WO2011081027A1 - 着用物品 - Google Patents
着用物品 Download PDFInfo
- Publication number
- WO2011081027A1 WO2011081027A1 PCT/JP2010/072644 JP2010072644W WO2011081027A1 WO 2011081027 A1 WO2011081027 A1 WO 2011081027A1 JP 2010072644 W JP2010072644 W JP 2010072644W WO 2011081027 A1 WO2011081027 A1 WO 2011081027A1
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- WIPO (PCT)
- Prior art keywords
- region
- waist
- rear waist
- regions
- tightening force
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—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
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
-
- 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region
-
- 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
- A61F13/49007—Form-fitting, self-adjusting disposable diapers
- A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
- A61F13/49019—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means being placed longitudinally, transversely or diagonally over the article
-
- 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
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
Definitions
- the present invention relates to a worn article, and more particularly, to a worn article such as a disposable diaper, excretion training pants, and an incontinence brief.
- a disposable diaper in which a waist opening and a leg opening are formed, and a waist elastic member is arranged at the peripheral edge of the waist opening.
- the diaper includes a waist gather portion formed in the waist opening, a waistline gather portion located on the crotch region side of the waist gather portion, and a liquid absorption part of which overlaps with the waistline gather portion. And an absorbent body having a property.
- JP 10-314220 A JP 10-314220 A
- the waist gather part and the waist gather part are formed by front and back sheets and an elastic member attached between these sheets. Therefore, in each gather part, a ridge extending in the vertical direction is easily formed by the front and back sheets.
- the diaper is worn while stretching the heel as described above, but the distance from the waist opening to the absorber is large, and it is difficult to stretch the heel over the longitudinal direction.
- This invention makes it a subject to provide the wearing article which can make it easy to extend the wrinkles which arise in a front-and-back waist region.
- the present invention includes a chassis including a longitudinal direction and a lateral direction, a body side and the opposite side, a front waist region, a rear waist region, and a crotch region located between the front and rear waist regions, and the front and rear waist regions from the crotch region. And a waist elastic body attached to the front and rear waist regions so as to be shrinkable in the lateral direction, the liquid absorbing structure comprising: a liquid absorbing core; and the core And a front and rear flap located on the outside in the longitudinal direction of the front and rear end edges of the core.
- the longitudinal length dimension of the liquid-absorbing structure overlapping the front and rear waist areas is 70 to 90% of the longitudinal length dimension of the front and rear waist areas
- the waist region includes a first region extending from the waist opening end to the crotch region side and overlapping at least a part of the front and rear flaps, and a second region adjacent to the first region,
- the first region is elasticized in the lateral direction in the entire region thereof by a first waist elastic body, and the second region is located on both lateral sides of the inelastic region and the inelastic region that overlap the core.
- an elastic region elasticized by the second waist elastic body wherein the tightening force of the first region is smaller than that of the second region.
- the tightening force in the first region is 70 to 90% of the tightening force in the second region.
- the front and rear waist region is partitioned by the first region and the second region.
- the front / rear waist region includes a third region adjacent to the crotch region side of the second region, and the front / rear waist region includes the first region, the second region, and the third region. And the tightening force of the third region is made smaller than that of the second region.
- the tightening force of the second region is 20 to 50% larger than that of the third region.
- the longitudinal length dimension of the liquid absorbing structure overlapping the front and rear waist areas is 70 to 90% of the longitudinal length dimension of the front and rear waist areas, and the front and rear waist areas are on the waist opening side.
- the second region extending from the first region to the crotch region side, and the tightening force of the first region is made smaller than that of the second region. Therefore, when the waist opening is widened, the wrinkles in the first region can be easily stretched. Since the liquid-absorbing core overlaps with the second region and the inelastic region is formed in the portion overlapping with the core, the wrinkles of the second region can be hardly formed.
- FIG. 3 is a sectional view taken along line III-III in FIG. 2.
- FIG. 4 is a sectional view taken along line IV-IV in FIG. 2.
- FIG. 3 is an exploded view of FIG. 2.
- (First embodiment) 1 to 5 show a first embodiment of the present invention and will be described by taking a disposable diaper as an example of a worn article.
- FIG. 1 is a perspective view of a state in which a waist opening and a leg opening of a diaper 10 are maintained in an annular shape
- FIG. 2 is a developed plan view of the diaper 10 viewed from the body side.
- FIG. 3 shows a state in which the diaper 10 is stretched against the contraction force and kept flat
- FIG. 3 is a sectional view taken along line III-III in FIG. 2
- FIG. 4 is a sectional view taken along line IV-IV in FIG.
- FIG. 5 is an exploded view of FIG. 2.
- the right side of the figure from the virtual vertical center line PP represents a state in which each elastic body is contracted.
- the diaper 10 includes a longitudinal direction Y and a lateral direction X, a clothing side that is the body side and the opposite side thereof, a crotch region 13 that is located between the front waist region 11, the rear waist region 12, and the front and rear waist regions 11, 12. including.
- the diaper 10 has a virtual vertical center line PP that bisects the length dimension in the horizontal direction X and a virtual horizontal center line QQ that bisects the length dimension in the vertical direction Y. It is formed substantially symmetrical with respect to the longitudinal center line PP.
- the diaper 10 includes front and rear waist members 20 and 30 that are separated from each other in the longitudinal direction Y, and a crotch member 40 that connects the front and rear waist members 20 and 30.
- the front and rear waist members 20 and 30 are joined to each other on both side edges 21 and 31 spaced in the lateral direction X to form a seam portion 14.
- the seam portion 14 forms a waist opening and a pair of leg openings.
- the front and rear waist members 20 and 30 include waist edge edges 22 and 32 that form waist opening edges, and crotch edge edges 23 and 33 that are located on the crotch region 13 side and that form part of the leg openings.
- the front and rear waist members 20 and 30 include inner surface sheets 24 and 34 located on the body side and outer surface sheets 25 and 35 located on the clothing side, respectively.
- the rear waist member 30 is overlapped with the front waist member 20 when the side edges 21 and 31 are joined, and the waist fit region 30a located at the wearer's waist, and an extension extending from the waist fit region 30a to the crotch region 13. And an exit area 30b.
- the waist fit region 30a and the extension region 30b are defined by a virtual line 70.
- the length dimension in the vertical direction Y from the waist edge 32 to the virtual line 70 is substantially equal to that from the waist edge 22 to the crotch edge 23 of the front waist member 20.
- the front and rear waist members 20 and 30 and a part of the crotch member 40 form a chassis of the present invention.
- the crotch member 40 includes a liquid absorption structure 41, a gasket cuff 50, and a leakage barrier cuff 60.
- the liquid absorbing structure 41 includes a liquid absorbing core 42, an interior sheet 43 that covers the inner surface of the core 42 and is positioned on the body side, a leakage prevention sheet 44 that covers the outer surface of the core 42, and an outer surface of the leakage prevention sheet 44. And an exterior sheet 45 located on the clothing side.
- the core 42 fluff pulp, superabsorbent polymer particles, or the like can be used.
- Such a core 42 has a constricted shape in which the length dimension in the lateral direction X becomes smaller toward the virtual lateral center line QQ.
- the core 42 has a longitudinal dimension Y of about 300 to 400 mm, preferably about 335 to 380 mm.
- the interior sheet 43 and the leakage prevention sheet 44 are larger than the length dimension of the core 42 in the longitudinal direction Y, and the dimension is about 350 to 450 mm, preferably about 375 to 430 mm.
- front and rear flaps 46 and 47 formed only by the interior sheet 43, the leakage prevention sheet 44, and the exterior sheet 45 are formed outside the core 42 in the longitudinal direction Y. In these front and rear flaps 46 and 47, the interior sheet 43, the leakage prevention sheet 44, and the exterior sheet 45 are joined to each other by an adhesive means such as a hot melt adhesive.
- Both side flaps 48 (or gasket cuffs, hereinafter the same) formed by the interior sheet 43, the leakage prevention sheet 44, and the exterior sheet 45 extending from the core 42 are formed outside the core 42 in the lateral direction X. These sheets are bonded to each other by an adhesive means such as a hot melt adhesive.
- the length dimension of the lateral flaps X in the lateral direction X is about 170 to 220 mm, preferably about 190 mm.
- a liquid-permeable fiber nonwoven fabric or the like can be used as the interior sheet 43 .
- an air-through fiber nonwoven fabric, a point bond fiber nonwoven fabric, a spunbond fiber nonwoven fabric or the like having a mass per unit area of about 10 to 25 g / m 2 can be used.
- a moisture-permeable and liquid-impervious plastic film can be used as the leak-proof sheet 44, and at least the entire liquid-absorbing structure 41 is covered with the sheet 44 so that body fluid such as urine does not leak out of the diaper 10. ing.
- a moisture permeable and liquid impermeable fiber nonwoven fabric or the like can be used.
- a spunbond / meltblown / spunbond (SMS) fiber nonwoven fabric, a point bond fiber nonwoven fabric, a spunbond fiber nonwoven fabric or the like having a mass per unit area of about 10 to 25 g / m 2 can be used.
- the gasket cuff 50 includes an interior sheet 43 located on both side flaps 48, an exterior sheet 45, and a gasket elastic body 51 attached in a sleeve formed of the exterior sheet 45.
- the gasket elastic body 51 is composed of a plurality of elastic yarns, extends in the longitudinal direction Y, and is attached so as to be contractable in an extended state.
- the leakage barrier cuff 60 is formed by folding the exterior sheet 45 extending from the gasket cuff 50 in a substantially Z shape on the liquid absorbing structure 41. Between the folded exterior sheets 45, a barrier elastic body 61 composed of a plurality of elastic yarns extends in the longitudinal direction Y and is attached so as to be contracted in an extended state.
- the leakage barrier cuff 60 is joined only to the gasket cuff 50 side at the front and rear ends in the longitudinal direction Y, and is not joined in other regions. Therefore, the barrier elastic body 61 is separated from the gasket cuff 50 by the contraction force of the barrier elastic body 61.
- the gasket cuff 50 and the leakage barrier cuff 60 stand up so that the leakage barrier cuff 60 is separated from the interior sheet 43 when the diaper 10 is worn, and are in close contact with the vicinity of the base of the wearer's leg.
- the gasket cuff 50 is also elasticized in the longitudinal direction Y by the gasket elastic body 51 and can be brought into close contact with the circumference of the wearer's thigh so as to bend toward the wearer. Accordingly, a double cuff is formed by the leakage barrier cuff 60 and the gasket cuff 50, and leakage of urine or the like from around the legs can be prevented.
- the exterior sheet 45 at the front and rear end edges 40a and 40b of the crotch member 40 is joined to the inner surface sheets 24 and 34 of the front and rear waist members 20 and 30, and the front and rear waist members 20 and 30 are connected to the crotch member 40.
- the liquid absorption structure 41 of the crotch member 40 is attached so as to overlap the front and rear waist regions 11 and 12.
- the length dimension in the longitudinal direction Y of the liquid absorption structure 41 overlapping the front and rear waist areas 11 and 12 is about 70 to 90% of the length dimension in the longitudinal direction Y of the front and rear waist areas 11 and 12.
- the front and rear end edges 40a, 40b of the crotch member 40 are inner and outer surface sheets 24, 25 and 34, 35 folded back on the upper surface of the crotch member 40 toward the virtual horizontal center line QQ. Covered by. By covering the front and rear end edges 40a and 40b with these sheets, the constituent material of the core 42 is prevented from spilling, and skin troubles caused by the front and rear end edges 40a and 40b coming into contact with the wearer's body can be prevented. it can.
- the front and rear waist members 20 and 30 extend from the waist end edges 22 and 32 to the crotch region 13 side, and include a first region 71 that overlaps the front and rear flaps 46 and 47, and a second region 72 that is adjacent to the first region 71. Including.
- the first area 71 and the second area 72 are defined by a virtual line 73.
- the first region 71 and the second region 72 are regions formed in an annular shape across the front and rear waist regions 11 and 12.
- the length dimension in the vertical direction Y from the waist end edges 22 and 32 to the front and rear flaps 46 and 47 is about 20 mm
- the length dimension in the vertical direction Y of the front and rear flaps 46 and 47 is about 20 mm.
- the length of the first region 71 in the longitudinal direction Y is about 23 mm
- that of the second region 72 is about 67 mm.
- the sum of the lengths of the first and second regions 71 and 72 is the length of the front and rear waist regions 11 and 12 and is about 90 mm. Therefore, the length dimension in the vertical direction Y of the first region 71 is about 26% of the front and rear waist regions 11 and 12.
- the front and rear waist members 20 and 30 include a first waist elastic body 81 and a second waist elastic body 82 in the first region 71 and the second region 72, respectively, between the inner and outer surface sheets 24, 25 and 34, 35. It is attached.
- the first waist elastic body 81 is formed by a plurality of elastic yarns extending continuously from one side edge 21, 31 to the other side edge 21, 31. In this embodiment, four elastic yarns of about 470 dtex are attached spaced apart in the longitudinal direction Y at a pitch of about 5.5 mm.
- the first region 71 is elasticized in the lateral direction X by attaching the first waist elastic body 81 in the lateral direction X so as to be contractible in the stretched state.
- a non-elastic region 72a overlapping the core 42 and an elastic region 72b located on both lateral sides of the non-elastic region 72a are formed, and the second waist elastic body 82 is attached to the elastic region 72b.
- the second waist elastic body 82 is attached such that the inner end 82 a is positioned so as to overlap the core 42 and the outer end 82 b is positioned at the side edges 21 and 31.
- eleven elastic yarns of about 470 to 620 dtex are used as the second waist elastic body 82, and they are attached with a pitch of about 5.5 mm so as to be separated in the longitudinal direction Y.
- the elastic region 72b of the second region 72 is elasticized in the lateral direction X by attaching the second waist elastic body 82 in the lateral direction X so as to be contractible in the stretched state. Since the second waist elastic body 82 is not attached to the non-elastic region 72a, it is not elasticized.
- An extended elastic body 37 is attached to the extended region 30 b of the rear waist member 30.
- the extended elastic body 37 is attached such that the inner end 37 a is positioned so as to overlap the core 42 and the outer end 37 b is positioned on the side edges 21 and 31.
- two elastic yarns of about 470 dtex are used as the extended elastic body 37 and are attached with a pitch of about 25 mm apart in the longitudinal direction Y.
- the extension elastic body 37 is elastically attached in the horizontal direction X by attaching the extension elastic body 37 in the horizontal direction X so as to be contractible. Also in the extended region 30b, as in the second region 72, the elastic body is not arranged and elasticized from one inner end 37a to the other inner end 37a.
- the tightening force of the first region 71 is made smaller than the tightening force of the second region 72.
- the clamping force was measured by the following method.
- the diaper 10 cut out the 1st and 2nd area
- the liquid absorption structure 41 is also cut out and included in the sample.
- SW is the distance from the inner end of one seam portion 14 in a state of being contracted by the elastic body to the inner end of the other seam portion 14, and it extends in the lateral direction X against the stretching force of each elastic body.
- the distance from the inner end of one seam portion 14 to the inner end of the other seam portion 14 is defined as PW.
- the length dimension in the vertical direction Y of each region is L.
- the contraction force when the distance between the chucks becomes 0.65 ⁇ PW is defined as the overall tightening force Fa (N).
- the fastening force F per unit area was determined from the overall fastening force Fa (N) / L ⁇ 10.
- the overall tightening force Fa is set to 0.65 ⁇ PW because 65% of PW is an average waist size of a diaper wearer.
- the fastening force F of the first region 71 was about 0.22, and the fastening force F of the second region 72 was about 0.30.
- the fastening force F of the first region 71 is about 0.20 to 0.32, the fastening force F of the second region 72 is about 0.28 to 0.36, and the fastening force of the first region 71 is
- the clamping force of the second region 72 can be about 70 to 90%, preferably about 74 to 76%.
- the tightening force of the first region 71 is smaller than that of the second region 72, when the front and rear waist members 20, 30 are widened and the diaper 10 is intended to be worn by the wearer, It is easy to expand the first region 71. Therefore, in particular, the waist opening can be greatly widened, and the diaper 10 can be easily broken. In particular, the diaper 10 is easy to wear for a wearer such as an infant sleeping. When wrinkles are applied to a sleeping wearer, if there are wrinkles in the front and rear waist regions 11 and 12, the wrinkles will rub against the wearer and stimulate the wearer. is there.
- the first area 71 is about 26% of the front and rear waist areas 11 and 12 and the length dimension in the longitudinal direction Y is small, when the waist opening is sandwiched and widened, the entire first area 71 is laterally expanded. X can be expanded, and the ridges of the first region 71 can be easily extended.
- the length dimension of the first region 71 in the longitudinal direction Y is not limited to this value, and by setting it to 20-30% of the front and rear waist regions 11 and 12, it is easy to stretch the heel and when worn The effect that it closely_contact
- the wrinkles generated on the inner and outer surface sheets in the first region 71 directly contact the wearer's skin, but since this tightening force is reduced, the wrinkle should contact the wearer flexibly. Can do. Therefore, it is possible to prevent the wrinkle marks on the skin from being deeply formed by wrinkles generated in the first region 71.
- the first waist elastic body 81 is positioned so as to overlap with the front and rear flaps 46 and 47 of the liquid absorbing structure 41. Therefore, the front and rear flaps 46 and 47 are in close contact with the wearer's skin, and leakage of urine and the like from the front and rear end edges 40a and 40b can be prevented.
- the front and rear waist members 20, 30 can be brought into close contact with the wearer by making the tightening force larger than that in the first region 71. Even if the tightening force is increased in this way, the liquid absorbing structure 41 is formed inside the inner and outer surface sheets 24, 25 and 34, 35 to which the second waist elastic body 82 is attached. In the position overlapping with the structure 41, wrinkles generated on the sheet do not directly contact the wearer's skin, and it is possible to prevent wrinkle marks from remaining on the skin and reduce irritation to the skin due to wrinkles. it can. Moreover, since the inelastic area
- the present invention can be applied to a diaper that has a small length in the longitudinal direction Y of the diaper 10 and that is particularly suitable for infants. Even when the length dimension in the longitudinal direction Y of the diaper 10 is reduced, it is preferable not to make the liquid absorption structure 41 small so that the amount of absorption of urine or the like is not reduced. As a result, the ratio of the liquid absorbing structure 41 to the diaper 10 increases. In particular, in the front and rear waist regions 11 and 12, the liquid absorbing structure 41 occupies about 70 to 90% of the length in the longitudinal direction Y. Become. Since the liquid absorption structure 41 generally has high rigidity, when the ratio of the liquid absorption structure 41 increases, it is difficult to spread the diaper 10 in the lateral direction X, which makes it difficult for the wearer. However, in this embodiment, by reducing the tightening force of the first region 71 close to the waist opening, it can be easily spread in the lateral direction X, and can be easily made especially for a sleeping infant.
- the length dimension in the vertical direction Y of the first region 71 is about 23 mm, but is not limited to this value, and can be about 15 to 35 mm.
- the length dimension in the vertical direction Y of the second region 72 can be about 55 to 120 mm.
- the length dimension in the longitudinal direction Y of the diaper 10 of the present invention is about 400 to 520 mm, preferably about 410 to 450 mm, and 415 mm in this embodiment.
- the length dimension of the crotch member 40 in the longitudinal direction Y is about 350 to 450 mm, preferably about 370 to 380 mm, and in this embodiment is about 375 mm.
- the longitudinal dimension of the front waist member 20 forming the front waist region 11 in the longitudinal direction Y is about 80 to 130 mm, preferably about 85 to 125 mm, and in this embodiment, about 90 mm.
- the length of the rear waist member 30 forming the rear waist region 12 in the longitudinal direction Y is about 150 to 190 mm, preferably about 155 to 185 mm, and in this embodiment about 155 mm.
- a plurality of elastic yarns are used, but not limited to this, various elastic bodies such as an elastic sheet and a belt-like elastic body are used. be able to. Similarly, various elastic bodies can be used for the gasket elastic body 51 and the barrier elastic body 61.
- the core 42 a core having a lateral dimension X that is smaller in length than that of the front and rear parts is used, but it is also possible to use a core having the same length in the lateral direction X. .
- FIG. 6 shows a second embodiment of the present invention, and is characterized in that a third region 74 is further adjacent to the crotch region side of the second region 72.
- Components other than this feature are the same as those in the first embodiment. Detailed description of similar components will be omitted, and description will be made using the same reference numerals as in the first embodiment.
- the front and rear waist regions 11 and 12 are partitioned by a first region 71, a second region 72, and a third region 74, and the second region 72 and the third region 74 are partitioned by a virtual line 76.
- the length dimension in the vertical direction Y of the second area 72 is about 44 mm
- the length dimension in the vertical direction Y of the third area 74 is about 27.5 mm.
- each dimension is not limited to this value, and the length dimension of the second area 72 in the vertical direction Y can be appropriately changed between about 27 to 50 mm and that of the third area 74 is about 25 to 36 mm.
- region 71 is the same as the 1st embodiment.
- the tightening force of the first and second regions 71 and 72 is the same as that of the first embodiment.
- the tightening force F of the third region 74 is about 0.16 to 0.28, and in this embodiment is about 0.18.
- the method for measuring the tightening force is the same as in the first embodiment.
- the clamping force of the second region 72 is about 20-50% greater than that of the third region 74, in this embodiment about 40%.
- the third region 74 By forming the third region 74 on the crotch region 13 side of the second region, it is possible to improve the wearer's feeling of wear.
- the third region 74 is in contact with the wearer's leg base portion. When the tightening force at the leg base portion is increased, the inner and outer surface sheets 24 and 25 of the front waist member 20 may bite into the root portion. . However, this biting can be suppressed by forming the third region 74. Moreover, since it can be made to contact
- the tightening force of the second region 72 is about 20 to 50% larger than that of the third region 74. By making this range, the second region 72 is brought into close contact with the body, and the third region 74 is bitten. It is possible to exert both effects of preventing the above.
- the tightening force of the first region and the second region is made equal between the front waist member 20 and the rear waist member 30, but is different between the front and rear waist members 20, 30. You may do it.
- the rear waist region 12 can be further easily expanded in the lateral direction X. In this case, it is easy for the wearer who is sleeping on his back to wear it.
- the separation distances from the waist end edges 22 and 32 to the front and rear end edges 42a and 42b of the core 42 are made equal, but this can also be made different.
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Abstract
Description
前記第1領域は、第1ウエスト弾性体によってその全域において前記横方向に弾性化され、前記第2領域は、前記コアに重なる非弾性領域と前記非弾性領域の横方向両外側に位置するとともに第2ウエスト弾性体によって弾性化された弾性領域とを含み、前記第1領域の締め付け力は、前記第2領域のそれよりも小さくされることを特徴とする。
図1~5は、この発明の第1の実施態様を示すものであり、着用物品として使い捨ておむつを例に挙げて説明する。
おむつ10は、両側縁21,31が互いに接合された状態で第1および第2領域71,72をそれぞれ切り取り、サンプルとして用いた。各領域を切り取る際、吸液構造体41が存在する領域では、吸液構造体41も同時に切り取ってサンプルに含まれるようにしている。各サンプルにおいて、弾性体によって収縮した状態の一方のシーム部14の内端から他方のシーム部14の内端までの距離をSWとし、各弾性体の伸張力に抗して横方向Xに伸長させた状態の一方のシーム部14の内端から他方のシーム部14の内端までの距離をPWと規定している。各領域の縦方向Yの長さ寸法をLとしている。
図6は、この発明の第2の実施態様を示したものであり、第2領域72のクロッチ域側にさらに第3領域74が隣接することを特徴とする。この特徴以外の構成要素は、第1の実施態様と同様である。同様の構成要素については、詳細な説明を省略し、第1の実施態様と同じ符号を用いて説明する。
11 前ウエスト域
12 後ウエスト域
13 クロッチ域
41 吸液構造体
42 コア
42a 前端縁
42b 後端縁
43 内装シート(被覆シート)
45 外装シート(被覆シート)
46 前フラップ
47 後フラップ
71 第1領域
72 第2領域
72a 非弾性領域
72b 弾性領域
74 第3領域
81 第1ウエスト弾性体
82 第2ウエスト弾性体
X 横方向
Y 縦方向
Claims (5)
- 縦方向および横方向と、身体側およびその反対側と、前ウエスト域、後ウエスト域および前記前後ウエスト域間に位置するクロッチ域を含むシャーシと、前記クロッチ域から前記前後ウエスト域へと延びる吸液構造体と、前記前後ウエスト域に前記横方向に伸長状態で収縮可能に取り付けられたウエスト弾性体とを含み、前記吸液構造体は、吸液性のコアと、前記コアを覆う被覆シートと、前記コアの前後端縁の前記縦方向外側に位置し前記被覆シートによって形成される前後フラップとを含む着用物品において、
前記前後ウエスト域に重なる前記吸液構造体の前記縦方向長さ寸法は、前記前後ウエスト域の前記縦方向長さ寸法の70~90%であり、前記前後ウエスト域は、ウエスト開口端から前記クロッチ域側へと延びるとともに少なくとも前記前後フラップの一部に重なる第1領域と、前記第1領域に隣接する第2領域とを含み、
前記第1領域は、第1ウエスト弾性体によってその全域において前記横方向に弾性化され、前記第2領域は、前記コアに重なる非弾性領域と前記非弾性領域の横方向両外側に位置するとともに第2ウエスト弾性体によって弾性化された弾性領域とを含み、前記第1領域の締め付け力は、前記第2領域のそれよりも小さくされることを特徴とする前記着用物品。 - 前記第1領域の締め付け力は、前記第2領域の締め付け力の70~90%である請求項1記載の着用物品。
- 前記前後ウエスト域は、前記第1領域と前記第2領域とによって区画される請求項1または2記載の着用物品。
- 前記前後ウエスト域は、前記第2領域の前記クロッチ域側に隣接する第3領域を含み、前記前後ウエスト域は、前記第1領域、第2領域および第3領域によって区画されるとともに、前記第3領域の締め付け力は、前記第2領域のそれよりも小さくされる請求項1または2記載の着用物品。
- 前記第2領域の締め付け力は、前記第3領域のそれよりも20~50%大きくされる請求項4記載の着用物品。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
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AU2010337643A AU2010337643B2 (en) | 2009-12-28 | 2010-12-16 | Wearing article |
BR112012015790-6A BR112012015790B1 (pt) | 2009-12-28 | 2010-12-16 | 'artigo do vestuário' |
US13/519,622 US9023007B2 (en) | 2009-12-28 | 2010-12-16 | Wearing article with differential tightening forces in the waist regions |
NZ600769A NZ600769A (en) | 2009-12-28 | 2010-12-16 | Diaper including elastic and inelastic zones at waist |
CN201080059798.7A CN102686194B (zh) | 2009-12-28 | 2010-12-16 | 穿着物品 |
EP10840885.7A EP2520259B1 (en) | 2009-12-28 | 2010-12-16 | Diaper |
EA201290333A EA022153B1 (ru) | 2009-12-28 | 2010-12-16 | Предмет одежды |
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JP2009298787A JP5346276B2 (ja) | 2009-12-28 | 2009-12-28 | 着用物品 |
JP2009-298787 | 2009-12-28 |
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WO2011081027A1 true WO2011081027A1 (ja) | 2011-07-07 |
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US (1) | US9023007B2 (ja) |
EP (1) | EP2520259B1 (ja) |
JP (1) | JP5346276B2 (ja) |
KR (1) | KR101591140B1 (ja) |
CN (1) | CN102686194B (ja) |
AU (1) | AU2010337643B2 (ja) |
BR (1) | BR112012015790B1 (ja) |
EA (1) | EA022153B1 (ja) |
MY (1) | MY162378A (ja) |
NZ (1) | NZ600769A (ja) |
PL (1) | PL2520259T3 (ja) |
TW (1) | TWI507180B (ja) |
WO (1) | WO2011081027A1 (ja) |
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US9023007B2 (en) | 2015-05-05 |
EA022153B1 (ru) | 2015-11-30 |
EP2520259A1 (en) | 2012-11-07 |
KR101591140B1 (ko) | 2016-02-02 |
US20120289921A1 (en) | 2012-11-15 |
KR20120102793A (ko) | 2012-09-18 |
JP5346276B2 (ja) | 2013-11-20 |
TW201138740A (en) | 2011-11-16 |
CN102686194A (zh) | 2012-09-19 |
CN102686194B (zh) | 2014-08-06 |
TWI507180B (zh) | 2015-11-11 |
EA201290333A1 (ru) | 2013-01-30 |
JP2011136082A (ja) | 2011-07-14 |
AU2010337643A1 (en) | 2012-07-12 |
BR112012015790B1 (pt) | 2020-07-07 |
EP2520259B1 (en) | 2016-03-30 |
MY162378A (en) | 2017-06-15 |
AU2010337643B2 (en) | 2015-07-09 |
BR112012015790A2 (pt) | 2016-06-07 |
EP2520259A4 (en) | 2013-10-30 |
PL2520259T3 (pl) | 2016-09-30 |
NZ600769A (en) | 2013-05-31 |
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