WO2015198658A1 - 使い捨て着用物品 - Google Patents

使い捨て着用物品 Download PDF

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Publication number
WO2015198658A1
WO2015198658A1 PCT/JP2015/058374 JP2015058374W WO2015198658A1 WO 2015198658 A1 WO2015198658 A1 WO 2015198658A1 JP 2015058374 W JP2015058374 W JP 2015058374W WO 2015198658 A1 WO2015198658 A1 WO 2015198658A1
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WO
WIPO (PCT)
Prior art keywords
crotch
region
elastic
elastic body
rear waist
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2015/058374
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English (en)
French (fr)
Japanese (ja)
Inventor
賢一 笹山
邦彦 桂川
守 大尾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unicharm Corp
Original Assignee
Unicharm Corp
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 Unicharm Corp filed Critical Unicharm Corp
Publication of WO2015198658A1 publication Critical patent/WO2015198658A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • 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
    • A61F13/531—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 having a homogeneous composition through the thickness of the pad
    • A61F13/532—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 having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—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 having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression

Definitions

  • the present disclosure relates to disposable wearing articles, and more particularly, to disposable wearing articles such as disposable toilet training pants, disposable incontinence pants, and disposable sanitary pants.
  • Patent Document 1 has a front waist region, a rear waist region, and a crotch region located between the front and rear waist regions, and has an outer shape sheet (chassis) and a shape in which both side edges are recessed in the crotch region.
  • a pants-type disposable diaper including a liquid-absorbing structure (absorbing main body) including an absorbent core is disclosed.
  • the absorbent core has a concave curved shape on both side edges in the crotch region along the body, so that the fit is improved and the leg of the leg is absorbed by the relatively rigid absorbent core. The movement is not hindered.
  • the both side edges of the absorbent core have a concave curved shape, the area for absorbing body fluid is reduced. Therefore, when a relatively large amount of bodily fluid is excreted, the bodily fluid cannot be sufficiently absorbed in the central portion of the crotch area where the concave curved portion is located, facing the excretion opening of the wearer. May leak.
  • An object of the present invention is to provide a disposable wearing article including a liquid absorbing structure excellent in liquid absorbing performance.
  • the present invention includes a longitudinal direction and a lateral direction, a lateral center line that bisects the longitudinal dimension and extends in the lateral direction, a skin facing surface and a non-skin facing surface,
  • a disposable wearing article comprising a front waist region, a rear waist region, and a crotch region located between the front and rear waist regions, and a liquid absorbing structure having an absorbent core disposed at least in the crotch region It is.
  • the wearable article according to the present invention can be elastically contracted at least in the lateral direction so as to overlap the absorbent core only in the front waist region side of the lateral center line in the crotch region of the liquid-absorbing structure.
  • a crotch auxiliary elastic body is provided.
  • the disposable wearing article according to the present invention of the present disclosure at least in the lateral direction so as to overlap the absorbent core of the liquid absorbing structure only on the front waist region side of the lateral center line in the crotch region. Since the crotch auxiliary elastic body that can be elastically contracted is disposed, the absorbent core at the position where the crotch auxiliary elastic body is disposed contracts in the lateral direction. Thus, the wearer can easily move the leg. In addition, when wearing a wearing article, it is easy to pass the legs because the lateral dimension of the absorbent core on the front waist region side of the crotch region is small.
  • the crotch auxiliary elastic body is not arranged on the rear waist region side of the crotch region, in the absorbent core of the crotch region, the lateral dimension of the absorbent core on the rear waist region side is the front waist region side. It is relatively larger than the lateral dimension of the absorbent core. Therefore, the wearer's back side can be sufficiently covered. Furthermore, on the front waist region side of the crotch region, the lateral dimension of the absorbent core can be reduced by the contraction force of the crotch auxiliary elastic body, and the absorption capacity can be prevented from decreasing, and the movement of the legs can be prevented. Easiness and easy passage of legs can be realized.
  • FIG. 5 is a schematic cross-sectional view taken along line VV in FIG. 3.
  • the top view which shows the liquid absorption structure of the state which only the crotch auxiliary elastic body contracted.
  • FIG. 13 is a cross-sectional view similar to FIG. 5, taken along line XIII-XIII in FIG. 12.
  • the following embodiment relates to the disposable wearing article shown in FIGS. 1 to 16 and includes not only an indispensable structure of the invention but also a selective and preferable structure.
  • the pull-on diaper 10 shown as an example of a disposable wearing article has a longitudinal direction Y and a transverse direction X, a longitudinal center line P extending in the longitudinal direction Y by dividing the transverse direction X into two, and a longitudinal direction Y dimension. It has a transverse center line Q that bisects and extends in the transverse direction X, and includes an absorption chassis 11 and an annular elastic waist panel 12.
  • the diaper 10 includes a crotch positioned between a skin facing surface and a non-skin facing surface on the opposite side, a front waist region 13, a rear waist region 14, and front and rear waist regions 13,14. It has a region 15, a waist opening and a pair of leg openings 16.
  • the waist opening is defined by an annular elastic waist panel 12
  • the pair of leg openings 16 is defined by an absorption chassis 11 and an annular elastic waist panel 12.
  • the crotch region 15 is divided into a front portion 15A located on the front waist region 13 side from the lateral center line Q and a rear portion 15B located on the rear waist region 14 side from the lateral center line Q.
  • the elastic waist panel 12 includes a front waist panel 18 that defines a front waist region 13 and a rear waist panel 19 that defines a rear waist region 14.
  • the front and rear waist panels 18 and 19 are opposed to the intermediate inner end edges 18a and 19a in the longitudinal direction Y while crossing the front and rear end parts 30 and 31 of the absorbent chassis 11 and extending in the lateral direction X.
  • outer end edges 18b, 19b extending in the lateral direction X
  • both side edges 18c, 19c extending from the outer end edges 18b, 19b to the crotch region 15, and both side edges 18c, 19c and the intermediate inner end edges 18a, 19a are connected.
  • a substantially trapezoidal shape is formed by the concavely curved inner edges 18d and 19d.
  • Each of the side edges 18c of the front waist panel 18 and each of the side edges 19c of the rear waist panel 19 are overlapped with each other and connected by side seams 20 extending intermittently in the longitudinal direction Y, thereby forming a waist opening and a pair.
  • Leg openings 16 are defined.
  • the sheets of the side edges 18c and 19c that overlap each other are fused by embossing / debossing by heat or ultrasonic waves.
  • the front and rear waist panels 18 and 19 are inner layer sheets 21 and 22 positioned on the skin facing surface side, outer layer sheets 23 and 24 positioned on the non-skin facing surface side, and a plurality of strings or strands extending in the lateral direction X
  • the front and rear waist elastic bodies 25 and 26 are made of an elastic material and are attached between the inner layer sheets 21 and 22 and the outer layer sheets 23 and 24 so as to be contractible in a stretched state via a hot melt adhesive.
  • the front waist elastic body 25 is composed of a pair of inner front waists that are arranged opposite to each other in the lateral direction X and an outer front waist elastic body 25A extending in the lateral direction X along the outer edge 18b of the front waist panel 18. And an elastic body 25B.
  • the rear waist elastic body 26 is composed of an outer rear waist elastic body 26 ⁇ / b> A extending in the lateral direction X along the outer edge 19 b of the rear waist panel 19 and a pair of inner rear waists disposed so as to face each other in the lateral direction X. It includes an elastic body 26B and a pair of flange elastic bodies 26C that extend in a concave manner along the inner edge 19d and that are spaced apart from each other in the lateral direction X.
  • the front waist panel 18 has a front first elastic region (front waist elastic region) 27A provided with elasticity in at least the lateral direction X by the outer front waist elastic body 25A, and at least a lateral direction by the inner front waist elastic body 25B. And a front second elastic region (front waist elastic region) 27B provided with elasticity to X.
  • the front waist panel 18 includes a front first elastic region 27A where the elastic force of the outer front waist elastic body 25A acts and a front second elastic region 27B where the elastic force of the inner front waist elastic body 25B acts. And have.
  • the inner front waist elastic body 25B in the front second elastic region 27B is in a state where it does not cut or substantially exhibits a required contraction force at a portion overlapping with an absorber 34 described later in plan view (for example, 1.0 to 1.. 3).
  • the front second elastic region 27B includes a pair of front elastic regions 27C that are positioned to face each other in the lateral direction X, and the front inelastic region 27D is positioned between the pair of front elastic regions 27C. It is possible to prevent the absorbent body 34 from shrinking in the lateral direction X by causing the contraction force to be substantially not exhibited at the portion where the inward front waist elastic body 25B overlaps the absorbent body 34.
  • the outer end of the front waist panel 18 can be fitted to the wearer's body by the contraction force of the outer front waist elastic body 25 ⁇ / b> A continuous in the lateral direction X, and the inner front waist on both sides of the absorbent body 34.
  • the elastic body 25B can fit the inner part of the front waist panel 18 according to the shape of a wearer's body by the contraction force.
  • the rear waist panel 19 includes a rear first elastic region (rear waist elastic region) 28A that has been provided with elasticity in at least the lateral direction X by the outer rear waist elastic body 26A, an inner rear waist elastic body 26B, and a buttocks elastic body. And a rear second elastic region (rear waist elastic region) 28B provided with elasticity in at least the lateral direction X by 26C.
  • the rear waist panel 19 has a rear first elastic region 28A to which the elastic force of the outer rear waist elastic body 26A acts, and a rear elastic panel 26C to which the elastic forces of the inner rear waist elastic body 26B and the buttocks elastic body 26C act.
  • a second elastic region 28B is another elastic region 28B.
  • the elastic bodies 26B and 26C in the rear second elastic region 28B are not cut or substantially contracted in a portion overlapping the absorber 34 in plan view (for example, expanded by 1.0 to 1.3 times). State).
  • the rear second elastic region 28B includes a pair of rear elastic regions 28C that are spaced apart from each other in the lateral direction X, and a rear inelastic region 28D is positioned between the pair of rear elastic regions 28C. It is possible to prevent the absorber 34 from contracting in the lateral direction X by causing the elastic bodies 26 ⁇ / b> B and 26 ⁇ / b> C to be in a state in which the contraction force is not substantially expressed in the portion where the absorber 34 overlaps.
  • the outer end of the rear waist panel 19 can be fitted to the wearer's body by the contraction force of the outer rear waist elastic body 26 ⁇ / b> A continuous in the lateral direction X, and the elastic body 26 ⁇ / b> B is formed on both sides of the absorber 34. , 26C, the inner portion of the rear waist panel 19 can be fitted to the shape of the wearer's body.
  • the front first elastic region 27A, the front second elastic region 27B, the rear first elastic region 28A, and the rear second elastic region 28B are both side seams that connect the front waist panel 18 and the rear waist panel 19 with their elasticity. It extends over the entire area in the horizontal direction X between the two.
  • the various sheets constituting the front and rear waist panels 18, 19, that is, the inner layer sheets 21, 22 and the outer layer sheets 23, 24 are, for example, hydrophobic spunbond fiber nonwoven fabric or SMS (spun span) having a mass of about 15 to 30 g / m 2. Bond / melt blown / spun bond) fiber nonwoven fabric, moisture permeable plastic film or laminate sheet with at least one of the fiber nonwoven fabrics.
  • the sheets laminated on each other are joined to each other by a hot melt adhesive applied at an interval to at least one of the inner surfaces or the heat welding means.
  • the front and rear waist elastic bodies 25 and 26 are made of, for example, a string-like or strand-like elastic material having a fineness of about 300 to 1200 dtex and stretched about 2.0 to 3.0 times from a contracted or relaxed state. Can be formed.
  • the absorption chassis 11 has a vertically long, substantially rectangular shape, and is connected to the front end 30 connected to the skin facing surface of the front waist panel 18 and to the skin facing surface of the rear waist panel 19.
  • the rear end portion 31 and the intermediate portion 32 that extends in the longitudinal direction Y between the front and rear end portions 30 and 31 and forms a part of the crotch region 15.
  • the absorption chassis 11 includes a liquid-absorbing structure 37 having a body-side liner 33 made of a fiber nonwoven fabric having liquid permeability and an absorbent body 34 whose skin facing surface side is covered with the body-side liner 33, and liquid-impervious or hydrophobic. Cover sheet 38 and a leak-proof sheet 39 located between the liquid-absorbing structure 37 and the cover sheet 38.
  • the liquid absorption structure 37 is further formed of rectangular first and second auxiliary sheets 35A and 35B and a plurality of string-like or strand-like elastic materials extending in the lateral direction X, and the first and second auxiliary sheets Between the 35A and 35B, for example, a crotch elastic body 36 attached so as to be contractible under extension in the lateral direction X with a hot melt adhesive is included.
  • the first and second auxiliary sheets 35A and 35B and the crotch elastic body 36 include a crotch auxiliary elastic body (extensible / extensible sheet element) 40 that provides elasticity in at least the lateral direction X in the front portion 15A of the crotch region 15. Form.
  • a crotch elastic region 29A where the expansion and contraction force of the crotch elastic body 36 acts is defined in the crotch region 15 (see FIG. 3).
  • the crotch elastic region 29A is a region where the expansion and contraction force of the crotch elastic body 36 acts, includes a region where the crotch elastic body 36 exists, and does not include the crotch elastic body 36.
  • a region where wrinkles occur in the auxiliary sheets 35A and 35B due to the stretching force is also included.
  • the bodyside liner 33 can be, for example, the mass of about 10 ⁇ 40 g / m 2 hydrophilized spunbonded fibrous nonwoven fabric may be formed from a SMS nonwoven fabric.
  • Cover sheet 38 is, for example, can be formed from a liquid-impervious or hydrophobic fibrous nonwoven fabric of weight approximately 15 ⁇ 30g / m 2, the leak-proof sheets 39, for example, mass of about 10 ⁇ 20g / m 2 It can be formed from a liquid impermeable and moisture permeable plastic film.
  • the absorbent 34 includes, for example, an absorbent core 34d formed of wood fluff pulp or superabsorbent polymer particles, a tissue paper having a mass of about 10 to 20 g / m 2 covering the entire absorbent core 34d, and a fiber nonwoven fabric. And a liquid-permeable core cover sheet 34e.
  • the absorber 34 extends from the crotch region 15 to the front and rear waist regions 13 and 14 and includes front and rear end edges 34a and 34b extending in the horizontal direction X, and both side edges 34c extending in the vertical direction Y and connecting the front and rear end edges 34a and 34b. It has a rectangular shape in which the dimension in the horizontal direction X is constant over the entire area in the vertical direction Y.
  • the first and second auxiliary sheets 35A and 35B of the crotch auxiliary elastic body 40 can be formed from, for example, a fiber nonwoven fabric having a mass of about 10 to 30 g / m 2 .
  • the first and second auxiliary sheets 35A and 35B are optional, and the crotch elastic body 36 can be disposed directly between the absorber 34 and the leak-proof sheet 39, but the semi-rigid absorber 34 Compared to the case where the crotch elastic body 36 is directly attached, the crotch elastic body 36 can be stably attached to the absorber 34 by interposing the first auxiliary sheet 35A, and the second auxiliary sheet 35B is provided. Thus, the crotch elastic body 36 can be prevented from coming off from the absorbent core 34.
  • the crotch auxiliary elastic body 40 is disposed in the front portion 15A of the crotch region 15. More specifically, the crotch auxiliary elastic body 40 is disposed on the non-skin facing surface side of the absorbent core 34d so as not to overlap the front and rear waist panels 18 and 19 while overlapping the absorbent core 34d in plan view. By arranging the crotch auxiliary elastic body 40 on the non-skin facing surface side of the wrinkle absorbent core 34d, generation of wrinkles on the skin facing surface side of the absorbent core 34d can be suppressed.
  • the crotch elastic body 36 for example, a string-like or strand-like elastic material having a fineness of about 300 to 1000 dtex and stretched about 1.3 to 2.5 times from a contracted or relaxed state is used. it can.
  • a plurality of crotch elastic bodies 36 are arranged at regular intervals of 3 to 20 mm, and the extension forces of the plurality of crotch elastic bodies 36 are substantially equal.
  • an elastic sheet may be used instead of the first and second auxiliary sheets 35A and 35B and the string-like or strand-like crotch elastic body 36.
  • the elastic sheet examples include a stretchable fiber nonwoven fabric and an elastic film made of an elastomer fiber having a rectangular shape that is the same shape and size as the first and second auxiliary sheets 35A and 35B and having a mass of about 15 to 60 g / m 2. Can be used.
  • the elastic sheet is preferably fixed in a state of being stretched about 1.5 to 2.5 times in the lateral direction X as compared with the non-stretched dimension.
  • the crotch elastic body 36 is disposed at the center in the lateral direction X, and the dimension L1 of the crotch elastic body 36 in the lateral direction X is the width of a pair of distal portions 46 of the covering sheet 38 to be described later. It is smaller than the separation dimension L2 in the direction X. Further, the crotch auxiliary elastic body 40 crosses the center in the horizontal direction X (crosses the vertical center line P (see FIG. 3)), and the dimension L3 in the horizontal direction X of the crotch auxiliary elastic body 40 is a covering sheet. It is smaller than the separation dimension L2 in the lateral direction X of the pair of 38 distal portions 46. Specifically, the dimension L1 in the case of an adult pull-on diaper is preferably 100 to 200 mm, the dimension L2 is preferably 150 to 250 mm, and the dimension L3 is preferably 125 to 225 mm.
  • the covering sheet 38 includes a central portion 41 positioned on the bottom surface of the leak-proof sheet 39 and both side portions 42 positioned on the outer side in the lateral direction X from both side edges of the leak-proof sheet 39.
  • Both side portions 42 of the covering sheet 38 are bent to the inner surface side along the folding lines located outside the both side edges of the leakage preventing sheet 39 and fixed to the skin facing surface side of the body side liner 33.
  • the both side portions 42 are fixed to the body-side liner 33, the both-end fixing portions 44 that are spaced apart from each other in the longitudinal direction Y, and both sides that are fixed to both side edges of the body-side liner 33.
  • the edge of the distal portion 46 has a sleeve shape obtained by bending the outer edge of the covering sheet 38, and one or more string-like or strand-like cuff elastic bodies 47 extending in the longitudinal direction Y are provided on the edge. Is arranged to be contractable in the extended state.
  • a barrier cuff 49 is formed in which the edge portion is separated from the body side liner 33 toward the wearer's body, and the barrier cuff 49 fits the thigh to prevent leakage of excrement.
  • a plurality of string-like or strand-like leg elastic bodies 48 are disposed on the side portions 42 of the covering sheet 38 at portions where the covering sheet 38 is bent (see FIGS. 4 and 5).
  • the front second elastic region 27B of the front waist panel 18 includes a pair of front elastic regions 27C that are opposed to and spaced from each other in the lateral direction X, and between the pair of front elastic regions 27C. Since the front inelastic region 27D is located, the contraction force of the front second elastic region 27B does not act directly on the front end portion 30 of the absorption chassis 11, and the dimension in the lateral direction X of the front end portion 30 is the inner front waist. It does not become small by the contraction of the elastic body 25B.
  • the rear second elastic region 28B of the rear waist panel 19 includes a pair of rear elastic regions 28C that are opposed to and spaced from each other in the lateral direction X, and a rear inelastic region is interposed between the pair of rear elastic regions 28C. 28D is located, the contraction force of the rear elastic region 28C does not act directly on the rear end portion 31 of the absorption chassis 11, and the dimension in the lateral direction X of the rear end portion 31 is the contraction of the rear second waist elastic body 26B. It will not become smaller.
  • the semi-rigid absorbent core has a substantially rectangular shape, there is a risk that it will be stiff and impair the wearing feeling.
  • the absorbent core may indirectly contact the body and hinder the walking motion. is there.
  • an absorbent core having a concave curved portion formed in advance so that both side edges of the absorbent core conform to the body shape is known, but the absorbent core has an absorption capacity. descend. Therefore, it is difficult to achieve a balance between preventing the absorption capacity of the absorbent core from decreasing and improving the wearing feeling of the diaper.
  • the diaper 10 at least horizontally so as to overlap the absorbent core 34 d only in the front waist region 13 side of the lateral center line Q in the crotch region 15 of the liquid absorbing structure 37. Since the crotch auxiliary elastic body 40 that can be expanded and contracted in the direction X is disposed, the absorbent core 34d having a substantially rectangular shape having no concave curved portion is contracted by the crotch auxiliary elastic body 40 when worn. The dimension of the absorbent core 34d in the lateral direction X is reduced to be narrow.
  • both side edges 34c of the absorbent core 34d exhibit a concave curved shape along the wearer's body shape, the feeling of wearing the diaper 10 is improved while preventing the absorption capacity of the absorbent core 34d from decreasing. be able to.
  • the crotch auxiliary elastic body 40 is arranged so that the center in the longitudinal direction Y of the front portion 15A of the crotch region 15 does not have a shape protruding sideways, and is sandwiched between the thighs when worn. Since the width is apparently narrow, a clean impression can be given in appearance.
  • the absorbent body 34 merely forms a small wrinkle by disposing a plurality of crotch elastic bodies 36 at regular intervals, and prevents the formation of a relatively large wrinkle that induces leakage of bodily fluids. Can do.
  • the external force is not applied to the diaper 10, and the elastic bodies 25, 26, 36, 47, 48 are contracted in the unweared state in the lateral direction X of the absorbent core 34 d in the front waist region 13.
  • first dimension is about 220 mm
  • second dimension is about 150 mm
  • the second dimension is preferably about 60% or more of the first dimension.
  • the dimensional ratio (second dimension / first dimension) is smaller than about 60%, the shrinkage force of the crotch elastic body for reducing the dimension in the transverse direction X of the absorbent core becomes relatively large, and the shrinkage There is a possibility that a relatively large gather is formed by the action to induce leakage of body fluid in the absorbent core.
  • the dimensional ratio is more preferably 80% or more.
  • the absorbent core 34 d has a dimension in the lateral direction X in the entire longitudinal direction Y. It has a rectangular shape that is constant.
  • the absorbent core 34d in this state has the same dimension in the lateral direction X in the crotch region 15 as the dimension in the lateral direction X in the front and rear waist regions 13 and 14.
  • the dimension of the horizontal direction X of the absorbent core 34d in the part which has the crotch auxiliary elastic body 40 may be larger than the dimension of the horizontal direction X of the absorbent core 34d in the front and rear waist regions 13 and 14.
  • the dimensional ratio is preferably 105% or less. If it is larger than 105%, the dimension in the transverse direction X of the absorbent core 34d in the portion becomes too large, and it is difficult to move the leg easily.
  • the dimension in the transverse direction X of the absorbent core 34d in the portion having the crotch auxiliary elastic body 40 and the dimension in the transverse direction X of the absorbent core 34d in the front and rear waist regions 13 and 14 break the side seam 20 extending in the longitudinal direction Y. Measured in a non-wearing state where no external force is applied to the diaper 10.
  • the crotch auxiliary elastic body 40 is locally disposed only in the front portion 15A of the crotch region 15, so that the movement of the wearer's legs is not hindered while suppressing the decrease in the absorption capacity.
  • the absorbent core 34d can be bent. Further, the absorbent core 34d contracts by the crotch auxiliary elastic body 40, so that the absorbent core 34d is lifted in a direction in which the part approaches the body, further reducing the gap between the body and the weight after absorbing the body fluid. Even in the applied state, the lifted state can be maintained. Therefore, the state in which the leg can be easily moved can be continued during use.
  • the crotch auxiliary elastic body 40 is positioned at the front side portion 15 ⁇ / b> A of the crotch region 15 with respect to the dimension W ⁇ b> 1 in the lateral direction X of the absorbent core 34 d in the front waist region 13.
  • the dimension W2 in the transverse direction X of the core 34d is apparently relatively small, as shown in FIG. 2, the dimension W3 in the transverse direction X of the absorbent core 34d in the rear waist region 14 and the rear side of the crotch region 15
  • the dimension W4 in the lateral direction X of the absorbent core 34d in the portion 15B is not reduced.
  • this region has a sufficient absorption area, it is possible to reliably absorb a relatively large amount of excrement such as bodily fluids and loose stool excreted in the rear waist region 14 and the rear side portion 15B.
  • the end portion of the buttocks elastic body 26C is positioned so as to overlap with both side edges 34c of the absorber 34 in plan view (see FIG. 3) in the rear portion 15B (see FIG. 3). It is possible to prevent the rear end portion 31 of the absorption chassis 11 from expanding in the lateral direction X by the contracting action of the absorption chassis 11 and the side edges 34c of the absorber 34 from being lifted away from the body.
  • the front second elastic region 27B includes a pair of front elastic regions 27C that are located opposite to each other in the lateral direction X, and the front inelastic region 27D is positioned between the pair of front elastic regions 27C.
  • the contraction force of the front second elastic region 27B is not directly applied to the front end portion 30 of the front end portion 30, and the size of the front end portion 30 in the lateral direction X is not reduced by the contraction of the inner front waist elastic body 25B.
  • the rear second elastic region 28B includes a pair of rear elastic regions 28C that are located opposite to each other in the lateral direction X, and the rear inelastic region 28D is positioned between the pair of rear elastic regions 28C.
  • the contraction force of the rear second elastic region 28B is not directly applied to the rear end portion 31 of the chassis 11, and the size in the lateral direction X of the rear end portion 31 is reduced by the contraction of the inner rear waist elastic body 26B. Absent.
  • the front and rear waist elastic bodies 25 and 26 are disposed in the front and rear waist regions 13 and 14, and the position of the diaper 10 is such that the front and rear waist panels 18 and 19 are fitted to the wearer's body 17 by contracting mainly. It has a function to prevent deviation (hold function).
  • the crotch auxiliary elastic body 40 is disposed only in the front portion 15A of the crotch region 15, and the shrinkage causes the side edges 34c of the absorber 34 to bend so as to conform to the body shape, thereby improving the fit.
  • the center part of the absorbent core 34d can be pressed against the wearer's body 17 by the contraction force.
  • the front and rear waist elastic bodies 25 and 26 and the crotch elastic body 36 having different functions are arranged such that the contraction force does not act directly so that they do not interlock.
  • the front and rear waist elastic bodies 25, 26 and the crotch elastic body 36 are separated from each other in the longitudinal direction Y by a given dimension L4, L5 (see FIG. 3). More specifically, the front second elastic region 27B where the contraction force of the front waist elastic body 25 acts, the rear second elastic region 28B where the contraction force of the rear waist elastic body 26 acts, and the crotch elastic region 29A. They are arranged so that they do not overlap in plan view.
  • the front and rear waist panels may be moved downward (the same applies hereinafter when the diaper is worn) by the stretching force of the crotch auxiliary elastic body.
  • the front and back waist panels of the diaper 10 may be displaced downward
  • the crotch elastic region 29A and the front and rear waist panels 18 and 19 do not overlap in plan view. Therefore, the front and rear waist panels 18 and 19 are not moved downward by the expansion and contraction force of the crotch elastic body 36.
  • the diaper 10 includes a front waist panel 18 that defines the front waist region 13 and a rear waist panel 19 that defines the rear waist region 14.
  • the front waist panel 18 and the rear waist panel 19 are separated from each other.
  • the front and rear end portions 30 and 31 of the absorption chassis 11 that face each other and include the liquid absorbing structure 37 are fixed to the front and rear waist panels 18 and 19.
  • the liquid absorption structure 37 is suspended in a hammock shape with respect to the front and rear waist panels 18 and 19, but the front and rear waist elastic bodies of the front and rear waist panels 18 and 19 25 and 26 can prevent the diaper 10 from shifting downward.
  • a pair of bending guide grooves 50 extending in the longitudinal direction Y and overlapping with the crotch auxiliary elastic body 40 in plan view are positioned.
  • the bending guide groove 50 has a slit shape in which the absorbent core 34d does not exist in the absorber 34, or a bottomed shape in which the absorbent core 34d is locally thin, and is mainly located in the front portion 15A. It has a straight part 50a and an inclined part 51b that is located on the rear portion 15B and bends and extends outward from the straight part 50a in the lateral direction X.
  • the mass per unit area of the absorbent core 34d in the portion is reduced in advance, or the thickness is increased as a whole.
  • a method of locally compressing the absorbent core 34d having substantially the same size and forming a high-density compressed portion can be adopted.
  • the bending guide groove 50 and the crotch auxiliary elastic body 40 are positioned so as to overlap each other in plan view, and thus the leg elastic body 48 and the cuff elastic body 47.
  • the portion located outside in the lateral direction X from the bending guide groove 50 moves slightly upward (body side) by the contraction force.
  • the width dimension of the slit by the bending guide groove 50 is reduced by the contraction action of the crotch auxiliary elastic body 40, the dimension in the lateral direction X at the portion is smaller than that in the first embodiment. , Smaller.
  • the central portion 55 located between the bending guide grooves 50 is reduced in size in the lateral direction X by the contracting action of the crotch auxiliary elastic body 40 and exhibits a shape that is convex upward. Therefore, in the present embodiment, the bending guide groove 50 cooperates with the crotch auxiliary elastic body 40 to form the front portion 15A narrower, and the central portion 55 abuts the wearer's excretion opening. It is provided with an auxiliary function for moving it upward (in a wearing state).
  • the contraction forces of the plurality of crotch elastic bodies 36 constituting the crotch auxiliary elastic body 40 are set to be different from each other.
  • the contraction force in the lateral direction X of the crotch elastic body 36A disposed on the most front waist region 13 side of the crotch region 15 is the smallest, and gradually increases from the crotch elastic body 36A toward the lateral center line Q.
  • the contraction force in the direction X is set to be large, and the contraction force in the horizontal direction X of the crotch elastic body 36B located closest to the horizontal center line Q is set to be maximum.
  • the crotch elastic body 36 can change the contraction force by changing the type, fineness, expansion ratio, and the like of the elastic material.
  • the size of the crotch auxiliary elastic body 40 in the lateral direction X is thus made different by differentiating the contraction force of the crotch elastic bodies 36 that are spaced apart from each other in the vertical direction Y by a given dimension. Since the width gradually decreases toward the lateral center line Q from the front waist region 13 side and gradually narrows toward the rear, the central portion of the absorbent core 34d is relatively wide like the front and rear end portions. Compared with the case where it is, it becomes easy to let a leg pass through the leg opening 16 at the time of wearing, and wearing operation becomes easy.
  • the relationship of the dimension in the lateral direction X of each part of the crotch auxiliary elastic body 40 in the crotch region 15 is that the lateral direction X on the lateral center line Q side when the contraction force of the crotch elastic body 36 acts. It is preferable to make the contraction force of the crotch elastic body 36 different so that the dimension is smaller than the dimension in the lateral direction X at the central portion in the longitudinal direction Y of the crotch auxiliary elastic body 40 and smaller than the dimension in the lateral direction X on the front waist region 13 side. .
  • the crotch region 15 is bent at the central portion in the longitudinal direction Y of the crotch auxiliary elastic body 40, and the lateral center line Q side of the crotch region 15 has the narrowest width.
  • the absorbent core 34d can be fitted to the wearer's crotch.
  • the liquid absorption structure 37 of the absorption chassis 11 of the present embodiment includes a first absorption part 61 located at the center in the horizontal direction X and both sides of the first absorption part 61 in the horizontal direction X.
  • a plurality of side elastic bodies (leg elastic bodies) 77 are attached to the surface of the second absorbent portion 63 opposite to the surface where the front and rear fixing portions 65 and 66 are located.
  • the absorber 34 has a rectangular shape, and the second absorption portion 63 is bent inward along the bending line 62 and fixed to the first absorption portion 61 via the front and rear fixing portions 65 and 66. .
  • the side elastic body 77 is extended in the wearing state of the diaper 10 by fixing both sides of the absorbent chassis 11 inwardly (inside down), and the second absorbent portion 63 is attached to the wearer's body. Get up toward.
  • the absorbent body 34 is formed with a plurality of concave grooves 67 extending in the longitudinal direction Y on the skin facing surface side.
  • the concave groove 67 is located on both sides of the central concave groove 68 in the lateral direction X and overlaps with the crotch auxiliary elastic body 40 in plan view. It has a pair of side concave grooves 69 which do not become.
  • Each central concave groove 68 includes a straight portion 68a that overlaps the crotch auxiliary elastic body 40 in plan view in the front portion 15A of the crotch region 15, and a bent portion from the straight portion 68a that is positioned in the rear portion 15B and laterally. And an inclined portion 68b extending to the outside of X.
  • the central concave groove 68 is formed in a thin bottomed shape in which the mass of the absorbent core 34d in the portion is previously reduced. Further, the side concave grooves 69 are positioned so as to overlap with the bent line 62 in plan view, and both end portions in the vertical direction Y have a pointed shape.
  • the side concave groove 69 is a slit formed by previously reducing the mass of the absorbent core 34d in the portion.
  • the central concave groove 68 is positioned so as to overlap the crotch auxiliary elastic body 40 in plan view, so that the front portion 15A becomes narrow. Further, in the wearing state of the diaper 10 in which the side elastic body 77 and the cuff elastic body 47 are contracted, the central concave groove 68 is narrowed by the contraction action of the crotch auxiliary elastic body 40 and is positioned between the central concave grooves 68. Since the dimension in the transverse direction X of the central portion 70 of the absorbent core 34d is reduced, the central portion 70 has a shape that is curved upward (in a diaper wearing state) (see FIG. 16). Further, as shown in FIG. 14, the side concave grooves 69 are positioned so as to overlap with the folding line 62 in plan view, whereby the absorber 34 can be easily bent (see FIG. 13).
  • the second absorption part 63 is connected to the first absorption part 61, the contact surface 73 ⁇ / b> A that contacts the wearer's body in the wearing state, the non-contact surface 73 ⁇ / b> B located on the opposite side. It has a base end edge portion 74 and a free side edge portion 75 located closer to the center side in the lateral direction X than the base end edge portion 74. Since the 2nd absorption part 63 is comprised from the absorber 34 and the liquid-permeable body side liner 33 which coat
  • the side elastic body 77 is located on the contact surface 73A side of the second absorption portion 63 and is disposed between the body side liner 33 and the liquid-permeable fixing sheet 76.
  • the fixing sheet 76 is optional, and a side elastic body 77 can be disposed between the body side liner 33 and the absorber 34.
  • the side elastic body 77 can be attached more stably by interposing the fixed sheet 76.
  • the second absorption part 63 divides the dimension in the lateral direction X into a first area 71 located on the free side edge 75 side and a second area 72 located on the base end edge 74 side. It is divided.
  • the mass per unit area of the absorbent core 34d (excluding the portion where the concave groove 67 was formed) in the first absorbent portion 61 and the second absorbent portion 63 was about 350 g / m 2 , and the concave groove 67 was formed. Except for the part, the entire thickness of the absorbent core 34d is substantially uniform. However, the thickness of the first absorption part 61 may be larger than that of the second absorption part 63 in order to absorb and retain a larger amount of body fluid in the first absorption part 61, and conversely, the second absorption. The thickness of the part 63 may be larger than that of the first absorption part 61.
  • the second absorbent portion 63 has a relatively high rigidity, and even if it is sandwiched between the wearer's crotch portions, it is difficult for the second absorbent portion 63 to fall down, and can maintain a raised state.
  • the crotch auxiliary elastic body 40 is arranged in the front side portion 15A in the first absorption part 61 of the crotch region 15, but is not arranged in the rear side portion 15B.
  • the lateral dimension X1 of the crotch elastic body 36 is smaller than the lateral dimension X10 of the second absorbent part 63 in the lateral direction X.
  • the crotch auxiliary elastic body 40 is disposed at the center in the lateral direction X, and the dimension L3 in the horizontal direction X of the crotch auxiliary elastic body 40 is smaller than the separation dimension L10 in the horizontal direction X of the second absorbent portion 63. .
  • the side elastic bodies 77 are evenly arranged over the entire width dimension (dimension in the lateral direction X) from the base end edge portion 74 to the free side edge portion 75 of the second absorption portion 63, and the second absorption portion 63 as a whole. Has elasticity. However, as long as the effects of the present invention to be described later are obtained, the side elastic body 77 may be disposed at least at the base end edge portion 74 and the free side edge portion 75 instead of the entire second absorption portion 63. Moreover, you may form from the elastic sheet instead of a string-form or strand-form elastic material.
  • both side portions 42 of the covering sheet 38 are bent inward and fixed onto the liquid absorbing structure 37 via the front and rear fixing portions 65 and 66.
  • Cuff elastic bodies 47 are disposed on both side portions 42, and both side portions 42 rise to the wearer's body side when the diaper 10 is worn by the contraction action, and barrier cuffs 49 are formed (see FIG. 13).
  • the second absorbent portion 63 rises toward the wearer's body 17 side due to the contraction force of the side elastic body 77.
  • the side elastic bodies 77 are arranged uniformly over the entire width dimension of the second absorbent portion 63, and the shrinkage dimensions of the first area 71 and the second area 72 due to the side elastic bodies 77.
  • the second absorbent portion 63 includes a compression elastic absorbent core 34d therein and has a required thickness and rigidity, the wearer's body is compared to a solid cuff formed only from a sheet member having elasticity. Thus, it is possible to suppress the formation of a gap that is more stably fitted and causes leakage of body fluid between the body 17 and the second absorption portion 63. Further, as in this embodiment, in the case of the diaper 10 in which the front and rear waist regions 13 and 14 are formed from separate front and rear waist panels 18 and 19 and are separated from each other at the crotch, the body fluid is absorbed. Where the absorption chassis 11 slides down due to its own weight and is easily caught between the wearer's crotch, the second absorbent portion 63 fits the body in a relatively wide range, and thus it is possible to prevent such sliding down.
  • the absorption efficiency is higher than when only a part of the second absorption part 63 fits and absorbs body fluid.
  • at least the contact surface 73A of the second absorption part 63 has hydrophilicity, it leaks out beyond the apex (free side edge) 75 of the second absorption part 63 across the body.
  • the absorbed body fluid can be absorbed and held on the skin-facing surface (outer surface) of the second absorption part 63.
  • the excreted body fluid is the skin facing surface of the first absorption part 61 and the second absorption part 63.
  • the body fluid that passes through the non-contact surface 73B and is absorbed and held by the non-contact surface 73B and moves to the outer surface side through the top of the second absorption portion 63 through the body is absorbed and held from the contact surface 73A.
  • the non-contact surface 73B of the second absorption part 63 may not be hydrophilic but may be hydrophobic or liquid-impermeable.
  • the barrier cuff 49 of the covering sheet 38 rises toward the wearer's body by the contraction force of the cuff elastic body 47 on the outside of the second absorption portion 63. Since the width dimension W5 (see FIG. 16) of the barrier cuff 49 is smaller than the width dimension W6 (see FIG. 13) of the second absorption part 63, the second absorption part 63 is more in the barrier cuff 49 when they are raised. Higher and more fit to the wearer's body.
  • the barrier cuff 49 is normally liquid-impervious or water-repellent, and moves to the outer surface side of the second absorption part 63 through the wearer's body, and prevents leakage of excrement that is not absorbed by the outer surface. Have.
  • the second absorbing portion 63 raised by the contracting action of the side elastic body 77 is easily sandwiched between the groin portions and tends to fall outward.
  • the barrier cuff 49 is positioned on the outer side. Is prevented from falling outside. That is, the barrier cuff 49 plays a role of assisting the rising of the second absorption portion 63 while forming a double leak-proof wall together with the second absorption portion 63.
  • the absorption chassis 11 is likely to slide down due to its own weight after absorbing the body fluid, but not only the second absorption part 63 but also the barrier cuff 49 is fitted to the body. Therefore, this sliding can be prevented.
  • the rectangular absorbent core 34d is used, and the size of the absorbent core 34d in the lateral direction X at the center in the longitudinal direction Y is not reduced. 34d can be absorbed.
  • the wearer puts his / her leg forward during walking, but according to the diaper 10, in the first absorbent portion 61 of the crotch region 15 of the liquid absorbing structure 37, the front portion 15A has an absorbent core. Since the crotch elastic body 36 is disposed so as to overlap with 34d, and the crotch elastic body 36 contracts in the lateral direction X, the dimension in the lateral direction X of the first absorption portion 61 in the front portion 15A of the crotch region 15 is set. Can be small.
  • the crotch elastic body 36 is not disposed on the rear portion 15B side in the crotch region 15 of the liquid absorbing structure 37, the lateral dimension X of the first absorbent portion 61 is prevented from being reduced.
  • the absorbent core 34d can absorb a large amount of bodily fluid such as loose stool and can cover the buttocks.
  • the constituent materials constituting the diaper 10 of the present invention various known materials that are usually used in this type of field can be used without limitation, unless otherwise specified.
  • the front and rear waist regions 13 and 14 are not configured from separate sheet members, and the front and rear waist regions 13 and 14 and the crotch region 15 may be integrally formed.
  • the inner layer sheets 21 and 22 and the outer layer sheets 23 and 24 may be formed from a single substantially hourglass-shaped sheet member that forms the outer shape of the diaper 10.
  • first absorption portion 61 and the second absorption portion 63 are integrally formed.
  • the present invention is not limited to this, and the first absorption portion 61 and the second absorption portion are formed.
  • the absorber 63 may be formed separately.
  • the front waist panel 18 and the rear waist panel 19 are opposed to each other, and the front and rear end portions 30 and 31 of the liquid absorbing structure 10 are fixed to the separate front and rear waist panels 18 and 19. Described in the structure.
  • the present invention is not limited to the diaper 10.
  • the present invention can also be applied to a pull-on type diaper in which a plurality of sheets are stacked and a liquid absorbing structure is attached to the skin facing surface side of a chassis having a front and rear waist region and a crotch region.
  • the front and rear waist regions are obtained by extending a fastener in the lateral direction from both side edge portions in one of the front and rear waist regions, providing a target member on the other of the front and rear waist regions, and fastening the fastener to the target member.
  • a fastener in the lateral direction from both side edge portions in one of the front and rear waist regions, providing a target member on the other of the front and rear waist regions, and fastening the fastener to the target member.
  • the longitudinal elastic region is defined by the entire region in the lateral direction between the upper and lower ends of the fastener and the entire region in the lateral direction between the upper and lower ends of the target member.
  • a disposable wearing article including a liquid absorbing structure having an absorbent core and having a crotch area located between the areas, and disposed at least in the crotch area, the crotch area of the liquid absorbing structure
  • the crotch auxiliary elastic body that can be elastically contracted at least in the lateral direction is disposed so as to overlap the absorbent core only on the front waist region side of the lateral center line.
  • the disposable wearing article according to the present invention disclosed in the above paragraph [0059] can include at least the following embodiments.
  • the embodiments can be adopted separately or in combination with each other.
  • the front waist region has a front waist elastic region that is elastically contractible in the lateral direction and acts by a stretching force of a front waist elastic body extending in the lateral direction
  • the rear waist region is
  • the crotch region has a rear waist elastic region that can be elastically contracted in the lateral direction and the elastic force of the rear waist elastic body that extends in the lateral direction acts on the crotch region, and the elastic force of the crotch auxiliary elastic body acts on the crotch region
  • the front and rear waist elastic region and the crotch elastic region do not overlap each other in plan view.
  • the crotch auxiliary elastic body is disposed on the non-skin facing surface side of the absorbent core.
  • the crotch auxiliary elastic body has a plurality of string-like or strand-like elastic bodies, In the crotch elastic region, the contraction force of the crotch auxiliary elastic body is set so that the lateral dimension on the front waist region side is larger than the lateral dimension on the lateral centerline side.
  • the liquid absorption structure has a concave groove extending in the longitudinal direction, and the concave groove overlaps with a part of the crotch auxiliary elastic body in a plan view.
  • the front and rear end portions of the liquid absorption structure are fixed to the front and rear waist panels.
  • a pair of leg openings are defined by the front and rear waist panels and an absorption chassis including the liquid absorbing structure, and the front and rear waist elastic regions are spaced apart from each other in the lateral direction on the leg opening side.
  • a pair of elastic regions, and an inelastic region is located between the pair of elastic regions.

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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)
PCT/JP2015/058374 2014-06-27 2015-03-19 使い捨て着用物品 Ceased WO2015198658A1 (ja)

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JP7701282B2 (ja) * 2022-01-11 2025-07-01 大王製紙株式会社 ショーツ型吸収性物品

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0367619U (enExample) * 1989-07-18 1991-07-02
JP2001029388A (ja) * 1999-07-16 2001-02-06 Toyo Eizai Corp 使い捨てパンツ
JP2009240694A (ja) * 2008-03-31 2009-10-22 Uni Charm Corp 使い捨ておむつ
JP2012090818A (ja) * 2010-10-27 2012-05-17 Oji Nepia Co Ltd 吸収性物品
JP2012245303A (ja) * 2011-05-31 2012-12-13 Daio Paper Corp 使い捨て吸収性物品
JP2013230256A (ja) * 2012-04-27 2013-11-14 Unicharm Corp 使い捨ておむつ

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4250318B2 (ja) * 2000-08-31 2009-04-08 白十字株式会社 使い捨て吸収性物品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0367619U (enExample) * 1989-07-18 1991-07-02
JP2001029388A (ja) * 1999-07-16 2001-02-06 Toyo Eizai Corp 使い捨てパンツ
JP2009240694A (ja) * 2008-03-31 2009-10-22 Uni Charm Corp 使い捨ておむつ
JP2012090818A (ja) * 2010-10-27 2012-05-17 Oji Nepia Co Ltd 吸収性物品
JP2012245303A (ja) * 2011-05-31 2012-12-13 Daio Paper Corp 使い捨て吸収性物品
JP2013230256A (ja) * 2012-04-27 2013-11-14 Unicharm Corp 使い捨ておむつ

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