WO2014203679A1 - プルオンおむつ - Google Patents

プルオンおむつ Download PDF

Info

Publication number
WO2014203679A1
WO2014203679A1 PCT/JP2014/063580 JP2014063580W WO2014203679A1 WO 2014203679 A1 WO2014203679 A1 WO 2014203679A1 JP 2014063580 W JP2014063580 W JP 2014063580W WO 2014203679 A1 WO2014203679 A1 WO 2014203679A1
Authority
WO
WIPO (PCT)
Prior art keywords
diaper
elastic member
belt
pull
crotch panel
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/JP2014/063580
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
吉岡　稔泰
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 WO2014203679A1 publication Critical patent/WO2014203679A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

Classifications

    • 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
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
    • 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
    • A61F13/51—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 outer layers of the pads
    • A61F13/515—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 outer layers of the pads characterised by the interconnection of the topsheet and the backsheet

Definitions

  • This disclosure relates to a disposable pull-on diaper, and more particularly, to a pull-on diaper suitable for a low-age child.
  • a liquid-permeable top sheet is provided with a liquid-permeable top sheet that surrounds both side edges of the absorbent body and extends and fixed to the back surface of the absorbent body to form a standing cuff.
  • the side edges of the absorbent body are further extended from the upper side to the back surface of the absorbent body and fixed, and the start end of the fixed part forms the rising end of the standing cuff, and the standing cuff extends and contracts between the free end and the root part.
  • the both sides of the absorbent main body are lifted by the contraction force of the member, and a plurality of thread-like waist elastic members are provided in the waist in parallel to the circumferential direction at regular intervals in the longitudinal direction.
  • lower waist elastic members of 620 dtex or less are parallel to the circumferential direction at intervals shorter than the interval between the waist elastic members, discontinuously at the center of the absorber, and the front body of the crotch region is also parallel to the circumferential direction at short intervals.
  • Patent Document 1 by providing a plurality of elastic members in the lower waist region in the circumferential direction, a pull-on diaper that has a leg opening edge that is not easily fluttered and that has a clean leg periphery is provided.
  • the pants-type (pull-on) diaper of Patent Document 1 is supposed to be worn from the stage where an infant stands or from the growth stage where yes can be done, and the waistline needs to be tightened to prevent the diaper from falling off Designed based on ideas.
  • gather traces elastic traces
  • This invention makes it a subject to provide a pull-on diaper which does not give the impression that it tightens too much, maintaining the fitting property and leak-proof property required as a diaper.
  • the present invention has a waistline direction and a vertical direction perpendicular to each other, a skin facing surface facing the wearer's skin and a non-skin facing surface on the opposite side thereof, and a front belt and a rear belt extending in the waistline direction, A crotch panel extending in the vertical direction and spanned between the front and rear belts, and a plurality of waistline elastic members extending in the waistline direction are attached to each of the front and rear belts so as to be contractible in an expanded state, Leg elastic members are attached so as to be retractable in a stretched state along both side edges of the crotch panel extending, and the side edges of the front and rear belts are joined to each other at the seam, and the upper ends of the front and rear belts A pair of leg opening openings formed by the waist opening edge formed on both sides of the lower end portion of the front and rear belts and both side edges of the crotch panel, and the crotch panel A pair of barrier cuffs disposed on both side edges
  • the front and rear joints each extend in the vertical direction intersecting with the lowest elastic member positioned at the bottom of the plurality of waistline elastic members, and the barrier cuff is formed of the front and rear joints.
  • a free edge extending therebetween, and a barrier cuff elastic member attached to the free edge so as to be contractable in an extended state and extending between the front and rear joints.
  • pull-on diaper refers to an article that has a waist opening and a pair of leg openings and that is worn on the wearer's lower torso by inserting the wearer's leg into the leg opening and pulling the diaper up the waist. Point to. Also, the term “disposable” usually refers to being discarded after a single use.
  • the front and rear joints joining the both end portions of the barrier cuff extend in the vertical direction intersecting with the lowest elastic member located at the bottom of the plurality of waistline elastic members, respectively.
  • the front joint portion extends in the vertical direction at the position where the lowermost elastic member of the waist elastic member of the front belt intersects the crotch panel and is located at the base of the wearer's leg.
  • the barrier cuff elastic member extends in parallel with the fixed edge portion between the front and rear joint portions, the front and rear joint portions are not affected by the stretchability of the barrier cuff elastic member. Therefore, when the diaper is worn, the base part of the wearer's leg is not compressed by the barrier cuff elastic member, and the gather mark is hardly attached to the base part of the wearer's leg.
  • the free edge of the barrier cuff is located above the leg opening opening edge in the pull-on diaper. To do. Therefore, the free edge of the barrier cuff is exposed in the leg opening of the pull-on diaper before being attached.
  • the free edge of the barrier cuff is projected to the outside of the diaper along with the wearer's leg, and is interposed between the wearer's leg and the leg opening edge.
  • the free edge of the barrier cuff is located between the leg elastic member extending along the leg opening edge and the wearer's leg, and functions as a cushioning material. Can be prevented.
  • the free edge of the barrier cuff protruding from the leg opening edge has a frill-like appearance and seems to fit softly to the leg, so that it does not give the impression of being too fit.
  • FIG. 4 is a schematic sectional view taken along line IV-IV in FIG. 2.
  • FIG. 5 is a schematic cross-sectional view taken along line VV in FIG. 2.
  • the schematic diagram showing the wearing condition of a diaper. Explanatory drawing of each part dimension of a diaper.
  • a pull-on diaper 10 according to the present invention includes a waistline direction X and a vertical direction Y that are orthogonal to each other, a skin facing surface that faces the wearer's skin, and a non-skin facing surface on the opposite side. And a front belt 18 and a rear belt 19 that extend in the waistline direction X, and a crotch panel 13 that extends in the vertical direction Y and spans between the front and rear belts 18 and 19.
  • a plurality of waistline elastic members 30 extending in the waistline direction X are attached to each of the front and rear belts 18 and 19 in an extended state, and legs along the side edges 13c and 13d of the crotch panel 13 extending in the vertical direction Y, respectively.
  • a rotating elastic member 32 is attached in an extended state.
  • the front and rear end portions 13a and 13b (see FIG. 2) of the crotch panel 13 are joined to the center portions of the front belt 18 and the rear belt 19, respectively.
  • the side edge portions 18c, 18d, 19c, 19d of the front and rear belts 18, 19 are joined together, and the upper end portion 18a of the front belt 18 and the upper end portion 19a of the rear belt 19 form a waistline opening edge 22, and the crotch panel
  • a pair of leg periphery opening edges 23 are formed by the 13 side edges 13c and 13d and the lower end 18b and the lower end 19b of the front belt 18 and the rear belt 19.
  • FIG. 2 is a plan view of the diaper 10 when the front belt 18 and the rear belt 19 in the seam portion 20 of the diaper 10 of FIG. 1 are unbonded and extended in a planar shape.
  • the vertical direction Y of the diaper 10 in FIG. 1 corresponds to the vertical direction of the paper surface in FIG. 2
  • the waistline direction X corresponds to the horizontal direction of the paper surface.
  • the diaper 10 bisects the virtual center line P that bisects the size of the diaper 10 in the waistline direction X when extended flat and the vertical dimension of the diaper 10 when extended flatly.
  • the imaginary center line Q In other words, the pull-on diaper 10 of the present invention has no distinction between front and rear and left and right.
  • the front belt 18 and the rear belt 19 of the diaper 10 have a rectangular shape with the same shape and the same size.
  • the front belt 18 has an upper end 18a and a lower end 18b extending in the waistline direction X, and both side edges 18c, 18d orthogonal to the upper and lower ends 18a, 18b, and the rear belt 19 is an upper end extending in the waistline direction X. It has the part 19a and the lower end part 19b, and the both-sides edge parts 19c and 19d orthogonal to the upper end part 19a and the lower end part 19b.
  • the upper periphery 18a, 19a of the front and rear belts 18, 19 forms a waist opening edge 22 of the diaper 10.
  • the distance between the pair of seam portions 20 in the waist direction X increases from the upper end portions 18a and 19a toward the lower end portions 18b and 19b.
  • a waistline elastic member 30 extending in the waistline direction X is attached to the front and rear belts 18 and 19 in an extended state, and leg leg elastic members 32 extending in the vertical direction Y are extended to both side edges 13c and 13d of the crotch panel 13. It is attached with.
  • the front and rear belts 18 and 19 each have a plurality of waistline elastic members extending in the waistline direction X while one front sheet member 24 and one rear sheet member 25 are folded back in half. 30 is joined by a hot melt adhesive in an expanded state. That is, in this embodiment, the sheet surface located on the skin-facing surface side when one front sheet member 24 or the rear sheet member 25 is folded in half corresponds to the skin-side sheet 26 in the claims. The sheet surface located on the skin facing surface side corresponds to the outer sheet 27. It is not necessary to fold back one front sheet member 24 and one rear sheet member 25 exactly in half. For example, in the vertical direction Y, the dimension of the skin side sheet may be larger than the dimension of the outer sheet.
  • the skin contact with respect to the wearer of the lower end parts 18b and 19b of the front and back belts 18 and 19 can be made soft.
  • the skin side sheet 26 and the outer sheet 27 of the front and rear belts 18 and 19 are separated by separate sheet members. It can also be formed.
  • the skin side sheet 26 and the outer sheet 27 are joined to each other only by the hot melt adhesive applied to the plurality of waistline elastic members 30.
  • the hot melt adhesive applied to the plurality of waistline elastic members 30 As a result, a large number of small bulges are formed on the skin side sheet 26 and the outer sheet 27 between the adjacent waistline elastic members 30 due to the shrinkage of the waistline elastic members 30, and the front and rear belts 18, 19 are made of a soft material. And when the diaper 10 is put on the wearer, it seems to fit softly, so that it does not give the impression of being too fit.
  • the lowermost elastic member 30b positioned at the bottom of the plurality of waistline elastic members 30 and the lower ends 18f and 19f of the front and rear belts 18 and 19 are used. Are separated from each other. As a result, the lower ends 18f and 19f of the front and rear belts 18 and 19 are in a frilled shape, so that they appear to be fluttering and fit softly from the body of the low-aged child. When wearing a child, do not feel anxiety, such as whether the younger children feel cramped.
  • the ratio of the separation dimension between the lowermost elastic member 30b and the lower ends 18f, 19f of the front and rear belts 18, 19 to the separation dimension between the upper ends 18e, 19e and the lower ends 18f, 19f of the front and rear belts 18, 19 is 12 to It is preferably 20%, preferably 12 to 15%.
  • the uppermost elastic member 30a of the plurality of waistline elastic members 30 and the upper ends 18e and 19e of the front and rear belts 18 and 19 are preferably within 15 mm. Are preferably separated within a range of 10 mm or less. As a result, the uppermost elastic member 30a and the upper ends 18e and 19e of the front and rear belts 18 and 19 have a rounded and bulging shape, so that it does not give the impression of being too fit.
  • the skin side sheet 26 and the outer sheet 27 constituting the front and rear belts 18 and 19 extend from the seam portion 20 that joins the front and rear belts 18 and 19 to the outside of the diaper 10 within a range of 15 mm or less, preferably 10 mm or less, It is preferably in the form of a frill.
  • This also makes the front and rear belts 18 and 19 appear to be made of a soft material, and when the diaper 10 is fitted to the wearer, it appears to fit softly, so the impression that it fits too much None give.
  • the front sheet member 24 and the rear sheet member 25 are preferably formed using a fiber nonwoven fabric or a plastic sheet made of a thermoplastic resin having air permeability.
  • fiber nonwoven fabric or plastic sheet made of thermoplastic resin for example, SMS (spunbond / meltblown / spunbond) fiber nonwoven fabric, spunbond nonwoven fabric, air-through nonwoven fabric, breathable plastic having a mass per unit area of about 10 to 30 g / m 2
  • SMS spunbond / meltblown / spunbond
  • spunbond nonwoven fabric spunbond nonwoven fabric
  • air-through nonwoven fabric breathable plastic having a mass per unit area of about 10 to 30 g / m 2
  • One type or two or more types can be selected and used from the group consisting of sheets.
  • the plurality of waistline elastic members 30 extending in the waistline direction X in the front sheet member 24 and the rear sheet member 25 are composed of a plurality of strand-like or string-like elastic yarns, and are folded using a hot melt adhesive.
  • the bonded sheets are joined in an extended state.
  • an elastic yarn such as a rubber string having a thickness of 310 to 620 dtex, preferably 400 to 600 dtex is used as the plurality of elastic yarns, and an expansion ratio of 2.0 to 3.5 times, preferably an expansion ratio of 2.
  • the folded front sheet member 24 and rear sheet member 25 can be joined.
  • the crotch panel 13 has a rectangular shape, and includes an absorbent body 11, an inner surface sheet 44 to which the absorbent body 11 is joined on the skin facing surface side, and a non-skin facing surface side of the inner surface sheet 44. And an outer sheet 45 to be joined.
  • the crotch panel 13 includes front and rear end portions 13a and 13b extending in the waistline direction X and both side edge portions 13c and 13d extending in the vertical direction Y.
  • the non-skin facing surfaces of the front and rear end portions 13a and 13b of the crotch panel 13 are Each of the front belt 18 and the rear belt 19 is joined to the center of the skin facing surface by a hot melt adhesive 51.
  • the hot melt adhesive 51 is applied between the front belt 18 and the rear belt 19 and the front and rear end portions 13a and 13b of the crotch panel 13 in a stripe shape in a direction parallel to the vertical direction Y.
  • leg elastic members 32 extending in the vertical direction Y are attached to both side edges 13c and 13d of the crotch panel 13 in an extended state.
  • a pair of barrier cuffs 40 extending in parallel with the side edges 13c and 13d are provided on the skin facing surface side of the crotch panel 13.
  • the low-age children are in a supine posture, but by applying the hot melt adhesive 51 in a stripe shape between the front and rear belts 18 and 19 and the crotch panel 13 as described above, A space extending in the vertical direction Y between the adjacent hot melt adhesives 51 functions as a vent hole, which is preferable because it prevents the wearer's back from becoming stuffy.
  • the inner surface sheet 44 has an area and shape that can completely cover the non-skin facing surface of the absorbent body 11, and is formed from a liquid-impermeable plastic film. Since the outer surface sheet 45 constitutes a part of the inner surface of the diaper 10, it is preferable to form the outer sheet 45 with a fiber nonwoven fabric that has air permeability and good touch.
  • the absorbent body 11 has an hourglass shape in which a central portion in the vertical direction Y is recessed inward.
  • a known body fluid absorbent material such as fluff pulp and superabsorbent polymer particles (SAP) is used as tissue paper. Although it can be formed by wrapping and covering with a nonwoven fabric having liquid permeability and flexibility, it is not limited to this.
  • the absorbent body 11 is joined to the central portion of the skin facing surface of the inner surface sheet 44 by a hot melt adhesive. Further, the upper and lower end portions 11a and 11b of the absorbent body 11 overlap with portions where the waistline elastic members 30 of the front and rear belts 18 and 19 are present, respectively.
  • the outer sheet 45 constituting the crotch panel 13 has a dimension in the waistline direction X that is larger than that of the inner sheet 44, and is extended to both outer sides of the inner sheet 44 in the waistline direction X when overlapped and joined to the inner sheet 44.
  • the extending portion 46 is provided.
  • the absorber 11 is located between the pair of extending portions 46.
  • a plurality of leg-hole elastic members 32 extending in the vertical direction Y are attached to the region extending along the side edge of the inner surface sheet 44 in a stretched state by a hot melt adhesive.
  • the leg elastic member 32 includes an inner elastic member 32 a closest to the absorber 11 in the waist direction X and an outer elastic member 32 b farthest from the absorber 11.
  • a sleeve 43 is formed by folding the skin facing surface inward, and a plurality of barrier cuff elastic members 42 extending in the vertical direction Y are extended in the sleeve 43. Attach with hot melt adhesive.
  • the sleeve 43 constitutes a part of the free edge portion 40 d of the barrier cuff 40 that can stand up with respect to the crotch panel 13.
  • the leg elastic member 32 and the barrier cuff elastic member 42 the same elastic yarn as that of the waist elastic member 30 can be used.
  • the expansion ratio of the leg-hole elastic member 32 and the barrier cuff elastic member 42 can be 2.0 to 3.5 times, preferably the expansion ratio is 2.0 to 2.5 times.
  • the expansion ratio of the elastic yarn constituting the leg-hole elastic member 32 is equal to or higher than the expansion ratio of the elastic yarn constituting the waistline elastic member 30. Specifically, it is not necessary to consider diaper gaps because younger children do not walk around. Therefore, it is possible to reduce the stretch magnification of the waistline elastic member 30 to the minimum necessary for preventing leakage, and to prevent gather marks from forming on the abdomen of the low-aged infant. However, in this case, there is a possibility that the diaper 10 may shift due to the movement of the low-aged child who is in a sleeping position.
  • the body of the low-age child can be prevented by contraction of the leg elastic member 32 while preventing gather marks on the abdomen of the low-age child.
  • the position of the diaper 10 relative to can be determined.
  • the outer sheet 45 is folded back along the outer elastic member 32b with the skin-facing surface inside, and between the folded outer sheet 45, the leg periphery including the inner elastic member 32a.
  • the elastic member 32 and the side edge of the inner surface sheet 44 are sandwiched.
  • the folding line of the outer sheet 45 is indicated by a one-dot chain line. 4 and 5, the hot melt adhesive is not shown.
  • the portions from the outer elastic member 32b to the inner elastic member 32a between the opposed surfaces of the folded outer sheet 45 are bonded together by a hot melt adhesive.
  • the outer sheet 45 When the diaper 10 is worn, the outer sheet 45 is folded and the outer elastic member 32b is sandwiched between the side edges 13c and 13d of the crotch panel 13 to form part of the leg opening 23. Fits the wearer's leg.
  • the outer elastic member 32b is preferably separated from the ends of the side edge portions 13c, 13d of the crotch panel 13 within 15 mm, preferably within 10 mm. Thereby, both side edge parts 13c and 13d of the crotch panel 13 become a frill shape, and it seems that it floats and fits softly from the body of the low-age child, so it does not give the impression that it fits too much.
  • the barrier cuff 40 is formed by the region from the position where the inner elastic member 32 a exists to the sleeve 43 in the folded outer surface sheet 45.
  • the barrier cuff 40 includes a fixed edge portion 40c extending in parallel with the side edge portions 13c and 13d of the crotch panel 13, and a front joint portion 48a and a rear joint portion 48b positioned at the vertical Y ends 40a and 40b of the barrier cuff 40. And are joined to the crotch panel 13 (see FIGS. 2 and 4).
  • the front and rear joint portions 48a and 48b extend in the vertical direction, respectively, and intersect with the lowest elastic member 30b located at the bottom of the plurality of waist elastic members 30 attached to the front and rear belts 18 and 19.
  • the barrier cuff 40 extends in parallel with the fixed edge 40c between the front and rear joints 48a and 48b, and is attached to the free edge 40d in a stretched state and a free edge 40d that is not joined to the crotch panel 13.
  • a barrier cuff elastic member 42 extending in parallel with the fixed edge portion 40c is provided between the front and rear joint portions 48a and 48b.
  • the fixed edge 40c of the barrier cuff 40 substantially overlaps the inner elastic member 32a and extends in parallel to the side edges 13c and 13d of the crotch panel 13. With this fixed edge 40c as the base end, the free edge 40d of the barrier cuff 40 stands up with respect to the crotch panel 13 (see FIG. 5).
  • the front and rear joint portions 48 a and 48 b where the both ends 40 a and 40 b in the vertical direction Y of the barrier cuff 40 are joined to the crotch panel 13 extend downward from the lowermost elastic member 30 b located on the lowermost side of the waist elastic member 30. (See Fig. 2). Accordingly, the lowermost portions of the front and rear joint portions 48a and 48b are positioned below the lowermost elastic member 30b (see FIG. 6).
  • both end portions 40 a and 40 b of the barrier cuff 40 are attached to the crotch panel 13 at the front and rear joint portions 48 a and 48 b in a state where the sleeve 43 is folded back toward the outside of the diaper 10. It is joined.
  • the barrier cuff elastic member 42 attached to the inside of the sleeve 43 is also joined to the crotch panel 13 at the front and rear joining portions 48a and 48b.
  • the joining between the both end portions 40a and 40b of the barrier cuff 40 and the crotch panel 13 at the front and rear joining portions 48a and 48b can be performed using a heat seal or a hot melt adhesive.
  • both end portions 40a and 40b of the barrier cuff 40 are joined to the skin facing surface of the crotch panel 13 by heat sealing. Therefore, the barrier cuff elastic member 42 attached to the inner side of the sleeve 43 located at the front and rear joint portions 48a and 48b is also joined to the crotch panel 13 by heat sealing. For this reason, even if the barrier cuff elastic member 42 is located at the front and rear joint portions 48a and 48b, the stretchability of the barrier cuff elastic member 42 is lost. Bonding by heat sealing is preferable because the dimensions in the vertical direction Y of the front and rear bonded portions 48a and 48b can be easily controlled as compared with the hot melt adhesive.
  • the barrier cuff elastic member 42 is attached to the sleeve 43 included in the free edge portion 40d that extends in parallel with the fixed edge portion 40c between the front and rear joint portions 48a and 48b and is not joined to the crotch panel 13. It has been. Therefore, when the diaper 10 is worn, the free edge portion 40d stands up with respect to the crotch panel 13 due to the contraction of the barrier cuff elastic member 42.
  • the vertical direction Y both ends 40a and 40b of the barrier cuff 40 are joined to the crotch panel 13 at the front and rear joints 48a and 48b, thereby suppressing the expansion and contraction of the barrier cuff elastic member 42 located at the front and rear joints 48a and 48b. Is done.
  • the front joint portion 48a extends in the vertical direction Y at the position where the lowermost elastic member 30b of the plurality of waistline elastic members 30 and the crotch panel 13 intersect, when the diaper 10 is mounted Located at the base of the wearer's leg.
  • the base portion of the wearer's leg is the barrier cuff elastic member 42 when the diaper 10 is attached. It is not pressed by. For this reason, it becomes difficult to make a gather mark on the base of the wearer's leg.
  • the pull-on diaper 10 according to the present embodiment has no distinction between front and rear and left and right, even if a guardian unfamiliar with handling the diaper mistakenly attaches the front and rear of the pull-on diaper 10 to a younger child, the leg of the wearer It is possible to prevent the gather mark from being attached to the base of the.
  • the extension magnification of the barrier cuff elastic member 42 is substantially the same as the extension magnification of the leg-hole elastic member 32.
  • the free edge portion 40d of the barrier cuff 40 is Located above the leg opening edge 23. Therefore, as shown in FIG. 1, the free edge portion 40d of the barrier cuff 40 is exposed in the leg-hole opening of the pull-on diaper 10 before being attached.
  • the free edge 40d of the barrier cuff 40 is projected out of the diaper 10 together with the leg of the low-age child, as schematically shown in FIG. It is interposed between the child's leg and the leg opening edge 23.
  • the free edge 40d of the barrier cuff 40 is located between the leg elastic member 32 extending along the leg opening edge 23 and the leg of the low-age child and functions as a cushion material. Gather marks on the legs can be prevented. Furthermore, since the free edge 40d of the barrier cuff 40 protruding from the leg opening edge 23 has a frill-like appearance and seems to be softly fitted to the leg, there is no impression that it fits too much.
  • the folded portion of the sleeve 43 of the barrier cuff 40 formed by folding the outer surface sheet 45 becomes the distal edge 40e of the free edge portion 40d spaced apart and parallel to the fixed edge portion 40c, and the pull-on diaper 10 is attached to the younger child. When letting go, it is pushed out of the diaper 10.
  • the barrier cuff elastic member 42 attached to the free edge portion 40d and the distal edge 40e are separated from each other.
  • the pull-on diaper 10 of the present invention is configured so that all elastic members (the waistline elastic member 30 and the legline elasticity in the above embodiment) are applied under the condition that no tension is applied to the diaper 10.
  • the member 32 and the barrier cuff elastic member 42 are freely contracted, a virtual center line extending in the vertical direction by dividing the waist dimension X dimension of the diaper 10 into two equal parts in a plan view viewed from the front belt 18 side.
  • Dimension L1 (see FIG. 7A) that is symmetrical with respect to Q and measured along the seam portion 20 in the vertical direction, and the lower end portion of the front belt 18 in a plan view of the diaper 10 viewed from the front belt 18 side.
  • the length L3 of the side edge portion 13c or the side edge portion 13d on the side of the rear belt 19 exposed continuously from one of the side edge portions 13c and 13d on the side of the front belt 18 and exposed below the lower end portion 19b of the rear belt 19 has a relationship of (L2 + L3) /L1 ⁇ 1.0, preferably (L2 + L3) /L1 ⁇ 1.5.
  • L2 + L3 is a side of the crotch panel 13 that is exposed below the lower end portions 18a and 18b of the front and rear belts 18 and 19 and constitutes a part of one of the pair of leg opening edges 23 in a side view of the diaper 10. This corresponds to the circumferential length of the edge 13c or the side edge 13d (see FIG. 7C).
  • the area of the crotch panel 13 extending to the crotch of the wearer is the front and rear belt 18 tightening the waistline, It looks larger than 19 areas. Since the crotch panel 13 looks larger than the front and rear belts 18 and 19 as described above, it is as if the force of tightening the waist of the diaper is weak and is shifted to the inseam of the wearer, so-called loose rubber pants are worn. Because it reminds me of being, it does not give the impression of being too fit. It is preferable that the front belt 18 and the rear belt 19 of the diaper 10 have the same shape and the same size.
  • a specific method for measuring L1, L2, and L3 is as follows. ⁇ Measurement of L1 and L2> The rear belt 19 of the diaper 10 is placed on a table having a horizontal plane so that the rear belt 19 contacts the horizontal plane. Next, a photograph of the diaper 10 viewed from the front belt 18 side is taken from above the diaper 10 so that the scale can be understood. From the outline of the diaper 10 in the obtained photograph, the length of a line segment that linearly connects the upper end and the lower end of either one of the seam portions 20 of the front belt 18 is measured and is defined as L1.
  • the lowermost end 35 of the leg opening edge 23 is defined, and one of the side edges 13c and 13d of the crotch panel 13, for example, the side edge 13d of the crotch panel 13 is formed.
  • the intersection 36 of the leg periphery opening edge 23 and the lower end part 18b of the front belt 18 is defined.
  • the length of the line segment that linearly connects the lowermost end 35 and the intersection point 36 is measured, and is defined as the length L2 of the side edge 13d on the front belt 18 side of the crotch panel 13. ⁇ Measurement of L3>
  • the diaper 10 is inverted and placed so that the front belt 18 contacts the horizontal surface of the table.
  • a photograph of the diaper 10 seen from the rear belt 19 side is taken from above the diaper 10 so that the scale can be understood. From the outline of the diaper 10 in this photograph, the lowermost end 35 of the leg periphery opening edge 23 (that is, the leg periphery opening edge 23 formed by the side edge portion 13d), which is the same as the leg periphery opening edge 23 of which L2 was measured, An intersection point 37 between the rotation opening edge 23 and the lower end portion 19b of the rear belt 19 is determined, a length of a line segment linearly connecting the lowermost end 35 and the intersection point 37 is measured, and the rear belt 19 side of the crotch panel 13 is measured. The length is L3 of the edge portion 13d.
  • the dimension L1 measured along the seam portion 20 of the pull-on diaper 10 of the present invention is set so that the upper end portion 18a of the front belt 18 does not reach the wearer's navel.
  • the specific value of the dimension L1 varies depending on the age of the wearer. For example, in the case of a newborn (within one month from birth), it is about 60 to 70 mm.
  • the umbilicus of young children is soft and is susceptible to various diseases. For this reason, it is preferable not to give irritation
  • the pull-on diaper 10 prevents the upper end portions 18a and 19a of the front and rear belts 18 and 19 from reaching the wearer's navel and at the same time does not give the impression of being too fit.
  • the diaper 10 since the abdomen of the low-aged child is swollen, if the upper end portions 18a and 19a of the front and rear belts 18 and 19 do not reach the wearer's navel, the diaper 10 is moved by the movement of the low-aged child who is in a sleeping position. There is a risk of shifting.
  • the expansion ratio of the leg elastic member 32 is set higher than the expansion ratio of the waist elastic member 30, the leg elastic member 32 contracts without causing irritation to the umbilicus of the low-age infant.
  • the position of the diaper 10 with respect to the body of a young child can be determined.
  • the example of the pull-on diaper 10 for a low-aged child comprising the rectangular front and rear belts 18 and 19 and the crotch panel 13 has been described.
  • the present invention is not limited to this example, and for example, the lower ends of the front and rear belts 18 and 19 18b and 19b may be a shape protruding downward in a trapezoidal shape or an arc shape.
  • the front belt 18 and the rear belt 19 may be larger in the vertical direction Y than the front belt 18.
  • the barrier cuff 40 has been described based on the example in which the outer sheet 45 constituting the crotch panel 13 is folded back, the barrier cuff 40 is formed of a sheet member different from the outer sheet 45 and joined to the crotch panel 13. You can also. In this case, the front and rear joint portions 48 a and 48 b of the barrier cuff 40 may extend from the crotch panel 13 to the front and rear belts 18 and 19.
  • both end portions in the vertical direction of the barrier cuff 40 40a and 40b may be joined to the crotch panel 13 and the front and rear belts 18 and 19, respectively.
  • the lowermost portions of the front and rear joint portions 48a and 48b may be located above or below the lower ends 18f and 19f of the front and rear belts 18 and 19, respectively.
  • each of the constituent members constituting the diaper 10 uses, without limitation, various known materials that are usually used in this type of field, in addition to the materials described in this specification. be able to.
  • “joining with a hot-melt adhesive” means that the hot-melt adhesive is applied and joined in a known pattern such as a spiral shape, a dot shape, or a stripe shape unless otherwise specified.
  • Front and rear belts extending in the waistline direction, having a waistline direction and a vertical direction perpendicular to each other, a skin facing surface facing the wearer's skin and a non-skin facing surface on the opposite side thereof,
  • a plurality of waistline elastic members extending in the waistline direction are attached to the crotch panel spanned between the front and back belts and the front and back belts so as to be retractable in the stretched state, and are respectively attached to both side edges of the crotch panel extending in the vertical direction.
  • the elastic members around the legs are attached so as to be retractable in the stretched state, the side edges of the front and rear belts are joined to each other at the seam, and the waist opening edge formed by the upper ends of the front and rear belts and the lower ends of the front and rear belts
  • a pull-on diaper in which the barrier cuff is joined to the crotch panel at a fixed edge located at both side edges of the crotch panel and a front joint and a rear joint located at both ends in the vertical direction of the barrier cuff.
  • Each of the front and rear joints intersects with the lowest elastic member located at the bottom of the plurality of waistline elastic members and extends vertically, and the barrier cuff has a free edge extending between the front and rear joints and a free edge And a barrier cuff elastic member attached to the edge so as to be retractable in an extended state.
  • Each of the front belt and the rear belt includes a skin side sheet positioned on the skin facing surface side and an outer sheet positioned on the non-skin facing surface side, and a plurality of waists between the skin side sheet and the outer sheet An elastic member is attached, and the skin side sheet and the outer sheet are joined to each other only by the hot melt adhesive applied to the waistline elastic member.
  • the length L3 of the side edge portion on the rear belt side exposed below the lower end portion of the rear belt has a relationship of (L2 + L3) /L1 ⁇ 1.0.
  • the lowermost elastic member positioned at the bottom of the plurality of waistline elastic members and the lower ends of the front and rear belts are separated from each other.
  • the ratio of the distance between the lowermost elastic member and the lower end of the front and rear belts to the distance between the upper and lower ends of the front and rear belts is 12 to 20%.
  • the uppermost elastic member positioned at the top of the plurality of waistline elastic members and the upper ends of the front and rear belts are separated from each other.
  • the ends of the side edges and the leg-hole elastic members are separated from each other.
  • the distal edge of the free edge that is spaced parallel to the fixed edge of the barrier cuff and the barrier cuff elastic member attached to the free edge are spaced apart.
  • the side edge portions of the front and rear belts are joined to each other at a seam portion extending in the vertical direction with the skin facing surfaces of the front and rear belts facing each other, and the skin side sheet and the outer sheet constituting the front and rear belts from the seam portion are diapers. Extends outside the.
  • the waistline elastic member and the legline elastic member are made of elastic yarns of the same material and shape, and the expansion ratio of the elastic thread constituting the legline elastic member is greater than or equal to the expansion ratio of the elastic thread constituting the waistline elastic member. is there.
  • the front and rear belts have the same vertical dimension.

Landscapes

  • 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/JP2014/063580 2013-07-01 2014-05-22 プルオンおむつ Ceased WO2014203679A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013138429A JP6292652B2 (ja) 2013-07-01 2013-07-01 パンツ型おむつ
JP2013-138429 2013-07-01

Publications (1)

Publication Number Publication Date
WO2014203679A1 true WO2014203679A1 (ja) 2014-12-24

Family

ID=52104421

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/063580 Ceased WO2014203679A1 (ja) 2013-07-01 2014-05-22 プルオンおむつ

Country Status (3)

Country Link
JP (1) JP6292652B2 (enExample)
MY (1) MY175422A (enExample)
WO (1) WO2014203679A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016101198A1 (en) * 2014-12-25 2016-06-30 The Procter & Gamble Company Absorbent article having elastic belt

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6729337B2 (ja) * 2016-12-09 2020-07-22 王子ホールディングス株式会社 吸収性物品

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06296638A (ja) * 1993-04-19 1994-10-25 Kao Corp 吸収性物品及びその製造方法
JP2005058511A (ja) * 2003-08-13 2005-03-10 Livedo Corporation 使い捨てパンツ型おむつ
JP2007511326A (ja) * 2003-11-19 2007-05-10 ザ プロクター アンド ギャンブル カンパニー 使い捨てプルオン衣類
JP2011120626A (ja) * 2009-12-08 2011-06-23 Kao Corp パンツ型吸収性物品
JP2011147614A (ja) * 2010-01-21 2011-08-04 Unicharm Corp 使い捨てのパンツ型着用物品
JP2012055544A (ja) * 2010-09-10 2012-03-22 Kao Corp パンツ型吸収性物品
JP2012061167A (ja) * 2010-09-16 2012-03-29 Kao Corp パンツ型吸収性物品
JP2012228308A (ja) * 2011-04-25 2012-11-22 Kao Corp パンツ型吸収性物品
JP2013517103A (ja) * 2010-01-20 2013-05-16 ザ プロクター アンド ギャンブル カンパニー 再締結可能な吸収性物品

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4926742B2 (ja) * 2007-02-09 2012-05-09 株式会社リブドゥコーポレーション 吸収性物品

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06296638A (ja) * 1993-04-19 1994-10-25 Kao Corp 吸収性物品及びその製造方法
JP2005058511A (ja) * 2003-08-13 2005-03-10 Livedo Corporation 使い捨てパンツ型おむつ
JP2007511326A (ja) * 2003-11-19 2007-05-10 ザ プロクター アンド ギャンブル カンパニー 使い捨てプルオン衣類
JP2011120626A (ja) * 2009-12-08 2011-06-23 Kao Corp パンツ型吸収性物品
JP2013517103A (ja) * 2010-01-20 2013-05-16 ザ プロクター アンド ギャンブル カンパニー 再締結可能な吸収性物品
JP2011147614A (ja) * 2010-01-21 2011-08-04 Unicharm Corp 使い捨てのパンツ型着用物品
JP2012055544A (ja) * 2010-09-10 2012-03-22 Kao Corp パンツ型吸収性物品
JP2012061167A (ja) * 2010-09-16 2012-03-29 Kao Corp パンツ型吸収性物品
JP2012228308A (ja) * 2011-04-25 2012-11-22 Kao Corp パンツ型吸収性物品

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016101198A1 (en) * 2014-12-25 2016-06-30 The Procter & Gamble Company Absorbent article having elastic belt
CN107106357A (zh) * 2014-12-25 2017-08-29 宝洁公司 具有弹性带的吸收制品
US10398607B2 (en) 2014-12-25 2019-09-03 The Procter & Gamble Company Absorbent article having elastic belt

Also Published As

Publication number Publication date
JP6292652B2 (ja) 2018-03-14
JP2015009070A (ja) 2015-01-19
MY175422A (en) 2020-06-25

Similar Documents

Publication Publication Date Title
JP6153338B2 (ja) 低月齢児用パンツ型おむつ
JP5225637B2 (ja) 使い捨てのパンツ型体液吸収性着用物品
JP6442224B2 (ja) パンツ型吸収性物品
EP3318230B1 (en) Disposable wearing article
JP2008253583A (ja) パンツ型使い捨ておむつ
TW201630581A (zh) 用後即棄式穿著用物品
JP5887258B2 (ja) 吸収性物品
JP6296761B2 (ja) 使い捨て着用物品
US20190015266A1 (en) Pull-on diaper
KR20150128685A (ko) 일회용 팬츠형 기저귀
JP6292652B2 (ja) パンツ型おむつ
JP4920892B2 (ja) 使い捨てのパンツ型着用物品
CN204600913U (zh) 成人用短裤型吸收性物品
JP2003339750A (ja) 使い捨て吸収性物品およびその製造方法
WO2014203674A1 (ja) 使い捨てプルオン着用物品
JP2020093177A (ja) 吸収性物品
JP6493271B2 (ja) 吸収性物品
JP2016123643A (ja) 使い捨てのおむつ
JP2023069347A (ja) パンツ型使い捨ておむつ
TW201731467A (zh) 吸收性物品

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14813140

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: IDP00201508765

Country of ref document: ID

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14813140

Country of ref document: EP

Kind code of ref document: A1