WO2013024606A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2013024606A1
WO2013024606A1 PCT/JP2012/060793 JP2012060793W WO2013024606A1 WO 2013024606 A1 WO2013024606 A1 WO 2013024606A1 JP 2012060793 W JP2012060793 W JP 2012060793W WO 2013024606 A1 WO2013024606 A1 WO 2013024606A1
Authority
WO
WIPO (PCT)
Prior art keywords
sheet
flap
wing
width direction
absorbent article
Prior art date
Application number
PCT/JP2012/060793
Other languages
English (en)
Japanese (ja)
Inventor
工藤　淳
真理 安井
高橋　雄二
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 KR1020127025715A priority Critical patent/KR101291848B1/ko
Priority to SG2012065058A priority patent/SG188727A1/en
Publication of WO2013024606A1 publication Critical patent/WO2013024606A1/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
    • A61F13/56—Supporting or fastening means
    • A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
    • A61F13/5616—Supporting or fastening means specially adapted for sanitary napkins or the like using flaps, e.g. adhesive, for attachment to the undergarment
    • 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
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female 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
    • 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 an absorbent article such as a sanitary napkin, and more particularly to an absorbent article having a wing portion extending outward in the width direction from the absorbent body and folded back to the non-skin contact surface side of the underwear.
  • Patent Document 1 has a liquid-permeable top sheet, a liquid-impermeable back sheet, and an absorber disposed between the top sheet and the back sheet, and is located on the outer side in the width direction than the absorber.
  • a sanitary napkin having an extended wing is described.
  • the sanitary napkin described in Patent Document 1 When the sanitary napkin described in Patent Document 1 is attached to the underwear, the sanitary napkin is folded back to the non-skin contact surface side of the underwear from the crease located near the inner end in the width direction of the wing.
  • the fold line extends along both end portions of the crotch of the underwear, and extends from the front edge to the rear edge in the longitudinal direction of the wing portion. Therefore, the ends of the folds are located at the front edge and the rear edge of the wing portion, and twisting occurs. This twisted portion tends to become hard due to creases. When the twisted portion of the edge of the wing hits, there is a risk of irritation to the skin.
  • This invention is made
  • an absorbent article according to the present invention is a liquid-permeable article having an anteroposterior direction (longitudinal direction L) and a width direction (width direction W) perpendicular to the anteroposterior direction.
  • a constricted portion (constricted portion 45) that is constricted inward in the width direction is formed, and the flap portion and the constricted portion are recessed in the thickness direction of the flap portion, and are recessed extending rearward from the constricted portion.
  • the recessed portion 70) is formed, and the recessed portion and the constricted portion are wider than the fold formed in the wing portion in a state where the wing portion is folded back to the non-skin contact surface side. It is formed on the outside, and in the state where the wing part is folded back to the non-skin contact surface side, the flap part is folded back on the non-skin contact surface side of the underwear with the recess as a base point.
  • the gist is that the skin contact surface side of the flap portion is arranged to face the wearer.
  • FIG. 2 is a schematic cross-sectional view of the A-A ′ cross section shown in FIG. 1. It is a schematic diagram of the state which mounted
  • FIG. 5 is a schematic cross-sectional view of the B-B ′ cross section shown in FIG. 4.
  • FIG. 1 is a plan view of the absorbent article
  • FIG. 2 is a rear view of the absorbent article
  • 3 is a cross-sectional view taken along the line A-A ′ shown in FIG.
  • the absorbent article 1 according to the present embodiment is, for example, a sanitary napkin.
  • the absorbent article 1 includes a top sheet 10 that comes into contact with the wearer's skin, a liquid-impermeable back sheet 20 that does not transmit liquid, and an absorber 30.
  • the absorber 30 is disposed between the top sheet 10 and the back sheet 20. Therefore, the absorber 30 is shown with a broken line in FIG.1 and FIG.2.
  • the absorbent body 30 is disposed at a central portion in the longitudinal direction L and the width direction W along the front-rear direction of the absorbent article 1.
  • the absorbent article 1 includes a wing portion 43 disposed on the outer side in the width direction from the absorber 30 and a flap portion 60 disposed on the outer side in the width direction from the absorber 30 behind the wing portion 43.
  • the wing portion 43 is configured to be folded back to the non-skin contact surface side of the wearer's underwear and to wrap the underwear and fix the absorbent article to the underwear.
  • the wing portion 43 extends outward in the width direction from the excretion opening contact region of the absorber 30.
  • the front end 43F and the rear end 43R of the wing part 43 are located on the inner side in the width direction than the wing maximum width position 43WM located on the outermost side in the width direction in the wing part 43.
  • the front end 43F of the wing 43 is located on the inner side in the width direction than the rear end 43R of the wing 43. Therefore, in a state where the wing 43 is folded back to the non-skin contact surface side of the underwear along the longitudinal direction with the fold passing through the front end 43F of the wing 43 as a starting point, the front end 43F of the wing 43 Also, the width of the rear end portion 43R of the wing portion 43 that is wound on the non-skin contact surface side of the underwear becomes longer.
  • the wing portion 43 is wider than the wing maximum width position 43 WM located at the outermost side in the width direction and the flap maximum width position 60 WM located at the outermost side in the width direction at the flap portion 60.
  • a constricted portion 45 that is constricted inside is provided.
  • FIG. 1 illustrates a region RA of the wing portion 43 in the longitudinal direction L, a region RB of the flap portion 60 in the longitudinal direction L, and a region RC of the constricted portion 45 in the longitudinal direction.
  • the constricted portion 45 in the present embodiment is a region including a narrow position 45WN located on the innermost side in the width direction between the wing portion 43 and the flap portion 60.
  • the constricted portion 45 may be a region in the vicinity of the narrow position 45WN.
  • the constricted portion 45 may be a region 5 mm in the front-rear direction from the narrow position 45WN.
  • the wing portion in front of the constricted portion 45 is folded back to the non-skin contact surface side of the underwear, and the flap portion 60 behind the constricted portion 45 is attached to the wearer's body. Opposed to each other. Therefore, the end portion of the fold when the wing portion is folded is positioned in the constricted portion, and twisting occurs.
  • the flap portion 60 is a region extending outward in the width direction from the absorber 30 and extends rearward from the rear end portion of the constricted portion 45.
  • the front end portion of the flap portion 60 is a rear end portion of the constricted portion
  • the rear end portion of the flap portion 60 is a portion constricted inside the front and rear regions in the vicinity of the rear end portion of the absorbent article. is there.
  • the rear end of the flap portion coincides with a rear end 70R of a dent 70 described later.
  • the rear side edge part of the flap part 60 may correspond with the rear side edge part of an absorbent article, and does not need to correspond with the rear side edge part of an absorbent article.
  • the top sheet 10 is a liquid-permeable sheet that transmits liquid such as body fluid.
  • the top sheet 10 covers at least the surface of the absorber 30.
  • the top sheet 10 is not particularly limited as long as it is a sheet-like material having a structure that allows liquid to permeate, such as a nonwoven fabric, a woven fabric, a perforated plastic sheet, and a mesh sheet. Either natural fibers or chemical fibers can be used as the woven or non-woven material.
  • the back sheet 20 has substantially the same length as the top sheet 10.
  • a polyethylene sheet, a laminated nonwoven fabric mainly composed of polypropylene, a breathable resin film, a spunbond, a sheet obtained by bonding a breathable resin film to a nonwoven fabric such as spunlace, or the like can be used.
  • the back sheet 20 is preferably made of a material having flexibility that does not cause a sense of incongruity when worn.
  • the back sheet 20 is desirably liquid-impervious and moisture-permeable, and can be constituted by a microporous sheet obtained by stretching a melt-kneaded inorganic filler such as polyethylene or polypropylene. .
  • the absorber 30 includes hydrophilic fibers and pulp.
  • the absorber 30 is formed of a material that can absorb body fluid such as menstrual blood.
  • the absorbent body 30 may be formed by laminating hydrophilic fibers or powder by the airlaid method, an airlaid sheet obtained by forming hydrophilic fibers or powder into a sheet shape by the airlaid method, or a tissue (for example, It may be formed by placing pulverized pulp mixed with a superabsorbent polymer on a basis weight of 15 g / m 2 ) and wrapping it with a tissue.
  • the absorbent body 30 is configured by wrapping a pulp obtained by laminating cotton-like pulp, synthetic pulp or the like at a basis weight of about 100 to 300 g / m 2 with protective paper (not shown).
  • the absorber 30 may have a substantially uniform thickness over the entire surface or a non-uniform thickness.
  • the protective paper is for maintaining the shape of the pulp, and for example, crepe paper or tissue paper can be used.
  • the absorbent body 30 has a shape extending in the front-rear direction and is approximately one time smaller than the back sheet 20.
  • the length of the absorbent body 30 in the width direction W corresponds to the crotch interval of an adult woman and is approximately 50 to 80 mm.
  • the absorber 30 is bonded to the back sheet 20 with an adhesive such as hot melt. Moreover, in this Embodiment, the absorber 30 and the surface sheet 10 are adhere
  • the absorbent body 30 is provided so as to include at least the center of the excretion opening contact area where the wearer's excretion opening contacts.
  • the center of the excretory opening contact area coincides with the center in the longitudinal direction and the width direction of the area where the wearer's excretion opening comes into contact.
  • the center in the longitudinal direction of the wing portion is the center in the longitudinal direction of the excretory opening contact region.
  • the position where the length dimension of the width direction of an absorber is the shortest becomes the center of the longitudinal direction of an excretion opening
  • the excretory opening contact region is included in a region that contacts the wearer's crotch, and is located between the wearer's legs.
  • the absorbent article 1 includes a side sheet 41 provided outside the absorbent body 30 in the width direction W. Side sheets 41 are provided on the skin contact surfaces of the flap portion 60 and the wing portion 43.
  • the side sheet 41 is disposed on both sides of the top sheet 10.
  • the side sheet 41 is arrange
  • the side sheet 41 can be selected from the same material as the top sheet 10. However, in order to prevent menstrual blood from flowing over the side sheet 41 to the outside of the absorbent article 1, it is preferable to have hydrophobicity or water repellency.
  • the side sheet 41 covers a part of the side edge of the absorber 30 and the wing part 43 and the flap part 60.
  • the side sheet 41 according to the present embodiment is composed of an air-through nonwoven fabric. Since the air-through nonwoven fabric is soft and soft to the touch, the texture of the flap can be improved. When the flap part 60 is disposed along the body, the feeling of wearing can be further improved by improving the texture of the flap part.
  • an intermediate sheet 35 is provided between the side sheet 41 and the back sheet 20.
  • the outer end portion in the width direction of the intermediate sheet 35 is disposed on the outer side in the width direction than the outer end portion in the width direction of the absorber 30.
  • the absorbent body 30 and the intermediate sheet 35 are integrated to exhibit a visual effect that makes the area of the absorbent body 30 wide. it can.
  • the intermediate sheet 35 is disposed in a part of the wing part 43, a part of the flap part 60, and the constricted part 45.
  • the constricted portion is likely to be twisted in a state where the wing portion is folded back to the non-skin contact surface side of the underwear.
  • the intermediate sheet 35 is composed of an air-through nonwoven fabric.
  • the air-through nonwoven fabric is soft and soft because the bulk is recovered by blowing hot air through the nonwoven fabric and the hot air blown through the nonwoven fabric.
  • the wearing feeling can be further improved when the flap portion 60 is disposed along the body.
  • a thickness difference or a rigidity difference is formed at the boundary between the area where the intermediate sheet is disposed and the area where the intermediate sheet is not disposed.
  • the flap portion 60 is easily deformed with the end portion of the intermediate sheet as the base point.
  • the absorbent article is individually wrapped with a film or a non-woven fabric in a state where the absorbent article is folded based on a fold along the longitudinal direction or a fold along the width direction. In the absorbent article folded in this way, folded folds remain when folded, and it may be difficult to expand the absorbent article in a planar shape.
  • the intermediate sheet 35 by forming the intermediate sheet 35 with an air-through nonwoven fabric having a relatively high degree of freedom of fiber, it becomes difficult to crease and can be easily attached. From such a viewpoint, it is desirable that the intermediate sheet 35 straddles a crease formed when the absorbent article is folded.
  • the intermediate sheet 35 is intermittently bonded to at least the side sheet 41 via an adhesive.
  • the intermediate sheet according to the present embodiment is bonded to the top sheet 10 and the back sheet 20 through a hot melt adhesive arranged in a spiral shape. By intermittently joining the intermediate sheet 35 and the top sheet 10 or the like, the intermediate sheet 35 can be partially moved relative to the top sheet, and a soft texture can be maintained.
  • the peripheral edges of the top sheet 10, the side sheet 41, the intermediate sheet 35, and the back sheet 20 are joined to enclose the absorbent body 30.
  • any one or a combination of heat embossing, ultrasonic waves, or hot melt adhesive can be used as a method for joining the top sheet 10 and the back sheet 20.
  • an adhesive portion to which an adhesive is applied is provided in a plurality of regions (see FIG. 2).
  • the adhesive portion is provided on the back surface side of the absorbent body, and is provided on the back surface side of the wing portion 43 and the central adhesive portion 51 for fixing the absorbent article 1 to the crotch portion of the underwear.
  • Wing adhesion part 52 for fixing 43, and flap adhesion part 53 provided in the back side of flap part 60, and fixing with the flap part opened to the back body of underwear.
  • the adhesive In the state before use, the adhesive is in contact with a release sheet (not shown).
  • the release sheet prevents the adhesive from deteriorating before use. And a peeling sheet peels by a wearer at the time of use.
  • the absorbent article which does not have a peeling sheet you may be comprised so that it may prevent that an adhesive agent deteriorates before use with the packaging sheet which wraps an absorbent article separately.
  • the adhesive is in contact with the packaging sheet, it is desirable that the surface of the packaging sheet be subjected to a treatment that allows the adhesive to be peeled without reducing the adhesive strength of the adhesive.
  • the wing bonding portion 52 and the flap bonding portion 53 are provided in the region where the intermediate sheet 35 is disposed.
  • the back sheet 20 can be reinforced. Therefore, even when the back sheet 20 is made of a material having a low basis weight, the strength of the back sheet can be easily maintained, and the back sheet can be prevented from being torn when the absorbent article 1 is peeled off from the underwear after use.
  • the pressing part 80 which compressed the surface sheet 10 and the absorber 30 in the thickness direction is formed in the absorbent article 1.
  • the pressing part 80 should just be formed by pressing at least the surface sheet 10 and the absorber 30 in the thickness direction T, and can employ various configurations.
  • it can be formed by pressing or embossing, and the shape thereof may be a lattice network or a honeycomb shape.
  • the flap portion 60 is formed with a plurality of flap constricted portions in which the length in the width direction is shorter than the length in the width direction of the front and rear regions.
  • the flap constricted portion includes a first flap constricted portion 61 located on the front side and a second flap constricted portion 62 located on the rear side.
  • the flap portion 60 is a first flap portion 63 positioned in front of the first flap constricted portion 61 and a rear portion of the first flap constricted portion 61 and in front of the second flap constricted portion 62. 2 flap part 64 and the 3rd flap part 65 located in the back rather than the 2nd flap constriction part 62.
  • the first flap portion 63 is a region from the rear end portion 45R of the constricted portion 45 to the first flap constricted portion 61, and extends outward in the width direction from the rear end portion 45R toward the rear.
  • the first maximum width position (outer end portion) 63WM located on the outermost side in the width direction in the first flap portion 63 is located on the outer side in the width direction with respect to the first flap constricted portion 61.
  • the first maximum width position 63WM is located behind the center of the first flap 63 in the front-rear direction.
  • the second flap portion 64 is an area from the first flap constricted portion 61 to the second flap constricted portion 62 that becomes the rear end portion of the first flap portion 63, and has a width as it goes rearward from the first flap constricted portion 61. Extends outward in the direction.
  • the second maximum width position (outer end portion) 64WM located on the outermost side in the width direction in the second flap portion 64 is located on the outer side in the width direction with respect to the second flap constricted portion 62.
  • the second maximum width position 64WM is located behind the center of the second flap portion 64 in the front-rear direction.
  • the third flap portion 65 is a region from the second flap constricted portion 62 to the rear end portion of the flap portion 60 that is the rear end portion of the second flap portion 64, and is directed rearward from the second flap constricted portion 62. As it extends outward in the width direction.
  • the third maximum width position (outer end portion) 65WM located on the outermost side in the width direction in the third flap portion 65 is located on the outer side in the width direction with respect to the second flap constricted portion 62.
  • the third maximum width position 65WM is located behind the center of the third flap portion 65 in the front-rear direction.
  • the third maximum width position 65WM is the maximum width position of the flap portion.
  • the flap portion 60 and the constricted portion 45 are formed with a recessed portion 70 that is recessed in the thickness direction T.
  • the side sheet 41, the intermediate sheet 35, and the back sheet 20 are compressed in the thickness direction from the top sheet side to the back sheet side.
  • compression is performed from the side sheet 41 side constituting the top sheet toward the back sheet side.
  • the recessed portion extends rearward from the narrow position 45WN of the constricted portion.
  • the front end portion 70F of the recessed portion 70 is the narrow portion 45WN of the constricted portion
  • the rear end portion 70R of the recessed portion is the rear end portion of the flap portion.
  • the front side edge part of a dent part should just be provided in the constriction part, and may correspond with a narrow position, and does not need to correspond.
  • the rear end of the recess may or may not coincide with the rear end of the flap.
  • the concave portion 70 is a base point at which the flap portion is folded back on the non-skin contact surface side of the underwear in a state where the wing portion 43 is folded back to the non-skin contact surface side of the underwear.
  • the flap portion 60 is folded back with the recessed portion 70 as a base point, the skin contact surface side of the flap portion on the outer side in the width direction than the recessed portion is disposed to face the wearer. Since the recessed part 70 is compressed toward the back sheet side from the top sheet side, it is dented from the top sheet side to the back sheet side. Therefore, the flap 60 is easily folded back with the recess 70 as a base point.
  • the recessed portion 70 extends inward in the width direction from the constricted portion 45 toward the rear. According to such a recessed part, when the wing part 43 is folded back and the flap part is folded back with the recessed part as a base point, the area arranged on the non-skin contact surface side is reduced.
  • the recesses 70 are arranged in pairs with the absorber 30 in between.
  • the distance between the pair of recesses is the shortest in front of the maximum width position of the flap portion.
  • the recess 70 extends outward in the width direction toward the rear after the distance between the pair of recesses is shortened. Therefore, the flap portion can be easily expanded in the rear region.
  • the flap portion 60 is formed with a flap recess portion in which the side sheet 41, the intermediate sheet 35 and the back sheet 20 are compressed in the thickness direction.
  • the flap dent portion branches from the dent portion 70 and reaches the first flap constricted portion 61, and the second flap dent portion branches from the dent portion 70 and reaches the second flap constricted portion 62.
  • a third flap dent 74 that branches off from the dent 72 and reaches the vicinity of the third maximum width position 65WM located outside the third flap 65 in the width direction.
  • the 1st flap dent part 72, the 2nd flap dent part 73, and the 3rd flap dent part 74 are constituted so that it may extend from the width direction inner side to the width direction outside as it goes back.
  • the flap dent By forming the flap dent so that it extends from the inner side in the width direction to the outer side in the width direction as it goes backward, the flap dent is along the direction in which the force is applied, so the flap dent becomes the folding point and the flap folds naturally. It is. Therefore, it becomes easy to fit the flap part 60 to the body and the underwear without difficulty. Therefore, disordered wrinkles are unlikely to occur in the flap portion, a deformation without a sense of incongruity can be achieved, and a clean wearing feeling can be obtained.
  • FIG. 4 is a diagram schematically showing a state where the absorbent article 1 is attached to the underwear.
  • FIG. 5 is a cross-sectional view taken along the line B-B ′ shown in FIG. 4.
  • the wing portion of the absorbent article is folded back to the non-skin contact surface side of the underwear, it is folded back on the outer side in the width direction than the absorbent body.
  • the fold line FL formed in the wing portion is positioned on the inner side in the width direction than the recessed portion and the constricted portion before being folded back, and extends in the longitudinal direction along the side portion of the absorber.
  • the constricted part is arranged on the outer side in the width direction than the fold line FL formed in the wing part in a state where the wing part is folded back to the non-skin contact surface side, in the state where the wing part is folded back,
  • the neck part which becomes a root is arrange
  • the flap part is folded back via the recess part, the area
  • the manufacturing method of an absorbent article performs a surface sheet production
  • a surface sheet joining step is performed. Specifically, the top sheet 10 and the side sheet 41 are bonded by, for example, heat welding.
  • an absorber molding process is performed.
  • the absorber 30 is formed by molding pulp as a material of the absorber with a molding drum.
  • a reverse order may be sufficient as the order of the manufacturing process of the surface sheet of a 1st step and a 2nd step, and the absorber molding process of a 3rd step.
  • a joining process is performed. Specifically, the joining process which joins the absorber shape
  • the first pressing process is performed. Specifically, the absorber 30 and the topsheet 10 are compressed in the thickness direction to form the squeezed portion 80.
  • a back sheet joining step is performed. Specifically, the absorber, the top sheet, and the like that have formed the compressed parts are joined to the back sheet.
  • the second pressing process is performed. Specifically, the side sheet 41, the intermediate sheet 35, and the back sheet 20 are compressed in the thickness direction to form the recess 70.
  • a step of applying an adhesive is provided.
  • the absorbent article which concerns on this Embodiment can be manufactured according to said process.
  • the wing portion in front of the constricted portion is folded back to the non-skin contact surface side of the underwear, and the flap portion 60 behind the constricted portion 45 is the body of the wearer. It is arrange
  • the constricted portion is arranged on the outer side in the width direction than the fold formed in the state where the wing portion is folded back on the non-skin contact surface side of the underwear, the end of the fold is arranged on the non-skin contact surface side of the underwear Is done. Therefore, it is possible to prevent the twisted portion of the edge of the wing portion from directly contacting the skin, and to reduce irritation to the skin due to the fold.
  • the flap portion is folded back through the recess portion, an area on the outer side in the width direction than the recess portion in the flap portion can be arranged facing the wearer. Therefore, the irritation
  • the inner end in the width direction of the intermediate sheet is disposed on the inner side in the width direction than the outer end in the width direction of the absorber, and the intermediate sheet and the absorber overlap in the thickness direction.
  • the inner end portion in the width direction of the intermediate sheet is arranged on the outer side in the width direction than the outer end portion in the width direction of the absorber, and the intermediate sheet and the absorber are configured not to overlap in the thickness direction. May be.
  • the area between the absorbent body and the intermediate sheet is low in rigidity because the intermediate sheet and the absorbent body are not arranged, compared to the surrounding area. Easy to deform. Therefore, when the wing part is folded back to the non-skin contact surface side of the underwear, the region between the intermediate sheet and the absorber is deformed, and wrinkles and creases caused by twisting are formed in the flap part itself. Can be suppressed.
  • the rear end portion of the dent portion does not necessarily have to be located at the rear end portion of the flap portion, and may be displaced from the rear end portion of the flap portion.
  • the contact surface with respect to the wearer of a flap part does not necessarily need to be comprised with the air through nonwoven fabric.
  • the intermediate sheet does not necessarily need to be comprised with an air through nonwoven fabric, and also the intermediate sheet does not necessarily need to be provided.
  • the recess according to the present embodiment is linear, but may be constituted by, for example, a plurality of dot-like aggregates arranged intermittently. Moreover, although the dent part which concerns on this Embodiment is compressed and formed from the side sheet side which comprises a surface sheet to the back sheet side, for example, it is compressed and formed from the back sheet side to the side sheet side. May be.

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

Abstract

L'invention concerne un article absorbant (1) possédant un corps absorbant (30), des parties ailettes (43) et des parties rabats (60) s'étendant davantage en largeur côté extérieur par rapport au corps absorbant (30), ainsi qu'une partie rétrécie (45) située entre les parties ailettes et les parties rabats et qui se rétrécit en largeur côté intérieur. Une partie en retrait (70) est formée dans les parties rabats et la partie rétrécie, laquelle est en retrait dans le sens de l'épaisseur des parties rabats, et laquelle s'étend vers l'arrière à partir de la partie rétrécie. Lorsque les parties rabats sont repliées dans une position telle que leur surface n'entre pas en contact avec la peau, la partie en retrait des parties rabats est repliée sur la base du côté sans contact avec la peau d'un sous-vêtement, et le côté sans contact avec la peau des parties rabats est situé face à l'utilisateur.
PCT/JP2012/060793 2011-09-30 2012-04-20 Article absorbant WO2013024606A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020127025715A KR101291848B1 (ko) 2011-09-30 2012-04-20 흡수성 물품
SG2012065058A SG188727A1 (en) 2011-09-30 2012-04-20 Absorbent article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011217600A JP5082006B1 (ja) 2011-09-30 2011-09-30 吸収性物品
JP2011-217600 2011-09-30

Publications (1)

Publication Number Publication Date
WO2013024606A1 true WO2013024606A1 (fr) 2013-02-21

Family

ID=46554510

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/060793 WO2013024606A1 (fr) 2011-09-30 2012-04-20 Article absorbant

Country Status (7)

Country Link
JP (1) JP5082006B1 (fr)
KR (1) KR101291848B1 (fr)
CN (2) CN202714979U (fr)
MY (1) MY148446A (fr)
SG (1) SG188727A1 (fr)
TW (1) TWI397404B (fr)
WO (1) WO2013024606A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6219573B2 (ja) * 2013-01-31 2017-10-25 ユニ・チャーム株式会社 吸収性物品
JP6220588B2 (ja) * 2013-07-26 2017-10-25 花王株式会社 吸収性物品
JP5738449B2 (ja) * 2013-07-26 2015-06-24 花王株式会社 吸収性物品
JP6301177B2 (ja) * 2014-04-15 2018-03-28 ユニ・チャーム株式会社 吸収性物品及び吸収性物品の製造方法
JP6051285B1 (ja) * 2015-09-30 2016-12-27 ユニ・チャーム株式会社 吸収性物品
JP6537658B1 (ja) * 2018-03-28 2019-07-03 大王製紙株式会社 吸収性物品
WO2021132724A1 (fr) * 2019-12-27 2021-07-01 ユニ・チャーム株式会社 Article absorbant et emballage pour article absorbant
WO2023277013A1 (fr) * 2021-06-30 2023-01-05 ユニ・チャーム株式会社 Article absorbant

Citations (6)

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JP2003111792A (ja) * 2001-10-04 2003-04-15 Daio Paper Corp 吸収性物品
JP2003284741A (ja) * 2002-03-28 2003-10-07 Daio Paper Corp 吸収性物品
JP2005007144A (ja) * 2003-05-29 2005-01-13 Uni Charm Corp 生理用ナプキン
JP2006034496A (ja) * 2004-07-26 2006-02-09 Kao Corp 吸収性物品
JP2010082061A (ja) * 2008-09-30 2010-04-15 Daio Paper Corp 吸収性物品
JP2011156240A (ja) * 2010-02-03 2011-08-18 Unicharm Corp 吸収性物品

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Publication number Priority date Publication date Assignee Title
US4917697A (en) * 1988-03-31 1990-04-17 The Procter & Gamble Company Sanitary napkins having flaps and stress relief means
CA2187627C (fr) * 1994-04-15 2000-08-15 Catherine Jean Randall Article absorbant comportant des rabats et differents types de zones a extensibilite variable
JP3816294B2 (ja) * 2000-03-30 2006-08-30 大王製紙株式会社 前漏れ防止効果の高い生理用ナプキン
CN100482191C (zh) * 2003-05-29 2009-04-29 尤妮佳股份有限公司 卫生巾
JP4312113B2 (ja) * 2004-07-09 2009-08-12 ユニ・チャーム株式会社 生理用ナプキン

Patent Citations (6)

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Publication number Priority date Publication date Assignee Title
JP2003111792A (ja) * 2001-10-04 2003-04-15 Daio Paper Corp 吸収性物品
JP2003284741A (ja) * 2002-03-28 2003-10-07 Daio Paper Corp 吸収性物品
JP2005007144A (ja) * 2003-05-29 2005-01-13 Uni Charm Corp 生理用ナプキン
JP2006034496A (ja) * 2004-07-26 2006-02-09 Kao Corp 吸収性物品
JP2010082061A (ja) * 2008-09-30 2010-04-15 Daio Paper Corp 吸収性物品
JP2011156240A (ja) * 2010-02-03 2011-08-18 Unicharm Corp 吸収性物品

Also Published As

Publication number Publication date
CN102614050A (zh) 2012-08-01
TWI397404B (zh) 2013-06-01
SG188727A1 (en) 2013-05-31
CN202714979U (zh) 2013-02-06
CN102614050B (zh) 2013-08-14
MY148446A (en) 2013-04-22
JP5082006B1 (ja) 2012-11-28
KR20130038209A (ko) 2013-04-17
TW201304753A (zh) 2013-02-01
KR101291848B1 (ko) 2013-07-31
JP2013075081A (ja) 2013-04-25

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