WO2012043082A1 - Article à porter jetable - Google Patents

Article à porter jetable Download PDF

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Publication number
WO2012043082A1
WO2012043082A1 PCT/JP2011/068536 JP2011068536W WO2012043082A1 WO 2012043082 A1 WO2012043082 A1 WO 2012043082A1 JP 2011068536 W JP2011068536 W JP 2011068536W WO 2012043082 A1 WO2012043082 A1 WO 2012043082A1
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WO
WIPO (PCT)
Prior art keywords
bent
absorbent core
region
vertical axis
waist region
Prior art date
Application number
PCT/JP2011/068536
Other languages
English (en)
Japanese (ja)
Inventor
知央 金子
大橋　直人
Original Assignee
ユニ・チャーム株式会社
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 ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Publication of WO2012043082A1 publication Critical patent/WO2012043082A1/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
    • A61F13/493—Absorbent articles specially adapted to be worn around the waist, e.g. diapers adjustable by adding or removing material, e.g. umbilical cord arrangements
    • 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
    • A61F2013/15008—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use
    • A61F2013/15032—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use as umbilical bandage
    • A61F2013/1504—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterized by the use as umbilical bandage for avoiding contact with umbilical region

Definitions

  • the present invention relates to a disposable wearing article, and more particularly to a disposable wearing article such as a disposable toilet / training pant, a disposable incontinence pant, a disposable sanitary pant, particularly an open disposable diaper.
  • Patent Document 1 discloses a liquid-permeable top sheet, a liquid-impervious back sheet, an absorbent core interposed between the front and back sheets, a pair of wearing bands extending in a direction around the waist, and a crotch.
  • Disposable diapers including a plurality of elastic elements extending from both side regions of the region to the front and rear waist regions are disclosed.
  • the disposable diaper disclosed in Patent Document 1 is formed by a part of the absorbent core being thinner than the other part in the predetermined part of the front end of the diaper body or the absence of the absorbent core itself. And a bending guide portion extending in the lateral direction of the diaper.
  • the navel When the wearer is a newborn baby, the navel can be exposed by folding the front end of the diaper body outward along the upper edge of the bending guide and the wearing band, and obstructing its abdominal breathing There is no. Further, since the folded portion can be fixed to the diaper main body by the fastening means located on the outer surface of the front end portion, the navel of the newborn can be reliably exposed.
  • the absorbent core has a substantially rectangular shape, both side edges of the absorbent core located in the crotch region come into contact with the wearer's groin while wearing, and the wrinkles are The body fluid absorbed by the absorbent core may leak to the outside from the part where the wrinkles are formed.
  • the absorbent core is formed into a so-called hourglass shape, which is concaved in the crotch region, but like the diaper, a part of the front waist region is bent.
  • the position where the wearer's inguinal portion abuts is different before and after bending. Therefore, before and after bending, it is difficult to place the concave portion of the absorbent core in the crotch region at a position facing the wearer's groin and closely contact the body.
  • An object of the present invention is an improvement of the conventional invention, in which the size can be adjusted relatively easily by folding a part of the front waist region inwardly or outwardly, and a concave curve of the absorbent core before and after the bending. It is providing the disposable wearing article which can make an absorptive core fit around a wearer's leg by changing the shape of a part.
  • the present invention has a vertical axis and a horizontal axis, a front waist region, a rear waist region, a crotch region extending between the front and rear waist regions, and the front and rear waist regions from the crotch region.
  • the present invention relates to an improvement of a disposable wearing article including an article main body having an absorbent core extending to the front and a fastening system for connecting both side edges of the front and rear waist regions to each other.
  • the absorbent core includes both side edges having straight portions extending straight in the direction of the vertical axis and concave curved portions that are concave toward the vertical axis in the central portion of the crotch region, and the front
  • a first bent guide portion extending in the direction of the horizontal axis in the crotch region on the waist region or the front waist region side, and the crotch region on the front waist region side and the inner side of the both side edges are positioned symmetrically with respect to the vertical axis.
  • a pair of second bending guide portions and a pair of third bending guide portions positioned symmetrically with respect to the vertical axis inside the crotch region on the rear waist region side and the both side edges.
  • the absorbent core can be bent inwardly and outwardly of the article main body at portions extending outwardly of the longitudinal axis along the first bending guide portion, and both side edges of the absorbent core.
  • the first bending area that can be bent inward and outward of the article body, respectively, between the second bending guide part and between both side edges of the absorbent core and the third bending guide part. And the second folding area are defined.
  • the length dimension in the direction of the vertical axis of the first and second bent areas is from the center of the first bent guide part to the front edge of the front waist area. Is larger than half of the length in the direction of the vertical axis.
  • inner edges of the first and second folding regions have a shape that is convex with respect to the longitudinal axis, and outside the first and second folding regions.
  • the edge has a concave shape with respect to the longitudinal axis.
  • the length dimension in the direction of the vertical axis of the portion consisting of a part of the straight portion of the outer edges of the first and second bent regions is the first dimension. It is substantially equal to or larger than the length dimension in the direction of the vertical axis from one folding guide part to the front end edge of the front waist region.
  • an elastic element extending in the direction of the vertical axis is disposed between the first bent region and the second bent region of the absorbent core.
  • a first decoration line extending along the front edge of the front waist region and a second decoration extending along the first concave curve line on the skin facing surface of the article main body.
  • a line, a third decorative line extending in the direction of the horizontal axis at a substantially central portion of the first folding guide portion, and a fourth decorative line extending along the second concave curved line are formed,
  • the same decoration is given to the first and second decoration lines, and the third and fourth decoration lines are given a decoration different from the first and second decoration lines.
  • the present invention it is possible to fold a portion extending outward of the longitudinal axis along the first bending guide portion of the absorbent core into the inside and outside of the article body, and the second bending guide portion and Since the 1st bending area and the 2nd bending area can be bent inward and outward along the 3rd bending guide part, the shape of the concave bending part of the both-sides edge of an absorptive core is made into the wearing form of a wearing article. It can be changed together.
  • FIG. 3 is a sectional view taken along line III-III in FIG. 1.
  • A)-(c) The figure which shows the wearing condition of the diaper in a 1st wearing form.
  • A)-(c) The figure which shows the wearing condition of the diaper in a 2nd wearing form.
  • deployment top view of the diaper in 3rd Embodiment of this invention The perspective view of the diaper in 4th Embodiment of this invention. The figure which shows the wearing form of the diaper in 4th Embodiment. The expansion
  • the disposable diaper 10 has a vertical axis P and a horizontal axis Q, a skin contact surface side and a non-skin contact surface side opposite thereto, a front waist region 11, and a rear waist region. 12, a pair of diapers body 14 having a crotch region 13 positioned between the front and rear waist regions 11 and 12, and a pair of diaper body 14 extending from the both side edges 12a and 12b of the rear waist region 12 outward in the direction of the horizontal axis Q.
  • Tape fastener tabs 15 and 16 On the skin facing surfaces of the tape fastener tabs 15 and 16, a first fastening element 17 formed from a hook group of mechanical fasteners is disposed.
  • the outer surface of the front waist region 11 is formed of a loop group of mechanical fasteners extending in the direction of the horizontal axis Q for removably fixing the first fastening elements 17 of the tape fastener tabs 15 and 16.
  • a second fastening element 18 is attached via a hot melt adhesive (not shown).
  • the diaper main body 14 is formed of a fiber nonwoven fabric, a porous plastic film, a laminate sheet thereof, and the like, and has a liquid-permeable top sheet 20 positioned on the skin contact surface side, and an outer shape of the diaper 10.
  • a liquid-permeable back sheet 21 formed of a moisture-permeable plastic film, a fiber nonwoven fabric, or a laminate sheet thereof, and located on the non-skin contact surface side, and a mixture of flap pulp and superabsorbent polymer particles Etc., and includes an absorbent core 22 interposed between the top sheet 20 and the back sheet 21.
  • top sheet 20 and the back sheet 21 extend from the peripheral edge of the absorbent core 22 and are applied to the inner surface of at least one of the sheets 20 and 21 at the extended portion. (Not shown) are joined together.
  • absorptive core 22 may be encapsulated by a diffusion sheet such as tissue paper.
  • the top sheet 20 has a mass of 15 to 50 g / m 2 , preferably 20 to 30 g / m 2 , and a fiber density of 0.01 to 0.04 g / cm 3 , preferably 0.025 to 0.035 g / cm 3 . 3 is formed from an air-through fiber nonwoven fabric or a spunbond fiber nonwoven fabric.
  • the backsheet 21 has a mass of 10 to 40 g / m 2 , preferably 15 to 30 g / m 2 , and a fiber density of 0.06 to 0.1 g / cm 3 , preferably 0.07 to 0.09 g. It is formed from a spunbond nonwoven fabric, a point bond nonwoven fabric, an SMS nonwoven fabric, or the like that is in the range of / cm 3 .
  • FIG. 3 for convenience of explanation, a barrier sheet 41 described later is removed, only the absorbent core 22 is shown by a solid line, and the other constituent members are shown by broken lines.
  • the first concave line 34 and the second concave line 35 are shown by solid lines in FIGS. 1 and 5.
  • the absorbent core 22 has front and rear end edges 22a and 22b and both side edges 22c and 22d extending in the direction of the vertical axis P between the front and rear end edges 22a and 22b.
  • both side edges 22c and 22d are a straight portion 23 that extends straight on the front waist region 11 side and the rear waist region 12 side, and a concave bent portion 24 that is bent inward at a substantially central portion of the crotch region 13. It is divided into and.
  • both side edges 12c have first and second bent portions 25 and 26 located at portions where the straight portion 23 and the concave curved portion 24 intersect.
  • the absorbent core 22 is formed with a first bending guide portion 27 extending in the direction of the horizontal axis Q in the front waist region 11.
  • the 1st bending guide part 27 is the concave groove formed by making the absorptive core 22 thin compared with another site
  • the first bending guide portion 27 is a concave groove having a width of a required dimension in the direction of the vertical axis P, and the length dimension L1 in the direction of the vertical axis P has the effect of the present invention described later.
  • the thickness is preferably 1.0 to 15.0 mm, more preferably 5.0 to 10.0 mm.
  • the first folding guide portion 27 is formed at a position overlapping the lower edge 18 a of the second fastening element 18 located on the outer surface of the diaper main body 14, and the first folding guide portion 27 on the outer surface of the diaper main body 14 is formed on the first folding guide portion 27.
  • the folding guide display unit 28 can confirm the position of the first folding guide unit 27 in the outer view of the diaper 10. Is formed (see FIG. 1).
  • the folding guide display unit 28 may be formed by applying a color different from that of the second fastening element 18 so that the wearer and the wear assistant can easily visually recognize the position of the first folding guide unit 27. And you may form by sticking a tape piece.
  • the first bending guide portion 27 is a concave groove formed by making the skin contact surface of the absorbent core 22 concave, but the non-skin contact surface of the absorbent core 22 May be formed in a concave shape. Moreover, you may form by removing a part of absorptive core 22, and you may form by compressing and deforming the absorptive core 22 in this site
  • the absorbent core 22 is formed by embossing or slits, on the front waist region 11 side of the crotch region 13, and on the inner side of both side edges 22c and 22d, the vertical axis P
  • a pair of second bending guide portions 30 extending in the direction and positioned symmetrically with respect to the longitudinal axis P are formed.
  • the absorbent core 22 extends toward the rear waist region 12 side of the crotch region 13 and on the inner side of both side edges 22c and 22d from the vicinity of the horizontal axis Q to the rear in a gentle curve shape.
  • a pair of third folding guide portions 31 that are positioned symmetrically with respect to each other are formed.
  • a first bending area 32 is formed between the second bending guide portion 30 and both side edges 22c and 22d, and between the third bending guide portion 31 and both side edges 22c and 22d, A second bent region 33 is formed.
  • the first and second bent areas 32 and 33 can be bent inward and outward of the diaper 10 along the second and third bent guide portions 30 and 31.
  • the respective dimensions and the like of the absorbent core 22 are substantially the same as those normally used for this type of diaper 10, but as a preferred embodiment, the width dimension W1 in the direction of the horizontal axis Q is about 100 to 110 mm, and the front waist region 11 in the direction of the longitudinal axis P is about 70 to 90 mm.
  • the length dimension L3 in the direction of the vertical axis P from the front end 30a of the second bending guide portion 30 to the first bent portion 25 at both side edges 22c and 22d is about 30.0 mm, and the second bent portion 26 to the third
  • the length L4 in the direction of the vertical axis P to the rear end 31b of the bending guide part 31 is about 30.0 mm.
  • the length L5 in the direction of the vertical axis P from the center line 27a extending in the direction of the horizontal axis Q of the first bending guide portion 27 to the front edge 11a of the front waist region 11 is about 60 mm, and the first bending region.
  • the length dimension L6 of the longitudinal axis P of 32 is about 65 mm, and the length dimension L7 in the direction of the longitudinal axis P of the second bent area 33 is about 75 mm.
  • the wearer in the wearing form (first wearing form) of the diaper 10 before the front waist region 11 is bent.
  • the shapes of the side edges 22c and 22d that come into contact with the inguinal portion are first concave curved lines 34 that extend in series from the second folding guide portion 30 to the rear half of the concave curved portion 24.
  • folded outside is as follows.
  • the narrowest portion 36 of the first concave line 34 in which the length dimension of the absorbent core 22 in the direction of the horizontal axis Q is the narrowest is located closer to the front waist region 11 than the horizontal axis Q of the diaper 10.
  • the narrowest portion 37 having the smallest length in the direction of the horizontal axis Q of the absorbent core 22 in the second concave line 34 is positioned so as to overlap the horizontal axis Q.
  • the separation dimension L8 in the direction of the vertical axis P between the narrowest portion 36 and the narrowest portion 37 of the first concave line 34 is about 30 mm.
  • a leak-proof sheet 40 formed from a liquid-impervious and moisture-permeable plastic film is disposed, and the inner surface of either one of the sheets 20, 21 is disposed. It is fixed via a hot melt adhesive (not shown) applied to the surface.
  • a pair of barrier sheets 41 symmetric with respect to the vertical axis P is attached to the outer side of the absorbent core 22 in the direction of the horizontal axis Q on the skin facing surface of the diaper 10.
  • the diaper main body 14 extends in the direction of the vertical axis P in the crotch region 13 in opposition to the front and rear end portions 42 and 43 extending in the direction of the horizontal axis Q in opposition to the direction of the vertical axis Q. Further, both side portions 44 and 45 are included.
  • the front and rear end portions 42 and 43 extend from the front and rear end edges 22a and 22b of the absorbent core 22 outward in the direction of the vertical axis P, the top sheet 20, the leak-proof sheet 40, the back sheet 21 and the barrier sheet. 41 are overlapped with each other. Further, the side portions 44 and 45 extend from the side edges 12c of the absorbent core 22 to the outside in the direction of the horizontal axis Q, the top sheet 20, the leak-proof sheet 40, the back sheet 21, and the barrier sheet 41. Are formed by overlapping each other. Further, the back sheet 21 and the barrier sheet 41 are further outward in the direction of the horizontal axis Q from both side edges of the top sheet 20 and the leak-proof sheet 40 that form both side portions 44 and 45 in the front and rear waist regions 11 and 12.
  • Front and rear side flaps 48 and 49 are formed. Fixing portions 15 a and 16 a of a pair of tape fastener tabs 15 and 16 are interposed between both side edges of the back sheet 21 and the barrier sheet 41 that form the rear side flap 49, It is fixed via a hot melt adhesive (not shown) applied to the inner surface. Further, the first fasteners are provided on the free portions 15b and 16b of the tape fastener tabs 15 and 16 extending outward in the direction of the horizontal axis Q from the side edges of the rear side flaps 49 (side edges 12a and 12b of the rear waist region). Element 17 is provided.
  • the barrier sheet 41 includes a proximal edge portion 50 that forms part of both side portions 44 and 45, and a front and rear fixed end portion 51 that is fixed to the skin facing surfaces of the top sheet 20 and the backsheet 21 in the front and rear waist regions 11 and 12. , 52 and a distal edge 53 formed by folding the inner edge of the barrier sheet 41 inwardly extending in the direction of the longitudinal axis P between the front and rear fixed ends 51, 52.
  • a plurality of strand-like or string-like leg elastic elements 54 extending in the direction of the longitudinal axis P are formed outwardly in the lateral direction X of both side edges of the leak-proof sheet 40, and the proximal edge 50 of the barrier sheet 41 and the backsheet.
  • a hot melt adhesive (not shown) so that contraction is possible.
  • two strand-like or string-like cuff elastic elements 55 extending in the direction of the longitudinal axis P are disposed on the distal edge 53 so as to be contractible.
  • the distal edge 53 is separated from the skin-facing surface of the top sheet 20 by the contracting action of the cuff elastic element 55, and a pair of leak-proof cuffs 56 for preventing lateral leakage of excrement are provided. It is formed.
  • a first fastening element 17 can be locked on the skin facing surface of the top sheet 20 at the front end portion 42, and a third fastening element 57 formed by embossing the top sheet 20 is provided. ing.
  • the third fastening element 57 includes a plurality of first and second concave lines 58 and 59 that extend obliquely with respect to the vertical axis P and the horizontal axis Q and intersect in a lattice shape.
  • the shape and size of the lines 58 and 59, the crossing angle with each other, and the like can be freely selected as appropriate.
  • the 3rd fastening element 57 is not embossed, but is normally used for this kind of articles
  • goods such as an air through nonwoven fabric, a spunbond nonwoven fabric, etc. It may be formed by a part of the top sheet.
  • the diaper having such a configuration includes a first fastening system including a first fastening element 17 and a second fastening element 18, and an outer side of the front waist region 11 along the first folding guide portion 27 as shown in FIG. 5. And a second fastening system for locking the first fastening element 17 to a third fastening element 57 formed on the skin facing surface of the front end portion 42.
  • the diaper 10 is worn by the second fastening system (second wearing form)
  • the abdomen of the wearer is exposed. Therefore, when the wearer is a newborn baby including a premature baby, the abdomen is tightened by the front waist region 11. Expression breathing is not disturbed.
  • the navel and its surroundings are not sufficiently matured, and there is a possibility that even a slight tightening by the front waist region 11 may cause irritation, but such a situation can be avoided.
  • the first fastening element 17 may be formed by applying an adhesive instead of the hook group.
  • the surface of the first fastening element 17 may be covered with a separator coated with silicon.
  • the tape fastener tabs 15 and 16 are preferably formed from a sheet material having relatively high rigidity and tensile strength, such as a plastic film, a fiber nonwoven fabric, a laminate thereof, or craft paper. Further, the first fastening element 17 provided on the rear side flap 49 can be directly detached from the second fastening element 18 without using the tape fastener tabs 15 and 16 as long as the required effects of the present invention are obtained. You may engage.
  • FIGS. 6 (a) to 6 (c) are diagrams showing a wearing state (first wearing form) of the diaper 10 in the first fastening system
  • FIGS. 7 (a) to 7 (c) are diapers 10 in the second fastening system. It is the figure which showed the wearing condition (2nd wearing form).
  • 7A to 7C after the front waist region 11 is bent outward along the first bending guide portion 27, the first bending guide portion 27 and the rear waist region of the crotch region 13 are used.
  • 12 and the rear end edge 12c are opposed to each other in the front-rear direction, that is, they are worn on the wearer's body in a state where their heights are matched. Therefore, the outer shape of the diaper of the first wearing form is smaller than that of the diaper of the second wearing form.
  • the first and second concave curved lines 34 and 35 are indicated by solid lines.
  • the concave-curved part 24 of the both-sides edge 22c, 22d of the absorptive core 22 is formed of the 1st concave-curved line 34, and the 1st The folding region 32 is bent outward by folding the second folding guide portion 30 into a valley. That is, on the front side of the crotch region 13, the absorbent core 22 has an outer shape by the first concave curved line 34, and both side edges 22c and 22d are curved along the wearer's groin, The movement of the wearer's groin is not inhibited by the sex core 22.
  • part 60 with the largest length dimension of the direction of the horizontal axis Q of the 1st concave-curved line 34 is located in the upper part (under the iliac side vicinity) of a wearer, it is absorptive. Since the core 22 stably fits to the wearer's abdomen, it is possible to suppress positional deviation during wearing.
  • folded outside does not inhibit a motion of a wearer's leg part
  • the 1st bending area 32 is located in the both sides of the 1st concave line 34
  • the diaper main body 14 has both side portions 44 and 45 in close contact with the body, and the presence of the first bent region 32 in comparison with the case where the absorbent core 22 having the outer shape of the first concave line 34 is used in advance. Since the body fluid absorption area is increased, more body fluid can be absorbed.
  • the narrowest portion 36 of the first concave line 34 is located at the center of the wearer's inseam, so the absorbent core 22 impedes the movement of the footstep of the wearer. In addition, no wrinkles that induce leakage of bodily fluids are formed on both sides of the absorbent core 22.
  • the second bent region 33 is not bent outward along the third bent guide portion 31, so the absorbent core 22 is not worn by the wearer. It arrange
  • the concave-curved part 24 of the both-sides edges 22c and 22d of the absorptive core 22 is formed of the 2nd concave-curved line 35, and is 2nd bending.
  • the first folding area 32 is not bent outward along the guide portion 30.
  • the first folding guide portion 27 is substantially parallel to the rear edge 12c of the rear waist region 12 on the front side facing the wearer's abdomen. It is located and the absorptive core 22 is located ahead entirely, ie, a wearer's abdomen side compared with a 1st wearing form.
  • the concave curved part 24 of both-sides edge 22c, 22d is located ahead of a wearer's groin part, and the absorptive core 22 is a wearer.
  • the absorbent core 22 may interfere with the movement of the wearer's groin, or may form a wrinkle that induces fluid leakage in the absorbent core 22.
  • the absorptive core 22 Since it fits stably to a wearer's abdomen, position shift during wearing can be controlled.
  • the second folding region 33 is bent outward by the third folding guide portion 31 being valley-folded.
  • the narrowest part 37 of the 2nd concave curve line 35 is located in the center part of a wearer's inseam, the movement of a wearer's footstep is not inhibited by the absorptive core 22, and absorption is also carried out.
  • No wrinkles that induce leakage of bodily fluids are formed on both sides of the sex core 22.
  • the absorbent core 22 is arranged so as to follow the shape of the wearer's buttocks and so as to cover it. Can be absorbed and retained.
  • the length dimension L ⁇ b> 5 in the direction of the longitudinal axis P of the portion of the front waist region 11 that is bent outward along the first folding guide portion 27 is about 60 mm. Therefore, in the state where the diaper is worn, the front end 35a (the first bent portion 25) of the second bent line 35 is positioned at the first bent line 34 where the absorbent core 22 is positioned to be shifted about 30 mm forward and backward. Is located about 30 mm behind the front end (the front end 30a of the second folding guide portion 30), and the narrowest portion 37 is located about 30 mm behind the narrowest portion 36 of the first concave line 34.
  • the position of the bent portion 24 after bending is adjusted so as to match the position of the wearer's groin. Moreover, since the length dimensions L6 and L7 in the direction of the longitudinal axis P of the first and second folding regions 32 and 33 are larger than the length dimension L5 of the portion that is bent outward, the portions are bent. Even if the position of the absorbent core 22 is displaced, the shapes of the side edges 22c and 22d can be deformed in accordance with the displacement.
  • the inner edges of the first and second bent areas 32 and 33 that is, the second bent guide part 30 and the third bent guide part 31 have a concave shape with respect to the vertical axis P. Therefore, when the 1st and 2nd bending area
  • the outer edges of the first and second bent regions 32, 33 that is, the portions facing the second and third bent portions 30, 31 in the side edges 22c, 22d of the absorbent core 22 are lateral Since it has a shape bent convexly outward in the direction of the axis Q, the areas of the first and second bent regions 32 and 33 are widened as compared with the case where it extends straight. can do.
  • regions 32 and 33 may have a curved shape instead of the bent shape.
  • the outer shape of the absorbent core 22 can be appropriately changed according to the respective forms, so that the first and second wearing forms are possible.
  • the absorbent core 22 can be brought into close contact with the wearer's body, and the movement of the wearer's body is not inhibited by the absorbent core 22.
  • the second and third bending guide portions 30 and 31 are formed by embossing or slits, but the rigidity of the first and second bending regions 32 and 33 and the other of the absorbent core 22 You may form by providing the height difference of rigidity in a site
  • the first and second folding regions 32 and 33 have higher rigidity than other parts, they are bent outward along the second and third folding guide portions 30 and 31.
  • the first and second folding regions 32 and 33 can be bent not only on the outside but also on the inside via the second and third bending guide portions 30 and 31, and can be bent on either the inside or the outside.
  • the effects described in the present specification are exhibited.
  • FIG. 8 is an exploded plan view of the diaper 10 according to the second embodiment of the present invention. Since the basic configuration of the diaper 10 of the present embodiment is substantially the same as that of the first embodiment, only differences will be described below.
  • a strand-like elastic element 63 extending in the direction of the longitudinal axis P is disposed in the crotch region 13 so as to overlap the first bent region 32 and the second bent region 33 of the absorbent core 22. ing.
  • the elastic element 63 is disposed so as to overlap the first bent region 32 and the second bent region 33, the region is formed in the second and third bent guide portions 30 and 31.
  • a single elastic element 63 may be provided instead of a single elastic element 63.
  • the same effect can be obtained as long as it extends in the vicinity thereof.
  • the elastic element 63 does not intersect the first and second bending regions 32 and 33 and extends in the direction of the longitudinal axis P between them, the front and rear end portions and the first and second end portions If the distance between the bent regions 32 and 33 is about 5.0 to 10.0 mm, even if the elastic element 63 does not intersect with the first and second bent regions 32 and 33, the elongation stress is increased. It acts on the 1st and 2nd bending area
  • FIG. 9 is a developed plan view of the diaper 10 according to the third embodiment of the present invention. Since the basic configuration of the diaper 10 of the present embodiment is substantially the same as that of the first embodiment, only differences will be described below.
  • the first decoration line 70 extending in the direction of the horizontal axis Q along the front edge 11 a of the front waist region 11 and the second decoration along the first concave curve line 34.
  • a line 71 is formed on the skin facing surface of the diaper main body 14.
  • a third decorative line 72 that overlaps the central portion 27 a of the first bending guide portion 27 and extends in the direction of the horizontal axis Q, and a fourth decorative line 73 along the second concave curved line 35 are formed.
  • the first and second lines 70 and 71 have the same decoration, and the third and fourth decoration lines 72 and 73 have a different decoration from the first and second lines 70 and 71.
  • the decoration refers to a visual mark such as a color, a pattern, a symbol, or a mark.
  • the same decoration is given to the front end edge 11a of the front waist region 11 located in the upper end by the side of a wearer's abdomen, and the 1st concave curve line 34, and in the 2nd wearing form, a wearer's
  • the same decoration is given to the portion that overlaps the central line 27a of the first folding guide portion 27 located at the upper end of the abdomen side and the second concave line 35, the wearer and the wearer can be wearing each wearing form. It is possible to visually recognize the concavely curved lines 34 and 35 used in the above.
  • the 2nd decoration line 71 and the 4th decoration line 73 may be formed only from the decoration given to the 2nd bending guide part 30 and the 3rd bending guide part 31, respectively.
  • FIG. 10 is a perspective view of the diaper 10 in the fourth embodiment of the present invention
  • FIG. 11 is a diagram showing a wearing form of the diaper 10 in the fourth embodiment
  • FIG. 12 is a development plane of the diaper 10 in the fourth embodiment.
  • FIG. Since the basic configuration of the diaper 10 of the present embodiment is substantially the same as that of the first embodiment, only differences will be described below.
  • the third fastening element 57 is provided on the outer surface of the front waist region 11 of the diaper 10. Specifically, the third fastening element 57 is located below the second fastening element 18 with the bending guide display portion 28 interposed therebetween, and has the same configuration as the second fastening element 18.
  • the front waist region 11 of the diaper 10 of the present embodiment is divided into an upper region 11A located above the first folding guide portion 27 and a lower region 11B located below the upper region 11B.
  • the upper region 11A of the front waist region 11 is bent inwardly toward the skin-facing surface of the lower region 11B along the first bending guide portion 27, and the tape fastener tabs 15, 16
  • the diaper 10 can be worn while a part of the front waist region 11 is bent inside. Therefore, also in this embodiment, the 1st wearing form shown in Drawing 10 and the 2nd wearing form shown in Drawing 11 can be used selectively.
  • the absorbent core 22 can be brought into close contact with the wearer's inguinal portion by appropriately and selectively using, the same effects as those of the first embodiment can be obtained.
  • the diaper 10 of the present invention is not limited to a newborn baby but can be easily adjusted in size among a plurality of sizes such as S, M, and L sizes for a normal infant diaper.
  • various known materials that are usually used in this type of field can be used for each component of the diaper 10 without limitation.
  • the terms “first” and “second” are merely used to distinguish similar elements, positions, and the like.
  • Disposable wearing articles 11 front waist region 11a front edge 12 of front waist region rear waist region 13 crotch region 14 article (diaper) main body 15, 16 tape fastener tab 17 first fastening element 18 second fastening element 22 absorbent cores 22c, 22d both side edges 23 Straight part 24 Concave part 27 1st bending guide part 27a Center part 30 of 1st bending guide part 2nd bending guide part 31 3rd bending guide part 32 1st bending area 33 2nd bending area 34 First concave line 35 Second concave line 63
  • Elastic element 70 First decorative line 71 Second decorative line 72 Third decorative line 73 Fourth decorative line L3 Length at a part of the outer edge of the first bent area
  • Dimension L4 Length dimension L5 at a part of the side edge of the second bent area L5 Length dimension from the center of the first guide section to the front edge of the front waist area L6 In the direction of the vertical axis of the first bent area Oh That the length L7 second

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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 concerne une couche jetable qui peut être ajustée en terme de taille de façon relativement aisée en repliant une partie d'une région de taille avant vers l'intérieur ou l'extérieur, et qui a un noyau absorbant qui peut être ajusté autour des jambes d'un porteur en modifiant la forme de sections concaves du noyau absorbant devant et derrière les courbes. Dans cet article à porter jetable, des emplacements qui s'étendent à l'extérieur dans la direction de l'axe vertical (Y) via des premières sections de guide de pliage qui s'étendent dans la direction de l'axe horizontal (Q) peuvent être pliés vers la surface faisant face à la peau ou la surface ne faisant pas face à la peau d'une région d'entrejambe (13). Des premières régions pliées (32) et des deuxièmes régions pliées (33), qui peuvent être pliées vers l'intérieur et l'extérieur du corps de couche principal (14), sont définies entre les deux bords latéraux (22c) du noyau absorbant (22) et des deuxièmes sections de guide de pliage (30), et entre les deux bords latéraux (22c) du noyau absorbant (22) et des troisièmes sections de guide de pliage (31), respectivement.
PCT/JP2011/068536 2010-09-30 2011-08-16 Article à porter jetable WO2012043082A1 (fr)

Applications Claiming Priority (2)

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JP2010223145A JP5627978B2 (ja) 2010-09-30 2010-09-30 使い捨て着用物品
JP2010-223145 2010-09-30

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Publication Number Publication Date
WO2012043082A1 true WO2012043082A1 (fr) 2012-04-05

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JP (1) JP5627978B2 (fr)
WO (1) WO2012043082A1 (fr)

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US9060904B2 (en) 2007-06-18 2015-06-23 The Procter & Gamble Company Disposable absorbent article with sealed absorbent core with substantially continuously distributed absorbent particulate polymer material
US9066838B2 (en) 2011-06-10 2015-06-30 The Procter & Gamble Company Disposable diaper having reduced absorbent core to backsheet gluing
US9072634B2 (en) 2007-06-18 2015-07-07 The Procter & Gamble Company Disposable absorbent article with substantially continuously distributed absorbent particulate polymer material and method
US9216116B2 (en) 2012-12-10 2015-12-22 The Procter & Gamble Company Absorbent articles with channels
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US9326896B2 (en) 2008-04-29 2016-05-03 The Procter & Gamble Company Process for making an absorbent core with strain resistant core cover
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US9763835B2 (en) 2003-02-12 2017-09-19 The Procter & Gamble Company Comfortable diaper
JP2017164071A (ja) * 2016-03-14 2017-09-21 ユニ・チャーム株式会社 使い捨ておむつ
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US10149788B2 (en) 2011-06-10 2018-12-11 The Procter & Gamble Company Disposable diapers
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US10322040B2 (en) 2015-03-16 2019-06-18 The Procter & Gamble Company Absorbent articles with improved cores
US10470948B2 (en) 2003-02-12 2019-11-12 The Procter & Gamble Company Thin and dry diaper
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US10632029B2 (en) 2015-11-16 2020-04-28 The Procter & Gamble Company Absorbent cores having material free areas
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US11090199B2 (en) 2014-02-11 2021-08-17 The Procter & Gamble Company Method and apparatus for making an absorbent structure comprising channels
US11123240B2 (en) 2016-04-29 2021-09-21 The Procter & Gamble Company Absorbent core with transversal folding lines
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