JP2003199789A - Throwaway wearing article - Google Patents
Throwaway wearing articleInfo
- Publication number
- JP2003199789A JP2003199789A JP2002304581A JP2002304581A JP2003199789A JP 2003199789 A JP2003199789 A JP 2003199789A JP 2002304581 A JP2002304581 A JP 2002304581A JP 2002304581 A JP2002304581 A JP 2002304581A JP 2003199789 A JP2003199789 A JP 2003199789A
- Authority
- JP
- Japan
- Prior art keywords
- article according
- raised portion
- wearing article
- waist region
- region
- 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.)
- Granted
Links
Landscapes
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、使い捨てのおむ
つを一例とする使い捨ての着用物品に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disposable wearing article, for example, a disposable diaper.
【０００２】[0002]
【従来の技術】特許文献１に開示の使い捨ておむつは、
吸液性コアの股下域にコアの上面からくぼむ便溜め凹部
を有する。この凹部の周縁には隆起部が形成され、隆起
部はコアの他の部分よりも柔軟性を有している。2. Description of the Related Art The disposable diaper disclosed in Patent Document 1
In the crotch region of the liquid-absorbent core, there is a stool reservoir recessed from the upper surface of the core. A ridge is formed on the periphery of the recess, and the ridge is more flexible than the other parts of the core.
【０００３】[0003]
【特許文献１】実用新案登録公報第２５２３７１１号公
報[Patent Document 1] Utility Model Registration Publication No. 2523711
【０００４】[0004]
【発明が解決しようとする課題】前記公知の使い捨てお
むつでは、これを着用すると、隆起部が隆起部以外の部
位に比べて着用者の肛門周囲の肌に強く密着し、便を漏
らすことなく凹部へ収容することができる。また、隆起
部は柔軟性を有するから、肌に密着したときに隆起部だ
けが肌に強く当たっているというような不快感を与える
ことがない。しかし、コアは、一般に粉砕パルプまたは
粉砕パルプと高吸収性ポリマー粒子との混合物によって
形成されるもので、体圧の作用によって一度変形すると
元の形状に戻ることが難しい。コアが湿潤状態になる
と、元の形状に戻ることが一層難しくなる。コアがその
ような性状を有する前記公知のおむつでは、隆起部を長
時間にわたって肌に密着させておくことが難しい。ま
た、着用させたおむつを一度脱がせてから再度着用させ
ようとすると、隆起部が高さの低いものになっていて、
最初に着用させたときほどには肌に密着しないことがあ
る。In the above-mentioned known disposable diaper, when the diaper is worn, the protuberances are more closely attached to the skin around the anus of the wearer than the parts other than the protuberances, and the recesses do not leak stool. Can be housed in Further, since the ridge has flexibility, it does not give the discomfort that only the ridge strongly hits the skin when it comes into close contact with the skin. However, the core is generally formed of crushed pulp or a mixture of crushed pulp and superabsorbent polymer particles, and it is difficult to return to the original shape once deformed by the action of body pressure. When the core becomes wet, it becomes more difficult to return to its original shape. In the above-mentioned known diaper having the core having such a property, it is difficult to keep the raised portion in close contact with the skin for a long time. In addition, if you remove the worn diaper once and try to wear it again, the ridges are of a low height,
May not adhere to skin as well as when first worn.
【０００５】この発明では、隆起部で囲まれた内側に排
泄物を収容することができる前記公知の如き使い捨ての
おむつ等の着用物品において、その隆起部の肌に対する
密着性を改良することが課題である。In the present invention, it is an object of the present invention to improve the adhesion of the raised portion to the skin in a known wearing article such as a disposable diaper as described above, which is capable of accommodating excrement inside the raised portion. Is.
【０００６】[0006]
【課題を解決するための手段】前記課題を解決するため
に、この発明が対象とするのは、前胴周り域と、後胴周
り域と、これら両域間に形成された股下域とを有する着
用物品の前記各域が前記物品着用者の肌と向かい合う内
面と、前記内面の反対側である外面とを有し、前記股下
域における幅方向中央部の前記内面に前記着用者の肛門
及び尿道口の少なくとも一方を囲むことが可能な環状隆
起部が形成されている使い捨ての着用物品である。In order to solve the above problems, the present invention is directed to a front waist region, a rear waist region, and a crotch region formed between these two regions. Each area of the wearing article has an inner surface facing the skin of the article wearer, and an outer surface that is the opposite side of the inner surface, and the wearer's anus on the inner surface of the central portion in the width direction in the crotch area and The disposable wearing article is formed with an annular ridge that can surround at least one of the urethral openings.
【０００７】かかる着用物品において、この発明が特徴
とするところは、前記隆起部が柔軟にして弾性を有する
発泡プラスチックを含むことにある。A feature of the present invention in such a wearing article is that the raised portion contains a foamed plastic having flexibility and elasticity.
【０００８】この発明には、次のような好ましい実施態
様がある。
（１）前記隆起部が前記発泡プラスチックのブロックで
ある。
（２）前記隆起部は、該隆起部の外表面を形成する被覆
シートと、前記被覆シートの内側を充たす充填材とを含
み、前記着用者の肌と向かい合う側の頂部と前記頂部の
反対側である底部とを有し、前記充填材が柔軟にして弾
性を有する発泡プラスチックのチップを多数含む。
（３）前記発泡プラスチックがセル数３０〜１５０個／
２５．４ｍｍ、密度２０〜１２０ｋｇ／ｍ３、反発弾性
率５〜３０％を有するポリウレタンフォームによって形
成されている。
（４）前記発泡プラスチックのブロックが前記吸収体を
覆う透液性シートの上面に接合している。
（５）前記隆起部は、前記股下域に形成されていて前記
前胴周り域寄りに前端部、前記後胴周り域寄りに後端
部、前記前端部と後端部との間に両側部を有する平面形
状が環状のものであり、前記両側部から前記前端部と後
端部とのうちの少なくとも一方の端部へ向かって次第に
高くなり、前記中心線上において最も高くなる。
（６）前記隆起部は、前記股下域に形成されていて、前
記隆起部の平面形状が前記中心線に沿ってほぼ平行に延
びる部分と、前記前胴周り域寄りおよび前記後胴周り域
寄りのいずれかで湾曲する部分とからなるＵ字形を画い
ている。
（７）前記隆起部が前記股下域において前記後胴周り域
寄りに形成されている。
（８）前記隆起部が前記股下域において前記前胴周り域
寄りと後胴周り域寄りとに縦列状態で２つ形成されてい
る。
（９）前記隆起部が前記股下域において前記前胴周り域
と前記後胴周り域とに届くように長く形成されている。
（１０）前記股下域において前記隆起部により囲まれて
いる部分には、前記おむつの内側から外側へ向かってふ
くらむポケットが形成されている。
（１１）前記隆起部の幅方向断面形状において、前記隆
起部の頂部が上方へ向かって凸となるような弧を画いて
いる。
（１２）前記充填材の１００〜６０重量％が前記チップ
で占められている
（１３）前記チップは、その最大径が１〜２０ｍｍの範
囲にある。
（１４）前記充填材が０〜４０重量％の熱可塑性合成繊
維を含む。
（１５）前記隆起部において、前記チップが前記頂部か
ら前記底部へ向かうにしたがい、前記最大径が次第に大
きくなる態様で充填されている。
（１６）前記隆起部において、前記チップは、前記頂部
から前記底部に向かうにしたがい、密度が次第に高くな
る態様で充填されている。
（１７）前記底部では、前記チップの下に前記熱可塑性
合成繊維からなる層が形成され、前記熱可塑性合成繊維
層の曲げ剛性が０．９８〜５．０Ｎ／２５．４ｍｍであ
る。The present invention has the following preferred embodiments. (1) The raised portion is a block of the foamed plastic. (2) The raised portion includes a cover sheet that forms an outer surface of the raised portion, and a filler that fills the inside of the cover sheet, and the top portion on the side facing the wearer's skin and the opposite side to the top portion. And a plurality of foamed plastic chips in which the filler is soft and elastic. (3) The foamed plastic has 30 to 150 cells /
It is made of polyurethane foam having a diameter of 25.4 mm, a density of 20 to 120 kg / m 3 , and a rebound resilience of 5 to 30%. (4) The foamed plastic block is bonded to the upper surface of the liquid-permeable sheet that covers the absorber. (5) The raised portion is formed in the crotch region and has a front end portion near the front waist region, a rear end portion near the rear waist region, and both side portions between the front end portion and the rear end portion. Has a circular shape in plan view, and gradually increases from the both side portions toward at least one of the front end portion and the rear end portion, and becomes highest on the center line. (6) The raised portion is formed in the crotch region, a portion in which the planar shape of the raised portion extends substantially parallel to the center line, and the front waist region and the rear waist region. A U-shape consisting of a curved portion in any of the above. (7) The raised portion is formed in the crotch region near the rear waist region. (8) In the crotch region, two of the raised portions are formed in a tandem manner near the front waist region and the rear waist region. (9) The raised portion is formed long so as to reach the front waist region and the rear waist region in the crotch region. (10) A pocket that bulges from the inside to the outside of the diaper is formed in a portion surrounded by the raised portion in the crotch region. (11) In the cross-sectional shape in the width direction of the raised portion, an arc is formed so that the top of the raised portion is convex upward. (12) 100 to 60% by weight of the filler is occupied by the chips. (13) The maximum diameter of the chips is in the range of 1 to 20 mm. (14) The filler contains 0 to 40% by weight of thermoplastic synthetic fiber. (15) In the raised portion, the tip is filled in such a manner that the maximum diameter gradually increases as it goes from the top portion to the bottom portion. (16) In the raised portion, the chips are filled in such a manner that the density gradually increases from the top to the bottom. (17) In the bottom portion, a layer made of the thermoplastic synthetic fiber is formed under the chip, and the bending rigidity of the thermoplastic synthetic fiber layer is 0.98 to 5.0 N / 25.4 mm.
【０００９】[0009]
【発明の実施の形態】使い捨ておむつを例にとり、添付
の図面を参照してこの発明に係る使い捨ての着用物品の
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 a disposable wearing article according to the present invention will be described with reference to the accompanying drawings, taking a disposable diaper as an example.
【００１０】図１に部分破断図で示された使い捨ておむ
つ１は、おむつ着用者の肌と向かい合う内面を形成して
いる透液性の表面シート２と、着衣と向かい合う外面を
形成している不透液性の裏面シート３と、表面シート２
の下面と裏面シート３の上面との間に位置する体液吸収
体４とを有する。表裏面シート２，３は、吸収体４の周
縁から延出して重なり合い、互いに接合して前部フラッ
プ１１と、後部フラップ１２と、側部フラップ１３とを
形成している。後部フラップ１２と側部フラップ１３と
では、胴周り弾性部材１６と脚周り弾性部材１７とが胴
周り方向と脚周り方向とに延びている。これら弾性部材
１６，１７は、表面シート２の下面および裏面シート３
の上面の少なくとも一方に伸長状態で接合している。図
の上下方向において、おむつ１は前胴周り域６と、後胴
周り域７と、これら両域６，７間に位置する股下域８と
を有し、後胴周り域７の側部フラップ１３にはテープフ
ァスナ１４が取り付けられている。おむつ１は、股下域
８に平面形状が環状を呈する隆起部２１によって囲まれ
た便収容部２２を有する。隆起部２１は、おむつ着用者
の肛門を囲むことができるように、股下域８における後
胴周り域７寄りの部位または股下域８と後胴周り域７と
にまたがる部位に形成されている。A disposable diaper 1 shown in a partially cutaway view in FIG. 1 has a liquid-permeable topsheet 2 that forms an inner surface that faces the skin of the diaper wearer and an outer surface that faces the garment. Liquid-permeable backsheet 3 and topsheet 2
And a bodily fluid absorber 4 located between the lower surface and the upper surface of the back sheet 3. The front and back sheets 2 and 3 extend from the peripheral edge of the absorbent body 4 and overlap each other, and are joined to each other to form a front flap 11, a rear flap 12, and a side flap 13. In the rear flap 12 and the side flaps 13, a waist elastic member 16 and a leg elastic member 17 extend in the waist direction and the leg direction. These elastic members 16 and 17 are provided on the lower surface of the top sheet 2 and the back sheet 3 respectively.
Is joined to at least one of the upper surfaces in a stretched state. In the up-down direction of the figure, the diaper 1 has a front waist region 6, a back waist region 7, and a crotch region 8 located between these two regions 6 and 7, and a side flap of the back waist region 7. A tape fastener 14 is attached to 13. The diaper 1 has a feces accommodating portion 22 surrounded by a raised portion 21 having an annular planar shape in the crotch region 8. The raised portion 21 is formed in a portion of the crotch region 8 close to the rear torso region 7 or a region extending between the crotch region 8 and the rear torso region 7 so as to surround the anus of the diaper wearer.
【００１１】図２，３は、図１のＩＩ−ＩＩ線、ＩＩＩ
−ＩＩＩ線断面図であり、ＩＩＩ−ＩＩＩ線はおむつ１
の幅を二等分する中心線Ｃ−Ｃに一致している。隆起部
２１は、その平面形状が中心線Ｃ−Ｃに関して対称とな
るように作られていて、前胴周り域６寄りの前端部２３
と、後胴周り域７寄りの後端部２４と、これら両端部２
３，２４の間に延びる両側部２６とを有する。かかる隆
起部２１は、高さ方向の断面形状において、おむつ着用
者の肌と向かい合う頂部２５と、頂部２５の反対側であ
る底部２７とを有し、底部２７は接着剤２７ａによって
表面シート２に固定されている。隆起部２１の前端部２
３、後端部２４、両側部２６は底部２７から頂部２５ま
での高さがａ，ｂ，ｃであり、好ましいおむつ１では高
さａ，ｂが図示されたように中心線Ｃ−Ｃ上で最大とな
り、より好ましくは中心線Ｃ−Ｃ上で僅かにとがってい
る。高さａの最大値は高さｂの最大値と同じであるか、
またはそれよりも小さく設定されることが好ましいが、
高さｂの最大値よりも大きくしてこの発明を実施するこ
とも可能である。両側部２６の高さｃの値は高さａまた
はｂに等しいか、ａとｂとの中間にある。好ましい両側
部２６の頂部２５は、前端部２３と後端部２４との間で
両側部２６間の幅が広がるようにおむつ１の幅方向外側
に向かって傾いている（図２参照）。また、隆起部２１
の高さ方向断面形状に現われるこれら各部２３，２４，
２６の頂部２５は、上方に向かって凸となるような弧を
画いている。便収容部２２は、隆起部２１と隆起部２１
によって囲まれている部分における表面シート２とによ
って画成されている。2 and 3 are lines II-II and III of FIG.
FIG. 3 is a cross-sectional view taken along line III-III, where line III-III is diaper 1
Coincides with the center line C-C that bisects the width. The raised portion 21 is formed such that its planar shape is symmetrical with respect to the center line C-C, and the front end portion 23 near the front waist region 6 is formed.
And the rear end portions 24 near the rear waist region 7 and these end portions 2
3 and 24, and both side portions 26 extending between them. The raised portion 21 has a top portion 25 facing the skin of the diaper wearer and a bottom portion 27 opposite to the top portion 25 in the cross-sectional shape in the height direction, and the bottom portion 27 is attached to the surface sheet 2 by the adhesive 27a. It is fixed. Front end portion 2 of raised portion 21
3, the rear end portion 24 and the both side portions 26 have heights a, b, c from the bottom portion 27 to the top portion 25, and in the preferred diaper 1, the heights a, b are on the center line CC as shown. At the maximum, and more preferably, it is slightly sharp on the center line C-C. Whether the maximum value of height a is the same as the maximum value of height b,
Or it is preferable to set it smaller than that,
It is also possible to carry out the present invention by making the height b larger than the maximum value. The value of the height c of the side portions 26 is equal to the height a or b, or is in the middle between a and b. The tops 25 of the preferable both side portions 26 are inclined outward in the width direction of the diaper 1 so that the width between the both side portions 26 is widened between the front end portion 23 and the rear end portion 24 (see FIG. 2). In addition, the raised portion 21
These portions 23, 24, which appear in the height-direction cross-sectional shape of the
The top 25 of 26 defines an arc that is convex upward. The stool accommodating portion 22 includes a raised portion 21 and a raised portion 21.
It is defined by the surface sheet 2 in the portion surrounded by.
【００１２】かように形成されたおむつ１は、便収容部
２２が肛門の直下に位置するように隆起部２１を肌に当
てて着用する。隆起部２１は、柔軟にして弾性を有する
発泡プラスチックをその隆起部２１の形状に成形したブ
ロックで５０からなり、肌によく密着する。好ましい隆
起部２１では前端部２３と後端部２４とにおいて、上方
へ向かってとがっている中央部分２３ａ，２４ａ（図１
参照）が尻のわれ目に納まり、そのわれ目を伝って体液
が漏れやすいという従来のおむつの問題を解消すること
ができる。かような隆起部２１は、それが柔軟であるこ
とによって、肌に強く密着しても肌を徒に刺激すること
がない部位で、この隆起部２１を形成する発泡プラスチ
ックのブロック５０は、ＪＩＳ Ｋ ６４００の５．２
に規定のセル数の値が３０〜１５０個／２５ｍｍであ
り、ＪＩＳ Ｋ ６４００の９．２に規定のＢ法による
反発弾性率が５〜３０％であり、密度が２０〜１２０ｋ
ｇ／ｍ３であるものが好ましい。また、隆起部２１の高
さａ，ｂ，ｃの値は、５〜５０ｍｍの範囲にあることが
好ましい。隆起部２１の平面形状は、図示例の如き楕円
形の他に、円形や長円形、多角形等にすることができ
る。隆起部２１は、例えば両側部２６を外側へ傾けるこ
とによって、便収容部２２の内径と外径とが表面シート
２の上方へ向かって次第に大きくなるようならっぱ形に
作ることができる。このように作られている隆起部２１
は、それに上方から体圧が作用すると矢印ｐ方向へ、つ
まり便収容部２２の内径が大きくなるように変形して、
便が収容部２２に入り易くなる。In the diaper 1 thus formed, the raised portion 21 is applied to the skin so that the feces accommodating portion 22 is located immediately below the anus and is worn. The raised portion 21 is a block 50 formed of a flexible and elastic foam plastic in the shape of the raised portion 21, and is in close contact with the skin. In the preferred ridge 21, the front end 23 and the rear end 24 have central portions 23a and 24a (FIG.
It is possible to solve the problem of the conventional diaper in which the body part of the diaper easily falls into the eyes of the buttocks and the body fluid easily leaks through the eyes. Since such a ridge 21 is flexible, it does not irritate the skin even if it strongly adheres to the skin, and the foamed plastic block 50 forming the ridge 21 is a JIS block. K 6400 5.2
The value of the number of cells specified in is 30 to 150 cells / 25 mm, the repulsion elastic modulus by the B method specified in 9.2 of JIS K 6400 is 5 to 30%, and the density is 20 to 120 k.
It is preferably g / m 3 . Further, the heights a, b, and c of the raised portions 21 are preferably in the range of 5 to 50 mm. The planar shape of the raised portion 21 may be circular, oval, polygonal, etc., in addition to the elliptical shape shown in the figure. The raised portion 21 can be formed in a flat shape so that the inner diameter and the outer diameter of the feces accommodating portion 22 gradually increase toward the upper side of the topsheet 2, for example, by inclining both side portions 26 outward. Protrusion 21 made in this way
When body pressure acts on it, it deforms in the direction of arrow p, that is, the inside diameter of the feces accommodating portion 22 increases,
It becomes easier for feces to enter the accommodation portion 22.
【００１３】図４は、実施態様の一例を示す図３と同様
な図面である。このおむつ１では、便収容部２２の底部
分３０が吸収体４を含まず、表面シート２と裏面シート
３とによって形成されている。かかる便収容部２２は、
図３のそれよりも深くなって多くの便を収容することが
可能である。便に含まれる水分は、便収容部２２の内側
の一部分を形成している吸収体４に吸収される。図４の
仮想線２８は、底部分３０の一態様を示すもので、底部
分３０が図示の如くおむつ１の内側から外側へ向かって
ふくらむポケット２９を形成していると、便収容部２２
の内容積が大きくなる。このおむつ１では、隆起部２１
の前端部２３の高さａが側部２６の前方寄りの部分の高
さｃとほぼ同じであって、前端部２３は頂部が弧を画く
ことなく平坦に作られ、中央部分２３ａはとがることが
ない。ただし、後端部２４は、前端部２３と異なり中央
部分２４ａがとがっている。底部分３０は、表面シート
２を不可欠の構成要素とするものではなく、裏面シート
３だけで形成されていてもよいし、裏面シート３とは別
の不透液性シートで形成されていてもよい。FIG. 4 is a drawing similar to FIG. 3 showing an example of the embodiment. In this diaper 1, the bottom portion 30 of the feces accommodating portion 22 does not include the absorber 4 and is formed by the top sheet 2 and the back sheet 3. The stool accommodating portion 22 is
It can be deeper than that of FIG. 3 to accommodate more flights. The water contained in the stool is absorbed by the absorber 4 forming a part of the inside of the stool accommodation portion 22. The phantom line 28 in FIG. 4 shows one mode of the bottom portion 30, and when the bottom portion 30 forms a pocket 29 that bulges from the inside to the outside of the diaper 1 as shown in the figure, the feces accommodating portion 22 is shown.
The internal volume of the battery increases. In this diaper 1, the raised portion 21
The front end 23 has a height a substantially equal to the height c of the front portion of the side portion 26, and the front end 23 has a flat top without an arc, and the central portion 23a has a sharp edge. Never. However, unlike the front end portion 23, the rear end portion 24 has a sharp central portion 24a. The bottom portion 30 does not have the topsheet 2 as an indispensable constituent element, and may be formed only by the backsheet 3 or may be formed by a liquid-impermeable sheet different from the backsheet 3. Good.
【００１４】図５は、発明の実施態様の一例を示す図１
と同様な図面である。このおむつ１では、環状を呈する
隆起部２１が股下域において前胴周り域６寄りと後胴周
り域７寄りとに縦列状態で２つ作られている。前胴周り
域６寄りに形成される凹部２２は、尿を収容するための
ものである。FIG. 5 shows an example of an embodiment of the invention.
It is a drawing similar to. In this diaper 1, two raised portions 21 having an annular shape are formed in a column state in the crotch region near the front waist region 6 and the rear waist region 7. The concave portion 22 formed near the front waist region 6 is for accommodating urine.
【００１５】図６は、発明の実施態様の一例を示す図１
と同様の図面である。このおむつ１における隆起部２１
の平面形状は、股下域８において前後へ長く延びて、前
胴周り域６と後胴周り域７とに届くような長円形を呈し
ている。このようなおむつ１では、隆起部２１の内側に
便のみならず尿をも収容することができる。FIG. 6 shows an example of an embodiment of the invention.
It is a drawing similar to. Raised part 21 in this diaper 1
The plane shape of is a long circle extending in the front and rear direction in the crotch region 8 and reaching the front waist region 6 and the back waist region 7. In such a diaper 1, not only feces but also urine can be stored inside the raised portion 21.
【００１６】図７，８は、発明の実施態様の一例を示す
図１と同様な図面と、図７のＶＩＩＩ−ＶＩＩＩ線断面
図である。このおむつ１の隆起部２１は、股下域８の後
胴周り域７寄りにおいて中心線Ｃ−Ｃから中心線Ｃ−Ｃ
の両側へ湾曲しながら延びる部分４１と、中心線Ｃ−Ｃ
に沿って互いに平行して延びる部分４２とを有し、平面
形状がＵ字形を呈している。かような隆起部２１では、
後端部２４の中央部分２４ａが僅かにとがっている。か
かる隆起部２１もまた、その内側に便収容部２２を形成
している。7 and 8 are views similar to FIG. 1 showing an embodiment of the invention, and a sectional view taken along the line VIII-VIII in FIG. The raised portion 21 of the diaper 1 is located near the rear waistline region 7 of the crotch region 8 from the center line C-C to the center line C-C.
41 that extends while curving to both sides of the center line C-C
And a portion 42 that extends in parallel with each other along the above, and has a U-shaped planar shape. In such a raised portion 21,
The central portion 24a of the rear end portion 24 is slightly sharp. The raised portion 21 also has a feces accommodating portion 22 formed therein.
【００１７】図９もまた、発明の実施態様の一例を示す
図７と同様な図面である。このおむつ１の隆起部２１
は、図７のそれと異なり、股下域８における前胴周り域
６寄りに湾曲しながら延びる部分４１を有する。部分４
１には、互いに平行して延びる部分４２がつながってい
る。FIG. 9 is also a drawing similar to FIG. 7, showing an example of an embodiment of the invention. The raised portion 21 of this diaper 1
7 has a portion 41 that extends while curving toward the front waist region 6 in the crotch region 8 unlike that of FIG. 7. Part 4
A part 42 extending parallel to each other is connected to 1.
【００１８】図１〜９の隆起部２１は、図示例のように
発泡プラスチックからなるブロックを直接肌に当てるこ
とができるが、このブロックを表面シート２やその他の
シート材料で被覆して間接的に肌に当てることもでき
る。おむつ１において、表面シート２には、不織布や開
孔プラスチックフィルムを使用することができる。ま
た、裏面シート３にはプラスチックフィルムを使用する
ことができる。そのプラスチックフィルムの下面には不
織布を接合してフィルムの肌触りを布様のものに変える
ことができる。The raised portion 21 shown in FIGS. 1 to 9 can directly apply a block made of foamed plastic to the skin as shown in the drawing, but the block is covered with the surface sheet 2 or other sheet material to indirectly. It can also be applied to the skin. In the diaper 1, the topsheet 2 may be made of a non-woven fabric or a perforated plastic film. A plastic film can be used for the back sheet 3. A non-woven fabric can be bonded to the lower surface of the plastic film to change the texture of the film into a cloth-like one.
【００１９】図１０は、この発明の実施態様の一例を示
す図４と同様な図面である。このおむつ１の隆起部２１
は、隆起部２１の外表面を形成する被覆シート５２と、
被覆シート５２の内側を充たす充填材５１とを有し、隆
起部２１の底部５４を形成している被覆シート５２が接
着剤または粘着剤からなる接合剤５３を介して表面シー
ト２に取り付けられている。充填材５１は、図４におい
て隆起部２１のブロック５０を形成している発泡プラス
チックと同じ発泡プラスチックからなる小さな弾性チッ
プ５６を６０〜１００重量％含み、その他に熱可塑性合
成繊維からなる変形容易な繊維材料５７等を０〜４０重
量％含むことができる。チップ５６は、その径の最大値
が１〜２０ｍｍの範囲にあることが好ましい。また、繊
維材料５７は、繊度が０．１〜１０ｄｔｘの範囲にあ
り、繊維長が３〜７５ｍｍの範囲にあることが好まし
い。繊維材料５７としては、ナイロンやポリエステル、
これらのいずれかとポリエチレンとの複合繊維、その複
合繊維の捲縮したもの等を使用することができる。被覆
シート５２は、好ましくは不透液性のもの、さらに好ま
しくは通気不透液性のもので、熱可塑性合成繊維からな
る不織布、その不織布の内側にプラスチックフィルムを
ラミネートした複合シート等から作ることができる。FIG. 10 is a drawing similar to FIG. 4, showing an example of an embodiment of the present invention. The raised portion 21 of this diaper 1
Is a cover sheet 52 forming the outer surface of the raised portion 21,
A cover sheet 52 having a filler 51 filling the inside of the cover sheet 52 and forming a bottom portion 54 of the raised portion 21 is attached to the topsheet 2 via a bonding agent 53 made of an adhesive or a pressure sensitive adhesive. There is. The filling material 51 contains 60 to 100% by weight of a small elastic tip 56 made of the same foamed plastic as the foamed plastic forming the block 50 of the raised portion 21 in FIG. 4, and is made of a thermoplastic synthetic fiber and is easily deformable. The fibrous material 57 and the like can be included in an amount of 0 to 40% by weight. The tip 56 preferably has a maximum diameter value in the range of 1 to 20 mm. The fiber material 57 preferably has a fineness of 0.1 to 10 dtx and a fiber length of 3 to 75 mm. As the fiber material 57, nylon, polyester,
A composite fiber of any of these and polyethylene, a crimped product of the composite fiber, and the like can be used. The covering sheet 52 is preferably liquid-impermeable, more preferably breathable liquid-impermeable, and is made of a non-woven fabric made of thermoplastic synthetic fibers, a composite sheet in which a plastic film is laminated inside the non-woven fabric, or the like. You can
【００２０】隆起部２１がかように形成されているおむ
つ１では、充填材５１が小さな弾性チップ５６を多数含
み、チップ５６の一つずつが弾性変形することによっ
て、隆起部２１はそれが当接する着用者の肌の起伏にフ
ィットし易くなる。また、被覆シート５２を予め隆起部
２１の形状に成形しておいて、その隆起部２１の内側に
チップ５６を充填すれば、図２の如く隆起部２１を発泡
プラスチックのブロックとして作る場合よりも隆起部２
１の生産が容易になって隆起部２１の製造コストを下げ
られる場合がある。チップ５６と混合される繊維材料５
７は、チップ５６どうしの間隙に進入して隆起部２１が
圧縮されて変形するときの変形のし易さの程度、つまり
隆起部２１の圧縮特性を調整することに役立つ。接合剤
５３に粘着剤を使用することによって、隆起部２１を表
面シート２から剥離可能にしておき、おむつ１を廃棄す
るときにはその隆起部２１を剥離して、いわゆる燃えな
いごみとして処分することもできる。In the diaper 1 in which the raised portions 21 are formed in this way, the filling material 51 includes a large number of small elastic tips 56, and each of the tips 56 is elastically deformed, so that the raised portions 21 contact each other. It becomes easy to fit the ups and downs of the wearer's skin. Further, if the covering sheet 52 is formed in advance into the shape of the raised portion 21 and the inside of the raised portion 21 is filled with the chips 56, the raised portion 21 is formed as a block of foamed plastic as shown in FIG. Ridge 2
In some cases, the production cost of the ridge 21 may be reduced and the manufacturing cost of the raised portion 21 may be reduced. Fiber material 5 mixed with chips 56
7 is useful for adjusting the degree of easiness of deformation when the ridge 21 is compressed by entering the gap between the tips 56, that is, the compression characteristic of the ridge 21. By using an adhesive for the bonding agent 53, the raised portion 21 can be peeled from the topsheet 2, and when the diaper 1 is discarded, the raised portion 21 can be peeled off and disposed of as so-called non-burnable refuse. it can.
【００２１】図１１は、図１０のおむつと同じような形
状を有するおむつ１の要部を示す図面である。このおむ
つ１における隆起部２１では、チップ５６の大きさが隆
起部２１の頂部５８から底部５４へ向かうにしたがって
次第に大きくなるように変化している。例えば、隆起部
２１の高さのうちで頂部５８寄り３０％の範囲には径が
１〜８ｍｍ程度のチップ５６が集まり、底部５４寄り４
０％の範囲には径が１４〜２０ｍｍのチップ５６が集ま
り、これら両範囲の中間３０％の範囲には径が８〜１４
ｍｍのチップ５６が集まっている。チップ５６はまた、
頂部５８から底部５４へ向かうにしたがい、密度が高い
ものになるように充填することもできる。被覆シート５
２の内側には、繊維材料５７が密集して層を形成してい
る。かような構造の隆起部２１は、特に頂部５８近傍が
肌に柔らかく接触する。また、被覆シート５２では、そ
の内面側のチップ５６によるでこぼこした感じが繊維材
料５７によって消されて肌触りが滑らかになる。ただ
し、底部５４の内面側に形成される繊維材料５７の層
は、曲げ剛性の値を０．９８〜５．０Ｎ／２５．４ｍｍ
の範囲にしておくと、底部５４の剛性が適当に高くなっ
て表面シート２に対する接合が容易になる。FIG. 11 is a view showing a main part of the diaper 1 having a shape similar to that of the diaper of FIG. In the raised portion 21 of the diaper 1, the size of the tip 56 is changed so as to gradually increase from the top portion 58 to the bottom portion 54 of the raised portion 21. For example, the tips 56 having a diameter of about 1 to 8 mm are gathered in the range of 30% of the height of the raised portion 21 near the top 58, and the tips 56 near the bottom 54 4
Chips 56 having a diameter of 14 to 20 mm are gathered in the 0% range, and the diameters of 8 to 14 are gathered in the middle 30% of these ranges.
mm chips 56 are collected. Chip 56
It can also be filled to a higher density as it goes from the top 58 to the bottom 54. Cover sheet 5
On the inside of 2, the fibrous material 57 is densely packed to form a layer. In the raised portion 21 having such a structure, especially in the vicinity of the top portion 58, the skin is softly contacted. Further, in the covering sheet 52, the unevenness due to the chips 56 on the inner surface side is erased by the fibrous material 57, and the touch becomes smooth. However, the layer of the fibrous material 57 formed on the inner surface side of the bottom portion 54 has a flexural rigidity value of 0.98 to 5.0 N / 25.4 mm.
When the range is set to, the rigidity of the bottom portion 54 is appropriately increased and the joining to the topsheet 2 is facilitated.
【００２２】[0022]
【発明の効果】この発明に係る使い捨てのおむつは、柔
軟にして弾性を有する発泡プラスチックを使用して肌当
接面に隆起部を形成したから、隆起部が肌によく密着し
て隆起部の内側に収容した便を外へ漏らすことがない。
この柔軟な隆起部は、おむつ着用者の肌を徒に刺激する
ことがないばかりでなく、体圧の作用で変形しても元の
形状に容易に復元するから、おむつを一度脱がせたり、
おむつが湿潤状態になったりしても肌によく密着する。In the disposable diaper according to the present invention, since the bulging portion is formed on the skin contacting surface by using the flexible and elastic foam plastic, the bulging portion closely adheres to the skin and The feces stored inside will not leak out.
This flexible ridge not only irritates the skin of the diaper wearer, but also restores the original shape easily even when deformed by the action of body pressure, so you can remove the diaper once,
Even if the diaper gets wet, it adheres well to the skin.
【図１】使い捨てのおむつの部分破断平面図。FIG. 1 is a partially cutaway plan view of a disposable diaper.
【図２】図１のＩＩ−ＩＩ線断面図。FIG. 2 is a sectional view taken along line II-II of FIG.
【図３】図１のＩＩＩ−ＩＩＩ線断面図。FIG. 3 is a sectional view taken along line III-III in FIG.
【図４】実施態様の一例を示す図３と同様な図面。FIG. 4 is a drawing similar to FIG. 3 showing an example of an embodiment.
【図５】実施態様の他の一例を示す図１と同様な図面。FIG. 5 is a drawing similar to FIG. 1, showing another example of the embodiment.
【図６】実施態様のさらに他の一例を示す図１と同様な
図面。FIG. 6 is a drawing similar to FIG. 1, showing still another example of the embodiment.
【図７】実施態様のさらに他の一例を示す図１と同様な
図面。FIG. 7 is a drawing similar to FIG. 1, showing still another example of the embodiment.
【図８】図７のＶＩＩＩ−ＶＩＩＩ線断面図。8 is a sectional view taken along line VIII-VIII of FIG.
【図９】実施態様のさらに他の一例を示す図７と同様な
図面。FIG. 9 is a drawing similar to FIG. 7, showing still another example of the embodiment.
【図１０】実施態様のさらに他の一例を示す図４と同様
な図面。FIG. 10 is a drawing similar to FIG. 4, showing still another example of the embodiment.
【図１１】実施態様のさらに他の一例を示すためのおむ
つの要部を示す図面。FIG. 11 is a drawing showing a main part of a diaper for showing still another example of the embodiment.
１ 使い捨てのおむつ ２ 第１シート（表面シート） ３ 第２シート（裏面シート） ４ 体液吸収体 ６ 前胴周り域 ７ 後胴周り域 ８ 股下域 ２１ 隆起部 ２２ 便収容部 ２３ 前端部 ２４ 後端部 ２６ 側部 ２９ ポケット ４１ 湾曲する部分 ４２ 平行に延びる部分 1 disposable diapers 2 1st sheet (top sheet) 3 2nd sheet (back sheet) 4 body fluid absorber 6 front waist area 7 Rear waist area 8 inseam 21 Raised part 22 Flight storage 23 Front end 24 Rear end 26 side 29 pockets 41 curved part 42 Part extending in parallel
───────────────────────────────────────────────────── フロントページの続き (72)発明者 中嶋 海陽 香川県三豊郡豊浜町和田浜高須賀1531−７ ユニ・チャーム株式会社テクニカルセン ター内 (72)発明者 杉藤 智子 香川県三豊郡豊浜町和田浜高須賀1531−７ ユニ・チャーム株式会社テクニカルセン ター内 Ｆターム(参考） 3B029 BB01 BD12 BD13 BD14 4C098 AA09 CC10 CC14 CE06 DD13 DD23 ─────────────────────────────────────────────────── ─── Continued front page (72) Inventor Kaiyo Nakajima 1531-7 Wadahama Takasuka, Toyohama Town, Mitoyo District, Kagawa Prefecture Unicharm Corporation Technical Sen Inside (72) Inventor Tomoko Sugito 1531-7 Wadahama Takasuka, Toyohama Town, Mitoyo District, Kagawa Prefecture Unicharm Corporation Technical Sen Inside F term (reference) 3B029 BB01 BD12 BD13 BD14 4C098 AA09 CC10 CC14 CE06 DD13 DD23
Claims (18)
域間に形成された股下域とを有する着用物品の前記各域
が前記物品着用者の肌と向かい合う内面と、前記内面の
反対側である外面とを有し、前記股下域における幅方向
中央部の前記内面に前記着用者の肛門および尿道口の少
なくとも一方を少なくとも部分的に囲むことが可能な隆
起部が形成されている使い捨ての着用物品において、 前記隆起部が柔軟にして弾性を有する発泡プラスチック
を含むことを特徴とする前記着用物品。1. An inner surface in which each of the regions of a wearing article having a front waist region, a back waist region, and a crotch region formed between these regions faces the skin of the wearer of the article, and the inner surface. An outer surface that is the opposite side, and a raised portion that can at least partially surround at least one of the wearer's anus and urethral opening is formed on the inner surface of the widthwise central portion in the crotch region. The disposable wearing article according to claim 1, wherein the raised portion includes a flexible and elastic foamed plastic.
ロックである請求項１記載の着用物品。2. The wearing article according to claim 1, wherein the raised portion is a block of the foamed plastic.
する被覆シートと、前記被覆シートの内側を充たす充填
材とを含み、前記着用者の肌と向かい合う側の頂部と前
記頂部の反対側である底部とを有し、前記充填材が柔軟
にして弾性を有する発泡プラスチックのチップを多数含
む請求項１記載の着用物品。3. The ridge includes a cover sheet that forms an outer surface of the ridge and a filler that fills the inside of the cover sheet, and the top and the top of the side facing the wearer's skin. The wearing article according to claim 1, further comprising a plurality of foamed plastic chips, each of which has a bottom portion which is an opposite side, and wherein the filler is soft and elastic.
５０個／２５ｍｍ、密度２０〜１２０ｋｇ／ｍ３、反発
弾性率５〜３０％を有するポリウレタンフォームによっ
て形成されている請求項１〜３のいずれかに記載の使い
捨ての着用物品。4. The foamed plastic has 30 to 1 cells.
50/25 mm, a density 20~120kg / m 3, the disposable wearing article according to claim 1 which is formed by a polyurethane foam having a 5-30% rebound resilience.
吸収体を覆う透液性シートの上面に接合している請求項
２記載の着用物品。5. The wearing article according to claim 2, wherein the foamed plastic block is bonded to the upper surface of the liquid-permeable sheet that covers the absorbent body.
いて前記前胴周り域寄りに前端部、前記後胴周り域寄り
に後端部、前記前端部と後端部との間に両側部を有する
平面形状が環状のものであり、前記両側部から前記前端
部と後端部とのうちの少なくとも一方の端部へ向かって
次第に高くなり、前記中心線上において最も高くなる請
求項１〜５のいずれかに記載の着用物品。6. The raised portion is formed in the crotch region and is located at a front end portion near the front waist region, at a rear end portion near the rear waist region, and between the front end portion and the rear end portion. The planar shape having both side portions is annular, and gradually increases from the both side portions toward at least one of the front end portion and the rear end portion, and becomes the highest on the center line. The worn article according to any one of to 5.
いて、前記隆起部の平面形状が前記中心線に沿ってほぼ
平行に延びる部分と、前記前胴周り域寄りおよび前記後
胴周り域寄りのいずれかで湾曲する部分とからなるＵ字
形を画いている請求項１〜５のいずれかに記載の使い捨
ての着用物品。7. The raised portion is formed in the crotch region, and a portion in which the planar shape of the raised portion extends substantially parallel to the center line, and the front waist region and the rear waist region. The disposable wearing article according to any one of claims 1 to 5, which has a U-shape composed of a curved portion at any one of the regions.
胴周り域寄りに形成されている請求項１〜７のいずれか
に記載の着用物品。8. The wearing article according to claim 1, wherein the raised portion is formed in the crotch region toward the rear waistline region.
胴周り域寄りと後胴周り域寄りとに縦列状態で２つ形成
されている請求項１〜８のいずれかに記載の使い捨ての
着用物品。9. The disposable wearing according to claim 1, wherein two said raised portions are formed in said crotch region in a tandem manner near said front waist region and rear waist region. Goods.
前胴周り域と前記後胴周り域とに届くように長く形成さ
れている請求項１〜７のいずれかに記載の着用物品。10. The wearing article according to claim 1, wherein the raised portion is formed long so as to reach the front waist region and the back waist region in the crotch region.
囲まれている部分には、前記おむつの内側から外側へ向
かってふくらむポケットが形成されている請求項１〜１
０のいずれかに記載の着用物品。11. A pocket that bulges from the inside to the outside of the diaper is formed in a portion of the crotch region surrounded by the raised portion.
The worn article according to any one of 0.
て、前記隆起部の頂部が上方へ向かって凸となるような
弧を画いている請求項１〜１１のいずれかに記載の着用
物品。12. The wearing article according to claim 1, wherein a cross-sectional shape in the width direction of the raised portion defines an arc such that the top of the raised portion is convex upward.
記チップによって占められている請求項３記載の着用物
品。13. The wearing article according to claim 3, wherein 100 to 60% by weight of the filler is occupied by the chips.
ｍｍの範囲にある請求項３または１３記載の着用物品。14. The tip has a maximum diameter of 1 to 20.
The wearing article according to claim 3 or 13, which is in the range of mm.
性合成繊維を含む請求項３，１３，１４のいずれかに記
載の着用物品。15. The wearing article according to claim 3, 13 or 14, wherein the filler contains 0 to 40% by weight of thermoplastic synthetic fiber.
記頂部から前記底部へ向かうにしたがい、前記最大径が
次第に大きくなる態様で充填されている請求項３，１
３，１４，１５のいずれかに記載の着用物品。16. The ridge is filled with the tip in such a manner that the maximum diameter gradually increases as the tip goes from the top to the bottom.
The worn article according to any one of 3, 14, and 15.
前記頂部から前記底部へ向かうにしたがい、密度が次第
に高くなる態様で充填されている請求項３，１３，１
４，１５，１６のいずれかに記載の着用物品。17. In the raised portion, the tip is
The filling is performed in such a manner that the density gradually increases from the top to the bottom.
The worn article according to any one of 4, 15, and 16.
熱可塑性合成繊維からなる層が形成され、前記熱可塑性
合成繊維層の曲げ剛性が０．９８〜５．０Ｎ／２５．４
ｍｍである請求項３，１３，１４，１５，１６，１７の
いずれかに記載の着用物品。18. In the bottom portion, a layer made of the thermoplastic synthetic fiber is formed below the chip, and the flexural rigidity of the thermoplastic synthetic fiber layer is 0.98 to 5.0 N / 25.4.
The wearing article according to any one of claims 3, 13, 14, 15, 16, and 17, which has a size of mm.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002304581A JP3851254B2 (en) | 2001-10-26 | 2002-10-18 | Disposable wearing articles |
| US10/686,812 US7276054B2 (en) | 2002-10-18 | 2003-10-17 | Disposable wearing article |
| AT03023705T ATE303777T1 (en) | 2002-10-18 | 2003-10-20 | DISPOSABLE CLOTHING |
| DE60301535T DE60301535T2 (en) | 2002-10-18 | 2003-10-20 | Disposable wearing article |
| ES03023705T ES2244878T3 (en) | 2002-10-18 | 2003-10-20 | DISPOSABLE USE ARTICLE. |
| EP03023705A EP1410777B1 (en) | 2002-10-18 | 2003-10-20 | Disposable wearing article |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001329855 | 2001-10-26 | ||
| JP2001-329855 | 2001-10-26 | ||
| JP2002304581A JP3851254B2 (en) | 2001-10-26 | 2002-10-18 | Disposable wearing articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2003199789A true JP2003199789A (en) | 2003-07-15 |
| JP3851254B2 JP3851254B2 (en) | 2006-11-29 |
Family
ID=27666560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002304581A Expired - Fee Related JP3851254B2 (en) | 2001-10-26 | 2002-10-18 | Disposable wearing articles |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3851254B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005137460A (en) * | 2003-11-04 | 2005-06-02 | Uni Charm Corp | Disposable sanitary article |
| JP2006116045A (en) * | 2004-10-21 | 2006-05-11 | Daio Paper Corp | Absorbent article |
| JP2008178640A (en) * | 2007-01-24 | 2008-08-07 | Mina Moriyama | Sanitary napkin for nighttime |
| JP2022138155A (en) * | 2021-03-09 | 2022-09-22 | カン、ヨンジャ | Diaper set equipped with excreta inducing seat |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5794970B2 (en) * | 2012-11-08 | 2015-10-14 | 株式会社ユニケア | Diaper unit and diaper exterior |
-
2002
- 2002-10-18 JP JP2002304581A patent/JP3851254B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005137460A (en) * | 2003-11-04 | 2005-06-02 | Uni Charm Corp | Disposable sanitary article |
| JP4516734B2 (en) * | 2003-11-04 | 2010-08-04 | ユニ・チャーム株式会社 | Disposable hygiene products |
| JP2006116045A (en) * | 2004-10-21 | 2006-05-11 | Daio Paper Corp | Absorbent article |
| JP2008178640A (en) * | 2007-01-24 | 2008-08-07 | Mina Moriyama | Sanitary napkin for nighttime |
| JP2022138155A (en) * | 2021-03-09 | 2022-09-22 | カン、ヨンジャ | Diaper set equipped with excreta inducing seat |
| JP7325136B2 (en) | 2021-03-09 | 2023-08-14 | カン、ヨンジャ | Diaper set with defecation guide seat |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3851254B2 (en) | 2006-11-29 |
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