WO2022054436A1 - Groupe d'articles absorbants et tampon menstruel supplémentaire - Google Patents

Groupe d'articles absorbants et tampon menstruel supplémentaire Download PDF

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Publication number
WO2022054436A1
WO2022054436A1 PCT/JP2021/027861 JP2021027861W WO2022054436A1 WO 2022054436 A1 WO2022054436 A1 WO 2022054436A1 JP 2021027861 W JP2021027861 W JP 2021027861W WO 2022054436 A1 WO2022054436 A1 WO 2022054436A1
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WO
WIPO (PCT)
Prior art keywords
absorbent article
auxiliary pad
absorbent
sanitary
longitudinal direction
Prior art date
Application number
PCT/JP2021/027861
Other languages
English (en)
Japanese (ja)
Inventor
淳 工藤
遥 吉本
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 CN202190000616.2U priority Critical patent/CN219461691U/zh
Publication of WO2022054436A1 publication Critical patent/WO2022054436A1/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
    • A61F13/45—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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • 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
    • A61F13/496—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
    • A61F13/505—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with separable parts, e.g. combination of disposable and reusable parts
    • 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
    • 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
    • A61F13/531—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 a homogeneous composition through the thickness of the pad
    • A61F13/532—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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane 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
    • A61F13/56—Supporting or fastening 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
    • A61F13/56—Supporting or fastening means
    • A61F13/62—Mechanical fastening means, ; Fabric strip fastener elements, e.g. hook and loop

Definitions

  • the present invention relates to a group of absorbent articles and a sanitary auxiliary pad.
  • An auxiliary pad is attached to the sanitary napkin to prevent leakage and improve fit, and when attached, the auxiliary pad is bent so that the center of the auxiliary pad in the width direction is convex toward the wearer's body.
  • An absorbent article for attaching an auxiliary pad, which is a constituent, is known (see, for example, Patent Document 1).
  • Patent Document 1 An absorbent article for attaching an auxiliary pad, which is a constituent, is known (see, for example, Patent Document 1).
  • Absorbent articles are known (see, for example, Patent Document 2).
  • the present invention is concerned. Since the auxiliary pad is not linked to the deformation of the menstrual napkin, there is a risk that a gap may be created between the skin and the auxiliary pad due to the movement of the wearer during walking or the like, and leakage may occur.
  • the present invention has been made in view of the above problems, and an object thereof is that a gap is unlikely to occur between the sanitary auxiliary pad attached to the absorbent article and the wearer's skin.
  • the purpose of this is to provide a group of absorbent articles in which the sanitary auxiliary pad fits the vaginal opening and can be prevented from leaking.
  • the main invention for achieving the above object is an absorbent article having a longitudinal direction, a width direction and a thickness direction intersecting with each other and having a liquid-absorbing absorbent body, and a skin side surface of the absorbent article.
  • a group of absorbent articles comprising a sanitary auxiliary pad to be attached and used, wherein the sanitary auxiliary pad has a liquid-absorbing absorber, and the absorber absorbs the sanitary auxiliary pad.
  • a sanitary auxiliary pad that has a longitudinal direction, a width direction, and a thickness direction that intersect with each other and is used by being attached to the skin side surface of an absorbent article, and has a liquid-absorbing absorber.
  • the absorber is attached to the skin side surface of the absorbent article by attaching the sanitary auxiliary pad to the skin side surface of the absorbent article, and when the absorbent article is pulled up and worn, the absorbent body is pushed by the absorbent article to form a central portion in the width direction.
  • It is a sanitary auxiliary pad characterized in that at least a part of the above-mentioned longitudinal direction is configured to be convex toward the skin side in the thickness direction.
  • the sanitary auxiliary pad is less likely to form a gap between the sanitary auxiliary pad attached to the absorbent article and the wearer's skin, so that the sanitary auxiliary pad fits into the vaginal opening and is less likely to leak. It becomes possible to provide a group of sex articles.
  • FIG. 3 is a schematic cross-sectional view taken along the line AA shown in FIG. It is a top view of the shorts type napkin 3 in the deployed state which concerns on this embodiment. It is sectional drawing of the absorbent body 30 along the line AA of FIG. It is sectional drawing which includes the absorbent body 30 and the exterior body 40 along the line BB of FIG. It is a schematic plan view which shows the state which attached the sanitary auxiliary pad 2 to the skin side surface of the shorts type napkin 3.
  • FIG. 9A is a schematic plan view of the unfolded sanitary auxiliary pad 2 having the packaging material 70 as viewed from the skin side
  • FIG. 9B is a diagram showing the sanitary auxiliary pad 2 in the individually packaged state.
  • 10A and 10B show a modified example of the arrangement of the locking member 25. It is a top view of the shorts type napkin 3 in the unfolded state which concerns on a modification.
  • An absorbent article having a longitudinal direction, a width direction, and a thickness direction intersecting with each other and having a liquid-absorbing absorbent body, and a sanitary auxiliary pad used by being attached to the skin side surface of the absorbent article.
  • a group of absorbent articles wherein the sanitary auxiliary pad has a liquid-absorbing absorber, and the absorbent body attaches the physiological auxiliary pad to the skin side surface of the absorbent article.
  • the sanitary auxiliary pad attached to the skin side surface of the absorbent article becomes convex toward the skin when pressed by the absorbent article, and is linked to the movement of the absorbent article.
  • the center of the sanitary auxiliary pad in the width direction when the sanitary auxiliary pad is attached to the skin side surface of the absorbent article and the absorbent article is pulled up and worn, the center of the sanitary auxiliary pad in the width direction. It is desirable that at least the front region in the longitudinal direction of the portions is configured to be flatter than the central region in the longitudinal direction.
  • the flat anterior region of the sanitary aid pad allows the anterior region to come into surface contact along the shape of the wearer's body, improving fit. ..
  • the central region is convex toward the skin side rather than the anterior region.
  • the absorbent body has a liquid-absorbable absorbent core, and is convex when the absorbent article is pulled up and worn among the absorbent bodies of the physiological auxiliary pad. It is desirable that the rigidity of the region to be shaped is lower than the rigidity of the region of the absorbent core of the absorbent article that pushes the sanitary auxiliary pad so as to be convex.
  • the region where the absorbent body of the sanitary auxiliary pad is convex toward the skin in the thickness direction is the portion that abuts on the vaginal opening, and the rigidity of the convex region is When the value is low, it is easy to follow the movement of the absorbent article, and it tends to be convex toward the skin. As a result, the fit to the vaginal opening is improved and leakage is less likely to occur.
  • the absorbent body has a liquid-absorbable absorbent core, and is convex when the absorbent article is pulled up and worn among the absorbent bodies of the physiological auxiliary pad.
  • the length in the thickness direction of the region to be shaped is larger than the length in the thickness direction of the region of the absorbent core of the absorbent article that pushes the sanitary auxiliary pad so as to be convex. Short is desirable.
  • the region where the absorbent body of the sanitary auxiliary pad is convex toward the skin in the thickness direction is the portion that abuts on the vaginal opening, and the thickness of the convex region.
  • the thinness makes it easier to follow the movement of the absorbent article that deforms according to the curve of the body. Thereby, the fit to the vaginal opening can be improved.
  • a pair of three-dimensional gather portions are provided on both sides of the absorbent body in the width direction, and the pair of three-dimensional gather portions are elastic members that can be expanded and contracted in the longitudinal direction. Therefore, it is possible to stand up on the skin side, and it is desirable that the maximum length of the absorber of the sanitary auxiliary pad in the thickness direction is shorter than the maximum standing height of the pair of three-dimensional gathered portions.
  • the maximum standing height of the pair of three-dimensional gathers is higher, so that the leakage of menstrual blood that the sanitary auxiliary pad could not absorb is blocked by the three-dimensional gathers. Can be done. While ensuring the side leakage prevention function of the three-dimensional gather, the sanitary auxiliary pad fits the vaginal opening and can prevent leakage.
  • the absorbent body has a central elastic member that can be expanded and contracted in the longitudinal direction at least in the central portion of the inseam facing the inseam of the wearer in the width direction.
  • the auxiliary pad is attached to the skin side surface of the absorbent article, it is desirable to have a portion where the absorbent body and the central elastic member overlap when viewed in the thickness direction.
  • the contraction of the central elastic member of the absorbent article makes it easier for the attached sanitary auxiliary pad to be pushed by the absorbent article and become convex toward the skin, and is used for menstruation.
  • the absorber of the auxiliary pad fits the vaginal opening and can prevent leakage.
  • the absorbent body has a central elastic member that can be expanded and contracted in the longitudinal direction at least in the central portion of the inseam facing the inseam of the wearer in the width direction.
  • the auxiliary pad has a back sheet on the most non-skin side in the thickness direction, and is attached to the absorbent article at the center portion in the width direction on the non-skin side surface in the thickness direction of the back sheet. It is desirable that there is a region where there is no locking member to be locked to the absorbent article.
  • the absorbent body has a central elastic member that can be expanded and contracted in the longitudinal direction at least in the central portion of the inseam facing the inseam of the wearer in the width direction.
  • the auxiliary pad has a back sheet on the most non-skin side in the thickness direction, and is attached to the absorbent article at the center portion in the width direction on the non-skin side surface in the thickness direction of the back sheet. It is desirable that there is a region where the locking member to be locked to the absorbent article exists and a region where the locking member does not exist.
  • the locking member is intermittently provided at the central portion in the width direction of the sanitary auxiliary pad.
  • the sanitary auxiliary pad has a back sheet on the most non-skin side in the thickness direction, and the absorbable side surface of the back sheet on the non-skin side in the thickness direction.
  • a plurality of locking members that are locked to the absorbent article when attached to the article are provided, and the sanitary auxiliary pad has at least two fold lines extending along the width direction. At least one of the plurality of locking members is provided on the front side of the frontmost folding line in the longitudinal direction of the folding lines, and at least one of the plurality of locking members. It is desirable that the locking member is provided on the rear side of the folding line on the rearmost side in the longitudinal direction.
  • the fold line portion becomes hard when the sanitary auxiliary pad is folded, and it becomes easy to have a fold habit. Since the sanitary auxiliary pad is used by spreading it out, it is difficult to get a crease by not overlapping the fold line and the locking member. Further, it is preferable that the anterior-posterior region of the sanitary auxiliary pad has a flat shape rather than the central portion in order to fit the body. By providing the locking members on both outer side portions (front and rear regions) in the longitudinal direction, the front and rear regions tend to have a flat shape, and the fit is improved.
  • the sanitary auxiliary pad has a back sheet on the most non-skin side in the thickness direction, and the absorbable side surface of the back sheet on the non-skin side in the thickness direction.
  • a plurality of locking members that are locked to the absorbent article when attached to the article are provided, and the absorbent body is at least in the central portion of the inseam facing the inseam of the wearer in the width direction. It has a central elastic member that can be expanded and contracted in the longitudinal direction, and the plurality of locking members are arranged at positions that do not overlap with the central elastic member when viewed in the thickness direction when attached to the absorbent article. It is desirable that it is done.
  • the locking member By arranging the locking member at a position that does not overlap with the central elastic member, the expansion and contraction of the central elastic member of the absorbent article is not hindered when the sanitary auxiliary pad is attached and the absorbent article is worn. can do.
  • the sanitary auxiliary pad tends to be convex toward the skin due to the contraction of the central elastic member of the absorbent article, and can be more fitted to the vaginal opening to prevent leakage.
  • the sanitary auxiliary pad has a back sheet on the most non-skin side in the thickness direction, and the absorbable side surface of the back sheet on the non-skin side in the thickness direction.
  • a plurality of locking members that are locked to the absorbent article when attached to the article are provided, and it is desirable that at least a part of the plurality of locking members is a hook material.
  • the hook material is caught on the skin side surface of the absorbent articles and is difficult to come off.
  • the sanitary auxiliary pad is less likely to shift, and the fit to the vaginal opening can be maintained.
  • the hook material is embossed in the absorbent article group.
  • the embossed hook material has irregularities on the surface so that the entire surface of the hook material does not join to the skin side surface of the absorbent article. If the entire surface of the hook material is joined to the side surface of the skin, the top sheet may be peeled off when the sanitary auxiliary pad is peeled off, but the embossing makes it easier to peel off.
  • the sanitary auxiliary pad has a back sheet on the most non-skin side in the thickness direction, and the absorbable side surface of the back sheet on the non-skin side in the thickness direction.
  • a plurality of locking members that are locked to the absorbent article when attached to the article are provided, and the longitudinal dimension of the sanitary aid pad is divided into three equal parts to the anterior region, the longitudinal central region, and the like.
  • the width direction dimension of the sanitary auxiliary pad is divided into three equal parts to form a width center region and both side regions sandwiching the width center region, the longitudinal center region and the longitudinal region are defined as the posterior region.
  • the region where the width center region overlaps is a region in which none of the plurality of locking members exists, and the front region and the rear region are provided with hook members as the plurality of locking members, respectively. Therefore, it is desirable that the adhesive portions as the plurality of locking members are provided in the both side portions regions along the longitudinal direction.
  • the hook material provided in the front-rear region can prevent the physiological auxiliary pad from slipping.
  • the portion where the central regions overlap is a portion that is in close contact with the vaginal opening, it is easy to interlock with the movement of the absorbent article by not providing the locking member.
  • the sanitary auxiliary pad is firmly fixed, and the wearer can be given a sense of security.
  • the sanitary auxiliary pad can be used not only as an auxiliary pad but also as a single body by directly attaching it to underwear when menstrual blood is low.
  • a pair of three-dimensional gather portions are provided along the longitudinal direction on both sides of the absorbent main body in the width direction, and the pair of three-dimensional gather portions are each provided with the above-mentioned three-dimensional gather portions. It has a base end portion that cannot stand up in the thickness direction and an upright portion that can stand up on the skin side in the thickness direction by an elastic member that can expand and contract in the longitudinal direction with the base end portion as a fulcrum.
  • the auxiliary pad is attached to the skin side surface of the absorbent article, it is desirable that both ends of the sanitary auxiliary pad in the width direction are located inside the base end portion in the width direction.
  • both ends of the sanitary auxiliary pad in the width direction are longer than the base end portion, the standing of the three-dimensional gather portion may be hindered. Since the length of the sanitary auxiliary pad in the width direction is shorter, it is possible to suppress the inhibition of the standing of the three-dimensional gathered portion.
  • the absorbent body has a central elastic member that can be expanded and contracted in the longitudinal direction at least in the central portion of the inseam facing the inseam of the wearer in the width direction, and is in a natural state.
  • the length of the sanitary auxiliary pad in the longitudinal direction is shorter than the length of the absorbent body in the longitudinal direction.
  • the physiological auxiliary pad fits in the absorbent body of the absorbent article, so that the elastic force of the central elastic member is easily propagated to the physiological auxiliary pad, and is convex toward the skin. Is easy to form.
  • the absorbent body has a central elastic member that can be expanded and contracted in the longitudinal direction at least in the central portion of the inseam facing the inseam of the wearer in the width direction, and is in a natural state.
  • the longitudinal rear end of the sanitary auxiliary pad is the portion of the central elastic member that exhibits elasticity. It is desirable to be located inside the longitudinal direction rather than the rear end in the longitudinal direction.
  • the posterior side in the longitudinal direction is a portion that abuts on the buttocks of the wearer, and is a stretchable portion of the central elastic member of the absorbent article rather than the rear end of the sanitary auxiliary pad. Since the rear end extends to the rear side in the longitudinal direction, the buttocks are more easily fitted by the elastic member.
  • the absorbent article has a ventral waist circumference portion and a dorsal waist circumference portion, and the ventral waist circumference portion and the dorsal waist circumference portion are a pair of the ventral waist circumference portions.
  • Each has a joint portion for joining the side end portion and the pair of side ends of the dorsal waist circumference portion, and the joint portion is unbonded to open the absorbent article in the longitudinal direction and spread it on a plane.
  • the longitudinal length of the sanitary auxiliary pad is from the longitudinal medial end of the joint of the ventral girth to the joint of the dorsal girth. It is desirable that it is shorter than the length to the medial end in the longitudinal direction.
  • a pair of three-dimensional gather portions are provided along the longitudinal direction on both sides of the absorbent body in the width direction, and the pair of three-dimensional gather portions are provided in the longitudinal direction.
  • the absorbent article has a ventral waistline portion and a dorsal waistline portion, and the ventral waistline portion and the dorsal waistline portion are said to be able to stand up on the skin side by an elastic member that can be expanded and contracted.
  • Each has a joint portion for joining a pair of side ends of the ventral waist circumference portion and a pair of side ends of the dorsal waist circumference portion, and the joint portion is unbonded to disengage the absorbent article in the longitudinal direction.
  • the longitudinal length of the sanitary auxiliary pad is the longitudinal length of the elastic member of the pair of three-dimensional gathered portions that exhibits elasticity in the unfolded state and the extended state in which the sanitary auxiliary pad is opened to the front and spread out on a plane. It is desirable that it is shorter than the length in the direction.
  • the region where the three-dimensional gather portion stands is an absorption region such as menstrual blood, and the three-dimensional gather portion prevents leakage.
  • the sanitary auxiliary pad is shorter than the length of the elastic member of the three-dimensional gather portion that exhibits elasticity, it fits within the length in which the three-dimensional gather portion functions. Therefore, even if a leak occurs from the sanitary auxiliary pad, it can be blocked by the three-dimensional gathered portion.
  • such a length configuration makes it easier to attach the sanitary auxiliary pad and allows it to be attached correctly.
  • the absorbent article has a ventral waist circumference portion, a dorsal waist circumference portion, and a crotch portion, and in at least one of the ventral waist circumference portion and the dorsal waist circumference portion. It has a leg circumference elastic member provided at least partially along the leg circumference opening from the ventral waist circumference portion or the dorsal waist circumference portion on both sides in the width direction toward the inside of the crotch.
  • the sanitary auxiliary pad is attached to the skin side surface of the absorbent article, it is desirable that the sanitary auxiliary pad and the leg circumference elastic member have a portion that overlaps in the thickness direction.
  • the pulling property of the absorbent article is improved by the contraction of the elastic member around the leg, and further, by overlapping with the physiological auxiliary pad, the physiological auxiliary is provided.
  • the pad is pushed by the absorbent article and tends to be convex toward the skin. Therefore, it is possible to suppress a gap that tends to occur between the sanitary auxiliary pad and the wearer's skin.
  • the absorbent article has a ventral waist circumference portion, a dorsal waist circumference portion, and a crotch portion, and in at least one of the ventral waist circumference portion and the dorsal waist circumference portion. It has a leg circumference elastic member provided at least partially along the leg circumference opening from the ventral waist circumference portion or the dorsal waist circumference portion on both sides in the width direction toward the inside of the crotch.
  • the sanitary auxiliary pad is attached to the skin side surface of the absorbent article, it is desirable that the sanitary auxiliary pad and the leg circumference elastic member do not overlap in the thickness direction.
  • the sanitary auxiliary pad can form a beautiful convex shape on the skin side and improve the fit of the inseam.
  • a sanitary auxiliary pad that has a longitudinal direction, a width direction, and a thickness direction that intersect with each other and is used by being attached to the skin side surface of an absorbent article. Attaches the sanitary auxiliary pad to the skin side surface of the absorbent article, and when the absorbent article is pulled up and worn, is pushed by the absorbent article to form a central portion in the width direction. It is a sanitary auxiliary pad characterized in that at least a part of the above-mentioned longitudinal direction is configured to be convex toward the skin side in the thickness-wise direction.
  • a sanitary auxiliary pad when pressed by the absorbent article, it becomes convex toward the skin, so that it can be linked to the movement of the absorbent article, and a gap between the skin and the sanitary auxiliary pad can be obtained. Is less likely to occur.
  • the sanitary auxiliary pad By attaching such a sanitary auxiliary pad to an absorbent article and using it, the sanitary auxiliary pad can be fitted to the vaginal opening to make it more difficult to leak.
  • FIG. 1 is a schematic perspective view of the absorbent article group 1 according to the present embodiment.
  • the absorbent article group 1 has an absorbent article 3 and a sanitary auxiliary pad 2 attached to the skin side surface of the absorbent article 3 and used.
  • the state of the absorbent article group 1 shown in FIG. 1 is a state in which the sanitary auxiliary pad 2 is attached to the absorbent article 3.
  • the shorts type napkin 3 for menstruation will be described as an example of the absorbent article 3, but the absorbent article 3 of the present embodiment is, for example, a pad type sanitary napkin that is not a shorts type. There may be.
  • the absorbent article group 1 has a "vertical direction", a "width direction”, and a "front-back direction” that intersect each other.
  • the vertical direction of the paper surface in FIG. 1 is the vertical direction
  • the upper side (lower side) of the paper surface is the “upper” ("lower") in the vertical direction
  • the center side of the paper surface is the inside and both sides are the outside. do.
  • the side that is the ventral side of the wearer when wearing is referred to as the "front side”
  • the side that is the back side of the wearer is referred to as the "rear side”.
  • the vertical direction of the absorbent article group 1 corresponds to the longitudinal direction of the absorbent article 3 and the sanitary auxiliary pad 2 in the deployed state
  • the thickness direction of the absorbent article group 1 corresponds to the absorbent article 3 and the menstruation.
  • FIG. 2 is a schematic plan view showing a state in which the sanitary auxiliary pad 2 is viewed from the skin side and the non-skin side.
  • FIG. 3 is a schematic cross-sectional view taken along the line AA shown in FIG.
  • the sanitary auxiliary pad 2 is a so-called flat type napkin, which has a substantially oval shape in a plan view and has a longitudinal direction, a width direction, and a thickness direction orthogonal to each other.
  • the longitudinal direction is the direction along the product longitudinal direction of the sanitary auxiliary pad 2
  • the width direction is the direction along the product short side direction of the sanitary auxiliary pad 2.
  • the side in contact with the wearer's body is referred to as the skin side
  • the opposite side is referred to as the non-skin side.
  • the shape of the sanitary auxiliary pad 2 is not limited to the above-mentioned substantially oval shape in a plan view, and may be, for example, a substantially rectangular shape in a plan view.
  • the sanitary auxiliary pad 2 includes an absorber 20, a top sheet 21 arranged on the skin side of the absorber 20, and an intermediate sheet 22 arranged between the absorber 20 and the top sheet 21. And a back sheet 24 arranged on the non-skin side of the absorber 20.
  • the materials adjacent to each other in the thickness direction are bonded to each other by an adhesive such as a hot melt adhesive.
  • the absorber 20 is a member that absorbs and retains the excrement liquid inside, and is, for example, a liquid absorbent such as a pulp fiber which is a liquid absorbent fiber, a cellulose-based absorbent fiber, and a highly absorbent polymer (so-called SAP). It has granules and the like, and in the present embodiment, it is formed in a substantially oval shape long in the longitudinal direction as shown by the broken line in FIG.
  • the liquid-absorbent fiber (absorbent core) may be covered with a liquid-permeable core wrap sheet (not shown).
  • the top sheet 21 is a liquid-permeable sheet member arranged on the skin side most in the thickness direction of the sanitary auxiliary pad 2, and is a member that comes into direct contact with the wearer's skin when the sanitary auxiliary pad 2 is used. be. Therefore, it is desirable that the top sheet 21 is a sheet member that is as flexible as possible and soft to the skin.
  • the sheet member constituting the top sheet 21 of the present embodiment for example, an air-through nonwoven fabric or the like can be exemplified.
  • the intermediate sheet 22 is a liquid-permeable sheet member arranged between the absorber 20 and the top sheet 21 in the thickness direction of the sanitary auxiliary pad 2.
  • Examples of the sheet member constituting the intermediate sheet 22 include spunbonded nonwoven fabrics, airlaid nonwoven fabrics, tissues, and air-through nonwoven fabrics.
  • the intermediate sheet 22 does not necessarily have to be provided.
  • the back sheet 24 is a sheet member arranged on the non-skin side in the thickness direction of the sanitary auxiliary pad 2.
  • the back sheet 24 has a back film 24a and an outer layer sheet 24b arranged on the non-skin side of the back film 24a.
  • the back film 24a is a liquid-impermeable and breathable sheet member, and examples thereof include a polyethylene or polypropylene resin film.
  • Examples of the sheet member constituting the outer layer sheet 24b include spunbonded nonwoven fabrics and air-through nonwoven fabrics.
  • the back sheet 24 has a plane size larger than that of the top sheet 21 and the absorber 20 in the width direction, and as shown in FIG. 3, both ends in the width direction are folded back inside in the width direction and on the skin side in the thickness direction. It is joined to the skin side surface of the top sheet 21.
  • the locking member 25 is provided with a pair of strip-shaped regions along the longitudinal direction arranged side by side on both sides of the sanitary auxiliary pad 2 in the width direction. It is provided one by one at the front and rear ends in the longitudinal direction, but the details of the specific configuration and function will be described later.
  • the shorts type napkin 3 will be described as an example of the menstrual napkin to which the sanitary auxiliary pad 2 is attached.
  • the physiological auxiliary pad 2 of the present embodiment can be used by being attached to a commercially available menstrual napkin (including a shorts type napkin 3) that satisfies the predetermined conditions described in the present specification.
  • FIG. 4 is a plan view of the shorts type napkin 3 in the unfolded state according to the present embodiment.
  • FIG. 5A is a schematic cross-sectional view of the absorbent body 30 along the line AA of FIG.
  • FIG. 5B is a schematic cross-sectional view including the absorbent body 30 and the exterior body 40 along the line BB of FIG.
  • the shorts-type napkins 3 In the unfolded state of the shorts-type napkin 3 shown in FIG. 4 (the state in which the shorts-type napkin 3 is spread on a plane before being molded into a pants shape), the shorts-type napkins 3 intersect with each other in the "longitudinal direction" and "width". It has a "direction” and a "thickness direction”.
  • the longitudinal direction is along the above-mentioned vertical direction.
  • the vertical direction of the paper surface in FIG. 2 is the longitudinal direction
  • the upper side (lower side) of the paper surface is the longitudinal "front (ventral side)" ("rear (dorsal side)"
  • the longitudinal direction is orthogonal to the paper surface.
  • the width direction is the width direction.
  • the direction orthogonal to the longitudinal direction and the width direction is the thickness direction, and in the thickness direction, the side that comes into contact with the wearer's skin is the “skin side” and the opposite side is “non”. "Skin side”.
  • the shorts type napkin 3 shown in FIG. 4 shows an extended state.
  • the "stretched state” is shown in a plan view by stretching each elastic body (for example, inseam thread rubber 60, elastic sheet 42 (corresponding to a stretchable film), etc., which will be described later) included in the shorts type napkin 3.
  • the member is in a stretched state without wrinkles.
  • FIG. 4 it means a state in which the dimensions of the exterior body 40 and the absorbent main body 30, which will be described later, constituting the shorts type napkin 3 are extended until they match or are close to the dimensions of the individual member.
  • the non-extended state in which each elastic body naturally contracts and wrinkles or the like are formed in the members or the like shown in the plan view is referred to as a "natural state".
  • the shorts-type napkin 3 includes a liquid-absorbing absorbent main body 30 and an exterior body 40.
  • a process of forming the shorts-type napkin 3 into a shorts type will be described first.
  • the exterior body 40 has a substantially hourglass shape in a plan view in the unfolded state. That is, the central portion in the longitudinal direction is recessed inward in the width direction, and this recessed portion forms a pair of leg-circumferential openings 3b shown in FIG. 1 when formed into a shorts shape.
  • the exterior body 40 has a ventral waist circumference portion 40f, a dorsal waist circumference portion 40b, and a crotch lower portion 40m in the longitudinal direction.
  • the ventral waist circumference portion 40f is a portion to which one end side of the absorbent main body 30 in the longitudinal direction is joined and is located on the ventral side of the wearer when wearing the shorts type napkin 3.
  • the dorsal waist circumference portion 40b is a portion to which the other end side of the absorbent main body 30 in the longitudinal direction is joined and is located on the back side of the wearer when wearing the shorts type napkin 3.
  • a crotch lower portion 40 m is provided between the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b.
  • the exterior body 40 according to the present embodiment is laminated on a non-stretchable sheet 44 having the shape of the exterior body 40 and having almost no elasticity in the width direction, and a part of the skin side surface of the non-stretchable sheet 44, and has a width.
  • a stretchable sheet 42 front stretchable sheet 42f and rear stretchable sheet 42b having elasticity in the direction is provided (see FIG. 5B).
  • a part of the non-stretchable sheet 44 extends outward (upper side) from the outer end (upper end) of the absorbent main body 30 in the longitudinal direction (vertical direction), and extends in the longitudinal direction at a predetermined position 40et in the longitudinal direction.
  • the folded-back portion 45 is joined in a state of being laminated on the skin side of the non-stretchable sheet 44 and the absorbent main body 30. Further, the predetermined position 40et in which the non-stretchable sheet 44 is folded back is also referred to as an upper end 40et of the exterior body 40.
  • the folded portion 45 may be a sheet member different from the non-stretchable sheet 44. That is, the folded portion 45 is not formed by folding the non-stretchable sheet 44 at the upper end 40et, but may be formed by a sheet member such as a non-woven fabric that is separate from the non-stretchable sheet 44.
  • the outer body 40 in the unfolded state is arranged so as to cover the non-skin side surface of the absorbent body 30 in the thickness direction, and the shorts type napkin in the unfolded state is arranged. 3 is generated. That is, the non-skin side surface of the absorbent main body 30 is used as a joint surface, and the joint surface is placed at a predetermined position on the unfolded exterior body 40 and joined.
  • the absorbent main body 30 and the exterior body 10 are folded in half with the center line CL in the longitudinal direction as a crease.
  • the pair of ventral end portions 40fR and the dorsal side in the width direction of the ventral waist circumference portion 40f are provided by the joint portions 40es along the vertical direction in each of the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b.
  • a pair of dorsal end portions 40bA in the width direction of the waist circumference portion 40b are joined to each other.
  • ventral waist circumference portion 40f and the dorsal waist circumference portion 40b are connected in an annular shape to form one waist circumference opening 3a and a pair of leg circumference openings 3b and 3b as shown in FIG. It becomes 3.
  • a known joining method such as an adhesive, a heat seal, an ultrasonic seal, or a combination thereof can be exemplified.
  • the absorbent main body 30 of the shorts type napkin 3 has a plan view in which the longitudinal direction (that is, the long side direction of the absorbent main body 30) in the expanded and extended state is along the vertical direction of the shorts type napkin 3. It is rectangular.
  • the absorbent main body 30 includes an absorbent core 32 along the longitudinal direction (vertical direction), a top sheet 34 arranged on the skin side of the absorbent core 32, and an absorbent core. It has a back sheet 35 arranged on the non-skin side of 32.
  • the absorbent core 32 is formed by molding a liquid absorbent material into a predetermined shape.
  • the absorbent core 32 has a substantially rectangular shape in a plan view (FIG. 4), and the central portion in the longitudinal direction is convex in a cross-sectional view. It is formed into a portion shape (middle and high portion 32na shown in FIG. 5B, which will be described later).
  • the outer peripheral surface of the absorbent core 32 may be covered with a liquid-permeable sheet member (core wrap sheet 32a) such as tissue paper or non-woven fabric.
  • liquid-absorbent material similarly to the absorber 20 of the sanitary auxiliary pad 2, a liquid-absorbent fiber such as pulp fiber containing a highly absorbent polymer (so-called SAP) or the like can be exemplified.
  • SAP highly absorbent polymer
  • the top sheet 34 is a liquid-permeable sheet member that can come into contact with the wearer's skin when worn, and is formed of, for example, a hydrophilic air-through non-woven fabric, a spunbonded non-woven fabric, or the like. Further, the top sheet 34 may have a configuration of two or more layers. For example, a second sheet, which is a sheet member having almost the same function and configuration as the top sheet 34, may be provided on the non-skin side of the top sheet 34.
  • the back sheet 35 is a liquid-impermeable and moisture-permeable sheet 35a for suppressing the leakage of excretory liquid such as menstrual blood absorbed by the absorbent core 32 to the outside, and the back sheet 35 on the non-skin side of the sheet 35a. It is formed of a two-layer structure comprising an arranged liquid permeable sheet 35b.
  • a resin film such as a polyethylene film or a polypropylene film is used
  • the liquid-permeable sheet 35b for example, a flexible non-woven fabric or the like is used.
  • the size of the top sheet 34 and the size of the back sheet 35 are both large enough to cover the entire absorbent core 32.
  • the back sheet 35 is provided with a pair of three-dimensional gathered portions 50 that can stand on the skin side in the thickness direction along the longitudinal direction on both side portions in the width direction of the absorbent main body 30. ..
  • the liquid permeable sheet 35b has a larger plane size in the width direction than the top sheet 34 and the absorbent core 32, and both sides of the sheet 35b in the width direction are at both ends in the width direction of the absorbent body 30.
  • the fulcrum 50B is used as a bending starting point, and the fulcrum 50B is bent toward the skin in the thickness direction.
  • a portion 50 is formed (see FIG. 5A).
  • a three-dimensional gather elastic member 51 such as a rubber thread along the longitudinal direction of the absorbent body 30 is arranged at the apex 50S of the three-dimensional gather portion 50 in a state of being extended in the longitudinal direction. The elasticity of the three-dimensional gather elastic member 51 causes the apex 50S to stand up on the wearer's skin side.
  • the joint portion 50A functions as a base end portion that cannot stand up in the thickness direction of the three-dimensional gather portion 50, and stands up on the skin side in the thickness direction by the three-dimensional gather elastic member 51 with the base end portion (50A) as a fulcrum.
  • a possible upright portion (50S) is provided.
  • the three-dimensional gather portion 50 can function as a leak-proof wall for suppressing lateral leakage of excrement and the like.
  • the three-dimensional gather portion 50 is not limited to being formed by the back sheet 35. For example, by stacking another sheet on both side portions in the width direction of the top sheet 34 from the skin side, a pair of three-dimensional gather portions 50 can be formed. It may be formed.
  • an inseam thread rubber 60 (hereinafter, also referred to as a central elastic member 60) that can be expanded and contracted in the longitudinal direction is provided between the liquid impermeable sheet 35a and the liquid permeable sheet 35b in the thickness direction.
  • the central elastic member 60 is provided in the central portion in the width direction of the absorbent main body 30 from the front side where the lower abdomen abuts to the rear side where the buttocks abut through the crotch portion. ..
  • the length of the central elastic member 60 in the longitudinal direction is not limited to this, and may be provided at least in the inseam 40 m facing the inseam of the wearer.
  • a plurality of squeezed portions 48 extending along the longitudinal direction of the absorbent body 30 are formed.
  • the squeezing portion 48 is provided so that when the wearer wears the shorts-type napkin 3, the absorbent body 30 is deformed along the wearer's body (so as to be a crease of the deformation), and FIG.
  • the absorbent body 30 (absorbent core 32) has a concave shape recessed from the skin side to the non-skin side on the skin side.
  • the concave shape of the squeezing portion 48 is formed, for example, by squeezing the absorbent body 30 (absorbent core 32) from the skin side, and the density of the absorbent core 32 is higher than the density around the squeezing groove. It has become.
  • a middle / high portion 32na thicker than the surroundings is provided in the central region which is the central portion in the longitudinal direction of the absorbent core 32.
  • the central region of the absorbent core 32 in the longitudinal direction is a portion facing the vaginal opening, and the thicker the absorbent core 32 in the region makes it easier to adhere to the vaginal opening.
  • FIG. 6 is a schematic plan view showing a state in which the sanitary auxiliary pad 2 is attached to the skin side surface of the shorts type napkin 3.
  • the sanitary auxiliary pad 2 is attached to and detached from the skin side surface of the shorts-type napkin 3 formed in a curved surface.
  • the sanitary auxiliary pad 2 is attached to and detached from the shorts-type napkin 3 in a flat state.
  • FIG. 7 is a diagram illustrating a state of the sanitary auxiliary pad 2 when the sanitary auxiliary pad 2 is attached and the shorts type napkin 3 is worn.
  • FIG. 8 is a diagram illustrating a wearing state of the wearer's abdomen side and crotch side when the shorts type napkin 3 is worn with the sanitary auxiliary pad 2 attached.
  • the non-skin side surface of the sanitary auxiliary pad 2 is covered with the shorts-type napkin so that the longitudinal direction of the sanitary auxiliary pad 2 and the longitudinal direction of the shorts-type napkin 3 are aligned. Place it on the side of the skin of 3. Then, the locking member 25 provided on the non-skin side surface of the sanitary auxiliary pad 2 is pressed against the top sheet 34 of the shorts type napkin 3 to pressurize from the skin side to the non-skin side to fix both.
  • the plurality of locking members 25 are provided by the following configuration.
  • the longitudinal dimension of the sanitary auxiliary pad 2 is divided into three equal parts to form an anterior region 2f, a longitudinal central region 2m, and a posterior region 2b, in the width direction of the sanitary auxiliary pad 2.
  • the central region is the width center region 2w
  • the regions on both sides so as to sandwich the width center region 2w are the side regions 2s and 2s.
  • Is provided with hook members (locking protrusions) 25a as a plurality of locking members 25, respectively, and adhesive portions 25b as a plurality of locking members 25 are provided in the bilateral portions 2s and 2s in the longitudinal direction. Each is provided along the line.
  • the region 2X where the longitudinal central region 2m and the width central region 2w overlap is a region in which none of the plurality of locking members 25 exists.
  • the hook material 25a is hooked on the non-woven fabric fiber of the top sheet 34 provided on the skin side surface of the shorts type napkin 3 and bonded to the shorts type napkin 3 so that the non-skin side surface of the sanitary auxiliary pad 2 is attached. It is fixed to the side of the skin and does not easily shift.
  • the adhesive portion 25b is a region to which an adhesive such as a hot melt adhesive is applied, and by providing the adhesive portions 25b on both sides in the width direction, the sanitary auxiliary pad 2 is more firmly fixed and the wearer. Can give a sense of security.
  • the region 2X where the longitudinal central region 2m and the width central region 2w overlap is a portion in close contact with the vaginal opening, and by not providing the locking member 25 in such a region 2X, it is linked to the movement of the shorts type napkin 3. It will be easier to do.
  • the number and arrangement positions of the hook material 25a and the adhesive portion 25b are not limited to this.
  • the shorts-type napkin 3 When considering the use of the shorts-type napkin 3 as in the present embodiment during the daytime, the shorts-type napkin should be replaced, especially when going out, as compared with the case of putting on and taking off in the toilet of each household. Often felt difficult.
  • the liquid such as menstrual blood excreted from the wearer's body is mainly absorbed by the sanitary auxiliary pad 2, so that the shorts-type napkin 3 is used. Hard to get dirty. Then, after the menstrual auxiliary pad 2 has absorbed a predetermined amount of menstrual blood, the physiological auxiliary pad 2 can be removed from the shorts type napkin 3 and replaced with a new menstrual auxiliary pad 2.
  • the shorts type napkin 3 can be easily replaced. Further, by replacing only the sanitary auxiliary pad 2 a plurality of times, the frequency of replacement of the shorts-type napkin 3 itself is reduced, and the shorts-type napkin 3 can be made to last longer.
  • Each locking member 25 is peeled off from the top sheet 34 of the shorts type napkin 3 by grasping the front end in the longitudinal direction of the shorts and pulling it toward the rear.
  • the menstrual auxiliary pad 2 may be removed by pulling it from one side in the width direction to the other side.
  • auxiliary pads may be attached to the menstrual napkins in order to suppress leakage and improve fit, but the auxiliary pads cannot be linked well to the deformation of the menstrual napkins when worn.
  • the absorber 20 of the sanitary auxiliary pad 2 attaches the sanitary auxiliary pad 2 to the skin side surface of the shorts-type napkin 3, and further pulls up the shorts-type napkin 3.
  • the sanitary auxiliary pad 2 When worn by the shorts type napkin 3, at least a part of the central portion in the width direction in the longitudinal direction becomes convex toward the skin in the thickness direction (P portion in FIG. 7). It is configured as follows. When the sanitary auxiliary pad 2 is pushed by the shorts-type napkin 3, it becomes convex toward the skin, so that it can be linked to the movement of the shorts-type napkin 3, and there is a gap between the skin and the sanitary auxiliary pad 2. It does not occur, and the sanitary auxiliary pad 2 can be fitted to the vaginal opening to prevent leakage.
  • the abdomen of FIG. 8 is out of the central portion in the width direction of the sanitary auxiliary pad 2.
  • at least the anterior region in the longitudinal direction is flatter than the central region in the longitudinal direction (see the crotch side in FIG. 8).
  • the flat front region allows the front region to come into contact with the surface along the shape of the wearer's body, and the fit is improved.
  • the central region of the sanitary auxiliary pad 2 in the longitudinal direction needs to fit the pad firmly to the vaginal opening, as shown by the crotch portion in FIG. 8, it becomes convex toward the skin side from the anterior region. It is preferable to have.
  • the rigidity of the region that is, the region of P in FIG. 7 that becomes convex when the shorts-type napkin 3 is pulled up and worn is the absorption of the shorts-type napkin 3.
  • the rigidity is lower than the rigidity of the region where the sanitary auxiliary pad 2 is pushed so as to be convex.
  • the "region of the absorbent core 32 that pushes the physiological auxiliary pad 2 so as to be convex” is the convex region (P) of the physiological auxiliary pad 2 of FIG. 7 in the absorbent core 32 when worn. It is the area facing the.
  • the rigidity value of the convex region (P) of the absorber 20 of the sanitary auxiliary pad 2 and the portion of the absorbent core 32 facing the convex region (P) for example, a value measured by Garley stiffness is sampled.
  • An example is an example of a value divided by the length of a piece.
  • the garley stiffness and softness can be measured according to JIS-L1096 using, for example, a No. 311 garley type flexibility tester manufactured by Yasuda Seiki Seisakusho Co., Ltd.
  • the region (P) in which the absorber 20 of the sanitary auxiliary pad 2 is convex toward the skin in the thickness direction is a portion that abuts on the vaginal opening of the wearer, and the rigidity of the convex region (P).
  • a low value it is easy to follow the movement of the shorts type napkin 3 and it is easy to have a convex shape on the skin side. As a result, the fit to the vaginal opening is improved and leakage is less likely to occur.
  • the length in the thickness direction of the region that is, the region of P in FIG. 7 that becomes convex when the shorts type napkin 3 is pulled up and worn (so-called absorber).
  • Thin of 20 is from the length in the thickness direction of the region where the sanitary auxiliary pad 2 is pushed so as to be convex (so-called thickness of the absorbent core 32) in the absorbent core 32 of the shorts type napkin 3. Is also short (thin).
  • the thickness of the convex region (P) of the sanitary auxiliary pad 2 and the region of the absorbent core 32 facing the convex region (P) is such that each sample surface is cut vertically in the thickness direction, and the cut surface is cut by, for example, a microscope. Can be measured by observing. Even with this thickness, in the present embodiment, it is only necessary to confirm the magnitude relationship between the thickness of the absorber 20 and the absorbent core 32, so that it is not necessary to obtain an exact value, and even if there is some error in the measured value. Permissible.
  • the region (P) in which the absorber 20 of the sanitary auxiliary pad 2 is convex toward the skin in the thickness direction is a portion that abuts on the vaginal opening of the wearer, and the thickness of the convex region (P).
  • the thinness makes it easier to follow the movement of the shorts-type napkin 3 that deforms according to the curve of the wearer's body. Thereby, the fit to the vaginal opening can be improved.
  • the maximum length (maximum thickness) in the thickness direction of the absorber 20 of the sanitary auxiliary pad 2 that can be measured by the same method is a pair of three-dimensional gathers of the absorbent body 30 when the shorts type napkin 3 is worn. It is shorter than the height of the most upright portion of the portion 50 (so-called maximum upright height). If the maximum upright height of the pair of three-dimensional gathered portions 50 provided on the shorts-type napkin 3 on the side to be attached is higher than the maximum thickness of the absorber 20 of the sanitary auxiliary pad 2, if it is for menstruation. Even when the auxiliary pad 2 cannot completely absorb the menstrual blood, the leakage of the menstrual blood can be blocked by the three-dimensional gather portion 50. Therefore, the sanitary auxiliary pad 2 can be fitted to the vaginal opening to prevent leakage while ensuring the lateral leakage prevention function of the three-dimensional gather portion 50.
  • both ends 2e and 2e (see FIG. 2) of the sanitary auxiliary pad 2 in the width direction are a pair of three-dimensional gathers of the shorts type napkin 3. It is preferably located inside the base end portions 50A and 50A (FIG. 5A) of the portion 50 in the width direction.
  • the sanitary auxiliary pad 2 causes the three-dimensional gather portion 50 to stand up. May interfere.
  • the length of the sanitary auxiliary pad 2 in the width direction is shorter, so that the function of the three-dimensional gather portion 50 as a leak-proof wall can be maintained without hindering the standing of the three-dimensional gather portion 50. can.
  • the width of the sanitary auxiliary pad 2 is larger than the length between the standing portions 50S and 50S in the width direction of the pair of three-dimensional gather portions 50.
  • the length in the direction is shorter.
  • the region where the three-dimensional gather portion 50 stands is an absorption region for menstrual blood and the like, and the three-dimensional gather portion 50 prevents leakage.
  • the length of the sanitary auxiliary pad 2 in the width direction is shorter than the length between the standing portions 50S and 50S of the three-dimensional gather portion 50, so that the sanitary auxiliary pad 2 is overlapped with the three-dimensional gather portion 50 at the time of attachment. Can be installed without any need. This makes it easier to attach the sanitary auxiliary pad 2 and allows it to be attached correctly.
  • the relationship between the length of the absorbent body 30 of the shorts-type napkin 3 of the present embodiment and the length of the sanitary auxiliary pad 2 in each longitudinal direction is as follows.
  • the absorbent main body 30 of the shorts type napkin 3 has a central elastic member 60 that can be expanded and contracted in the longitudinal direction at the central portion in the width direction of the lower crotch 40 m, but in a natural state (in the shorts type state before mounting). ),
  • the length (overall length) of the sanitary auxiliary pad 2 in the longitudinal direction is configured to be shorter than the length (overall length) of the absorbent body 30 in the longitudinal direction (see FIG. 6).
  • the sanitary auxiliary pad 2 since the sanitary auxiliary pad 2 is accommodated in the absorbent main body 30, the elastic force of each central elastic member 60 of the absorbent main body 30 is easily propagated to the sanitary auxiliary pad 2. Therefore, the sanitary auxiliary pad 2 tends to be convex toward the skin.
  • the length (total length) in the longitudinal direction of the sanitary auxiliary pad 2 is the absorbent core 32 of the absorbent body 30 of the shorts-shaped napkin 3. It is configured to be shorter than the length (total length) in the longitudinal direction of.
  • the length of the sanitary auxiliary pad 2 in the longitudinal direction is shorter than the length of the absorbent body 30, and more preferably shorter than the length of the absorbent core 32, so that the central elastic member 60 is used.
  • the elastic force of the physiologic auxiliary pad 2 is transmitted to the sanitary auxiliary pad 2, and it becomes easy to form a convex shape on the skin side.
  • the central elastic member 60 has such an overlapping portion, the attached sanitary auxiliary pad 2 is easily pushed by the shorts-type napkin 3 and becomes convex toward the skin due to the contraction of the central elastic member 60.
  • the absorber 20 of the sanitary auxiliary pad 2 fits into the vaginal opening and can be prevented from leaking.
  • the posterior side of the shorts-type napkin 3 in the longitudinal direction is a portion that abuts on the wearer's buttocks, and the rear end 60be of the central elastic member 60 of the shorts-type napkin 3 is longer than the rear end of the sanitary auxiliary pad 2. Being located on the posterior side in the direction, the buttocks are more likely to fit due to the contraction of the central elastic member 60.
  • the front and back in the longitudinal direction of the sanitary auxiliary pad 2 The end is located inside the longitudinal front end 60fe (FIG. 4) and the rear end 60be of the portion of the central elastic member 60 that exhibits elasticity.
  • the entire longitudinal direction of the sanitary auxiliary pad 2 fits inside the stretchable portion of the central elastic member 60 of the shorts type napkin 3, so that the contractile force of the central elastic member 60 propagates to the entire area of the sanitary auxiliary pad 2. , It tends to be convex toward the skin in the thickness direction. As a result, the sanitary auxiliary pad 2 can be more easily fitted to the vaginal opening and menstrual blood can be made less likely to leak.
  • the length of the sanitary auxiliary pad 2 in the longitudinal direction is from the inner end in the longitudinal direction of the joint portion 40es of the ventral waist circumference portion 40f to the dorsal waist circumference. It is preferable that the length of the joint portion 40es of the portion 40b is shorter than the length L1 to the inner end in the longitudinal direction.
  • the space between the medial ends in the longitudinal direction of the joint portions 40es of the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b is It is an area that is relatively easy to move freely and easy to install. Since the dimension of the sanitary auxiliary pad 2 in the longitudinal direction is shorter than that of such a region, the sanitary auxiliary pad 2 can be more easily attached.
  • the length (total length) in the longitudinal direction of the sanitary auxiliary pad 2 is the length L2 (so-called effective length) in the longitudinal direction of the portion of the three-dimensional gather elastic member 51 that exhibits elasticity.
  • the length of the sanitary auxiliary pad 2 in the longitudinal direction may be shorter than the length L2.
  • the sanitary auxiliary pad 2 is within the range of the length in which the three-dimensional gather portion 50 functions. As a result, even if a leak occurs from the sanitary auxiliary pad 2, it can be blocked by the three-dimensional gather portion 50. Further, by shortening the length of the sanitary auxiliary pad 2, it becomes easier to attach the sanitary auxiliary pad 2 at the time of use, and it can be correctly attached.
  • the back sheet 24 of the sanitary auxiliary pad 2 of the present embodiment is locked to the shorts-type napkin 3 at the center in the width direction when attached to the shorts-type napkin 3. It has a region where the locking member 25 does not exist. That is, as shown in FIG. 2, in the width central region 2w of the sanitary auxiliary pad 2, the portion other than the hook member 25a is a region where the locking member 25 does not exist. Thereby, when the shorts type napkin 3 is worn by attaching the sanitary auxiliary pad 2, it is possible to prevent the expansion and contraction of the central elastic member 60 of the shorts type napkin 3 from being hindered. Due to the contraction of the central elastic member 60, the sanitary auxiliary pad 2 can be more fitted to the vaginal opening and less likely to leak.
  • the hook material 25a (see FIG. 2) provided on the non-skin side surface of the sanitary auxiliary pad 2 is attached to the shorts type napkin.
  • the hook material 25a is embossed.
  • the surface of the embossed hook material 25a is uneven, so that the entire surface of the hook material 25a is not joined to the skin side surface (top sheet 34) of the shorts type napkin 3. If the entire surface of the hook material 25a is joined to the top sheet 34, the top sheet 34 may be peeled off when the sanitary auxiliary pad 2 is peeled off, but the embossing makes it easier to peel off.
  • the absorber 20 of the sanitary auxiliary pad 2 may have a squeezing portion extending along the longitudinal direction at least behind the central portion in the longitudinal direction.
  • the squeezed portion may be formed so that the top sheet 21, the intermediate sheet 22, and the absorber 20 are squeezed from, for example, the skin side in the thickness direction to form a dented state.
  • the sanitary auxiliary pad 2 When the sanitary auxiliary pad 2 is pushed by the shorts-type napkin 3 at the time of wearing, the sanitary auxiliary pad 2 tends to be convex toward the skin from such a squeezed portion.
  • the posterior side of the sanitary auxiliary pad 2 in the longitudinal direction is a portion that abuts on the buttocks, and the squeezed portion tends to be convex, so that the fit of the buttocks can be improved.
  • the sanitary auxiliary pad 2 of the present embodiment has a substantially oval shape in a plan view, but by having such a shape, the front end and the rear of the sanitary auxiliary pad 2 are formed when the shorts type napkin 3 is attached. When looking at the side edges, the center in the width direction is easy to see and easy to install. Further, when attached to the shorts type napkin 3, it is possible to prevent the front end portion and the rear end portion in the longitudinal direction of the sanitary auxiliary pad 2 from riding on the three-dimensional gather portion 50.
  • FIG. 9A is a schematic plan view of the unfolded sanitary auxiliary pad 2 having the packaging material 70 as viewed from the skin side
  • FIG. 9B is a diagram showing the sanitary auxiliary pad 2 in the individually packaged state.
  • the packaging material 70 is a sheet-shaped packaging member that individually wraps the sanitary auxiliary pad 2, and is a member that is removed when the sanitary auxiliary pad 2 is used.
  • the material of the packaging material 70 for example, various films such as a plastic film and a nylon film, a non-woven fabric, a film laminated with a non-woven fabric, and the like can be used.
  • the packaging material 70 is provided with a peeling sheet 74 that covers the locking member 25 of the back sheet 24 of the sanitary auxiliary pad 2 from the non-skin side in the thickness direction. At least a part is adhered by an adhesive or the like (not shown). Depending on the material of the locking member 25 of the sanitary auxiliary pad 2, the release sheet 74 may not be provided.
  • the sanitary auxiliary pad 2 is provided in the width direction of the packaging material 70 in the folding line FL1 extending along the longitudinal direction at a predetermined position in the width direction while the packaging material 70 includes the sanitary auxiliary pad 2 in the individually packaged state.
  • One end 70s1 is folded inward in the width direction, and the other end 70s2 is folded inward in the width direction so as to cover the folded one end 70s1 from the skin side in the thickness direction in the folding line FL2.
  • the adhesive is fixed along the longitudinal direction by the weak adhesive force of the adhesive portion 73 coated with the adhesive.
  • one end portion 70e1 in the longitudinal direction of the packaging material 70 is folded inward in the longitudinal direction, and the folding extending along the width direction is performed.
  • the other end portion 70e2 in the longitudinal direction of the packaging material 70 is folded in three in the longitudinal direction so as to cover the folded end portion 70e1 from the skin side in the thickness direction. It is fixed by the fixing tape 71 (see FIG. 9B).
  • the position and folding method of the folding line of the sanitary auxiliary pad 2 are not limited to this, and the individual packaging state can be achieved by any folding method.
  • one of the hook members 25a among the plurality of locking members 25 provided on the non-skin side surface of the back sheet 24 is one of the above-mentioned fold lines. It is provided in front of the frontmost fold line in the longitudinal direction (that is, the fold line FL4), and the other side of the hook member 25a is the rearmost fold line in the longitudinal direction (that is, the fold line FL3). It is provided on the rear side of the. If the fold line and the locking member 25 overlap, the fold line portion becomes hard when the sanitary auxiliary pad 2 is folded, and it becomes easy to have a fold habit.
  • the front-rear end region of the sanitary auxiliary pad 2 in the longitudinal direction has a flat shape rather than the central portion in the longitudinal direction in order to fit the body.
  • a plurality of locking members 25 are provided on the non-skin side surface of the back sheet 24 of the sanitary auxiliary pad 2 in the front region 2f, the posterior region 2b, and the bilateral regions 2s and 2s (FIG. 2). It was, but it is not limited to this.
  • 10A and 10B show a modified example of the arrangement of the locking member 25. In the modified example of FIG. 10A, only the hook member 25a as the locking member 25 is provided intermittently at intervals in the longitudinal direction.
  • the central portion of the back sheet 24 on the non-skin side surface in the width direction there is a region where a locking member 25 (25a) that is locked to the shorts-type napkin 3 when attached to the shorts-type napkin 3 exists. There is an area that does not exist.
  • the central portion of the back sheet 24 in the width direction is a region having a portion overlapping with the central elastic member 60 of the shorts-type napkin 3 when viewed in the thickness direction when attached to the shorts-type napkin 3.
  • the central elastic member 60 between the hook members 25a The sanitary auxiliary pad 2 easily interlocks with the movement of the shorts type napkin 3 without inhibiting the contraction. As a result, the sanitary auxiliary pad 2 fits the vaginal opening more and is less likely to leak. Further, by forming only the hook material 25a, the sanitary auxiliary pad 2 can be easily attached to and detached from the shorts type napkin 3. Further, since the hook material 25a (hook-and-loop fastener) does not easily lose its binding force even if the attachment / detachment operation is repeated, the position of the sanitary auxiliary pad 2 at the time of attachment can be easily adjusted.
  • both ends of the back sheet 24 in the width direction are regions where the central elastic member 60 of the shorts-type napkin 3 is not arranged when viewed in the thickness direction when attached to the shorts-type napkin 3 (see FIG. 6). .. That is, when the plurality of locking members 25 (hook members 25a) are attached to the shorts type napkin 3, they are arranged at positions that do not overlap with the central elastic member 60 when viewed in the thickness direction.
  • the locking member 25 (hook material 25a) is arranged at a position that does not overlap with the central elastic member 60 when viewed in the thickness direction, when the sanitary auxiliary pad 2 is attached and the shorts type napkin 3 is worn. , It is possible to prevent the expansion and contraction of the central elastic member 60 from being hindered.
  • the sanitary auxiliary pad 2 tends to be convex toward the skin due to the contraction of the central elastic member 60 of the shorts type napkin 3, and can be more fitted to the vaginal opening to prevent leakage.
  • FIG. 11 is a plan view of the shorts type napkin 3 in the unfolded state according to the modified example.
  • the exterior body 40 does not have the elastic sheet 42, and has the waist elastic member 46 and the leg elastic member 47 between two sheets made of a non-woven fabric or the like. It is different from the shorts type napkin 3 of the embodiment.
  • the parts different from the above-described embodiment of the present invention will be mainly described, and the same parts as those of the above-mentioned embodiments shown in FIGS. 1 to 9 have the same numbers, and there is no particular description.
  • the portion is the same as that of the above-described embodiment.
  • the exterior body 40 in the modified example of FIG. 11 has a skin-side sheet 49 arranged on the skin side and a non-skin-side sheet (not shown) arranged on the non-skin side of the skin-side sheet 49. ..
  • the skin-side sheet 49 and the non-skin-side sheet can be formed of, for example, a spunbonded non-woven fabric, an SMS non-woven fabric (spunbond, meltblown, spunbonded non-woven fabric) or the like.
  • the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b of the exterior body 40 are provided with a plurality of waist circumference elastic members 46 such as thread rubbers that can be expanded and contracted in the width direction side by side in the vertical direction.
  • the plurality of waistline elastic members 46 are provided so as to be sandwiched between the skin side sheet 49 and the non-skin side sheet in a state of being extended in the width direction, respectively.
  • the dorsal waist circumference portion 40b is provided with elasticity in the width direction.
  • the exterior body 10 is provided with a plurality of elastic members around the legs 47 between the skin side sheet 49 and the non-skin side sheet (not shown).
  • the leg elastic member 47 on the ventral waist circumference 40f side is the ventral leg elastic member 47a
  • the leg elastic member 47 on the dorsal waist circumference 40b side is the dorsal leg elastic member 47.
  • the leg elastic member 47 may be provided on at least one of the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b.
  • ventral leg circumference elastic member 47a (dorsal leg circumference elastic member 47b) is provided from both side end portions 40fR, 40fR (40bA, 40bA) of the ventral waist circumference portion 40f (dorsal waist circumference portion 40b) in the width direction. At least a part thereof is provided along the leg circumference opening 3b toward the inside of the lower crotch 40 m. Specifically, from the both side end portions 40fR, 40fR (40bA, 40bA), toward the inside in the longitudinal direction and the inside in the width direction of the ventral waist circumference portion 40f (dorsal waist circumference 40b), along the leg circumference opening 3b.
  • ventral leg circumference elastic member 47a (dorsal leg circumference elastic member 47b) is arranged so as to straddle (cross) the absorbent main body 30 of the shorts type napkin 3 along the width direction.
  • the ventral leg circumference elastic member 47a (dorsal leg circumference elastic member 47b) straddles the absorbent main body 30, as shown in FIG. 11, the ventral leg circumference elastic member 47a (dorsal leg circumference)
  • the elastic members 47b) are continuously provided, they may be arranged intermittently.
  • the dorsal leg circumference elastic member 47b has a portion curved to the ventral side in the central portion in the width direction of the exterior body 40 beyond the central CL in the longitudinal direction of the exterior body 40. Further, the ventral leg circumference elastic member 47a and the dorsal leg circumference elastic member 47b intersect at the lower crotch portion 40 m, but the present invention is not limited to this. The ventral leg circumference elastic member 47a and the dorsal leg circumference elastic member 47b do not have to intersect, and the dorsal leg circumference elastic member 47b does not have to extend beyond the central CL in the longitudinal direction to the ventral side. good.
  • two thread rubbers are provided as the ventral leg circumference elastic member 47a and the dorsal leg circumference elastic member 47b, respectively, but the present invention is not limited to this, and one or more threads are provided as an example. It may be rubber, an elastic film, a non-woven fabric having elasticity, or the like, and is joined and fixed by an adhesive such as a hot melt adhesive in a stretched state.
  • the sanitary auxiliary pad 2 and the leg circumference elastic member 47 (ventral leg circumference elastic member 47a, dorsal leg circumference elastic member 47b) are attached. ) And the like have a portion that overlaps with each other in the thickness direction.
  • the leg circumference elastic member 47 By having the leg circumference elastic member 47, the pullability of the shorts type napkin 3 is improved by the contraction of the leg circumference elastic member 47, and further, by overlapping with the sanitary auxiliary pad 2, the sanitary auxiliary pad 2 becomes the shorts type napkin 3. It is easy to be pushed to the skin side and become convex. Therefore, it is possible to suppress a gap that tends to occur between the sanitary auxiliary pad 2 and the wearer's skin.
  • the sanitary auxiliary pad 2 and the leg circumference elastic member 47 are thick.
  • the configuration may not overlap when viewed in the direction.
  • the leg elastic member 47 by providing the leg elastic member 47, the pullability of the shorts type napkin 3 is improved, and by not overlapping with the leg elastic member 47, the sanitary auxiliary pad 2 shrinks or wrinkles in the width direction. Occurrence can be suppressed. Therefore, the sanitary auxiliary pad 2 can form a beautiful convex shape on the skin side and improve the fit of the inseam.
  • the rigidity of the region (region P in FIG. 7) that becomes convex when the shorts-type napkin 3 is pulled up and worn is the shorts-type in the absorber 20 of the sanitary auxiliary pad 2.
  • the rigidity was lower than the rigidity of the region where the sanitary auxiliary pad 2 was pushed so as to be convex, but the present invention is not limited to this.
  • the rigidity of the convex region (region P in FIG. 7) of the sanitary auxiliary pad 2 may be higher.
  • the sanitary auxiliary pad 2 may be provided with a crease that is convex toward the skin in advance along the longitudinal direction, and may be used by attaching it to the shorts-type napkin 3 in a state where it is returned to a flat state.
  • front and rear ends of the sanitary auxiliary pad 2 in the longitudinal direction may be embossed or the like so that when the shorts-type napkin 3 is pulled up, it is pushed by the shorts-type napkin 3 to easily form a convex shape.
  • the sanitary auxiliary pad 2 may have a functional substance such as a cooling sensation agent or a warming sensation agent. Since the sanitary auxiliary pad 2 is a portion that comes into direct contact with the skin when attached to the shorts-type napkin 3, it is easy to directly give the effect of the functional substance to the skin by having the functional substance. Therefore, it can be fitted to the vaginal opening while ensuring the effect of the functional substance.
  • a functional substance such as a cooling sensation agent or a warming sensation agent.
  • the absorbent core 32 of the absorbent body 30 of the shorts type napkin 3 has a substantially rectangular shape in a plan view, but it is located between both ends in the longitudinal direction in the width direction from both ends. It may have a shape having a constricted portion having a narrow width. The constricted portion corresponds to the crotch portion of the wearer, and by narrowing the width of the crotch portion, the three-dimensional gather portion 50 can easily stand up.
  • a sanitary auxiliary pad 2 that has a longitudinal direction, a width direction, and a thickness direction that intersect each other and is used by being attached to the skin side surface of an absorbent article 3 (shorts type napkin 3), and is a liquid-absorbing absorbent.
  • the body 20 is provided, and the absorbent body 20 is pushed by the absorbent article 3 when the sanitary auxiliary pad 2 is attached to the skin side surface of the absorbent article 3 and the absorbent article 3 is pulled up and worn.
  • the sanitary auxiliary pad 2 is characterized in that at least a part of the central portion in the width direction in the longitudinal direction is configured to be convex toward the skin in the thickness direction.
  • the auxiliary pad 2 can be fitted to the vaginal opening to make it more difficult to leak.
  • the front area of the sanitary auxiliary pad 2 is flat, the front area can come into contact with the surface along the shape of the wearer's body, and the fit is improved.
  • the central region needs to fit the pad firmly to the vaginal opening, it is preferable that the central region is convex toward the skin side rather than the anterior region.
  • the absorbent body 30 of the absorbent article 3 has a liquid-absorbing absorbent core 32, and becomes convex when the absorbent article 3 is pulled up and worn among the absorbers 20 of the sanitary auxiliary pad 2.
  • the sanitary auxiliary pad 2 is characterized in that the rigidity of the region (P) is lower than the rigidity of the region of the absorbent core 32 of the absorbent article 3 that pushes the sanitary auxiliary pad 2 so as to be convex.
  • the region (P) in which the absorber 20 of the sanitary auxiliary pad 2 is convex toward the skin in the thickness direction is a portion that abuts on the vaginal opening, and the rigidity of the convex region (P) is increased.
  • it When it is low, it easily follows the movement of the absorbent article 3 and tends to be convex toward the skin. As a result, the fit to the vaginal opening is improved and leakage is less likely to occur.
  • the absorbent body 30 has a liquid-absorbing absorbent core 32, and is a region (P) of the absorbent body 20 of the sanitary auxiliary pad 2 that becomes convex when the absorbent article 3 is pulled up and worn.
  • the length in the thickness direction is shorter than the length in the thickness direction of the region of the absorbent core 32 of the absorbent article 3 for pushing the sanitary auxiliary pad 2 so as to be convex.
  • Auxiliary pad 2 is arranged.
  • the region (P) in which the absorber 20 of the sanitary auxiliary pad 2 is convex toward the skin in the thickness direction is a portion that abuts on the vaginal opening, and the thickness of the convex region (P) is increased.
  • the thinness makes it easier to follow the movement of the absorbent article 3 that deforms according to the curve of the body. Thereby, the fit to the vaginal opening can be improved.
  • a pair of three-dimensional gathered portions 50 are provided on both sides of the absorbent main body 30 in the width direction, and the pair of three-dimensional gathered portions 50 can stand up on the skin side by an elastic member 51 that can be expanded and contracted in the longitudinal direction.
  • the sanitary auxiliary pad 2 is characterized in that the maximum length of the absorbent body 20 of the sanitary auxiliary pad 2 in the thickness direction is shorter than the maximum standing height of the pair of three-dimensional gather portions 50.
  • the sanitary auxiliary pad 2 can be fitted to the vaginal opening to prevent leakage.
  • the absorbent body 30 has a central elastic member 60 that can be expanded and contracted in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer, and the sanitary auxiliary pad 2 is attached to the absorbent article 3.
  • the sanitary auxiliary pad 2 is characterized in that when attached to the side surface of the skin, the absorber 20 and the central elastic member 60 have an overlapping portion when viewed in the thickness direction.
  • the central elastic member 60 of the absorbent article 3 contracts, so that the attached sanitary auxiliary pad 2 is pushed by the absorbent article 3 and tends to be convex toward the skin side, and the absorber 20 of the auxiliary pad 2 is easily formed. Can fit the vaginal opening and prevent leakage.
  • the absorbent body 30 has a central elastic member 60 that can expand and contract in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer, and the sanitary auxiliary pad 2 has a thickness direction.
  • the back sheet 24 is provided on the most non-skin side, and is locked to the absorbent article 3 when attached to the absorbent article 3 at the central portion 2w in the width direction on the non-skin side surface in the thickness direction of the back sheet 24.
  • the sanitary auxiliary pad 2 is characterized in that there is a region in which the stop member 25 does not exist.
  • the expansion and contraction of the central elastic member 60 of the absorbent article 3 can be prevented from being hindered. Due to the contraction of the central elastic member 60, the auxiliary pad 2 can be more fitted to the vaginal opening and less likely to leak.
  • the absorbent body 30 has a central elastic member 60 that can expand and contract in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer, and the sanitary auxiliary pad 2 has a thickness direction.
  • the back sheet 24 is provided on the most non-skin side, and is locked to the absorbent article 3 when attached to the absorbent article 3 at the central portion 2w in the width direction on the non-skin side surface in the thickness direction of the back sheet 24.
  • the sanitary auxiliary pad 2 is characterized in that there is a region in which the stop member 25 exists and a region in which the stop member 25 does not exist.
  • the sanitary auxiliary pad 2 fits the vaginal opening more and is less likely to leak.
  • the sanitary auxiliary pad 2 has a back sheet 24 on the most non-skin side in the thickness direction, and the non-skin side surface of the back sheet 24 in the thickness direction is attached to the absorbent article 3 when attached to the absorbent article 3.
  • a plurality of locking members 25 to be locked are provided, and the sanitary auxiliary pad 2 has at least two folding lines FL3 and FL4 extending along the width direction, and among the plurality of locking members 25.
  • the at least one locking member 25 of the above is provided on the front side of the frontmost folding line FL4 in the longitudinal direction of the folding lines FL3 and FL4, and the at least one locking member 25 of the plurality of locking members 25 is provided.
  • a sanitary auxiliary pad 2 provided on the rear side of the rearmost fold line FL3 in the longitudinal direction among the fold lines FL3 and FL4.
  • the folding line portion becomes hard when the sanitary auxiliary pad 2 is folded, and it becomes easy to have a folding habit. Since the sanitary auxiliary pad 2 is used in an expanded manner, it is difficult for the folding habit to be formed by preventing the folding lines FL3 and FL4 from overlapping with the locking member 25. Further, it is preferable that the anterior-posterior region of the sanitary auxiliary pad 2 has a flat shape rather than the central portion in order to fit the body. By providing the locking members 25 on both outer side portions (front and rear regions) in the longitudinal direction, the front and rear regions tend to have a flat shape, and the fit is improved.
  • the sanitary auxiliary pad 2 has a back sheet 24 on the most non-skin side in the thickness direction, and the non-skin side surface of the back sheet 24 in the thickness direction is attached to the absorbent article 3 when attached to the absorbent article 3.
  • a plurality of locking members 25 to be locked are provided, and the absorbent main body 3 is a central elastic member that can be expanded and contracted in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer. 60, and the plurality of locking members 25 are arranged at positions that do not overlap with the central elastic member 60 when viewed in the thickness direction when attached to the absorbent article 3.
  • Auxiliary pad 2 is provided, and the absorbent main body 3 that can be expanded and contracted in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer.
  • the sanitary auxiliary pad 2 when the sanitary auxiliary pad 2 is attached and the absorbent article 3 is worn, the expansion and contraction of the central elastic member 60 of the absorbent article 3 can be prevented from being hindered. Therefore, the sanitary auxiliary pad 2 tends to be convex toward the skin due to the contraction of the central elastic member 60 of the absorbent article 3.
  • the sanitary auxiliary pad 2 has a back sheet 24 on the most non-skin side in the thickness direction, and the non-skin side surface of the back sheet 24 in the thickness direction is attached to the absorbent article 3 when attached to the absorbent article 3.
  • the sanitary auxiliary pad 2 is provided with a plurality of locking members 25 to be locked, and at least a part of the plurality of locking members 25 is a hook material 25a.
  • the hook material 25a gets caught on the skin side surface of the absorbent article 3 and becomes difficult to come off.
  • the sanitary auxiliary pad 2 is less likely to shift, and the fit to the vaginal opening can be maintained.
  • the sanitary auxiliary pad 2 is characterized in that the hook material 25a is embossed.
  • the embossed hook material 25a has irregularities on the surface, and the entire surface of the hook material 25a does not join to the skin side surface of the absorbent article 3. If the entire surface of the hook material 25a is joined to the skin side surface (top sheet 34), the top sheet 34 may be peeled off when the sanitary auxiliary pad 2 is peeled off. It will be easier.
  • the sanitary auxiliary pad 2 has a back sheet 24 on the most non-skin side in the thickness direction, and the non-skin side surface of the back sheet 24 in the thickness direction is attached to the absorbent article 3 when attached to the absorbent article 3.
  • a plurality of locking members 25 to be locked are provided, and the longitudinal dimension of the sanitary auxiliary pad 2 is divided into three equal parts to form an anterior region 2f, a longitudinal central region 2m, and a posterior region 2b.
  • the width direction dimension of the sanitary auxiliary pad 2 is divided into three equal parts to obtain a width center region 2w and both side region 2s and 2s sandwiching the width center region 2w, the longitudinal center region 2m and the width center region 2w are obtained.
  • the region 2X where the plurality of locking members 25 overlap is a region in which none of the plurality of locking members 25 exists, and the front side region 2f and the rear side region 2b are provided with hook members 25a as the plurality of locking members 25, respectively.
  • the sanitary auxiliary pad 2 is characterized in that the adhesive portions 25b as a plurality of locking members 25 are provided in the bilateral portions 2s along the longitudinal direction, respectively.
  • the hook material 25a provided in the front-rear regions 2f and 2b can prevent the sanitary auxiliary pad 2 from slipping.
  • the portion (2X) where the central regions (2m, 2w) overlap is a portion in close contact with the vaginal opening, the movement of the absorbent article 3 can be easily linked by not providing the locking member 25.
  • the adhesive portions 25b on both sides the sanitary auxiliary pad 2 is firmly fixed, and the wearer can be given a sense of security.
  • the hook material 25a and the adhesive portion 25b having such a configuration the sanitary auxiliary pad 2 can be used not only as an auxiliary pad but also by directly attaching it to underwear when menstrual blood is low. can.
  • a pair of three-dimensional gathered portions 50 are provided along the longitudinal direction on both sides of the absorbent main body 30 in the width direction, and each of the pair of three-dimensional gathered portions 50 is a base end portion 50A that cannot stand up in the thickness direction.
  • an upright portion 50S that can stand up on the skin side in the thickness direction by an elastic member 51 that can expand and contract in the longitudinal direction with the base end portion 50A as a fulcrum, and the sanitary auxiliary pad 2 is attached to the skin of the absorbent article 3.
  • the sanitary auxiliary pad 2 is characterized in that both ends 2e in the width direction of the sanitary auxiliary pad 2 are located inside the proximal end portion 50A in the width direction when attached to the side surface.
  • both ends 2e of the sanitary auxiliary pad 2 in the width direction are longer than the base end portion 50A, the standing of the three-dimensional gather portion 50 may be hindered, but the length of the sanitary auxiliary pad 2 in the width direction. Since the length is shorter, it is possible to suppress the inhibition of the standing of the three-dimensional gather portion 50.
  • the absorbent body 30 has a central elastic member 60 that can be expanded and contracted in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer, and in a natural state, the longitudinal length of the sanitary auxiliary pad 2.
  • the sanitary auxiliary pad 2 characterized in that the length in the direction is shorter than the length in the longitudinal direction of the absorbent body 30.
  • the absorbent body 30 has a central elastic member 60 that can expand and contract in the longitudinal direction at least in the central portion in the width direction of the inseam 40 m facing the inseam of the wearer, and absorbs the sanitary auxiliary pad 2 in a natural state.
  • the longitudinal rear end of the sanitary auxiliary pad 2 is inside the longitudinal rear end 60be of the portion of the central elastic member 60 that exhibits elasticity.
  • a menstrual auxiliary pad 2 characterized by being located in.
  • the posterior side in the longitudinal direction is the portion that abuts on the wearer's buttocks, and the posterior end 60be of the stretchable portion of the central elastic member 60 of the absorbent article 3 is closer than the rear end of the sanitary auxiliary pad 2. Is extended to the rear side in the longitudinal direction, so that the buttocks are more easily fitted by the elastic member 60.
  • the absorbent article 3 has a ventral waist circumference portion 40f and a dorsal waist circumference portion 40b, and the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b have a pair of side end portions 40fR and a dorsal side of the ventral waist circumference portion 40f.
  • Each has a joint portion 40es for joining a pair of side end portions 40bA of the waist circumference portion 40b, and the absorbent article 3 is opened in the longitudinal direction and expanded on a plane by breaking the joint of the joint portions 40es, respectively.
  • the length of the sanitary auxiliary pad 2 in the longitudinal direction is the length from the medial end in the longitudinal direction of the joint portion 40es of the ventral waist circumference portion 40f to the medial end in the longitudinal direction of the joint portion 40es of the dorsal waist circumference portion 40b.
  • Sanitary auxiliary pad 2 characterized by being shorter than.
  • the sanitary auxiliary pad 2 When attaching the sanitary auxiliary pad 2 to the absorbent article 3, it is relatively easy to move and attach between the inner ends of the joint portions 40es of the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b in the longitudinal direction. It is an area. Since the dimension of the sanitary auxiliary pad 2 in the longitudinal direction is shorter than that of such a region, it becomes easier to attach the sanitary auxiliary pad 2.
  • a pair of three-dimensional gathered portions 50 are provided along the longitudinal direction on both sides of the absorbent main body 30 in the width direction, and the pair of three-dimensional gathered portions 50 are provided on the skin side by an elastic member 51 that can be expanded and contracted in the longitudinal direction.
  • the absorbent article 3 has a ventral waist circumference portion 40f and a dorsal waist circumference portion 40b, and the ventral waist circumference portion 40f and the dorsal waist circumference portion 40b are a pair of sides of the ventral waist circumference portion 40f.
  • Each has a joint portion 40es for joining the end portion 40fR and the pair of side end portions 40bA of the dorsal waist circumference portion 40b, and the joint portion 40es is unbonded to open the absorbent article 3 in the longitudinal direction on a plane.
  • the length of the sanitary auxiliary pad 2 in the longitudinal direction is shorter than the length in the longitudinal direction of the elastic member 51 of the pair of three-dimensional gathered portions 50 that exhibits elasticity.
  • the region where the three-dimensional gather portion 50 stands is an absorption region for menstrual blood or the like, and the three-dimensional gather portion 50 prevents leakage, and the sanitary auxiliary pad 2 is the three-dimensional gather portion.
  • the three-dimensional gather portion 50 is within the functional length. Therefore, even if a leak occurs from the sanitary auxiliary pad 2, it can be blocked by the three-dimensional gather portion 50. Further, such a length configuration makes it easy to attach the sanitary auxiliary pad 2 and allows it to be correctly attached.
  • the absorbent article 3 has a ventral girth portion 40f, a dorsal girth portion 40b, and a crotch lower portion 40m, and the ventral girth portion 40f or the ventral girth portion 40f in at least one of the ventral girth portion 40f and the dorsal girth portion 40b. It has a leg circumference elastic member 47 provided at least partly along the leg circumference opening 3b from both side end portions (40fR, 40bA) in the width direction of the dorsal waist circumference portion 40b toward the inside of the crotch lower part 40 m. When the sanitary auxiliary pad 2 is attached to the skin side surface of the absorbent article 3, the sanitary auxiliary pad 2 and the leg circumference elastic member 47 have a portion that overlaps in the thickness direction. Auxiliary pad 2.
  • the elastic member 47 around the leg improves the pulling property of the absorbent article 3, and further overlaps with the sanitary auxiliary pad 2, so that the sanitary auxiliary pad 2 is pushed by the absorbent article 3 to the skin side.
  • the convex area fits the body more at the lower crotch 40 m. Therefore, it is possible to suppress a gap that tends to occur between the sanitary auxiliary pad 2 and the wearer's skin.
  • the absorbent article 3 has a ventral girth portion 40f, a dorsal girth portion 40b, and a crotch lower portion 40m, and the ventral girth portion 40f or the ventral girth portion 40f in at least one of the ventral girth portion 40f and the dorsal girth portion 40b. It has a leg circumference elastic member 47 provided at least partly along the leg circumference opening 3b from both side end portions (40fR, 40bA) in the width direction of the dorsal waist circumference portion 40b toward the inside of the crotch lower part 40 m. When the sanitary auxiliary pad 2 is attached to the skin side surface of the absorbent article 3, the sanitary auxiliary pad 2 and the leg circumference elastic member 47 do not overlap with each other in the thickness direction. Pad 2.
  • the sanitary auxiliary pad 2 can form a beautiful convex shape on the skin side and improve the fit of the inseam 40 m.
  • Absorbent article group 2 Menstrual auxiliary pad, 2b posterior region, 2e widthwise edge, 2f anterior region, 2m longitudinal central region, 2s side area, 2w width center area, 2X area, 3 Absorbent article (shorts type napkin), 3a waist opening, 3b leg opening, 20 absorber, 21 top sheet, 22 intermediate sheet, 23 back film, 24 back sheet, 25 locking member, 25a hook material, 25b adhesive part, 30 absorbent body, 32 absorbent core, 32a core wrap sheet, 32na middle and high part, 34 top sheet, 35 back sheet, 35a liquid permeable sheet, 35b liquid permeable sheet, 40 exterior body, 40b dorsal girth, 40f ventral girth, 40m inseam, 40bA dorsal end, 40fR ventral end, 40es junction, 40et Longitudinal position, upper end 42 elastic sheet, 42f front elastic sheet, 42b posterior elastic sheet, 44 Non-stretchable sheet, non-skin side sheet 45 Folded

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)
  • Mechanical Engineering (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

Groupe d'articles absorbants comprenant : un article absorbant dont le sens de la longueur, le sens de la largeur et le sens de l'épaisseur se croisent, et ayant un corps absorbant qui absorbe les liquides; et un tampon menstruel supplémentaire qui est utilisé en étant fixé à une surface de contact avec la peau de l'article absorbant. Le tampon menstruel supplémentaire a un corps absorbant qui absorbe les liquides. Le corps absorbant est configuré de telle sorte que, lorsque le tampon menstruel supplémentaire est fixé à la surface en contact avec la peau de l'article absorbant et que l'article absorbant est porté en étant tiré vers le haut, au moins une partie dans le sens de la longueur de la section centrale dans le sens de la largeur a une forme qui fait saillie vers la peau dans le sens de l'épaisseur, en conséquence du fait que le corps absorbant est pressé par l'article absorbant.
PCT/JP2021/027861 2020-09-11 2021-07-28 Groupe d'articles absorbants et tampon menstruel supplémentaire WO2022054436A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202190000616.2U CN219461691U (zh) 2020-09-11 2021-07-28 吸收性物品组以及生理用辅助垫

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JP2020-153310 2020-09-11
JP2020153310A JP2022047407A (ja) 2020-09-11 2020-09-11 吸収性物品群、及び、生理用補助パッド

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WO2022054436A1 true WO2022054436A1 (fr) 2022-03-17

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JP (1) JP2022047407A (fr)
CN (1) CN219461691U (fr)
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003038564A (ja) * 2001-05-22 2003-02-12 Uni Charm Corp 補助パッド取り付け用吸収性物品
JP2005296024A (ja) * 2001-05-22 2005-10-27 Uni Charm Corp 補助パッド
JP2011072451A (ja) * 2009-09-30 2011-04-14 Daio Paper Corp 補助吸収性物品及びこれに使用されるアウター用吸収性物品
JP2015066358A (ja) * 2013-09-30 2015-04-13 日本製紙クレシア株式会社 吸収性物品
JP2018093986A (ja) * 2016-12-09 2018-06-21 王子ホールディングス株式会社 吸収性物品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003038564A (ja) * 2001-05-22 2003-02-12 Uni Charm Corp 補助パッド取り付け用吸収性物品
JP2005296024A (ja) * 2001-05-22 2005-10-27 Uni Charm Corp 補助パッド
JP2011072451A (ja) * 2009-09-30 2011-04-14 Daio Paper Corp 補助吸収性物品及びこれに使用されるアウター用吸収性物品
JP2015066358A (ja) * 2013-09-30 2015-04-13 日本製紙クレシア株式会社 吸収性物品
JP2018093986A (ja) * 2016-12-09 2018-06-21 王子ホールディングス株式会社 吸収性物品

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CN219461691U (zh) 2023-08-04
JP2022047407A (ja) 2022-03-24

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