WO2020138058A1 - Article absorbant de type culotte et procédé de fixation de garniture absorbante - Google Patents

Article absorbant de type culotte et procédé de fixation de garniture absorbante Download PDF

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Publication number
WO2020138058A1
WO2020138058A1 PCT/JP2019/050565 JP2019050565W WO2020138058A1 WO 2020138058 A1 WO2020138058 A1 WO 2020138058A1 JP 2019050565 W JP2019050565 W JP 2019050565W WO 2020138058 A1 WO2020138058 A1 WO 2020138058A1
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WO
WIPO (PCT)
Prior art keywords
pants
skin side
absorbent
width direction
absorbent article
Prior art date
Application number
PCT/JP2019/050565
Other languages
English (en)
Japanese (ja)
Inventor
貴仁 永井
傑 田中
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 BR112021009576-4A priority Critical patent/BR112021009576B1/pt
Priority to CN201980083095.9A priority patent/CN113194899B/zh
Publication of WO2020138058A1 publication Critical patent/WO2020138058A1/fr

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/47—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
    • 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

Definitions

  • the present invention relates to a pants-type absorbent article and a method for attaching an absorbent pad.
  • Patent Document 1 discloses a pants-type disposable diaper having a main body having an absorbent core and a leak-proof cuff (a leak-proof wall) extending in the vertical direction and arranged in the main body at intervals in the horizontal direction. Has been done.
  • the present invention has been made in view of the above conventional problems, and an object thereof is to suppress positional displacement of an absorbent pad when using a pants-type absorbent article and an absorbent pad together. is there.
  • the main invention for achieving the above object is to have an absorbent main body and two sides in the width direction of the absorbent main body, which have a longitudinal direction, a width direction and a thickness direction intersecting with each other in a developed state.
  • the pair of leak-proof wall portions each have a skin side portion and a non-skin side portion arranged on the non-skin side in the thickness direction with respect to the skin side portion, and the skin side portion and the A pair of first joining portions that join at least a part of facing surfaces that face each other with a non-skin side portion, and a pair of joining at least a portion of the non-skin side portion to the skin side of the absorbent main body.
  • a second joint portion and in a state where the pants-type absorbent article and the absorbent pad are extended in the longitudinal direction and the width direction, the center of the pants-type absorbent article in the width direction, and When the absorbent pad is attached to the pant-type absorbent article so that the center of the absorbent pad in the width direction is aligned, in the longitudinal direction, in a region in which the pair of first joint portions are arranged.
  • the pair of second joint portions in the longitudinal direction has a portion in which the distance between the inner ends of the pair of first joint portions in the width direction is shorter than the length of the absorbent pad in the width direction.
  • the widthwise interval between the inner ends of the pair of second bonding portions has a portion equal to or less than the widthwise length of the absorbent pad. It is a pants-type absorbent article.
  • the pants-type absorbent article and the absorbent pad are used together, it is possible to prevent the positional displacement of the absorbent pad from occurring easily.
  • FIG. 3A is a schematic sectional view taken along the line AA of FIG. 3B is a schematic sectional view taken along line BB of FIG.
  • FIG. 3C is a schematic sectional view taken along the line CC of FIG. 3A and 3B are a schematic plan view and a schematic sectional view of an absorbent pad 100. It is a schematic plan view showing the state which attached the absorption pad 100 to the diaper 1 of a development and extension state.
  • FIG. 6A is a schematic cross-sectional view taken along the line DD of FIG. 6B is a schematic sectional view taken along line EE of FIG.
  • the unfolded state it has a longitudinal direction, a width direction, and a thickness direction that intersect with each other, is provided on the absorbent body and both sides of the absorbent body in the width direction, and can stand upright on the skin side in the thickness direction.
  • the pair In the region where the pair of second joints are arranged, in the longitudinal direction, the pair has a pair in which the interval in the width direction is shorter than the length in the width direction of the absorbent pad.
  • the pants-type absorbent article characterized in that the interval between the inner ends of the second joint portion in the width direction has a portion that is not more than the length in the width direction of the absorbent pad.
  • the absorbent pad when the absorbent pad is attached, at least a part of the widthwise end portion of the absorbent pad is absorptive to the pair of first joint portions (leakage prevention wall portions). It becomes possible to insert the absorbent pad into the main body, and the movement of the absorbent pad in the thickness direction is restricted by the first joint portion. Further, the outer edge (edge) in the width direction of the absorbent pad is sandwiched by the pair of second joint portions from both sides in the width direction, and movement of the absorbent pad in the width direction is restricted. This makes it possible to prevent the displacement of the absorbent pad from occurring.
  • the center of the second joint portion is located in front of the center of the pants-type absorbent article in the expanded state in the longitudinal direction.
  • the absorbent pad when worn, the absorbent pad is sandwiched from both sides in the width direction by the second joint in the region on the front side in the longitudinal direction where the force from both legs of the wearer is likely to act. Therefore, the absorbent pad is suppressed from shifting in the width direction in the region, and the displacement of the absorbent pad is less likely to occur even when the wearer moves the body (both legs).
  • the entire second joint portion is located in front of the center of the pants-type absorbent article in the expanded state in the longitudinal direction.
  • the absorbent main body has an absorbent core, and the absorbent core is a region between a front end portion and a rear end portion in the longitudinal direction, and the width direction.
  • a constricted portion having a reduced length in, the second joint portion overlaps the constricted portion in the longitudinal direction, and is located outside the absorbent core in the width direction, Is desirable.
  • the movement of the wearer's legs is less likely to be hindered by providing the absorbent core with a constricted portion.
  • the position of the absorbent pad can be adjusted by the second joint. The shift can be effectively suppressed.
  • the first joint portion is located inside the tip of the leak preventive wall in the width direction.
  • the strength of the leak-proof wall portion can be increased by the first joint portion in the region on the inner side in the width direction than the tip of the leak-proof wall portion.
  • the widthwise end portion of the absorbent pad can be stably suppressed by the leak preventive wall portion. Therefore, it is easy to prevent the absorbent pad from coming off.
  • the absorbent pad has a pair of adhesive portions on both sides in the longitudinal direction, and the first joint portion attaches the absorbent pad to the pants-type absorbent article. At this time, it is desirable that the pair of adhesive parts are located inside the position where the pair of adhesive parts contact the pants-type absorbent product in the longitudinal direction.
  • the absorbent pad is firmly attached and fixed to the skin side of the pant-type absorbent article at the portions where the adhesive portions are provided at both longitudinal ends of the absorbent pad. .. Further, in the region between the adhesive portions in the longitudinal direction of the absorbent pad, the widthwise end portion of the absorbent pad is suppressed from the skin side by the first joint portion (leakage preventing wall portion). Therefore, it is possible to prevent the displacement from occurring easily over the entire length of the absorbent pad in the longitudinal direction.
  • a distance between inner ends of the pair of leak-proof wall portions is narrower than a distance between inner ends of the pair of second joint portions in the width direction. ..
  • both end portions in the width direction of the absorbent pad are sandwiched by the pair of second joint portions from the width direction, and the leakage preventing wall portion
  • the inner edge makes it easier to cover from the skin side. Therefore, the displacement of the absorbent pad can be more easily suppressed.
  • the pants-type absorbent article does not have a portion where the first joint portion and the second joint portion overlap in the longitudinal direction.
  • a portion where the rising height of the leak-proof wall portion is limited by the first joint portion and a portion where the rising height of the leak-proof wall portion is limited by the second joint portion Since the and are displaced in the longitudinal direction, it is possible to prevent the rising height of the leak preventive wall portion from being significantly limited. Therefore, it is possible to suppress the positional displacement of the absorbent pad and make it difficult for the fit property of the pants-type absorbent article and the lateral leakage of excrement to occur.
  • a predetermined distance is provided between the outer end of the second joint portion and the outer end of the leak-proof wall portion. desirable.
  • a so-called dry edge is formed at the outer end of the leak preventive wall portion in the width direction. Therefore, when the pants-type absorbent article is worn, the skin contact at the outer end of the leak-proof wall, which is likely to come into direct contact with the skin (legs) of the wearer, becomes soft, and the wearer is less likely to feel discomfort. can do.
  • a pair of leak-proof wall parts comprising a pair of leak-proof wall parts that can stand upright, and an absorbent pad that can be attached to the skin side in the thickness direction with respect to the absorbent main body.
  • Each has a skin side part and a non-skin side part arranged on the non-skin side in the thickness direction with respect to the skin side part, and the skin side part and the non-skin side part face each other.
  • the pants-type absorbent article has a pair of 1st joint part which joins at least one copy of opposing surfaces, and a pair of 2nd joint part which joins at least one copy of the said non-skin side part to the said skin side of the said absorptive main body.
  • the absorbent pad is attached to the pants-type absorbent article, at least a part of both end portions of the absorbent pad in the width direction has the first joint portion and the absorbent body in the thickness direction.
  • the pants-type absorbent article is characterized in that it is sandwiched between the absorbent body and both ends of the absorbent pad in the width direction abut the second joint portion in the width direction.
  • the absorbent pad when the absorbent pad is attached, at least a part of the widthwise end portion of the absorbent pad is absorptive to the pair of first joint portions (leakage prevention wall portions). It becomes possible to insert the absorbent pad into the main body, and the movement of the absorbent pad in the thickness direction is restricted by the first joint portion. Further, the outer edge (edge) in the width direction of the absorbent pad is sandwiched by the pair of second joint portions from both sides in the width direction, and movement of the absorbent pad in the width direction is restricted. This makes it possible to prevent the displacement of the absorbent pad from occurring.
  • a pair of leak-proof wall portions that can stand up, with respect to the pants-type absorbent article provided with, an absorbent pad is attached to the skin side in the thickness direction of the absorbent main body, which is an absorbent pad attaching method,
  • Each of the pair of leak-proof wall portions has a skin side portion and a non-skin side portion arranged on the non-skin side in the thickness direction with respect to the skin side portion, and the skin side portion and the non-skin side.
  • the absorbent pad attaching method at the time of attaching the absorbent pad, at least a part of the widthwise end portions of the absorbent pad is connected to the pair of first joint portions (leakage prevention wall portions) and the absorbent main body.
  • the first bonding portion restricts the movement of the absorbent pad in the thickness direction.
  • the outer edge (edge) in the width direction of the absorbent pad is sandwiched by the pair of second joint portions from both sides in the width direction, and movement of the absorbent pad in the width direction is restricted. This makes it possible to prevent the displacement of the absorbent pad from occurring.
  • a pants-type disposable diaper 1 for adults hereinafter, also simply referred to as “diaper 1”
  • the diaper 1 according to the present invention can also be used as a pants-type disposable diaper for infants, sanitary shorts and the like.
  • FIG. 1 is a front view of a pants-type disposable diaper 1 (diaper 1).
  • FIG. 2 is a schematic plan view of the diaper 1 in a developed and expanded state.
  • FIG. 3A is a schematic sectional view taken along the line AA of FIG. 3B is a schematic sectional view taken along line BB of FIG.
  • FIG. 3C is a schematic sectional view taken along the line CC of FIG.
  • the "extended state” is a state in which each member constituting the diaper 1 is extended without wrinkles. Specifically, the diaper 1 is in a state of being expanded until the size of the member (for example, the sheet member 14 described later) of the diaper 1 becomes equal to or close to the size of the single member.
  • Diaper 1 has a vertical direction, a horizontal direction, and a front-back direction that intersect with each other in the pants-type state of FIG. 1, and has a waistline opening BH and a pair of leg openings LH.
  • the upper side in the vertical direction corresponds to the waistline opening BH side
  • the lower side corresponds to the crotch side.
  • the front side in the front-rear direction corresponds to the wearer's ventral side
  • the back side corresponds to the wearer's back side.
  • the diaper 1 in the unfolded state as shown in FIG. 2, the diaper 1 has a longitudinal direction, a width direction, and a thickness direction that intersect with each other.
  • one side in the longitudinal direction in this deployed state is also referred to as “abdominal side” or “front side”, and the other side in the longitudinal direction is also referred to as “back side” or “rear side”.
  • the width direction in the unfolded state is the same as the left-right direction in the pants-type state.
  • the longitudinal direction of the unfolded state is the direction along the vertical direction of the pants-type state.
  • the thickness direction is the direction in which the materials that make up the diaper 1 are stacked, as shown in FIGS. 3A and 3B.
  • the side in contact with the wearer in the thickness direction is the skin side, and the opposite side is the non-skin side.
  • the diaper 1 has an absorbent main body 10, a ventral waistline portion 20, and a back waistline portion 30.
  • the absorbent main body 10 (the absorbent core 11 described later) is arranged along the vertical direction, and is bent back and forth at the lower end in the vertical direction.
  • the abdominal waistline portion 20 is joined from the non-skin side to the upper end portion of the absorbent body 10 on the front side in the front-rear direction, and the upper body portion of the absorbent body 10 on the rear side in the front-rear direction is connected from the non-skin side to the back waistline portion. 30 are joined.
  • the abdominal waistline portion 20 and the back waistline portion 30 are arranged such that their long sides extend along the left-right direction of the diaper 1. Then, the end portion on one side (front side) in the longitudinal direction of the absorbent main body 10 is arranged in the central portion of the abdominal waistline portion 20 in the left-right direction, and the absorbability is set in the central portion of the back waistline portion 30 in the left-right direction. The other end (rear side) of the main body 10 in the longitudinal direction is arranged. From the unfolded state of FIG.
  • the absorbent main body 10 is folded in two substantially at the center in the longitudinal direction, and both side portions of the abdominal waistline portion 20 in the left-right direction and both side portions of the back waistline portion 30 in the left-right direction are welded.
  • the diaper 1 in a pants-type state is obtained by joining the diapers 1 with each other.
  • the absorbent main body 10 is provided with side elastic members 41 that expand and contract in the longitudinal direction (vertical direction of the diaper 1) on both sides in the left-right direction. Further, the absorbent main body 10 is provided with a pair of leakproof wall portions 40 along the longitudinal direction on both sides in the left-right direction. The leak-proof wall portion 40 can be erected on the skin side by the side elastic member 41.
  • the absorbent main body 10 includes an absorbent core 11 that absorbs excreted liquid, a liquid-permeable skin-side sheet 12 arranged closer to the wearer's skin than the absorbent core 11, and an absorbent core 11.
  • a liquid impermeable non-skin side sheet 13 arranged on the non-skin side, and a sheet member 14.
  • the skin-side sheet 12 has both left and right sides folded back to the non-skin side so that the absorbent core 11 is rolled up.
  • the sheet member 14 is arranged on the non-skin side of the non-skin side sheet 13, and forms the leak preventive wall portion 40 on the skin side of the skin side sheet 12.
  • the absorbent core 11 is formed by molding a liquid absorbent fiber such as pulp fiber containing a super absorbent polymer (so-called SAP) into a predetermined shape.
  • SAP super absorbent polymer
  • the absorbent core 11 of the present embodiment has a substantially hourglass shape in plan view, but is not limited to this, and may have, for example, a rectangular shape in plan view.
  • the absorbent core 11 may be covered with a liquid-permeable core wrap sheet 15.
  • the abdominal waistline portion 20 and the back waistline portion 30 are inner layer sheets 21 and 31, outer layer sheets 22 and 32 arranged on the non-skin side of the inner layer sheets 21 and 31, and waistline elastic members 23 and 33, respectively.
  • the waist elastic members 23, 33 are arranged side by side in the up-down direction between the inner layer sheets 21, 31 and the outer layer sheets 22, 32, and are fixed in a stretched state in the left-right direction. Therefore, the abdominal waistline part 20 and the back waistline part 30 fit the wearer's waistline.
  • a cover sheet that covers the upper end of the absorbent main body 10 from the skin side may be provided.
  • the ventral waistline portion 20 has a rectangular shape in plan view.
  • the back waistline portion 30 has an overlapping portion 30A that overlaps the abdominal waistline portion 20 in the front-rear direction, and an extension portion 30B that extends below the abdominal waistline portion 20.
  • the overlapping portion 30A has a rectangular shape in plan view
  • the extending portion 30B has an inverted trapezoidal shape in plan view.
  • the extension 30B can cover the buttocks of the wearer.
  • the abdominal waistline portion 20 has a shorter vertical length than the back waistline portion 30 and does not extend to the crotch side. Therefore, the movement of the leg that is pulled up to the abdominal side during walking or the like is not hindered, and walking is easy.
  • the extending portion 30B of the back waistline portion 30 is provided with an extending portion elastic member 35 along the lower end thereof.
  • the extension elastic member 35 is fixed in an extended state between the inner layer sheet 31 and the outer layer sheet 32.
  • the extension portion elastic member 35 allows the extension portion 30B to fit the buttocks of the wearer, and prevents the extension portion 30B from being turned up.
  • Each of the pair of leak-proof wall portions 40 is integrally formed with the absorbent main body 10 by folding the sheet member 14 constituting the exterior of the absorbent main body 10.
  • the leak preventive wall portion 40 may be formed of a member different from the absorbent main body 10.
  • the sheet member 14 is folded from the outer side to the inner side in the width direction at a folding line f1 shown in FIG. 3, and the sheet member 14 is folded back from the inner side to the outer side at the folding line f2.
  • the portion that is folded back from the inside in the width direction to the outside at the fold line f2 and is located on the skin side in the thickness direction is also referred to as "skin side portion 42", and the skin side A portion located on the non-skin side in the thickness direction with respect to the portion 42 is also referred to as a “non-skin side portion 43”.
  • the outer end of the skin side portion 42 in the width direction is the tip 42 a of the leak preventive wall portion 40.
  • the leakproof wall portion 40 of the present embodiment has a two-layer laminated structure in which the sheet members 14 are stacked in the thickness direction.
  • four side elastic members 41A (41) are provided side by side in the left-right direction between the two-layer sheet members 14 forming the skin side portion 42.
  • the four side elastic members 41A are arranged near the outer ends (tips 42a) in the width direction.
  • two side elastic members 41B (41) are provided side by side in the left-right direction between the two-layer sheet members 14 forming the non-skin side portion 43.
  • the two side elastic members 41B are arranged closer to the inner end in the width direction.
  • the arrangement and number of the side elastic members 41A and 41B are not limited to this.
  • the leakproof wall portion 40 is fixed to the skin side of the absorbent main body 10 in a non-erectable manner at the front end portion in the longitudinal direction by a pair of front end fixing portions 51 formed of an adhesive material such as a hot melt adhesive.
  • the front end fixing portion 51 includes a skin-side fixing portion 511 that fixes the skin-side portion 42 and the non-skin-side portion 43 of the leak-proof wall portion 40 and a non-skin-proof portion of the leak-proof wall portion 40. It has a non-skin side fixing part 512 for fixing the skin side part 43 and the skin side sheet 12 with an adhesive or the like.
  • the leakproof wall portion 40 is erected on the skin side of the absorbent main body 10 at the rear end portion in the longitudinal direction by a pair of rear end fixing portions 52 formed of an adhesive material such as a hot melt adhesive. It is fixed to be impossible. Therefore, in the longitudinal direction, a portion of the sheet member 14 between the front end fixing portion 51 and the rear end fixing portion 52 is a portion where the leakage preventing wall portion 40 can stand.
  • the first joint portion 61 is formed by applying an adhesive such as a hot melt adhesive along the longitudinal direction at the widthwise inner end of the leak preventive wall portion 40 (see FIGS. 2 and 3B). ). Since the opposing surfaces of the skin side portion 42 and the non-skin side portion 43 are joined by the first joint portion 61, the skin side portion 42 of the leak preventive wall portion 40 is a flat surface (curved surface) when the diaper 1 is worn. ) It is easy to maintain the shape and fit the wearer's body in terms of surface.
  • the second joint portion 62 has a hot-melt adhesive or the like in a region between the two first joint portions 61, 61 arranged on the ventral side and the back side in the longitudinal direction. It is formed by applying the adhesive material (see FIGS. 2 and 3C).
  • the height at which the leakproof wall portion 40 can stand up to the skin side is higher than that in the area where the second joint portion 62 is not provided when the diaper 1 is worn. Limited. Therefore, in the region where the second joint portion 62 is provided, the distance between the wearer's body and the absorbent main body 10 becomes short, and it is easy to maintain the fit of the absorbent main body 10 to the wearer's body. You can
  • the absorbent pad 100 has a function of absorbing excrement such as urine and can be detachably attached to the skin side of the absorbent main body 10 of the diaper 1.
  • FIG. 4 is a schematic plan view of the absorbent pad 100 and a schematic view showing a cross section thereof.
  • the absorbent pad 100 is an absorbent article having a substantially rectangular shape in a plan view as shown in FIG. 4, and its long side direction is the longitudinal direction and its short side direction is the width direction.
  • the longitudinal direction and the width direction of the absorbent pad 100 are common to the longitudinal direction and the width direction of the diaper 1 in FIG.
  • the absorbent pad 100 has a thickness direction orthogonal to the longitudinal direction and the width direction.
  • the shape of the absorbent pad 100 is not limited to the rectangular shape, and the length (width) in the width direction may vary at a predetermined position in the longitudinal direction.
  • the absorbent pad 100 has substantially the same configuration as the absorbent main body 10 of the diaper 1 except that it does not have a portion corresponding to the leak-proof wall portion 40.
  • the absorbent pad 100 includes a liquid-absorbent absorbent body 111 that absorbs excreted liquid, a liquid-permeable skin-side sheet 112 disposed on the skin side in the thickness direction of the absorbent body 111, and an absorbent body.
  • a liquid impermeable non-skin side sheet 113 arranged on the non-skin side in the thickness direction of 111 and a sheet member 114.
  • the absorber 111, the skin-side sheet 112, the non-skin-side sheet 113, and the sheet member 114 are substantially the same as the absorbent core 11, the skin-side sheet 12, the non-skin-side sheet 13, and the sheet member 14 of the absorbent main body 10, respectively. Since the configuration is similar, the description is omitted here.
  • the absorbent pad 100 may be provided with a leakproof wall portion corresponding to the leakproof wall portion 40 of the diaper 1 by the sheet member 114 or other members.
  • the non-skin side surface in the thickness direction of the absorbent pad 100 is provided with adhesive parts 115 at both ends in the longitudinal direction.
  • the adhesive section 115 is an area coated with an adhesive such as a hot melt adhesive, and when the absorbent pad 100 is attached to the diaper 1 for use, the adhesive section 115 should be attached to the skin side of the diaper 1. Thus, the displacement of the absorbent pad 100 with respect to the diaper 1 is suppressed.
  • the adhesive portion 115 be covered with a protective sheet (not shown) from the non-skin side so that the adhesiveness of the adhesive portion 115 is not lost.
  • FIG. 5 is a schematic plan view showing a state in which the absorbent pad 100 is attached to the diaper 1 in the expanded and expanded state.
  • FIG. 6A is a schematic cross-sectional view taken along the line DD of FIG. 6B is a schematic sectional view taken along line EE of FIG.
  • the absorbent pad 100 is attached to the diaper 1 so that the center of the diaper 1 in the width direction and the center of the absorbent pad 100 in the width direction are aligned.
  • the absorbent pad 100 When attaching the absorbent pad 100 to the diaper 1, first, the absorbent pad 100 is placed on the skin side of the absorbent main body 10 of the diaper 1 so that the center positions in the width direction are aligned. Then, the adhesive portions 115 provided at both ends in the longitudinal direction are attached to the skin side of the diaper 1 (absorbent body 10) and fixed so that the position of the absorbent pad 100 does not shift in the longitudinal direction of the diaper 1.
  • the end portions 100er on both sides in the width direction of the absorbent pad 100 are inserted into the space between the non-skin side portions 43 of the pair of leak preventive wall portions 40 and the skin side surface of the absorbent main body 10. That is, as shown in FIG. 6A, the end portion 100er in the width direction of the absorbent pad 100 is sandwiched between the first joint portion 61 and the absorbent main body 10 (skin side sheet 12) in the thickness direction.
  • the spacing W61 between the inner ends 61ei in the width direction of the first joint portions 61 is the width direction of the absorbent pad 100.
  • the skin side part 42 and the non-skin side part 43 of the leak-proof wall part 40 are mutually joined by the 1st junction part 61, the area
  • the strength of the leak preventive wall portion 40 is high.
  • the end portion 100er in the width direction of the absorbent pad 100 is moved to the skin side in the thickness direction by the stretching force developed by the side elastic member 41 arranged at the position overlapping the first joint portion 61 in the thickness direction. It is easy to be pushed in. As a result, the movement of the absorbent pad 100 in the thickness direction can be firmly suppressed in the region where the first bonding portion 61 is provided.
  • the position of the absorbent pad 100 is fixed so as to be sandwiched from both sides in the width direction by the pair of second joint portions 62 of the leak preventive wall portion 40. That is, as shown in FIG. 6B, the outer end 100eo in the width direction of the absorbent pad 100 (that is, the edge in the width direction of the absorbent pad 100) contacts the inner end 62ei in the width direction of the pair of second bonding portions 62. Contact.
  • the space W62 between the inner ends 62ei in the width direction of the pair of second bonding portions 62 is the width W of the absorbent pad 100 in the region in which the second bonding portions 62 are arranged.
  • the width W100 of the absorbent pad 100 is longer than the width W62 of the pair of second bonding portions 62 in the width direction, part of the end portion 100er in the width direction of the absorbent pad 100 is in the width direction as shown in FIG. 6B. It is compressed into a crushed state. That is, the absorbent pad 100 is compressed from both sides in the width direction by the pair of second joint portions 62. In this case, the movement of the absorbent pad 100 in the width direction is more easily restricted, and the positional displacement is more easily suppressed.
  • the absorbent pad 100 is restricted from moving in the longitudinal direction by the front end fixed portion 51 and the rear end fixed portion 52, and the absorbent pad 100 is long. It is possible to suppress displacement in the direction.
  • the center CL 62 of the second joint portion 62 is located on the front side (abdominal side) of the center CL of the diaper 1 in the longitudinal direction of the diaper 1 in the expanded state. That is, the second joint portion 62 is provided on the front side of the diaper 1.
  • the region on the front side in the longitudinal direction is a region that is sandwiched between the legs of the wearer (groin region) when the diaper 1 is worn, and the force from the legs is applied each time the wearer moves the leg to the front side when walking. There is a region where displacement of the absorbent pad 100 attached to the diaper 1 is likely to occur due to the action of.
  • the absorbent pad 100 is sandwiched from both sides in the width direction by the second joint portions 62 provided in the regions where the forces from both legs are likely to act, so that the absorbent pads 100 are absorbed in the regions.
  • the pad 100 is restrained from shifting in the width direction (left-right direction).
  • the entire second joint portion 62 is located on the front side (abdominal side) of the center CL of the diaper 1 in the longitudinal direction.
  • the rear end 62eb in the longitudinal direction of the second joint portion is located on the front side of the center CL of the diaper 1.
  • the absorbent core 11 of the diaper 1 has a "constricted portion 11c" which is narrowed in the width direction in a region between the front end 11f and the rear end 11b in the longitudinal direction (see FIG. 5). ). That is, the widthwise length (width) of the narrowed portion 11c is larger than the maximum widthwise length (width) W11f (W11b) of the absorbent core 11 in the longitudinal direction front side end 11f (rear side end 11b). ) W11c is narrower. As described above, since the absorbent core 11 is formed of the liquid absorbent fiber, the absorbent core 11 has higher rigidity than other parts of the absorbent main body 10 (for example, the skin side sheet 12 and the like).
  • the second joint portion 62 of the diaper 1 is arranged so as to overlap the constricted portion 11c in the longitudinal direction and to be located outside the absorbent core 11 in the width direction.
  • a region that overlaps with the constricted portion 11c in the longitudinal direction and that is outside the absorbent core 11 in the width direction receives a compressive force in the width direction by being sandwiched between both legs of the wearer when the diaper 1 is worn. It is a region that is easily deformed. Therefore, when the absorbent pad 100 is also used, the absorbent pad 100 may be easily displaced in the area.
  • the second bonding portion 62 is provided in the region, the lateral movement of the absorbent pad 100 can be suppressed.
  • the first joint portion 61 is located inside the tip 42a of the leak preventive wall portion 40 (skin side portion 42) in the width direction.
  • a region of the skin side portion 42 on the inner side in the width direction is a region that suppresses the widthwise end 100er of the absorbent pad 100 from the skin side when the absorbent pad 100 is attached to the diaper 1 (see FIG. 6A ). Therefore, in the vicinity of the inner end portion (that is, the region on the inner side in the width direction of the tip 42a), the skin side portion 42 and the non-skin side portion 43 are joined by the first joint portion 61 to increase the strength of the leak preventive wall portion 40. By increasing the height, the absorbent pad 100 can be stably suppressed. Accordingly, it is possible to easily prevent the absorbent pad 100 from coming off the diaper 1.
  • the adhesive parts 115, 115 provided at both ends of the absorbent pad 100 contact the diaper 1 in the longitudinal direction. It is located inside the part. That is, in the longitudinal direction, the first joint portion 61 is located in a region between the pair of adhesive portions 115, 115 provided at the front end portion and the rear end portion of the absorbent pad 100.
  • the absorbent pad 100 is attached and fixed to the skin side of the diaper 1 in the portion of the absorbent pad 100 where the adhesive portion 115 is provided.
  • the absorbent pad 100 is not attached to the diaper 1, and there is a risk of displacement. Therefore, in the present embodiment, by providing the first bonding portion 61 in the area between the adhesive portions 115, 115, in the area, the end portion 100er in the width direction of the absorbent pad 100 as shown in FIG.
  • the portion 40 is designed to be suppressed from the skin side. As a result, even in the region of the absorbent pad 100 where the adhesive portion 115 is not provided, it is possible to prevent the absorbent pad 100 from being displaced or separated. That is, it is possible to prevent the displacement from occurring easily over the entire absorbent pad 100.
  • the distance W40 between the inner ends 40ei of the pair of leakproof wall portions 40 is the distance W62 between the inner ends 62ei of the pair of second joint portions 62. It is narrower than that (W40>W62).
  • the first joint portion 61 and the second joint portion 62 do not have overlapping portions. That is, the first joint portion 61 and the second joint portion 62 are provided at positions displaced from each other in the longitudinal direction. Since the skin-side portion 42 and the non-skin-side portion 43 are joined to each other in the portion where the first joint portion 61 is provided, the leakage preventing wall portion 40 of the present embodiment has a limited standing height. Then, since the skin non-skin side portion 43 is joined to the absorbent main body 10 (skin side sheet 12) at the portion where the second joint portion 62 is provided, the standing height is limited.
  • the standing height of the leakproof wall portion 40 at that position is limited to double, and the diaper is diapered.
  • the fit may be deteriorated or the side leakage of excrement may easily occur.
  • the standing height of the leak preventive wall portion 40 is greatly limited. Suppression is suppressed. Therefore, it is possible to easily suppress deterioration of fit and lateral leakage of excrement.
  • a predetermined distance d is provided between the outer end 62eo of the second joint portion 62 and the outer end 40eo of the leak preventive wall portion 40. That is, in the width direction, the adhesive forming the second joint 62 is not provided on the outer end 40eo of the leak preventive wall 40, which is a so-called dry edge.
  • the outer end 40eo of the leak-proof wall portion 40 is a portion that is likely to come into direct contact with the skin (legs) of the wearer when the diaper 1 is worn. Therefore, by setting the outer edge 40eo as a dry edge, the skin contact when worn becomes soft, and it is possible to make it difficult for the wearer to feel discomfort.
  • the diaper that is a separate member in which the abdominal waistline portion 20 and the back waistline portion 30 are separated is illustrated, but a crotch portion is provided between the abdominal waistline portion 20 and the back waistline portion 30.
  • the abdomen waistline portion 20 and the back waistline portion 30 may be one continuous member.
  • the various joints such as the first joint portion 61 and the second joint portion 62 provided on the leak-proof wall portion 40 were formed by the bonding means using the adhesive material.
  • the forming method is not limited to this.
  • the joining may be performed by a pressure bonding means such as embossing.

Landscapes

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

Abstract

L'invention concerne un article absorbant de type culotte (1) comprenant une paire de parties de paroi étanche (40) et auxquelles une garniture absorbante (100) peut être fixée, les parties de paroi étanche (40) ayant des premières parties de liaison (61) qui relient des surfaces opposées d'une partie côté peau (42) et d'une partie côté non-peau (43) et une paire de secondes parties de liaison (62) qui relient la partie côté non-peau (43) à un corps absorbant (10). Lorsque la garniture absorbante (100) est fixée à l'article absorbant de type culotte (1) de telle sorte que l'article absorbant de type culotte (1) et la garniture absorbante (100) sont alignés de manière centrale dans une direction de largeur, l'espace dans le sens de la largeur (W61) entre les extrémités intérieures des premières parties de liaison (61) a une partie qui est plus courte que la longueur dans le sens de la largeur (W100) de la garniture absorbante (100), et l'espace dans le sens de la largeur (W62) entre les extrémités internes des secondes parties de liaison (62) a une partie qui est inférieure ou égale à la longueur dans le sens de la largeur (W100) de la garniture absorbante (100).
PCT/JP2019/050565 2018-12-25 2019-12-24 Article absorbant de type culotte et procédé de fixation de garniture absorbante WO2020138058A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR112021009576-4A BR112021009576B1 (pt) 2018-12-25 2019-12-24 Artigo absorvente em forma de calça íntima e método para fixar uma almofada absorvente
CN201980083095.9A CN113194899B (zh) 2018-12-25 2019-12-24 裤形吸收性物品及附接吸收性垫的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018241210A JP6757396B2 (ja) 2018-12-25 2018-12-25 パンツ型吸収性物品、及び、吸収パッド取り付け方法
JP2018-241210 2018-12-25

Publications (1)

Publication Number Publication Date
WO2020138058A1 true WO2020138058A1 (fr) 2020-07-02

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PCT/JP2019/050565 WO2020138058A1 (fr) 2018-12-25 2019-12-24 Article absorbant de type culotte et procédé de fixation de garniture absorbante

Country Status (5)

Country Link
JP (1) JP6757396B2 (fr)
CN (1) CN113194899B (fr)
BR (1) BR112021009576B1 (fr)
TW (1) TWI801687B (fr)
WO (1) WO2020138058A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06178795A (ja) * 1991-12-31 1994-06-28 Kimberly Clark Corp 洗い流し可能な挿入パッドを有する使い捨て吸収性物品
WO2001039714A1 (fr) * 1999-11-30 2001-06-07 Toyo Eizai Kabushiki Kaisha Couche jetable
JP2005160843A (ja) * 2003-12-04 2005-06-23 Daio Paper Corp 吸収性物品
WO2017199300A1 (fr) * 2016-05-16 2017-11-23 ユニ・チャーム株式会社 Couche jetable de type culotte et procédé de port de couche jetable de type culotte
WO2019131068A1 (fr) * 2017-12-28 2019-07-04 ユニ・チャーム株式会社 Article absorbant de type culotte

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3414409B2 (ja) * 1991-06-26 2003-06-09 大王製紙株式会社 紙おむつ
JP7001444B2 (ja) * 2017-11-29 2022-01-19 花王株式会社 吸収性物品

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06178795A (ja) * 1991-12-31 1994-06-28 Kimberly Clark Corp 洗い流し可能な挿入パッドを有する使い捨て吸収性物品
WO2001039714A1 (fr) * 1999-11-30 2001-06-07 Toyo Eizai Kabushiki Kaisha Couche jetable
JP2005160843A (ja) * 2003-12-04 2005-06-23 Daio Paper Corp 吸収性物品
WO2017199300A1 (fr) * 2016-05-16 2017-11-23 ユニ・チャーム株式会社 Couche jetable de type culotte et procédé de port de couche jetable de type culotte
WO2019131068A1 (fr) * 2017-12-28 2019-07-04 ユニ・チャーム株式会社 Article absorbant de type culotte

Also Published As

Publication number Publication date
TWI801687B (zh) 2023-05-11
CN113194899B (zh) 2023-03-24
BR112021009576B1 (pt) 2022-05-03
BR112021009576A2 (pt) 2021-08-17
CN113194899A (zh) 2021-07-30
TW202031217A (zh) 2020-09-01
JP6757396B2 (ja) 2020-09-16
JP2020099590A (ja) 2020-07-02

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