WO2016157943A1 - Article portable jetable - Google Patents

Article portable jetable Download PDF

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Publication number
WO2016157943A1
WO2016157943A1 PCT/JP2016/051309 JP2016051309W WO2016157943A1 WO 2016157943 A1 WO2016157943 A1 WO 2016157943A1 JP 2016051309 W JP2016051309 W JP 2016051309W WO 2016157943 A1 WO2016157943 A1 WO 2016157943A1
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WO
WIPO (PCT)
Prior art keywords
pocket
region
waist
area
lateral direction
Prior art date
Application number
PCT/JP2016/051309
Other languages
English (en)
Japanese (ja)
Inventor
瀧野　俊介
秀晃 槇
井上　拓也
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to CN201680013865.9A priority Critical patent/CN107405220B/zh
Publication of WO2016157943A1 publication Critical patent/WO2016157943A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • 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
    • A61F13/56—Supporting or fastening means

Definitions

  • This disclosure relates to disposable wearing articles.
  • Patent Document 1 includes a fastener portion extending laterally outward from both side edges of the rear waist region, and is worn on the wearer's body by locking the fastener portion to the outer surface of the front waist region.
  • Disposable wearing articles are disclosed.
  • the fastener portion can enhance the fit of the front and rear waist regions to the body and prevent excrement from leaking.
  • An object of the present invention according to the present disclosure is an improvement of a conventional wearing article, which contains and holds excrement moving to the waist opening side and suppresses excrement from touching the skin of the wearer. It is in the provision of the disposable wearing article which can be used.
  • the present invention has a first waist region that is one of the front and rear waist regions, a second waist region that is the other of the front and rear waist regions, A pair of fastener portions that are attached to both side portions of the crotch region located between the first and second waist regions and the first waist region and detachably engage the first waist region and the second waist region. It is related with the disposable wearing article containing these.
  • the first waist region is located on the skin contact surface side and extends in the lateral direction, and the waist contact region and the thickness in the central portion in the lateral direction.
  • the pocket outer area and the waist contact area are opposed to each other in the thickness direction, and are connected to the pocket outer area via a bent part extending in the lateral direction, and extend from the bent part to the crotch area side.
  • a pocket inner area connected to the waist abutment area, and each of the pocket inner area and the pocket outer area is provided on both lateral sides of the opening of the pocket. Having both side fixing portion fixed to the waist abutment area to have.
  • the disposable wearing article has a waist contact region located on the skin contact surface side in the first waist region, and a waist contact region facing the waist contact region in the thickness direction, and non-skin Because it has a pocket that can be opened to the crotch area side located on the contact surface side, excrement that moves to the waist opening side can flow into the pocket to be stored and retained, Touching can be suppressed.
  • FIG. 4 is a schematic cross-sectional view taken along line VI-VI shown in FIG. 1.
  • FIG. 6 is a schematic cross-sectional view along the line VII-VII shown in FIG. 5.
  • FIG. 5 is a schematic cross-sectional view along the line XX shown in FIG. 4.
  • each elastic body which will be described later, is stretched to such an extent that the gathers generated on the member to which each elastic body is attached appear to be substantially eliminated by natural vision against the contraction force. It is in the state.
  • the disposable diaper 10 shown as an example of the disposable wearing article of this invention has the vertical direction Y, the horizontal direction X, and the thickness direction Z orthogonal to them,
  • the vertical direction Y A vertical axis P that divides the dimension of the diaper 10 in the lateral direction X into two equal parts, and a horizontal axis Q that extends along the lateral direction X and divides the dimension of the longitudinal direction Y of the diaper 10 into two equal parts.
  • it is substantially symmetrical with respect to the vertical axis P.
  • "it overlaps in the planar view of the diaper 10" means overlapping in the thickness direction Z.
  • the diaper 10 includes a skin contact surface and a non-skin contact surface facing the skin, a front waist region (first or second waist region) 11, a rear waist region (first or second waist region) 12, and front and rear.
  • the rear waist region 12 is formed with a pocket 20 that opens toward the crotch region 13.
  • the diaper 10 includes a chassis 14 in the form of a base, a pair of fastener portions 16 provided on both sides of the rear waist region 12 of the chassis 14, and a pocket forming panel 40 that is attached to the chassis 14 and forms a pocket 20. Including.
  • the chassis 14 has a front end edge 14a and a rear end edge 14b extending in the horizontal direction X and spaced apart from each other in the vertical direction Y, and both side edges 14c and 14d extending in the vertical direction Y and spaced apart from each other in the horizontal direction X.
  • both side edges that define the crotch region 13 have a concave curved shape.
  • the chassis 14 is positioned between the liquid-permeable inner surface sheet 51 positioned on the skin contact surface side, the liquid-impervious outer surface sheet 52 positioned on the non-skin contact surface side, and the inner and outer surface sheets 51 and 52.
  • a liquid-impervious or liquid-impervious leak-proof sheet 54 located between the absorber 53 and the outer sheet 52.
  • a pair of barrier cuff sheets 55 that are separated in the horizontal direction X and extend in the vertical direction Y are disposed on the skin contact surface side of the inner surface sheet 51.
  • the inner surface sheet 51 is formed from a liquid nonwoven fabric having liquid permeability, and covers the entire skin contact surface of the absorbent body 53.
  • various known fiber nonwoven fabrics such as hydrophilic spunbond fiber nonwoven fabric, point bond fiber nonwoven fabric or air-through nonwoven fabric having a mass of about 15 to 35 g / m 2 can be used.
  • the outer sheet 52 forms the outer shape of the chassis 14 and is formed from a liquid-impervious fiber nonwoven fabric, a plastic film, or a laminate sheet thereof.
  • a fiber nonwoven fabric for example, a spunbond / meltblown / spunbond (SMS) fiber nonwoven fabric or a spunbond fiber nonwoven fabric having a mass of about 10 to 30 g / m 2 can be used.
  • SMS spunbond / meltblown / spunbond
  • the absorbent body 53 has a front edge 53a and a rear edge 53b extending in the lateral direction X, and both side edges 53c extending in the longitudinal direction Y.
  • As the core material wood fluff pulp, superabsorbent polymer particles, or a mixture thereof can be used.
  • the core material and the covering sheet can be joined to each other using a known joining means such as a hot melt adhesive (not shown).
  • the absorber 53 should just be located in the crotch area 13 at least, and is extended from the crotch area 13 to the front-and-back waist areas 11 and 12 in this embodiment. It is preferable that a part of the absorber 53 extending to the rear waist region 12 overlaps the pocket 20 in plan view.
  • a front waist elastic body 59 is attached to the skin contact surface side of the outer sheet 52 and outside the longitudinal direction Y of the absorber 53.
  • the front waist elastic body 59 is bonded between the outer sheet 52 and the inner sheet 51 by a known bonding means such as a hot melt adhesive (not shown).
  • the front waist elastic body 59 extends in the lateral direction X between both side edges 14c and 14d of the chassis 14.
  • As the front waist elastic body 59 it is possible to use a plurality of string-like or strand-like elastic bodies attached so as to be shrinkable in the stretched state in the lateral direction X, elastic stretchable fiber nonwoven fabric sheets containing elastomer fibers, and the like. it can.
  • the leak-proof sheet 54 covers the entire non-skin contact surface of the absorber 53, and a known joining means such as a hot melt adhesive (not shown) is provided between the covering sheet of the absorber 53 and the outer sheet 52. Can be joined.
  • the leak-proof sheet 54 can be made of a liquid-permeable, preferably liquid-impervious and breathable plastic film, and prevents body fluid absorbed by the absorber 53 from leaking outside the diaper 10. Can do.
  • a leg elastic body 57 is attached to the skin contact surface side of the outer sheet 52 and outside the lateral direction X of the absorber 53.
  • the leg elastic body 57 is joined between the outer surface sheet 52 and the barrier cuff sheet 55 by a known joining means such as a hot melt adhesive (not shown).
  • the leg elastic body 57 extends in the longitudinal direction Y from the crotch region 13 to the front and rear waist regions 11 and 12.
  • As the leg elastic body 57 a plurality of string-like or strand-like elastic bodies attached so as to be contractible in an elongated state in the longitudinal direction Y, an elastic stretchable fiber nonwoven fabric sheet containing elastomer fibers, or the like can be used. .
  • elastic side flaps having a gasket function are formed in both outer regions in the lateral direction X of the absorber 53.
  • barrier cuff sheet 55 for example, a hydrophobic SMS fiber nonwoven fabric or a spunbond fiber nonwoven fabric having a mass of about 10 to 30 g / m 2 can be used.
  • the barrier cuff sheet 55 is fixed to the skin contact surface of the inner sheet 51, and has a front fixing portion 81 and a rear fixing portion 82 that are spaced apart from each other in the vertical direction Y, and a fixed side portion (proximal portion) extending in the vertical direction Y. 83 and a sleeve-like free side edge (distal edge) 84 located inward in the lateral direction X from the fixed side 83.
  • a cuff elastic body 58 made of a string-like or strand-like elastic member and extending in the longitudinal direction Y is attached to the free side edge portion 84 so as to be contracted in an extended state.
  • the free side edge 84 is separated from the inner surface sheet 51 toward the wearer's body, and a pair of leak-proof cuffs for preventing side leakage of body fluid is formed.
  • the front waist region 11 of the chassis 14 is formed with a front waist elastic region 85 that can elastically expand and contract in the lateral direction X.
  • a pocket forming panel 40 having a waist contact area 31 that can be elastically expanded and contracted in the lateral direction X is attached to the rear waist area 12 of the chassis 14.
  • the front and rear waist regions 11 and 12 of the chassis 14 are configured to be connectable and separable by fastening means 63 disposed in the fastener portion 16.
  • the fastener portion 16 includes a fixing portion 61 fixed to the side portion of the chassis 14 and a free portion 62 extending from the fixing portion 61 outward in the lateral direction X. 61 and a tab sheet 64 that forms the free part 62, and a fastening means 63 positioned on the free part 62 of the tab sheet 64.
  • the fixing part 61 is located between the outer sheet 52 and the barrier cuff sheet 55 and is bonded to the sheets 52 and 55 using a known bonding means such as a hot melt adhesive.
  • the fastening means 63 includes a base sheet joined to the tab sheet 64 and a plurality of hook elements that stand up from the base sheet.
  • the material of the fastening means 63 is, for example, an olefin-based material such as polyethylene or polypropylene. A material, a polyester-type material, etc. can be used.
  • known joining means such as a hot melt adhesive (not shown) can be used.
  • the fastening means 63 is detachably engaged with a sheet member (in the present embodiment, the outer surface sheet 52) that forms a loop element located on the non-skin contact surface side of the front waist region 11.
  • the diaper 10 has a waist contact region 31 that contacts the wearer's body on the waist opening 19 side of the rear waist region 12.
  • the waist contact area 31 has a central portion 32 located substantially at the center in the lateral direction X of the rear waist region 12, and the central portion 32 has an inner end portion 32a and an outer end portion 32b.
  • the diaper 10 has the pocket 20 located so that the waist contact area 31 may be opposed in thickness direction Z (front-back direction in a wearing state).
  • the pocket 20 is formed over a predetermined area extending in the lateral direction X around the vertical axis P, and can be opened downward (toward the crotch area 13).
  • the pocket 20 is located close to the waist opening 19 of the rear waist region 12.
  • the pocket 20 faces the central portion 32 in the thickness direction Z, and extends in the thickness direction Z into a pocket outer region 23 extending from the crotch region 13 side to the waist opening 19 side, a pocket outer region 23 and a waist contact region 31.
  • the pockets are connected to the pocket outer side region 23 through the bent portion 25 extending in the lateral direction X, and extend downward from the bent portion 25 to connect to the inner end portion 32a of the central portion 32 of the waist contact region 31.
  • the inner region 22 is defined by both side portions of the pocket inner and outer regions 22 and 23 and the pocket both side regions 24 which are folded inward in the lateral direction X.
  • Both side portions of the pocket inner and outer regions 22, 23 are overlapped with each other to form a pocket both side region 24, and both side fixing portions 26, which are portions on the outer side in the lateral direction X of the pocket both side regions 24, are the waist contact regions 31.
  • Both side fixing portions 26 Fixed to both sides.
  • the both side fixing portions 26 extend inward in the lateral direction X from the fixing portions 61 of the pair of fastener portions 16, so that the pocket 20 does not have a size that opens between both side edges 14 c and 14 d of the chassis 14. At least, it has a size that opens at the center of the rear waist region 12.
  • the waist contact area 31 is given elasticity at least in the lateral direction X by a string-like or strand-like rear waist elastic body 48 described later.
  • a string-like or strand-like pocket elastic body 76 extending in the lateral direction X is disposed in the pocket inner region 22.
  • the pocket elastic body 76 extends in the lateral direction X between the side fixing portions 26.
  • the pocket side areas 24 are folded inward in the lateral direction X (toward the vertical axis P). Referring to FIG. 4, when the diaper 10 is not worn, the bent portion 27 and the pocket side regions 24 are slightly unfolded, and the center portion 32 and the pocket 20 are opened upward. A recess 34 is defined. As long as the pocket both sides area 24 is folded so that extension is possible, a plurality of bent lines including a part that is bent unintentionally and extending in the longitudinal direction Y may be formed.
  • the pocket 20 is located on an extension line in the longitudinal direction Y of the absorbent body 53, and the dimension in the lateral direction X of the pocket inner area 22 and the dimension in the lateral direction X of the pocket outer area 23 due to the contraction action of the pocket elastic body 76.
  • the pocket both sides 24 extend inward in the lateral direction X (toward the longitudinal axis P) due to the inward bending at the extended portions of the side edges 53c of the absorber 53 in the pocket both sides 24. It will be in a folded state.
  • the pocket 20 is bent toward the lower side, the pockets 27 folded toward the inner side in the lateral direction X, and toward the waist opening 19 (upward).
  • the waist contact area 31 is extended in the direction around the waist by having the bent portions 25 bent and bent in different directions (three directions)
  • the pocket both side areas 24 rises and the pocket inner area 22 moves rearward so as to be separated from the central portion 32 of the waist contact area 31 (see FIG. 5).
  • the pocket inner region 22 is inclined with respect to the central portion 32, and the inclination angle ⁇ with respect to the central portion 32 increases as it moves rearward.
  • the pocket inner region 22 becomes in a lying state and serves as the top surface of the pocket 20, and the pocket 20 accommodates and holds a relatively large amount of excrement therein. It has a box shape having a pocket space (accommodating space) S that can be used.
  • the pocket forming panel 40 includes an inner end edge 40 a and an outer end edge (rear waist opening edge) 40 b extending in the lateral direction X, and between the inner and outer end edges 40 a and 40 b.
  • a first folding line 41 and a second folding line 42 extending in parallel in the lateral direction X.
  • the pocket forming panel 40 includes an outer end portion 43 positioned between the outer edge 40b and the first folding curve 41, an intermediate portion 44 positioned between the first folding curve 41 and the second folding curve 42, It has the inner end part 45 located between the 2nd folding line 42 and the inner end edge 40a.
  • On the second surface 70B side of the outer end portion 43 a pair of first joining regions 71A located facing the lateral direction X are located, and a first non-joining region 71B is located between them.
  • a pair of second joining regions 72A located facing the lateral direction X are located, and a second non-joining region 72B is located between them.
  • the pocket forming panel 40 includes an inner sheet 46 positioned on the skin contact surface side, an outer sheet 47 positioned on the non-skin contact surface side, and an outer end portion 43 that extends in the lateral direction X.
  • a plurality of string-shaped or strand-shaped rear waist elastic bodies 48 fixed to be contractible in an extended state between 46 and 47, and arranged in the intermediate portion 44 and extending in the lateral direction X, between the inner and outer sheet 46, 47 And a string-like or strand-like pocket elastic body 76 that is fixed to be contractible in an expanded state.
  • a liquid-impermeable sheet 75 is further disposed between the inner and outer surface sheets 46 and 47.
  • the liquid-impermeable sheet 75 is preferably made of a fiber nonwoven fabric or a plastic film having air permeability, and is located at least at the inner end 45 and the intermediate portion 44. Only the pocket forming panel 40 made of a fiber nonwoven fabric cannot sufficiently retain soft stool with high fluidity and may ooze out to the outer surface. And can prevent exudation of such stool.
  • the liquid-impervious sheet 75 is disposed in the pocket forming region of the pocket forming panel 40 and is larger than the dimension in the lateral direction X of the opening of the pocket 20 (that is, the dimension in the lateral direction X of the second non-joining area 72B). Having a dimension in the lateral direction X is preferable in preventing exudation of body fluid more effectively.
  • the pocket forming panel 40 is configured such that the second surface 70 B side of the outer end portion 43 and the second surface 70 B side of the intermediate portion 44 are aligned with each other along the first folding line 41. Folded so as to be in contact with each other, and folded along the second folding line 42 so that the first surface 70A side of the intermediate portion 44 and the first surface 70A side of the inner end portion 45 are in contact with each other By being bent, the state of being bent into a substantially Z shape in the longitudinal section is maintained.
  • the outer end portion 43 and the intermediate portion 44 are joined to each other in the first joining region 71A, and the intermediate portion 44 and the inner end portion 45 are joined to each other in the second joining region 72A.
  • the first joining area 71A and the second joining area 72A have substantially the same dimension in the lateral direction X, and the dimensions in the transverse direction X of the non-joining areas 71B and 72B located between them are also substantially the same.
  • the first and second non-bonding regions 71B and 72B are positioned so as to overlap each other in a plan view of the diaper 10.
  • the first and second joining areas 71A and 72A are formed by, for example, a known heat welding means such as a known adhesive such as a hot melt adhesive or a heat seal.
  • the pocket forming panel 40 has the outer end portion 43 contracted by the rear waist elastic body 48, and is bent along the first and second folding curves 41 and 42 to be first and second.
  • a pair of third parts extending in the longitudinal direction Y along the side edge of the second non-joining area 72B from the joined state via the second joining areas 71A and 72A through the intermediate part 44 and the inner end part 45 laminated.
  • the portion excluding the outer end portion 43 has a substantially ⁇ -shaped cross section.
  • the pocket forming panel 40 bent in a substantially ⁇ cross section is located on the second surface 70 ⁇ / b> B side of the inner end portion 45 (third bonding region). ) 73 to be fixed to the skin contact surface side of the chassis 14.
  • the pocket forming panel 40 is fixed in a state where the pocket forming panel 40 is folded by a plurality of bending lines, so that the outer end portion 43 has a waist contact region 31 of the rear waist region 12 and the intermediate portion 44 has a pocket inner region 22.
  • the pocket outer area 23 is formed by a portion of the inner end portion 45 facing the intermediate portion 44.
  • both side portions of the pocket inner region 22 and both side portions of the pocket outer region 23 are joined through the second joining region 72A so as to overlap each other, and the second non-joining region 72B of the intermediate portion 44 and the inner end portion are joined.
  • the pockets 20 are formed by the 45 second non-bonding regions 72B.
  • the pockets 20 and the like are formed by fixing the pocket forming panel 40 which is a separate body to the chassis 14.
  • the pocket forming panel 40 is not limited to the chassis 14.
  • the waist contact area 31 may be formed of the same sheet member as that of the chassis 14, and a separate sheet member may be formed in the waist contact area 31. May be fixed to form the pocket 20.
  • the pocket forming panel 40 may be formed from a single elastic nonwoven fabric sheet, and an elastic stretchable nonwoven fabric sheet is disposed between the inner and outer sheets 46, 47 instead of the rear waist elastic body 48. May be.
  • the pocket inner region 22 is connected to the inner end portion 32a of the central portion 32 of the waist contact region 31” means that the central portion 32 and the pocket inner region 22 are formed by the same sheet member.
  • the case where it is formed and bent at the bent portion 27 and the case where they are formed from separate sheet members and both the sheet members are connected at the bent portion 27 are included.
  • the waist contact area 31 and the pocket 20 are positioned on the waist opening side of the rear waist area 12, and the waist contact area 31 is fitted to the wearer's body by the contraction force of the rear waist elastic body 48. Therefore, the excrement that has moved from the crotch region 13 side to the rear waist opening side is prevented from leaking, and the excreted matter that has been prevented from flowing flows into the pocket space S that protrudes upward, temporarily. Contained and held. Thus, by letting the excrement prevented from moving enter the pocket 20 located on the back side of the rear waist region 12, it is possible to suppress discomfort and skin trouble due to the excrement coming into contact with the body. .
  • the pocket 20 is not directly linked to the expansion and contraction of the waist contact area 31, there is no possibility that the opening of the pocket 20 is closed even if the rear waist area 12 is extended. Moreover, it is preferable that the rear end edge 53b of the absorber 53 overlaps the pocket 20 in a plan view. With such a configuration, excrement that has not been absorbed by the absorber 53 and has moved to the rear waist opening side can be reliably obtained. Can be accommodated in the pocket 20. Further, the liquid-impermeable sheet 75 can make it difficult to visually recognize the excrement accommodated in the pocket 20 in appearance.
  • the pocket both side areas 24 of the pocket 20 have an aspect in which the pocket 20 is folded in a substantially V-shaped cross section toward the vertical axis P.
  • a pocket space S is formed by separating the pocket inner area 22 from the central portion 32 of the waist contact area 31.
  • the pocket both side regions 24 are folded and the center portion 32 of the waist contact region 31 and the pocket inner region 22 are in contact with each other, so that the rear waist region Since the whole 12 becomes more compact and the dimension in the thickness direction Z becomes smaller than the wearing state, the diaper 10 can be stored and transported conveniently.
  • the pocket both side regions 24 are folded and the central portion 32 of the waist contact region 31 and the pocket Since the inner region 22 and the inner region 22 are in contact with each other, the pocket forming panel 40 is deformed by distortion due to body pressure, and the wearer feels a foreign object caused by a partial thickness change in the rear waist region 12. There is no fear. Since the pocket both side areas 24 can bend and stretch in the direction approaching and separating from the wearer's body, that is, the thickness direction Z, the direction F in which the pocket both side areas 24 are separated from the body when released from body pressure. Standing up (see FIG. 5), a three-dimensional pocket space S is formed again.
  • the wearer is in a supine state when the diaper 10 is worn, and the pocket 20 is crushed in the thickness direction Z by the body pressure of the wearer.
  • the pocket both side areas 24 stand up to stably form the pocket space S. Can do.
  • the pocket 20 can be stably repeated and exhibit a three-dimensional shape by the bending and stretching movements of the pocket side regions 24, so that it is worn by younger infants who frequently change their posture or repeat frequent frequent stools. Even in this case, the soft stool can be reliably accommodated in the pocket space S.
  • the pocket inner area 22 has the required vertical dimension Y, and therefore, when the pocket both side areas 24 stand up, the pocket inner area 22 is inclined with respect to the central portion 32 and moved rearward. Therefore, more excrement can be accommodated as compared with an embodiment that does not have a folding structure on the top surface and the pocket both sides 24 side.
  • a pair of fastener portions 16 are attached to both side portions of the chassis 14 in the rear waist region 12, and the fixing portions 61 of the fastener portions 16 overlap the pocket 20 and the waist contact region 31 in the lateral direction X. It is located outside the lateral direction X of the pocket 20.
  • the fastener portion 16 when the fastening means 63 of the fastener portion 16 is engaged with the front waist region 11, the fastener portion 16 easily interlocks with the expansion and contraction of the waist contact region 31, and the front and rear waist regions 11 in the direction around the waist. , 12 is improved.
  • the fixing portion 61 has a thickness direction with respect to both side fixing portions 26 of the pocket inner and outer regions 22 and 23 (that is, regions overlapping with the waist contact region 31 in plan view). It is preferable that Z overlap.
  • the waist contact area 31 is positioned so as to overlap with the fastening means 63 in the lateral direction X. Therefore, when the fastening means 63 is engaged, the waist contact area 31 and the body are in contact with each other. It is possible to suppress the generation of a gap therebetween, prevent the excrement from leaking out from the waist contact area 31, and guide the excrement to be accommodated in the pocket 20.
  • the pocket inner and outer regions 22 and 23 are fixed to the waist contact region 31 at the both side fixing portions 26, it is easy to form a three-dimensional shape in conjunction with the contraction of the waist contact region 31. Even when the waist contact area 31 is extended in the lateral direction X in the wearing state, the shrinkage amount in the lateral direction X of the waist contact area 31 including the central portion 32 ( The length dimension in the lateral direction X of the contracted portion is preferably larger than the contraction amount in the lateral direction X of the pocket inner area 22 and / or the pocket outer area 23.
  • the pocket side areas 24 are not completely laid down, and the pocket 20 can maintain a three-dimensional shape.
  • an elastic body that can be expanded and contracted in the lateral direction X is disposed in the waist contact area 31, while an elastic body is not disposed in the pocket inner area 22 and / or the pocket outer area 23. It is preferable to make it non-stretchable.
  • a pocket elastic body 76 that can be expanded and contracted in the lateral direction X is disposed in the pocket inner region 22, and the pocket elastic body 76 contracts more than the rear waist elastic body 48 disposed in the central portion 32. The rate is low.
  • the pocket 20 can exhibit a three-dimensional shape more stably. it can.
  • the shrinkage rate in the lateral direction X of the pocket inner region 22 is the lateral direction of the pocket outer region 23 in order to stably form the pocket 20. It is preferable that the shrinkage rate in X is higher.
  • the chassis 14 in the joint region 73 between the chassis 14 and the pocket forming panel 40, the chassis 14 is elastically non-stretchable, and the waist contact region 31 is in a region overlapping the pocket 20 in the thickness direction Z. Is higher than the shrinkage rate of the joint region 73. Therefore, the pockets 20 can be easily maintained in a three-dimensional shape without the pockets 24 lying down. Further, due to the rigidity of the chassis 14 joined to the inner end portion 45 of the pocket forming panel 40 via the joining area 73, the pocket outer area 23 has a relatively high rigidity, and distortion deformation is suppressed, thereby reducing the pocket space. S can be formed stably.
  • a sheet-like rigidity imparting member (not shown) may be disposed in at least one of the pocket inner area 22 and the pocket outer area 23.
  • the rigidity imparting member for example, it is preferable to use a repellent member such as urethane foam.
  • one or more deformation induction portions extending in the longitudinal direction Y may be formed in the absorber 53 located in the rear waist region 12.
  • the deformation induction part is for bending the absorber 53 along the shape of the buttock.
  • the mass per unit area of the core material in the absorber 53 is made lower than the non-arranged region of the deformation induction part.
  • the contraction rate in the lateral direction X of the waist contact region (rear waist elastic region) 31 is higher than the contraction rate in the lateral direction X of the front waist elastic region 85.
  • Such setting of the shrinkage rate can be adjusted, for example, by making the shrinkage rate of the elastic body disposed in the front waist elastic region 85 lower than the shrinkage rate of the elastic body disposed in the waist contact region 31.
  • the front waist elastic region 85 is opposed to the waist contact region 31 in the front-rear direction of the wearing state, and can be engaged with the fastening means 63 of the fastener portion 16, and can be elastically expanded and contracted in the lateral direction X.
  • the fit property is improved when the fastening means 63 is engaged with the target area in the wearing state, and the contraction force of the waist contact area 31 is larger than the front waist elastic area 85 in the waist circumference direction. Therefore, the opening of the pocket 20 is easy to open, and the pocket space S can be formed stably.
  • a stretchable target area is formed by arranging a sheet member having a loop element that can be elastically stretched in the lateral direction X in the front waist area 11 instead of the front waist elastic body 59. May be.
  • a stacked region (a region where the pocket is surrounded by a broken line K in FIG. 2) of a pocket outer region 23 and a waist contact region 31 that overlap each other in a plan view with a pocket inner region 22 has a predetermined width.
  • the size of each sample was measured by the following procedure as a sample cut out with a size of (for example, a vertical dimension of 15 mm x a horizontal dimension of 100 mm).
  • the shrinkage rate of the front waist elastic region 85 has a predetermined width in a region overlapping the waist contact region 31 in the front-rear direction in the wearing state (a region overlapping the region surrounded by the broken line K in FIG. 2 in the front-rear direction in the wearing state). A sample was cut out in size.
  • the pocket forming panel 40 that forms the pocket 20 is located outside the leg elastic body 57 and the cuff elastic body 58 in the longitudinal direction Y and does not overlap with each other in plan view of the diaper 10. . Therefore, even if the contraction force of the leg elastic body 57 or the cuff elastic body 58 indirectly acts on the pocket outer area 23 and a force to pull it downward acts, the pocket outer area 23 is pulled downward. Therefore, there is no possibility that the bent portion 25 collapses and the pocket space S disappears.
  • the pocket forming panel 40 that forms the pocket 20 is a sheet member that is separate from the chassis 14 that forms the outer shape of the diaper 10.
  • the pocket outer region 23 that is elastically non-stretchable is joined to each other, so that the elasticity of the central portion 32 of the waist contact region 31 is not reduced by the rigidity of the chassis 14. Excellent fit.
  • the pocket forming panel 40 bent in a substantially Z shape in the longitudinal section as a separate member from the chassis 14 the sheet member constituting the chassis 14 is conveyed in the vertical direction Y when the diaper 10 is manufactured.
  • the diaper 10 can be continuously produced, and the productivity is excellent.
  • the pocket forming panel 40 is located inside the rear end edge 14b of the chassis 14 in the vertical direction Y, that is, the outer end edge 40b of the pocket forming panel 40 and the pocket 20 are folded. It is preferable that the bent portion 25 is located inside the rear end edge 14 b of the chassis 14 in the vertical direction Y. In such a diaper 10, since the folded pocket forming panel 40 is covered with the chassis 14 in appearance, it is excellent in aesthetic appearance.
  • the central portion 32 and the pocket 20 are formed from the pocket forming panel 40, and it can be said that the dimensions in the lateral direction X of the sheet members forming them are the same.
  • the dimension in the lateral direction X of the pocket inner area 22 connected to the inner end 32a in the bent portion 27 even if no elastic body is arranged in the pocket inner area 22. Is shrunk.
  • a plurality of gathers 78 that extend in the vertical direction Y are formed in the pocket inner region 22.
  • a pocket that can be opened downward may be disposed in the same manner as the rear waist region 12 in order to temporarily store and hold urine.
  • the constituent materials constituting the diaper 10 of the present invention various known materials that are usually used in this type of field can be used without limitation, unless otherwise specified.
  • the front waist elastic body 59 is disposed in the front waist region 11, but a configuration in which an elastic body that can expand and contract in the lateral direction X in the front waist region 11 may not be disposed.
  • terms such as “first” and “second” used in this specification are simply used to distinguish similar elements, positions, and the like.
  • a crotch region having a longitudinal direction and a lateral direction, a first waist region that is one of the front and rear waist regions, a second waist region that is the other of the front and rear waist regions, and a crotch region that is located between the first and second waist regions And a pair of fastener parts that are attached to both side portions of the first waist region and releasably lock the first waist region and the second waist region.
  • the region is located on the skin contact surface side and extends in the lateral direction, and is opposed to the waist contact region in the thickness direction in the central portion in the lateral direction, and on the non-skin contact surface side.
  • a pocket that can be opened to the crotch region side, and the pocket includes a pocket outer region that extends from the crotch region side to a waist opening side, a pocket outer region, and a waist contact region, respectively.
  • a pocket inner region that is opposed to the thickness direction and is continuous with the pocket outer region through a bent portion that extends in the lateral direction, and that extends from the bent portion toward the crotch region and is connected to the waist contact region.
  • Each of the pocket inner area and the pocket outer area has both side fixing portions fixed to the waist contact area on both sides in the lateral direction of the opening of the pocket.
  • the disposable wearing article according to the present invention disclosed in the above paragraph 0052 can include at least the following embodiments.
  • the pocket further includes pocket both side regions formed from both side portions of the pocket inner side region and both side portions of the pocket outer side region and folded inward in the lateral direction.
  • It further includes an absorber extending from the crotch region to the first and second waist regions, and the pocket is located on an extension line in the longitudinal direction of the absorber.
  • the waist contact area can be elastically expanded and contracted in the lateral direction.
  • At least one of the pocket inner area and the pocket outer area can be elastically expanded and contracted, and the contraction rate in the lateral direction of the waist contact area is determined by each of the pocket inner area and the pocket outer area. Higher than the shrinkage rate in the lateral direction.
  • the waist contact area is positioned so as to overlap with the fastening means of the pair of fastener portions in the lateral direction.
  • the waist contact area is positioned so as to overlap the fastener portion in the lateral direction.
  • the wearing article includes a chassis that forms the first and second waist regions and the crotch region, and a pocket forming panel that is joined to the chassis and forms the waist contact region and the pocket inner / outer region. Including.
  • the pocket forming panel is located inside an edge of the chassis in the longitudinal direction.
  • the chassis has a joint region to which the pockets are joined, and the shrinkage rate in the lateral direction of the waist contact region is higher than the shrinkage rate in the transverse direction of the joint region.
  • the second waist region has a target region in which the fastener portion can be engaged and disengaged and can elastically expand and contract in the lateral direction, and the contraction rate in the lateral direction of the waist contact region is: It is higher than the shrinkage rate in the lateral direction of the target area.

Abstract

L'invention concerne un article portable jetable qui peut stocker et retenir les déchets corporels qui se déplacent vers l'ouverture de la taille et empêcher les déchets corporels d'entrer en contact avec la peau de l'utilisateur. Une première région de taille (12) d'un article portable jetable (10) comprend : une zone en contact avec la taille (31) qui est positionnée sur le côté en contact avec la peau et qui s'étend dans la direction latérale (X); et une poche (20) qui est opposée, dans la direction de l'épaisseur (Z), la zone en contact avec la taille, qui est positionnée sur le côté qui n'est pas en contact avec la peau, et qui peut s'ouvrir à une zone d'entrejambe (13). La poche comprend une zone extérieure de poche (23) et une zone intérieure de poche (22), et à la fois la zone intérieure de poche et la zone extérieure de poche ont chacune des parties de fixation d'extrémité (26) qui sont fixées à la zone en contact avec la taille au niveau des deux extrémités dans la direction latérale de l'ouverture de poche.
PCT/JP2016/051309 2015-03-30 2016-01-18 Article portable jetable WO2016157943A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201680013865.9A CN107405220B (zh) 2015-03-30 2016-01-18 一次性穿着物品

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015-069489 2015-03-30
JP2015069489A JP6498988B2 (ja) 2015-03-30 2015-03-30 開放型の使い捨て着用物品

Publications (1)

Publication Number Publication Date
WO2016157943A1 true WO2016157943A1 (fr) 2016-10-06

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PCT/JP2016/051309 WO2016157943A1 (fr) 2015-03-30 2016-01-18 Article portable jetable

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JP (1) JP6498988B2 (fr)
CN (1) CN107405220B (fr)
WO (1) WO2016157943A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
WO2021192998A1 (fr) * 2020-03-25 2021-09-30 大王製紙株式会社 Article à porter jetable attaché

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Publication number Priority date Publication date Assignee Title
JP6986495B2 (ja) 2018-06-29 2021-12-22 ユニ・チャーム株式会社 使い捨ておむつ
USD935606S1 (en) 2018-11-15 2021-11-09 Unicharm Corporation Disposable diaper
JP6720281B2 (ja) * 2018-12-07 2020-07-08 ユニ・チャーム株式会社 使い捨ておむつ
WO2020115916A1 (fr) * 2018-12-07 2020-06-11 ユニ・チャーム株式会社 Couche jetable

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS6426701A (en) * 1987-07-17 1989-01-30 Uni Charm Corp Disposable diaper
JPH05192367A (ja) * 1992-01-23 1993-08-03 Oji Paper Co Ltd 使いすておむつ
US20030050616A1 (en) * 1999-09-20 2003-03-13 Gary M. Reynolds Absorbent article having a deployable gasket element

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Publication number Priority date Publication date Assignee Title
PL370626A1 (en) * 2001-12-21 2005-05-30 The Procter & Gamble Company Disposable absorbent article having barrier leg cuff and elasticized outer leg cuff
US7736351B2 (en) * 2004-02-02 2010-06-15 The Procter & Gamble Company Simple disposable absorbent article
CN100531697C (zh) * 2005-10-14 2009-08-26 王子妮飘株式会社 一次性尿布
JP5984368B2 (ja) * 2011-01-31 2016-09-06 ユニ・チャーム株式会社 使い捨て着用物品

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6426701A (en) * 1987-07-17 1989-01-30 Uni Charm Corp Disposable diaper
JPH05192367A (ja) * 1992-01-23 1993-08-03 Oji Paper Co Ltd 使いすておむつ
US20030050616A1 (en) * 1999-09-20 2003-03-13 Gary M. Reynolds Absorbent article having a deployable gasket element

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021192998A1 (fr) * 2020-03-25 2021-09-30 大王製紙株式会社 Article à porter jetable attaché

Also Published As

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JP6498988B2 (ja) 2019-04-10
CN107405220A (zh) 2017-11-28
CN107405220B (zh) 2020-09-25
JP2016187510A (ja) 2016-11-04

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