WO2007142146A1 - 吸収性物品 - Google Patents
吸収性物品 Download PDFInfo
- Publication number
- WO2007142146A1 WO2007142146A1 PCT/JP2007/061205 JP2007061205W WO2007142146A1 WO 2007142146 A1 WO2007142146 A1 WO 2007142146A1 JP 2007061205 W JP2007061205 W JP 2007061205W WO 2007142146 A1 WO2007142146 A1 WO 2007142146A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbent article
- belt
- main body
- longitudinal direction
- width direction
- Prior art date
Links
- 230000002745 absorbent Effects 0.000 title claims abstract description 241
- 239000002250 absorbent Substances 0.000 title claims abstract description 241
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- 239000004831 Hot glue Substances 0.000 description 17
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- 239000004745 nonwoven fabric Substances 0.000 description 16
- 239000000853 adhesive Substances 0.000 description 14
- 230000001070 adhesive effect Effects 0.000 description 14
- 239000004743 Polypropylene Substances 0.000 description 13
- 229920001155 polypropylene Polymers 0.000 description 13
- 239000004698 Polyethylene Substances 0.000 description 12
- 229920000573 polyethylene Polymers 0.000 description 12
- 239000006096 absorbing agent Substances 0.000 description 11
- 238000004049 embossing Methods 0.000 description 11
- 229920001169 thermoplastic Polymers 0.000 description 10
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229920002134 Carboxymethyl cellulose Polymers 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 125000003118 aryl group Chemical group 0.000 description 2
- 239000001768 carboxy methyl cellulose Substances 0.000 description 2
- 235000010948 carboxy methyl cellulose Nutrition 0.000 description 2
- 239000008112 carboxymethyl-cellulose Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000003431 cross linking reagent Substances 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 229920000092 linear low density polyethylene Polymers 0.000 description 2
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- 239000000155 melt Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 2
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- 229920002050 silicone resin Polymers 0.000 description 2
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 2
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
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- ILJSQTXMGCGYMG-UHFFFAOYSA-N triacetic acid Chemical compound CC(=O)CC(=O)CC(O)=O ILJSQTXMGCGYMG-UHFFFAOYSA-N 0.000 description 2
- 229920006307 urethane fiber Polymers 0.000 description 2
- 229930185605 Bisphenol Natural products 0.000 description 1
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004129 EU approved improving agent Substances 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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- WXAYTPABEADAAB-UHFFFAOYSA-N Oxyphencyclimine hydrochloride Chemical compound Cl.CN1CCCN=C1COC(=O)C(O)(C=1C=CC=CC=1)C1CCCCC1 WXAYTPABEADAAB-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
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- 229920002472 Starch Polymers 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
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- 229920000346 polystyrene-polyisoprene block-polystyrene Polymers 0.000 description 1
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Classifications
-
- 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
- A61F13/47263—Sanitary towels, incontinence pads or napkins specially adapted for female use with activating means, e.g. elastic, heat or chemical activatable means
-
- 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
- A61F13/474—Sanitary towels, incontinence pads or napkins adjustable
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
- A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/56—Supporting or fastening means
- A61F13/5605—Supporting or fastening means specially adapted for sanitary napkins or the like
- A61F13/5616—Supporting or fastening means specially adapted for sanitary napkins or the like using flaps, e.g. adhesive, for attachment to the undergarment
Definitions
- the present invention relates to an absorbent article.
- absorbent articles for absorbing excrement such as menstrual blood.
- absorbent articles include an absorbent body that absorbs and retains menstrual blood, a liquid-permeable surface sheet that covers the surface of the absorbent body on the skin contact surface side, and a back surface that corresponds to the clothing side of the absorbent body. For example, it is worn in a state where it is adhered to the inner surface of a crotch cloth for underwear.
- the absorbent article as described above is used in such a manner that an absorbent layer having an absorbent body is in close contact with the excretion part in order to reliably capture excretion from the excretion part of the wearer.
- the lifestyles of wearers have been diversified, and the usage methods for absorbent articles have also been diversified. For example, something that wants to improve the adhesion between the body and the absorbent article is desired, or, for example, it wants to reduce the feeling of pressure on the body from the absorbent article resulting from adhesion while maintaining leakage prevention Is desired.
- Patent Document 1 Japanese Utility Model Laid-Open No. 3-101933
- Patent Document 2 Japanese Utility Model Laid-Open No. 3-101933
- An absorbent article is disclosed in which the adhesiveness of the absorbent article to the body when the undergarment is worn is improved by bonding the material to the undergarment or the like.
- Patent Document 2 Japanese Patent Application Laid-Open No. 11-99179
- Patent Document 2 both ends of the sanitary napkin are extended with an elastic member having elasticity, and an extended end portion of the elastic member
- An absorbent article is disclosed in which an adhesive area is provided on the underwear contact surface of the underwear and adhered to the underwear or the like, thereby improving the adhesion of the absorbent article to the body when the underwear is worn.
- the absorbent articles described in Patent Documents 1 and 2 have both ends in the longitudinal direction of the absorbent article.
- An elastic member is provided in the part, and the absorbent article is pulled toward the excretory part of the wearer by using the elastic force generated in the elastic member to improve the adhesion.
- Patent Document 3 JP-A-2005-95510 (hereinafter referred to as Patent Document 3), a hole or guide for passing a belt is provided on the back sheet side of the absorbent article, and the belt passes through this hole or guide.
- An absorbent article having fastening portions for fixing the belt to a surface sheet or the like of the absorbent article is disclosed at both ends.
- Patent Documents 1 to 3 can improve the predetermined adhesion in the absorbent article, for example, the fit of the absorbent article can be changed. It was hard to do anything. Accordingly, there has been a demand for an absorbent article that can change the fit between the absorbent article and the body while maintaining a predetermined leak-proof property.
- the present invention has been made in view of the above-described problems, and an object thereof is to provide an absorbent article that can change the fit while maintaining a predetermined leak-proof property.
- the present inventor has provided a band-shaped member that can be expanded and contracted in the longitudinal direction and the width direction in the absorbent article body, and the band-shaped member and the absorbent article body are fixed to each other. By joining at the position, it was found that the absorbent article itself can be deformed in accordance with the expansion and contraction of the belt-like member, and the present invention has been completed. Specifically, the following absorbent articles are provided.
- a substantially vertically long absorbent article wherein at least a part of the absorbent article disposed on one side in the thickness direction of the absorbent article is a liquid-permeable surface sheet portion;
- An absorbent article body having at least a liquid-retaining absorbent body portion disposed on the other side of the top sheet portion on the other side in the thickness direction, and the other side of the absorbent article body
- a strip-shaped member disposed along the longitudinal direction of the absorbent article main body, and the strip-shaped member is at least partially narrowed in the width direction of the strip-shaped member.
- At least one end side of both ends in the longitudinal direction of the belt-shaped member is provided with a locking portion, and the absorbent article main body and the belt-shaped member are disposed in the deformation region.
- An absorbent article that is provided and joined at joints spaced apart from each other at a predetermined interval across the center of the absorbent article body in the width direction.
- the absorbent article includes at least a part of a liquid-permeable surface sheet portion disposed on one side in the thickness direction of the absorbent article and the thickness of the absorbent article.
- An absorbent article body having a liquid-retaining absorbent body portion disposed on the other side in the vertical direction and on the other side of the top sheet portion, and an absorbent article on the other side of the absorbent article body
- a belt-like member disposed along the longitudinal direction of the main body, and is formed substantially vertically.
- the belt-shaped member has a deformation region that can be deformed so that at least a part thereof is narrowed in the width direction. Further, the belt-like member is provided with a locking portion on at least one end side in the longitudinal direction. In this deformation region, the absorbent article main body and the band-shaped member are bonded to the joints separated from each other at a predetermined interval across the center in the width direction of the absorbent article main body.
- a sex article can be provided.
- the deformation region can be stretched and contracted in the longitudinal direction and the width direction, and is deformed so that the length in the width direction is shortened in conjunction with the stretching in the longitudinal direction.
- the deformation region is formed to be stretchable and shrinkable in the longitudinal direction and the width direction.
- the length of the deformation region in the width direction is shortened in conjunction with the movement.
- the tension in the longitudinal direction of the belt-like member is weakened, the deformation region is deformed so that the contraction amount of the length in the width direction is also weakened in conjunction with this.
- At least one end side in the longitudinal direction of the strip-shaped member is a gripping portion in which at least a part of the outer edge force in the longitudinal direction of the absorbent article body extends. (1) or the absorbent article as described in (2) in which is formed.
- a force bar portion that encloses at least a part of the strip-shaped member in the longitudinal direction on the other side of the absorbent article main body and encapsulates the entire strip-shaped member in the width direction.
- an absorbent article including a cover portion that encloses a belt-like member on the other side in the thickness direction.
- the length in the width direction of the belt-shaped member is in a range of 30% or more of the length in the width direction of the absorbent article main body, according to any one of (1) to (6) Absorbent articles
- the absorbent article body is deformed so as to shorten the length in the width direction of the deformation region, so that the absorbent article body is convex on one side in the thickness direction.
- An absorbent article that can be deformed can be provided.
- the protrusion height in the convex deformation of the absorbent article main body can be adjusted by adjusting the stretch amount in the longitudinal direction in the deformation region to adjust the interval between the joint portions (2 )
- the absorbent article according to any one of the above.
- the absorbent article capable of adjusting the protrusion height in the convex deformation of the absorbent article main body in the thickness direction by adjusting the stretch amount in the longitudinal direction in the deformation region. Can be provided.
- a substantially vertically long absorbent article wherein at least a part of the absorbent article disposed on one side in the thickness direction of the absorbent article is a liquid-permeable surface sheet portion, and the absorbent article.
- An absorbent article body having at least a liquid-retaining absorbent body portion disposed on the other side in the thickness direction and on the other side of the top sheet portion; and on the other side of the absorbent article body
- a belt-shaped member that is arranged along the longitudinal direction of the absorbent article body and has a deformation region that can be deformed so as to shorten the length in the width direction in conjunction with stretching in the longitudinal direction, Provided in a deformation region, the absorbent article main body and the band-shaped member, and a joint part spaced apart from each other at a predetermined interval with respect to the center in the width direction of the absorbent article main body, the band-shaped member In the longitudinal direction By stretching, the deformation region extends in the longitudinal direction and is deformed so that the length in the width direction is shortened, and by
- the absorbent article includes at least a part of a liquid-permeable surface sheet portion disposed on one side in the thickness direction of the absorbent article and the thickness of the absorbent article.
- An absorbent article body having a liquid-retaining absorbent body portion disposed on the other side in the direction and on the other side of the top sheet portion, and an absorbent article body on the other side of the absorbent article body
- a belt-shaped member that is arranged along the longitudinal direction of the belt and has a deformable region that can be deformed so that the length in the width direction becomes long in conjunction with stretching in the longitudinal direction, and a joint provided in the deformed region A joining portion that is spaced apart from the center of the absorbent article body by a predetermined distance from the center in the width direction.
- An absorbent article can be provided in which the joint portions are brought close to each other and the absorbent article main body is convexly deformed to one side.
- a substantially vertically long absorbent article wherein at least a part of the absorbent article disposed on one side in the thickness direction of the absorbent article is a liquid-permeable surface sheet portion, and the absorbent article
- An absorbent article body having at least a liquid-retaining absorbent body portion disposed on the other side in the thickness direction and on the other side of the top sheet portion; and on the other side of the absorbent article body
- a strip-shaped member disposed along the longitudinal direction of the absorbent article main body, and the absorbent article main body is separated from each other at a predetermined interval across the center of the absorbent article main body in the width direction.
- a connecting member that connects each of the connecting portions, and the belt-like member is placed on one end side in the longitudinal direction, and the connecting member is connected to the connecting portion. Connected to each of the joints via Osamu article.
- the absorbent article comprises at least a part of a liquid-permeable surface sheet portion disposed on one side in the thickness direction of the absorbent article, and the thickness of the absorbent article.
- An absorbent article body having a liquid-retaining absorbent body portion disposed on the other side of the surface sheet portion on the other side, and an absorbent material on the other side of the absorbent article body
- a strip-shaped member disposed along the longitudinal direction of the product main body.
- the absorbent article main body includes joint portions spaced apart from each other at a predetermined interval across the center in the width direction of the absorbent article main body, and each of the joint portions is joined by a connecting member.
- the band-shaped member can provide an absorbent article that is connected to each of the joint portions via a connecting member on one end side in the longitudinal direction.
- the outer edge force in the longitudinal direction of the absorbent article main body is extended to the other end side facing the one end side in the longitudinal direction of the belt-shaped member.
- An absorbent article to be formed can be provided.
- At least a part of the strip-shaped member in the longitudinal direction is encapsulated on the other side in the thickness direction of the absorbent article main body, and all of the strip-shaped member in the width direction is encapsulated.
- An absorptive article in which a cover part is arranged can be provided.
- the grip portion includes a guide element that indicates an extending direction of the belt-shaped member (1
- the absorbent article according to any one of 1) to (13).
- the length in the width direction of the band-shaped member is in a range of 30% or more of the length in the width direction of the absorbent article main body, according to any one of (11) to (14) Absorbent Po
- the absorbent article according to any one of 1) to (16).
- an absorbent material that deforms the deformation region so that the length in the width direction is shortened to bring the joint portions closer to each other and causes the absorbent article body to be convexly deformed to one side. Goods can be provided.
- the distance between the joints is adjusted by adjusting the position of the strip-shaped member in the longitudinal direction with respect to the absorbent article main body, and the protruding height of the absorbent article main body in the convex deformation
- the absorbent article according to any one of (11) to (16), which can be adjusted.
- the fit of the absorbent article can be changed while maintaining a predetermined leak-proof property.
- An absorbent article can be provided.
- ⁇ 1 A front view of a sanitary napkin according to a first embodiment of the present invention.
- FIG. 2 is a rear view of FIG.
- FIG. 3 is a cross-sectional view taken along the line AA in FIG.
- 4A is a cross-sectional view taken along the line BB in FIG.
- FIG. 4B is a CC cross-sectional view of FIG.
- FIG. 4C is a sectional view taken along the line D-D in FIG.
- FIG. 5A is a front view of a belt-like member according to the first embodiment.
- FIG. 5B is a cross-sectional view taken along the line I I of FIG. 5A.
- FIG. 6A is a perspective view for explaining a deformation mode of the band-shaped member according to the first embodiment. 6B] FIG. 6B is a perspective view showing a state where the belt-like member in FIG. 6A is extended.
- FIG. 6C is a cross-sectional view taken along the line XX in FIG. 6B.
- 6D is a cross-sectional view taken along the line YY in FIG. 6B.
- FIG. 7 is a view showing a state where the sanitary napkin according to the first embodiment is attached.
- FIG. 8 A front view of a sanitary napkin according to a second embodiment of the present invention.
- FIG. 9 is a rear view of FIG. 8.
- FIG. 10 is a cross-sectional view taken along the line EE in FIG.
- FIG. 11A is a sectional view taken along line FF in FIG.
- FIG. 11B is a GG sectional view of FIG. 8.
- FIG. 11C is a cross-sectional view taken along the line HH in FIG.
- FIG. 12A A perspective view showing a deformed state of the belt-like member according to the second embodiment.
- FIG. 12B A perspective view showing a state in which the belt-like member according to the second embodiment is stretched.
- FIG. 12C is a cross-sectional view taken along the line XX in FIG. 12B.
- FIG. 12D is a YY sectional view of FIG. 12B.
- FIG. 13A A back view of a sanitary napkin according to a third embodiment of the present invention.
- FIG. 13B A rear view showing the stretched state of the band-shaped member of the sanitary napkin according to the third embodiment of the present invention.
- 14 A front view of a sanitary napkin according to a fourth embodiment of the present invention.
- FIG. 15 is a cross-sectional view taken along the line I I of FIG.
- FIG. 16A is a cross-sectional view taken along the line J J in FIG.
- FIG. 16B is a KK sectional view of FIG. 14.
- FIG. 16C is a sectional view taken on line L L in FIG.
- FIG. 16D is a cross-sectional view showing another embodiment of FIG.
- ⁇ 17 A rear view of a sanitary napkin according to a fifth embodiment of the present invention.
- FIG. 18A is a cross-sectional view taken along the line MM in FIG.
- FIG. 18B is a cross-sectional view taken along the line MM according to another embodiment of FIG.
- ⁇ 19A A rear view according to the sixth embodiment of the present invention.
- FIG. 19B is an NN cross-sectional view of FIG.
- FIG. 21A is an OO cross-sectional view of FIG.
- FIG. 21B is a cross-sectional view taken along the line PP in FIG.
- FIG. 22A is a cross-sectional view of FIG.
- FIG. 22B is a cross-sectional view of FIG.
- ⁇ 23 It is a front view of a sanitary napkin according to a ninth embodiment of the present invention.
- FIG. 24 is a front view of a sanitary napkin according to a tenth embodiment of the present invention.
- FIG. 26A is a perspective view showing a stretched state of a belt-like member according to the eleventh embodiment.
- FIG. 26B is an XX sectional view of FIG. 26A.
- FIG. 26C is a Y-Y sectional view of FIG. 26A.
- FIG. 27A is a front view of a sanitary napkin according to a twelfth embodiment of the present invention.
- FIG. 27B is an RR cross-sectional view of FIG. 26A.
- ⁇ 28 A front view of a sanitary napkin according to a thirteenth embodiment of the present invention.
- FIG. 29 is a front view of a sanitary napkin according to a fourteenth embodiment of the present invention.
- the absorbent article according to the present invention is worn on the crotch part of the body for the purpose of absorbing menstrual blood, urine, urine and the like, which are also excreted by physical strength.
- a sanitary napkin whose main purpose is to absorb menstrual blood excreted by a female vaginal loca will be described as an example.
- one side facing the excretory part is a skin contact surface, and the other side of the opposite side is a non-skin contact surface regardless of whether clothes are worn on the outside. To do.
- FIG. 1 is a front view of a sanitary napkin according to the first embodiment of the present invention.
- FIG. 2 is a rear view of FIG. 3 is a cross-sectional view taken along the line AA in FIG. 4A is a cross-sectional view taken along the line BB in FIG. 4B is a cross-sectional view taken along the line CC in FIG. 4C is a sectional view taken along the line DD in FIG.
- FIG. 5A is a front view of the belt-like member according to the first embodiment.
- FIG. 5B is a cross-sectional view taken along the line I I of FIG. 5A.
- FIG. 6A is a perspective view for explaining a deformation mode of the belt-like member according to the first embodiment.
- FIG. 6B is a perspective view showing a state in which the belt-like member in FIG. 6A is extended.
- FIG. 6C is a cross-sectional view taken along the line XX of FIG. 6B.
- 6D is a cross-sectional view taken along the line YY of FIG. 6B.
- FIG. 7 is a view showing a state in which the sanitary napkin according to the first embodiment is mounted.
- FIG. 8 is a front view of a sanitary napkin according to a second embodiment of the present invention.
- FIG. 9 is a rear view of FIG.
- FIG. 10 is a cross-sectional view taken along the line EE in FIG.
- FIG. 10 is a cross-sectional view taken along the line EE in FIG.
- FIG. 11A is a cross-sectional view taken along the line FF in FIG.
- FIG. 11B is a GG cross-sectional view of FIG.
- FIG. 11C is a cross-sectional view taken along the line HH of FIG.
- FIG. 12A is a perspective view showing a deformed state of the belt-like member according to the second embodiment.
- FIG. 12B is a perspective view showing a state in which the belt-like member according to the second embodiment is extended.
- FIG. 12C is an XX cross-sectional view of FIG. 12B.
- FIG. 12D is a YY cross-sectional view of FIG. 12B.
- FIG. 12A is a perspective view showing a deformed state of the belt-like member according to the second embodiment.
- FIG. 12B is a perspective view showing a state in which the belt-like member according to the second embodiment is extended.
- FIG. 12C
- FIG. 13A is a rear view of a sanitary napkin according to a third embodiment of the present invention.
- FIG. 13B is a rear view showing a stretched state of the band-shaped member of the sanitary napkin according to the third embodiment of the present invention.
- FIG. 14 is a front view of a sanitary napkin according to a fourth embodiment of the present invention.
- FIG. 15 is a cross-sectional view taken along the line II in FIG.
- FIG. 16A is a JJ sectional view of FIG.
- FIG. 16B is a KK sectional view of FIG.
- FIG. 16C is an LL cross-sectional view of FIG. Figure 16D shows another form of Figure 14. It is sectional drawing which shows a state.
- FIG. 16A is a JJ sectional view of FIG.
- FIG. 16B is a KK sectional view of FIG.
- FIG. 16C is an LL cross-sectional view of FIG. Figure 16D shows another form of Figure 14. It is sectional drawing which shows
- FIG. 17 is a back view of a sanitary napkin according to a fifth embodiment of the present invention.
- 18A is a cross-sectional view taken along the line MM in FIG.
- FIG. 18B is an MM cross-sectional view according to another form of FIG.
- FIG. 19A is a rear view according to the sixth embodiment of the present invention.
- FIG. 19B is an NN cross-sectional view of FIG.
- FIG. 20 is a rear view of the biological napkin according to the seventh embodiment of the present invention.
- FIG. 21A is a cross-sectional view taken along the line O—O in FIG. 21B is a cross-sectional view taken along the line PP in FIG.
- FIG. 22A is a cross-sectional view of FIG. 22B is a cross-sectional view of FIG.
- FIG. 23 is a front view of a sanitary napkin according to a ninth embodiment of the present invention.
- FIG. 24 is a front view of a sanitary napkin according to a tenth embodiment of the present invention.
- FIG. 25 is a front view of a sanitary napkin according to an eleventh embodiment of the present invention.
- FIG. 26A is a perspective view showing a stretched state of the strip-shaped member according to the eleventh embodiment.
- FIG. 26B is a cross-sectional view taken along the line XX in FIG. 26A.
- FIG. 26C is a cross-sectional view taken along the line YY of FIG. 26A.
- FIG. 27A is a front view of a sanitary napkin according to a twelfth embodiment of the present invention.
- FIG. 27B is a cross-sectional view taken along the line RR in FIG. 26A.
- FIG. 28 is a front view of a sanitary napkin according to a thirteenth embodiment of the present invention.
- FIG. 29 is a front view of a sanitary napkin according to a fourteenth embodiment of the present invention.
- a sanitary napkin 1 that is an absorbent article according to the first embodiment includes a sanitary napkin body 5 that is an absorbent article body, and a belt-like member 10. Specifically, as shown in FIGS.
- the sanitary napkin 1 is provided on the skin contact surface side of the wearer, and the liquid-permeable surface sheet portion 2 constituting the surface layer, and the wearer Liquid non-permeable back sheet part 3 that is provided on the non-skin contact surface side and that constitutes the back layer, and is disposed between the top sheet part 2 and the back sheet part 3 to hold the liquid that constitutes the absorbent layer
- a sanitary napkin body 5 having a sexual absorbent body part 4 and a non-skin contact surface side of the back sheet part 3, and on the other side in the thickness direction (TD) of the sanitary napkin body 5,
- a band-like member 10 disposed along the longitudinal direction (LD) of the sanitary napkin body 5.
- the sanitary napkin body 5 and the belt-like member 10 are located at a substantially central portion in the longitudinal direction (LD). They are joined at a pair of joints 8L and 8R provided at fixed locations. Specifically, the joint portions 8L and 8R are spaced apart from each other on both sides in the longitudinal direction (LD) in the substantially central portion of the sanitary napkin 1 with a predetermined distance across the center in the width direction (WD). Are provided apart from each other.
- the band-like member 10 is joined to the sanitary napkin body 5 at the joints 8L and 8R, and extends along the sanitary napkin body 5 in the longitudinal direction (LD) starting from the joints 8L and 8R. Be placed.
- Both end portions of the belt-like member 10 in the longitudinal direction (LD) extend from the outer edges of both end portions of the sanitary napkin body 5, and grip portions 6f and 6r are provided in each of the extended portions. ing.
- On the non-skin contact surface side of each of the gripping portions 6f and 6r, locking portions 9f and 9r for locking with an undergarment 50 or the like that is a locked body are provided.
- the locking portions 9f and 9r are provided slightly closer to the center portion in the longitudinal direction (LD) of the belt-like member 10 than the ends of the belt-like member 10.
- a leak-proof groove portion formed by continuously pressing the top sheet portion 2 and the absorber portion 4 may be provided. Furthermore, a leak-proof wall formed by using an elastic material such as an elastic material and a leak-proof sheet, so-called gathers, may be arranged along both sides in the width direction (WD) of the sanitary napkin 1! / ,.
- the sanitary napkin 1 when individually storing the sanitary napkin 1 in a packaging container, the sanitary napkin 1 is enclosed in the state of a three-fold or four-fold package toward the inner surface, and is placed in the opening portion of the packaging container.
- Tape is provided.
- the sanitary napkin 1 may be one in which the inner surface of the package is subjected to a liquid re-treatment with silicon or the like so that the tape or the like can be easily peeled off.
- the sanitary napkin 1 may be provided so that a release sheet or the like subjected to a liquefying process covers an adhesive part that adheres to an undergarment or a body.
- the sanitary napkin body 5 is formed in a substantially vertically long shape.
- the shape of the sanitary napkin main body 5 include, for example, a rectangular shape, an elliptical shape, and a saddle shape, as well as those equipped with so-called wings W1 and W2 that prevent deviation from an underwear 50 described later.
- any shape that conforms to the shape of the wearer's body and the underwear 50 may be used.
- the length in the longitudinal direction (LD) of the sanitary napkin body 5 is, for example, , 100-500 mm force S, more preferably ⁇ , 150-350.1111 ⁇ can be displayed.
- the length in the width direction (WD) is preferably 30 to 200 mm, and more preferably 40 to 180 mm.
- the sanitary napkin main body 5 is provided on the skin contact surface side of the wearer, provided on the liquid permeable surface sheet portion 2 constituting the surface layer, and on the non-skin contact surface side of the wearer, A liquid-impermeable back sheet portion 3 constituting the back surface layer, and a liquid-retaining absorbent body portion 4 arranged between the top sheet portion 2 and the back sheet portion 3 and constituting the absorption layer are provided.
- top sheet portion 2 and the absorber portion 4 are joined so that they are bonded together by a hot melt adhesive. Further, the top sheet portion 2 and the back sheet portion 3 are bonded together by being bonded together by a bonding portion (not shown) formed by hot melt adhesive, thermocompression bonding, or the like. As a whole, the surfaces of the sheets are bonded to each other with a hot melt adhesive, and the end portions of the sheets are bonded by a thermocompression treatment.
- Examples of the coating pattern for hot melt bonding include spiral coating, control seam coating, coater coating, curtain coater coating, and summit gun coating.
- Basis weight of the adhesive in Hottome belt adhesive is preferably 30 g / m 2 is the gesture et preferred is 3 to 10 g / m 2.
- the wire diameter is preferably 30 to 300 ⁇ m.
- the strip member 10 is formed in a substantially vertically long shape.
- the length in the width direction (WD) of the strip member 10 is preferably in the range of 30 to 150% of the length in the width direction (WD) of the sanitary napkin body 5, and more preferably 60 to 130 A range of% can be exemplified. If the sanitary napkin body 5 is less than 30% of the length in the width direction (WD), for example, the entire sanitary napkin body 5 cannot be lifted up sufficiently, and the entire sanitary napkin body 5 cannot be lifted. This is because it cannot be adhered to the side. Also, if greater than 150%, the wearer This is because the area in contact with the thigh becomes excessive, and it may rub against the thigh and cause skin troubles.
- the length in the longitudinal direction (LD) of the band-shaped member 10 is preferably in the range of 30 to 300% of the length in the longitudinal direction (LD) of the sanitary napkin body 5, for example.
- a range of 70 to 150% can be exemplified.
- the length in the longitudinal direction (LD) of the strip member 10 is smaller than 30% of the length in the longitudinal direction (LD) of the sanitary napkin body 5, for example, the sanitary napkin body 5 is This is because it cannot be brought into close contact with the body.
- the length of the belt-shaped member 10 in the longitudinal direction (LD) is greater than 150%, the area in contact with the wearer's thigh becomes excessive, and rubbing with the thigh causes skin troubles and the like. This is because there is a fear.
- the belt-like member 10 cannot be attached to the underwear 50 in a stretched state, and may not be able to be in close contact with the excretory part.
- the stretchable range of the belt-like member 10 is preferably in the range of 105 to 300%, more preferably in the range of 110 to 180%, assuming that the non-stretched state is 100%. This is because when the stretched state force is smaller than S105%, the stress that pushes the sanitary napkin body 5 toward the body becomes weak, and the structure that lifts the sanitary napkin body 5 does not easily occur. Further, if the stretched state is larger than 300%, an unnecessarily pushing force is generated on the body side, which may cause discomfort to the wearer.
- the stress of the belt-shaped member 10 at an elongation ratio of 105 to 300% in the stretched state is, for example, in the range of 5 to 500 cNZ25 mm, and further in the range of 20 to: LOOcN / 25 mm. preferable.
- the belt-like member 10 is a sheet member that is stretchable in the longitudinal direction (LD) and deformable in the width direction (WD).
- the band-like member 10 may be any so-called neck-in (hereinafter referred to as neck-in) that narrows in the width direction (WD) when it is elongated in the longitudinal direction (LD).
- neck-in neck-in
- the range of the neck-in for example, when the non-stretched state joined to the sanitary napkin body 5 is 100%, a range of 20 to 95% can be exemplified.
- a range of 50 to 80% can be exemplified.
- As the strip member 10 for example, a fibrous sheet using a thermoplastic elastomer resin may be used.
- non-woven fabrics containing a mixture of urethane fibers and synthetic fibers and non-woven fabrics containing a layer formed by melt blown elastomeric resin. Or a film sheet etc. can be illustrated.
- the fiber shape can be easily deformed when stretched in the longitudinal direction (LD) because the fiber orientation is mainly oriented in the width direction (WD). It becomes possible to neck in with low weight.
- the belt-like member 10 includes a grip portion 6 in each of the front region (F) and the rear region (R) in the longitudinal direction (LD).
- the gripping part 6 is provided so as to extend from the outer edge of the sanitary napkin main body 5 at each of both ends in the longitudinal direction (LD) of the belt-like member 10. Thereby, for example, the wearer can easily recognize the grip portion 6 and can prevent erroneous mounting at the time of mounting.
- the gripping part 6 only needs to be extended to such an extent that the wearer can pick it up with a finger or the like.
- the gripping portion 6 is preferably a non-stretched region.
- the sanitary napkin body 5 and the band-shaped member 10 are spaced from each other at predetermined intervals with the center in the width direction (WD) sandwiched between the two sides of the liquid permeable region 21 provided at the substantially central portion of the sanitary napkin 1. Joined at the separated joints 8R and 8L.
- the substantially central portion that is the liquid permeation region 21 in the longitudinal direction (LD) is the most necked-in place when the belt-like member 10 is expanded and contracted, and therefore the sanitary napkin body 5 at the substantially central portion of the sanitary napkin 1 It is preferable that the belt-like member 10 and the belt-like member 10 are joined.
- the distance between the joining portions 8R and 8L in the width direction (WD) can be exemplified by a range of 5 to 200 mm.
- the range of 30-80 mm can be illustrated. This is because the sanitary napkin body 5 cannot sufficiently rise when the band-like member 10 is necked in when the separation distance in the width direction (WD) of the joint portions 8R and 8L is smaller than 5 mm.
- the separation distance in the width direction (WD) of the joints 8R and 8L is greater than 200 mm, the sanitary napkin body 5 may be excessively raised, giving the wearer a sense of foreign matter.
- examples of the separation distance in the width direction (WD) of the joint portions 8R and 8L with respect to the length in the width direction (WD) of the sanitary napkin body 5 include a range of 5 to 95%. Preferably, a range of 30 to 80% can be exemplified.
- the distance between the sanitary napkin body 5 in the width direction (WD) of the sanitary napkin body 5 in the width direction (WD) of each of the 8R and 8L is less than 5%, when the belt-like member 10 is necked in, Napkin body 5 This is because it cannot be raised to the minute.
- the sanitary napkin body 5 in the width direction (WD) will rise too much. This is because the wearer may feel a foreign body.
- the bonding position of the band-shaped member 10 in the longitudinal direction (LD) needs to be bonded to the sanitary napkin body 5 so as not to sacrifice the extensibility of the band-shaped member 10.
- the band-shaped member 10 between the joints does not extend the sanitary napkin main body 5. Elongation does not occur.
- the joint portions 8R and 8L are arranged long in the longitudinal direction (LD)
- the sanitary napkin main body 5 does not expand, so that the belt-like member 10 does not expand in that region.
- the joining position is arranged at a place having little influence even if the extensibility of the belt-like member is not exhibited.
- the sanitary napkin body 5 does not deform so much in the vicinity of the excretion part in the longitudinal direction (LD) and maintains a substantially straight shape, but from the front and rear ends of the excretion part, it bends following the curvature of the body. start.
- the sanitary napkin body 5 can be lifted by extending the front and rear belt-like members 10 even if the extensibility of the belt-like member 10 does not directly act in the vicinity of the excretory part. This is because force acts in the direction in which the sanitary napkin body 5 is in close contact with the body.
- the joining range between the sanitary napkin main body 5 and the belt-like member 10, that is, the length of the joining portion in the longitudinal direction (LD) is preferably a position where the excretory part of the wearer is accommodated. Specifically, it is preferable that it is in the vicinity of the vaginal opening, and more preferably, the front area (F) and the center of the liquid permeable area 21 provided in the substantially central portion of the sanitary napkin body 5 in contact with the vaginal opening. It is preferable that each of the rear region (R) is within a range of 20 mm, and more preferably, each of the front region (F) and the rear region (R) is within a range of 1 to: LO mm. it can.
- the sanitary napkin body 5 in the width direction (WD) 1 is larger than 20 mm, the region where the stretchability of the belt-like member 10 is not exhibited becomes too large, and depending on the change in the wearer's posture, the sanitary napkin body 5 This is because there is a risk that the physical strength may easily leave. [0073] Further, in the width direction (WD), the sanitary napkin body 5 in the width direction (WD) 1
- a range of 0 to 100% can be exemplified. Preferably, it can be exemplified that it is in the range of 60 to 100%.
- WD width direction
- the fixing material include hot melt adhesives, embossing forces, sonic caloe and the like.
- the belt-like member 10 has locking portions 9f and 9r that lock with the undergarment 50 and the like on both ends in the longitudinal direction (LD).
- the locking portion 9f is locked with the underwear 50 and the like in the front region (F)
- the locking portion 9r is locked with the underwear 50 and the like in the rear region (R). This is because the sanitary napkin body 5 does not deform so much in the vicinity of the excretion part in the longitudinal direction (LD) and maintains a substantially straight shape, but starts to bend toward the body from the front and rear ends of the excretion part.
- the extension range of the belt-like member 10 is increased and the body is curved. This is because it can be lifted along. As a result, the stress of the belt-shaped member 10 is easily transmitted to the liquid permeable region 21 disposed in the vicinity of the excretion portion.
- the locking portions 9f and 9r are provided slightly closer to the center side in the longitudinal direction (LD) than both end portions of the belt-like member 10. This is because it is possible to prevent the locking material from sticking to a finger or the like when the wearer picks the grip portions 6 f and 6 r.
- Examples of the locking material used in the locking portions 9f and 9r include a hot melt adhesive, a hook material, and an adhesive material.
- the locking material used for the locking portion 9r provided in the rear region R may be a locking material with the undergarment 50 or a locking material with the wearer's body. That is, the locking part may be locked to the underwear 50 or the like, or may be locked to the wearer's body.
- the locking force by the locking material is greater than the contraction force of the belt-like member 10. It needs to be big. Therefore, it is preferable to set the locking force, that is, the shear stress, to be larger than the contraction force in the range of 5 to 500 cN / 25 mm.
- the sanitary napkin 1 is used in the first embodiment of the present invention. Will be described.
- the sanitary napkin 1 according to the first embodiment of the present invention includes a first usage mode and a second usage mode.
- the first and second mounting procedures for attaching the sanitary napkin 1 to the undergarment 50 to be locked in the process of mounting the sanitary napkin 1 are described. Will be described.
- the sanitary napkin 1 is disposed at a predetermined position of the underwear 50.
- the gripping portions 6f and 6r provided at both ends of the belt-like member 10 are gripped and pulled to the front region (F) and the rear region (R).
- the strip-shaped member 10 is extended.
- the locking portions 9f and 9r appear on the non-skin contact surface side of the band member 10 by pulling the band member 10.
- the belt-shaped member 10 is extended by a predetermined amount
- the locking portions 9f and 9r provided on the skin contact surface side at both ends of the belt-shaped member 10 are locked at predetermined positions of the underwear 50 that is a locked body. .
- the locking members of the locking portions 9f and 9r are attached to the underwear 50. At this time, each locking member is exposed by peeling off a release sheet (not shown) provided on the non-skin contact surface side of the locking portions 9f and 9r.
- the predetermined position of the undergarment 50 includes, for example, a predicted position where the liquid permeable region 21 of the sanitary napkin 1 can be brought into contact with the excretion part of the wearer.
- the strip member 10 is preferably attached to the undergarment 50 in a stretched state as much as possible.
- the band-shaped member 10 and the sanitary napkin body 5 are deformed into a gently curved shape, and the sanitary napkin is formed from the band-shaped member 10.
- the stress is transmitted to the body 5 toward the wearer's body.
- the belt-like member 10 is pushed up to the body side so as to lift the sanitary napkin body 5.
- the excretion part of the wearer or the groove near the excretion part and the sanitary napkin 1 can be brought into close contact with each other (see FIG. 7).
- the sanitary napkin 1 is arranged at a predetermined position. In this state, wear underwear 50.
- the grip portions 6f and 6r provided on the belt-shaped member 10 and follow the curvature of the body. Pull to the front area (F) and rear area (F).
- a cover member 15 to be described later is provided in this case, when the gripping portions 6f and 6r are pulled, the locking portions 9f and 9r provided on the non-skin contact surface side of the belt-like member 10 appear.
- the underwear 50 is locked at a predetermined position.
- the release sheet when a release sheet is provided in the locking portion 9r, the release sheet may be peeled off in advance, or may be peeled off after or before being pulled in the longitudinal direction (LD).
- the gripping portions 6f and 6r are gripped and the belt-like member 10 is pulled to the front region (F) and the rear region (R) and fixed to the undergarment 50.
- the belt-like member 10 and the sanitary napkin main body 5 are deformed into a gentle curved shape, and the belt-like member 10 is worn on the sanitary napkin main body 5. It conveys stress toward the person's body.
- the belt-like member 10 is pushed up to the body side so as to lift the sanitary napkin body.
- the excretion part of the wearer or the groove near the excretion part can be brought into close contact with the sanitary napkin 1 (see FIG. 7).
- the sanitary napkin body 5 is deformed into a convex shape by pulling the belt-like member 10. Specifically, as shown in FIG. 6B, when the belt-like member 10 is pulled, the belt-like member 10 becomes narrower at the substantially central portion in the longitudinal direction (LD) than at both ends (see FIGS. 6C and 16D). In order to generate a so-called neck-in, each of the joint portions 8L and 8R between the belt-like member 10 and the sanitary napkin body 5 approaches the force width direction (WD). As described above, as the joints 8L and 8R approach in the width direction (WD), the sanitary napkin body 5 joined to the belt-like member 10 projects and deforms so as to protrude toward the opposite side (FIG. 6C). reference). Therefore, the amount of deformation of the sanitary napkin body 5 can be adjusted by adjusting the amount of extension of the belt-like member 10.
- the usage mode in the present embodiment can be used without using the belt-like member 10 as another usage mode.
- the belt-like member 10 can be used again after the underwear 50 is worn.
- the second to fourteenth embodiments of the present invention will be described with reference to FIGS.
- the second embodiment shows another embodiment related to the expansion and contraction direction of the belt-like member 10.
- the third embodiment shows another embodiment relating to the belt-like member 10.
- the fourth to sixth embodiments show other embodiments in which a cover member 15 is provided.
- the seventh embodiment shows another embodiment relating to the locking portions 91R and 91L of the belt-like member 10.
- the eighth embodiment shows another embodiment relating to the arrangement position of the belt-like member 10.
- the ninth embodiment shows another embodiment in which the locking portion 9r of the belt-like member 10 is not provided.
- the tenth embodiment and the eleventh embodiment show other embodiments relating to the guide element of the belt-like member 10.
- the twelfth embodiment to the fourteenth embodiment show other embodiments relating to the suggestion of the liquid permeable region 21 of the sanitary napkin body 5.
- a sanitary napkin 1A according to the second embodiment of the present invention will be described with reference to FIGS. 8 to 12D.
- the sanitary napkin 1A according to the second embodiment is different from the first embodiment in the extending direction of the belt-like member 10A.
- the sanitary napkin body 5A and the belt-like member 10A are joined also in the front region (F) on one end side.
- the sanitary napkin 1A is formed such that, on the other end side, a part of the band-like member 10A extends from the outer edge on the other end side of the sanitary napkin body 5A. That is, it is formed to be stretchable only on the other end side.
- the sanitary napkin body 5A and the belt-like member 10A are joined to the joining portions 8f, 8R, and 8L.
- the joining position of the joint 8f between the sanitary napkin body 5A and the band-like member 10A is preferably the front region (F) from the wearer's vaginal opening when the sanitary napkin 1A is worn.
- F front region
- the position corresponding to the pubic bone in the vicinity of the vaginal opening is preferable.
- the position corresponding to the pubic bone is slightly raised than the surrounding area Therefore, the pressure from the undergarment 50 is increased, and the sanitary napkin body 5 is also displaced.
- the sanitary napkin body 5A does not bend due to the stress, so that the sanitary napkin body 5A is not displaced.
- the belt-like member 10A has locking portions 9f and 9r that are locked to the underwear 50 and the like on both end sides in the longitudinal direction (LD).
- the locking portion 9f is locked with the undergarment 50 or the like in the front region (F), and the locking portion 9r is locked with the underwear 50 or the like in the rear region (R).
- the locking portion 9f is preferably provided, for example, at a position facing the joining portion 8f where the sanitary napkin body 5A and the belt-like member 10A are joined.
- the joint 8f between the sanitary napkin body 5A and the belt-like member 10A is one of the starting points for the other end of the belt-like member 10A, and is therefore the place where the tension of the belt-like member 10A is most applied to the sanitary napkin body 5A side. This is because the sanitary napkin body 5A is displaced from the undergarment 50 at the location.
- the locking portion 9r is preferably slightly ahead of the rearmost end of the rear end portion of the belt-like member 10A, for example. This is because the vaginal loci are often greatly curved with the posterior force on the body, and the stretching range of the band-shaped member 10A is expanded by being on the rear side. In addition, because the belt-like member 10A extends along the curvature of the body, the stress by the belt-like member 10A is easily transmitted to the sanitary napkin body 5A located in the vicinity of the excretory part. Furthermore, it is possible to prevent the wearer from attaching a finger or the like when the wearer grips the grip portion 6A by providing it slightly forward from the rear end of the rear end portion of the band-shaped member 10A.
- the sanitary napkin 1A according to the second embodiment includes the first usage mode and the second usage mode.
- the first and second mounting procedures for attaching the sanitary napkin 1A to the undergarment 50, which is a body to be locked, in the mounting process of the sanitary napkin 1A. Will be described.
- the sanitary napkin 1A is arranged at a predetermined position of the underwear 50, and the engaging portion 9f provided on one end side of the belt-like member 10A is used as a front region (F) of the underwear 50. Lock to the location corresponding to.
- the grip portion 6A is gripped and pulled to the rear region (R). This one Thus, the belt-like member 10A is stretched.
- the locking portion 9r appears on the non-skin contact surface side of the belt-like member 10A by pulling the belt-like member 10A.
- the locking portion 9r provided on the non-skin contact surface side on one end side of the belt-like member 10A is locked at a predetermined position of the undergarment 50 that is a body to be locked.
- the locking material of each locking portion 9r is affixed to the underwear 50.
- the locking material is exposed by peeling off a release sheet (not shown) provided on the non-skin contact surface side of the locking portion 9r.
- the predetermined position of the undergarment 50 includes, for example, a predicted position at which the liquid permeable region 21 in the sanitary napkin 1A can be brought into contact with the excretion part of the wearer.
- the sanitary napkin 1A is disposed at the same position as in the first usage mode, and the engaging portion 9f provided on one end side of the belt-like member 10A is attached to the front region of the underwear 50. Lock to the location corresponding to (F). In this state, wear underwear 50. Next, a hand is put between the underwear 50 and the body from the rear region (R), the grip portion 6A provided on the belt-like member 10A is gripped, and pulled to the rear region (R) so as to follow the curvature of the body.
- the release sheet when a release sheet is provided in the locking portion 9r, the release sheet may be peeled off in advance, or may be peeled off before or after being pulled in the longitudinal direction (LD).
- the gripping portion 6A is picked and the strip member 10 is pulled to the rear region (R) and fixed to the undergarment 50, so that a tension in the longitudinal direction (LD) acts on the strip member 10A.
- the belt-like member 10A and the sanitary napkin body 5A are deformed into a gentle curved shape.
- the belt-like member 10A transmits stress from the belt-like member 10A to the sanitary napkin body 5A in the body direction of the wearer.
- the belt-like member 10A is pushed up to the body side so as to suspend the sanitary napkin body.
- the excretion part of the wearer or the groove near the excretion part can be brought into close contact with the sanitary napkin 1A.
- the sanitary napkin body 5 is deformed into a convex shape by pulling the belt-like member 10A.
- the belt-like member 10A becomes narrower than the end at a predetermined position in the longitudinal direction (LD) (see FIGS. 12C and 12D).
- the joint portions 8L and 8R between the band-like member 10A and the sanitary napkin body 5A approach each other in the force width direction (WD).
- the sanitary napkin body 5A joined to the belt-like member 10A is projected and deformed so as to rise in the opposite direction by approaching the joints 8L and 8R in the width direction (WD) (FIG. 12C). reference). Therefore, the amount of deformation of the sanitary napkin body 5A can be adjusted by adjusting the amount of extension of the belt-like member 10A.
- a sanitary napkin 1B according to a third embodiment of the present invention will be described with reference to FIGS. 13A and 13B.
- the sanitary napkin 1B according to the third embodiment of the present invention differs from the first embodiment in the joined state of the sanitary napkin body 5B and the belt-like member 10B.
- the sanitary napkin 1B includes joints 8R and 8L between the sanitary napkin main body 5B and the belt-like member 10B.
- a connecting band 80 for connecting 8L is joined to the connecting band 80 on one end side.
- the other end side of the belt-like member 10B is pulled in the longitudinal direction (LD), whereby the connecting band 80 is deformed, and the connecting band 80 in the sanitary napkin body 5B is deformed.
- Each of the joints 8R and 8L approaches the width direction (WD), and the distance in the width direction (WD) of the sanitary napkin body 5B becomes narrower.
- connection band 80 and the band-shaped member 10B may be formed of the same members or different members. That is, the connection band 80 and the band-shaped member 10B may be formed integrally.
- sanitary napkins 1C, 1D, and IE in the fourth to sixth embodiments will be described with reference to FIGS. 14 to 19B. As shown in FIGS. 14 to 19B, sanitary napkins 1C, 1D, and IE in the fourth to seventh embodiments differ from the first embodiment in that a cover member 15 is provided.
- the sanitary napkin 1C according to the fourth embodiment includes at least a part of the band-like member 10C on the non-skin contact surface side of the sanitary napkin main body 5C, as shown in FIGS. 14 to 16D.
- the cover member 15C is provided so as to wrap the container. More specifically, the cover member 15C encloses at least a part in the longitudinal direction (LD) of the belt-like member 10C and the whole in the width direction (WD).
- the belt-like member 10C is provided so as to be slidable between the sanitary napkin main body 5C and the cover member 15C starting from the joints 8f, 8R, and 8L.
- the cover member 15C and the sanitary napkin body 5C are joined on the non-skin contact surface side at both sides of the sanitary napkin 1C and the front end in the front region (F). Specifically, it is joined at both side portions of the back sheet portion 3 and the front end portion in the front region (F).
- the cover member 15C may be joined to the back sheet portion 3 in an extended state at both side portions of the sanitary napkin 1C and the front end portion in the front region (F). .
- the length of the cover member 15C in the longitudinal direction (LD) is preferably, for example, in the range of 10 to 100% of the length of the sanitary napkin body 5C in the longitudinal direction (LD). A range of ⁇ 90% can be exemplified. If the length of the cover member 15C in the longitudinal direction (LD) is less than 10%, for example, the degree of freedom between the sanitary napkin body 5C and the belt-like member 10C is too large, and there is a risk of shifting during wearing. It is. The length of the cover member 15C This is because, if the length in the direction (LD) is larger than 100%, for example, the belt-shaped member 10C is obstructed when being stretched and locked to the undergarment 50.
- the length in the width direction (WD) of the cover member 15C is, for example, preferably in the range of 30 to 150% of the length in the width direction (WD) of the sanitary napkin body 5C, more preferably 50 to :
- the range of L 10% can be exemplified. This is because if the length of the cover member 15C in the width direction (WD) is less than 30%, for example, the sanitary napkin body 5C cannot be sufficiently adhered to the body. In addition, if the length of the cover member 15C in the width direction (WD) is larger than 150%, for example, the area in contact with the thigh becomes excessive and there is a risk of causing skin troubles due to rubbing or the like. .
- the length in the width direction (WD) of the cover member 15C is preferably in the range of 100 to 200% of the length in the width direction (WD) of the belt-like member 10C, and more preferably 105 to A range of 150% can be exemplified. This is because, if the length in the width direction (WD) of the cover member 15C is smaller than 100%, for example, the belt-like member 10C cannot be stretched smoothly when it is stretched.
- the length of the cover member 15C in the width direction (WD) is greater than 200%, for example, the degree of freedom in the width direction (WD) of the band-shaped member 10C is too large, and therefore the central axis of the sanitary napkin body 5C and the band-shaped member This is because the center axis of 10C may be displaced.
- the cover member 15C may be made of a material similar to any of the constituent materials of the sanitary napkin body 5C, which may be made of a material different from the constituent materials of the sanitary napkin body 5C. In this case, each material may be formed continuously so as to extend.
- the top sheet portion 2 may be used continuously, or the back sheet portion 3 may be used continuously.
- the continuously provided sheets may be overlapped and joined on the non-skin contact surface side.
- the back sheet 3 of the sanitary napkin body 5C is 50% of the length in the width direction (WD) at the substantially central portion in the width direction (WD) on the non-skin contact surface side of the sanitary napkin body 5C. The above may be continued, and the extended sheets may be folded back, stacked, and joined (see FIG. 16D).
- the cover member 15D includes a sanitary napkin body. It may be placed in the 5D rear area (R). Further, as shown in FIG. 18A, both side portions of the cover member 15D may be folded inside the sanitary napkin main body 5D and joined to the back sheet portion 3. By providing in this way, it is possible to widen the gap between the back sheet portion 3 and the cover member 15D, and the belt-like member 10D can be easily expanded and contracted.
- the inertia member 16 may be disposed in each of the folded portions of the cover members 15D on both sides in the width direction (WD) of the sanitary napkin body 5D.
- the elastic force of the coasting material 16 acts to restore the twist, and the sanitary napkin main body 5D or band-shaped The twist of the member 10D can be prevented.
- the cover member 15E may be arranged so as to cover the locking portion 9r of the band-shaped member 10E.
- the gripping portion 6E of the belt-like member 10E extends from the outer edge of the rear region (R) in the longitudinal direction (LD) of the sanitary napkin body 5E, and the locking portion 9r Is covered with a cover member 15E.
- the cover member 15E by covering the locking portion 9r with the cover member 15E, for example, it is possible to prevent the locking portion 9r from sticking to other unintended locations until the belt-shaped member 10E is extended. it can.
- the gripping portion 6E for example, the wearer can easily grip the gripping portion 6E, so that the operability is improved.
- a silicone resin or the like may be coated on the surface side of the cover member 15E. It is preferable to coat silicon resin or the like because it is possible to prevent the locking portion 9r from sticking to the cover member 15E. Further, the surface of the locking portion 9r may be covered with a release sheet or the like.
- cover members 15E may be provided, it is preferable that they are disposed at least in the vicinity of the rear region (R) of the sanitary napkin body 5E. This is because by disposing the sanitary napkin body 5E in the vicinity of the rear region (R), it is possible to prevent the band-like member 10E from shifting the sanitary napkin body force during wearing.
- locking portions 91R, 91L with the undergarment 50 are provided on both sides of a substantially central portion in the longitudinal direction (LD) of the cover member 15F. Each may be provided. By arranging the locking portions 91R, 91L on both sides, the belt-like member 10 The underwear 50 can also be lifted to the body side by the tension of F, and for example, the sanitary napkin 1F and the underwear 50 can be prevented from shifting.
- a plurality of, for example, two locking portions 91R and 91L may be provided on both sides of the substantially central portion in the longitudinal direction (LD) of the cover member 15F.
- the cover member 15F may be provided in the entire width direction (WD) of the substantially central portion in the longitudinal direction (LD). Further, it may be provided from the substantially central portion to the rear region (R) of the cover member 15F. Furthermore, it may be provided on the entire cover member 15F.
- the coasting material 16 may be disposed in each of the folded portions of the cover members 15F on both sides in the width direction (WD) of the sanitary napkin body 5F.
- the elastic force of the coasting material 16 acts to restore the twist, and the sanitary napkin main body 5F or the belt-like body The twist of the member 10F can be prevented.
- a sanitary napkin 1G according to an eighth embodiment of the present invention will be described with reference to FIGS. 22A and 22B. As shown in FIGS. 22A and 22B, the eighth embodiment of the present invention is different from the first embodiment in the arrangement position of the belt-like member 10G.
- the belt-like member 10 is provided between the absorbent body part 4 and the back sheet part 3.
- the top sheet portion 2 and the back sheet portion 3 are joined at both side portions of the sanitary napkin 1G and at the front end portion in the front region (F).
- the band-like member 10G also extends an opening that is a non-joined portion in the rear region (R) of the sanitary napkin 1G.
- the belt-like member 10G may be arranged between the top sheet portion 2 and the absorber portion 4. Further, in the case where an absorber portion (not shown) is formed of a plurality of layers, a belt-like member 10G may be disposed between the absorber portions.
- the belt-like member 10G is preferably hydrophilic and liquid permeable. Thereby, it becomes possible to effectively obtain the excretion of excrement such as menstrual blood from the surface sheet portion 2 to the absorber portion 4.
- a sanitary napkin 1H according to the ninth embodiment of the present invention will be described with reference to FIG.
- the sanitary napkin 1H according to the ninth embodiment of the present invention is provided with a locking portion 9r that locks the underwear 50 on the belt-like member 10H in the rear region (R). And differ from the first embodiment.
- the sanitary napkin 1H according to the ninth embodiment may not include the locking portion 9r that locks the undergarment 50 in the rear region (R).
- Examples of usage in this case include the following. For example, after lowering the underwear 50 to near the wearer's knee, on the front area (F) and both sides of the sanitary napkin body 5H! Then, each of the locking portions 9f, 91R, 91L is fixed to the underwear 50 and the underwear 50 is worn. Next, put the hand between the underwear 50 and the body from the back side of the body, grip the gripping part 6H, pull the strip member 10H along the curvature of the body to the rear region (R), the groove near the excretion part, Specifically, it is sandwiched in a groove near the buttocks.
- the sanitary napkins II and 1J according to the tenth and eleventh embodiments of the present invention will be described with reference to FIGS. 24 to 26C.
- the sanitary napkins II and U in the tenth embodiment and the eleventh embodiment of the present invention differ from the first embodiment in that they include guide elements.
- the sanitary napkins II and 1J in the tenth embodiment and the eleventh embodiment may include the guide elements 70 indicating the extending directions of the strip members 101 and 10J in the gripping portions 6Ir, 6If, and 6J. Good.
- the guide element 70 for example, an indicator mark sheet such as an arrow, a symbol, an illustration, a character, a color or a color gradation, or a guide element having tactile sensation by embossing or the like can be exemplified.
- the guide element 70 may be attached by pattern-fitting hot melt adhesive on the skin contact surface side or non-skin contact surface side of the gripping portions 6Ir, 6If, 6J, for example.
- the base material sheets 11 and 13 in the gripping parts 6Ir, 6If and 6J can be bonded together.
- a guide mark sheet printed on a guide mark or the like may be used and held between the base material sheets 11 and 13. Further, it may be printed directly on the base material sheets 11 and 13.
- the gripping portions 6If, 6Ir extend from the outer edges in the front region (F) and rear region (R) in the longitudinal direction (LD) of the sanitary napkin body 51.
- the gripping portions 6If and 6Ir may have a color different from that of the peripheral portion of the belt-like member 101.
- symbols, illustrations, characters, etc. may be used.
- the shape of the gripping portions 6If and 6Ir may be triangular, round, elliptical, corrugated, or the like.
- the gripping portion 6J extends from the outer edge in the rear region (R) in the longitudinal direction (LD) of the sanitary napkin body 5J, and the skin contact surface side of the gripping portion 6J is exposed. Therefore, for example, the location of the grip portion 6J by the wearer can be easily recognized, and the operability is improved. Further, for example, the gripping portion 6J may have a different color from the peripheral portion of the belt-like member 10J. Further, for example, symbols, illustrations, characters, etc. may be used. Further, for example, the shape of the gripping portion may be triangular, round, elliptical, corrugated, or the like.
- a guide element 70 ′ that suggests the position of the locking portions 9f, 9r with the underwear 50 may be provided on the gripping portions 6If, 6Ir.
- FIG. 25 illustrates a sanitary napkin 1 ⁇ in which a locking material is arranged at the locking portions 9f and 9r with the undergarment 50, and a colored sheet is arranged on the surface side.
- a colored sheet can be exemplified.
- the guide element 70 ′ include embossing, printing, and colored hot melt adhesive.
- the belt-like member 10 ⁇ may be made of a highly transparent sheet, and the locking portions 9f and 9r provided on the back sheet portion 3 side may be visible.
- FIG. 27A to 29 the force of the twelfth embodiment of the present invention is also different from that of the first embodiment in that sanitary napkins 1K, 1L, and 1M in the fourteenth embodiment are provided with guide elements.
- the sanitary napkins 1K, 1L, and 1M in the twelfth embodiment to the fourteenth embodiment may include a guide element that suggests the liquid permeable region 21 of the sanitary napkin 1.
- wings Wl and W2 are provided on both sides of a sanitary napkin 1K, and the substantially central part in the width direction (WD) of the wings Wl and W2 is provided. It may be suggested that there is a liquid permeable region 21.
- guide elements 71 of different colors are provided at predetermined positions on both sides of the sanitary napkin 1L, and the width direction (WD) of the guide elements 71 It may be suggested that the liquid permeation region 21 is present at the substantially central portion.
- a guide element 72 that suggests the rear region (R) may be provided at a predetermined position of the grip portion 6M of the belt-like member 10M.
- the guide element 72 can be provided by embossing, colored hot melt, printing, or the like. Further, it may be suggested by making the color different from that of the peripheral area. It may also be suggested by color gradation, symbols, illustrations, characters, figures, etc.
- this case may be used as an auxiliary pad on the skin contact surface side of another sanitary napkin body.
- the sanitary napkin body used in combination is preferably smaller than the length in the width direction (WD) and the longitudinal direction (LD).
- the auxiliary pad of this case is composed entirely of liquid-permeable material or uses liquid-impermeable material.
- the strip-shaped member according to the present invention extends the absorbent article main body force, and can be used as a strip tape for post-processing when a locking member is provided.
- the surface sheet portion 2 is disposed on the body side and in contact with the excretion portion when in use.
- the entire surface sheet portion 2 may be liquid permeable or may be partially liquid permeable.
- a plurality of sheet-like members which may be composed of a single sheet-like member, are bonded together. It may be configured.
- a sheet-like material having liquid permeability such as a woven fabric, a nonwoven fabric, or a perforated plastic sheet
- natural fibers and chemical fibers can be exemplified as woven and non-woven materials.
- natural fibers include cellulose such as pulverized pulp and cotton.
- chemical fibers include regenerated cellulose such as rayon and fibrillar rayon, semi-synthetic cellulose such as acetate and triacetate, thermoplastic thermoplastic chemical fibers, or thermoplastic hydrophobic chemical fibers that have been subjected to hydrophilic treatment. it can.
- thermoplastic hydrophobic chemical fibers include single fibers such as polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET), and fibers obtained by graft polymerization of polyethylene (PE) and polypropylene (PP).
- composite fibers such as a core-sheath structure
- examples of the web forming include dry methods such as a card method, a spun bond method, a melt blown method, and an airlaid method, and wet methods. Further, the web forming may be a combination of the dry type and the wet type.
- the bonding method includes forces such as thermal bonding, needle punching, and chemical bonding. The method is not particularly limited to these methods. You can also use a spunlace formed into a sheet by hydroentanglement.
- porous plastic sheet examples include a porous sheet made of thermoplastic resin such as polyethylene (PE), polypropylene (PP), and polyethylene terephthalate (PET), and a porous foam material.
- PE polyethylene
- PP polypropylene
- PET polyethylene terephthalate
- the perforated plastic sheet is preferably used after being made white turbid by mixing a filler such as titanium oxide or calcium carbonate in a range of 0.5 to 10%.
- a film obtained by opening a thermoplastic resin film by perforation, heat embossing force, machining, or the like may be used.
- the perforated film may be used as a composite sheet with a nonwoven fabric.
- the absorbent body 4 is preferably bulky as long as excrement such as menstrual blood can be retained and absorbed, and is less likely to lose its shape and less chemical irritation.
- ground pulp Cellulose such as cotton, regenerated cellulose such as rayon and fibril rayon, semi-synthetic cellulose such as acetate and triacetate, particulate polymer, fibrous polymer, thermoplastic hydrophobic chemical fiber, or thermoplastic with hydrophilic treatment Hydrophobic chemical fibers, chemically bonded airlaid pulp, etc. can be used alone or in combination.
- the method for forming these materials into the absorbent body part 4 is not particularly limited, but examples include the airlaid method, the meltblown method, the spunlace method, and the papermaking method.
- the sheet is used.
- the absorbent body 4 a cellulose foam, a continuous foam of a synthetic resin, or the like can also be used. Further, it is also possible to use a foam or a material obtained by pulverizing the sheeted material and then molding it into an absorbent body.
- pulp is mixed in the range of 80 to 100%
- particulate polymer is mixed in the range of 20 or less, coated with tissue, then sheeted by embossing 100 to 2000 g, bulk is 1 to 50 mm
- the absorber is preferred.
- the embossing is for preventing the absorber from losing its shape, and the embossed area ratio is preferably in the range of 10 to 100%, more preferably in the range of 30 to 80%.
- the material of the absorbent body 4 include an absorbent sheet and a polymer sheet.
- the thickness of the absorbent sheet and the polymer sheet is preferably 0.3 to 5. Omm.
- the absorbent sheet and the polymer sheet may be those used for absorbent articles such as sanitary napkins! ,.
- Examples of the absorbent sheet include absorbent paper, nonwoven fabric, and pulp sheet in which fibers are formed into a sheet with a binder.
- Examples of the polymer sheet include pulverized pulp and a sheet formed by mixing a particulate polymer into a fiber and the like.
- the sheet formed by mixing the particulate polymer with the fiber to form a sheet it is possible to exemplify a deviation although the particulate polymer is dispersed in a layered form or a three-dimensionally dispersed form. .
- the material used for the absorbent sheet and the fibers used in the polymer sheet include, for example, cellulose fibers such as wood pulp, regenerated cellulose fibers such as rayon and cupra, and hydrophilic synthetic fibers such as polyvinyl alcohol fibers and polyacrylonitrile fibers.
- Fiber or circle Cellulose fibers are more preferred in consideration of the hydrophilicity preferred by polyethylene, polypropylene, polyethylene terephthalate, polyethylene / polypropylene composite fibers, polyethylene z polyethylene terephthalate composite fibers whose surfaces have been hydrophilized with surfactants, etc.
- particulate polymer used in the polymer sheet for example, a polymer that can absorb and hold a liquid 20 times or more of its own weight and can be gelled is preferable.
- a polymer that can absorb and hold a liquid 20 times or more of its own weight and can be gelled is preferable.
- starch, crosslinked carboxymethylated cellulose, polyacrylic acid and salts thereof, and polyacrylate graphene polymer can be exemplified.
- thermoplastic film mainly composed of polyethylene (PE), polypropylene (PP) or the like, a breathable resin film, a breathable resin film on a nonwoven fabric such as spunbond or spunlace. Bonded ones, multiple layers of SMS (spunbond 'melt blow' spunbond), etc. can be used.
- a film mainly composed of low-density polyethylene (LDPE) resin and having a basis weight of 15 to 30 gZm 2 is preferable. This is because it has flexibility and does not impair the wearing feeling.
- LDPE low-density polyethylene
- liquid-permeable sheet when a liquid-impermeable sheet is used for the belt-shaped portion, the liquid-permeable sheet similar to the surface sheet portion 2 can be used for the back surface sheet portion 3.
- top sheet portion 2 and the absorbent body portion 4 are joined so that each is bonded with a hot melt adhesive. Further, the top sheet portion 2 and the back sheet portion 3 are bonded together by a bonding portion formed by hot melt adhesive, thermocompression bonding, or the like. In general, the surfaces of the sheets are bonded to each other with a hot melt adhesive, and the end portions of the sheets are bonded to each other by bonding portions formed by thermocompression bonding.
- the bonding is not limited to the above hot melt bonding, and for example, heat embossing, ultrasonic waves or the like may be used alone or in combination!
- Examples of the coating pattern in the case of joining by hot melt bonding include spiral coating, control seam coating, coater coating, curtain coater coating, and summit gun coating.
- Basis weight of the adhesive in the hot melt adhesive is, l ⁇ 30gZm 2 virtuous Furthermore, it is preferably 3 to 10 g / m 2 . Also, in the case of a pattern in which the adhesive is applied in a linear form, it is preferable that the wire diameter is 30 to 300 ⁇ m! /.
- a fibrous sheet using a thermoplastic elastomeric resin may be used as the strip member 10.
- a nonwoven fabric in which urethane fiber and synthetic fiber are mixed a nonwoven fabric including a layer obtained by molding elastomer resin with a melt blown, or a film sheet can be exemplified.
- the band-shaped member 10 may be a composite of base sheets 11 and 13 and a coasting material 12.
- the band-like member 10 ′ made of a composite for example, the elastic material 12 is applied to the base sheet 11 or 13 whose fiber orientation is randomly oriented or which is mainly oriented in the width direction (WD) of the band-like member.
- WD width direction
- the fiber orientation of the base sheets 11 and 13 is mainly directed in the width direction (WD) of the band-shaped member, so that the fiber shape can be easily formed when the band-shaped member 10 ′ is extended in the longitudinal direction (LD). It can be deformed, and the band-shaped member can be easily plugged in at a low load.
- the base sheets 11 and 13 are arranged so as to be orthogonal to the inertia material 12 by randomizing the fiber orientation by, for example, providing a peripheral speed difference during web forming, or by inverting the normal orientation nonwoven fabric by 90 degrees. May be.
- the base material sheets 11 and 13 of the belt-like member 10 can each use the liquid permeable sheet exemplified as the top sheet portion 2.
- the substrate sheets 11 and 13 may be spunbonded nonwoven fabrics, pointbonded nonwoven fabrics, spunlace nonwoven fabrics, etc. as long as they are thin nonwoven fabrics. This is because the smoothness of the stretched state of the band-shaped portion is enhanced with a thin nonwoven fabric.
- the non-woven fabric is damaged during the wavy embossing, so that the spunbond also has continuous fiber force.
- the back surface sheet portion 3 is a liquid permeable sheet
- the base material sheets 11 and 13 of the belt-like member 10 can each use the liquid impermeable sheet exemplified as the back surface sheet portion 3.
- the liquid-impermeable sheet may be only on the skin contact surface side or on both the skin contact surface side and the non-skin contact surface side with respect to the inertia material.
- the elastic material 12 may be an elastic yarn of natural rubber or polyurethane.
- an elastomer component, a foamed polyethylene foam, etc. can be used alone, or those blended with these can be molded into a thread, band or sheet.
- elastomer components include polyester-based, urethane-based, polyolefin-based, styrene-based, and polyamide-based thermoplastic elastomers, low-density polyethylene using a meta-octacene catalyst, and ethylene- a -olefin. Polymerization etc. can be illustrated. These may be used alone or in combination.
- polyester elastomers include those in which aromatic polyester is used as a node segment and amorphous polyether or aliphatic polyester is used as a soft segment.
- urethane-based elastomers are polyurethanes such as polyester, low molecular weight daricol, and methyl bisphenol isocyanate. Addition polymerization of polyisocyanate in the presence of short-chain polyols to polylatathone ester polyols. This can be illustrated.
- olefin-based elastomers include ethylene ⁇ -olefin random copolymers and copolymers of gen as a third component.
- Examples of the styrene-based elastomer include block copolymers such as SEBS, SIS, SEPS, and SBS.
- polyamide elastomers include those in which nylon is used as a node segment and polyester or polyol is used as a soft segment.
- high-density polyethylene, low-density polyethylene, linear low-density polyethylene, and the like may be mixed in the constituent polymer of one elastomer component in order to stabilize the molding of the coasting material.
- polyurethane elastic yarn is preferable because it has little influence on heat and strain.
- Examples of the bonding material used for bonding the base material sheets 11 and 13 and the elastic material 12 or bonding the base material sheet 11 and the base material sheet 13 include heat embossing, ultrasonic waves, and a hot-melt adhesive.
- a single material or a combination of these materials can be used.
- hot melt adhesive is applied to the base material sheet 11 by a coating method such as spiral coating, coater coating, curtain coater single coating, summit gun coating, etc.
- the base material sheet 13 is overlaid and joined thereto. Apply the coating method such as slit coating or control seam coating to the coasting material 12 in advance so that the coasting material 12 can release the force of the base material sheet 11 and 13! .
- hot melt adhesives include pressure sensitive adhesives mainly composed of rubbers such as SEBS, SBS, and SIS, and olefins such as linear low density polyethylene, heat sensitive adhesives, and high water solubility.
- water-sensitive adhesives such as polyvinyl alcohol, carboxymethyl cellulose, gelatin, and the like, or polyvinyl acetate and sodium polyacrylate having water-swellable polymer power.
- a heat-sensitive adhesive that does not have tackiness at that time.
- Specific examples include 5-25% SEBS, 40-60% alicyclic saturated hydrocarbons, 1-10% aromatic modified terpenes and 15-35% additives in the range of 15-35%. Can be illustrated.
- a hot-melt adhesive can be used as the locking member in the locking portion 9 that locks the sanitary napkin body and the undergarment 50.
- the hot melt adhesive it is preferable to have tackiness at room temperature, for example, a pressure sensitive adhesive can be exemplified.
- the main components of this adhesive are the same as those exemplified as the above-mentioned bonding material. Specifically, SEB S is 15 to 25%, plasticizer is 15 to 35%, and tackifier is 40 to 70. Examples are those melt-mixed in the range of%.
- an antioxidant, an anti-fluorescent agent, etc. may be added in the range of 0.1 to 1.0%.
- the basis weight is 10 ⁇ 200gsm by coater coating, bead coating, etc. It is applied in a uniform, streak-like or dot-like pattern.
- An acrylic adhesive may also be used. Further, it is possible to use a plurality of hook portions standing on the surface of each tape-shaped portion for locking.
- the tape-shaped portion is formed by extruding a thermoplastic synthetic resin such as polypropylene, and the rib structure portion formed integrally with the tape portion is subjected to a process such as cutting and cutting.
- a hook portion is formed on the surface.
- a hook part may be formed by cutting a monofilament loop made of a thermoplastic synthetic resin provided on the surface of the tape-like part also with a lateral force.
- the end surface of the hook portion may be rounded.
- the hooks may have rounded ends. Specifically, it can be exemplified that the top of the hook is rounded by the shape of the mold.
- the cross-sectional shape of the hook portion is not particularly limited, and examples thereof include a tapered shape and a T-shape.
- the engaging portion 9 on the skin contact surface side of the belt-like member 10, the engaging portion 9 that is not fixed to the underwear 50 but is fixed to the wearer's body side is highly water-soluble.
- examples include molecules, cross-linking agents, plasticizers, gel pressure-sensitive adhesives having water component, and the like.
- the water-soluble polymer include gelatin, sodium polyacrylate, polybutyl alcohol, carboxymethyl cellulose and the like.
- the crosslinking agent include water-soluble metal salts such as calcium chloride and magnesium sulfate
- the plasticizer include glycerin, wax, and paraffin.
Landscapes
- 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)
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200780025884.4A CN101495076B (zh) | 2006-06-02 | 2007-06-01 | 吸收性物品 |
US12/302,397 US8585673B2 (en) | 2006-06-02 | 2007-06-01 | Absorbent article |
EP07744592A EP2025314A4 (en) | 2006-06-02 | 2007-06-01 | ABSORBENT ARTICLE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-155115 | 2006-06-02 | ||
JP2006155115A JP4819580B2 (ja) | 2006-06-02 | 2006-06-02 | 吸収性物品 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007142146A1 true WO2007142146A1 (ja) | 2007-12-13 |
Family
ID=38801402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/061205 WO2007142146A1 (ja) | 2006-06-02 | 2007-06-01 | 吸収性物品 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8585673B2 (ja) |
EP (1) | EP2025314A4 (ja) |
JP (1) | JP4819580B2 (ja) |
KR (1) | KR101208765B1 (ja) |
CN (1) | CN101495076B (ja) |
WO (1) | WO2007142146A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017029243A (ja) * | 2015-07-29 | 2017-02-09 | 日本製紙クレシア株式会社 | 吸収性物品 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5154143B2 (ja) * | 2006-06-02 | 2013-02-27 | ユニ・チャーム株式会社 | 吸収性物品 |
JP4890947B2 (ja) * | 2006-06-02 | 2012-03-07 | ユニ・チャーム株式会社 | 吸収性物品 |
JP5154106B2 (ja) * | 2006-06-02 | 2013-02-27 | ユニ・チャーム株式会社 | 吸収性物品 |
JP4819580B2 (ja) | 2006-06-02 | 2011-11-24 | ユニ・チャーム株式会社 | 吸収性物品 |
JP4976066B2 (ja) * | 2006-06-30 | 2012-07-18 | 大王製紙株式会社 | 吸収性物品 |
US8480387B2 (en) | 2010-08-12 | 2013-07-09 | Johnson & Johnson Do Brasil Industria E Comercio Produtos Para Saude Ltda. | Apparatus for making a fibrous article having a three dimensional profile |
US8388329B2 (en) | 2010-08-12 | 2013-03-05 | Johnson & Johnson Do Brasil Industria E Comercio Produtos Para Saude Ltda. Rodovia | Apparatus for making a fibrous article |
US8394316B2 (en) | 2010-08-12 | 2013-03-12 | Johnson & Johnson Do Brasil Industria E Comercio Produtos Para Saude Ltda. Rodovia | Method for making a fibrous article |
US8398915B2 (en) | 2010-08-12 | 2013-03-19 | Johnson & Johnson do Brasil Industria e Comercio Produtos Paral Saude Ltda. Rodovia | Method for making a fibrous article |
USD692557S1 (en) | 2010-12-22 | 2013-10-29 | Kimberly-Clack Worldwide, Inc. | Feminine pad |
KR101470249B1 (ko) * | 2013-12-16 | 2014-12-05 | 채주석 | 생리대 |
US10271997B2 (en) | 2014-04-08 | 2019-04-30 | The Procter & Gamble Company | Absorbent articles having substrates having zonal treatments |
CN108601683A (zh) | 2016-02-29 | 2018-09-28 | 金伯利-克拉克环球有限公司 | 具有平背保护特征的吸收性制品 |
BR112018016123B1 (pt) | 2016-02-29 | 2023-03-28 | Kimberly-Clark Worldwide, Inc | Artigo absorvente |
JP6147882B1 (ja) * | 2016-03-01 | 2017-06-14 | ユニ・チャーム株式会社 | 吸収パッド |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH03101933U (ja) | 1990-02-05 | 1991-10-23 | ||
JPH1199179A (ja) | 1997-09-30 | 1999-04-13 | Uni Charm Corp | 生理用ナプキン |
JPH11510071A (ja) * | 1995-08-02 | 1999-09-07 | ザ、プロクター、エンド、ギャンブル、カンパニー | 弾性部材を有する使い捨て可能な吸収性物品 |
JP2003038574A (ja) * | 1991-07-23 | 2003-02-12 | Procter & Gamble Co:The | 伸長自在な吸収性物品 |
JP2003310659A (ja) * | 2002-04-26 | 2003-11-05 | Kao Corp | 吸収性物品 |
JP2005095510A (ja) | 2003-09-26 | 2005-04-14 | Crecia Corp | 尿取りパッド |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
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US5702382A (en) * | 1990-06-18 | 1997-12-30 | The Procter & Gamble Company | Extensible absorbent articles |
MY111597A (en) * | 1992-07-23 | 2000-09-27 | Procter & Gamble | Menstrual shorts having improved fastening system |
KR100298057B1 (ko) | 1992-09-21 | 2001-10-24 | 데이비드 엠 모이어 | 형상화수단을가진생리대 |
DK0589102T4 (da) * | 1992-09-21 | 2003-04-22 | Procter & Gamble | Hygiejnebind med facondannende organ |
EG20712A (en) * | 1993-07-23 | 1999-12-29 | Procter & Gamble | Stretchable absorbent structure |
US6413249B1 (en) * | 1998-06-12 | 2002-07-02 | First Quality Enterprises, Inc. | Disposable absorbent article having elastically contractible waist and sides |
WO2002094155A1 (fr) * | 2001-05-22 | 2002-11-28 | Uni-Charm Corporation | Serviette interlabiale |
JP4426163B2 (ja) * | 2001-10-02 | 2010-03-03 | ユニ・チャーム株式会社 | 吸収性物品の個別包装体およびその製造方法 |
JP4002766B2 (ja) * | 2002-01-15 | 2007-11-07 | ユニ・チャーム株式会社 | 吸収性物品 |
US7240375B2 (en) * | 2002-07-24 | 2007-07-10 | Christine Martz | Waistless underwear alternative secret pants shield |
JP5154143B2 (ja) * | 2006-06-02 | 2013-02-27 | ユニ・チャーム株式会社 | 吸収性物品 |
JP5154106B2 (ja) * | 2006-06-02 | 2013-02-27 | ユニ・チャーム株式会社 | 吸収性物品 |
JP4819580B2 (ja) * | 2006-06-02 | 2011-11-24 | ユニ・チャーム株式会社 | 吸収性物品 |
JP4890947B2 (ja) | 2006-06-02 | 2012-03-07 | ユニ・チャーム株式会社 | 吸収性物品 |
JP4790528B2 (ja) | 2006-07-25 | 2011-10-12 | ユニ・チャーム株式会社 | 補助パッド及び補助パッド付き吸収性物品 |
JP5144917B2 (ja) * | 2006-11-17 | 2013-02-13 | ユニ・チャーム株式会社 | 吸収性物品 |
JP5224794B2 (ja) * | 2007-12-05 | 2013-07-03 | ユニ・チャーム株式会社 | 吸収性物品 |
-
2006
- 2006-06-02 JP JP2006155115A patent/JP4819580B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-01 EP EP07744592A patent/EP2025314A4/en not_active Withdrawn
- 2007-06-01 US US12/302,397 patent/US8585673B2/en not_active Expired - Fee Related
- 2007-06-01 WO PCT/JP2007/061205 patent/WO2007142146A1/ja active Application Filing
- 2007-06-01 CN CN200780025884.4A patent/CN101495076B/zh not_active Expired - Fee Related
- 2007-06-01 KR KR1020087025789A patent/KR101208765B1/ko not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH03101933U (ja) | 1990-02-05 | 1991-10-23 | ||
JP2003038574A (ja) * | 1991-07-23 | 2003-02-12 | Procter & Gamble Co:The | 伸長自在な吸収性物品 |
JPH11510071A (ja) * | 1995-08-02 | 1999-09-07 | ザ、プロクター、エンド、ギャンブル、カンパニー | 弾性部材を有する使い捨て可能な吸収性物品 |
JPH1199179A (ja) | 1997-09-30 | 1999-04-13 | Uni Charm Corp | 生理用ナプキン |
JP2003310659A (ja) * | 2002-04-26 | 2003-11-05 | Kao Corp | 吸収性物品 |
JP2005095510A (ja) | 2003-09-26 | 2005-04-14 | Crecia Corp | 尿取りパッド |
Non-Patent Citations (1)
Title |
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See also references of EP2025314A4 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017029243A (ja) * | 2015-07-29 | 2017-02-09 | 日本製紙クレシア株式会社 | 吸収性物品 |
Also Published As
Publication number | Publication date |
---|---|
US8585673B2 (en) | 2013-11-19 |
US20090281515A1 (en) | 2009-11-12 |
CN101495076B (zh) | 2012-11-21 |
CN101495076A (zh) | 2009-07-29 |
JP2007319544A (ja) | 2007-12-13 |
KR101208765B1 (ko) | 2012-12-05 |
KR20090024107A (ko) | 2009-03-06 |
EP2025314A4 (en) | 2011-08-10 |
JP4819580B2 (ja) | 2011-11-24 |
EP2025314A1 (en) | 2009-02-18 |
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