WO2015107764A1 - Article à porter jetable de type culotte - Google Patents

Article à porter jetable de type culotte Download PDF

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Publication number
WO2015107764A1
WO2015107764A1 PCT/JP2014/080331 JP2014080331W WO2015107764A1 WO 2015107764 A1 WO2015107764 A1 WO 2015107764A1 JP 2014080331 W JP2014080331 W JP 2014080331W WO 2015107764 A1 WO2015107764 A1 WO 2015107764A1
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WO
WIPO (PCT)
Prior art keywords
region
tape fastener
tape
waist
area
Prior art date
Application number
PCT/JP2014/080331
Other languages
English (en)
Japanese (ja)
Inventor
瀧野　俊介
克文 青木
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Publication of WO2015107764A1 publication Critical patent/WO2015107764A1/fr

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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
    • A61F13/56—Supporting or fastening means
    • A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
    • A61F13/565—Supporting or fastening means specially adapted for diapers or the like pants type diaper
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
    • A61F13/565—Supporting or fastening means specially adapted for diapers or the like pants type diaper
    • A61F13/5655—Supporting or fastening means specially adapted for diapers or the like pants type diaper adjustable pants type 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
    • A61F13/56—Supporting or fastening means
    • A61F13/58—Adhesive tab fastener elements

Definitions

  • the present disclosure relates to disposable pants-type wearing articles, and more particularly to disposable pants-type diapers having tape fasteners.
  • Patent Document 1 discloses a disposable pants in which a plurality of waist elastics are disposed in the front and rear waist regions, and a pair of tape fasteners disposed between the waist opening and the leg openings in the rear waist region.
  • the tape fastener has a proximal portion that is secured to the rear waist region through the adhesive-applied joining region and a distal portion that is folded and held in the proximal portion.
  • the wearing article disclosed in Patent Document 1 it is possible to adjust the size around the waist to fit the wearer of various sizes and prevent slippage by using the tape fastener during wearing. It can be disposed of hygienically by rolling the wearing article so as to wrap the excrement after wearing and fastening so as to maintain the rolled-up state with a tape fastener.
  • the tape fastener is a sheet material similar to the back sheet, is formed of a liquid impermeable sheet having moisture permeability, and has flexibility.
  • the tape fastener of such a wearing article since the tape fastener itself is formed of a relatively flexible sheet material, the contraction of the waist elastic body in a state where the tape fastener is latched to the outer surface of the front waist area When the proximal part is pulled up with the rear waist region by the force and the distal part is pulled backward, the distal part can not resist the applied force, deforms easily, and it becomes easy to turn back, and its latch is released It becomes easy to do.
  • the thickness (bulk) of the entire diaper is increased by absorbing the body fluid, so it is difficult to fold, and in order to maintain a stable folded state
  • the object of the present invention is an improvement of the prior art, which is a tape fastener which is formed from a relatively flexible sheet material, the proximal part is easily deformed and the distal part is stably latched.
  • the present invention relates to the provision of disposable pants-type wearing articles having the same.
  • the present invention has a longitudinal direction and a transverse direction orthogonal thereto, and is the other of the skin opposing surface and the non-skin opposing surface opposite thereto, the first waist region which is one of the front and rear waist regions, and the other of the front and rear waist regions.
  • the present invention relates to a disposable pants-type wearing article to which a tape fastener is attached in a waist area.
  • the first waist region of the first and second waist regions has elasticity in the lateral direction
  • the tape fastener is formed of a fibrous non-woven sheet The tape in the unfolded state and in the unfolded state, the opposite side edges in the width direction and the proximal portion fixed to the first waist region.
  • a distal portion having a latching area for releasably latching a fastener to the non-skin bearing surface of the second waist area, between the proximal section and the latching area; It is characterized in that a high rigidity region is formed in which the rigidity in the direction in which both side edges of the tape fastener approach each other is higher than that of the proximal portion.
  • the distal portion of the tape fastener between the proximal portion and the hooking area is more rigid than the proximal portion.
  • the high rigidity region is formed, so that the proximal part is flexibly deformed with the rear waist area, while the force to peel it against the holding area is suppressed, and the distal part is curled up, etc. There is no risk that the latch will be released unexpectedly.
  • FIG. 3 is a schematic cross-sectional view along IV-IV in FIG.
  • FIG. 2 is a schematic cross-sectional view taken along the line VV of FIG.
  • the perspective view of the diaper seen from the front side which shows the use condition of a tape fastener.
  • FIG. 5 of the diaper in 2nd Embodiment The figure similar to FIG. 5 of the diaper in 3rd Embodiment.
  • FIG. 5 of the diaper in 4th Embodiment The figure similar to FIG. 5 of the diaper in 5th Embodiment.
  • FIG. 5 of the diaper in 6th Embodiment The figure similar to FIG. 1 of the diaper in 7th Embodiment.
  • a disposable diaper 10 shown as an example of the disposable pants-type wearing article according to the present invention has a longitudinal direction Y and a transverse direction X orthogonal thereto, and a longitudinal axis P and a transverse axis Q orthogonal thereto. Have.
  • the diaper 10 has a skin-facing surface and a non-skin-facing surface facing it, an annular elastic waist panel 11 extending around the waist, an absorbent chassis 12 joined to the elastic waist panel 11, and a front waist region (first Or one of the second waist regions 13, the rear waist region (the other of the first or second waist regions) 14, and the crotch region 15 located between the front and rear waist regions 13 and 14.
  • the diaper 10 is formed symmetrically with respect to the longitudinal axis P, and the elastic waist panel 11 is composed of a front waist panel 16 located in the front waist region 13 and a rear waist panel 17 located in the rear waist region 14 .
  • Tape fasteners 20 are attached to the outer surfaces of the side portions 18 of the rear waist panel 17, respectively.
  • the “side portions 18 of the rear waist region 14” mean portions from the side edges 14c and 14d of the rear waist region 14 to the side edges of the absorbent chassis 12, respectively.
  • the front waist region 13 has an inner end 13a extending in the lateral direction X, an outer end 13b extending in the lateral direction X opposite to the inner end 13a in the longitudinal direction Y, and a longitudinal direction between the inner and outer ends 13a and 13b. It has a horizontally long rectangular shape defined by both side edges 13c and 13d extending in the direction Y.
  • the rear waist region 14 has a middle inner edge 14a extending in the lateral direction X, an outer edge 14b extending in the lateral direction X opposite to the middle inner edge 14a in the longitudinal direction Y, and an inner edge from the outer edge 14b. It has a substantially trapezoidal shape defined by both side edges 14c, 14d extending straight and both inner edges 14e, 14f connecting the both sides 14c, 14d and the middle inner end edge 14a in a curved manner.
  • the side edges 13c and 13d of the front waist region 13 and the side edges 14c and 14d of the rear waist panel 14 are overlapped with each other and connected by the side seams 23 intermittently located in the longitudinal direction Y to form both sides of the diaper 10.
  • An edge 19 is formed to define a waist opening 24 and a pair of leg openings.
  • the side seams 23 are made by known bonding means, for example, various heat welding means such as heat embossing / debossing processing, sonic processing and the like.
  • the tape fastener 20 is fixed to the first end (free end) 20a and the second end (fixed end) 20b opposite to each other in the length direction and to both sides 18 of the rear waist region 14.
  • a distal portion (free portion) 22 and a proximal portion (stationary portion) 21 extending continuously with the distal portion 22 (see FIG. 5).
  • the tape fasteners 20 are attached to both sides 18 of the rear waist area 14, but may be attached to only one side 18 as long as the effects of the present invention described later can be achieved. , May be attached to both side edges of the front waist region 13 or one of them.
  • the front waist panel 16 has a rectangular front waist sheet 25 that defines the front waist region 13.
  • the front waist sheet 25 extends in the lateral direction X, and is separated from each other in the longitudinal direction Y by the inner and outer end edges 25a, 25b, and both side edges 25c, 25d extending in the longitudinal direction Y and positioned between the inner and outer end edges 25a, 25b. It is formed from
  • the front waist sheet 25 further includes a bent portion 26 located longitudinally outward from the front end 12 a of the absorbent chassis 12, and the bent portion 26 extends longitudinally along a bending line 26 a extending in the lateral direction X. It is bent inward in the direction Y and fixed to the front elastic sheet 48 and the absorbent chassis 12 described later.
  • a plurality of strands or strings are formed between the main portion 27 positioned inwardly from the bending portion 26 of the front waist sheet 25 and the bending portion 26, and between the main portion 27 and the front elastic sheet 48.
  • the front waist elastic body 28 is contractably fixed in the lateral direction X in an extended state.
  • the rear waist panel 17 has a trapezoidal rear waist sheet 30 defining a rear waist area 14.
  • the rear waist sheet 30 extends in the transverse direction X, and is separated from each other in the longitudinal direction Y by the middle inner edge 30a and the outer edge 30b, both outer edges 30c and 30d extending in the longitudinal direction Y, and both outer edges 30c, It is formed of concave inner end edges 30e and 30f which connect 30d and the inner end edge 30a.
  • the rear waist sheet 30 is located outside the main body portion 31 and the rear end portion 12b of the absorbent chassis 12 in the longitudinal direction Y, and extends in the transverse direction X between the side edges 30c and 30d;
  • An inner bending line (not shown) extending in the lateral direction X between the end edges 30 e and 30 f and an inner bending side of the rear waist sheet 30 via the outer bending line 32, the rear end of the absorbent chassis 12
  • the outer bent portion 33 fixed to the inner surface of the portion 12 b and the inner surface of the main portion 31 and the inner surface side of the rear waist sheet 30 along the inner bending line are fixed to the inner surface of the main portion 31 And an inner bent portion 34.
  • a plurality of strand-like or string-like rear waist elastic bodies 35 are provided horizontally. It is disposed to be contractible in an extended state in the direction X. Further, in the inward bent portion 34, a buttocks elastic body 36 extending in the lateral direction X is disposed so as to be contractible in an extended state.
  • the front and rear waist sheets 25 and 30 have a weight of about 10 to 40 g / m 2 and a fiber density of about 0.03 to 0.1 g / cm 3.
  • Melt-blown, spun-bond) fiber non-woven fabric, air-through fiber non-woven fabric, plastic sheet, or laminate sheet thereof can be used.
  • the front and rear waist elastics 28, 35 and the hip elastics 36 are, for example, in the form of strings having a thickness of about 300 to 800 dtex and an expansion ratio of 1.5 to 3.5 times in order to obtain a required contraction force or elongation stress.
  • a strand-like elastic material can be used, the thickness and the stretching ratio can be changed as appropriate.
  • the absorbent chassis 12 is rectangular and has a front end 12a, a rear end 12b, and an intermediate portion 12c located between the front and rear ends 12a and 12b.
  • the absorbent chassis 12 is located on the skin-facing surface side, and a body-side liner 40 made of a liquid-permeable fibrous nonwoven fabric, a liquid-absorbent absorbent body 41 having curved side edges, and a bottom surface of the absorbent body 41 And a liquid-impervious or liquid-impervious covering sheet 43 that forms the entire non-skin facing surface of the absorbent chassis 12.
  • the absorbent body 41 includes a core formed of a mixture of fluff pulp and superabsorbent polymer particles and the like, and a liquid-absorbent and diffusive core wrap sheet such as tissue paper which wraps the entire core.
  • the cover sheet 43 has both side portions 44 located outside in the lateral direction X from both side edges of the leakproof sheet 42.
  • the side portions 44 are bent inward along bending lines adjacent to the side edges of the leakproof sheet 42 and fixed to the inner surface of the body side liner 40.
  • both side portions 44 are both end fixing portions separated from each other in the longitudinal direction Y fixed to the body side liner 40, both side fixing portions fixed to both side edges of the body side liner 40, and both end fixing portions And a free part not fixed to the body side liner 40 extending in the longitudinal direction Y between the two.
  • the edge (free edge) 43a of the free portion has a sleeve shape formed by bending the outer edge of the covering sheet 43, and the edge 43a has a plurality of string-like or strand-like elastic bodies extending in the longitudinal direction Y 45 are arranged retractably in the extended state.
  • the edge 43a separates from the body side liner 40 to the body side of the wearer and fits on the wearer's thigh to prevent leakage of excrement.
  • a plurality of string-like or strand-like leg elastic bodies 46 are disposed between the side portions 44 of the cover sheet 43 and the leak-barrier sheet 42.
  • Front and rear elastic sheets 48 and 49 attached so as to be contractible in an extended state in the lateral direction X are positioned on the skin facing surface side of the front and rear end portions 12a and 12b of the absorbent chassis 12, respectively.
  • the front elastic sheet 48 has a horizontally long rectangular shape, and is fixed to the front waist sheet 25 and the absorbent chassis 12 located at the outside of the absorbent chassis 12 in the lateral direction X more than the side edges of the absorbent chassis 12.
  • the rear elastic sheet 49 has a substantially trapezoidal shape, and has a central inner edge and an outer edge opposed to each other in the longitudinal direction Y, both longitudinally extending outer edges, and both outer edges and the inner edge. It is formed of curved inner edges.
  • the rear elastic sheet 49 is disposed such that both outer edges and inner edges thereof overlap with portions of the outer edges 30c, 30d and the inner edges 30e, 30f of the rear waist sheet 30.
  • a plurality of string-like or strand-like elastic bodies 50 extending in the lateral direction X are disposed between the rear elastic sheet 49 and the rear end 12 b of the absorbent chassis 12 so as to be contractible in an extended state.
  • front and rear elastic sheets 48 and 49 for example, an elastic fiber non-woven fabric made of an elastomer fiber having a mass of about 30 to 40 g / m 2 and a fiber density of 0.01 to 0.04 g / cm 3 may be used it can.
  • the front and rear elastic sheets 48 and 49 are fixed to the front and rear waist sheets 25 and 30 and the absorbent chassis 12 in a state in which the front and rear elastic sheets 48 and 49 are stretched about 2.4 times in the transverse direction X than their unstretched dimensions.
  • the rear waist region 14 is at least in the lateral direction X by the first elastic region 51 to which elasticity in at least the lateral direction X is imparted by the rear waist elastic body 35, and the rear elastic sheet 49 and the elastic body 50. And a second elastic region 52 imparted with elasticity.
  • the proximal portion 21 (see FIG. 5) of the tape fastener 20 is located in the first elastic area 51 at both sides 18 of the rear waist area 14 and, as described later, when the first elastic area 51 contracts Uneven by force.
  • the first elastic area 51 is an area where the rear waist elastic body 35 is disposed so as to overlap the proximal portion 21 of the tape fastener 20 in plan view
  • the second elastic area 52 is a first elastic area It means an elastic region located closer to the crotch region 15 than 51.
  • all or at least one rear waist elastic body 35 continuously extends in the lateral direction X between the side edges 14c and 14d of the rear waist region 14, and a portion thereof is absorbable. It overlaps with the chassis 12 in plan view.
  • the elastic body 50 in the second elastic region 52 extends continuously in the lateral direction similarly to the rear waist elastic body 35, but cuts or substantially cuts in a portion overlapping the absorbent chassis 12 in plan view.
  • the contractile force is not expressed (for example, in a state of being stretched 1.0 to 1.3 times).
  • the elastic waist body 35 of the first elastic zone 51 fits the absorbent chassis 12 to the wearer's body by its contraction force, while the elastic body 50 of the second elastic zone 52 and the absorbent chassis 12 Discontinuity in the overlapping portion does not directly act on the absorbent chassis 12 due to its contraction force, and the absorbent chassis 12 can be fitted along the shape of the wearer's body (inflated lower belly) It is possible to prevent leakage of body fluid from the gap created between the body and the absorbent chassis 12.
  • the first elastic region 51 and the second elastic region 52 have the same or different contraction force or extension stress, and fit the diaper 10 without pressing the lower abdomen of the wearer, and when worn It is preferable that the contraction force or the extension stress of the second elastic region 52 be higher than that of the first elastic region 51 in order to prevent the slippage and the like.
  • a pair of tape fasteners 20 fixed to the outer surface of the rear waist region 14 includes a base sheet 58 which is a single tape folded in a Z-shaped cross section.
  • the tape fastener 20 has a proximal portion 21 non-peelably secured to the outer surface of the rear waist region 14 via the joint region 60 and a distal portion 22.
  • the distal portion 22 has a first distal portion 61 opposed in the thickness direction of the proximal portion 21 and the tape fastener 20 and a second distal portion 62 connected to the first distal portion 61 and opposed in the thickness direction thereof. And.
  • the proximal part 21 and the first and second distal parts 61 and 62 are temporarily fixed parts (first and second temporary fixed parts) located at the first and second bent parts 55 and 56 in the laminated state. Temporarily fixed by 65, 66.
  • the distal portion 22 further includes a grip portion 63 extending from the temporary fixing portion 65 located at the first bending portion 55 to the side seam 23 side.
  • a hooking area 68 formed of a hook element of a mechanical fastener or a pressure sensitive adhesive is disposed on the inner surface of the second distal portion 62 between the temporary fixing portions 65 and 66.
  • a hooking area 68 formed of a hook element of a mechanical fastener or a pressure sensitive adhesive is disposed.
  • a hook sheet having a plurality of hook elements is disposed.
  • the base sheet 58 is laminated with an auxiliary sheet piece 69 formed of a separate sheet material.
  • a region where the base sheet 58 and the auxiliary sheet piece 69 are stacked is formed with a high rigidity region 70 which is higher in rigidity than the proximal portion 21 and the first distal portion 61.
  • the base sheet 58 may be a fiber non-woven fabric, for example, a spunbond fiber non-woven fabric having a weight of about 20 to 100 g / m 2 , preferably about 40 to 80 g / m 2 , and an auxiliary sheet piece 69 having a weight of about 10, for example.
  • a spunbond non-woven fabric of ⁇ 60 g / m 2 , preferably about 20-40 g / m 2 can be suitably used.
  • the base sheet 58 and the auxiliary sheet piece 69 may be formed of the same fiber non-woven fabric, it is preferable that the mass of the base sheet 58 be larger than the mass of the auxiliary sheet and the rigidity be high.
  • the mass of the base sheet 58 is smaller than the mass of the auxiliary sheet piece 69, when the gripping portion 63 is pulled, the strength difference of the sheet causes the proximal portion 21 and the auxiliary sheet piece 69 to be separated. This is because the base sheet 58 may break. Further, by making the rigidity of the auxiliary sheet piece 69 lower than that of the base sheet 58, the outer surface of the laminated region of the auxiliary sheet piece 69 becomes relatively soft in the laminated state of the tape fastener 20, and the touch becomes good.
  • the tape fastener 20 is formed of a fiber non-woven fabric, it is excellent in flexibility as compared to the case of being formed of a plastic film, and the portion of the tape fastener 20 having the highest rigidity. Is a portion (high rigidity portion) where the hook sheet of the hooking area 68 is located, the flexibility in the width direction of the tape fastener 20 is further improved by using a relatively soft material as the hook sheet Can.
  • the longitudinal direction Y (the width direction of the tape fastener 20) of the portion excluding the high rigidity portion (except for the high rigidity region 70), both side edges are mutually different.
  • KES bending rigidity value in the approaching direction is 0.04 to 0.44 gf ⁇ cm 2 / cm
  • longitudinal direction Y of the high rigidity portion (width direction of the tape fastener 20, in which both side edge portions 70 approach each other)
  • the KES flexural rigidity value in is about 0.56 to 1.8 gf ⁇ cm 2 / cm.
  • the KES flexural rigidity value in the folded state of tape fasteners formed from plastic film, which are conventionally used for disposal or size adjustment is about 2.0 gf ⁇ cm 2 / cm
  • the tape fastener of the embodiment has a lower bending rigidity value in the width direction than conventional tape fasteners and is excellent in flexibility.
  • the temporary fixing portions 65 and 66 be located with a predetermined dimension apart from each other, and that the entire facing surface of the stacked portion is not temporary fixing.
  • the bending rigidity value in the width direction (longitudinal direction Y of the diaper 10) of the tape fastener 20 is relatively low, so that the body of the wearer of the tape fastener 20 indirectly bends or bends forward. Even when it comes into contact with the skin, it does not cut into the skin and cause marks or pain.
  • a preferably hydrophobic hot melt adhesive having a weight of about 5 to 20 g / m 2 can be used for the bonding area 60.
  • the first and second temporary fixing portions 65 and 66 can be provided by performing known pressure treatment and pressure heating treatment, and can be provided by, for example, embossing / debossing treatment or sonic treatment.
  • the tape fastener 20 itself has thermoplastic synthetic fibers, it can be subjected to pressure heating treatment, and the fibers can be temporarily fixed more stably by heat fusion.
  • the rear waist region 14 is contracted in the lateral direction X by the contraction action of the rear waist elastic body 35, and a plurality of creases 71 continuous in the lateral direction X are formed.
  • at least one rear waist elastic body 35 is located in the rear waist region 14 in the region where the proximal portion 21 of the tape fastener 20 is located, and the contraction of the elastic body 35 causes the tape fastener 20 to A continuous undulation occurs around the waist with the waist region 14.
  • the first and second distal portions 61 and 62 stacked on the proximal portion 21 between the first temporary fixing portion 65 and the second temporary fixing portion 66 have the length dimensions of the proximal portion 21 deformed.
  • the holding portion 63 Under the influence of the reduction of the length of the rear waist region 14 and the holding portion 63 is also separated from the outer surface. A person can easily pick the holding portion 63. In addition, the distal portion 22 is separated from the outer surface of the rear waist region 14 in this manner, so that the placement area has a rigidity high enough to make the wearer feel uncomfortable even when the tape fastener 20 is laminated. There is nothing to do.
  • the tape fastener 20 having such a configuration as indicated by a virtual line, the wearer of the diaper 10 or the wearing assistant picks the holding portion 63 and pulls it up in the direction of the arrow F, The detent is released and the tape fastener 20 is deployed.
  • the deployed tape fasteners 20 are hooked to the outer surface of the front waistband 13 via the hooking zone 68 of the second distal portion 62. Because the base sheet 58 of the tape fastener 20 is made of a non-woven fiber, it is more flexible than if it is formed from a relatively rigid plastic sheet, along the outer surface of the curved front waist region 13 Extend. Further, as described above, the proximal portion 21 is easily deformed in response to the contraction of the rear waist region 14, and a force acts on the entire distal portion 22 to pull it toward the rear waist region 14 side.
  • the hooking area 68 may be provided by applying an adhesive in addition to the hook element.
  • the latching area 68 is formed from the hook element of the mechanical fastener, it has a loop element on the outer surface of the front waist area 13 in addition to directly hooking to the front waist sheet 25 formed from a non-woven fabric. A landing or target sheet may be attached and hooked to the sheet.
  • the base sheet 58 is formed of a non-woven fabric as in the present embodiment
  • the second distal portion 62 is warped by a force to pull the distal portion 22 rearward by the proximal portion 21.
  • the latching area 68 may peel off the outer surface of the front waist area 13.
  • the proximal portion 21 can not deform along the undulations of the rear waist region 14, and the proximal portion 21 approaches from the outer surface of the rear waist region 14.
  • a part of the shoulder 21 may be peeled off.
  • the rear waist region 14 near the proximal portion 21 The rigidity of the side portions 18 is higher than that of the other regions, which may cause a sense of discomfort to the skin.
  • the tape fastener 20 even if the whole is pulled backward by the contraction of the rear waist area 14 in the latched state, a high rigidity area between the proximal portion 21 and the latching area 68 By forming 70, the latching area 68 is stably latched to the outer surface of the front waist area 13, and there is no possibility that it will be released. That is, as the front and rear waist regions 13 and 14 expand and contract in the waist circumference direction, the tape fastener 20 is pulled in the waist circumference direction, and the tape fastener 20 is deformed and the side edges 20c and 20d are warped. Become.
  • the repelling force acts on the retaining area 68 to make it easy to peel off by bending back the side edges 20c, 20d, and the high rigidity region 70 is disposed between the proximal part 21 and the retaining area 68
  • the force for deforming the tape fastener 20 can be dispersed, and the deformation can be suppressed.
  • the side edge of the diaper 10 at which the side seam 23 is located is laid down to the front waist area 13 side.
  • the fallen side edge applies an outward force to the opposing first distal portion 61 in an attempt to return to the original state, and tries to deform the distal portion 22 into a convexly curved shape.
  • Such deformation of the distal portion 22 near the side edge exerts a peeling force on the latching area 68, but the high rigidity area 70 is between the side edge of the diaper 10 and the latching area 68.
  • the deformation of the distal portion 22 can be suppressed and the application of the peeling force to the latching area 68 can be suppressed.
  • the auxiliary sheet piece 69 may be disposed continuously to the high rigidity region 70.
  • the high rigidity region 70 may be located between the proximal portion 21 and the temporary fixing portion 66, or may be positioned so that a part thereof overlaps with the locking region 68.
  • FIG. 8 an example of discarding the diaper 10 is shown.
  • the side seams 23 are peeled off to separate the side edges of the front and rear waist regions 13 and 14, and the both side edges are removed.
  • the part is bent inward, and the crotch area 15 is bent so as to be rounded toward the front and rear waist areas 13 and 14.
  • the distal portion 22 of the tape fastener 20 is hooked to the outer surface of the crotch area 15 via the hook area 68.
  • the diaper 10 can be kept in a rolled state, and the excrement can be hygienically discarded without leaking to the outside.
  • the rolled-up diaper can not be maintained for a relatively long time, and the tape fastener is temporarily stored in a storage box for disposal.
  • the diaper 10 in the present embodiment there is no risk of causing such a disadvantage.
  • the hooking area 68 can be formed by the hook element or adhesive of the mechanical fastener, etc., but in the case of being formed by the hook element, in the case of being formed by the pressure sensitive adhesive It is possible to maintain the latching state for a relatively long time as compared with.
  • the hooking area 68 is formed by the hook element, the hooking strength does not decrease even when wet with body fluid, and the hooking is released when the diaper 10 is rounded and discarded. In the case where the diaper 10 is tightened in order to maintain the rolled state of the diaper 10 or the like, the retaining operation can be repeated.
  • FIG. 9 and 10 show a modification of the tape fastener 20.
  • one tape fastener 20 is disposed at the central portion in the lateral direction X of the rear waist area 14.
  • the grip portion 63 of the tape fastener 20 is rolled in a state where the diaper 10 is rolled. It is possible to maintain the rolled state and prevent the leakage of excrement by pulling on the waist opening side and hooking on the front waist region 13 while picking and expanding.
  • the auxiliary sheet piece 69 is disposed in the entire area of the second distal portion 62.
  • the base sheet 58 is composed of a first tape 81 forming the proximal portion 21 and a second tape 82 forming the distal portion 22.
  • the first tape 81 and the second tape 82 are bonded to each other at the bonding portion 84.
  • the temporary tacking portions 65 and 66 are located at the joint portion 84 and the bent portion of the second tape 82, and the stacked state of the tapes is maintained.
  • the rigidity of at least the distal portion 22 is preferably higher than the rigidity of the proximal portion 21, in other words, the rigidity of the second tape 82 Is preferably higher than that of the first tape 81. Even with such a correlation of rigidity, a high rigidity region 70 which is higher in rigidity than the proximal portion 21 is formed between the proximal portion 21 and the hooking region 68 of the distal portion 22.
  • the base sheet 58 is folded in two, and the second end 20 b is located outside the lateral end X of the outer end of the joint area 60. There is. As in the present embodiment, the base sheet 58 may not be bent in a plurality.
  • the base sheet 58 extends in the lateral direction X without being bent, and in the state before use, the tape fastener 20 extends from the bonding area 60 to the outside in the lateral direction X.
  • a fixedly spaced retaining area 68 is located, with the distal portion 22 being retained to the side of the rear waist area 14 via the retaining area 68.
  • the auxiliary sheet piece 69 is positioned so as to overlap each other in plan view with at least a portion of the hooking area 68 of the distal portion 22 of the base sheet 58, and the high rigidity region 70 is formed in the laminated portion. Ru.
  • the tape fastener 20 extends straight in the lateral direction X in a state in which the base sheet 58 is not bent.
  • Base sheet 58 has elastic portion 90 between bonding area 60 and high rigidity area 70. Since base sheet 58 has elastic portion 90, portions of distal portion 22 excluding proximal portion 21 and elastic portion 90 are formed of non-elastic sheets, and elastic portion 90 is formed of an elastic sheet joined to them. The entire base sheet 58 may be formed of an elastic sheet.
  • the base portion is laminated by the auxiliary sheet pieces 69 in the high rigidity region 70.
  • the elasticity of the sheet 58 is reduced and suppressed, resulting in a low elastic region or an inelastic region.
  • the fastening force of the tape fastener 20 is improved, and the high rigidity region 70 tries to peel it against the retaining area 68. Can be stably held.
  • the outer surface of the elastic waist panel 11 is formed of a non-woven fabric of quilt pattern 91.
  • an auxiliary sheet piece 69 formed of a fibrous non-woven fabric having a quilt pattern 91 similar to the outer surface of the elastic waist panel 11 is disposed.
  • the fiber non-woven fabric of the outer surface of the tape fastener 20 in the non-deployed state the same non-woven fabric used for the outer surface of the diaper 10 body is used, or non-woven fabric of embossed pattern identical or similar to each other is used.
  • the tape fasteners 20 attached to the outer surface of the diaper 10 can be visually integrated with the diaper body by using the same color, the same pattern or patterns similar to each other, and a separate pattern on the diaper body. By attaching the tape fastener 20, the foreign object feeling can be reduced.
  • the various constituent materials that are commonly used in this type of field are limited to the respective constituent materials that constitute the diaper 10, unless otherwise specified. It can be used without.
  • the front waist area 13, the rear waist area 14, and the crotch area 15 may be formed in series.
  • the terms "first”, “second” and “third” are used merely to distinguish similar elements, positions and the like.
  • a skin facing surface and a non-skin facing surface opposite to the skin having a longitudinal direction and a transverse direction orthogonal thereto, a first waist region which is one of the front and rear waist regions, and a second waist region which is the other of the front and rear waist regions And a crotch region located between the first and second waist regions, and the longitudinally extending side edges of the first and second waist regions overlap and are joined to each other to form the first waist region.
  • the first waist region of the first and second waist regions has elasticity in the lateral direction
  • the tape fastener comprises a fiber non-woven fabric It is formed from a sheet, has a length direction in a non-deployed state, and a width direction orthogonal thereto, and is fixed to the opposite side edges in the width direction and the first waist region
  • the proximal portion and the distal portion having a latching area for releasably latching the tape fastener to the non-skin-contacting surface of the second waist area in the deployed state;
  • a high rigidity region is formed between the support portion and the hooking region, in which the rigidity in the direction in which the side edges of the tape fastener approach each other is higher than that of the proximal portion.
  • the present invention disclosed in the above paragraph 0046 can include at least the following embodiments.
  • the embodiments can be adopted separately or in combination with one another.
  • the tape fastener has a base sheet that defines the proximal portion and the distal portion, and the high rigidity region is formed by laminating an auxiliary sheet piece on the base sheet.
  • the base sheet is formed of a sheet member continuous in the length direction.
  • the rigidity of the auxiliary sheet piece is lower than the rigidity of the base sheet.
  • the tape fastener has a base sheet that defines the proximal portion and the distal portion, and the base sheet forms a first tape that forms the proximal portion and the distal portion.
  • the high-rigidity area is formed by the second tape and the rigidity of the second tape is higher than the rigidity of the first tape.
  • the KES flexural rigidity value in the direction in which the side edges of the tape fastener approach each other in the portion excluding the region where the hooking area is present is 0.04 to 0.44 gf ⁇ cm It is 2 / cm.
  • the hooking area is formed of a hook sheet having a hook element of a mechanical fastener, and in the folded state of the tape fastener, both side edges of the tape fastener in the hooking area existing area
  • the KES flexural rigidity value in the approaching direction is about 0.56 to 1.8 gf ⁇ cm 2 / cm.
  • the tape fastener is temporarily fixed to the proximal portion via a temporary fixing portion in a state where the distal portion is bent, and the temporary fixing portion is spaced apart in the lateral direction, It has a second tacking portion, and the hooking region is located on the inner surface of the distal portion between the first and second tacking portions.
  • the hooking area is a hook element of a mechanical fastener.
  • the tape fastener further includes an elastic portion located between the distal portion and the high rigidity region.

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

Abstract

　L'invention concerne un article à porter jetable de type culotte, lequel possède une fermeture adhésive formée d'un matériau en feuille relativement souple, et dont la partie proximale se déforme facilement et la partie distale est fixée de façon stable.　Dans cet article à porter jetable de type culotte, au moins une première région ceinture (14) de deux régions ceinture avant et arrière (13, 14) est élastique en direction latérale (X), et une fermeture adhésive (20) est formée d'un non-tissé de fibres. Cet article à porter comporte: une partie proximale (21) fixée à proximité d'une partie latérale (18) de la première région (14) de ceinture par l'intermédiaire d'une région (60) d'assemblage; et une région distale (22) possédant une région (68) de maintien destinée à maintenir de façon amovible la fermeture adhésive (20) sur une face externe de la deuxième région (13) de ceinture. Une région (70) de grande rigidité est formée au moins entre la région (60) d'assemblage et la région (68) de maintien dans la partie distale (22), cette région (70) possédant une rigidité supérieure à la partie proximale (21) dans une direction dans laquelle les deux parties bords latéraux de la fermeture adhésive (20) se rapprochent l'une de l'autre.
PCT/JP2014/080331 2014-01-16 2014-11-17 Article à porter jetable de type culotte WO2015107764A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014005975A JP6198610B2 (ja) 2014-01-16 2014-01-16 使い捨てのパンツ型着用物品
JP2014-005975 2014-01-16

Publications (1)

Publication Number Publication Date
WO2015107764A1 true WO2015107764A1 (fr) 2015-07-23

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PCT/JP2014/080331 WO2015107764A1 (fr) 2014-01-16 2014-11-17 Article à porter jetable de type culotte

Country Status (2)

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JP (1) JP6198610B2 (fr)
WO (1) WO2015107764A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001157692A (ja) * 1999-09-21 2001-06-12 Kao Corp 使い捨ておむつ
JP2002065745A (ja) * 2000-08-24 2002-03-05 Uni Charm Corp パンツ型の使い捨ておむつ
JP2013208358A (ja) * 2012-03-30 2013-10-10 Unicharm Corp 使い捨て着用物品

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001157692A (ja) * 1999-09-21 2001-06-12 Kao Corp 使い捨ておむつ
JP2002065745A (ja) * 2000-08-24 2002-03-05 Uni Charm Corp パンツ型の使い捨ておむつ
JP2013208358A (ja) * 2012-03-30 2013-10-10 Unicharm Corp 使い捨て着用物品

Also Published As

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JP6198610B2 (ja) 2017-09-20
JP2015134018A (ja) 2015-07-27

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