JPH0654878A - Disposable diaper of underpants type and its manufacture - Google Patents

Disposable diaper of underpants type and its manufacture

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Publication number
JPH0654878A
JPH0654878A JP23150892A JP23150892A JPH0654878A JP H0654878 A JPH0654878 A JP H0654878A JP 23150892 A JP23150892 A JP 23150892A JP 23150892 A JP23150892 A JP 23150892A JP H0654878 A JPH0654878 A JP H0654878A
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material
sheet
absorbent
leak
layer
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JP23150892A
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JP3581373B2 (en )
Inventor
Tadanori Samejima
Masabumi Sato
正文 佐藤
忠典 鮫島
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Honshu Paper Co Ltd
本州製紙株式会社
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Abstract

PURPOSE:To provide the disposable diaper of an underpants type, which can be put on easily at the time of use, can be fitted closely to the body, and also, scarcely goes stinking, has a soft feel, and can be manufactured continuously and efficiently, in the diaper of the underpants type having flexibility and gas permeability in a covering member for covering the belly part and the back part of a wearer. CONSTITUTION:A covering part 2 is formed from an outer face material 11 and an inner face material 12, and sheet-like flexible/elastic materials 13, 13a, 14 and 14a stuck between them. These outer face material and inner face material are made of a sheet material having gas permeability, and also, being soft and continuout. Also, between both these sheet materials, the sheet-like flexible/elastic material having gas permeability is stuck in an expanded state. An absorbing/leak preventing part 3 having erected gathers for preventing a leak is manufactured in a process being separate from that of the covering part 2, and by sticking it to the inside surface of the covering part 2, the product is obtained.

Description

【発明の詳細な説明】 DETAILED DESCRIPTION OF THE INVENTION

【0001】 [0001]

【産業上の利用分野】本発明は予めパンツ型に形成されるおむつに関するものであって、更に詳しく述べると、 The present invention relates to a relates diaper formed in advance pant, More particularly,
使用時に身体にぴったりフイットし、また長時間装着したときに蒸れが少なく、肌さわりが良好で、はき心地のよいパンツ型の使い捨ておむつ並びにその製造方法に関する。 Fitted Fuitto to the body at the time of use, also less stuffiness is when wearing a long period of time, the texture is good, comfortable on good pants-type disposable diapers, as well as a method of manufacturing the same wear.

【0002】 [0002]

【従来の技術】パンツ型使い捨ておむつについては、従来からも種々の提案がなされており、例えば特開昭57-7 For the Background of the Invention pants-type disposable diapers, and various proposals have been made from conventional, for example, JP-57-7
7304号公報、特開昭62-231005号公報、特開平4-32718号公報が開示されている。 7304 JP, Sho 62-231005 and JP-Hei 4-32718 discloses.

【0003】 [0003]

【発明が解決しようとする課題】ところで、このようなパンツ型おむつを使用にした場合に、容易な着脱性と使用者の体型に合った良好な着用感を得るため、換言すれば、装着時のはかせ易さと装着後に蒸れずかつ体型にフイットする適度な締め付け力を得るために、腰と腹の周りに通気性並びに伸縮性を持たせる必要があった。 [SUMMARY OF THE INVENTION Incidentally, when the use of such a pant diaper, in order to obtain a good wearing feel that matches the type of easy detachability between the user, in other words, when mounted in order to obtain a proper tightening force Fuitto of Dr. ease and stuffiness not and integrated after mounting, it is necessary to provide breathability and elasticity around the waist and abdomen.

【0004】そのため、例えば特開平4-32718号公報に示される従来品においては、カバーリング部を構成する外面材と内面材との間に約4mm間隔で、何本もの弾性糸を接着固定して、カバーリング部に伸縮性を持たせた構成をとっているが、前記弾性糸を内面材と外面材との間に接着固定する過程でその糸が切断したり、新しい弾性糸との交換を余儀なくされることがある。 [0004] Therefore, for example, in the conventional product shown in JP-A-4-32718, from about 4mm spacing between the outer member and the inner surface material constituting the covering portion, and adhere the elastic yarn nothing present Te, although taking a structure which gave stretch covering portion, the thread in the process of bonding and fixing the or disconnect between the elastic yarn inside surface material and outer members, exchange with a new elastic yarn it may be forced to. これらの事態は予測できない上に、それに伴う糸つなぎ作業が不可欠なものであり、その際には製造ラインの運転を停止せざるをえない。 On these things can not be predicted, is intended yarn joining operations is essential concomitant, in that case not help stopping the operation of the production line. またこれら弾性糸をセットする作業並びに外面材と内面材とに接着する作業はいずれも煩雑で手間を喰う。 The Ate work and work both complicated labor to adhere to the outer members and the inner surface material to set the elastic yarn. したがって、連続的かつ能率的におむつを製造することが困難であった。 Therefore, it is difficult to produce continuously and efficiently diaper.

【0005】上記の問題点を解決するために本発明は、 [0005] The present invention in order to solve the above problems,
着用者の腹部と背部を被覆するカバーリング部材に伸縮性と通気性とを有するパンツ型のおむつであって、使用時にはかせ易く、身体にぴったりフイットし、しかも長時間装着したときに蒸れが少なく、肌さわりも良好で、 A pants-type diaper having the elasticity and breathability covering member that covers the abdomen and the back of the wearer, likely skein in use, and Fuitto flat against the body, yet less stuffiness is that when it is mounted a long time , the texture is also good,
連続的かつ能率的に製造できるパンツ型の使い捨ておむつを提供することを目的とする。 And to provide a disposable diaper continuous and pants-type that can be efficiently manufactured.

【0006】 [0006]

【課題を解決するための手段】本発明者らは、上記の目的を達成するために鋭意研究を重ねた結果、従来のパンツ型おむつにあっては、カバーリング部を構成する外面材と内面材との間に複数本の弾性糸を細かい間隔で接着固定して伸縮性をもたせていたが、これに代わる手段として外面材と内面材との間に、通気性のあるシート状伸縮弾性材料、好ましくは伸縮性不織布(ストレッチャブル不織布)を伸張状態に介置固定すると、前記の問題点が解決できることを見い出して本発明を完成するに至ったものである。 The present inventors have SUMMARY OF THE INVENTION As a result of extensive studies to achieve the above object, in the conventional pants-type diaper, the outer surface material and the inner surface constituting the covering portion sheet stretchable elastic material, with ventilation between but with differentiated stretch bonded and fixed at a fine interval elastic yarn a plurality of outer surface material and the inner surface material as an alternative thereto between the wood , preferably when Kai置 secured in tension stretchable nonwoven fabric (stretchable nonwoven), which above problems have led to the completion of the present invention finds it can be resolved.

【0007】すなわち本発明のおむつは、カバーリング部と吸収防漏部とから成り、前記カバーリング部は、通気性を具備すると共に着用者の足を挿入する一対の開口部と腹部及び背部が当接するウエスト部とを有し、前記吸収防漏部は、液透過性の表面層と液不透過性の防漏層との間に前記表面層および防漏層より小面積の液吸収性の吸収層とを有し、また前記吸収層の両側部に起立したギャザ寄せ部分を作る伸縮部材を有し、この吸収防漏部が前記カバーリング部の内面に固定されているパンツ型使い捨ておむつであって、前記カバーリング部は外面材と内面材と前記両者の間に介置された伸縮弾性材料から構成され、かつ前記伸縮弾性材料は、着用者の腹部と背部を幅広く被覆できるシート状に形成されていると共に、このシート状伸 Namely diaper of the present invention comprises a covering portion and the absorbent leak-proof part, the covering portion, a pair of opening and abdomen and back to insert the wearer's foot as well as provided with a ventilation and a contact with the waist portion, wherein said absorbent leak-proof part is, liquid-permeable surface layer and the liquid having a small area than the surface layer and the leak-barrier layer between the impermeable leakproof layer liquid absorbent and an absorbent layer, also has a telescopic member making gather shifting portion erected on both sides of the absorbent layer, in pants-type disposable diaper which the absorbing leakage preventing portion is fixed to the inner surface of the covering portion there are, the covering part is composed of a stretchable elastic material is Kai置 between the two and the outer surface material and the inner surface material, and said stretchable elastic material, the sheet which can widely cover the abdomen and the back of the wearer together are formed, the sheet JoShin 弾性材料は前記外面材と内面材とに対して伸張状態で接着固定されていることを特徴とするパンツ型の使い捨ておむつである。 Elastic material is a disposable diaper of the pants type, characterized by being bonded in a stretched state relative to said outer members and the inner surface material.

【0008】特に好ましい実施例においては、前記外面材が疎水性シートで形成され、内面材が疎水性材料の親水処理シートで形成されている。 [0008] In a particularly preferred embodiment, the outer surface material is formed by a hydrophobic sheet, the inner surface material is formed by hydrophilic treatment sheet hydrophobic material. また前記外面材と内面材との間に介置された伸縮弾性材料は通気性を持ったストレッチャブル不織布で形成されている。 The stretchable elastic material is Kai置 between the outer members and the inner surface material is formed of a stretchable nonwoven fabric having air permeability. そして前記伸縮弾性材料の貼着面積は、腹部(前部)側より背部(後部)側に広くなるように形成されている。 The bonded area of ​​the stretchable elastic material, the abdomen is formed to be wider in the back (rear) side of (anterior) side. また前記伸縮弾性材料の伸長率は、ウエスト部がそれ以外と同等又はより高い伸長率となっている。 The elongation of the stretchable elastic material is made waist portion and the other equal to or higher elongation.

【0009】前記のカバーリング部は、展開状態において、疎水性の外面材の幅が内面材より広くかつ幅方向両側に突出するように形成され、その外面材の突出部分をカバーリング部の内面股下領域に配置されている吸収防漏部の一部を被覆するように折返し接着してウエスト部方向への漏れ抵抗部分を形成している。 [0009] The cover ring part, in the unfolded state, the width of the hydrophobic outer surface material is formed so as to protrude wide and the width direction on both sides from the inner surface material, the inner surface of the cover ring part protruding portion of the outer members a part of the absorbent leak-proof part which is placed in the crotch region by folding the adhesive so as to cover forms a leakage resistance portion of the waist portion direction.

【0010】またカバーリング部は、展開状態において、疎水性の外面材の幅が内面材の幅方向両側から突出するように形成され、かつその突出部の両端を折り返して形成された部材内に伸縮部材を伸張状態で封入し接着することによりウエスト部に起立した漏れ抵抗部分を形成してもよい。 [0010] covering part, in the unfolded state, the width of the hydrophobic outer surface material is formed so as to protrude from both sides in the width direction of the inner surface material, and both ends in a member formed by folding a of the protruding portion by elastic member was sealed in a stretched state adhered may form a leakage resistance portion standing waist.

【0011】また前記ウエスト部には、外面材と内面材との間に介在されている伸縮弾性材料の幅範囲内で折返し接着してフレキシブルなチューブ状のウエスト伸縮部を形成してもよい。 Further to the waist portion may form a flexible tubular waist stretchable part by folding the adhesive within the width range of stretchable elastic material being interposed between the outer members and the inner surface material.

【0012】またカバーリング部と吸収防漏部とは、カバーリング部の内面股下領域ならびにウエスト部のみで接着一体化され、それ以外は遊離状態とされているのがよい。 [0012] The the absorption leak-proof part covering portion is bonded and integrated only at the inner surface crotch region as well as the waist portion of the covering portion, otherwise it is what is a free state.

【0013】また本発明のおむつは、ウエスト部にスパンデックスまたは糸ゴムからなる伸縮部材が設けられていてもよい。 [0013] The diaper of the present invention may be stretchable member is provided consisting of spandex or rubber threads waist.

【0014】本発明が提案するパンツ型の使い捨ておむつの製法は、通気性を有しかつ柔軟で連続した外面材用と内面材用の2枚のシート材をそれぞれの巻取りからほぐし取り出す工程と;前記両シート材の全長の大部分を互いに重ね合わせて、前記両シート材の間に通気性を持ったシート状伸縮弾性材料を伸長状態で接着する工程と;液透過性の表面層と液不透過性の防漏層との間に、 [0014] The present invention is a disposable diaper pant the proposed method includes the steps of retrieving loosened two sheet materials for continuous outer members for the inner surface material and has, flexible breathable from each winding ; superposing the majority of the total length of both sheets to each other, the process and to bond the sheet-like stretchable elastic material having breathability in a stretched state between the two sheet materials; liquid-permeable surface layer and the liquid between the impermeable leakproof layer,
前記表面層および防漏層より小面積の液吸収性の吸収層とを有し、また前記吸収層の両側部に起立したギャザ寄せ部分を作る伸縮部材を有した吸収防漏部を別ラインで作る工程と;前記吸収防漏部の長手方向軸線が、前記シート材の長手方向軸線に対し直角となるように定間隔にシート材の上に合体させて特定位置で接着する工程と; And a liquid-absorbent absorbent layer of smaller area than the surface layer and the leak-barrier layer, the absorbent leakage preventing portion having an elastic member to make upstanding gather shifting portion on both sides of the absorbent layer in another line a step of making, the steps of the longitudinal axis of the absorbent leak-proof part is, to adhere at specific locations coalescing on the sheet material in regular intervals so that the perpendicular to the longitudinal axis of the sheet material;
前記シート材に着用者の足を挿入する穴を切り抜き形成する工程と;前記シート材をその幅方向中央部でシート材の長手方向軸線に沿って折り重ねた後、前記足を挿入する穴の中央で前記シート材の長手方向軸線と直交する線に沿ってシール溶着してパンツを形成する工程と;前記シール線に沿って切断してパンツを切り放す工程とから成ることを特徴としている。 Process and that holes the cutouts formed to insert the wearer's foot in the sheet material; after folding along the longitudinal axis of the sheet material in the sheet material the width direction central portion of the hole for inserting the foot forming a pant to seal welded along a line perpendicular to the longitudinal axis of the sheet material at the center; and cut along the seal line is characterized by comprising a step of detach the pants.

【0015】また本発明の製法は、前記両シート材の間に通気性を持ったシート状伸縮弾性材料を接着する際に、シート状伸縮弾性材料を腹部(前部)側のものと、 Further the process of the present invention, when bonding the sheet-like stretchable elastic material having breathability between the two sheets, and a sheet-like stretchable elastic material intended abdomen (front) side,
背部(後部)側のものとに分けて接着する工程を包含している。 Encompasses the step of bonding divided into those of the back (rear) side.

【0016】さらにまた本発明の製法は、前記両シート材の間に接着する伸縮弾性材料の伸長率は、ウエスト部がそれ以外と同等又はより高い伸長率となるように伸長して接着する工程を包含しているパンツ型の使い捨ておむつの製法である。 Furthermore the process of the present invention also, elongation of the stretchable elastic material bond between the two sheets, the step of bonding with extended such waist is otherwise equal to or higher elongation it is a process for the preparation of disposable diapers of pants type that encompasses.

【0017】 [0017]

【作用】本発明たるパンツ型の使い捨ておむつは上記のごとく構成されているから、薄く、着脱が容易である。 SUMMARY OF] serving present invention pants-type disposable diaper is because they are configured as described above, thin, easily removable.
また腰全体にフイットする適度な伸縮力を持ち、柔らかく良好な着用感を得ることができ、長時間装着したときも蒸れが少ない。 Also have moderate stretching force to Fuitto throughout waist, soft can obtain good wearing feel, even stuffiness less when long worn.

【0018】また本発明の製造法は、複数本の弾性糸を細かい間隔で接着固定する必要がなく、パンツ型の使い捨ておむつを連続的かつ能率的に製造できる。 [0018] production method of the present invention, it is not necessary to adhere the elastic yarn a plurality of a fine interval, it can be continuously and efficiently producing a pants-type disposable diaper.

【0019】 [0019]

【実施例】次に本発明の好ましい実施例を図面に基づいて説明する。 Example will be described with reference to preferred embodiments of the present invention with reference to the drawings. 図1に本発明によるパンツ型の使い捨ておむつを製造する工程を示す。 Showing a process of manufacturing the disposable diaper of pants type according to the present invention. FIG. また図2に本発明おむつの組立完成図を示す。 Also shows the completed assembly view of the present invention the diaper in FIG. 図3は吸収防漏部の製造工程を示す。 Figure 3 shows the manufacturing process of the absorbent leak-proof part. 図1〜2において、符号1はパンツ型の使い捨ておむつの組立完成製品を示し、符号2で示すカバーリング部と符号3で示す吸収防漏部とから成っている。 In Figure 1-2, reference numeral 1 indicates a completed assembly products pants-type disposable diaper, consists the absorption leakage preventing portion shown by the covering portion and the reference numeral 3 indicated by reference numeral 2. 前記カバーリング部2は、パンツ型に形成され、着用者の腰周囲を被覆する部分であり、通気性を具備すると共に着用者の足を挿入する一対の開口部4、4と腹部及び背部が当接する環状のウエスト部5とを有している。 The covering portion 2 is formed in a pants-type is a portion that covers the hips around the wearer, a pair of openings 4, 4 and abdomen and back to insert the wearer's foot as well as provided with a ventilation and a waist portion 5 abutting annular. 前記吸収防漏部3は着用者の体外排泄物を吸収保持するもので、 The absorbent leak-proof part 3 intended to hold absorbed bodily waste of the wearer,
カバーリング部2の内面に接着固定されている。 It is bonded and fixed to the inner surface of the covering portion 2.

【0020】以下、おむつ各部の詳細を実施例を参照して説明する。 [0020] Hereinafter, details of the diaper respective units with reference to examples. [カバーリング部]カバーリング部2は、外面材11 [Covering Portion covering portion 2, the outer surface material 11
と、内面材12と、その間に接着するシート状伸縮弾性材料13,13a、14,14bから成る。 If, the inner surface material 12, a sheet-like stretchable elastic material 13,13a to adhere therebetween consists 14,14B. 前記2枚のシート材11と12はいずれも、それぞれの巻取り(図省略)からほぐし取り出した通気性を有しかつ柔軟で連続したシート材から作られている。 The two sheet materials 11 and 12 both are made from each of the winding has a disentangling extraction breathability (Figure omitted) and flexible continuous sheet material. これらは図1に示すように、展開状態において、外面材であるシート材11 These, as shown in FIG. 1, in the unfolded state, the sheet material 11 is outer members
の幅が内面材であるシート材12の幅より広くかつ幅方向両側に均等寸法で突出するように形成されている。 Width is formed to protrude at equal dimensions wide and the width direction on both sides than the width of the sheet material 12 is the inner surface material. 前記両シート材11、12の全長の大部分を互いに重ね合わせて、前記両シート材の間に通気性を持ったシート状伸縮弾性材料を伸長状態で接着する。 Said a mutually superimposed majority of the length of both sheets 11 and 12 to adhere the sheet stretchable elastic material having breathability between the two sheet material in a stretched state. ここで使用する外面材としては、例えばポリプロピレン(以下PPと略す)ポイントエンボスサーマルボンド不織布、PPメルトブローン不織布、透湿性ポリエチレン(以下PEと略す)フイルム等の疎水性シートを用いることができ、とりわけPPメルトブローン不織布が好適である。 Examples of the outer members to be used, such as polypropylene (hereinafter referred to as PP) point embossing thermal bond nonwoven fabric, PP meltblown nonwoven, (hereinafter abbreviated as PE) moisture permeability of polyethylene can be used a hydrophobic sheet such as a film, especially PP melt blown non-woven fabric is preferred. またここで使用する内面材としては、PPポイントエンボスサーマルボンド不織布、PPメルトブローン不織布、ホットエアースルーサーマルボンド不織布などの疎水性シートまたはこれらの親水処理シートを用いることができる。 As the inner surface material used herein can be used PP point embossing thermal bond nonwoven fabric, PP meltblown nonwoven, hydrophobic sheet or of hydrophilic processing sheet such as a hot air-through thermal bond nonwoven fabric. さらに、外面材と内面材の間に接着する伸縮弾性材料としては、水添スチレンイソプレンブロック共重合体を原料としたメルトブローン不織布、ウレタン不織布等のような通気性を持った伸縮素材すなわち伸縮性不織布(ストレッチャブル不織布)が好適である。 Moreover, as the stretchable elastic material which adheres between the outer members and the inner surface material, elastics i.e. stretchable nonwoven fabric having a hydrogenated styrene-isoprene block copolymer melt blown nonwoven fabric as a raw material, a breathable, such as urethane nonwoven (stretchable nonwoven fabric) is preferred. また後述するように、スパンデックスまたは糸ゴムのような糸状伸縮部材を併用することも可能である。 Further, as described later, it is also possible to use a thread-like elastic member, such as spandex or rubber thread.

【0021】この伸縮弾性材料を前記の両シート材の間に接着する際には、腹部(前部)側のものと、背部(後部)側のものとに分けて配置し、股下領域に伸縮弾性材料のない部分を形成する。 [0021] When bonding the stretchable elastic material between two sheets of said, those of the abdomen (front) side is divided into those of the back (posterior) side was placed, stretching the crotch region forming a portion without the resilient material. またこの伸縮弾性材料の貼着面積は、腹部(前部)側より背部(後部)側に広くなるように接着することを可とする。 The bonded area of ​​the stretchable elastic material, and allowed to adhere to be wider in the abdomen (front) side of the back (rear) side. さらに装着性、外観などの点から、前記伸縮弾性材料の伸長率は、ウエスト部がそれ以外よりも高い伸長率(例えば胴周囲3倍に対し3.8倍のように設定)となるように伸長して接着するのが好ましい。 Further wearability, in view of appearance, elongation of the stretchable elastic material, as the waist portion becomes higher elongation than others (for example set as 3.8 times the cylinder periphery 3 times) preferably adhered elongating. なお前記両シート材と伸縮弾性材料の接着手段としては、ホットメルト接着剤、超音波溶着、ヒートシール等の公知の手段を適宜採用して接着する。 Incidentally as the adhesive means stretchable elastic material and the two sheet materials, hot melt adhesive, bonding employs ultrasonic welding, a known means such as heat sealing appropriately.

【0022】[吸収防漏部]図3に示すように、吸収防漏部3は、親水性不織布などよりなる液透過性の表面層21とPEフイルム、透湿フイルム等の防漏フイルム等より成る液不透過性の防漏層22との間に、前記表面層および防漏層より小面積の液吸収性の吸収層23とを設ける。 As shown in the absorber leak-proof part] FIG 3, the absorbent leak-proof part 3, the hydrophilic nonwoven fabric, etc. from the consisting liquid permeable surface layer 21 and the PE film, from the leak-proof film such as moisture-permeable film made between the liquid-impermeable leak-proof layer 22, the surface layer and the leak-barrier layer from providing a liquid absorbent absorbing layer 23 having a small area. 前記の表面層および防漏層はいずれも図示のように連続したシート材から作られている。 Surface layer and the leak-barrier layer of the is made from a continuous sheet material as shown either. 吸収層23は、 Absorption layer 23,
通例テイッシュ、乾式パルプ不織布、綿状パルプマット等の吸収性シートの積層体が用いられるが、これらの層間に高吸収性の粒状物(例えば高吸収性ポリマー粒子単独或いはこれに活性炭、カルボキシルメチルセルロース、ゼオライト等を混合した粒状物)を用いても良い。 Typically Teisshu, dry pulp nonwoven, although laminate of absorbent sheet such as cotton-like pulp mat is used, highly absorbent granules between the layers (e.g., high-absorbent polymer particles alone, or this activated carbon, carboxymethyl cellulose, granules were mixed with zeolite) may be used.
この吸収層を、図示のように連続したシート材21と2 The absorbent layer, a sheet material 21 continuous as shown and 2
2との間に定間隔に固定すると同時に前記吸収層の両側端部には、疎水性不織布24を接着固定し、これに伸縮部材25を伸長状態に接着固定して起立したギャザ寄せ部分(立体ギャザ)を作ることにより防漏壁26、26 The both side ends of the absorbent layer and at the same time fixed in distance between the 2, a hydrophobic nonwoven fabric 24 was bonded, gathers shifting portion (steric standing upright thereto bonded to the elastic member 25 in the extended state leak-proof walls 26, 26 by creating a gather)
を形成することを可とする。 And allowed to form a. そしてこのように連続的に製造された吸収防漏部が連続的に移動する間に、図示を省略した切断装置を用いてこれを切断する事により、個々の吸収防漏部を完成する。 And while such absorption leakage preventing portion to produced continuously moves continuously, by cutting them with a cutting device (not shown), to complete the individual absorbent leak-proof part.

【0023】なおこの吸収防漏部は、前記のカバーリング部2を製造する工程とは別の工程で図3に示すように製造して、これを下記のように組み合わせることにより本製品を得る。 [0023] Note that this absorption leak-proof part is prepared as shown in FIG. 3 in a separate step from the step of producing a covering part 2 of the, obtaining the product by combining this as follows .

【0024】[カバーリング部と吸収防漏部の相互の関係]図1に示すように、前記吸収防漏部の製造上の流れ方向に対して、90度方向転換して前記シート材11、 As shown in the covering portion and the absorbent leak-proof part mutual relations] FIG 1, the flow direction of the production of the absorbent leak-proof part, 90 ° direction change to the sheet material 11,
12の長手方向軸線に対し個々の吸収防漏部3が直角となるように定間隔にシート材の上に合体させ、この吸収防漏部が前記カバーリング部の内面股下領域に固定されるように接着する。 Coalesced on the sheet material in regular intervals so that individual absorbent leak-proof part 3 at right angles to the longitudinal axis 12, so that the absorbing leakage preventing portion is fixed to the inner surface crotch region of the cover ring part to adhere to. この場合に、カバーリング部2と吸収防漏部3とは、カバーリング部の内面股下領域ならびにウエスト部のみで部分的に接着する(図1の斜線部のみで接着する)。 In this case, the covering portion 2 and the absorbent leak-proof part 3, inner surface crotch region as well as the waist portion of the covering portion only partially bonded with (adheres only by the shaded portion in FIG. 1). このように吸収防漏部を、カバーリング部に全面で接着するのではなく、ウエスト方向の両端と股下領域のみを接着し、それ以外の部分は遊離させておけば、カバーリング部の伸縮性を吸収防漏部により妨げられることが少なく、フイット性が向上し、おむつの良好な装着が可能となると同時に、製造時及び使用時のカバーリング部に対する吸収防漏部のズレを防止できるものである。 Thus the absorption leak-proof part, covering portion instead of adhesive on the entire surface, bonded only across a crotch region of the waist direction, if the other part is free, stretchable covering portion less likely to be hindered by absorbing the leakage preventing portion, improve Fuitto property, at the same time allows a good attachment of the diaper, in which the deviation of the absorption leak-proof part for manufacturing and during covering portion during use can be prevented is there.

【0025】なお前記のようにカバーリング部は、展開状態において、疎水性の外面材の幅が内面材より広くかつ幅方向両側に均等寸法で突出するように形成されているので、その外面材の突出部分を、カバーリング部の内面股下領域に配置されている吸収防漏部の一部を被覆するように折返し接着すれば、ウエスト部方向への漏れ抵抗部分31が形成できる。 It should be noted the cover ring portion as is in the unfolded state, the width of the hydrophobic outer surface material is formed so as to protrude at equal dimensions widely and both widthwise side from the inner surface material, the outer members projecting portion of the, if folded adhesive so as to cover a portion of the absorbent leak-proof part which is disposed on the inner surface crotch region of the cover ring part, the leakage resistance portion 31 of the waist portion direction can be formed.

【0026】[パンツ構造の形成]前記のようにシート材11、12の長手方向軸線に対し個々の吸収防漏部3 [0026] [Formation of pants Structure individual absorbent leak-proof part 3 to the longitudinal axis of the sheet material 11, 12 as described above
が直角となるように定間隔に固定接着したならば、次にこの吸収防漏部を避けて、前記シート材に着用者の足を挿入するための開口部(穴)4をダイカッター(図示省略)などで切り抜き形成する。 If the fixed adhered to the constant intervals so that the right angle, then to avoid the absorption leak-proof part, an opening (hole) 4 die cutter (not for inserting the foot of the wearer to the sheet material omitted) to the cut-out made of, for example,. 前記開口部の形状は、円形または楕円形よりも、図示のようにカバーリング部の展開状態において、角丸の変形5角形(ホームベース型)に形成するのがよい。 The shape of the opening, rather than circular or elliptical, in the unfolded state of the cover ring part, as shown, preferably formed on the deformed pentagon with rounded corners (home base type). ついで前記シート材をその幅方向中央部でシート材の長手方向軸線に沿って折り重ねた後、腹部及び背部が当接する環状のウエスト部5を形成するために、前記足を挿入する穴4の中央で前記シート材の長手方向軸線と直交する線15に沿ってシール溶着する。 Then, after folding along the longitudinal axis of the sheet material in the width direction central portion of the sheet material, to the abdomen and back to form a waist portion 5 abutting annular hole 4 for inserting the foot sealing welding along a line 15 perpendicular to the longitudinal axis of the sheet material at the center. この溶着手段としては、超音波溶着、ヒートシール等の公知の手段のいずれかまたは両者を併用する。 As the welding means, a combination of either or both of the ultrasonic welding, known means such as heat sealing.
最後に、前記シール線15に沿って切断してパンツを一つ一つ切り放すと個々のパンツが完成して、パンツ型の使い捨ておむつの製造工程が完了する。 Finally, to complete the individual pants when detach one by one the pants is cut along the seal line 15, the manufacturing process of the pants-type disposable diaper is completed.

【0027】[本発明の他の実施例]なお、上記実施例では外面材11と、内面材12との間に接着する伸縮弾性材料としては、水添スチレンイソプレンブロック共重合体を原料としたメルトブローン不織布、ウレタン不織布等のような通気性を持った伸縮素材すなわち伸縮性不織布(ストレッチャブル不織布)を使用したが、異なる実施例として、ウエスト部にスパンデックス(登録商標)または糸ゴムのような伸縮部材32を併用することも可能である(図4参照)。 [0027] [Another embodiment of the present invention] In addition, the outer members 11 in the above embodiment, the stretchable elastic material that adheres to between the inner surface material 12 was a hydrogenated styrene-isoprene block copolymer as a raw material meltblown nonwoven fabric, was used with elastics i.e. stretchable nonwoven fabric having air permeability as urethane nonwoven (stretchable nonwoven), as different embodiments, such as spandex (R) or rubber thread waist elastic it is also possible to use a member 32 (see FIG. 4).

【0028】また、図5に示すように、このウエスト部においては、外面材と内面材との間に介置されている伸縮性不織布が介在する幅範囲内で折返し接着すれば、柔軟でフレキシブルなチューブ状のウエスト伸縮部35を形成することができ、さらに良好な着用感を得ることができる。 Further, as shown in FIG. 5, in the waist portion, when folded adhesive within the width range of intervening stretchable nonwoven fabric that is Kai置 between the outer member and the inner surface material, flexible and flexible such tubular can form a waist elastic portion 35, it is possible to obtain better wear feeling.

【0029】さらにまた、疎水性の外面材11の内面材12の幅方向両側から突出した両端を折り返して形成された部材内に、伸縮部材33を伸張状態で封入し接着すれば、図6に示すようにウエスト部に起立した漏れ抵抗部分(ウエスト立体ギャザ)34を形成することができる。 [0029] Furthermore, in the member formed by folding back both ends protruding from both sides in the width direction of the inner surface material 12 of a hydrophobic outer surface material 11, the elastic member 33 be sealed bonded in a stretched state, in FIG. 6 it is possible to form the leakage resistance portion (waist stereoscopic gather) 34 standing upright waist as shown. したがってこれにより、ウエスト方向への漏れ防止効果がさらに確実となるものである。 Accordingly therefore one in which the leakage prevention effect to West direction is more reliably.

【0030】 [0030]

【発明の効果】本発明は上述のように構成されているから、おむつを使用した場合に、薄く容易な着脱が可能になり、また腰全体にフイットする適度な伸縮力を持ち、 Since the present invention is constructed as described above, when using the diaper, allows thin, easily removable, also have a moderate stretching force to Fuitto throughout waist,
柔らかく良好な着用感を得ることができ、長時間装着したときも蒸れが少ない。 Soft and can get a good feeling of wear, even stuffy little time for a long period of time attached.

【0031】また本発明のおむつの製造法によれば、カバーリング部を構成する外面材と内面材との間に通気性のあるシート状伸縮弾性材料、好ましくは伸縮性不織布(ストレッチャブル不織布)を伸張状態に介置固定するものであるから、複数本の弾性糸を細かい間隔で接着固定する必要がなく、パンツ型の使い捨ておむつを連続的かつ能率的に製造できるものである。 [0031] According to a diaper manufacturing process of the present invention, a sheet-like stretchable elastic material Breathable between the outer member and the inner surface material constituting the covering portion, preferably stretchable nonwoven fabric (stretchable nonwoven fabric) since it is intended to Kai置 fixed in an extended state, it is not necessary to fixedly bonded with fine intervals elastic yarn a plurality of, in which the pants-type disposable diaper can be continuously and efficiently manufactured.

【図面の簡単な説明】 BRIEF DESCRIPTION OF THE DRAWINGS

【図1】本発明によるおむつの製造工程を説明する図。 Diagram for explaining the manufacturing process of the diaper according to the invention; FIG.

【図2】本発明おむつの組立完成図。 FIG. 2 is assembled complete view of the present invention diapers.

【図3】吸収防漏部の製造工程を説明する図。 FIG. 3 is a diagram illustrating a process of producing the absorbent leak-proof part.

【図4】ウエスト部にスパンデックスまたは糸ゴムのような糸状伸縮部材を併用した状態の平面図。 Figure 4 is a plan view of a state in which the thread-like elastic member in combination, such as spandex or rubber thread waist.

【図5】ウエスト部に、柔軟でフレキシブルなチューブ状のウエスト伸縮部を形成する工程を説明する図。 5 is a diagram waist, a process of forming a waist elastic portion of flexible and flexible tubular.

【図6】ウエスト部に、起立した漏れ抵抗部分(ウエスト立体ギャザ)を形成する工程を説明する図。 In [6] waist, steps of forming the upstanding leakage resistance portion (waist stereoscopic gather) FIG.

【符号の説明】 DESCRIPTION OF SYMBOLS

1 パンツ型使い捨ておむつ 2 カバーリング部 3 吸収防漏部 4 開口部 5 ウエスト部 11 外面材 12 内面材 13 シート状伸縮弾性材料 14 シート状伸縮弾性材料 15 シール線 21 液透過性表面層 22 液不透過性防漏層 23 吸収層 24 疎水性不織布 25 伸縮部材 26 防漏壁 31 漏れ抵抗部 32 伸縮部材 33 伸縮部材 34 漏れ抵抗部(ウエスト立体ギャザ) 35 チューブ状ウエスト伸縮部 1 pants-type disposable diaper 2 covering part 3 absorb the leak-proof part 4 opening 5 waist 11 outer members 12 inner surface material 13 sheet stretchable elastic material 14 sheet stretchable elastic material 15 sealing line 21 liquid permeable surface layer 22 was not permeable leakproof layer 23 absorbent layer 24 hydrophobic non-woven fabric 25 and elastic members 26 leakage preventing walls 31 leakage resistance portion 32 and elastic members 33 and elastic members 34 leakage resistance portion (waist stereoscopic gather) 35 tubular waist stretchable portion

Claims (3)

    【特許請求の範囲】 [The claims]
  1. 【請求項1】 カバーリング部と吸収防漏部とから成り、前記カバーリング部は、通気性を具備すると共に着用者の足を挿入する一対の開口部と腹部及び背部が当接するウエスト部とを有し、前記吸収防漏部は、液透過性の表面層と液不透過性の防漏層との間に、前記表面層および防漏層より小面積の液吸収性の吸収層とを有し、また前記吸収層の両側部に起立したギャザ寄せ部分を作る伸縮部材を有し、この吸収防漏部が前記カバーリング部の内面股下領域に固定されているパンツ型使い捨ておむつであって、 前記カバーリング部は、外面材と内面材とその間に介置された伸縮弾性材料から構成され、かつ前記伸縮弾性材料は、着用者の腹部と背部を幅広く被覆できるシート状に形成されていると共に、このシート状伸縮弾性材料は前記外 1. A consists covering portion and the absorbent leak-proof part, the covering part includes a pair of opening and waist abdomen and back abuts to insert the wearer's foot as well as provided with a ventilation has the absorption leak-proof part is, between the liquid-permeable surface layer and the liquid impermeable leakproof layer, and an absorbent layer of a liquid absorbent of a small area than the surface layer and the leak-barrier layer It has, also has a telescopic member making gather shifting portion erected on both sides of the absorbent layer, a pants-type disposable diaper which the absorbing leakage preventing portion is fixed to the inner surface crotch region of the cover ring part the covering portion is formed of a stretchable elastic material is Kai置 therebetween and outer members and the inner surface material, and said stretchable elastic material is formed into a sheet that can be widely cover the abdomen and the back of the wearer together, the sheet-like stretchable elastic material the outer 材と内面材とに対して伸張状態で接着固定されていることを特徴とするパンツ型の使い捨ておむつ。 Pants-type disposable diaper, characterized in that it is bonded in a stretched state with respect to the timber and the inner surface material.
  2. 【請求項2】 前記伸縮弾性材料は、伸縮性不織布である請求項1記載のパンツ型の使い捨ておむつ。 Wherein said stretchable elastic material, elastic nonwoven fabric a pants-type disposable diaper according to claim 1, wherein.
  3. 【請求項3】 通気性を有しかつ柔軟で連続した外面材用と内面材用の2枚のシート材をそれぞれの巻取りからほぐし取り出す工程と;前記両シート材の全長の大部分を互いに重ね合わせて、前記両シート材の間に通気性を持ったシート状伸縮弾性材料を伸長状態で接着する工程と;液透過性の表面層と液不透過性の防漏層との間に、 3. A process retrieving disentangling breathable and flexible and two sheet materials for continuous outer members for the inner surface material from the respective winding; the majority of the total length of both sheets to each other superimposed, process and bonding the sheet-like stretchable elastic material having breathability in a stretched state between the two sheet materials; between the liquid-permeable surface layer and the liquid impermeable leakproof layer,
    前記表面層および防漏層より小面積の液吸収性の吸収層とを有し、また前記吸収層の両側部に起立したギャザ寄せ部分を作る伸縮部材を有した吸収防漏部を別ラインで作る工程と;前記吸収防漏部の長手方向軸線が、前記シート材の長手方向軸線に対し直角となるように定間隔にシート材の上に合体させて特定位置で接着する工程と; And a liquid-absorbent absorbent layer of smaller area than the surface layer and the leak-barrier layer, the absorbent leakage preventing portion having an elastic member to make upstanding gather shifting portion on both sides of the absorbent layer in another line a step of making, the steps of the longitudinal axis of the absorbent leak-proof part is, to adhere at specific locations coalescing on the sheet material in regular intervals so that the perpendicular to the longitudinal axis of the sheet material;
    前記シート材に着用者の足を挿入する穴を切り抜き形成する工程と;前記シート材をその幅方向中央部でシート材の長手方向軸線に沿って折り重ねた後、前記足を挿入する穴の中央で前記シート材の長手方向軸線と直交する線に沿ってシール溶着してパンツを形成する工程と;前記シール線に沿って切断してパンツを切り放す工程とから成ることを特徴とするパンツ型の使い捨ておむつの製法。 Process and that holes the cutouts formed to insert the wearer's foot in the sheet material; after folding along the longitudinal axis of the sheet material in the sheet material the width direction central portion of the hole for inserting the foot pants cut along the seal line, characterized in that it consists of a process detach pants; and forming a pant to seal welded along a line perpendicular to the longitudinal axis of the sheet material at the center preparation of type disposable diapers.
JP23150892A 1992-08-07 1992-08-07 Disposable diapers and their preparation of the pants-type Expired - Lifetime JP3581373B2 (en)

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JPH0654878A true true JPH0654878A (en) 1994-03-01
JP3581373B2 JP3581373B2 (en) 2004-10-27

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711832A (en) * 1995-05-31 1998-01-27 Kimberly-Clark Worldwide, Inc. Process for making a training pant having a separate waist elastic system
US6277223B1 (en) * 1996-06-21 2001-08-21 Robert M. Herrin Method of forming disposable undergarment
WO2004052258A1 (en) * 2002-12-10 2004-06-24 Uni-Charm Co., Ltd. Disposable diaper producing method
JP2007105453A (en) * 2005-09-16 2007-04-26 Kao Corp Production method of underwear type absorbent article
JP2007260148A (en) * 2006-03-28 2007-10-11 Kao Corp Underpants type absorbent article and manufacturing method of the same
JP2008012005A (en) * 2006-07-05 2008-01-24 Kao Corp Conveyance method of elastic sheet
JP2008148834A (en) * 2006-12-15 2008-07-03 Kao Corp Pants type article and its manufacturing method
JP2008228834A (en) * 2007-03-16 2008-10-02 Kao Corp Underpants type disposable diaper
JP2008253679A (en) * 2007-04-09 2008-10-23 Uni Charm Corp Expandable composite sheet and disposable wearable article using it
JP2008264525A (en) * 2007-03-28 2008-11-06 Kao Corp Method of producing wearing article
JP2009202025A (en) * 2005-09-16 2009-09-10 Kao Corp Production method of flexible composite sheet
WO2010024063A1 (en) * 2008-09-01 2010-03-04 ユニ・チャーム株式会社 Disposable diaper

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5711832A (en) * 1995-05-31 1998-01-27 Kimberly-Clark Worldwide, Inc. Process for making a training pant having a separate waist elastic system
US6277223B1 (en) * 1996-06-21 2001-08-21 Robert M. Herrin Method of forming disposable undergarment
US6315022B1 (en) * 1996-06-21 2001-11-13 Robert M. Herrin Apparatus for forming disposable undergarment
WO2004052258A1 (en) * 2002-12-10 2004-06-24 Uni-Charm Co., Ltd. Disposable diaper producing method
US7160408B2 (en) 2002-12-10 2007-01-09 Uni-Charm Corporation Process for making a disposable diaper
JP2009202025A (en) * 2005-09-16 2009-09-10 Kao Corp Production method of flexible composite sheet
JP2007105453A (en) * 2005-09-16 2007-04-26 Kao Corp Production method of underwear type absorbent article
JP2007260148A (en) * 2006-03-28 2007-10-11 Kao Corp Underpants type absorbent article and manufacturing method of the same
JP2008012005A (en) * 2006-07-05 2008-01-24 Kao Corp Conveyance method of elastic sheet
JP2008148834A (en) * 2006-12-15 2008-07-03 Kao Corp Pants type article and its manufacturing method
JP2008228834A (en) * 2007-03-16 2008-10-02 Kao Corp Underpants type disposable diaper
JP2008264525A (en) * 2007-03-28 2008-11-06 Kao Corp Method of producing wearing article
JP2008253679A (en) * 2007-04-09 2008-10-23 Uni Charm Corp Expandable composite sheet and disposable wearable article using it
WO2008126746A1 (en) * 2007-04-09 2008-10-23 Uni-Charm Corporation Stretchable composite sheet and disposable wearing article using the same
US8273069B2 (en) 2007-04-09 2012-09-25 Uni-Charm Corporation Stretchable composite sheet and disposable wearing article using the same
WO2010024063A1 (en) * 2008-09-01 2010-03-04 ユニ・チャーム株式会社 Disposable diaper
JP2010057567A (en) * 2008-09-01 2010-03-18 Uni Charm Corp Disposable diaper

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