WO2020115916A1 - Couche jetable - Google Patents

Couche jetable Download PDF

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Publication number
WO2020115916A1
WO2020115916A1 PCT/JP2018/045194 JP2018045194W WO2020115916A1 WO 2020115916 A1 WO2020115916 A1 WO 2020115916A1 JP 2018045194 W JP2018045194 W JP 2018045194W WO 2020115916 A1 WO2020115916 A1 WO 2020115916A1
Authority
WO
WIPO (PCT)
Prior art keywords
design
disposable diaper
skin
main body
facing surface
Prior art date
Application number
PCT/JP2018/045194
Other languages
English (en)
Japanese (ja)
Inventor
尊司 松井
山中　康弘
坂口　智
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 PCT/JP2018/045194 priority Critical patent/WO2020115916A1/fr
Priority to CN201911241427.XA priority patent/CN111281670B/zh
Priority to CN201922168854.1U priority patent/CN211633927U/zh
Publication of WO2020115916A1 publication Critical patent/WO2020115916A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • 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
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49466—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the waist region
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—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
    • A61F13/495—Absorbent articles specially adapted to be worn around the waist, e.g. diapers with faecal cavity
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
    • A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
    • A61F2013/4944—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier having multiple barriers
    • 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
    • A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
    • A61F2013/4948—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being elastic

Definitions

  • the present invention relates to a disposable diaper.
  • a disposable diaper having a waist band arranged in the back waist region is known (for example, refer to Patent Document 1).
  • the waist band has a joint portion joined to the main body portion formed of a member arranged on the non-skin facing surface side of the waist band, and a non-joint portion not joined to the main body portion. There is.
  • the waist band can block the movement of the excrement toward the waist opening side, and the excrement can be prevented from leaking from the waist opening.
  • General disposable diapers that do not have a waistband are more widely known than disposable diapers that have a waistband. Therefore, the wearer sometimes causes the wearer to wear the disposable diaper without recognizing the waistband, as in a general disposable diaper. Since the waistband is bonded to the main body part that is arranged on the non-skin facing surface side of the waistband, at least a part of the waistband is in the thickness direction with the main body part on the skin facing surface side of the main body part. overlapping. Therefore, when the disposable diaper is worn, when the disposable diaper is visually recognized from the non-skin facing surface side of the wearer's back side, the waist band is easily integrated with the main body portion and is difficult to recognize. .. Therefore, even though the wearer wears the disposable diaper having a waistband, the wearer feels anxiety about leakage from the waist opening, like a general disposable diaper, while still having the waistband. May continue to use.
  • a wearer wearing a disposable diaper may take a forward bending posture where the line on the back side of the body becomes C-shaped. In this posture, the wearer's skin is separated from the waist opening on the back side, and thus the wearer is likely to feel anxiety about leakage from the waist opening.
  • the disposable diaper which concerns on one aspect has the front-back direction and width direction which mutually orthogonally cross, a thickness direction, a front waistline region and a back waistline region, and a crotch region arrange
  • the waistband has a joint portion joined to the body portion and a non-joint portion not joined to the body portion.
  • the waistband is provided with a design that is visible from the non-skin facing side of the wearer's back when wearing the disposable diaper.
  • FIG. 1 is a schematic plan view (No. 1) of the disposable diaper according to the embodiment seen from the skin facing surface side.
  • FIG. 2 is a schematic cross-sectional view taken along the line AA shown in FIG.
  • FIG. 3 is a schematic cross-sectional view taken along the line BB shown in FIG. 1 in the expanded state.
  • FIG. 4 is a schematic cross-sectional view taken along the line BB shown in FIG. 1 in a natural state.
  • FIG. 5: is the figure which showed typically the wearing state in the cross section on the basis of FIG.
  • FIG. 6 is a diagram schematically showing a view taken in the direction of arrow V in FIG.
  • FIG. 7 is a figure for demonstrating the disposable diaper 10 which concerns on the example 1 of a change.
  • FIG. 8 is a schematic cross-sectional view of the disposable diaper 10 according to the modified examples 2 to 4.
  • the disposable diaper which concerns on one aspect has the front-back direction and width direction which mutually orthogonally cross, a thickness direction, a front waistline region and a back waistline region, and a crotch region arrange
  • the waistband has a joint portion joined to the body portion and a non-joint portion not joined to the body portion.
  • the waistband is provided with a design that is visible from the non-skin facing side of the wearer's back when wearing the disposable diaper.
  • the wearer visually recognizes the wearer wearing the disposable diaper from the non-skin facing surface side of the wearer's back side, it becomes easy to pay attention to the design provided on the waistband. Therefore, the visibility of the waistband can be emphasized by the design.
  • the wearer's skin (back) is separated from the waist opening (main body) on the back side, so that the design of the waist band can be more visually recognized. Therefore, the visibility of the waist band can be improved in a scene where it is easy to feel anxiety about leakage from the waist opening. Since the wearer can recognize the waistband by visually recognizing the waistband, it is possible to reduce the anxiety about leakage of excrement from the waist opening and give the wearer a sense of security for the leakage anxiety.
  • the main body is located closer to the non-skin facing side than the waistband. Therefore, when the disposable diaper is worn, the waistband is arranged between the wearer's skin (back) and the main body, so that the wearer may see the waistband as an inner-wearing diaper. .. In this case, the wearer appears to the wearer to wear two disposable diapers. As a result, anxiety about leakage of excrement from the waist opening is reduced, so that the wearer can be given a sense of security regarding leakage anxiety.
  • a space that opens toward the crotch region side may be formed.
  • the waist band may be arranged at least on the skin-facing surface side of the space. Accordingly, the space opening toward the crotch region side functions as a space for accommodating the excrement moving to the waist opening side, and the excrement can be prevented from leaking from the waist opening.
  • the non-bonded portion may be folded by a band fold extending in the width direction.
  • the non-bonded portion may include a skin contact portion having a skin contact surface that contacts the wearer's skin, and an upright portion that stands upright with respect to the main body portion.
  • the upright portion may include an elastic member that expands and contracts in the width direction. With this, the elastic member improves the uprightness of the upright portion, and thus the waistband is more easily separated from the main body portion.
  • the design provided on the waistband is less likely to be blocked by the body, further improving the visibility of the waistband.
  • the disposable diaper includes a first portion extending toward a rear side from a predetermined position on the front side of the rear end edge of the main body portion in the non-joined portion, and the non-bonded portion on the first portion.
  • a space that opens rearward may be formed between the first portion and the second portion.
  • the design may be provided on at least the first part. Since a space opening toward the rear side is formed between the first portion and the second portion, the first portion moves from the second portion to the skin facing surface side T1 when the wearer bends forward. It is possible to leave.
  • the rear end edge of the waistband may overlap the main body portion in the rear waistline region in the thickness direction.
  • the waistband is It is possible to reduce the portion exposed from the rear edge of the portion to the outside in the front-rear direction. Accordingly, it is possible to suppress the force that directly acts on the waist band during the transportation of the disposable diaper, and it is possible to protect the waist band before using the disposable diaper.
  • the waistband overlaps with the main body in many areas, it is difficult to see the waistband in a disposable diaper before wearing it and when wearing it with the back stretched.
  • the wearer can easily see the design provided in the first portion from the non-skin facing surface side of the wearer's back side when wearing the disposable diaper. Therefore, by improving the visibility of the waistband in a forward bending scene where the wearer is likely to feel anxiety about leakage of excrement, the waistband is protected before use, while giving the wearer a sense of worry about leakage anxiety. be able to.
  • the design includes a first design provided on the first portion and a second design provided on the second portion and of a different type from the first design. You may have. Since the first design and the second design are of different types, the first part provided with the first design is more likely to look like a diaper for indoor shoes, and the first part faces the non-skin facing surface side to the second design. The second portion provided with is likely to look like a disposable diaper actually worn by the wearer. Therefore, it is easy for the wearer to look like they are wearing two disposable diapers, and the anxiety about leakage of excrement from the waist opening is reduced. You can
  • the non-bonding portion may have a band stretchable region that stretches in the width direction by an elastic member that stretches in the width direction.
  • the design may be provided in the band stretch region. Since the band contracting portion is provided with the design, the wearer can easily pay attention to the design and easily understand the band expansion/contraction region in which the design is provided.
  • the band elastic region expands and contracts according to the wearer's body. Since the design expands and contracts in accordance with this expansion and contraction, it becomes easy to visually grasp that the waist band fits the wearer. As a result, anxiety about leakage of excrement from the waist opening is reduced, so that the wearer can be given a sense of security regarding leakage anxiety.
  • the non-bonded portion may be folded by a band fold extending in the width direction.
  • the non-joint portion extends toward the rear side from the band fold, and has a skin contact portion having a skin contact surface that contacts the wearer's skin, and the non-skin facing portion than the skin contact portion.
  • a standing portion that extends from the band fold toward the rear side on the surface side and stands up with respect to the main body portion.
  • the skin contact portion may be provided with the design. Since the upright portion raises the distance between the skin contact portion and the main body portion, the wearer can easily see the design provided on the skin contact portion.
  • the design may be provided on the non-skin facing surface side of the skin contact portion.
  • the non-skin-facing surface side that is, the back side of the skin-contacting portion when wearing the disposable diaper.
  • the wearer can easily see the design clearly. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband provided with the design.
  • the non-joint portion is folded by the band fold extending in the width direction, the non-joint portion extends from the band fold toward the front side, and to the wearer's skin.
  • a skin contact portion having a skin contact surface that abuts, and an upright position that extends from the band fold toward the front side on the non-skin facing surface side with respect to the skin contact portion and that stands upright with respect to the main body portion. May have parts.
  • the space may be formed by being sandwiched between the skin contact portion and the upright portion.
  • the upright portion may be provided with the design.
  • the standing portion extending on the non-skin surface side of the skin contact portion is located on the non-skin facing surface side of the space opening to the crotch region side. Therefore, due to the design provided on the upright portion, the excrement contained in the space becomes inconspicuous, and it becomes easier for the wearer to feel more secure about the fear of leakage of excrement from the waist opening.
  • the design may be provided on the non-skin facing surface side of the standing portion.
  • the design is applied to the non-skin-facing surface side (that is, the back side) of the standing portion when wearing the disposable diaper. Since it is provided, the wearer can easily see the design clearly. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband provided with the design.
  • the main body portion has a main body overlapping portion that overlaps the waist band in the thickness direction in the rear waistline region, and from the rear end edge of the main body portion to the front end edge of the main body overlapping portion.
  • a body design that is visible from the non-skin facing surface side of the wearer's back side when the disposable diaper is worn is provided, and the waist band
  • the maximum color difference between the design and white may be greater than the maximum color difference between the body design and white. Since the disposable diaper is generally white, it is easy for the wearer to pay attention to a design having a large maximum color difference from white, and to easily grasp the waistband provided with the design.
  • the design is composed of a plurality of drawings that are separated from each other, and the main body portion has a main body overlapping portion that overlaps the waist band in the thickness direction in the rear waistline region.
  • the non-skin facing surface side of the main body region from the rear end edge of the main body portion to the front end edge of the main body overlapping portion is the non-skin facing surface side of the wearer's back side when the disposable diaper is worn.
  • the waistband design in which the average distance between the two figures is short, is more compact than the main body design, so that the wearer can easily notice the design and easily grasp the waistband in which the design is provided. ..
  • the main body portion may have a main body overlapping portion that overlaps the waist band in the thickness direction in the rear waistline region.
  • a body design that is visible may be provided on the non-skin facing surface side of the main body region from the rear end edge of the main body portion to the front end edge of the main body overlapping portion, from the non-skin facing surface side of the wearer's back side when the disposable diaper is worn.
  • a body design that is visible may be provided.
  • the total area of the waistband design may be greater than the total area of the body design. Larger areas are easier to focus on than smaller areas, so it is easier for the wearer to focus on the design of a waistband with a larger total area, and it is easier to grasp which waistband has that design. Become.
  • the main body portion has a main body overlapping portion that overlaps the waist band in the thickness direction in the rear waistline region, and from the rear end edge of the main body portion to the front end edge of the main body overlapping portion.
  • the design may not be provided on the non-skin-facing surface side of the main body region. Since no design is provided even when visually observing the non-skin facing surface side of the body region, the wearer can easily notice the design provided on the waistband and grasp the waistband provided with the design. Easier to do.
  • the non-bonding portion may include a sheet member that expands and contracts in the width direction, and the design may be provided on the non-skin facing surface side of the sheet member. Since the design is provided on the non-skin facing surface side of the sheet member, the wearer can easily see the design clearly as compared to the case where the design is provided on the skin facing surface side of the sheet member. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband provided with the design.
  • the non-bonded portion has an elastic member that expands and contracts in the width direction, and the non-bonded portion is a nonwoven fabric layer provided with the design or a film layer provided with the design.
  • the non-woven fabric layer provided with the design or the film layer provided with the design is overlapped with the elastic member in the thickness direction, and more than the elastic member It may be arranged on the non-skin facing surface side. Since the non-woven fabric layer provided with the design or the film layer provided with the design is arranged on the non-skin facing surface side of the elastic member, the wearer can see the design without being blocked by the elastic member. It is possible to see the design clearly and easily. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband provided with the design.
  • FIG. 1 is a schematic plan view of the disposable diaper 10 according to the embodiment viewed from the skin facing surface side.
  • FIG. 2 is a schematic cross-sectional view taken along the line AA of the disposable diaper shown in FIG.
  • the respective members are shown separated in the thickness direction T for convenience of description, but they are in contact with each other in the thickness direction T in an actual product.
  • 1 and 2 show the disposable diaper in an extended state.
  • the stretched state in the present invention is a state in which the disposable diaper 10 is stretched to a state in which wrinkles are not formed.
  • the natural state in the present invention means, in the case of the disposable diaper 10 housed in the package, the disposable diaper 10 is taken out from the package, and the atmosphere is kept at 20° C. ⁇ 2° C. and a relative humidity of 60% ⁇ 5% RH. It is in a state of being left for 24 hours.
  • FIG. 3 is a schematic cross-sectional view taken along the line BB shown in FIG. 1 in the expanded state.
  • FIG. 4 is a schematic cross-sectional view taken along the line BB shown in FIG. 1 in a natural state.
  • FIG. 5 is a figure which shows the wearing state on the basis of the cross section shown in FIG. BL shown in FIG. 5 has shown the line of a wearer's body.
  • FIG. 3 is a schematic cross-sectional view taken along the line BB shown in FIG. 1 in the expanded state.
  • FIG. 4 is a schematic cross-sectional view taken along the line BB shown in FIG. 1 in a natural state.
  • FIG. 5 is a figure which shows the wearing
  • FIG. 6 is a diagram schematically showing a view taken in the direction of arrow V in FIG. Specifically, FIG. 6 is a schematic diagram of the disposable diaper 10 viewed from the non-skin facing surface side T2 on the back side of the wearer.
  • FIG. 6A shows a state in which the main body overlapping portion and the waist band are not folded back to the non-skin facing surface side (see FIG. 5 ), and
  • FIG. 6B shows the main body overlapping portion and the waist band are folded back to the non-skin facing surface side. It is in a state of being.
  • the disposable diaper 10 has a front-back direction L and a width direction W orthogonal to each other.
  • the front-back direction L is defined by the direction extending to the front side of the body and the back side of the body.
  • the front-rear direction L is a direction extending in the front-rear direction in the deployed disposable diaper 10.
  • the disposable diaper 10 has a thickness direction T orthogonal to both the front-rear direction L and the width direction W.
  • the thickness direction T extends to a skin facing surface side T1 facing the wearer side and a non-skin facing surface side T2 opposite to the skin facing surface side.
  • the disposable diaper 10 has a front waistline region S1, a back waistline region S2, and a crotch region S3.
  • the front waistline region S1 is a region facing the front waistline (abdomen) of the wearer.
  • the back waistline region S2 is a region facing the back waistline (back part) of the wearer, and includes a region on which the body (buttock) is placed when worn.
  • the crotch region S3 is a region which is located at the crotch of the wearer and is arranged between the front waistline region S1 and the rear waistline region S2. Therefore, the crotch region S3 is arranged between the two waist regions including the front waist region S1 and the back waist region S2.
  • the crotch region S3 is a region in which leg openings 65 are arranged around the legs of the wearer.
  • the leg openings 65 are portions that are recessed inward in the width direction from the outer edges of the disposable diaper 10.
  • the disposable diaper 10 includes a main body 11 and a waist band 80 described later.
  • the main body portion 11 is composed of a member arranged on the non-skin facing surface side T2 with respect to the waist band 80. Therefore, the main body 11 is composed of the members constituting the disposable diaper 10 excluding the waist band 80.
  • the main body 11 includes an absorption core 31 described later.
  • the main body 11 includes a front edge 11F, which is an outer edge located outside (front side) in the front-rear direction L in the front waistline region S1, and an outer end located outside (rear side) in the front-rear direction L in the rear waistline region S2. And a rear edge 11R which is an edge.
  • the disposable diaper 10 includes an absorbent core 31 containing an absorbent material.
  • the absorbent core 31 comprises an absorbent material such as ground pulp or super absorbent polymer (SAP), or a mixture thereof.
  • SAP super absorbent polymer
  • the absorbent core 31 may be covered with a core wrap (not shown).
  • the absorbent core 31 and the core wrap may form an absorbent body.
  • the core wrap is made of a tissue or SMS non-woven fabric and may be arranged on the skin facing surface side T1 of the absorbent core 31 and the non-skin facing surface side T2 of the absorbent core 31.
  • the disposable diaper 10 has a skin-side sheet 20 located on the skin-facing surface side T1 with respect to the absorbent core 31.
  • the skin-side sheet 20 covers the absorbent core 31 and is arranged over the entire disposable diaper 10.
  • the skin side sheet 20 of the present embodiment includes a top sheet 21 and a pair of side sheets 22.
  • the skin surface side sheet 20 is a sheet positioned on the skin facing surface side T1 with respect to the core wrap.
  • the topsheet 21 may be disposed across the center of the absorbent core 31 in the width direction W.
  • the pair of side sheets 22 may be arranged so as to cover both outer side portions of the top sheet 21.
  • the topsheet 21 and the sidesheets 22 may be made of a liquid-permeable sheet such as a nonwoven fabric or a perforated plastic film.
  • the inside of the side seat 22 may be folded back and overlapped.
  • a leak-proof elastic member 61 extending in the front-rear direction L may be provided between the overlapping side seats 22.
  • the leak-proof elastic member 61 expands and contracts in the front-rear direction L.
  • the leak-proof elastic member 61 may be made of rubber thread that expands and contracts in the front-rear direction L.
  • the side sheet 22 stands up on the skin-facing surface side T1 due to the contraction of the leak-proof elastic member 61.
  • the pair of side sheets 22 constitutes a leak preventive gather 60.
  • the leak-proof gather 60 has a contracting portion 63 that stands up due to the contraction of the leak-proof elastic member 61.
  • the leak preventive gather 60 has a leak preventive base end edge 64 that serves as a fulcrum of the contraction portion 63.
  • the leakproof base edge 64 has a first leakproof base edge 641 and a second leakproof base edge 642.
  • the first leak-proof base end edge 641 serves as an upright fulcrum of the contracted portion 63 outside the contracted portion 63 in the width direction W.
  • the first leak-proof base edge 641 is an inner edge of a region where the side sheet 22 and the surface sheet 21 are joined to each other outside the contracting portion 63 in the width direction.
  • the second leak-proof base end edge 642 serves as an upright fulcrum of the contracted portion 63 on both outer sides in the front-rear direction L with respect to the contracted portion 63.
  • the second leak-proof base edge 642 is an inner edge of a region where the side sheet 22 and the top sheet 21 are joined to each other on both outer sides in the front-rear direction L with respect to the contracting portion 63.
  • the contracting portion 63 is a portion in which the side sheet 22 is not joined to the topsheet 21 and can be contracted by the leakproof elastic member 61, and does not include a portion in which the nonextending leakproof elastic member 61 is arranged.
  • the range of the contracting portion 63 in the front-rear direction is shown in FIG.
  • the outer side portion in the present invention is a portion occupying a certain range in the width direction W including the outer side edge in the width direction W, and the outer side edge is the outer side edge in the width direction W.
  • the inner portion is a portion that occupies a certain range in the width direction W, including the inner edge in the width direction W, and the inner edge is the inner edge in the width direction W.
  • the disposable diaper 10 has a non-skin surface side sheet 25 located on the non-skin facing surface side T2 with respect to the absorbent core 31.
  • the non-skin side sheet 25 covers the absorbent core 31 and is arranged over the entire disposable diaper 10.
  • the non-skin side sheet 25 of this embodiment includes a back sheet 23 and an exterior sheet 24.
  • the non-skin surface side sheet 25 is a sheet located closer to the non-skin facing surface side T2 than the core wrap.
  • the back sheet 23 is a liquid impermeable sheet, and a breathable resin film is bonded to a nonwoven fabric such as a polyethylene sheet, a polypropylene-based laminated nonwoven fabric, a breathable resin film, spunbond, or spunlace.
  • the exterior sheet 24 may be provided on the non-skin facing surface side T2 of the back sheet 23.
  • the exterior sheet 24 may be made of a liquid-permeable nonwoven fabric.
  • the length of the back sheet 23 in the width direction W is shorter than the length of the exterior sheet 24 in the width direction W, and the length of the back sheet 23 in the front-rear direction L is shorter than the length of the exterior sheet 24 in the front-rear direction L. Good.
  • the fastening tape 90 is provided in the rear waistline area S2.
  • the fastening tape 90 has a base portion 92 and a locking portion 93. At least a part of the base portion 92 is joined between the skin-side sheet 20 and the non-skin-side sheet 25, and extends from the skin-side sheet 20 and the non-skin-side sheet 25 to the outside in the width direction W. ..
  • the locking portion 93 is provided on the base portion 92 and is detachably fixed to the target portion 95 (see FIG. 1).
  • the fastening tape 90 extends along the width direction W in the back waistline region S2 and is fixed to the target portion 95 to hold the disposable diaper 10 on the wearer's body.
  • the target portions 95 are arranged in the front waistline region S1 and are configured such that the fastening tapes 90 are respectively attached thereto.
  • the disposable diaper 10 has a waist band 80 arranged in at least the rear waistline area S2 of the two waistline areas (front waistline area S1 and rear waistline area S2).
  • the waist band 80 is arranged in the back waistline region S2, and is not arranged in the front waistline region S1.
  • the waist band 80 is arranged on the skin-facing surface side T1 of the main body 11.
  • the waist band 80 is arranged on the skin facing surface side T1 of the skin surface side sheet 20.
  • the waist band 80 floats up from the skin-side sheet 20 when worn. As a result, a space (housing space AS in FIGS. 4 and 5) that opens toward the crotch region S3 side is formed.
  • a waist band 80 is arranged at least on the skin-facing surface side T1 of the accommodation space AS.
  • the waist band 80 is arranged on the skin-facing surface side T1 of the accommodation space AS, and the main body 11 (skin-side sheet 20) is arranged on the non-skin-facing surface side T2 of the accommodation space AS. ..
  • the accommodation space AS functions as a pocket for accommodating the excrement moving to the waist opening 66 side. This can prevent excrement from leaking from the waist opening 66.
  • the configuration of the waist band 80 will be described in detail later.
  • the waist opening 66 is composed of a rear end edge 10R and a front end edge 10F of the disposable diaper 10 and is a portion surrounding the waist in a state where the fastening tape 90 is fixed to the target portion 95.
  • a leg elastic member 42 extending in the front-rear direction L may be provided between the side sheet 22 and the back sheet 23 or between the side sheet 22 and the exterior sheet 24.
  • the leg elastic members 42 may be configured by a belt-shaped elastic sheet that expands and contracts in the front-rear direction L. Due to the contraction of the leg elastic members 42, the disposable diaper 10 fits around the legs when worn.
  • the leg elastic members 42 are arranged outside the absorbent core 31 in the width direction W along the leg openings 65 at least in the crotch region S3.
  • a waist elastic member 45 extending in the width direction W may be provided between the side sheet 22 and the back sheet 23 and between the side sheet 22 and the exterior sheet 24.
  • the waist elastic member 45 may be configured by a substantially rectangular elastic sheet that expands and contracts in the width direction W.
  • the waist elastic member 45 is joined between the skin-side sheet 20 and the non-skin-side sheet 25. More specifically, as shown in FIG. 2, the waist elastic member 45 is stretched in the width direction W between the absorbent core 31 and the non-skin side sheet 25, or between the skin side sheet 20 and the non-skin side sheet 20. It is joined between the face side sheets 25. Due to the contraction of the waist elastic member 45, the disposable diaper 10 fits around the waist when worn.
  • the waist elastic members 45 are arranged at least in the rear waistline region S2.
  • the waist elastic member 45 overlaps the absorbent core 31 in the thickness direction T. Therefore, the front end edge 45F of the waist elastic member 45 is located in front of the rear end edge of the absorbent core 31, and the rear end edge 45R of the waist elastic member 45 is located rearward of the front end edge of the absorbent core 31. Located on the side.
  • the disposable diaper 10 has a side flap 16 extending outward in the width direction W from the outer edge 31E of the absorbent core 31.
  • the side flap 16 includes a fastening tape 90.
  • the rear end edge 80R of the waist band 80 may be arranged rearward of the rear end edge 93R of the locking portion 93, or the fastening tape 90. It may be arranged on the rear side of the rear edge 90R.
  • the waistband 80 is arranged on the side of the waist opening 66, so that the visibility of the waistband 80 can be improved.
  • the rear end edge 80R of the waist band 80 may be arranged rearward of the rear end edge of the absorbent core 31. Accordingly, when the absorbent core 31 cannot completely absorb the excrement, the excrement that moves rearward of the rear end edge of the absorbent core 31 can be accommodated in the accommodation space AS.
  • the front end edge 80F of the waist band 80 may be arranged rearward of the front end edge 90F of the fastening tape 90 or rearward of the front end edge 93F of the engaging portion 93. It may be arranged.
  • the waist band 80 does not become unnecessarily long and it is possible to suppress an increase in material costs.
  • the front end edge 80F of the waist band 80 may be arranged on the front side of the rear end edge of the absorbent core 31.
  • the beginning of the storage space AS is located on the front side of the rear end edge of the absorbent core, and thus excrements moving to the rear side of the rear end edge of the absorbent core 31 can be stored in the storage space AS.
  • the rear end edge 80R of the waist band 80 may overlap the main body portion 11 in the rear waistline region S2 in the thickness direction T. Therefore, the rear end edge 80R of the waist band 80 may be arranged on the front side (inseam region S3) of the rear end edge 11R of the main body portion 11, and the rear end edge 80R of the waist band 80 and the rear end of the main body portion 11 may be arranged. The edge 11R may overlap in the thickness direction T. Thereby, the force directly acting on the waist band 80 can be suppressed during the transportation of the disposable diaper 10, and the waist band 80 can be protected before the use of the disposable diaper 10.
  • the waist band 80 may include a sheet layer 81 in which a plurality of sheets are stacked, and a band elastic member 82 joined to the sheet layer 81.
  • the sheet layer 81 of the waistband 80 of the present embodiment includes a first nonwoven fabric layer 811, a second nonwoven fabric layer 812, and a film layer 813 arranged between the first nonwoven fabric layer 811 and the second nonwoven fabric layer 812. May be included.
  • the first nonwoven fabric layer 811 and the second nonwoven fabric layer 812 are made of the same nonwoven fabric by folding back the same nonwoven fabric.
  • the first nonwoven fabric layer 811 is located closest to the skin side sheet 20 in the waist band 80.
  • the band elastic member 82 expands and contracts in the width direction W.
  • the band elastic member 82 is composed of a thread-shaped or band-shaped elastic member, and is fixed to the sheet layer 81 in a state of being stretched in the width direction W.
  • the band elastic member 82 is fixed between the first nonwoven fabric layer 811 and the liquid impermeable film layer 813.
  • a plurality of band elastic members 82 are arranged at intervals in the front-rear direction L.
  • a plurality of band elastic members 82 may be arranged in each of a skin contact portion 851 and a standing portion 852 described later.
  • the waistband 80 is configured to be stretchable in the width direction W.
  • the waist band 80 may be configured to expand and contract in the width direction by the band elastic member 82, or may be configured to expand and contract in the width direction due to the sheet layer 81 having elasticity.
  • the waist band 80 has a band stretch region BSR that stretches in the width direction W (see FIG. 3).
  • the band stretch region BSR is a region of the waist band 80 that stretches in the width direction W.
  • the waist band 80 may be arranged near the waist opening 66 in the back waistline region S2.
  • the outer edge 80E of the waist band 80 may be located on the outer side in the width direction W than the outer edge 31E of the absorbent core 31, and may be located on the inner side in the width direction W than the inner edge of the fastening tape 90.
  • the front edge 80F of the waist band 80 may be located rearward of the front edge 90F of the fastening tape 90.
  • the waistband 80 is provided with a design that is visible from the non-skin facing surface T2 side of the wearer's back side when the disposable diaper 10 is worn (see FIG. 6). Therefore, the waistband 80 has the design region DR in which the design is provided. ..
  • the wearer visually recognizes the wearer wearing the disposable diaper 10 from the non-skin facing surface side T2 of the wearer's back side, it becomes easy to pay attention to the design provided on the waist band 80. Therefore, the visibility of the waistband 80 can be emphasized by the design.
  • the wearer's skin (back) is separated from the waist opening 66 (main body 11) on the back side, so that the design of the waist band 80 can be more visually recognized. Therefore, the visibility of the waist band 80 can be improved in a scene where it is easy to feel anxiety about leakage from the waist opening 66. Since the wearer can recognize the waistband 80 by visually recognizing the waistband 80, it is possible to reduce anxiety about leakage of excrement from the waist opening 66 and give the wearer a sense of security for leakage anxiety. it can.
  • the main body 11 is arranged closer to the non-skin facing surface side T2 than the waist band 80. Therefore, when the disposable diaper 10 is worn, the waist band 80 is disposed between the wearer's skin (back) and the main body 11, so that the wearer can wear the waist band 80 as an inner-wearing diaper. May be visible. In this case, the wearer appears to the wearer to wear two disposable diapers. As a result, anxiety about leakage of excrement from the waist opening 66 is reduced, so that the wearer can feel reassured about leakage anxiety.
  • the design may be visible in the stretched state or in the natural state from the non-skin facing surface side T2 of the disposable diaper 10.
  • visible in the present invention means a distance of about 30 to 50 cm in a room (standard: 500 to 750 lx) that is brightly illuminated by neutral white (color temperature standard 4600 to 5400 K (Kelvin)). Therefore, it means that a subject having good eyesight (1.0 or more) in both eyes can visually recognize the subject.
  • the design is composed of patterns (combinations of figures and colors).
  • the design may be configured by vertical stripes extending in the front-rear direction L as shown in FIG. Accordingly, when the waist band 80 is configured to be stretchable in the width direction W, the waist band 80 extends in the width direction W, so that the vertical stripes also extend and the length of the vertical stripe in the width direction changes. As a result, the wearer can feel the fit of the waistband to the body, and thus the anxiety about leakage of excrement from the waist opening 66 can be reduced, and the wearer can feel secure about the leakage anxiety. it can.
  • the design may be composed of at least one of horizontal stripes extending in the width direction W, a round shape, a star shape, a heart shape, and the like.
  • the design may be provided by being printed on a member (nonwoven fabric, film, or the like) forming the waistband 80. Further, the design may be provided by a colored member (nonwoven fabric, film, etc.) that constitutes the waistband 80. The colored parts may make up the design. Further, the design may be provided by joining a heat seal having a heart-shaped, star-shaped, or the like design to the waist band 80, for example. The design may be provided by shaping the waistband 80. By the shaping process, for example, a pattern or a figure may be drawn on the waist band 80 by a wavy line or a dot line.
  • the rear end edge of the design region DR may be arranged rearward of the rear end edge 93R of the locking portion 93, and may be rearward of the rear end edge 90R of the fastening tape 90. It may be located on the side.
  • the design region DR is arranged on the waist opening 66 side, so that the visibility of the waist band 80 can be improved.
  • the waist band 80 is joined to the main body 11 (more specifically, the skin-side sheet 20).
  • a joining member such as a hot melt adhesive (HMA), sonic seal, heat seal, or the like is used.
  • the waist band 80 is joined by the joining member 83.
  • the joining member 83 has a first joining member 831 and a second joining member 832.
  • the first joining member 831 is arranged at the end portion of the waistband 80 in the front-rear direction L and extends in the width direction W (see FIG. 3 ).
  • the second joining member 832 is arranged at an end portion of the waistband 80 in the width direction W and extends in the front-rear direction L (see FIG. 2 ).
  • the waist band 80 has a joint portion 84 that is joined to the main body portion 11 and a non-joint portion 85 that is not joined to the main body portion 11.
  • the joint portion 84 is a portion in contact with the joint member 83, and is directly fixed to the main body portion 11.
  • the joint portion 84 has a first joint portion 841 and a second joint portion 842.
  • the first joint portion 841 is arranged at an end portion of the waistband 80 in the front-rear direction L and extends in the width direction W.
  • the first joint portion 841 is arranged on the rear side of the non-joint portion 85 (specifically, the standing portion 852).
  • the first joint portion 841 is a portion in contact with the first joint member 831.
  • the second joint portions 842 are a pair of side joint portions that are located at both ends of the waist band 80 in the width direction W and are joined to the main body portion 11.
  • the second joint portion 842 extends in the front-rear direction L.
  • the second joint portion 842 is arranged outside the non-joint portion 85 in the width direction W (see FIG. 2 ).
  • the second joint portion 842 is a portion in contact with the second joint member 832.
  • the non-joining portion 85 is a portion that is not in contact with the joining member 83, and the distance from the main body portion 11 can be changed.
  • the non-bonded portion 85 has a skin contact portion 851 that has a skin contact surface 851S that contacts the wearer's skin.
  • the non-bonded portion 85 may have a band stretchable region BSR.
  • a design may be provided in the band stretch region BSR. This makes it easier for the wearer to pay attention to the design and to easily understand the band stretch region BSR in which the design is provided.
  • the band stretch region BSR stretches according to the wearer's body. Since the design expands and contracts in accordance with this expansion and contraction, it becomes easy to visually recognize that the waist band 80 fits the wearer. As a result, anxiety about leakage of excrement from the waist opening 66 is reduced, so that the wearer can feel reassured about leakage anxiety.
  • the accommodation space AS sandwiched by the non-bonding portion 85 of the waist band 80 and the skin-side sheet 20 forms a pocket opening toward the front side.
  • the skin contact portion 851 is arranged on the skin facing surface side T1 of the accommodation space AS.
  • the non-bonded portion 85 may have a rising portion 852 that stands up with respect to the main body portion 11 (more specifically, the skin side sheet 20).
  • the non-bonding portion 85 is folded by the band fold line FLB extending in the width direction W.
  • the non-bonding portion 85 is folded back outward in the front-rear direction L with the band fold line FLB as a base point.
  • the skin contact portion 851 is configured by a portion (folded portion) where the waist band 80 is folded along the band fold line FLB along the width direction W.
  • the skin contact portion (folded portion) 851 extends from the band fold FLB toward the outer side (rear side) in the front-rear direction L and is located closer to the skin-facing surface side T1 than the upright portion 852.
  • the upright portion 852 is composed of a portion where the waist band 80 is not folded back by the band fold line FLB.
  • the upright portion 852 extends from the joint portion 84 to the band fold FLB and is configured to be upright.
  • the standing portion 852 extends rearward from the band fold FLB on the non-skin facing surface side T2 with respect to the skin contact portion 851.
  • the skin contact portion 851 has a design region DR, and the skin contact portion 851 is provided with a design. Since the standing portion 852 stands up, the distance between the skin contact portion 851 and the main body portion 11 is increased, so that the wearer can easily see the design provided on the skin contact portion 851. In addition, it becomes easy to visually recognize that the waist band fits the wearer.
  • the standing portion 852 is a portion of the non-joined portion 85 that does not come into contact with the wearer's skin. Note that, as shown in FIGS. 3 to 5, the area in contact with the wearer's skin changes depending on the movement of the wearer and/or the standing condition of the standing portion 852. Therefore, the length of the skin contact portion 851 in the front-rear direction L and the length of the standing portion 852 in the front-rear direction L may change.
  • the design may be provided not only on the skin contact portion 851 but also on the standing portion 852.
  • the upright portion 852 may have a design area.
  • a design region that is, a design may be provided on the non-skin facing surface side T2 of the skin contact portion 851.
  • the non-skin-facing surface side T2( of the skin-contacting portion 851 is worn when the disposable diaper is worn. That is, since the design is provided on the back side), the wearer can easily see the design from the non-skin facing surface T2 side on the back side of the wearer. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband 80 provided with the design.
  • the non-bonded portion 85 may also have a second non-woven fabric layer 812 provided with a design.
  • the second nonwoven fabric layer 812 may overlap the band elastic member 82 in the thickness direction T, and may be disposed on the non-skin facing surface side T2 with respect to the band elastic member 82.
  • the second non-woven fabric layer 812 is arranged closer to the non-skin facing surface side T2 than the band elastic member 82 in the skin contact portion 851. Since the second non-woven fabric layer 812 is arranged on the non-skin facing surface side T2 of the band elastic member 82, the wearer can visually recognize the design without being blocked by the band elastic member 82. It becomes clear and easy to see. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband 80 provided with the design.
  • the non-bonded portion 85 may include a band elastic member 82.
  • the uprightness of the upright portion 852 is improved by the band elastic member 82, so that the waist band 80 becomes easier to separate from the main body portion 11.
  • the design provided on the waist band 80 is less likely to be blocked by the main body portion 11, and the visibility of the waist band 80 can be further improved.
  • the band elastic member 82 in the upright portion 852 does not obstruct the design, so that the band elastic member 82 in the upright portion 852 is less than the second nonwoven fabric layer 812. It may be arranged on the non-skin facing surface side T2.
  • the disposable diaper 10 includes a first portion P1 that extends rearward from a predetermined position on the front side of the rear end edge 11R of the main body portion 11 of the non-joining portion 85, and a non-skin facing surface side T2 on the first portion P1. You may have the 2nd part P2 which opposes and extends toward a back side from a predetermined position. A space that opens rearward may be formed between the first portion P1 and the second portion P2.
  • the first portion P1 may have a design area DR. That is, the first portion P1 may be provided with a design. Since a space that opens toward the rear side is formed between the first portion P1 and the second portion P2, when the wearer bends forward, the first portion P1 is removed from the second portion P2 to the skin. It is possible to separate to the opposing surface side T1. This makes it easier for the wearer to visually recognize the design provided on the first portion P1 from the non-skin facing surface side T2 on the back side of the wearer when wearing the disposable diaper, and further improves the visibility of the waist band 80. Can be improved. In addition, the wearer can easily see the first portion P1 as an inner diaper and the second portion P2 as an outer diaper. Therefore, the wearer can easily see that the wearer wears two disposable diapers 10. As a result, anxiety about leakage of excrement from the waist opening 66 is reduced, so that the wearer can feel reassured about leakage anxiety.
  • the waist band 80 is The area that overlaps with the main body 11 increases. Therefore, in the disposable diaper 10 before use and the disposable diaper 10 when worn with the back muscles stretched, the waist band 80 is less visible.
  • the wearer in a forward bending scene, the wearer can easily recognize the design provided on the first portion P1 from the non-skin facing surface side T2 on the back side of the wearer when wearing the disposable diaper 10. Become. Therefore, by improving the visibility of the waistband 80 in a forward bending scene in which the wearer is likely to feel anxiety about leakage of excrement, the waistband 80 is protected before use, and the wearer feels secure about the fear of leakage. Can be given.
  • the predetermined position is the band fold FLB.
  • the portion extending rearward from the band fold FLB on the skin facing surface side T1 is the first portion P1, and the band fold on the non-skin facing surface side T2.
  • the portion extending from the FLB toward the rear side is the second portion P2.
  • the first portion P1 is the skin contact portion 851.
  • the second portion P2 is the rising portion 852 and the joint portion 84.
  • the first portion P1 has a first design area DR1 and the second portion P2 has a second design area DR2.
  • the first design area DR1 is a design area provided in the first portion.
  • the second design region DR2 is a design provided in the second portion P2.
  • the design provided on the waistband 80 may have a first design and a second design.
  • the first portion P1 may be provided with a first design (vertical stripes in FIG. 6), and the second portion P2 may be provided with a second design (star in FIG. 6) of a different type from the first design. You may.
  • the wearer Since the space that opens rearward is formed between the first portion P1 and the second portion P2, the wearer uses the first design and the second design as a non-skin-facing member on the back side of the wearer. It can be seen from the surface side T2.
  • the first design and the second design are of different types, the first portion P1 provided with the first design is more likely to look like a diaper for indoor shoes, and the first portion P1 has a non-skin facing surface side T2.
  • the second portion P2 facing each other and provided with the second design easily looks like a disposable diaper actually worn by the wearer. Therefore, as shown in FIG. 6, the wearer can easily see that the wearer wears two disposable diapers, and the anxiety about leakage of excrement from the waist opening 66 can be reduced. It is possible to give a sense of security against anxiety about leakage.
  • the main body portion 11 may have a main body overlapping portion 111 that overlaps the waist band 80 in the thickness direction T in the rear waistline region S2.
  • No design may be provided on the non-skin facing surface side T2 of the body region BR on the non-skin facing surface side T2 from the rear end edge 11R of the main body portion 11 to the main body overlapping portion 111 (see FIG. 6A). Since the design is not provided even when the non-skin facing surface side T2 of the body region BR is visually recognized, the wearer can easily pay attention to the design provided on the waist band 80 and the waist provided with the design. It becomes easy to grasp the band 80.
  • a design may be provided in a region on the front side (inseam side) of the body region BR. Since the design is separated from the rear edge 11R of the main body 11, it is difficult to confuse it with the design of the waistband 80. Therefore, the wearer can easily grasp the waistband 80 having the design.
  • the design may not be provided in the region on the front side (inseam side) of the body region BR.
  • the waist band 80 is arranged up to the rear end edge 11R of the main body portion 11, so the main body overlapping portion 111 and the main body region BR coincide with each other.
  • the rear end edge 80R of the waist band 80 is arranged on the front side of the rear end edge 11R of the main body portion 11, in the region from the rear end edge 11R of the main body portion 11 to the rear end edge of the main body overlapping portion 111.
  • the body region BR is larger than the body overlapping portion by the amount.
  • the upright portion 852 has a liquid-impermeable film layer 813.
  • the standing portion 852 is arranged on the skin-facing surface side T1 of the accommodation space AS. Since the upright portion 852 having the liquid impermeable film layer 813 is arranged on the skin-facing surface side T1 of the accommodation space AS, the excrement accommodated in the accommodation space AS functioning as a pocket is disposed in the film layer 813. It is possible to suppress bleeding from the exposed skin facing surface side T1. By suppressing the exudation of excrement after use, it becomes easier for the wearer to feel more secure about anxiety about leakage.
  • the waist band 80 may have a base end edge that serves as an upright fulcrum of the upright portion 852.
  • the base end edge has a first base end edge located closer to the waist opening 66 than the upright portion 852, and a second base end edge located outside the absorbent core 31 in the width direction W.
  • the 1st base end edge is constituted by front end edge 84F of junction part 84 (1st junction part 841).
  • the joint portion 84 extends in the front-rear direction L from the first base end edge.
  • the second base end edge is configured by the side end edge 84E of the joint portion 84 (second joint portion 842).
  • the side end portions of the waistband 80 in the width direction W may be joined by the side joining member 833 which is the joining member 83.
  • the non-bonding portion 85 may include a pair of skin contact bonding portions 853 arranged on the skin facing surface side T1 of the side bonding member 833.
  • the non-skin facing surface sides T2 of the pair of skin contact joining portions 853 are joined to the second joining portion 842 by the side joining members 833.
  • FIG. 7 is a figure for demonstrating the disposable diaper 10 which concerns on the example 1 of a change. Similar to FIG. 6, FIG. 7A is a schematic diagram of the disposable diaper 10 according to the first modification as viewed from the non-skin facing surface side T2 on the back side of the wearer. FIG. 7B is a diagram for explaining the design of the waist band 80. FIG. 7C is a diagram for explaining a main body design described later. FIG. 8 is a schematic cross-sectional view of the disposable diaper 10 according to the modified examples 2 to 4. FIG. 8 is a schematic cross-sectional view at the same location as the cross-sectional view along the line BB in FIG.
  • FIG. 8A is a schematic cross-sectional view of the disposable diaper 10 according to the second modification
  • FIG. 8B is a schematic cross-sectional view of the disposable diaper 10 according to the third modification
  • FIG. 8C is a disposable diaper 10 according to the fourth modification.
  • FIG. The description of the same parts as those in the above-described embodiment will be omitted.
  • the disposable diaper 10 according to the first modification will be described with reference to FIG. 7.
  • the waistband design is indicated by F1 (FIGS. F11, F12 and F13), and the main body design is indicated by F2 (FIGS. F21, F22 and F23).
  • the main body region BR may be provided with a main body design F2 that is visible from the non-skin facing surface of the wearer's back when the disposable diaper 10 is worn.
  • the maximum value of the color difference between the waistband 80 design F1 and white may be larger than the maximum value of the body design F2 and white color difference. Since the disposable diaper 10 is generally white, the wearer can easily pay attention to a design having a large maximum color difference from white. Therefore, the wearer can easily grasp the waistband 80 provided with the design F1.
  • the color difference with respect to white can be obtained by the following method using a color difference meter (for example, color-color difference meter CR-300 manufactured by Konica Minolta).
  • a color difference meter for example, color-color difference meter CR-300 manufactured by Konica Minolta.
  • the white reference area and each target area are measured, and the measurement result (L* value, L* value, a* value, b* value).
  • the design in one target area has multiple colors, measure the part that includes the color with the maximum color difference from white. Further, the white area of the disposable diaper 10 can be used as a white reference area, and the color measured in the reference area can be the white color of the present invention.
  • the color difference ⁇ E*ab with respect to the white reference region (for example, 10K) is acquired for each target region.
  • the color difference ⁇ E*ab can be calculated by the following formula based on the difference ( ⁇ L*, ⁇ a*, ⁇ b*) between the measurement result of the target region and the measurement result of the reference region.
  • ⁇ E*ab [( ⁇ L*)2+( ⁇ a*)2+( ⁇ b*)2]1/2
  • the design F1 may be composed of a plurality of figures (FIGS. F11 to F13) that are separated from each other.
  • the body design F2 may be composed of a plurality of figures (FIGS. F21 to F23) that are separated from each other.
  • the average distance between two figures of the plurality of figures of the design F1 may be shorter than the average distance between two figures of the plurality of figures of the main body design F2.
  • the waistband design F1 with a shorter average distance between the two figures is more dense than the main body design F2, so it is easier for the wearer to pay attention to the design F1. It becomes easier to grasp.
  • D11 is the shortest distance from FIG. F11 to F12
  • d12 is the shortest distance from F12 to F13
  • d13 is the shortest distance from F13 to F11.
  • d21 is the shortest distance from FIG. F21 to F22
  • d22 is the shortest distance from F22 to F23
  • d23 is the shortest distance from F23 to F21.
  • the number of colors used in the design F1 of the waist band 80 may be larger than the number of colors used in the main body design F2. Designs that use many colors are more noticeable than designs that use fewer colors. Therefore, the wearer can easily grasp the waistband 80 provided with the designs of many colors.
  • the total area of the waistband 80 design F1 may be larger than the total area of the main body design F2.
  • the total area of the design F1 is the total area of FIGS. F11 to F13.
  • the total area of the main body design F2 is the total area of FIGS. F21 to F23. A region having a large area is more easily noticed than a region having a small area. Therefore, the wearer is more likely to notice the design F1 of the waist band 80 having a large total area, and wears the waist band 80 provided with the design F1. It becomes easier to grasp.
  • image data is acquired by photographing the stretched waistband 80 from the non-skin facing surface side T2, and the acquired image data is subjected to image analysis software (for example, “UNAnalyzer” manufactured by Unique Co., Ltd.). ), the area of the design region DR obtained by image processing is measured.
  • image data acquired by capturing the expanded body 11 from the non-skin facing surface side T2 is acquired, and the acquired image data is subjected to image processing with image analysis software.
  • the area of the area where the body design is provided is measured. If there are a plurality of design regions DR (a plurality of main body design regions), the total area of the design (main body design) can be calculated by summing the areas of the respective design regions DR (main body design regions).
  • the non-bonding portion 85 may have a plurality of band folds (first band fold FLB1 and second band fold FLB2). Specifically, the non-bonding portion 85 may have a first band fold FLB1 near the bonding portion 84 and a second band fold FLB2 far from the bonding portion 84. The non-bonded portion 85 is folded by a plurality of band folds FLB.
  • the standing portion 852 extends from the front end side of the joint portion 84, but as in the second modification, the standing portion 852 may extend from the rear end side of the joint portion 84.
  • the non-bonded portion 85 may have a film layer 813 provided with a design.
  • the film layer 813 may overlap the band elastic member 82 in the thickness direction T and may be arranged on the non-skin facing surface side T2 with respect to the band elastic member 82. Since the film layer 813 is arranged on the non-skin facing surface side T2 of the band elastic member 82, the wearer can visually recognize the design without being blocked by the band elastic member 82, and the design can be made clear. Easy to see. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband 80 provided with the design.
  • the skin contact portion 851 is the first portion P1
  • the upright portion 852 is the second portion P2
  • the predetermined position is the second band fold FLB2. Since the type of the first design provided in the first portion P1 and the type of the second design provided in the second portion P2 are different, it is easy for the wearer to look like wearing two disposable diapers. May be.
  • the non-bonding portion 85 may have a plurality of band folds (first band fold FLB1 and second band fold FLB2).
  • the non-bonded portion 85 is folded by a plurality of band folds FLB.
  • the skin contact portion 851 extends from the second band fold line FLB2 toward the front side and has the skin contact surface 851S.
  • the upright portion 852 extends toward the front side from the second band fold FLB2 on the non-skin facing surface side T2 with respect to the skin contact portion 851, and stands upright with respect to the main body portion 11.
  • the accommodation space AS may be formed by being sandwiched between the skin contact portion 851 and the standing portion 852.
  • a design may be provided on the standing portion 852. That is, the standing portion 852 may have the design region DR.
  • the upright portion 852 is located on the non-skin facing surface side T2 of the accommodation space AS that opens toward the crotch region S3. Therefore, due to the design provided on the upright portion 852, the excrement accommodated in the accommodating space AS becomes less noticeable, and the wearer can easily feel more secure about leakage of the excrement from the waist opening 66.
  • the design may be provided on the non-skin facing surface side T2 of the upright portion 852.
  • the non-skin-facing surface side T2 that is, the back side of the standing portion 852 is worn when the disposable diaper is worn.
  • the wearer can easily see the design clearly. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband 80 provided with the design.
  • the upright portion 852 on the skin-facing surface side T1 with the first band fold FLB1 as the boundary is the first portion P1
  • the upright portion on the non-skin facing surface side T2 with the first band fold FLB1 as the boundary. 852 and the joining portion 84 are the second portion P2
  • the predetermined position is the first band fold FLB1. Since the type of the first design provided in the first portion P1 and the type of the second design provided in the second portion P2 are different, it is easy for the wearer to look like wearing two disposable diapers. May be.
  • the rising portion 852 may extend from the rear end side of the joint portion 84.
  • the waist band 80 may have one band fold FLB.
  • the skin contact portion 851 extends from the band fold FLB toward the front side and has a skin contact surface 851S.
  • the standing portion 852 extends toward the front side from the band fold FLB on the non-skin facing surface side T2 with respect to the skin contact portion 851, and stands upright with respect to the body portion 11.
  • the accommodation space AS is formed by being sandwiched between the skin contact portion 851 and the upright portion 852. Therefore, due to the design provided on the upright portion 852, the excrement accommodated in the accommodating space AS becomes less noticeable, and the wearer can easily feel more secure about leakage of the excrement from the waist opening 66.
  • the upright portion 852 is the first portion P1
  • the portion of the main body portion 11 located on the rear side of the joint portion 84 is the second portion P2
  • the predetermined position is the first band fold. It is FLB1.
  • a design main body design region DR3
  • the second portion P2 of the main body 11 specifically, the topsheet 21
  • the waist band 80 may include, as the band elastic member 82, a sheet member that expands and contracts in the width direction W.
  • the design may be provided on the non-skin facing surface side T2 of the sheet member. Since the design is provided on the non-skin facing surface side T2 of the sheet member, the wearer can easily see the design clearly as compared with the case where the design is provided on the skin facing surface side T1 of the sheet member. Therefore, the wearer can easily pay attention to the design, and can easily grasp the waistband provided with the design.
  • first non-woven fabric layer 811 and the second non-woven fabric layer 812 were made of the same non-woven fabric, but they may be made of different non-woven fabrics.
  • the design may be provided only in one of the non-woven fabric layer (the first non-woven fabric layer 811 and/or the second non-woven fabric layer 812) and the film layer 813, or in both the non-woven fabric layer and the film layer 813. May be provided.
  • the band elastic member 82 may not be arranged on the waist band 80, the band elastic member 82 may be arranged on one of the skin contact portion 851 and the upright portion 852, or the skin contact portion. It may be arranged on both the 851 and the upright portion 852.
  • the band elastic member 82 is arranged in the skin contact portion 851
  • the waist band 80 fits the body, so that the leakage of excrement from the waist opening 66 can be suppressed.
  • the band elastic member 82 is arranged in the upright portion 852
  • the uprightness of the waist band 80 is improved, so that the waist band 80 approaches the body and leakage of excrement from the waist opening 66 can be suppressed. ..
  • the member in which the design region DR is arranged (for example, the first nonwoven fabric layer 811, the film layer 813, etc.). ) Is arranged closer to the non-skin facing surface side T2 than the band elastic member 82, but is not limited to this.
  • the member in which the design region DR is arranged may be arranged closer to the skin-facing surface side T1 than the band elastic member 82.
  • a design may be provided on the skin contact portion 851.
  • the member provided with the design may be arranged closer to the skin facing surface side T1 than the band elastic member 82. Accordingly, when the disposable diaper 10 is worn, the waist band 80 of the skin contact portion 851 is generally easily visible when the disposable diaper 10 is viewed from the skin facing surface side T1. The wearer can easily grasp the waistband by visually recognizing the design provided on the skin contact portion 851.
  • the outer edge of the design region DR in the front-rear direction L may extend to the outer edge of the waistband 80 (rear edge 11R). This allows the design to be provided as close as possible to the outer edge of the waist band 80, which makes it easier for the wearer to see the design from the wearer's back side.
  • the rear end edge of the design region DR may be separated from the rear end edge 11R of the waistband 80 to the front side.
  • the disposable diaper 10 in the extended state of the disposable diaper 10, the disposable diaper 10 may be located on the front side of the rear end edge 11R of the main body 11.
  • the design region DR is also cut by cutting the waist band 80 together with the continuous sheet.
  • the waistband 80 is provided with an incomplete design.
  • the rear end edge of the design region DR may be separated from the rear end edge 11R of the waist band 80 to the front side so that the waist band 80 is not provided with an incomplete design.
  • the waist band 80 when the disposable diaper 10 is folded in two with the fold line FL1 extending in the width direction W as the base point, a part of the waist band 80 is partially covered by the main body portion 11 in a plan view from the rear waistline region S2 side. It may be exposed from the rear edge. Further, in the two-folded natural state, the design provided on the waist band 80 may be exposed from the rear end edge of the main body 11. Thereby, the wearer may be able to visually recognize the design provided on the waistband 80.
  • the disposable diaper 10 is a tape-type disposable diaper, but the invention is not limited to this.
  • the disposable diaper 10 may be a pants-type disposable diaper.
  • a disposable diaper provided with a waistband, which reduces anxiety about leakage of excrement from the waist opening and easily gives the wearer a sense of security.
  • Disposable diaper 11 Body part 16: Side flap 20: Skin side sheet 21: Top sheet 22: Side sheet 23: Back sheet 24: Exterior sheet 25: Non-skin side sheet 31: Absorption core 42: Leg circumference elasticity Member 45: waist elastic member 60: leak-proof gather 61: leak-proof elastic member 63: contraction part 64: leak-proof base end edge 65: leg opening 66: waist opening 80: waist band 81: seat layer 82: band Elastic member 83: Joining member 84: Joining part 85: Non-joining part 90: Fastening tape 92: Base part 93: Locking part 95: Target part 111: Main body overlapping part 641: First leak-proof base edge 642: Second Leak-proof base edge 811: First non-woven fabric layer 812: Second non-woven fabric layer 813: Film layer 831: First joining member 832: Second joining member 833: Side joining member 841: First joining portion 842: Second joining portion 851: Skin contact portion 851S: Skin contact surface 852: Standing portion 853:

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'invention concerne une couche jetable (10) qui a une partie centrale d'absorption (31), une ceinture (80) qui est disposée dans une région de corps arrière (S2), et une section de corps (11) qui comprend un élément comportant la partie centrale d'absorption (31) et disposé plus vers le côté de surface non tourné vers la peau (T2) que la ceinture (80). La ceinture (80) a une section de liaison (84) qui est reliée à la section de corps (11), et une section de non-liaison (85) qui n'est pas reliée à la section de corps (11). La ceinture (80) a une conception qui, lorsque la couche jetable (10) est portée par un porteur, est visible depuis le côté de surface non tourné vers la peau sur le côté arrière du porteur.
PCT/JP2018/045194 2018-12-07 2018-12-07 Couche jetable WO2020115916A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2018/045194 WO2020115916A1 (fr) 2018-12-07 2018-12-07 Couche jetable
CN201911241427.XA CN111281670B (zh) 2018-12-07 2019-12-06 一次性尿布
CN201922168854.1U CN211633927U (zh) 2018-12-07 2019-12-06 一次性尿布

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/045194 WO2020115916A1 (fr) 2018-12-07 2018-12-07 Couche jetable

Publications (1)

Publication Number Publication Date
WO2020115916A1 true WO2020115916A1 (fr) 2020-06-11

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PCT/JP2018/045194 WO2020115916A1 (fr) 2018-12-07 2018-12-07 Couche jetable

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CN (2) CN211633927U (fr)
WO (1) WO2020115916A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200375815A1 (en) * 2019-05-31 2020-12-03 The Procter & Gamble Company Absorbent article having a waist gasketing element
US11931233B2 (en) 2020-05-05 2024-03-19 The Procter & Gamble Company Absorbent articles including improved elastic panels
US12121426B2 (en) 2020-09-23 2024-10-22 The Procter & Gamble Company Method and apparatus for bonding elastic parts under tension to an advancing carrier

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020115916A1 (fr) * 2018-12-07 2020-06-11 ユニ・チャーム株式会社 Couche jetable

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JP2013094420A (ja) * 2011-10-31 2013-05-20 Unicharm Corp 使い捨て着用物品
JP2016067958A (ja) * 2015-12-17 2016-05-09 ユニ・チャーム株式会社 使い捨ておむつ
JP2016187511A (ja) * 2015-03-30 2016-11-04 ユニ・チャーム株式会社 使い捨ての着用物品
JP2016187510A (ja) * 2015-03-30 2016-11-04 ユニ・チャーム株式会社 開放型の使い捨て着用物品
JP2017000789A (ja) * 2012-05-15 2017-01-05 ザ プロクター アンド ギャンブル カンパニー 背景パターン及びマクロパターンを形成するテクスチャー区域を有する吸収性物品

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WO2020115916A1 (fr) * 2018-12-07 2020-06-11 ユニ・チャーム株式会社 Couche jetable

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Publication number Priority date Publication date Assignee Title
JP2013094420A (ja) * 2011-10-31 2013-05-20 Unicharm Corp 使い捨て着用物品
JP2017000789A (ja) * 2012-05-15 2017-01-05 ザ プロクター アンド ギャンブル カンパニー 背景パターン及びマクロパターンを形成するテクスチャー区域を有する吸収性物品
JP2016187511A (ja) * 2015-03-30 2016-11-04 ユニ・チャーム株式会社 使い捨ての着用物品
JP2016187510A (ja) * 2015-03-30 2016-11-04 ユニ・チャーム株式会社 開放型の使い捨て着用物品
JP2016067958A (ja) * 2015-12-17 2016-05-09 ユニ・チャーム株式会社 使い捨ておむつ

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200375815A1 (en) * 2019-05-31 2020-12-03 The Procter & Gamble Company Absorbent article having a waist gasketing element
US11801169B2 (en) 2019-05-31 2023-10-31 The Procter & Gamble Company Absorbent article having a waist gasketing element
US11938004B2 (en) 2019-05-31 2024-03-26 The Procter & Gamble Company Absorbent article having a waist gasketing element
US12115042B2 (en) 2019-05-31 2024-10-15 The Procter & Gamble Company Method and apparatus for bonding elastic parts under tension to an advancing carrier
US11931233B2 (en) 2020-05-05 2024-03-19 The Procter & Gamble Company Absorbent articles including improved elastic panels
US12121426B2 (en) 2020-09-23 2024-10-22 The Procter & Gamble Company Method and apparatus for bonding elastic parts under tension to an advancing carrier

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CN111281670B (zh) 2022-11-29
CN111281670A (zh) 2020-06-16
CN211633927U (zh) 2020-10-09

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