JP4656971B2 - Disposable diapers - Google Patents

Disposable diapers Download PDF

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JP4656971B2
JP4656971B2 JP2005064929A JP2005064929A JP4656971B2 JP 4656971 B2 JP4656971 B2 JP 4656971B2 JP 2005064929 A JP2005064929 A JP 2005064929A JP 2005064929 A JP2005064929 A JP 2005064929A JP 4656971 B2 JP4656971 B2 JP 4656971B2
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elastic
main body
fastening tape
diaper
fastening
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JP2006246999A (en
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俊明 一萬田
時人 惣野
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Kao Corp
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Kao Corp
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Description

本発明は、使い捨ておむつに関する。   The present invention relates to a disposable diaper.

一般に、ファスニングテープを有する展開型の使い捨ておむつは良く知られている。この様な使い捨ておむつにおいては、従来、背側部のウエスト部に、使い捨ておむつの幅方向の所定の長さに亘って弾性部材を配設することが行われている。この様な従来の使い捨ておむつにおいては、背側部のウエスト部が上記の弾性部材によって腰回り方向に伸縮されて着用者に良好にフィットし、背側部からの漏れが回避される。   In general, a deployable disposable diaper having a fastening tape is well known. In such a disposable diaper, conventionally, an elastic member is disposed on the waist portion of the back side portion over a predetermined length in the width direction of the disposable diaper. In such a conventional disposable diaper, the waist part of a back side part is expanded-contracted in the waist direction by said elastic member, and it fits a wearer favorably, and the leak from a back side part is avoided.

しかし、この様な従来の使い捨ておむつにおいても、まだウエスト部からの漏れが十分に回避できずに漏れが発生する場合があった。
特許文献１には、ファスニングテープを、本体の横方向軸に対して所定の角度をもって、該本体に斜めに取り付けた使い捨ておむつが提案されている。 However, even in such a conventional disposable diaper, there has been a case in which leakage from the waist portion has not been sufficiently avoided and leakage has occurred.
Patent Document 1 proposes a disposable diaper in which a fastening tape is obliquely attached to a main body at a predetermined angle with respect to the horizontal axis of the main body.

実開昭５９−７３３０５号公報Japanese Utility Model Publication No. 59-73305

しかし、特許文献１記載の使い捨ておむつにおいては、着用時に背側部がずり落ち易く、背側部の良好なフィット性が安定に維持されにくいという問題がある。   However, in the disposable diaper described in Patent Document 1, there is a problem that the back side portion easily slips down when worn, and the good fit of the back side portion is difficult to be stably maintained.

従って、本発明の目的は、腹側部へのファスニングテープの止着により、着用者の背側に対して良好なフィット性が得られると共に、着用中、その良好なフィット性が安定に維持される使い捨ておむつを提供することにある。   Therefore, the object of the present invention is to secure a good fit to the wearer's back by fastening the fastening tape to the abdomen, and to maintain the good fit stably during wearing. It is to provide disposable diapers.

本発明は、腹側部、背側部、及び該腹側部と該背側部との間に位置する股下部を有する本体と、該本体の前記背側部における両側縁部に設けられたファスニングテープとを有する使い捨ておむつであって、前記ファスニングテープは、その突出方向の基端部から先端部に向かうに連れて前記股下部から遠ざかるように、該本体の幅方向に延びる直線に対して傾斜しており、且つ前記腹側部の外面に着脱自在に止着可能な止着部を有しており、前記本体の両側部それぞれに、弾性伸縮部材を、それぞれの伸縮方向を前記本体の幅方向に延びる直線に対して傾斜させ、かつ前記ファスニングテープと一直線上に並ぶように、配設してある使い捨ておむつを提供することにより前記目的を達成したものである。   The present invention is provided in a body having a ventral part, a dorsal part, and a crotch part positioned between the ventral part and the dorsal part, and both side edges of the dorsal part of the main body. A disposable diaper having a fastening tape, wherein the fastening tape is against a straight line extending in the width direction of the main body so as to move away from the crotch portion toward the distal end portion from the proximal end portion in the protruding direction. It has an incline and a fastening part that can be detachably fastened to the outer surface of the abdominal side part. The object is achieved by providing a disposable diaper which is inclined with respect to a straight line extending in the width direction and arranged so as to be aligned with the fastening tape.

本発明の使い捨ておむつは、腹側部へのファスニングテープの止着により、着用者の背側に対して良好なフィット性が得られると共に、着用中、その良好なフィット性が安定に維持されるものである。   The disposable diaper of the present invention provides a good fit with respect to the wearer's back by fastening the fastening tape to the abdomen, and the good fit is stably maintained during wearing. Is.

以下、本発明を、その好ましい一実施形態に基づいて詳細に説明する。
本発明の一実施形態としての使い捨ておむつ１（以下、おむつ１という）は、図１に示すように、着用時に着用者の腹側に位置する腹側部Ａ、背側に位置する背側部Ｂ、及び該腹側部と該背側部との間に位置する股下部Ｃを有する本体５と、該本体５の背側部Ｂにおける左右両側縁部に連設された左右一対のファスニングテープ６，６とを有する、いわゆる展開型のおむつである。 Hereinafter, the present invention will be described in detail based on a preferred embodiment thereof.
As shown in FIG. 1, a disposable diaper 1 (hereinafter referred to as diaper 1) as an embodiment of the present invention includes an abdominal side A located on the abdomen side of the wearer when worn and a dorsal side part located on the back side. B and a main body 5 having a crotch portion C positioned between the abdominal side and the back side, and a pair of left and right fastening tapes connected to left and right side edges of the back side B of the main body 5 6 and 6, a so-called unfolded diaper.

本体５は、液透過性の表面シート２、液不透過性又は撥水性の裏面シート３、及びこれら両シート間に介在された液保持性の吸収体４が一体化されたものを有する構成とし、更に、立体ガード形成用シート７，７を、表面シート２の両側部にそれぞれ一部を重ねるようにして配設してなる。
立体ガード形成用シート７は、長手方向の両端部及び幅方向の外方側の所定幅の領域が、表面シート２及び／又は裏面シート３に固定されている。立体ガード形成用シート７は、本体５の横方向（Ｘ方向）中央部側の端縁近傍に、立体ガード形成用の弾性部材（図示せず）を有しており、着用時には、その弾性部材の収縮力により、該端縁から所定幅の部分が表面シート２から離間して立体ガードを形成する。 The main body 5 has a structure in which a liquid-permeable top sheet 2, a liquid-impermeable or water-repellent back sheet 3, and a liquid-retaining absorbent 4 interposed between the two sheets are integrated. Further, the three-dimensional guard forming sheets 7 are arranged so as to partially overlap the both sides of the top sheet 2.
In the three-dimensional guard forming sheet 7, both end portions in the longitudinal direction and a region having a predetermined width on the outer side in the width direction are fixed to the top sheet 2 and / or the back sheet 3. The three-dimensional guard forming sheet 7 has an elastic member (not shown) for forming a three-dimensional guard in the vicinity of the edge of the main body 5 on the side in the lateral direction (X direction). Due to the contraction force, a portion having a predetermined width from the edge is separated from the topsheet 2 to form a three-dimensional guard.

本体５は、図１に示す如く、長手方向中央部の両側に凹欠部を有しており、長手方向の両端部において長手方向中央部におけるよりもその幅が広くなっている。本体５における、着用時に着用者の脚周りに配されるレッグ部８には、該レッグ部８を着用者にフィットさせるための脚周り弾性部材８１が、本体５の長手方向に沿って配されている。   As shown in FIG. 1, the main body 5 has recessed portions on both sides of the longitudinal center portion, and the width is wider at both longitudinal end portions than at the longitudinal center portion. A leg-around elastic member 81 for fitting the leg portion 8 to the wearer is provided along the longitudinal direction of the main body 5 in the leg portion 8 which is arranged around the wearer's leg when worn in the main body 5. ing.

本おむつ１における各ファスニングテープ６は、図１に示すように、その突出方向の基端部６ｂから先端部６ａに向かうに連れて股下部Ｃから遠ざかるように、該本体５の幅方向に延びる直線ＷＬに対して傾斜している。   As shown in FIG. 1, each fastening tape 6 in the present diaper 1 extends in the width direction of the main body 5 so as to move away from the crotch part C toward the distal end portion 6 a from the proximal end portion 6 b in the protruding direction. It is inclined with respect to the straight line WL.

各ファスニングテープ６の止着部６１は、多数の係合用突起を有する機械的面ファスナーのオス部材からなる。本おむつ１における腹側部Ａの外面には、機械的面ファスナーのメス部材が配されていて、ファスニングテープ６を止着する被止着部９が形成されている。ここでいう、機械的面ファスナーのメス部材とは、機械的面ファスナーのオス部材を、押し付けにより係合させることができるものである。機械的面ファスナーのオス部材及びメス部材としては、従来公知のものを特に制限なく用いることができる。また、機械的面ファスナーのメス部材は、機械的面ファスナーのメス部材として市販されているトリコット編物等の編物の他、係合性に富む不織布（例えばスパンボンド不織布、エアスルー不織布等）等を用いることもできる。   The fastening part 61 of each fastening tape 6 consists of a male member of a mechanical surface fastener having a number of engaging projections. A female member of a mechanical hook-and-loop fastener is disposed on the outer surface of the ventral side portion A of the diaper 1, and a to-be-attached portion 9 for fastening the fastening tape 6 is formed. The female member of a mechanical hook-and-loop fastener here can engage the male member of a mechanical hook-and-loop fastener by pressing. As a male member and a female member of a mechanical hook-and-loop fastener, a conventionally well-known thing can be especially used without a restriction | limiting. The female member of the mechanical surface fastener uses a knitted fabric such as a tricot knitted fabric that is commercially available as a female member of the mechanical surface fastener, or a non-woven fabric (for example, a spunbonded non-woven fabric, an air-through non-woven fabric, etc.) rich in engagement. You can also.

本おむつ１においては、図１に示すように、本体５の長手方向の両側部それぞれに、弾性伸縮部材１０を、その伸縮方向を本体５の幅方向に延びる直線ＷＬに対して傾斜させ、かつ前記ファスニングテープ６と一直線上に並ぶように、配設してある。弾性伸縮部材１０の伸縮方向の傾斜方向は、おむつ１を平面状に拡げた状態（図１参照）において、本体５の幅方向中央部から幅方向両端部に向かうに連れて、股下部Ｃあるいは腹側部Ａから遠ざかる方向である。   In the present diaper 1, as shown in FIG. 1, the elastic elastic members 10 are inclined on both sides in the longitudinal direction of the main body 5 with respect to the straight line WL extending in the width direction of the main body 5, and It arrange | positions so that it may align with the said fastening tape 6 and a straight line. The direction of inclination of the elastic expansion / contraction member 10 is such that the crotch part C or the diaper 1 extends from the center in the width direction toward the both ends in the width direction when the diaper 1 is expanded in a flat shape (see FIG. 1). It is a direction away from the ventral side A.

弾性伸縮部材１０をファスニングテープ６と一直線上に並ぶように配設してあるとは、おむつ１を平面状に拡げた状態（図１参照）において、ファスニングテープ６を、その突出方向の前後に延長させて得られるファスニングテープと同じ幅の帯状領域と、弾性伸縮部材１０とが少なくとも一部において重なっていることをいう。また、図１に示すように、弾性伸縮部材１０の一部が、ファスニングテープ６の突出方向に延びる中央線の延長線ＣＬと重なるように配されていることがより好ましく、更に、弾性伸縮部材１０は、該弾性伸縮部材１０の伸縮方向の略中央線が、前記延長線ＣＬと重なっていることが最も好ましい。   The elastic elastic member 10 is arranged so as to be aligned with the fastening tape 6 in the state where the diaper 1 is expanded in a flat shape (see FIG. 1), the fastening tape 6 is moved back and forth in the protruding direction. It means that the belt-like region having the same width as the fastening tape obtained by extending and the elastic elastic member 10 overlap at least partially. Further, as shown in FIG. 1, it is more preferable that a part of the elastic stretchable member 10 is arranged so as to overlap with the extension line CL of the center line extending in the protruding direction of the fastening tape 6. 10, most preferably, the substantially center line in the expansion / contraction direction of the elastic expansion / contraction member 10 overlaps the extension line CL.

弾性伸縮部材１０を構成するシート１２としては、不織布、樹脂フィルム、紙、及びこれらの２種以上の積層体等を用いることができる。
弾性伸縮部材１０を構成する個々の弾性部材１１の材料（弾性材料）としては、一般的によく知られたエラストマー樹脂を含む、糸状、紐状、帯状、網状、フォーム状等に成形（成型）された、ゴム弾性を有する材料を用いることができる。 As the sheet | seat 12 which comprises the elastic elastic member 10, a nonwoven fabric, a resin film, paper, these 2 or more types of laminated bodies, etc. can be used.
The material (elastic material) of each elastic member 11 constituting the elastic elastic member 10 is formed (molded) into a thread shape, a string shape, a belt shape, a net shape, a foam shape or the like containing a generally well-known elastomer resin. It is possible to use a material having rubber elasticity.

本おむつ１における弾性伸縮部材１０は、本体５の幅方向において、表面シート２の両側縁それぞれより外方に位置する部分は、立体ガード形成用シート７と裏面シート３との間に、接着剤等を用いて固定されており、表面シート２の両側縁それぞれより内方に位置する部分は、裏面シート３と吸収体４との間、または、表面シート２と吸収体４との間に、接着剤等を用いて固定されている。   The elastic stretchable member 10 in the diaper 1 has a portion positioned outward from both side edges of the top sheet 2 in the width direction of the main body 5, between the three-dimensional guard forming sheet 7 and the back sheet 3. Etc., and the portion located inward from the both side edges of the top sheet 2 is between the back sheet 3 and the absorber 4, or between the top sheet 2 and the absorber 4, It is fixed using an adhesive or the like.

本おむつ１に用いた弾性伸縮部材１０の製造方法の一例を、図２を参照して説明する。
弾性伸縮部材１０を得るには、帯状のシート１２を、一方向に連続搬送しつつ、該シート１２に対して接着剤を塗工し（図示せず）、複数本の弾性部材１１を、該シート１２の接着剤塗工面に供給し、それらの弾性部材１１を挟み込むようにしてシート１２を二つ折りする。二つ折りした直後に、ニップロール等（図示せず）で加圧する。そして、得られた連続体１０’を、個々の弾性伸縮部材１０の寸法に切断する。尚、図２に示した製造方法のように、二つ折りした一枚のシートで、弾性部材１１を挟むのに代えて、別々に製造した２枚のシートで弾性部材１１を挟んでも良い。また、弾性部材固定用の接着剤は、弾性部材１１を挟む両側のシートの何れか一方に塗工しても良いし、双方に塗工しても良く、あるいは、弾性部材１１に塗工してもよい。
尚、本発明における弾性伸縮部材は、糸状、紐状、帯状、網状等の弾性部材そのものであっても良いが、とくに弾性材料からなる糸状弾性部材を複数本用いる場合には、非弾性材料からなるシート間に伸張状態で固定して複合体として用いると製造工程の簡易化が可能となる。 An example of the manufacturing method of the elastic elastic member 10 used for this diaper 1 is demonstrated with reference to FIG.
In order to obtain the elastic stretchable member 10, an adhesive is applied to the sheet 12 while continuously conveying the belt-like sheet 12 in one direction (not shown), and a plurality of elastic members 11 are The sheet 12 is supplied to the adhesive coated surface, and the sheet 12 is folded in half so as to sandwich the elastic member 11 therebetween. Immediately after folding in half, pressurization is performed with a nip roll or the like (not shown). And obtained continuum 10 'is cut | disconnected to the dimension of each elastic elastic member 10. FIG. In addition, instead of sandwiching the elastic member 11 with a single sheet folded in half as in the manufacturing method shown in FIG. 2, the elastic member 11 may be sandwiched between two separately manufactured sheets. The adhesive for fixing the elastic member may be applied to either one of the sheets on both sides of the elastic member 11, or may be applied to both, or may be applied to the elastic member 11. May be.
The elastic elastic member in the present invention may be an elastic member itself such as a thread, string, belt, or net. However, in particular, when a plurality of thread elastic members made of an elastic material are used, the elastic elastic member is made of an inelastic material. If the sheet is fixed in a stretched state and used as a composite, the manufacturing process can be simplified.

本おむつ１によれば、ファスニングテープ６が、上述の如く、本体５の幅方向に延びる直線ＷＬに対して傾斜しているため、ファスニングテープ６を、腹側部Ａにおける本体５の幅方向に延びる直線ＡＬと平行となるようにして、腹側部Ａの外面に止着するのみで、着用者の背側に対して良好なフィット性が得られる。即ち、図３に示すように、おむつ１の着用時に、本体５の背側部Ｂ側の端縁５１は、背側部Ｂの両側部におけるよりも背側部Ｂの中央部において高くに位置し、着用者の臀部の上方まで包み込むように背側部Ｂが装着されるとともに、着用者の腰の辺りに存在するやや窪んだ部分に沿って、背側部Ｂが良好にフィットする。そのため、本実施形態のおむつ１においては、背側部Ｂのウエスト部５２に、着用者の胴回り方向に延びる弾性部材が配されていないが、着用者の背側に良好なフィット性が得られる。本実施形態のおむつ１においては、そのような弾性部材の省略により、製造工程の簡易化や製造コストの削減等を図ることができる。尚、ここでいう、背側部Ｂのウエスト部５２とは、本体５の背側部Ｂ側の端縁５１と、吸収体４の背側部Ｂ側の端縁４１の位置との間の領域５２（図１参照）である。   According to the present diaper 1, since the fastening tape 6 is inclined with respect to the straight line WL extending in the width direction of the main body 5 as described above, the fastening tape 6 is moved in the width direction of the main body 5 at the ventral side A. A good fit to the back side of the wearer can be obtained only by being fixed to the outer surface of the abdominal side A so as to be parallel to the extending straight line AL. That is, as shown in FIG. 3, when the diaper 1 is worn, the edge 51 on the back side B of the main body 5 is positioned higher in the center of the back side B than on both sides of the back side B. And while the back side part B is mounted | worn so that it may wrap up to the upper part of a wearer's buttocks, the back side part B fits well along the slightly depressed part which exists around a wearer's waist. Therefore, in the diaper 1 of this embodiment, although the elastic member extended in a wearer's trunk periphery direction is not distribute | arranged to the waist part 52 of the back side part B, favorable fitting property is obtained on a wearer's back side. . In the diaper 1 of the present embodiment, by omitting such an elastic member, the manufacturing process can be simplified and the manufacturing cost can be reduced. In addition, the waist part 52 of the back side part B here is between the position of the edge 51 on the back side part B side of the main body 5 and the edge 41 on the back side part B side of the absorber 4. Region 52 (see FIG. 1).

しかも、本おむつ１においては、ファスニングテープ６を、腹側部Ａにおける本体５の幅方向に延びる直線ＡＬ（図１及び図３参照）と平行となるようにして、腹側部Ａの外面に止着したときに、図３に示すように、弾性伸縮部材１０がファスニングテープ６と同じ高さに位置し、左右の両弾性伸縮部材１０，１０によって、着用者の周囲を、その高さ位置において締め付ける環状の締め付け領域Ｄが形成される。望ましい装着状態においては、図３において、一方のファスニングテープ６、一方の弾性伸縮部材１０、他方の弾性伸縮部材及び他方のファスニングテープが、概ね同じ高さ位置において、着用者の胴回り方向に直列に並んでいる。   Moreover, in the present diaper 1, the fastening tape 6 is placed on the outer surface of the abdominal side A so as to be parallel to the straight line AL (see FIGS. 1 and 3) extending in the width direction of the main body 5 in the abdominal side A. As shown in FIG. 3, the elastic elastic member 10 is positioned at the same height as the fastening tape 6, and the left and right elastic elastic members 10, 10 surround the wearer around the height of the wearer. An annular fastening region D to be fastened at is formed. In a desirable wearing state, in FIG. 3, one fastening tape 6, one elastic elastic member 10, the other elastic elastic member and the other fastening tape are arranged in series in the waist direction of the wearer at substantially the same height position. Are lined up.

このような、締め付け領域Ｄが形成されることで、本おむつ１においては、背側部Ｂのウエスト部５２に弾性部材を配する場合に比べて、背側部Ｂ、特にウエスト部５２のずり落ちを軽減することができる。これにより、着用者の背側に対する良好なフィット性が、着用中、安定に維持される。   By forming the tightening region D as described above, in the present diaper 1, compared to the case where the elastic member is arranged on the waist portion 52 of the back side portion B, the back side portion B, particularly the slip of the waist portion 52. Drops can be reduced. Thereby, the favorable fitting property with respect to a wearer's back side is stably maintained during wear.

着用者の背側に対するフィット性を高める観点から、ファスニングテープ６の突出方向の中心線ＣＬと、おむつの横方向に延びる直線ＷＬとのなす角度θ１（図１参照）は、１〜４５度であることが好ましく、１０〜２０度であることがより好ましい。
また、背側部Ｂ、特にウエスト部５２のずり落ちを防止する観点から、弾性伸縮部材１０の伸縮方向Ｌ７と、おむつの横方向に延びる直線ＷＬとのなす角度θ２（図１参照）は、１〜４５度であることが好ましく、１０〜２０度であることがより好ましい。
角度θ２と角度θ１とは、着用状態において、ファスニングテープ６と弾性伸縮部材１０とを、概ね同じ高さ位置に直列に配置させるために、概ね同じ角度であることが好ましい。装着者の体型や装着する際の操作により、具体的には、角度θ２と角度θ１との差の絶対値は、１０度以下であることが好ましく、５度以下であることがより好ましい。 From the viewpoint of enhancing the fit to the wearer's back side, the angle θ1 (see FIG. 1) formed by the center line CL in the protruding direction of the fastening tape 6 and the straight line WL extending in the lateral direction of the diaper is 1 to 45 degrees. It is preferable that it is 10 to 20 degrees.
Further, from the viewpoint of preventing the back side portion B, in particular, the waist portion 52 from slipping, the angle θ2 (see FIG. 1) formed by the elastic direction L7 of the elastic elastic member 10 and the straight line WL extending in the lateral direction of the diaper is: It is preferably 1 to 45 degrees, and more preferably 10 to 20 degrees.
It is preferable that the angle θ2 and the angle θ1 are substantially the same angle in order to arrange the fastening tape 6 and the elastic elastic member 10 in series at substantially the same height position in the wearing state. Specifically, the absolute value of the difference between the angle θ2 and the angle θ1 is preferably 10 degrees or less, and more preferably 5 degrees or less, depending on the wearer's body shape and the operation at the time of wearing.

次に、本発明の他の実施形態について説明する。以下の説明においては、上述したおむつ１と異なる点について説明し、同様の構成については、説明を省略する。特に説明しない点は、おむつ１について上述した説明が適用される。   Next, another embodiment of the present invention will be described. In the following description, a different point from the diaper 1 mentioned above is demonstrated, and description is abbreviate | omitted about the same structure. The points described above with respect to the diaper 1 are applied to points that are not particularly described.

図４（ｃ）に示す実施形態のおむつ１Ａにおいては、図４（ａ）に示すような、一本の長めの帯状の弾性伸縮部材１０Ａを、図４（ｂ）に示すように、長手方向の中央部付近で折り曲げて得られた略Ｖ字状の弾性伸縮部材とし、それを、おむつ１Ａの背側部に配してある。おむつ１Ａにおける略Ｖ字状の弾性伸縮部材は、中央部付近を境にして、その両側に位置する部分１０，１０が、上述したおむつ１における左右の弾性伸縮部材と同様に機能する。   In the diaper 1A of the embodiment shown in FIG. 4 (c), a long belt-like elastic elastic member 10A as shown in FIG. 4 (a) is formed in the longitudinal direction as shown in FIG. 4 (b). It is set as the substantially V-shaped elastic expansion-contraction member obtained by bend | folding near the center part of this, and it has distribute | arranged to the back side part of the diaper 1A. The substantially V-shaped elastic elastic member in the diaper 1 </ b> A functions in the same manner as the left and right elastic elastic members in the diaper 1, with the portions 10 and 10 located on both sides of the central portion as a boundary.

図５（ｂ）に示す実施形態のおむつ１Ｂにおいては、図５（ａ）に示した、複数本の弾性部材１１を、シート間に伸張状態にて固定してなる帯状の弾性伸縮部材１０Ｂであって、弾性伸縮部材１０Ｂの長手方向中央部付近から両端部それぞれに向かって、弾性部材同士間の間隔が漸次拡大している弾性伸縮部材１０Ｂを、おむつ１Ｂの背側部に配してある。おむつ１Ｂにおける弾性伸縮部材１０Ｂは、中央部付近を境にして、その両側に位置する部分１０，１０が、上述したおむつ１における左右の弾性伸縮部材と同様に機能する。   In the diaper 1B of the embodiment shown in FIG. 5 (b), the elastic elastic member 10B in the form of a belt formed by fixing a plurality of elastic members 11 in a stretched state between the sheets shown in FIG. 5 (a). The elastic elastic member 10B in which the distance between the elastic members gradually increases from the vicinity of the central portion in the longitudinal direction of the elastic elastic member 10B toward the both ends is arranged on the back side of the diaper 1B. . The elastic stretchable member 10B in the diaper 1B functions in the same manner as the left and right elastic stretchable members in the diaper 1 described above, with the portions 10 and 10 positioned on both sides of the central portion.

おむつ１Ｂで用いた弾性伸縮部材１０Ｂは、次のようにして得られる。即ち、図５（ａ）に示すように、帯状のシート１２を、一方向に連続搬送しつつ、該シート１２に対して接着剤を塗工し（図示せず）、該シート１２の接着剤塗工面に複数本の弾性部材１１を供給し、それらの弾性部材１１を、押圧手段１５により間隔を増減調節しながら二つ折りしたシート１２間に挟み込み、弾性部材１１を挟み込んだシートをニップロール等で加圧する。そして、このようにして得られた弾性伸縮部材の連続体１０Ｂ’を、個々の弾性伸縮部材１０Ｂの寸法に切断する。押圧手段１５としては、複数本の弾性部材を纏めて押圧可能な押圧部１５ａを先端に有する、油圧式や機械式等のシリンダー等を用いることができる。図５（ａ）中、符号１６は、押圧部１５ａの進退に伴う弾性部材の幅方向のずれを上流に及ぼさないようにする固定式ガイドである。押圧部１５ａを周期的に進退を繰り返すように制御して、該押圧部１５ａで、ガイド１６と弾性部材のシート間への挟み込み部位との間において、複数の弾性部材１１を押圧することによって、弾性部材１１の間隔が周期的に変動した上記の連続体１０Ｂ’を得ることができる。   The elastic elastic member 10B used in the diaper 1B is obtained as follows. That is, as shown in FIG. 5 (a), the belt-like sheet 12 is continuously conveyed in one direction, and an adhesive is applied to the sheet 12 (not shown). A plurality of elastic members 11 are supplied to the coated surface, and the elastic members 11 are sandwiched between the folded sheets 12 while increasing / decreasing the interval by the pressing means 15, and the sheet with the elastic members 11 sandwiched between them by a nip roll or the like. Pressurize. Then, the elastic elastic member 10B 'thus obtained is cut into the dimensions of the individual elastic members 10B. As the pressing means 15, a hydraulic or mechanical cylinder having a pressing portion 15 a capable of pressing a plurality of elastic members collectively can be used. In FIG. 5A, reference numeral 16 denotes a fixed guide that prevents the shift in the width direction of the elastic member accompanying the advancement and retraction of the pressing portion 15a from being exerted upstream. By controlling the pressing portion 15a to periodically advance and retreat, by pressing the plurality of elastic members 11 between the guide 16 and the portion where the elastic member is sandwiched between the sheets by the pressing portion 15a, The above-described continuum 10B ′ in which the interval between the elastic members 11 is periodically changed can be obtained.

図６（ｄ）に示す実施形態のおむつ１Ｃにおいては、図６（ｂ）に示すように、複数本の弾性部材１１を、シート間に伸張状態にて固定してなる帯状の弾性伸縮部材１０Ｃであって、弾性伸縮部材１０Ｃの長手方向中央部付近から両端部それぞれに向かって、弾性部材同士間の間隔が漸次拡大している弾性伸縮部材１０Ｃを、図６（ｃ）に示すように、長手方向中央部に全幅に亘らないように入れたスリット１３を拡げることによってＶ字状とし、それを、おむつ１Ｂの背側部に配してある。おむつ１Ｃにおける略Ｖ字状の弾性伸縮部材１０Ｃは、中央部付近を境にして、その両側に位置する部分１０，１０が、上述したおむつ１における左右の弾性伸縮部材と同様に機能する。   In the diaper 1C of the embodiment shown in FIG. 6 (d), as shown in FIG. 6 (b), a belt-like elastic elastic member 10C formed by fixing a plurality of elastic members 11 in a stretched state between sheets. As shown in FIG. 6 (c), the elastic elastic member 10C in which the distance between the elastic members gradually increases from the vicinity of the central portion in the longitudinal direction of the elastic elastic member 10C toward both ends. The slit 13 inserted so as not to cover the entire width in the central portion in the longitudinal direction is expanded into a V shape, which is arranged on the back side of the diaper 1B. The substantially V-shaped elastic stretchable member 10C in the diaper 1C functions in the same manner as the left and right elastic stretchable members in the diaper 1 described above, with the portions 10 and 10 positioned on both sides of the central portion as a boundary.

おむつ１Ｃで用いた弾性伸縮部材１０Ｃは、図６（ａ）に示すように、１０Ｂと同様の工程により得られた、個々の弾性伸縮部材１０Ｃの中央部にスリット１３を形成して得られる。但し、図５（ａ）に示す前記弾性伸縮部材１０Ｂを得る工程に比較して、弾性伸縮部材１０Ｃを得る工程では、帯状のシート１２の折り込み方向、ならびに、押圧手段１５の押圧方向が、該シートの流れ方向を軸として対称となる。   The elastic elastic member 10C used in the diaper 1C is obtained by forming a slit 13 at the center of each elastic elastic member 10C obtained by the same process as 10B, as shown in FIG. 6 (a). However, compared with the step of obtaining the elastic elastic member 10B shown in FIG. 5A, in the step of obtaining the elastic elastic member 10C, the folding direction of the belt-like sheet 12 and the pressing direction of the pressing means 15 are The sheet is symmetric with respect to the flow direction of the sheet.

本発明においては、ファスニングテープ６を、腹側部Ａにおける本体５の幅方向に延びる直線ＡＬと平行になるようにして、腹側部Ａの外面に止着することが好ましい。
装着者が、確実に、そのような態様の止着を行うことができるようにする観点から、ファスニングテープ６及び／又はファスニングテープ６を止着する被止着部９に、該ファスニングテープを、腹側部Ａにおける、本体５の幅方向に延びる直線ＡＬと平行に止着するのを容易とする止着手段を設けることが好ましい。 In the present invention, the fastening tape 6 is preferably fixed to the outer surface of the ventral side A so as to be parallel to the straight line AL extending in the width direction of the main body 5 in the ventral side A.
From the viewpoint of ensuring that the wearer can perform fastening in such a manner, the fastening tape 6 and / or the fastening portion 9 to which the fastening tape 6 is fastened are attached to the fastening tape. It is preferable to provide fastening means for facilitating fastening in the ventral side portion A in parallel with the straight line AL extending in the width direction of the main body 5.

前記止着手段の具体的な態様としては、以下のような態様が挙げられる。
図７（ａ）に示すように、ファスニングテープ６に、その中心線ＣＬに対して平行に絵柄や文字を印刷する態様である。これにより、装着者に絵柄や文字を被止着部９と平行にするよう意識させることができ、ファスニングテープ６を、確実に、前記直線ＡＬと平行に止着させることができる。
図７（ｂ）に示すように、ファスニングテープ６を平行四辺形状に形成すると共に被止着部９に目印線を傾斜させて印刷する態様である。これにより、装着者にファスニングテープ６の先端縁と目印線とを平行にするよう意識させることができ、ファスニングテープ６を、確実に、前記直線ＡＬと平行に止着させることができる。
図７（ｃ）に示すように、ファスニングテープ６に、その中心線ＣＬに対して平行に線（色分けの境界線やドットを列状に配置した非連続線を含む）を印刷すると共に、被止着部９にも直線ＡＬに対して平行に目印線を印刷する態様である。これにより、装着者にファスニングテープ６の線と、被止着部９の目印線とを平行にするよう意識させることができ、ファスニングテープ６を、確実に、前記直線ＡＬと平行に止着させることができる。
図７（ｄ）に示すように、ファスニングテープ６の先端縁６ａを、該ファスニングテープの中心線に対して直交するように形成すると共に、被止着部９に本体５の縦方向に延びる線（色分けの境界線やドットを列状に配置した非連続線を含む）を印刷する態様。これにより、装着者にファスニングテープ６の長手方向（突出方向）の先端縁と被止着部９の線とを平行にするよう意識させることができ、ファスニングテープ６を、確実に、前記直線ＡＬと平行に止着させることができる。
図７（ｅ）に示すように、被止着部９の着色領域９１あるいは２本の線で挟まれた領域を細幅（ファスニングテープの幅と略同一）に形成する態様。これにより、装着者にファスニングテープ６をそれらの領域と平行にするよう意識させることができ、ファスニングテープ６を、確実に、前記直線ＡＬと平行に止着させることができる。
図７（ｆ）に示すように、被止着部９自体をファスニングテープの幅と略同一に形成する態様。これにより、装着者にファスニングテープ６を該被止着部９と平行にするよう意識させることができ、ファスニングテープ６を、確実に、前記直線ＡＬと平行に止着させることができる。 Specific embodiments of the fastening means include the following embodiments.
As shown to Fig.7 (a), it is an aspect which prints a pattern and a character on the fastening tape 6 in parallel with respect to the centerline CL. As a result, the wearer can be made aware that the pattern and characters are parallel to the portion 9 to be secured, and the fastening tape 6 can be securely fastened in parallel to the straight line AL.
As shown in FIG. 7B, the fastening tape 6 is formed in a parallelogram shape and printed with the mark line inclined on the to-be-attached portion 9. As a result, the wearer can be made aware that the leading edge of the fastening tape 6 and the mark line are parallel to each other, and the fastening tape 6 can be reliably fixed parallel to the straight line AL.
As shown in FIG. 7C, on the fastening tape 6, lines (including non-continuous lines in which color-coded boundary lines and dots are arranged in a row) are printed in parallel to the center line CL. A mark line is also printed on the fastening portion 9 in parallel to the straight line AL. Thereby, the wearer can be made aware that the line of the fastening tape 6 and the mark line of the to-be-attached part 9 are parallel to each other, and the fastening tape 6 is surely fixed in parallel with the straight line AL. be able to.
As shown in FIG. 7 (d), the leading edge 6 a of the fastening tape 6 is formed so as to be orthogonal to the center line of the fastening tape, and the line extending in the longitudinal direction of the main body 5 on the adherend portion 9. A mode of printing (including discontinuous lines in which color-coded boundary lines and dots are arranged in a row). As a result, the wearer can be made aware that the front end edge in the longitudinal direction (protruding direction) of the fastening tape 6 and the line of the to-be-attached portion 9 are parallel to each other, and the fastening tape 6 can be securely connected to the straight line AL. It can be fixed in parallel with.
As shown in FIG.7 (e), the aspect which forms the area | region pinched | interposed by the colored area | region 91 or two lines of the to-be-adhered part 9 with a narrow width (substantially the same as the width of a fastening tape). As a result, the wearer can be made aware that the fastening tape 6 is parallel to these regions, and the fastening tape 6 can be reliably fixed parallel to the straight line AL.
As shown in FIG.7 (f), the aspect which forms the to-be-adhered part 9 itself substantially the same as the width | variety of a fastening tape. As a result, the wearer can be made aware that the fastening tape 6 is in parallel with the portion 9 to be fastened, and the fastening tape 6 can be securely fastened in parallel with the straight line AL.

本おむつ１においては、本体５の背側部Ｂにおける側縁５３は、図１に示すように、おむつ横方向に延びる直線ＷＬに対して略直角をなしている。そのため、図３に示すように、背側部Ｂにおける側縁５３は、おむつ着用時に、その上端部側がその下端側より前方に位置するように傾斜し、それにより、脚周りの締め付け力が強くなりすぎるのを防止しながら、着用者の腰回りに良好なフィット性を得ることができる。このような観点から、背側部Ｂの端縁５１から、ファスニングテープ中央線ＣＬと背側部Ｂにおける側縁５３との交点６９までの、側縁５３に沿って測定した長さＨ（図１参照）が、２〜６ｃｍであることが好ましく、３〜５ｃｍであることがより好ましい。尚、本明細書において、「本体の背側部における側縁」には、本体５の前記凹欠部における側縁は含めない。   In this diaper 1, the side edge 53 in the back side part B of the main body 5 is substantially perpendicular to the straight line WL extending in the lateral direction of the diaper, as shown in FIG. Therefore, as shown in FIG. 3, when the diaper is worn, the side edge 53 of the back side portion B is inclined so that the upper end side is positioned forward of the lower end side, thereby increasing the tightening force around the legs. Good fit can be obtained around the waist of the wearer while preventing it from becoming too much. From this point of view, the length H measured along the side edge 53 from the edge 51 of the back side B to the intersection 69 of the fastening tape center line CL and the side edge 53 of the back side B (see FIG. 1) is preferably 2 to 6 cm, and more preferably 3 to 5 cm. In the present specification, the “side edge at the back side portion of the main body” does not include the side edge at the recessed portion of the main body 5.

おむつ１における各部の形成材料について説明する。
表面シート２、裏面シート３、吸収体４、立体ガード形成用シート７、脚周り弾性部材８１等の形成材料としては、従来の吸収性物品において、それらの材料として用いられている各種公知の材料を特に制限なく用いることができる。例えば、表面シート２としては、不織布や開孔フィルム等の各種液透過性のシート材を用いることができ、裏面シート３としては、透湿性を有しない樹脂フィルムや、微細孔を有し、透湿性を有する樹脂フィルム、撥水不織布等の不織布、これらと他のシートとのラミネート体等を用いることができ、吸収体４としては、解繊パルプ、親水性長繊維（例えば、アセテートトウ）、レーヨン等の親水性繊維からなる繊維集合体又はこれに高吸収性ポリマーを保持させたもの等を用いることができる。 The formation material of each part in the diaper 1 is demonstrated.
As a material for forming the top sheet 2, the back sheet 3, the absorber 4, the three-dimensional guard forming sheet 7, the leg-hole elastic member 81, and the like, various known materials used as those materials in conventional absorbent articles. Can be used without particular limitation. For example, as the top sheet 2, various liquid-permeable sheet materials such as a nonwoven fabric and a perforated film can be used, and as the back sheet 3, a resin film that does not have moisture permeability, fine pores, A wet resin film, a non-woven fabric such as a water-repellent non-woven fabric, a laminate of these and other sheets, etc. can be used. As the absorbent body 4, defibrated pulp, hydrophilic long fibers (for example, acetate tow), A fiber assembly made of hydrophilic fibers such as rayon, or a fiber assembly in which a superabsorbent polymer is held can be used.

以上、本発明の好ましい実施形態について説明したが、本発明は、上述した実施形態に制限されず、本発明の趣旨を逸脱しない範囲で種々変更が可能である。
例えば、弾性伸縮部材１０の吸収体４と重なる部分は、吸収体４と表面シート２との間に代えて、吸収体４と裏面シート３との間に配されていても良い。 As mentioned above, although preferable embodiment of this invention was described, this invention is not restrict | limited to embodiment mentioned above, A various change is possible in the range which does not deviate from the meaning of this invention.
For example, the portion of the elastic elastic member 10 that overlaps the absorber 4 may be disposed between the absorber 4 and the back sheet 3 instead of between the absorber 4 and the top sheet 2.

本発明の一実施形態としての使い捨ておむつを平面状に拡げた状態を示す一部破断平面図である。It is a partially broken top view which shows the state which expanded the disposable diaper as one Embodiment of this invention in planar shape. 図１に示すおむつに用いた弾性伸縮部材を製造する方法の一例を示す説明図である。It is explanatory drawing which shows an example of the method of manufacturing the elastic elastic member used for the diaper shown in FIG. 図１に示すおむつを着用者が着用した状態を示す図である。It is a figure which shows the state which the wearer wore the diaper shown in FIG. 本発明の他の実施形態のおむつ示す図で、（ａ）は、本体の左右に配される弾性伸縮部材が連なった構成の弾性伸縮部材、（ｂ）は、（ａ）に示した弾性伸縮部材をＶ字状に折り曲げた状態、（ｃ）はＶ字状に折り曲げた弾性伸縮部材をおむつに組み込んだ状態を示す図である。It is a figure which shows the diaper of other embodiment of this invention, (a) is the elastic expansion-contraction member of the structure which the elastic expansion-contraction member distribute | arranged to the right and left of a main body was continued, (b) is the elastic expansion-contraction shown to (a). The state which bent the member in the V shape, (c) is a figure which shows the state which incorporated the elastic elastic member bent in the V shape in the diaper. 本発明の更に他の実施形態のおむつ示す図で、（ａ）は、本体の左右に配される弾性伸縮部材が連なった構成の弾性伸縮部材及びその製造方法、（ｂ）は、（ａ）に示した弾性伸縮部材をおむつに組み込んだ状態を示す図である。It is a figure which shows the diaper of other embodiment of this invention, (a) is the elastic expansion-contraction member of the structure which the elastic expansion-contraction member distribute | arranged to the left and right of a main body, and its manufacturing method, (b) is (a). It is a figure which shows the state which integrated the elastic expansion-contraction member shown in diaper. 本発明の更に他の実施形態のおむつ示す図で、（ｂ）は、本体の左右に配される弾性伸縮部材が連なった構成の弾性伸縮部材、（ａ）は、（ｂ）に示した弾性伸縮部材の製造方法、（ｃ）は、（ｂ）に示した弾性伸縮部材をスリットを介してＶ字状に折り曲げた状態、（ｃ）はＶ字状に折り曲げた弾性伸縮部材をおむつに組み込んだ状態を示す図である。It is a figure which shows the diaper of other embodiment of this invention, (b) is an elastic elastic member of the structure which the elastic elastic member distribute | arranged to the right and left of a main body was continued, (a) is the elasticity shown to (b). (C) is a state in which the elastic elastic member shown in (b) is bent into a V shape through a slit, and (c) is an elastic elastic member bent into a V shape into a diaper. It is a figure which shows a state. 本発明の他の実施形態の要部を示す図で、一方のファスニングテープを左側、両ファスニングテープを被止着部に止着した状態を右側に示す。It is a figure which shows the principal part of other embodiment of this invention, and shows the state which fastened one fastening tape to the left side and both fastening tapes to the to-be-attached part.

符号の説明Explanation of symbols

１ 使い捨ておむつ
２ 表面シート
３ 裏面シート
４ 吸収体
６ ファスニングテープ
９ 被止着部
１０ 弾性伸縮部材
１１ 弾性伸縮部材を構成する弾性部材
１２ 弾性伸縮部材を構成するシート材
ＡＬ 腹側部における、本体の横方向に延びる直線
ＷＬ 本体の横方向に延びる直線


DESCRIPTION OF SYMBOLS 1 Disposable diaper 2 Top sheet 3 Back sheet 4 Absorber 6 Fastening tape 9 Fastening part 10 Elastic elastic member 11 Elastic member which comprises elastic elastic member 12 Sheet material which constitutes elastic elastic member AL Straight line extending in the horizontal direction WL Straight line extending in the horizontal direction of the body


Claims (2)

腹側部、背側部、及び該腹側部と該背側部との間に位置する股下部を有する本体と、該本体の前記背側部における両側縁部に設けられたファスニングテープとを有する使い捨ておむつであって、
前記背側部のウエスト部に、着用者の胴回り方向に延びる弾性部材が配されておらず、
前記ファスニングテープは、その突出方向の基端部から先端部に向かうに連れて前記股下部から遠ざかるように、該本体の幅方向に延びる直線に対して傾斜しており、且つ前記腹側部の外面に着脱自在に止着可能な止着部を有しており、
前記本体の両側部それぞれに、弾性伸縮部材を、それぞれの伸縮方向を前記本体の幅方向に延びる直線に対して傾斜させ、かつ前記ファスニングテープと一直線上に並ぶように、配設してあり、
１本の帯状弾性伸縮部材を長手方向の中央部付近で折り曲げて得られた略Ｖ字状の弾性伸縮部材における２本の直線部分を、前記本体の両側部それぞれに配設された前記弾性伸縮部材としてあり、
前記ファスニングテープ及び／又は該ファスニングテープを止着する被止着部に、該ファスニングテープを、前記腹側部における前記本体の幅方向に延びる直線と平行に止着するのを容易とする止着手段が設けられており、
前記おむつの着用時に、前記本体における前記背側部側の端縁が、該背側部の両側部におけるよりも該背側部の中央部においてより高くに位置し、該背側部が着用者の臀部の上方まで包み込むようになされている使い捨ておむつ。 A main body having a ventral portion, a dorsal portion, and a crotch portion positioned between the ventral portion and the dorsal portion; and a fastening tape provided on both side edges of the dorsal portion of the main body. A disposable diaper having
An elastic member extending in the waist direction of the wearer is not disposed on the waist part of the back side part,
The fastening tape is inclined with respect to a straight line extending in the width direction of the main body so as to move away from the crotch portion from the proximal end portion in the projecting direction toward the distal end portion, and on the ventral side portion. It has a fastening part that can be detachably fastened to the outer surface,
On each side of the main body, elastic elastic members are arranged so that each elastic direction is inclined with respect to a straight line extending in the width direction of the main body and aligned with the fastening tape.
The elastic expansion / contraction provided on each of both side portions of the main body is formed by two linear portions of the substantially V-shaped elastic expansion / contraction member obtained by bending one belt-shaped elastic expansion / contraction member near the center in the longitudinal direction. As a member,
Fastening that makes it easy to fasten the fastening tape to the fastening tape and / or the fastened portion to fasten the fastening tape in parallel with a straight line extending in the width direction of the main body on the ventral side. Means are provided,
When the diaper is worn, the back side edge of the main body is positioned higher in the center of the dorsal side than on both sides of the dorsal side, and the dorsal side is the wearer A disposable diaper designed to wrap up to the upper part of the buttocks . 前記弾性伸縮部材は、複数本の弾性部材をシート間に伸張状態で固定してなる請求項１ 記載の使い捨ておむつ。   The disposable diaper according to claim 1, wherein the elastic elastic member is formed by fixing a plurality of elastic members in a stretched state between sheets.
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JP5021402B2 (en) * 2006-12-14 2012-09-05 花王株式会社 Disposable diapers
JP5704745B2 (en) * 2010-08-31 2015-04-22 株式会社リブドゥコーポレーション Disposable diaper and method for producing fastening part
EP3836876B1 (en) * 2018-08-14 2023-11-29 The Procter & Gamble Company Shaped fastening members and absorbent articles having the same
USD970725S1 (en) 2019-11-15 2022-11-22 The Procter & Gamble Company Absorbent article component
US11801168B2 (en) 2019-11-15 2023-10-31 The Procter And Gamble Company Tape-type absorbent article with belt structure
US11793685B2 (en) 2019-11-15 2023-10-24 The Procter And Gamble Company Absorbent article having fastening system

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JPH03241793A (en) * 1990-02-20 1991-10-28 Matsushita Electric Ind Co Ltd Packaging of flexible printed-circuit board
JP2000140006A (en) * 1998-11-09 2000-05-23 Kao Corp Disposable diaper
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JP2003153952A (en) * 2001-11-22 2003-05-27 Daio Paper Corp Disposal diaper
JP2004024434A (en) * 2002-06-24 2004-01-29 Uni Charm Corp Open type disposable wearing article
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JPS5973305U (en) * 1982-11-09 1984-05-18 ユニ・チヤ−ム株式会社 disposable diapers
JPH03241793A (en) * 1990-02-20 1991-10-28 Matsushita Electric Ind Co Ltd Packaging of flexible printed-circuit board
JP2000140006A (en) * 1998-11-09 2000-05-23 Kao Corp Disposable diaper
JP2001029388A (en) * 1999-07-16 2001-02-06 Toyo Eizai Corp Throw-away shorts
JP2003153952A (en) * 2001-11-22 2003-05-27 Daio Paper Corp Disposal diaper
JP2004024434A (en) * 2002-06-24 2004-01-29 Uni Charm Corp Open type disposable wearing article
JP2004105696A (en) * 2002-07-26 2004-04-08 Kao Corp Diaper easily worn in standing posture

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