WO2022070793A1 - Article absorbant de type culotte - Google Patents

Article absorbant de type culotte Download PDF

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Publication number
WO2022070793A1
WO2022070793A1 PCT/JP2021/032714 JP2021032714W WO2022070793A1 WO 2022070793 A1 WO2022070793 A1 WO 2022070793A1 JP 2021032714 W JP2021032714 W JP 2021032714W WO 2022070793 A1 WO2022070793 A1 WO 2022070793A1
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WO
WIPO (PCT)
Prior art keywords
pants
stress
vertical direction
absorbent article
cuff
Prior art date
Application number
PCT/JP2021/032714
Other languages
English (en)
Japanese (ja)
Inventor
宏子 川口
佑馬 中尾
Original Assignee
花王株式会社
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 花王株式会社 filed Critical 花王株式会社
Priority to CN202180062486.XA priority Critical patent/CN116209415A/zh
Publication of WO2022070793A1 publication Critical patent/WO2022070793A1/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
    • A61F13/49—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
    • A61F13/551—Packaging before or after use
    • 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

Definitions

  • the present invention relates to a pants-type absorbent article provided with a disposal tape.
  • Patent Document 1 has a strip-shaped fastening tape (disposal tape) on the surface of the top sheet or back sheet, which is worn when the absorbent article is discarded.
  • An absorbent article characterized in that at least a portion thereof is extensible in its longitudinal direction.
  • the pants-type absorbent article includes a waist opening and a pair of leg openings, and extends from the ventral side of the wearer to the dorsal side through the crotch portion in the vertical direction and in the vertical direction. It has an orthogonal lateral direction, and is divided into a ventral region, an inseam region, and a dorsal region along the longitudinal direction.
  • Pants-type absorbent articles Absorbent body including absorber and The exterior body, including the outer surface, arranged on the non-skin facing surface side of the absorbent body, Further includes a waste tape arranged in the ventral region or the dorsal region so as to overlap the absorbent body in a plan view.
  • the waste tape is A fixing portion extending in the vertical direction and fixed to the outer surface of the exterior body, It includes a first end connected to the fixation portion and has an extendable extension portion extending in the longitudinal direction and detachably arranged on the fixing portion.
  • the absorbent body includes each of the vertically extending and stretchable cuff telescopic portions, and has a pair of leak-proof cuffs arranged on both sides in the lateral direction.
  • the vertical distance between the lower end of the fixing portion in the vertical direction and the opening end of the waist opening is the distance between the end of the cuff telescopic portion and the opening end. It is more than the distance along the vertical direction.
  • FIG. 1 It is a figure which shows the mode in which the discardor pulls the disposal tape of the pants-type absorbent article in a rolled shape at the time of disposal of the pants-type absorbent article. It is a figure which shows the said pants-type absorbent article of a rolled shape with a waste tape wrapped around. It is a schematic enlarged sectional view of FIG.
  • the present invention relates to the provision of a pants-type absorbent article capable of smoothly and surely disposing of a waste tape.
  • FIG. 1 [Overall composition of pants-type disposable diapers] 1 and 2 show a pants-type disposable diaper 1 which is an embodiment of the pants-type absorbent article of the present invention.
  • the pants-type disposable diaper 1 is hereinafter referred to as a diaper 1.
  • the diaper 1 includes a waist opening 1W and a pair of leg openings IL, and is worn on the wearer's lower abdomen and crotch when worn.
  • the waist opening 1W has an opening end 50.
  • the diaper 1 has a vertical direction X, a horizontal direction Y, and a thickness direction Z.
  • the longitudinal direction X extends from the ventral side of the wearer through the crotch to the dorsal side.
  • the horizontal direction Y is orthogonal to the vertical direction X and corresponds to the left-right direction of the wearer.
  • the thickness direction Z is orthogonal to the vertical direction X and the horizontal direction Y.
  • vertical direction X upper means a direction approaching the opening end 50 of the waist opening 1W
  • vertical direction X lower means a vertical X intermediate portion of the inseam region C described later. It means the direction of approach. That is, “vertical direction X upper side” and “vertical direction X lower side” correspond to the vertical direction of the wearer in the wearing state.
  • the side close to the wearer's skin may be referred to as the skin side
  • the side close to the clothing may be referred to as the non-skin side.
  • the “skin facing surface” means a surface of the diaper 1 or its constituent members that is directed toward the wearer's skin side when the diaper 1 is worn, that is, a surface that is relatively close to the wearer's skin.
  • the “non-skin facing surface” means a surface of the diaper 1 or its constituent members that is directed to the side opposite to the skin side (clothing side) when the diaper 1 is worn, that is, a surface relatively far from the wearer's skin. do. "When worn” means a state in which the normally assumed proper wearing position is maintained.
  • the diaper 1 has a ventral region A arranged on the ventral side of the wearer when worn, a dorsal region B arranged on the dorsal side of the wearer when worn, and a ventral region A and a dorsal region B. It is divided into an inseam region C, which is located between them and is arranged in the crotch portion of the wearer when worn.
  • the ventral region A, the inseam region C, and the dorsal region B are arranged along the vertical direction X. In the ventral region A and the dorsal region B, the lateral edge portions A1 and B1 are joined to each other to form a waist opening 1W.
  • FIG. 2 shows a form in which the diaper 1 is unfolded and the elastic members of each part are stretched and spread out in a plane. This aspect is also referred to as a "expanded / extended form" of the diaper 1.
  • Deploying the diaper 1 means deploying the side edges A1 and B1 of the ventral region A and the dorsal region B separately.
  • the diaper 1 includes a front surface sheet 2, a back surface sheet (not shown), an absorbent main body 4 having an absorbent body 40, and an exterior body 5 arranged on the non-skin facing surface side of the absorbent main body 4.
  • the exterior body 5 includes an outer surface 5a which is a non-skin facing surface of the diaper 1.
  • the absorbent main body 4 has a structure in which the back surface sheet, the absorber 40 and the front surface sheet 2 are laminated in the thickness direction Z.
  • the absorber 40 extends in the longitudinal direction X in the inseam region C and extends to a part of the ventral region A and the dorsal region B.
  • the absorber 40 includes a liquid-retaining absorbent core, and may further include a core wrap sheet that covers the absorbent core.
  • the diaper 1 may further include a waist elastic member 22 for forming waist gathers and a waist elastic member 23 provided in the ventral region A or the dorsal region B.
  • the waist elastic member 22 and the waistline elastic member 23 are thread-shaped or band-shaped elastic members that can be expanded and contracted in the lateral direction Y. These elastic members 22 and 23 allow the diaper 1 to fit the wearer's body, enhance the wearing feeling of the diaper 1, and effectively prevent the leakage of excrement.
  • the absorbent body 4 further has a pair of leak-proof cuffs 6 arranged on both sides in the lateral direction Y and configured to expand and contract in the vertical direction X.
  • the leak-proof cuff 6 extends in the longitudinal direction X in the inseam region C and extends to the ventral region A and the dorsal region B.
  • the leak-proof cuff 6 has a cuff forming sheet 61 and a cuff expansion / contraction portion 62.
  • the cuff forming sheet 61 is formed of a sheet material having functions such as poor liquid permeability, water vapor permeability, and water repellency.
  • the cuff forming sheet 61 includes a base portion (not shown) and a free end portion 61a extending in the vertical direction X, respectively.
  • the base is joined to other components such as the surface sheet 2 and the exterior body 5.
  • the free end portion 61a is arranged on the lateral Y center portion side of the base portion, and most of the free end portion 61a is not joined to other constituent members such as the surface sheet 2.
  • the upper end side of the cuff forming sheet 61 in the vertical direction is heat-sealed with a member (for example, the surface sheet 2) constituting the skin-facing surface side of the absorbent main body 4, an exterior body 5 folded back from the waist opening 1W, and the like. It is joined with an adhesive or the like.
  • a member for example, the surface sheet 2 constituting the skin-facing surface side of the absorbent main body 4, an exterior body 5 folded back from the waist opening 1W, and the like. It is joined with an adhesive or the like.
  • the cuff expansion / contraction portion 62 extends in the vertical direction X and is configured to be expandable / contractible. "The cuff expansion / contraction portion 62 extends in the vertical direction X" means that the elastic member described later extends from the ventral region A side to the dorsal region B side as a whole, and a part of the cuff expansion / contraction portion 62 extends. It also includes aspects such as bending.
  • the cuff elastic member 62 is composed of a thread-shaped or band-shaped elastic member (for example, rubber thread).
  • the elastic member of the cuff expansion / contraction portion 62 is arranged, for example, inside the folded portion in which the free end portion 61a of the cuff forming sheet 61 is folded back.
  • the elastic member is attached to the cuff forming sheet 61 in a state of being stretched in a plane shape in a state of being stretched in the vertical direction X.
  • the cuff expansion / contraction portion 62 contracts in the vertical direction X, the free end portion 61a is separated from the surface sheet 2 in the thickness direction Z, and a leak-proof cuff 6 standing upright on the skin side is realized.
  • Each cuff expansion / contraction portion 62 has one or a plurality of elastic members, and in the example shown in FIG. 2 and the like, it has two elastic members.
  • the end portion 62a of the cuff telescopic portion 62 in the vertical direction X is the end portion of the stretchable region of the elastic member. That is, when the end portion of the elastic member is joined to the cuff forming sheet 61 in a non-stretched state, the end portion 62a of the cuff expansion / contraction portion 62 is the non-stretchable portion of the elastic member. It is defined as the part above the vertical X excluding. Specifically, at the end portion 62a of the cuff expansion / contraction portion 62, the leakage-proof cuff 6 of the diaper 1 in a state where the elastic member is not stretched is visually confirmed, and a wrinkled portion and a wrinkle are formed on the elastic member.
  • each cuff expansion / contraction portion 62 has a plurality of elastic members
  • the end portion 62a is a boundary portion located at the uppermost position in the vertical direction X among the boundary portions of the plurality of elastic members.
  • the diaper 1 further includes a waste tape 10 arranged in the ventral region A or the dorsal region B so as to overlap the absorbent body 4 in a plan view.
  • planar view means a plan view of the diaper 1 in the expanded and extended form as viewed from the thickness direction Z.
  • the embodiment in which the waste tape 10 overlaps the absorbent main body 4 in a plan view includes a mode in which a part of the waste tape 10 overlaps the absorbent main body 4 in a plan view.
  • the disposal tape 10 is arranged in the dorsal region B.
  • the disposal tape 10 is fixed to the outer surface 5a of the exterior body 5 as described later. Further, in the example shown in FIG. 2, the disposal tape 10 is arranged on the center line CL along the vertical direction X that bisects the diaper 1 in the horizontal direction Y.
  • the disposal tape 10 has a fixing portion 11 and an extending portion 12.
  • the fixing portion 11 extends in the vertical direction X and is fixed to the outer surface 5a of the exterior body 5.
  • the extension portion 12 includes a first end portion (for example, an upper end portion 12a described later) connected to the fixing portion 11, and is removably arranged on the fixing portion 11.
  • the extension portion 12 extends in the vertical direction X and is configured to be expandable as described later.
  • Each component of the waste tape 10 extends in the vertical direction X "means that the longitudinal direction X1 of each component of the waste tape 10 is parallel to the vertical direction X or at an angle of 20 degrees or less with this.
  • the longitudinal direction X1 is preferably a direction parallel to the longitudinal direction X, as shown in FIG. 3, from the viewpoint of facilitating the deployment and extension of the diaper 1 by the disposer.
  • the waste tape 10 is connected to the second end portion (for example, the lower end portion 12b described later) of the extension portion 12, and is detachably arranged on the extension portion 12 as a non-stretchable fastening. It has a part 13.
  • the fixing portion 11, the extending portion 12, and the fastening portion 13 are laminated in this order in the thickness direction Z, and when unfolded, the fixing portion 11, the extending portion 12, and the fastening portion 13 are laminated. Is a long tape arranged in this order.
  • "unfolding the waste tape 10" means peeling the extension portion 12 from the fixing portion 11 and peeling the fastening portion 13 from the extension portion 12.
  • the fixing portion 11 includes an upper end portion 11a located above the vertical direction X and a lower end portion 11b located below the vertical direction X on the opposite side thereof.
  • the extension portion 12 includes an upper end portion 12a located above the vertical direction X and a lower end portion 12b located below the vertical direction X on the opposite side thereof.
  • the upper end portion 12a constitutes the first end portion of the extension portion 12
  • the lower end portion 12b constitutes the second end portion of the extension portion 12.
  • the fastening portion 13 includes an upper end portion 13a located above the vertical direction X and a lower end portion 13b located below the vertical direction X on the opposite side thereof.
  • the upper end portions 11a, 12a, 13a are the portions located most above the vertical direction X in each of the fixing portion 11, the extending portion 12, and the fastening portion 13, and the lower end portions 11b, 12b, 13b are the fixing portions 11, the extending portions. It is a portion located at the lowermost position X in the vertical direction in each of the fastening portion 12 and the fastening portion 13.
  • the portion of the fixed portion 11 on the upper end portion 11a side is folded back to the extended portion 12 side (non-skin side) to form the folded portion.
  • the upper end portion 11a of the fixing portion 11 is connected to the upper end portion 12a of the extending portion 12 by this folded portion.
  • the portion of the extended portion 12 on the lower end portion 12b side is folded back to, for example, the fastening portion 13 side (non-skin side) to form the folded portion.
  • the lower end portion 12b of the extension portion 12 is connected to the lower end portion 13b of the fastening portion 13 by this folded portion.
  • the waste tape 10 shown in FIG. 3 has a structure in which the fixing portion 11, the extending portion 12, and the fastening portion 13 are folded in three in a Z shape.
  • the fixing portion 11 has, for example, a fixing portion sheet piece 14 including a first surface 14a and a second surface 14b, and a fixing portion adhesive portion 15 arranged on the second surface 14b.
  • the fixed portion sheet piece 14 is composed of a strip-shaped sheet piece extending in the vertical direction X.
  • a stretchable or non-stretchable sheet can be used, and for example, a resin sheet (plastic sheet, film, etc.), a non-woven fabric, a woven fabric, or the like, which is known conventionally used. Can be used without particular limitation. Even when the sheet piece 14 for the fixing portion is stretchable, the stretchability is not exhibited because it is fixed to the outer surface 5a.
  • the fixing portion adhesive portion 15 fixes the fixing portion sheet piece 14 to the outer surface 5a.
  • the waste tape 10 is non-detachably fixed to the outer surface 5a of the diaper 1 by the adhesive portion 15 for the fixing portion.
  • the adhesive portion 15 for the fixing portion is formed by a known adhesive such as a hot melt adhesive.
  • the extending portion 12 has an extending portion sheet piece 16 including a first surface 16a and a second surface 16b, and an extending portion adhesive portion 17 arranged on the second surface 16b.
  • the stretchable sheet piece 16 is composed of a strip-shaped stretchable sheet piece extending in the vertical direction X.
  • the extended portion sheet piece 16 may have the same size as the fixed portion sheet piece 14, or may have a different size.
  • the stretchable portion adhesive portion 17 is for peeling and joining the stretchable portion sheet piece 16 onto the first surface 14a of the fixing portion 11 in the laminated state of the above-mentioned waste tape 10. Therefore, it is preferable that the adhesive portion 17 for the extension portion is formed by a weakly adhesive adhesive.
  • the stretchable portion 12 is configured to be stretchable in the longitudinal direction X1 when a tensile force is applied to the waste tape 10.
  • the stress at the start of extension of the extension portion 12 is preferably 5.0 N or less, more preferably 3.0 N or less.
  • an stretchable film can be used as the sheet piece 16 for such an stretchable portion.
  • the film include a single layer film and a multilayer film such as a coextruded film.
  • a resin film formed by melting and extruding a polyolefin-based resin such as linear low-density polyethylene is preferable.
  • polystyrene resin examples include polypropylene homopolymers; polypropylene copolymers of polypropylene and polyethylene, block copolymers, random copolymers, random block copolymers and the like; blends of the polypropylene homopolymers and the polypropylene copolymers; high-density polyethylene, low.
  • Polyethylene such as density polyethylene and linear low density polyethylene; blends of the polyethylene with the polypropylene homopolymer and / or the polypropylene copolymer and the like, and these include olefin-based, polyester-based, polyamide-based, styrene-based and the like.
  • Various thermoplastic elastomers may be blended and used.
  • at least one material selected from the group consisting of polyvinyl chloride, ethylene-vinyl acetate copolymer and polyvinyl alcohol is also preferable.
  • the fastening portion 13 is configured to be able to be fastened to the outer surface 5a of the diaper 1 in a state where the disposal tape 10 is unfolded when the diaper 1 is discarded.
  • the fastening portion 13 has a fastening portion sheet piece 18 including a first surface 18a and a second surface 18b, and a fastening portion adhesive portion 19 arranged on the second surface 18b.
  • the sheet piece 18 for the fastening portion is composed of a strip-shaped non-stretchable sheet piece extending in the vertical direction X.
  • the sheet piece 18 for the fastening portion may have the same size as the sheet piece 14 for the fixing portion or the sheet piece 16 for the extension portion, or may have a different size.
  • the adhesive portion 19 for the fastening portion is such that the fastening portion sheet piece 18 is detachably bonded to the first surface 16a of the extending portion 12 in the laminated state of the waste tape 10 described above, and the fastening portion 13 is attached.
  • the diaper 1 is attached to an arbitrary position on the outer surface 5a of the diaper 1. It is preferable that the degree of adhesiveness of the adhesive portion 19 for the fastening portion is determined from such a viewpoint.
  • the fastening portion 13 is non-stretchable.
  • non-stretchable is meant that no extensibility is exhibited in the longitudinal direction X1 or the extensibility is very low as compared with the extensibility portion 12.
  • the stress at the start of plastic deformation of the fastening portion 13 is preferably 30 N or less, more preferably 25 N or less.
  • the sheet piece 18 for the fastening portion for example, a conventionally used known sheet such as a resin sheet (plastic sheet, film, etc.), a non-woven fabric, or a woven fabric can be used without particular limitation. The method of measuring the stress at the start of plastic deformation of the fastening portion 13 will be described later.
  • the waste tape 10 shown in FIG. 3 has a grip portion 20 joined to the upper end portion 13a of the fastening portion 13.
  • the picking portion 20 is a portion for the discarder of the diaper 1 to grasp when the waste tape 10 is unfolded and stretched.
  • the gripped portion 20 typically has no adhesiveness from the viewpoint of ease of gripping.
  • the grip portion 20 is formed of, for example, a sheet piece that is connected to the second surface 18b of the fastening portion sheet piece 18 and is separate from the fastening portion sheet piece 18.
  • the diaper 1 is rolled from the inseam region C toward the waist opening 1W so that the side on which the disposal tape 10 is not arranged (for example, the ventral region A) is on the inside. Then, the waist opening 1W on the side where the disposal tape 10 is arranged (for example, the dorsal side region B) is covered on the rolled outer surface 5a.
  • the grip portion 20 of the disposal tape 10 is grasped with a finger and pulled in the longitudinal direction X1 of the disposal tape 10, and the disposal tape 10 is developed from a laminated state to a strip-shaped state. Let me. Further, by pulling the grip portion 20 in the longitudinal direction X1, the extension portion 12 starts to extend. Subsequently, the stretched waste tape 10 is wrapped around the outer surface 5a of the rolled diaper 1. Then, the fastening portion 13 is fastened to an arbitrary position on the outer surface 5a of the diaper 1. As a result, the disposal form of the diaper 1 as shown in FIG. 6 is formed.
  • the position of the waste tape 10 is defined as follows in relation to the leakage-proof cuff 6, so that the extension by the leakage-proof cuff 6 assists the extension of the disposal tape 10 during the above-mentioned disposal operation.
  • the disposal operation can be performed more smoothly and reliably.
  • the distance D1 along the vertical direction X between the lower end portion 11b of the fixing portion 11 of the waste tape 10 and the opening end 50 of the waist opening 1W is the cuff expansion / contraction portion.
  • the distances D1 and D2 are the distances measured in the expanded / extended form as shown in FIGS. 2 and 7.
  • the distance D1 is the distance D2 between the end portion 62a located on the ventral region A side and the opening end 50, or the distance between the end portion 62a located on the dorsal region B side and the opening end 50.
  • the smaller distance D2 or more may be used.
  • the distance D1 is an end portion located on the dorsal region B or ventral region A side on which the disposal tape 10 is arranged, as shown in FIG.
  • the distance D2 or more between 62a and the opening end 50 is preferable.
  • the distance between the lower end portion 11b of the fixing portion 11 and the end portion 62a of the cuff expansion / contraction portion 62 becomes close.
  • the tensile force easily acts on the cuff expansion / contraction portion 62 of the leakage-proof cuff 6. That is, due to the tensile force, the waste tape 10 can be stretched, and the cuff expansion / contraction portion 62 of the leakage-proof cuff 6 can be stretched.
  • the cuff stretchable portion 62 can be formed of an easily stretchable elastic member such as a rubber thread.
  • the disposer of the diaper 1 (absorbent article) can feel that the disposal tape 10 is smoothly stretched with a small load. Further, since the leak-proof cuff 6 is also stretched by the tensile force, the energy of the tensile force is consumed by the stretching of the leak-proof cuff 6, and it is possible to prevent the stretched portion 12 from being excessively stretched. Further, even if the discarder feels that the waste is easily stretched, it becomes difficult for the discarder to apply an excessive tensile force to the waste tape 10, and the excessive stretch of the stretched portion 12 is prevented. As a result, the risk of the stretched portion 12 being stretched until it is plastically deformed can be reduced, and the breakage of the waste tape 10 due to the decrease in strength is suppressed.
  • the extension of the leak-proof cuff 6 assists the extension of the extension portion 12, and the disposal tape 10 feels easy to extend and is for disposal. Breaking of the tape 10 is suppressed.
  • the diaper 1 (absorbent article) can be smoothly disposed of by the disposal tape 10, and the disposal shape of the diaper 1 (absorbent article) can be reliably formed.
  • the risk that the fixing portion 11 is detached from the outer surface 5a can be reduced. Further, along with this, it is possible to limit the amount of the adhesive used in the fixing portion adhesive portion 15 of the fixing portion 11, and it is also possible to suppress a feeling of strangeness when worn by the fixing portion 11.
  • the diaper 1 may be rolled up and discarded after the side edges A1 and B1 of the ventral region A and the dorsal region B are separated.
  • the tensile force applied to the waste tape 10 may act more directly on the region (dorsal region B or ventral region A) where the waste tape 10 is arranged. Therefore, when the distance D1 is equal to or greater than the distance D2 between the end portion 62a located in the dorsal region B or the ventral region A where the disposal tape 10 is arranged and the open end 50, the ventral region A.
  • the tensile force can be easily propagated by the cuff expansion / contraction portion 62. Therefore, the cuff expansion / contraction portion 62 becomes easier to expand, and the above-mentioned action and effect can be obtained more reliably.
  • the extensibility of the cuff elastic portion 62 is preferably defined in relation to the extensibility of the waste tape 10.
  • the waste tape 10 having a laminated structure is first developed in a long shape. After that, the stretching portion 12 starts stretching at a predetermined stress (which is regarded as the first stress). Then, when the load in the longitudinal direction X1 is continuously applied to the waste tape 10, the extension portion 12 starts plastic deformation at a predetermined stress (referred to as a second stress) larger than the first stress. Further, when a load is continuously applied to the waste tape 10 in the longitudinal direction X1, the waste tape 10 breaks at a predetermined stress larger than the second stress.
  • the fastening portion 13 may be plastically deformed at a predetermined stress larger than the second stress, and then the disposal tape 10 may be broken. Since the strength of the waste tape 10 decreases when it is plastically deformed, it is preferable that the waste tape 10 be wound around the rolled diaper 1 at the stage from the start of elongation to the start of plastic deformation.
  • the "stress at the start of stretching of the waste tape 10 (first stress)” means the stress at the start of stretching of the stretched portion 12, and the “start of plastic deformation of the waste tape 10".
  • the “stress at time (second stress)” means the stress at the start of plastic deformation of the elongated portion 12.
  • the stress at the start of extension of the cuff expansion / contraction portion 62 of the leak-proof cuff 6 is smaller than the stress at the start of plastic deformation of the waste tape 10 (second stress).
  • the cuff expansion / contraction portion 62 can start stretching at the stage where the waste tape 10 is elastically deformed before reaching plastic deformation. Therefore, before the plastic deformation of the waste tape 10, the energy of the tensile force from the waste is consumed by the elongation of the cuff expansion / contraction portion 62, and it becomes easier for the waste to get a feeling of smooth expansion, and the waste tape 10 Plastic deformation is suppressed more effectively.
  • the stress at the start of extension of the cuff expansion / contraction portion 62 of the leak-proof cuff 6 is smaller than the stress at the start of extension of the waste tape 10 (first stress). Since the cuff expansion / contraction portion 62 starts stretching before the waste tape 10 starts stretching, the load at the initial stage of the pulling operation of the waste tape 10 is felt lightly. As a result, the disposer of the diaper 1 can more reliably obtain the feeling that the disposal tape 10 is smoothly stretched with a small load in the initial stage of stretching.
  • the fixing portion 11 is arranged on the joining region S where the exterior body 5 and the absorbent body 4 are joined.
  • the aspect of "at least a part of the fixing portion 11 is arranged on the joining region S" includes an aspect in which at least a part of the fixing portion 11 is arranged on at least a part of the joining region S.
  • the joining region S means a region where the exterior body 5 and the constituent member (for example, the back surface sheet) on the non-skin facing surface side of the absorbent main body 4 are joined by a known joining method such as an adhesive or fusion. In the example shown in FIG.
  • the joining region S may include, for example, a plurality of small regions having a planar shape such as a band shape, a linear shape, or a dot shape. These small regions may be arranged intermittently in a plane direction orthogonal to the thickness direction Z. In this case, it is preferable that at least a part of the fixing portion 11 is arranged on one or more of the small regions.
  • the tensile force pulling the waste tape 10 can be easily propagated to the absorbent main body 4 through the joint region S.
  • the leakage-proof cuff 6 of the absorbent main body 4 becomes more easily stretched by the tensile force. Therefore, it becomes easier to obtain the effect that the elongation of the waste tape 10 is assisted by the elongation of the leakage-proof cuff 6.
  • the distance D3 along the vertical direction X between the lower end portion 11b of the fixed portion 11 and the end portion 62a of the cuff telescopic portion 62 is the dimension L in the vertical direction X of the fixed portion 11. It is preferably 50% or less of.
  • the distance D3 is the difference between the distance D1 along the vertical direction X between the lower end portion 11b of the fixed portion 11 and the opening end 50 and the distance D2 between the end portion 62a of the cuff telescopic portion 62 and the opening end 50. Can be calculated as.
  • the end portion 62a used for calculating the distance D3 is the end portion 62a located on the ventral side region A side or the end portion 62a located on the dorsal side region B side, whichever has the smaller distance D2.
  • the region on the upper end portion 11a side of the fixing portion 11 is located above the vertical direction X of the cuff expansion / contraction portion 62. Therefore, the region on the upper end portion 11a side of the fixing portion 11 is less likely to be affected by the expansion and contraction of the cuff expansion / contraction portion 62, and the bonding between the fixing portion 11 and the exterior body 5 becomes more stable.
  • leg elastic members 21 are arranged along the pair of leg openings 1L.
  • the leg elastic member 21 includes one or more thread-shaped or band-shaped elastic members (for example, rubber thread).
  • the leg elastic member 21 extends along the vertical direction X in the expanded / extended form as shown in FIGS. 2 and 7.
  • "The leg elastic member 21 extends in the vertical direction X" means that the leg elastic member 21 extends in the vertical direction X upward from the vertical X intermediate portion of the inseam region C.
  • the upper end portion 21a of the leg elastic member 21 above the vertical direction X is the portion of the leg elastic member 21 located most above the vertical X in the expanded / extended form as shown in FIGS. 2 and 7. In the example shown in FIGS. 2 and 7, the upper end portion 21a is located at the side edge portions A1 and B1 of the ventral region A and the dorsal region B.
  • the distance D1 along the vertical direction X between the lower end 11b of the fixing portion 11 and the opening end 50 is for the leg. It is preferably smaller than the distance D4 along the vertical direction X between the upper end 21a of the elastic member 21 and the opening end 50. That is, it is preferable that the lower end portion 11b of the fixed portion 11 is located above the upper end portion 21a in the vertical direction X.
  • the tensile force when stretching the waste tape 10 can be suppressed from acting on the leg elastic member 21, and the leg elastic member 21 is suppressed from being stretched by the tensile force. Therefore, with this configuration, it is possible to suppress a problem that the diaper 1 is stretched too much in the vertical direction X with the stretching of the waste tape 10 and is excessively shrunk when the tensile force is weakened.
  • the stress at the start of extension of the cuff expansion / contraction portion 62 of the leakage-proof cuff 6 is preferably 0.5 N or less, more preferably 0.2 N or less.
  • the stress (first stress) at the start of stretching of the waste tape 10 (stretching portion 12) is preferably 5.0 N or less, more preferably 3.0 N or less.
  • the stress (second stress) at the start of plastic deformation of the waste tape 10 (extended portion 12) is preferably 6.0 N or more, more preferably 8.0 N or more.
  • the cuff forming sheet 61 of the leak-proof cuff 6 is in a state of being peeled off from the surface sheet 2 or the like of the absorbent main body 4. Subsequently, the longitudinal direction of the leak-proof cuff 6 is made to match the tensile direction, the distance between the chucks is set to 100 mm, and the leak-proof cuff 6 is used as a chuck of a tensile tester (for example, manufactured by Orientec Co., Ltd., model "RTA-100"). Install.
  • both ends of the cuff telescopic portion 62 are attached to the chuck.
  • the tensile load (stress) that changes with the tensile distance is measured by pulling at a speed of 300 mm / min.
  • the leakage-proof cuff 6 does not extend and the tensile distance increases until the leakage-proof cuff 6 is stretched in the longitudinal direction.
  • the slope of the stress (N) -elongation curve changes, and the stress increases in proportion to the tensile distance.
  • the stress at the point where the inclination first changes is defined as the stress (N) at the start of extension of the cuff expansion / contraction portion 62 of the leak-proof cuff 6.
  • the stretched portion 12 of the waste tape 10 is peeled off from the fixed portion 11 so as to be stretched in the longitudinal direction X1.
  • the longitudinal direction X1 of the extension portion 12 is aligned with the tension direction, the distance between the chucks is set to 30 mm, and the extension portion 12 is attached to the chuck of a tensile tester (for example, manufactured by Orientec Co., Ltd., model “RTA-100”).
  • a tensile tester for example, manufactured by Orientec Co., Ltd., model “RTA-100”.
  • the stress (tensile load) that changes with the tensile distance is measured by pulling at a speed of 300 mm / min.
  • the stretched portion 12 does not stretch and the tensile distance increases until the stretched portion 12 is stretched in the longitudinal direction X1.
  • the slope of the stress (N) -elongation curve changes significantly, and the stress begins to increase in proportion to the elongation.
  • the stress at the point where the slope first changes is defined as the first stress (N), which is the stress at the start of stretching of the waste tape 10 (stretching portion 12).
  • the slope of the stress (N) -elongation curve becomes small at a certain point, and a point where the stress hardly changes with respect to the tension distance appears.
  • the stress at the point where the inclination changes significantly after the start of stretching is defined as the second stress (N), which is the stress at the start of plastic deformation of the waste tape 10 (stretched portion 12).
  • the second stress (N) can be the inflection of the stress (N) -elongation curve.
  • the fastening portion 13 of the waste tape 10 is peeled off from the extending portion 12 so as to be extended in the longitudinal direction X1.
  • the longitudinal direction X1 of the waste tape 10 is aligned with the tensile direction, the distance between the chucks is set to 30 mm, and the fastening portion 13 is attached to the chuck of a tensile tester (for example, manufactured by Orientec Co., Ltd., model "RTA-100").
  • Install When attaching the fastening portion 13 to the chuck, avoid the joint portion with the extension portion 12 and the joint portion with the knob portion described later, and attach the joint portion between the two joint portions to the chuck.
  • the stress (tensile load) that changes with the tensile distance is measured by pulling at a speed of 300 mm / min.
  • the fastening portion 13 does not extend and the tensile distance increases until the fastening portion 13 is stretched in the longitudinal direction.
  • the slope of the stress (N) -elongation curve changes significantly, and the stress begins to increase in proportion to the elongation.
  • the stress at the point where the inclination first changes is defined as the stress (N) at the start of extension when the fastening portion 13 starts extension.
  • the slope of the stress (N) -elongation curve becomes small at a certain point, and a point where the stress hardly changes with respect to the tensile distance appears.
  • the stress at the point where the inclination changes significantly after the start of the elongation is defined as the stress (N) at the start of the plastic deformation of the fastening portion 13.
  • the stress (N) at the start of plastic deformation of the fastening portion 13 can be an inflection point of the stress (N) -elongation curve.
  • Examples of the adhesive portion 17 for the extension portion that detachably joins the extension portion 12 and the fixing portion 11 and the adhesive portion 19 for the fastening portion that detachably joins the fastening portion 13 and the extension portion 12 are rubber-based.
  • a pressure-sensitive adhesive and an acrylic pressure-sensitive adhesive are generally used, and a rubber-based pressure-sensitive adhesive is preferably used.
  • Examples of the rubber-based pressure-sensitive adhesive include synthetic rubbers such as styrene-butadiene block copolymers and hydrogenated styrene-butadiene block copolymers, and blends of these synthetic rubbers with resins. Further, heat seals, hot melt adhesives, melt blow-like adhesives, fibrous adhesives and the like may be used for the adhesive portions 17 and 19.
  • the adhesive portion 17 for the extension portion and the adhesive portion 19 for the fastening portion are formed on the entire surfaces of the second surface 16b of the extension portion sheet piece 16 and the second surface 18b of the fastening portion sheet piece 18, respectively. good. Further, the adhesive portions 17 and 19 may be formed intermittently, respectively. In this case, the adhesive portions 17 and 19 can be formed intermittently by intermittently applying the above-mentioned adhesive.
  • the distance D1 along the vertical direction X between the lower end portion 11b of the fixed portion 11 and the open end 50 avoids the joint position of the fixed portion 11 from the configuration of the waist gather or the like, and the feeling of wearing due to the waste tape 10 is reduced. From the viewpoint of suppressing the above, it is preferably 65 mm or more, more preferably 70 mm or more, preferably 115 mm or less, and more preferably 110 mm or less.
  • the distance D2 along the vertical direction X between the end portion 62a of the cuff expansion / contraction portion 62 and the opening end 50 provides a good fit of the leakage-proof cuff 6 and the tensile force of the waste tape 10 is applied to the cuff expansion / contraction portion. From the viewpoint of effectively acting on 62, it is preferably 63 mm or more, more preferably 65 mm or more, preferably 113 mm or less, and more preferably 105 mm or less.
  • the dimension L of the fixed portion 11 in the vertical direction X is preferably 40 mm or more, more preferably 40 mm or more, from the viewpoint of obtaining a sufficient length when the waste tape 10 is unfolded and stretched and compactly configuring the waste tape 10.
  • the distance D3 along the vertical direction X between the lower end portion 11b of the fixing portion 11 and the end portion 62a of the cuff expansion / contraction portion 62 ensures the bonding strength between the fixing portion 11 and the outer surface 5a, and the waste tape 10 From the viewpoint of ensuring that the tensile force of the cuff expands and contracts 62, it is preferably 2 mm or more, more preferably 5 mm or more, preferably 60 mm or less, and more preferably 55 mm or less.
  • the waste tape 10 may not have a fastening portion 13 and may be configured to be fastened to the outer surface 5a by the extending portion adhesive portion 17 of the extending portion 12.
  • the knob portion may be joined to the second end portion (end portion not connected to the fixing portion 11) of the extension portion 12.
  • the disposal tape 10 does not have to have the picking portion 20.
  • the lower end portion 12b of the extension portion 12 is connected to the fixing portion 11, the upper end portion 12a constitutes the second end portion of the extension portion 12, and the lower end portion 12b forms the first end portion of the extension portion 12. It may be configured.
  • the upper end portion 12a may be connected to the fastening portion 13 and the grip portion 20 may be arranged on the inseam region C side.
  • the fixing portion 11 does not have the fixing portion adhesive portion 15, and the fixing portion sheet piece 14 may be fixed to the outer surface 5a by a known joining method (for example, fusion) other than the adhesive.
  • the disposal tape 10 is not limited to the example of being arranged on the center line CL along the vertical direction X, and may be arranged on the lateral Y side of the center line CL.
  • the diaper 1 having the exterior body 5 extending over the ventral region A, the inseam region C, and the dorsal region B has been described, but the present invention is not limited thereto.
  • the pants-type absorbent article of the present invention may be an exterior body split type pants-type absorbent article.
  • the exterior body is divided into a dorsal seat member arranged on the back side of the wearer and a ventral seat member arranged on the ventral side, and the dorsal seat member.
  • the ventral sheet member are joined at the side edge portion.
  • the absorbent main body is bridged and fixed between the dorsal seat member and the ventral seat member.
  • pants-type disposable diaper an example of a pants-type disposable diaper is shown as a pants-type absorbent article, but the present invention is not limited to this.
  • the pants-type absorbent article of the present invention may be, for example, pants-type disposable sanitary shorts.
  • the present invention further discloses the following appendix. ⁇ 1> It has a waist opening, a pair of leg openings, a vertical direction extending from the ventral side of the wearer through the crotch to the dorsal side, and a horizontal direction orthogonal to the vertical direction, and has the vertical direction.
  • a pants-type absorbent article divided into a ventral region, an inseam region, and a dorsal region along the direction.
  • the pants-type absorbent article is Absorbent body including absorber and The exterior body, including the outer surface, arranged on the non-skin facing surface side of the absorbent body, Further provided with a waste tape arranged in the ventral region or the dorsal region so as to overlap the absorbent body in a plan view.
  • the waste tape is A fixing portion extending in the vertical direction and fixed to the outer surface of the exterior body, It comprises an extendable extendable portion that includes a first end connected to the fixed portion, extends in the vertical direction, and is detachably arranged on the fixed portion.
  • the absorbent body includes each of the vertically extending and stretchable cuff telescopic portions, and has a pair of leak-proof cuffs arranged on both sides in the lateral direction.
  • the vertical distance between the lower end of the fixing portion in the vertical direction and the opening end of the waist opening is the distance between the end of the cuff telescopic portion and the opening end.
  • Pants-type absorbent article that is greater than or equal to the distance along the vertical direction.
  • ⁇ 2> The pants-type absorbent article according to ⁇ 1>, wherein the stress at the start of extension of the cuff elastic portion is smaller than the stress at the start of plastic deformation of the waste tape.
  • ⁇ 3> The pants-type absorbent article according to ⁇ 2>, wherein the stress at the start of plastic deformation of the waste tape is 6.0 N or more, preferably 8.0 N or more.
  • ⁇ 4> The pants-type absorbent article according to ⁇ 2> or ⁇ 3>, wherein the stress at the start of plastic deformation of the anchored portion is 30 N or less, preferably 25 N or less.
  • ⁇ 5> The pants-type absorbent article according to any one of ⁇ 2> to ⁇ 4>, wherein the stress at the start of extension of the cuff elastic portion is smaller than the stress at the start of extension of the waste tape.
  • ⁇ 6> The pants-type absorbent article according to ⁇ 5>, wherein the stress at the start of stretching of the waste tape is 5.0 N or less, preferably 3.0 N or less.
  • ⁇ 7> The pants-type absorbent article according to any one of ⁇ 1> to ⁇ 6>, wherein at least a part of the fixing portion is arranged on a joint region where the exterior body and the absorbent body are joined.
  • the distance along the vertical direction between the lower end portion of the fixed portion and the end portion of the cuff telescopic portion is 50% or less of the vertical dimension of the fixed portion from the above ⁇ 1>.
  • ⁇ 9> In the exterior body, elastic members for legs are arranged along the pair of leg openings. The distance along the vertical direction between the lower end portion of the fixing portion and the opening end is the vertical direction between the upper end portion of the leg elastic member in the vertical direction and the opening end.
  • the extension further includes a second end opposite the first end.
  • the waste tape has a non-stretchable fastening portion connected to the second end portion of the stretched portion.
  • the pants-type absorbent article according to any one of ⁇ 1> to ⁇ 9>, wherein the fastening portion is removably arranged on the extending portion.
  • Example 1 The pants-type disposable diaper of Example 1 of this embodiment was produced. First, prepare Mary's Pants L size (manufactured by Kao Corporation) as a pants-type disposable diaper, and position the disposal tape so that the lower end of the fixing part is located vertically below the end of the cuff expansion and contraction part. Was adjusted. The disposal tape was placed on the outer surface of the dorsal region via a fixation. The fixing portion and the fastening portion of the waste tape were formed of a film using a polypropylene / polyethylene mixture, and the elongated portion was formed of a film using a low density polyethylene. In the diaper of Example 1, the dimension L of the fixing portion of the waste tape in the vertical direction was set to 55 mm as shown in Table 1.
  • the distance D1 along the vertical direction between the lower end of the fixing portion of the waste tape and the opening end of the waist opening was set to 97 mm.
  • the distance D2 along the vertical direction between the end of the cuff telescopic portion and the open end was set to 95 mm.
  • the vertical distance D3 between the lower end of the fixed portion and the end of the cuff telescopic portion was 2 mm.
  • Examples 2 and 3 pants-type disposable diapers having the same configuration as that of Example 1 except for the distance D1 were produced. Similar to Example 1, these diapers were manufactured so that the lower end portion of the fixed portion was arranged vertically below the end portion of the cuff expansion / contraction portion.
  • the distance D1, the distance D2, the distance D3, and the dimension L are the values shown in Table 1.
  • Example 4 As Example 4, a pants-type disposable diaper having the same configuration as that of Example 1 except for the distance D1 and the dimension L was produced. This diaper was produced so that the lower end portion of the fixed portion was arranged vertically below the end portion of the cuff expansion / contraction portion, as in Examples 1 to 3.
  • the distance D1, the distance D2, the distance D3, and the dimension L are the values shown in Table 1.
  • Comparative Example 1 As Comparative Example 1, a pants-type disposable diaper having the same configuration as that of the first embodiment except for the distance D1 was produced, in which the lower end of the fixed portion was arranged so as to be aligned laterally with the end of the cuff telescopic portion. bottom. That is, the distance D3 was 0 mm as shown in Table 1. The distance D1, the distance D2, and the dimension L are the values shown in Table 1.
  • Comparative Example 2 As Comparative Example 2, a pants-type disposable diaper having the same configuration as that of the first embodiment except for the distance D1 was produced, in which the lower end of the fixed portion was arranged vertically above the end of the cuff telescopic portion. ..
  • the distance D1, the distance D2, and the dimension L are the values shown in Table 1.
  • the distance D3 is represented as ⁇ 10 mm in view of the fact that the difference obtained by subtracting the distance D2 from the distance D1 becomes negative.
  • the leak-proof cuff was pulled at a speed of 300 mm / min, and the tensile load (stress) that changed with the tensile distance was measured.
  • stress the point at which the slope of the stress (N) -elongation curve first changed significantly and the stress began to increase in almost proportional to the elongation was defined as the stress (N) at the start of elongation of the cuff expansion / contraction part. ..
  • the stress (N) at the start of extension of the cuff expansion / contraction portion was 0.02N.
  • the stretched portion was pulled at a speed of 300 mm / min, and the stress (load) changing with the tensile distance was measured.
  • the point at which the slope of the stress (N) -elongation curve first changed significantly and the stress began to increase in substantially proportional to the elongation was defined as the stress at the start of elongation of the waste tape.
  • the stress at the point where the inclination changed significantly from the time of elongation and the stress began to change in proportion to the elongation was defined as the stress at the start of plastic deformation of the waste tape.
  • the diapers of Examples 1 to 4 in which the lower end portion of the fixed portion is arranged vertically lower than the end portion of the cuff expansion / contraction portion are elongated as compared with the diapers of Comparative Examples 1 and 2. Since it is easy and hard to break, it can be disposed of smoothly and reliably with a disposal tape.
  • Diapers (disposable pants-type diapers, pants-type absorbent articles) 4 ... Absorbent body 40 ... Absorber 5 ... Exterior 5a ... Outer surface 10 ... Disposal tape 11 ... Fixed part 11b ... Lower end of fixed part 12 ... Extension part 6 ... Leakage-proof cuff 62 ... Cuff expansion / contraction part 62a ... Cuff expansion / contraction End of part A ... ventral area B ... dorsal area C ... inseam area
  • the pants-type absorbent article of the present invention it is possible to smoothly and surely dispose of the waste tape.

Abstract

Selon un mode de réalisation un article absorbant de type culotte est pourvu d'un corps absorbant, d'un corps extérieur, et d'une bande jetable. La bande jetable présente une portion fixe qui est fixée à la surface externe du corps extérieur et une portion étendue disposée de manière amovible sur la portion fixe. Le corps absorbant présente une paire de manchons de prévention des fuites comprenant chacun une partie étirable de manchon s'étendant dans le sens longitudinal. La distance dans le sens longitudinal entre l'extrémité inférieure de la portion fixe dans le sens longitudinal et une extrémité d'ouverture d'une ouverture de taille est supérieure ou égale à la distance dans le sens longitudinal entre les extrémités des parties étirables de manchon et l'extrémité d'ouverture.
PCT/JP2021/032714 2020-09-30 2021-09-06 Article absorbant de type culotte WO2022070793A1 (fr)

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CN202180062486.XA CN116209415A (zh) 2020-09-30 2021-09-06 短裤型吸收性物品

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JP2020-165221 2020-09-30
JP2020165221A JP2022057123A (ja) 2020-09-30 2020-09-30 パンツ型吸収性物品

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012228423A (ja) * 2011-04-27 2012-11-22 Kao Corp パンツ型吸収性物品

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JP6373242B2 (ja) * 2015-11-10 2018-08-15 ユニ・チャーム株式会社 パンツ型使い捨ておむつ
JP3212021U (ja) * 2017-06-05 2017-08-17 ユニ・チャーム株式会社 使い捨ておむつ
JP7212458B2 (ja) * 2017-08-08 2023-01-25 花王株式会社 パンツ型使い捨ておむつ
CN111432770B (zh) * 2017-12-22 2022-01-07 花王株式会社 一次性尿布
JP7078432B2 (ja) * 2018-03-28 2022-05-31 大王製紙株式会社 パンツタイプ使い捨て着用物品
JP7007989B2 (ja) * 2018-05-28 2022-01-25 花王株式会社 パンツ型使い捨ておむつ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012228423A (ja) * 2011-04-27 2012-11-22 Kao Corp パンツ型吸収性物品

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