JP4473679B2 - Disposable absorbent article - Google Patents

Disposable absorbent article Download PDF

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JP4473679B2
JP4473679B2 JP2004242400A JP2004242400A JP4473679B2 JP 4473679 B2 JP4473679 B2 JP 4473679B2 JP 2004242400 A JP2004242400 A JP 2004242400A JP 2004242400 A JP2004242400 A JP 2004242400A JP 4473679 B2 JP4473679 B2 JP 4473679B2
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liquid
sheet
absorbent article
absorber
disposed
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JP2006055502A (en
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輝昌 近藤
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Hakujuji KK
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Hakujuji KK
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本発明は、例えば大人用、あるいは失禁用などの使い捨て吸収性物品に関する。   The present invention relates to a disposable absorbent article, for example, for adults or for incontinence.

従来、この種の使い捨て吸収性物品は、不透液性裏面シートの両側部に、長手方向に沿って第1吸収体が幅方向中央部に間隙を有するように分割されてそれぞれ配置され、これら第1吸収体が、透液性表面シートと不透液性裏面シートとの間に挟着されている。また、第1吸収体の上面側、かつ、各第1吸収体の間隙部には、透液性上面シートと透液性下面シートとの間に挟着された第2吸収体が位置し、この第2吸収体の長手方向中央部には、幅狭状となるように括れ部が形成されている。そして、第1吸収体は、この括れ部に対応する位置に配設されている(例えば、特許文献1参照。)。
特開平11−89880号公報(第4−5頁、図1−2)
Conventionally, this type of disposable absorbent article is arranged on both sides of the liquid-impermeable back sheet, divided in such a manner that the first absorbent body has a gap in the center in the width direction along the longitudinal direction. The 1st absorber is pinched | interposed between the liquid-permeable surface sheet and the liquid-impermeable back sheet. Further, the second absorbent body sandwiched between the liquid permeable upper surface sheet and the liquid permeable lower surface sheet is located on the upper surface side of the first absorbent body and in the gap portion of each first absorbent body, A constricted portion is formed at the center in the longitudinal direction of the second absorbent body so as to be narrow. And the 1st absorber is arrange | positioned in the position corresponding to this narrow part (for example, refer patent document 1).
JP-A-11-89880 (page 4-5, FIG. 1-2)

上述の使い捨て吸収性物品では、第2吸収体が装着者の肌に密着し、かつ、第2吸収体から流出した排泄液などは第1吸収体に吸収されるので、漏れに対して有効である。   In the above-mentioned disposable absorbent article, the second absorbent body is in close contact with the wearer's skin, and the excretory fluid and the like flowing out of the second absorbent body are absorbed by the first absorbent body, which is effective against leakage. is there.

しかしながら、第2吸収体は、透液性上面シートと透液性下面シートとで挟着されているので、これら透液性上面シートと透液性下面シートとの挟着部である両側部が剥がれてしまうおそれがある。特に、第2吸収体近傍に弾性体を配設する場合には、これら透液性上面シートと透液性下面シートとの両側部がより剥がれ易くなってしまうことがある。   However, since the second absorbent body is sandwiched between the liquid-permeable upper surface sheet and the liquid-permeable lower surface sheet, both side portions that are the sandwiched portions of the liquid-permeable upper surface sheet and the liquid-permeable lower surface sheet are There is a risk of peeling. In particular, when an elastic body is disposed in the vicinity of the second absorbent body, both side portions of the liquid permeable upper surface sheet and the liquid permeable lower surface sheet may be more easily peeled off.

また、第2吸収体が透液性上面シートを介して肌には密着するものの、浮いているような状態となってしまうため、吸収体の形状が崩れ易い場合があり、漏れが発生してしまうおそれがある。   In addition, although the second absorbent body is in close contact with the skin through the liquid-permeable top sheet, it may be in a floating state, so the shape of the absorbent body may be easily collapsed, and leakage occurs. There is a risk that.

本発明は、このような点に鑑みなされたもので、透液性表面シートの剥がれおよび吸収体の型崩れを防止でき、肌に密着して漏れを防止できる使い捨て吸収性物品を提供することを目的とする。   This invention is made in view of such a point, and can provide the disposable absorbent article which can prevent peeling of a liquid-permeable surface sheet and a shape change of an absorber, and can adhere to skin and can prevent a leak. Objective.

請求項1記載の使い捨て吸収性物品は、透液性表面シート、不透液性裏面シート、および、前記透液性表面シートに囲繞されて前記不透液性裏面シートに配設された吸収体を備え、前記透液性表面シートと前記不透液性裏面シートとで長手方向両端部にフラップ部が形成された吸収性物品本体を具備し、前記吸収体は、長手方向の中間部に、幅狭状となるように括れた括れ部が形成され、前記透液性表面シートは、前記吸収体を表面側から裏面側へと囲繞し、この吸収体の裏面側に位置した両側縁部が前記括れ部よりも前記吸収体の幅方向の中心側の位置にて前記不透液性裏面シートに固着され、かつ、前記括れ部に臨み前記吸収体が配設されていない部分が、前記不透液性裏面シートに固着されていないとともに、前記括れ部に臨み前記吸収体が配設されていない部分の両側縁部に長手方向に沿って第1弾性体が配設され、前記吸収性物品本体には、長手方向に沿って幅方向両側に疎水性シートがそれぞれ配設され、前記疎水性シートは、長手方向両端が前記吸収性物品本体に固着されるとともに、前記吸収性物品本体の両側縁部近傍に位置する一側部が前記不透液性裏面シートに固着され、かつ、他側部に第2弾性体が長手方向に沿って配設され、前記第1弾性体は、前記第2弾性体よりも伸張応力が大きいものである。   The disposable absorbent article according to claim 1 is a liquid-permeable top sheet, a liquid-impervious back sheet, and an absorbent body surrounded by the liquid-permeable top sheet and disposed on the liquid-impervious back sheet. Comprising an absorbent article body in which flap portions are formed at both ends in the longitudinal direction between the liquid-permeable top sheet and the liquid-impervious back sheet, and the absorbent body is in the middle in the longitudinal direction. A narrowed portion is formed so as to be narrow, and the liquid-permeable topsheet surrounds the absorber from the front side to the back side, and both side edges located on the back side of the absorber are A portion that is fixed to the liquid-impervious back sheet at a position closer to the center in the width direction of the absorber than the constricted portion, and a portion where the absorber is not disposed facing the constricted portion, It is not fixed to the liquid-permeable back sheet and faces the constricted part to absorb the suction. The first elastic body is disposed along the longitudinal direction at both side edges of the portion where the body is not disposed, and the absorbent article main body is provided with hydrophobic sheets on both sides in the width direction along the longitudinal direction. The hydrophobic sheet is fixed at both ends in the longitudinal direction to the absorbent article main body, and one side portion located in the vicinity of both side edges of the absorbent article main body is fixed to the liquid-impermeable back sheet. In addition, a second elastic body is disposed on the other side along the longitudinal direction, and the first elastic body has a larger tensile stress than the second elastic body.

そして、透液性表面シートで吸収体を表面側から裏面側へと囲繞し、この透液性表面シートの両側縁部を括れ部よりも吸収体の幅方向の中心側の位置にて不透液性裏面シートに固着することで、透液性表面シートが剥がれることを防止するとともに、この透液性表面シートの括れ部に臨み吸収体が配設されていない部分を不透液性裏面シートに固着せず、かつ、括れ部に臨み吸収体が配設されていない部分に長手方向に沿って、疎水性シートの他側部に配設した第2弾性体よりも伸張応力が大きい第1弾性体を配設することで、この第1弾性体の収縮によって、透液性表面シートの括れ部に臨み吸収体が配設されていない部分が起立して装着者の肌に密着してフィット性が向上し、かつ、透液性表面シートで囲繞された吸収体の外側を不透液性裏面シートおよび疎水性シートで囲むことで、吸収体の型崩れを防止して、漏れを防止する。   Then, the absorbent body is surrounded by the liquid-permeable surface sheet from the front surface side to the back surface side, and both side edges of the liquid-permeable surface sheet are impervious at a position closer to the center side in the width direction of the absorber than the constricted portion. By adhering to the liquid back sheet, the liquid-permeable surface sheet is prevented from peeling off, and the portion where the absorbent body is not disposed facing the constricted portion of the liquid-permeable surface sheet is impermeable to the liquid back sheet. First, which has a greater tensile stress than the second elastic body disposed on the other side portion of the hydrophobic sheet along the longitudinal direction in a portion where the absorbent body is not fixed to the constricted portion and the absorbent body is not disposed. By disposing the elastic body, the first elastic body contracts, so that the portion where the absorbent body stands without facing the constricted portion of the liquid-permeable surface sheet is brought into close contact with the skin of the wearer. And the outer side of the absorber surrounded by the liquid-permeable surface sheet is liquid-impermeable. By enclosing the back sheet and the hydrophobic sheet, to prevent their shape of the absorber, to prevent leakage.

請求項2記載の使い捨て吸収性物品は、請求項1記載の使い捨て吸収性物品において、透液性表面シートは、吸収体が配設されている部分に位置する裏面側が不透液性裏面シートに固着され、かつ、括れ部に臨み前記吸収体が配設されていない部分にて、表面側と裏面側とが固着されているものである。   The disposable absorbent article according to claim 2 is the disposable absorbent article according to claim 1, wherein the liquid-permeable topsheet is a liquid-impervious backsheet located on the back side where the absorber is disposed. The front surface side and the back surface side are fixed to each other at a portion that is fixed and faces the constricted portion where the absorber is not disposed.

そして、透液性表面シートの吸収体が配設されている部分に位置する裏面側を不透液性裏面シートに固着し、かつ、括れ部に臨み吸収体が配設されていない部分にて、表面側と裏面側とを固着することで、吸収体の型崩れを確実に防止するとともに、透液性表面シートの吸収体の括れ部に臨み吸収体が配設されていない部分が上方に起立し易くなる。   And the back side located in the portion where the absorbent body of the liquid-permeable surface sheet is disposed is fixed to the liquid-impermeable back sheet, and the portion facing the constricted portion where the absorber is not disposed By adhering the front surface side and the back surface side, it is possible to reliably prevent the absorber from being deformed, and the portion where the absorber is not disposed facing the constricted portion of the absorber of the liquid-permeable surface sheet is upward. It becomes easy to stand up.

請求項3記載の使い捨て吸収性物品は、請求項2記載の使い捨て吸収性物品において、吸収体は、この吸収体が配設されている部分に位置する透液性表面シートの裏面側とともに不透液性裏面シートに固着されているものである。   The disposable absorbent article according to claim 3 is the disposable absorbent article according to claim 2, wherein the absorbent is impermeable together with the back side of the liquid-permeable surface sheet located in a portion where the absorbent is disposed. It is fixed to the liquid back sheet.

そして、透液性表面シートの吸収体が配設されている部分に位置する裏面側を吸収体とともに不透液性裏面シートに固着し、かつ、括れ部に臨み吸収体が配設されていない部分にて、表面側と裏面側とを固着することで、吸収体の型崩れをより確実に防止するとともに、透液性表面シートの吸収体の括れ部に臨み吸収体が配設されていない部分が上方に起立し易くなる。   And the back surface side located in the part by which the absorber of the liquid-permeable surface sheet is arrange | positioned adheres to an impermeable back sheet with an absorber, and the absorber is not arrange | positioned facing the constricted part. By fixing the front surface side and the back surface side at the part, it is possible to prevent the absorber from being deformed more reliably, and the absorbent body is not disposed facing the constricted portion of the absorbent body of the liquid-permeable surface sheet. A part becomes easy to stand up.

請求項4記載の使い捨て吸収性物品は、請求項1ないし3いずれか一記載の使い捨て吸収性物品において、吸収性物品本体は、不透液性裏面シートに固着された最外層シートを備え、この最外層シートは、長手方向に背側腰回り部、股下回り部および腹側腰回り部が順次形成され、前記背側腰回り部両側と前記腹側腰回り部両側とを互いに結合して前記吸収性物品本体を腰回り開口部と一対の脚回り開口部とをそれぞれ伸縮自在に形成する立体的なパンツ形状としたものである。   The disposable absorbent article according to claim 4 is the disposable absorbent article according to any one of claims 1 to 3, wherein the absorbent article body includes an outermost layer sheet fixed to a liquid-impermeable back sheet, The outermost layer sheet is formed with a back waist part, a crotch part and an abdomen waist part in order in the longitudinal direction, and the both sides of the back waist part and both sides of the abdomen waist part are joined together. The absorbent article body has a three-dimensional pant shape in which a waist opening and a pair of leg openings are formed to be stretchable.

そして、吸収性物品体の不透液性裏面シートに最外層シートを固着し、この最外層シートの長手方向に背側腰回り部、股下回り部および腹側腰回り部を順次形成し、背側腰回り部両側と腹側腰回り部両側とを互いに結合して吸収性物品本体を腰回り開口部と一対の脚回り開口部とをそれぞれ伸縮自在に形成する立体的なパンツ形状とすることで、例えば下着、あるいはおむつなどを必要とすることなく、一体的なパンツ型として使用でき、使い勝手が向上する。   Then, the outermost layer sheet is fixed to the liquid-impervious back sheet of the absorbent article body, and the back waist part, the crotch part, and the abdomen waist part are sequentially formed in the longitudinal direction of the outer layer sheet. By combining the side waistline sides and the abdomen waistline sides with each other, the absorbent article main body is formed into a three-dimensional pant shape in which a waistline opening and a pair of leghole openings are respectively stretchable For example, it can be used as an integrated pants type without requiring underwear or diapers, thereby improving usability.

請求項1記載の発明によれば、透液性表面シートで吸収体を表面側から裏面側へと囲繞し、この透液性表面シートの両側縁部を括れ部よりも吸収体の幅方向の中心側の位置にて不透液性裏面シートに固着することで、透液性表面シートが剥がれることを防止できるとともに、この透液性表面シートの括れ部に臨み吸収体が配設されていない部分を不透液性裏面シートに固着せず、かつ、括れ部に臨み吸収体が配設されていない部分に長手方向に沿って、疎水性シートの他側部に配設した第2弾性体よりも伸張応力が大きい第1弾性体を配設することで、この第1弾性体の収縮によって、透液性表面シートの括れ部に臨み吸収体が配設されていない部分が起立して装着者の肌に密着してフィット性を向上でき、かつ、透液性表面シートで囲繞された吸収体の外側を不透液性裏面シートおよび疎水性シートで囲むことで、吸収体の型崩れを防止でき、漏れを防止できる。   According to the first aspect of the present invention, the absorbent body is surrounded by the liquid-permeable surface sheet from the front surface side to the back surface side, and both side edges of the liquid-permeable surface sheet are arranged in the width direction of the absorbent body rather than the constricted portion. By adhering to the liquid-impervious back sheet at the center position, it is possible to prevent the liquid-permeable surface sheet from being peeled off, and there is no absorber disposed at the constricted portion of the liquid-permeable surface sheet. The second elastic body which is not fixed to the liquid-impervious back sheet and which is disposed on the other side portion of the hydrophobic sheet along the longitudinal direction in the portion where the absorber is not disposed so as to face the constricted portion By disposing the first elastic body having a larger tensile stress than the first elastic body, the portion where the absorbent body is not disposed and faces the constricted portion of the liquid-permeable surface sheet is mounted by the contraction of the first elastic body. It can be closely attached to the skin of the person and improve fit and is surrounded by a liquid-permeable surface sheet. And the outer absorbent member by enclosing in a liquid-impervious backsheet and a hydrophobic sheet, can prevent their shape of the absorber can prevent leakage.

請求項2記載の発明によれば、透液性表面シートの吸収体が配設されている部分に位置する裏面側を不透液性裏面シートに固着し、かつ、括れ部に臨み吸収体が配設されていない部分にて、表面側と裏面側とを固着することで、吸収体の型崩れを確実に防止できるとともに、透液性表面シートの吸収体の括れ部に臨み吸収体が配設されていない部分を上方に起立し易くできる。   According to invention of Claim 2, the back surface side located in the part by which the absorber of the liquid-permeable surface sheet is arrange | positioned adheres to a liquid-impervious back sheet, and the absorber faces the constricted part, and an absorber exists. By fixing the front side and the back side at the part where it is not arranged, it is possible to reliably prevent the absorber from being deformed, and the absorber is disposed at the constricted part of the absorber of the liquid-permeable surface sheet. The part which is not provided can be easily erected upward.

請求項3記載の発明によれば、透液性表面シートの吸収体が配設されている部分に位置する裏面側を吸収体とともに不透液性裏面シートに固着し、かつ、括れ部に臨み吸収体が配設されていない部分にて、表面側と裏面側とを固着することで、吸収体の型崩れをより確実に防止できるとともに、透液性表面シートの吸収体の括れ部に臨み吸収体が配設されていない部分を上方に起立し易くできる。   According to invention of Claim 3, the back surface side located in the part by which the absorber of the liquid-permeable surface sheet is arrange | positioned adheres to an impermeable back sheet with an absorber, and faces a constriction part. By adhering the front side and the back side at the part where the absorber is not disposed, the absorber can be more reliably prevented from being deformed, and the liquid-permeable surface sheet faces the constricted part of the absorber. The portion where the absorber is not disposed can be easily raised upward.

請求項4記載の発明によれば、吸収性物品体の不透液性裏面シートに最外層シートを固着し、この最外層シートの長手方向に背側腰回り部、股下回り部および腹側腰回り部を順次形成し、背側腰回り部両側と腹側腰回り部両側とを互いに結合して吸収性物品本体を腰回り開口部と一対の脚回り開口部とをそれぞれ伸縮自在に形成する立体的なパンツ形状とすることで、例えば下着、あるいはおむつなどを必要とすることなく、一体的なパンツ型として使用でき、使い勝手を向上できる。   According to the invention of claim 4, the outermost layer sheet is fixed to the liquid-impervious back sheet of the absorbent article body, and the back waist part, the crotch part, and the abdomen waist are arranged in the longitudinal direction of the outer layer sheet. A three-dimensional structure that sequentially forms a rotation part and connects the both sides of the back waist part and the abdomen waist part to each other to form the absorbent article main body so that the waist opening part and the pair of leg opening parts can be expanded and contracted. By adopting a pant-like shape, for example, it can be used as an integrated pant-type without requiring underwear or a diaper, thereby improving usability.

以下、本発明の第1の実施の形態の使い捨て吸収性物品の構成を図1ないし図4を参照して説明する。   Hereinafter, the configuration of the disposable absorbent article according to the first embodiment of the present invention will be described with reference to FIGS. 1 to 4.

図1ないし図4において、1は吸収性物品本体で、この吸収性物品本体1は、液透過性を有する透液性表面シート2、液不透過性を有する不透液性裏面シート3、液吸収性を有し透液性表面シート2に囲繞されて不透液性裏面シート3に配設される吸収体4、長手方向に沿って幅方向両側にそれぞれ配設された疎水性シート5、および、不透液性裏面シート3に固着された最外層シート6を備えている。そして、この吸収性物品本体1は、展開状態で略細長状で長手方向の中央部を中心として略対称の形状に形成するとともに、幅方向の中央部を中心として左右対称の形状に形成されている。   1 to 4, reference numeral 1 denotes an absorbent article body. The absorbent article body 1 includes a liquid-permeable surface sheet 2 having liquid permeability, a liquid-impermeable back sheet 3 having liquid-impermeability, a liquid Absorbent body 4 surrounded by liquid-permeable top sheet 2 and disposed on liquid-impervious back sheet 3, hydrophobic sheet 5 disposed on both sides in the width direction along the longitudinal direction, And the outermost layer sheet 6 fixed to the liquid-impermeable back sheet 3 is provided. And this absorptive article main body 1 is formed in the shape of right-and-left symmetry centering on the center part of the width direction while being formed in the shape of substantially symmetrical centering on the center part of the longitudinal direction in the elongate shape in the expansion | deployment state. Yes.

透液性表面シート2は、尿などの排泄液を吸収体4へ透過させるために液透過性を有し、例えば、綿布、不織布、多孔性フィルム、合成繊維などにて形成されている。   The liquid-permeable surface sheet 2 has liquid permeability for allowing excretion fluid such as urine to permeate the absorber 4, and is formed of, for example, a cotton cloth, a nonwoven fabric, a porous film, a synthetic fiber, or the like.

また、不透液性裏面シート3は、下着などの他の衣類、或いはシートなどを汚損することがないように液不透過性を有し、例えばポリエチレン樹脂などの合成樹脂シートなどにて成形され、長手方向の両端部が透液性表面シート2に固着され吸収体4の外側にフラップ部7が形成されている。   The liquid-impermeable back sheet 3 is liquid-impermeable so as not to contaminate other clothing such as underwear or the sheet, and is formed of, for example, a synthetic resin sheet such as polyethylene resin. Both end portions in the longitudinal direction are fixed to the liquid-permeable surface sheet 2 and a flap portion 7 is formed outside the absorbent body 4.

また、吸収体4は、尿などの排泄液を吸収できる、例えばパルプを主材料として一部に高分子吸収体等の物質を含んだ材料にて、長手方向の中間部に幅狭状となるように括れた括れ部4aが凹状に切り欠き形成されて長手方向の両端部にそれぞれ幅広部4b,4cが形成される砂時計形状となっており、透液性表面シート2により表面側すなわち装着者の肌側から裏側すなわち透液性表面シート2に対向する側へと囲繞されている。   The absorber 4 is capable of absorbing excretory fluids such as urine. For example, the absorber 4 is made of a material mainly containing pulp and a substance such as a polymer absorber, and has a narrow shape in the middle in the longitudinal direction. In this way, the constricted portion 4a is cut out in a concave shape to form an hourglass shape in which the wide portions 4b and 4c are formed at both ends in the longitudinal direction. From the skin side to the back side, that is, the side facing the liquid-permeable surface sheet 2.

ここで、吸収体4は、幅広部4b,4cの幅寸法が、互いに異なっていてもよいが、透液性表面シート2で囲繞される都合上、幅広部4b,4cの幅寸法は同じとすることが好ましい。   Here, in the absorbent body 4, the width dimensions of the wide portions 4b and 4c may be different from each other, but for the convenience of being surrounded by the liquid-permeable surface sheet 2, the width dimensions of the wide portions 4b and 4c are the same. It is preferable to do.

さらに、吸収体4を囲繞した透液性表面シート2は、括れ部4aよりも吸収体4の幅方向の中心側の位置に両側縁部が巻き込まれて不透液性裏面シート3に固着され、また、括れ部4aに臨み吸収体4が配設されていない括れ部分としての非配設部2aが、それぞれ不透液性裏面シート3に固着されていないとともに、この非配設部2aには、長手方向に沿って例えば紐状ゴムなどの第1弾性体8がそれぞれ配設されている。   Further, the liquid-permeable topsheet 2 surrounding the absorbent body 4 is fixed to the liquid-impervious backsheet 3 with both side edges wound around the central portion in the width direction of the absorbent body 4 rather than the constricted portion 4a. Further, the non-arranged portion 2a as the constricted portion facing the constricted portion 4a where the absorber 4 is not disposed is not fixed to the liquid-impervious back sheet 3, and is not attached to the non-disposed portion 2a. The first elastic bodies 8 such as string-like rubbers are respectively arranged along the longitudinal direction.

なお、この吸収体4を囲繞した透液性表面シート2は、図3および図4に示すように、吸収体4の裏面側で、この吸収体4を完全に囲繞しておらず、不透液性裏面シート3との間で吸収体4を囲繞している。すなわち、吸収体4の裏側へと巻き込まれた透液性表面シート2の両側縁部は、幅方向に互いに離間された状態でそれぞれ不透液性裏面シート3に固着されている。   The liquid-permeable surface sheet 2 surrounding the absorbent body 4 does not completely surround the absorbent body 4 on the back side of the absorbent body 4, as shown in FIGS. The absorber 4 is surrounded with the liquid back sheet 3. That is, both side edges of the liquid-permeable topsheet 2 wound around the back side of the absorbent body 4 are fixed to the liquid-impervious backsheet 3 in a state of being separated from each other in the width direction.

また、第1弾性体8は、図1に示すように、非配設部2aの両側縁部近傍に設けられている。このため、非配設部2aには、第1弾性体8の収縮により上方すなわち装着者の肌側に向かって起立するギャザ部が形成される。   Moreover, the 1st elastic body 8 is provided in the side edge part vicinity of the non-arrangement part 2a, as shown in FIG. For this reason, the non-arranged portion 2a is formed with a gather portion that rises upward, that is, toward the skin side of the wearer due to the contraction of the first elastic body 8.

さらに、疎水性シート5は、尿などの排泄液を浸透しない性質を有する、例えばポリプロピレン樹脂などの不透液性材料にて形成され、吸収性物品本体1の不透液性裏面シート3の表面の左右に、両フラップ部7間に亘ってそれぞれ配設されている。   Furthermore, the hydrophobic sheet 5 is formed of a liquid-impervious material such as polypropylene resin, which has a property of not permeating excretion fluid such as urine, and the surface of the liquid-impervious back sheet 3 of the absorbent article main body 1. Are arranged between the flap portions 7 on the left and right sides of the two.

そして、吸収性物品本体1の幅方向両側縁部近傍に位置した各疎水性シート5の一側部である外側縁部は、それぞれ不透液性裏面シート3に固着されている。また、これら左右の疎水性シート5の他側部である内側縁部は、それぞれ吸収体4の括れ部4aの両側部よりも幅方向の中心側寄りに位置し、透液性表面シート2に囲繞された吸収体4の幅方向の中心域が露出されている。この結果、疎水性シート5は、透液性表面シート2に囲繞された吸収体4を不透液性裏面シート3とで囲んでいる。   And the outer edge part which is one side part of each hydrophobic sheet | seat 5 located in the width direction both-sides edge part of the absorbent article main body 1 is each fixed to the liquid-impermeable back sheet 3. Further, the inner edge portions, which are the other side portions of the left and right hydrophobic sheets 5, are positioned closer to the center side in the width direction than both side portions of the constricted portion 4 a of the absorbent body 4. The central region in the width direction of the surrounded absorber 4 is exposed. As a result, the hydrophobic sheet 5 surrounds the absorbent body 4 surrounded by the liquid-permeable surface sheet 2 with the liquid-impermeable back sheet 3.

また、各疎水性シート5の内側縁部には、第2弾性体9が長手方向に沿って伸張された状態でそれぞれ配設されている。   Moreover, the 2nd elastic body 9 is each arrange | positioned by the inner edge part of each hydrophobic sheet 5 in the state extended | stretched along the longitudinal direction.

これら第2弾性体9は、両端部が括れ部4aよりも吸収性物品本体1の長手方向の両端部近傍へと延設されている。そして、これら第2弾性体9の収縮により、各疎水性シート5の内側縁部に装着者の肌側に向かって起立する立体ギャザが形成される。   Both ends of the second elastic body 9 extend closer to both ends in the longitudinal direction of the absorbent article body 1 than the constricted portion 4a. Then, due to the contraction of the second elastic bodies 9, a three-dimensional gather standing up toward the wearer's skin is formed at the inner edge of each hydrophobic sheet 5.

なお、これら第2弾性体9の伸張応力を第1弾性体8よりも大きくすると、第1弾性体8の収縮が不足して非配設部2aが上方に向かって起立できないため、第1弾性体8は、第2弾性体9よりも伸張応力が大きく設定されている。   If the extension stress of the second elastic body 9 is larger than that of the first elastic body 8, the first elastic body 8 is insufficiently contracted and the non-arranged portion 2a cannot stand upward. The body 8 is set to have a larger extensional stress than the second elastic body 9.

また、第2弾性体9が配設される疎水性シート5の内側縁部が括れ部4a両側部よりも外側に位置していると、第1弾性体8の収縮により起立した非配設部2aが疎水性シート5の上方に位置し、排泄液の漏れの原因となる可能性があるため、吸収性物品本体1の展開状態において、疎水性シート5の内側縁部は、吸収体4の括れ部4aの両側より内側に位置していることが好ましい。   Further, when the inner edge portion of the hydrophobic sheet 5 on which the second elastic body 9 is disposed is located outside the both side portions of the constricted portion 4a, the non-arranged portion that stands up due to the contraction of the first elastic body 8 Since 2a is located above the hydrophobic sheet 5 and may cause excretion fluid to leak, the inner edge of the hydrophobic sheet 5 is not attached to the absorbent body 4 when the absorbent article body 1 is deployed. It is preferable that it is located inside both sides of the constricted portion 4a.

さらに、最外層シート6は、長手方向の一端部から他端部に亘って、装着時に装着者の背側に位置する背側腰回り部11と、装着者の股下に位置する股下回り部12と、装着者の腹側に位置する腹側腰回り部13とが順次一体に形成されている。そして、股下回り部12の両側中央部の各括れ部4aにそれぞれ対応する位置には、脚回り部14が凹弧状にそれぞれ切り欠き形成されている。   Further, the outermost layer sheet 6 extends from one end portion to the other end portion in the longitudinal direction at the time of wearing, the back waist portion 11 located on the back side of the wearer and the crotch portion 12 located on the crotch of the wearer. And an abdomen waist part 13 located on the abdomen side of the wearer are integrally formed sequentially. At the positions corresponding to the respective constricted portions 4a at the center portions on both sides of the crotch portion 12, the leg portions 14 are cut out in a concave arc shape.

各腰回り部11,13には、幅方向に沿ってそれぞれ例えば紐状ゴムなどの図示しない弾性体が、幅方向に伸張された状態で複数配設されている。   A plurality of elastic bodies (not shown) such as string-like rubber are arranged in the waist portions 11 and 13 along the width direction so as to extend in the width direction.

また、一対の脚回り部14には、凹弧状の切り欠き形状に沿って例えば紐状ゴムなどの脚回り弾性体15が伸張された状態でそれぞれ配設され、これら脚回り弾性体15により、吸収性物品本体1の長手方向および幅方向に伸縮性が付与され、各脚回り部14にレッグギャザが形成される。   Further, in the pair of leg-hole portions 14, a leg-hole elastic body 15 such as a string-like rubber is provided in an expanded state along the concave arc-shaped cutout shape. Elasticity is imparted in the longitudinal direction and the width direction of the absorbent article main body 1, and leg gathers are formed in the leg-around portions 14.

さらに、背側腰回り部11の両側部には、腹側腰回り部13に配設された図示されない面ファスナなどの腹側結合部に係脱自在に結合される面ファスナなどの背側結合部21が取り付けられている。   Further, on both sides of the back waist part 11, a back side coupling such as a hook-and-loop fastener that is detachably coupled to an abdomen coupling part such as a hook-and-loop fastener (not shown) disposed in the ventral waist part 13 is provided. Part 21 is attached.

そして、吸収性物品本体1は、図1に示す展開状態から折り曲げられて背側腰回り部11の背側結合部21と、腹側腰回り部13の図示しない腹側結合部とを互いに結合することで、図2に示すように、背側腰回り部11と腹側腰回り部13とにより腰回り開口部22が伸縮自在に形成され、かつ一対の脚回り部14により一対の脚回り開口部23が伸縮自在に形成されるパンツ形状となる。   The absorbent article main body 1 is bent from the unfolded state shown in FIG. 1 to couple the back side coupling portion 21 of the back side waistline portion 11 and the ventral side joint portion (not shown) of the abdominal side waistline portion 13 to each other. Thus, as shown in FIG. 2, a waist opening 22 is formed to be stretchable by the back waist part 11 and the abdomen waist part 13, and a pair of leg openings 14 are formed by the pair of leg parts 14. The part 23 has a pants shape that is formed to be stretchable.

両フラップ部7は、透液性表面シート2と不透液性裏面シート3とから構成される。本実施の形態では、透液性表面シート2と不透液性裏面シート3とは、長手寸法が略等しく形成されているものの、透液性表面シート2を不透液性裏面シート3に対して短くしてもよい。   Both flap portions 7 are composed of a liquid-permeable top sheet 2 and a liquid-impervious back sheet 3. In the present embodiment, the liquid-permeable top sheet 2 and the liquid-impervious back sheet 3 are formed to have substantially the same longitudinal dimension, but the liquid-permeable top sheet 2 is compared with the liquid-impervious back sheet 3. May be shortened.

次に、上記第1の実施の形態の作用を説明する。   Next, the operation of the first embodiment will be described.

使用に際しては、図1に示す展開状態から吸収性物品本体1を折り曲げて、腹側腰回り部13の図示しない腹側結合部に背側腰回り部11の背側結合部21を結合することにより、吸収性物品本体1を図2に示すパンツ形状とし、パンツのように装着する。   In use, the absorbent article main body 1 is folded from the unfolded state shown in FIG. 1, and the dorsal side coupling portion 21 of the dorsal waist portion 11 is coupled to the ventral side coupling portion (not shown) of the ventral side waist portion 13. Thus, the absorbent article main body 1 is formed into the pants shape shown in FIG.

この状態で第2弾性体9による立体ギャザおよび脚回り弾性体15によるレッグギャザが装着者の脚回りに密着されるとともに、第1弾性体8の収縮により、吸収体4の括れ部4aに臨む透液性表面シート2の各非配設部2aが上方に起立し股下の両側に密着する。   In this state, the three-dimensional gather by the second elastic body 9 and the leg gather by the leg-around elastic body 15 are brought into close contact with the wearer's leg, and the first elastic body 8 contracts to face the constricted portion 4a of the absorber 4. Each non-arranged portion 2a of the liquid-permeable surface sheet 2 stands upward and adheres to both sides of the crotch.

上述したように、上記第1の実施の形態によれば、透液性表面シート2で吸収体4を表面側から裏面側へと囲繞し、この透液性表面シート2の両側縁部を括れ部4aよりも吸収体4の幅方向の中心側の位置にて不透液性裏面シート3に固着することで、透液性表面シート2が剥がれることを防止できる。   As described above, according to the first embodiment, the absorbent body 4 is surrounded by the liquid-permeable surface sheet 2 from the front surface side to the back surface side, and both side edges of the liquid-permeable surface sheet 2 are bound. By fixing to the liquid-impervious back sheet 3 at a position closer to the center of the absorbent body 4 in the width direction than the part 4a, it is possible to prevent the liquid-permeable top sheet 2 from being peeled off.

また、透液性表面シート2の非配設部2aを不透液性裏面シート3に固着せず、かつ、これら非配設部2aに、第2弾性体9よりも伸張応力が大きい第1弾性体8を長手方向に沿って配設することで、この第1弾性体8の収縮によって非配設部2aが起立して装着者の肌に密着してフィット性を向上できるとともに、透液性表面シート2で囲繞された吸収体4の外側を不透液性裏面シート3および疎水性シート5で囲むことで、吸収体4の型崩れを防止でき、装着者の股下部での排泄液の漏れを防止できる。   In addition, the non-arranged portion 2a of the liquid-permeable top sheet 2 is not fixed to the liquid-impermeable back sheet 3, and the non-arranged portion 2a has a first tensile stress greater than that of the second elastic body 9. By disposing the elastic body 8 along the longitudinal direction, the non-arranged portion 2a is erected by the contraction of the first elastic body 8 so as to be in close contact with the wearer's skin and improve the fit. By enclosing the outer side of the absorbent body 4 surrounded by the conductive surface sheet 2 with the liquid-impervious back sheet 3 and the hydrophobic sheet 5, the absorbent body 4 can be prevented from being deformed, and the excretion liquid in the crotch part of the wearer Can prevent leakage.

しかも、透液性表面シート2の両側部が吸収体4の不透液性裏面シート3側である裏側に巻き込まれて位置しているため、起立してギャザ部となった非配設部2aを越えた排泄液を、不透液性裏面シート3により漏れを防止しつつ吸収体4の裏側に位置した透液性表面シート2にて確実に吸収できる。   Moreover, since both side portions of the liquid-permeable top sheet 2 are wound and positioned on the back side of the absorbent body 4 on the liquid-impervious back sheet 3 side, the non-arranged portion 2a that stands up and becomes a gather portion. Excess fluid exceeding the upper limit can be reliably absorbed by the liquid-permeable surface sheet 2 located on the back side of the absorber 4 while preventing leakage by the liquid-impermeable back sheet 3.

さらに、各非配設部2aが上方に向かって起立することで、例えば、吸収性物品本体1の上に、さらに他の吸収性物品(インナ)を配設した場合に、この他の吸収性物品の両側部を各非配設部2aにて保持できる。   Furthermore, when each non-arranged portion 2a stands upward, for example, when another absorbent article (inner) is further arranged on the absorbent article body 1, this other absorbent Both side portions of the article can be held by each non-arranged portion 2a.

そして、不透液性裏面シート3に最外層シート6を固着し、この最外層シート6の長手方向に背側腰回り部11、股下回り部12および腹側腰回り部13を順次形成し、背側腰回り部11両側と腹側腰回り部13両側とを互いに結合して吸収性物品本体1を腰回り開口部22と一対の脚回り開口部23とをそれぞれ伸縮自在に形成する立体的なパンツ形状とすることで、例えば下着、あるいは他のアウタのおむつなどを必要とすることなく、一体的なパンツ型として使用でき、簡便となり、使い勝手を向上できる。   Then, the outermost layer sheet 6 is fixed to the liquid-impermeable back sheet 3, and the back waist part 11, the crotch part 12 and the abdomen waist part 13 are sequentially formed in the longitudinal direction of the outermost layer sheet 6, The back side waist part 11 both sides and the abdominal side waist part 13 both sides are mutually connected, and the absorbent article main body 1 is formed in a three-dimensional manner so that the waist part opening part 22 and the pair of leg part opening parts 23 can be expanded and contracted respectively. By making it into a pant shape, it can be used as an integral pant type without requiring underwear or other outer diapers, for example, which makes it easy and improves usability.

また、疎水性シート5の第2弾性体9が配設されている位置を、吸収性物品本体1の展開状態で吸収体4の括れ部4aよりも内側とすることで、第1弾性体8の収縮により起立した非配設部2aが疎水性シート5の上方に位置することがなく、より確実に漏れを防止できる。   Moreover, the 1st elastic body 8 is made by making the position where the 2nd elastic body 9 of the hydrophobic sheet 5 is arrange | positioned inside the narrow part 4a of the absorber 4 in the expansion | deployment state of the absorbent article main body 1. FIG. The non-arranged portion 2a erected by the contraction of the sheet is not positioned above the hydrophobic sheet 5, and leakage can be prevented more reliably.

さらに、吸収体4を透液性表面シート2で完全に囲繞しないことで、吸収性物品本体1に使用する透液性表面シート2の幅寸法が小さくてよいので、製造コストを低減できる。   Furthermore, since the absorbent body 4 is not completely surrounded by the liquid-permeable surface sheet 2, the width dimension of the liquid-permeable surface sheet 2 used for the absorbent article main body 1 may be small, so that the manufacturing cost can be reduced.

次に、第2の実施の形態を図5を参照して説明する。なお、上記第1の実施の形態と同様の構成および作用については、同一符号を付してその説明を省略する。   Next, a second embodiment will be described with reference to FIG. In addition, about the structure and effect | action similar to the said 1st Embodiment, the same code | symbol is attached | subjected and the description is abbreviate | omitted.

図5に示す実施の形態では、透液性表面シート2の吸収体4が配設されている部分に位置する裏面側が不透液性裏面シート3に固着され、かつ、非配設部2aにて、透液性表面シート2の表面側と裏面側とが互いに固着されている。   In the embodiment shown in FIG. 5, the back side of the liquid permeable top sheet 2 where the absorber 4 is disposed is fixed to the liquid-impermeable back sheet 3, and the non-arranged part 2 a. And the surface side and back surface side of the liquid-permeable surface sheet 2 are mutually fixed.

この場合には、透液性表面シート2の吸収体4が配設されている部分に位置する裏面側を不透液性裏面シート3に固着し、かつ、非配設部2aにて表面側と裏面側とを固着することで、吸収体4を透液性表面シート2で、より確実に囲繞でき、吸収体4の型崩れをより確実に防止できるとともに、透液性表面シート2の非配設部2aが表側と裏側とで一体的となるため、これら非配設部2aが上方に起立し易くできる。   In this case, the back side located at the portion where the absorbent body 4 of the liquid-permeable surface sheet 2 is disposed is fixed to the liquid-impervious back sheet 3 and the surface side is disposed at the non-arranged portion 2a. By adhering to the back surface side, the absorbent body 4 can be more reliably surrounded by the liquid-permeable surface sheet 2, the shape of the absorbent body 4 can be more reliably prevented, and the non-permeability of the liquid-permeable surface sheet 2 can be prevented. Since the disposing portion 2a is integrated on the front side and the back side, these non-disposing portions 2a can easily stand up.

なお、上記第2の実施の形態において、図6に示すように、吸収体4を、この吸収体4が配設されている部分に位置する透液性表面シート2の裏面側とともに不透液性裏面シート3に固着する構成も可能である。この場合には、吸収体4が透液性表面シート2と一体的となり、上記第2の実施の形態と同様の作用効果を奏することができるとともに、吸収体4の型崩れをより確実に防止できる。   In the second embodiment, as shown in FIG. 6, the absorbent body 4 is impermeable together with the back surface side of the liquid-permeable surface sheet 2 located at the portion where the absorbent body 4 is disposed. The structure which adheres to the conductive back sheet 3 is also possible. In this case, the absorbent body 4 is integrated with the liquid-permeable surface sheet 2, and the same effect as that of the second embodiment can be achieved, and the shape of the absorbent body 4 can be more reliably prevented. it can.

また、上記各実施の形態において、図7に示すように、吸収体4を、透液性表面シート2で表裏完全に囲繞する構成も可能である。   Moreover, in each said embodiment, as shown in FIG. 7, the structure which surrounds the front and back completely with the liquid-permeable surface sheet 2 is also possible as shown in FIG.

本発明の第1の実施の形態の使い捨て吸収性物品の展開状態を示す平面図である。It is a top view which shows the expansion | deployment state of the disposable absorbent article of the 1st Embodiment of this invention. 同上使い捨て吸収性物品の装着状態を示す斜視図である。It is a perspective view which shows the mounting state of a disposable absorbent article same as the above. 図1のA−A断面図である。It is AA sectional drawing of FIG. 図1のB−B断面図である。It is BB sectional drawing of FIG. 本発明の第2の実施の形態の使い捨て吸収性物品を示す縦断正面図である。It is a vertical front view which shows the disposable absorbent article of the 2nd Embodiment of this invention. 本発明の他の実施の形態の使い捨て吸収性物品を示す縦断正面図である。It is a vertical front view which shows the disposable absorbent article of other embodiment of this invention. 本発明のさらに他の実施の形態の使い捨て吸収性物品を示す縦断正面図である。It is a vertical front view which shows the disposable absorbent article of other embodiment of this invention.

符号の説明Explanation of symbols

1 吸収性物品本体
2 透液性表面シート
3 不透液性裏面シート
4 吸収体
4a 括れ部
5 疎水性シート
6 最外層シート
7 フラップ部
8 第1弾性体
9 第2弾性体
11 背側腰回り部
12 股下回り部
13 腹側腰回り部
22 腰回り開口部
23 脚回り開口部
DESCRIPTION OF SYMBOLS 1 Absorbent article body 2 Liquid-permeable surface sheet 3 Liquid-impermeable back sheet 4 Absorber
4a Constricted part 5 Hydrophobic sheet 6 Outermost layer sheet 7 Flap part 8 First elastic body 9 Second elastic body
11 Dorsal waist
12 Inseam area
13 Ventral waist area
22 waist opening
23 Leg opening

Claims (4)

透液性表面シート、不透液性裏面シート、および、前記透液性表面シートに囲繞されて前記不透液性裏面シートに配設された吸収体を備え、前記透液性表面シートと前記不透液性裏面シートとで長手方向両端部にフラップ部が形成された吸収性物品本体を具備し、
前記吸収体は、長手方向の中間部に、幅狭状となるように括れた括れ部が形成され、
前記透液性表面シートは、前記吸収体を表面側から裏面側へと囲繞し、この吸収体の裏面側に位置した両側縁部が前記括れ部よりも前記吸収体の幅方向の中心側の位置にて前記不透液性裏面シートに固着され、かつ、前記括れ部に臨み前記吸収体が配設されていない部分が、前記不透液性裏面シートに固着されていないとともに、前記括れ部に臨み前記吸収体が配設されていない部分の両側縁部に長手方向に沿って第1弾性体が配設され、
前記吸収性物品本体には、長手方向に沿って幅方向両側に疎水性シートがそれぞれ配設され、
前記疎水性シートは、長手方向両端が前記吸収性物品本体に固着されるとともに、前記吸収性物品本体の両側縁部近傍に位置する一側部が前記不透液性裏面シートに固着され、かつ、他側部に第2弾性体が長手方向に沿って配設され、
前記第1弾性体は、前記第2弾性体よりも伸張応力が大きい
ことを特徴とした使い捨て吸収性物品。
A liquid-permeable surface sheet, a liquid-impervious back sheet, and an absorbent body surrounded by the liquid-permeable surface sheet and disposed on the liquid-impervious back sheet; It comprises an absorbent article body in which flap portions are formed at both ends in the longitudinal direction with a liquid-impermeable back sheet,
The absorbent body is formed with a constricted portion constricted so as to be narrow in the middle portion in the longitudinal direction,
The liquid-permeable surface sheet surrounds the absorber from the front surface side to the back surface side, and both side edges located on the back surface side of the absorber are closer to the center side in the width direction of the absorber than the constricted portion. A portion fixed to the liquid-impervious back sheet at a position and facing the constricted part where the absorber is not disposed is not adhering to the liquid-impermeable back sheet, and the constricted part The first elastic body is disposed along the longitudinal direction at both side edges of the portion where the absorber is not disposed,
The absorbent article body is provided with hydrophobic sheets on both sides in the width direction along the longitudinal direction,
The hydrophobic sheet has both ends in the longitudinal direction fixed to the absorbent article main body, and one side portion located in the vicinity of both side edges of the absorbent article main body is fixed to the liquid-impermeable back sheet, and The second elastic body is disposed along the longitudinal direction on the other side portion,
The disposable absorbent article, wherein the first elastic body has a greater tensile stress than the second elastic body.
透液性表面シートは、吸収体が配設されている部分に位置する裏面側が不透液性裏面シートに固着され、かつ、括れ部に臨み前記吸収体が配設されていない部分にて、表面側と裏面側とが固着されている
ことを特徴とした請求項1記載の使い捨て吸収性物品。
The liquid-permeable surface sheet is fixed to the liquid-impervious back sheet on the back surface side where the absorber is disposed, and at the portion where the absorber is not disposed facing the constricted portion, The disposable absorbent article according to claim 1, wherein the front side and the back side are fixed.
吸収体は、この吸収体が配設されている部分に位置する透液性表面シートの裏面側とともに不透液性裏面シートに固着されている
ことを特徴とした請求項2記載の使い捨て吸収性物品。
The disposable absorbent according to claim 2, wherein the absorbent body is fixed to the liquid-impervious back sheet together with the back side of the liquid-permeable top sheet positioned at a portion where the absorbent body is disposed. Goods.
吸収性物品本体は、不透液性裏面シートに固着された最外層シートを備え、
この最外層シートは、
長手方向に背側腰回り部、股下回り部および腹側腰回り部が順次形成され、
前記背側腰回り部両側と前記腹側腰回り部両側とを互いに結合して前記吸収性物品本体を腰回り開口部と一対の脚回り開口部とをそれぞれ伸縮自在に形成する立体的なパンツ形状とした
ことを特徴とした請求項1ないし3いずれか一記載の使い捨て吸収性物品。
The absorbent article body includes an outermost layer sheet fixed to the liquid-impermeable back sheet,
This outermost sheet is
The back waist part, the crotch part and the abdomen waist part are sequentially formed in the longitudinal direction,
Three-dimensional pants that connect the both sides of the back-side waist part and both sides of the abdomen-side waist part to each other to form the absorbent article body in such a manner that the waist-hole opening and the pair of leg-hole openings are respectively extendable and retractable. The disposable absorbent article according to any one of claims 1 to 3, wherein the disposable absorbent article has a shape.
JP2004242400A 2004-08-23 2004-08-23 Disposable absorbent article Expired - Fee Related JP4473679B2 (en)

Priority Applications (1)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004242400A JP4473679B2 (en) 2004-08-23 2004-08-23 Disposable absorbent article

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JP2006055502A JP2006055502A (en) 2006-03-02
JP4473679B2 true JP4473679B2 (en) 2010-06-02

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Country Link
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