WO2017037958A1 - パンツ型着用物品 - Google Patents

パンツ型着用物品 Download PDF

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Publication number
WO2017037958A1
WO2017037958A1 PCT/JP2015/076030 JP2015076030W WO2017037958A1 WO 2017037958 A1 WO2017037958 A1 WO 2017037958A1 JP 2015076030 W JP2015076030 W JP 2015076030W WO 2017037958 A1 WO2017037958 A1 WO 2017037958A1
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WO
WIPO (PCT)
Prior art keywords
dimension
panel
absorbent
waist
diaper
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Application number
PCT/JP2015/076030
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English (en)
French (fr)
Japanese (ja)
Inventor
瞳 中尾
祐介 川上
訓功 川端
Original Assignee
ユニ・チャーム株式会社
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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
Publication of WO2017037958A1 publication Critical patent/WO2017037958A1/ja

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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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/496—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 specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs

Definitions

  • the present invention relates to a pants-type wearing article mainly for adults.
  • Patent Document 1 a front waist panel forming a front waist region, a rear waist panel forming a rear waist region, an absorbent panel positioned between the front and rear waist panels to form a crotch region, a liquid absorbent core
  • a pants-type wearing article including a pair of leakproof cuffs extending in the longitudinal direction on the side of the skin facing surface of the absorbent panel.
  • the width dimension of the absorber is increased in order to ensure sufficient absorption of body fluid, and even if the absorber absorbs body fluid after excretion and the weight increases, the position is increased.
  • the vertical dimension around the waist was made larger than that of the body so as not to shift.
  • the leg opening may be caught by the leg opening or the upper end of the diaper may protrude from the upper end of the clothing such as underwear when the leg opening becomes relatively small and worn .
  • the crotch portion may be stiffened, a part may be bent, and a step-like contour line may appear on the clothes, and it may be recognized by others that the diaper is worn in appearance.
  • For female wearers who wear diapers for the first time because of light incontinence such difficulty of wearing, poor appearance and that they may be known by others that they are wearing diapers Feel a sense of resistance.
  • the object of the present invention is an improvement of the prior art, and it is possible to temporarily diffuse and retain fluid having a relatively slim liquid absorbent core and at the same time the amount of water retention of the liquid absorbent core. , The provision of an adult pants-type wearing article that can be worn by women without a sense of resistance.
  • the present invention has a longitudinal direction and a lateral direction, and is disposed between a front waist panel forming a front waist region, a rear waist panel forming a rear waist region, and the front and rear waist panels to form the crotch region And an absorbent panel having an absorbent body.
  • a first dimension which is a length dimension from the upper edge to the lower edge of the front waist panel is the absorption panel from the lower edge of the front waist panel Smaller than the second dimension which is the length dimension up to the lower end edge of the front waist panel, and the total dimension of the first dimension and the second dimension is 250 to 290 mm,
  • the fourth dimension, which is the lateral dimension of one non-overlapping portion has a size of 45 to 80%, and the water retention amount of the absorber is 150 to 400 g, and the lateral dimension in the front waist region Extend in the direction Elongation stress placed stretchable zone of the waist elastic body, being higher than a tensile stress of the stretchable region waist elastics are disposed after the said rear waist region extending
  • the absorbent panel has both side portions located on the outer side in the lateral direction of the absorber, and on both sides, longitudinally extending leg elastic bodies are disposed, and the dimension in the thickness direction of the both sides is the absorption Because the dimensions in the thickness direction of the central portion of the panel are larger, both sides have relatively high bending rigidity, and even if the width dimension of the absorbing panel is relatively small, the rear waist region side There is no risk that a part may fall and the buttocks may be exposed.
  • the first dimension is 180 to 210 mm
  • the second dimension is 170 to 190 mm
  • the third dimension is 190 to 210 mm
  • the fourth dimension is 170 to 270 mm.
  • the appearance is relatively low rise like a low rise, can give a clean impression.
  • the absorbent panel further includes a pair of leakproof cuffs extending in the longitudinal direction on the skin facing surface side, and the leakproof cuffs are arranged with the longitudinally extending proximal end portion and the plurality of longitudinally extending cuff elastic bodies. And a longitudinally extending side extending portion is positioned outside the lateral direction of the proximal end portion of the leak-barrier cuff, and a leg elastic body is disposed in the side extending portion. Ru.
  • the leakage preventing cuffs stand up and come in contact with the buttocks of the wearer, while the side extension parts come in contact with the base of the thighs, so the lateral leakage of the excrement is assured. It can be suppressed.
  • the side extension portion has a hydrophilic layer and a hydrophobic layer covering the hydrophilic layer in the thickness direction, and thus temporarily holds a body fluid having a water holding amount equal to or greater than the water retention amount of the absorber in the hydrophilic layer. While covering the hydrophilic layer with the hydrophobic layer, the leakage of the body fluid is suppressed.
  • a liquid-permeable inner sheet covering the skin-facing surface side of the absorber is provided, and the hydrophilic layer has an extended portion of the inner sheet extending outward in the lateral direction from both side edges of the absorber.
  • the absorbent body has a liquid-absorbent core and a core cover sheet covering the same, and the hydrophilic layer extends from the both sides of the liquid-absorbent core further outward in the lateral direction. Since it has a portion, by utilizing the liquid diffusibility and the liquid retentivity of the core cover sheet, it is possible to temporarily hold the body fluid more than the water retention amount of the absorber.
  • the underpants-type wearing article for adults it is possible to give a clean impression that is relatively shallow in the crotch, easy to wear, and fit to the shape of the wearer.
  • the following embodiment relates to a disposable diaper 10 which is an example of the pull-on wearing article mainly used for adults according to the present invention shown in FIG. 1 to FIG. 7, not only the essential constitution of the invention but also selective and preferable.
  • a disposable diaper 10 which is an example of the pull-on wearing article mainly used for adults according to the present invention shown in FIG. 1 to FIG. 7, not only the essential constitution of the invention but also selective and preferable.
  • each elastic body described later resists its contraction force, and the contraction force in the transverse direction X and the longitudinal direction Y makes gathers produced in the components of the diaper 10 to which each elastic body is attached be natural. It is in an extended state to the extent that it appears to be substantially lost by visual inspection.
  • the disposable diaper 10 has a longitudinal direction Y and a transverse direction X intersecting the same, a thickness direction Z, a skin opposing surface and a non-skin opposing surface opposite to the skin, and It has a longitudinal centerline P which bisects the longitudinal dimension and a transverse central line Q which bisects the longitudinal dimension Y, and is substantially symmetrical with respect to the longitudinal centerline, and the front waist region 11; It includes a rear waist region 12 and a crotch region 13 located between the front waist region 11 and the rear waist region 12.
  • a pant-type wearing article means a pull-on wearing article, has a defined waist opening and leg opening, inserts the wearer's leg into the leg opening and pulls the article onto the waist for wearing
  • the article may or may not have a pair of leg hoses.
  • the diaper 10 is an absorbent panel extending in the longitudinal direction Y between the front waist panel 14 forming the front waist region, the rear waist panel 15 forming the rear waist region, and the front and rear waist panels 14 and 15 to form the crotch region 13 And 16.
  • the absorbent panel 16 has a front end 19A located on the skin facing surface side of the front waist area 11, a rear end 19B located on the skin facing surface of the rear waist area 12, and an intermediate located between the front and rear ends 19A and 19B. And 19C.
  • the front and rear end portions 19A and 19B of the absorbent panel 16 are positioned on the skin facing surface side of the front and rear waist regions 11 and 12, respectively, but the front and rear end portions 19A and 19B are front and rear waist regions 11 and 12 respectively.
  • the absorbent panel 16 may be fixed to the outer surface of the front and rear waist panels 14 and 15 so as to be located on the non-skin facing surface of the
  • the side edges of the front waist region 11 and the side edges of the rear waist region are joined to each other by a plurality of side seams 25 which are interrupted in the longitudinal direction Y, and a waist opening 26 and a pair of leg openings 27 are defined.
  • the side seams 25 can be formed by bonding means using various adhesives such as a hot melt adhesive, heat sealing, various known bonding means using welding means such as sonic, or a combination thereof.
  • the front waist panel 14 has a lower end edge (lower end edge of the front waist area) 14a which forms a part of the front leg opening, an upper edge (upper end edge of the front waist area) 14b which forms the front waist opening, and upper and lower end edges It has a horizontally long rectangular shape defined by both side edges 14c and 14d (both side edges of the front waist region) extending in the longitudinal direction Y between 14a and 14b.
  • the front waist panel 14 has a liquid-impervious inner layer sheet 17 located on the skin-facing surface side, a liquid-impervious outer layer sheet 18 located on the non-skin facing surface side, and the inner and outer layer sheets 17 and 18.
  • a plurality of strand-like or string-like front waist elastic bodies 20 disposed contractible in an extended state in the lateral direction X.
  • the rear waist panel 15 has a lower end edge (lower end edge of the rear waist area) 15a which forms a part of the rear leg opening, an upper edge (upper end edge of the rear waist area) 15b which forms the rear waist opening, and upper and lower end edges Both side edges (both side edges of the rear waist region) 15c and 15d extending in the longitudinal direction Y between 15a and 15b.
  • the rear waist panel 15 includes a liquid-impervious inner layer sheet 21 positioned on the skin-facing surface side, a hydrophobic and / or liquid-impervious outer layer sheet 22 positioned on the non-skin-facing surface side, and an inner and outer layer sheet 21. , 22 and a plurality of strand-like or string-like rear waist elastic bodies 23 disposed retractably in the transverse direction X in a stretched state.
  • the front waist elastic body 20 has a plurality of front upper waist elastic bodies 20A extending in the lateral direction X along the upper end edge 14b, and a front lower waist elastic body located between the front upper upper waist elastic body 20A and the lower end edge 14a. And 20B.
  • the rear waist elastic body 23 is a rear lower waist elastic body located between the rear upper waist elastic body 23A and the rear upper waist elastic body 23A and the lower end edge 15a extending in the lateral direction X along the waist opening edge. And 23B.
  • the front lower waist elastic body 20B is positioned to overlap with the front end 19A of the absorbent panel 16 and the diaper 10 in plan view, and the rear lower waist elastic body 23B is mutually overlapped with the rear end 19B of the absorbent panel 16 in plan view It is located to overlap.
  • the inner and outer layer sheets 17, 18, 21, 22 of the front and rear waist panels 14, 15 are impervious and preferably breathable, having a weight of about 10 to 40 g / m 2 and a fiber density of about 0.03
  • Various known fiber non-woven fabrics such as spun bond non-woven fabric of ⁇ 0.1 g / cm 3 , SMS (spun bond-melt-blown-spun-bond) fiber non-woven fabric, air-through fiber non-woven fabric, etc. can be used.
  • the front and rear upper waist elastics 20A and 23A have a fineness of about 600 to 1200 dtex and can be contracted in a state of being stretched about 2.5 to 3.5 times
  • a string-like or strand-like elastic material may be used.
  • the front and rear lower waist elastic bodies 20B and 23B for example, a string shape or a strand having a fineness of about 400 to 800 dtex and disposed so as to be contractible in a state of being stretched about 1.5 to 3.0 times -Shaped elastic materials can be used. It is preferable that the extensional stress of the expansion and contraction region in which the front lower waist elastic body 20B is disposed is higher than the extensional stress of the expansion and contraction region in which the rear lower waist elastic body 23B is disposed.
  • the elastic stretchable sheet is applied to the inner surface side of the front and rear waist regions 11 and 12 It may be disposed on the outer surface side.
  • the absorbent panel 16 is a vertical rectangular shape defined by the front and rear end edges 16a and 16b and the both side edges 16c and 16d, and the front and rear end portions 19A and 19B are formed on the skin facing surface of the front and rear waist panels 14 and 15, for example They are bonded to each other via a front and rear bonding area (not shown) formed by applying a hot melt adhesive.
  • the application pattern of the hot melt adhesive in the front and rear joint area may adopt, for example, various known shapes such as ⁇ shape, spiral shape, and wave shape in addition to a plurality of line shapes extending in the longitudinal direction Y.
  • the absorbent panel 16 is a liquid-absorbent structure 30 composed of a hydrophilic / liquid-permeable inner sheet (body-side liner) 31 and an absorbent body 33 positioned on the skin-facing surface side.
  • a hydrophobic covering sheet 32 positioned on the non-skin opposing surface side of the liquid absorbent structure 30, and a hydrophobicity or a size that covers at least the bottom of the non-skin opposing surface side of the liquid absorbent structure 30;
  • an impervious, leak-proof plastic film 34 is an impervious, leak-proof plastic film 34.
  • the absorber 33 has a liquid-absorbent core 35 and a core cover sheet 36 which covers the whole of the liquid-absorbent core 35.
  • the liquid-absorbent core 35 is a semi-rigid panel shaped into a required shape, and extends toward the longitudinal centerline P between the front and rear edges extending in the lateral direction X and the front and rear edges (horizontal direction X And both side edges 35c, 35d extending in a convex manner.
  • the absorbent core 35 comprises wood fluff pulp and superabsorbent polymer particles (SAP) commonly used in the art.
  • the thickness dimension of the absorbent core 35 be relatively small, for example, the mass of SAP to the mass of wood fluff pulp
  • the thickness dimension may be reduced while maintaining the required amount of water absorption, or the absorbent core 35 may be formed only of SAP.
  • the inner sheet 31 and the core cover sheet 36 are formed of a sheet material having lyophilic (hydrophilic) and liquid diffusibility, and the material is, for example, a weight of about 15 to 25 g / m 2.
  • the hydrophilized spunbond non-woven fabric, SMS fiber non-woven fabric, etc. can be used.
  • the material of the core cover sheet 36 may be the same type of sheet material as the inner surface sheet 31 but is preferably tissue paper.
  • the thickness dimension may be smaller than that of the inner sheet 31 and may be a thickness dimension that achieves a strength that can hold the liquid-absorbent core 35 in a required shape.
  • the covering sheet 32 is formed of a hydrophobic or substantially liquid-impervious sheet material, and is formed of, for example, an SMS fiber non-woven fabric, a spun-bonded non-woven fabric, or the like having a weight of about 15 to 30 g / m 2 .
  • the leakproof film 34 is preferably formed of a breathable, hydrophobic sheet material, for example, a moisture-permeable plastic film having a weight of about 10 to 25 g / m 2 .
  • the inner sheet 31 further extends outward in the lateral direction X from the side edges 35c and 35d of the liquid absorbent core 35.
  • the inner sheet 31 covering the skin-facing surface side of the liquid-absorbent core 35 is along a bending line (not shown) extending in the longitudinal direction Y along the side edges 16 c and 16 d of the absorbing panel 16. It is bent and extends toward the longitudinal center line P, and its outer edge 31 b is located on the non-skin opposing surface side of the liquid-absorbent core 35.
  • the core cover sheet 36 which covers the liquid absorbent core 35 has an outer size which is larger than the outer dimensions of the liquid absorbent core 35.
  • the inner sheet 31 and the core cover sheet 36 respectively have extending portions 31A, 36A extending outward in the lateral direction from the side edges 35c, 35d of the liquid absorbent core 35, and these extending portions 31A, 36A
  • a hydrophilic layer (liquid absorbing layer) 50 is formed on the outer side of the liquid absorbent core 35 in the lateral direction X.
  • the hydrophilic layer 50 has a four-layer structure because it is formed of the extension portions 31A and 36A in which the inner surface sheet 31 and the core cover sheet 36 are folded.
  • the extended portion 31A of the inner sheet 31 and the extended portion 36A of the core cover sheet 36 may have a single-layer structure instead of a two-layer structure as long as they have the required liquid retention performance, or they may be hydrophilic
  • the layer 50 may be formed of only the extending portion 31A of the inner sheet 31.
  • both side edges 35c, 35d of the liquid absorbent core 35 have a concave shape, the hydrophilic layer 50 has the largest dimension in the lateral direction X at the central portion of the crotch region 13, and the front and rear waist regions The dimensions are smallest at 11 and 12.
  • the absorbent panel 16 has a pair of leakproof cuffs 60 extending in the longitudinal direction Y, and a pair of side extension parts (gasket cuffs) 61 located on the outer side in the lateral direction X of the leakproof cuffs 60.
  • the leak-barrier cuffs 60 are fixed to the inner sheet 31 via the inner joint area 47 and both end fixing parts fixed to the inner sheet 31 through the end joint area 48 of the both sides 42 of the covering sheet 32.
  • a proximal end (proximal portion) 62 extending in the longitudinal direction Y, and a free portion (distal portion) 63 extending in the longitudinal direction Y parallel to the proximal end 62 and extending in the longitudinal direction Y between both end fixing portions And.
  • a cuff elastic body 64 is disposed in the free portion 63 so as to be contractible in an extended state. In the worn state, the cuff elastic body 64 contracts so that the edge separates from the inner sheet 31 to the body side of the wearer and fits the thighs of the wearer to prevent leakage of excrement.
  • the leak-barrier cuffs 60 and the side extension 61 are formed from the cover sheet 32, but the leak-barrier cuffs 60 may be formed from a sheet material separate from the cover sheet 32. In such a case, since the leak-barrier cuffs 60 mainly prevent leakage of excrement, they are not necessarily formed of a liquid-impervious sheet. Alternatively, an elastic stretchable sheet may be used as the free portion 63 of the leakproof cuff 60 or the cuff elastic body 64.
  • the covering sheet 32 is bent toward the non-skin-to-skin-rear-surface side of the liquid absorbing structure 30, the main body 41 in which the liquid absorbing structure 30 is disposed, both side portions 42 located on both sides in the lateral direction X of the main body 41. And an outer edge 42A.
  • the side extension 61 of the absorbing panel 16 includes the hydrophilic layer 50 including the extension 31A of the inner sheet 31 and the extension 36A of the core cover sheet 36, and the hydrophilic layer 50 in the thickness direction Z. And covering hydrophobic layers 51 and 52.
  • the hydrophobic layers 51 and 52 are a first hydrophobic layer (lower layer) 51 covering the non-skin opposing surface side of the hydrophilic layer 50 and a second hydrophobic layer covering the skin opposing edge side of the hydrophilic layer 50. (Upper layer) 52.
  • the first hydrophobic layer 51 has a three-layer structure composed of the main portion 41 of the covering sheet 32, the outer edge 42A and the leakproof film 34, and the second hydrophobic layer 52 has both sides of the covering sheet 32.
  • the side extension portion 61 of the absorbing panel 16 has elasticity in at least the longitudinal direction Y by the contraction action of the leg elastic body 65 located in the first hydrophobic layer 51.
  • the leakage preventing cuffs 60 are erected toward the body of the wearer by the contraction action of the cuff elastic body 64, and the side extension 61 is formed of the thigh by the contraction force of the leg elastics 65. It is fitted near the base.
  • the leg opening edge of the diaper 10 is in contact with the body in a relatively wide range by the leak-barrier cuffs 60 and the side extension 61, the lateral leak for excrement due to the leak-barrier cuffs 60 alone. Side leakage can be more effectively prevented compared to the case of preventing
  • the side extension 61 has the first hydrophobic layer 51 covering the non-skin opposing surface side of the hydrophilic layer 50 and the second hydrophobic layer 52 covering the skin opposing surface side of the hydrophilic layer 50.
  • the hydrophilic layer 50 it is possible to suppress the leakage and absorption of the absorbed body fluid to the both side edges thereof to the outside.
  • the first and second hydrophobic layers 51, 52 are formed by bending the covering sheet 32 so as to cover the entire hydrophilic layer 50, and the lateral direction of the hydrophilic layer 50 is obtained. Since the hydrophobic layer is also located outside X, no body fluid leaks to the outside.
  • FIG. 5 (a) is a plan view of the diaper 10 according to this embodiment in a non-stretched state
  • FIG. 5 (b) is a case where clothes (trousers) 92 are worn on a doll 91 in which the diaper 10 is pierced
  • FIG. 6A is a plan view of the diaper 110 which is an example of a conventional diaper in a non-stretched state
  • FIG. 6B is a diagram of the conventional diaper 110.
  • FIG. 7A is a view showing an aspect of measuring a change in the outline line of clothes in the case where the clothes 91 are worn on a doll 91 in which FIG. 7B is a plan view of FIG. 7B is a view showing an aspect of measuring a change in outline of clothes when the clothes 92 are worn on the doll 91 having the underwear 210 pierced.
  • a measuring doll 91 having a form of the lower body of an average woman is arranged to be separated by 23 mm at a position closest to the wall surface 90 located on the back surface thereof.
  • the clothes (trousers) 92 preferably made of a stretchable material that fits the doll 91.
  • the separation distance R1 (mm) of the position U1 was measured.
  • the conventional diaper 110 and the undergarment 210 are respectively pierced in the doll 91 and measured.
  • the separation distances R2 and R3 (mm) were measured.
  • the garment 92 was of a type with a relatively shallow rise for women (so-called low rise type), and had a size of a rise of 210 mm.
  • the diaper 10 is divided in a front view into an upper portion 81 consisting of the front waist panel 14 and a lower portion 82 located below the same, for convenience of description.
  • the diaper 10 has a first dimension (longitudinal dimension of the upper portion 81) L1 of 110 to 140 mm, which is a dimension in the longitudinal direction Y from the upper edge 14b to the lower edge 14a of the front waist panel 14 in a non-stretched state (contracted state).
  • the second dimension (longitudinal dimension of the lower portion 82) L2 which is the distance from the lower edge 14a of the front waist panel 14 to the lower end (point on the transverse center line Q) of the absorbent panel 16 is 140 to 150 mm
  • the third dimension L3 which is the length dimension in the transverse direction X of the portion (overlapping portion) of the lower end edge 14a of the waist panel 14 overlapping with the absorption panel 16 is 120 to 140 mm, of the lower end edge 14a of the front waist panel 14
  • the first dimension L1 and the second dimension L2 were measured along the longitudinal center line P.
  • the dimension W1 of the front waist region 11 (or the rear waist region 12) in the transverse direction X is 550 to 740 mm
  • the first The dimension L1 is 180 to 210 mm
  • the second dimension L2 is 170 to 190 mm
  • the third dimension L3 is 190 to 210 mm
  • the fourth dimension L4 is 170 to 270 mm.
  • the diaper 110 of Comparative Example 1 has the same basic structure as the diaper 10 according to the present embodiment (however, it does not have the structure related to the side extension 61).
  • the front waist panel 114 and the rear waist panel are joined to each other via side seams 125 whose side edges are discontinuous in the longitudinal direction Y, and the absorbent panel 116 is located on the skin facing surface side of the front waist panel 114 It has a front end 119A, a rear end located on the skin facing surface side of the rear waist panel, and a central portion 119C located between the front end 119A and the rear end.
  • a plurality of front upper waist elastic bodies 120A extending in the lateral direction X on the waist opening side and a front lower waist elastic body 120B extending in the lateral direction X below the front upper waist elastic body 120A are disposed.
  • the front lower waist elastic body 120B is cut and removed at a portion of the front waist panel 114 overlapping the front end 119A of the absorbent panel 116, and the rear waist panel has a similar configuration. Also, the conventional diaper 110 is divided into an upper portion 181 consisting of a front waist panel 114 and a rear waist panel and a lower portion 182 located below the upper portion for convenience of explanation.
  • the conventional diaper 110 has the dimensions of an average adult diaper, and in the non-stretched state, has a size in the longitudinal direction Y from the upper edge 114 b to the lower edge 114 a of the front and rear waist panels 114
  • One dimension (longitudinal dimension of the upper portion 181) M1 is 150 to 170 mm.
  • a second dimension (lower portion) which is a distance dimension from the lower end edge 114a of the front waist panel 114 to the lowermost end of the absorbent panel 116 (point T2 on the transverse center line bisecting the longitudinal dimension of the entire diaper 110).
  • the third dimension M3 is 140 to 150 mm and the length dimension in the transverse direction X of the portion (overlapping portion) of the lower edge 114a of the front waist panel 114 overlapping the absorbing panel 116 is 140 to 150 mm. 160 mm, a fourth dimension (leg) of the dimension in the lateral direction X of one non-overlapping portion of the pair of non-overlapping portions positioned outside in the lateral direction X of the overlapping portion of the lower end edges 114a of the front and rear waist panels 114
  • the dimension of the opening M4 is 80 to 90 mm.
  • the first dimension M1 and the second dimension M2 were measured along a longitudinal center line J extending vertically from the upper end edge 114b to the lower end edge 114a, which divides the lateral dimension into two equal parts.
  • a general undergarment for women 210 has front and rear waist areas 211 and 212 and a crotch area 213, and the waist opening edge and the leg opening edge are the undergarment body. Separate elastic sheets 220 and 221 are attached so as to be stretchable.
  • the underwear 210 has an upper portion 281 extending from the upper edge 214 b of the front waist area 211 to the upper edge of the leg opening in a front view, and a lower portion 282 located below the upper portion 281.
  • the lower end edge of the front waist area 211 means the lower end edge 214a connecting the upper ends of the pair of leg openings.
  • the first dimension (longitudinal dimension of the upper portion 281) N1 is 100 to 120 mm in the front waist region 211, which is the vertical dimension from the upper edge 214b to the lower edge of the front waist region 211 in the non-stretched state.
  • a second dimension (longitudinal dimension of the lower portion 282) N2 which is a separation dimension from the lower end edge to the lowermost end of the crotch area 213 (point T3 on the transverse center line bisecting the longitudinal dimension of the entire undergarment 210)
  • the dimension N3 of the lateral direction X of the portion located at the boundary with the crotch region 213 of the lower end edge of the front waist region 211 is 110 to 160 mm
  • the dimension in the direction X (width dimension of the leg opening) N4 is 72 to 88 mm.
  • the first dimension N1 and the second dimension N2 were measured along a longitudinal center line J extending vertically from the upper end edge 214b to the lower end edge 214a, which equally divides the lateral dimension into two.
  • the separation dimension R3 between the wall surface 90 and the closest position U3 is 18 mm, and part of the underwear 210 is from above the clothes 92. It did not go out.
  • the underwear 210 is not fitted to the doll 91 of the underwear 210 on the back side by being fitted to the doll 91. Parts do not form a step, do not protrude backward, and can give an overall slim impression.
  • the undergarment 210 When the undergarment 210 is worn, a part of the undergarment 210 does not protrude from the upper side of the clothes 92.
  • the first dimension N1 is smaller than the second dimension N2, a low rise type as a whole is It is conceivable to make a shape.
  • the total dimension of the first dimension N1 and the second dimension N2 is 230 to 270 mm, the lower portion 282 of the undergarment 210 does not stick in the low-rise type garment 92 having a crotch dimension of 210 mm. It is considered that a step or the like due to a portion that fits on the doll 91 and is doubled on the surface of the clothes 92 is not formed.
  • the applicant found that the total size of the first dimension N1 and the second dimension N2 is in the range of 250 to 290 mm. It has been found that the lower part 282 does not fit into the doll 91 and does not double.
  • the first dimension L1, 1 of the diapers 10 and 110 is such that the lower portions 82 and 182 do not have tabs in the garment 92, as in the undergarment 210. It is considered necessary that M1 be smaller than the second dimensions L2 and M2 and that the total dimension of the first dimensions L1 and M1 and the second dimensions L2 and M2 be in the range of 250 to 290 mm.
  • the first dimension M1 which is the dimension of the upper portion 181 of the front waist area 111 in the longitudinal direction and the second dimension M2 which is the dimension of the lower portion 182 in the longitudinal direction Y have the first dimension M1. Is smaller than the second dimension M2, and the first dimension M1 + the second dimension M2 is at least 290 mm or more.
  • the separation dimension R2 of the position U2 closest to the wall surface 90 of the doll 91 is 5 mm.
  • the conventional diaper 110 does not fit the doll 91, and the lower part 182 does not give a dull impression as a whole on the back side, and the part 110A protrudes from the clothes 92. By doing so, the appearance may be greatly impaired.
  • the first dimension L1 which is the dimension of the upper portion 81 of the front waist region 11 in the longitudinal direction and the second dimension L2 which is the dimension of the lower portion 82 in the longitudinal direction Y
  • the first dimension L1 is smaller than the second dimension L2
  • the first dimension L1 + the second dimension L2 is in the range of 250 to 290 mm.
  • the separation dimension R1 between the wall surface 90 and the wall surface 90 at the closest position U is 15 mm.
  • 82 did not double, and a step due to the lower portion 82 was not formed.
  • a part of the diaper 10 did not protrude from above the clothes 92.
  • the doubled portion of the garment 92 does not appear as an outline line, giving a clear impression and a part of the diaper 10 from the garment 92. It does not go out and damage the appearance.
  • the width dimension of the leg opening is designed to be relatively large so that the leg can be easily inserted from the leg opening even in the non-elongated state, specifically, the leg
  • the fourth dimension N4 which is the width dimension of the opening, has a size of about 45 to 80% of the third dimension N3, which is the width dimension of the crotch.
  • the fourth dimension L4 is about 45 to 80% of the third dimension L3, and when worn, it can be said that it is easy to insert the leg into the leg opening like the undergarment 210.
  • the leg opening is relatively narrow and it is difficult to insert the leg.
  • the size ratio is 80% or more, it may be said that there is a possibility that the leg opening becomes too large and the crotch portion becomes relatively narrow and bites into the body during wearing.
  • the absorber 33 located in the absorption panel 16 is thin compared with the diaper which is not for light incontinence, and its maintenance Even if the amount of water is relatively low and the body fluid is diffused throughout the absorber 33, the crotch portion does not sag downward due to its own weight.
  • the water retention amount of the absorber 33 is 150 to 400 g.
  • the absorber is relatively thick, the water retention amount is 500 to 1200 g, and the whole lower portion 182 is lowered by the weight of the absorber under the condition that the body fluid is diffused to the entire absorber.
  • the outer appearance of the conventional diaper 110 may appear more clearly in the appearance of the garment 92.
  • the amount of voided urine at one time is about 100 to 200 g, and the diaper 10 can sufficiently absorb and retain the amount of voided urine.
  • positioned is lower than the expansion stress of the expansion-contraction area in which the front lower waist elastic body 20B is arrange
  • the rear end 19B and the front end 19A of the absorbing panel 16 intersect the lower front and rear waist elastic bodies 20B and 23B and the size in the lateral direction X is reduced by the contraction force, and the amount of contraction of the rear end 19B is the front end Because the lateral dimension of the rear end 19B becomes smaller than the lateral dimension of the front end 19A, the entire heel area can be covered for the wearer before wearing, And, it can be visually recognized that the body fluid excreted to the rear waist region 12 side can be sufficiently absorbed and held, and a sense of security can be given. In addition, since the lateral dimensions of the front and rear end portions 19A and 19B seen through from the front and rear waist panels 14 and 15 are different, the front and rear of the diaper 10 can be easily identified.
  • the dimension of the absorbent panel 16 in the lateral direction X is relatively small, so that the impression is clear in the front view of the diaper 10 Can be given. Therefore, even when the wearer wears a garment that fits the body, the outer shape of the diaper 10 is not clearly visible from above the garment, and the wearer wears the diaper 10 for the first time You can reduce the resistance to doing things.
  • ⁇ Method of measuring the extension stress in the stretch zone> It measured by the following method using the tension tester (made by Shimadzu Corp. make) for the extension stress of each expansion-contraction area
  • the seam 25 is peeled off in the diaper 10 (M size of a normal adult diaper and the lateral dimension W1 is 600 mm) to separate the front and rear waist panels 14 and 15, and the front and rear waist panels 14 and 15
  • front and rear end portions 19A and 19B of the absorbent panel 16 joined to the inner surface with an adhesive are removed from the both waist panels 14 and 15, front and rear lower waist elastic bodies 20B and 23B are formed from the front and rear waist panels 14 and 15, respectively.
  • Each of the arranged stretch zones was cut into a width of 140 mm to obtain each sample.
  • the distance between the chucks is 300 mm
  • the movable jig has a speed of 300 mm. Move up by / min, separate distance between chucks to 425 mm, reverse motion, move back to close to 300 mm between chucks, reverse motion again, and separate until the distance between chucks is 425 mm
  • the tensile stress (N) at the time of loading was measured.
  • the extensional stress of the stretchable area in which the rear lower waist elastic body 23B is disposed is about 16 N / m
  • the extensional stress of the stretchable area in which the front lower waist elastic body 20B is disposed is about 21 N / m.
  • the former is about 3.5 N / m
  • the latter is about 10 N / m
  • the former is about 18 N / m
  • the latter is about 23 N for the diaper 10 of L size. It was / m.
  • the front lower waist elastic body 120B is cut and removed in the region where the front end 119A of the absorbent panel 116 is present, the above technical effects of the diaper 10 can not be obtained.
  • the front lower waist elastic body 120B is disposed at the front end portion 119A of the absorbent panel 116 and the rear lower waist elastic body disposed at the rear waist panel when crossing the rear end portion of the absorbent panel 116. Also, if they have the same elongation rate as each other, the same effect as the diaper 10 can not be obtained.
  • the side edges 35 c and 35 d of the liquid absorbent core 35 have a shape that is curved inward in the lateral direction X, and are prevented at the central portion of the crotch region 13. It is most distant from the proximal end 62 of the leak cuff 60.
  • the liquid-absorbent core 35 is semi-rigid, which is higher in rigidity than the sheet member, and when the liquid-absorbent core 35 is positioned near the proximal end 62, the proximal end 62 is affected by the rigidity and stands up.
  • the base end 62 and the liquid-absorbent core 35 are most separated in the central part of the crotch region 13 where the body fluid is accumulated most, so that the standing of the leakproof cuffs 60 is inhibited. Can prevent the side leakage of body fluid.
  • the outer joint area 46 located in the side extension 61 and the inner joint area 47 forming the proximal end 62 of the leak-barrier cuff 60 are separated from each other in the lateral direction X.
  • the outer joint area 46 and the inner joint area 47 are continuous, as long as the side extension 61 and the leak-barrier cuffs 60 stand independently of each other. It may be applied to the covering sheet 32.
  • the absorber 33 is relatively thin because the water retention amount of the absorber 33 is relatively small, and the side panel has a multilayer structure on both sides where the leg elastic bodies 65 of the absorbent panel 16 are disposed. Due to the position of the protrusion 61, the thickness dimension of the both sides of the absorbent panel 16 is larger than the thickness dimension of the central portion. Specifically, the thickness dimension D1 of the central portion of the absorbent panel 16 is about 2.0 to 4.0 mm, and the thickness dimension D2 of both side portions is about 5.0 to 7.0 mm.
  • the central portion of the absorbent panel 16 is a region in which the absorbent body 33 is disposed, and means a portion located between both side portions (portion where the side extension portion 61 is disposed), and at least a longitudinal section It means a region including the point where the centerline P and the transverse centerline Q intersect.
  • the leakproof cuffs 60 are laid down because the thickness dimension D2 of both sides of the absorption panel 16 is larger than the thickness dimension D1 of the central portion.
  • the thickness dimension of the leg opening edge is larger than the thickness dimension at the center of the crotch region by attaching the elastic sheet 221 separate from the underwear main body to the leg opening edge. .
  • the thickness dimension of the central part of the crotch region is 0.8 to 1.2 mm
  • the thickness dimension of the leg opening edge is 1.2 to 1.9 mm. Therefore, in the crotch region of both the diaper 10 and the underwear 210, since the leg opening edge is thicker than the central part, it can be said that the diaper 10 easily conforms to the underwear and conforms to its movement.
  • the conventional diaper 110 is relatively thick because the water retention amount of the absorber is relatively large, and because it does not have a configuration like the side extension 61 of the diaper 10
  • the thickness dimension of the central portion of the crotch region 113 in which the absorbent body is disposed is larger than the thickness dimension of both lateral portions of the central portion where the absorbent body is not disposed. It has become.
  • the thickness dimension of the central portion in the crotch region 113 of the absorbent panel 116 is 7.0 to 10.0 mm, and the thickness dimension of both sides is 1.0 to 3.0 mm.
  • the central portion of the absorption panel 116 is thicker than the side portions, so it can be said that it is difficult to conform to the undergarment 210 and difficult to conform to the movement.
  • the diaper 10 In the case of diapers for adults, in order to minimize the thickness dimension of the diaper 10 as much as possible from the viewpoint that it is desired to prevent the wearer from wearing the diaper on the inside of the clothes in the daily life It is preferable to reduce the thickness and / or width of the sexing core. However, when the thickness dimension or the like of the liquid-absorbent core is reduced, the amount of liquid absorbed by the body fluid may decrease, and the body fluid may not be sufficiently retained.
  • the diaper 10 comprises the extended portion 31A of the inner sheet 31 extending outward in the lateral direction X from the side edges 35c and 35d of the liquid absorbent core 35 and the extended portion 36A of the core cover sheet 36.
  • the body fluid absorbed in the absorbent core 35 in the hydrophilic layer 50 can be Body fluid that has not been diffused or absorbed into it can be absorbed directly, and body fluid that exceeds the amount absorbed by the absorbent core 35 can be temporarily held.
  • the side extension 61 is stably in contact with the body, so that the side edges of the crotch area 13 are not caught in the groin during wearing, and the buttocks are not exposed.
  • the thickness dimension D1 of the center part of the absorption panel and the thickness dimension D2 of both sides were measured by a thickness gauge (PEACOCK DIAL THICKNESS GAUSE diameter 50 mm, measurement pressure 3 g / cm 2 ).
  • Pants-type Wearables for Adults 11 front waist area 12 rear waist area 13 crotch area 14 front waist panel 14a lower edge of lower front panel (lower edge) 14b Upper edge of front waist panel (upper edge) 15 rear waist panel 16 absorption panel 19A front end 19B rear end 20 front waist elastic body (waist elastic body) 20B Front lower waist elastic 23 Rear elastic (waist elastic) 23B back lower waist elastic body 31 inner sheet 31A inner sheet extended portion 32 cover sheet 33 absorber 34 leakproof film 35 liquid absorbing core 36 core cover sheet 36A core cover sheet extended portion 50 hydrophilic layer 51 first layer Hydrophobic layer 52 Second hydrophobic layer 60 Leakproof cuff 61 Side extension 62 Base end 63 Free part 64 Cuff elastic body 65 Leg elastic body D1 Thickness of central part of absorption panel D2 Side of absorption panel Thickness dimension L1 first dimension L2 second dimension L3 third dimension L4 fourth dimension X horizontal direction Y longitudinal direction Z thickness direction

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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)
PCT/JP2015/076030 2015-09-03 2015-09-14 パンツ型着用物品 WO2017037958A1 (ja)

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110799160A (zh) * 2017-06-30 2020-02-14 宝洁公司 比基尼/低腰短型一次性吸收制品及系列的长度对侧部轮廓
US11351068B2 (en) 2017-06-30 2022-06-07 The Procter & Gamble Company Length-to-hip and length-to-waist silhouettes of disposable absorbent articles and arrays
US11357671B2 (en) 2014-05-08 2022-06-14 The Procter & Gamble Company Hip-to-side silhouettes of adult disposable absorbent articles and arrays
US11432973B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Hip-to-side silhouettes for boxer brief type disposable absorbent articles and arrays
US11432971B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Hip-to-side and waist-to-side silhouettes for bikini/low rise brief type disposable absorbent articles and arrays
US11432974B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Length-to-side silhouettes for boxer brief/boyshort type disposable absorbent articles and arrays
US11504281B2 (en) 2014-05-08 2022-11-22 The Procter & Gamble Company Waist-to-side silhouettes of adult disposable absorbent articles and arrays
US11510826B2 (en) 2014-10-03 2022-11-29 The Procter & Gamble Company Adult disposable absorbent articles and arrays comprising improved product lengths
US11510827B2 (en) 2014-05-08 2022-11-29 The Procter & Gamble Company Length-to-side silhouettes of adult disposable absorbent articles and arrays
US11723813B2 (en) 2014-10-09 2023-08-15 The Procter & Gamble Company Length-to-waist and hip-to-side silhouettes of adult disposable absorbent articles and arrays
US12053359B2 (en) 2015-11-06 2024-08-06 The Procter & Gamble Company Disposable absorbent article silhouettes and silhouette arrays

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* Cited by examiner, † Cited by third party
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JP5866054B1 (ja) * 2015-09-03 2016-02-17 ユニ・チャーム株式会社 パンツ型着用物品
JP7458781B2 (ja) * 2019-12-26 2024-04-01 ユニ・チャーム株式会社 パンツ型使い捨ておむつ

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US20090182299A1 (en) * 2007-11-02 2009-07-16 Kimberly-Clark Worldwide, Inc. Absorbent Garment
JP2013118962A (ja) * 2011-12-07 2013-06-17 Unicharm Corp 使い捨て着用物品
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11504281B2 (en) 2014-05-08 2022-11-22 The Procter & Gamble Company Waist-to-side silhouettes of adult disposable absorbent articles and arrays
US11883269B2 (en) 2014-05-08 2024-01-30 The Procter & Gamble Company Hip-to-side silhouettes of adult disposable absorbent articles and arrays
US11510827B2 (en) 2014-05-08 2022-11-29 The Procter & Gamble Company Length-to-side silhouettes of adult disposable absorbent articles and arrays
US11357671B2 (en) 2014-05-08 2022-06-14 The Procter & Gamble Company Hip-to-side silhouettes of adult disposable absorbent articles and arrays
US11510826B2 (en) 2014-10-03 2022-11-29 The Procter & Gamble Company Adult disposable absorbent articles and arrays comprising improved product lengths
US11723813B2 (en) 2014-10-09 2023-08-15 The Procter & Gamble Company Length-to-waist and hip-to-side silhouettes of adult disposable absorbent articles and arrays
US12053359B2 (en) 2015-11-06 2024-08-06 The Procter & Gamble Company Disposable absorbent article silhouettes and silhouette arrays
US11432971B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Hip-to-side and waist-to-side silhouettes for bikini/low rise brief type disposable absorbent articles and arrays
US11432974B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Length-to-side silhouettes for boxer brief/boyshort type disposable absorbent articles and arrays
US11432972B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Length-to-side silhouettes for bikini/low rise brief type disposable absorbent articles and arrays
US11432973B2 (en) 2017-06-30 2022-09-06 The Procter & Gamble Company Hip-to-side silhouettes for boxer brief type disposable absorbent articles and arrays
CN110799160A (zh) * 2017-06-30 2020-02-14 宝洁公司 比基尼/低腰短型一次性吸收制品及系列的长度对侧部轮廓
US11351068B2 (en) 2017-06-30 2022-06-07 The Procter & Gamble Company Length-to-hip and length-to-waist silhouettes of disposable absorbent articles and arrays
US11857401B2 (en) 2017-06-30 2024-01-02 The Procter & Gamble Company Hip-to-side silhouettes for boxer brief type disposable absorbent articles and arrays
CN110799160B (zh) * 2017-06-30 2022-05-24 宝洁公司 比基尼/低腰短型一次性吸收制品及系列的长度对侧部轮廓

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JP2017047148A (ja) 2017-03-09
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JP5977424B1 (ja) 2016-08-24
JP5866054B1 (ja) 2016-02-17
TWI698230B (zh) 2020-07-11

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