WO2015052993A1 - Article à porter - Google Patents

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Publication number
WO2015052993A1
WO2015052993A1 PCT/JP2014/071499 JP2014071499W WO2015052993A1 WO 2015052993 A1 WO2015052993 A1 WO 2015052993A1 JP 2014071499 W JP2014071499 W JP 2014071499W WO 2015052993 A1 WO2015052993 A1 WO 2015052993A1
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WO
WIPO (PCT)
Prior art keywords
wearer
waist
elastic member
leg
leg elastic
Prior art date
Application number
PCT/JP2014/071499
Other languages
English (en)
Japanese (ja)
Inventor
大橋　直人
俊仁 佐藤
愛 横尾
洋行 曽我
丹下　明子
悦子 田上
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 CN201480055334.7A priority Critical patent/CN105611905B/zh
Publication of WO2015052993A1 publication Critical patent/WO2015052993A1/fr

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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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • 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
    • A61F13/49058—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by the modular concept of constructing the diaper
    • A61F13/4906—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by the modular concept of constructing the diaper the diaper having an outer chassis forming the diaper and an independent absorbent structure attached to the chassis
    • A61F13/49061—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by the modular concept of constructing the diaper the diaper having an outer chassis forming the diaper and an independent absorbent structure attached to the chassis the diaper having one or two waist members forming the diaper waist region and an independent absorbent structure attached to the one or two waist members forming the crotch region
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/534—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 absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F2013/53463—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 absorbing medium having an inhomogeneous composition through the thickness of the pad with a reinforcing structure, e.g. net

Definitions

  • the present invention is disposed between a waistline including a front waistline covering the abdomen of the wearer and a back waistline covering the buttocks of the wearer, and is disposed between the front waistline and the back waistline and placed under the wearer's crotch And a crotch.
  • a baby rack sheet having a posture holding mechanism for allowing the baby to lay in a comfortable posture has been proposed as a baby rack sheet for temporarily laying or sitting on the baby (see, for example, Patent Document 1).
  • the posture holding function is realized by, for example, a head pad that supports the head of the baby, a back pad that supports the back of the baby, and a buttock pad that supports the buttocks of the baby.
  • the baby's head can be maintained by supporting the head, back and buttocks of the baby.
  • the above-described baby rack sheet has the following problems.
  • the mother holds the baby and puts the baby on the baby rack sheet.
  • the mother holds a baby once in a state of holding it and put it on a baby rack sheet after the baby goes to sleep.
  • the present invention has been made in view of such a situation, and it is an object of the present invention to provide a wearing article that easily sustains a peaceful sleep of the baby even when the baby is separated from the mother. .
  • a wearable article (disposable diaper 10) according to the present disclosure includes a front waistline (front waistline S1) covering the abdomen of the wearer, and a waistline including a back waistline (rear waistline S2) covering the buttocks of the wearer And a crotch portion (crotch portion S3) disposed between the front waist portion and the back waist portion and disposed under the wearer's crotch, comprising the crotch portion and the waist portion.
  • the gist of the present invention is that at least one of the parts is provided with a support means (absorber 30) that expresses support of the wearer's body by exerting body pressure of the wearer on the wear article.
  • the present invention it is possible to provide a wearing article that easily sustains a peaceful sleep of the baby even when the baby is separated from the mother.
  • FIG. 2 is a cross-sectional view taken along the line AA shown in FIG. It is sectional drawing which equips a wearer with the disposable diaper shown in FIG. 1, and shows the state before a wearer's body pressure is applied. It is sectional drawing which wears
  • FIG. FIG. 6 is a cross-sectional view taken along the line BB in FIG. It is an expansion
  • FIG. 8 is a cross-sectional view taken along line CC shown in FIG. 7; It is the figure which showed typically the mounting state in the CC cross section shown in FIG. It is an expanded plan view of the disposable diaper concerning modification 3.
  • FIG. It is a perspective view of the disposable diaper concerning modification 4.
  • the wearing article of the present embodiment is a pants-type disposable diaper 10.
  • the wearing article in the present invention is not limited to the pants-type disposable diaper, and may be a tape-type disposable diaper.
  • the wearing article of the present invention is not limited to disposable diapers, and may be clothes such as underwear having no absorbent that absorbs excrement.
  • FIG. 1 is a developed plan view of the disposable diaper 10 according to the present embodiment in an extended state.
  • FIG. 2 is a cross-sectional view taken along the line AA of FIG.
  • FIGS. 3 and 4 are views showing the disposable diaper worn on the wearer in a cross section based on the AA cross section of FIG.
  • the top views of FIG. 1 etc. are figures which extended elastic members, such as a waist elastic member, to the state where wrinkles, such as a surface sheet which comprises a disposable diaper, are not formed hereafter.
  • the disposable diaper 10 has an anteroposterior direction L extending to the wearer's body front side and body rear side, a width direction W orthogonal to the anteroposterior direction L, and an outward direction directed inward to the wearer and opposite to the inward direction. And having a thickness direction.
  • the disposable diaper 10 as shown in FIG. 1, is applied to the front waist area S1 applied to the front waist area including the abdomen of the wearer and the back waist area including the buttocks of the wearer in the front-rear direction L of the disposable diaper 10. It has a waist portion S2 and a crotch portion S3 that is placed on the crotch of the wearer and located between the front waist portion S1 and the rear waist portion S2.
  • the waist portion is composed of a front waist portion S1 and a rear waist portion S2.
  • the front waist portion S1 is divided into a first front region RF1, a second front region RF2 and a third front region RF3 obtained by equally dividing the front waist portion in the front-rear direction.
  • the first front region RF1 is a region including the front-rear direction inner end of the front waist portion S1
  • the third front region RF3 is a region including the front-rear direction outer end of the front waist portion S1
  • the second front region RF2 is located between the first front region RF1 and the third front region RF3.
  • the rear waist portion S2 is divided into a first rear region RR1, a second rear region RR2, and a third rear region RR3 obtained by equally dividing the rear waist portion in the front-rear direction.
  • the first rear region RR1 is a region including the front-rear direction inner end of the rear waist portion S2, and the third rear region RR3 is a region including the front-rear direction outer end of the front waist portion S1.
  • the second rear region RR2 is located between the first rear region RR1 and the third rear region RR3.
  • the disposable diaper 10 is composed of an absorbent main body 1A and an exterior body 1B, which are joined to each other by an adhesive, heat fusion or the like.
  • the absorbent main body 1A is located between the top sheet 21 and the back sheet, the top sheet 21 located on the skin contact surface side of the wearer, the back sheet 22 located on the non-skin contact surface side of the wearer And at least an absorber 30.
  • the absorbent main body 1A is disposed across the front waist portion S1, the back waist portion S2, and the crotch portion S3.
  • the surface sheet 21 is liquid-permeable and is provided on the surface side (skin contact surface side) of the absorber 30.
  • the top sheet is made of, for example, a non-woven fabric.
  • the back surface sheet 22 is liquid impermeable, and is provided on the back surface side (non-skin contact surface side) of the absorber 30.
  • the back sheet 22 is made of, for example, a film that does not transmit liquid.
  • a back surface sheet may be comprised by the sheet
  • Absorbent body 30 has an absorptive core on which an absorptive material was laminated.
  • the absorber 30 of the present embodiment is composed of an absorbent core in which pulp and SAP are mixed, and a core wrap that wraps the absorbent core.
  • the core wrap can use, for example, a tissue.
  • the absorber 30 does not need to have a core wrap which wraps an absorptive core.
  • the absorber 30 of the present embodiment is configured so as to be compressively deformable by application of body pressure of the wearer, and functions as a support means.
  • the absorbent body 30 as a support means presses the wearer's body and supports the wearer's body by the restoring force when the support means is compressed and deformed.
  • the absorber 30 has a convex portion 31 protruding toward the skin contact surface side at an outer end in the width direction of the absorber, and a concave portion 32 between the convex portions.
  • the convex portion 31 is a portion where the thickness of the absorbent core is relatively thick
  • the concave portion 32 is a portion where the thickness of the absorbent core is relatively thin.
  • the convex portion 31 and the concave portion 32 are formed over the entire area of the absorber 30 in the front-rear direction.
  • the convex portion 31 is provided so as to hit the bulge of the buttocks of the wearer when the disposable diaper is worn.
  • the convex portion 31 is configured to be compressed and deformed in a state in which the wearer's body pressure is applied.
  • the recessed part is formed between convex parts, but this structure It is not limited to.
  • the absorbent body may have no convex portion or concave portion, and the surface on the skin contact surface side may be a smooth surface.
  • the density of the absorbent material of the portion where the convex portion of the absorbent body is formed is high, and the density of the portion where the concave portion of the absorbent body is formed is low.
  • a configuration that is a smooth surface can be illustrated.
  • the absorber may have a shape that is recessed in an arc shape from the widthwise outer end toward the center in the widthwise direction.
  • the convex part 31 and the recessed part 32 of an absorber should just be provided in the area
  • the exterior body 1B has a front exterior body 1BF disposed in the front waist portion S1 and a rear exterior body 1BR disposed in the rear waist portion S2.
  • the front exterior body 1BF and the rear exterior body 1BR are separated from each other in the front-rear direction.
  • front exterior body 1BF and back exterior body 1BR may be integrated.
  • Front waist edge 4 located on one width direction outer side of front exterior body 1BF is joined with rear waist edge 6 located on one width direction outer side of rear exterior body 1BR, and the other of front exterior body 1BF
  • the disposable diaper 10 is formed into a pants shape by joining the front waist portion 4 'located on the outer side in the width direction with the rear edge 6' located on the outer side in the width direction of the rear exterior body 1BR.
  • the front waist part S1 and the back waist part S2 of the pants-type disposable diaper are formed with a joint (not shown) where their edges are joined.
  • the crotch S3 is on the inner side in the front-rear direction than the joint Area of
  • the disposable diaper 1 has a waist opening (not shown) disposed around the waist of the wearer in a pant-shaped state, and a pair of the waist opening disposed around the legs of the wearer.
  • a leg opening (not shown) is formed.
  • the exterior body 1B has an exterior surface sheet 71 located on the skin contact surface side of the wearer and an exterior back sheet 72 located on the non-skin contact surface side.
  • a leg elastic member 81 disposed around the wearer's leg, a waist elastic member 82 disposed around the wearer's waist, and a fit elastic member 83 between the exterior surface sheet 71 and the exterior backsheet 72; Is provided.
  • the leg elastic member 81, the waist elastic member 82, and the fit elastic member 83 are disposed along the width direction, and can expand and contract in the width direction.
  • the front exterior body 1BF and the rear exterior body 1BR surround the waist of the wearer in a state where the front exterior body 1BF and the rear exterior body 1BR are joined, and function as a lumbar support portion for supporting the waist.
  • the lumbar support has a function to surround the entire waist of the wearer and a function to support and hold the waist of the wearer.
  • the waist supporting portion has an exterior surface sheet 71 and an exterior backsheet 72 which are disposed so as to surround the waist of the wearer, and a fit elasticity which causes the exterior surface sheet etc. to fit around the waist of the wearer by expanding and contracting in the width direction.
  • a member 83 and a waist elastic member 82 disposed around the waist opening and supporting the waist of the wearer.
  • the waist elastic members 82 are disposed in the third front region RF3 and the third rear region RR3.
  • the fit elastic member 83 is disposed in the third front region RF3 and the second front region RF2 in the front waist portion, and is disposed in the third rear region RR3 and the second rear region RR2 in the rear waist portion.
  • the leg elastic member 81 has a front leg elastic member 81F disposed in the front waist portion S1 and a rear leg elastic member 81R disposed in the rear waist portion S2.
  • the leg elastic member 81 functions as a leg support that supports the wearer's leg while pushing the wearer's leg upward.
  • the leg elastic members as the leg support portions of the present embodiment are provided in the first front region RF1 and the first rear region RR1 in the waist portion.
  • the expansion ratio of the first front region RF1 in which the front leg elastic member 81F is disposed is higher than the expansion ratio of the first rear region RR1 in which the rear leg elastic member 81R is disposed.
  • the expansion ratio in the width direction of the first rear region RR1 is 1.6 to 3.6
  • the expansion ratio in the width direction of the first front region RF1 is 1.8 to 3.3. It is eight times.
  • the leg opening 9 of the disposable diaper contracts on the front side rather than the rear side, and opens toward the front.
  • the leg opening at the front waist side shrinks more than the leg opening at the rear waist side.
  • the leg of the wearer is pulled forward by the leg elastic member.
  • the expansion ratio of the first rear area RR1 is higher than the expansion ratio of the second rear area RR2. Specifically, the expansion ratio in the width direction of the first rear region RR1 is 1.6 times to 3.6 times, and the expansion ratio in the width direction of the second rear region RR2 is 1.6 times to 3.3. It is three times.
  • the expansion and contraction rate of the first front region RF1 is higher than the expansion and contraction rate of the second front region RF2. Specifically, the expansion ratio in the width direction of the first front region RF1 is 1.8 to 3.8, and the expansion ratio in the width direction of the second front region RF2 is 1.5 to 3.3. It is doubled.
  • the contraction stress of the first front region RF1 in which the front leg elastic member 81F is disposed is lower than the contraction stress of the first rear region RR1 in which the rear leg elastic member 81R is disposed.
  • the contraction stress of the first front region RF1 is 0.2 N / 10 mm to 0.5 N / 10 mm
  • the contraction stress of the first rear region RR1 is 0.3 N / 10 mm to 1.0 N / 10 mm. It is. Since the contraction stress of the first front region RF1 is lower than the contraction stress of the first rear region RR1, the first front region RF1 is easier to expand than the first rear region RR1. Thus, the wearer can easily pull the leg closer to the front side.
  • the contraction stress of the first rear region RR1 is higher than the contraction stress of the second rear region RR2.
  • the contraction stress of the first rear region RR1 is 0.3 N / 10 mm to 1.0 N / 10 mm
  • the contraction stress of the second rear region RR2 is 0.25 N / 10 mm to 0.9 N / 10 mm It is.
  • the contraction stress of the first front region RF1 is higher than the contraction stress of the second front region RF2.
  • the contraction stress of the first front region RF1 is 0.2 N / 10 mm to 0.5 N / 10 mm
  • the contraction stress of the second front region RF2 is 0.1 to 0.5 N / 10 mm. .
  • leg support part of this Embodiment is comprised by the front leg elastic member 81F higher than the expansion ratio of the rear leg elastic member 81R
  • leg support part of this invention is not limited to the said structure.
  • the leg support may be configured to draw the leg around the wearer's back waist part toward the ventral side, for example, a configuration in which only the front leg elastic member is disposed and the rear leg elastic member is not disposed.
  • the number and area of the front leg elastic members may be larger than the number and area of the rear leg elastic members.
  • leg elastic members 81 are disposed in the entire width direction of the exterior body 1B, it is preferable that the leg elastic members in a portion overlapping with the absorber be disposed in a non-stretched state.
  • the leg elastic member in the non-stretched state is a leg elastic member disposed in a state in which the stretchability is not exhibited.
  • the second front region RF2 of the front exterior body 1BF abuts on the wearer's abdomen and functions as an abdomen abutment portion.
  • the second front region RF2 has stretchability in the width direction.
  • the second front region RF2 may be expandable at least in the width direction, and may be expandable in the front-rear direction L and the width direction W.
  • the second front region RF2 may be configured by, for example, a mesh-like sheet, may be configured by a non-woven fabric having stretchability, and a non-stretchable sheet in which an elastic member is stretched and fixed May be configured by
  • the second front region RF2 of the present embodiment is configured by an exterior surface sheet 71, an exterior back surface sheet 72, and a fit elastic member 83 disposed between the exterior surface sheet 71 and the exterior back surface sheet 72. .
  • the expansion ratio of the second front region RF2 is lower than the expansion ratio of the first front region RF1. Further, the contraction stress of the second front region RF2 is lower than the contraction stress of the first front region RF1.
  • the second rear region RR2 of the rear exterior body 1BR abuts on the buttocks of the wearer and functions as a buttock contact portion.
  • the second rear region RR2 has stretchability in the width direction.
  • the second rear region RR2 may be stretchable in at least the width direction, and may be stretchable in the front-rear direction and the width direction.
  • the second rear region RR2 may be configured by, for example, a mesh-like sheet, may be configured by a non-woven fabric having stretchability, and is configured by a non-stretchable sheet in which an elastic member is stretched and fixed. It may be done.
  • the second rear region RR2 of the present embodiment is configured of an exterior surface sheet 71, an exterior back surface sheet 72, and a fit elastic member 83 disposed between the exterior surface sheet 71 and the exterior back surface sheet 72. .
  • the expansion ratio of the second rear area RR2 is lower than the expansion ratio of the first rear area RR1.
  • the contraction stress of the second rear region RR2 is lower than the contraction stress of the first rear region RR1.
  • the contraction stress in the region where the elastic member is disposed can be measured in a cycle test using an autograph type tensile tester, for example, type AG-1KNI, manufactured by Shimadzu Corporation.
  • the distance between the left and right joints of the side part of the disposable diaper to be treated is measured in advance in a state in which no wrinkles are generated on the sample surface.
  • the measured value is taken as the maximum extension sample width A.
  • the inter-inward distance between the left and right joints is the distance in the width direction between the joint at the front waist edge 4 and the joint at the front waist edge 4 '.
  • a measurement target area is cut out from one side (front side or rear side) of the target diaper waist portion, and a sample is prepared.
  • the cut-out sample is fixed to the chuck of the tester with the left and right locking area as the chuck distance 100 mm.
  • it is stretched at a speed of 100 mm / min to an elongation of 85% (85% of the distance A), and then returned at a speed of 100 mm / min to a length of 70% (of a distance A 70%).
  • the stress (N) at this time is taken as a measurement result value, and converted to a stress value per 10 mm width (N / 10 mm) based on the sample width to obtain a value of shrinkage stress.
  • the expansion ratio means the degree of expansion and contraction in the contraction direction (in the present embodiment, in the width direction W), and is defined as follows.
  • Stretching ratio (length in the contraction direction of the measurement area in the maximum extension state) / (length in the contraction direction of the measurement area in the natural state)
  • such an expansion ratio is to be measured, for example, as follows.
  • the disposable diaper when the disposable diaper is enclosed in a package or the like, the disposable diaper is taken out of the package and left for 60 minutes in an atmosphere of 20 ° C. ⁇ 2 ° C., relative humidity 60% ⁇ 5% RH. Measure the length of the measurement area (for example, the first front area RF1) along the contraction direction. This length is taken as "the length of the measurement area in the natural state (for example, the first front area RF1)."
  • the length in the contraction direction of the desired area in such a state ie, the natural state
  • the length in the contraction direction of the measurement area when stretched from the natural state to a state where the wrinkles by the elastic member can not be visually confirmed.
  • the This length is referred to as “the length of the measurement area in the stretched state (for example, the first front area RF1)”.
  • the expansion ratio is measured by calculating the above equation using the measurement results.
  • FIG. 3 and 4 show the mounting state in a cross section based on the cross section AA shown in FIG. FIG.3 and FIG.4 is a cross section of the part which hits a wearer's buttocks.
  • FIG. 3 is a state before the physical pressure of the wearer is applied
  • FIG. 4 is a state where the physical pressure of the wearer is applied.
  • the absorbent core Before the body pressure of the wearer shown in FIG. 3 is applied, the absorbent core is not compressed and deformed, and is arranged along the buttocks shape of the wearer.
  • the convex part located in the width direction both ends of an absorptive core is contact
  • the body pressure of the wearer is applied to the disposable diaper, and the state shown in FIG. 4 is obtained.
  • the convex portion 31 of the absorber 30 is pressed by the buttocks of the wearer and is compressed and deformed.
  • the absorber 30 compresses and deforms, the absorber presses the wearer's body by its restoring force.
  • the convex portion 31 of the absorber 30 abuts against the most expanded portion of the buttocks and the side of the buttocks, and supports the buttocks.
  • the waist of the wearer In the state where the disposable diaper is worn, the waist of the wearer is surrounded by the front exterior body 1BF and the rear exterior body 1BR of the disposable diaper. Further, by contraction of the waist elastic member 82, the front exterior body 1BF and the back exterior body 1BR are in close contact with the waist of the wearer, and the waist of the wearer is supported.
  • the first front area expansion ratio at which the front leg elastic member 81F is disposed is higher than the expansion ratio at the first rear area in which the rear leg elastic member 81R is disposed, the back side is around the wearer's leg The force to press the circumference of the leg to the ventral side acts. Therefore, the wearer can easily take a posture in which the leg naturally approaches the ventral side.
  • the leg elastic member keeps pressing the wearer's leg portion so as to approach the ventral side. Therefore, once the wearer maintains the posture in which the leg is brought close to the ventral side, it becomes easy to maintain the posture.
  • the disposable diaper of the present embodiment is configured such that the absorber exerts body pressure of the wearer on the absorber as the support means, so that the absorber exhibits support of the wearer's body. Therefore, the support means supports the wearer's body due to the wearer being laid in a bed or the like. Even in the case where the support of the mother etc. is lost, it is possible to artificially realize the state of being wrapped in the mother.
  • the absorber 30 When the body pressure is applied to the absorber 30, the absorber is compressed and deformed, and the absorber supports the wearer's body by the restoring force of the absorber.
  • the wearer's body In order to express the support of the wearer's body by the deformation of the absorber itself which is the support means, compared with the configuration having the detection means etc. for detecting that the body pressure is applied, the wearer's body has a simple configuration. Support can be realized.
  • infants are likely to calm down and sleep in a pre-bending posture (a posture in which the leg is bent from the base and the leg is moved to the ventral side).
  • a pre-bending posture a posture in which the leg is bent from the base and the leg is moved to the ventral side.
  • the wearer's legs are supported by the mother and the wearer's legs are moved to the ventral side.
  • the wearer tries to move the wearer to a bed or the like, the mother's support is lost.
  • the leg of the wearer by pushing the leg of the wearer to the ventral side by the leg supporting portion, it becomes easy to maintain the posture of forward bending, and it becomes easy to maintain the sleeping state in which the baby is calm.
  • the disposable diaper configured as described above, even when being held by the mother or being separated from the mother, the feeling of holding can be realized, and the anxiety of the infant due to being separated from the mother It is easy to control.
  • the contraction stress of the second rear region RR2 as the buttocks abutting portion that abuts the wearer's buttocks is lower than the contraction stress of the first rear region RR1 in which the rear leg elastic member is disposed.
  • the wearer's skin stretches and contracts when the body bends forward, and the skin in the vicinity of the buttocks stretches when the body bends forward. It grows about 30%.
  • the contraction stress of the buttocks contact portion is low, it is possible to preferably follow the expansion and contraction of the skin. Therefore, the wearer can easily take a pre-folded posture in which the body front side is contracted, and it becomes easy to maintain the posture once taken in the pre-folded posture.
  • the contraction stress of the second front region RF2 that constitutes the abdomen contact portion that abuts the wearer's abdomen is lower than the expansion ratio of the contraction stress of the first front region RF1 in which the front leg elastic member is disposed.
  • the belly bulge of the wearer generally changes in accordance with the condition of eating and drinking and excretion. Since the contraction stress of the second front region RF2 in contact with the abdomen is low, the wearer's abdomen can be covered loosely without overtightening.
  • the leg elastic member contracts so as to draw the leg around the wearer's back waist part side toward the ventral side, so that the leg of the wearer can be easily drawn to the front side.
  • the baby is held by the mother, the baby is in a forward-bent posture in which the front side of the body is contracted. Therefore, by taking a posture of pre-bending in which the front side of the baby is contracted, the baby can artificially feel a state of being held by the mother, and the baby can easily feel a sense of security. Infants can easily take a pre-bending posture in which the front side of the body shrinks, and it becomes easy to sleep and sleep calmly.
  • the expansion ratio of the first front area where the front leg elastic member is arranged is higher than the expansion ratio of the first rear area where the rear leg elastic member is arranged, so the leg opening of the front waist part is the leg of the rear waist part Shrinks more than the opening. Therefore, it is easy to draw a wearer's leg to the front side.
  • FIG. 5 is a developed plan view of the disposable diaper 10A according to the modification 1 in an extended state.
  • 6 is a cross-sectional view taken along the line BB shown in FIG.
  • the disposable diaper 10A according to the first modification differs from the embodiment in the extension / contraction mode by the leg elastic member, the presence or absence of the leg side gathers, and the slit of the absorber.
  • the disposable diaper which concerns on the modification 1 differs in the expansion-contraction rate of the part which overlaps with the convex part of an absorber, and the expansion-contraction rate of the part which overlaps with the recessed part of an absorber.
  • region R2 with a relatively low expansion-contraction rate are shown.
  • the high expansion and contraction area R1 is an area in which the leg elastic member 81 having a relatively high expansion ratio is disposed.
  • the low expansion and contraction area R2 is an area in which the expansion ratio of the leg elastic member 81 is lower than that of the high expansion and contraction area R1, or an area in which the leg elastic member is not disposed.
  • the high stretchable region R1 and the low stretchable region R2 are adjacent in the width direction.
  • the absorber when the absorber absorbs body fluid, the weight of the body fluid may move the absorber in a direction away from the wearer, making it impossible to place the disposable diaper in a suitable position around the leg of the wearer.
  • the high expansion and contraction area R1 is higher than the low expansion and contraction area R2 because the expansion ratio of the high expansion and contraction area R1 located in the vicinity of the leg of the wearer is higher than the expansion ratio of the low expansion and contraction area R2. Close to the body. Therefore, even when the absorber absorbs the body fluid, the absorber can be applied to the site intended by the wearer. Therefore, the wearer's body can be stably held, and the baby can easily maintain a peaceful sleep.
  • the disposable diaper of the modification 1 has the leg side gathers of a standing property.
  • the leg side gathers rise up to the wearer at the widthwise outer end of the absorber and function as a leak-proof portion that prevents the side leakage of the body fluid.
  • the leg side gathers have a side seat 41, a first leakproof elastic member 42, and a second leakproof elastic member 43.
  • the leg side gathers are arranged to cover the widthwise end portions of the absorber respectively.
  • One end in the width direction of the side sheet 41 (inward end portion in the width direction of the side sheet) is folded at the origin along the fold along the front-rear direction.
  • the first leakproof elastic member is disposed between the side sheets 41 in an extended state in the front-rear direction.
  • One end in the width direction of the side sheet 41 is joined to the surface sheet at the front waist portion S1 and the rear waist portion S2, and is not joined to the surface sheet at the crotch S3.
  • One end in the width direction of the side sheet 41 is contracted by the first leakproof elastic member 42 in the crotch region, and stands upright on the wearer side from the surface sheet.
  • the other end of the side sheet 41 in the width direction is joined to the non-skin contact surface of the back sheet 22.
  • the first leakproof elastic member 42 is disposed between the side sheets 41 in an extended state in the front-rear direction.
  • the first leakproof elastic member 42 and the second leakproof elastic member 43 are disposed in a portion overlapping the convex portion 31 of the absorber. Therefore, the convex part 31 of an absorber can be pressed against a wearer by the 1st leak-proof elastic member 42 and the 2nd leak-proof elastic member 43, and the convex part 31 of an absorber can be hit on the part which a wearer intended. Therefore, in a state where body pressure is applied, the convex portion 31 of the absorber 30 is compressed and deformed by the buttocks of the wearer, and the absorber can press the wearer's body by its restoring force.
  • a slit 35 extending in the front-rear direction is formed.
  • the absorber is easily deformed with the boundary between the convex portion 31 and the concave portion 32 as a base point. Therefore, the convex part 31 of the absorber 30 is deformed to the side of the buttocks of the wearer, and the buttocks of the wearer can be easily supported by the absorber.
  • a slit is a part in which the absorptive material which comprises an absorber is not arrange
  • it may replace with a slit and may provide the low basis weight part whose basis weight of an absorptive material is lower than surrounding basis weight, and may provide the embossed part which squeezed the absorber in the thickness direction.
  • the leg side gathers stand upright on the wearer side in the crotch, but do not stand upright on the wearer's side in the back waist portion as shown in FIG.
  • the side sheet 41 is in close contact with the side of the buttocks of the wearer.
  • the absorber 30 adheres to the wearer after absorbing the body fluid
  • the body fluid once absorbed by the absorber may return to the wearer and the body fluid may adhere to the wearer's skin.
  • a hydrophobic sheet as the side sheet, it is possible to prevent the return of body fluid and prevent the body fluid from adhering to the skin of the wearer even when body pressure is applied to the absorber at the back waist part. .
  • FIG. 7 is a developed plan view of the disposable diaper 10B according to the modification 2 in an extended state.
  • FIG. 8 is a cross-sectional view taken along the line CC shown in FIG.
  • FIG. 9 is a view showing the mounting state in the cross section CC.
  • the support means of the disposable diaper 10B according to the modification 2 is worn by moving due to the body pressure receiving portion 33 receiving body pressure in a state where the wearer is laid and body pressure receiving portion 33 receiving body pressure And a support expression unit 34 that expresses support of the person's body.
  • the body pressure receiving part 33 is arrange
  • the body pressure receiving part 33 is provided in the inside of an absorber, and is comprised by the member whose rigidity is higher than the surrounding absorber.
  • the body pressure receiving portion 33 is disposed straddling the back waist portion and the crotch.
  • the widthwise inner portion of the body pressure receiving portion 33 is provided so as to abut on the bulge of the buttocks of the wearer.
  • the support expression unit 34 is configured to move to the body side of the wearer by pressing the body pressure receiving unit 33 and to abut on both sides of the waist of the wearer.
  • the support expression part 34 is a part of an absorber, and is an absorber in a region where the body pressure receiving part is disposed in the width direction and a region outside the body pressure receiving part in the width direction.
  • the body pressure of the wearer is applied to the disposable diaper, and the state shown in FIG. 9 is obtained.
  • the body pressure shown in FIG. 9 is applied, the wearer's body pressure is applied to the widthwise inner part of the body pressure receiving part, and the width direction outer part of the body pressure receiving part and the support expression part is the body pressure receiving part Move to the wearer side with the widthwise inner part as the base point.
  • the widthwise outer end of the absorber moves to the body side of the wearer and abuts on both sides of the waist of the wearer.
  • the absorber as the support and expression unit supports both sides of the waist of the wearer. Therefore, even when the support of the mother etc. is lost, it is possible to realize the state of being wrapped in the mother in a pseudo manner, to prevent the wearer's body from becoming unstable, and to keep the baby's peaceful sleep. easy.
  • FIG. 10 is a disposable diaper 10C according to the third modification.
  • the disposable diaper according to the third modification is not a pants-type disposable diaper but an open-type disposable diaper.
  • a fastening tape 90 is provided at the back waist part so as to extend outward in the width direction than the exterior body 1B.
  • the expansion ratio of the portion overlapping the absorbent main body 1A is different from the expansion ratio of the area in the width direction outside of the absorbent main body.
  • the leg elastic members 81 of the disposable diaper 10C are provided only in the region outside the absorbent main body 1A in the width direction. Therefore, the expansion ratio of the area
  • the fastening tape on the back waist portion is drawn to the front waist portion, and the fastening tape Fasten to the front waist section.
  • the width direction is larger than the absorbent main body in the back waist part by the rear leg elastic member 81R when the disposable diaper is worn.
  • the outer area adheres to the body. Therefore, the disposable diaper can support the waist area of the wearer, in particular, the side of the buttocks, and even if support from the mother is lost, it is possible to artificially achieve a state of being wrapped by the mother , It can control that the wearer's body becomes unstable and it is easy to maintain a peaceful sleep of the baby.
  • FIG. 11 is a perspective view of a disposable diaper 10D according to a fourth modification.
  • the disposable diaper which concerns on the modification 4 is a tape type disposable diaper, and it is comprised so that a part of front waist part and a part of back waist part may overlap in a mounting state.
  • Leg elastic members 81 and waist elastic members 82 are disposed at the front waist portion and the rear waist portion, respectively.
  • the front waist portion and the rear waist portion extend and contract in the width direction over the entire width direction.
  • the area where the front waistline and the rear waistline overlap is more in contact with the body than the area covered only by the front waistline and the area covered only by the rear waistline. Do. Therefore, it is possible to positively support a portion corresponding to an area where the front waist portion and the rear waist portion overlap, specifically, the side portion of the buttocks. Therefore, even when the support of the mother etc. is lost, it is possible to realize the state of being wrapped in the mother in a pseudo manner, to suppress the body of the wearer from becoming unstable, and to keep the baby's peaceful sleep. easy.
  • the abdominal-part contact part which has elasticity is provided in the front waist part of this Embodiment
  • the front waist part of this invention is not limited to the said structure.
  • a fold folded in the front-rear direction may be formed on the front waist portion.
  • the support means may be an arc-shaped elastic member disposed at the buttocks of the wearer. More specifically, the support means is deformed so that the curvature of the arc becomes larger due to the body pressure of the wearer than before the body pressure is applied, and in this deformed state the wearer's leg is pushed up to the ventral side While supporting the body of the wearer.
  • the support means of the said structure can also express support of a wearer's body by applying a body pressure.
  • the support means expresses support of the former user's body by detecting that the detection unit detects that the wearer is in a lying state, and that the detection unit detects that the wearer is in a lying state. And a supporting and expressing portion.
  • the support means of the said structure can also express support of a wearer's body by applying a body pressure.
  • a body pressure receiver as a support means is disposed in the back waist part and has a fluid that moves around by being pressed by the wearer's body pressure, and the support expression part is from the body pressure receiver
  • the support may be configured to express the wearer's body support by the inflow of the fluid.
  • the fluid can be constituted by a fluid such as powdery particles.
  • Disposable diaper 1A Absorbent main body 1B: Exterior body 1BF: Front exterior body 1BR: Rear exterior body 3: Joint portion 4: Front waist edge portion 6: Back waist edge portion 30: Absorption Body 35: Slit 41: Side sheet 42: First leakproof elastic member 43: Second leakproof elastic member 71: Exterior surface sheet 72: Exterior backsheet 81: Leg elastic member 81F: Front leg elastic member 81R: Rear leg elastic Member 82: waist elastic member 83: fit elastic member 90: fastening tape L: front and back direction S1: front waist portion S2: rear waist portion S3: crotch portion W: width direction

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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)

Abstract

La présente invention concerne une couche jetable (10) qui comprend : une partie de taille qui comprend une partie de taille avant (S1) qui couvre l'estomac du porteur et une partie de taille arrière (S2) qui couvre les fesses du porteur ; et une partie d'entrejambe (S3) qui est agencée entre la partie de taille avant et la partie de taille arrière et est agencée sur l'entrejambe du porteur. La partie d'entrejambe et/ou la partie de taille est pourvue d'un corps absorbant (30) en tant que moyen de support qui soutient le corps du porteur lorsque la pression du corps du porteur agit sur la couche jetable.
PCT/JP2014/071499 2013-10-07 2014-08-15 Article à porter WO2015052993A1 (fr)

Priority Applications (1)

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CN201480055334.7A CN105611905B (zh) 2013-10-07 2014-08-15 穿着物品

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JP2013210418A JP6159214B2 (ja) 2013-10-07 2013-10-07 着用物品
JP2013-210418 2013-10-07

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Publication number Priority date Publication date Assignee Title
JP6701555B2 (ja) * 2016-01-25 2020-05-27 日本製紙クレシア株式会社 吸収性物品
JP6659776B2 (ja) * 2018-07-23 2020-03-04 ユニ・チャーム株式会社 着用物品
JP7178845B2 (ja) * 2018-09-21 2022-11-28 大王製紙株式会社 吸収性物品
JP7218336B2 (ja) * 2020-09-14 2023-02-06 大王製紙株式会社 吸収性物品の性能評価装置
CN112022508B (zh) * 2020-09-29 2022-03-22 泉州市嘉佰利卫生材料有限公司 一种舒适性防勒拉拉裤的制备方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001061892A (ja) * 1999-08-30 2001-03-13 Crecia Corp 気室を備えたバックシートを用いた吸収性製品
WO2004054482A1 (fr) * 2002-12-13 2004-07-01 Hakujuji Kabushiki Kaisha Article absorbant jetable
JP2009226185A (ja) * 2008-03-24 2009-10-08 Jun Okada 経時的に加圧調整可能な空気袋を備えたおむつ・おむつカバー
JP2011224134A (ja) * 2010-04-19 2011-11-10 Unicharm Corp 吸収性物品

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001061892A (ja) * 1999-08-30 2001-03-13 Crecia Corp 気室を備えたバックシートを用いた吸収性製品
WO2004054482A1 (fr) * 2002-12-13 2004-07-01 Hakujuji Kabushiki Kaisha Article absorbant jetable
JP2009226185A (ja) * 2008-03-24 2009-10-08 Jun Okada 経時的に加圧調整可能な空気袋を備えたおむつ・おむつカバー
JP2011224134A (ja) * 2010-04-19 2011-11-10 Unicharm Corp 吸収性物品

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CN105611905A (zh) 2016-05-25
JP6159214B2 (ja) 2017-07-05
JP2015073625A (ja) 2015-04-20

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