WO2015002328A1 - 使い捨てパンツ型おむつ - Google Patents

使い捨てパンツ型おむつ Download PDF

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Publication number
WO2015002328A1
WO2015002328A1 PCT/JP2014/068829 JP2014068829W WO2015002328A1 WO 2015002328 A1 WO2015002328 A1 WO 2015002328A1 JP 2014068829 W JP2014068829 W JP 2014068829W WO 2015002328 A1 WO2015002328 A1 WO 2015002328A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
diaper
joined
crotch
sheet
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/JP2014/068829
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
栗田　典之
敬智 向井
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
Priority to CN201480046801.XA priority Critical patent/CN105491986B/zh
Priority to EP14820632.9A priority patent/EP3053562B1/en
Publication of WO2015002328A1 publication Critical patent/WO2015002328A1/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
    • A61F13/496—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 in the form of pants or briefs
    • 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
    • A61F13/49058—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 characterised by the modular concept of constructing the diaper
    • A61F13/4906—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 characterised by the modular concept of constructing the diaper the diaper having an outer chassis forming the diaper and an independent absorbent structure attached to the chassis
    • A61F13/49061—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 characterised by the modular concept of constructing the diaper the diaper having an outer chassis forming the diaper and an independent absorbent structure attached to the chassis the diaper having one or two waist members forming the diaper waist region and an independent absorbent structure attached to the one or two waist members forming the crotch region

Definitions

  • This invention relates to a disposable pants-type diaper.
  • a disposable pant-type diaper having a front panel forming a front waistline region, a rear panel forming a rear waistline region, and a crotch panel forming a crotch region is known. Also, in the up and down direction of the diaper, the rear panel extends longer than the front panel, and the long extending portion is used as a buttock cover portion that covers a part of the diaper wearer's buttock It is known.
  • an example of a disposable pull-on garment described in Japanese Patent Publication No. 2008-508082 is a pull-on diaper, and the diaper has an annular elastic belt, and the annular elastic belt includes a front belt portion and a rear belt. And a part.
  • the longitudinal length of the side panel in the rear belt portion is made to be longer than the longitudinal length of the corresponding side panel in the front belt portion.
  • a rectangular absorbent main body including an absorbent core extends between the front belt portion and the rear belt portion, and both end portions of the absorber main body are attached to the front belt portion and the rear belt portion.
  • the rear belt part forms a buttock cover on both sides of the absorbent main body.
  • the buttock cover is provided with an elastic member that extends in the lateral direction of the diaper.
  • Patent Document 2 The paper diaper described in Japanese Patent Application Laid-Open No. 2008-161572 (Patent Document 2) is of a pants type and has a ventral side exterior sheet and a back side exterior sheet, and extends from the back side to the ventral side through the crotch part.
  • the front end portion of the absorbent main body to be covered is connected to the inner surface in the center portion in the width direction of the ventral side exterior sheet, and the rear end portion is joined to the inner surface in the center portion in the width direction of the back side exterior sheet.
  • the backside exterior sheet has a main body portion and an extending portion that extends to the lower side of the main body portion.
  • the extending portion has a widthwise central portion that overlaps the absorbent main body, and a buttock cover portion that extends from both sides of the central portion.
  • a plurality of elastic members extending in the lateral direction of the diaper are attached to the buttocks cover portion in an extended state.
  • the subject of the present invention is that the gathers are not formed on the buttocks cover part or the gathers are hardly formed, and the disposable pants can approximate the appearance of the buttocks cover part and the crotch panel. It is the provision of mold diapers.
  • the present invention for solving the above problems has a vertical direction and a horizontal direction, a front panel that forms a front waistline region, a rear panel that forms a back waistline region, a crotch region, and a body fluid-absorbing property.
  • the present invention is to improve disposable pants-type diapers including a crotch panel including a core material.
  • this disposable pants-type diaper is as follows. In the lateral direction, both sides of the rear panel are joined to both sides of the front panel, and in the vertical direction, the rear panel extends further downward than the front panel and extends in the lateral direction. It includes a buttock cover portion in which no thread-like elastic member exists. In the vertical direction, the crotch panel has a front end joined to the front panel and a rear end joined to the buttocks cover so that the mass of the core material is supported by the front panel and the buttocks cover is doing.
  • the buttocks cover portion is not provided with an elastic member extending in a laterally extending state, and the core material of the crotch panel in the vertical direction of the diaper Is supported with the front panel.
  • the elastic member does not form a diaper side-by-side gather, and the buttock cover part pulls it downward by supporting the mass of the core material of the crotch panel Force acts. Therefore, the outer appearance of the buttock cover part looks smooth and the same as the crotch panel in which the gathers arranged in the lateral direction are not formed.
  • FIG. 3 illustrates specific embodiments of the invention and include not only the essential features of the invention, but also selective and preferred embodiments.
  • the partially broken top view of the extension diaper obtained from the diaper of FIG. FIG. 3 is a sectional view taken along line III-III in FIG. 2.
  • FIG. 2 which shows an example of an embodiment.
  • FIG. 4 which shows an example of an embodiment.
  • the partial view of the extension diaper similar to FIG. 4 which shows an example of an embodiment.
  • FIG. 6 shows an example of an embodiment.
  • FIG. 6 which shows an example of an embodiment.
  • FIG. 4 which shows an example of an embodiment.
  • FIGS. 1 to 9 An embodiment of a disposable pants-type diaper according to the present invention will be described with reference to the accompanying drawings as follows.
  • the following embodiments relate to the disposable pants-type diaper shown in FIGS. 1 to 9 and include not only the indispensable structure of the invention but also selective and preferable structures.
  • FIG. 1 is a perspective view of a diaper 10 which is an example of a disposable pants-type diaper.
  • the diaper 10 includes an annular elastic waist panel 11 and a crotch panel 12.
  • the elastic waist panel 11 includes a front panel 13 that forms the front waistline region 7 and a rear panel 14 that forms the rear waistline region 8, and both the panels 13, 14 are at the side edges 13 a, 14 a of each other. They are overlapped and joined at a series of seams 15 arranged in the vertical direction A described later.
  • a waistline opening 16 is defined by the front panel 13 and the rear panel 14, and a pair of leg opening 17 is defined by the panels 13, 14 and the crotch panel 12.
  • a part of the crotch panel 12 forms a crotch region 9 (see FIG. 2).
  • the vertical direction and the horizontal direction of the diaper 10 are indicated by double-headed arrows A and B.
  • FIG. 2 shows a diaper obtained by unbonding the front panel 13 and the rear panel 14 in the joining region 15 and extending the panels 13 and 14 and the crotch panel 12 in a planar shape in the diaper 10 of FIG.
  • FIG. 2 shows a diaper obtained by unbonding the front panel 13 and the rear panel 14 in the joining region 15 and extending the panels 13 and 14 and the crotch panel 12 in a planar shape in the diaper 10 of FIG.
  • the front panel 13 is formed by interposing a plurality of elastic members 23 extending in parallel with each other in the lateral direction B between the inner sheet 21 and the outer sheet 22 that overlap each other.
  • the inner sheet 21 and the outer sheet 22 are bonded to each other via, for example, a hot melt adhesive (not shown), and the elastic member 23 is bonded to at least one of the inner and outer sheets 21, 22 such as a hot melt adhesive (not shown).
  • Front panel 13, a top edge 26, a lower edge 27, and a side edge 13b, and the upper edge 26 and lower edge 27 has a dimension L F laterally B.
  • Side edges 13b have a size W F in the vertical direction A (see FIG. 1).
  • the rear panel 14 includes a main region 35 formed by interposing a plurality of elastic members 33 extending in parallel with each other in the lateral direction B between the inner sheet 31 and the outer sheet 32 that overlap each other, and a collar portion Cover portion 40.
  • the collar cover portion 40 is below the main area 35 and includes the inner surface sheet 31 and the outer surface sheet 32, but does not interpose the stretched elastic member 33.
  • the inner surface sheet 31 and the outer surface sheet 32 are joined to each other via, for example, a hot melt adhesive (not shown), and the elastic member 33 is attached to at least one of the inner and outer surface sheets 31, 32, for example, a hot melt adhesive (see FIG. (Not shown).
  • Back panel 14 a top edge 36, a lower edge 37, and a side edge 14b, and the upper edge 36 and lower edge 37 has a dimension L R in the lateral direction B. Opposite side edges 14b has a dimension W R in the vertical direction A. Dimensions L R is equal to the size L F of the front panel 13. Of dimensions W R, the dimensions of the main region 35 is W 1, the dimensions of the hip cover portion 40 a W 2, the dimension W 1 is equal to the dimension W F in the front panel 13. Thus, the panel 14 of the diaper 10 of Figure 1, overlap the main region 35 having a dimension W 1 is a front panel 13, located below the lower edge 27 of the hip covering portion 40 before panel 13 having dimensions W 2 is doing.
  • the crotch panel 12 has a front end portion 41 and a rear end portion 42, and the front end portion 41 is joined to the inner surface of the front panel 13 via, for example, a hot melt adhesive 43.
  • the rear end portion 42 is joined to the inner surface of the collar cover portion 40 of the rear panel 14 via, for example, a hot melt adhesive 44.
  • the crotch panel 12 also has both side edges 46 extending in the vertical direction A and a pair of containment flaps 47 extending along each side edge 46.
  • the containment flap 47 has a lower part 48 extending from the side edge 46 toward the center line P of the diaper 10 and an upper part 49 folded back at an inner edge 48a of the lower part 48.
  • An elastic member 49a extending to A is attached in a stretched state so as to be contractible (see also FIG. 3).
  • the lower portion 48 is joined to the inner surface sheet 50 of the crotch panel 12 via a hot melt adhesive 51, for example, and the upper portion 49 is joined to the lower portion 48, for example, via a hot melt adhesive 52.
  • at least the hot melt adhesive 52 of the hot melt adhesives 51 and 52 is positioned above the lower edge portion 43 a in the vertical direction A in the application range of the hot melt adhesive 43. It is applied so as to be positioned in front of the vertical direction A.
  • the lower portion 48 is joined to the inner sheet 50 of the crotch panel 12 via, for example, a hot melt adhesive 53, and the upper portion 49 is joined to the lower portion 48 via a hot melt adhesive 54.
  • At least the hot melt adhesive 54 of the hot melt adhesives 53 and 54 is applied so as to be positioned above the lower edge portion 44 a in the vertical direction A in the application range of the hot melt adhesive 44. .
  • the rear end portion 42 of the crotch panel 12 including the containment flap 47 is fixed to the rear panel 14 above the lower end edge 37 of the rear panel 14. Therefore, the upper portion 49 of the containment flap 47 in the rear end portion 42 of the crotch panel 12 is joined to the lower portion 48 in the lower portion 48 of the portion located above the lower end edge 37. is there.
  • the containment flap 47 can join a part of the upper part 49 to the rear panel 14 or join the lower part 48 and the upper part 49 to the rear panel 14.
  • the containment flap 47 in such a joined state is easily pulled up integrally with the elastic waist panel 11 when the elastic waist panel 11 is picked and the diaper 10 is pulled up along the body, and the diaper 10 is worn. It becomes easy.
  • FIG. 3 is a cross-sectional view taken along line III-III crossing the crotch panel 12 in the crotch region 9 in FIG.
  • the inseam panel 12 is obtained by coating an absorbent material 56 formed of pulverized wood pulp, a mixture of pulverized wood pulp and super absorbent polymer particles, or the like with a wrapping sheet 57 formed of a liquid-permeable sheet such as tissue paper.
  • An absorbent body 55 an inner sheet 50 formed of a liquid-permeable fiber nonwoven fabric and covering at least the inner surface of the absorbent body 55, a liquid-impervious and moisture-permeable plastic film, and the like And a liquid-impervious leakproof sheet 58 that covers the outer surface of the absorbent body 55, and an outer sheet that is formed of a comfortable nonwoven fabric and covers the outer surface of the leakproof sheet 58. 59.
  • the absorber 55 is joined to the inner sheet 50 and the leak-proof sheet 58 via a hot melt adhesive (not shown), for example, and the leak-proof sheet 58 and the outer sheet 59 are joined via a hot-melt adhesive 61, for example. is doing.
  • the inner surface sheet 50 and the leak-proof sheet 58 extend from the peripheral edge of the absorber 55 and overlap each other, and are joined via, for example, a hot melt adhesive 61.
  • the lower portion 48 of the containment flap 47 formed of a fiber nonwoven fabric overlaps the outer surface sheet 59 and is joined to each other via, for example, a hot melt adhesive 61.
  • a leg-hole elastic member 62 is interposed between the lower part 48 and the outer sheet 59 that are joined to each other, and is extended to at least one of the lower part 48 and the outer sheet 59 in a state of being extended in the vertical direction A. It is fixed. In the containment flap 47 when the diaper 10 is in the state shown in FIG.
  • the elastic member 49a in the upper part 49 contracts, so that the lower part is folded in FIGS. 48 and the upper portion 49 rise upward in the figure as shown by phantom lines in FIG. 3, that is, toward the inside of the diaper 10 and act to prevent side leakage of body fluid.
  • the main regions 35 of the front panel 13 and the rear panel 14 have thread-like elastic members 23 and 33 extending in the lateral direction B.
  • the gathers 66 and 67 lined up in the lateral direction B are generated by the contraction.
  • the thread-like elastic member in the extended state is not disposed in the collar cover portion 40 in the rear panel 14, no gathering occurs.
  • a slight number of gathers may occur in the buttock cover portion 40 due to the gathers generated in the main area 35.
  • the rear end portion 42 of the crotch panel 12 is joined to the buttock cover portion 40, and the mass of the crotch panel 12 is supported by the front panel 13 and the buttock cover portion 40.
  • the force which pulls it toward the downward direction of the up-down direction A is acting.
  • the appearance of the buttock cover portion 40 in such a state is similar to the appearance of the crotch region 9 in the crotch panel 12 in which the gathers arranged in the lateral direction B are not formed at all or are hardly formed.
  • the buttock cover portion 40 and the crotch region 9 that partially overlap each other can make the lower end portion of the rear panel 14 have a smooth appearance over the entire lateral direction B.
  • the inner sheet 21 and the outer sheet 22 in the front panel 13 and the rear panel 14 are formed of, for example, a thermoplastic synthetic fiber having a fineness of 1-7 dtex, and a unit area of 7-20 g / m 2 .
  • Nonwoven fabrics having a hit weight, spunbond nonwoven fabrics, spunbond-meltblown-spunbond nonwoven fabrics, and the like can be used.
  • the inner surface sheet 21 may be formed of the same nonwoven fabric or may be formed of different nonwoven fabrics.
  • the outer sheet 22 may also be formed of the same nonwoven fabric or may be formed of different nonwoven fabrics.
  • the inner surface sheet 21 and / or the outer surface sheet 22 may include elastic yarns such as urethane elastic yarns and may be elastically extensible sheets.
  • elastic yarns such as urethane elastic yarns and may be elastically extensible sheets.
  • 500-700 dtex LYCRA registered trademark
  • 500-700 dtex LYCRA registered trademark
  • the inner surface sheet 50 is made of, for example, a thermoplastic synthetic fiber nonwoven fabric, a spunbond nonwoven fabric or an air-through nonwoven fabric having a fineness of 1-5 dtex and a mass per unit area of 7-35 g / m 2 . If necessary, it can be used after being hydrophilized.
  • a nonwoven fabric, a spunbond nonwoven fabric or a spunbond-meltblown-spunbond nonwoven fabric having a fineness of 1-7 dtex and a mass per unit area of 10-30 g / m 2 can be used.
  • a plastic film having a thickness of 0.01 to 0.03 mm more preferably a gas-permeable and liquid-impervious plastic film can be used.
  • a gas-permeable and liquid-impervious plastic film for example, 500-700 dtex LYCRA (registered trademark) can be used by extending 2-3 times.
  • the collar cover portion 40 is formed by the inner sheet 21 and the outer sheet 22 (see FIG. 2), but the collar cover section 40 includes the inner sheet 21 and the outer sheet 22. It may be formed only by any one of these. If the inner sheet 21 and the outer sheet 22 have different masses per unit area, the sheet having the larger mass per unit area is extended downward from the main region 35 and the buttock cover part 40 Is preferably formed.
  • the inner sheet 21 and / or the outer sheet 22 can be made of a laminated sheet in which two fiber nonwoven fabrics are laminated or a laminated sheet in which a fiber nonwoven fabric and a moisture-permeable plastic film are laminated. Moreover, it can make with such a lamination sheet.
  • FIG. 4 is a schematic diagram of the diaper 10 developed by unsealing seams on both sides in order to obtain a different form from the diaper 10 of FIG.
  • illustration of the containment flap 47 in the crotch panel 12 is omitted.
  • the main region 35 and the buttock cover portion 40 of the rear panel 14 are formed by separate first and second members 71 and 72, and the first and second members 71 and 72 overlap each other. In 73, it joins by adhesion
  • the first member 71 forming the main area 35 is made of the same material as that forming the main area 35 in FIG. 2, and the structure of the first member 71 is the same as that of the main area 35 in FIG. It is the same as the structure.
  • the buttock cover portion 40 can be made of the same material as the inner surface sheet 21 and the outer surface sheet 22 forming the buttock cover portion 40 of FIG. 2, and has a different thickness from the inner surface sheet 21 and the outer surface sheet 22 of FIG. It can also be made of a fiber nonwoven fabric having a mass per unit area. Moreover, it can also make with the fiber nonwoven fabric which uses the thermoplastic synthetic resin in which a kind differs from the thermoplastic synthetic resin currently used in the inner surface sheet 21 and the outer surface sheet 22 of FIG. For example, the buttock cover portion 40 can be made of an elastic sheet containing urethane elastic yarn.
  • the buttock cover portion 40 is difficult to fold, regardless of whether it is in a packaged state or a worn state.
  • the appearance can be kept good.
  • the part of the buttock cover part 40 shown in the figure can be cut off along the imaginary line 74 to change the shape of the buttock cover part 40.
  • FIG. 5 is also a view similar to FIG. 4 showing an example of the diaper 10.
  • the elastic member 33 is disposed in the main region 35 at a portion 73 where the first member 71 and the second member 72 overlap.
  • FIG. 6 is also a schematic diagram showing an example of the unfolded diaper 10, but only a part of the diaper 10 is shown.
  • the main region 35 and the buttock cover portion 40 in the rear panel 14 have the same dimensions in the lateral direction B.
  • the lateral dimension L C buttock cover 40 is small.
  • Hip cover portion 40 in consideration of the size of the buttock to be covered, it is possible to dimension L c to an appropriate size.
  • FIG. 7 is also a view similar to FIG. 7 showing an example of the diaper 10.
  • the diaper 10, buttock cover 40 is being divided in the transverse direction so as to separate opposite sides of the center line P, and a right hip cover portion 40 R and the left hip cover portion 40 L.
  • right and left mean right and left for a wearer (not shown) when the diaper 10 is worn.
  • Crotch panel 12 be formed so as to extend over the right hip cover portion 40 R and the left hip cover portion 40 L, right hip cover portion 40 R and the left hip cover portion 40 L and the relative eg hot melt adhesive
  • the lower joining area 77 is joined via 44.
  • the crotch panel 12 also has an extension portion 79 extending upward from the buttock cover portions 40 R and 40 L , and the extension portion 79 is interposed, for example, via a hot melt adhesive 44 in an upper joining area 81 formed at the upper end portion thereof. Are joined to the main area 35.
  • the separation distance M 2 between the lower joining area 77 and the upper joining area 81 on the crotch panel 12 is larger than the separating distance M 1 between the lower joining area 77 and the upper joining area 81 on the rear panel 13.
  • the extension 79 has a slack. Therefore, the mass of the absorbent body 55 (see FIG. 3) in the crotch panel 12 is supported by the front panel 13 and the buttock cover portion 40 as in the diaper 10 of FIG.
  • a portion having a Z-shaped folding portion in the extension portion 79 and the folding portion can be extended in the vertical direction A is used. That's fine.
  • FIG. 8 is a view similar to FIG. 7 showing an example of the embodiment, and the crotch panel 12 has a lower joint area 77 and an upper joint area 81, but the buttock cover portion 40 is similar to that of FIG. made have dimensions L C in the transverse direction B are the same in dimension L R in the major area 35. Also in the diaper 10 of FIG. 8, the mass of the absorber (see FIG. 3) is supported by the buttock cover portion 40 and the front panel 13.
  • FIG. 9 is also a view similar to FIG. 4 showing an example of the embodiment.
  • a hook member 82 of a mechanical fastener is attached to a required portion of the outer surface of the crotch panel 12, while a loop that is paired with the hook member is attached to a required portion of the front panel 13 and the buttock cover portion 40.
  • a member 83 is attached.
  • the crotch panel 12 can be attached to and detached from the front panel 13 and the buttock cover portion 40 by using these members 82 and 83.
  • Disposable comprising a front panel having a vertical direction and a lateral direction, forming a front waistline region, a rear panel forming a rear waistline region, and a crotch panel forming a crotch region and having a bodily fluid-absorbing core material
  • the rear panel has both side portions joined to both side portions of the front panel in the lateral direction, and extends further downward than the front panel in the vertical direction.
  • the crotch panel is supported by the front panel and the buttock cover portion.
  • the front end part is joined to the front panel, and the rear end part is joined to the collar cover part.
  • the present invention disclosed in the above paragraph can include at least the following embodiments.
  • the embodiments can be adopted separately or in combination with each other.
  • the rear panel includes a main portion whose both side portions are joined to the front panel and the heel cover portion, and is located on the inner side and the outer side of the diaper with the elastic member interposed therebetween.
  • the sheet pieces forming the inner side or the outer side of the sheet piece extends in the downward direction, thereby forming the flange cover portion.
  • the sheet piece is formed of any one of a fiber nonwoven fabric, a moisture-permeable plastic film, and a laminated sheet of the fiber nonwoven fabric and the moisture-permeable plastic film.
  • the rear panel includes a main portion whose both side portions are joined to the front panel and the heel cover portion, and is a fiber nonwoven fabric, a moisture-permeable plastic film, and a fiber that are separate from the main portion.
  • One of the sheet pieces of the laminated sheet of the nonwoven fabric and the moisture-permeable plastic film is joined to the main part to form the collar cover part.
  • the collar cover portion extends in the lateral direction so as to reach both side portions of the main portion.
  • the collar cover portion is divided into two so as to face each other with a center line that bisects the dimension between the both side portions of the rear panel.
  • the crotch panel extends in the upward direction beyond the rear end portion joined to the buttock cover portion, and the lower joint portion and the main portion joined to the buttock cover portion
  • An upper joint part that joins the upper part, and a distance between the lower joint part and the upper joint part on the crotch panel is larger than a separation distance between the lower joint part and the upper joint part on the rear panel. The distance is longer, and there is a slack between the lower joint and the upper joint of the crotch panel.
  • the collar cover portion is formed of a sheet piece having elastic extensibility.
  • the main portion includes an elastic member in a state where the main portion extends in the lateral direction at a portion overlapping the sheet piece forming the collar cover portion.
  • the crotch panel includes a containment flap on both sides in the lateral direction, and the containment flap extends from the front panel to the rear panel through the crotch region and overlaps the front panel.
  • a front end portion and a rear end portion overlapping the rear panel, and the rear end portion is located above the lower end edge of the buttock cover portion in the vertical direction of the diaper and on the inner surface of the crotch panel and the rear panel It is fixed to one of the inner surfaces.

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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/JP2014/068829 2013-09-30 2014-07-15 使い捨てパンツ型おむつ Ceased WO2015002328A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201480046801.XA CN105491986B (zh) 2013-09-30 2014-07-15 一次性裤型尿布
EP14820632.9A EP3053562B1 (en) 2013-09-30 2014-07-15 Disposable pants-type diaper

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-205644 2013-09-30
JP2013205644A JP6253087B2 (ja) 2013-09-30 2013-09-30 使い捨てのパンツ型おむつ

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WO2015002328A1 true WO2015002328A1 (ja) 2015-01-08

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PCT/JP2014/068829 Ceased WO2015002328A1 (ja) 2013-09-30 2014-07-15 使い捨てパンツ型おむつ

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JP6393662B2 (ja) * 2015-06-29 2018-09-19 ユニ・チャーム株式会社 吸収性物品
JP2025521325A (ja) 2022-06-30 2025-07-08 ザ プロクター アンド ギャンブル カンパニー 引裂ゾーンを有する脆弱経路を有する吸収性物品

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EP3053562B1 (en) 2022-03-02
JP6253087B2 (ja) 2017-12-27
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JP2015066356A (ja) 2015-04-13
EP3053562A1 (en) 2016-08-10
CN105491986B (zh) 2019-11-08

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