WO2005046550A1 - 使い捨て着用物品 - Google Patents
使い捨て着用物品 Download PDFInfo
- Publication number
- WO2005046550A1 WO2005046550A1 PCT/JP2004/016869 JP2004016869W WO2005046550A1 WO 2005046550 A1 WO2005046550 A1 WO 2005046550A1 JP 2004016869 W JP2004016869 W JP 2004016869W WO 2005046550 A1 WO2005046550 A1 WO 2005046550A1
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- WIPO (PCT)
- Prior art keywords
- article
- core
- leak
- lateral
- extending
- Prior art date
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/495—Absorbent articles specially adapted to be worn around the waist, e.g. diapers with faecal cavity
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
- A61F13/494—Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterised by edge leakage prevention means
Definitions
- the present invention relates to a disposable wearing article that absorbs and retains excrement.
- a front and rear end portion extending in the lateral direction, and both side portions extending in the vertical direction.
- the front and rear waist region and the crotch region located between the front and rear waist regions.
- a pair of liquid-permeable top sheets, a liquid-impervious back sheet, and a stretchable elastic member extending in the longitudinal direction are shrinkably attached to each other and have a propensity to stand above the top sheet.
- the first and the second waist-absorbing cores are provided between the front and back sheets and the absorbent core extending between the front waist region and the crotch region.
- a second portion located on the side of the crotch region, and the rigidity of the second portion is lower than that of the first portion and the crotch region.
- There is a disposable wearing article whose directional end is located on a first part of the rear waist area (see Patent Document 1).
- the first portion is formed of a front and back sheet and a belt-shaped elastic member for waist around which is interposed between the sheets.
- the second portion is formed from a top sheet and a back sheet.
- the fixed end of the leakage prevention sheet is fixed to the outer surface of the topsheet extending to the first portion.
- the first portion is drawn toward the crotch region by the contraction force of the elastic member attached to the leak-proof sheet, and the first portion is located above the crotch region in the thickness direction of the article, and the crotch region
- a step is formed between the first portion and the second portion, forming a pocket that opens toward the crotch region. Even if the excrement spreads on the top sheet and flows toward the rear end, the excrement is stored in the pocket, so it is possible to prevent the excrement from leaking from the rear end. it can.
- Patent Document 1 JP 2001-61888 A
- the wearer's body pressure is applied to the rear waistline area while wearing the article.
- the pocket may be easily crushed, and the excrement may leak from the pocket, and may pass over the first portion and leak from the rear end to the outside of the article.
- the excrement since the core is not present in the first portion and the second portion, the excrement cannot be absorbed in the first portion and the second portion forming the pocket, and the excrement is not generated. If left in the pocket and the pocket is crushed, excrement will easily leak out of the pocket.
- An object of the present invention is to provide a disposable wearing article that can be used.
- the premise of the present invention for solving the above-mentioned problem is that a front waist region and a rear waist region are provided between front and rear ends, which have front and rear ends extending in a lateral direction and both sides extending in a vertical direction. And a crotch region located between the waist circumference regions, and a liquid-permeable topsheet and a liquid-impermeable backsheet, and a pair of vertically opaque sheets located on both sides and extending in the vertical direction. It is composed of a liquid first leak-proof sheet and a liquid-absorbent core interposed between the front and back sheets and extending between the front and rear ends.
- a disposable garment formed of a stretchable first elastic member extending in the longitudinal direction and shrinkably attached to the free portion of the first leak-proof sheet.
- the feature of the present invention based on the above premise is that a portion of the rear waistline region where the core extends is divided into a first portion located on the rear end side and a second portion located on the crotch region side.
- the rigidity in the lateral direction of the core located in the second part is lower than that in the lateral direction of the core located in the crotch region and the first part.
- the end is located on the first part of the rear waist area.
- the first portion of the rear waist region is drawn toward the crotch region by the contraction force of the first elastic member attached to the first leak-proof sheet, and the first portion is thicker than the crotch region.
- the present invention has the following embodiments.
- a through-hole penetrating the core in the thickness direction thereof is formed at a central portion in the lateral direction of the second portion.
- a through-hole penetrating the core is formed in the central portion in the lateral direction of the second portion, and the core does not exist in the central portion in the lateral direction. Is lower than that of the core located in the crotch region and the first region in the lateral direction.
- a pair of notches are formed on both lateral sides of the second portion.
- notches formed by cutting out the core are formed on both lateral sides of the second portion, and the core is not present on both lateral portions, so that the lateral bending rigidity of the core at the second portion is lower than the crotch region.
- the first portion, the core is lower than that in the lateral direction.
- the basis weight, density, and thickness of the core are the same in the crotch region and the first and second portions.
- the article has a liquid-permeable second leak-proof sheet extending in the lateral direction and located in the rear waist area, wherein the second leak-proof sheet is provided on the rear.
- a fixed end located at the first portion of the waist region and extending laterally, and a free portion extending laterally in parallel with the fixed end and reaching the second portion of the first waist region of the waist region.
- the elastic second elastic member which is formed on the both sides of the article, and is fixed to the fixed both sides that lie down in the vertical direction and extends in the horizontal direction, is shrinkably attached to the free part of the second leak-proof sheet. Has been.
- the second leak-proof sheet is disposed between the first leak-proof sheets, and the lateral portions of the free portion of the second leak-proof sheet are the first leak-proof sheets. It is fixed to the free part of the seat.
- the core located in the crotch region and the first portion has a lateral bending rigidity value in accordance with the Gurley method in the range of 9.41-28.2 mN
- the transverse bending stiffness value of the core located at the second part in accordance with the Gurley method is in the range of 5.5 to 16.5 mN.
- the elongation stress at the time of 90% elongation of the free portion of the first leakproof sheet including the first elastic member is in the range of 0.02 to 0.32N.
- the second portion of the rear waist region is partially bent by the contraction force of the first elastic member attached to the first leak-proof sheet, and the rear waist region is provided.
- the first part is drawn toward the crotch area, and the first part is located above the crotch area in the thickness direction of the article, so that a step is generated between the crotch area and the first part, and the second part is At least one of a barrier extending in the thickness direction and a pocket facing the crotch region.
- the excrement Since the excrement is blocked by the position, it is possible to prevent the excrement from leaking from the rear end, which does not allow the excrement to cross the first portion.
- the second part forms a pocket, even if the excrement excreted during wearing of the article spreads on the topsheet and flows toward the rear end, the excrement is stored in the pocket. Since the waste is contained, it is possible to prevent the waste from leaking from the rear end portion where the waste does not cross the first portion.
- the cores located at the first and second sites absorb the excrement, and the excrement does not leak out of the pocket without leaving the excrement on the barrier or the pocket.
- the lateral side portions and the lateral center portion of the second portion are proportional to the thickness dimension of the core. Even when the wearer's body pressure is applied to the rear waist area while wearing the article and the second part is compressed in the thickness direction of the article, the lateral center part of the second part overlaps.
- the thickness of the core is formed on both lateral lateral portions and the lateral center portion of the second portion.
- a step is formed in proportion to the size, and even if the wearer's body pressure is applied to the rear waist area while wearing the article and the second part is compressed in the thickness direction of the article, the two lateral parts of the second part Before the overlap, the lateral central portions of the second portion where the core is present overlap, and the thickness of the core located at the lateral central portion prevents the lateral portions from overlapping.
- the core In an article in which the core has the same basis weight, density, and thickness dimension in the first and second portions and the crotch region and has a notch formed in the core, the core is attached to the first leakproof sheet. Even if the first elastic member contracts, the core located at the first portion and the crotch region does not bend irregularly. It can be reliably drawn to the area. In addition, this article can prevent the core from being locally bulky and prevent the deterioration of the wearing feeling of the article due to the local increase in the rigidity of the core.
- the transverse bending stiffness value of the core located at the crotch region and the first portion in the lateral direction in accordance with the Gurley method is in the range of 9.4 to 28.2 mN.
- the core bends only at the second part due to the contraction force of the first elastic member, and the core is bent between the first part and the crotch area. Irregular bending between the first and second portions can reliably draw the first portion to the side of the crotch region, and the second portion can reliably form a barrier or a pocket.
- the contraction force of the first elastic member is the first By sufficiently acting on the portion, the first portion can be reliably drawn toward the crotch region by the contraction force of the elastic member, and the second portion can surely form a barrier or a pocket.
- FIG. 1 is a partially broken perspective view of a disposable wearing article shown as an example.
- FIG. 2 is a plan view of the article of FIG. 1 showing the lateral force of the topsheet.
- FIG. 3 is a sectional view taken along line 3-3 in FIG. 1.
- FIG. 4 is a sectional view taken along line 44 in FIG. 1.
- FIG. 5 is an end view taken along line 5-5 in FIG. 1.
- FIG. 6 is a partially broken perspective view of a disposable wearing article shown as another example.
- FIG. 7 is a plan view of the article of FIG. 6, showing the lateral force of the topsheet.
- FIG. 8 is a sectional view taken along line 8-8 in FIG. 6.
- FIG. 9 is a cross-sectional view taken along a line 9-9 in FIG. 6.
- FIG. 10 is a partially broken perspective view of a disposable wearing article 10C shown as another example.
- FIG. 11 is a plan view of the article of FIG. 10, which also shows the side force of the topsheet.
- FIG. 12 is a sectional view taken along line 12-12 of FIG.
- FIG. 13 is a sectional view taken along line 13-13 in FIG.
- Liquid-permeable topsheet Liquid-impermeable backsheet Liquid-impermeable first leakproof sheet Liquid-absorbent core
- FIGS. 1 and 2 are a partially cutaway perspective view of a disposable wearing article 10A shown as an example, and a plan view of the article 10A of FIG.
- an arrow L indicates the horizontal direction
- an arrow M indicates the vertical direction
- an arrow N indicates the thickness direction.
- FIG. 2 shows the article 10A in a state where the article 10A is piled up by the contraction force of the elastic members 36, 40, and 43 and deployed in the vertical and horizontal directions.
- 3 and 4 are a sectional view taken along line 3-3 in FIG. 1 and a sectional view taken along line 44 in FIG. 1.
- FIG. 5 is an end view taken along line 5-5 in FIG.
- the inner surfaces of the front and back sheets 17, 18 and the leak-proof sheet 19 refer to the surfaces facing the core 20, and the outer surfaces of the sheets 17, 18, 19 refer to the surfaces not facing the core 20.
- the article 10A has front and rear ends 11, 12 extending in the horizontal direction in parallel with each other, and both side parts 13 extending in the vertical direction. Between the front and rear ends 11, 12, a front waist region 14 and a rear waist region 16 arranged in the vertical direction, and a crotch region 15 located between the waist regions 14, 16 are defined. I have.
- the article 10A includes a liquid-permeable top sheet 17 located on the skin contact side, a liquid-impermeable back sheet 18 located on the non-skin contact side, and a pair of longitudinally extending It comprises a liquid-permeable first leak-proof sheet 19 and a liquid-absorbent core 20 interposed between the front and back sheets 17 and 18 and joined to the inner surfaces of the sheets 17 and 18.
- the core 20 extends to the front and rear waist regions 14 and 16 and the inseam region 15. Both side portions 13 of the crotch region 15 are arcuately drawn inward in the lateral direction of the article 10A.
- the article 10A has an hourglass shape in plan view.
- the portion 21 of the rear waistline region 16 where the core 20 extends is divided into a first portion 22 located on the rear end portion 12 side and a second portion 23 located on the crotch region 15 side. .
- a through hole 25 that penetrates the core 20 in the thickness direction is formed in the lateral center portion 24 of the second portion 23.
- the top sheet 17 and the back sheet 18 are overlapped with each other and The inner surfaces of ports 17 and 18 are fixed to each other.
- the topsheet 17 is formed from a hydrophilic fiber nonwoven fabric 26.
- the back sheet 18 is formed of a composite sheet obtained by laminating a water-repellent nonwoven fabric 27 and a gas-permeable liquid-impermeable plastic film 28.
- the leak-proof sheet 19 is formed from a hydrophobic fiber nonwoven fabric 29 subjected to a water-repellent treatment.
- the core 20 has both lateral edges 30 extending in the horizontal direction and both lateral edges 31 extending in the vertical direction.
- Core 20 is a mixture of particulate or fibrous superabsorbent polymer and fluff pulp, or a mixture of particulate or fibrous superabsorbent polymer, fluff pulp and thermoplastic synthetic resin fiber, It is compressed to a predetermined thickness. Therefore, the rigidity of the core 20 is higher than the rigidity of the front and back sheets 17 and 18 and the leak-proof sheet 19.
- the core 20 is preferably entirely covered with a liquid-permeable sheet (not shown) such as a tissue paper or a hydrophilic fiber nonwoven fabric in order to prevent the core 20 from being deformed.
- the cores 20 located in the crotch region 15 and the first and second portions 22 and 23 have the same basis weight, density, and thickness.
- the lateral length dimension (including the through-hole 25) of the core 20 located at the second portion 23 is the same as that of the core 20 located at the crotch region 15 and the first portion 22.
- the thickness of the core 20 is preferably in the range of 110 mm.
- the lateral bending rigidity of the core 20 located in the second portion 23 is located in the crotch region 15 and the first portion 22. Lower than the lateral bending stiffness of the core 20 to be formed.
- the leak prevention sheet 19 is arranged on the skin contact side and on the outer surface side of the top sheet 17.
- the leak-proof sheet 19 includes a fixed side portion 32 located on both side portions 13 and extending in the vertical direction, and a free portion 33 extending in the vertical direction in parallel with the fixed side portion 32 and having an upright propensity above the topsheet 17. And fixed both ends 34 which are located at the front and rear ends 11, 12 and fall down inward in the horizontal direction of the article 10A.
- the fixed side portion 32 and the free portion 33 extend between the front and rear ends 11, 12 of the article 10A.
- the fixed end portion 34 located on the side of the rear waist region 16 is located not only on the rear end portion 12 but also on both lateral side portions 35 of the first portion 22.
- a first elastic member 36 extending in the vertical direction is attached in a contractible manner.
- the elastic member 36 is fixed to the free portion 33 in a state where the elastic member 36 is extended at a predetermined magnification in the vertical direction.
- the longitudinal end 37 of the elastic member 36 extending to the side of the rear waist region 16 extends beyond the second portion 23 and reaches on both lateral portions 35 of the first portion 22.
- the front and rear end portions 11 and 12 are formed by the end portions 38 and 39 of the front and back sheets 17 and 18 extending outward from the edge 30 of the core 20 in the vertical direction and the fixed end portions 34 of the leak-proof sheet 19. ing.
- the ends 38, 39 of the front and back sheets 17, 18 and the end 34 of the leak-proof sheet 19 overlap, and the inner surfaces of the front and back sheets 17, 18 are fixed to each other, and The outer surface of the sheet 17 and the inner surface of the leak-proof sheet 19 are fixed.
- the fixed end 34 of the leak-proof sheet 19 located on the side of the rear waistline region 16 has its inner surface fixed to the outer surface of the topsheet 17 at both lateral sides 35 of the first portion 22.
- a band-shaped waist elastic member 40 which is located outside the edge 30 of the core 10 in the vertical direction and extends in the horizontal direction, is shrinkably attached.
- the waist elastic member 40 is interposed between the end portion 38 of the top sheet 17 and the end portion 39 of the back sheet 18 and is fixed to the inner surfaces of the sheets 17 and 18 while being stretched at a predetermined magnification in the lateral direction. Have been.
- the side portions 13 are formed by the side portions 41 and 42 of the front and back sheets 17 and 18 extending laterally outward from the side edge 31 of the core 20 and the fixed side portions 32 of the leak-proof sheet 19.
- the side 41 of the face sheet 17 slightly extends laterally outward from the side edge 31 of the core 20, and the force of the side 41 further laterally outwards and the side 42 of the back sheet 18 is leakproof.
- the side 32 of the seat 19 extends.
- the sides 41, 42 of the front and back sheets 17, 18 and the side 32 of the leak-proof sheet 19 overlap, and the inner surfaces of the front and back sheets 17, 18 are fixed to each other, and the front and back sheets 17, 1
- the inner and outer surfaces of 8 and the inner surface of leakproof sheet 19 are fixed.
- a plurality of leg-elastic elastic members 43 that extend in the vertical direction and that are located laterally outward of the side edges 31 of the core 20 are shrinkably attached.
- the elastic member 43 for the leg circumference is provided between the side 41 and the back of the topsheet 17. It is interposed between the side sheets 42 of the face sheet 18 and is fixed to the inner surfaces of the sheets 17 and 18 in a state where the sheet is extended at a predetermined magnification in the lateral direction.
- a flexible tape fastener 44 formed of a fibrous nonwoven fabric is attached on both sides 13 of the rear waistline region 16.
- the tape fastener 44 has a fixed end 45 extending laterally and a free end 46.
- the fixed end portion 45 is interposed between the side portion 42 of the back sheet 18 and the fixed side portion 32 of the leak-proof sheet 19, and is fixed to the inner surfaces of the sheets 18 and 10.
- a hook member (not shown) is attached to the inner surface of the free end 46.
- the free end 46 is bent toward the laterally inward direction of the article 10A, and is temporarily detachably fixed to the outer surface of the side portion 32 of the leak-proof sheet 19 via a hook member.
- the free end 46 may be coated with an adhesive that is not a hook member.
- a flexible target tape 47 for detachably fixing the free end portion 46 of the tape fastener 44 is attached to the front waist region 14.
- the target tape 47 has a horizontally-long rectangular shape, and is formed of a plastic film and a loop member (not shown) attached to the film.
- the film forming the target tape 47 is fixed to the outer surface of the back sheet 18.
- a plastic film is used for the target tape 47.
- the both sides 13 of the rear waist region 16 are overlapped with the outer sides of the both sides 13 of the front waist region 14, and the free end 46 of the tape fastener 44 is connected via a hook member.
- the front waist region 14 and the rear waist region 16 are connected to each other by fastening to the target tape 47.
- the article 10A to which the front and rear waist regions 14 and 16 are connected has a waist opening and a pair of leg openings below the waist opening (not shown).
- the second portion 23 of the rear waistline region 16 is partially bent by the contraction force of the elastic member 36 attached to the leak-proof sheet 19, and the first portion 22 is moved toward the crotch region 15.
- the first portion 22 is located above the crotch region 15 in the thickness direction of the article 10A.
- the second portion 23 has a barrier 48 and a crotch region 15 extending in the thickness direction of the article 10A.
- a facing pocket 49 is formed.
- the excrement excreted during the wearing of the article 10A Even if it flows toward the part 12, the flow of the excrement is blocked by the barrier 48, so that the excrement does not leak from the rear end portion 12 to the outside of the article 10A.
- the second portion 23 forms the pocket 49 as well as the barrier 48, and the excrement flowing toward the rear end 12 is stored in the pocket 49, the excrement from the rear end 12 is collected. Leakage can be reliably prevented.
- the through-hole 25 that penetrates the core 20 is formed in the lateral center portion 24 of the second portion 23, so that the thickness of the core 20 is formed in the lateral center portion 24 and the lateral side portions 50. Even if a step proportional to the size is formed and the wearer's body pressure is applied to the rear waist area 16 while the article 10A is worn, the second section 23 is compressed even in the thickness direction of the article 10A. Before the lateral center portions 24 overlap, the lateral side portions 50 where the cores 20 exist overlap, and the thickness of the core 20 located on the lateral side portions 50 prevents the lateral center portions 24 from overlapping.
- the core 20 located in the crotch region 15 and the first portion 22 has a lateral bending stiffness value in the range of 9.4-28.2 mN, and the core 20 located in the second portion 23. Has a bending stiffness value in the range of 5.5-16.5 mN.
- the crotch region 15 and the first portion 22 may be bent irregularly due to the contraction force of the elastic member 36, and the crotch region A gap is formed between the wearer's skin and the wearer's skin 15 and the first part 22, and the excrement cannot be efficiently absorbed by the core 20 located in the crotch region 15 and the first part 22.
- the bending stiffness value of the core 20 in the crotch region 15 and the first portion 22 exceeds 2 mN, the stiffness of the crotch region 15 and the first portion 22 increases more than necessary. The feeling of wearing 10A is reduced.
- the second portion 23 is bent irregularly due to the contraction force of the elastic member 36, and the second portion 23 forms the barrier 48 and the pocket 49. You may not be able to.
- the bending stiffness value of the core 20 located at the second portion 23 exceeds 16.5 mN, the core 20 becomes difficult to bend at the second portion 23 and the first portion 22 is moved toward the crotch region 15 by the contraction force of the elastic member 36. In some cases, the second part 23 cannot form the barrier 48 or the pocket 49.
- the bending stiffness values of the cores 20 located in the crotch region 15 and the first and second regions 22, 23 were measured in accordance with the Gurley method (JIS L 1096-01-8.20.1). The measuring method is as follows.
- the switch of the testing machine was put in, the scale at the moment when the rotating rod of the first sample pendulum was separated was read, and the second stiffness value was measured.
- the average of the measured first and second stiffness values was defined as the lateral bending stiffness value of the core 20 located at the first portion 22.
- switch on the tester read the scale at the moment when the rotating rod of the second sample pendulum is released, and measure the fourth stiffness value.
- the average of the measured third and fourth rigidity values was defined as the lateral bending rigidity value of the core 20 located at the second portion 23.
- the switch of the testing machine was inserted, the scale at the moment when the rotating rod of the second sample pendulum was released was read, and the fifth stiffness value was measured.
- the average of the measured fourth and fourth stiffness values was defined as the lateral bending stiffness value of the core 20 located in the crotch region 15.
- the measured bending stiffness values of the first and third samples were 9.4 to 28.2 mN, and the measured bending stiffness values of the second sample were 5.5 to 16.5 mN.
- a through hole 25 penetrating the core 20 is formed in the central portion in the lateral direction, and the core 20 does not exist in the through hole 25. It is lower than the bending stiffness value of 3 samples.
- the elongation stress at the time of 90% elongation of the free portion 33 of the leak-proof sheet 19 including the elastic member 36 is in the range of 0.02-0. 32N. Since the elastic member 36 is fixed to the free portion 33 of the leak-proof sheet 19, its contraction force is suppressed by the rigidity of the free portion 33. However, since the extension stress of the free portion 33 is within the above range, the contraction force of the elastic member 36 sufficiently acts, and the contraction force of the elastic member 36 causes the first portion 22 of the rear waist region 16 to be closer to the crotch region 15. Can be surely drawn to.
- the elongation stress of the free portion 33 is less than 0.02N, the first portion 22 where the elastic force of the elastic member 36 is weak cannot be pulled toward the crotch region 15, and the second portion 23 prevents the barrier 48 and the pocket 49. Cannot be formed. If the extension stress of the free portion 33 exceeds 0.32 N, the first portion 23 may fall down to the side of the crotch region 15, and the pocket 49 formed by the second portion 23 may close its mouth. is there. In addition, leakproof The elongation stress of the free portion 33 of the sheet 19 was measured by the following method.
- the free portion 33 (including the elastic member 36) of the leak-proof sheet 19 was cut from the article 10A to prepare a sample for elongation stress measurement having a length of 200 to 290 mm and a width of 10 to 25 mm.
- a tensile tester manufactured by Shimadzu Corporation was used to measure the extension stress of the free part.
- Both ends in the vertical direction of the sample contracted by the contraction of the elastic member 37 are clamped by the chuck of the tensile tester (sample clamping by the chuck: approx. 10 mm, dimension between chucks: approx. 100 mm).
- the sample was pulled longitudinally at the speed to elongate the sample to 90% and then released. Again, pull the sample in the vertical direction at the speed of 100 mmZmin through the tester, elongate the sample to 90%, measure the force applied to the tester at that time, and apply the measured value to the The elongation stress of part 33 was used.
- the measured elongation stress of the sample is 0.02-0.32N.
- elongating the sample to 90% means, for example, when the length of the sample in the vertical direction is 250 mm, extending the sample to 225 mm, which is a value obtained by multiplying 250 by 0.9.
- FIGS. 6 and 7 are a partially broken perspective view of a disposable wearing article 10B shown as another example, and a plan view of the article 10B of FIG. 6 shown from the side of the topsheet 17, and FIGS.
- FIG. 8 is a cross-sectional view taken along line 8-8 in FIG. 6 and a cross-sectional view taken along line 9-9 in FIG.
- the horizontal direction is indicated by an arrow L
- the vertical direction is indicated by an arrow M
- the thickness direction is indicated by an arrow N.
- FIG. 7 shows a state in which the article 10B is developed in the vertical and horizontal directions against the contraction force of the elastic members 36, 40, and 43.
- the article 10B has front and rear ends 11, 12 extending in the horizontal direction, and both side parts 13 extending in the vertical direction. Between the front and rear ends 11, 12, a front waist region 14 and a rear waist region 16 and a crotch region 15 located between the front and back waist regions 14, 16 are defined.
- the article 10B includes a liquid-permeable top sheet 17 and a liquid-impermeable back sheet 18, a pair of liquid-impervious first leak-proof sheets 19 located on both sides 13 and extending in the vertical direction, and a front and back sheet 17 , 18 and a liquid-absorbent core 20 joined to the inner surfaces of the sheets 17, 18.
- the portion 21 of the rear waistline region 16 where the core 20 extends is divided into a first portion 22 located on the side of the rear end portion 12 and a second portion 23 located on the side of the crotch region 15. .
- a pair of notches 51 are formed in the lateral side portions 50 of the second portion 23 so as to be recessed inward in the lateral direction by cutting out the core 20.
- the top sheet 17 and the back sheet 18 overlap each other.
- the inner surfaces of the sheets 17, 18 are fixed to each other.
- the topsheet 17 is formed from the same hydrophilic fiber nonwoven fabric 26 as that of the article 10A
- the backsheet 18 is formed from the same composite sheet as that of the article 10A.
- the leakproof sheet 19 is formed from the same hydrophobic fiber nonwoven fabric 29 as that of the article 10A.
- the core 20 is the same mixture as that of the article 10A, and extends to the front and rear waist regions 14, 16 and the crotch region 15.
- the core 20 has both lateral edges 30 extending in the horizontal direction and both lateral edges 31 extending in the vertical direction.
- the cores 20 located in the crotch region 15 and the first and second portions 22, 23 have the same basis weight, density, and thickness.
- the lateral length dimension (including the notch 51) of the core 20 located at the second portion 23 is the same as the lateral length of the core 20 located at the crotch region 15 and the first portion 22.
- the core 20 has the same basis weight, density, and thickness in the crotch region 15 and the first and second portions 22 and 23, the core 20 is provided on both lateral side portions 50 of the second portion 23. Since the notch 51 is formed and the core 20 does not exist in the lateral side portions 50, the lateral bending rigidity of the core 20 located in the second portion 23 is located in the crotch region 15 and the first portion 22. Lower than the lateral bending stiffness of the core 20.
- the leak-proof sheet 19 is located at the fixed side portion 32 extending in the vertical direction, the free portion 33 extending vertically above the top sheet 17 and extending in the vertical direction, and at the front and rear ends 11, 12. And fixed both ends 34 which fall inward in the horizontal direction of the article 10B.
- the fixed end portion 34 located on the side of the rear waistline region 16 is located not only on the rear end portion 12 but also on both lateral side portions 35 of the first portion 22.
- an elastic first elastic member 36 extending in the vertical direction is attached in a contractible manner.
- the longitudinal end 37 of the elastic member 36 extends beyond the second part 23 and on both lateral side parts 35 of the first part 22.
- the free portion 33 contracts in the vertical direction due to the contraction force of the elastic member 36, and the free portion 33 rises above the top sheet 17 to form a barrier against excrement.
- the front and rear ends 11, 12 are formed by the ends 38, 39 of the front and back sheets 17, 18 extending vertically outward from the edge 30 of the core 20, and the fixed both ends 34 of the leak-proof sheet 19. ing.
- the ends of the sheets 17, 18, 19 are overlapped 34, 38, 39 force ⁇ Overlap! / ⁇ , the inner surfaces of the front and back sheets 17, 18 are fixed, and the outer surface of the top sheet 17 And the inner surface of the leak-proof sheet 19 It is.
- the fixed end 34 of the leak-proof sheet 19 located on the side of the rear waistline area 16 has the inner surface fixed to the outer surface of the topsheet 17 at both lateral sides 35 of the first portion 22! .
- a band-shaped waist elastic member 40 extending in the lateral direction is attached in a contractible manner.
- the side portions 13 are formed by the side portions 41, 42 of the front and back sheets 17, 18 extending laterally outward from the side edge 31 of the core 20, and the fixed side portions 32 of the leak-proof sheet 19.
- side 41 slightly extends laterally outward from side edge 31 of core 20, and side 42 and side 31 further extend laterally outward from side 41.
- the side portions 32, 41, 42 of the sheets 17, 18, 19 overlap, the inner surfaces of the front and back sheets 17, 18 are fixed together, and the inner and outer surfaces of the front and back sheets 17, 18 and the leakproof sheet The inner surface of 19 is fixed.
- a plurality of leg-surrounding elastic members 43 extending in the longitudinal direction are attached to both sides 13 in a contractible manner.
- a flexible tape fastener 44 formed of a fiber nonwoven fabric is attached to both sides 13 of the rear waistline region 16.
- the fixed end portion 45 of the tape fastener 44 is interposed between the side portion 42 of the back sheet 16 and the fixed side portion 32 of the leak-proof sheet 19 and is fixed to the inner surfaces of the sheets 18 and 19.
- a hook member (not shown) is attached to the inner surface of the free end 46 of the tape fastener 44.
- a flexible target tape 47 for detachably fixing a free end portion 46 of a tape fastener 44 is attached to the front waist region 14.
- the target tape 47 is formed of a plastic film and a loop member (not shown) attached to the film.
- the second portion 23 is partially bent by the contraction force of the elastic member 35 attached to the leak-proof sheet 19, and the first portion 22 is drawn to the crotch region 15 side.
- the position 22 is located above the crotch region 15 in the thickness direction of the article 10B.
- a step occurs in the thickness direction between the crotch region 15 and the first portion 22, and the second portion 23 forms a barrier 48 extending in the thickness direction of the article 10B and a pocket 49 facing the crotch region 15. I have.
- the second portion 23 forms a pocket 49, Since the excrement flowing toward the rear end 12 is stored in the pocket 49, it is possible to reliably prevent the excrement from leaking from the rear end 12.
- the notch 51 formed by cutting out the core 20 is formed in the lateral portions 50 of the second portion 23, so that the thickness of the core 20 is formed in the lateral center portion 24 and the lateral portions 50.
- a step proportional to the size is formed, and even when the wearer's body pressure is applied to the rear waistline area 16 while wearing the article 10B, the second section 23 is compressed in the thickness direction of the article 10B.
- the lateral central portion 24 where the core 20 exists overlaps, and the thickness of the core 20 located at the lateral central portion 24 prevents the lateral side portions 50 from overlapping.
- the pocket 49 in the lateral side portions 50 is maintained open without crushing the pocket 49 in the lateral side portions 50. Therefore, even if the wearer's body pressure is strong in the rear waist area 16, the excrement does not leak out of the pocket 49 . The excrement does not leak from the rear end 12 to the outside of the article 10B. There is no. In the article 10B, the excrement does not remain in the barrier 48 and the pocket 49 because the core 20 located at the first portion 22 and the central portion 24 in the lateral direction of the second portion 22 absorbs excrement.
- the core 20 located in the crotch region 15 and the first portion 22 has a lateral bending stiffness value in the range of 9.4-28.2 mN, and the core 20 located in the second portion 23.
- the bending stiffness of the core 20 located at the crotch region 15 and the first portion 22 exceeds 28.2 mN, the stiffness of the crotch region 15 and the first portion 22 increases more than necessary, and the wearing feeling of the article 10B is increased. Decreases. If the bending stiffness value of the core 20 located at the second portion 23 is less than 5.5 mN, the second portion 23 is bent irregularly due to the contraction force of the elastic member 36, and the second portion 23 forms a barrier 48 and a pocket 49. May not be possible. If the bending stiffness value of the core 20 located at the second portion 23 exceeds 16.5 mN, the core 20 becomes difficult to bend at the second portion 23 and the first portion 22 is compressed by the elastic member 36. Unable to pull to the inseam 15 side, barrier by the second part 23 48 or pocket 49 may not be formed.
- the bending stiffness values of the cores 20 located in the inseam region 15 and the first and second regions 22, 23 were measured in accordance with the Gurley method (JIS L 1096-01-8.20.1).
- the measuring method of the bending rigidity value is the same as that of the article 10A.
- the second sample prepared from the core 20 located at the second portion 23 has a pair of notches 51 formed by cutting out the core 20, and the core 20 does not exist in the notch 51.
- the bending stiffness value is lower than the bending stiffness values of the first and third samples.
- the elongation stress at the time of the 90% elongation of the free portion 33 of the leak-proof sheet 19 including the elastic member 36 is in the range of 0.02-0.32N. If the extension stress of the free portion 33 is less than 0.02 N, the first portion 23 where the elastic member 36 has a weak contraction force cannot be pulled toward the crotch region 15, and the second portion of the rear waist region 16. 23 does not allow the formation of barriers 48 or pockets 49. If the elongation stress of the free portion 33 exceeds 0.32 N, the first portion 22 may fall down to the crotch region 15 side, and the pocket 49 formed by the second portion 23 may close its mouth. is there. The measuring method of the elongation stress of the free portion 33 is the same as that of the article 10A.
- FIGS. 10 and 11 are a partially broken perspective view of a disposable wearing article 10C shown as another example, and a plan view of the article 10C shown from the side of the surface sheet 17, and FIGS. 10 is a sectional view taken along line 12-12 of FIG. 10, and a sectional view taken along line 13-13 of FIG.
- the horizontal direction is indicated by an arrow L
- the vertical direction is indicated by an arrow M
- the thickness direction is indicated by an arrow N.
- FIG. 11 shows a state in which the article 10C is piled up by the contraction force of the elastic members 36, 40, 43, and 56 and deployed in the vertical and horizontal directions.
- Article 10C has front and rear ends 11, 12 extending in the horizontal direction, and both sides 13 extending in the vertical direction. Between the front and rear ends 11, 12, a front waist region 14 and a rear waist region 16 and a crotch region 15 located between the front and back waist regions 14, 16 are defined.
- the article 10C includes a liquid-permeable top sheet 17 and a liquid-impermeable back sheet 18, a pair of liquid-impermeable first leak-proof sheets 19 located on both sides 13 and extending in the vertical direction, and a rear waist area.
- a liquid-permeable second leak-proof sheet 52 positioned at 16 and extending in the lateral direction; and a liquid-absorbent core 20 interposed between the front and back sheets 17, 18 and joined to the inner surfaces of the sheets 17, 18. It is composed of
- the portion 21 of the rear waistline region 16 where the core 20 extends is a first portion 22 located on the side of the rear end portion 12. And a second portion 23 located on the side of the crotch region 15.
- a through hole 25 that penetrates the core 20 in the thickness direction is formed in the lateral center portion 24 of the second portion 23. In the through-hole 25, the inner surfaces of the sheets 17, 18 are fixed to each other with the top sheet 17 and the back sheet 18 overlapping each other.
- the topsheet 17 is formed from the same hydrophilic fiber nonwoven fabric 26 as that of the article 10A
- the backsheet 18 is formed from the same composite sheet as that of the article 10A.
- the first and second leakproof sheets 19, 52 are formed from the same hydrophobic fiber nonwoven fabric 29 as that of the article 10A.
- the core 20 is the same mixture as that of the article 10A, and extends to the front and rear waist regions 14, 16 and the crotch region 15.
- the core 20 has both lateral edges 30 extending in the horizontal direction and both lateral edges 31 extending in the vertical direction.
- the cores 20 located in the crotch region 15 and the first and second portions 22, 23 have the same basis weight, density, and thickness.
- the lateral length dimension (including the through-hole 25) of the core 20 located at the second portion 23 is the same as that of the core 20 located at the crotch region 15 and the first portion 22.
- the core 20 has the same basis weight, density, and thickness in the crotch region 15 and the first and second portions 22 and 23, the core 20 is located in the lateral center portion 24 of the second portion 23. Since the through hole 25 is formed and the core 20 is not present in the central portion 24 in the lateral direction, the lateral bending rigidity of the core 20 located in the second portion 23 is located in the crotch region 15 and the first portion 22. Lower than the lateral bending stiffness of the core 20.
- the first leak-proof sheet 19 is provided at a fixed side portion 32 extending in the vertical direction, a free portion 33 having an upright propensity to extend above the top sheet 17, and extending at the front and rear ends 11, 12. And fixed both ends 34 that fall down in the horizontal direction of the article 10B.
- the fixed end portion 34 located on the side of the rear waist region 16 is located not only on the rear end portion 12 but also on both lateral side portions 35 of the first portion 22.
- a first elastic member 36 extending in the vertical direction is attached in a contractible manner.
- the longitudinal end 37 of the elastic member 36 extends beyond the second portion 23 and on both lateral portions 35 of the first portion 22.
- the free portion 33 contracts in the vertical direction due to the contraction force of the elastic member 36, and the free portion 33 rises above the top sheet 17 to form a barrier against excrement.
- the second leak-proof sheet 52 is arranged between the first leak-proof sheets 19.
- the leak-proof sheet 52 A fixed end portion 53 extending in the lateral direction at the first portion 22; a free portion 54 extending in the horizontal direction in parallel with the fixed end portion 53 to reach the second portion 23 from the first portion 22; It is formed of fixed side portions 55 which are located on both sides 13 of 10C and fall down inward in the vertical direction.
- a second elastic member 56 extending in the lateral direction is shrinkably attached.
- the elastic member 56 is fixed to the free portion 54 in a state where the elastic member 56 is extended at a predetermined magnification in the lateral direction.
- the lateral portions 57 of the free portion 54 are fixed to the free portion 33 of the first leak-proof sheet 19.
- the fixed side portion 55 is interposed between the end portion 38 of the topsheet 17 and the fixed end portion 34 of the first leak-proof sheet 19, and is fixed to the inner and outer surfaces of the end portions 34, 38 of the sheets 17, 19. I have.
- the free portion 54 of the leak-proof sheet 52 rises above the top sheet 17 as the free portion 33 of the leak-proof sheet 19 stands, and is separated from the top sheet 17.
- the free section 54 forms a barrier that prevents the excrement from flowing vertically.
- the front and rear ends 11, 12 are formed from the ends 38, 39 of the front and back sheets 17, 18 extending vertically outward from the edge 30 of the core 20, and the fixed both ends 34 of the leak-proof sheet 19. ing.
- the ends of the sheets 17, 18, 19 are overlapped 34, 38, 39 force ⁇ Overlap! / ⁇ , the inner surfaces of the front and back sheets 17, 18 are fixed, and the outer surface of the top sheet 17 And the inner surface of the leak-proof sheet 19 are fixed.
- the fixed end 34 of the leak-proof sheet 19 located on the side of the rear waistline area 16 has the inner surface fixed to the outer surface of the topsheet 17 at both lateral sides 35 of the first portion 22! .
- a band-shaped waist elastic member 40 extending in the lateral direction is attached in a contractible manner.
- Both side portions 13 are formed by side portions 41, 42 of front and back sheets 17, 18 extending laterally outward from side edge 31 of core 20, and fixed side portions 32 of leak-proof sheet 19.
- side 41 slightly extends laterally outward from side edge 31 of core 20, and side 42 and side 31 further extend laterally outward from side 41.
- the side portions 32, 41, 42 of the sheets 17, 18, 19 overlap, the inner surfaces of the front and back sheets 17, 18 are fixed together, and the inner and outer surfaces of the front and back sheets 17, 18 and the leakproof sheet The inner surface of 19 is fixed.
- a plurality of leg-surrounding elastic members 43 extending in the longitudinal direction are attached to both sides 13 in a contractible manner.
- a flexible tape fastener 44 formed of a fiber nonwoven fabric is attached.
- the fixed end 45 of the tape fastener 44 is on the side of the back sheet 16 It is interposed between the portion 42 and the fixed side portion 32 of the leak-proof sheet 19 and is fixed to the inner surfaces of the sheets 18 and 19.
- a hook member (not shown) is attached to the inner surface of the free end 46 of the tape fastener 44.
- a flexible target tape 47 for detachably fixing a free end portion 46 of a tape fastener 44 is attached to the front waist region 14.
- the target tape 47 is formed of a plastic film and a loop member (not shown) attached to the film.
- the second portion 23 is partially bent by the contraction force of the elastic member 35 attached to the leak-proof sheet 19, and the first portion 22 is drawn toward the crotch region 15;
- the position 22 is located above the crotch region 15 in the thickness direction of the article 10C.
- a step occurs in the thickness direction between the crotch region 15 and the first portion 22, and the second portion 23 forms a barrier 48 extending in the thickness direction of the article 10C and a pocket 49 facing the crotch region 15. I have.
- the second portion 23 forms a pocket 49, and the excrement flowing toward the rear end portion 12 is accommodated in the pocket 49, so that the excrement leakage from the rear end portion 12 is ensured. Can be prevented.
- the through hole 25 that penetrates the core 20 is formed in the central portion 24 in the lateral direction of the second portion 23.
- a step proportional to the size is formed, and even if the wearer's body pressure is applied to the rear waistline region 16 while wearing the article 10C and the second part 23 is compressed in the thickness direction of the article 10C, the second part 23 is compressed.
- the lateral side portions 50 where the cores 20 exist overlap, and the thickness of the core 20 located on the lateral side portions 50 prevents the lateral center portions 24 from overlapping.
- the lateral bending stiffness values of the cores 20 located in the crotch region 15 and the first portion 22 are in the range of 9.4-28.2 mN, and the cores 20 located in the second portion 23 Has a bending stiffness value in the range of 5.5-16.5 mN. If the bending stiffness value of the core 20 located between the crotch region 15 and the first portion 22 is less than 9.4 mN, the crotch region 15 and the first portion 22 may be bent irregularly due to the contraction force of the elastic member 36. However, excrement cannot be efficiently absorbed by the crotch region 15 or the core 20 located in the first region 22.
- the bending stiffness value of the core 20 located at the crotch region 15 and the first portion 22 exceeds 28.2 mN, the stiffness of the crotch region 15 and the first portion 22 increases more than necessary, and the feeling of wearing the article 10C. Decreases. If the bending stiffness value of the core 20 located at the second part 23 is less than 5.5 mN, the second part 23 is bent irregularly due to the contraction force of the elastic member 36, and the second part 23 forms the barrier 48 and the pocket 49. May not be possible.
- the bending stiffness value of the core 20 located at the second portion 23 exceeds 16.5 mN, the core 20 becomes difficult to bend at the second portion 23 and the first portion 22 is moved by the contraction force of the elastic member 36 to the crotch region 15. In some cases, the second portion 23 cannot form the barrier 48 or the pocket 49 because the second portion 23 cannot be drawn to the side.
- the bending stiffness values of the cores 20 located in the crotch region 15 and the first and second regions 22, 23 were measured in accordance with the Gurley method (JIS L 1096-01 8.20.1). The measuring method of the bending stiffness value is the same as that of the article 10A.
- the elongation stress at the time of 90% elongation of the free portion 33 of the leak-proof sheet 19 including the elastic member 36 is in the range of 0.02-0.32N.
- the extension stress of the free part 33 is less than 0.02N
- the first portion 23 where the elastic member 36 has a weak contraction force cannot be pulled toward the crotch region 15 and the barrier 48 and the pocket 49 are formed by the second portion 23 of the rear waist region 16.
- the elongation stress of the free portion 33 exceeds 0.32 N, the first portion 22 may fall down to the crotch region 15 side, and the pocket 49 formed by the second portion 23 may close its mouth. is there.
- the measuring method of the elongation stress of the free portion 33 is the same as that of the article 10C in FIG.
- the illustrated articles 10A, 10B, and 10C are formed by a second portion 23, a force that forms a barrier 48 extending in the thickness direction of the articles 10A, 10B, and 10C, and a pocket 49 that faces the crotch region 15.
- the second portion 23 may form either the barrier 48 or the pocket 49.
- the first portion 22 is slightly drawn toward the crotch region 15 due to the contraction force of the elastic member 36
- the second portion 23 is inclined toward the rear end 12 and the second portion 23 is Only form.
- the first portion 22 is pulled to the crotch region 15 beyond the second portion by the contraction force of the elastic member 36
- the second portion 23 is inclined toward the crotch region 15 and the second portion 23 is inclined.
- Site 23 forms only pocket 49.
- a hydrophobic fiber nonwoven fabric having a large number of openings or a plastic film having a large number of fine openings can be used as the topsheet 17.
- a nonwoven fabric of a hydrophobic fiber nonwoven fabric, a gas-impermeable liquid-impermeable plastic film, or a composite nonwoven fabric obtained by laminating two or more hydrophobic fiber nonwoven fabrics can also be used.
- the back sheet 18 and the leak-proof sheets 19 and 52 are made of a composite non-woven fabric (SM non-woven fabric, SMS Non-woven fabric, SMMS non-woven fabric) can be used.
- the fibrous nonwoven fabric a nonwoven fabric manufactured by a spunlace, needle punch, melt blown, thermal bond, spun bond, or chemical bond manufacturing method can be used.
- Polyester, polyacrylonitrile, polychlorinated vinyl, polyethylene, polypropylene, and polystyrene can be used as constituent fibers of the nonwoven fabric.
- Constituent fibers include core-sheath composite fibers, side-by-side composite fibers, irregular hollow fibers, microporous fibers, and bonded composite fibers.
- Adhesion between front and back sheets 17, 18; adhesion of leak-proof sheets 19, 52 to sheets 17, 18; bonding of core 20 to sheets 17, 18; elastic member 37 to sheets 17, 18, 19, 52 , 41, 44 and 56 can be fixed by using an adhesive or a heat welding means such as heat seal or sock seal.
- an adhesive a hot-melt adhesive, an acryl adhesive, or a rubber adhesive can be used.
- the adhesive may be applied to the top sheet 17, the back sheet 18, and the leak-proof sheets 19, 52 in any of spiral, wavy, zigzag, dot, and striped forms. I like it.
- the adhesive is applied to the sheets 17, 18, 19, and 52 in such a manner, the coated areas where the adhesive is applied to the sheets 17, 18, 19, and 52 and the non-coated areas where the adhesive is not applied are formed.
- the sheets 17, 18, 19, 52 are intermittently fixed to each other, the core 20 is intermittently joined to the sheets 17, 18, and the elastic members 37, 41, 44, 56 are attached to the sheets 17, 18, 19, 52. , 1 8, 19, 52 intermittently fixed.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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AT04818525T ATE525050T1 (de) | 2003-11-14 | 2004-11-12 | Tragbarer einwegartikel |
EP04818525A EP1688114B1 (en) | 2003-11-14 | 2004-11-12 | Disposable wearing article |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP2003385161 | 2003-11-14 | ||
JP2003-385161 | 2003-11-14 | ||
JP2004029475A JP4342330B2 (ja) | 2003-11-14 | 2004-02-05 | 使い捨て着用物品 |
JP2004-029475 | 2004-02-05 |
Publications (1)
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WO2005046550A1 true WO2005046550A1 (ja) | 2005-05-26 |
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PCT/JP2004/016869 WO2005046550A1 (ja) | 2003-11-14 | 2004-11-12 | 使い捨て着用物品 |
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US (1) | US7252657B2 (ja) |
EP (2) | EP1688114B1 (ja) |
JP (1) | JP4342330B2 (ja) |
KR (1) | KR100779928B1 (ja) |
AT (1) | ATE525050T1 (ja) |
MY (1) | MY141092A (ja) |
TW (1) | TWI241183B (ja) |
WO (1) | WO2005046550A1 (ja) |
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EP2949301B1 (en) | 2014-05-27 | 2018-04-18 | The Procter and Gamble Company | Absorbent core with curved and straight absorbent material areas |
PL2949299T3 (pl) | 2014-05-27 | 2018-01-31 | Procter & Gamble | Wkład chłonny z układem rozmieszczenia materiału chłonnego |
EP2949302B1 (en) | 2014-05-27 | 2018-04-18 | The Procter and Gamble Company | Absorbent core with curved channel-forming areas |
EP2949300B1 (en) | 2014-05-27 | 2017-08-02 | The Procter and Gamble Company | Absorbent core with absorbent material pattern |
JP5859086B1 (ja) * | 2014-09-30 | 2016-02-10 | ユニ・チャーム株式会社 | 使い捨ておむつ |
WO2016149252A1 (en) | 2015-03-16 | 2016-09-22 | The Procter & Gamble Company | Absorbent articles with improved strength |
DE112016001234T5 (de) | 2015-03-16 | 2017-12-14 | The Procter & Gamble Company | Absorptionsartikel mit verbesserten kernen |
MX2017014428A (es) | 2015-05-12 | 2018-04-10 | Procter & Gamble | Articulo absorbente con adhesivo mejorado del nucleo al lienzo inferior. |
US10543129B2 (en) | 2015-05-29 | 2020-01-28 | The Procter & Gamble Company | Absorbent articles having channels and wetness indicator |
EP3167859B1 (en) | 2015-11-16 | 2020-05-06 | The Procter and Gamble Company | Absorbent cores having material free areas |
EP3238676B1 (en) | 2016-04-29 | 2019-01-02 | The Procter and Gamble Company | Absorbent core with profiled distribution of absorbent material |
EP3238678B1 (en) | 2016-04-29 | 2019-02-27 | The Procter and Gamble Company | Absorbent core with transversal folding lines |
JP6370344B2 (ja) | 2016-07-28 | 2018-08-08 | 花王株式会社 | 使い捨ておむつ |
CN106109098A (zh) * | 2016-08-22 | 2016-11-16 | 广东茵茵股份有限公司 | 分层式一次性吸湿用品 |
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GB2578997B (en) | 2017-07-31 | 2021-12-29 | Kimberly Clark Co | Absorbent article with bodyside liner providing a barrier region |
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WO2020251434A1 (en) | 2019-06-11 | 2020-12-17 | Essity Hygiene And Health Aktiebolag | Absorbent article and method for manufacturing absorbent article |
JP2021153712A (ja) * | 2020-03-25 | 2021-10-07 | 大王製紙株式会社 | 連結式使い捨て着用物品 |
JP7455628B2 (ja) | 2020-03-25 | 2024-03-26 | 大王製紙株式会社 | 連結式使い捨て着用物品 |
JP7362527B2 (ja) | 2020-03-25 | 2023-10-17 | 大王製紙株式会社 | 連結式使い捨て着用物品 |
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- 2004-02-05 JP JP2004029475A patent/JP4342330B2/ja not_active Expired - Fee Related
- 2004-10-07 TW TW093130377A patent/TWI241183B/zh active
- 2004-11-05 MY MYPI20044612A patent/MY141092A/en unknown
- 2004-11-09 US US10/983,635 patent/US7252657B2/en not_active Expired - Fee Related
- 2004-11-12 AT AT04818525T patent/ATE525050T1/de not_active IP Right Cessation
- 2004-11-12 WO PCT/JP2004/016869 patent/WO2005046550A1/ja active Application Filing
- 2004-11-12 KR KR1020067011522A patent/KR100779928B1/ko not_active IP Right Cessation
- 2004-11-12 EP EP04818525A patent/EP1688114B1/en not_active Not-in-force
- 2004-11-12 EP EP11151896A patent/EP2314265B1/en not_active Not-in-force
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Also Published As
Publication number | Publication date |
---|---|
KR20060103523A (ko) | 2006-10-02 |
US20050107761A1 (en) | 2005-05-19 |
KR100779928B1 (ko) | 2007-11-28 |
US7252657B2 (en) | 2007-08-07 |
EP1688114A1 (en) | 2006-08-09 |
EP1688114A4 (en) | 2010-04-14 |
MY141092A (en) | 2010-03-15 |
EP2314265A1 (en) | 2011-04-27 |
ATE525050T1 (de) | 2011-10-15 |
EP2314265B1 (en) | 2012-08-22 |
EP1688114B1 (en) | 2011-09-21 |
TW200522921A (en) | 2005-07-16 |
JP2005161006A (ja) | 2005-06-23 |
JP4342330B2 (ja) | 2009-10-14 |
TWI241183B (en) | 2005-10-11 |
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