WO2017163753A1 - Produit jetable de type culotte - Google Patents

Produit jetable de type culotte Download PDF

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Publication number
WO2017163753A1
WO2017163753A1 PCT/JP2017/006998 JP2017006998W WO2017163753A1 WO 2017163753 A1 WO2017163753 A1 WO 2017163753A1 JP 2017006998 W JP2017006998 W JP 2017006998W WO 2017163753 A1 WO2017163753 A1 WO 2017163753A1
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WO
WIPO (PCT)
Prior art keywords
elastic member
pants
integrated
type disposable
side seal
Prior art date
Application number
PCT/JP2017/006998
Other languages
English (en)
Japanese (ja)
Inventor
貴史 松村
Original Assignee
大王製紙株式会社
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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 WO2017163753A1 publication Critical patent/WO2017163753A1/fr

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    • 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
    • A61F13/45—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
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs

Definitions

  • the present invention relates to a pants-type disposable product such as a pants-type disposable diaper.
  • the pants-type disposable diaper includes an exterior body that individually or integrally configures the front body and the back body, and an interior body including an absorbent body that is attached to the inner surface of the exterior body so as to extend from the front body to the back body.
  • a waist opening and a pair of left and right leg openings are formed by joining the side edges of the outer body of the front body and the side edges of the outer body of the rear body to form a side seal part.
  • elastic members such as a rubber thread
  • Patent Documents 1 and 2 Several proposals have been made regarding the side seal portion (Patent Documents 1 and 2). All of these are devised with respect to the form of the side seal part itself in order to prevent it from falling off and being fixed by the contraction force of the elastic member.
  • the contraction force of the elastic member of the front body and the contraction force of the elastic member of the back body balance the side seal portion.
  • the side seal part at the time of wearing will become a form which protrudes in the direction away from a wearer generally.
  • the side seal portion is a hard portion as compared with other portions because the material is compressed in a superposed state.
  • the side seal portion tends to radially protrude from the wearer, which may give an uncomfortable feeling when touched with a hand.
  • a main problem of the present invention is to provide a pants-type disposable product that reduces or eliminates the uncomfortable feeling caused by the side seal portion.
  • the present invention that has solved the above problems
  • a stretchable member disposed between a pair of seats and integrated with a stretchable member that gives stretchable force in the width direction, both side edges of the front body and the backbody have side seal portions by mutual joining, a waist opening and a pair of left and right
  • the contraction force of the elastic member is weak or not exerted, and in the boundary region in the other body, the elasticity
  • the present invention relates to a pants-type disposable product characterized by having a structure in which the contraction force of the member is strong or exerts.
  • the elastic member has a weak contraction force or does not exhibit the elasticity.
  • the elastic member exhibits a strong contraction force.
  • a side seal part shows the tendency which falls to the other body part. As a result, the uncomfortable feeling due to the side seal portion is reduced.
  • the elastic member is a plurality of thin members (for example, rubber thread) in the front-rear direction, and is fixed to and integrated with a sheet constituting the front body and the back body by a hot melt adhesive, and in the boundary region in the other body , When the elastic member is not integrated with at least one of the pair of sheets on the wearer side, the side seal portion tends to fall on the other body.
  • thin members for example, rubber thread
  • the outside of the side edge portion is continuous in the front-rear direction, and the inside of the side edge portion is discontinuous in the front-rear direction.
  • the side seal portion tends to fall on the other body.
  • the elastic member is a plurality of thin members in the front-rear direction, fixed and integrated with the sheet constituting the front body and the back body by a hot melt adhesive, at least in the boundary region in the one body, Even if the elastic member is not positioned, the side seal portion tends to fall on the other body.
  • the elastic member which expands / contracts in the width direction may be sufficient as the said elastic member of a front body and a back body.
  • This elastic film is fixed and integrated with the sheets constituting the front and back bodies, and is not integrated with one of the pair of sheets on the wearer side in the boundary region of the other body. It can be set as an aspect.
  • the elastic member of the front body and the back body is an elastic film that expands and contracts in the width direction, and is fixed to and integrated with a sheet constituting the front body and the back body, and at least in the boundary region of the other body, the elastic member Can be a mode that is not integrated with each of the pair of sheets.
  • the elastic member is not located at least in the boundary region, so that it is not integrated with each of the pair of sheets. Also good.
  • the uncomfortable feeling caused by the side seal portion is reduced or eliminated.
  • 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 a perspective view of the wearing state of a pants type disposable diaper.
  • the example of a side seal part is illustrated schematically, (a) is a conventional example, (b) is a conceptual cross-sectional view of the first embodiment in an unfolded state, and (c) is a side seal part is lying down.
  • (A) is a conceptual sectional view of the second embodiment in a state where it does not fall down
  • (b) is a conceptual sectional view of a state in which the side seal portion is lying down.
  • (A) is conceptual sectional drawing of the state which does not fall down of 3rd Embodiment
  • (b) is a conceptual sectional drawing of the state in which the side seal part is lying down.
  • (A) is a principal part top view of the side seal part of 4th Embodiment
  • (b) is a conceptual sectional drawing of the state in which the side seal part is lying down. It is a principal part top view of the other example of a side seal part.
  • the term “elongation rate” means a value when the natural length is 100%. Moreover, the fine dot pattern part in a figure has shown that joining means, such as a hot-melt-adhesive, exists.
  • 1 to 6 show an example of a pants-type disposable diaper.
  • This pants-type disposable diaper (hereinafter also simply referred to as a diaper) has an outer body 20 that integrally constitutes a front body F and a rear body B, and an inner surface of the outer body 20 so as to extend from the front body F to the rear body B.
  • the interior body 10 has a fixed interior body 10 in which an absorber 13 is interposed between a liquid-permeable top sheet 11 and a liquid-impermeable back sheet 12.
  • a joining means such as a hot-melt adhesive (dotted portion in FIG. 2)
  • the interior body 10 and the exterior The body 20 is folded at the center in the front-rear direction (vertical direction), which is the boundary between the front body F and the back body B, and both side portions thereof are joined to each other by heat welding or hot melt adhesive to form the side seal portion 21.
  • a pants-type disposable diaper having a waist opening and a pair of left and right leg openings is formed.
  • the interior body 10 includes an absorbent body 13 between a liquid-permeable top sheet 11 made of a nonwoven fabric or the like and a liquid-impermeable back side sheet 12 made of polyethylene or the like. It has an intervening structure and absorbs and retains excretory fluid that has passed through the top sheet 11.
  • the planar shape of the interior body 10 is not particularly limited, it is generally a substantially rectangular shape as illustrated.
  • a porous or non-porous nonwoven fabric or a porous plastic sheet is preferably used as the liquid-permeable surface sheet 11 covering the surface side (skin contact surface side) of the absorbent body 13.
  • 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.
  • liquid permeable surface sheet 11 When a large number of through holes are formed in the liquid permeable surface sheet 11, urine and the like are quickly absorbed, and the dry touch property is excellent.
  • the liquid permeable top sheet 11 is wound around the side edge of the absorber 13 and extends to the back side of the absorber 13.
  • liquid-impermeable back sheet 12 that covers the back surface side (non-skin contact surface side) of the absorbent body 13 a liquid-impermeable plastic sheet such as polyethylene or polypropylene is used. Those having wettability are preferably used.
  • This water-impervious / breathable 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. is there.
  • 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.
  • the absorbent body 13 can be packaged with a wrapping sheet 14 having liquid permeability and liquid retention, such as crepe paper, if necessary, for holding the shape and polymer.
  • the overall shape of the absorbent body 13 is formed in a substantially hourglass shape having a narrowed portion 13N narrower than the front and rear sides at the crotch portion, but may be an appropriate shape such as a rectangular shape.
  • the size of the constricted portion 13N can be determined as appropriate, but the length in the front-rear direction of the constricted portion 13N can be about 20 to 50% of the total length of the diaper, and the width of the narrowest portion is 40% of the total width of the absorber 13. It can be about 60%.
  • the constricted portion 13N is provided, if the planar shape of the interior body 10 is substantially rectangular, the remainder of the interior body 10 that does not include the absorber 13 in the portion corresponding to the constricted portion 13N of the absorber 13. A part is formed.
  • the three-dimensional gather BS includes a fixed portion fixed to a side portion on the back surface of the interior body, and a side portion on the surface of the interior body from the fixed portion through the side of the interior body.
  • the body part that extends to the front, the front and rear ends of the body part in a lying state, and the lying part that is fixed to the side of the surface of the interior body, and the freedom part that is formed with this lying part being unfixed
  • the part is formed by a three-dimensional gathered sheet 15 which is a double sheet by folding.
  • a non-woven fabric having water repellency is preferably used.
  • an elongated three-dimensional gather elastic member 16 is disposed at the tip of the free part.
  • the three-dimensional gather elastic member 16 is for forming a three-dimensional gather BS by erecting a free part protruding from the absorber side edge portion by elastic stretching force as shown by a two-dot chain line in FIG.
  • the liquid-impermeable back sheet 12 is folded back on the both sides in the width direction of the absorber 13 together with the liquid-permeable surface sheet 11.
  • the liquid-impermeable back side sheet 12 it is desirable to use an opaque sheet so that brown such as defecation and urine does not appear.
  • a plastic film and a pigment and filler such as calcium carbonate, titanium oxide, zinc oxide, white carbon, clay, talc and barium sulfate are preferably used.
  • the gather 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. Further, in order to make it difficult to see from the outside, it is preferable that the thickness is 925 dtex or less, the tension is 150 to 350%, and the interval is 10.0 mm or less.
  • the gathered elastic member 16 may be a tape-like member having a certain width in addition to the thread-like shape shown in the figure.
  • the material fibers constituting the three-dimensional gather sheet 15 are olefin-based, such as polyethylene or polypropylene, polyester-based, amide-based synthetic fibers, regenerated fibers such as rayon and cupra,
  • Non-woven fabric obtained by an appropriate processing method such as a spunbond method, a thermal bond method, a melt blown method, a needle punch method, etc. can be used. It is preferable to use a non-woven fabric with a low basis weight and excellent air permeability.
  • a silicon-based, paraffin metal-based, alkylchromic chromoid-based water repellent It is desirable to use a water-repellent non-woven fabric coated with such as.
  • the exterior body 20 has a part constituting the front body F extending from the center in the front-rear direction to the ventral side and a part constituting the back body B extending from the center in the front-rear direction to the back side.
  • the side seal part 21 is formed by joining both side parts of the back body B and the both sides of the back body B, and as shown in FIG. 6, a pair of left and right sides for passing the waist opening and legs for passing the wearer's torso Leg openings are formed.
  • the exterior body 20 includes a waist portion T defined as a longitudinal range (a longitudinal range extending from the waist opening to the upper end of the leg opening) having the side seal portion 21, and a longitudinal range (front body F) of a portion forming the leg opening.
  • Leg opening L defined as a vertical region having the side seal portion 21 and a vertical region having the side seal portion 21 of the back body B.
  • the waistline portion T can be divided into a waist portion W that conceptually forms an edge portion of the waist opening and a waist lower portion U that is a lower portion than this.
  • the waist opening side is the waist portion W from the most waist opening side boundary. When there is no such boundary, the waist opening side becomes the waist portion W from the absorber 13 or the interior body 10.
  • the outer package 20 has a two-layer structure including a press sheet 20A and a back sheet 20B each made of a nonwoven fabric or the like, and between the press sheet 20A and the back sheet 20B, and Various elastic members are disposed between the nonwoven fabrics of the folded portion 20C formed by folding the sheet 20B to the inner surface side at the waist opening edge, and elasticity is imparted.
  • the planar shape has a pseudo hourglass shape as a whole by the concave leg surrounding lines 29 formed to form leg openings on both sides of the middle.
  • the exterior body 20 in the illustrated form includes a waist elastic member 24 disposed in the waist W as an elastic member along the width direction, and a waist lower part disposed in the waist lower part U.
  • the side seal part 21 extends while curving in a pattern toward the crotch portion along the monopod opening.
  • the curved elastic members 26 and 28 are provided. These elastic members 24 to 28 are fixed in a state of being stretched at a predetermined stretch rate along their extending directions.
  • a leg periphery elastic member which continues from the side seal part of the front body F to the side seal part of the back body B along the leg periphery line 29 is not provided.
  • the waist elastic member 24 is for tightening the wearer's waist with elasticity.
  • the elastic member 24 is an elongated elastic member such as rubber thread attached in an extended state along the width direction between the layers in the waist W. A plurality of lines are provided at intervals in the vertical direction.
  • thread rubber is used in the illustrated example, but a tape-like elastic member may be used, for example.
  • the waist part elastic member 24 of the illustration form is clamped between the nonwoven fabrics of the folding
  • the waist elastic member 24 is desirably provided over the entire width direction of the waist W.
  • the waist lower part elastic member 25 is for attaching the diaper to the lower abdomen and the buttocks of the wearer with elasticity, and in the illustrated example, is attached in an extended state along the width direction between the layers in the waist lower part U. It is an elongated elastic member such as rubber thread, and a plurality of elastic members are provided at intervals in the vertical direction. It is desirable that the waist lower part elastic member 25 is provided on both sides in the width direction of the intermediate part in the width direction of the absorber in the waist lower part U, and the side edges are provided up to the side seal part 21.
  • the leg opening elastic member 27 is mainly for giving a stretchability in the width direction to a portion along the leg opening.
  • the leg opening elastic member 27 is attached in an extended state along the width direction between the layers in the leg opening L.
  • a plurality of elastic members such as rubber thread are provided, and a plurality of elastic members are provided at intervals in the vertical direction. It is desirable that the leg opening elastic member 27 is provided at least on both sides in the width direction of the intermediate part in the width direction of the absorber of the leg opening L, and the side edge is provided up to the leg opening edge 29.
  • Curved elastic members 26 and 28 made of a long and slender elastic member are arranged along a predetermined curve.
  • the number of the curved elastic members 26 and 28 may be one, but it is preferable that they are plural.
  • the curved elastic members 26 and 28 are elongated elastic members such as four rubber threads. They are arranged at intervals without crossing each other.
  • the curved elastic members 26 and 28 are arranged in a bundle of about two or three elastic members with a close interval, and 3 to 20 mm, preferably 6 to form a predetermined expansion / contraction zone. Three or more, preferably four or more are arranged with an interval of about ⁇ 16 mm.
  • the leg opening elastic member 27 is provided with the curved elastic members 26 and 28 as necessary, and may not have these.
  • the above-described exterior body 20 can be manufactured by the techniques described in, for example, Japanese Patent Laid-Open Nos. 4-28363 and 11-332913. Further, in order to cut the curved elastic members 26 and 28 on the interior body 10 to make them discontinuous, it is described in JP-A-2002-35029, JP-A-2002-178428, and JP-A-2002-273808. A cutting method is preferably employed.
  • the curved elastic members 26 and 28 may be provided only on one of the front body F and the back body B.
  • the curved elastic members 26 and 28 are provided on both the front body F and the back body B, a part or all of the group of the curved elastic members 28 disposed on the front body F side and the back body B side are disposed.
  • the group of curved elastic members 28 arranged on the front body F side as shown in the example A configuration in which the curved elastic members 26 arranged on the back body B side are separated from each other in the longitudinal direction at a position slightly deviated from the front-rear direction intermediate portion, particularly the front body F without crossing each other.
  • curved elastic members 26 and 28 do not have to be curved as a whole, and may partially have linear portions.
  • the elongation rate at the time of attaching the elastic members 24 to 28 can be determined as appropriate.
  • the waist elastic member 24 is about 160 to 320%
  • the waist lower elastic member 25 and the leg opening elastic member. 27 can be about 160 to 320%
  • the curved elastic members 26 and 28 can be about 230 to 320%.
  • the front presser sheet 50 extends over the entire width direction from the inner surface of the folded portion 20C of the waist side end portion to the position overlapping the front end portion of the interior body 10 in the inner surface of the front body F.
  • the rear presser sheet 60 extends across the entire width direction from the inner surface of the folded portion 20C at the end on the waist side to the position overlapping the rear end of the interior body 10 in the inner surface of the back body B.
  • the folded portion 20C formed by folding the exterior body 20 on the inner surface of the diaper can be extended to a portion overlapping the interior body 10 to form a portion equivalent to the presser sheets 50 and 60 described above.
  • the pulling elastic member 30 is excellent in the pulling effect when it extends to a position overlapping the side portion of the absorber 13, but even if it coincides with the side edge of the absorber 13 or is separated from the side edge. good.
  • the contraction force by the pulling elastic member 30 may be the same as the contraction force of other elastic members (in the illustrated embodiment, the waist lower part elastic member 25 (corresponding to the basic elastic member)). It is preferable that the exterior body 20 fits the waist lower part elastic member 25 and the leg opening elastic member 27 more securely.
  • the contraction force means a value at the same elongation rate, and can be varied by a known method such as the type of elastic member, the elongation rate at the time of attachment, and the thickness.
  • the front body F to the back body B are continuously covered by the integrated exterior body 12, but the exterior body is divided into those constituting the front body F and those constituting the back body B.
  • the outer body of the front body F and the outer body of the rear body B are not continuous on the crotch side and can be separated (not shown).
  • the outer body of the front body has at least a portion that overlaps with the vertically stretchable portion, portions on both sides in the width direction, and portions on the waist opening side.
  • the back surface of the interior body can be covered with a crotch outer body such as a nonwoven fabric.
  • the present invention is arranged between a pair of seats and integrated with a stretch member that gives stretch force in the width direction, both side edges of the front body and the back body have side seal portions by mutual joining, and a waist opening
  • the present invention relates to a pants-type disposable product in which a pair of left and right leg openings is formed, and particularly devise the structure around the side seal portion.
  • the pants-type disposable product of the present invention is intended for a product in which a waist opening and a pair of left and right leg openings are formed, and both side edges of the front body and the back body have side seal portions formed by mutual bonding. Therefore, in addition to a pants-type disposable diaper for use in receiving and absorbing body fluids, for example, disposable pants may be used.
  • both side edges of the front body F and the back body B of FIGS. 1 and 2 are joined to each other, and the side seal portion 21 shown in FIG.
  • An example of the structure around the side seal portion of the present invention will be described with reference to FIG.
  • a pants-type disposable product that has a structure that does not exhibit and has a structure in which the contraction force of the elastic member is strong or exhibited in the boundary region in the other body.
  • any of the fourth embodiments shown in FIGS. 10 (a) and 10 (b) at least the side seal portion in one body X (the body on the left side in the drawing) X of the front body or the back body.
  • the elastic member In the boundary region straddling the boundary B with the elastic member, the elastic member has a weak contraction force or does not exhibit the force.
  • the elastic member In the boundary region of the other body (the right body in the drawing) Y, the elastic member has a strong contraction force. It is a structure that demonstrates it.
  • the elastic member in the side seal portion 21 in the present invention there are a plurality of thin members (for example, rubber thread) in the front-rear direction.
  • the waist elastic member 24, the waist lower portion The elastic member 25, the leg opening elastic member 27, and the curved elastic members 26 and 28 are targeted, but the elastic member 25 is illustrated for the sake of simplicity.
  • the contraction force of the elastic member in one body X and the contraction force of the elastic member in the other body Y are the same as those in the embodiment. Therefore, as shown in FIG.
  • the part 21 comes to stand almost orthogonally.
  • the compressive force of the elastic member 25 of the body X and the elastic member 25 of the body Y concentrates on the wearer's region Z corresponding to the width region sandwiching the boundary B, and the compression force by the highly rigid side seal portion 21. Acts to give the wearer an uncomfortable feeling due to the side seal portion 21.
  • the side seal part 21 stands up, when touching the surface of a disposable diaper so that it may touch, it also gives the sense of incongruity as a protrusion. It also gives an uncomfortable appearance.
  • the elastic member 25 is a plurality of thin members in the front-rear direction (direction passing through the drawing in FIG. 7).
  • the elastic member 25 is fixed to and integrated with a sheet constituting the back body, and the elastic member 25 is not located in at least the boundary region of the one body X. That is, the elastic member 25 is not located in the boundary region straddling the boundary B. In this case, in one body X, the elastic member 25 tends to contract together with the presser sheet 20A and the back sheet 20B in the width direction of the product (left and right direction in the drawing).
  • the elastic member 25 is a plurality of thin members in the front-rear direction (direction passing through the drawing in FIG. 8), and the front body is formed by a hot melt adhesive. And it is being fixed to the sheet
  • the elastic member 25 is not located in at least the boundary region of one body X. That is, the elastic member 25 is a mode in which the elastic member 25 is not located in the entire area up to the side edges of the presser sheet 20A and the backsheet 20B in addition to the boundary region straddling the boundary B.
  • the side seal portion 21 is adjacent to the single disposable diaper in the manufacturing process.
  • the elastic member 25 of one body X contracts beyond the boundary region when the side seal portion 21 of the other disposable diaper is cut and separated, the elastic member 25 is at least in the boundary region of the one body X. Are not located. Even in this case, the same mechanism of action as in the first embodiment occurs.
  • the elastic member 25 is a plurality of thin members in the front-rear direction (direction passing through the drawing in FIG. 9), and the front body is formed by hot melt adhesive. And it is being fixed to the sheet
  • the elastic member 25 is not integrated with at least one of the pair of sheets (press sheet 20A and back sheet 20B) on the wearer side (press sheet 20A). It is a form.
  • the elastic member 25 is not integrated with the presser sheet 20A over at least the boundary region (symbol ⁇ in FIG.
  • the elastic member 25 since the elastic member 25 is not integrated with at least one of the sheets on the wearer side (pressing sheet 20A), as shown in FIG.
  • the elastic member 25 behaves so as to be linearized by the contraction force between the one end and the other end, and as a result, the side seal portion 21 behaves so as to fall down on the other body Y side. This is because the contraction force of the elastic member 25 on the other body Y side is greater than the contraction force of the elastic member 25 on the one body X side.
  • the same mechanism of action as in the first embodiment occurs.
  • the fourth embodiment shown in FIGS. 10 (a) and 10 (b) is an example of a comb-tooth side seal portion.
  • the elastic member 25 is provided at a seal portion 21A in which the outside of the side edge portion is continuous in the front-rear direction, the seal portion 21a in which the inside of the side edge portion is discontinuous in the front-rear direction, and the discontinuous portion between the seal portions 21a, 21a. Is located and reaches the outer side (seal part 21a) of the side edge part.
  • the elastic member 25 about L section between 21 A of seal parts, when adhesion
  • the elastic member 25 behaves so as to be linearized by its contraction force, and behaves so that the side seal portion 21 is laid down on the other body Y side.
  • the same mechanism of action as in the first embodiment occurs.
  • the seal portion 21A is a joined portion by a hot melt adhesive, and the seal portion 21a can be a heat welded portion.
  • the seal portion 21a when it combines with 1st Embodiment or 2nd Embodiment, there exists an advantage by which the body Y side overturn becomes clearer. is there.
  • the shape of the side seal portion can be the same as the disclosure example of Patent Document 1 and Patent Document 2, and as shown in FIG. A combination of the intermittent seal portions 21C may be used.
  • the said example is an example of a thin long member as an elastic member
  • the elastic film which expands-contracts at least in the width direction which occupies a certain area can also be used. Even when an elastic film is used, it will be apparent that the object of the present invention can be achieved by a similar configuration in the case of a thin and long member.
  • it is too hard to join the hot-melt adhesive so that welding at many points, for example, thermal welding or ultrasonic waves This is possible by welding. Examples of this type of welded joint include Japanese Patent Publication No. 10-509337, Japanese Patent No. 3249530, Japanese Patent No.
  • the present invention can be used for a pants-type disposable product as in the above example.
  • B Rear body, BS ... Solid gather, F ... Front body, 10 ... Interior body, 11 ... Top sheet, 12 ... Liquid-impermeable back side sheet, 13 ... Absorber, 15 ... Solid gather sheet, 16 ... Solid gather Elastic member, 20 ... exterior body, 20A ... presser sheet, 20B ... back sheet, 20C ... folded portion, 21 ... side seal part, 21A to 21C, 21a, 21b ... seal part, 24 ... waist elastic member, 25 ... waist Lower part elastic member, 26, 28 ... curved elastic member, 27 ... leg opening elastic member, T ... trunk circumference part, L ... leg opening part, W ... waist part, U ... waist lower part.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

La présente invention aborde le problème de réduction ou d'élimination d'une sensation inconfortable associée à une partie de fermeture latérale. Le problème peut être résolu par une configuration telle qu'un organe élastique (25) présente une force de rétractation faible ou ne présente pas de force de rétractation dans au moins une zone limite qui s'étend à travers la limite (B) entre une partie du corps (X) sélectionnée à partir d'une partie avant (F) du corps et d'une partie arrière (B) du corps et une partie de fermeture latérale (21) dans la partie du corps (X) et l'organe élastique (25) présente une force de rétractation importante ou présente une force de rétractation dans une zone limite qui s'étend à travers la limite (B) entre l'autre partie du corps (Y) et la partie de fermeture latérale (21) dans la partie du corps (Y).
PCT/JP2017/006998 2016-03-23 2017-02-24 Produit jetable de type culotte WO2017163753A1 (fr)

Applications Claiming Priority (2)

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JP2016058005A JP6307544B2 (ja) 2016-03-23 2016-03-23 パンツタイプ使い捨て製品
JP2016-058005 2016-03-23

Publications (1)

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WO2017163753A1 true WO2017163753A1 (fr) 2017-09-28

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PCT/JP2017/006998 WO2017163753A1 (fr) 2016-03-23 2017-02-24 Produit jetable de type culotte

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JP (1) JP6307544B2 (fr)
WO (1) WO2017163753A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200260798A1 (en) * 2019-02-14 2020-08-20 The Procter & Gamble Company Pant-Type Wearable Article

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7114090B2 (ja) 2017-04-18 2022-08-08 株式会社トクヤマデンタル 硬化性組成物

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002074213A1 (fr) * 2001-03-15 2002-09-26 Daio Paper Corporation Couche en papier et procede de fabrication de feuille extensible utilisee dans la couche
JP2003144494A (ja) * 2001-11-09 2003-05-20 Uni Charm Corp パンツ型使い捨ておむつ及びその製造方法
WO2014156949A1 (fr) * 2013-03-29 2014-10-02 大王製紙株式会社 Structure élastique pour article absorbant et procédé pour fabriquer une structure élastique pour article absorbant
WO2014208635A1 (fr) * 2013-06-28 2014-12-31 花王株式会社 Couche jetable type culotte
WO2016021217A1 (fr) * 2014-08-05 2016-02-11 ユニ・チャーム株式会社 Article portable à enfiler
JP2017012232A (ja) * 2015-06-26 2017-01-19 ユニ・チャーム株式会社 使い捨て着用物品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002074213A1 (fr) * 2001-03-15 2002-09-26 Daio Paper Corporation Couche en papier et procede de fabrication de feuille extensible utilisee dans la couche
JP2003144494A (ja) * 2001-11-09 2003-05-20 Uni Charm Corp パンツ型使い捨ておむつ及びその製造方法
WO2014156949A1 (fr) * 2013-03-29 2014-10-02 大王製紙株式会社 Structure élastique pour article absorbant et procédé pour fabriquer une structure élastique pour article absorbant
WO2014208635A1 (fr) * 2013-06-28 2014-12-31 花王株式会社 Couche jetable type culotte
WO2016021217A1 (fr) * 2014-08-05 2016-02-11 ユニ・チャーム株式会社 Article portable à enfiler
JP2017012232A (ja) * 2015-06-26 2017-01-19 ユニ・チャーム株式会社 使い捨て着用物品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200260798A1 (en) * 2019-02-14 2020-08-20 The Procter & Gamble Company Pant-Type Wearable Article

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JP6307544B2 (ja) 2018-04-04
JP2017169730A (ja) 2017-09-28

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