed in a liquid-retaining absorbent layer have been proposed in order to improve leakage prevention (see, for example, Patent Document 1).
However, in the absorbent article having such a conventionally proposed leak-proof groove, it may appear that there is no groove, and there may be no sense of security because it appears to be ineffective. In addition, there is a problem that the leakage groove is crushed and leaks during wearing.

特開平９−１０８２６２号公報JP-A-9-108262

従って、本発明の目的は、防漏溝の視認性が良く、効果感・安心感があり、また、着用中によれても防漏溝がつぶれることがなく、漏れ防止性に優れた生理用ナプキンを提供することにある。
Therefore, the object of the present invention is to provide a good visibility of the leak-proof groove, there is an effect and a sense of security, and the leak-proof groove is not crushed even when worn, and it has excellent leak-proof properties . To provide a napkin .

本発明は、液保持性の吸収層及び液不透過性の防漏層を有し、実質的に縦長である吸収性物品において、前記吸収層の肌当接面側には、長手方向両側部に沿う一対の防漏溝と、幅方向に沿う幅方向防漏溝とが形成されており、前記防漏溝の幅は、前記幅方向防漏層の幅よりも広く形成されている吸収性物品を提供することにより、前記目的を達成したものである。   The present invention has a liquid-retaining absorbent layer and a liquid-impermeable leak-proof layer, and in a substantially vertically long absorbent article, the skin contact surface side of the absorbent layer is on both sides in the longitudinal direction. A pair of leak-proof grooves along the width direction and a width-direction leak-proof groove along the width direction are formed, and the width of the leak-proof groove is wider than the width of the width-direction leak-proof layer. The object is achieved by providing an article.

本発明の生理用ナプキンは、防漏溝の視認性が良く、効果感・安心感があり、また、着用中によれても防漏溝がつぶれることがなく、漏れ防止性に優れたものである。
The sanitary napkin of the present invention has good visibility of the leak-proof groove, has an effect and a sense of security, and does not collapse even when worn, and has excellent leak-proof characteristics. is there.

図１は、本発明の生理用ナプキンの一実施形態を示す一部破断平面図である。Figure 1 is a partially cutaway plan view showing one embodiment of a physiology napkin of the present invention. 図２は、図１のＸ部拡大図である。FIG. 2 is an enlarged view of a portion X in FIG. 図３は、図１のＹ部拡大図である。FIG. 3 is an enlarged view of a Y portion in FIG. 図４は、本発明の生理用ナプキンの他の実施形態を示す平面図である。FIG. 4 is a plan view showing another embodiment of the sanitary napkin of the present invention.

以下、本発明の好ましい一実施形態について説明する。
第１の実施形態の生理用ナプキンは、図１に示すように、液保持性の吸収層２及び液不透過性の防漏層３を有し、実質的に縦長である。
Hereinafter, a preferred embodiment of the present invention will be described.
Physiology napkin of the first embodiment, as shown in FIG. 1, has an absorption layer 2 and the liquid-impermeable leak-proof layer 3 of the liquid retention is substantially vertical.

本実施形態の生理用ナプキン１は、吸収層２が液透過性の表面シート２１と液保持性の吸収体２２とからなる。
また、表面シート２１は、その左右両側が、第１吸収体２３の裏面側に巻き込まれている。
また、防漏層３は、液不透過性の防漏シート３１からなる。
吸収層２と防漏層３とは、接着剤を介して接着されている。 In the sanitary napkin 1 of the present embodiment, the absorption layer 2 includes a liquid-permeable top sheet 21 and a liquid-retaining absorbent body 22.
Moreover, the left and right both sides of the surface sheet 21 are wound around the back surface side of the first absorber 23.
The leak-proof layer 3 includes a liquid-impervious leak-proof sheet 31.
The absorption layer 2 and the leak-proof layer 3 are bonded via an adhesive.

また、本実施形態の生理用ナプキン１は、防漏層３を幅方向外方に延出させて形成された左右一対のフラップ８が前方部側に偏寄されている。また、図示しないが、フラップ８の裏面側及び吸収層２が接着された防漏層３の裏面側には、粘着剤が塗布されて、物品固定部が形成されている。   In the sanitary napkin 1 of the present embodiment, a pair of left and right flaps 8 formed by extending the leak-proof layer 3 outward in the width direction are biased toward the front side. Moreover, although not shown in figure, the adhesive agent is apply | coated to the back surface side of the leak prevention layer 3 to which the back surface side of the flap 8 and the absorption layer 2 were adhere | attached, and the article fixing | fixed part is formed.

而して、本実施形態の生理用ナプキン１においては、吸収層２の肌当接面側には、長手方向に沿う一対の防漏溝６１と、幅方向に沿う幅方向防漏溝６４、６４'とが形成されており、防漏溝６１の幅は、幅方向防漏溝６４、６４'の幅よりも広く形成されている。具体的には、吸収性物品における使用時の***点を中心として長手方向に好ましくは３〜１５ｃｍ、より好ましくは３〜１０ｃｍ、さらに好ましくは５〜８ｃｍの領域の部分に位置する防漏溝６１の幅を、幅方向防漏溝６４の端部の幅よりも広くすることが好ましい。
従来の吸収性物品における防漏溝は、使用時の圧力により溝の深さ方向の上部位置あるいは中央位置において、溝の両サイド部が接触または接近して、***された液が移動しやすくなって溝の液止め効果が十分に発揮されない場合があったり、また、幅方向防漏溝に比べ防漏溝の防漏効果に対する印象が弱まることがあった。しかし、本実施形態においては、防漏溝６１の幅は、幅方向防漏溝６４の幅よりも広いので、防漏性に優れ、防漏溝６１の視認性が高まり、安心感が向上し、また、各防漏溝による剛性の向上により、前後左右の剛性のバランスが良好となり装着性に優れる。このような効果は、パルプやレーヨン等の親水性繊維、吸収性ポリマー、親水化処理された合成繊維、発泡体／集合体等から構成された吸収構造体の厚さが厚いもしくは坪量が高い場合に、より有効である。 Thus, in the sanitary napkin 1 of the present embodiment, on the skin contact surface side of the absorbent layer 2, a pair of leak-proof grooves 61 along the longitudinal direction and a width-direction leak-proof groove 64 along the width direction, 64 'is formed, and the width of the leak-proof groove 61 is wider than the width of the width-direction leak-proof grooves 64, 64'. Specifically, the leak-proof groove 61 is preferably 3-15 cm, more preferably 3-10 cm, more preferably 5-8 cm in the longitudinal direction around the excretion point during use in the absorbent article. Is preferably wider than the width of the end portion of the width direction leakage preventing groove 64.
The leak-proof groove in the conventional absorbent article makes it easy for the excreted liquid to move because the side portions of the groove contact or approach at the upper position or the center position in the depth direction of the groove due to the pressure during use. In some cases, the liquid stop effect of the groove may not be sufficiently exhibited, and the impression of the leakage prevention effect of the leakage prevention groove may be weaker than that of the width direction leakage prevention groove. However, in the present embodiment, since the width of the leak-proof groove 61 is wider than the width of the width-direction leak-proof groove 64, the leak-proof groove 61 is excellent in leak-proof property, the visibility of the leak-proof groove 61 is increased, and the sense of security is improved. In addition, by improving the rigidity by each leak-proof groove, the balance of rigidity in the front, rear, left and right becomes good and the wearability is excellent. Such an effect is due to the thick or high basis weight of the absorbent structure composed of hydrophilic fibers such as pulp and rayon, absorbent polymers, hydrophilized synthetic fibers, foams / aggregates, etc. More effective in some cases.

また、防漏溝６１の幅は、広い部分から狭い部分へ徐々に変化するか、狭い部分は、一定の幅であることが好ましい。そして本実施形態においては、これ以外の部位においては、幅の大小は制限されない。このように、防漏溝６１は、その全部の幅が幅方向防漏溝６４の端部幅より広い必要はなく、その一部が幅広であれば良い。   Moreover, it is preferable that the width of the leak-proof groove 61 gradually changes from a wide portion to a narrow portion, or the narrow portion has a constant width. And in this embodiment, the magnitude | size of a width | variety is not restrict | limited in parts other than this. Thus, the entire leakproof groove 61 does not have to be wider than the end width of the widthwise leakproof groove 64, and a part of the leakproof groove 61 only needs to be wide.

具体的には、防漏溝６１の最大幅（最も幅の広い部位の幅）は、２〜１２mmとするのが好ましく、４〜８mmとするのが更に好ましく、幅方向防漏溝６４の幅は、１〜８mmとするのが好ましく、２〜４mmとするのが更に好ましい。また、防漏溝６１の最大幅と幅方向防漏溝６４の幅との差は、１〜６mmとするのが好ましい。
前記最大幅を２〜１２ｍｍとすることで、溝による液止め効果が得られ、また十分な安心感を使用者に与えることができる。幅方向防漏溝６４の幅を１〜８ｍｍとすることで、前後方向の防漏効果がより向上する。差を１〜６ｍｍとすることにより、サイド／前後方向の液止め効果がより向上すると共に、可撓軸形成によるフィット性の阻害がない。
また、防漏溝６１は、着用者の***部当接領域で最大幅を有するように形成されている。ここで、***部当接領域は、着用者の***部に当接するように設計されている部位を意味する。本実施形態においては、フラップ８が存在する部分に対応する吸収層２とその前後方向近傍の部位が相当する。 Specifically, the maximum width of the leakage prevention groove 61 (the width of the widest portion) is preferably 2 to 12 mm, more preferably 4 to 8 mm, and the width of the width direction leakage prevention groove 64. Is preferably 1 to 8 mm, and more preferably 2 to 4 mm. Moreover, it is preferable that the difference between the maximum width of the leakage preventing groove 61 and the width of the width direction leakage preventing groove 64 is 1 to 6 mm.
By setting the maximum width to 2 to 12 mm, a liquid stop effect by the groove can be obtained, and a sufficient sense of security can be given to the user. By setting the width of the width direction leakage preventing groove 64 to 1 to 8 mm, the leakage preventing effect in the front-rear direction is further improved. By setting the difference to 1 to 6 mm, the side / front-and-rear direction liquid stop effect is further improved, and there is no hindrance to fit due to the formation of the flexible shaft.
Moreover, the leak-proof groove 61 is formed so as to have the maximum width in the wearer's excretory part contact region. Here, the excretion part contact region means a part designed to contact the excretion part of the wearer. In the present embodiment, the absorbent layer 2 corresponding to the portion where the flap 8 exists and the portion in the vicinity in the front-rear direction correspond to the absorbent layer 2.

本実施形態においては、２本の防漏溝６１は、長手方向両側部に沿って、長手方向両側にそれぞれ、フラップ８が位置する部位において生理用ナプキンの内方側にくの字状に湾曲されて、形成されている。
また、前方部側の幅方向防漏溝６４'は、防漏溝６１の湾曲された折曲点の近傍に端部が位置し、連結しないように湾曲形成されており、後方部側の幅方向防漏溝６４は、防漏溝６１の後方部側の端部６１ａ，６１ａを連結するように、湾曲形成されている。即ち、後方部の幅方向防漏溝６４は、防漏溝６１と連結されている。
このように、幅方向防漏溝６４、６４'を設けることにより、幅方向の剛性を上げてヨレを防ぐことができる。また、防漏溝６１と幅方向防漏溝６４とを連結することは、防漏性の観点で好ましい。
ここで、防漏溝６１は、吸収性物品の長手方向に沿って形成された溝の部分を意味し、具体的には、長手方向中心線と溝の接線とのなす角度が４５°未満である溝を意味し、幅方向防漏溝６４は、長手方向中心線と溝の接線とのなす角度が４５°以上となる溝を意味する。 In the present embodiment, the two leak-proof grooves 61 are curved in a U-shape along the both sides in the longitudinal direction and on the inner side of the sanitary napkin at the portions where the flaps 8 are located on both sides in the longitudinal direction. Has been formed.
Further, the width direction leakage preventing groove 64 ′ on the front side is located in the vicinity of the curved bending point of the leakage preventing groove 61 and is curved so as not to be connected. The direction leakage preventing groove 64 is curved so as to connect the end portions 61 a and 61 a on the rear portion side of the leakage preventing groove 61. That is, the width direction leak-proof groove 64 in the rear part is connected to the leak-proof groove 61.
Thus, by providing the width direction leakage prevention grooves 64 and 64 ′, the rigidity in the width direction can be increased to prevent twisting. Moreover, it is preferable from a leak-proof viewpoint to connect the leak-proof groove 61 and the width direction leak-proof groove 64.
Here, the leak-proof groove 61 means a portion of the groove formed along the longitudinal direction of the absorbent article. Specifically, the angle formed by the longitudinal center line and the tangent of the groove is less than 45 °. The width direction leak-proof groove 64 means a groove having an angle of 45 ° or more between the longitudinal center line and the tangent line of the groove.

防漏溝６１及び幅方向防漏溝６４は、図１〜３に示すように、それぞれ、多数の凹部６２、６５（図示する都合上、図１では特に示さずに、図２、３の拡大図において示す）を断続的に線状に配して形成されており、各凹部６２，６５間の間隔Ｔ１，Ｔ２及び各凹部６２，６５の線状方向の長さＬ１，Ｌ２の比（間隔／長さ）は、防漏効果及びフィット性の点から、０．１〜０．９、好ましくは、０．２〜０．７である。
本実施形態のように、防漏溝の中に多数の凹部が形成されていることにより、凹部の液拡散防止効果により防漏性が向上し、また適度な剛性を得ることができフィット性が向上する。 As shown in FIGS. 1 to 3, each of the leak-proof groove 61 and the width-direction leak-proof groove 64 has a large number of recesses 62 and 65 (for convenience of illustration, FIG. (Shown in the figure) are arranged in a linear manner, and the ratio (interval) between the intervals T1, T2 between the recesses 62, 65 and the lengths L1, L2 of the recesses 62, 65 in the linear direction. / Length) is 0.1 to 0.9, preferably 0.2 to 0.7, from the viewpoint of leakage prevention effect and fit.
As in this embodiment, a large number of recesses are formed in the leak-proof groove, so that the leak-proof property is improved by the liquid diffusion preventing effect of the recesses, and an appropriate rigidity can be obtained. improves.

防漏溝６１の各凹部６２の線状方向の長さＬ１は、幅方向防漏溝６４の各凹部６５の線状方向の長さＬ２よりも大きいのが好ましい。Ｌ１をＬ２よりも大きくすることにより、生理用ナプキン全体の剛性のバランスが良く、フィット性、装着感が良好になる。
また、長さＬ１は、０．５〜６mmとするのが、防漏性及び適度な折り曲げ性によるフィット性向上の観点から好ましい。
長さＬ２は、０．２〜４mmとするのが、防漏性、幅方向における剛性によるヨレ防止、及び使用者の肌への感触の点から好ましい。 The length L1 in the linear direction of each recess 62 of the leak-proof groove 61 is preferably larger than the length L2 in the linear direction of each recess 65 of the width-direction leak-proof groove 64. By making L1 larger than L2, the balance of the rigidity of the sanitary napkin as a whole is good, and the fit and wearing feeling become good.
In addition, the length L1 is preferably set to 0.5 to 6 mm from the viewpoint of improvement in fit due to leakage prevention and appropriate bendability.
The length L2 is preferably 0.2 to 4 mm from the viewpoints of leakage prevention, prevention of twist due to rigidity in the width direction, and the feeling of the user's skin.

また、防漏性と適度な可撓性との観点から、防漏溝６１における各凹部６２間の間隔Ｔ１は、０．５〜６mmであるのが好ましく、より好ましくは１〜４mmであり、幅方向防漏溝６４における各凹部６５間の間隔Ｔ２は、０．２〜４mmであるのが好ましく、より好ましくは０．５〜３mmである。防漏溝６１における各凹部６２間の間隔Ｔ１と幅方向防漏溝６４における各凹部６５間の間隔Ｔ２との差は、０．３〜３mmであるのが好ましい。
また、防漏溝６１における各凹部６２間の間隔Ｔ１は、幅方向防漏溝６４における各凹部６５間の間隔Ｔ２よりも大きいのが好ましい。 In addition, from the viewpoint of leakage prevention and moderate flexibility, the interval T1 between the recesses 62 in the leakage prevention groove 61 is preferably 0.5 to 6 mm, more preferably 1 to 4 mm. The interval T2 between the recesses 65 in the width direction leakage preventing groove 64 is preferably 0.2 to 4 mm, and more preferably 0.5 to 3 mm. The difference between the interval T1 between the recesses 62 in the leak-proof groove 61 and the interval T2 between the recesses 65 in the width direction leak-proof groove 64 is preferably 0.3 to 3 mm.
Further, the interval T1 between the recesses 62 in the leakage preventing groove 61 is preferably larger than the interval T2 between the recesses 65 in the width direction leakage preventing groove 64.

各凹部６２，６５は、図２及び３に示すように、それぞれ、防漏溝６１及び幅方向防漏溝６４の長さ方向に対して並列に形成されている。
各凹部６２，６５は、防漏溝６１及び幅方向防漏溝６４の長さ方向に対して平行方向に向けて形成されている。即ち、各凹部６２，６５は、それぞれ、長方形形状となされている。
また、各凹部６２，６５間に位置する間隙部６３，６６は、それぞれ、凹部６２，６５と同様に長方形形状である。
また、凹部６２及び凹部６５の深さは、１〜１０mmであるのが好ましい。
更に間隙部６３，６６も、防漏溝及び幅方向防漏溝以外の部位に比して窪んでいるのが好ましい。
なお、各凹部の長さ及び幅、並びに凹部の間隔は、肉眼で定規等を使って計測してもよいが、好ましくは、光学顕微鏡を用いて計測する。本実施形態においては、ＯＬＹＭＰＵＳ社製光学顕微鏡（商品名「ＳＺＨ１０」）にＳＯＮＹ製ＣＣＤカメラ（商品名「ＣＣＤ−ＩＲＩＳ」）を接続して１０〜２０倍程度に拡大撮影し、更にＳＯＮＹ製カラービデオプリンター（商品名「ＵＰ−５１００Ａ」）を接続して印刷した写真から計測した。
ここで、凹部の長さ及び幅は、防漏溝の凹部底面で計測したものである。凹部の間隔は、防漏溝の線状方向に沿って、凹部の底面の端部から隣接する凹部の底面の端部までの長さを計測したものである。また、防漏溝の深さは、防漏溝の断面を前述の装置により計測したものである。
As shown in FIGS. 2 and 3, the recesses 62 and 65 are formed in parallel to the length direction of the leakage prevention groove 61 and the width direction leakage prevention groove 64, respectively.
Each of the recesses 62 and 65 is formed in a direction parallel to the length direction of the leakage prevention groove 61 and the width direction leakage prevention groove 64. That is, each recess 62 and 65, respectively, have been made with rectangles shape.
Further, the gaps 63 and 66 positioned between the recesses 62 and 65 are rectangular like the recesses 62 and 65, respectively.
Moreover, it is preferable that the depth of the recessed part 62 and the recessed part 65 is 1-10 mm.
Furthermore, it is preferable that the gaps 63 and 66 are also recessed as compared with portions other than the leakage prevention groove and the width direction leakage prevention groove.
In addition, although the length and width of each recessed part and the space | interval of a recessed part may be measured using a ruler etc. with the naked eye, Preferably, it measures using an optical microscope. In this embodiment, a Sony CCD camera (trade name “CCD-IRIS”) is connected to an optical microscope (trade name “SZH10”) manufactured by OLYMPUS, and magnified to about 10 to 20 times. Measurement was performed from a photograph printed by connecting a video printer (trade name “UP-5100A”).
Here, the length and width of the recess are measured at the bottom surface of the recess of the leak-proof groove. The interval between the recesses is a length measured from the end of the bottom surface of the recess to the end of the bottom surface of the adjacent recess along the linear direction of the leak-proof groove. The depth of the leak-proof groove is obtained by measuring the cross-section of the leak-proof groove with the above-described apparatus.

本実施形態の生理用ナプキンの各構成部材は、通常の生理用ナプキンと同様の形成材料を用いて、形成することができる。   Each component of the sanitary napkin of this embodiment can be formed using the same forming material as a normal sanitary napkin.

本実施形態の生理用ナプキンは、通常の生理用ナプキンと同様にして使用することができる。
そして、本実施形態の生理用ナプキンは、上述の如く構成されているので防漏溝の視認性が良く、効果感・安心感があり、また、着用中によれても防漏溝がつぶれることがなく、漏れ防止性に優れたものである。 The sanitary napkin of this embodiment can be used in the same manner as a normal sanitary napkin.
And since the sanitary napkin of this embodiment is comprised as mentioned above, the visibility of a leak-proof groove is good, there exists an effect and a sense of security, and even if it wears, a leak-proof groove is crushed. No leakage and excellent leakage prevention.

本実施形態の生理用ナプキンは、常法に従って、吸収層２と防漏層３とを形成した後、両者を貼り合わせ、次いで、吸収層２の表面側からエンボス処理を施すなどして、防漏溝６１及び幅方向防漏溝６４を形成する等して製造することができる。   The sanitary napkin of this embodiment is formed by forming the absorbent layer 2 and the leak-proof layer 3 according to a conventional method, and then bonding them together, and then embossing from the surface side of the absorbent layer 2. It can be manufactured by forming the leakage groove 61 and the width direction leakage prevention groove 64.

なお、本発明の生理用ナプキンは、上述の実施形態に制限されるものではなく、本発明の趣旨を逸脱しない範囲で種々変更可能である。
例えば、上述の実施形態においては、防漏溝６１の一部の幅が、幅方向防漏溝６４の一部の幅よりも広ければよいとして記載したが、防漏溝６１は、その全部の幅を幅方向防漏溝６４の全体の幅よりも広くしてもよい。 In addition, the sanitary napkin of this invention is not restrict | limited to the above-mentioned embodiment, It can change variously in the range which does not deviate from the meaning of this invention.
For example, in the above embodiments mentioned, a part of the width of the Bomomizo 61 has been described as the may be wider than the portion of the width in the width direction anti Momizo 64, Bomomizo 61, the whole May be wider than the entire width of the width direction leakage prevention groove 64.

また、図４に示すような形態とすることもできる。
即ち、前記防漏溝及び前記幅方向防漏溝は、それぞれ、断続的に形成された多数の凹部６１ｂを有し、防漏溝６１は、着用者の***部当接領域で最大幅を有するように形成されている。
凹部６１ｂは、それぞれ、ハート型の模様状に形成されている。
本実施形態においては、上述の図１〜３に示す実施形態における防漏溝の中に形成された凹部を有することにより得られる効果に加えて、凹部が模様であることにより、防漏溝及び凹部の視認性が向上するので、防漏溝が***部当接領域の両側方にそれぞれ設けられている場合に効果的である。また、本発明においては、防漏溝が幅方向防漏溝よりも幅広であるため、凹部の形成および視認が更に容易となる。なお、本実施形態において、溝内の模様である凹部の形状は、これに限定されるものではなく、星型、ダイヤ型等の形状とすることができ、また多列に入れる等種々形態を採用できる。 Moreover, it can also be set as a form as shown in FIG.
That is, the leak-proof groove and the width-direction leak-proof groove each have a large number of intermittently formed recesses 61b, and the leak-proof groove 61 has the maximum width in the wearer's excretory part contact region. It is formed as follows.
The recesses 61b are each formed in a heart-shaped pattern.
In the present embodiment, in addition to the effect obtained by having the recess formed in the leak-proof groove in the embodiment shown in FIGS. Since the visibility of the concave portion is improved, it is effective when the leakage preventing grooves are provided on both sides of the excretory portion contact region. Further, in the present invention, since the leak-proof groove is wider than the width-direction leak-proof groove, formation and visual recognition of the concave portion are further facilitated. In addition, in this embodiment, the shape of the recessed part which is the pattern in a groove | channel is not limited to this, It can be set as shapes, such as a star shape and a diamond shape, and various forms, such as putting in multiple rows, etc. Can be adopted.

１ 生理用ナプキン（吸収性物品）
２ 吸収層
２１ 表面シート
２２ 吸収体
３ 防漏層
３１ 防漏シート
３２ 肌当接用シート
６１ 防漏溝
６２ 凹部
６３ 間隙部
６４ 幅方向防漏溝
６５ 凹部
６６ 間隙部
８ フラップ 1 Sanitary napkin (absorbent article)
2 Absorbing layer 21 Top sheet 22 Absorber 3 Leak-proofing layer 31 Leak-proofing sheet 32 Skin contact sheet 61 Leak-proofing groove 62 Recessed part 63 Gap part 64 Width direction leak-proof groove 65 Recessed part 66 Gap part 8

Claims (2)

液保持性の吸収層及び液不透過性の防漏層を有し、実質的に縦長である生理用ナプキンにおいて、
前記吸収層の肌当接面側には、長手方向に沿う一対の防漏溝と、幅方向に沿う幅方向防漏溝とが形成されており、
前記防漏溝は、前記生理用ナプキンの長手方向中心線と該防漏溝の接線とのなす角度が４５°未満であり、前記幅方向防漏溝は、該長手方向中心線と該幅方向防漏溝の接線とのなす角度が４５°以上であり、
前記防漏溝の一部の幅は、前記幅方向防漏溝の一部の幅よりも広く形成されており、
前記防漏溝及び前記幅方向防漏溝は、それぞれ、多数の長方形形状の凹部を断続的に線状に配して形成されており、該長方形形状の凹部の深さは１〜１０ｍｍであり、
各前記長方形形状の凹部間に位置する間隙部は、それぞれ、前記防漏溝及び前記幅方向防漏溝以外の部位に比して窪んでおり、
着用者の***部当接領域の両側方にそれぞれ設けられている前記防漏溝の中に、模様状の凹部が形成されている生理用ナプキン。 In a sanitary napkin that has a liquid-retaining absorbent layer and a liquid-impermeable leak-proof layer and is substantially vertically long,
On the skin contact surface side of the absorbent layer, a pair of leakage prevention grooves along the longitudinal direction and a width direction leakage prevention groove along the width direction are formed,
The leak-proof groove has an angle formed between a longitudinal center line of the sanitary napkin and a tangent line of the leak-proof groove that is less than 45 °, and the width-direction leak-proof groove includes the longitudinal center line and the width direction. The angle formed with the tangent of the leak-proof groove is 45 ° or more,
The portion of the width of the anti Momizo is your Ri is wider than a portion of the width of the width direction anti Momizo,
Each of the leakage prevention groove and the width direction leakage prevention groove is formed by intermittently arranging a large number of rectangular concave portions in a linear shape, and the depth of the rectangular concave portion is 1 to 10 mm. ,
The gaps located between the rectangular recesses are respectively recessed as compared to parts other than the leakage prevention groove and the width direction leakage prevention groove,
A sanitary napkin in which pattern-shaped recesses are formed in the leak-proof grooves respectively provided on both sides of the wearer's excretory part contact region . 前記模様状の凹部は多列に形成されている請求項１記載の生理用ナプキン。The sanitary napkin according to claim 1, wherein the pattern-shaped recesses are formed in multiple rows.
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