JP6415318B2 - Open-type disposable wearing articles - Google Patents

Open-type disposable wearing articles Download PDF

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Publication number
JP6415318B2
JP6415318B2 JP2014266713A JP2014266713A JP6415318B2 JP 6415318 B2 JP6415318 B2 JP 6415318B2 JP 2014266713 A JP2014266713 A JP 2014266713A JP 2014266713 A JP2014266713 A JP 2014266713A JP 6415318 B2 JP6415318 B2 JP 6415318B2
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belt member
waist region
waist
diaper
base end
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JP2016123640A (en
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敬智 向井
敬智 向井
信 石神
信 石神
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Uni Charm Corp
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Uni Charm Corp
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Description

本発明は、開放型の使い捨て着用物品に関する。   The present invention relates to an open-type disposable wearing article.

従来、連結手段を介して前ウエスト域と後ウエスト域とを連結してパンツ型の形態をなす開放型の使い捨て着用物品は公知である。例えば、特許文献１には、後ウエスト域側に位置するテープ状のベルト部材を前ウエスト域側に位置するスリットからなる被連結部に連結させてパンツ型の形態をなす、開放型の使い捨て着用物品が開示されている。   2. Description of the Related Art Conventionally, an open-type disposable wearing article in which a front waist region and a rear waist region are connected via a connecting means to form a pants type is known. For example, Patent Document 1 discloses an open-type disposable wear in which a tape-shaped belt member positioned on the rear waist region side is connected to a connected portion made of a slit positioned on the front waist region side to form a pants-type configuration. An article is disclosed.

特開２００７−２６８２１６公報（Ｐ２００７−２６８２１６）JP 2007-268216 A (P2007-268216)

特許文献１に開示の開放型の使い捨て着用物品によれば、ベルト部材を被連結部に挿通させて後方へ折り返して、その先端に位置する係止部を後ウエスト域の外面に係止することによって、前ウエスト域と後ウエスト域とを連結して、おむつが着用者の身体に着用される。   According to the open-type disposable wearing article disclosed in Patent Document 1, the belt member is inserted through the connected portion, folded back, and the locking portion located at the tip is locked to the outer surface of the rear waist region. By connecting the front waist region and the rear waist region, the diaper is worn on the wearer's body.

しかし、ベルト部材は、前後ウエスト域を連結する程度の長さ寸法を有するものであるが、テープ形状を有するものであるから、比較的にウエスト周り寸法の大きな着用者の身体に対しては掛け回すことができず、被連結部と連結させた状態で後ウエスト域へ折り返して止着できないおそれがある。また、被連結部が吸収体の両側に位置してその縦方向の外側に位置するウエスト開口縁部に位置してないことから、ベルト部材の締結力によってウエスト開口縁部を身体にフィットさせることができない。 However, the belt member has a length dimension enough to connect the front and rear waist regions, but has a tape shape, so it is hung on the wearer's body with a relatively large waist circumference. There is a possibility that it cannot be turned and cannot be fixed by folding back to the rear waist region in a state of being connected to the connected portion. In addition, since the connected parts are not located at the waist opening edge located on both sides of the absorbent body and outside the longitudinal direction, the waist opening edge is fitted to the body by the fastening force of the belt member. I can't.

本発明は、従来の開放型の使い捨て着用物品の改良であって、比較的に身体の大きな着用者に対しても前後ウエスト域をフィットさせることができ、かつ、着用操作が比較的に容易な開放型の使い捨て着用物品の提供に関する。   The present invention is an improvement of a conventional open-type disposable wearing article, which can fit the front and rear waist regions even for a wearer with a relatively large body and is relatively easy to wear. The present invention relates to provision of an open-type disposable wearing article.

本発明に係る開放型の使い捨て着用物品は、縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品に関する。   An open-type disposable wearing article according to the present invention has a longitudinal direction and a transverse direction perpendicular thereto, a skin facing surface, a non-skin facing surface located on the opposite side, and a first waist that is one of the front and back waist regions. A second waist region that is the other of the front and rear waist regions, a crotch region positioned between the first and second waist regions, a diaper body having an absorbent body, the first waist region, and the second The present invention relates to an open-type disposable wearing article including a connecting means for connecting a waist region.

本願の第１発明に係る開放型の使い捨て着用物品においては、前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、前記ベルト部材の前記自由部が伸縮可能であって、前記ベルト部材の長さ寸法が、前記おむつ本体の前記縦方向の寸法の３０〜１００％の大きさを有することを特徴とする。
本願の第２発明に係る開放型の使い捨て着用物品においては、前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、前記ベルト部材の基端部は、前記縦方向へ延びる内側縁と、前記縦方向へ延び、かつ、前記内側縁よりも前記縦方向の寸法が大きい外側縁と、前記クロッチ域側において前記内側縁と前記外側縁とをつなぐ、前記基端部と前記自由部との境界線である傾斜縁とを有することを特徴する。
本願の第３発明に係る開放型の使い捨て着用物品においては、前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、前記ベルト部材は、前記縦方向へ延在した状態において、前記おむつ本体と対向する内面とその反対側に位置する外面とを有する帯状のシート部材であって、前記おむつ本体の両側縁よりも前記横方向の内側に位置しており、前記第１ウエスト域において、前記おむつ本体の前記両側縁と前記ベルト部材の内側縁との間には、前記自由部が係止可能な係止部が配置されることを特徴とする。
本願の第４発明に係る開放型の使い捨て着用物品においては、前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、前記ベルト部材は、前記縦方向へ延在した状態において、前記おむつ本体と対向する内面とその反対側に位置する外面とを有する帯状のシート部材であって、前記おむつ本体の両側縁よりも前記横方向の内側に位置しており、前記自由部の前記基端部側の前記外面には、前記おむつ本体の前記第１ウエスト域に係止可能な係止部が配置されることを特徴とする。 In the open-type disposable wearing article according to the first invention of the present application, the connecting means extends from the base end portion, the base end portion located on the non-skin facing surface side of the first waist region, and at least A pair of belt members having a free part in which a locking means is located in part, and at both side edges of the second waist region, located on the outer side in the longitudinal direction or the lateral direction than the absorbent body, The belt member is connected to a connected portion, and the belt member can be locked to the outer surface of the first waist region in a state where the belt member is connected to the connected portion. der is, the free portion of the belt member is a stretchable, and wherein the length of the belt member has the longitudinal 30% to 100% of the size of the dimension of the diaper main body To do.
In the open-type disposable wearing article according to the second invention of the present application, the connecting means extends from the base end portion, the base end portion located on the non-skin facing surface side of the first waist region, and at least A pair of belt members having a free part in which a locking means is located in part, and at both side edges of the second waist region, located on the outer side in the longitudinal direction or the lateral direction than the absorbent body, The belt member is connected to a connected portion, and the belt member can be locked to the outer surface of the first waist region in a state where the belt member is connected to the connected portion. A base end portion of the belt member, an inner edge extending in the longitudinal direction, an outer edge extending in the longitudinal direction and having a dimension in the longitudinal direction larger than the inner edge, and the crotch region side The inner edge and the outer edge; Connecting to characterized in that it has an inclined edge is a boundary line between the free portion and the proximal portion.
In the open-type disposable wearing article according to the third invention of the present application, the connecting means extends from the base end portion, the base end portion located on the non-skin facing surface side of the first waist region, and at least A pair of belt members having a free part in which a locking means is located in part, and at both side edges of the second waist region, located on the outer side in the longitudinal direction or the lateral direction than the absorbent body, The belt member is connected to a connected portion, and the belt member can be locked to the outer surface of the first waist region in a state where the belt member is connected to the connected portion. The belt member is a belt-like sheet member having an inner surface facing the diaper main body and an outer surface located on the opposite side to the diaper main body in a state of extending in the longitudinal direction, and both side edges of the diaper main body Than the side In the first waist region, a locking part capable of locking the free part is disposed between the both side edges of the diaper body and the inner edge of the belt member. It is characterized by that.
In the open-type disposable wearing article according to the fourth invention of the present application, the connecting means extends from the base end portion, the base end portion located on the non-skin facing surface side of the first waist region, and at least A pair of belt members having a free part in which a locking means is located in part, and at both side edges of the second waist region, located on the outer side in the longitudinal direction or the lateral direction than the absorbent body, The belt member is connected to a connected portion, and the belt member can be locked to the outer surface of the first waist region in a state where the belt member is connected to the connected portion. The belt member is a belt-like sheet member having an inner surface facing the diaper main body and an outer surface located on the opposite side to the diaper main body in a state of extending in the longitudinal direction, and both side edges of the diaper main body Than the side A locking portion that can be locked to the first waist region of the diaper main body is disposed on the outer surface of the free portion on the base end side. .

本発明の１つ以上の実施の形態に係る開放型の使い捨て着用物品においては、前後ウエスト域を連結するための連結手段が、第１ウエスト域の外面に位置する基端部から縦方向へ延出する一対のベルト部材と、第２ウエスト域の両側縁部において吸収体よりも縦方向又は横方向の外側に位置する被連結部とから構成されていることによって、ウエスト開口側をベルト部材で締結して着用者の身体にフィットさせることができるともに、着用者の仰臥状態においても連結操作が容易である。また、ベルト状のベルト部材を第２ウエスト域側へ引っ張って被連結部と連結した後に第１ウエスト域側へ折り返して係止するので、ベルト部材自体をサイドパネル等で形成する場合に比して、材料コストを低く抑えることができる。   In the open-type disposable wearing article according to one or more embodiments of the present invention, the connecting means for connecting the front and rear waist regions extends in the vertical direction from the base end portion located on the outer surface of the first waist region. A belt member is formed on the waist opening side by a pair of belt members extending and a connected portion positioned on the outer side in the longitudinal direction or the lateral direction with respect to the absorber at both side edges of the second waist region. It can be fastened to fit the wearer's body, and the connecting operation is easy even when the wearer is in the supine state. In addition, since the belt-shaped belt member is pulled to the second waist region and connected to the connected portion, and then folded and locked to the first waist region, the belt member itself is compared with a case where the belt member itself is formed by a side panel or the like. Thus, the material cost can be kept low.

図面は、本発明の特定の実施の形態を示し、発明の不可欠な構成ばかりでなく、選択的及び好ましい実施の形態を含む。
本発明の開放型の使い捨て着用物品の一例として示す、第１実施形態に係るおむつの使用状態における斜視図。 おむつ本体を構成する各弾性体の最大伸長時（弾性材料（ベルト弾性体を除く）の収縮作用によるギャザーがなくなる程度）まで縦方向及び横方向に伸展したおむつの肌対向面側の一部破断展開平面図。 図２と同様の状態におけるおむつの非肌対向面側の一部破断展開平面図。 図２のＩＶ−ＩＶ線に沿う模式的断面図。 ベルト部材の平面図。 ベルト部材の基端部近傍の拡大平面図。 （１）〜（４）おむつの着用操作の様子を示す図。 変形例の一例におけるおむつの図３と同様の展開平面図。 第２実施形態におけるおむつの図３と同様の展開平面図。 The drawings illustrate specific embodiments of the invention and include selective and preferred embodiments as well as the essential features of the invention.
The perspective view in the use condition of the diaper concerning a 1st embodiment shown as an example of the open type disposable wearing article of the present invention. Partial rupture on the skin facing surface side of the diaper stretched vertically and laterally until the maximum elongation of each elastic body constituting the diaper main body (to the extent that gathers due to the contracting action of elastic materials (excluding belt elastic bodies) disappear) FIG. The partially broken expansion | deployment top view by the side of the non-skin opposing surface of the diaper in the state similar to FIG. FIG. 4 is a schematic cross-sectional view taken along line IV-IV in FIG. 2. The top view of a belt member. The enlarged plan view of the base end part vicinity of a belt member. (1)-(4) The figure which shows the mode of wearing operation of a diaper. The expansion | deployment top view similar to FIG. 3 of the diaper in an example of a modification. The expansion | deployment top view similar to FIG. 3 of the diaper in 2nd Embodiment.

下記の各実施の形態は、図１〜９に示す開放型の使い捨て着用物品に関し、発明の不可欠な構成ばかりではなく、選択的及び好ましい構成を含む。   Each of the following embodiments relates to an open-type disposable wearing article shown in FIGS. 1 to 9 and includes not only an indispensable structure of the invention but also a selective and preferable structure.

＜第１実施形態＞
図１〜４を参照すると、本発明に係る開放型の着用物品の一例として示す使い捨ておむつ１０は、縦方向Ｙ及びそれに直交する横方向Ｘを有し、縦方向Ｙに沿う縦軸Ｐと、横方向Ｘに沿う横軸Ｑと、肌対向面及び非肌対向面と、前ウエスト域（第１ウエスト域又は第２ウエスト域）１１と、後ウエスト域（第２ウエスト域又は第１ウエスト域）１２と、前後ウエスト域１１，１２間に位置するクロッチ域１３と、おむつ本体１４と、前後ウエスト域１１，１２に取り付けられた連結手段１５とを備える。本実施形態においては、連結手段１５は、おむつ本体１４に取り付けられる。図１に示すとおり、おむつ本体１４の前ウエスト域１１と後ウエスト域１２とを連結手段１５によって連結することによって、ウエスト開口１６及び一対のレッグ開口１７が画定されて、おむつ１０は、パンツ型の形状を呈する。 <First Embodiment>
1 to 4, a disposable diaper 10 shown as an example of an open-type wearing article according to the present invention has a longitudinal direction Y and a transverse direction X orthogonal thereto, and a longitudinal axis P along the longitudinal direction Y, The horizontal axis Q along the lateral direction X, the skin facing surface and the non-skin facing surface, the front waist region (first waist region or second waist region) 11, and the rear waist region (second waist region or first waist region) ) 12, a crotch region 13 positioned between the front and rear waist regions 11, 12, a diaper main body 14, and a connecting means 15 attached to the front and rear waist regions 11, 12. In the present embodiment, the connecting means 15 is attached to the diaper main body 14. As shown in FIG. 1, the front waist region 11 and the rear waist region 12 of the diaper main body 14 are connected by a connecting means 15, thereby defining a waist opening 16 and a pair of leg openings 17. It exhibits the shape of

＜おむつ本体＞
おむつ本体１４は、横方向Ｘへ延びて縦方向Ｙへ互いに対向する前後端縁１４ａ，１４ｂと、前端縁１４ａと後端縁１４ｂとの間に位置して縦方向Ｙへ延びる両側縁１４ｃ，１４ｄとによって画定された略長方向形状を有する。おむつ本体１４は、肌対向面側に位置する透液性の表面シート２１と、非肌対向面側に位置する不透液性の裏面シート２２と、表面シート２１と裏面シート２２との間に介在された吸収体２３と、表面シート２１の肌対向面側に横方向Ｘにおいて互いに対向して配置された一対のバリアカフシート２４とを含む。また、吸収体２３と裏面シート２２との間には、その底面全体を被覆する大きさを有する防漏シート２６が配置される。 <Diaper body>
The diaper main body 14 includes a front and rear end edges 14a and 14b extending in the horizontal direction X and facing each other in the vertical direction Y, and both side edges 14c extending in the vertical direction Y between the front end edge 14a and the rear end edge 14b. 14d and a substantially longitudinal shape. The diaper main body 14 includes a liquid-permeable surface sheet 21 located on the skin facing surface side, a liquid-impermeable back sheet 22 located on the non-skin facing surface side, and between the surface sheet 21 and the back sheet 22. The intervening absorbent body 23 and a pair of barrier cuff sheets 24 arranged to face each other in the lateral direction X on the skin facing surface side of the topsheet 21 are included. Further, a leak-proof sheet 26 having a size covering the entire bottom surface is disposed between the absorber 23 and the back sheet 22.

表面シート２１は、好ましくは親水性のスパンボンド繊維不織布、エアスルー繊維不織布等の各種公知の繊維不織布、多孔性プラスチックフィルム及び繊維不織布とプラスチックフィルムとのラミネートシートから形成される。裏面シート２２は、おむつ１０の外形をなすものであって、透湿性プラスチックフィルム、各種公知の繊維不織布及びそれらのラミネートシート等から形成される。表面シート２１としては、例えば、ポリプロピレンを用いた質量約１０〜２５ｇ／ｍ２の親水性スパンボンド繊維不織布、裏面シートとしては、例えば、１０〜２０ｇ／ｍ２の疎水性のＳＭＳ繊維不織布、防漏シート２６としては、例えば、非通気性の約１５〜３０ｇ／ｍ２のポリエチレン製のプラスチックシートを用いることができる。 The top sheet 21 is preferably formed from various known fiber nonwoven fabrics such as hydrophilic spunbond fiber nonwoven fabrics and air-through fiber nonwoven fabrics, porous plastic films, and laminate sheets of fiber nonwoven fabrics and plastic films. The back sheet 22 forms the outer shape of the diaper 10 and is formed from a moisture-permeable plastic film, various known fiber nonwoven fabrics, and laminate sheets thereof. As the surface sheet 21, for example, a hydrophilic spunbond fiber nonwoven fabric having a mass of about 10 to 25 g / m 2 using polypropylene, and as the back sheet, for example, a hydrophobic SMS fiber nonwoven fabric having 10 to 20 g / m 2 , As the leakage sheet 26, for example, a non-breathable polyethylene plastic sheet of about 15 to 30 g / m 2 can be used.

吸収体２３は、曲状の前後端縁２３ａ，２３ｂと、前後端縁２３ａ，２３ｂの間において凹曲状に縦方向Ｙへ延びる両側縁２３ｃ，２３ｄと、前後端部と、前後端部間に位置する中央部とを有し、クロッチ域１３を中心として前後ウエスト域１１，１２まで延出している。吸収体２３は、フラッフ木材パルプと超吸収性ポリマー（ＳＡＰ）粒子との混合等から形成され、所要の形状に賦型された吸収性コアと、吸収性コアを包被する液拡散性のティッシュペーパ等から形成されたコアラップシートとを有する。   The absorber 23 includes a curved front and rear end edges 23a and 23b, both side edges 23c and 23d extending in the longitudinal direction Y in a concave shape between the front and rear end edges 23a and 23b, the front and rear end portions, and the front and rear end portions. A central portion located at the center of the crotch region 13 and extending to the front and rear waist regions 11 and 12. The absorbent body 23 is formed of a mixture of fluffed wood pulp and superabsorbent polymer (SAP) particles, and the like. The absorbent core is shaped into a required shape, and a liquid diffusible tissue enveloping the absorbent core. And a core wrap sheet formed of paper or the like.

吸収体２３に求められる吸水量は、乳幼児用や大人用等の使用される用途によって異なるが、例えば、大人用として使用されるおむつの場合には、吸収体の吸水量は３００ｇ以上であることが好ましい。例えば、比較的に高吸収量の着用物品において、比較的に多量の排泄物が排泄された場合であっても、本発明に係る連結手段１５を用いることによって、おむつ１０が適正な位置において身体にフィットされて、排泄物の漏れを防止することができる。かかる吸水量を実現するために、吸収体２３をＳＡＰ粒子のみで形成することも可能であるが、保水量を調整するために、所要割合のパルプ材料を含有することが好ましく、含有するパルプ材料の質量に応じて吸収体の厚みが変化しうる。   The amount of water absorption required for the absorber 23 varies depending on the application used for infants and adults. For example, in the case of a diaper used for adults, the amount of water absorption of the absorber is 300 g or more. Is preferred. For example, even when a relatively large amount of excrement is excreted in a relatively high absorption amount of a worn article, the diaper 10 can be placed in a proper position by using the connecting means 15 according to the present invention. To prevent the leakage of excrement. In order to realize such a water absorption amount, it is possible to form the absorber 23 with only SAP particles. However, in order to adjust the water retention amount, it is preferable to contain a required proportion of the pulp material, and the pulp material to be contained The thickness of the absorbent body can be changed according to the mass.

吸収性コアとしては、例えば、フラップ木材パルプの含有量が１００〜３００ｇ／ｍ２、ＳＡＰの含有量が５０〜２００ｇ／ｍ２、厚さ寸法が約２０〜４０ｍｍのものを用いることができる。また、吸収性コアは、単層ではなく、２層以上の複層構造であってもよく、縦方向Ｙへ延びる、吸収性コアを貫通する又は有底溝状の複数のスリットが形成されていてもよい。吸収性コアのスリットは、例えば、幅３〜２０ｍｍ、縦方向Ｙの長さ寸法５０〜２５０ｍｍであって、縦中心線Ｐに沿う中央部と、中央部の両側に位置する側方部とから構成されていてもよい。このように、吸収性コアにスリットが形成されていることによって、スリットを基点として変形が容易となり、長時間の着用による吸収体２３のよれによる一部破断等を抑制する。また、スリットによって体液の拡散性が向上して吸収体２３全体の吸収効率が向上する。かかる効果を奏するために、スリットの中央部と側方部とは、それぞれ、縦方向へ非連続の複数の溝から形成することが好ましい。 As an absorptive core, content of flap wood pulp is 100-300 g / m < 2 >, content of SAP is 50-200 g / m < 2 >, and a thickness dimension is about 20-40 mm, for example. Further, the absorbent core may not be a single layer but may be a multilayer structure of two or more layers, and a plurality of slits extending in the longitudinal direction Y, penetrating the absorbent core or having a bottomed groove shape are formed. May be. The slit of the absorbent core has, for example, a width of 3 to 20 mm and a length dimension of 50 to 250 mm in the vertical direction Y. From the central part along the vertical center line P and the side parts located on both sides of the central part It may be configured. Thus, by forming the slit in the absorbent core, deformation becomes easy with the slit as a base point, and partial breakage or the like due to kinking of the absorbent body 23 due to wearing for a long time is suppressed. Further, the diffusibility of the body fluid is improved by the slit, and the absorption efficiency of the entire absorber 23 is improved. In order to exhibit such an effect, it is preferable that the central portion and the side portion of the slit are respectively formed from a plurality of grooves that are not continuous in the vertical direction.

吸収体２３は、例えば、それを包被するコアラップシートの上下面にスパイラル状に塗布された質量５〜１０ｇ／ｍ２のホットメルト接着剤を介して接合される。
複数のスリットを設けた場合には、スリット存在域を他の領域とは異なる厚さ寸法を設定してプレスすることによって、型崩れを防止することができる。また、体液の吸収速度を向上させるために、表面シート２１と吸収体２３との間に、エアスルー繊維不織布や開孔フィルムから形成されたクッションシート（セカンドシート）を配置してもよい。 For example, the absorbent body 23 is bonded to the upper and lower surfaces of the core wrap sheet covering the absorbent body 23 via a hot melt adhesive having a mass of 5 to 10 g / m 2 applied in a spiral shape.
When a plurality of slits are provided, it is possible to prevent the deformation of the slit by pressing the slit existing area with a thickness dimension different from that of the other areas. Moreover, in order to improve the absorption speed of a bodily fluid, you may arrange | position the cushion sheet (second sheet) formed from the air through fiber nonwoven fabric or the apertured film between the surface sheet 21 and the absorber 23. FIG.

おむつ本体１４は、吸収体の前後端縁２３ａ，２３ｂから縦方向Ｙの外側へ延出する表面シート２１、裏面シート２２及びバリアカフシート２４が互いに重ね合わされて接合されることによって形成された、横方向Ｘへ延びるエンドフラップと、吸収体の両側縁から横方向Ｘの外側へ延出する表面シート２１と、裏面シート２２及びバリアカフシート２４とが互いに重ね合わされて接合されることによって形成された、縦方向へ延びるサイドフラップとを有する。   The diaper main body 14 was formed by superimposing and joining a top sheet 21, a back sheet 22 and a barrier cuff sheet 24 extending from the front and rear end edges 23a and 23b of the absorbent body to the outside in the longitudinal direction Y. The end flaps extending in the lateral direction X, the top sheet 21 extending from the both side edges of the absorbent body to the outside in the lateral direction X, the back sheet 22 and the barrier cuff sheet 24 are overlapped and joined to each other. And a side flap extending in the longitudinal direction.

一対のバリアカフシート２４は、例えば、疎水性の繊維不織布から形成されており、縦軸に関して対称であって互いに横方向Ｘへ離間対向して位置しており、それぞれ、サイドフラップの一部を形成する近位縁部と、前後ウエスト域１１，１２において表面シート２１の肌対向面に固定された前後固定端部と、前後固定端部間において縦方向Ｙへ延びる、バリアカフシート２４の内側縁部を内方へ折り返すことによって形成された遠位縁部とを有する。バリアカフシート２４と裏面シート２２との間には、縦方向Ｙへ延びる複数条のストリング状又はストランド状のレッグ弾性体２５が伸長状態で収縮可能に取り付けられる。バリアカフシート２４としては、例えば、質量約２０〜３０ｇ／ｍ２の疎水性の繊維不織布を用いることができ、レッグ弾性体２５としては、例えば、繊度８００〜１０００ｄｔｅｘ、長さ約３００〜５００ｍｍであって、約２．０〜３．０倍に伸長された状態で収縮可能に固定された弾性糸を用いることができる。レッグ弾性体２５は、例えば、約３．０〜６．０ｍｍの離間寸法（ピッチ）で配置される。 The pair of barrier cuff sheets 24 are formed of, for example, a hydrophobic fiber nonwoven fabric, are symmetrical with respect to the vertical axis, and are positioned so as to be spaced apart from each other in the lateral direction X. The inner edge of the barrier cuff sheet 24 extending in the longitudinal direction Y between the proximal edge to be formed, the front and rear fixed ends fixed to the skin facing surface of the topsheet 21 in the front and rear waist regions 11 and 12, and the front and rear fixed ends And a distal edge formed by folding the edge inward. A plurality of string-like or strand-like leg elastic bodies 25 extending in the longitudinal direction Y are attached between the barrier cuff sheet 24 and the back sheet 22 so as to be contracted in an extended state. As the barrier cuff sheet 24, for example, a hydrophobic fiber nonwoven fabric having a mass of about 20 to 30 g / m 2 can be used. As the leg elastic body 25, for example, a fineness of 800 to 1000 dtex and a length of about 300 to 500 mm Thus, an elastic yarn fixed so as to be shrinkable in a state of being stretched about 2.0 to 3.0 times can be used. The leg elastic bodies 25 are arranged with a separation dimension (pitch) of about 3.0 to 6.0 mm, for example.

遠位縁部には、縦方向Ｙへ延びる複数条のストランド状又はストリング状のカフ弾性体２９が収縮可能に配設されている。遠位縁部は、おむつ１０の着用状態において、カフ弾性体２９の収縮作用によって表面シート２１の肌対向面から離間し、排泄物の横漏れを防止するための一対のバリアカフが形成される。カフ弾性体２９としては、例えば、繊度８００〜１０００ｄｔｅｘ、長さ約５００〜７００ｍｍであって、約２．０〜３．０倍に伸長された状態で収縮可能に固定された弾性糸を用いることができる。   A plurality of strand-like or string-like cuff elastic bodies 29 extending in the longitudinal direction Y are disposed on the distal edge portion so as to be contractible. When the diaper 10 is worn, the distal edge is separated from the skin-facing surface of the topsheet 21 by the contracting action of the cuff elastic body 29, and a pair of barrier cuffs for preventing side leakage of excrement are formed. As the cuff elastic body 29, for example, an elastic yarn having a fineness of 800 to 1000 dtex and a length of about 500 to 700 mm and being stretchably fixed in a state of being stretched about 2.0 to 3.0 times is used. Can do.

後ウエスト域１２のエンドフラップには、横方向へ延びるウエスト弾性体２８が配置される。ウエスト弾性体２８は、一対の被連結部４０間に位置する後ウエスト域１２の中央部において、表面シート２１と裏面シート２２（又は防漏シート）との間において横方向Ｘへ伸長状態で収縮可能に配置された複数条のストリング状又はストランド状の弾性体から形成される。ウエスト弾性体２８が配置されることによって、後ウエスト域１２のフィット性が向上するとともに、それが被連結部４０間に位置することによって、連結手段１５の連結操作時において被連結部４０の配置領域を横方向Ｘの外側へ引っ張りやすくなる。   A waist elastic body 28 extending in the lateral direction is disposed on the end flap of the rear waist region 12. The waist elastic body 28 is contracted in the stretched state in the lateral direction X between the top sheet 21 and the back sheet 22 (or leak-proof sheet) at the center of the rear waist region 12 located between the pair of connected portions 40. It is formed from a plurality of string-like or strand-like elastic bodies arranged in a possible manner. By arranging the waist elastic body 28, the fit of the rear waist region 12 is improved, and because the waist elastic body 28 is positioned between the connected portions 40, the connection portion 40 is arranged during the connecting operation of the connecting means 15. It becomes easier to pull the region outward in the lateral direction X.

＜連結手段＞
連結手段１５は、おむつ１０の展開状態において、おむつ本体１４の両側部において前後ウエスト域１１，１２間を縦方向Ｙへ延びる一対のベルト部材（ベルト部（第１連結部材））３０と、後ウエスト域１２の両側縁部において、吸収体２３よりも縦方向Ｙの外側に位置する、ベルト部材３０が連結される被連結部（第２連結部材）４０とから構成される。ベルト部材３０は、おむつ本体１４の前ウエスト域１１に固定された基端部３１と、基端部３１から延出する自由部３２とを有する。本実施形態において、ベルト部材３０は前ウエスト域１１に位置し、第２連結部材４０は後ウエスト域１２に位置しているが、ベルト部材３０が後ウエスト域１２、第２連結部材４０が前ウエスト域１１に位置していてもよい。 <Connecting means>
The connecting means 15 includes a pair of belt members (belt portion (first connecting member) ) 30 extending in the longitudinal direction Y between the front and rear waist regions 11 and 12 on both side portions of the diaper main body 14 in the unfolded state of the diaper 10, and the rear It is comprised from the to-be-connected part (2nd connection member) 40 to which the belt member 30 is located located in the outer side of the longitudinal direction Y rather than the absorber 23 in the both-sides edge part of the waist region 12. The belt member 30 has a base end portion 31 fixed to the front waist region 11 of the diaper main body 14 and a free portion 32 extending from the base end portion 31. In the present embodiment, the belt member 30 is located in the front waist region 11 and the second connecting member 40 is located in the rear waist region 12, but the belt member 30 is located in the rear waist region 12 and the second connecting member 40 is located in the front. It may be located in the waist region 11.

＜被連結部＞
被連結部４０は、おむつ本体１４を貫通する、ベルト部材３０の先端が挿通可能な略十字状のスリットである。図１に示すように、ベルト部材３０の先端３３を被連結部４０に挿通させてベルト部材３０と第２連結部材４０とを連結して、ベルト部材３０の先端３３を前ウエスト域１１の外面へ向かって折り返して、先端３３に位置する第１係止部３４をその外面に係止させることによって、おむつ１０はパンツ型を呈する。 <Connected part>
The coupled portion 40 is a substantially cross-shaped slit that penetrates the diaper main body 14 and allows the tip of the belt member 30 to be inserted. As shown in FIG. 1, the front end 33 of the belt member 30 is inserted through the connected portion 40 to connect the belt member 30 and the second connection member 40, and the front end 33 of the belt member 30 is connected to the outer surface of the front waist region 11. The diaper 10 takes on a pants shape by turning back toward and locking the first locking portion 34 located at the tip 33 to the outer surface thereof.

被連結部４０の配置領域には、プラスチックフィルム又は繊維不織布から形成された補強シート４１が配置される。補強シート４１は、幅寸法（横方向Ｘの寸法）が約４０〜６０ｍｍ、長さ寸法（縦方向Ｙの寸法）が約３０〜５０ｍｍであって、その内部に約２０〜４０ｍｍの横ラインと約１０〜２０ｍｍの縦ラインとが交差してなるスリット状の被連結部４０が位置する。補強シート４１は、バリアカフシート２４の後固定端部の肌対向面側に、例えば、質量約３０ｇ／ｍ２のホットメルト接着剤を介して固定されており、補強シート４１が被連結部４０を囲むように配置されることによって、シート強度が向上して、スリット状の被連結部４０にベルト部材３０を挿通して引っ張ったときに被連結部４０を基点とするシート破れを防止しうる。かかるシート破れをさらに効果的に防止するために、被連結部４０と補強シート４１の外周縁とが約１０〜２０ｍｍ離間していることが好ましい。補強シート４１は、後ウエスト域１２全域に配置してもよいが、局所的に配置することによって、コストを抑えることができるとともに、後ウエスト域１２全体の柔軟性を保持することができる。また、補強シート４１は、表面シート２１とバリアカフシート２４との間に配置されていてもよい。 A reinforcing sheet 41 formed from a plastic film or a fiber nonwoven fabric is arranged in the arrangement region of the connected parts 40. The reinforcing sheet 41 has a width dimension (dimension in the horizontal direction X) of about 40 to 60 mm and a length dimension (dimension in the vertical direction Y) of about 30 to 50 mm, and has a horizontal line of about 20 to 40 mm inside thereof. A slit-like connected portion 40 formed by intersecting a vertical line of about 10 to 20 mm is located. The reinforcing sheet 41 is fixed to the skin facing surface side of the rear fixed end portion of the barrier cuff sheet 24 via, for example, a hot melt adhesive having a mass of about 30 g / m 2 , and the reinforcing sheet 41 is connected to the connected portion 40. By being arranged so as to surround the sheet, the sheet strength is improved, and when the belt member 30 is inserted through the slit-like connected portion 40 and pulled, the sheet breakage with the connected portion 40 as a base point can be prevented. . In order to more effectively prevent such sheet tearing, it is preferable that the connected portion 40 and the outer peripheral edge of the reinforcing sheet 41 are separated from each other by about 10 to 20 mm. The reinforcing sheet 41 may be disposed over the entire rear waist region 12, but by locally disposing the reinforcing sheet 41, the cost can be suppressed and the flexibility of the entire rear waist region 12 can be maintained. Further, the reinforcing sheet 41 may be disposed between the top sheet 21 and the barrier cuff sheet 24.

被連結部４０は、横方向Ｘ又は縦方向Ｙへ延びる１条又は複数条のスリットや円形、矩形等のくり抜き形状であってもよい。ただし、本実施形態のように、横方向へ並行に延びる横ラインを有することによって、ベルト部材３０を挿通して基端部３１側へ引っ張ったときにおむつ本体１４が縦方向Ｙへよれることはなく、被連結部４０に引っ張り力が十分に伝わっておむつ本体１４全体を前方へ引き寄せることができる。また、横ラインは製造時における資材が搬送される方向と交差する方向と一致するので、引き裂き強度が縦方向に比べて高く、シート破れを防止しうる。さらに、横ラインと交差するように縦ラインを有することによって開口が大きくなり、ベルト部材３０の先端３３を被連結部４０に挿通しやすくなる。補強シート４１には、例えば、質量約２０〜４０ｇ／ｍ２の非通気性のプラスチックフィルムや各種公知の繊維不織布を用いることができ、また、ベルト部材３０の挿通時におけるすべり性を向上させるために、その肌対向面側に表面処理が施されていてもよい。本実施形態においては、補強シート４１の肌対向面側にエンボス加工を施すことによって、ベルト部材３０の先端に位置するフック要素からなる係止部が補強シート４１に絡みつくのを防止してベルト部材３０の挿通を容易にしている。 The connected portion 40 may have a single or multiple slits extending in the horizontal direction X or the vertical direction Y, or a hollow shape such as a circle or a rectangle. However, as in the present embodiment, the diaper main body 14 is moved in the vertical direction Y when the belt member 30 is inserted and pulled toward the base end 31 side by having a horizontal line extending in parallel in the horizontal direction. The pulling force is sufficiently transmitted to the connected portion 40, and the entire diaper main body 14 can be drawn forward. Further, since the horizontal line coincides with the direction intersecting the direction in which the material is conveyed at the time of manufacture, the tear strength is higher than that in the vertical direction, and sheet tearing can be prevented. Furthermore, by having the vertical line so as to intersect the horizontal line, the opening becomes large, and the tip 33 of the belt member 30 can be easily inserted into the connected portion 40. For the reinforcing sheet 41, for example, a non-breathable plastic film having a mass of about 20 to 40 g / m 2 or various known fiber nonwoven fabrics can be used, and in order to improve the slipping property when the belt member 30 is inserted. Moreover, the surface treatment may be given to the skin opposing surface side. In the present embodiment, the embossing is performed on the skin facing surface side of the reinforcing sheet 41 to prevent the engaging portion made of the hook element located at the tip of the belt member 30 from being entangled with the reinforcing sheet 41. 30 insertion is made easy.

補強シート４１として、表面シート２１とバリアカフシート２４とは別体のシート部材を用いたが、表面シート２１やバリカフシート２４のシート強度を全体的又は局所的に向上させることによって同様の効果を奏したりしてもよい。また、図示していないが、ベルト部材３０の幅寸法又は配置位置を調整することによって、先端縁がおむつ本体１４の後端縁１４ｂに重なるように縦方向Ｙへ延在させた状態において、先端の一部が被連結部４０と平面視において重なるように後ウエスト域１２に剥離可能に固定し、かかる剥離可能な固定部分によって補強シートを形成してもよい。おむつ１０の保管状態において、このように、ベルト部材３０の先端のうちの剥離可能な部分を被連結部４０と重なるように配置することによって、おむつ１０を使用する前に被連結部４０を基点とするシート破れやその開口が塞がるような折れ曲がりを防止することができる。   As the reinforcing sheet 41, a separate sheet member is used for the topsheet 21 and the barrier cuff sheet 24, but the same effect can be achieved by improving the sheet strength of the topsheet 21 and the burr cuff sheet 24 as a whole or locally. Or you may. Although not shown in the drawings, in the state where the front end edge extends in the longitudinal direction Y so as to overlap the rear end edge 14b of the diaper body 14 by adjusting the width dimension or the arrangement position of the belt member 30, the front end May be releasably fixed to the rear waist region 12 so that a part of the portion overlaps the connected portion 40 in plan view, and the reinforcing sheet may be formed by such a releasable fixing portion. Thus, in the storage state of the diaper 10, by placing the peelable portion of the tip of the belt member 30 so as to overlap the connected portion 40, the connected portion 40 is used as a base point before using the diaper 10. It is possible to prevent the sheet from being broken and bent so that the opening is closed.

被連結部４０に関わる必要強度についていえば、被連結部４０がベルト部材３０と連結された状態において前方へ引っ張られたときに、被連結部４０の横ライン及び／又は縦ラインの端縁からシート破れが生じたりすることを避けるための強度が必要である。したがって、被連結部４０の配置領域は、少なくとも３０Ｎ 以上であって、好ましくは、５０Ｎ以上の引張強度が必要であるといえる。   Speaking of the required strength related to the connected portion 40, when the connected portion 40 is pulled forward in a state where the connected portion 40 is connected to the belt member 30, from the edge of the horizontal line and / or the vertical line of the connected portion 40. Strength is required to avoid sheet tearing. Therefore, it can be said that the arrangement region of the connected portion 40 is at least 30 N or more, and preferably requires a tensile strength of 50 N or more.

＜ベルト部材＞
図５を参照すると、ベルト部材３０は、縦方向Ｙへ延在した状態において、おむつ本体１４と対向する内面３０ａとその反対側に位置する外面３０ｂとを有する帯状のシート部材であって、内面３０ａを形成する第１シート３５と、外面３０ｂを形成する第２シート３６と、第１及び第２シート３５，３６の間において伸長状態で収縮可能に固定された複数条のストリング状又はストランド状のベルト弾性体３７とを有する。第１及び第２シート３５，３６は、質量が約１０〜３０ｇ／ｍ２であって、好ましくは疎水性を有する、スパンボンド繊維不織布、エアスルー繊維不織布等の公知の繊維不織布のほかに、伸縮性繊維不織布から形成される。ベルト部材３０の先端３３の肌対向面（図３において、おむつ本体１４と対向する面）側には、前ウエスト域１１の外面に係止可能な第１係止部３４が位置する。 <Belt member>
Referring to FIG. 5, the belt member 30 is a belt-like sheet member having an inner surface 30 a facing the diaper main body 14 and an outer surface 30 b located on the opposite side in a state extending in the longitudinal direction Y. A first sheet 35 forming 30a, a second sheet 36 forming the outer surface 30b, and a plurality of strings or strands fixed in a stretchable manner between the first and second sheets 35 and 36 Belt elastic body 37. The first and second sheets 35 and 36 have a mass of about 10 to 30 g / m 2 and preferably have a hydrophobic property, in addition to known fiber nonwoven fabrics such as spunbond fiber nonwoven fabrics and air-through fiber nonwoven fabrics. It is formed from a conductive fiber nonwoven fabric. A first locking portion 34 that can be locked to the outer surface of the front waist region 11 is located on the skin facing surface (the surface facing the diaper main body 14 in FIG. 3) side of the tip 33 of the belt member 30.

自由部３２は、先端３３側及び基端部３１側に位置する、ベルト弾性体３７の収縮力が実質的に発現されていない非伸縮部分と、非伸縮部分間においてベルト弾性体３７の収縮力が実質的に発現されている伸縮部分とを有する。自由部３２の伸縮部分が縦方向Ｙへ伸長されることによって、後記のとおり、ベルト部材３０は、第２連結部材４０に連結した状態で折り返して前ウエスト域１１の外面に先端３３を係止しうる。先端３３がベルト弾性体３７の収縮力が実質的に発現されていない非伸縮部分であることによって、ベルト弾性体３７の収縮作用が第１係止部３４に直接的に作用しないので、その収縮力によって第１係止部３４の係止が解除されたり、収縮によるギャザーによって第１係止部３４が変形するのを防止しうる。   The free portion 32 includes a non-stretchable portion where the contraction force of the belt elastic body 37 is not substantially expressed and located on the distal end 33 side and the base end portion 31 side, and a contraction force of the belt elastic body 37 between the non-stretchable portions. And a stretchable part that is substantially expressed. By extending the stretchable portion of the free portion 32 in the longitudinal direction Y, as described later, the belt member 30 is folded back in a state of being connected to the second connecting member 40 and the front end 33 is locked to the outer surface of the front waist region 11. Yes. Since the tip 33 is a non-stretchable portion in which the contraction force of the belt elastic body 37 is not substantially expressed, the contraction action of the belt elastic body 37 does not directly act on the first locking portion 34. It is possible to prevent the first locking portion 34 from being unlocked by force, or the first locking portion 34 to be deformed by gather due to contraction.

ベルト部材３０は、製造工程、包装及び保管状態において、基端部３１が前ウエスト域１１の外面に固定されるとともに、先端３３が第１係止部３４を介して前ウエスト域１１の外面に仮止めされている。先端３３が仮止めされることによって、製造工程においてベルト部材３０がおむつ本体１４から外れて邪魔になることはなく、また、包装及び保管状態においてベルト部材３０の一部がおむつ本体１４から延出して折れ曲がったり一部が破損したりするのを防止することができる。また、クロッチ域１３においてベルト部材３０の縦方向Ｙへ延びる外側縁３０ｃが、おむつ１０の平面において吸収体２３の側縁２３ｃ，２３ｄよりも横方向Ｘの内側に位置したり、または、それと互いに重なるように位置することが好ましい。かかる場合には、吸収体２３の側縁２３ｃ，２３ｄに沿っておむつ１０の両側を横方向Ｘの内側へ折り曲げたり、おむつ１０を縦方向Ｙにおいて三つ折りにしたときにベルト部材３０全体を吸収体２３とともに折り曲げることができ、おむつ１０をコンパクトに収容することができる。また、被連結部４０への挿通を容易にするために、ベルト部材３０の表面にシリコン塗布等による滑りを向上させるための処理を行うことが好ましい。   The belt member 30 has a base end portion 31 fixed to the outer surface of the front waist region 11 and a distal end 33 on the outer surface of the front waist region 11 via the first locking portion 34 in the manufacturing process, packaging and storage state. It is temporarily fixed. By temporarily fixing the tip 33, the belt member 30 does not come off the diaper main body 14 during the manufacturing process, and a part of the belt member 30 extends from the diaper main body 14 in a packaged and stored state. Can be prevented from being bent or partially broken. Further, the outer edge 30c extending in the longitudinal direction Y of the belt member 30 in the crotch region 13 is located on the inner side in the lateral direction X with respect to the side edges 23c and 23d of the absorber 23 on the plane of the diaper 10, or mutually It is preferable to position so that it may overlap. In such a case, the entire belt member 30 is absorbed when both sides of the diaper 10 are folded inward in the lateral direction X along the side edges 23c and 23d of the absorbent body 23 or when the diaper 10 is folded in the longitudinal direction Y. It can be bent together with the body 23 and the diaper 10 can be accommodated compactly. Further, in order to facilitate the insertion into the coupled portion 40, it is preferable to perform a process for improving the slippage due to silicon coating or the like on the surface of the belt member 30.

既述のとおり、ベルト部材３０の先端３３の内面３０ａには、メカニカルファスナのフック要素を有する第１係止部３４が配置される。第１係止部３４は、フック要素が配置されたフックシートと、点状、ライン状又はスパイラル状に塗布されたホットメルト接着剤を介してフックシートと接合された基材シートとから構成される。フックシートの周縁部とフックシートとは、ソニックシール等による公知の溶着手段によって剥離を防止することが好ましい。第１係止部３４の基材シートは、質量約３０〜１２０ｇ／ｍ２、好ましくは、４０〜９０ｇ／ｍ２の合計目付となるように、スパンボンド繊維不織布等の公知の繊維不織布を単数又は複数積層して形成される。 As described above, the first locking portion 34 having a hook element of a mechanical fastener is disposed on the inner surface 30 a of the tip 33 of the belt member 30. The first locking portion 34 includes a hook sheet on which hook elements are arranged, and a base material sheet joined to the hook sheet via a hot melt adhesive applied in a dot shape, a line shape, or a spiral shape. The It is preferable to prevent the peripheral edge portion of the hook sheet and the hook sheet from being separated by a known welding means such as a sonic seal. The base sheet of the first locking portion 34 is made of a known fiber nonwoven fabric such as a spunbond fiber nonwoven fabric so as to have a total basis weight of about 30 to 120 g / m 2 , preferably 40 to 90 g / m 2. Alternatively, a plurality of stacked layers are formed.

また、前ウエスト域１１のウエスト開口縁部の外面には、ベルト部材３０の先端３３に位置する第１係止部（フック部又はループ部等）３４が係止可能な第２係止部（ループ部又はフック部等）５０が配置される。第２係止部５０を形成する基材シートは、横長矩形状であって、例えば、横方向Ｘの寸法が約１８０〜２５０ｍｍ、縦方向Ｙの寸法が約３０〜６０ｍｍのポリオレフィン系の熱可塑性合成樹脂繊維から作られた繊維不織布又はポリオレフィン系の熱可塑性合成樹脂フィルム、ループ要素はポリオレフィン系の熱可塑性合成樹脂が好適に用いられる。第２係止部５０の基材シートとして比較的に嵩高の繊維不織布を使用した場合には、基材シートの表面にエンボス加工を施して毛羽立ちを防止してもよい。   Further, on the outer surface of the waist opening edge portion of the front waist region 11, a second locking portion (a hook portion or a loop portion or the like) 34 positioned at the tip 33 of the belt member 30 can be locked ( 50) is arranged. The base sheet forming the second locking portion 50 has a horizontally long rectangular shape, and is, for example, a polyolefin-based thermoplastic having a dimension in the transverse direction X of about 180 to 250 mm and a dimension in the longitudinal direction Y of about 30 to 60 mm. A non-woven fiber fabric made of synthetic resin fibers or a polyolefin-based thermoplastic synthetic resin film and a loop element are preferably polyolefin-based thermoplastic synthetic resins. When a relatively bulky nonwoven fabric is used as the base material sheet of the second locking portion 50, the surface of the base material sheet may be embossed to prevent fluffing.

なお、本発明において、第１係止部３４の一例として、メカニカルファスナのフック部を用いたが、第１係止部３４は、フック部とループ部との両方を有するものであってもよいし、おむつ本体１４側に配置されたフック部に係止可能なループ部又はベルト部材３０を形成する繊維不織布であってもよく（その意味では、被係止部）、ベルト部材３０の一部がおむつ１０の所定部位と係脱可能に係止されうる部分を意味し、フック部のみを意味する一般的な係止部よりも、粘着剤等を含めたより広い概念を意味するものである。また、第２係止部５０も同様に、第１係止部３４と係脱可能に係合される限りにおいて、フック部、ループ部又は粘着剤等の係合又は止着可能な要素のいずれであってもよい。   In the present invention, the hook portion of the mechanical fastener is used as an example of the first locking portion 34. However, the first locking portion 34 may have both a hook portion and a loop portion. Further, it may be a loop portion that can be locked to a hook portion disposed on the diaper main body 14 side or a fiber nonwoven fabric that forms the belt member 30 (in that sense, a locked portion), or a part of the belt member 30. Means a part that can be detachably engaged with a predetermined part of the diaper 10, and means a wider concept including an adhesive or the like than a general engaging part that means only a hook part. Similarly, as long as the second locking portion 50 is detachably engaged with the first locking portion 34, any of the hook portion, the loop portion, an adhesive or the like that can be engaged or fastened is used. It may be.

ベルト部材３０の第１係止部３４は、ベルト部材３０の先端３３ではなく、自由部３２のうちのいずれかの部分に配置されていてもよいし、複数配置してもよい。自由部３２に第１係止部３４が複数配置されている場合には、先端３３を含めて自由部３２の長さ方向における中央域等もおむつ本体１４の外面に係止することができ、例えば製造工程中において、係止状態をより安定させることができる。また、ベルト部材３０はその一部又は複数箇所に第１係止部３４が配置されているほか、自由部３２全体が、例えば、繊維不織布から形成されて、フック要素からなる係止部が係止可能なターゲット部のみで形成されていてもよい。   The first locking portion 34 of the belt member 30 may be disposed at any portion of the free portion 32 instead of the tip 33 of the belt member 30, or a plurality of the first locking portions 34 may be disposed. In the case where a plurality of first locking portions 34 are arranged in the free portion 32, the central region in the length direction of the free portion 32 including the tip 33 can also be locked to the outer surface of the diaper body 14, For example, the locked state can be further stabilized during the manufacturing process. In addition, the belt member 30 is provided with the first locking portions 34 at a part or a plurality of locations thereof, and the entire free portion 32 is formed of, for example, a fiber nonwoven fabric and has a locking portion made of a hook element. It may be formed only by a target part that can be stopped.

さらに、ベルト部材３０には、第１係止部３４のほかにターゲット部を配置してもよく、例えば、先端３３に第１係止部３４とそれを囲むようにターゲット部とを配置し、かつ、前ウエスト域１１の外面に第２係止部５０とフックシートを有する第１係止部３４とを配置して、それらが互いに係合するようにして自由部３２を前ウエスト域１１の外面に当接させてもよい。また、メカニカルファスナによる係合のほかに、第１係止部３４のフックシートとして表面に感圧性接着剤が塗布された粘着シートを配置し、防水性のプラスチックフィルムから形成された裏面シート２２に止着してもよい。   Further, the belt member 30 may be provided with a target portion in addition to the first locking portion 34. For example, the first locking portion 34 and a target portion are disposed at the tip 33 so as to surround the target portion. And the 2nd latching | locking part 50 and the 1st latching | locking part 34 which has a hook sheet | seat are arrange | positioned on the outer surface of the front waist region 11, and they are mutually engaged, and the free part 32 is made into the front waist region 11. You may make it contact | abut on an outer surface. In addition to the engagement by the mechanical fastener, a pressure-sensitive adhesive sheet coated with a pressure-sensitive adhesive is disposed on the surface as a hook sheet of the first locking portion 34, and the back sheet 22 formed of a waterproof plastic film is disposed on the back sheet 22. You may fasten.

ベルト部材３０の横方向Ｘの寸法（幅寸法）Ｗ２は、約１０〜１２０ｍｍ、好ましくは約４０〜６０ｍｍ、最大伸長時における縦方向Ｙの寸法（長さ寸法）Ｌ２は、約１００〜１２００ｍｍ、好ましくは約４００〜８００ｍｍである。自由部３２全体の縦方向Ｙの寸法は約２００〜６００ｍｍ、好ましくは、３５０〜５００ｍｍ、自由部３２の伸縮部分の縦方向Ｙの寸法は約５０〜１０００ｍｍ、非伸縮部分３８の縦方向の寸法は約２０〜２００ｍｍである。このように、ベルト部材３０は、自由部３２が伸縮可能であることによって、おむつ本体１４の縦方向Ｙの寸法の約３０〜１００％の長さ寸法を有するものである。また、ベルト部材３０は、比較的に長い寸法を有するものであるから、比較的にサイズの大きな着用者に対しても身体にフィットした状態で掛け回すことができる。さらに、ベルト部材３０は、それを安定的に操作するために所要の幅寸法（１０〜２００ｍｍ、本実施形態では、約５０ｍｍ）及び／又は厚さ寸法とを有することが必要であるところ、厚さ寸法が比較的に大きい場合には被連結部４０に挿通させて折り返すときに操作し難くなる。 The dimension (width dimension) W2 in the lateral direction X of the belt member 30 is about 10 to 120 mm, preferably about 40 to 60 mm, and the dimension (length dimension) L2 in the longitudinal direction Y at the maximum extension is about 100 to 1200 mm. Preferably it is about 400-800 mm. The dimension of the entire free part 32 in the longitudinal direction Y is about 200 to 600 mm, preferably 350 to 500 mm, the dimension of the stretchable part of the free part 32 in the longitudinal direction Y is about 50 to 1000 mm, and the dimension of the non-stretchable part 38 in the longitudinal direction. Is about 20-200 mm. Thus, the belt member 30 has a length dimension of about 30 to 100% of the dimension of the diaper main body 14 in the longitudinal direction Y because the free portion 32 can be expanded and contracted. Further, the belt member 30, since those having a relatively long dimension can be reeved by and fitted to the body even for a large wearer comparatively size. Further, the belt member 30 needs to have a required width dimension (10 to 200 mm, in this embodiment, about 50 mm) and / or a thickness dimension in order to stably operate the belt member 30. When the length is relatively large, it becomes difficult to operate when inserting and folding back the connected portion 40.

既述のとおり、ベルト部材３０の最大伸長時における長さ寸法Ｌ２は、おむつ本体１４の長さ寸法Ｌ１とほぼ同じである。このように、両寸法Ｌ１，Ｌ２を同じ寸法にすることによって、おむつ１０の生産ライン上においてベルト部材３０とおむつ本体１４とをともに機械方向へ搬送して製造することができ、連続生産性に優れる。ただし、かかる製造上の利点を除けば、ベルト部材３０の縦方向Ｙの長さ寸法Ｌ２はおむつ本体１４よりも小さくてもよいし、それよりも大きくてもよい。また、ベルト部材３０の自由部３２には、ベルト弾性体３７が配置されておらず伸縮部分が形成されていなくてもよいが、ベルト部材３０がおむつ本体１４の長さ寸法より小さい場合には、伸縮部分を設けて収縮状態（自然状態）よりも約１．５〜２．０倍伸長されることが好ましい。ベルト部材３０は被連結部４０に挿通して折り返されるので、基端部３１と先端３３との間は、その伸長時において、少なくとも、着用状態における後ウエスト域１２に固定された被連結部４０の外端縁の位置から前ウエスト域１１までにおける、ウエスト周り方向の寸法の約２倍の大きさを有することが必要になる。   As described above, the length dimension L2 of the belt member 30 at the maximum extension is substantially the same as the length dimension L1 of the diaper main body 14. Thus, by making both the dimensions L1 and L2 the same dimension, the belt member 30 and the diaper main body 14 can be transported together in the machine direction on the production line of the diaper 10 to produce the continuous productivity. Excellent. However, the length dimension L2 in the longitudinal direction Y of the belt member 30 may be smaller than the diaper main body 14 or larger than that, except for such manufacturing advantages. In addition, the belt elastic body 37 is not disposed in the free portion 32 of the belt member 30 and the expansion / contraction portion may not be formed. However, when the belt member 30 is smaller than the length of the diaper body 14, It is preferable to provide a stretchable portion and extend about 1.5 to 2.0 times the contracted state (natural state). Since the belt member 30 is inserted through the connected portion 40 and turned back, the connected portion 40 fixed between the proximal end portion 31 and the distal end 33 is fixed at least to the rear waist region 12 in the worn state at the time of extension. It is necessary to have a size that is approximately twice as large as the size in the direction around the waist from the position of the outer edge to the front waist region 11.

図６を参照すると、ベルト部材３０の基端部３１は、ホットメルト接着剤を塗布してなる接合域を介しておむつ本体１４に固定されており、縦方向Ｙへ延びる内側縁３１ａと、縦方向Ｙへ延び、かつ、内側縁３１ａよりも縦方向Ｙの寸法が大きい外側縁３１ｂと、クロッチ域１３側において内側縁３１ａと外側縁３１ｂとをつなぐ、基端部３１と自由部３２との境界線である傾斜縁３１ｃとを有する。ベルト部材３０を横方向Ｘ外側に展開したときには、ベルト部材３０の基端部３１と自由部３２とが重なる略三角形の領域を有する。基端部３１がかかる形状を有することから、傾斜縁３１ｃを起点としてベルト部材３０を後方へ向かって展開し易くなり、第２連結部材４０に向かって引っ張り易くなる。   Referring to FIG. 6, the base end portion 31 of the belt member 30 is fixed to the diaper main body 14 through a joining region formed by applying a hot melt adhesive, and includes an inner edge 31 a extending in the longitudinal direction Y, An outer edge 31b extending in the direction Y and having a dimension in the longitudinal direction Y larger than that of the inner edge 31a, and a base end portion 31 and a free portion 32 connecting the inner edge 31a and the outer edge 31b on the crotch region 13 side. And an inclined edge 31c which is a boundary line. When the belt member 30 is deployed outward in the lateral direction X, the belt member 30 has a substantially triangular region in which the base end portion 31 and the free portion 32 of the belt member 30 overlap. Since the base end portion 31 has such a shape, the belt member 30 can be easily developed rearward from the inclined edge 31c, and can be easily pulled toward the second connecting member 40.

また、基端部３１が傾斜縁３１ｃを有さずに、横方向Ｘへ直線状に延びる場合に比して、自由部３２における基端部３１との境界近傍の部分の寸法が長くなり、基端部３１におけるシート部材の所要の剥離強度を維持しつつ、自由部３２の長さ寸法をできるだけ長くして身体に対するフィット性を向上させることができる。基端部３１における自由部３２との境界線である傾斜縁３１ｃにおいて、他の領域に比して単位面積当たりの質量が高くなるようにホットメルト接着剤を塗布したり、ホットメルト接着剤による固定とともに、またはそれに代えて、ソニックシールによる溶着手段を施すことによって、自由部３２を後方へ向かって引っ張ったときに、該部分を起点としてシートが破れないように剥離強度を向上させることができる。   Further, compared to the case where the base end portion 31 does not have the inclined edge 31c and extends linearly in the lateral direction X, the size of the portion of the free portion 32 near the boundary with the base end portion 31 becomes longer, While maintaining the required peel strength of the sheet member at the base end portion 31, the length of the free portion 32 can be made as long as possible to improve fit to the body. At the inclined edge 31c, which is the boundary line with the free part 32 in the base end portion 31, a hot melt adhesive is applied so that the mass per unit area is higher than in other regions, or by the hot melt adhesive By applying welding means with a sonic seal together with or instead of fixing, when the free portion 32 is pulled rearward, the peel strength can be improved so that the sheet does not break starting from the portion. .

図３及び６を参照すると、ベルト部材３０は、自由部３２を伸長させて縦方向Ｙへ延在した状態において、おむつ本体１４の両側縁部よりも横方向の内側に位置しており、基端部３１に沿って折り返したときにおむつ本体１４と平面視において重なる領域の外面３０ｂには、おむつ本体１４の肌対向面に止着される第１止着部５１が配置される。ベルト部材３０を折り返した状態において、ベルト部材３０とおむつ本体１４との間に隙間が生じる場合には、ベルト部材３０による前後ウエスト域１１，１２の連結が緩んでしまい、ベルト部材３０の締結力で前ウエスト域１１を着用者の身体にフィットさせることができない。本実施形態においては、ベルト部材３０に第１止着部５１を配置することによって、折り返された状態におけるベルト部材３０の自由部３２とおむつ本体１４とが止着されるので、ベルト部材３０とおむつ本体１４との間に隙間が生じることを防ぐことができる。第１止着部５１としては、例えば、基材シートに固定された複数のフック要素又は感圧性接着剤を用いることができる。   Referring to FIGS. 3 and 6, the belt member 30 is located on the inner side in the lateral direction with respect to both side edges of the diaper body 14 in a state where the free portion 32 is extended and extended in the longitudinal direction Y. A first fastening portion 51 that is fastened to the skin-facing surface of the diaper body 14 is disposed on the outer surface 30b of the region that overlaps the diaper body 14 in plan view when folded along the end portion 31. When a gap is generated between the belt member 30 and the diaper main body 14 in a state where the belt member 30 is folded back, the connection between the front and rear waist regions 11 and 12 by the belt member 30 is loosened, and the fastening force of the belt member 30 is increased. The front waist region 11 cannot be fitted to the wearer's body. In the present embodiment, by disposing the first fastening part 51 on the belt member 30, the free part 32 of the belt member 30 and the diaper main body 14 in the folded state are fastened. It can prevent that a clearance gap arises between the diaper main bodies 14. As the first fastening portion 51, for example, a plurality of hook elements or a pressure sensitive adhesive fixed to the base sheet can be used.

前ウエスト域１１の外面において、後ウエスト域１２の被連結部４０に挿通されて前方へ引っ張られたベルト部材３０の一部を止着するための第２止着部５２がおむつ本体１４の両側部に位置している。第２止着部５２は、例えば、縦方向Ｙの寸法が約２０〜４０ｍｍ、横方向Ｘの寸法が約１０〜３０ｍｍの基材シートとそれに固定された複数のフック要素から形成される。おむつ本体１４の前ウエスト域１１の外面の両側部に第２止着部５２を設けることによって、着用者の身体に掛け回されたベルト部材３０をその先端３３に位置する第１係止部３４とともに前ウエスト域１１の外面に安定的に係止することができるとともに、第１係止部３４を第２係止部５０に係止する前に、ベルト部材３０が着用者のウエスト周りとレッグ周りとフィットするように長さを調整することができる。また、第１係止部３４を第２係止部５０に係止させ（ベルト部材３０を介して前後ウエスト域１１，１２を仮止めし）た後に、ウエスト開口縁部とレッグ開口縁部とがフィットするように調整し直し、ベルト部材３０の自由部３２を第２止着部５２に固定することもでき、この場合比較的楽に長さを微調整することが可能である。 On the outer surface of the front waist region 11, second fastening portions 52 for fastening a part of the belt member 30 inserted through the connected portion 40 of the rear waist region 12 and pulled forward are provided on both sides of the diaper main body 14. Located in the department. The second fastening portion 52 is formed of, for example, a base sheet having a dimension in the longitudinal direction Y of about 20 to 40 mm and a dimension in the lateral direction X of about 10 to 30 mm and a plurality of hook elements fixed thereto. By providing the second fastening portions 52 on both sides of the outer surface of the front waist region 11 of the diaper main body 14, the first locking portion 34 positioned at the tip 33 of the belt member 30 that is hung around the wearer's body. In addition, the belt member 30 can be stably locked to the outer surface of the front waist region 11, and the belt member 30 can be positioned around the waist of the wearer and the leg before the first locking portion 34 is locked to the second locking portion 50. The length can be adjusted to fit around. In addition, after the first locking portion 34 is locked to the second locking portion 50 (the front and rear waist regions 11 and 12 are temporarily fixed via the belt member 30), the waist opening edge and the leg opening edge The free part 32 of the belt member 30 can be fixed to the second fastening part 52, and in this case, the length can be finely adjusted relatively easily.

再び、図２を参照すると、第１係止部３４が係止される第２係止部５０とベルト部材３０の自由部３２が止着される第２止着部５２とは前ウエスト域１１の前端縁１４ａ寄りに位置しており、ベルト部材３０の基端部３１の傾斜縁３１ｃはそれよりもクロッチ域１３側に延びており、第２止着部５２と傾斜縁３１ｃとは、おむつ１０の平面視において互いに重なっていない。したがって、ベルト部材３０が被連結部４０に連結された状態において、自由部３２の先端３３は、前ウエスト域１１の側部において、基端部３１と自由部３２との境界線（傾斜縁３１ｃ）と縦方向Ｙの位置がすれている位置に係止される。すなわち、図１に示すとおり、ベルト部材３０を第２連結部材４０に連結して折り返して前ウエスト域１１に係止した状態において、自由部３２のうちの後方へ引っ張られた部分（後記の第１部分３２Ａ）と前方へ折り返した部分（後記の第２部分３２Ｂ）とが、おむつ１０の側面視において互いに重なっておらず、自由部３２は略Ｖ字状を呈する。   Referring to FIG. 2 again, the second locking portion 50 to which the first locking portion 34 is locked and the second fastening portion 52 to which the free portion 32 of the belt member 30 is fastened are the front waist region 11. The inclined edge 31c of the base end portion 31 of the belt member 30 extends closer to the crotch region 13 than the front end edge 14a of the belt member 30, and the second fastening portion 52 and the inclined edge 31c are made of diapers. 10 do not overlap each other in plan view. Therefore, in a state where the belt member 30 is coupled to the coupled portion 40, the distal end 33 of the free portion 32 is a boundary line (inclined edge 31 c) between the proximal end portion 31 and the free portion 32 at the side portion of the front waist region 11. ) And the position in the vertical direction Y are locked. That is, as shown in FIG. 1, in a state where the belt member 30 is connected to the second connecting member 40 and folded back and locked to the front waist region 11, a portion of the free portion 32 that is pulled rearward (described later). The first part 32A) and the part folded back (second part 32B described later) do not overlap each other in a side view of the diaper 10, and the free part 32 has a substantially V-shape.

ベルト部材３０の基端部３１は、ベルト部材３０を引っ張りながら連結操作をする際に、その一部が剥離しない程度の剥離強度を有することが必要である。具体的には、基端部３１は、２５ｍｍ幅当たり１０Ｎ以上の剥離強度、好ましくは、１５Ｎ／２５ｍｍの接合強度を有することが好ましい。   The base end portion 31 of the belt member 30 needs to have a peel strength that does not cause a part of the base end portion 31 to peel off when the belt member 30 is connected while being pulled. Specifically, the base end portion 31 preferably has a peel strength of 10 N or more per 25 mm width, preferably a bond strength of 15 N / 25 mm.

＜ベルト部材の剥離強度＞
ベルト部材３０の剥離強度の測定は、株式会社島津製作所製のオートグラフ試験機（ＡＧ−Ｘ１０ｐｌｕｓ）を用いて測定した。基端部３１と自由部３２の境界部分において、おむつ１０から基端部３１側と自由部３２側に位置するベルト部材３０をそれに厚さ方向Ｚにおいて重なるおむつ本体１４を含めて、前記境界部分（傾斜縁３１ｃ）のラインに沿って固定された領域が２５ｍｍ幅となるように、前記ラインの垂直方向に切り出してサンプルとした。ベルト部材３０の自由部３２を一方のチャックで把持し、この自由部３２と厚さ方向Ｚにおいて重なるおむつ本体１４を他方のチャックで把持した状態で、サンプルをオートグラフ試験機にセットし、引っ張り速度３００ｍ／分におけるサンプルの剥離強度（最大強度）を求めた。（なお、該領域について２５ｍｍ幅で切り出すことができない場合には、測定結果に基づいて２５ｍｍ幅に換算して算出する）。 <Peel strength of belt member>
The peel strength of the belt member 30 was measured using an autograph tester (AG-X10plus) manufactured by Shimadzu Corporation . In the boundary portion between the base end portion 31 and the free portion 32, the boundary portion includes the diaper main body 14 that overlaps the belt member 30 positioned on the base end portion 31 side and the free portion 32 side from the diaper 10 in the thickness direction Z. A sample was cut out in the direction perpendicular to the line so that the region fixed along the line of (inclined edge 31c) had a width of 25 mm. While holding the free part 32 of the belt member 30 with one chuck and holding the diaper main body 14 that overlaps the free part 32 in the thickness direction Z with the other chuck, the sample is set in an autograph tester and pulled. The peel strength (maximum strength ) of the sample at a speed of 300 m / min was determined. (Note that if the area cannot be cut out with a width of 25 mm, the area is calculated based on the measurement result by converting to a width of 25 mm).

＜連結部材の係合力＞
本実施形態において、ベルト部材３０の第１係止部３４には、複数のフック要素を有するフックシートが用いられているが、フックシートのほかに、粘着性テープを用いることもできる。第１係止部３４として粘着性テープを用いた場合には、それが止着される第２係止部５０は、ループシートではなく、ポリオレフィン系熱可塑合成樹脂製のプラスチックフィルムを用いることができる。第１及び第２係止部３４，５０としていずれの構成を採用した場合であっても、着用状態においてベルト部材３０を安定的に前ウエスト域１１の外面に掛け止めするためにそれらの係合力は、０．２〜１．５Ｎ／２０ｍｍであることが好ましい。 <Engagement force of connecting member>
In the present embodiment, a hook sheet having a plurality of hook elements is used for the first locking portion 34 of the belt member 30, but an adhesive tape may be used in addition to the hook sheet. When an adhesive tape is used as the first locking part 34, the second locking part 50 to which it is fastened is not a loop sheet, but a plastic film made of polyolefin-based thermoplastic synthetic resin. it can. Even when any configuration is adopted as the first and second locking portions 34 and 50, their engagement forces are used to stably latch the belt member 30 on the outer surface of the front waist region 11 in the worn state. Is preferably 0.2 to 1.5 N / 20 mm.

＜係合力の測定方法＞
第１係止部３４と第２係止部５０との係合力は、株式会社島津製作所製のオートグラフ試験機（ＡＧ−Ｘ１０ｐｌｕｓ）を用いて測定した。まず、おむつ１０からベルト部材３０の第１係止部３４を幅２０ｍｍで切り出すとともに、第２係止部５０を第１係止部３４よりも外形寸法の大きな寸法で切り出してサンプルとした。次いで、第１係止部３４のフック要素と第２係止部５０とループ要素とが対向するようにサンプルを積層させた状態として、その上から重量７００ｇのローラー（直径８５ｍｍ、幅４５ｍｍ）を３００ｍｍ／分の速度で移動させて荷重を掛けた。両サンプルをオートグラフ試験機にセットして、引張速度３００ｍｍ／分、両サンプル間の傾斜角度１３５°の条件で測定し、両サンプルの係合力を測定した（Ｎ／２０ｍｍ）ただし、第１係止部３４を２０ｍｍ幅の大きさに切りだすことができない場合には、測定値を２０ｍｍ幅に換算して算出）。 <Method of measuring engagement force>
The engaging force between the first locking part 34 and the second locking part 50 was measured using an autograph tester (AG-X10plus) manufactured by Shimadzu Corporation . First, the cut out from the diaper 10 of the first locking portion 34 of the belt member 30 with a width 20 mm, to obtain a sample of the second engaging portion 50 is cut out by a great distance in the outer dimensions than the first locking portion 34. Next, the sample is laminated so that the hook element of the first locking part 34, the second locking part 50, and the loop element face each other, and a roller (diameter 85 mm, width 45 mm) having a weight of 700 g is formed thereon. The load was applied by moving at a speed of 300 mm / min. Both samples were set in an autograph tester, measured at a tensile speed of 300 mm / min and at an inclination angle of 135 ° between both samples, and the engaging force of both samples was measured (N / 20 mm). If the stop 34 cannot be cut out to a width of 20 mm, the measured value is calculated by converting it to a width of 20 mm).

図７（１）〜（４）は、仰臥状態における着用者に対して、おむつ１０を着用させるときの操作手順を示したものである。まず、図７（１）に示すとおり、ベルト部材３０を展開した状態で、おむつ１０の前後ウエスト域１１，１２を、それぞれ、着用者の背側と腹側とに対向させるようにして配置する。前後ウエスト域１１，１２の配置位置及びベルト部材３０の展開態様は、おむつ１０のフィット性及び連結手段１５の操作性を考慮して、適正な位置になるように事前に調整することが好ましい。   FIGS. 7 (1) to (4) show the operation procedure when the diaper 10 is worn by the wearer in the supine state. First, as shown in FIG. 7A, with the belt member 30 deployed, the front and rear waist regions 11 and 12 of the diaper 10 are arranged to face the wearer's back and abdomen, respectively. The arrangement positions of the front and rear waist regions 11 and 12 and the development mode of the belt member 30 are preferably adjusted in advance so as to be in an appropriate position in consideration of the fitting property of the diaper 10 and the operability of the connecting means 15.

図７（２）に示すとおり、かかる状態から、おむつ１０の一方側において、操作者（母親等の着用補助者）が一方の手で被連結部４０の配置領域を把持しながら、他方の手でベルト部材３０を把持して後方へ引っ張って、被連結部４０に先端３３を挿通させて、挿通された先端３３を一方の手でさらに後方へ引っ張り上げる。このように、ベルト部材３０を被連結部４０に挿通した状態で前方へ折り返す前に後方へ引っ張り上げることによって、被連結部４０とベルト部材３０の自由部３２とが着用者の身体を締め付けるようにして作用して、おむつ１０が着用者の身体にしっかりとフィットされる。   As shown in FIG. 7 (2), from this state, on one side of the diaper 10, an operator (a wear assistant such as a mother) holds the arrangement area of the connected portion 40 with one hand while the other hand Then, the belt member 30 is gripped and pulled rearward, the tip 33 is inserted into the connected portion 40, and the inserted tip 33 is further pulled backward with one hand. In this way, by pulling up the belt member 30 in the state where the belt member 30 is inserted through the coupled portion 40 and before being folded forward, the coupled portion 40 and the free portion 32 of the belt member 30 can tighten the wearer's body. In this way, the diaper 10 is securely fitted to the wearer's body.

次に、図７（３），（４）に示すとおり、ベルト部材３０を引っ張り上げて自由部３２を身体に締め付けた状態を維持したまま、それをスリット４１の端縁を介して前方へ向かって折り返して、先端３３に位置する第１係止部３４を前ウエスト域１１の外面に位置する第２係止部５０に係止する。その後、ベルト部材３０の自由部３２の先端３３を引っ張り、ウエスト開口縁部とレッグ開口縁部とがフィットするように調整し直し、ベルト部材３０の自由部３２を第２止着部５２に固定する。ベルト部材３０を折り返すときには、自由部３２の後方へ引っ張った部分（第１部分）３２Ａの長さ寸法と第２連結部材４０を介して折り返して前方へ引っ張っときの部分（第２部分）３２Ｂの長さ寸法とがほぼ同じになるように調整しておくことが、着用状態における前後ウエスト域１１，１２の配置バランスを保つうえで好ましい。   Next, as shown in FIGS. 7 (3) and (4), the belt member 30 is pulled up, and the free portion 32 is kept tightened to the body, and it is moved forward through the edge of the slit 41. The first locking portion 34 positioned at the tip 33 is locked to the second locking portion 50 positioned on the outer surface of the front waist region 11. Thereafter, the tip 33 of the free part 32 of the belt member 30 is pulled and adjusted so that the waist opening edge and the leg opening edge fit, and the free part 32 of the belt member 30 is fixed to the second fastening part 52. To do. When the belt member 30 is folded back, the length of the portion (first portion) 32A pulled rearward of the free portion 32 and the length of the portion (second portion) 32B folded back via the second connecting member 40 and pulled forward. It is preferable to adjust the length dimension so as to be substantially the same in order to maintain the arrangement balance of the front and rear waist regions 11 and 12 in the wearing state.

おむつ１０の他方側においても同様の操作を行うことによって、一対のベルト部材３０がそれぞれ、それに対向する第２係止部５０に係止されて、おむつ１０が身体に安定的にフィットされる。   By performing the same operation on the other side of the diaper 10, the pair of belt members 30 are respectively locked by the second locking portions 50 that face the pair of belt members 30, and the diaper 10 is stably fitted to the body.

本実施形態に係る連結手段１５によれば、ベルト部材３０を後方へ引っ張った後に被連結部４０に連結させて前方へ折り返すことによって前後ウエスト域１１，１２が連結されるので、単に、前ウエスト域に配置されたベルト部材を後ウエスト域に止着させてパンツ型の形態をなす従来のおむつに比べて、前後ウエスト域１１，１２のフィット性に優れる。また、ベルト部材３０の自由部３２が伸縮性を有することによって、着用者のウエスト周りのサイズに合わせて自由にベルト部材３０を伸縮させて身体にフィットさせることができるとともに、前ウエスト域１１においてベルト部材３０の基端部３１が吸収体２３とおむつ１０の平面視において重なって位置していなくても、その伸縮性によって各サイドフラップが横方向の外側へ引っ張られるので、吸収体２３の前端部２０Ａが横方向Ｘに引っ張られて、着用者の動きによって生じる身体から離間しようとする力が抑えられてフィット性が向上する。さらに、ベルト部材３０の基端部３１が前ウエスト域１１の外面に位置することから、それが内面に位置する場合に比して、伸長されたベルト部材３０によって前ウエスト域１１が身体に向かって押し当てられてフィット性に優れる。   According to the connecting means 15 according to the present embodiment, the front and rear waist regions 11 and 12 are connected by pulling the belt member 30 backward and then connecting it to the connected portion 40 and turning it forward. Compared with the conventional diaper which makes the belt member arrange | positioned in the area | region fasten to a back waist area and makes a pants-type form, it is excellent in the fit property of the front-and-back waist areas 11 and 12. In addition, since the free portion 32 of the belt member 30 has elasticity, the belt member 30 can be freely expanded and contracted according to the size of the wearer's waist and fitted to the body, and in the front waist region 11 Even if the base end portion 31 of the belt member 30 does not overlap with the absorbent body 23 in the plan view of the diaper 10, each side flap is pulled outward in the lateral direction due to its stretchability, so the front end of the absorbent body 23 The portion 20 </ b> A is pulled in the lateral direction X, so that the force to move away from the body caused by the movement of the wearer is suppressed, and the fit is improved. Further, since the base end portion 31 of the belt member 30 is located on the outer surface of the front waist region 11, the front waist region 11 is directed toward the body by the elongated belt member 30 as compared with the case where it is located on the inner surface. It is pressed and has excellent fit.

一対の被連結部４０間には、横方向Ｘへ延びるウエスト弾性体２８が配置されていることによって、着用者の身体に対するサイズ適合性を向上するとともに、着用者の動きによって生じる被連結部４０の配置領域を変形させようとする力を緩衝し、被連結部４０の配置領域の変形及びその変形によって生じる吸収体２３の位置ずれを抑制しうる。   Between the pair of connected parts 40, the waist elastic body 28 extending in the lateral direction X is disposed, thereby improving the size adaptability to the wearer's body and the connected part 40 generated by the movement of the wearer. It is possible to buffer the force for deforming the arrangement region of the first and second portions, and to suppress the deformation of the arrangement region of the connected portion 40 and the displacement of the absorber 23 caused by the deformation.

後方から折り返されたベルト部材３０は、着用者の腰骨近傍に当接されるので、それが比較的に外周寸法の小さい腰下近傍に当接される場合に比して、おむつ１０のずり下がりを効果的に防止しうる。また、ベルト部材３０の基端部３１、被連結部４０及び前ウエスト域１１の外面に位置する第２係止部５０とは、それぞれ、前後ウエスト域１１，１２のウエスト開口側に位置しているので、ウエスト開口縁部に弾性伸縮性を付与するウエスト弾性体２８とともに、着用者の腰部に当接されるおむつ１０のウエスト開口縁部を着用者の身体にフィットさせて、おむつ１０全体のずり下がりを防止しうる。したがって、連結手段１５は、オープン型（開放型）のおむつ１０に関して前後ウエスト域１１，１２を連結してパンツ型の形態をなす連結機能のほかに、前後ウエスト域１１，１２を身体にフィットさせる機能をも備えるものといえる。また、第２止着部５２が第２係止部５０の両側に位置することから、前ウエスト域１１のサイドフラップがベルト部材３０で抑えられて、そのよれや折れ曲がりが防止されて、前ウエスト域１１の幅方向全域を着用者の身体にフィットさせることができる。 Since the belt member 30 folded back from behind is brought into contact with the vicinity of the wearer's hipbone, the diaper 10 slides down as compared with the case where it is brought into contact with the vicinity of the lower waist having a relatively small outer peripheral dimension. Can be effectively prevented. Further, the base end portion 31 of the belt member 30, the connected portion 40, and the second locking portion 50 located on the outer surface of the front waist region 11 are located on the waist opening side of the front and rear waist regions 11 and 12, respectively. Therefore, the waist opening edge of the diaper 10 abutted against the waist of the wearer is fitted to the wearer's body together with the waist elastic body 28 that gives elastic elasticity to the waist opening edge. Can prevent sliding down. Therefore, the connection means 15 fits the front and rear waist regions 11 and 12 to the body in addition to the connection function of connecting the front and rear waist regions 11 and 12 to form an underpants type with respect to the open type (open type) diaper 10. It can be said that it also has functions. Moreover, since the 2nd fastening part 52 is located in the both sides of the 2nd latching | locking part 50, the side flap of the front waist region 11 is suppressed by the belt member 30, the twist and the bending are prevented, and a front waist The entire width direction region of the region 11 can be fitted to the wearer's body.

既述のとおり、ベルト部材３０の自由部３２は、前記基端部３１とベルト自由部との境界線と、縦方向Ｙの位置がすれている位置に係止されるので、おむつの側面視において略Ｖ字状になっている。具体的には、前ウエスト域１１の第２係止部５０と第２止着部５２は、前ウエスト域１１の縦方向Ｙの外端部寄りに位置しており、基端部３１と自由部３２との境界線（傾斜縁３１ｃ）は、前ウエスト域１１の外端部から縦方向Ｙにおいて離間したクロッチ域１３側に位置している。第１部分３２Ａと第２部分３２Ｂとが互いに重なっている場合には、比較的に狭い範囲において自由部３２が身体にフィットされるので、おむつ１０（又は吸収体）と身体との間に隙間が生じ易くなる。基端部３１と自由部３２との境界線と、第２係止部５０の縦方向Ｙの位置が同じ位置にあっても、第２止着部５２の縦方向Ｙの位置が異なっていれば、おむつ１０の側面視において略Ｖ字状を形成し、ウエスト開口縁部からレッグ開口縁部まで身体にフィットさせることができる。 As described above, the free portion 32 of the belt member 30 is locked at a position where the boundary line between the base end portion 31 and the belt free portion and the position in the longitudinal direction Y are slipped. Is substantially V-shaped. Specifically, the second locking portion 50 and the second fastening portion 52 of the front waist region 11 are located near the outer end portion in the longitudinal direction Y of the front waist region 11 and are free from the base end portion 31. The boundary line (inclined edge 31 c) with the portion 32 is located on the crotch region 13 side that is separated from the outer end portion of the front waist region 11 in the longitudinal direction Y. When the first portion 32A and the second portion 32B overlap each other, the free portion 32 is fitted to the body in a relatively narrow range, so that there is a gap between the diaper 10 (or the absorbent body) and the body. Is likely to occur. Even if the boundary line between the base end part 31 and the free part 32 and the position of the second locking part 50 in the vertical direction Y are at the same position, the position of the second fastening part 52 in the vertical direction Y may be different. For example, a substantially V-shape can be formed in a side view of the diaper 10 to fit the body from the waist opening edge to the leg opening edge.

一方、かかる不利益を防止するために、ベルト部材３０を比較的に幅広のベルト状部材で形成した場合やベルト部材３０に代えて着用者の側方部分を被覆するサイドパネルを配置した場合には、材料コストが高くなる。本実施形態のように、第１部分３２Ａと第２部分３２Ｂとが互いに重ならないように基端部３１と第２係止部５０とを配置することによって、自由部３２が比較的に狭い幅寸法を有する場合であっても、フィット性を高めることができ、材料コストを低く抑えることができる。   On the other hand, in order to prevent such disadvantages, when the belt member 30 is formed of a relatively wide belt-like member or when a side panel that covers the side portion of the wearer is disposed instead of the belt member 30. Increases the material cost. By disposing the base end portion 31 and the second locking portion 50 so that the first portion 32A and the second portion 32B do not overlap each other as in the present embodiment, the free portion 32 has a relatively narrow width. Even if it has a dimension, a fitting property can be improved and material cost can be suppressed low.

なお、図示していないが、吸収体２３の前後端部を着用者の身体により密着させるために、吸収体２３の中央部に比して前後端部の厚さを小さくする等の方法によってその剛性を比較的に低くすることもできる。かかる場合には、第１及び第２連結部材３０，４０を連結したときに吸収体２３の前後端部がより着用者の身体に密着されて、着用者の動作等によって吸収体２３の前後端部が身体から離間することを抑制しうる。   Although not shown, in order to bring the front and rear end portions of the absorber 23 closer to the wearer's body, the thickness of the front and rear end portions is made smaller than the central portion of the absorber 23 by a method such as The rigidity can be made relatively low. In such a case, the front and rear ends of the absorber 23 are more closely attached to the wearer's body when the first and second connecting members 30 and 40 are connected, and the front and rear ends of the absorber 23 are moved by the wearer's action and the like. The part can be prevented from separating from the body.

＜変形例＞
図８は、おむつ１０の変形例の一例における図３と同様の図である。本変形例において、ベルト部材３０は、ホットメルト接着剤等の接着手段を介しておむつ本体１４に固定された、先端３３の一部からなる固定端部７０を有する。被連結部４０は、ベルト部材３０の固定端部７０と平面視において重なるように配置されており、固定端部７０とおむつ本体１４とを貫通する略十字状のスリットである。被連結部４０の配置領域に、固定端部７０が位置することによってシート強度が向上し、被連結部４０を起点とするシートの引き裂きを抑制しうる。ベルト部材３０は、さらに、固定端部７０と自由部３２との境界に位置して横方向Ｘへ延びるスリット等の分離部位（切り取りライン）７１を有する。 <Modification>
FIG. 8 is a view similar to FIG. 3 in an example of a modified example of the diaper 10. In this modification, the belt member 30 has a fixed end portion 70 which is a part of the tip 33 and is fixed to the diaper main body 14 via an adhesive means such as a hot melt adhesive. The coupled portion 40 is a substantially cross-shaped slit that is disposed so as to overlap the fixed end portion 70 of the belt member 30 in plan view and penetrates the fixed end portion 70 and the diaper main body 14. Since the fixed end portion 70 is located in the arrangement region of the connected portion 40, the sheet strength is improved, and tearing of the sheet starting from the connected portion 40 can be suppressed. The belt member 30 further has a separation portion (cut line) 71 such as a slit that is located at the boundary between the fixed end portion 70 and the free portion 32 and extends in the lateral direction X.

かかる構成を有するおむつ１０においては、おむつ１０を着用するときに、ベルト部材３０が縦方向へ延在した状態から分離部位７１に沿ってベルト部材３０の固定端部７０と第１係止部３４の位置する自由部３２とに分離する。その後に、図７に示すように、前後ウエスト域１１，１２をそれぞれ着用者の腹側と背側とに対向するように配置した状態で分離した主体部の先端を被連結部４０に挿通して後方へ引っ張り上げた後に、前方へ折り返して前ウエスト域１１の外面に係止する。   In the diaper 10 having such a configuration, when the diaper 10 is worn, the fixed end portion 70 and the first locking portion 34 of the belt member 30 along the separation portion 71 from the state in which the belt member 30 extends in the vertical direction. And the free portion 32 where the After that, as shown in FIG. 7, the front and rear waist regions 11 and 12 are inserted into the connected portion 40 through the distal ends of the separated main portions in a state of being arranged so as to face the wearer's belly side and back side, respectively. After pulling up backward, it is folded forward and locked to the outer surface of the front waist region 11.

＜第２実施形態＞
図９は、第２実施形態におけるおむつ１０の図３と同様の一部展開平面図である。本実施形態に係るおむつ１０の基本的な構成は、第１実施形態に係るおむつ１０のそれとほぼ同じであるから、相違する点についてのみ以下に説明する。 Second Embodiment
FIG. 9 is a partially developed plan view similar to FIG. 3 of the diaper 10 in the second embodiment. Since the basic configuration of the diaper 10 according to the present embodiment is substantially the same as that of the diaper 10 according to the first embodiment, only differences will be described below.

図９を参照すると、本実施形態においては、ベルト部材８０が、おむつ本体１４の前ウエスト域１１の肌対向面側に固定された基端部８１と、基端部８１から延出する二股状の自由部８２とを有する。自由部８２は、着用状態において上方に位置する第１自由部８２Ａと、下方に位置する第２自由部８２Ｂとを有する。第１及び第２自由部８２Ａ，８２Ｂはそれぞれ、第１実施形態と同様に、弾性伸縮性を有するものであって、その先端８３には第１係止部８４が配置される。一方、後ウエスト域１２の両側部においては、縦方向Ｙに並ぶ２つの略十字形のスリットから形成された被連結部４０Ａ，４０Ｂが配置される。   Referring to FIG. 9, in the present embodiment, the belt member 80 includes a base end portion 81 fixed to the skin facing surface side of the front waist region 11 of the diaper main body 14, and a bifurcated shape extending from the base end portion 81. And a free part 82. The free part 82 has a first free part 82A located above in the worn state and a second free part 82B located below. Each of the first and second free portions 82A and 82B has elastic stretchability as in the first embodiment, and a first locking portion 84 is disposed at the tip 83 thereof. On the other hand, on both side portions of the rear waist region 12, connected portions 40 </ b> A and 40 </ b> B formed by two substantially cross-shaped slits arranged in the vertical direction Y are arranged.

かかる構成態様を有する連結手段１５においては、ベルト部材８０の第１及び第２自由部８２Ａ，８２Ｂを後方へ引っ張って、被連結部４０Ａ，４０Ｂにそれぞれ挿通して引っ張り上げて、そのままの状態で前方へ折り返して前ウエスト域１１の外面に先端を止着する。本実施形態においては、ベルト部材８０の自由部８２が、着用者の腰上に当接可能な第１自由部８２Ａと、着用者の腰下に当接可能な第２自由部８２Ｂとを有し、それらと連結される被連結部４０Ａ，４０Ｂとによって、着用者の腰部の比較的に広い範囲を締め付けることができるので、第１実施形態に係る連結手段１５に比して、おむつ１０のずり下がりを効果的に防止することができ、おむつ１０の身体に対するフィット性をさらに向上させることができる。第１及び第２自由部８２Ａ，８２Ｂが、それぞれ分離した基端部から延出している場合には、掛け回したときにそれらが離間し過ぎておむつ１０のフィット性が低下するおそれがあるが、第１及び第２自由部８２Ａ，８２Ｂが基端部３１から二股状に延出していることから、第１自由部８２Ａと第２自由部８２Ｂとの離間寸法が大きくなり過ぎることはない。   In the connecting means 15 having such a configuration, the first and second free portions 82A and 82B of the belt member 80 are pulled rearward, inserted through the connected portions 40A and 40B, respectively, and pulled up as they are. Folded forward and fastened to the outer surface of the front waist region 11. In this embodiment, the free part 82 of the belt member 80 has a first free part 82A that can contact the waist of the wearer and a second free part 82B that can contact the waist of the wearer. And since the comparatively wide range of a wearer's waist | hip | lumbar part can be tightened by the to-be-connected parts 40A and 40B connected with them, compared with the connection means 15 which concerns on 1st Embodiment, the diaper 10 The sliding down can be effectively prevented, and the fit of the diaper 10 to the body can be further improved. When the first and second free parts 82A and 82B extend from the separated base end parts, they may be separated too much when hung around, and the fit of the diaper 10 may be reduced. Since the first and second free portions 82A and 82B extend from the base end portion 31 in a bifurcated manner, the distance between the first free portion 82A and the second free portion 82B does not become too large.

各実施形態及び各変形例においては、ベルト部材３０の基端部３１は前ウエスト域１１の外面に固定されているが、例えば、メカニカルファスナ手段を用いて、おむつ本体１４と係脱可能に取り付けられていてもよい。かかる場合には、おむつ１０の使用後であっても、ベルト部材３０のみを取り外して、未使用のおむつ本体１４に取り付けて再利用することが可能であって、おむつ１０の単価コストを下げることができる。また、ベルト部材３０の自由部３２の長さ方向の略中央部にボタンを取り付け、被連結部（ボタン孔）４０にボタンを通して係止させて折り返して先端３３の第１係止部３４を前ウエスト域１１の外面に掛け止めすることもできる。また、自由部３２の長さ方向の略中央部にボタンの代わりにフック要素を配置し、ループ要素からなる被連結部４０に係止されてもよい。 In each embodiment and each modified example, the base end portion 31 of the belt member 30 is fixed to the outer surface of the front waist region 11. For example, the base end portion 31 is detachably attached to the diaper main body 14 using mechanical fastener means. It may be done. In such a case, even after the diaper 10 is used, it is possible to remove only the belt member 30 and attach it to the unused diaper main body 14 for reuse, thereby reducing the unit cost of the diaper 10. Can do. Further, a button is attached to a substantially central portion in the length direction of the free portion 32 of the belt member 30, the connected portion (button hole) 40 is locked through the button and folded, and the first locking portion 34 of the tip 33 is moved forward. It can also be hooked on the outer surface of the waist region 11. Further, a hook element may be disposed instead of a button at a substantially central portion in the length direction of the free portion 32 and may be locked to the connected portion 40 including a loop element.

おむつ本体１４及び連結手段１５を構成する部材には、特に明記されていない限りにおいて、本明細書に記載されている材料のほかに、この種の分野において通常用いられている公知の材料を制限なく用いることができる。本明細書においては、連結手段１５を備える着用物品の一例として、開放型の使い捨ておむつを用いたが、大人用の失禁パッドや女性用の生理用ナプキン等の着用物品についても適用することができる。また、本明細書において使用されている「第１」および「第２」等の用語は、同様の要素、位置等を単に区別するために用いてある。   Unless otherwise specified, the members constituting the diaper main body 14 and the connecting means 15 are not limited to the materials described in this specification, but are limited to known materials commonly used in this type of field. Can be used. In the present specification, an open-type disposable diaper is used as an example of a wearing article provided with the connecting means 15, but it can also be applied to wearing articles such as an incontinence pad for adults and a sanitary napkin for women. . Further, terms such as “first” and “second” used in the present specification are merely used to distinguish similar elements, positions, and the like.

以上に記載した第１発明に関する開示は、少なくとも下記事項に整理することができる。
縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、
前記ベルト部材の前記自由部が伸縮可能であって、前記ベルト部材の長さ寸法が、前記おむつ本体の前記縦方向の寸法の３０〜１００％の大きさを有する。
以上に記載した第２発明に関する開示は、少なくとも下記事項に整理することができる。
縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、
前記ベルト部材の前記基端部は、前記縦方向へ延びる内側縁と、前記縦方向へ延び、かつ、前記内側縁よりも前記縦方向の寸法が大きい外側縁と、前記クロッチ域側において前記内側縁と前記外側縁とをつなぐ、前記基端部と前記自由部との境界線である傾斜縁とを有する。
以上に記載した第３発明に関する開示は、少なくとも下記事項に整理することができる。
縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、
前記ベルト部材は、前記縦方向へ延在した状態において、前記おむつ本体と対向する内面とその反対側に位置する外面とを有する帯状のシート部材であって、前記おむつ本体の両側縁よりも前記横方向の内側に位置しており、前記第１ウエスト域において、前記おむつ本体の前記両側縁と前記ベルト部材の内側縁との間には、前記自由部が係止可能な係止部が配置される。
以上に記載した第４発明に関する開示は、少なくとも下記事項に整理することができる。
縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、
前記ベルト部材は、前記縦方向へ延在した状態において、前記おむつ本体と対向する内面とその反対側に位置する外面とを有する帯状のシート部材であって、前記おむつ本体の両側縁よりも前記横方向の内側に位置しており、前記自由部の前記基端部側の前記外面には、前記おむつ本体の前記第１ウエスト域に係止可能な係止部が配置される。 The disclosure relating to the first invention described above can be organized into at least the following matters.
It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
Wherein in a state where the belt member is connected to the the connected portion, Ri lockable der the locking means of the belt member to the outer surface of the first waist region,
The free part of the belt member can be expanded and contracted, and the length dimension of the belt member is 30 to 100% of the longitudinal dimension of the diaper body .
The disclosure relating to the second invention described above can be organized into at least the following matters.
It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
In a state where the belt member is connected to the connected portion, the locking means of the belt member can be locked to the outer surface of the first waist region,
The base end portion of the belt member includes an inner edge extending in the longitudinal direction, an outer edge extending in the longitudinal direction and having a dimension in the longitudinal direction larger than the inner edge, and the inner edge on the crotch region side. And an inclined edge that is a boundary line between the base end portion and the free portion, connecting the edge and the outer edge.
The disclosure relating to the third invention described above can be organized into at least the following matters.
It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
In a state where the belt member is connected to the connected portion, the locking means of the belt member can be locked to the outer surface of the first waist region,
The belt member is a belt-like sheet member having an inner surface facing the diaper main body and an outer surface located on the opposite side to the diaper main body in a state extending in the longitudinal direction, and the belt member is more than the both side edges of the diaper main body. A locking portion that is positioned on the inner side in the lateral direction and that can lock the free portion is disposed between the both side edges of the diaper body and the inner edge of the belt member in the first waist region. Is done.
The disclosure relating to the fourth invention described above can be organized into at least the following matters.
It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
In a state where the belt member is connected to the connected portion, the locking means of the belt member can be locked to the outer surface of the first waist region,
The belt member is a belt-like sheet member having an inner surface facing the diaper main body and an outer surface located on the opposite side to the diaper main body in a state extending in the longitudinal direction, and the belt member is more than the both side edges of the diaper main body. A locking portion that is positioned on the inner side in the lateral direction and that can be locked to the first waist region of the diaper body is disposed on the outer surface of the free portion on the base end side.

上記段落００６５に開示した本発明は、少なくとも下記の実施の形態を含むことができる。
（１）前記ベルト部材が前記被連結部に連結された状態において、前記自由部の前記係止手段が、前記第１ウエスト域の外面において前記基端部と重ならない位置に係止される。
（２）前記被連結部は、前記おむつ本体を貫通する、前記ベルト部材の先端が挿通可能なスリットである。
（３）前記スリットは、十字状を有する。
（４）前記被連結部の配置領域には、プラスチックフィルム又は繊維不織布から形成された補強シートが配置される。
（５）前記ベルト部材は、前記縦方向へ延在した状態において、前記第２ウエスト域の外面に固定され、かつ、前記被連結部が位置する固定端部を有し、前記補強シートは前記固定端部によって形成される。
（６）前記ベルト部材は、前記固定端部と前記係止手段との間に位置する分離部位をさらに有する。
（７）前記ベルト部材は、前記基端部から延出する複数の前記自由部を有する。
（８）前記第２ウエスト域の中央部には、前記横方向へ伸縮可能なウエスト弾性体が配置されており、前記被連結部は前記ウエスト弾性体の前記横方向の外側に位置する。 The present invention disclosed in the above paragraph 0065 can include at least the following embodiments.
(1) In a state where the belt member is connected to the connected portion, the locking means of the free portion is locked at a position that does not overlap the base end portion on the outer surface of the first waist region.
(2) The to-be-connected portion is a slit that penetrates the diaper main body and into which the tip of the belt member can be inserted.
(3) The slit has a cross shape.
( 4 ) A reinforcing sheet formed of a plastic film or a fiber nonwoven fabric is arranged in the arrangement region of the connected parts.
(5) the belt member, in a state extending to the longitudinal direction, is secured to the outer surface of the second waist region, and has a fixed end portion, wherein the connecting portion is positioned, said reinforcing sheet is the Formed by a fixed end.
( 6 ) The belt member further includes a separation portion located between the fixed end portion and the locking means.
( 7 ) The belt member has a plurality of the free portions extending from the base end portion.
( 8 ) A waist elastic body that can be expanded and contracted in the lateral direction is disposed at a central portion of the second waist region, and the connected portion is located outside the waist elastic body in the lateral direction.

１０ 使い捨ておむつ（開放型の使い捨て着用物品）
１１ 前ウエスト域（第１ウエスト域又は第２ウエスト域）
１２ 後ウエスト域（第１ウエスト域又は第２ウエスト域）
１３ クロッチ域
１４ おむつ本体
１５ 連結手段
３０ ベルト部材
３１ 基端部
３１ａ 基端部の内側縁
３１ｂ 基端部の外側縁
３１ｃ 基端部の傾斜縁（基端部と自由部との境界線）
３２ 自由部
３３ 先端
３４ 第１係止部
４０ 被連結部
４１ 補強シート
５０ 第２係止部
５１ 第１止着部（係止部）
５２ 第２止着部（係止部）
７０ ベルト部材の固定端部（補強シート）
７１ 分離部位
８０ ベルト部材
８１ 基端部
８２Ａ，８２Ｂ 自由部
８３ 先端
８４ 係止部
Ｘ 横方向
Ｙ 縦方向 10 Disposable diapers (open-type disposable wearing articles)
11 Front waist area (1st waist area or 2nd waist area)
12 Rear waist area (1st waist area or 2nd waist area)
13 Crotch area 14 Diaper body 15 Connection means 30 Belt member 31 Base end 31a Base end inner edge 31b Base end outer edge 31c Base end inclined edge (boundary line between base end and free part)
32 free part 33 tip 34 first locking part 40 connected part 41 reinforcing sheet 50 second locking part 51 first fastening part (locking part)
52 Second fastening part (locking part)
70 Fixed end of belt member (reinforcing sheet)
71 Separation part 80 Belt member 81 Base end part 82A, 82B Free part 83 Tip 84 Locking part X Horizontal direction Y Vertical direction

Claims (12)

縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、
前記ベルト部材の前記自由部が伸縮可能であって、前記ベルト部材の長さ寸法が、前記おむつ本体の前記縦方向の寸法の３０〜１００％の大きさを有することを特徴とする着用物品。 It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
Wherein in a state where the belt member is connected to the the connected portion, Ri lockable der the locking means of the belt member to the outer surface of the first waist region,
The wearing article , wherein the free part of the belt member is extendable and the length of the belt member is 30 to 100% of the longitudinal dimension of the diaper body . 縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、In a state where the belt member is connected to the connected portion, the locking means of the belt member can be locked to the outer surface of the first waist region,
前記ベルト部材の前記基端部は、前記縦方向へ延びる内側縁と、前記縦方向へ延び、かつ、前記内側縁よりも前記縦方向の寸法が大きい外側縁と、前記クロッチ域側において前記内側縁と前記外側縁とをつなぐ、前記基端部と前記自由部との境界線である傾斜縁とを有することを特徴する着用物品。The base end portion of the belt member includes an inner edge extending in the longitudinal direction, an outer edge extending in the longitudinal direction and having a dimension in the longitudinal direction larger than the inner edge, and the inner edge on the crotch region side. A wearing article comprising an inclined edge that is a boundary line between the base end part and the free part and connects an edge and the outer edge. 縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、In a state where the belt member is connected to the connected portion, the locking means of the belt member can be locked to the outer surface of the first waist region,
前記ベルト部材は、前記縦方向へ延在した状態において、前記おむつ本体と対向する内面とその反対側に位置する外面とを有する帯状のシート部材であって、前記おむつ本体の両側縁よりも前記横方向の内側に位置しており、前記第１ウエスト域において、前記おむつ本体の前記両側縁と前記ベルト部材の内側縁との間には、前記自由部が係止可能な係止部が配置されることを特徴とする着用物品。The belt member is a belt-like sheet member having an inner surface facing the diaper main body and an outer surface located on the opposite side to the diaper main body in a state extending in the longitudinal direction, and the belt member is more than the both side edges of the diaper main body. A locking portion that is positioned on the inner side in the lateral direction and that can lock the free portion is disposed between the both side edges of the diaper body and the inner edge of the belt member in the first waist region. Wearing article characterized by being made. 縦方向及びそれに直交する横方向を有し、肌対向面及びその反対側に位置する非肌対向面と、前後ウエスト域の一方である第１ウエスト域と、前記前後ウエスト域の他方である第２ウエスト域と、前記第１及び第２ウエスト域間に位置するクロッチ域と、吸収体を有するおむつ本体と、前記第１ウエスト域と前記第２ウエスト域とを連結するための連結手段とを備える開放型の使い捨て着用物品において、It has a longitudinal direction and a lateral direction perpendicular thereto, and has a skin facing surface and a non-skin facing surface located on the opposite side thereof, a first waist region that is one of the front and rear waist regions, and a second that is the other of the front and rear waist regions. 2 waist regions, a crotch region located between the first and second waist regions, a diaper body having an absorbent body, and a connecting means for connecting the first waist region and the second waist region. In an open-type disposable wearing article comprising:
前記連結手段は、前記第１ウエスト域の前記非肌対向面側に位置する基端部と、前記基端部から延出し、少なくとも一部に係止手段が位置する自由部とを有する一対のベルト部材と、前記第２ウエスト域の両側縁部において、前記吸収体よりも前記縦方向又は前記横方向の外側に位置する、前記ベルト部材が連結される被連結部とから構成されており、The coupling means includes a pair of base end portions located on the non-skin facing surface side of the first waist region, and a free portion extending from the base end portion and having a locking means located at least partially. A belt member, and at both side edges of the second waist region, the belt member is formed on the outer side in the vertical direction or the horizontal direction with respect to the absorber, and the connected portion to which the belt member is connected;
前記ベルト部材を前記被連結部に連結した状態で、前記ベルト部材の前記係止手段を前記第１ウエスト域の外面に係止可能であり、In a state where the belt member is connected to the connected portion, the locking means of the belt member can be locked to the outer surface of the first waist region,
前記ベルト部材は、前記縦方向へ延在した状態において、前記おむつ本体と対向する内面とその反対側に位置する外面とを有する帯状のシート部材であって、前記おむつ本体の両側縁よりも前記横方向の内側に位置しており、前記自由部の前記基端部側の前記外面には、前記おむつ本体の前記第１ウエスト域に係止可能な係止部が配置されることを特徴とする着用物品。The belt member is a belt-like sheet member having an inner surface facing the diaper main body and an outer surface located on the opposite side to the diaper main body in a state extending in the longitudinal direction, and the belt member is more than the both side edges of the diaper main body. It is located on the inner side in the lateral direction, and a locking portion that can be locked to the first waist region of the diaper body is disposed on the outer surface of the free portion on the base end side. Wearing article to do. 前記ベルト部材が前記被連結部に連結された状態において、前記自由部の前記係止手段が、前記第１ウエスト域の外面において前記基端部と前記自由部との境界線と重ならない位置に係止される請求項１〜４のいずれかに記載の着用物品。 In a state where the belt member is connected to the connected portion, the locking means of the free portion is at a position that does not overlap the boundary line between the base end portion and the free portion on the outer surface of the first waist region. The wearing article according to any one of claims 1 to 4, which is locked. 前記被連結部は、前記おむつ本体を貫通する、前記ベルト部材の先端が挿通可能なスリットである請求項１〜５のいずれかに記載の着用物品。 The wearing article according to any one of claims 1 to 5 , wherein the coupled portion is a slit that penetrates the diaper main body and allows the tip of the belt member to be inserted therethrough. 前記スリットは、十字状を有する請求項６に記載の着用物品。 The wearing article according to claim 6 , wherein the slit has a cross shape. 前記被連結部の配置領域には、プラスチックフィルム又は繊維不織布から形成された補強シートが配置される請求項１〜７のいずれかに記載の着用物品。 The wearing article according to any one of claims 1 to 7 , wherein a reinforcing sheet formed from a plastic film or a fiber nonwoven fabric is arranged in an arrangement region of the connected parts. 前記ベルト部材は、前記縦方向へ延在した状態において、前記第２ウエスト域の外面に固定され、かつ、前記被連結部が位置する固定端部を有し、前記補強シートは前記固定端部によって形成される請求項８記載の着用物品。 The belt member, in a state extending to the longitudinal direction, the second is fixed to the outer surface of the waist region, and has a fixed end portion, wherein the connecting portion is positioned, said reinforcing sheet is the fixed end The wearing article according to claim 8 formed by. 前記ベルト部材は、前記固定端部と前記係止手段との間に位置する分離部位をさらに有する請求項９に記載の着用物品。 The wearing article according to claim 9, wherein the belt member further includes a separation portion located between the fixed end portion and the locking means. 前記ベルト部材は、前記基端部から延出する複数の前記自由部を有する請求項１〜１０のいずれかに記載の着用物品。   The said belt member is a wearing article in any one of Claims 1-10 which have the said some free part extended from the said base end part. 前記第２ウエスト域の中央部には、前記横方向へ伸縮可能なウエスト弾性体が配置されており、前記被連結部は前記ウエスト弾性体の前記横方向の外側に位置する請求項１〜１１のいずれかに記載の着用物品。 Wherein the second central portion of the waist region, wherein are transverse to the stretchable waist elastics are arranged, the claims 1-11 the connected portion is located outside of the lateral direction of the waist elastics The wearing article in any one of.
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