WO2017169380A1 - Disposable diaper - Google Patents

Disposable diaper Download PDF

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Publication number
WO2017169380A1
WO2017169380A1 PCT/JP2017/007002 JP2017007002W WO2017169380A1 WO 2017169380 A1 WO2017169380 A1 WO 2017169380A1 JP 2017007002 W JP2017007002 W JP 2017007002W WO 2017169380 A1 WO2017169380 A1 WO 2017169380A1
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WO
WIPO (PCT)
Prior art keywords
disposable diaper
interior body
absorber
sheet
back sheet
Prior art date
Application number
PCT/JP2017/007002
Other languages
French (fr)
Japanese (ja)
Inventor
達彦 柏木
Original Assignee
大王製紙株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大王製紙株式会社 filed Critical 大王製紙株式会社
Publication of WO2017169380A1 publication Critical patent/WO2017169380A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium

Definitions

  • the present invention relates to a disposable diaper, and more particularly, to a disposable diaper that can move the position of the interior of the disposable diaper according to the lateral posture of the wearer.
  • the widthwise central part of the longitudinal front and rear parts of the disposable diaper is fixed to the exterior body, and both sides of the widthwise central part are exterior body Means for easily deforming both side portions of the absorbent body by non-fixing to the body has been proposed.
  • Patent Document 1 there is a possibility that the part facing the wearer's crotch part in the interior body having the absorbent body cannot be easily moved up and down according to the lateral position.
  • the main problem of the present invention is to provide a disposable diaper that can prevent the excrement from leaking out by moving the interior body having the absorbent body up and down in accordance with the lateral posture of the wearer. There is to do.
  • the present invention that has solved the above problems is as follows.
  • the invention which concerns on Claim 1 is a disposable diaper provided with the exterior body and the interior body on the inner surface of the exterior body,
  • the interior body includes a liquid-permeable top sheet provided on the body surface side, a liquid-impermeable back sheet provided on the non-body side, and an absorber provided between the top sheet and the back sheet.
  • the front and rear end portions of the interior body in the longitudinal direction are fixed to the inner surface of the exterior body, and the portion between the front end portion and the rear end portion in the longitudinal direction of the interior body is not secured to the inner surface of the exterior body. It is a disposable diaper.
  • the length in the front-rear direction of the front end portion of the interior body is formed to be 10% or less of the length in the front-rear direction of the absorbent body, and the length in the front-rear direction of the rear end portion of the interior body.
  • the disposable diaper according to claim 1, wherein the length is 10% or less of the length of the absorbent body in the front-rear direction.
  • first notches are formed on both sides of the rear vicinity of the front end of the absorber, and second cuts are formed on both sides of the front vicinity of the rear end of the absorber.
  • the invention according to claim 4 is the disposable diaper according to claim 3, wherein the second notch is formed larger than the first notch.
  • the invention according to claim 5 is the disposable diaper according to any one of claims 1 to 4, wherein a fastening portion extending in the vertical direction is provided at a center portion in the width direction on the opposite side of the back sheet. is there.
  • the invention according to claim 6 is the disposable diaper according to any one of claims 1 to 4, wherein a fastening portion is provided in a portion adjacent to the leg opening of the exterior body on the opposite body side of the back sheet. .
  • the invention according to claim 7 is provided with a colored line that extends in the longitudinal direction at a predetermined interval in the width direction on the opposite side of the back sheet, and is visible from the outside. It is a disposable diaper described in the item.
  • the interior body includes a liquid-permeable top sheet provided on the body surface side, a liquid-impermeable back sheet provided on the non-body side, the top sheet, and the back sheet.
  • the front and rear end portions in the longitudinal direction of the interior body are fixed to the inner surface of the exterior body, and the portion between the front end portion and the rear end portion in the longitudinal direction of the interior body is a part of the exterior body. Since it is not fixed to the inner surface, when the wearer takes a lateral position, excrement is caused by moving the region between the front end and the rear end in the vertical direction of the interior body in the lower direction, and in the entire area of the absorber. Can be absorbed.
  • the length in the front-rear direction of the front end portion of the interior body is formed to be 10% or less of the length in the front-rear direction of the absorber, Since the length of the rear end of the interior body in the front-rear direction is 10% or less of the length of the absorbent body in the front-rear direction, the front end of the interior body in the longitudinal direction when the wearer takes a horizontal position
  • the center part of the width direction of an absorber can be moved to a wearer's excretion position by moving the site
  • the first notch is formed on both sides of the rear vicinity of the front end of the absorber, Since the second notch portions are formed on both sides of the front side vicinity of the rear end portion, when the wearer takes a sideways posture, the portion between the front end portion and the rear end portion in the vertical direction of the interior body Can be easily moved downward.
  • the second notch is formed larger than the first notch, so that it is provided biased to the back body of the exterior body.
  • the rear part of the absorbent body thus obtained can be easily and greatly moved downward.
  • FIG. 2 is a CC cross-sectional view of FIG.
  • FIG. 2 is a cross-sectional view taken along the line AA in FIG.
  • FIG. 3 is a cross-sectional view taken along the line BB in FIG.
  • It is an outer surface top view of the disposable diaper of the deployment state of a 2nd embodiment.
  • It is an outer surface top view of the disposable diaper of the deployment state of a 3rd embodiment.
  • It is an outer surface top view of the disposable diaper of the deployment state of a 4th embodiment.
  • It is an outer surface top view of the disposable diaper of the deployment state of a 5th embodiment. It is a perspective view of the wearing state of a disposable diaper.
  • the disposable diaper of 1st Embodiment which can move the position of an interior body according to the wearer's sideways posture of this invention is demonstrated, referring drawings.
  • the disposable diaper is formed of an exterior body 20 having a front body F and a back body B, and an interior body 10 fixed to the inner surface of the exterior body 20 on the body surface side of the wearer. Has been.
  • the interior body 10 includes a liquid-permeable top sheet 11, a liquid-impermeable back sheet 12, and an absorbent body 13 provided between the top sheet 11 and the back sheet 12.
  • the three-dimensional gather BS is provided on both sides of the absorbent body 13 in the width direction.
  • the shape of the interior body 10 in plan view is generally formed in a substantially rectangular shape. Note that the dodds in FIGS. 3 to 5 indicate portions fixed by a hot melt adhesive or the like.
  • a porous or non-porous nonwoven fabric or a porous plastic sheet is preferable.
  • the material fibers that make up the nonwoven fabric can be synthetic fibers such as olefins such as polyethylene or polypropylene, polyesters, and polyamides, recycled fibers such as rayon and cupra, and natural fibers such as cotton.
  • a nonwoven fabric obtained by an appropriate processing method such as a spun bond method, a thermal bond method, a melt blown method, or a needle punch method can be used. Among these processing methods, the spunlace method is excellent in terms of flexibility and drapeability, and the thermal bond method is excellent in terms of being bulky and soft.
  • topsheet 11 When a large number of through holes are formed in the top sheet 11, urine and the like are quickly absorbed, and the dry touch properties are excellent.
  • the side portion of the topsheet 11 extends to the outer surface of the absorber 13 by winding the side portions of the backsheet 12 and the absorber 13.
  • a liquid-impermeable plastic sheet such as polyethylene or polypropylene is used, but in recent years, a sheet having moisture permeability is preferable from the viewpoint of preventing stuffiness.
  • the water-impervious / moisture-permeable sheet is a microporous sheet obtained by, for example, melt-kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene to form a sheet, and then stretching in a uniaxial or biaxial direction. .
  • a side portion of the back sheet 12 is folded and extends to the outer surface of the absorber 13.
  • Absorbent body 13 is a known one, for example, a pulp fiber stack, a filament aggregate such as cellulose acetate, or a non-woven fabric, mixed with a superabsorbent polymer as necessary, fixed, etc. Can be used. Moreover, the absorber 13 is packaged by a packaging sheet 14 such as a liquid-permeable crepe paper in order to prevent the superabsorbent polymer and the like from falling off.
  • the shape of the absorber 13 in plan view is formed in a substantially hourglass shape having a constricted portion 13N at the crotch portion, but may be formed in a rectangular shape or the like.
  • the size of the constricted portion 13N can be determined as appropriate, but in order to fit the wearer with the disposable diaper, the longitudinal length of the constricted portion 13N is set to 20 to 50% of the longitudinal length of the disposable diaper.
  • the narrowest width in the width direction of the constricted portion 13N is preferably 40 to 60% of the width in the width direction of the absorber 13.
  • the three-dimensional gather BS is formed on both sides of the interior body 10 in the width direction.
  • the three-dimensional gather BS is formed of a fixed portion fixed to a side portion on the outer surface of the interior body 10 and a main body portion extending from the fixed portion to the side portion of the inner surface of the interior body 10 through the side portion of the interior body 10. Yes. Further, the longitudinal front and rear end portions of the main body portion are fixed on the inner surface of the interior body 10, and the vertical intermediate portion of the main body portion is not fixed on the inner surface of the interior body 10 and stands up toward the inner surface.
  • the three-dimensional gather BS is formed from a double three-dimensional gather sheet 15 and an elongated three-dimensional gather elastic member 16 extending in the vertical direction.
  • the spunbond method in addition to synthetic fibers such as polyethylene or polypropylene such as olefin, polyester, and amide, recycled fibers such as rayon and cupra, and natural fibers such as cotton, the spunbond method, Nonwoven fabrics obtained by appropriate processing methods such as thermal bond method, melt blown method, needle punch method can be used, but in order to prevent stuffiness, nonwoven fabrics with excellent air permeability by suppressing basis weight are used. Is good.
  • a silicon-based, paraffin metal-based, alkylchromic chromoid water-repellent agent It is preferable to use a water-repellent treated non-woven fabric coated with the like.
  • the three-dimensional gathered elastic member 16 materials such as styrene rubber, olefin rubber, urethane rubber, ester rubber, polyurethane, polyethylene, polystyrene, styrene butadiene, silicon, polyester and the like that are usually used can be used.
  • the thickness is 925 dtex or less
  • the elongation is 150 to 350%
  • the interval is 10.0 mm or less. As shown by a two-dot chain line in FIG.
  • the three-dimensional gathered elastic member 16 is a tape-like member having a predetermined width in addition to a thread shape, with the three-dimensional gather BS standing up toward the inner surface by its stretching force. You can also. Further, in this specification, the elongation rate is calculated by the length at the time of elongation / the length of the natural length ⁇ 100 [%].
  • the longitudinal front and rear end portions 12 ⁇ / b> A and 12 ⁇ / b> B of the back sheet 12 of the interior body 10 are fixed to the inner surface of the inner sheet 20 ⁇ / b> A of the exterior body 20 by an adhesive such as hot melt.
  • An intermediate portion located between the front end portion 12 ⁇ / b> A and the rear end portion 12 ⁇ / b> B in the longitudinal direction of the back sheet 12 is not fixed to the inner surface of the inner sheet 20 ⁇ / b> A of the exterior body 20.
  • the center of the interior body 10 in the width direction of the absorbent body 13 is moved to the excretion position of the wearer so that the excrement can be absorbed in the entire area of the absorber 13 and the leakage of the excrement to the outside is prevented. be able to.
  • the longitudinal intermediate portion of the interior body 10 is moved downward to reduce the distance between the wearer's leg and the front end of the three-dimensional gather BS of the interior body 10 to ensure that the wearer's leg
  • the tip of the three-dimensional gather BS can be brought into contact with each other, and leakage of excrement to the outside can be prevented.
  • the front end portion 12A in the vertical direction of the back sheet 12 of the interior body 10 refers to a portion facing the front end portion in the vertical direction of the absorbent body 13 from the front end in the vertical direction of the packaging sheet 14.
  • the front end portion in the vertical direction refers to a front portion that occupies 10% of the total length of the absorbent body 13 in the vertical direction.
  • the longitudinal rear end portion 12B of the back sheet 12 of the interior body 10 refers to a portion facing the longitudinal rear end portion of the absorbent body 13 from the longitudinal rear end of the packaging sheet 14.
  • the vertical rear end portion of the absorbent body 13 refers to a rear portion that occupies 10% of the longitudinal total length of the absorbent body 13.
  • a substantially triangular notch (“first notch” in the claims) 30 ⁇ / b> A is provided on both sides in the width direction of the front portion 13 ⁇ / b> A in the longitudinal direction of the absorber 13 of the interior body 10.
  • a substantially triangular notch portion (“second notch portion” in the claims) 30B is formed on both sides in the width direction of the rear portion 13B.
  • the front part 13A in the longitudinal direction of the absorbent body 13 refers to a part of the absorbent body 13 that opposes the rear part in the longitudinal direction of the waist part T of the front body F of the exterior body 20, and the rear part 13B in the longitudinal direction of the absorbent body 13 Means a portion of the absorbent body 13 facing the front part in the longitudinal direction of the waistline T of the back body B of the exterior body 20.
  • the notches 30A and 30B can be formed in the same shape or different shapes, and the notch 30B is notched because the inner body 10 is provided biased toward the rear body B of the outer body 20. It is preferable to make the shape larger than the portion 30A.
  • the notches 30A and 30B can be formed in a semicircular arc shape or a trapezoidal shape.
  • a hook material of a mechanical fastener is preferable.
  • the hook material has a large number of engaging protrusions.
  • As the shape of the engagement protrusion there are (A) a letter shape, (B) a J shape, (C) a mushroom shape, (D) a T shape, (E) a double J shape, etc.
  • a shape may be sufficient, and it can replace with a latching
  • FIG. 8 two rectangular shapes are formed on the left and right side portions in the width direction in the portions close to the leg openings L of the exterior body 20 on both sides in the width direction of the back sheet 12 of the inner body 10.
  • a fastening member 34 having a formed locking portion is provided.
  • the back sheet 12 of the interior body 10 is provided with two colored lines 36 extending in the longitudinal direction in the longitudinal direction with a predetermined interval in the width direction.
  • the longitudinal intermediate portion of the interior body 10 is moved in the lateral direction in the width direction, that is, the longitudinal intermediate portion of the interior body 10 is moved downward. It can be easily confirmed that the position of the interior body 10 to be moved is in an appropriate position.
  • the back sheet 12 of the interior body 10 is opaque so that brown color such as defecation and urine does not appear.
  • Opacification is preferably a film formed by internally adding a pigment or filler such as calcium carbonate, titanium oxide, zinc oxide, white carbon, clay, talc, barium sulfate in a plastic.
  • the outer body 20 has a front body F facing the abdomen side of the wearer and a back body B facing the back side, which are integrally formed.
  • the width of the front body F and the back body B Both side portions in the direction are fixed to form side seal portions 21. Accordingly, as shown in FIG. 10, a waist opening for passing the wearer's torso and a pair of left and right leg openings for passing the legs are formed.
  • the exterior body 20 is formed of a waistline portion T that is a longitudinal front and rear region having side seal portions 21 and a leg opening L that connects the front and back waistline portions T. Further, the waistline portion T is conceptually formed from a waist portion W positioned at the waist opening and a waist lower portion U positioned closer to the leg opening L than the waist W.
  • the outer package 20 is formed of an inner sheet 20A and an outer sheet 20B, and is folded between the inner sheet 20A and the outer sheet 20B, and is folded to the inner surface side at the waist opening in the outer sheet 20B.
  • Elastic members 24 to 28 are provided between 20C.
  • the outer sheet 20B of the exterior body 20 may be called a back sheet.
  • the waist part W of the front body F and the back body B of the exterior body 20 is provided with a plurality of elongated waist part elastic members 24 extending in the width direction at predetermined intervals in the vertical direction
  • the waist lower part U is provided with a plurality of elongated waist lower part elastic members 25 extending in the width direction at predetermined intervals in the vertical direction
  • the leg opening L of the exterior body 20 is provided with a plurality of elongated leg opening elastic members 27 extending along the leg circumference line 29 at a predetermined interval in the width direction.
  • the front body F is provided with a plurality of elongated curved elastic members 28 extending from the side seal portion 21 along the leg circumference line 29 at a predetermined interval in the width direction.
  • B is provided with a plurality of elongated curved elastic members 26 extending from the side seal portion 21 along the leg-around line 29 with a predetermined interval in the width direction.
  • the stretch rate of the waist elastic member 24 is 160 to 320%
  • the stretch rate of the waist lower portion elastic member 25 and the leg opening elastic member 27 is 160 to 320%
  • the curved elastic members 26 and 28 are. It is preferable that the elongation ratio is 230 to 320%. Thereby, the exterior body 20 can be stuck to a wearer.
  • the front presser sheet 50 is provided and formed on the inner surface of the rear body B of the exterior body 20 from a non-woven fabric that covers the longitudinal rear part of the interior body 10 and prevents leakage from the rear part of excrement.
  • a rear presser sheet 60 is provided.
  • the front presser sheet 50 extends from the rear part of the folded part 20C of the front body F to a position overlapping the front end part of the interior body 10, and the rear presser sheet 60 is installed from the front part of the folded part 20C of the rear body B. It extends to a position overlapping the rear end of the body 10.
  • the present invention can be used for disposable diapers.

Abstract

[Problem] To provide a disposable diaper in which an inner body that has an absorber can be moved vertically in accordance with a wearer's lateral decubitus position. [Solution] The problem is solved by: forming the inner body with a liquid-permeable surface sheet provided on the body surface side, a non-liquid-permeable rear surface sheet provided on the side opposite the body, and the absorber provided between the surface sheet and the rear surface sheet; and fixing longitudinal front and back end portions of the inner body to an inner surface of an outer body, and not fixing the portion between the longitudinal front and back end portions of the inner body to the inner surface of the outer body.

Description

使い捨ておむつDisposable diapers
　本発明は、使い捨ておむつに関するものであり、特に、装着者の横向き臥位姿勢に合わせて使い捨ておむつの内装体の位置を移動させることができる使い捨ておむつに関するものである。 The present invention relates to a disposable diaper, and more particularly, to a disposable diaper that can move the position of the interior of the disposable diaper according to the lateral posture of the wearer.
　従来、装着者に使い捨ておむつを装着した状態で、装着者の体型に合わせて使い捨ておむつの装着位置を調整するために、使い捨ておむつの内装体の長手方向の一側端部を外装体のウエスト開口部を超えて延在させて外装体の後身頃の外面に係止する手段が提案されている。（特許文献１） Conventionally, with the disposable diaper attached to the wearer, in order to adjust the wearing position of the disposable diaper according to the wearer's body shape, the longitudinal side end of the interior body of the disposable diaper is connected to the waist opening of the exterior body. Means has been proposed that extends beyond the portion and engages the outer surface of the back body of the exterior body. (Patent Document 1)
　また、装着者に使い捨ておむつを容易に装着するために、使い捨ておむつの内装体の長手方向の前後部の幅方向中央部を外装体に固定して、この幅方向中央部の両側部を外装体に非固定とすることにより吸収体の両側部を容易に変形させる手段が提案されている。（特許文献２） Further, in order to easily attach the disposable diaper to the wearer, the widthwise central part of the longitudinal front and rear parts of the disposable diaper is fixed to the exterior body, and both sides of the widthwise central part are exterior body Means for easily deforming both side portions of the absorbent body by non-fixing to the body has been proposed. (Patent Document 2)
特開２０１４－１４４１２号公報Japanese Patent Application Laid-Open No. 2014-14412 特開２００８－１９４１６１号公報JP 2008-194161 A
　しかし、特許文献１の手段では、吸収体を有する内装体における装着者の股間部に対向する部位を横向き臥位姿勢に合わせて容易に上下方向に移動することができない恐れがある。 However, with the means of Patent Document 1, there is a possibility that the part facing the wearer's crotch part in the interior body having the absorbent body cannot be easily moved up and down according to the lateral position.
　また、特許文献２の手段では、吸収体の長手方向の前後部を外装体に固定するために、吸収体における外装体と非固定である股間部の前後方向長さが短いために、装着者の横向き臥位姿勢に合わせて吸収体の股間部を十分に上下方向に移動することができない恐れがある。 Further, in the means of Patent Document 2, in order to fix the longitudinal front and rear portions of the absorbent body to the exterior body, the front and rear length of the crotch portion that is not fixed to the exterior body in the absorbent body is short. There is a possibility that the crotch portion of the absorbent body cannot be sufficiently moved in the vertical direction in accordance with the laterally lying posture.
　そこで、本発明の主たる課題は、装着者の横向き臥位姿勢に合わせて吸収体を有する内装体を上下方向に移動させて***物の外部への漏れ出しを防止することができる使い捨ておむつを提供することにある。 Therefore, the main problem of the present invention is to provide a disposable diaper that can prevent the excrement from leaking out by moving the interior body having the absorbent body up and down in accordance with the lateral posture of the wearer. There is to do.
　上記課題を解決した本発明は次記のとおりである。
　請求項１に係る発明は、外装体と、前記外装体の内面に内装体を備えた使い捨ておむつにおいて、
　前記内装体を、身体面側に設けられた液透過性の表面シートと、反身体側に設けられた液不透過性の裏面シートと、前記表面シートと裏面シートの間に設けられた吸収体で形成し、前記内装体の縦方向の前後端部を外装体の内面に固定し、前記内装体の縦方向の前端部と後端部の間の部位は外装体の内面に固定しないことを特徴とする使い捨ておむつである。 The present invention that has solved the above problems is as follows.
The invention which concerns on Claim 1 is a disposable diaper provided with the exterior body and the interior body on the inner surface of the exterior body,
The interior body includes a liquid-permeable top sheet provided on the body surface side, a liquid-impermeable back sheet provided on the non-body side, and an absorber provided between the top sheet and the back sheet. The front and rear end portions of the interior body in the longitudinal direction are fixed to the inner surface of the exterior body, and the portion between the front end portion and the rear end portion in the longitudinal direction of the interior body is not secured to the inner surface of the exterior body. It is a disposable diaper.
　請求項２に係る発明は、前記内装体の前端部の前後方向の長さを吸収体の前後方向の長さの１０％以下に形成し、前記内装体の後端部の前後方向の長さを吸収体の前後方向の長さの１０％以下に形成した請求項１記載の使い捨ておむつである。 In the invention according to claim 2, the length in the front-rear direction of the front end portion of the interior body is formed to be 10% or less of the length in the front-rear direction of the absorbent body, and the length in the front-rear direction of the rear end portion of the interior body. The disposable diaper according to claim 1, wherein the length is 10% or less of the length of the absorbent body in the front-rear direction.
　請求項３に係る発明は、前記吸収体の前端部の後側近傍部の両側部に第１切欠き部を形成し、前記吸収体の後端部の前側近傍部の両側部に第２切欠き部を形成した請求項１又は２記載の使い捨ておむつである。 According to a third aspect of the present invention, first notches are formed on both sides of the rear vicinity of the front end of the absorber, and second cuts are formed on both sides of the front vicinity of the rear end of the absorber. The disposable diaper according to claim 1 or 2, wherein a notch is formed.
　請求項４に係る発明は、前記第２切欠き部を第１切欠き部よりも大きく形成した請求項３記載の使い捨ておむつである。 The invention according to claim 4 is the disposable diaper according to claim 3, wherein the second notch is formed larger than the first notch.
　請求項５に係る発明は、前記裏面シートの反身体側の幅方向の中央部に縦方向に延在する止着部を設けた請求項１～４のいずれか１項に記載の使い捨ておむつである。 The invention according to claim 5 is the disposable diaper according to any one of claims 1 to 4, wherein a fastening portion extending in the vertical direction is provided at a center portion in the width direction on the opposite side of the back sheet. is there.
　請求項６に係る発明は、前記裏面シートの反身体側おける外装体の脚開口部に近接する部位に止着部を設けた請求項１～４のいずれか１項に記載の使い捨ておむつである。 The invention according to claim 6 is the disposable diaper according to any one of claims 1 to 4, wherein a fastening portion is provided in a portion adjacent to the leg opening of the exterior body on the opposite body side of the back sheet. .
　請求項７に係る発明は、前記裏面シートの反身体側に幅方向に所定の間隔を隔てて縦方向に延在する外部から視認できる色つきラインを設けた請求項１～６のいずれか１項に記載の使い捨ておむつである。 The invention according to claim 7 is provided with a colored line that extends in the longitudinal direction at a predetermined interval in the width direction on the opposite side of the back sheet, and is visible from the outside. It is a disposable diaper described in the item.
　請求項１記載の発明によれば、内装体を、身体面側に設けられた液透過性の表面シートと、反身体側に設けられた液不透過性の裏面シートと、表面シートと裏面シートの間に設けられた吸収体で形成し、内装体の縦方向の前後端部を外装体の内面に固定し、内装体の縦方向の前端部と後端部の間の部位は外装体の内面に固定しないので、装着者が横向き臥位姿勢を取った場合は、内装体の縦方向の前端部と後端部の間の部位を下側方向に移動させて吸収体の全域で***物を吸収することができる。 According to the first aspect of the present invention, the interior body includes a liquid-permeable top sheet provided on the body surface side, a liquid-impermeable back sheet provided on the non-body side, the top sheet, and the back sheet. The front and rear end portions in the longitudinal direction of the interior body are fixed to the inner surface of the exterior body, and the portion between the front end portion and the rear end portion in the longitudinal direction of the interior body is a part of the exterior body. Since it is not fixed to the inner surface, when the wearer takes a lateral position, excrement is caused by moving the region between the front end and the rear end in the vertical direction of the interior body in the lower direction, and in the entire area of the absorber. Can be absorbed.
　請求項２記載の発明によれば、請求項１記載の発明による効果に加えて、内装体の前端部の前後方向の長さを吸収体の前後方向の長さの１０％以下に形成し、内装体の後端部の前後方向の長さを吸収体の前後方向の長さの１０％以下に形成したので、装着者が横向き臥位姿勢を取った場合は、内装体の縦方向の前端部と後端部の間の部位を下側方向に移動させて吸収体の幅方向の中心部を装着者の***位置に移動させることができる。 According to the invention of claim 2, in addition to the effect of the invention of claim 1, the length in the front-rear direction of the front end portion of the interior body is formed to be 10% or less of the length in the front-rear direction of the absorber, Since the length of the rear end of the interior body in the front-rear direction is 10% or less of the length of the absorbent body in the front-rear direction, the front end of the interior body in the longitudinal direction when the wearer takes a horizontal position The center part of the width direction of an absorber can be moved to a wearer's excretion position by moving the site | part between a part and a rear-end part to a downward direction.
　請求項３記載の発明によれば、請求項１又は２記載の発明による効果に加えて、吸収体の前端部の後側近傍部の両側部に第１切欠き部を形成し、吸収体の後端部の前側近傍部の両側部に第２切欠き部を形成したので、装着者が横向き臥位姿勢を取った場合は、内装体の縦方向の前端部と後端部の間の部位を下側方向に容易に移動させることができる。 According to the invention of claim 3, in addition to the effect of the invention of claim 1 or 2, the first notch is formed on both sides of the rear vicinity of the front end of the absorber, Since the second notch portions are formed on both sides of the front side vicinity of the rear end portion, when the wearer takes a sideways posture, the portion between the front end portion and the rear end portion in the vertical direction of the interior body Can be easily moved downward.
　請求項４記載の発明によれば、請求項３記載の発明による効果に加えて、第２切欠き部を第１切欠き部よりも大きく形成したので、外装体の後身頃に偏倚して設けられた吸収体の後部を下側方向に容易、且つ大きく移動させることができる。 According to the invention described in claim 4, in addition to the effect of the invention described in claim 3, the second notch is formed larger than the first notch, so that it is provided biased to the back body of the exterior body. The rear part of the absorbent body thus obtained can be easily and greatly moved downward.
　請求項５記載の発明によれば、請求項１～４のいずれか１項に記載の発明による効果に加えて、裏面シートの反身体側の幅方向の中央部に縦方向に延在する止着部を設けたので、内装体の縦方向の前端部と後端部の間の部位を下側方向に移動させた吸収体の状態を維持することができる。 According to the invention described in claim 5, in addition to the effect of the invention described in any one of claims 1 to 4, a stop extending in the longitudinal direction at the center in the width direction on the opposite side of the back sheet. Since the wearing part is provided, the state of the absorbent body in which the part between the front end part and the rear end part in the vertical direction of the interior body is moved downward can be maintained.
　請求項６記載の発明によれば、請求項１～４のいずれか１項に記載の発明による効果に加えて、裏面シートの反身体側おける外装体の脚開口部に近接する部位に止着部を設けたので、内装体の縦方向の前端部と後端部の間の部位を下側方向に移動させた吸収体の状態を維持することができる。 According to the invention described in claim 6, in addition to the effect of the invention described in any one of claims 1 to 4, it is fixed to a part close to the leg opening of the exterior body on the side opposite to the back sheet. Since the portion is provided, it is possible to maintain the state of the absorber in which the portion between the front end portion and the rear end portion in the vertical direction of the interior body is moved downward.
　請求項７記載の発明によれば、請求項１～６のいずれか１項に記載の発明による効果に加えて、裏面シートの反身体側に幅方向に所定の間隔を隔てて縦方向に延在する外部から視認できる色つきラインを設けたので、内装体の縦方向の前端部と後端部の間の部位を下側方向に移動させた吸収体の位置が適切な位置にあることを容易に確認することができる。 According to the invention described in claim 7, in addition to the effect of the invention described in any one of claims 1 to 6, it extends in the longitudinal direction at a predetermined interval in the width direction on the opposite side of the back sheet. Since the colored line that can be visually recognized from the outside is provided, the position of the absorber that moved the part between the front end portion and the rear end portion in the vertical direction of the interior body in the lower direction is in an appropriate position. It can be easily confirmed.
第１実施形態の展開状態の使い捨ておむつの内面平面図である。It is an inner surface top view of the disposable diaper of the deployment state of a 1st embodiment. 第１実施形態の展開状態の使い捨ておむつの外面平面図である。It is an outer surface top view of the disposable diaper of the deployment state of a 1st embodiment. 図１のＣ－Ｃ断面図である。FIG. 2 is a CC cross-sectional view of FIG. 図１のＡ－Ａ断面図である。FIG. 2 is a cross-sectional view taken along the line AA in FIG. 図１のＢ－Ｂ断面図である。FIG. 3 is a cross-sectional view taken along the line BB in FIG. 第２実施形態の展開状態の使い捨ておむつの外面平面図である。It is an outer surface top view of the disposable diaper of the deployment state of a 2nd embodiment. 第３実施形態の展開状態の使い捨ておむつの外面平面図である。It is an outer surface top view of the disposable diaper of the deployment state of a 3rd embodiment. 第４実施形態の展開状態の使い捨ておむつの外面平面図である。It is an outer surface top view of the disposable diaper of the deployment state of a 4th embodiment. 第５実施形態の展開状態の使い捨ておむつの外面平面図である。It is an outer surface top view of the disposable diaper of the deployment state of a 5th embodiment. 使い捨ておむつの装着状態の斜視図である。It is a perspective view of the wearing state of a disposable diaper.
　＜第１実施形態の使い捨ておむつ＞
　本発明の装着者の横向き臥位姿勢に合わせて内装体の位置を移動させることができる第１実施形態の使い捨ておむつについて図面を参照しながら説明する。図１，２に示すように、使い捨ておむつは、前身頃Ｆと後身頃Ｂを有する外装体２０と、外装体２０の装着者の身体面側に位置する内面に固定された内装体１０から形成されている。 <Disposable diaper according to the first embodiment>
The disposable diaper of 1st Embodiment which can move the position of an interior body according to the wearer's sideways posture of this invention is demonstrated, referring drawings. As shown in FIGS. 1 and 2, the disposable diaper is formed of an exterior body 20 having a front body F and a back body B, and an interior body 10 fixed to the inner surface of the exterior body 20 on the body surface side of the wearer. Has been.
　（内装体）
　図３～５に示すように、内装体１０は、液透過性の表面シート１１と、液不透過性の裏面シート１２と、表面シート１１と裏面シート１２の間に設けられた吸収体１３と、吸収体１３の幅方向の両側部に設けられた立体ギャザーＢＳから形成されている。また、平面視における内装体１０の形状は、一般的に略長方形形状に形成されている。なお、図３～５のドッドは、ホットメルト接着剤等により固定させた部位を示している。 (Interior body)
As shown in FIGS. 3 to 5, the interior body 10 includes a liquid-permeable top sheet 11, a liquid-impermeable back sheet 12, and an absorbent body 13 provided between the top sheet 11 and the back sheet 12. The three-dimensional gather BS is provided on both sides of the absorbent body 13 in the width direction. Moreover, the shape of the interior body 10 in plan view is generally formed in a substantially rectangular shape. Note that the dodds in FIGS. 3 to 5 indicate portions fixed by a hot melt adhesive or the like.
　表面シート１１としては、有孔または無孔の不織布や多孔性プラスチックシート等が好ましい。不織布を構成する素材繊維は、ポリエチレンまたはポリプロピレン等のオレフィン系、ポリエステル系、ポリアミド系等の合成繊維の他、レーヨンやキュプラ等の再生繊維、綿等の天然繊維とすることができ、スパンレース法、スパンボンド法、サーマルボンド法、メルトブローン法、ニードルパンチ法等の適宜の加工法によって得られた不織布を用いることができる。これらの加工法の内、スパンレース法は柔軟性、ドレープ性に富む点で優れ、サーマルボンド法は嵩高でソフトである点で優れている。表面シート１１に多数の透孔を形成した場合には、尿等が速やかに吸収されるようになり、ドライタッチ性に優れたものとなる。表面シート１１の側部は、裏面シート１２と吸収体１３の側部を巻込んで吸収体１３の外面まで延在している。 As the surface sheet 11, a porous or non-porous nonwoven fabric or a porous plastic sheet is preferable. The material fibers that make up the nonwoven fabric can be synthetic fibers such as olefins such as polyethylene or polypropylene, polyesters, and polyamides, recycled fibers such as rayon and cupra, and natural fibers such as cotton. A nonwoven fabric obtained by an appropriate processing method such as a spun bond method, a thermal bond method, a melt blown method, or a needle punch method can be used. Among these processing methods, the spunlace method is excellent in terms of flexibility and drapeability, and the thermal bond method is excellent in terms of being bulky and soft. When a large number of through holes are formed in the top sheet 11, urine and the like are quickly absorbed, and the dry touch properties are excellent. The side portion of the topsheet 11 extends to the outer surface of the absorber 13 by winding the side portions of the backsheet 12 and the absorber 13.
　裏面シート１２としては、ポリエチレンまたはポリプロピレン等の液不透過性プラスチックシートが用いられるが、近年はムレ防止の点から透湿性を有するものが好ましい。遮水・透湿性シートは、たとえばポリエチレンやポリプロピレン等のオレフィン樹脂中に無機充填材を溶融混練してシートを形成した後、一軸または二軸方向に延伸することにより得られる微多孔性シートである。裏面シート１２の側部は、折り返されて吸収体１３の外面まで延在している。 As the back sheet 12, a liquid-impermeable plastic sheet such as polyethylene or polypropylene is used, but in recent years, a sheet having moisture permeability is preferable from the viewpoint of preventing stuffiness. The water-impervious / moisture-permeable sheet is a microporous sheet obtained by, for example, melt-kneading an inorganic filler in an olefin resin such as polyethylene or polypropylene to form a sheet, and then stretching in a uniaxial or biaxial direction. . A side portion of the back sheet 12 is folded and extends to the outer surface of the absorber 13.
　吸収体１３としては、公知のもの、例えばパルプ繊維の積繊体、セルロースアセテート等のフィラメントの集合体、あるいは不織布を基本とし、必要に応じて高吸収性ポリマーを混合、固着等してなるものを用いることができる。また、吸収体１３は、高吸収性ポリマー等の脱落を防止するために、液透過性のクレープ紙等の包装シート１４によって包装されている。 Absorbent body 13 is a known one, for example, a pulp fiber stack, a filament aggregate such as cellulose acetate, or a non-woven fabric, mixed with a superabsorbent polymer as necessary, fixed, etc. Can be used. Moreover, the absorber 13 is packaged by a packaging sheet 14 such as a liquid-permeable crepe paper in order to prevent the superabsorbent polymer and the like from falling off.
　平面視における吸収体１３の形状は、股間部に括れ部分１３Ｎを有する略砂時計形状に形成されているが、長方形状等に形成することもできる。括れ部分１３Ｎの寸法は、適宜定めることができるが、装着者に使い捨ておむつをフィットさせるために、括れ部分１３Ｎの縦方向の長さを使い捨ておむつの縦方向の長さの２０～５０％にして、括れ部分１３Ｎの幅方向の最狭幅を吸収体１３の幅方向の幅の４０～６０％にするのが好ましい。 The shape of the absorber 13 in plan view is formed in a substantially hourglass shape having a constricted portion 13N at the crotch portion, but may be formed in a rectangular shape or the like. The size of the constricted portion 13N can be determined as appropriate, but in order to fit the wearer with the disposable diaper, the longitudinal length of the constricted portion 13N is set to 20 to 50% of the longitudinal length of the disposable diaper. The narrowest width in the width direction of the constricted portion 13N is preferably 40 to 60% of the width in the width direction of the absorber 13.
　立体ギャザーＢＳは、内装体１０の幅方向の両側部に形成されている。立体ギャザーＢＳは、内装体１０の外面の側部に固定された固定部と、固定部から内装体１０の側部を経て内装体１０の内面の側部まで延在する本体部から形成されている。また、本体部の縦方向の前後端部は、内装体１０の内面上に固定され、本体部の縦方向の中間部は、内装体１０の内面上に固定されず内面に向かって起立する。立体ギャザーＢＳは、２重の立体ギャザーシート１５と縦方向に延在する細長状の立体ギャザー弾性部材１６から形成されている。 The three-dimensional gather BS is formed on both sides of the interior body 10 in the width direction. The three-dimensional gather BS is formed of a fixed portion fixed to a side portion on the outer surface of the interior body 10 and a main body portion extending from the fixed portion to the side portion of the inner surface of the interior body 10 through the side portion of the interior body 10. Yes. Further, the longitudinal front and rear end portions of the main body portion are fixed on the inner surface of the interior body 10, and the vertical intermediate portion of the main body portion is not fixed on the inner surface of the interior body 10 and stands up toward the inner surface. The three-dimensional gather BS is formed from a double three-dimensional gather sheet 15 and an elongated three-dimensional gather elastic member 16 extending in the vertical direction.
　立体ギャザーシート１５としては、ポリエチレンまたはポリプロピレン等のオレフィン系、ポリエステル系、アミド系等の合成繊維の他、レーヨンやキュプラ等の再生繊維、綿等の天然繊維とすることができ、スパンボンド法、サーマルボンド法、メルトブローン法、ニードルパンチ法等の適宜の加工方法に得られた不織布を用いることができるが、特にはムレを防止するために坪量を抑えて通気性に優れた不織布を用いるのがよい。さらに立体ギャザーシート１５については、尿等の透過を防止するとともに、カブレを防止しかつ肌への感触性（ドライ感）を高めるために、シリコン系、パラフィン金属系、アルキルクロミッククロイド系撥水剤等をコーティングした撥水処理不織布を用いるのが好ましい。 As the three-dimensional gather sheet 15, in addition to synthetic fibers such as polyethylene or polypropylene such as olefin, polyester, and amide, recycled fibers such as rayon and cupra, and natural fibers such as cotton, the spunbond method, Nonwoven fabrics obtained by appropriate processing methods such as thermal bond method, melt blown method, needle punch method can be used, but in order to prevent stuffiness, nonwoven fabrics with excellent air permeability by suppressing basis weight are used. Is good. Furthermore, for the three-dimensional gather sheet 15, in order to prevent the transmission of urine and the like, to prevent fogging and to improve the touch to the skin (dry feeling), a silicon-based, paraffin metal-based, alkylchromic chromoid water-repellent agent It is preferable to use a water-repellent treated non-woven fabric coated with the like.
　立体ギャザー弾性部材１６としては、通常使用されるスチレン系ゴム、オレフィン系ゴム、ウレタン系ゴム、エステル系ゴム、ポリウレタン、ポリエチレン、ポリスチレン、スチレンブタジエン、シリコン、ポリエステル等の素材を用いることができる。また、外側から見え難くするために、太さは９２５ｄｔｅｘ以下、伸長率は１５０～３５０％、間隔は１０．０ｍｍ以下とするのが好ましい。なお、図４に二点鎖線で示すように、立体ギャザー弾性部材１６は、その伸縮力によって立体ギャザーＢＳを内面に向かって起立させ、糸状の他、所定の幅を有するテープ状のものを用いることもできる。また、本明細書においては、伸長率は、伸長時の長さ／自然長の長さ・１００[％]で算出している。 As the three-dimensional gathered elastic member 16, materials such as styrene rubber, olefin rubber, urethane rubber, ester rubber, polyurethane, polyethylene, polystyrene, styrene butadiene, silicon, polyester and the like that are usually used can be used. In order to make it difficult to see from the outside, it is preferable that the thickness is 925 dtex or less, the elongation is 150 to 350%, and the interval is 10.0 mm or less. As shown by a two-dot chain line in FIG. 4, the three-dimensional gathered elastic member 16 is a tape-like member having a predetermined width in addition to a thread shape, with the three-dimensional gather BS standing up toward the inner surface by its stretching force. You can also. Further, in this specification, the elongation rate is calculated by the length at the time of elongation / the length of the natural length · 100 [%].
　図２に示すように、内装体１０の裏面シート１２の縦方向の前後端部１２Ａ，１２Ｂは、外装体２０の内側シート２０Ａの内面にホットメルト等の接着剤によって固定され、内装体１０の裏面シート１２の縦方向の前端部１２Ａと後端部１２Ｂの間に位置する中間部は、外装体２０の内側シート２０Ａの内面に固定されていない。これにより、装着者が横向き臥位姿勢を取った場合には、内装体１０の縦方向の中間部を幅方向の左右方向に移動、すなわち、内装体１０の縦方向の中間部を下側方向に移動させて、内装体１０の吸収体１３の幅方向の中心部を装着者の***位置に移動させて吸収体１３の全域で***物を吸収でき***物の外部への漏れ出しを防止することができる。また、内装体１０の縦方向の中間部を下側方向に移動させて、装着者の脚部と内装体１０の立体ギャザーＢＳの先端部の間隔を小さくして装着者の脚部に確実に立体ギャザーＢＳの先端部を当接させることができ***物の外部への漏れ出しを防止することができる。 As shown in FIG. 2, the longitudinal front and rear end portions 12 </ b> A and 12 </ b> B of the back sheet 12 of the interior body 10 are fixed to the inner surface of the inner sheet 20 </ b> A of the exterior body 20 by an adhesive such as hot melt. An intermediate portion located between the front end portion 12 </ b> A and the rear end portion 12 </ b> B in the longitudinal direction of the back sheet 12 is not fixed to the inner surface of the inner sheet 20 </ b> A of the exterior body 20. Thereby, when the wearer takes a horizontal position, the longitudinal intermediate portion of the interior body 10 is moved in the left-right direction in the width direction, that is, the longitudinal intermediate portion of the interior body 10 is moved downward. The center of the interior body 10 in the width direction of the absorbent body 13 is moved to the excretion position of the wearer so that the excrement can be absorbed in the entire area of the absorber 13 and the leakage of the excrement to the outside is prevented. be able to. In addition, the longitudinal intermediate portion of the interior body 10 is moved downward to reduce the distance between the wearer's leg and the front end of the three-dimensional gather BS of the interior body 10 to ensure that the wearer's leg The tip of the three-dimensional gather BS can be brought into contact with each other, and leakage of excrement to the outside can be prevented.
　内装体１０の裏面シート１２の縦方向の前端部１２Ａは、包装シート１４の縦方向の前端から吸収体１３の縦方向の前端部に対向する部位をいい、本明細書においては吸収体１３の縦方向の前端部とは、吸収体１３の縦方向の全長の１０％を占める前部部位をいうものとする。 The front end portion 12A in the vertical direction of the back sheet 12 of the interior body 10 refers to a portion facing the front end portion in the vertical direction of the absorbent body 13 from the front end in the vertical direction of the packaging sheet 14. The front end portion in the vertical direction refers to a front portion that occupies 10% of the total length of the absorbent body 13 in the vertical direction.
　また、内装体１０の裏面シート１２の縦方向の後端部１２Ｂは、包装シート１４の縦方向の後端から吸収体１３の縦方向の後端部に対向する部位をいい、本明細書においては吸収体１３の縦方向の後端部とは、吸収体１３の縦方向の全長の１０％を占める後部部位をいうものとする。 Further, the longitudinal rear end portion 12B of the back sheet 12 of the interior body 10 refers to a portion facing the longitudinal rear end portion of the absorbent body 13 from the longitudinal rear end of the packaging sheet 14. The vertical rear end portion of the absorbent body 13 refers to a rear portion that occupies 10% of the longitudinal total length of the absorbent body 13.
　＜第２実施形態の使い捨ておむつ＞
　本発明の第２実施形態の使い捨ておむつについて図６を参照しながら説明する。なお、図６には、第２実施形態の使い捨ておむつを理解しやすくするために、外装体２０のウエスト部弾性部材２４等の図示を省略している。また、第１実施形態の使い捨ておむつと同一部材には同一符号を付して説明を省略する。 <Disposable diaper according to the second embodiment>
The disposable diaper of 2nd Embodiment of this invention is demonstrated referring FIG. In addition, in order to make it easy to understand the disposable diaper of 2nd Embodiment, illustration of the waist part elastic member 24 grade | etc., Of the exterior body 20 is abbreviate | omitted in FIG. Moreover, the same code | symbol is attached | subjected to the same member as the disposable diaper of 1st Embodiment, and description is abbreviate | omitted.
　図６に示すように、内装体１０の吸収体１３の縦方向の前部１３Ａの幅方向の両側部には、略三角形形状の切欠き部（請求項における「第１切欠き部」）３０Ａが形成され、後部１３Ｂの幅方向の両側部には、略三角形形状の切欠き部（請求項における「第２切欠き部」）３０Ｂが形成されている。これにより、装着者が横向き臥位姿勢を取った場合に、内装体１０の縦方向の中間部を幅方向の左右方向に容易に移動、すなわち、内装体１０の縦方向の中間部を下側方向に容易に移動させることができる。 As shown in FIG. 6, a substantially triangular notch (“first notch” in the claims) 30 </ b> A is provided on both sides in the width direction of the front portion 13 </ b> A in the longitudinal direction of the absorber 13 of the interior body 10. A substantially triangular notch portion (“second notch portion” in the claims) 30B is formed on both sides in the width direction of the rear portion 13B. Thereby, when the wearer takes a horizontal position, the middle part in the longitudinal direction of the interior body 10 is easily moved in the left-right direction in the width direction, that is, the middle part in the longitudinal direction of the interior body 10 is moved downward. It can be easily moved in the direction.
　吸収体１３の縦方向の前部１３Ａとは、吸収体１３における外装体２０の前身頃Ｆの胴回り部Ｔの縦方向の後部に対向する部位をいい、吸収体１３の縦方向の後部１３Ｂとは、吸収体１３における外装体２０の後身頃Ｂの胴回り部Ｔの縦方向の前部に対向する部位をいう。 The front part 13A in the longitudinal direction of the absorbent body 13 refers to a part of the absorbent body 13 that opposes the rear part in the longitudinal direction of the waist part T of the front body F of the exterior body 20, and the rear part 13B in the longitudinal direction of the absorbent body 13 Means a portion of the absorbent body 13 facing the front part in the longitudinal direction of the waistline T of the back body B of the exterior body 20.
　切欠き部３０Ａ，３０Ｂは、同一形状、異形形状に形成することができ、内装体１０が外装体２０の後身頃Ｂに向かって偏倚して設けられているために切欠き部３０Ｂを切欠き部３０Ａよりも大きな形状にするのが好ましい。なお、切欠き部３０Ａ，３０Ｂの形状は、半円弧形状、台形形状に形成することもできる。 The notches 30A and 30B can be formed in the same shape or different shapes, and the notch 30B is notched because the inner body 10 is provided biased toward the rear body B of the outer body 20. It is preferable to make the shape larger than the portion 30A. The notches 30A and 30B can be formed in a semicircular arc shape or a trapezoidal shape.
　＜第３実施形態の使い捨ておむつ＞
　本発明の第３実施形態の使い捨ておむつについて図７を参照しながら説明する。なお、図７には、第３実施形態の使い捨ておむつを理解しやすくするために、外装体２０のウエスト部弾性部材２４等の図示を省略している。また、第１実施形態の使い捨ておむつと同一部材には同一符号を付して説明を省略する。 <Disposable diaper according to the third embodiment>
The disposable diaper of 3rd Embodiment of this invention is demonstrated referring FIG. In addition, in order to make it easy to understand the disposable diaper of 3rd Embodiment, illustration of the waist part elastic member 24 grade | etc., Of the exterior body 20 is abbreviate | omitted in FIG. Moreover, the same code | symbol is attached | subjected to the same member as the disposable diaper of 1st Embodiment, and description is abbreviate | omitted.
　図７に示すように、内装体１０の裏面シート１２の縦方向と幅方向の中央部には、内装体１０を外装体２０の内側シート２０Ａに係止する縦方向の前後方向に延在する係止部を有する止着部材３２が設けられている。これにより、装着者が横向き臥位姿勢を取った場合に、内装体１０の縦方向の中間部を幅方向の左右方向に移動、すなわち、内装体１０の縦方向の中間部を下側方向に移動させた内装体１０の移動状態を維持することができる。 As shown in FIG. 7, at the center in the longitudinal direction and the width direction of the back sheet 12 of the interior body 10, it extends in the longitudinal front-rear direction in which the interior body 10 is locked to the inner sheet 20 </ b> A of the exterior body 20. A fastening member 32 having a locking portion is provided. As a result, when the wearer takes a lateral position, the longitudinal intermediate portion of the interior body 10 is moved in the lateral direction in the width direction, that is, the longitudinal intermediate portion of the interior body 10 is moved downward. The moving state of the moved interior body 10 can be maintained.
　係止部としては、メカニカルファスナーのフック材が好ましい。フック材は、多数の係合突起を有する。係合突起の形状としては、（Ａ）レ字状、（Ｂ）Ｊ字状、（Ｃ）マッシュルーム状、（Ｄ）Ｔ字状、（Ｅ）ダブルＪ字状等が存在するが、いずれの形状であっても良く、また、係止部に替えて粘着部を設けることもできる。 As the locking portion, a hook material of a mechanical fastener is preferable. The hook material has a large number of engaging protrusions. As the shape of the engagement protrusion, there are (A) a letter shape, (B) a J shape, (C) a mushroom shape, (D) a T shape, (E) a double J shape, etc. A shape may be sufficient, and it can replace with a latching | locking part and can also provide an adhesion part.
　＜第４実施形態の使い捨ておむつ＞
　本発明の第４実施形態の使い捨ておむつについて図８を参照しながら説明する。なお、図８には、第４実施形態の使い捨ておむつを理解しやすくするために、外装体２０のウエスト部弾性部材２４等の図示を省略している。また、第１実施形態の使い捨ておむつと同一部材には同一符号を付して説明を省略する。 <Disposable diaper according to the fourth embodiment>
The disposable diaper of 4th Embodiment of this invention is demonstrated referring FIG. In addition, in order to make it easy to understand the disposable diaper of 4th Embodiment, illustration of the waist part elastic member 24 etc. of the exterior body 20 is abbreviate | omitted in FIG. Moreover, the same code | symbol is attached | subjected to the same member as the disposable diaper of 1st Embodiment, and description is abbreviate | omitted.
　図８に示すように、内装体１０の裏面シート１２の幅方向の両側部における外装体２０の脚開口部Ｌに近接する部位には、幅方向の左右側部にそれぞれ２個の矩形形状に形成された係止部を有する止着部材３４が設けられている。これにより、装着者が横向き臥位姿勢を取った場合に、内装体１０の縦方向の中間部を幅方向の左右方向に移動、すなわち、内装体１０の縦方向の中間部を下側方向に移動させた内装体１０の移動状態を維持することができ、また、内装体１０の立体ギャザーＢＳの先端部を装着者の脚部により確実に当接させることができる。 As shown in FIG. 8, two rectangular shapes are formed on the left and right side portions in the width direction in the portions close to the leg openings L of the exterior body 20 on both sides in the width direction of the back sheet 12 of the inner body 10. A fastening member 34 having a formed locking portion is provided. As a result, when the wearer takes a lateral position, the longitudinal intermediate portion of the interior body 10 is moved in the lateral direction in the width direction, that is, the longitudinal intermediate portion of the interior body 10 is moved downward. The moving state of the moved interior body 10 can be maintained, and the tip of the three-dimensional gather BS of the interior body 10 can be reliably brought into contact with the leg of the wearer.
　＜第５実施形態の使い捨ておむつ＞
　本発明の第５実施形態の使い捨ておむつについて図９を参照しながら説明する。なお、図９には、第５実施形態の使い捨ておむつを理解しやすくするために、外装体２０のウエスト部弾性部材２４等の図示を省略している。また、第１実施形態の使い捨ておむつと同一部材には同一符号を付して説明を省略する。 <Disposable diaper according to the fifth embodiment>
The disposable diaper of 5th Embodiment of this invention is demonstrated referring FIG. In addition, in order to make it easy to understand the disposable diaper of 5th Embodiment, illustration of the waist part elastic member 24 of the exterior body 20, etc. is abbreviate | omitted in FIG. Moreover, the same code | symbol is attached | subjected to the same member as the disposable diaper of 1st Embodiment, and description is abbreviate | omitted.
　図９に示すように、内装体１０の裏面シート１２には、幅方向に所定の間隔を隔てて縦方向の前後方向に延在する２本の色付きライン３６が設けられている。これにより、装着者が横向き臥位姿勢を取った場合に、内装体１０の縦方向の中間部を幅方向の左右方向に移動、すなわち、内装体１０の縦方向の中間部を下側方向に移動させる内装体１０の位置が適切な位置にあることを容易に確認することができる。なお、内装体１０の裏面シート１２は、排便や尿等の褐色が出ないように不透明のものを用いるのが好ましい。不透明化としては、プラスチック中に、炭酸カルシウム、酸化チタン、酸化亜鉛、ホワイトカーボン、クレイ、タルク、硫酸バリウム等の顔料や充填材を内添してフィルム化したものが好ましい。 As shown in FIG. 9, the back sheet 12 of the interior body 10 is provided with two colored lines 36 extending in the longitudinal direction in the longitudinal direction with a predetermined interval in the width direction. As a result, when the wearer takes a lateral position, the longitudinal intermediate portion of the interior body 10 is moved in the lateral direction in the width direction, that is, the longitudinal intermediate portion of the interior body 10 is moved downward. It can be easily confirmed that the position of the interior body 10 to be moved is in an appropriate position. In addition, it is preferable that the back sheet 12 of the interior body 10 is opaque so that brown color such as defecation and urine does not appear. Opacification is preferably a film formed by internally adding a pigment or filler such as calcium carbonate, titanium oxide, zinc oxide, white carbon, clay, talc, barium sulfate in a plastic.
　（外装体）
　図１，２に示すように、外装体２０は、装着者の腹側に対向する前身頃Ｆと背側に対向する後身頃Ｂが一体的に形成され、前身頃Ｆと後身頃Ｂの幅方向の両側部は固定されサイドシール部２１を形成する。これにより、図１０に示すように、装着者の胴を通すためのウエスト開口と脚を通すための左右一対の脚開口が形成されている。 (Exterior body)
As shown in FIGS. 1 and 2, the outer body 20 has a front body F facing the abdomen side of the wearer and a back body B facing the back side, which are integrally formed. The width of the front body F and the back body B Both side portions in the direction are fixed to form side seal portions 21. Accordingly, as shown in FIG. 10, a waist opening for passing the wearer's torso and a pair of left and right leg openings for passing the legs are formed.
　外装体２０は、サイドシール部２１を有する縦方向の前後領域である胴周り部Ｔと、前後の胴周り部Ｔを連結する脚開口部Ｌから形成されている。また、胴周り部Ｔは、概念的にウエスト開口部に位置するウエスト部Ｗと、ウエスト部Ｗよりも脚開口部Ｌ側に位置するウエスト下方部Ｕから形成されている。 The exterior body 20 is formed of a waistline portion T that is a longitudinal front and rear region having side seal portions 21 and a leg opening L that connects the front and back waistline portions T. Further, the waistline portion T is conceptually formed from a waist portion W positioned at the waist opening and a waist lower portion U positioned closer to the leg opening L than the waist W.
　図３～５に示すように、外装体２０は、内側シート２０Ａと外側シート２０Ｂから形成され、内側シート２０Ａと外側シート２０Ｂの間、外側シート２０Ｂにおけるウエスト開口部で内面側に折り返した折り返し部２０Ｃの間には、弾性部材２４～２８が設けられている。また、平面視において外装体２０の幅方向の両側部には、脚開口を形成する凹状の脚周りライン２９に沿って切断されて略砂時計形状に形成されている。なお、内側シート２０Ａと外側シート２０Ｂとしては、表面シート１１と同様に不織布で形成するのが好ましい。なお、外装体２０の外側シート２０Ｂは、バックシートと呼ばれることがある。 As shown in FIGS. 3 to 5, the outer package 20 is formed of an inner sheet 20A and an outer sheet 20B, and is folded between the inner sheet 20A and the outer sheet 20B, and is folded to the inner surface side at the waist opening in the outer sheet 20B. Elastic members 24 to 28 are provided between 20C. Moreover, it cut | disconnected along the concave leg periphery line 29 which forms a leg opening in the both sides of the width direction of the exterior body 20 in planar view, and is formed in the substantially hourglass shape. In addition, it is preferable to form the inner sheet 20A and the outer sheet 20B with a non-woven fabric similarly to the top sheet 11. The outer sheet 20B of the exterior body 20 may be called a back sheet.
　外装体２０の前身頃Ｆと後身頃Ｂのウエスト部Ｗには、縦方向に所定の間隔を隔てて幅方向に延在する複数の細長状のウエスト部弾性部材２４が設けられ、ウエスト下方部Ｕには、縦方向に所定の間隔を隔てて幅方向に延在する複数の細長状のウエスト下方部弾性部材２５が設けられている。また、外装体２０の脚開口部Ｌには、幅方向に所定の間隔を隔てて脚周りライン２９に沿って延在する複数の細長状の脚開口部弾性部材２７が設けられ、外装体２０の前身頃Ｆには、幅方向に所定の間隔を隔ててサイドシール部２１から脚周りライン２９に沿って延在する複数の細長状の湾曲弾性部材２８が設けられ、外装体２０の後身頃Ｂには、幅方向に所定の間隔を隔ててサイドシール部２１から脚周りライン２９に沿って延在する複数の細長状の湾曲弾性部材２６が設けられている。 The waist part W of the front body F and the back body B of the exterior body 20 is provided with a plurality of elongated waist part elastic members 24 extending in the width direction at predetermined intervals in the vertical direction, and the waist lower part U is provided with a plurality of elongated waist lower part elastic members 25 extending in the width direction at predetermined intervals in the vertical direction. In addition, the leg opening L of the exterior body 20 is provided with a plurality of elongated leg opening elastic members 27 extending along the leg circumference line 29 at a predetermined interval in the width direction. The front body F is provided with a plurality of elongated curved elastic members 28 extending from the side seal portion 21 along the leg circumference line 29 at a predetermined interval in the width direction. B is provided with a plurality of elongated curved elastic members 26 extending from the side seal portion 21 along the leg-around line 29 with a predetermined interval in the width direction.
　成人用の使い捨ておむつの場合、ウエスト部弾性部材２４の伸長率は１６０～３２０％、ウエスト下方部弾性部材２５と脚開口部弾性部材２７の伸長率は１６０～３２０％、湾曲弾性部材２６，２８の伸長率は２３０～３２０％にすることが好ましい。これにより、外装体２０を装着者に密着させることができる。 In the case of an adult disposable diaper, the stretch rate of the waist elastic member 24 is 160 to 320%, the stretch rate of the waist lower portion elastic member 25 and the leg opening elastic member 27 is 160 to 320%, and the curved elastic members 26 and 28 are. It is preferable that the elongation ratio is 230 to 320%. Thereby, the exterior body 20 can be stuck to a wearer.
　図１等に示すように、外装体２０の前身頃Ｆの内面上には、内装体１０の縦方向の前部を覆って、***物の前部からの漏れ出しを防止する不織布から形成された前押えシート５０が設けられ、外装体２０の後身頃Ｂの内面上には、内装体１０の縦方向の後部を覆って、***物の後部からの漏れ出しを防止する不織布から形成された後押えシート６０が設けられている。なお、前押えシート５０は、前身頃Ｆの折り返し部２０Ｃの後部から内装体１０の前端部と重なる位置まで延在し、後押えシート６０は、後身頃Ｂの折り返し部２０Ｃの前部から内装体１０の後端部と重なる位置まで延在している。　 As shown in FIG. 1 etc., it is formed on the inner surface of the front body F of the exterior body 20 from the nonwoven fabric which covers the front part of the interior body 10 in the vertical direction and prevents leakage of excrement from the front part. The front presser sheet 50 is provided and formed on the inner surface of the rear body B of the exterior body 20 from a non-woven fabric that covers the longitudinal rear part of the interior body 10 and prevents leakage from the rear part of excrement. A rear presser sheet 60 is provided. The front presser sheet 50 extends from the rear part of the folded part 20C of the front body F to a position overlapping the front end part of the interior body 10, and the rear presser sheet 60 is installed from the front part of the folded part 20C of the rear body B. It extends to a position overlapping the rear end of the body 10. *
　本発明は、使い捨ておむつに利用できるものである。 The present invention can be used for disposable diapers.
１０　　　内装体
１１　　　表面シート
１２　　　裏面シート
１２Ａ　　前端部
１２Ｂ　　後端部
１３　　　吸収体
２０　　外装体
３０Ａ　　切欠き部（第１切欠き部）
３０Ｂ　　切欠き部（第２切欠き部）
３２　　　止着部材
３４　　　止着部材
３６　　　色付きライン DESCRIPTION OF SYMBOLS 10 Interior body 11 Top sheet 12 Back sheet 12A Front end part 12B Rear end part 13 Absorber 20 Exterior body 30A Notch part (1st notch part)
30B Notch (second notch)
32 Fastening member 34 Fastening member 36 Colored line

Claims (7)

  1. 　外装体と、前記外装体の内面に内装体を備えた使い捨ておむつにおいて、
    　前記内装体を、身体面側に設けられた液透過性の表面シートと、反身体側に設けられた液不透過性の裏面シートと、前記表面シートと裏面シートの間に設けられた吸収体で形成し、
    　前記内装体の縦方向の前後端部を外装体の内面に固定し、前記内装体の縦方向の前端部と後端部の間の部位は外装体の内面に固定しないことを特徴とする使い捨ておむつ。     In a disposable diaper having an exterior body and an interior body on the inner surface of the exterior body,
    The interior body includes a liquid-permeable top sheet provided on the body surface side, a liquid-impermeable back sheet provided on the non-body side, and an absorber provided between the top sheet and the back sheet. Formed with
    Disposable in which the longitudinal front and rear end portions of the interior body are fixed to the inner surface of the exterior body, and the portion between the front end portion and the rear end portion in the longitudinal direction of the interior body is not secured to the inner surface of the exterior body. Diapers.
  2. 　前記内装体の前端部の前後方向の長さを吸収体の前後方向の長さの１０％以下に形成し、前記内装体の後端部の前後方向の長さを吸収体の前後方向の長さの１０％以下に形成した請求項１記載の使い捨ておむつ。 The length in the front-rear direction of the front end portion of the interior body is formed to be 10% or less of the length in the front-rear direction of the absorber, and the length in the front-rear direction of the rear end portion of the interior body is the length in the front-rear direction of the absorber. The disposable diaper of Claim 1 formed in 10% or less of the length.
  3. 　前記吸収体の前端部の後側近傍部の両側部に第１切欠き部を形成し、前記吸収体の後端部の前側近傍部の両側部に第２切欠き部を形成した請求項１又は２記載の使い捨ておむつ。 The 1st notch part was formed in the both sides of the rear side vicinity part of the front end part of the absorber, and the 2nd notch part was formed in the both sides of the front side vicinity part of the absorber end. Or the disposable diaper of 2.
  4. 　前記第２切欠き部を第１切欠き部よりも大きく形成した請求項３記載の使い捨ておむつ。 The disposable diaper according to claim 3, wherein the second notch is formed larger than the first notch.
  5. 　前記裏面シートの反身体側の幅方向の中央部に縦方向に延在する止着部を設けた請求項１～４のいずれか１項に記載の使い捨ておむつ。 The disposable diaper according to any one of claims 1 to 4, wherein a fastening portion extending in the vertical direction is provided at a central portion in the width direction on the opposite side of the back sheet.
  6. 　前記裏面シートの反身体側における外装体の脚開口部に近接する部位に止着部を設けた請求項１～４のいずれか１項に記載の使い捨ておむつ。 The disposable diaper according to any one of claims 1 to 4, wherein a fastening portion is provided in a portion adjacent to the leg opening of the exterior body on the side opposite to the back sheet.
  7. 　前記裏面シートの反身体側に幅方向に所定の間隔を隔てて縦方向に延在する外部から視認できる色つきラインを設けた請求項１～６のいずれか１項に記載の使い捨ておむつ。 The disposable diaper according to any one of claims 1 to 6, wherein a colored line that is visible from the outside and that extends in the longitudinal direction at a predetermined interval in the width direction is provided on the opposite side of the back sheet.
PCT/JP2017/007002 2016-03-30 2017-02-24 Disposable diaper WO2017169380A1 (en)

Applications Claiming Priority (2)

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JP2016069128A JP6396358B2 (en) 2016-03-30 2016-03-30 Disposable diapers
JP2016-069128 2016-03-30

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WO2017169380A1 true WO2017169380A1 (en) 2017-10-05

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CN111542293A (en) * 2017-12-28 2020-08-14 尤妮佳股份有限公司 Absorbent article
EP3554439B1 (en) 2016-12-19 2021-11-10 The Procter & Gamble Company Absorbent article with absorbent core

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JP2002035022A (en) * 2000-07-28 2002-02-05 Daio Paper Corp Throw-away paper diaper
JP2003135523A (en) * 2001-11-07 2003-05-13 Koyo:Kk Absorptive article, throwaway diaper comprising the same, and method of manufacturing absorptive article
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Publication number Priority date Publication date Assignee Title
EP3554439B1 (en) 2016-12-19 2021-11-10 The Procter & Gamble Company Absorbent article with absorbent core
US11648159B2 (en) 2016-12-19 2023-05-16 The Procter & Gamble Company Absorbent article with absorbent core
CN111542293A (en) * 2017-12-28 2020-08-14 尤妮佳股份有限公司 Absorbent article
EP3705099A4 (en) * 2017-12-28 2020-12-09 Unicharm Corporation Absorbent article
CN111542293B (en) * 2017-12-28 2022-03-22 尤妮佳股份有限公司 Absorbent article

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