WO2015068484A1 - パンツ型の着用物品 - Google Patents

パンツ型の着用物品 Download PDF

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Publication number
WO2015068484A1
WO2015068484A1 PCT/JP2014/075359 JP2014075359W WO2015068484A1 WO 2015068484 A1 WO2015068484 A1 WO 2015068484A1 JP 2014075359 W JP2014075359 W JP 2014075359W WO 2015068484 A1 WO2015068484 A1 WO 2015068484A1
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WO
WIPO (PCT)
Prior art keywords
waist
region
leg
elastic
rear waist
Prior art date
Application number
PCT/JP2014/075359
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
瀧野　俊介
秀晃 槇
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 CN201480061223.7A priority Critical patent/CN105705125B/zh
Priority to KR1020167014950A priority patent/KR102272443B1/ko
Priority to AU2014345089A priority patent/AU2014345089B2/en
Publication of WO2015068484A1 publication Critical patent/WO2015068484A1/ja
Priority to PH12016500591A priority patent/PH12016500591A1/en

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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 articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers 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 articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49017—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being located at the crotch 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
    • A61F13/45—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
    • A61F2013/49088—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the leg opening
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F2013/8497—Accessories, not otherwise provided for, for absorbent pads having decorations or indicia means

Definitions

  • the present disclosure relates to a pants-type disposable wearing article, and more specifically, an elastic region is formed at the edge of the leg opening, and is used as a pants-type disposable diaper, disposable toilet training pants, disposable incontinence pants, etc. It is related with the disposable pants-type wearing article suitable for.
  • Patent Document 1 includes an absorber that extends from the crotch region to the front and rear waist regions, and a pair of side flaps that are positioned outside both side edges of the absorber, and the side flaps have leg openings.
  • a pants-type wearing article in which a leg elastic region is formed along the peripheral edge is disclosed.
  • the leg elastic region is formed in the side flap, so that the peripheral edge of the leg opening fits the wearer's thigh and prevents the side leakage of excrement. be able to.
  • the elastic region of the side flaps stands up toward the inside of the leg opening at the bottom of the crotch region. Become. If the leg of the wearer is passed through the leg opening in this state, the peripheral edge of the leg opening in the side flap may be worn in a state of being bent inside the wearing article. In particular, when the side flaps are bent inside the wearing article at the inner edge of the leg elastic region, the leg elastic region does not function properly, so if you keep wearing the wearing article without noticing this bent state, There is a risk of side leakage.
  • the present invention provides a disposable pants-type wearing article that can be found in
  • the present invention has a front waist panel having a longitudinal direction and a lateral direction perpendicular thereto, a skin facing surface and a non-skin facing surface which is the opposite surface, and defining a front waist region and a rear waist region.
  • the crotch panel includes a waist panel and a crotch panel that defines a crotch region, and the crotch panel has a liquid-absorbing structure in which the skin-facing surface of the absorber is covered with a liquid-permeable surface sheet, and the lateral direction of the absorber
  • the present invention relates to improvement of a pants-type wearing article in which a waist opening and a pair of leg openings are defined by being joined to a skin facing surface.
  • the present invention provides the wearing article, wherein the side flap forms a part of the periphery of the leg opening and has a leg elastic region extending along the periphery, and from the front waist region to the rear waist region.
  • the leg elastic region has an inner edge and an outer edge that are defined by a leg elastic body positioned on the graphic display portion and are opposed to each other in the lateral direction, and the graphic display portion has the lateral direction.
  • the side flap is at least the crotch panel The center in the lateral direction and the inner edge of the leg elastic region are joined.
  • the side flap in at least one waist panel of the front and rear waist region, is between the center of the crotch panel and the inner edge of the leg elastic region.
  • the side flaps can be prevented from being bent so as to enter the inside of the wearing article at the inner edge of the leg elastic region.
  • the side flap is formed with a graphic display portion extending from the front waist region to the rear waist region, and the graphic display portion is formed so as to extend along the inner edge of the leg elastic region.
  • the mother and the wearer can easily find the bent side flap by the state in which the graphic display portion extends. By the discovery, the state of the side flap can be promptly corrected for the mother or the like.
  • FIG. 3 is a partially exploded exploded view of the diaper of FIG. 2. It is a figure similar to FIG. 2, Comprising: The figure for demonstrating a junction part.
  • FIG. 5 is a schematic cross-sectional view taken along line VV in FIG. 2.
  • FIG. 1 The typical sectional view of the lowest part of the crotch area in the diaper of FIG.
  • A The front view of the diaper in a wearing condition.
  • B The rear view of the diaper in a wearing condition.
  • A The figure similar to Fig.6 (a) in case the side flap bends.
  • B The same figure as FIG.6 (b) in case the side flap bends.
  • the following embodiment relates to a pants-type wearing article shown in FIGS. 1 to 11 and includes not only an indispensable structure of the invention but also a selective and preferable structure.
  • FIG. 1 shows a disposable pant-type diaper 10 which is an example of a pant-type wearing article according to the present invention.
  • a diaper 10 includes a vertical axis P and a horizontal axis Q orthogonal to each other, a vertical direction Y parallel to the vertical axis P, a horizontal direction X parallel to the horizontal axis Q, and a skin facing surface (see FIG. 2) and a non-skin facing surface which is the opposite surface thereof, an annular waist panel 12 (see FIG. 1), and a crotch panel 13 attached to the skin facing surface of the waist panel 12.
  • the crotch panel 13 includes the liquid absorbing structure 11 connected to the skin facing surface of the waist panel 12 and having an absorbent body 58.
  • the diaper 10 has a front waist region 14, a rear waist region 15, and a crotch region 16 positioned between the front and rear waist regions 14 and 15, and is symmetric about the vertical axis P. That is, the vertical axis P is a center line that bisects the dimension of the diaper 10 in the horizontal direction X.
  • the horizontal axis Q is a center line that bisects the dimension in the vertical direction Y of the diaper 10 in FIG.
  • the waist panel 12 has an elastic belt function for fixing the liquid absorbing structure 11 to the wearer's lower torso, and includes a front waist panel 18 that defines the front waist region 14 and a rear waist that defines the rear waist region 15.
  • Panel 19 In FIG. 2, the front waist panel 18 has a horizontal rectangular shape defined by a lower end edge 18a, an upper end edge 18b, and both side edges 18c, 18d extending between both end edges 18a, 18b.
  • the rear waist panel 19 has a horizontal rectangular shape defined by a lower end edge 19a, an upper end edge 19b, and both side edges 19c and 19d extending between both end edges 19a and 19b.
  • Each of the side edges 18c, 18d of the front waist panel 18 and the side edges 19c, 19d of the rear waist panel 19 in FIG. 2 are overlapped with each other, and are well-known means in the seam 20 arranged intermittently in the longitudinal direction Y.
  • the waist opening 22 and the leg opening 23 in FIG. 1 are defined by being connected by heat welding means such as hot embossing / debossing and sonic processing.
  • leg opening edge portions 18e and 19e which are portions along the lower end edges 18a and 19a forming a part of the periphery of the leg opening 23 can be visually identified from the graphic display portion 61 described later. Formed as follows.
  • a graphic display unit 61 that is a graphic is formed on the side flap 43 of the crotch panel 13, and the same graphic as the graphic of the graphic display unit 61 is not displayed on the leg opening edges 18 e and 19 e. Identification is possible.
  • the lower end edges 18 a and 19 a are located at the lower end of the connecting portion formed by the seam 20.
  • the front and rear waist panels 18, 19 include waist inner layers 24, 25 located on the skin facing surface side and waist outer layers 26, 27 located on the non-skin facing surface side, respectively.
  • the waist outer layers 26 and 27 have a width dimension in the longitudinal direction Y larger than that of the waist inner layers 24 and 25 and are folded at the waist opening edge. A part of the waist inner layers 24 and 25 is located between the folded outer waist layers 26 and 27.
  • the waist inner layers 24 and 25 and the waist outer layers 26 and 27 include SMS (spunbond / meltblown / spunbond) nonwoven fabric, spunbond fiber nonwoven fabric, air-through fiber nonwoven fabric, moisture-permeable plastic film, or a mass of about 15 to 30 g / m 2.
  • SMS spunbond / meltblown / spunbond
  • a laminate sheet of any of the above-mentioned fiber nonwoven fabrics and a moisture-permeable plastic film can be used.
  • the waist inner layer 24 and the waist outer layer 26, and the waist inner layer 25 and the waist outer layer 27 are joined together by an appropriate adhesive, for example, a hot melt adhesive or a known heat welding means.
  • an elastic fiber nonwoven fabric may be used for the waist inner layers 24 and 25.
  • ⁇ Graphic display film> Referring to FIGS. 2 and 3, between the waist inner layer 24 and the waist outer layer 26, and between the waist inner layer 25 and the waist outer layer 27, from the non-skin facing surface in the central portion in the lateral direction X of the front and rear waist regions 14 and 15.
  • Moisture permeable plastic films 28 and 29 on which a see-through graphic (not shown) or the like is printed are arranged.
  • Graphics can be obtained by the composition of visual elements such as various shapes and patterns. There are regular and irregular graphics. An example of a regular graphic is a dot or stripe. Achromatic and chromatic colors can be used around the graphics. In addition, brightness, saturation, and hue can be changed.
  • the front and rear waist panels 18 and 19 are formed with waist elastic regions that can be expanded and contracted in the lateral direction X.
  • the waist elastic region includes upper elastic regions 34a and 35a obtained by equally dividing the space between the upper end edges 18b and 19b and the lower end edges 18a and 19a of the respective waist panels 18 and 19 in the longitudinal direction Y, and an intermediate elastic region. 34b, 35b and lower elastic regions 34c, 35c.
  • the upper elastic regions 34a and 35a, the intermediate regions 34b and 35ba, and the lower elastic regions 34c and 35c have first, second, and third waist elastic bodies 31a that extend in the lateral direction X so as to be contractible. 32a, 31b, 32b, 31c, 31d are arranged.
  • the first waist elastic bodies 31a, 32a are made of an appropriate adhesive between the folded portions 26a, 27a of the waist outer layers 26, 27 on the waist opening edge side and a part of the waist outer layers 26, 27 positioned opposite thereto, for example,
  • the waist elastic bodies 31b, 32b, 31c, and 32c are attached with an appropriate adhesive between the waist inner layers 24 and 25 and the waist outer layers 26 and 27, for example, a hot melt adhesive.
  • the waist elastic bodies 31a, 32a, 31b, 32b, 31c, and 31d can be formed of, for example, a thread-like, string-like, or strand-like elastic material.
  • the waist elastic bodies 31a and 32a are stretched from a length when the elastic body having a fineness of about 310 to 780 dtex is contracted to a length of about 1.8 to 2.8 times the length. Can be used.
  • an elastic body having a fineness of about 470 to 940 dtex that has been stretched to a length of about 1.6 to 3.8 times can be used.
  • the waist elastic bodies 31c and 32c it is possible to use an elastic body having a fineness of about 310 to 620 dtex that is expanded from a contracted state to a length of about 1.1 to 3.8 times.
  • the waist elastic bodies 31c and 32c may be used in such a manner that the absorber 58 is not deformed by the contraction. For example, as shown in FIGS. 2 and 3, it extends from both side edges 18 c, 18 d, 19 c, 19 d of the front and rear waist panels 18, 19 to both side edges of the absorber 58 so as not to cross the absorber 58. Used in the embodiment. Further, when the waist elastic bodies 31c and 32c cross the absorbent body 58, the expansion ratio in the portion overlapping the absorbent body 58 is lowered, for example, 1.4 times or less, and both side edges 18c and 18d are used.
  • the stretching magnification may be increased to a value exceeding 1.4 times, for example.
  • the absorbent body 58 is sandwiched between the legs of the wearer when the diaper 10 is worn and deformed so that the lateral width is narrow.
  • the waist elastic bodies 31c and 32c can also be used as what deform
  • the waist elastic body 32c has a smaller fineness and expansion ratio than the waist elastic bodies 32a and 32b, and the extension force of the lower elastic region 35c is applied to the other elastic regions 35a and 35b. It is lower than that.
  • a specimen having a length of 3 to 5 mm in the lateral direction X is cut out from that portion to form a specimen in a relaxed state.
  • a pair of marked lines with a separation dimension of 2 cm in the lateral direction X is entered, and the extension force of each specimen when the separation dimension is expanded to 1.7 times is obtained and compared.
  • the upper elastic region 35a specimen is about 0.7 to 1.7N
  • the intermediate elastic region 35b specimen is 0.4 to 1.4N
  • the lower elastic region 35c specimen is about 0.00. 2 to 1.2 N
  • the interrelationship of the extension force of each elastic region is upper elastic region 35a ⁇ intermediate elastic region 35b> lower elastic region 35c.
  • the mutual relationship of the extension force of each elastic region in the front waist region 14 is the intermediate elastic region 34b ⁇ the upper elastic region 34a> the lower elastic region 34c.
  • the waist elastic bodies 31 and 32 are formed of the same material, spaced apart at equal intervals in the longitudinal direction Y, and only the fineness (dtex) is between the waist elastic bodies 31a and 32a, It can be obtained by making a difference between the waist elastic bodies 31b and 32b and the waist elastic bodies 31c and 32c. It can also be obtained by using waist elastic bodies 31 and 32 made of the same material and having the same fineness and making a difference in the separation distance between the elastic bodies in each elastic region.
  • the material of each waist elastic body 31 and 32, a fineness, and a separation distance can be suitably set so that it may become the correlation mentioned above.
  • the crotch panel 13 has front and rear end portions 46 and 47 that overlap with the front and rear waist panels 18 and 19, and an intermediate portion 48 that is located between the front and rear end portions 46 and 47 and forms a crotch region 16.
  • seat 65 formed with the property nonwoven fabric, the liquid absorption structure 11, and a pair of side flap 43 are included.
  • As the outer surface sheet 65 a nonwoven fabric and a plastic film can be used in addition to the nonwoven fabric.
  • the liquid absorbing structure 11 is disposed on the skin facing surface side of the outer surface sheet 65, and the pair of side flaps 43 are disposed on the lateral outer side of the liquid absorbing structure 11.
  • the front and rear end portions 46 and 47 of the crotch panel 13 are made of an appropriate adhesive applied to the non-skin facing surface side, for example, a hot melt adhesive (not shown) and the front and rear waist panels 18 and 19. It is fixed along the lower edge 18a, 19b with respect to the skin facing surface.
  • the joining area 41 may be formed by a known joining means other than an adhesive.
  • the adhesive application area 41 forms a strip-shaped line having a predetermined width and extends in the longitudinal direction Y while drawing a plurality of first joint portions 41a extending in parallel in the lateral direction X and a spiral line. A plurality of second joint portions 41b.
  • the width dimension of the 1st junction part 41a is formed larger than the width dimension of the spiral line which forms the 2nd junction part 41b.
  • the first and second bonding areas 41a and 41b are not limited to the vertical direction Y and the horizontal direction X, and need only extend in different directions.
  • the first bonding area 41a is formed in a spiral shape, and the second bonding area 41b. May be formed linearly.
  • the liquid absorbing structure 11 has a vertically long pad shape, includes front and rear end portions 54 and 55, and an intermediate portion 56, and at least in the longitudinal direction Y in the crotch region 16, that is, the front and rear waist panels. 18 and 19, an absorbent body 58, a liquid-permeable surface sheet 59 covering the skin-facing surface side of the absorbent body 58, and a liquid-impervious property located on the non-skin-facing surface side of the absorbent body 58 An air-impermeable and liquid-impermeable back sheet 60.
  • the front and rear end portions 54 and 55 are respectively fixed to the skin facing surfaces of the front and rear waist panels 18 and 19 with an appropriate adhesive, for example, a hot melt adhesive (not shown), and the intermediate portion 56 is an appropriate adhesive. For example, it is joined to the skin facing surface of the side sheet 44 forming the side flap 43 with a hot melt adhesive (not shown).
  • the front end portion 54 of the liquid absorbing structure 11 is fixed to the skin facing surface of the waist inner layer 24 of the front waist panel 18, and the rear end portion 55 is fixed to the skin facing surface of the waist inner layer 25 of the rear waist panel 19.
  • Absorber 58 had a mass per unit area of about 300-900 g / m 2 and was formed from a mixture of fluff pulp, superabsorbent polymer particles (SAP) and optionally included heat-bondable staple fibers. It is formed by coating the core material with a liquid-permeable wrapping sheet, for example, a liquid-permeable fiber nonwoven fabric.
  • a liquid-permeable wrapping sheet for example, a liquid-permeable fiber nonwoven fabric.
  • various known fiber nonwoven fabrics such as a liquid-permeable spunbond fiber nonwoven fabric and SMS fiber nonwoven fabric having a mass per unit area of about 10 to 30 g / m 2 can be used.
  • a liquid-impervious and moisture-permeable plastic film As the back sheet 60, a liquid-impervious and moisture-permeable plastic film, a hardly liquid-permeable or liquid-impervious fiber nonwoven fabric, a laminate sheet of a fiber nonwoven fabric and a moisture-permeable plastic film, or the like can be used.
  • the dimension L1 in the longitudinal direction Y is about 350 to 600 mm
  • the dimension W1 in the transverse direction X of the diaper 10 is about 300 to 430 mm
  • the dimension L2 in the longitudinal direction Y of the crotch region 16 is about 180 to
  • the dimension L3 in the longitudinal direction Y of the side edge 18d of the front waist region 14 is preferably about 160 to 180 mm.
  • the pair of side flaps 43 extends outward in the lateral direction X from both side edges of the liquid absorbing structure 11. 5 and 6, only one of the pair of side flaps 43 is illustrated, but the other side flap 43 naturally has the same configuration. 2 and 4, the side flap 43 includes a front end portion 91, a rear end portion 92, and an intermediate portion 93 positioned between the front and rear end portions 91 and 92, and the side seat 44.
  • a plurality of strips for example, a string-like, string-like or strand-like leg elastic body 45, and a moisture-permeable plastic film 60 having a graphic display portion 61 on which a graphic (not shown) is drawn are included.
  • the front and rear end portions 91 and 92 are fixed to the skin facing surfaces of the leg opening edge portions 18e and 19e along the lower end edges 18a and 19b of the front and rear waist panels 18 and 19 via the joint region 41.
  • the side seat 44 defines the outer shape of the side flap 43, has a vertical rectangular shape extending from the crotch region 16 to the front and rear waist regions 14, 15, and is folded back at a bent portion 44 a located outside the lateral direction X. .
  • the bent portion 44 a is also the outer edge of the side flap 43.
  • the leg elastic body 45 and the film 60 are located between the folded side sheets 44, and the graphic display unit 61 extends from the crotch region 16 to the front and rear waist regions 14 and 15 (see FIG. 2).
  • leg elastic body 45 In the side flap 43, a portion where the leg elastic body 45 exists is a leg elastic region 42. In the lateral direction X of the side flap 43, the leg elastic body 45 located closest to the center line P (see FIG. 2) is the innermost leg elastic body 45a, and the leg elastic body 45 located farthest from the center line P. Is the outermost leg elastic body 45b.
  • leg elastic body 45 is attached to the side seat 44 so as to be contractable in an extended state in parallel with the outer edge 44 a of the side flap 43.
  • an elastic yarn having a fineness of 250 to 500 dtex is attached as the leg elastic body 45 in a state of being stretched 1.8 to 3 times.
  • an elastic material of 470 dtex or more for example, an elastic material of 620 dtex or 780 dtex
  • an elastic material having a fineness smaller than these is used at a similar expansion ratio, 1 so that the leg elastic region 42 of the side flap 43 located in the lowermost portion 16a extends horizontally in the lateral direction X at the lowermost portion 16a in the longitudinal direction Y of the crotch region 16 that is curved in a U shape as shown in FIG.
  • the leg elastic body 45 it is preferable to use one or a plurality of, for example, a thread-like or string-like elastic body, but a ribbon-like elastic body can also be used.
  • a ribbon-like elastic body and, for example, a string-like elastic body can also be used in combination.
  • leg elastic region 42 The reciprocal relationship between the leg elastic region 42 and the upper elastic regions 34a, 35a and the intermediate elastic regions 34b, 35b of the front and rear waist panels 18, 19 is as follows: upper elastic region 34a, 35a> leg elastic region 42, intermediate elastic region 34b, 35b> Leg elastic region 42 is preferable. If there is such a mutual relationship, the side flap 43 is fitted to the diaper 10 together with the legs inserted into the leg opening 23 while fitting the wearer's waist and waist so that the diaper 10 in the worn state does not slide down. It becomes easy to turn to the outside. That is, the side flap 43 can be prevented from being bent toward the inside of the diaper 10.
  • the leg elastic body 45 includes a plurality of waist elastic bodies 31c and 32c. At least one of the waist elastic bodies 31c and 32c is in a crossed state.
  • the leg elastic region 42 formed by the leg elastic body 45 and the lower elastic regions 34c and 35c formed by the waist elastic bodies 31c and 32c are expanded to the same expansion ratio, the lower elastic regions 34c and 35c are respectively expanded.
  • the force is configured to be larger than the extension force of the leg elastic region 42.
  • the lowermost elastic regions 34c and 35c of the front and rear waist panels 18 and 19 intersecting with the innermost leg elastic body 45a forming the inner edge 42a of the leg elastic region 42 are provided.
  • the stretching force of the waist panel elastic bodies 31c and 32c is larger than the stretching force of the leg elastic body 45a.
  • the elastic members 31c, 32c, and 45a have an extension force, and each of the elastic members 31c, 32c, and 45a is cut out together with a nonwoven fabric sandwiching the elastic members 31c, 32c, and 45a, and the extension force of the leg elastic region 42 is measured. What is necessary is just to measure extension force on the same conditions as the time conditions.
  • the side flaps 43 that have such a contraction relationship and overlap the front and rear waist regions 14 and 15 can easily maintain a nearly horizontal state in the lowermost portion 16a when the diaper 10 is in a relaxed state as shown in FIG. Therefore, when the diaper is worn, the side flap 43 can be prevented from being bent toward the inside of the diaper 10.
  • the film 60 is made of a moisture-permeable plastic material and has a graphic display unit 61 on which graphics are drawn on the non-skin facing surface side.
  • the graphic display unit 61 is formed by performing graphic printing on the entire surface of the non-skin facing surface.
  • the graphic referred to in the present invention includes visual elements displayed on the nonwoven fabric 44 forming the film 60 and the side flaps 43.
  • a graphic can be achromatic or chromatic. There are no restrictions on the brightness, saturation, and hue used for graphics.
  • the graphic may be formed continuously or intermittently. For example, as shown in FIG. 2, it may be an aggregate of a plurality of dots.
  • the graphic display unit 61 must extend from the front waist panel 18 to the rear waist panel 19. Further, the graphic display unit 61 in the lateral direction X of the side flap 43 should be formed at least inside the inner edge 42a of the leg elastic region 42 and be visible from the non-skin facing surface side of the side flap 43. In other words, in the lateral direction X, the graphic display unit 61 may be only inside the inner edge 42 of the leg elastic region 42, or may be formed so as to straddle the inner edge 42, or the side flap 43. May extend to the bent portion 44a which is the outer edge of the.
  • the graphic display unit 61 also has an inner edge 61a and an outer edge 61b (see FIG. 5).
  • the outer edge 61 b is formed to be parallel to the inner edge 42 a of the leg elastic region 42.
  • the inner edge 61 a of the graphic display unit 61 is located between the liquid absorbing structure 11 and the inner edge 42 a of the leg elastic region 42, but the inner edge 61 a overlaps with the liquid absorbing structure 11. May be in position.
  • the outer edge 61b is a line obtained by sequentially connecting the graphic edges located on the outermost side of the graphic display unit 61 in the vertical direction Y.
  • the graphic display unit 61 may be formed by printing on the side sheet 44 instead of the film 60, and the film 60 can be omitted from the side flap 43 in this case.
  • a second display portion 63 that can be visually distinguished from the graphic display portion 61 may be formed outside the graphic display portion 61 in the lateral direction X.
  • the 2nd display part 63 is formed between the bending part 44a of the side seat
  • a white second display portion 63 that is the ground color of the side sheet 44 is formed.
  • the second display unit 63 may display a graphic or character different from the graphic in the graphic display unit 61. Moreover, it is good also as a structure which expands the width
  • the side flap 43 may not be formed with the second display portion 63, and the graphic display portion 61 may extend to the bent portion 44a.
  • the side flap 43 when the diaper 10 is worn, the side flap 43 exhibits a function as a gasket cuff that contacts the wearer's thigh and prevents side leakage. . Since the graphic display part 61 is formed in the side flap 43 across the inner edge 42a of the leg elastic region 42, it is difficult for a mother or the like to pay attention to the inner edge 42a of the leg elastic region 42 of the diaper 10. However, it is easy to focus on the portion corresponding to the inner edge 42a. Thereby, if the user is in an abnormal state where the leg elastic region 42 is wound inside the diaper 10 or is meandering, the user can easily find the state.
  • leg opening edge portions 18e and 19e of the front and rear waist panels 18 and 19 are formed with portions that can be distinguished from the graphic display portion 61, the user can compare the front and rear waist panels 18 and 19 with each other.
  • the presence of the graphic display unit 61 can be easily recognized, and the abnormality of the side flap 43 can be easily found.
  • An example of such a part that can be identified is a part having a color different from the color of the graphic display unit 61.
  • the leg opening edges 18e and 19e can be easily present by contrast with the graphic display part 61 by forming the second display part 63 where no graphic is displayed on the leg opening edges 18e and 19e. Can be recognized. Furthermore, as shown in FIG.
  • the region between the inner edge 42 a of the leg elastic region 42 and the side edge of the absorber 58 is the front and rear waist via the first joint portion 41 a (see FIG. 4). Since it is fixed to the panels 18, 19, that is, which region surely spreads in the lateral direction X, the inner edge 42 a of the leg elastic region 42 in the front and rear waist regions 14, 15 is the diaper 10 when the diaper 10 is mounted. It can be prevented that it enters the inside of the door and bends. Furthermore, when the 1st junction part 41a is extended to the outer side edge 24b of the leg elastic region 42, it can prevent that the whole area of the width direction (lateral direction X) of the leg elastic region 42 is bent inside.
  • the side flaps 43 are not restrained by the front and rear waist panels 18, 19, The side flap 43 tends to bend toward the inside of the diaper 10.
  • the graphic display unit 61 located at the heel part is bent inward of the diaper 10 with respect to the graphic display unit 61 located near the front and rear waist regions 14 and 15, a part of the graphic display unit 61 becomes invisible.
  • the bending of the side flap 43 can be easily found.
  • the leg elastic region 42 since the extension force of the leg elastic region 42 is smaller than each of the upper elastic region 35a and the intermediate elastic region 35b, the leg elastic region 42 is contracted to the lower elastic region 35c by the contraction of the leg elastic region 42. Even if a force for pulling is applied, the lower elastic region 35c is not greatly displaced, and the entire rear waist region 15 does not move forward.
  • the upper elastic region 35a in the waist panel of the diaper 10 is improved.
  • the crotch panel 13 includes an outer surface sheet 65 on which the liquid absorbing structure 11 is disposed and a pair of side flaps 43, and the outer sheet 65 (see FIG. 3) and the side
  • the flap 43 is joined to the front and rear waist panels 18 and 19 via a joining area 41 (see FIG. 4).
  • the side flap 43 covers the cover sheet 80 fixed to both sides of the outer surface sheet 65, a plurality of, for example, thread-like, string-like or strand-like leg elastic bodies 45 covered with the cover sheet 80, and the cover sheet 80.
  • Film 60 (see FIG. 5).
  • the graphic display unit 61 is formed across the inner edge 42 a of the leg elastic region 42, and the second display unit 63 is formed outside the horizontal direction X of the graphic display unit 61.
  • the joining area 41 prevents the inner edge 42a of the leg elastic area 42 from bending inside the leg opening 23 in the front and rear waist areas 14, 15. be able to. Further, the bending of the side flap 43 can be easily found by the graphic display unit 61 and the second display unit 63.
  • the cover sheet 80 of the side flap 43 is formed from a single fiber nonwoven fabric or plastic film, and is fixed to the outer sheet 65 with an appropriate adhesive such as a hot melt adhesive in a state of being folded in two.
  • the leg elastic body 45 is fixed to the inner side of a bent portion 44a in which the cover sheet 80 is bent and fixed via a hot melt adhesive (not shown) applied to the peripheral surface thereof so as to be contractible in an extended state.
  • the side flaps 43 are fixed to the skin facing surface of the outer sheet 65 in a contracted state in the vertical direction Y as a whole, and are formed so that a large number of gathers 81 extending in the horizontal direction X are arranged in the vertical direction Y.
  • the gathers 81 extend in the horizontal direction X and are aligned in the vertical direction Y not only in the region where the leg elastic bodies 45 are disposed, but also in the joint portion 82 where the side flaps 43 are fixed to the base sheet 87.
  • the dimension in the longitudinal direction Y of the crotch region 16, that is, the distance L2 in the longitudinal direction Y in the drawing between the lower end edge 18a of the front waist region 14 and the lower end edge 19a of the rear waist region 15 is 180 to 300 mm. It is preferable that the dimension L4 of the bent portion 44a and the vicinity thereof at the time of the maximum extension of 43 is about 210 to 420 mm.
  • the effective extension dimension L4 means the lower end edge 18a of the front waist region 14 and the lower end edge 19a of the rear waist region 15 excluding the front and rear end portions 46, 47 that are fixed to the front and rear waist regions 14, 15 and do not substantially extend. It is the length of the bending part 44a of the side flaps 43 located between.
  • the bent portion 44a can be elastically extended to such an extent that the gather 81 disappears, and the dimension L4 when extended in such a manner is larger than L2.
  • the preferred side flap 43 is elastic at least 1.05 times, more preferably 1.05 to 1.5 times, and even more preferably 1.1 to 1.4 times the dimension L2 in the longitudinal direction Y of the crotch region 16. It is formed to be extensible. In the case of the diaper 10 of this embodiment, when worn, the side flap 43 fits the entire width of the leg elastic region 42 stably in the thigh in the lateral direction X.
  • the side flap 43 is cut out together with a part of the front and rear waist panels 18 and 19 from the diaper S10 of FIG.
  • the specimen may be pulled in the longitudinal direction Y to such an extent that the gather 81 disappears, and the length of the portion corresponding to the dimension L2, that is, the dimension L4 may be measured with the long length.
  • the extension amount of the bent portion 44a of the side flap 43 is affected by the non-extensible liquid-absorbing structure 11, so that the length of the bent portion 44a at that time May be smaller than the length obtained with the specimen.
  • the crotch panel 13 includes an outer surface sheet 65 on which the liquid absorbing structure 11 is disposed, and the outer surface sheet 65 is attached to the front and rear waist panels 18 and 19 via a joining region 41 (see FIG. 4). Be joined.
  • the outer surface sheet 65 has an extending portion extending in the lateral direction X from both side edges 11a and 11b of the liquid absorbing structure 11, and the side flap 43 is formed by a side portion 67 formed by folding the extending portion. Is formed.
  • the side flap 43 includes, on the side portion 67, a plurality of, for example, a thread-like, string-like, or strand-like leg elastic body 45 covered with the outer sheet 65, and a film 60 covered with the outer sheet 65.
  • a graphic display unit 61 is formed on the film 60.
  • the graphic display unit 61 straddles the inner edge 42 a of the leg elastic region 42 or is formed inside the inner edge 42 a, and the second display unit 63 is formed outside the graphic display unit 61 in the lateral direction X.
  • the film 60 may extend from one side flap 43 to the other side flap 43, and the film 60 in this case is disposed between the outer surface sheet 65 and the liquid absorbing structure 11.
  • the graphic display unit 61 may be formed by printing on the outer sheet 65 instead of the film 60.
  • the film 60 can be omitted.
  • the inner edge 42a of the leg elastic region 42 is prevented from being bent toward the inner side of the diaper 10 in the front and rear waist regions 14 and 15 by the joining region 41 as in the first embodiment. can do. Further, since the graphic display unit 61 and the second display unit 63 are formed, the bent side flap 43 can be easily found.
  • the rear waist panel 19 is formed in a substantially trapezoidal shape and has a buttock cover portion 35d extending to the crotch region 16 side.
  • a plurality of, for example, thread-like, string-like, or strand-like collar elastic bodies 32d are attached to the collar cover section 35d in a stretched state in the lateral direction X.
  • the leg opening edge portions 18e and 19e forming a part of the peripheral edge portion of the leg opening 23 can be visually identified along the lower end edges 18a and 19a.
  • the graphic display unit 61 is preferably joined to the buttock cover portion 35 at a portion overlapping the buttock elastic body 32d when viewed in plan.
  • the side flap 43 When the side flap 43 is bent inside the diaper 10, the side flap 43 can be seen through the buttock cover portion 35 and found.
  • the “front and rear waist regions 14 and 15” mean portions between the seams 20 in the front and rear waist panels 18 and 19, and are portions located below the seams 20, that is, seams. It does not include a flange cover portion 35d that is located between 20 and the lower edge 19a and is given elasticity by the flange elastic body 32d.
  • the shape of the collar part cover part 35 can be made into a rectangle instead of the example of illustration.
  • the drooping part similar to the buttock cover part 35 can be provided on both sides of the front waist panel 18.
  • the hanging portion is also preferably joined to a portion of the side flap 43 where the graphic display unit 61 exists.
  • each component member constituting the pants-type disposable diaper 10 includes various known materials that are commonly used in this type of field, in addition to the materials described herein. The material can be used without limitation.
  • the terms “first”, “second”, and “third” used in the present specification and claims are merely used to distinguish similar elements, positions, and the like.
  • a front waist panel having a longitudinal direction and a lateral direction perpendicular thereto, a skin facing surface and a non-skin facing surface located on the opposite side thereof, and defining a front waist region; and a rear waist panel defining a rear waist region
  • a crotch panel defining a crotch region located between the front and rear waist regions, the crotch panel comprising an absorber extending from the crotch region to the front and rear waist region, and both lateral sides of the absorber.
  • a pair of side flaps extending from each other, both side portions of the front and rear waist panels are joined to each other, and both end portions of the crotch panel are joined to the front and rear waist panels, respectively.
  • the side flap forms at least a part of the leg opening And a leg elastic area along the leg opening, and a display portion displaying a graphic extending from the front waist area to the rear waist area, the leg elastic area having an inner edge opposite to the lateral direction.
  • An outer edge, and the display portion is formed across the inner edge of the leg elastic region, and in at least one waist region of the front and rear waist regions, the side flaps are arranged with side edges of the absorber.
  • the leg elastic region is joined to the waist panel that defines the one waist region between the inner edge of the leg elastic region.
  • the wearing article according to the present invention disclosed in the paragraph 0044 can include at least the following embodiments alone or in combination.
  • the front and rear waist panels form a part of the peripheral edge of the leg opening, and the front and rear waist panels are formed with display portions that can be distinguished from the graphic display portion along the peripheral edge. Yes.
  • a plurality of waist elastic bodies extending in the lateral direction are attached to the at least one front waist panel in an extended state, and a plurality of legs extending along the periphery of the leg opening are attached to the side flap.
  • An elastic body is attached in an extended state, and the leg elastic body forming the inner edge of the leg elastic region among the plurality of leg elastic bodies, and at least one waist elastic body is the at least one of the leg elastic bodies.
  • the waist panel and the side flap overlap each other and are in a state of crossing each other.
  • the waist elastic body in the at least one waist panel the waist elastic body extending from both side portions of the waist panel to both side edges of the absorber crosses the absorber. There is no embodiment, or even if the absorber crosses the absorber, the portion that crosses the absorber is relaxed, and the absorber has a waist in any of the above embodiments The gathers due to the contraction of the elastic body are not formed.
  • the graphic display unit has an outer edge parallel to the inner edge of the leg elastic region, and the display portion is formed outside the outer edge in the lateral direction.
  • the elastic force of the waist elastic body intersecting the leg elastic body forming the inner edge is larger than the elastic force of the leg elastic body.
  • the side flap is joined to the rear waist panel at a portion located between the lateral center and the inner edge of the leg elastic region. Is located between the upper elastic region and the lower elastic region that can be expanded and contracted in the lateral direction obtained by dividing the vertical dimension into three equal parts, and the upper elastic region and the lower elastic region, Between the intermediate elastic region that can be expanded and contracted in the lateral direction, the extension force of each of the upper elastic region and the intermediate elastic region is larger than the extension force of the lower elastic region, and the longitudinal elastic region has an extension force in the longitudinal direction. Greater than elongation.
  • the crotch panel is joined to the front and rear waist panels via joints extending in the longitudinal direction and the lateral direction.
  • the side flap in the crotch panel is formed separately from the liquid absorbing structure, and the liquid absorbing structure is formed in a state where a number of gathers extending in the lateral direction are arranged in the vertical direction.
  • the maximum dimension when the laterally outermost part of the side flap is joined in the longitudinal direction is joined, and the longitudinal dimension of the liquid absorbing structure at the part where the side flap is joined. Bigger than.

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2014/075359 2013-11-09 2014-09-25 パンツ型の着用物品 WO2015068484A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201480061223.7A CN105705125B (zh) 2013-11-09 2014-09-25 短裤型的穿着物品
KR1020167014950A KR102272443B1 (ko) 2013-11-09 2014-09-25 팬츠형의 착용 물품
AU2014345089A AU2014345089B2 (en) 2013-11-09 2014-09-25 Pant-type wearing article
PH12016500591A PH12016500591A1 (en) 2013-11-09 2016-04-01 Pant-type wearing article

Applications Claiming Priority (2)

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JP2013-232629 2013-11-09
JP2013232629A JP5996511B2 (ja) 2013-11-09 2013-11-09 パンツ型の着用物品

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KR (1) KR102272443B1 (ko)
CN (1) CN105705125B (ko)
AU (1) AU2014345089B2 (ko)
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JP6808132B2 (ja) * 2016-06-09 2021-01-06 株式会社光洋 吸収性物品
WO2018160166A1 (en) * 2017-02-28 2018-09-07 Kimberly-Clark Worldwide, Inc. Process for making absorbent articles with extended leg elastics
JP6503428B2 (ja) 2017-09-27 2019-04-17 大王製紙株式会社 パンツタイプ使い捨ておむつ
JP6834930B2 (ja) * 2017-12-15 2021-02-24 王子ホールディングス株式会社 使い捨ておむつおよび使い捨ておむつの製造方法
JP6863269B2 (ja) * 2017-12-25 2021-04-21 王子ホールディングス株式会社 使い捨ておむつおよび使い捨ておむつの製造方法
JP7217203B2 (ja) * 2019-06-20 2023-02-02 ユニ・チャーム株式会社 吸収性物品
JP7309223B2 (ja) * 2020-09-04 2023-07-18 株式会社サンセイアールアンドディ 遊技機

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JP5303689B1 (ja) * 2012-03-29 2013-10-02 ユニ・チャーム株式会社 使い捨て着用物品

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JP2015092947A (ja) 2015-05-18
KR102272443B1 (ko) 2021-07-01
AU2014345089A1 (en) 2016-04-28
MY173122A (en) 2019-12-27
CN105705125B (zh) 2019-09-27
JP5996511B2 (ja) 2016-09-21
PH12016500591B1 (en) 2016-05-30
KR20160085805A (ko) 2016-07-18
AU2014345089B2 (en) 2018-08-16
CN105705125A (zh) 2016-06-22
PH12016500591A1 (en) 2016-05-30

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