WO2014083934A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2014083934A1
WO2014083934A1 PCT/JP2013/076861 JP2013076861W WO2014083934A1 WO 2014083934 A1 WO2014083934 A1 WO 2014083934A1 JP 2013076861 W JP2013076861 W JP 2013076861W WO 2014083934 A1 WO2014083934 A1 WO 2014083934A1
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WO
WIPO (PCT)
Prior art keywords
basis weight
absorbent core
central region
lateral
region
Prior art date
Application number
PCT/JP2013/076861
Other languages
English (en)
Japanese (ja)
Inventor
大和 益井
加藤　隆弘
祐貴 塚本
Original Assignee
花王株式会社
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 花王株式会社 filed Critical 花王株式会社
Priority to CN201380056845.6A priority Critical patent/CN104768508B/zh
Priority to RU2015123691/12A priority patent/RU2584524C1/ru
Publication of WO2014083934A1 publication Critical patent/WO2014083934A1/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
    • A61F13/45—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
    • A61F13/47—Sanitary towels, incontinence pads or napkins
    • A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
    • A61F13/47218—Sanitary towels, incontinence pads or napkins specially adapted for female use with a raised crotch region, e.g. hump
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/531—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad
    • A61F13/532—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/533—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having discontinuous areas of compression

Definitions

  • the present invention relates to absorbent articles such as sanitary napkins, panty liners (orimono sheets), and incontinence pads.
  • Patent Documents 1 and 2 disclose an absorber having a raised portion having a groove near the center of the absorber.
  • Patent Document 1 has a laminated structure having an upper layer and a lower layer, and a depression extending over the upper and lower layers is formed in a central region where the upper layer exists and forms a raised portion.
  • the recess is formed by hot embossing, and since the vicinity of the bottom of the recess is consolidated, the liquid hardly diffuses from the vicinity of the bottom of the recess to other parts, preventing wetback performance and absorption. There is room for improvement in terms of effective utilization of the body's absorption capacity.
  • Patent Document 2 discloses an absorbent body having a large number of block-shaped convex portions provided with raised portions that are similarly composed of a large number of convex portions. However, there is no suggestion that the depth of the groove formed between the block-shaped convex portions in the raised portion is a depth that reaches below the surface of the portion other than the raised portion.
  • an object of the present invention is to provide an absorbent article that can eliminate the above-mentioned drawbacks of the prior art.
  • the present invention relates to an absorbent article provided with an absorbent core that is long in the front-rear direction of the absorbent article.
  • the absorbent core has, in the width direction, a central region and lateral regions located on both sides thereof, and the central region has a protruding portion that protrudes above the upper surface of each of the lateral regions. .
  • the said center area and the said side area are integrally molded.
  • a plurality of lateral grooves along the width direction of the absorbent core are continuously formed on the skin contact surface of the absorbent core from the central region to the lateral region.
  • the transverse groove is formed by reducing the basis weight of the material for forming the absorbent core, and the transverse groove has a bottom portion at a portion adjacent to the lateral region of the central region, rather than an upper surface of the lateral region. Located below.
  • FIG. 1 is a perspective view showing a sanitary napkin according to a first embodiment of the present invention.
  • 2A is a cross-sectional view taken along the line IIa-IIa in FIG. 1
  • FIG. 2B is a cross-sectional view taken along the line IIb-IIb in FIG.
  • 3A is a cross-sectional view taken along line IIIa-IIIa in FIG. 1
  • FIG. 3B is a cross-sectional view taken along line IIIb-IIIb in FIG.
  • FIG. 4 is a schematic view showing a deformed state of the absorbent core when the sanitary napkin of FIG. 1 is worn.
  • FIG. 1 is a perspective view showing a sanitary napkin according to a first embodiment of the present invention.
  • FIG. 2A is a cross-sectional view taken along the line IIa-IIa in FIG. 1
  • FIG. 2B is a cross-sectional view taken along the line IIb-IIb in FIG.
  • 3A is a cross-
  • FIG. 5 is a schematic view showing a cross section along a circumferential direction of a fiber pile drum preferably used for manufacturing the absorbent core of the sanitary napkin shown in FIG.
  • FIG. 6 is a perspective view showing a sanitary napkin according to a second embodiment of the present invention.
  • 7A is a cross-sectional view taken along line VIIa-VIIa in FIG. 6, and
  • FIG. 6B is a cross-sectional view taken along line VIIb-VIIb in FIG.
  • FIG. 8 is a perspective view showing a sanitary napkin according to a third embodiment of the present invention.
  • 9A is a cross-sectional view taken along the line IXa-IXa in FIG. 8, and
  • FIG. 9B is a cross-sectional view taken along the line IXb-IXb in FIG.
  • a sanitary napkin 1 (hereinafter also simply referred to as napkin 1) as a first embodiment of the absorbent article of the present invention is a night napkin suitable for use at bedtime.
  • the napkin 1 has an absorbent main body 6 that is long in the front-rear direction, a pair of wing portions 7, 7, and a pair of rear flap portions 8, 8.
  • the “front-rear direction” is a direction that coincides with the wearer's front-rear direction when worn.
  • the absorptive main body 6 has a front part A, a liquid excretion part facing part B, and a rear part C in its longitudinal direction, and a pair of wing parts 7 and 7 on the left and right sides of the liquid excretion part facing part B.
  • the left and right sides of the part C have a pair of rear flap parts 8 and 8.
  • the liquid excretion part facing part B is a part arranged opposite to the wearer's liquid excretion part (vaginal opening) at the center part in the width direction, and the front part A is the front side of the wearer from the liquid excretion part facing part B.
  • the rear part C is a part arranged on the back side of the wearer from the liquid excretion part facing part B.
  • the napkin 1 includes a skin-side sheet 2 that forms a skin contact surface that is directed toward the wearer's skin when worn, a non-skin-side sheet 3 that forms a non-skin contact surface directed toward clothing such as shorts when worn, And the absorptive core 4 arrange
  • the skin-side sheet 2 includes a liquid-permeable surface sheet 2a and a pair of three-dimensional guard forming sheets 2b and 2b joined to both sides thereof.
  • the liquid permeable top sheet 2 a is arranged at the center in the width direction of the absorbent main body 6 so as to cover the entire length of the absorbent main body 6.
  • the three-dimensional guard forming sheet 2b is formed in such a manner that the side edge 21 on the center side in the width direction of the absorbent main body is overlapped on the surface sheet 2a, and the surface sheet is positioned slightly outward from the side edge 21 in the width direction. 2a.
  • the three-dimensional guard forming sheet 2b has a three-dimensional guard-forming elastic member (not shown) in the vicinity of the side edge portion 21, and when worn, due to the contraction force of the elastic member, the liquid excretion portion facing portion A solid guard is formed by standing so that a portion having a predetermined width from the side edge portion 21 in B is separated from the top sheet 2a.
  • the pair of wing portions 7, 7 and the pair of rear flap portions 8, 8 are composed of a three-dimensional guard forming sheet 2 b and a non-skin side sheet 3 extending from both side edges of the absorbent core 4.
  • a wing portion adhesive portion (not shown) for fixing to the non-skin contact surface of the crotch portion of the shorts is provided on the surface formed of the non-skin side sheet 3 of each of the pair of wing portions 7.
  • the non-skin contact surface is provided with a main body adhesive portion (not shown) for fixing the main body 6 to the inner surface of the shorts.
  • the rear flap 8 is arranged on the inner surface (skin contact surface) of the shorts when worn.
  • an adhesive portion for fixing to the inner surface of the shorts is also provided on the surface of the rear flap portion 8 made of the non-skin side sheet 3.
  • the skin-side sheet 2 and the non-skin-side sheet 3 are joined to each other with an adhesive from the periphery of the absorbent core 4 and are joined to each other at the periphery of the napkin 1 by heat sealing.
  • the skin-side sheet 2 and the absorbent core 4 and the absorbent core 4 and the non-skin-side sheet 3 are also bonded to each other by a pattern-coated adhesive such as dots, spirals, and stripes. Is preferred.
  • the absorbent core 4 in the napkin 1 is composed of a fiber assembly made of a fiber material such as pulp fiber or a material in which a superabsorbent polymer is held between fibers of the fiber assembly.
  • the upper and lower surfaces of the absorbent core 4 are covered with a core wrap sheet (not shown) made of tissue paper or a water-permeable nonwoven fabric.
  • the core wrap sheet is used for the purpose of preventing leakage of the forming material of the absorbent core or improving the shape retention of the absorbent core.
  • the absorbent core 4 in the napkin 1 has a shape that is long in the same direction as the front-rear direction of the napkin 1. Moreover, the absorptive core 4 has the center area
  • the width W1 [see FIG. 2 (a)] of the protruding portion 5 is preferably 20% or more, more preferably 30% or more, and preferably 80% or less, with respect to the total width W2 of the absorbent core. More preferably, it is 70% or less, preferably 20% or more and 80% or less, more preferably 30% or more and 70% or less.
  • the protrusion 5 of the absorbent core 4 and the raised portion 11 formed thereby in the napkin 1 have a long shape in the longitudinal direction of the absorbent core, as shown in FIG. It is formed from the part facing part B to a part of the rear part C. More specifically, it is formed in a range from the vicinity of the front end portion of the liquid excretion portion facing portion B to a position slightly rearward from the central portion in the X direction of the rear portion C. It is preferable that the protrusion part 5 and the protruding part 11 are formed from the liquid excretion part opposing part B to a part of the rear part C in the front-rear direction X of the napkin 1 (absorbent article).
  • the protrusion part 5 and the protruding part 11 are formed over the length of 30% or more of the total length of the napkin 1 in the front-rear direction X, and the length of the total length of the napkin 1 is 40% or more. More preferably, it is formed over 50% or more of the total length of the napkin 1.
  • a high basis weight portion 42 and a low basis weight portion 43 that forms the bottom of the lateral groove 44 are arranged in the longitudinal direction X of the absorbent core 4. They are alternately formed, and the individual low basis weight portions 43 extend along the width direction Y of the absorbent core 4.
  • the high basis weight part 42 is a part where the basis weight of the absorbent core forming material is relatively higher than the low basis weight part 43, and the low basis weight part 43 is the basis weight of the absorbent core forming material. Is a portion having a relatively low basis weight as compared with the high basis weight portion 42.
  • the central area 41 of the absorbent core 4 is pressed in the process of manufacturing the absorbent core 4. Under the present circumstances, the pressure by a press concentrates on the thick high basic weight part 42, and the thin low basic weight part 43 does not receive a pressure by a press and is not compressed. In this way, the high basis weight portion 42 is designed so that the density of the absorbent member is increased with respect to the low basis weight portion 43 by compressing only the high basis weight portion 42.
  • the side area 45 of the absorbent core 4 is pressed in a process different from the process of pressing the central area 41.
  • the pressure by the press is concentrated on the thick high basis weight portion 46, and the low low basis weight portion 47 is not compressed by the press and is not compressed.
  • the high basis weight part 46 is designed so that the density of the absorbent member is increased with respect to the low basis weight part 47 by compressing only the high basis weight part 46.
  • the press process used in this process is a measure such as using a press roll cut into a shape corresponding to the central area 41 or a roll having a press portion only in a part corresponding to the side area 45 of the absorbent core 4. It is devised so that only the side region of the absorbent core 4 is pressed.
  • the basis weight of the low basis weight portion 43 that forms the bottom of the lateral groove 44 is preferably 5% or more, more preferably 10% or more, with respect to the basis weight of the high basis weight portion 42. In addition, it is preferably 50% or less, more preferably 40% or less, preferably 5% or more and 80% or less, more preferably 10% or more and 70% or less, and more preferably 10% or more. It is more preferably 50% or less, and still more preferably 10% or more and 40% or less.
  • the basis weight of the high basis weight portion 42 is preferably 200 g / m 2 or more, more preferably 300 g / m 2 or more, and preferably 800 g / m 2 or less, more preferably 700 g / m 2 or less. In addition, it is preferably 200 g / m 2 or more and 800 g / m 2 or less, and more preferably 300 g / m 2 or more and 700 g / m 2 or less.
  • the basis weight of the low basis weight portion 43 is preferably 10 g / m 2 or more, more preferably 15 g / m 2 or more, and preferably 400 g / m 2 or less, more preferably 350 g / m 2 or less.
  • it is preferably 10 g / m 2 or more and 400 g / m 2 or less, more preferably 15 g / m 2 or more and 350 g / m 2 or less, and further preferably 25 g / m 2 or more and 300 g / m 2 or less. preferable.
  • the high basis weight portion 42 not only has a larger basis weight than the low basis weight portion 43 that forms the bottom of the lateral groove 44, but also has a larger thickness.
  • the thickness of the low basis weight portion 43 is such that the ratio to the thickness of the high basis weight portion 42 is preferably 5% or more, more preferably 10% or more, and preferably 50% or less, more preferably 40% or less. In addition, it is preferably 5% or more and 50% or less, and more preferably 10% or more and 40% or less.
  • the thickness of the high basis weight portion 42 is preferably 1.5 mm or more, more preferably 2 mm or more, preferably 10 mm or less, more preferably 8 mm or less, and 1.5 mm or more and 10 mm or less.
  • the thickness of the low basis weight portion 43 is preferably 0.08 mm or more, more preferably 0.15 mm or more, preferably 5 mm or less, more preferably 4 mm or less, and 0.08 mm or more and 5 mm or less. It is preferable that it is 0.15 mm or more and 4 mm or less.
  • the value of the high basic weight part 42 mentioned above, and the various values in the relationship with the low basic weight part 43 are the case where the absorptive core is comprised including the vertical groove like the napkin 1 of this embodiment. Should just correspond in the high basic weight part which does not contain this vertical groove 50. FIG.
  • the absorbent core is cut along the boundary line between the high basis weight portion 42 and the low basis weight portion 43 using a single blade razor manufactured by Feather, and the high basis weight portion 42 and the low basis weight so as to have a predetermined area. A small piece of the quantity part 43 is obtained.
  • the high basis weight portion 42 cuts out a portion sandwiched between the pair of low basis weight portions 43, 43 as a small piece. That is, the high basis weight part 42 is cut out as small block pieces partitioned by the low basis weight part 43.
  • the small piece includes the low basis weight portion 48 that forms the bottom of the longitudinal grooves 50, 51, 52 extending in the vertical direction, the high basis weight portion 42 partitioned by the low basis weight portion 43 and the low basis weight portion 48 is provided.
  • a sample section is cut out and used for measurement.
  • the small piece of the low basis weight portion is cut out as a small piece so that the narrow portion sandwiched between the pair of high basis weight portions 42 and 42 has a length of 30 mm.
  • the weights of these pieces are measured using an electronic balance (an electronic balance GR-300 manufactured by A & D, accuracy: 4 digits after the decimal point).
  • the calculated basis weight is calculated by dividing the obtained weight by the area of the small basis weight portion 42 or the low basis weight portion 43. About each of the high basic weight part 42 and the low basic weight part 43, let the average of the basic weight of five small pieces be a basic weight.
  • the measurement of the thickness of the high basic weight part 42 and the low basic weight part 43 is performed by measuring the thickness of the small piece cut out in order to measure a basic weight about each site
  • the measurement portion of the small basis weight portion 42 and the low basis weight portion 43 cut out from the absorbent article is pressurized at a pressure of 5 kPa for 10 minutes, and the measurement is performed immediately after dewetting.
  • An acrylic plate having a size of 20 mm ⁇ 20 mm and a thickness of 3 mm is placed on the absorber 3 in the central area of the sample after dewetting, and a non-contact type laser displacement meter (laser head LK-G30, displacement meter LK- manufactured by KEYENCE). GD500) is used to measure the thickness of the sample.
  • a non-contact type laser displacement meter laser head LK-G30, displacement meter LK- manufactured by KEYENCE.
  • GD500 laser head
  • the section of the cut sample is 20 to 100 using, for example, a microscope (VHX-1000 manufactured by KEYENCE). You may observe and measure at double magnification.
  • the high basic weight part 42 and the low basic weight part 43 which have a basic weight difference and a density difference are formed in said aspect,
  • a plurality of lateral grooves 44 a that are recessed toward the non-skin contact surface side are formed extending in the width direction Y of the absorbent core 4.
  • the skin contact surface is a surface directed toward the wearer's skin when worn on the absorbent article or its constituent member, and the non-skin contact surface is when worn on the absorbent article or its constituent member. It is a surface directed to the side opposite to the wearer's skin side.
  • the high basis weight portion 46 and the low basis weight portion 47 are alternately formed in the longitudinal direction X of the absorbent core 4 in the lateral region 45 of the absorbent core 4.
  • the individual low basis weight portions 47 extend along the width direction Y of the absorbent core 4.
  • the high basis weight portion 46 has a relatively high basis weight of the absorbent core forming material as compared to the low basis weight portion 47, and the low basis weight portion 47 has a high basis weight of the absorbent core forming material.
  • the basis weight is relatively low as compared with the amount portion 46.
  • the high basic weight part 46 and the low basic weight part 47 which have a basic weight difference and a density difference are formed in said aspect in the skin contact surface in the side area 45 of the absorptive core 4.
  • a plurality of lateral grooves 44b that are recessed toward the non-skin contact surface side are formed so as to extend in the width direction Y of the absorbent core 4, respectively.
  • the basis weight of the low basis weight portion 47 that forms the bottom of the lateral groove 44 is preferably 5% or more, more preferably 10%, with respect to the basis weight of the high basis weight portion 46. In addition, it is preferably 50% or less, more preferably 40% or less, preferably 5% or more and 50% or less, and more preferably 10% or more and 40% or less.
  • the basis weight of the high basis weight portion 46 is preferably 50 g / m 2 or more, more preferably 100 g / m 2 or more, and preferably 400 g / m 2 or less, more preferably 300 g / m 2 or less.
  • the basis weight of the low basis weight portion 47 is preferably 2.5 g / m 2 or more, more preferably 5 g / m 2 or more, and preferably 200 g / m 2 or less, more preferably 150 g / m 2 or less. In addition, it is preferably 2.5 g / m 2 or more and 200 g / m 2 or less, and more preferably 5 g / m 2 or more and 150 g / m 2 or less.
  • the high basis weight portion 46 not only has a larger basis weight than the low basis weight portion 47 that forms the bottom of the lateral groove 44, but also has a larger thickness.
  • the thickness of the low basis weight portion 47 is such that the ratio to the thickness of the high basis weight portion 46 is preferably 5% or more, more preferably 10% or more, and preferably 50% or less, more preferably 40% or less. In addition, it is preferably 5% or more and 50% or less, and more preferably 10% or more and 40% or less.
  • the thickness of the high basis weight portion 46 is preferably 0.8 mm or more, more preferably 1 mm or more, preferably 5 mm or less, more preferably 4 mm or less, and 0.8 mm or more and 5 mm or less.
  • the thickness of the low basis weight portion 47 is preferably 0.04 mm or more, more preferably 0.08 mm or more, preferably 0.4 mm or less, more preferably 0.32 mm or less, and 0.04 mm. It is preferably 0.4 mm or less and more preferably 0.08 mm or more and 0.32 mm or less.
  • the value of the high basic weight part 46 mentioned above, and the various values in the relationship with the low basic weight part 47 are the case where the absorptive core is comprised including the vertical groove like the napkin 1 of this embodiment. Should just correspond in the high basic weight part which does not contain this vertical groove 50.
  • the measuring method of the basic weight and thickness in each of the high basic weight part 46 and the low basic weight part 47 is performed in the same manner as the measuring method in the high basic weight part 42 and the low basic weight part 43 described above.
  • the high basis weight portion 42 of the central area 41 has a larger basis weight than the high basis weight portion 46 of the side area 45, and the thickness is also larger than the high basis weight section 46 of the side area 45. It has become.
  • the thickness t1 of the central region 41 becomes thicker than the thickness t2 of the side region 45, and the protruding portion 5 that protrudes above the upper surface S2 of the side region 45 is formed in the central region 41.
  • the ratio of the thickness t1 of the central region 41 to the thickness t2 of the side region 45 is preferably 110% or more, more preferably 120% or more, and preferably 400% or less, more preferably 300% or less.
  • the thickness t1 of the central region 41 is the thickness of the high basis weight portion 42 located in the central portion in the width direction of the central region 41, and the thickness t2 of the side region 45 is adjacent to the central region 41. This is the thickness of the high basis weight portion 46.
  • the ratio of the height t protruding from the upper surface S ⁇ b> 2 of the lateral region 45 to the total thickness t ⁇ b> 1 of the central region 41 is preferably 20% in both the liquid excretion portion facing portion B and the rear portion C.
  • the protrusion height t of the protrusion 5 is the same as the value obtained by subtracting the thickness t2 of the side area 45 from the total thickness t1 of the central area 41.
  • the position in the longitudinal direction X of the absorptive core 4 matches the low basic weight part 43 of the central area 41 and the low basic weight part 47 of the lateral area 45 at the boundary between the central area 41 and the lateral area 45.
  • the lateral groove 44a in the central region 41 and the lateral groove 44b in the lateral regions 45, 45 coincide with each other in the longitudinal direction X of the absorbent core 4 at the boundary portion. That is, the lateral groove 44 a in the central area 41 and the lateral groove 44 b in the lateral areas 44, 44 form one lateral groove 44 that continues from the central area 41 to the lateral areas 45, 45 of the absorbent core 4.
  • the lateral groove 44 extends over the entire width of the absorbent core 4.
  • a plurality of the lateral grooves 44 are formed at intervals in the longitudinal direction of the absorbent core 4.
  • the low basis weight portion 43 in the central region 41 and the low basis weight portion 47 in the side region 45 form a single low basis weight portion that extends continuously over the entire width of the absorbent core 4.
  • the single low basis weight part is smaller in the basis weight, thickness and density of the absorbent core forming material than the high basis weight part 46 in the side region 45.
  • Concerning the lateral groove 44, continuous from the central area to the lateral area means that the space in the lateral groove whose upper side is released extends from the central area to the lateral area without being interrupted between the central area and the lateral area. That exist continuously.
  • the napkin 1 of the present embodiment as shown in FIG.
  • the horizontal groove 44 intersects vertical grooves 50 to 52 described later in a cross shape in a plan view.
  • the lateral groove is assumed not to be interrupted at the intersection with the vertical groove.
  • the plurality of lateral grooves 44 are formed so that the bottom portion 44d of the central region 41 adjacent to the side region 45 in the width direction Y of the absorbent core 4 is the side 44d (see FIG. 2B). It is located below the upper surface S2 of the area 45. The position of the upper surface S ⁇ b> 2 of the side region 45 here is the upper surface of the high basis weight portion 46 in the side region 45 adjacent to the central region 41. As shown in FIG. 2B, the bottom 44 d of the lateral groove 44 is located below the upper surface S ⁇ b> 2 of the side region 45 over the entire region of the central region 41 in the width direction of the absorbent core 4. It is preferable.
  • the low basis weight portion 43 in the central region 41 has a smaller basis weight and thickness than the high basis weight portion 46 in the side region 45, whereby the lateral grooves 44 are formed in the width direction of the absorbent core 4.
  • the bottom 44 d is located below the upper surface S ⁇ b> 2 of the side region 45 across the entire central region 41.
  • Whether or not the bottom 44d of the lateral groove 44 is located below the position of the upper surface S2 of the lateral region 45 depends on the thickness of the bottom 44d at the portions P1 and P1 adjacent to the lateral region 45 of the central region 41 and the lateral sides. This is determined by measuring the thickness of the high basis weight portion 46 of the region 45. Specifically, first, the absorbent core 4 is taken out from the sanitary napkin 1, and the thickness of the high basis weight portion 46 in the lateral region 45 is measured with the bottom surface of the central region 41 as a base point.
  • Thickness is measured by pressurizing each part for 10 minutes at a pressure of 5 kPa, placing an acrylic plate with a size of 20 mm x 20 mm and thickness 3 mm on the measurement part after dewetting, and a non-contact type laser displacement meter (laser head) manufactured by KEYENCE. LK-G30 and displacement meter LK-GD 500. Next, using a single-edged razor manufactured by Feather Co., Ltd.
  • the measurement part is cut out, pressurized for 10 minutes at a pressure of 5 kPa, and the thickness is measured immediately after the weight removal.
  • Acrylic plate having a size of 20 mm ⁇ 20 mm and a thickness of 3 mm is placed in the center area of the sample after weight removal. The thickness of the sample is measured using a non-contact type laser displacement meter (Laser Head LK-G30, Displacement Meter LK-GD500, manufactured by KEYENCE).
  • the section of the cut sample is 20 to 100 using, for example, a microscope (VHX-1000 manufactured by KEYENCE).
  • the thickness of the high basis weight portion 46 of the lateral region 45 obtained previously may be used to measure the bottom 44d at the portions P1 and P1 adjacent to the lateral region 45 of the central region 41. If the thickness of the measurement part is large, the bottom part 44d of the lateral groove 44 is located below the position of the upper surface S2 of the side region 45.
  • a central area 41 including the protruding portion 5 and a pair of side areas 45, 45 are integrally formed.
  • “Integrally molded” means that the same material is used to form parts in one process, unlike the case where members manufactured in different processes are joined by means of bonding, such as adhesives or compression. Means that Therefore, for example, between the portion 42u forming the protruding portion 5 in the central region 41 and the portion 42d located below the portion 42u, there are layers of layers that are produced when two separately manufactured absorbent cores are stacked. There are no adjacent portions or joint portions, and adjacent portions between cores generated when two separately manufactured absorbent cores are arranged side by side at the boundary portion between the central region 41 and the side regions 45, 45. There is no joint.
  • the central region 41 including the protruding portion 5 and the pair of side regions 45, 45 are integrally formed, the liquid to be absorbed has continuity that can move smoothly. A method for manufacturing the absorbent core having such a structure will be described later.
  • the absorbent core 4 has a concavo-convex shape on the skin contact surface due to the presence of the lateral grooves and the longitudinal grooves described later in both the central region 41 and the side regions 45, while the non-skin contact surface side is flat. It has become.
  • the central region 42 having the protrusions 5 has a deep depth, the bottom 44d reaches a position deeper than the upper surface S2 of the lateral region 45, and from the central region 42 to the lateral region 45.
  • the transverse groove 44 is formed by reducing the basis weight of the material for forming the absorbent core, the protruding portion 5 that tends to hinder the bending is usually provided. In spite of having it, it is rich in deformability and hardly causes wrinkles on the skin contact surface. Therefore, as shown in FIG. 4, the entire shape is made to conform to the wearer's body shape while keeping the protruding portion 5 and the raised portion 11 formed thereby along the wearer's liquid excretion portion or tear.
  • the absorbent core is integrally formed and the lateral groove 44 is formed by reducing the basis weight of the material for forming the absorbent core, the liquid absorbed from the protruding portion 5 has a thickness in the central region 41.
  • the liquid easily diffuses from the vicinity of the bottom of the lateral groove 44 to other parts, and the liquid staying in the vicinity of the bottom of the lateral groove 44 does not return to the skin contact surface by pressurization. Therefore, even when a large amount of liquid is supplied, the liquid hardly remains on the skin contact surface, and a comfortable wearing feeling can be obtained.
  • the ratio of the depth of the lateral groove 44 in the central region 41 to the thickness t1 of the central region 41 is preferably 50% or more, more preferably 60. % Or more, preferably 95% or less, more preferably 90% or less, preferably 50% or more and 95% or less, more preferably 60% or more and 90% or less. .
  • the width W of the lateral groove 44 is preferably 0.2 mm or more, more preferably 0.5 mm or more, preferably 3 mm or less, more preferably 2 mm or less, and 0.2 mm or more and 3 mm or less. It is preferable that it is 0.5 mm or more and 2 mm or less.
  • the width W of the lateral groove 44 is a dimension in the longitudinal direction X of the absorbent core as shown in FIG.
  • the high basis weight portion 42 in the central area 41 since the high basis weight portion 42 in the central area 41 has a higher density than the low basis weight portion 43, body fluid taken into the lateral groove 44 is quickly taken into the high basis weight portion 42. It has become. For this reason, the body fluid is absorbed in the longitudinal direction of the absorbent core 4 while being transmitted through the lateral groove 44, so that the body fluid is efficiently absorbed in the central region. As a result, the suppression of liquid leakage from the absorbent core 4 is improved.
  • the high basis weight portion 46 since the high basis weight portion 46 has a higher density than the low basis weight portion 47 in the side region 45, the same effect can be obtained.
  • the density of the low basis weight part is preferably 5% or more, more preferably 10% or more, and preferably the ratio to the density of the adjacent high basis weight part. It is 50% or less, more preferably 40% or less, preferably 5% or more and 50% or less, more preferably 10% or more and 40% or less.
  • the absorbent core 4 in the napkin 1 has a central region 41, side regions 45, 45, and longitudinally outer regions at both ends of the central region 41 in the longitudinal direction. Grooves 50 to 52 are provided.
  • the vertical groove 50 in the central area 41 is provided with a low basic weight part 48 in which the basis weight and thickness of the absorbent core forming material are smaller than those of the high basic weight part 42 in the central area 41, similarly to the horizontal groove 44a. Is formed.
  • the longitudinal groove 50 of the central area 41 does not need to extend continuously to the front and rear end areas.
  • the longitudinal grooves 51 and 52 of the side area 45 are formed in the side area 45 in the same manner as the lateral grooves 44b.
  • the basis weight and thickness of the absorbent core forming material are lower than the high basis weight section 46. 49 is provided. Further, the absorbent core 4 in the napkin 1 has a high basis weight portion 46 and a low basis weight in the lateral region 45 in the front and rear end regions outward from both ends of the central region 41 in the longitudinal direction X, as shown in FIG.
  • the high basic weight part and the low basic weight part which have the magnitude relationship of basic weight, a density, and thickness similar to the weight part 47 are formed, and, thereby, the horizontal groove 53 similar to the horizontal groove 44b of the side area 45 is formed. Has been.
  • the longitudinal groove 50 along the longitudinal direction of the absorptive core 4 is formed in the central region 41 having the protrusion 5, the protrusion 5 and the raised portion formed thereby. 11 can be further deformed so as to conform to the body shape of the wearer, and the fit to the unevenness of the body is further improved.
  • the liquid sucking property in the thickness direction of the central area 41 is improved, and the liquid is less likely to remain on the skin contact surface.
  • the vertical groove 50 formed in the central region 41 does not have to have a bottom portion located below the upper surface S2 of the side region 45 adjacent to the central region 41. That is, as shown in FIG.
  • the bottom of the vertical groove 50 may be located below the upper surface S2 of the side region 45 adjacent to the central region 41, or the bottom thereof. However, you may be located in the same position as the upper surface S2 of the site
  • the absorptive core 4 of the napkin 1 described above is provided with the accumulation recess 55 on the outer peripheral surface, and the stacking drum 54 rotating in one direction A and the absorbent core forming material are scattered on the outer peripheral surface of the stacking drum 54. It can manufacture using a fiber stacking apparatus provided with the duct (not shown) supplied in a state. A plurality of stacking recesses 55 are formed at regular intervals in the circumferential direction of the outer peripheral surface of the stacking drum 54.
  • the bottom surface 56 of the accumulation recess 55 is made of a mesh plate or the like and has a large number of pores functioning as suction holes.
  • a concave portion 56 a for forming the central region 41 having the protruding portion 5 is formed on a part of the bottom surface 56 of the accumulation concave portion 55.
  • a breathable member 56 for forming low basis weight portions such as the low basis weight portions 43 and 37 is disposed at the bottom of the accumulation recess 55.
  • the air-impermeable member 56 is fixed so as to protrude from the bottom surface of the accumulation recess 55, and may be a non-air-permeable member, for example, made of metal or plastic.
  • the material for forming the absorbent core is supplied into the duct while sucking from the bottom surface of the accumulation recess 55, as in the known fiber stacking device including the fiber stacking drum.
  • the material for forming the absorbent core is deposited in a predetermined shape in the accumulation recess 55.
  • the absorbent core 4 is obtained by releasing the deposit 4 ′ from the accumulation recess 55.
  • the absorbent core 4 may be pressed and compressed appropriately by passing between a pair of rolls before or after coating with the core wrap sheet.
  • the portion 43 ′ made of the core forming material deposited on the breathable member 56 becomes the low basis weight portion 43 or the like, and the portion deposited on the bottom surface without the breathable member 56. 42 'becomes the high basic weight part 42 grade
  • the high basic weight part 42 having a higher density than the low basic weight part 43 is formed in the central area 41, and becomes the central area 41.
  • the high basis weight portion 46 having a higher density than the low basis weight portion 47 is formed in the side region 45.
  • the surface sheet 2a and the non-skin side sheet 3 those similar to those conventionally used in the technical field can be used without particular limitation.
  • a liquid-permeable nonwoven fabric or a perforated film can be used as the top sheet 2a.
  • a water-repellent nonwoven fabric having a high water pressure resistance such as a liquid-impermeable film made of a synthetic resin or a spunbond-meltblown-spunbond laminated nonwoven fabric can be used.
  • the three-dimensional guard forming sheet 2b a water-repellent nonwoven fabric having a high water pressure resistance, for example, a spunbond-meltblown-spunbond laminated nonwoven fabric or the like can be used as the three-dimensional guard forming sheet 2b.
  • sanitary napkins according to second and third embodiments of the present invention will be described.
  • the sanitary napkins of the second and third embodiments are different from the first embodiment in the configuration of the absorbent core.
  • 2nd and 3rd embodiment a different point from 1st Embodiment is mainly demonstrated, the same code
  • the description relating to the first embodiment is applied as appropriate.
  • the absorbent core 4 ⁇ / b> A in the sanitary napkin of the second embodiment is inclined such that the protruding portion 5 descends from the central portion 41 ⁇ / b> M of the central region 41 toward the side regions 45 and 45. It has a side surface 41S.
  • the inclined side surfaces 41 ⁇ / b> S are formed on both side portions of the protruding portion 5 in the longitudinal direction.
  • the protruding portion 5 has a flat central portion 41M, and has inclined side surfaces 41S having a linear cross section on both sides thereof.
  • the corner portion between the central portion 41M and the inclined side surface 41S and the boundary portion between the inclined side surface 41S and the side region 45 may be smoothly continuous via a curved surface having an arcuate cross section without having a corner.
  • the inclined side surface 41S may have a non-skin contact surface or a curved cross-sectional shape that is convex toward the non-skin contact surface.
  • the boundary portion between the inclined side surface 41S and the side region 45 is easily bent toward the non-skin contact surface side, and is raised without changing the shape of the relatively rigid central portion 41M, and follows the body. Since it becomes easy, it becomes advantageous in a viewpoint of an improvement of fit nature and a feeling of wearing.
  • the lateral groove 44 of the absorbent core 4 ⁇ / b> A in the second embodiment has a bottom 44 d in the portions P ⁇ b> 1 and P ⁇ b> 1 adjacent to the lateral region 45 in the lateral region 45. While located below the upper surface S ⁇ b> 2, the bottom of the lateral groove 44 in the central portion 41 ⁇ / b> M of the central region 41 is located above the upper surface S ⁇ b> 2 of the side region 45.
  • an inclined surface corresponding to the inclined side surface 41S is formed in the concave portion 56a provided in the concave portion for accumulation 55, and the protrusion height of the breathable member from the bottom surface of the concave portion for accumulation 55 is increased. It can be manufactured in the same manner as the manufacturing method of the absorbent core 4 of the first embodiment except that the thickness is partially different.
  • the absorbent core 4B in the sanitary napkin of the third embodiment is such that the thickness of the absorbent core 4B is the center of the central region 41 in the width direction Y of the absorbent core 4B. It gradually decreases from 41M toward both ends in the width direction Y of the absorbent core 4B. More specifically, the absorbent core 4B has a central portion 41M having a flat skin contact surface in a range extending from the liquid excretion portion facing portion B to a part of the rear portion C, and the absorbent core 4B from the periphery thereof. The thickness gradually decreases toward the periphery of the.
  • FIG. 1 the length in the width direction Y of the absorbent core is equally divided into three, and the central region is defined as a central region 41, and the portions located on both sides thereof are defined as side regions 45, 45.
  • the central region 41 has a central region inclined side surface 41S, and the side regions 45 and 45 have side region inclined side surfaces 45S.
  • the same effect as that of the napkin 1 of the first embodiment is exhibited, and the central area 41 and the side area 45 are gradually reduced toward both ends in the width direction Y of the absorbent core 4B.
  • the following effects are also achieved. That is, due to the inclination of the central region 41 and the side region 45, the absorbent core 4B is easily bent so that the skin contact surface side is convex and the non-skin contact surface side is concave, and the relatively highly rigid central portion. Since the shape of 41M is raised without being changed and it is easy to follow the body, it is advantageous from the viewpoint of improving fit and wearing feeling.
  • the longitudinal groove extending in the longitudinal direction of the absorbent core is formed, but the longitudinal groove may not be formed.
  • the vertical groove in the central area is provided, the vertical groove in the lateral area may not be provided, and conversely, the vertical groove in the central area may not be provided while the vertical groove in the lateral area may be provided.
  • the lateral groove 44 extending from the central area 41 to the lateral area 45 may be formed only in the liquid excretion part facing part of the absorbent article, or may be formed only in the rear part.
  • the inclined surface 41S is formed by forming the inclined surface corresponding to the inclined side surface 41S in the concave portion 56a provided in the concave portion for accumulation 55, but the thickness of the central region 41 is Alternatively, the absorbent core 4 may be formed by manufacturing a uniform absorbent core in the width direction Y of the absorbent core 4 and then pressing and compressing a portion of the central region 41 adjacent to the lateral region.
  • the absorbent core may be composed only of a fiber material such as pulp fiber, or may include both a fiber material and a superabsorbent polymer.
  • a fiber material such as pulp fiber
  • various materials conventionally used for absorbent articles of absorbent articles such as sanitary napkins, panty liners, and disposable diapers can be used without particular limitation.
  • pulp fibers, rayon fibers, cotton Short fibers of cellulosic fibers such as fibers, short fibers of synthetic fibers such as polyethylene, and the like are used. These fibers can be used alone or in combination of two or more.
  • the fiber material is preferably all or part of pulp fiber, and the ratio of pulp fiber in the fiber material is preferably 50 to 100% by mass, more preferably 80 to 100% by mass, More preferably, it is 100 mass%.
  • the absorbent core may contain a deodorant or an antibacterial agent as necessary.
  • the density of the high basis weight portion is higher than that of the low basis weight portion.
  • the density of both may be the same by omitting the pressing step of the absorbent core.
  • the absorbent article of the present invention may be other absorbent articles such as panty liners (origami sheets), incontinence pads, disposable diapers in addition to sanitary napkins.
  • panty liners origami sheets
  • incontinence pads disposable diapers in addition to sanitary napkins.
  • the description omitted in one embodiment described above and the requirements of only one embodiment can be applied to other embodiments as appropriate, and the requirements in each embodiment can be appropriately changed between the embodiments. Can be replaced with
  • An absorbent article having an absorbent core having a long shape in the front-rear direction of the absorbent article, wherein the absorbent core has a central region and side regions located on both sides thereof in the width direction.
  • the central area has a protruding portion that protrudes upward from the upper surface of each side area, and the absorbent core has the central area and the side area formed integrally,
  • a plurality of lateral grooves along the width direction of the absorbent core are continuously formed on the skin contact surface of the absorbent core from the central area to the lateral area, and the lateral grooves are absorbed.
  • the transverse groove is formed by reducing the basis weight of the forming material of the conductive core, and the lateral groove is located below the upper surface of the lateral region at the bottom of the central region adjacent to the lateral region.
  • ⁇ 4> The absorbent article according to any one of ⁇ 1> to ⁇ 3>, wherein a longitudinal groove along the longitudinal direction of the absorbent core is formed in the central region.
  • ⁇ 5> The absorbent article according to any one of ⁇ 1> to ⁇ 4>, wherein the protrusion is formed from the liquid excretion part facing part to a part of the rear part.
  • ⁇ 6> The absorbent article according to any one of ⁇ 1> to ⁇ 5>, wherein the protruding portion has an inclined side surface that descends from the central portion of the central region toward the lateral region.
  • the basis weight of the low basis weight portion is a ratio of the high basis weight portion to the basis weight of 5% or more and 80% or less.
  • ⁇ 9> basis weight takes on a central region of the absorbent core, 200 ⁇ 800 g / m 2 in the high basis weight portion, a low basis weight portion is 10 ⁇ 400 g / m 2, the ⁇ 1> to ⁇ 8>
  • the thickness of the low basis weight part is any one of the above ⁇ 1> to ⁇ 10>, wherein the ratio to the thickness of the high basis weight part is 5% or more and 50% or less.
  • the basis weight of the low basis weight part is the ratio of the high basis weight part to the basis weight of 5% to 50%.
  • the absorbent article of any one. ⁇ 13> The basis weight in the lateral region of the absorbent core is 50 to 400 g / m 2 in a high basis weight part and 2.5 to 200 g / m 2 in a low basis weight part.
  • the absorbent article according to any one of 12>. ⁇ 14> In any one of the above ⁇ 1> to ⁇ 13>, in the lateral region of the absorbent core, the ratio of the thickness of the low basis weight part to the thickness of the high basis weight part is 5% or more and 50% or less. Absorbent article as described in 1.
  • the thickness of the high basis weight part is 0.8 mm or more and 5 mm or less, and the thickness of the low basis weight part is 0.04 mm or more and 0.4 mm or less, ⁇ 1
  • ⁇ 17> The absorbent article according to any one of ⁇ 1> to ⁇ 16>, wherein the ratio of the depth of the lateral groove in the central region to the thickness of the central region is 50% or more and 95% or less.
  • ⁇ 18> The absorbent article according to any one of ⁇ 1> to ⁇ 17>, wherein the width of the lateral groove is 0.2 to 3 mm.
  • the skin contact surface has an uneven shape in both the central region and the lateral region, and the non-skin contact surface side is flat.
  • the ratio of the height protruding from the upper surface of the lateral region to the total thickness of the central region is 20% or more and 90% or less in both the liquid excretion portion facing portion and the rear portion.
  • ⁇ 23> The absorbent core according to any one of the above items ⁇ 1> to ⁇ 22>, wherein the absorbent core is a fiber assembly made of a fiber material or a superabsorbent polymer held between fibers of the fiber assembly.
  • ⁇ 24> The absorbent article according to ⁇ 23>, wherein all or part of the fiber material is pulp fiber.
  • ⁇ 25> The absorbent article according to ⁇ 23> or ⁇ 24>, wherein the upper and lower surfaces of the absorbent core are covered with a core wrap sheet.
  • ⁇ 26> The absorbent article according to ⁇ 25>, wherein the core wrap sheet is made of tissue paper or a water-permeable nonwoven fabric.
  • ⁇ 27> The absorbent article according to any one of ⁇ 1> to ⁇ 26>, wherein the absorbent article is a sanitary napkin.
  • the absorbent article of the present invention it is excellent in fit to the unevenness of the body, is excellent in follow-up deformability with respect to the wearer's movement, and is unlikely to give a sense of incongruity due to wrinkles or breakage of the absorbent core.
  • the liquid absorbed from the protruding portion is absorbed quickly by penetrating into the lateral groove and reaches the bottom of the lateral groove, and then moves to the adjacent portion of the bottom of the lateral groove where the density of the absorbent material is higher than the bottom of the lateral groove. It is difficult to stay near the bottom of the lateral groove, and liquid return to the skin contact surface is unlikely to occur.

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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

La présente invention concerne un article absorbant comprenant : un noyau absorbant (4) qui est formé de façon à être allongé dans la direction avant- arrière de l'article absorbant. Le noyau absorbant (4) comprend, disposé dans le sens de la largeur de celui-ci, une zone centrale (41) et des zones latérales (45, 45) qui sont situées sur les deux côtés de la zone centrale (41). La zone centrale (41) comporte une saillie (5) qui fait saillie vers le haut au-delà des surfaces supérieures des zones latérales. Dans le noyau absorbant (4), la zone centrale (41) et les zones latérales (45) sont formées de manière intégrée les unes avec les autres. Des rainures latérales (44) s'étendant dans le sens de la largeur du noyau absorbant sont formées dans la surface de contact avec la peau du noyau absorbant (4) de telle manière que les rainures latérales (44) s'étendent en continu de la région centrale (41) aux zones latérales (45). Les rainures latérales (44) sont formées en réduisant la quantité pesée d'un matériau qui forme le noyau absorbant. Dans chacune des rainures latérales (44), les sections inférieures (44d) des parties (P1) de la zone centrale (41), les parties (P1) étant adjacentes aux zones latérales (45), sont situées au-dessous des surfaces supérieures (S2) des zones latérales (45).
PCT/JP2013/076861 2012-11-27 2013-10-02 Article absorbant WO2014083934A1 (fr)

Priority Applications (2)

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CN201380056845.6A CN104768508B (zh) 2012-11-27 2013-10-02 吸收性物品
RU2015123691/12A RU2584524C1 (ru) 2012-11-27 2013-10-02 Абсорбирующее изделие

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JP2012-258313 2012-11-27
JP2012258313A JP5604500B2 (ja) 2012-11-27 2012-11-27 吸収性物品

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JP (1) JP5604500B2 (fr)
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RU (1) RU2584524C1 (fr)
TW (1) TWI519281B (fr)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016214407A (ja) * 2015-05-15 2016-12-22 王子ホールディングス株式会社 吸収性物品
US10231883B2 (en) 2015-01-23 2019-03-19 Kimberly-Clark Worldwide, Inc. Bridged absorbent structure
WO2020130959A1 (fr) * 2018-12-20 2020-06-25 Evyap Sabun Yag Gliserin Sanayi Ve Ticaret Anonim Sirketi Couche centrale absorbante optimisée pour produits d'hygiène
IT201900009123A1 (it) * 2019-06-17 2020-12-17 Gdm Spa Dispositivo di formatura di una imbottitura assorbente per un articolo assorbente igienico
US11857397B2 (en) 2017-11-06 2024-01-02 The Procter And Gamble Company Absorbent article with conforming features

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JP6181027B2 (ja) * 2014-10-30 2017-08-16 花王株式会社 吸収性物品
JP6563672B2 (ja) * 2015-04-14 2019-08-21 花王株式会社 吸収性物品
JP6141392B2 (ja) * 2015-11-12 2017-06-07 ユニ・チャーム株式会社 吸収性物品
JP6646441B2 (ja) * 2015-12-28 2020-02-14 花王株式会社 吸収性物品
JP6788978B2 (ja) * 2016-03-01 2020-11-25 花王株式会社 吸収性物品
SG11201804895WA (en) * 2016-05-20 2018-07-30 Kao Corp Absorbent article
JP2017217078A (ja) * 2016-06-03 2017-12-14 花王株式会社 吸収性物品
JP6674326B2 (ja) * 2016-06-03 2020-04-01 花王株式会社 吸収性物品
JP6886798B2 (ja) * 2016-10-25 2021-06-16 花王株式会社 吸収性物品
JP6360540B2 (ja) * 2016-11-29 2018-07-18 大王製紙株式会社 吸収性物品
MY186592A (en) * 2016-12-26 2021-07-29 Kao Corp Absorbent article
JP6506484B1 (ja) * 2018-07-05 2019-04-24 花王株式会社 吸収性物品
CN110913818B (zh) * 2018-07-05 2022-05-17 花王株式会社 吸收性物品
JP6505339B1 (ja) * 2018-07-05 2019-04-24 花王株式会社 吸収性物品
JP7125310B2 (ja) * 2018-09-04 2022-08-24 花王株式会社 パッド型吸収性物品
JP6518393B1 (ja) * 2019-03-04 2019-05-22 花王株式会社 吸収性物品
CN110179594A (zh) * 2019-05-31 2019-08-30 重庆百亚卫生用品股份有限公司 一种吸收型芯体结构

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012120707A (ja) * 2010-12-08 2012-06-28 Kao Corp 吸収性物品
JP2012125366A (ja) * 2010-12-14 2012-07-05 Kao Corp 吸収性物品

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4758240A (en) * 1985-08-05 1988-07-19 Glassman Jacob A Anantomical sanitary and incontinent pads
SE519513C2 (sv) * 2001-07-03 2003-03-11 Sca Hygiene Prod Ab Absorberande alster och sätt att tillverka ett absorberande alster av byxliknande form
RU2301051C2 (ru) * 2005-04-12 2007-06-20 Ирина Ивановна Аксентьева Прокладка абсорбирующая
RU2305536C1 (ru) * 2006-06-16 2007-09-10 Марият Мурадалиевна Мухина Устройство для иглорефлексотерапии

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012120707A (ja) * 2010-12-08 2012-06-28 Kao Corp 吸収性物品
JP2012125366A (ja) * 2010-12-14 2012-07-05 Kao Corp 吸収性物品

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10231883B2 (en) 2015-01-23 2019-03-19 Kimberly-Clark Worldwide, Inc. Bridged absorbent structure
JP2016214407A (ja) * 2015-05-15 2016-12-22 王子ホールディングス株式会社 吸収性物品
US11857397B2 (en) 2017-11-06 2024-01-02 The Procter And Gamble Company Absorbent article with conforming features
WO2020130959A1 (fr) * 2018-12-20 2020-06-25 Evyap Sabun Yag Gliserin Sanayi Ve Ticaret Anonim Sirketi Couche centrale absorbante optimisée pour produits d'hygiène
IT201900009123A1 (it) * 2019-06-17 2020-12-17 Gdm Spa Dispositivo di formatura di una imbottitura assorbente per un articolo assorbente igienico
WO2020254929A1 (fr) * 2019-06-17 2020-12-24 Gdm S.P.A. Dispositif destiné à former un tampon absorbant pour un article hygiénique absorbant

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TWI519281B (zh) 2016-02-01
JP5604500B2 (ja) 2014-10-08
JP2014104093A (ja) 2014-06-09
RU2584524C1 (ru) 2016-05-20
CN104768508B (zh) 2017-08-15
CN104768508A (zh) 2015-07-08

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