WO2016063913A1 - 使い捨ておむつ - Google Patents

使い捨ておむつ Download PDF

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Publication number
WO2016063913A1
WO2016063913A1 PCT/JP2015/079700 JP2015079700W WO2016063913A1 WO 2016063913 A1 WO2016063913 A1 WO 2016063913A1 JP 2015079700 W JP2015079700 W JP 2015079700W WO 2016063913 A1 WO2016063913 A1 WO 2016063913A1
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WO
WIPO (PCT)
Prior art keywords
region
width direction
area
absorbent core
waist
Prior art date
Application number
PCT/JP2015/079700
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
山中　康弘
拓也 深山
坂口　智
Original Assignee
ユニ・チャーム株式会社
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Filing date
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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 WO2016063913A1 publication Critical patent/WO2016063913A1/ja

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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
    • 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

Definitions

  • the present invention relates to disposable diapers.
  • the disposable diaper of Patent Document 1 has an elastic stretchable member that stretches in the width direction around the waist on the back side of the wearer.
  • the elastic stretchable member overlaps the absorbent core and extends outward in the width direction than the absorbent core.
  • the elastic stretchable member is disposed across the absorbent core in the width direction, and in the natural state, the entire elastic stretchable member in the rear waist region shrinks in the widthwise direction. Therefore, in the natural state, the length in the width direction of the rear waist region may not be secured.
  • this invention is made in view of the above-mentioned subject, and an object of the present invention is to provide a disposable diaper of a tape type which can improve fit around the waist while suppressing deterioration of the wearing property. .
  • a disposable diaper (disposable diaper 10) according to the present disclosure includes a front waist area (front waist area 20), a rear waist area (rear waist area 30), the front waist area and the rear waist area. And a crotch area (crotch area 25) positioned between the front waist area to the back waist area (longitudinal direction L), and a width direction perpendicular to the longitudinal direction (longitudinal direction L)
  • a pair of fastening tapes (fastening tapes 90) extending along the width direction in the rear waist region and secured to the front waist region, and straddling the crotch region
  • An absorbent core (absorbent core 40a) extending toward at least one of the front waist area and the rear waist area, and a waist stretch unit (waist around) disposed between the pair of fastening tapes and extending in the width direction
  • FIG. 2 is a cross-sectional view of the disposable diaper taken along line F1-F1 shown in FIG.
  • FIG. 2 is a cross-sectional view of the disposable diaper taken along line F2-F2 shown in FIG.
  • FIG. 4 shows typically the mounting
  • Fig. 4 (a) shows a fastening tape fixed to the front waist area and the wearer is in a lying state
  • FIG. 1 is a developed plan view of a disposable diaper 10 according to the present embodiment.
  • FIG. 2 is a cross-sectional view of the disposable diaper taken along line F1-F1 shown in FIG.
  • FIG. 3 is a cross-sectional view of the disposable diaper taken along line F2-F2 shown in FIG.
  • the developed view shown in FIG. 1 is a view in which the elastic members of the leg stretch unit 75 and the leg side stretch unit 80 are stretched until the wrinkles such as the top sheet 50 and the side flaps 70 constituting the disposable diaper are not formed. is there.
  • the disposable diaper 10 has a front waist region 20, a crotch region 25, and a back waist region 30.
  • the front waist region 20 is a portion in contact with the front waist region (belly region) of the wearer.
  • the back waist region 30 is a portion in contact with the back waist portion (back portion) of the wearer.
  • the crotch region 25 is located between the front waist region 20 and the back waist region 30.
  • a pair of leg openings 35 are formed.
  • the leg opening 35 is provided at the outer edge (outside end in the width direction) of the disposable diaper, and is a portion disposed along the periphery of the wearer's leg when the disposable diaper is worn by the wearer. .
  • the direction from the front waist area 20 to the rear waist area 30 is referred to as the longitudinal direction L
  • the direction orthogonal to the longitudinal direction L is referred to as the width direction W.
  • the disposable diaper 10 has an absorber 40.
  • the absorber 40 has an absorbent core 40 a and a core wrap 40 b.
  • the absorbent core 40 a straddles the crotch region 25 and extends from the crotch region 25 toward at least one of the front waist region 20 and the back waist region 30.
  • the absorbent core 40a is the same as that of a conventional disposable diaper, and can be appropriately configured using known members and materials such as ground pulp and a high absorption polymer.
  • the absorbent core 40a is wrapped by a sheet-like core wrap 40b.
  • the core wrap 40b is a sheet that covers the absorbent core 40a.
  • the rear end edge of the absorbent core and the rear end edge of the core wrap substantially coincide with each other. More specifically, the distance between the rear end edge of the absorbent core and the rear end edge of the core wrap is 5 mm or less.
  • a low basis weight region 110 in which the basis weight of the absorbent material is lower than that of other portions of the absorbent core 40a is formed.
  • the low basis weight region 110 is located at the center in the width direction of the rear end edge of the absorbent core 40a.
  • the width of the low basis weight region 110 in the width direction W becomes wider toward the rear end edge of the absorbent core 40a. More specifically, the low basis weight region 110 is wedge-shaped in plan view of the disposable diaper 10.
  • a liquid permeable top sheet 50 is provided on the surface side (skin facing surface side) of the absorber 40.
  • a liquid impermeable back sheet 60a is provided on the back surface side (non-skin facing surface side) of the absorber 40.
  • An exterior sheet 60 is provided on the back side of the back sheet 60a.
  • Side flaps 70 are provided on the outer edge of the absorbent body 40, respectively.
  • the side flaps 70 are disposed across the front waist area 20, the crotch area 25, and the rear waist area 30 and outside the absorber 40 in the width direction.
  • the side flaps 70 are formed of one or two or more plural non-woven fabrics.
  • the side flaps 70 are positioned closer to the skin facing surface than the absorbent core, and extend outward in the width direction than the absorbent core.
  • the inner edge of the side flaps covers the absorbent core, and the outer edge of the side flaps is disposed in the width direction outside the absorbent core.
  • the side flap 70 is provided with a pair of leg extension parts 75 which are disposed inward in the width direction than the leg openings 35 and can extend and contract in the longitudinal direction L.
  • the leg stretch unit 75 may be configured to be able to extend and contract the leg opening 35 in the longitudinal direction, and may be disposed along the leg opening 35, and a part of the leg stretchable unit 75 relative to the leg opening 35 You may arrange
  • a pair of leg side stretchable portions 80 extending along the longitudinal direction L is provided on the inner side in the width direction of the pair of leg stretchable portions 75.
  • the leg side stretchable portion 80 is provided at the inner end in the width direction of the side flap 70, and is a standing stretchable gather.
  • the disposable diaper 10 includes the crotch stretch unit 200 disposed in a region overlapping the absorber in the crotch region 25.
  • the crotch stretch unit 200 is configured to be able to maintain a flat shape in a part of the crotch region 25 when the disposable diaper is worn, as compared with other parts of the absorbent body 40.
  • the crotch stretch unit 200 is configured to be stretchable in at least the longitudinal direction L or the width direction W.
  • the first notch 115 and the second notch 125 are formed in the absorbent core 40a in the crotch region.
  • the first notch 115 and the second notch 125 are slits formed in the absorber 40.
  • the slit is a portion where no absorbent material is present.
  • the first notch 115 and the second notch 125 respectively have a notch shape extending inward in the width direction from the outer edge of the absorbent core 40a.
  • the disposable diaper may not have the crotch stretch unit 200, the first notch 115, and the second notch 125.
  • the fastening tape 90 is a pair, extends along the width direction W in the rear waist region 30, and is fixed to the non-skin facing surface of the front waist region 20, thereby allowing the disposable diaper 10 to be worn by the wearer. Hold on to the body.
  • the fastening tape 90 is attached to the area of the side flap 70 corresponding to the back waist area 30.
  • the fastening tape 90 includes a base sheet 91 connected to the side flaps 70, and a hook sheet 92 provided with engaging hooks (not shown) as a plurality of engaging members and fixed to the base sheet 91. Equipped with The hook sheet 92 is an area in which the engagement member is provided.
  • the target portion 95 is provided on the non-skin facing surface of the exterior sheet 60 in the front waist region.
  • the target portion 95 is configured such that the fastening hook of the fastening tape is hooked, and functions as a loop of the hook and loop locking system.
  • an air through non-woven fabric can be used as the target portion.
  • the disposable diaper may be configured such that the fastening tape 90 is fastened to the exterior sheet 60 in the front waist area without having the target portion.
  • an elastic waist portion 85 that can expand and contract in the width direction is provided between the pair of fastening tapes 90 in the width direction.
  • the waist elastics 85 contract in the width direction between the fastening tapes 90.
  • the waist elastic section 85 is made of an elastic sheet.
  • the waist elastic portion 85 is a portion that expands and contracts substantially in the width direction, and is a concept excluding the portion where the elastic sheet is disposed in a state where the expansion force is not exerted. Therefore, the outer edge of the waist elastic section described later is not the outer edge of the stretchable sheet, but the outer edge of the stretchable portion.
  • an elastic film with a basis weight of 20 to 45 g / m 2 is used as the waist elastic section 85.
  • the waist elastic unit 85 may be configured with another configuration such as a plurality of thread rubbers. The waist elastic section 85 is stretched to a predetermined magnification with respect to the length in the non-stretched state (natural state), and then adhered to the exterior sheet 60 by a hot melt adhesive or heat treatment or the like.
  • the waist elastic section 85 extends from the center in the width direction of the disposable diaper toward both sides in the width direction, and is constituted by a continuous sheet extending in the width direction.
  • the rear end edge of the waist elastic portion 85 is located forward of the rear end edge of the disposable diaper.
  • the rear end edge of the waist elastic portion 85 may coincide with the rear end edge of the disposable diaper.
  • the front end edge of the waist elastic portion 85 is located forward of the rear end edge of the absorbent core 40 a and forward of the rear end edge of the core wrap 40 b and rearward of the rear end edge of the leg elastic portion 75. . Therefore, at least a part of the waist elastic section 85 overlaps the absorbent core 40a in plan view of the disposable diaper.
  • the waist elastic portion 85 straddles the rear end edge of the absorbent core and the rear end edge of the core wrap, and extends rearward of the rear end edge of the absorbent core and the rear end edge of the core wrap.
  • the outer edge 85WO of the waist elastic portion 85 is positioned inward in the width direction than the inner edge (inward end in the width direction) of the fastening tape.
  • the waist elastic portion 85 and the fastening tape 90 are separated in the width direction.
  • the waist elastic portion 85 includes a first area 851, a second area 852 located inward of the first area 851 in the width direction, and a third area located inward of the second area 852 in the width direction.
  • the first region 851 extends inward in the width direction from both outer edges 85WO of the waist elastic portion.
  • the second region 852 extends inward in the width direction from the inner edge 851 WI of the first region 851.
  • the third region 853 extends inward in the width direction from the inner edge 852WI of the second region 852.
  • the first area 851, the second area 852, and the third area 853 of the present embodiment are continuous in the width direction. Therefore, non-stretchable regions that do not stretch in the width direction are not provided between the first region 851 and the second region 852 and between the second region 852 and the third region 853. Also, the inner edge 851WI of the first region 851 coincides with the outer edge 852WO of the second region 852 and the inner edge 852WI of the second region 852 coincides with the outer edge 853WO of the third region 853.
  • the first area 851, the second area 852, and the third area 853 may not be continuous in the width direction. That is, non-stretchable regions that do not stretch in the width direction may be provided between the first region 851 and the second region 852 and between the second region 852 and the third region 853.
  • the first region 851, the second region 852, and the third region 853 are configured such that the extension ratio in the width direction is different from that of the adjacent region.
  • the extension ratio of the first region 851 is different from the extension ratio of the second region 852.
  • the extension ratio of the second region 852 is different from the extension ratio of the third region 853.
  • the waist elastic portion 85 has four boundaries at which the expansion rate changes. Specifically, the extension ratio in the width direction of the second region 852 is lower than the extension ratio in the width direction of the first region 851. Further, the expansion ratio in the width direction of the third region 853 is higher than the expansion ratio in the width direction of the second region 852.
  • the relationship between the extension ratio in the width direction of the first region 851 and the extension ratio in the width direction of the third region 853 may be the same, or may be higher.
  • the extension ratio in the width direction of the third region 853 is higher than the extension ratio in the width direction of the first region 851.
  • the extension ratio in the width direction of the second region 852 may be higher than the extension ratio in the width direction of the first region 851, and may be higher than the extension ratio in the width direction of the third region 853. .
  • the outer edge 851WO of the first region 851 is located outside in the width direction than the outer edge of the absorbent core 40a.
  • the inner edge 851 WI of the first region 851 is located inward in the width direction than the outer edge of the absorbent core.
  • the first region is disposed across the outer edge of the absorbent core. Note that at least a part of the first region may be located outside in the width direction of the absorbent core, and the inner edge of the first region may be located outside in the width direction than the outer edge of the absorbent core, The inner edge of the first region may coincide with the outer edge of the absorbent core.
  • the second area 852 is located between the first area 851 and the third area 853.
  • at least a part of the first region 851, the second region 852, and the third region 853 having the lowest extension ratio is disposed inward in the width direction than the outer edge of the absorbent core 40a.
  • the second area 852 having the lowest expansion rate is disposed inward in the width direction than the outer edge of the absorbent core 40a.
  • the third region 853 is disposed across the center of the disposable diaper in the width direction.
  • the third region 853 preferably overlaps at least a part of the low basis weight region in plan view.
  • the waist elastic section 85 of the present embodiment may be symmetrical or asymmetrical with respect to a center line extending through the widthwise center of the disposable diaper and extending in the longitudinal direction.
  • both the left and right first regions 851 may straddle the outer edge of the absorbent core 40a, or one first region 851 may straddle the outer edge of the absorbent core 40a.
  • both of the left and right second regions 852 may be disposed inward in the width direction than the outer edge of the absorbent core 40a, and one second region 852 is wider than the outer edge of the absorbent core 40a. It may be arranged inside the direction.
  • a region having an elongation rate lower than that of the first region 851 may be provided on the outer side in the width direction than the first region 851.
  • the waist elastic portion 85 is positioned closer to the non-skin facing surface than the absorbent core 40a.
  • the waist elastic section 85 is disposed between the exterior sheet 60 and the back sheet 60a.
  • the waist elastic section 85 is disposed between the core wrap 40b and the back sheet 60a or the exterior sheet 60. May be
  • the position of the waist elastic portion is not particularly limited. Moreover, in the area
  • the waist stretch unit is configured to stretch in the width direction
  • the waist stretch unit may be configured to stretch in the width direction and the longitudinal direction.
  • the waist elastic portion and the absorbent core are joined via an adhesive.
  • the adhesive for bonding the waist elastic portion 85 and the absorbent core 40a is disposed in a plurality of rows continuously in the longitudinal direction, and the rows are disposed so as to overlap in the width direction.
  • the adhesive has a configuration in which a plurality of spiral shapes continuous in the longitudinal direction are arranged, and the rows overlap in the width direction, or are oscillated in the width direction, and a plurality of wave shapes continuous in the longitudinal direction are arranged And the row may overlap in the width direction.
  • the waist elastic portion 85 and the absorbent core 40a are not directly joined but indirectly joined via the back sheet 60a and the core wrap 40b.
  • the adhesive for bonding the waist elastic portion 85 and the back sheet 60a, the adhesive for bonding the back sheet 60a and the core wrap 40b, and the adhesive for bonding the core wrap 40b and the absorbent core 40a are continuous in the longitudinal direction. It is preferable to arrange in a plurality of rows, and to arrange each row so as to overlap in the width direction.
  • elongation rate means the degree of elongation, and shall be performed by the following measurement method.
  • the disposable diaper 10 When the disposable diaper 10 is enclosed in a package or the like, the disposable diaper 10 is removed from the package. Subsequently, the arrangement
  • the method of manufacturing the absorbent article includes at least a component forming step, a component placing step, a leg surrounding forming step, and a cutting step.
  • components constituting the absorbent article are formed.
  • the absorbent material is laminated to form the absorbent body 40, or the fastening tape 90 is formed.
  • an elastic sheet constituting the waist elastic section 85 On the web constituting the back sheet, an elastic sheet constituting the waist elastic section 85, another web such as the web constituting the top sheet, a leak-proof sheet, an absorber, leg elastic
  • the waist stretch unit 85 is stretched by a gear in the width direction.
  • the gear extension of the region e.g., the second region
  • the gear extension of the region e.g., the first region and the third region
  • the strength of the gear drawing can be adjusted by changing the depth of the convex part of the gear, the pitch of the convex part of the gear, and the number of times of the gear drawing.
  • the elongation of the strongly drawn regions is relatively high, and the elongation of the weakly drawn regions is relatively low.
  • the leg forming process cuts the top sheet 50, the exterior sheet 60, and the back sheet 60a. This forms a leg opening 35 which is arranged around the leg of the wearer.
  • the continuous body on which the top sheet 50, the back sheet 60a, the absorber 40, and the like are arranged is cut along the width direction W into one product. Thereby, disposable diaper 10 is manufactured.
  • the waist elastic section 85 of the disposable diaper has a first area 851, a second area 852 and a third area 853 which have different elongation rates.
  • the first area 851, the second area 852, and the third area 853 which have different elongation rates provide a strong fit area and a weak fit area, and the areas fit together so that they fit around the waist of the wearer. And fit can be enhanced.
  • FIG. 4 shows a state in which the fastening tape is fastened to the front waist area with the wearer's back placed on the back waist area of the disposable diaper, and the wearer sleeps.
  • the fastening tape 90 is fastened to the front waist area and the wearer is awake.
  • the stretch rate of the waist elastic part When trying to improve the fit, it is conceivable to increase the stretch rate of the waist elastic part as a whole.
  • the extension ratio of the waist elastic portion is increased overall, the width of the back waist region in the natural state may be too short.
  • the width of the disposable diaper can not be secured at the time of wearing, which makes it difficult for the wearing assistant to grasp the fastening tape 90, which may deteriorate the wearing property.
  • the fit can be enhanced without uniformly increasing the extension rate of the entire waist elastic part.
  • the first area 851, the second area 852 and the third area 853 are continuous in the width direction.
  • the respective regions expand and contract in conjunction with each other. Therefore, the fit can be secured in the region where the elongation rate is relatively high, and the width of the rear waist region can be secured in the region where the elongation rate is relatively low.
  • the fit around the waist can be enhanced while suppressing the deterioration of the fittability.
  • the second area 852 and the third area 853 at least a part of the second area 852 having the lowest expansion rate is located inward in the width direction than the outer edge of the absorbent core 40a.
  • the width of the absorbent core 40a may be too short in the natural state due to the contraction of the third region 853.
  • the width of the disposable diaper can not be secured at the time of fastening of the fastening tape, and it becomes difficult for the wearing assistant to grasp the fastening tape 90, and there is a possibility that the wearability may be deteriorated.
  • the second region 852 and the third region 853 are all over the width direction of the absorbent core 40a by locating the second region 852 having the lowest expansion rate inside the width direction of the outer edge of the absorbent core 40a. Be placed. Therefore, the width of the absorbent core 40a does not become too short in the natural state, and deterioration of the mounting property can be suppressed.
  • a body pressure of a wearer applies to the back waist area 30 of a disposable diaper at the time of fastening of a fastening tape.
  • the wearer's body is placed so as to cover the full width of the absorbent core 40a when worn. Therefore, when pulling the fastening tape 90, the part located in the width direction outer side rather than a wearer's body, ie, the area
  • the mounting assistant may not know how long the fastening tape 90 may be stretched and may not be able to fasten at the correct position.
  • the wearing assistant stretches the first area 851 and fixes the fastening tape 90. . Since the wearing assistant easily extends the first region 851, the wearing assistant can easily grasp the range in which the first region 851 can be extended. Therefore, the mounting assistant can grasp the range in which the fastening tape 90 is stretched and fasten the fastening tape at the correct position.
  • the first region 851 is disposed at a position to hit the hip bone beside the wearer.
  • the second region 852 and the third region 853 are in a state in which the physical pressure of the wearer is applied and it is difficult to expand and contract.
  • the body pressure applied to the rear waist region 30 of the disposable diaper is reduced.
  • the first area 851, the second area 852 and the third area 853 interlock to set the first area 851 as a base point.
  • the second region 852 and the third region 853 expand and contract as
  • the first area 851 is already stretched when the fastening tape is attached, as compared to the second area 852 and the third area 853.
  • the extension ratio of the second region 852 is lower than the extension ratio of the first region 851 and lower than the extension ratio of the third region 853.
  • the second area 852 and the third area 853 respectively expand and contract, the second area 852 having a relatively low expansion rate relative to the first area 851 is pulled toward the first area 851 and the expansion rate is relatively increased.
  • the third region 853 having a high height pulls the second region 852 inward in the width direction, and the second region 852 extends.
  • the first area 851 is located closer to the fastening tape, it extends when the fastening tape 90 is attached to the target portion 95.
  • the third region 853 which is difficult to extend in the width direction than the second region 852 makes the second region 852 located between the first region 851 and the third region 853 uniform in the width direction. As a result, the second region 852 can be evenly fitted to the body without weakening the baby's body.
  • the waist bone of the wearer is strongly fitted by the first region 851.
  • the dorsal side of the wearer's side lower than the hip bone has less hip bone, and the wearer's body is relatively soft.
  • the portion with less hip bone is weakly fitted by the second region 852.
  • the fit of the wearer's body is relatively strong, and the fit of the wearer's body is soft, so that the fit of the wearer's body is fit to enhance the fit around the waist. it can.
  • the mother originally desires "I do not want to tighten the baby with a diaper", and on the other hand, to create a gap between the body and not leak the excrement, improve the fit (tighten strongly To achieve each other's contradiction to one another by the constitution of the present invention.
  • the absorbent core 40a is relatively stiffer than the other members (top sheet 50) that make up the disposable diaper, so it is difficult to be disposed along the body. However, since at least a part of the waist stretch unit 85 overlaps the absorbent core 40 a and the waist stretch unit 85 is disposed on the non-skin facing surface side of the absorbent core 40 a, the waist stretch unit 85 absorbs the contraction
  • the core 40a can be fitted to the body.
  • the third region 853 is disposed across the center of the disposable diaper 10 in the width direction.
  • the spine is placed at the center of the wearer's back, and is concaved to the ventral side relative to the left and right regions.
  • the recess (the diamond of Michael) is a recess of the sacrum portion, and the third region 853 is disposed at the recess.
  • FIG. 4 (a) the recessed part CR is shown.
  • the third region 853 contracts while pulling the second region 852 when the body pressure decreases.
  • the contracted portion can be placed at the recessed area of the wearer.
  • the inner edge of the first region 851 is located inward in the width direction than the outer edge of the absorbent core 40a.
  • the mounting assistant stretches the first area and fastens the fastening tape.
  • the absorbent core is placed under the wearer's body and is under pressure. Because the inner edge of the first region is disposed inward in the width direction than the outer edge of the absorbent core, the inner edge of the absorbent core moves under the wearer's body when pulling on the fastening tape It is a difficult condition.
  • the inner edge of the first region 851 when the inner edge of the first region 851 is positioned inward in the width direction than the outer edge of the absorbent core 40a, when the fastening tape is pulled, the inner edge of the first region 851 becomes a base point and the first region It becomes easy to stretch 81.
  • the extension ratio of the third region 853 in the width direction may be higher than the extension ratio of the first region 851 in the width direction. Since the extension ratio of the third region 853 is higher than the extension ratio of the first region 851, after fastening the fastening tape, the body pressure applied to the rear waist region is reduced, the third region The second region 852 is pulled to the 853 side. Thus, it is possible to collect a portion contracted by the third region in the recess of the wearer's back.
  • the third region 853 overlaps at least a part of the low basis weight region in plan view.
  • the lower area is shrunk in the width direction by the third area, and the rear end edge of the absorbent core is deformed toward the center in the width direction.
  • the back of the absorbent core can be cup-shaped.
  • the cup-shaped absorbent core can cover the buttocks of the wearer and can further enhance the waist fit.
  • the waist elastic section 85 is not disposed at the rear end edge of the disposable diaper, and the side flaps of the rear end edge of the disposable diaper have notches which are recessed inward in the width direction and inward in the longitudinal direction. It is done. More specifically, the rear end edge of the side flap is recessed longitudinally inward in a range extending inward in the width direction from the outer edge of the side flap. In other words, the outer edge of the side flap is recessed inwardly in the width direction in a range extending longitudinally inward from the rear end edge of the side flap.
  • the tape-type disposable diaper which can improve the fit around a waist can be provided, suppressing a deterioration of mounting property.

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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/JP2015/079700 2014-10-21 2015-10-21 使い捨ておむつ WO2016063913A1 (ja)

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Citations (4)

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Publication number Priority date Publication date Assignee Title
JPS63235503A (ja) * 1987-03-24 1988-09-30 大王製紙株式会社 吸収性物品
JPH063234A (ja) * 1992-06-18 1994-01-11 Sony Corp 引張試験機
JPH0871103A (ja) * 1994-09-09 1996-03-19 Kao Corp 使い捨ておむつ
JP2008183332A (ja) * 2007-01-31 2008-08-14 Daio Paper Corp 使い捨て紙おむつ

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JP2676201B2 (ja) * 1987-03-24 1997-11-12 大王製紙株式会社 吸収性物品

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63235503A (ja) * 1987-03-24 1988-09-30 大王製紙株式会社 吸収性物品
JPH063234A (ja) * 1992-06-18 1994-01-11 Sony Corp 引張試験機
JPH0871103A (ja) * 1994-09-09 1996-03-19 Kao Corp 使い捨ておむつ
JP2008183332A (ja) * 2007-01-31 2008-08-14 Daio Paper Corp 使い捨て紙おむつ

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