JP2003153955A - Open type disposal diaper - Google Patents
Open type disposal diaperInfo
- Publication number
- JP2003153955A JP2003153955A JP2001358289A JP2001358289A JP2003153955A JP 2003153955 A JP2003153955 A JP 2003153955A JP 2001358289 A JP2001358289 A JP 2001358289A JP 2001358289 A JP2001358289 A JP 2001358289A JP 2003153955 A JP2003153955 A JP 2003153955A
- Authority
- JP
- Japan
- Prior art keywords
- flap
- diaper
- slit
- waist region
- liquid
- 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、***物を吸収、保
持する開放型の使い捨ておむつに関する。TECHNICAL FIELD The present invention relates to an open-type disposable diaper that absorbs and retains excrement.
【０００２】[0002]
【従来の技術】特開平１０−２８６２７９号公報は、透
液性表面シートと不透液性裏面シートとの間に吸液性コ
アが介在し、縦方向に前胴周り域および後胴周り域と、
それら胴周り域の間に位置する股下域とを備え、前後胴
周り域の両側部から横方向外方へフラップが延び、後胴
周り域のフラップを前胴周り域に着脱可能に止着して着
用する開放型の使い捨ておむつを開示している。2. Description of the Related Art Japanese Patent Laid-Open No. 10-286279 discloses a front waist region and a rear waist region in which a liquid-absorbent core is interposed between a liquid-permeable top sheet and a liquid-impermeable back sheet. When,
With a crotch region located between those waist regions, flaps extend laterally outward from both sides of the front and rear waist regions, and the rear waist region flaps are detachably fastened to the front waist region. Disclosed is an open-type disposable diaper to be worn by a user.
【０００３】それらフラップは、横方向に内端部および
外端部と、それら端部の間に位置する中央部とを有す
る。それらフラップの内端部は、前後胴周り域の両側部
に固着されている。後胴周り域のフラップの外端部に
は、横方向外方へ延びるテープファスナが取り付けられ
ている。後胴周り域のフラップは、横方向へ弾性的な伸
縮性を有する通気性繊維不織布と、弾性的な伸縮性を有
する複数条の弾性素材とから形成されている。弾性素材
は、非伸長状態にある通気性繊維不織布に横方向へ連続
的かつ縦方向へ間欠的に塗布されている。The flaps have laterally inner and outer ends and a central portion located between the ends. The inner ends of the flaps are fixed to both sides of the front and rear waist regions. A tape fastener extending laterally outward is attached to the outer end of the flap in the rear waist region. The flap in the rear waist region is formed of a breathable fibrous nonwoven fabric having elastic elasticity in the lateral direction and a plurality of elastic materials having elastic elasticity. The elastic material is applied to the non-stretched breathable fibrous nonwoven fabric continuously in the transverse direction and intermittently in the longitudinal direction.
【０００４】このおむつは、その着用時に、後胴周り域
のフラップを前胴周り域のフラップの外側に重ね合わ
せ、テープファスナを前胴周り域の外面に止着し、後胴
周り域のフラップを介して前後胴周り域を連結する。こ
のおむつでは、後胴周り域のフラップが弾性的な伸縮性
を有するので、おむつを着用したときに後胴周り域のフ
ラップによって着用者の胴部を締め付けることができ
る。このおむつでは、後胴周り域のフラップに不規則な
多数の皺が生じることはないので、皺によって着用者に
不快な刺激を与えることがない。When this diaper is worn, the flap in the rear waist region is overlapped with the outside of the front waist region flap, and the tape fastener is fixed to the outer surface of the front waist region, and the rear waist region flap is secured. Connect the front and rear waist regions through. In this diaper, since the flap in the back waist region has elastic elasticity, the wearer's torso can be fastened by the flap in the back waist region when the diaper is worn. In this diaper, since the flaps around the rear waist region do not have many irregular wrinkles, the wrinkles do not give an unpleasant stimulus to the wearer.
【０００５】[0005]
【発明が解決しようとする課題】前記公報に開示のおむ
つでは、その着用中に着用者の脚部の動きによって、前
後胴周り域を連結している後胴周り域のフラップの中央
下部が不規則に動き、中央下部の動きがそのままフラッ
プの中央上部に伝わる。このおむつでは、後胴周り域の
フラップの中央下部の動きが中央下部から中央上部に伝
わると、フラップの中央下部のみならず中央上部も動く
ので、着用者の胴部に対するフラップの中央上部の密着
状態を維持することができず、おむつがその着用中に当
初の着用位置からずれ動いてしまう場合がある。SUMMARY OF THE INVENTION In the diaper disclosed in the above publication, due to the movement of the wearer's legs while wearing the diaper, the central lower part of the flap in the rear waist region that connects the front and rear waist regions is unsatisfactory. It moves regularly, and the movement of the lower center is transmitted to the upper center of the flap as it is. In this diaper, when the movement of the lower central part of the flap in the back waist region is transmitted from the lower central part to the upper central part, not only the lower central part of the flap but also the upper central part moves, so that the upper central part of the flap adheres to the wearer's torso part. The condition may not be maintained, and the diaper may shift from its initial wearing position during its wearing.
【０００６】本発明の課題は、後胴周り域のフラップの
中央下部に生じた不規則な動きがフラップの中央上部に
伝わることを防ぎ、着用者の胴部に対するフラップの中
央上部の密着状態を維持して着用中のずれ動きを防ぐこ
とができる開放型の使い捨ておむつを提供することにあ
る。An object of the present invention is to prevent irregular movements generated in the lower central part of the flap in the rear waist region from being transmitted to the upper central part of the flap, and to ensure the close contact state of the upper central part of the flap to the wearer's torso part. An object of the present invention is to provide an open-type disposable diaper that can be maintained to prevent slippage during wear.
【０００７】[0007]
【課題を解決するための手段】前記課題を解決するため
の本発明の前提は、透液性の表面シートと、実質的に不
透液性の裏面シートと、それらシートの間に介在する吸
液性コアとから形成され、縦方向に前胴周り域および後
胴周り域と、それら胴周り域の間に位置する股下域とを
備え、前記後胴周り域の両側部から横方向外方へフラッ
プが延び、前記フラップが、横方向へ弾性的な伸縮性を
有するとともに、止着手段を介して前記前胴周り域の被
止着部に着脱可能な開放型の使い捨ておむつである。Means for Solving the Problems The premise of the present invention for solving the above problems is that a liquid-permeable top sheet, a substantially liquid-impermeable back sheet, and an absorbent sheet interposed between these sheets. A liquid core and a front waist region and a rear waist region in the longitudinal direction, and a crotch region positioned between the waist regions, and laterally outward from both sides of the rear waist region. It is an open-type disposable diaper in which a he flap extends, the flap has elastic stretchability in the lateral direction, and is attachable to and detachable from the fastened portion in the front waist region through fastening means.
【０００８】前記前提における本発明の特徴は、横方向
へ延びる所与寸法のスリットが、前記フラップの少なく
とも中央部に形成され、前記フラップの中央部が、前記
スリットを挟んで中央上部と中央下部とに分かれている
ことにある。A feature of the present invention based on the above-mentioned premise is that a slit having a given size extending in the lateral direction is formed in at least a central portion of the flap, and the central portion of the flap sandwiches the slit so that a central upper portion and a central lower portion are sandwiched therebetween. It is divided into and.
【０００９】本発明の実施の態様の一例としては、前記
スリットの横方向の長さ寸法が、前記フラップの横方向
の最大長さ寸法に対して５０〜９５％の範囲にある。As an example of an embodiment of the present invention, the lateral length of the slit is in the range of 50 to 95% of the maximum lateral length of the flap.
【００１０】本発明の実施の態様の他の一例としては、
前記フラップが、可撓性を有する伸縮性繊維不織布と伸
縮性プラスチックフィルムとのうちの少なくとも一方か
ら形成されている。As another example of the embodiment of the present invention,
The flap is formed from at least one of a stretchable fibrous nonwoven fabric having flexibility and a stretchable plastic film.
【００１１】[0011]
【発明の実施の形態】添付の図面を参照し、本発明にか
かる開放型の使い捨ておむつの詳細を説明すると、以下
のとおりである。BEST MODE FOR CARRYING OUT THE INVENTION The details of the open-type disposable diaper according to the present invention will be described below with reference to the accompanying drawings.
【００１２】図１，２は、一方のテープファスナ１４の
自由端部１４ｂをフラップ１２の外側へ折り返した状態
で示すおむつ１の部分破断斜視図と、図１のＡ−Ａ線端
面図とであり、図３は、着用状態で示すおむつ１の斜視
図である。図１では、横方向を矢印Ｘで示し、縦方向を
矢印Ｙで示す。図３では、着用者２２を二点鎖線で示
す。なお、表裏面シート２，３や防漏シート５の内面と
は、コア４に対向する面をいい、それらシート２，３，
５の外面とは、コア４に非対向の面をいう。FIGS. 1 and 2 are a partially cutaway perspective view of the diaper 1 showing the free end portion 14b of one tape fastener 14 folded back to the outside of the flap 12 and an end view taken along the line AA of FIG. Yes, FIG. 3 is a perspective view of the diaper 1 shown in a worn state. In FIG. 1, the horizontal direction is indicated by arrow X and the vertical direction is indicated by arrow Y. In FIG. 3, the wearer 22 is indicated by a chain double-dashed line. The inner surfaces of the front and back sheets 2 and 3 and the leakproof sheet 5 refer to the surfaces facing the core 4, and the sheets 2, 3 and
The outer surface of 5 is a surface that does not face the core 4.
【００１３】おむつ１は、肌当接側に位置する透液性の
表面シート２と、肌非当接側に位置する実質的に不透液
性の裏面シート３と、表裏シート２，３の間に介在して
それらシート２，３のうちの少なくとも一方の内面に固
着された吸液性コア４とを主要な構成部材とする。おむ
つ１は、それら部材の他に、肌当接側に位置する実質的
に不透液性の防漏シート５を有する。The diaper 1 comprises a liquid-permeable topsheet 2 located on the skin contact side, a substantially liquid-impermeable backsheet 3 located on the skin non-contact side, and front and back sheets 2 and 3. The liquid-absorbent core 4 fixed to the inner surface of at least one of the sheets 2 and 3 interposed therebetween is a main constituent member. In addition to these members, the diaper 1 has a substantially liquid-impervious leakproof sheet 5 located on the skin contact side.
【００１４】おむつ１は、縦方向に前胴周り域６および
後胴周り域８と、それら胴周り域６，８の間に位置する
股下域７とを備え、横方向へ延びる両端部９と、縦方向
へ延びる両側部１０とを有する。前後胴周り域６，８の
両側部１０には、横方向外方へ延びるフラップ１１，１
２が取り付けられている。The diaper 1 is provided with a front waist region 6 and a rear waist region 8 in the longitudinal direction, and a crotch region 7 located between the waist regions 6 and 8, and both end portions 9 extending in the lateral direction. , Both side portions 10 extending in the vertical direction. On both sides 10 of the front and rear waist regions 6, 8, flaps 11, 1 extending laterally outward are provided.
2 is attached.
【００１５】フラップ１１，１２は、横方向に内端部１
１ａ，１２ａおよび外端部１１ｃ，１２ｃと、それら端
部１１ａ，１２ａ，１１ｃ，１２ｃの間に位置する中央
部１１ｂ，１２ｂとを有する。フラップ１１，１２で
は、その内端部１１ａ，１２ａが前後胴周り域６，８の
両側部１０に固着されている。前胴周り域６のフラップ
１１は、実質的に非伸縮性の繊維不織布から形成されて
いる。後胴周り域８のフラップ１２は、横方向と縦方向
とヘ弾性的な伸縮性を有する繊維不織布から形成さてい
る。The flaps 11 and 12 are arranged laterally in the inner end portion 1.
1a, 12a and outer end portions 11c, 12c, and central portions 11b, 12b located between the end portions 11a, 12a, 11c, 12c. Inner ends 11a and 12a of the flaps 11 and 12 are fixed to both side parts 10 of the front and rear waist regions 6 and 8. The flap 11 in the front waist region 6 is formed of a substantially non-stretchable fibrous nonwoven fabric. The flap 12 in the rear waist region 8 is formed of a fibrous nonwoven fabric having elastic elasticity in the transverse direction and the longitudinal direction.
【００１６】後胴周り域８のフラップ１２の中央部１２
ｂには、横方向へ延びる所与寸法の１条のスリット１３
が形成されている。フラップ１２の中央部１２ｂは、ス
リット１３を挟んで中央上部１２ｄと中央下部１２ｅと
に分かれている。フラップ１２の外端部１２ｃには、そ
こから横方向外方へ延びるテープファスナ１４（止着手
段）が取り付けられている。The central portion 12 of the flap 12 in the rear waist region 8
In b, a single slit 13 of a given dimension extending in the lateral direction is provided.
Are formed. The central portion 12b of the flap 12 is divided into a central upper portion 12d and a central lower portion 12e with the slit 13 in between. Attached to the outer end 12c of the flap 12 is a tape fastener 14 (fastening means) that extends laterally outward from the outer end 12c.
【００１７】テープファスナ１４は、フラップ１２の外
端部１２ｃに固着された固定端部１４ａと、固定端部１
４ａから横方向外方へ延びる自由端部１４ｂとを有す
る。自由端部１４ｂには、メカニカルファスナのうちの
フック部材１５が取り付けられている。テープファスナ
１４では、自由端部１４ｂがおむつ１の内側に向かって
折曲され、自由端部１４ｂがフック部材１５を介してフ
ラップ１２に仮着されている。前胴周り域６における裏
面シート３の外面には、テープファスナ１４を着脱可能
に止着する横方向へ長い矩形のターゲットテープ１６
（被止着部）が取り付けられている。ターゲットテープ
１６は、メカニカルファスナのうちのループ部材から形
成されている。The tape fastener 14 has a fixed end 14a fixed to the outer end 12c of the flap 12 and a fixed end 1.
4a and a free end 14b extending laterally outward. A hook member 15 of the mechanical fastener is attached to the free end portion 14b. In the tape fastener 14, the free end portion 14 b is bent toward the inside of the diaper 1, and the free end portion 14 b is temporarily attached to the flap 12 via the hook member 15. On the outer surface of the back sheet 3 in the front waist region 6, a rectangular target tape 16 that is detachably fixed to the tape fastener 14 and is long in the lateral direction.
(Fixed part) is attached. The target tape 16 is formed of a loop member of the mechanical fastener.
【００１８】両端部９には、横方向へ延びる帯状の胴周
り用弾性部材１７が伸長状態で取り付けられている。股
下域７の両側部１０には、縦方向へ延びる複数条の脚周
り用弾性部材１８が伸長状態で取り付けられている。At both ends 9, a band-shaped elastic member 17 for the waist circumference extending in the lateral direction is attached in a stretched state. On both sides 10 of the crotch region 7, a plurality of leg elastic members 18 extending in the longitudinal direction are attached in a stretched state.
【００１９】防漏シート５は、おむつ１の両側部１０に
位置し、股下域７から前後胴周り域６，８へ向かって縦
方向へ延びている。防漏シート５は、コア４の両側縁４
ｂの外側近傍に固着されて縦方向へ延びる固定側部５ａ
と、表面シート２の上方へ起立性向を有して縦方向へ延
びる自由側部５ｂと、おむつ１の横方向内方へ倒伏した
状態で前後胴周り域６，８に固着された固定両端部５ｃ
とを有する。自由側部５ｂには、縦方向へ延びる伸縮性
弾性部材１９が伸長状態で取り付けられている。弾性部
材１９は、自由側部５ｂの一部に被覆されている。The leak-proof sheet 5 is located on both sides 10 of the diaper 1 and extends vertically from the crotch region 7 toward the front and rear waist regions 6, 8. The leak-proof sheet 5 is provided on both side edges 4 of the core 4.
a fixed side portion 5a that is fixed near the outer side of b and extends in the vertical direction.
And a free side portion 5b extending upward in the vertical direction with an uprighting tendency above the surface sheet 2, and fixed end portions fixed to the front and rear waist regions 6, 8 in a state of lying inward in the lateral direction of the diaper 1. 5c
Have and. A stretchable elastic member 19 extending in the vertical direction is attached to the free side portion 5b in a stretched state. The elastic member 19 is covered on a part of the free side portion 5b.
【００２０】おむつ１を着用するには、テープファスナ
１４の自由端部１４ｂをフラップ１２から剥がし、自由
端部１４ｂをフラップ１２の外側へ折り返す。その後、
後胴周り域８のフラップ１２を前胴周り域６のフラップ
１１の外側に重ね合わせ、フック部材１５を介してテー
プファスナ１４の自由端部１４ｂをターゲットテープ１
６に止着する。着用状態にあるおむつ１は、前胴周り域
６と後胴周り域８とが後胴周り域８のフラップ１２を介
して連結されており、胴周り開口とその下方に一対の脚
周り開口とを有する。To wear the diaper 1, the free end 14b of the tape fastener 14 is peeled from the flap 12 and the free end 14b is folded back to the outside of the flap 12. afterwards,
The flap 12 of the rear waist region 8 is superposed on the outside of the flap 11 of the front waist region 6, and the free end 14b of the tape fastener 14 is attached to the target tape 1 via the hook member 15.
Fasten to 6. In the worn diaper 1, the front waist region 6 and the back waist region 8 are connected via the flaps 12 of the back waist region 8, and the waist opening and a pair of leg openings below the waist opening. Have.
【００２１】おむつ１では、後胴周り域８のフラップ１
２が伸縮性繊維不織布から形成されているので、おむつ
１の着用時にフラップ１２が横方向へ伸長し、フラップ
１２によって着用者２２の胴部２３を締め付けることが
できる。おむつ１では、図３に示すように、その着用中
に着用者２２の脚部２４の動きによって、スリット１３
の下に位置するフラップ１２の中央下部１２ｅが不規則
に動いたとしても、フラップ１２にスリット１３が形成
されているので、その動きがスリット１３で打ち消さ
れ、中央下部１２ｅの動きがスリット１３を越えてスリ
ット１３の上に位置するフラップ１２の中央上部１２ｄ
に伝わることはない。ゆえに、おむつ１では、着用者２
２の胴部２３に対するフラップ１２の中央上部１２ｄの
密着状態を維持することができる。おむつ１では、中央
上部１２ｄの収縮力を利用して着用者２２の胴部２３を
締め付けることができるので、おむつ１がその着用中に
当初の着用位置から不用意にずれ動いてしまうことはな
い。In the diaper 1, the flap 1 of the rear waist region 8
Since 2 is formed of a stretchable fibrous nonwoven fabric, the flap 12 extends laterally when the diaper 1 is worn, and the body portion 23 of the wearer 22 can be tightened by the flap 12. In the diaper 1, as shown in FIG. 3, the slits 13 are formed by the movement of the legs 24 of the wearer 22 during wearing.
Even if the lower central part 12e of the flap 12 located under the bottom part moves irregularly, since the slit 13 is formed in the flap 12, the movement is canceled by the slit 13, and the movement of the central lower part 12e causes the slit 13 to move. The central upper part 12d of the flap 12 which is located over the slit 13
Will not be transmitted to. Therefore, in the diaper 1, the wearer 2
It is possible to maintain the close contact state of the central upper portion 12d of the flap 12 to the second body portion 23. In the diaper 1, the trunk portion 23 of the wearer 22 can be tightened by utilizing the contracting force of the central upper portion 12d, so that the diaper 1 does not inadvertently shift from the initial wearing position during wearing. .
【００２２】おむつ１では、スリット１３の横方向の長
さ寸法Ｌ１がフラップ１２の横方向の最大長さ寸法Ｌ２
に対して５０〜９５％の範囲にあることが好ましい。こ
こで、フラップ１２の横方向の最大長さ寸法Ｌ２とは、
後胴周り域８の両側部１０の側縁１０ａからフラップ１
２の外端部１２ｃの端縁１２ｆまでの横寸法のうちの最
長寸法を指す。フラップ１２の横方向の最大長さ寸法Ｌ
２が１０ｃｍの場合は、スリット１３の横方向の長さ寸
法Ｌ１が５〜９．５ｃｍの範囲となる。In the diaper 1, the lateral length L1 of the slit 13 is the maximum lateral length L2 of the flap 12.
It is preferably in the range of 50 to 95%. Here, the maximum lateral length L2 of the flap 12 is
From the side edges 10a of both sides 10 of the rear waist region 8 to the flap 1
2 refers to the longest dimension of the lateral dimensions up to the edge 12f of the outer end portion 12c. The maximum lateral length L of the flap 12
When 2 is 10 cm, the lateral length dimension L1 of the slit 13 is in the range of 5 to 9.5 cm.
【００２３】スリット１３の横方向の長さ寸法Ｌ１がフ
ラップ１２の横方向の最大長さ寸法Ｌ２に対して５０％
未満では、フラップ１２の中央下部１２ｅの動きをスリ
ット１３で打ち消すことができず、中央下部１２ｅの動
きが中央上部１２ｄに伝わり、着用者２２の胴部２３に
対するフラップ１２の中央上部１２ｄの密着状態を維持
することができない。スリット１３の横方向の長さ寸法
Ｌ１がフラップ１２の横方向の最大長さ寸法Ｌ２に対し
て９５％を超過すると、スリット１３から外端部１２ｃ
へ向かってフラップ１２の破断が生じ易く、フラップ１
２自体が縦方向へ２つに分断されてしまう場合がある。The lateral length L1 of the slit 13 is 50% of the maximum lateral length L2 of the flap 12.
If it is less than, the movement of the central lower portion 12e of the flap 12 cannot be canceled by the slit 13, the movement of the central lower portion 12e is transmitted to the central upper portion 12d, and the close contact state of the central upper portion 12d of the flap 12 to the body portion 23 of the wearer 22. Can't be maintained. When the lateral length L1 of the slit 13 exceeds 95% of the lateral maximum length L2 of the flap 12, the slit 13 causes the outer end portion 12c to move.
The flap 12 is liable to be broken toward the flap 1
2 itself may be vertically divided into two.
【００２４】おむつ１では、それが表面シート２を内側
にして縦方向へ湾曲すると、弾性部材１９が収縮して防
漏シート５の自由縁部５ｂが表面シート２の上方へ起立
する。おむつ１では、防漏シート５の自由縁部５ｂが排
泄物に対する障壁を形成し、股下域７からの***物の漏
れを防止することができる。In the diaper 1, when the diaper 1 is curved in the longitudinal direction with the surface sheet 2 inside, the elastic member 19 contracts and the free edge portion 5b of the leak-proof sheet 5 stands up above the surface sheet 2. In the diaper 1, the free edge portion 5b of the leak preventive sheet 5 forms a barrier against excrement, and thus leakage of excrement from the crotch region 7 can be prevented.
【００２５】おむつ１の両端部９では、コア４の両端縁
４ａから表面シート２の端部２ａと裏面シート３の端部
３ａとが縦方向外方へ延び、それらシート２，３の端部
２ａ，３ａ内面どうしが互いに重なり合った状態で固着
されている。防漏シート５の固定両端部５ｃは、表面シ
ート２の端部２ａ外面に固着されている。胴周り用弾性
部材１７は、表面シート２の端部２ａと裏面シート３の
端部３ａとの間に介在し、それらシート２，３の端部２
ａ，３ａ内面に固着されている。At both end portions 9 of the diaper 1, the end portions 2a of the top sheet 2 and the end portions 3a of the back sheet 3 extend longitudinally outward from both end edges 4a of the core 4, and the end portions of the sheets 2 and 3 are extended. The inner surfaces 2a and 3a are fixed to each other in a state of overlapping each other. Both fixed end portions 5c of the leakproof sheet 5 are fixed to the outer surface of the end portion 2a of the topsheet 2. The waist elastic member 17 is interposed between the end portion 2a of the topsheet 2 and the end portion 3a of the backsheet 3, and the end portions 2 of the sheets 2 and 3 are interposed.
It is fixed to the inner surfaces of a and 3a.
【００２６】おむつ１の両側部１０では、コア４の両側
縁４ｂから横方向外方へ表面シート２の側部２ｂがわず
かに延び、側部２ｂからさらに横方向外方へ裏面シート
３の側部３ｂと防漏シート５の固定側部５ａとが延びて
いる。両側部１０では、表面シート２の側部２ｂが裏面
シート３の側部３ｂと防漏シート５の固定側部５ａとの
間に介在し、それらシート２，３，５の側部２ｂ，３
ｂ，５ａどうしが互いに重なり合った状態で固着されて
いる。フラップ１１，１２の内端部１１ａ，１２ａは、
裏面シート３の側部３ｂと防漏シート５の固定側部５ａ
との間に介在し、それらシート３，５の側部３ｂ，５ａ
内面に固着されている。脚周り用弾性部材１８は、裏面
シート３の側部３ｂと防漏シート５の固定側部５ａとの
間に介在し、それらシート３，５の側部３ｂ，５ａ内面
に固着されている。In both side portions 10 of the diaper 1, the side portions 2b of the topsheet 2 slightly extend laterally outward from both side edges 4b of the core 4, and the side portion 2b extends further laterally outward from the backsheet 3 side. The portion 3b and the fixed side portion 5a of the leakproof sheet 5 extend. In the both side portions 10, the side portion 2b of the topsheet 2 is interposed between the side portion 3b of the backsheet 3 and the fixed side portion 5a of the leakproof sheet 5, and the side portions 2b, 3 of the sheets 2, 3, 5 are provided.
b and 5a are fixed in a state of overlapping each other. The inner ends 11a and 12a of the flaps 11 and 12 are
The side portion 3b of the back sheet 3 and the fixed side portion 5a of the leak-proof sheet 5
And the side portions 3b, 5a of the sheets 3, 5
It is fixed to the inner surface. The leg elastic member 18 is interposed between the side portion 3b of the back sheet 3 and the fixed side portion 5a of the leak-proof sheet 5 and fixed to the inner surfaces of the side portions 3b and 5a of the sheets 3 and 5.
【００２７】表面シート２には、親水性繊維不織布、多
数の開孔を有する疎水性繊維不織布、微細な多数の開孔
を有する透液性プラスチックフィルムのいずれかを使用
することができる。裏面シート３や防漏シート５には、
疎水性繊維不織布、通気不透液性プラスチックフィル
ム、疎水性繊維不織布を重ね合わせた複合不織布、疎水
性繊維不織布と通気不透液性プラスチックフィルムとを
重ね合わせた複合シートのいずれかを使用することがで
きる。テープファスナ１４には、可撓性を有するプラス
チックフィルムや繊維不織布を使用することができる。For the surface sheet 2, any one of a hydrophilic fibrous nonwoven fabric, a hydrophobic fibrous nonwoven fabric having a large number of openings and a liquid-permeable plastic film having a large number of fine openings can be used. For the back sheet 3 and the leak preventive sheet 5,
Use of hydrophobic fiber nonwoven fabric, breathable liquid-impervious plastic film, composite nonwoven fabric made by superposing hydrophobic fiber nonwoven fabric, or composite sheet made by overlapping hydrophobic fiber nonwoven fabric and breathable liquid-impermeable plastic film You can For the tape fastener 14, a flexible plastic film or a fibrous non-woven fabric can be used.
【００２８】裏面シート３や防漏シート５には、高い耐
水性を有するメルトブローン法による繊維不織布を、高
い強度と良好な柔軟性とを有するスパンボンド法による
繊維不織布で挟んだ複合不織布を使用することもでき
る。For the back sheet 3 and the leak preventive sheet 5, a composite non-woven fabric in which a fibrous non-woven fabric having a high water resistance and made by the melt blown method is sandwiched between fibrous non-woven fabrics having a high strength and good flexibility is used. You can also
【００２９】不織布としては、スパンレース、ニードル
パンチ、メルトブローン、サーマルボンド、スパンポン
ド、ケミカルボンド、エアースルー、の各製法により製
造されたものを使用することができる。不織布の構成繊
維としては、ポリオレフィン系、ポリエステル系、ポリ
アミド系、の各繊維、ポリエチレン／ポリプロピレンや
ポリエチレン／ポリエステルからなる芯鞘型複合繊維ま
たは並列型複合繊維を使用することができる。As the non-woven fabric, those produced by spun lace, needle punch, melt blown, thermal bond, spun pond, chemical bond and air through processes can be used. As the constituent fibers of the non-woven fabric, polyolefin-based fibers, polyester-based fibers, polyamide-based fibers, core / sheath composite fibers or parallel-type composite fibers composed of polyethylene / polypropylene or polyethylene / polyester can be used.
【００３０】コア４は、フラッフパルプと高吸収性ポリ
マー粒子との混合物、または、フラッフパルプと高吸収
性ポリマー粒子と熱可塑性合成樹脂繊維との混合物であ
り、所要の厚みに圧縮されている。コア４は、それの型
崩れやポリマー粒子の脱落を防止するため、全体がティ
ッシュペーパーや親水性繊維不織布等の透液性シートに
被覆されていることが好ましい。ポリマー粒子として
は、デンプン系、セルロース系、合成ポリマー系のもの
を使用することができる。The core 4 is a mixture of fluff pulp and superabsorbent polymer particles or a mixture of fluff pulp, superabsorbent polymer particles and thermoplastic synthetic resin fibers, and is compressed to a required thickness. The core 4 is preferably entirely covered with a liquid-permeable sheet such as tissue paper or hydrophilic fibrous nonwoven fabric in order to prevent the core 4 from losing its shape and the polymer particles from falling off. As the polymer particles, starch-based, cellulose-based, and synthetic polymer-based particles can be used.
【００３１】フラップ１２を形成する伸縮性繊維不織布
には、メルトブローンやスパンボンドの各製法により製
造されたものを使用することができる。伸縮性不織布の
構成繊維には、熱可塑性エラストマー樹脂を溶融、紡糸
した伸縮性繊維を使用することができる。フラップ１２
には、可撓性を有する伸縮性プラスチックフィルムを使
用することもできる。また、フラップには、熱可塑性エ
ラストマー樹脂繊維からなる伸縮性繊維不織布の少なく
とも片面に、ポリプロピレン、ポリエチレン、ポリエス
テル、のいずれかの熱可塑性合成樹脂を溶融、紡糸した
捲縮繊維からなる繊維不織布を貼り合わせた複合不織布
を使用することもできる。The stretchable fibrous nonwoven fabric forming the flap 12 may be manufactured by melt blown or spun bond. As the constituent fibers of the stretchable nonwoven fabric, stretchable fibers obtained by melting and spinning a thermoplastic elastomer resin can be used. Flap 12
A flexible stretchable plastic film can also be used for this. In addition, the flap is a nonwoven fabric made of crimped fibers obtained by melting and spinning a thermoplastic synthetic resin of polypropylene, polyethylene, or polyester on at least one surface of a stretchable nonwoven fabric made of thermoplastic elastomer resin fibers. Combined composite non-woven fabrics can also be used.
【００３２】表裏面シートの固着や防漏シートの固着、
補強シートの固着、コアの固着、弾性部材の固着には、
ホットメルト型接着剤、または、ヒートシールやソニッ
クシール等の熱による溶着手段を利用することができ
る。The fixation of the front and back sheets and the adhesion of the leakproof sheet,
For fixing the reinforcing sheet, core, and elastic member,
It is possible to use a hot-melt adhesive or a heat welding means such as a heat seal or a sonic seal.
【００３３】おむつ１では、後胴周り域８のフラップ１
２の中央部１２ｂに１条のスリット１３が形成されてい
るが、２条を超過するスリットがフラップ１２の中央部
１２ｂに形成されていてもよい。また、おむつ１は、そ
れを形成する表面シート２と裏面シート３とが伸縮性繊
維不織布から形成され、前後胴周り域６，８の両側部１
０にフラップ１１，１２を取り付けることなく、フラッ
プが表面シート２と裏面シート３とのうちの少なくとも
裏面シート３から形成されていてもよい。In the diaper 1, the flap 1 in the rear waist region 8
Two slits 13 are formed in the central portion 12b of the flap 2, but more than two slits may be formed in the central portion 12b of the flap 12. In the diaper 1, the topsheet 2 and the backsheet 3 forming the diaper 1 are made of a stretchable fibrous nonwoven fabric, and both side portions 1 of the front and rear waist regions 6, 8 are formed.
The flap may be formed from at least the backsheet 3 of the topsheet 2 and the backsheet 3 without attaching the flaps 11 and 12 to 0.
【００３４】[0034]
【発明の効果】本発明にかかる開放型の使い捨ておむつ
によれば、その着用中に着用者の脚部の動きによって、
後胴周り域のフラップの中央下部が不規則に動いたとし
ても、フラップの中央部にスリットが形成されているの
で、中央下部の動きがスリットで打ち消され、中央下部
の動きがスリットを越えてフラップの中央部上方に伝わ
ることはない。ゆえに、このおむつでは、着用者の胴部
に対する後胴周り域のフラップの中央上部の密着状態を
維持することができ、おむつがその着用中に当初の着用
位置からずれ動いてしまうことを防ぐことができる。According to the open type disposable diaper of the present invention, the movement of the legs of the wearer while wearing the diaper causes
Even if the lower center of the flap around the back waist moves irregularly, a slit is formed in the center of the flap, so the movement of the lower center is canceled by the slit, and the movement of the lower center exceeds the slit. It does not reach above the center of the flap. Therefore, in this diaper, it is possible to maintain the close contact state of the center upper part of the flap in the rear waist region with respect to the wearer's torso, and prevent the diaper from shifting from its original wearing position during wearing. You can
【図１】おむつの部分破断斜視図。FIG. 1 is a partially cutaway perspective view of a diaper.
【図２】図１のＡ−Ａ線端面図。FIG. 2 is an end view taken along the line AA of FIG.
【図３】着用状態で示すおむつの斜視図。FIG. 3 is a perspective view of the diaper shown in a worn state.
１ 開放型の使い捨ておむつ ２ 表面シート ３ 裏面シート ４ 吸液性コア ６ 前胴周り域 ７ 股下域 ８ 後胴周り域 １０ 両側部 １２ フラップ １２ｂ 中央部 １２ｄ 中央上部 １２ｅ 中央下部 １３ スリット １４ テープファスナ（止着手段） １６ ターゲットテープ（被止着部） Ｌ１ 長さ寸法 Ｌ２ 最大長さ寸法 1 Open type disposable diapers 2 Top sheet 3 back sheet 4 Liquid-absorbent core 6 front waist area 7 inseam 8 rear waist area 10 both sides 12 flaps 12b central part 12d upper center 12e Lower center 13 slits 14 Tape fastener (fastening means) 16 Target tape (attached part) L1 length dimension L2 maximum length dimension
Claims (3)
性の裏面シートと、それらシートの間に介在する吸液性
コアとから形成され、縦方向に前胴周り域および後胴周
り域と、それら胴周り域の間に位置する股下域とを備
え、前記後胴周り域の両側部から横方向外方へフラップ
が延び、前記フラップが、横方向へ弾性的な伸縮性を有
するとともに、止着手段を介して前記前胴周り域の被止
着部に着脱可能な開放型の使い捨ておむつにおいて、 横方向へ延びる所与寸法のスリットが、前記フラップの
少なくとも中央部に形成され、前記フラップの中央部
が、前記スリットを挟んで中央上部と中央下部とに分か
れていることを特徴とする前記おむつ。1. A liquid-permeable top sheet, a substantially liquid-impermeable back sheet, and a liquid-absorbent core interposed between the sheets. A waist region and a crotch region located between the waist regions, the flaps extend laterally outward from both sides of the rear waist region, and the flaps have elastic elasticity in the lateral direction. And a detachable open-type disposable diaper which is detachable from the fastened portion of the front waist region through fastening means, wherein a slit having a given lateral extension is formed at least in the center of the flap. The diaper is characterized in that the central portion of the flap is divided into an upper central portion and a lower central portion with the slit interposed therebetween.
記フラップの横方向の最大長さ寸法に対して５０〜９５
％の範囲にある請求項１記載のおむつ。2. The lateral length dimension of the slit is 50 to 95 with respect to the lateral maximum length dimension of the flap.
The diaper according to claim 1, which is in the range of%.
繊維不織布と伸縮性プラスチックフィルムとのうちの少
なくとも一方から形成されている請求項１または請求項
２に記載のおむつ。3. The diaper according to claim 1, wherein the flap is formed of at least one of a stretchable fibrous nonwoven fabric having flexibility and a stretchable plastic film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001358289A JP2003153955A (en) | 2001-11-22 | 2001-11-22 | Open type disposal diaper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001358289A JP2003153955A (en) | 2001-11-22 | 2001-11-22 | Open type disposal diaper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003153955A true JP2003153955A (en) | 2003-05-27 |
Family
ID=19169490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001358289A Pending JP2003153955A (en) | 2001-11-22 | 2001-11-22 | Open type disposal diaper |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003153955A (en) |
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-
2001
- 2001-11-22 JP JP2001358289A patent/JP2003153955A/en active Pending
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