JP2009136601A - Absorbent article - Google Patents

Absorbent article Download PDF

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JP2009136601A
JP2009136601A JP2007318057A JP2007318057A JP2009136601A JP 2009136601 A JP2009136601 A JP 2009136601A JP 2007318057 A JP2007318057 A JP 2007318057A JP 2007318057 A JP2007318057 A JP 2007318057A JP 2009136601 A JP2009136601 A JP 2009136601A
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backsheet
absorbent article
region
non
rear surface
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JP5070022B2 (en
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Taketo Ito
Ayako Makino
毅人 伊藤
綾子 牧野
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Kao Corp
花王株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To provide an absorbent article with higher adhesiveness to a body and lower likelihood of leakage, which prevents a user from feeling discomfort while wearing. <P>SOLUTION: The absorbent article 1 comprises a longitudinally long absorber 2 with liquid retention, a first rear surface sheet 3 provided on a skin non-contacting surface side, and folding parts 9, 9 bent toward a skin contacting surface side to be a momentum for forming a longitudinally abutting front area 5A, central area 5C, and back area 5B. The second rear surface sheet 5 is provided on the skin non-contacting surface side of the first rear surface sheet 3. In the second rear surface sheet 5, its front area 5A and back area 5B are respectively fixed on the first rear surface sheet 3 so as to form fixing parts 35A, 35B. A spacing between the first rear surface sheet 3 and the second rear surface sheet 5 located between the fixing parts 35A and 35B form a non-joint part 35C without jointed each other. Elastic members 6, 6 are provided on a side of the first rear surface sheet 3 in a formed area of the non-joint part 35C with elongated so that its expansion direction could be identical to the longitudinal direction of the absorbent article 1. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、失禁パッド、生理用ナプキン等の吸収性物品に関する。 The present invention, incontinent pad, relates to an absorbent article such as a sanitary napkin.

失禁パッド、生理用ナプキン等の吸収性物品は、通常、下着の股下部(クロッチ部)に固定されて使用される。 Incontinence pads, absorbent articles such as sanitary napkins are normally used is fixed to the crotch portion of the undergarment (crotch portion). このような吸収性物品においては、着用者の動作等に起因して下着が身体から離れると、該吸収性物品も身体から離れてしまい、漏れや違和感が生じるという問題があった。 In such an absorbent article, underwear due to the operation or the like of the wearer away from the body, the absorbent article also will be away from the body, there is a problem that the leakage or discomfort occurs. 特に、下着が身体にフィットしないルーズなものである場合は、このような問題が顕著になる。 In particular, if the underwear is what loose that does not fit on the body, such a problem becomes significant.

特許文献1には、体液吸収性物品の非肌当接面側に、底部シート及び頂部シートからなる支持具を配することで、該体液吸収性物品が身体の動きに追随できるようにした技術が記載されている。 Patent Document 1, the non-skin contact surface side of the body fluid absorbent article, by disposing a support consisting of a bottom sheet and a top sheet, the body fluid absorbent article is to be able to follow the movement of the body Technology There has been described. この支持具は、底部シートが、該シートの長手方向中央部に配された止着手段(粘着域)を介して下着の股下部の内面に沿って固定されて長手方向に湾曲すると共に、頂部シートが該底部シートの長手方向両端部間に平坦な状態で延びて体液吸収性物品を非肌当接面側から支持することにより、該体液吸収性物品を下着の股下部の内面から浮き上がらせる。 The support includes a bottom sheet, as well as curved and is fixed along the inner surface of the crotch portion of the undergarment in the longitudinal direction via the fastening means arranged on the longitudinal center portion of the sheet (adhesive area), the top by sheet is to support the body fluid absorbent article extends in a flat state between both longitudinal ends of the bottom portion sheet from the non-skin contact surface side, thereby float the body fluid absorbent article from the inner surface of the crotch portion of the undergarment .

特許文献1には、支持具の長手方向中央域に下着との接着手段を設けた実施形態が具体的に開示されている。 Patent Document 1, an embodiment in which a bonding means with the undergarment longitudinally central region of the support are specifically disclosed. このような形態の吸収性物品は、下着の股下部に固定して使用した場合、着用者の股下部等の動きに合わせて前後領域が動き易くなる反面、運動時など動きが激しいときには一旦身体の動きに追従した吸収性物品に加えられた慣性力によって容易には元の方向に戻りにくい。 Absorbent articles such forms, when used in fixing the crotch portion of the undergarment, although made easy to move the front and rear regions in accordance with the movement of such crotch portion of the wearer once when movement, such as during exercise strenuous physical facilitated by an inertial force applied to an absorbent article that follows of the movement is less likely to return to the original direction. その結果、吸収性物品の前後領域に拠れが生じて身体と吸収性物品の間に隙間が生じ、漏れが起きるおそれがある。 As a result, the gap between the body and the absorbent article occurs accordance with the front and rear regions of the absorbent article occurs, there is a possibility that leakage occurs. また、その形態に起因して、身体の圧力が下着方向に加わった場合に、前記頂部シートの伸張によって吸収性物品の身体への密着性を確保するために、前記底部シートにはある程度の剛性が求められるものと考えられ、実際、特許文献1では熱可塑性プラスチックなど、剛性の高い材料のみを底部シート材料として挙げている。 Furthermore, due to its form, when the pressure of the body is applied to the undergarment direction, in order to ensure adhesion to the body of the absorbent article by extension of said top sheet, a certain degree of the bottom sheet stiffness believed that are required, in fact, it cites Patent Document 1, thermoplastics, only a material having high rigidity as a bottom sheet material. これに起因して、特許文献1に記載の吸収性物品は着用時の違和感を生じるおそれがある。 Due to this, the absorbent article according to Patent Document 1 which may cause discomfort when worn.
着用中に身体に対する密着性が高く、漏れや違和感を生じ難い吸収性物品は未だ提供されていない。 High adhesion to the body during wear, absorbent article hardly occurs leakage and discomfort has not yet been provided.

特開2002−204812号公報 JP 2002-204812 JP

従って本発明の目的は、身体に対する密着性が高くて漏れを生じにくく、着用中に違和感を生じ難い吸収性物品を提供することにある。 Accordingly, an object of the present invention does not easily cause leakage high adhesion to the body, it is to provide an absorbent article which hardly cause uncomfortable feeling during wear.

本発明は、液保持性の吸収体と、その非肌当接面側に配された第1裏面シートとを有し、肌当接面側へ屈曲させて、長手方向に沿う前側領域、中央領域及び後側領域を形成する契機となる折り曲げ部を有する縦長の吸収性物品であって、第1裏面シートの非肌当接面側に第2裏面シートが配されており、第2裏面シートは、その長手方向前後端部それぞれが第1裏面シートに固定されて固定部を形成しており、これらの固定部の間に位置する第1裏面シートと第2裏面シートとの間は、互いに接合されずに非接合部を形成しており、前記非接合部の形成領域における第1裏面シート側には、弾性部材がその伸縮方向を前記吸収性物品の長手方向に一致させて伸長状態で配され、第2裏面シートにおける非肌当接面側の前記前側領域及び前記後 The present invention includes a liquid retentive absorbent member, and a first backsheet disposed on the non-skin contact surface side, and is bent to the skin contact surface side, front region along the longitudinal direction, the center an absorbent article elongated to have an opportunity to become bent portion forming region and a back region, a second backsheet is arranged at the non-skin contact surface side of the first backsheet, second backsheet , the longitudinal front and rear end portions each forms a fixing portion fixed to the first backsheet, between the first backsheet and a second backsheet located between these fixed portions, each other forms a non-bonded portion without being bonded, the to first backsheet side in the formation region of the non-junction, in a stretched state by the expansion and contraction direction of the elastic member is aligned with the longitudinal direction of the absorbent article provided that, the non-skin contact surface side the front area and rear the of the second backsheet 領域それぞれに、前記吸収性物品を着衣に固定する固定手段が配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。 Each region, by providing an absorbent article securing means for securing said absorbent article to the clothing are arranged, is obtained by achieving the above object.

本発明の吸収性物品は、身体に対する密着性が高くて漏れが生じにくく、着用中の違和感を生じにくくすることが可能である。 The absorbent article of the present invention does not easily cause leakage high adhesion to the body, it is possible to hardly cause uncomfortable feeling during wear.

以下、本発明の吸収性物品を、その好ましい一実施形態である失禁パッドに基づき図面を参照して説明する。 Hereinafter, the absorbent article of the present invention will be described with reference to the drawings based on the incontinence pad which is a preferred embodiment.
本実施形態の失禁パッド1は、図1〜図3に示すように、液保持性を有する縦長の吸収体2と、該吸収体2の非肌当接面側に配された第1裏面シート3とを有しており、実質的に縦長に形成されている。 Incontinence pad 1 of the present embodiment, as shown in FIGS. 1 to 3, a first backsheet and the absorbent body 2 of elongated having a liquid retention property, disposed in the non-skin contact surface side of the absorber 2 3 and has a and is substantially vertically elongated form. 失禁パッド1は、図4に示すようにその肌当接面側へ屈曲させて、長手方向に沿う前側領域5A、中央領域5C及び後側領域5Bを形成する契機となる溝(折り曲げ部)9を有している。 Incontinence pad 1 is the skin is bent to contact surface side as shown in FIG. 4, the front region 5A along the longitudinal direction, a trigger for forming a central region 5C and rear region 5B groove (bent portion) 9 have. 前側領域5A及び後側領域5Bそれぞれは、溝9によって失禁パッド1の肌当接面側(表面シート4側)に屈曲し易くなされている。 Each front region 5A and the back region 5B, has been made easier to bend the skin contact surface side of the incontinence pad 1 by a groove 9 (surface sheet 4 side).
尚、本明細書において、肌当接面は、吸収性物品着用時に着用者の肌側に向けられる面であり、非肌当接面は、吸収性物品着用時に下着側(着用者の肌側とは反対側)に向けられる面である。 In the present specification, the skin contact surface is a surface directed to the skin side of the wearer when the absorbent article wearing, non-skin contact surface is, the underwear side (wearer's skin side when the absorbent article wearing the is a surface directed to the opposite side).

本実施形態においては、吸収体2の肌当接面側に液透過性の表面シート4が配されており、吸収体2は、表面シート4と第1裏面シート3との間に介在配置されている。 In the present embodiment, the skin of the absorbent body 2 contacting side are arranged, liquid-permeable topsheet 4, the absorbent body 2 is interposed between the topsheet 4 and the first backsheet 3 ing. 表面シート4は、失禁パッド1の肌当接面を形成している。 Topsheet 4 forms a skin contact surface of the incontinence pad 1. 表面シート4は吸収体2の肌当接面側の全域を被覆しており、第1裏面シート3は吸収体2の非肌当接面側の全域を被覆している。 Topsheet 4 is covers the entire area of ​​the skin contact surface side of the absorber 2, the first backsheet 3 covers the entire area of ​​the non-skin contact surface side of the absorber 2.
尚、本明細書において、長手方向は、特に断らない限り、縦長の失禁パッド1の長辺に沿う方向であり、幅方向は、該長手方向と直交する方向である。 In this specification, longitudinal direction, unless otherwise specified, a direction along the long side of the incontinence pad 1 of the portrait, the width direction is a direction perpendicular to the longitudinal direction.

第1裏面シート3と、吸収体2の非肌当接面側に達している表面シート4とは、接着剤やヒートシール等の所定の接合手段によって接合されている。 The first backsheet 3, the topsheet 4 has reached the non-skin contact surface side of the absorber 2 are joined by a predetermined joining means such as adhesive or heat sealing. また、表面シート4及び第1裏面シート3は、吸収体2の長手方向前後端から外方に延出しており、それらの延出部において接着剤やヒートシール等の所定の接合手段により互いに接合されてエンドシール部を形成している。 Further, the topsheet 4 and the first backsheet 3 extends outward from the longitudinal front and rear ends of the absorbent body 2, together joined by a predetermined joining means such as adhesive or heat sealing at their extended portion It is to form an end seal portion.
また、表面シート4と吸収体2との間、及び吸収体2と第1裏面シート3との間は、それぞれ、ホットメルト接着剤等の所定の接合手段により接合されている。 Further, between the between the topsheet 4 and the absorber 2, and the absorber 2 and the first backsheet 3, respectively, are joined by a predetermined joining means such as a hot melt adhesive.

第1裏面シート3の非肌当接面側には第2裏面シート5が配されている。 The non-skin contact surface side of the first backsheet 3 is arranged a second backsheet 5. 第1裏面シート3が、この種の吸収性物品における裏面シートと同様に、主として、パッド外部への液の漏れ出しを防止する役割を担うのに対し、第2裏面シート5は、主として、失禁パッド1を着衣に固定する際の位置決めに利用される。 First backsheet 3, similarly to the backsheet in absorbent articles of this kind, mainly, whereas the role of preventing leakage of liquid into the pad outside, the second backsheet 5 is mainly incontinence It is used for positioning when fixing the pad 1 on the garment. 従って、第1裏面シート3は、好ましくは液不透過性又は撥水性を有しているのに対し、第2裏面シート5は、液不透過性又は撥水性を有している必要は無く、表面シート4と同様に、液透過性を有していても良い。 Accordingly, the first backsheet 3 is preferably whereas has a liquid impermeable or water repellent, second backsheet 5 is required to have a liquid impermeable or water repellent without similar to the topsheet 4 may have a liquid permeability.

また、第2裏面シート5としては、特許文献1に記載の底部シートの如き、剛性が比較的高く硬いシート(例えば熱可塑性プラスチックの発泡シート、合成ゴム等のエラストマーからなるシート、発泡したエラストマーからなるシート、熱可塑性プラスチックの射出成形品)を用いる必要は無く、不織布、樹脂フィルムの如き、剛性が比較的低く柔軟なシートを用いることができる。 Further, as the second back sheet 5, such as a bottom sheet described in Patent Document 1, the foamed sheet of rigid relatively high rigid sheet (for example, a thermoplastic plastic, sheet formed of elastomer such as synthetic rubber, a foamed elastomer made sheet, a thermoplastic injection molded article of plastics) without need to use, can be used nonwoven fabric, such as a resin film, stiffness and relatively low soft sheet. 良好な着用感を得る観点から、第2裏面シート5としては、不織布を用いることが好ましい。 From the viewpoint of obtaining good wearing feel, as the second back sheet 5, it is preferable to use a nonwoven fabric. また、同様の観点から、第2裏面シート5の坪量は、好ましくは10〜50g/m 2 、更に好ましくは10〜30g/m 2である。 From the same viewpoint, the basis weight of the second backsheet 5 is preferably 10 to 50 g / m 2, more preferably a 10 to 30 g / m 2.

第2裏面シート5は、第1裏面シート3と略同じ寸法を有し、第1裏面シート3の非肌当接面上に重ねて配されている。 The second backsheet 5 have substantially the same dimensions as the first backsheet 3 are arranged superimposed on the non-skin contact surface of the first backsheet 3.
第2裏面シート5の寸法は、吸収性物品の寸法や吸収性物品が固定される下着の寸法に合わせて適宜設定することができる。 The dimensions of the second backsheet 5 may be appropriately set in accordance with the dimensions of the underwear dimensions and the absorbent article of the absorbent article is secured. 例えば吸収性物品が女性用失禁パッドであれば一般的に、長手方向の長さは10〜45cm、幅方向の長さは3〜12cmである。 For example typically the absorbent article if the feminine incontinence pad, the length in the longitudinal direction 10~45Cm, the length in the width direction is 3~12Cm.

第2裏面シート5は、図3に示すように、その長手方向前後端部それぞれが第1裏面シート3に固定されて固定部35A,35Bを形成している。 The second backsheet 5, as shown in FIG. 3, the fixing portion 35A, respectively its longitudinal front and rear end portions are fixed to the first backsheet 3 to form a 35B. より具体的には、失禁パッド1の表面シート4側には、表面シート4と吸収体2とが一体的に圧密化されて形成された、幅方向に延びる一対の線状の溝(折り曲げ部)9,9が形成されており、第2裏面シート5(失禁パッド1)は、この一対の溝9,9によって長手方向に、パッド着用者の前側(腹側)に配される前側領域5A、パッド着用者の後側(背側)に配される後側領域5B、及びこれら両領域5A,5B(一対の溝9,9)に挟まれた中央領域5Cに区分され、且つこれら前側領域5A、後側領域5Bそれぞれにおいて、第1裏面シート3に固定されて固定部35A,35Bを形成している。 More specifically, the topsheet 4 side of the incontinence pad 1, the topsheet 4 and the absorber 2 is formed by compacted integrally, a pair of linear grooves extending in the widthwise direction (bent portions ) 9, 9 are formed, the second back sheet 5 (the incontinence pad 1), in the longitudinal direction by the pair of grooves 9 and 9, the front region 5A which is disposed on the front side of the pad wearer (ventral) , side region 5B after that is disposed after the pad wearer side (back side), and is divided into a central region 5C sandwiched between these two regions 5A, 5B (the pair of grooves 9, 9), and these front region 5A, in each of the rear region 5B, the fixed portion 35A is fixed to the first backsheet 3 to form a 35B. 本実施形態における固定部35A,35Bは、ホットメルト接着剤が第2裏面シート5における前側領域5A、後側領域5Bそれぞれの全幅に亘って塗布されることにより形成されている。 Fixing portions 35A, 35B in the present embodiment is formed by a hot melt adhesive is applied over the front region 5A, the rear region 5B respectively of the total width of the second back sheet 5. これらの固定部35A,35Bの間(中央領域5C)に位置する第1裏面シート3と第2裏面シート5との間は、その全幅に亘って互いに接合されずに非接合部35Cを形成している。 During these fixing portion 35A, a first backsheet 3 located 35B between (the central region 5C) and the second back sheet 5, a non-bonding portion 35C is formed without being joined together over its entire width ing. 本実施形態における非接合部35Cは、失禁パッド1の長手方向中央部に存している。 Unbonded portion 35C in this embodiment is to exist at the center in the longitudinal direction of the incontinence pad 1.
前側領域5A,後側領域5Bの長手方向に沿った長さは、吸収性物品の長手方向の全長に対してそれぞれ10〜35%、好ましくは15〜35%であり、最も好ましくは該全長の1/4〜1/3である。 Anterior region 5A, the length along the longitudinal direction of the rear region 5B is 10 to 35%, respectively with respect to the longitudinal direction of the length of the absorbent article, preferably 15 to 35% and most preferably of 該全 length 1 / 4-1 / 3.

固定部35Aは、第2裏面シート5の長手方向前端5aから長手方向の内方に該第2裏面シート5の長手方向の全長の10〜35%以内、特に20〜30%以内の領域に形成されることが好ましい。 Fixing portion 35A is formed from the longitudinal front end 5a of the second backsheet 5 within 10% to 35% in the longitudinal direction of the length of the second backsheet 5 inward of the longitudinal direction in the region of the particularly within 20-30% it is preferred that the.
また、固定部35Bは、第2裏面シート5の長手方向後端5bから長手方向の内方に該第2裏面シート5の長手方向の全長の10〜35%以内、特に20〜30%以内の領域に形成されることが好ましい。 The fixing portion 35B includes a second back sheet 5 from the longitudinal rear end 5b within 10% to 35% in the longitudinal direction of the length of the second backsheet 5 inward of the longitudinal, particularly within the 20-30% it is preferably formed in the region.

非接合部35Cは、失禁パッド1の中央領域5Cに設けられる。 Unbonded portion 35C is provided in the central region 5C of the incontinence pad 1. 中央領域5Cは、失禁パッド1の着用時に着用者の排泄部位に対向する排泄部対向部(図示せず)を含む領域である。 Central region 5C is a region including the excretion portion facing section facing the excretion portion of a wearer of the incontinence pad 1 (not shown). 失禁パッド1における非接合部35Cの形成領域は、後述するようにパッド着用時に下着の股下部の内面から浮き上がって身体に密着するため、漏れ防止を有効に発現する。 Forming regions unbonded portion 35C of the incontinence pad 1 in order to close contact with the body floats up from the inner surface of the crotch portion of the undergarment when the pad wear, as described below, express effectively a leakproof.
より具体的には、非接合部35Cは、少なくとも、失禁パッド1を長手方向に二分する仮想直線(図示せず)から第2裏面シート5の長手方向前端5a及び後端5bそれぞれに該第2裏面シート5の長手方向の全長の30〜80%、特に40〜60%以内の領域に形成されていることが好ましい。 More specifically, the non-joint 35C at least, the second to the respective front longitudinal end 5a and the rear end 5b of the second backsheet 5 from the virtual straight line (not shown) bisecting the incontinence pad 1 in the longitudinal direction 30% to 80% in the longitudinal direction of the length of the back sheet 5, it is preferably formed in a region within particular 40% to 60%. 本実施形態において非接合部35Cは、中央領域5Cから前側領域5A及び後側領域5B各々の一部にまで跨って存在している。 Unbonded portion 35C in the present embodiment, are present over the central region 5C to a part of the front region 5A and a rear region 5B respectively.

非接合部35Cの形成領域における第1裏面シート3側には、弾性部材6がその伸縮方向を吸収体2の長手方向に一致させて伸長状態で配されている。 First backsheet 3 side of the formation region of the unbonded portion 35C is disposed in a stretched state by an elastic member 6 to match the expansion and contraction direction in the longitudinal direction of the absorbent body 2. ここで「第1裏面シート側」とは、弾性部材6が、第1裏面シート3と第2裏面シート5との間を境界として該境界よりも肌当接面側(上側)に配され、第2裏面シート5には配されていないことを意味する。 Here, the "first back sheet side", the elastic member 6, disposed between the first backsheet 3 skin contact surface side of the boundary as the boundary between the second back sheet 5 (upper side), the second backsheet 5 means that not disposed. 本実施形態においては、図1、図2及び図4に示すように、非接合部35Cにおける第1裏面シート3の非肌当接面側の長手方向左右両側縁部それぞれに、1本の細長い帯状の弾性部材6が、その長手方向を吸収体2の長手方向に一致させて伸長状態で接着剤等の公知の接合手段により接合されており、その収縮率は15〜50%が好ましい。 In the present embodiment, as shown in FIGS. 1, 2 and 4, in the longitudinal direction left and right side edge portions each of the non-skin contact surface side first backsheet 3 in the non-joined portion 35C, 1 pieces of elongated strip-shaped elastic member 6, the longitudinal direction are joined by known joining means such as an adhesive in the longitudinal direction is matched with an extended state of the absorber 2, the shrinkage ratio is preferably from 15 to 50%. 弾性部材6は、第1裏面シート3の非肌当接面側のみならず、第1裏面シート3の肌当接面側に配されていても良く、第1裏面シート3とは別部材で固定されていても良い。 Elastic member 6 is not a non-skin contact surface side of the first backsheet 3 only, also be arranged on the skin contacting side of the first backsheet 3 may, the first backsheet 3 in another member it may be fixed.

弾性部材6の長手方向の長さは、非接合部35Cの形成領域の長手方向の長さに略一致して配されている。 Longitudinal length of the elastic member 6 is disposed substantially matches the longitudinal length of the formation region of the unbonded portion 35C. 弾性部材6は、非接合部35Cの形成領域の幅方向全域に配されていても良いが、図1に示す如く該形成領域の長手方向左右両側縁部のみに配することで、側縁部からの漏れを更に生じにくくできる。 Elastic member 6 may be disposed in the entire width of the formation region of the unbonded portion 35C but, by disposing only the longitudinal left and right side edge portions of the forming region as shown in FIG. 1, the side edges in addition it can be less likely to occur leakage from. また、弾性部材6の本数は、左右両側縁部それぞれ1本ずつに限らず、複数本ずつでもよい。 Further, the number of the elastic member 6 is not limited to one by one right and left side edge portions may be a are provided in plurality.

また、第2裏面シート5における非肌当接面側の前側領域5A及び後側領域5Bそれぞれには、失禁パッド1を着衣50に固定する固定手段7が配されている。 In addition, the non-skin each facing side of the front region 5A and a rear region 5B of the second back sheet 5, fixing means 7 for fixing the incontinence pad 1 on the garment 50 is disposed. 本実施形態においては、図2に示すように、第2裏面シート5の非肌当接面側の前側領域5A及び後側領域5Bそれぞれの長手方向中央部で且つ幅方向中央部に、平面視において矩形形状の固定手段7が、その長手方向を吸収体2の幅方向に一致させて配されている。 In the present embodiment, as shown in FIG. 2, and the widthwise central portion in the second non-skin facing side of the front region 5A and the longitudinal central portion side region 5B of the respective rear of the back sheet 5, a plan view in the fixing means 7 of a rectangular shape, are arranged by matching the longitudinal direction in the width direction of the absorbent body 2. 固定手段7は、固定部35A及び35Bそれぞれの形成領域に配されている。 Fixing means 7 is disposed in each of the forming regions fixed portion 35A and 35B. 固定部35A,35Bに挟まれた非接合部35Cの形成領域には、固定手段7は配されていない。 Fixing section 35A, in the formation region of the unbonded portion 35C sandwiched 35B, the fixing means 7 is not provided. 固定手段7は、ホットメルト接着剤を所定部位に塗布することにより形成されている。 Fixing means 7 is formed by applying hot melt adhesive to a predetermined site. 固定手段7は、不使用時には剥離シート(図示せず)によって保護されている。 Fixing means 7, when not in use is protected by a release sheet (not shown).

固定部35A(35B)の面積をS1、該固定部35A(35B)の形成領域に配される固定手段7の面積S2とした場合、S1とS2との比(S1/S2)は、好ましくは0.3〜1、更に好ましくは0.5〜0.9である。 When the area of ​​the fixed portion 35A (35B) S1, and the area S2 of the fastening means 7 disposed in the formation region of the fixed part 35A (35B), the ratio between S1 and S2 (S1 / S2) is preferably 0.3, more preferably from 0.5 to 0.9.

本実施形態の失禁パッド1は、上述の如く構成されていることにより、図4に示すように、下着の股下部50の内面50aに固定手段7を介して固定された状態で着用した場合に、弾性部材6,6の収縮力により、長手方向において肌当接面側に凹状に湾曲する。 Incontinence pad 1 of the present embodiment, by being configured as described above, as shown in FIG. 4, when worn in a state of being fixed via a fixing means 7 to the inner surface 50a of the crotch portion 50 of undergarment , by the contraction force of the elastic members 6, curved concavely skin contact surface side in the longitudinal direction. このとき、第2裏面シート5は、股下部50と固定手段7,7を介して接合されているため、該第2裏面シート5の全体が該股下部50に追従するが、第1裏面シート3は、非接合部35Cの形成領域において、図4に示すように、吸収体2及び表面シート4と共に第2裏面シート5の肌当接面から浮き上がり、該形成領域における第1裏面シート3と第2裏面シート5との間に空間が形成される。 At this time, the second backsheet 5, because it is bonded via the crotch portion 50 and the fixing means 7, 7, the entire of the second back sheet 5 to follow the crotch bottom 50, a first backsheet 3, in a region of the unbonded portion 35C, as shown in FIG. 4, the skin of the second backsheet 5 with the absorber 2 and the topsheet 4 lift from the contact surface, the first backsheet 3 in the formation region a space is formed between the second back sheet 5. しかも、失禁パッド1の前側領域5Aと後側領域5Bが下着に固定され、且つ両領域5A,5Bが折り曲げ部として機能する溝9で安定化されていることから両領域5A,5Bが中央領域5C(非接合部35Cの形成領域)の支持部として機能し、空間が安定するので、第2裏面シート5の材料として不織布のような柔らかい部材を選択可能になる。 Moreover, incontinence front region 5A and the rear region 5B of the pad 1 is fixed to the underwear, and both regions 5A, 5B are bent stabilized groove 9 which functions as a unit by the fact that both regions 5A, 5B is a central region acts as a support of 5C (formation region of the unbonded portion 35C), the space is stabilized, a soft member such as a nonwoven fabric made selectable as the material of the second backsheet 5. 第2裏面シート5が柔らかい部材から形成されることは、良好な着用感につながる。 It is that the second back sheet 5 is formed of a soft member, leading to a good wearing feeling. こうして、下着の股下部50の内面50aから浮き上がった非接合部35Cの形成領域は、パッド着用者の身体の動きに追従しやすく、前記排泄部対向部に常に密着することができる。 Thus, formation region of the unbonded portion 35C which floated from the inner surface 50a of the crotch portion 50 of the undergarment is easy to follow the movement of the body pad wearer can always in close contact with the excretory part facing section. 従って、上述の如き構成を有する本実施形態の失禁パッド1は、身体に対する密着性が高く、漏れや違和感を生じ難い。 Thus, the incontinence pad 1 of this embodiment having a such a structure described above, high adhesion to the body, hardly occurs leakage and discomfort.

本実施形態の失禁パッド1について更に詳細に説明する。 It will be described in further detail incontinence pad 1 of the present embodiment.
本実施形態においては、図1に示すように、失禁パッド1の表面シート4側に、上述した折り曲げ部として機能する一対の溝9,9に加えて、表面シート4と吸収体2とが一体的に圧密化されて形成された長円形の閉じた溝8が形成されている。 In the present embodiment, as shown in FIG. 1, the topsheet 4 side of the incontinence pad 1, in addition to the pair of grooves 9 and 9 that serves as a bent portion as described above, the topsheet 4 and the absorber 2 are integrated closed grooves 8 of oval formed by compacted is formed manner. 一対の溝9,9それぞれは、溝8と繋がっており、平面視において長手方向の外方に向かって凸に湾曲している。 Each pair of grooves 9 and 9, and connected to the groove 8, are curved convexly outwardly in the longitudinal direction in a plan view. 一対の溝9,9の間には、前記排泄部対向部が位置している。 Between the pair of grooves 9 and 9, the excretion portion facing section is located.
これらの溝8,9が形成されていることにより、失禁パッド1の着用時に失禁パッド1が着用者の身体形状に合わせて変形し易くなり、また、排泄された液が失禁パッド1の長手方向に導かれるようになり、吸収体2の全体を使って効率的に液吸収をさせることができる。 By these grooves 8, 9 are formed, the incontinence pad 1 during wearing of the incontinence pad 1 is easily deformed to conform to the body shape of the wearer, also excreted liquid in the longitudinal direction of the incontinence pad 1 will be guided, it is possible to efficiently liquid absorbent with the whole of the absorbent body 2. 溝8,9は、例えば公知のエンボス装置を用いて表面シート4側から吸収体2を圧搾することにより形成することができる。 Grooves 8, 9 can be formed, for example, by compressing the absorber 2 from the top sheet 4 side by using a known embossing apparatus.

吸収体2は、図3に示すように、中央領域5Cに、前側領域5A及び後側領域5Bよりも肌当接面側に突出する中高部21を有している。 Absorber 2, as shown in FIG. 3, the central region 5C, it has a domed section 21 which protrudes to the skin contact surface side than the front region 5A and a rear region 5B. 中高部21は、吸収体2の厚みを、その長手方向中央部のみ大きくすることにより形成されている。 Domed section 21, the thickness of the absorber 2, and is formed by increasing only the longitudinally central portion. 本実施形態では中高部21は、溝8,9に包囲された領域に形成されており、前記排泄部対向部を含んでいる。 Domed section 21 in the present embodiment is formed in a region surrounded by a groove 8,9, and includes the excretion portion facing section. また、中高部21は、固定部35A,35Bに挟まれた非接合部35Cの形成領域に形成されており、これにより、パッド着用時に、図4に示すように下着の股下部50の内面50aから浮き上がり、前記排泄部対向部に密着する。 Further, the domed section 21, fixing section 35A, which is formed in the formation region of the unbonded portion 35C sandwiched 35B, thereby, when the pad wear, the inner surface 50a of the crotch portion 50 of an undergarment as shown in FIG. 4 lifting from close contact with the excretory part facing section. このように、中高部21が形成されていることによって、着用時における失禁パッド1の肌当接面と前記排泄部対向部との密着性がより一層高められ、また、着用時に吸収体2がヨレにくくなる。 Thus, by the domed section 21 is formed, adhesion to the skin contact surface of the incontinence pad 1 and the excretion portion facing section is further improved at the time of wearing, and the absorber 2 when worn twisting become Nikuku. また、本実施形態のように溝9を設けなくても中高部21そのものによって前側領域5A及び後側領域5Bが肌当接面側に屈曲し易くなるので、厚みの境界部を折り曲げ部9として利用することも可能である。 Further, since the front region 5A and the back region 5B is easily bent on the skin contacting side by what its domed section 21 without providing the groove 9 as in this embodiment, as bent portions 9 boundary thickness it is also possible to use.

吸収体2における中高部21の厚みをT1、吸収体2における中高部21以外の部分(中高部21よりも厚みの小さい部分)の厚みをT2とした場合、T1とT2との比(T1/T2)は、好ましくは1.5〜6、更に好ましくは2〜4である。 If the thickness of the domed section 21 of the absorbent body 2 T1, the thickness of the portion other than the domed section 21 of the absorber 2 (a small part of the thickness than the domed section 21) was T2, the ratio between T1 and T2 (T1 / T2) is preferably 1.5 to 6, more preferably 2 to 4.

失禁パッド1における各部の形成材料について説明すると、吸収体2、第1裏面シート3、表面シート4及び弾性部材6としては、それぞれ、従来のこの種の吸収性物品において用いられているものを特に制限なく用いることができる。 Referring to the material for forming the respective parts in the incontinence pad 1, the absorber 2, the first backsheet 3, the topsheet 4 and the elastic member 6, in particular those which are respectively used in conventional absorbent articles of this kind it can be used without restriction.
吸収体2としては、例えば、パルプ繊維等の繊維集合体に必要に応じ吸収性ポリマーを含有させたものを用いることができる。 The absorbent body 2, for example, can be used which contains an absorbent polymer as required to the fiber aggregate, such as pulp fibers. 吸収体2は、ティッシュペーパー等の紙や各種不織布等の被覆シートで被覆されていても良い。 Absorber 2 may be covered with a cover sheet such as paper or various nonwoven fabrics, such as tissue paper. また、第1裏面シート3としては、例えば透湿性を有しない樹脂フィルムや、微細孔を有し透湿性を有する樹脂フィルム、撥水不織布等の不織布、あるいはこれらを適宜貼り合わせてなる複合シート等を用いることができる。 As the first backsheet 3, for example, a resin film or having no moisture-permeable resin film having a moisture permeability has fine pores, nonwoven fabric such as a water-repellent nonwoven fabric, or composite sheets made by bonding these appropriately it can be used. また、表面シート4としては、例えば不織布や開孔フィルム等の各種液透過性のシート材を用いることができる。 As the surface sheet 4 may be, for example, non-woven fabric or various liquid permeable sheet material, such as a porous film. また、弾性部材6の構成材料としては、例えばポリオレフィン類、ポリウレタン類及びこれらの共重合体、又は天然ゴム等からなる弾性材料等を用いることができる。 Also, the material for the elastic members 6, for example polyolefins, can be used polyurethanes and copolymers thereof, or an elastic material such as made of natural rubber.

本実施形態の失禁パッド1は、上述したように、下着の股下部50の内面50aに固定手段7を介して固定した状態で着用されることで、非接合部35Cの形成領域(中央領域5C)が該内面50aから浮き上がり(図4参照)、該形成領域の肌当接面側が着用者の排泄部対向部に常に密着する。 Incontinence pad 1 of the present embodiment, as described above, it is worn in a state of being fixed via a fixing means 7 to the inner surface 50a of the crotch portion 50 of the undergarment, forming regions unbonded portion 35C (the central region 5C ) reference lift from the inner surface 50a (FIG. 4), the skin contacting side of the forming area are always in close contact with the excretory part opposite of the wearer. このため、本実施形態の失禁パッド1は、身体に対する追従性に優れ密着性が高く、漏れや違和感を生じ難い。 Thus, the incontinence pad 1 of this embodiment, excellent adhesion is high in the followability to the body, hardly occurs leakage and discomfort.
また、吸収体2に中高部21が形成されている場合には、着用時における失禁パッド1の肌当接面と前記排泄部対向部との密着性がより一層高められると共に、着用時に吸収体2がヨレにくくなるため、失禁パッド1の身体に対するフィット性が一層高められる。 Further, when the domed portion 21 is formed in the absorber 2, adhesion between the excretion portion facing section and the skin contact surface of the incontinence pad 1 during wearing with more is further improved, the absorber when worn 2 to become Nikuku twisted, fit is further improved with respect to the body of the incontinence pad 1.

本発明の吸収性物品は、上述した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において種々変形可能である。 The absorbent article of the present invention is not intended to be limited to the embodiments described above, various modifications are possible without departing from the gist of the present invention.
例えば、前記実施形態では、弾性部材6は、非接合部35Cの形成領域の長手方向左右両側縁部に配されていたが、該形成領域の幅方向中央部に配しても良く、該形成領域の略全域に配しても良い。 For example, in the embodiment, the elastic member 6 has been arranged in the longitudinal direction left and right side edge portions of the formation region of the unbonded portion 35C, it may be arranged in the widthwise central portion of the forming area, the formation it may be arranged in a substantially entire area of ​​the region.
また、前記実施形態では、弾性部材6は、第1裏面シート3と第2裏面シート5との間における該第1裏面シート3の非肌当接面側に配されていたが、非接合部35Cの形成領域に配されていれば良く、表面シート4と吸収体2との間でも良く、吸収体2と第1裏面シート3との間でも良い。 In the above embodiment, the elastic member 6 has been arranged in the non-skin contact surface side of the first back sheet 3 between the first back sheet 3 and the second back sheet 5, the non-joint need only be arranged to 35C region formation may be between the topsheet 4 and the absorbent body 2 may be between the absorber 2 and the first backsheet 3. 尚、上述したように、弾性部材6は第2裏面シート5には配設されない。 As described above, the elastic member 6 is not disposed at the second backsheet 5.

また、前記実施形態では、固定手段7は、第2裏面シート5の非肌当接面側の長手方向前後端部(前側領域5A、後側領域5B)のみに配されていたが、これら前後端部に加えて、これら前後端部に挟まれた領域(中央領域5C)に配されていても良い。 In the above embodiment, the fixing means 7, the longitudinal front and rear end portions of the non-skin contact surface side of the second back sheet 5 (the front region 5A, the rear region 5B) had been provided only in the front and rear thereof in addition to the ends, it may be disposed in a region sandwiched between the front and rear end portions (central region 5C).
また、固定手段7は、前記実施形態では粘着剤を塗布することにより形成された粘着部であったが、メカニカルファスナーのオス材等から形成されていても良い。 The fixing means 7, the although the embodiment was an adhesive portion which is formed by applying an adhesive, may be formed from a male member or the like of the mechanical fastener.

また、前記実施形態では、中高部21は、吸収体2の厚みを、その長手方向中央部のみ大きくすることにより形成されていたが、下層吸収体の上に上層吸収体を積層することにより形成されていても良い。 The formation, in the embodiment, the domed section 21, the thickness of the absorber 2, by which had been formed by increasing only the longitudinal center, for laminating the upper layer absorbent body on the lower layer absorbent body it may be.
また、前記実施形態では、本発明の吸収性物品の適用例の一つとして失禁パッドを挙げたが、例えば生理用ナプキン、パンティライナー、おりものシート等にも適用できる。 In the above embodiment, although exemplified the incontinence pad as one application example of the absorbent article of the present invention can be applied for example sanitary napkins, panty liners, and the fabric sheet.

図1は、本発明の吸収性物品の一実施形態である失禁パッドの肌当接面側(表面シート側)を示す平面図である。 Figure 1 is a plan view showing one skin of the incontinence pad which is an embodiment facing side of the absorbent article of the present invention (surface sheet side). 図2は、図1に示す失禁パッドの非肌当接面側(第2裏面シート側)を示す平面図である。 Figure 2 is a plan view showing the non-skin facing side of the incontinence pad shown in FIG. 1 (second backsheet side). 図3は、図1のI−I線断面を模式的に示す縦断面図である。 Figure 3 is a longitudinal sectional view schematically showing a sectional view taken along line I-I of FIG. 図4は、図1に示す失禁パッドの使用状態を示す図3相当図である。 Figure 4 is a 3 corresponds showing operation of the incontinence pad shown in FIG.

符号の説明 DESCRIPTION OF SYMBOLS

1 失禁パッド2 吸収体21 中高部3 第1裏面シート4 表面シート5 第2裏面シート5A 前側領域(第2裏面シートの長手方向前端部) 1 the incontinence pad 2 absorber 21 domed section 3 first backsheet 4 topsheet 5 second backsheet 5A front region (front longitudinal end of the second backsheet)
5a 第2裏面シートの長手方向前端5B 後側領域(第2裏面シートの長手方向後端部) 5a front longitudinal end 5B posterior region of the second backsheet (rear longitudinal end of the second backsheet)
5b 第2裏面シートの長手方向後端5C 中央領域6 弾性部材7 固定手段8 溝9 溝(折り曲げ部) 5b longitudinally rear end 5C central region 6 elastic member 7 fixing means 8 groove 9 grooves of the second back sheet (bent portion)
35A,35B 固定部35C 非接合部50 下着の股下部50a 下着の股下部の内面(肌当接面) 35A, 35B fixing portion 35C inside surface of the crotch portion of the crotch portion 50a undergarment unbonded portion 50 undergarment (skin contact surface)

Claims (2)

  1. 液保持性の吸収体と、その非肌当接面側に配された第1裏面シートとを有し、肌当接面側へ屈曲させて長手方向に沿う前側領域、中央領域及び後側領域を形成する契機となる折り曲げ部を有する縦長の吸収性物品であって、 A liquid retentive absorbent member, its and a non-skin first backsheet disposed on contact surface side, front region in the longitudinal direction by bending the skin contact surface side, the central region and the back region an absorbent article elongated to have a bent portion becomes a trigger for forming,
    第1裏面シートの非肌当接面側に第2裏面シートが配されており、第2裏面シートは、その長手方向前後端部それぞれが第1裏面シートに固定されて固定部を形成しており、これらの固定部の間に位置する第1裏面シートと第2裏面シートとの間は、互いに接合されずに非接合部を形成しており、 And second backsheet is arranged at the non-skin contact surface side of the first backsheet, second backsheet, each of the longitudinal front and rear ends to form a fixing portion fixed to the first backsheet cage, between the first backsheet and a second backsheet located between the fixed portion forms a non-bonded portion without being bonded to each other,
    前記非接合部の形成領域における第1裏面シート側には、弾性部材がその伸縮方向を前記吸収性物品の長手方向に一致させて伸長状態で配され、 Wherein the first backsheet side in the formation region of the non-bonding portion is arranged in a stretched state by the expansion and contraction direction of the elastic member is aligned with the longitudinal direction of the absorbent article,
    第2裏面シートにおける非肌当接面側の前記前側領域及び前記後側領域それぞれに、前記吸収性物品を着衣に固定する固定手段が配されている吸収性物品。 Non-skin on the respective front region and the rear region of the contact surface side, an absorbent article securing means for securing said absorbent article to the clothing are arranged in the second backsheet.
  2. 前記吸収体は、前記中央領域に、前記前側領域及び前記後側領域よりも肌当接面側に突出する中高部を有している請求項1記載の吸収性物品。 The absorbent body, said central region, said front region and the absorbent article according to claim 1, wherein has a domed portion protruding skin contact surface side of the rear region.
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US8979815B2 (en) 2012-12-10 2015-03-17 The Procter & Gamble Company Absorbent articles with channels
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US9066838B2 (en) 2011-06-10 2015-06-30 The Procter & Gamble Company Disposable diaper having reduced absorbent core to backsheet gluing
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