WO2003079950A1 - Underpants type disposable diaper - Google Patents
Underpants type disposable diaper Download PDFInfo
- Publication number
- WO2003079950A1 WO2003079950A1 PCT/JP2003/003017 JP0303017W WO03079950A1 WO 2003079950 A1 WO2003079950 A1 WO 2003079950A1 JP 0303017 W JP0303017 W JP 0303017W WO 03079950 A1 WO03079950 A1 WO 03079950A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- body fluid
- side edge
- absorbing portion
- edge
- fluid absorbing
- Prior art date
Links
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
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/49413—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier
- A61F13/4942—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an upstanding barrier the barrier not being integral with the top- or back-sheet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
-
- 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
- A61F13/49001—Absorbent articles specially adapted to be worn around the waist, e.g. diapers having preferential bending zones, e.g. fold lines or grooves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
- A61F13/49406—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region
- A61F13/4946—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means the edge leakage prevention means being at the crotch region the edge leakage prevention means being an absorbent medium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
- A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
- A61F13/5323—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
-
- 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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/44—Devices worn by the patient for reception of urine, faeces, catamenial or other discharge; Portable urination aids; Colostomy devices
-
- 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
- A61F2013/4512—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 folded in special shape during use
- A61F2013/4568—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 folded in special shape during use three-dimensional; with split absorbent core
Definitions
- the present invention relates to a pan-type disposable diaper. Background art
- Japanese Patent Publication No. 50-333044 discloses a folding disposable diaper (diaper) 201 shown in FIG.
- the diaper 201 has a rectangular shape including a liquid-absorbent pad, a liquid-permeable inner sheet 222, and a liquid-impermeable outer sheet 222, and a transverse line orthogonal to the long side. It is folded in half along 2 10 a. Also, both sides of the center point of the transverse line 210a are folded inwardly of the diaper to form a pocket 218.
- the diaper is worn using a diaper cover. They are partially bonded. Even if the diaper has a rectangular shape, the width of the portion covering the crotch of the wearer is narrow, so that the diaper closely adheres to the crotch to prevent leakage of bodily fluids.
- Japanese Utility Model Laid-Open Publication No. 47-36734 discloses a folding diaper made of a rectangular strip. This diaper is also worn using a diaper cover, and the both sides of the diaper are folded inward at the center in the longitudinal direction of the diaper. The crotch of the diaper obtained in this way has a small width and adheres well to the crotch of the wearer, so that side leakage of urine is reduced.
- the conventional diapers are of an open type, each of which has a rectangular shape. The diapers are spread flat and applied to the back of an infant lying on a back. However, if the diaper is flattened, the shape of the pre-folded part will be lost, and the diaper after wearing may not be able to expect a sufficient effect on that part.
- the bodily fluid absorbing portion in a diaper in which the bodily fluid absorbing portion is bent in the crotch portion covering area, it does not take much trouble to wear the diaper, and the shape of the bent bodily fluid absorbing portion does not collapse.
- the task is to make improvements as described above. Disclosure of the invention
- the present invention is directed to a height direction and a horizontal direction orthogonal to the height direction, and formed symmetrically with respect to a center line that bisects the horizontal dimension.
- the inner side and the outer side opposite to the inner side, the front waist area, the rear waist area and the front waist area covering the crotch area, the rear waist area covering area and the crotch area of the wearer A pants shape is defined by the region, a waist opening and a pair of leg openings are provided, and the bodily fluid absorbing portion extending long in the direction of the covering region around the front and rear trunk around the crotch covering region is provided on the inner surface. It is a bread-type disposable diaper formed on the side.
- the body fluid absorbing section has a liquid-absorbing core material and a liquid-permeable covering sheet.
- the core is formed to be long in a direction in which the body fluid absorbing portion extends, and has an inner surface and an outer surface opposite to the inner surface.
- the covering sheet covers at least an inner surface of the inner and outer surfaces of the core material.
- the body fluid absorbing portion has a substantially V-shaped shape starting from a central portion between side edges extending in parallel in the height direction and extending toward the front waist region.
- a third bent portion extending in the lateral direction is formed between the two. Both sides of the bodily fluid absorbing portion with the center line interposed therebetween, in the third bent portion, in the direction in which the outer surfaces of the core material face each other, and the first bent portion and the second bent portion.
- the inner surfaces are bent in opposite directions.
- a flap extending along the side edge is formed on each of the side edges of the body fluid absorbing portion.
- the flap includes first and second side edges extending parallel to the side edges of the body fluid absorbing portion, and first and second edge portions extending in a direction intersecting with the side edges of the body fluid absorbing portion. Having. The first side edge and the second side edge are bent at the side edge of the body fluid absorbing portion so that the first side edge is located on the outer surface side and the inner surface side of the body fluid absorbing portion. A front end portion and a rear end of the body fluid absorbing portion, wherein the first edge portion and the second edge portion are located in the front waistline covering area and the rear waistline covering area, respectively. An elastic member is attached to the second side edge so as to extend in the direction in which the flap extends.
- a second elastic member is attached to the flap at an intermediate portion between the first side edge and the second side edge in an extending state in a direction in which the flap extends.
- the second elastic member is attached to a portion of the flap facing the outer surface of the body fluid absorbing portion.
- the covering sheet is folded back so as to cover the inner surface of the core material and to cover the outer surface of the core material along the side edge.
- the core material can absorb body fluid from both sides of the inner and outer surfaces via the covering sheet.
- Figure 1 is a perspective view of a pan-type disposable diaper.
- FIG. 2 is a partially cutaway perspective view of the diaper of FIG.
- Fig. 3 is a plan view of the diaper shown in Fig. 1 when extended.
- FIG. 4 is an exploded perspective view of the diaper of FIG.
- FIG. 5 is a partially cutaway perspective view of the absorbing section.
- FIG. 6 is a view showing a cross section taken along the line VI-VI of FIG.
- FIG. 7 is a view showing a cross section taken along the line V I I—V I I in FIG.
- FIG. 8 is a partially cutaway side view of the diaper of FIG.
- FIG. 9 is a view showing a section taken along the line IX-IX of FIG.
- FIG. 10 is a perspective view of a conventional diaper. BEST MODE FOR CARRYING OUT THE INVENTION
- pan-type disposable diaper With reference to the accompanying drawings, the details of the pan-type disposable diaper according to the present invention will be described below.
- FIG. 1 and 2 are perspective views of a pants-type disposable diaper 1 and the diaper.
- FIG. 2 is a partially broken perspective view.
- the diaper 1 has a height direction, which is the vertical direction in the figure, and a lateral direction orthogonal to the height direction, and is composed of a covering portion 2 having a pants shape and a body fluid absorbing portion 3.
- the lateral direction is also the width direction of the diaper 1.
- the covering portion 2 has an inner surface 2a facing the skin of the diaper wearer and an outer surface 2b facing the clothes, and covers the front and rear waist circumferences and the crotch of the wearer with the front waistline coverage area 6 and the rear.
- the front and rear waist-covered areas 6, 7 that can be covered by the waist-covered area 7 and the crotch-covered area 8 are portions of the diaper 1 that overlap with each other on both sides and are intermittently arranged vertically These are covered with each other, and these covered areas 6, 7, 8 define a waist opening 9 and a pair of leg openings 11.
- a plurality of waist elastic members 12 are attached to the periphery of the waist frame 9 in an extended state.
- the semi-circular shape is formed by the sheets 106 and 107, which form the front and rear torso regions 6 and 7 and define approximately half the upper edge of the opening 11.
- a plurality of elastic members 13 around the legs are attached in an extended state (see also FIG. 8).
- the absorbing portion 3 is located on the inner surface 2 a side of the covering portion 2, and extends long around the crotch portion covering region 8 toward the front waistline covering region 6 and the rear waistline covering region 7.
- the diaper 1 is bent toward the longitudinal center line A—A (see Fig. 3), that is, into the laterally inward direction of the diaper 1, so that the width of the diaper 1 is reduced so that the width is reduced. ing.
- FIG. 3 and 4 show the diaper 1 of Fig. 1 peeled off at the joint 4 and the front and rear waist-covered areas 6, 7 extended in the directions of arrows P and Q.
- FIG. 2 is an exploded perspective view of the diaper 1.
- the diaper 1 in the extended state also shows the center line B—B, which is perpendicular to the vertical center line A—A and bisects the length extending in the vertical direction in the figure.
- Diaper 1 in Figure 3 is substantially vertical centerline A—A When it is folded along the horizontal center line BB and joined at the part 4, it becomes the diaper 1 in Fig. 1.
- the covering part 2 is composed of a hexagonal front sheet 106 forming the front waist surrounding area 6 and a part of the crotch covering area 8, and the rear waist surrounding covering area 7 and the crotch covering area 8.
- a hexagonal rear sheet 107 forming a part thereof and a rectangular sensor sheet 108 forming a part of the crotch coverage 8.
- the center sheet 108 has both front and rear ends joined to the inner surfaces (upper surfaces in FIG. 4) of the front and rear sheets 106 and 107 via a hot melt adhesive (not shown).
- the front and rear sheets 106 and 107 are connected.
- An inner sheet made of a rectangular water-impermeable plastic film overlaps the inner surface of the center sheet 1108, and an hourglass-shaped interior is placed on the inner surface of the intermediate sheet 1117.
- Sheets 1 16 overlap.
- the middle sheet 1 17 is almost identical to the Send 1 sheet 108 but slightly smaller than the Send 1 sheet 108, and the inner sheet 1 16 is the front and rear sheets. It is almost the same shape and size as the hourglass shape formed by connecting 106, 107 and the center sheet 108 to each other.
- These sheets 106, 107, 108, 117 and 116 are intermittently joined at the portions where they overlap.
- a rectangular bodily fluid absorbing portion 3 having a lengthwise direction in a direction in which the center sheet 108 extends is joined to the inner surface of the inner sheet 116.
- the absorbing portion 3 is formed by hot-melt adhesive 29 applied to the inner sheet 116, and the widthwise central portion extending between the edge portions 27, 28 and the both edge portions 27, 28. Are joined to the internal sheet 116.
- the absorbing part 3 has a rectangular shape which is vertically long in FIG. 3 and has a pair of side edges 26 parallel to the vertical center line A 1 A, and a transverse direction (width) of the diaper 1 orthogonal to the side edges 26. Front and rear edges 27, 28 A flap 25 is formed along the side edge 26.
- the absorbing portion 3 is composed of a core material 21 and a covering sheet 22, and the covering sheet 22 is joined to the inner surface 2 a of the covering portion 2 via a hot melt adhesive 29. .
- the core material 21 is formed by compressing a water-absorbing material such as pulverized pulp or superabsorbent polymer particles with an appropriate force.
- the core material 21 in the illustrated example is arranged so as to have a rectangular shape as a whole, but a chain line R coinciding with the horizontal center line B—B, a vertical center line A—A, and a horizontal center line B—B
- a chain line S that extends from the center of the core material 21 where it intersects with the center of the front trunk to the covering area 6 in a generally V-shaped manner and extends to both side edges 26, a vertical center line A—A, and a horizontal center line Grooves 20 r, 20 s, 2 extending along a chain line T extending from the center where B-B intersects to the covering area 7 around the rear trunk in the direction of 7 and extending to both side edges 26 0 t, and are divided into core material elements 2 la, 21 b, 21 c, 21 d, 21 e, 21 f by these grooves 20 r, 20 s, 20 t I have.
- c hula-up 2 5 is a diagram showing a cut surface taken along the VI one VI line and VI et chromatography VII line in FIG. 5, the absorption portion 3 is formed of a leak-proof sheet 130 extending along the side edge 26.
- the leakproof sheet 130 is made of a hydrophobic, preferably liquid-impervious, more preferably a gas-impervious, non-woven or plastic film, in the transverse direction of the diaper 1.
- the flap 25 includes a first side edge 13 1 located on the outer surface 3 b side of the absorbent portion 3 and a second side edge 13 3 located on the inner surface 3 a side in the lateral direction of the diaper 1.
- the first side edge 13 1 is fixed to the covering sheet 22 via an adhesive 34.
- the other second side edge 1332 is located above the inner surface 3a and is deformable in the vertical and horizontal directions in the figure.
- a first elastic member 41 extending in the longitudinal direction of the absorbing portion 3 is attached to the outermost bag-shaped folded portion in an extended state.
- the leak-proof sheet 130 between the first and second side edges 13 1 and 13 2 moves from the first side edge 13 1 to the second side edge 13 After spreading to the side beyond the side edge 26 of the inner surface 3a, it is folded back to the inner surface 3a side, and further folded back to the side of the absorbing portion 3.
- a flange made of a leak-proof sheet 13 ⁇ folded in a Z-shape or an inverted Z-shape is provided at both end portions 27 and 28 of the absorbing portion 3.
- the first and second edges 13 3, 13 4 of the top 25 are kept in an overlapping state by the adhesive 34. That is, the leak-proof sheets 130 of the flaps 25 and the cover sheet 22 and the leak-proof sheets 130 are joined via the adhesive 34.
- Each of the first elastic members 41 is fixed to an end edge 27, 28 of the absorbing portion 3 via a leak-proof sheet 130 at each end.
- a flap 25 is provided at an intermediate portion between the first side edge 131 and the second side edge 1332 in the longitudinal direction of the flap 25.
- the second elastic member 42 can include the second elastic member 42 extended to the second elastic member 42.
- the second elastic member 42 is parallel to the first elastic member 41, and the first and second It is provided in at least the crotch region 8 between the end portions 133 and 134.
- the second elastic member 42 is attached to the flap 25 so as to be located above the inner surface 3a of the absorbing portion 3 (42a) and the like. And / or one that is mounted below the outer surface 3b of the absorber 3 (42b).
- the sheets 106, 107, 108, 117, 116 and the absorbing part 3, which are overlapped and joined to each other in the order shown in FIG. 4, are arranged along the center line B—B. Folded with the absorbing part 3 inside.
- the side edges of the overlapping front sheet 106, rear sheet 107 and internal sheet 116 are joined together at the location 4 shown in Figure 1 and the pants-type disposable Figure 1
- the absorbent portion 3 in the crotch region 8 is bent on both sides of the vertical center line A—A as shown in FIG.
- the absorbing portion 3 is configured such that the outer surfaces 24 of the core elements 21c and 21e face each other (see Fig.
- the inner surface 23 of the core element 2 la (see FIG. 6) and the core elements 2 1 c, 2 Id and the respective inner surfaces 23 of the core element 2 la are bent at the same time as the bending. Are bent along the grooves 20 s and 20 t so that the inner surface 23 of the core element 2 lb and the inner surface 23 of each of the core elements 21 e and 21 f face each other.
- the absorbing portion 3 is in a state where the core material 21 does not exist at all or slightly exists in the grooves 20 r, 20 s, and 20 t.
- the rigidity of the absorber 3 at 20 t is lower than the rigidity in the area around those grooves.
- the absorbing portion 3 can be easily bent as shown in FIG. 1 with the grooves 20r, 20s, and 20t as guides.
- FIGS. 8 and 9 are a partially cutaway side view of the diaper 1 of FIG. 1 and a diagram showing a main part of a cut surface taken along line IX-IX of FIG.
- the elastic member appearing at the fracture site is indicated by a solid line
- the elastic member connected to the solid line is indicated by a chain line.
- the X-IX line in FIG. 2 corresponds to the horizontal center line B—B running inside the groove 20 r in FIGS.
- FIG. 9 shows the flapping flaps 25 as cut along the line IX-IX.
- the flap 25 indicated by the imaginary line in FIG. 6 rises near the edge 28 of the absorber 3.
- the flap 25 rising as described above allows the second side edge 13 2 to adhere to the circumference of the diaper wearer's leg by the extension and contraction of the first and second elastic members 41 and 42. is there.
- the flap 25 closely attached to the leg stops the body fluid flowing to the side beyond the side edge 26 of the absorbing part 3 and prevents the body fluid from leaking from the diaper 1. The prevention effect is remarkable when the absorption section 3 is bent and narrowed in the crotch coverage area 8 of the diaper 1 as shown in FIG.
- first and second elastic members 41 and 42 of the flap 25 urge the absorbing portion 3 so as to bend in the length direction to exhibit a U-shape when contracted.
- the second elastic member 42 is located near the bent portion of the absorbing portion 3 in the crotch region 8, it is useful to maintain the bent shape of the portion.
- the first and second elastic members 41 and 42 can bend the absorbing section 3 even if the bent portion of the absorbing section 3 is widened.
- the shape of the bent part does not collapse because it tries to return to the state it was in when it was folded.
- the first elastic member 41 in the state described in (1) is drawn in a U-shape and extends substantially half way around the diaper wearer's leg. It indirectly overlaps the elastic members 13 around the legs 106 and 107. By the action of these elastic members 13 and 41, the diaper 1 can be brought into close contact with the entire circumference of the wearer's leg.
- the first elastic member 41 in the illustrated example can be replaced with a plurality of members.
- the flap 25 is applied to the outer surface 3b of the absorbent portion 3, particularly to the outer surface 3b near the side edge 26 from the covering sheet 22. If it is formed so that it can be separated downward, the body fluid that has passed over the side edge 26 flows in the direction of arrow E and flows between its outer surface 3b and the leak-proof sheet 130, and At the outer surface 3b, it is absorbed by the core material 21 via the covering sheet 22.
- the side edges 26 and 26 of the absorbing portion 3 which is bent so as to be narrow in the crotch region 8 are worn. While it adheres well to the crotch of the elderly, the portion between the side edges 26 and 26 forms a pocket 30 (see Figs. 2 and 9).
- the surface of the absorbent portion 3 in the diaper does not contact the skin of the diaper wearer over a large area to give a strong wet feeling.
- the flaps 25 outside the side edge 26 stop the flow of the excrement, so that bodily fluid leaks out of the diaper 1. There is no.
- the diaper 1 When the baby wears the diaper 1, pass the infant's leg through the leg opening 11 while the mother puts his hand inside the edge of the waist opening 9 and widens the opening 9. .
- the deformation of the diaper 1 that widens the opening 9 in such a way is in the crotch covering area 8 which is different from the waist opening 9 and the covering 2 Since it does not reach the absorbing portion 3 formed separately from the above, the shape of the absorbing portion 3 that is narrowly bent does not collapse even if the opening 9 is widened. Further, even if the shape may collapse, the first elastic member 41 and the second elastic member 42 of the flap 25 contract due to the contracting action of the flap 25, especially in the width direction of the flap 25.
- the second elastic member 42 which can be attached in a plurality of rows in parallel, it is easy to return to the original bent shape.
- the side edge part 26 of the bent part closely adheres to the crotch part of the infant. Therefore, in this bread diaper-type diaper 1, the effect of bending the absorbent portion 3 so that the width of the absorbent portion 3 becomes narrow appears when the diaper 1 is worn.
- the body fluid absorbing portion extending around the crotch coverage area toward the front and rear waist circumference toward the coverage area is bent so as to be narrower in the crotch coverage area.
- Such a bodily fluid absorbing portion is formed in a pan-shaped diaper, so that the shape of a portion that is bent so as to be narrower in the crotch-covered area is broken even when the diaper is worn. There is no. Further, in this diaper, the elastic member of the flap formed outside the side edge of the body fluid absorbing portion urges the body fluid absorbing portion to be curved in a U-shape, so that the body fluid absorbing portion is bent. The shape of the worn part does not collapse when the diaper is worn, and it is easier to wear the diaper than in the conventional technology.
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Vascular Medicine (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Epidemiology (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Absorbent Articles And Supports Therefor (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Materials For Medical Uses (AREA)
- Details Of Garments (AREA)
Description
Claims
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0308836-7A BR0308836B1 (pt) | 2002-03-25 | 2003-03-13 | fralda descartável de vestir. |
KR1020047015083A KR100597575B1 (ko) | 2002-03-25 | 2003-03-13 | 팬츠형 일회용 기저귀 |
EP03712685A EP1495739B1 (en) | 2002-03-25 | 2003-03-13 | Pull-on disposable diaper |
CA002480029A CA2480029C (en) | 2002-03-25 | 2003-03-13 | Pull-on disposable diaper |
AU2003220884A AU2003220884B2 (en) | 2002-03-25 | 2003-03-13 | Underpants type disposable diaper |
DE60335457T DE60335457D1 (de) | 2002-03-25 | 2003-03-13 | Einwegwindel vom höschentyp |
AT03712685T ATE492253T1 (de) | 2002-03-25 | 2003-03-13 | Einwegwindel vom höschentyp |
US10/945,989 US7207978B2 (en) | 2002-03-25 | 2004-09-22 | Pull-on disposable diaper |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-083560 | 2002-03-25 | ||
JP2002083560A JP4057321B2 (ja) | 2002-03-25 | 2002-03-25 | パンツ型の使い捨ておむつ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/945,989 Continuation US7207978B2 (en) | 2002-03-25 | 2004-09-22 | Pull-on disposable diaper |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003079950A1 true WO2003079950A1 (en) | 2003-10-02 |
Family
ID=28449185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/003017 WO2003079950A1 (en) | 2002-03-25 | 2003-03-13 | Underpants type disposable diaper |
Country Status (13)
Country | Link |
---|---|
US (1) | US7207978B2 (ja) |
EP (1) | EP1495739B1 (ja) |
JP (1) | JP4057321B2 (ja) |
KR (1) | KR100597575B1 (ja) |
CN (1) | CN1316951C (ja) |
AT (1) | ATE492253T1 (ja) |
AU (1) | AU2003220884B2 (ja) |
BR (1) | BR0308836B1 (ja) |
CA (1) | CA2480029C (ja) |
DE (1) | DE60335457D1 (ja) |
MY (1) | MY135891A (ja) |
TW (1) | TW577732B (ja) |
WO (1) | WO2003079950A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7192422B2 (en) * | 2003-06-23 | 2007-03-20 | Uni-Charm Corporation | Pull-on disposable wearing article |
Families Citing this family (78)
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JP3978363B2 (ja) * | 2001-04-23 | 2007-09-19 | ユニ・チャーム株式会社 | パンツ型の使い捨て着用物品 |
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US7458960B2 (en) * | 2002-08-30 | 2008-12-02 | Uni-Charm Co., Ltd | Pull-on disposable diaper |
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-
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- 2002-03-25 JP JP2002083560A patent/JP4057321B2/ja not_active Expired - Fee Related
-
2003
- 2003-03-13 AU AU2003220884A patent/AU2003220884B2/en not_active Ceased
- 2003-03-13 CA CA002480029A patent/CA2480029C/en not_active Expired - Fee Related
- 2003-03-13 AT AT03712685T patent/ATE492253T1/de not_active IP Right Cessation
- 2003-03-13 WO PCT/JP2003/003017 patent/WO2003079950A1/ja active IP Right Grant
- 2003-03-13 EP EP03712685A patent/EP1495739B1/en not_active Expired - Lifetime
- 2003-03-13 KR KR1020047015083A patent/KR100597575B1/ko not_active IP Right Cessation
- 2003-03-13 CN CNB03807074XA patent/CN1316951C/zh not_active Expired - Fee Related
- 2003-03-13 DE DE60335457T patent/DE60335457D1/de not_active Expired - Lifetime
- 2003-03-13 BR BRPI0308836-7A patent/BR0308836B1/pt not_active IP Right Cessation
- 2003-03-24 TW TW092106523A patent/TW577732B/zh not_active IP Right Cessation
- 2003-03-24 MY MYPI20031023A patent/MY135891A/en unknown
-
2004
- 2004-09-22 US US10/945,989 patent/US7207978B2/en not_active Expired - Fee Related
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JPS5021845A (ja) * | 1973-06-29 | 1975-03-08 | ||
JPS5033044A (ja) * | 1973-07-23 | 1975-03-31 | ||
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7192422B2 (en) * | 2003-06-23 | 2007-03-20 | Uni-Charm Corporation | Pull-on disposable wearing article |
Also Published As
Publication number | Publication date |
---|---|
BR0308836B1 (pt) | 2012-06-26 |
JP2003275241A (ja) | 2003-09-30 |
MY135891A (en) | 2008-07-31 |
US7207978B2 (en) | 2007-04-24 |
CA2480029C (en) | 2008-02-19 |
KR20040094854A (ko) | 2004-11-10 |
CN1642508A (zh) | 2005-07-20 |
AU2003220884A1 (en) | 2003-10-08 |
CN1316951C (zh) | 2007-05-23 |
EP1495739B1 (en) | 2010-12-22 |
TW577732B (en) | 2004-03-01 |
JP4057321B2 (ja) | 2008-03-05 |
EP1495739A1 (en) | 2005-01-12 |
DE60335457D1 (de) | 2011-02-03 |
TW200306170A (en) | 2003-11-16 |
US20050038404A1 (en) | 2005-02-17 |
BR0308836A (pt) | 2005-01-25 |
EP1495739A4 (en) | 2009-11-11 |
KR100597575B1 (ko) | 2006-07-10 |
CA2480029A1 (en) | 2003-10-02 |
AU2003220884B2 (en) | 2008-01-24 |
ATE492253T1 (de) | 2011-01-15 |
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