WO2020137757A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2020137757A1
WO2020137757A1 PCT/JP2019/049674 JP2019049674W WO2020137757A1 WO 2020137757 A1 WO2020137757 A1 WO 2020137757A1 JP 2019049674 W JP2019049674 W JP 2019049674W WO 2020137757 A1 WO2020137757 A1 WO 2020137757A1
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WO
WIPO (PCT)
Prior art keywords
absorbent article
adhesive
fold line
virtual
clothing
Prior art date
Application number
PCT/JP2019/049674
Other languages
English (en)
Japanese (ja)
Inventor
智之 藤田
俊幸 谷尾
雅史 北川
Original Assignee
ユニ・チャーム株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2018248328A external-priority patent/JP7090541B2/ja
Priority claimed from JP2018248210A external-priority patent/JP7090540B2/ja
Application filed by ユニ・チャーム株式会社 filed Critical ユニ・チャーム株式会社
Priority to CN201980086817.6A priority Critical patent/CN113271901B/zh
Publication of WO2020137757A1 publication Critical patent/WO2020137757A1/fr

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

Definitions

  • the present invention relates to absorbent articles.
  • absorbent articles such as sanitary napkins, panty liners, and incontinence pads prevent wearer's excretion from leaking and are worn for a long time while contacting the wearer's crotch area. , It is required to fit the body well and comfortably.
  • Absorbent articles may be used by sticking to the skin-facing side of clothing.
  • One of the means for adhering the absorbent article to the clothes is to provide an adhesive material on the side of the absorbent article facing the clothes.
  • an absorber is interposed between a liquid-permeable top sheet and a liquid-impermeable back sheet, and a slip-preventing pressure-sensitive adhesive layer provided with a hot-melt adhesive is provided on the outer surface side.
  • the non-woven fabric is provided on the outer surface of the back sheet having liquid impermeability, and the basis weight of the nonwoven fabric is 14 to 18 g/m 2 . Discloses an article.
  • Patent Document 2 is an absorbent article having a liquid-retaining absorbent layer and a liquid-impermeable layer, and a non-skin contacting surface provided with a displacement-preventing adhesive, wherein the non-skin contacting surface is a fiber assembly.
  • the displacement preventing adhesive composed of a hot melt adhesive has a laminated structure of a first layer on the non-skin contact surface side and a second layer laminated on the first layer.
  • the hot melt adhesive forming the first layer discloses an absorbent article having higher fluidity in the vicinity of the softening point temperature than the hot melt adhesive forming the second layer.
  • the absorbent article having such a configuration does not reduce the adhesive strength of the pressure-sensitive adhesive even when the non-skin contact surface is composed of a fiber aggregate, and, conversely, absorbability It is described that it is possible to obtain a good anti-displacement property in which the adhesive does not migrate to the clothes to which the article is fixed or the side of another absorbent article, that is, so-called adhesive residue does not occur.
  • Patent Document 3 has a contact surface that comes into contact with the skin, a non-contact surface, and a liquid-absorbent core that is located between these surfaces, and the non-contact surface is formed with an adhesive fastening area for clothes.
  • a high-density thermoplastic resin is bonded to at least a lower surface side of the core, and a first thermoplastic synthetic material having a lower density than the resin layer is bonded to the lower surface of the resin layer.
  • a fibrous layer is located and a fastening area is formed by an adhesive applied to the lower surface of the first resin layer.
  • the adhesive that serves as a means for fastening to clothes is entangled with the fibers of the synthetic fiber layer even if the adhesive strength is weak, and It is described that the resin layer prevents the internal migration to the back sheet.
  • JP 2002-355266 A JP, 2005-305135, A Japanese Patent Laid-Open No. 2000-210328
  • an absorbent article that is used by being attached to a garment with an adhesive material that is disposed on the garment facing surface is used as an absorbent article and a wearer. It is necessary to attach the absorbent article to an appropriate position of the clothes from the viewpoints of matching the positional relationship, particularly, in that the excretory opening contact area is brought into contact with the excretory opening of the wearer.
  • the entire adhesive portion of the clothing contact surface of the absorbent article is not attached to the clothing, but only a part of the adhesive portion is attached to the appropriate position. It is conceivable to perform “temporary fixing” several times to align the absorbent article with an appropriate position on the clothes, and then perform “main fixing” in which the entire adhesive portion is attached to the clothes and fixed.
  • the first object of the present invention is to provide an absorbent article which can be easily temporarily fixed to clothes.
  • the tackiness of the adhesive material is too high for temporary fixing, it may be difficult to remove the absorbent article from the clothes, and it may be difficult to repeat temporary fixing of the absorbent article.
  • the tackiness of the adhesive material is too low in the temporary fastening, the tackiness between the absorbent article and the clothing in the final fastening is not sufficient, and the absorbent article may shift or come off from the appropriate position of the clothing during use. There is a case.
  • a second object of the present invention is to provide an absorbent article, which can be easily attached repeatedly to clothing during temporary fastening, and which can easily be maintained at an appropriate position on the clothing after final fastening.
  • the purpose is to provide.
  • the absorbent article in the unfolded state, overlaps with the adhesive material in the thickness direction, and has a virtual fold line for bending the absorbent article so that the clothing facing surface side is convex
  • the pressure-sensitive adhesive material has a pressure-sensitive adhesive portion that is present on the surface of the sheet facing the clothing side
  • the adhesive portion has a virtual fold line peripheral portion and an adjacent portion adjacent to the virtual fold line peripheral portion, The portion around the virtual fold line is 1 from the virtual fold line in the direction orthogonal to the virtual fold line in the plane of the absorbent article, where d is the average thickness of the absorbent article in the expanded state.
  • a portion within a length range of /2 ⁇ d, and the thickness of the peripheral portion of the virtual folding line is larger than the thickness of the adjacent portion, Absorbent article.
  • the absorbent article of Aspect 1 has a virtual folding line where the clothing facing surface is convex, and the absorbent article is bent along the line to form a convex shape, and the convex shape is used as a starting point. Easy to temporarily fix.
  • the absorbent article according to aspect 1 is orthogonal to the virtual fold line in the plane of the absorbent article, where d is the average thickness of the adhesive portion in the vicinity of the virtual fold line, that is, in the developed state of the absorbent article. Since the thickness of the portion within the length range of 1 ⁇ 2 ⁇ d from the imaginary folding line in the direction of rotation is large, the adhesive force of the portion is large. On the other hand, since the thickness of the adjacent portion adjacent to the virtual fold line peripheral portion is smaller than that of the virtual fold line peripheral portion, the adhesive force is small.
  • the peripheral portion of the virtual fold line overlaps with the substantially arcuate portion of the convex portion, and therefore alignment is performed using this convex shape as a starting point.
  • the absorbent article can be temporarily fixed to the clothes with a high adhesive force, and the absorbent article is unlikely to shift during temporary fixing.
  • the adjoining portion has a small adhesive force, even if the adjoining portion adheres to the clothing at the time of temporary fastening, the portion can be easily peeled off when the temporary fastening portion is peeled off and reattached. That is, in the absorbent article of the first aspect, there are few portions that are bonded to the clothes with a high adhesive force during temporary fastening, and the absorbent articles are easily peeled off from the clothes.
  • the absorbent article according to the first aspect can be easily attached to an appropriate position when the absorbent article is attached to clothes.
  • the sheet is a non-woven fabric
  • the adhesive material is continuous with the adhesive portion, and has an impregnated portion impregnating the nonwoven fabric,
  • the adhesive material is impregnated into the nonwoven fabric as a sheet to form an impregnated portion, so that the site can give an anchor effect to the adhesive material. Therefore, the adhesive material is unlikely to peel off from the nonwoven fabric as a sheet. Therefore, it is possible to suppress the decrease in the adhesiveness of the absorbent article even when the temporary fixing is performed a plurality of times.
  • the impregnated portion has a thickness of a portion overlapping the virtual folding line peripheral portion in the thickness direction smaller than a thickness of a portion overlapping the adjacent portion,
  • the virtual folding line is used as the starting point. It is easy to bend and can form a sharp convex shape. Therefore, it is possible to more easily align the absorbent article with the clothing.
  • the thickness of the impregnated part is large in the part that overlaps with the adjacent part, the anchor effect of the adhesive material is high. Therefore, when the absorbent article is reattached, the adhesive material on the convex portion that is the starting point of the temporary fixing is less likely to peel off. Therefore, when the absorbent article is attached to clothes, it is easy to attach the absorbent article to an appropriate position.
  • the absorbent article of aspect 4 has an absorbent body that overlaps the virtual fold line in the thickness direction. Therefore, the position of the absorber can be aligned as the starting point. Therefore, the absorbent article can be more appropriately aligned.
  • the absorbent article in the unfolded state, has a longitudinal direction and a width direction, the virtual fold line is arranged along the width direction,
  • the absorbent article according to any one of aspects 1 to 4.
  • the absorbent article of aspect 5 has virtual fold lines along the width direction. Therefore, by folding the absorbent article along the virtual fold line, it is easy to form a shape that matches the shape of the clothing, and it becomes easier to temporarily fix the clothing. Therefore, the absorbent article can be more appropriately aligned.
  • the absorbent article In the unfolded state, the absorbent article has a longitudinal direction and a width direction, and the virtual fold line is arranged along a direction inclined in the width direction, The absorbent article according to any one of aspects 1 to 4.
  • a portion of the adhesive material having particularly high adhesiveness, which overlaps the virtual fold line in the thickness direction, is inclined in the width direction of the absorbent article. Therefore, the length of the portion in the width direction is shorter than that in the case where the portion is arranged along the width direction. Therefore, when peeling the absorbent article from the clothes, the absorbent article can be peeled from the clothes with a smaller force.
  • the absorbent article In the unfolded state, the absorbent article has a front side region, an excretory opening contact region, and a rear side region in the longitudinal direction, and the virtual fold line is the front side region and the rear side region. Are placed in each of the The absorbent article according to aspect 5 or 6.
  • the absorbent article of aspect 7 has a structure in which virtual fold lines are arranged in the front region and the rear region, respectively. Therefore, the front side region and the rear side region can be aligned with each other as the starting points. Therefore, the absorbent article can be more appropriately aligned.
  • a non-woven sheet having a clothing contact surface, and an absorbent article having an adhesive material arranged on the clothing contact surface of the nonwoven sheet In the unfolded state, the absorbent article has a virtual fold line for folding the absorbent article so that the clothing contact surface side is convex, and the adhesive material is the clothing of the nonwoven fabric sheet. It has an adhesive part on the surface of the contact surface, The adhesive portion, in the unfolded state, has a low adhesive area extending across the virtual fold line, and has a higher adhesiveness than the low adhesive area, and the low adhesive area Having a high-tacky area adjacent to, Absorbent article.
  • the absorbent article according to aspect 8 has a virtual fold line for bending the absorbent article so that the clothing contact surface side is convex.
  • an adhesive material for sticking the absorbent article to clothes is arranged on the clothes contact surface.
  • the adhesive material In the unfolded state, the adhesive material has a low-adhesive region extending across the virtual fold line and a high-adhesive region arranged adjacent to the low-adhesive region.
  • the temporary fixing portion of the absorbent article can be easily reattached and the positioning can be easily performed.
  • the absorbent article since the high-adhesive area is arranged adjacent to the low-adhesive area, the absorbent article has a high adhesive force at the time of the final stop in which the entire adhesive section of the absorbent article is attached to the clothes after alignment. Can be attached to clothes, and it is possible to prevent the absorbent article from being displaced or peeled off when worn.
  • the temporarily fastened absorbent article When the absorbent article is temporarily fastened to clothes, if the positional relationship of the absorbent article to clothing is not appropriate, the temporarily fastened absorbent article may be peeled off and temporarily fastened again.
  • the adhesive effect of the nonwoven fabric sheet is caused by the anchor effect of the impregnated portion on the adhesive material. Easy to hold on clothing contact surface.
  • the absorbent article can be more firmly fixed to the clothes, and the absorbent article when worn It is possible to further suppress deviation and peeling.
  • the impregnated portion has a high-adhesive area overlapping portion overlapping with the low-adhesive area, overlapping with the low-adhesive area, and overlapping with the high-adhesive area in the thickness direction of the absorbent article.
  • the low-tackiness region overlapping portion is thicker than the high-tackiness region overlapping portion,
  • the adhesive material has the impregnated portion even in the portion overlapping with the high-adhesive region, and therefore the adhesive material has the impregnated portion over the entire adhesive portion, which can further enhance the anchor effect of the impregnated portion on the adhesive material. it can.
  • the squeezed part has higher rigidity because the material density is higher than that of the part of the absorbent article other than the squeezed part.
  • the compressed portion extends across the virtual fold line.
  • the low-adhesive region and the high-adhesive region are partitioned by a pair of squeezing portions that face each other with a virtual fold line in between.
  • the absorbent article has a base portion and a middle height portion, in the unfolded state, The middle high portion has a portion that overlaps with the virtual folding line, The absorbent article according to any one of aspects 8 to 12.
  • the absorbent article may be provided with middle and high parts from the viewpoints of fit to the body, improvement of softness, and/or improvement of absorption capacity. It is preferable that such a middle-high section has an appropriate positional relationship with the body when worn so that the above performance can be sufficiently exhibited.
  • the middle-height portion of the absorbent article is a portion where pressure is likely to be exerted by moving the legs when the absorbent article is used by being attached to clothes, and therefore overlaps with the middle-height portion in the thickness direction of the absorbent article.
  • the adhesive material is arranged at the position, the adhesion between the adhesive material and the clothes becomes stronger. Therefore, when the absorbent article is peeled off from the clothes after use, the adhesive material at the position overlapping the middle height portion in the thickness direction of the absorbent article is likely to remain on the clothes, that is, adhesive residue is likely to occur.
  • the adhesive material in the position overlapping such a middle-high portion has low adhesiveness.
  • adhesive residue hardly occurs.
  • the middle-high part has a portion that overlaps with the virtual fold line, when the absorbent article is attached to clothing, the middle-high part has a proper positional relationship with the body when worn, starting from the virtual fold line. Easy to align as it is placed.
  • the absorbent article In the unfolded state, the absorbent article has a longitudinal direction, and in the longitudinal direction, an excretory opening contact area, and an area in front of and behind the excretory opening contact area. And, the virtual fold line is arranged in each of the front region and the rear region, The absorbent article according to any one of aspects 8 to 13.
  • virtual fold lines are arranged in each of the region on the front side and the region on the rear side of the excretory opening contact region.
  • the absorbent article In the unfolded state, the absorbent article has a longitudinal direction and a width direction, and the virtual fold line extends along a direction intersecting the longitudinal direction, The absorbent article according to any one of aspects 8 to 14.
  • the absorbent article since the virtual fold line extends along the direction intersecting the longitudinal direction, at the time of temporary fixing, the absorbent article is bent along the virtual fold line to be dressed.
  • the shape can be adjusted to the shape of, and the position can be adjusted more appropriately.
  • the position of the absorbent body that can particularly absorb the excrement etc. be adjusted to an appropriate position.
  • the absorbent article according to Aspect 16 can be aligned more appropriately because it can be aligned with the position of the absorber as the starting point.
  • FIG. 1 is a plan view of a state in which a sanitary napkin 100 according to the first embodiment of the absorbent article of the present invention is developed, as seen from the skin facing surface side.
  • FIG. 2 is a plan view showing the state in which the sanitary napkin 100 according to the first embodiment of the absorbent article of the present invention is deployed, as seen from the clothing facing surface side.
  • FIG. 3A is a sectional view taken along the line A-A′ in FIG. 2.
  • FIG. 3B is an enlarged view of the area X1 in FIG. 3A.
  • FIG. 4A is a schematic view showing a state in which the sanitary napkin 100 according to the first embodiment of the absorbent article of the present invention is temporarily attached to clothes.
  • FIG. 4B is an enlarged view of the area X2 in FIG. 4A.
  • FIG. 5A is a schematic diagram showing a state in which an adhesive material impregnates a nonwoven fabric in a sanitary napkin 100 according to a second embodiment of the absorbent article of the present invention.
  • FIG. 5B is a schematic diagram showing a state in which the nonwoven fabric is impregnated with the adhesive in the sanitary napkin 100 according to the third embodiment of the absorbent article of the present invention.
  • FIG. 6 is a plan view showing a state in which the sanitary napkin 100 according to the fourth embodiment of the absorbent article of the present invention is deployed, as seen from the clothing facing surface side.
  • FIG. 7 is a cross-sectional view taken along the line similar to the line A-A′ in FIG.
  • FIG. 8A is a cross-sectional view of the sanitary napkin 100 according to the sixth embodiment of the absorbent article of the present invention, taken along a line similar to the line A-A′ in FIG. 2.
  • FIG. 8B is an enlarged view of the area X1 in FIG. 8A.
  • FIG. 9A is a schematic view showing a state in which the sanitary napkin 100 according to the seventh embodiment of the absorbent article of the present invention is temporarily attached to clothes.
  • FIG. 9B is an enlarged view of the area X2 in FIG. 9A.
  • FIG. 10A is a schematic diagram showing a state in which the adhesive material 6 is impregnated into the backsheet 5 which is a nonwoven fabric sheet in the sanitary napkin 100 according to the eighth embodiment of the absorbent article of the present invention.
  • FIG. 10B is a schematic diagram showing a state in which the adhesive material 6 is impregnated into the backsheet 5 which is a nonwoven fabric sheet in the sanitary napkin 100 according to the ninth embodiment of the absorbent article of the present invention.
  • FIG. 11 is a cross-sectional view of the sanitary napkin 100 according to the tenth embodiment of the absorbent article of the present invention in a developed state, taken along a line similar to the line A-A′ in FIG. 2.
  • FIG. 10B is a schematic diagram showing a state in which the adhesive material 6 is impregnated into the backsheet 5 which is a nonwoven fabric sheet in the sanitary napkin 100 according to the ninth embodiment of the absorbent article of the present invention.
  • FIG. 11 is a cross-sectional view of
  • FIG. 12 is a plan view showing a state in which the sanitary napkin 100 according to the eleventh embodiment of the absorbent article of the present invention is deployed, as seen from the skin contact surface side.
  • FIG. 13 is a plan view of the sanitary napkin 100 according to the twelfth embodiment of the absorbent article of the present invention in a deployed state, as seen from the clothing contact surface side.
  • FIG. 14 is a plan view showing a state in which the sanitary napkin 100 according to the thirteenth embodiment of the absorbent article of the present invention is deployed, as seen from the clothing contact surface side.
  • the “clothing facing surface” means the surface of the surface of the absorbent article that faces the clothes when worn.
  • the “skin-facing surface” refers to the surface of the absorbent article that faces the skin of the user when worn.
  • the "deployed state” means a state in which the absorbent article is not folded back, and more specifically, the absorbent article is folded. It means a state in which it is stretched to a substantially flat surface so that there is no gap.
  • longitudinal direction indicates the direction in which the length of the vertically long absorbent article is long in the “deployed state” of the absorbent article.
  • width direction means a direction that is perpendicular to the thickness direction of the absorbent article and is orthogonal to the "longitudinal direction” in the "deployed state” of the absorbent article.
  • the “front side region” is a region located at a position corresponding to the front side of the wearer's body when the absorbent article is worn.
  • the “excretion opening contact area” is an area located at a position where the absorbent article comes into contact with the excretion opening of the wearer when the absorbent article is worn.
  • the excretory opening contact area may overlap the installation area of the wings in the width direction.
  • the center in the longitudinal direction and the center in the width direction of the excretory opening contact area may overlap with the center in the longitudinal direction of the wing installation area and the center in the width direction between the installation areas of the two wings.
  • the “rear side region” is a region located at a position corresponding to the rear side of the wearer's body when the absorbent article is worn.
  • the absorbent article of the present invention is an absorbent article including a sheet arranged on the clothing facing surface side and an adhesive material for fixing clothing arranged on the surface of the sheet on the clothing facing surface side.
  • the absorbent article of the present invention has a virtual fold line for folding the absorbent article so that it overlaps with the adhesive in the thickness direction in the unfolded state and the clothing-facing surface side is convex.
  • the pressure-sensitive adhesive material has a pressure-sensitive adhesive portion that is present on the surface of the sheet on the clothing facing surface side.
  • the adhesive portion has a virtual fold line peripheral portion and an adjacent portion adjacent to the virtual fold line peripheral portion.
  • the virtual fold line peripheral portion has a length of 1/2 ⁇ d from the virtual fold line in the direction orthogonal to the virtual fold line in the plane of the absorbent article, where d is the average thickness in the developed state of the absorbent article. It is a part within the range.
  • the thickness of the peripheral portion of the virtual fold line is larger than the thickness of the adjacent portion.
  • the absorbent article of the present invention is orthogonal to the virtual fold line in the plane of the absorbent article when the peripheral portion of the virtual fold line of the adhesive portion, that is, the average thickness in the developed state of the absorbent article is d. Since the thickness of the portion within the range of the length of 1/2 ⁇ d from the imaginary fold line in the direction is large, the adhesive force of the portion is large. Therefore, when the absorbent article is bent along the virtual fold line to form a convex shape, the thickness of the adhesive material around the virtual fold line that overlaps the substantially arc portion of the convex portion is large.
  • the absorbent article can be temporarily fixed to the clothes with a high adhesive force when the positioning is performed with the shape as the starting point, and the absorbent article is unlikely to shift during the temporary fixing.
  • the adhesive force is small. Therefore, even if the adjacent part is adhered to the clothing during the temporary fixing, the part is easily peeled off when the temporary fixing part is peeled and reattached. Therefore, when the temporary fixing portion is peeled off and reattached, there are few portions that are bonded with a high adhesive force, and the absorbent article is easily peeled off from the clothes.
  • the absorbent article of the present invention can be easily attached to an appropriate position when the absorbent article is attached to clothes.
  • the absorbent article of the present invention may have an absorbent body that overlaps the virtual fold line in the thickness direction in the unfolded state.
  • the absorbent article has an absorbent body that overlaps the virtual fold line in the thickness direction, the absorbent article can be aligned using the position of the absorbent body as a starting point. This allows the absorbent article to be more appropriately aligned.
  • the absorbent article of the present invention is not particularly limited as long as it is an absorbent article that is used by being attached to clothes, and specifically, it may be a sanitary napkin, a panty liner, an incontinence pad, or the like.
  • the absorbent article of the present invention is a sanitary napkin
  • a side sheet, a top sheet, an absorber, and a back sheet are provided from the skin facing surface side to the clothing facing surface side.
  • the back sheet is a sheet arranged on the clothing facing surface side.
  • the clothing to which the absorbent article of the present invention is applied may be, for example, underwear, but is not particularly limited.
  • FIGS. 1 to 3B are schematic views showing a sanitary napkin 100 according to the first embodiment of the present invention.
  • the sanitary napkin 100 has a side sheet 3, a top sheet 1, an absorbent body 2, and a back sheet 5 in this order from the skin facing surface side toward the clothing facing surface side. There is.
  • the sanitary napkin 100 has virtual fold lines L 1 to L 3 that are parallel to the width direction W and are for folding the absorbent article so that the clothing facing surface side is convex. ing.
  • the absorber 2 has a groove 4. Due to the groove 4, when the sanitary napkin 100 is worn, the sanitary napkin 100 is easily bent along the shape of the wearer's body.
  • an adhesive material 6 for fixing clothes is arranged on the surface of the back sheet 5 on the side facing the clothes.
  • the virtual folding lines L 1 to L 3 overlap the adhesive material 6 in the thickness direction.
  • FIG. 3A is a sectional view taken along the line AA′ in FIG.
  • the sanitary napkin 100 has lines L 1 ′ to L 3 ′ that are orthogonal to the virtual folding lines L 1 to L 3 and parallel to the thickness direction T of the sanitary napkin 100.
  • FIG. 3B which is an enlarged view of the portion X1 of FIG. 3A, in the adhesive material 6, the portion overlapping with the line L 1 ′ and its peripheral portion correspond to the virtual folding line peripheral portion R 1 .
  • FIGS. 1 to 3B do not limit the shape or configuration of the absorbent article of the present invention.
  • the side sheet, the top sheet, and the absorber are not essential components of the absorbent article of the present invention.
  • the back sheet is a sheet arranged on the side facing the clothes.
  • FIGS. 4A and 4B are schematic diagrams showing a state in which the sanitary napkin 100 according to the first embodiment of the present invention is temporarily fixed to clothes.
  • the sanitary napkin 100 can be temporarily fixed to the clothing 200 while being bent according to the shape of the clothing 200.
  • the absorbent article is bent to form a convex shape so as to be convex on the clothing side starting from the virtual fold line portion, and by using this convex portion as a starting point, alignment in temporary fastening becomes easy. Become.
  • the adhesive portion in the convex portion formed by bending the absorbent article along the virtual fold line L 1 is the virtual fold line peripheral portion R 1 .
  • the thickness of the virtual folding line peripheral portion R 1 is larger than the thickness of the adjacent portion R 2 , it is possible to perform temporary fixing with high adhesive force when performing alignment with the portion as a starting point, The sanitary napkin 100 is unlikely to slip when temporarily fixed.
  • the adjoining portion R 2 has a small adhesive force, when the temporary fixing portion is peeled off and re-attached, there are few portions adhered with a high adhesive force, so that the adjacent portion R 2 can be easily peeled off.
  • the absorbent body 2 overlaps the virtual folding lines L 1 to L 3 in the thickness direction in the deployed state. Therefore, when the sanitary napkin 100 is aligned with the clothing 200 as shown in FIG. 4A, the position of the absorbent body 2 and the convex portion overlapping in the thickness direction of the absorbent article are used as the starting points. Can be matched. Therefore, the sanitary napkin 100 can be aligned more appropriately.
  • the absorbent article has a sheet arranged on the clothing facing surface side.
  • the sheet may be any sheet that can serve as a substrate for attaching the absorbent article to clothing.
  • the sheet may be, for example, a film or a non-woven fabric, but is not limited thereto.
  • the sheet when the sheet is a film, the sheet may be a synthetic resin film made of, for example, polyethylene resin or polyolefin resin.
  • any non-woven fabric such as spun lace non-woven fabric, air-through non-woven fabric, spun-bonded non-woven fabric, point-bonded non-woven fabric, and combinations thereof (for example, SMS non-woven fabric) can be used as the sheet. ..
  • the type of fiber used for such a non-woven fabric is not particularly limited, and examples thereof include cellulosic fibers; hydrophilic fibers such as thermoplastic resin fibers such as olefin resin and polyester resin that have been subjected to hydrophilization treatment, These fibers may be used alone or in combination of two or more kinds.
  • the sheet may be a hydrophobic or water repellent non-woven fabric.
  • the non-woven fabric is a hydrophobic or water-repellent non-woven fabric, the non-woven fabric is capable of further impregnating excretion liquid from moving to the lower side of the sheet, and is capable of impregnating the material of the adhesive material during production, From the viewpoint of forming a difference between the thickness of the portion that overlaps the virtual fold line of the adhesive portion in the thickness direction and the thickness of the portion that is adjacent to the portion, it is preferable that the grammage has a basis weight of 10 to 80 g/m 2. preferable.
  • the basis weight When the basis weight is 10 g/cm 2 or more, the thickness of the nonwoven fabric is large and the thickness of the impregnated portion can be increased. When the basis weight is 80 g/cm 2 or less, it is possible to increase the thickness of the impregnated portion while reducing the application amount of the adhesive material.
  • the basis weight may be 10 g/m 2 or more, 20 g/m 2 or more, or 30 g/m 2 or more, and may be 80 g/m 2 or less, 60 g/m 2 or less, or 50 g/m 2 or less. ..
  • a liquid-impermeable film or the like is inserted on the skin-facing surface side of the nonwoven fabric.
  • the absorbent article has an adhesive material for fixing clothes, which is arranged on the surface of the sheet on the side facing the clothes.
  • the adhesive material is a member for sticking and fixing the absorbent article to clothing when in use. Further, the adhesive material has an adhesive portion that is present on the surface of the sheet facing the clothes facing side.
  • the adhesive material when the sheet is a non-woven fabric, can have an impregnated portion which is continuous with the adhesive portion and which is impregnated in the non-woven fabric.
  • the material of the adhesive material is not particularly limited as long as it is an adhesive substance that can adhere the absorbent article to clothing, and for example, any material that can be used for the absorbent article used by being attached to clothing. It may be a material. More specifically, examples of the material of the adhesive material include hot melt adhesives. Examples of the hot melt adhesive include olefins such as polyethylene, polypropylene and ethylene- ⁇ -olefin copolymers; ethylene-vinyl acetate copolymers; polyamides; styrene-butylene-styrene copolymers and styrene-isoprene. -Thermoplastic elastomer such as styrene copolymer; reactive hot melt such as moisture-curable urethane prepolymer and the like.
  • the adhesive material can be formed by applying a sticky substance that is a material onto a sheet by an arbitrary method, and can be formed by, for example, applying a sticky substance that is a material to a sheet.
  • the shape of the adhesive material may be any shape that allows the absorbent article to be attached to clothes.
  • the shape of the pressure-sensitive adhesive material may be, but is not limited to, a plurality of rod shapes extending in the longitudinal direction or the width direction of the absorbent article.
  • the adhesive portion has a virtual fold line peripheral portion and an adjacent portion adjacent to the virtual fold line peripheral portion.
  • the peripheral portion of the virtual fold line is 1/2 ⁇ d from the virtual fold line in the direction orthogonal to the virtual fold line in the plane of the absorbent article, where d is the average thickness in the expanded state of the absorbent article.
  • a portion within the range of length that is, a portion within the range of length ⁇ d about the virtual fold line in the direction orthogonal to the virtual fold line in the plane of the absorbent article.
  • the thickness of the peripheral portion of the virtual fold line is larger than the thickness of the adjacent portion.
  • the adjacent portion is within the range of a length of ⁇ d in the direction opposite to the virtual fold line from the end of the peripheral portion of the virtual fold line in the direction orthogonal to the virtual fold line in the plane of the absorbent article in the adhesive portion. It is a part.
  • the high-adhesive region may be arranged at least at one end of the low-adhesive region in the direction orthogonal to the virtual fold line in the plane of the absorbent article.
  • the average thickness d (mm) of an absorbent article is measured as follows.
  • FS-60DS Measurement surface 44 mm (diameter), measurement pressure 3 g/cm 2 ] manufactured by Daiei Kagaku Seiki Seisakusho Co., Ltd. was prepared and absorbed under standard conditions (temperature 23 ⁇ 2° C., relative humidity 50 ⁇ 5%). Pressure is applied to five different parts of the sexual article, the thickness of each part after 10 seconds of pressurization is measured, and the average value of the five measured values is taken as the average thickness d.
  • the difference between the thickness of the portion around the virtual folding line and the thickness of the adjacent portion can be formed by any method.
  • This thickness can be given, for example, by increasing the amount of the material of the adhesive material applied to the clothing facing surface of the sheet in the portion around the virtual fold line and reducing the amount in the adjacent portion.
  • a viscosity can be appropriately selected, for example, by adjusting the temperature of the material of the adhesive material during application.
  • this difference in thickness is, for example, after applying the material of the adhesive material to the clothing facing surface of the sheet of the absorbent article, bend the absorbent article along the virtual fold line, and the portion along the fold line and It can be formed by pressing the adjacent portion. With such a press, no pressing pressure is applied to the portion of the adhesive portion that overlaps in the thickness direction with the convex portion formed by bending the absorbent article along the virtual fold line, and its adjacent portion. Since a pressing pressure is applied to the adhesive, the adhesive material in the adjacent portion is stretched and the thickness is reduced.
  • the thickness of the peripheral portion of the virtual fold line becomes larger than the thickness of the adjacent portion.
  • the sheet is a non-woven fabric
  • the virtual fold line peripheral portion and the adjacent portion are pressed by different press pressures, respectively.
  • the thickness of the peripheral portion of the virtual fold line and the thickness of the adjacent portion are, in the unfolded state of the absorbent article, the portion of each portion in the cross section in the direction orthogonal to the virtual fold line in the plane of the absorbent article. It is defined as the average value of the length from the clothing facing surface side to the clothing facing surface side.
  • the magnitude relation of the average value of this length in this cross section can be obtained as the magnitude relation of the area of each part in the cross section. Then, the magnitude relationship of the areas can be obtained visually from an electron microscope image or the like of these cross sections or by using image analysis software.
  • the cross section of the absorbent article can be obtained by cutting the absorbent article soaked in liquid nitrogen and solidified.
  • the pressure-sensitive adhesive material when the sheet is a non-woven fabric, can have an impregnated part which is continuous with the pressure-sensitive adhesive part and which is impregnated in the non-woven fabric.
  • the adhesive portion and the impregnated portion can be continuous in the thickness direction of the adhesive material, for example, but may be continuous in other directions.
  • temporary fixing may be performed several times to fix the position.
  • the inventors of the present invention when the temporary fixing of the absorbent article is repeated many times, when peeling the absorbent article from the clothes, the adhesive material arranged in the convex portion serving as the starting point of the temporary fixing is peeled off. We found that it can be easier. The present inventors have further found that if the pressure-sensitive adhesive material at the starting point of temporary fixing is peeled off, the adhesive strength of the absorbent article will be weakened, and temporary fixing will be difficult.
  • the part of the absorbent article in which a part of the adhesive material is impregnated in the nonwoven fabric as a sheet, that is, the impregnated part can give an anchor effect to the adhesive material. Therefore, the adhesive material is unlikely to peel off from the nonwoven fabric as a sheet. Therefore, it is possible to suppress the decrease in the adhesiveness of the absorbent article when the temporary fixing is performed a plurality of times.
  • FIG. 5A is an enlarged view of a part of the sanitary napkin according to the second embodiment of the absorbent article of the present invention.
  • FIG. 5A is an enlarged view of the portion similar to X1 in FIG. 3A regarding the sanitary napkin 100.
  • the sanitary napkin 100 has a surface sheet 1, an absorbent body 2, a nonwoven fabric 5 ′, and an adhesive material 6 in order from the clothing facing surface side.
  • the adhesive material 6 has an impregnated portion 6b which is continuous with the adhesive portion 6a and which is impregnated in the nonwoven fabric 5'.
  • the impregnated portion 6b can give the adhesive material an anchor effect. Therefore, the adhesive material 6 is difficult to peel off from the nonwoven fabric 5'. Therefore, it is possible to suppress the decrease in the adhesiveness of the absorbent article when the temporary fixing is performed a plurality of times.
  • the impregnated portion may have a thickness of a portion overlapping with the peripheral portion of the virtual folding line in the thickness direction smaller than a thickness of a portion overlapping with an adjacent portion.
  • the impregnated portion has such a configuration, the impregnated portion in the portion that overlaps with the peripheral portion of the virtual fold line in the thickness direction is larger than that in the portion that overlaps with the adjacent portion in the thickness direction. Since it has low rigidity and is easily bent, the absorbent article can be easily bent with the virtual folding line as the starting point, and a sharp starting point can be formed. Therefore, the alignment of the absorbent article can be made easier.
  • the thickness of the impregnated portion in the portion that overlaps the adjacent portion in the thickness direction is larger than the thickness of the impregnated portion of the adhesive material at the portion that is the starting point of temporary fixing, and the anchor effect of the adhesive material is high. Therefore, when reattaching the absorbent article, the adhesive material at the alignment portion is less likely to peel off. Therefore, when the absorbent article is attached to clothes, it is easy to attach the absorbent article to an appropriate position.
  • FIG. 5B is an enlarged view of a part of the sanitary napkin 100 according to the third embodiment of the absorbent article of the present invention.
  • FIG. 5B is an enlarged view of the portion similar to X1 in FIG. 3A regarding the sanitary napkin 100.
  • the thickness of the portion R 1 ′ that overlaps the virtual folding line peripheral portion R 1 in the thickness direction is smaller than the thickness of the portion R 2 ′ that overlaps the adjacent portion R 2. 5A, except that
  • the impregnated portion 6b in the portion R 1 ′ that overlaps with the virtual folding line peripheral portion R 1 in the thickness direction has the thickness of the impregnated portion 6 b. small. Therefore, it is easy to bend the virtual fold line as a starting point, and a sharp convex shape can be formed. Therefore, the alignment of the absorbent article can be made easier. Further, since the impregnated portion 6b in the portion R 2 'that overlap with the adjacent portion R 2 has a large thickness, a high anchor effect of the adhesive material 6. Therefore, when the absorbent article is attached again, the adhesive material 6 in the alignment portion is less likely to peel off. Therefore, when the absorbent article is attached to clothes, it is easy to attach the absorbent article to an appropriate position.
  • the difference between the thickness of the portion that overlaps the virtual fold line peripheral portion in the thickness direction and the thickness of the portion that overlaps the adjacent portion should be given by the same method as described above for the thickness of the adhesive portion.
  • the depth of impregnation of the adhesive material into the non-woven fabric can be varied depending on the difference in pressing pressure.
  • the press pressure is not applied to the virtual fold line peripheral portion, and the press pressure is applied to the adjacent portion,
  • the depth at which the adhesive material is impregnated into the nonwoven fabric is small at the virtual fold line peripheral portion, and the depth at which the adhesive material is impregnated into the nonwoven fabric is deep at the adjacent portion.
  • the thickness of the peripheral portion of the virtual folding line becomes smaller than the thickness of the adjacent portion.
  • the thickness of the portion overlapping in the thickness direction with the virtual fold line peripheral portion and the thickness of the portion overlapping with the adjacent portion in the thickness direction are in the plane of the absorbent article in the expanded state of the absorbent article. Is defined as the average value of the length from the clothing facing surface side of the sheet of each part to the skin facing surface side of the impregnated portion in the cross section in the direction orthogonal to the virtual fold line.
  • the magnitude relation of the average value of this length in this cross section can be obtained as the magnitude relation of the area of each part in the cross section. Then, the magnitude relationship of the areas can be obtained visually from an electron microscope image or the like of these cross sections or by using image analysis software.
  • the cross section of the absorbent article can be obtained by cutting the absorbent article soaked in liquid nitrogen and solidified.
  • the absorbent article has virtual fold lines for folding the absorbent article such that the absorbent article overlaps with the adhesive material in the thickness direction in the unfolded state and the clothing facing surface side is convex.
  • the virtual folding line is a folding axis when the absorbent article is folded so that the clothing contact surface side is convex.
  • the virtual fold line is arranged, for example, at the apex of the convex shape formed when the absorbent article is bent such that the clothing contact surface side is convex.
  • the absorbent article may have virtual fold lines arranged along the width direction in the unfolded state.
  • the virtual fold line being arranged along the width direction means that the virtual fold line is horizontal in the width direction of the absorbent article, but within an error range, for example, a range of ⁇ 1°.
  • the inside may be inclined from the width direction.
  • the absorbent article When the absorbent article has a virtual fold line along the width direction, the absorbent article is easily bent into a shape that matches the shape of the garment by bending the absorbent article along the virtual fold line so that the clothing facing surface side is convex. , The absorbent article can be more appropriately aligned. That is, it becomes easier to temporarily fix the absorbent article to clothes.
  • the virtual folding lines L 1 to L 3 are arranged along the width direction W.
  • the virtual folding lines L 1 to L 3 are provided along the width direction. Therefore, according to the first embodiment of the absorbent article of the present invention, the absorbent article is bent along the virtual fold lines L 1 to L 3 so that the clothing facing surface side is convex to match the shape of the clothing. It is easy to form the shape of the absorbent article, and it becomes easier to temporarily fix it to clothes.
  • the absorbent article may be arranged such that the virtual fold line is arranged along the direction inclined in the width direction in the unfolded state.
  • being arranged along the direction in which the virtual folding line is inclined in the width direction means that the virtual folding line is inclined in the width direction of the absorbent article.
  • the peripheral portion of the virtual fold line When the virtual fold line is arranged along the direction inclined in the width direction, the peripheral portion of the virtual fold line also has a shape along the direction inclined in the width direction with respect to the absorbent article. Then, in the absorbent article, if the virtual fold line peripheral portion, which is a particularly highly adhesive portion of the adhesive portion, is inclined in the width direction of the absorbent article, the portion is arranged along the width direction. The length of the relevant portion becomes shorter in the width direction than that of the case. Therefore, when peeling the absorbent article from the clothes, the absorbent article can be peeled from the clothes with a smaller force.
  • the virtual folding lines L 4 to L 5 are arranged along the direction inclined in the width direction W. ing.
  • the virtual fold line peripheral portion which is a particularly highly adhesive portion of the adhesive material, extends in the width direction of the absorbent article. It is inclined. Therefore, the length of the portion in the width direction is shorter than that in the case where the portion is arranged along the width direction. Therefore, when peeling the absorbent article from the clothes, the absorbent article can be peeled from the clothes with a smaller force.
  • the degree of inclination of the virtual fold line is not particularly limited.
  • the angle of inclination may be more than 1° and less than 45° in the width direction. If the angle of inclination is less than 45°, the temporary fixing portion of the absorbent article is longer in the width direction than in the longitudinal direction of the absorbent article, so that temporary fixing is easier.
  • the angle of inclination may be more than 1°, 5° or more, 10° or more, or 15° or more, and may be less than 45°, 40° or less, 30° or less, or 20° or less.
  • the virtual fold line in the unfolded state of the absorbent article, can be arranged in each of the front area and the back area of the absorbent article.
  • the absorbent article has a structure in which virtual fold lines are arranged in each of the front area and the back area, the front area and the back area can be aligned as the starting points. Therefore, the absorbent article can be more appropriately aligned.
  • the sanitary napkin 100 has a front region F, an excretory opening contact region E, and a rear region B.
  • the virtual fold line L 1 is arranged in the front area F, and the virtual fold lines L 2 and L 3 are arranged in the rear area B, respectively.
  • the virtual folding lines L 1 to L 3 overlap the adhesive material 6 in the thickness direction.
  • the sanitary napkin 100 according to the first embodiment of the absorbent article of the present invention has a structure in which virtual fold lines are arranged in the front region F and the rear region B, respectively. Therefore, it is possible to perform alignment with the convex portion formed by bending the absorbent article along the virtual fold line arranged in the front region F and the rear region B as the starting point. Therefore, the absorbent article can be more appropriately aligned.
  • virtual fold lines can be arranged in each of the front region, the excretory opening contact region, and the rear region.
  • the absorbent article has a structure in which a virtual fold line is arranged in the excretory opening contact area, it is possible to perform alignment with the excretory opening contact area as a starting point.
  • the virtual fold lines L 1 , L 2 , and L 3 are the front side region F and the excretion mouth contact, respectively. It is arranged in the contact area E and the rear area B. Then, these virtual fold lines overlap with the adhesive material 6 in the thickness direction.
  • the sanitary napkin 100 according to the fifth embodiment of the absorbent article of the present invention has a structure in which the virtual fold line is arranged in the excretory opening contact region. Therefore, it is possible to perform alignment with the excretory opening contact region as a starting point. Therefore, the absorbent article can be more appropriately aligned.
  • the absorbent article to which the present invention is applied is not limited to the sanitary napkin of each of the above-described embodiments, and can be applied to all absorbent articles that are used by being attached to clothes, for example, a light incontinence pad. , It can be applied to various absorbent articles such as panty liners. Further, regarding each sheet constituting the absorbent article, in addition to the above-mentioned top sheet, back sheet, and the like, various sheets are assumed depending on the type of the absorbent article to be applied. As such a sheet, for example, a liquid-permeable diffusion material that is disposed between the topsheet and the absorber or between the absorber and the backsheet and diffuses excreted liquid such as urine in the longitudinal direction or the width direction. Examples include sheets.
  • the definitions of “deployed state”, “longitudinal direction”, and “width direction” in the specification of the present application are for solving the first problem of the present invention. It is the same as that defined for the means of.
  • the "clothing contact surface" of the absorbent article or the non-woven sheet refers to a surface of the surface of the absorbent article or the non-woven sheet that is in contact with clothes such as underwear when the absorbent article is worn. ..
  • the “skin contacting surface” of the absorbent article refers to the surface of the surface of the absorbent article that is in contact with the skin of the wearer when the absorbent article is worn.
  • the definition of the “excretion opening contact area” is the same as the definition for the means for solving the first problem of the present invention.
  • the region on the front side and the region on the rear side of the excretory opening contact area are the frontward direction of the body of the wearer of the absorbent article, with reference to the "excretory opening contact area" in the absorbent article.
  • the excretory opening contact area may overlap the installation area of the wings in the width direction.
  • the center in the longitudinal direction and the center in the width direction of the excretory opening contact area may overlap with the center in the longitudinal direction of the wing installation area and the center in the width direction between the installation areas of the two wings. ..
  • the absorbent article of the present invention has a nonwoven fabric sheet having a clothing contact surface and an adhesive material arranged on the clothing contact surface of the nonwoven fabric sheet.
  • the absorbent article of the present invention has a virtual fold line for bending the absorbent article so that the clothing contact surface side is convex in the unfolded state.
  • the adhesive material has an adhesive portion existing on the surface of the clothing contact surface of the nonwoven fabric sheet.
  • the adhesive portion has a low-adhesion region extending across the virtual fold line in the unfolded state, and has a higher adhesiveness than the low-adhesion region, and is adjacent to the low-adhesion region. It has a high tackiness area.
  • the absorbent article of the present invention has a virtual fold line for bending the absorbent article so that the clothing contact surface side is convex.
  • an adhesive material for sticking the absorbent article to clothes is arranged on the clothes contact surface.
  • the adhesive material In the unfolded state, the adhesive material has a low-adhesive region extending across the virtual fold line and a high-adhesive region arranged adjacent to the low-adhesive region.
  • the temporary fixing portion of the absorbent article can be easily peeled off from the clothes. Accordingly, even when the positional relationship between the absorbent article and the clothing is not appropriate at the time of positioning, the temporary fixing portion of the absorbent article can be reattached, and the positioning is easy.
  • the absorbent article since the high-adhesive region is arranged adjacent to the low-adhesive region, when the entire absorbent article is attached to the garment after alignment, the absorbent article should be attached to the garment with high adhesive force. It is possible to prevent the absorbent article from being displaced or peeled off when worn.
  • the absorbent article of the present invention may have a base portion and a middle height portion.
  • the middle high portion means a portion thicker than the base portion of the absorbent article.
  • the mid-height portion may be any configuration having a thickness greater than the base of the absorbent article.
  • the absorbent article may have a thickness larger than that of the base so that the absorbent article fits the shape of the wearer's body. If there is a space between the absorbent article and the wearer's body, the excretory liquid may easily leak from the space. Therefore, by providing the middle-height portion in a portion of the absorbent article corresponding to the void portion, it is possible to suppress the generation of a void between the absorbent article and the wearer's body.
  • the middle-high section may have a structure in which the thickness of the absorber in that section is increased, for example.
  • the middle-high part may be formed by partially arranging the middle-high part and the polymer sheet in which the amount of pulp or polymer is larger than that of the absorber in the base part, and the absorbent body arranged in the part may have a plurality of layers, for example, two layers. It may have a layered construction.
  • the middle-high part may be arranged in each of the region on the front side and the region on the rear side of the excretory opening contact region.
  • the middle-height portion may be arranged rearward of the installation area of the wings.
  • the absorber can be inserted into a crack in the wearer's hip when worn, and the leakage to the rear portion can be suppressed.
  • the absorbent article of the present invention is a sanitary napkin, as a specific configuration, for example, from the skin contact surface side to the clothing contact surface side, a side sheet, a surface sheet, an absorbent body, and a nonwoven fabric sheet
  • the nonwoven fabric sheet may be a back sheet.
  • the clothing to which the absorbent article of the present invention is applied may be, for example, underwear, but is not particularly limited.
  • a plan view of the sanitary napkin 100 according to the sixth embodiment of the present invention in a developed state is a plan view seen from the skin facing surface side and a plan view seen from the clothing facing surface side of the present invention shown in FIGS. 1 and 2. It has the same structure as the sanitary napkin 100 according to the first embodiment.
  • the back sheet is a non-woven fabric sheet
  • the virtual folding line peripheral portion R 1 and the adjacent portion R 2 are a low-adhesive region and a high-adhesive region, respectively. ..
  • a sanitary napkin 100 As shown in FIGS. 1 and 2, a sanitary napkin 100 according to a sixth embodiment of the present invention has a side sheet 3, a top sheet 1, from a skin contact surface side toward a clothing contact surface side.
  • the absorbent body 2 and the backsheet 5 which is a nonwoven fabric sheet are provided in this order.
  • the topsheet 1 is arranged on the skin contact surface side
  • the backsheet 5 is arranged on the clothing contact surface side.
  • An adhesive material 6 is arranged on the clothing contact surface of the back sheet 5.
  • the sanitary napkin 100 bends the sanitary napkin 100 so that the clothing contact surface side is convex in the deployed state.
  • Virtual fold lines L 1 to L 3 are arranged in the same manner as shown in FIGS. 1 and 2, so that the clothing contact surface side is convex in the deployed state.
  • the sanitary napkin 100 is bent so that the clothing contact surface side is convex with the virtual fold lines L 1 to L 3 as a starting point to form a convex portion, and the convex portion is used as a reference to determine the sanitary napkin. It is easy to temporarily fix 100 so that it fits the proper position on the clothes.
  • the adhesive material 6 includes a virtual fold line peripheral portion R 1 that is a low-adhesive region and a virtual fold line peripheral portion that is a low-adhesive region and extends across the virtual fold lines L 1 to L 3. It has an adhesive property higher than that of R 1 and has an adjacent part R 2 which is a high adhesive region and is adjacent to the virtual fold line peripheral part R 1 which is a low adhesive region.
  • the portion overlapping with the virtual folding lines L 1 to L 3 and the peripheral portion thereof have a low adhesive force to the clothing, and are re-aligned when temporarily fixed. In that case, the part is easily peeled off from the clothes. Accordingly, even when the positional relationship between the sanitary napkin 100 and the clothing is not appropriate at the time of positioning, it is possible to re-attach the temporarily fixed portion of the sanitary napkin 100, and the positioning is easy. is there.
  • the entire sanitary napkin 100 is attached to the clothing after alignment. At this time, the sanitary napkin 100 can be attached to the garment with high adhesive force, and it is possible to prevent the sanitary napkin 100 from being displaced or peeled off when worn.
  • the sanitary napkin 100 is a line orthogonal to the virtual folding lines L 1 to L 3 and parallel to the thickness direction T of the sanitary napkin 100. It has L 1 ′ to L 3 ′.
  • the adhesive material 6 has a virtual fold line peripheral portion R 1 that is a low-adhesive region across the line L 1 ′, and an adjacent portion R 2 that is a high adhesive region is in the virtual fold line peripheral portion R 1 . It is adjacent.
  • the thickness of the adhesive portion 6a in the virtual fold line peripheral portion R 1 that is the low adhesive region has high adhesiveness. smaller than the thickness of the adhesive portion 6a in the adjacent portion R 2 is sexual area. As a result, the tackiness of the virtual fold line peripheral portion R 1 which is the low tackiness area is smaller than the tackiness of the adjacent portion R 2 which is the high tackiness area.
  • the absorbent body 2 has the groove 4. Due to the groove 4, when the sanitary napkin 100 is worn, the sanitary napkin 100 is easily bent along the shape of the wearer's body.
  • FIGS. 9A and 9B are schematic diagrams showing a state in which the sanitary napkin 100 according to the seventh embodiment of the present invention is temporarily fixed to clothes.
  • the sanitary napkin 100 according to the seventh embodiment of the present invention can be temporarily fixed to the clothing 200 while holding the front side and the rear side while bending according to the shape of the clothing 200. ..
  • the sanitary napkin 100 is bent from the virtual fold lines L 1 to L 3 so as to be convex toward the clothing 200 and temporarily fixed, so that the virtual fold lines L 1 to L 3 are used as the starting points. Easy to match.
  • the virtual fold line peripheral portion R 1 is a low tack areas are arranged astride the fold line L 1 ⁇ L 3 virtual virtual folding line L 1 ⁇ L 3
  • the adhesive strength of the convex portion formed by bending the cloth to the clothing is low. This makes it easy to remove the convex portion from the clothing when the convex portion is used as a starting point and is re-aligned during temporary fixing.
  • the entire sanitary napkin 100 is aligned after alignment.
  • the sanitary napkin 100 can be attached to the garment 200 with a high adhesive force when it is attached to clothes, and it is possible to prevent the sanitary napkin 100 from being displaced or peeled off when worn.
  • the absorbent article of the present invention has a nonwoven fabric sheet having a clothing contact surface.
  • the non-woven sheet is the same as that in the description of the sheet regarding the embodiment relating to the means for solving the first problem of the present invention.
  • the absorbent article of the present invention has an adhesive material arranged on the clothing contact surface of the nonwoven fabric sheet.
  • the adhesive material has an adhesive portion that is present on the surface of the non-woven fabric sheet that contacts the clothes.
  • the adhesive material may have an impregnated portion which is continuous with the adhesive portion and which is impregnated in the nonwoven fabric.
  • the material, forming method, and shape of the adhesive material are the same as those in the description of the adhesive material regarding the embodiment relating to the means for solving the first problem of the present invention.
  • the pressure-sensitive adhesive material has a pressure-sensitive adhesive portion that is present on the surface of the non-woven fabric sheet that contacts the clothing.
  • the adhesive portion has a low adhesive area and a high adhesive area.
  • the low-adhesion region is a region of the adhesive portion that has lower adhesiveness than the high-adhesion region.
  • the low-adhesion region extends across the virtual fold line. Therefore, the low-adhesion region has a portion that overlaps with the virtual fold line in the thickness direction of the absorbent article in the expanded state of the absorbent article.
  • the adhesiveness of the peripheral portion becomes low starting from the apex of the convex portion. This makes it easy to peel off the convex portion from the clothes when the temporary fixing is repeated. Therefore, even when the positional relationship between the absorbent article and the clothing is not appropriate at the time of positioning, the temporary fixing portion of the absorbent article can be reattached, and the positioning is easy.
  • the low-adhesion region When the average thickness in the developed state of the absorbent article is d, the low-adhesion region has a virtual fold line in a direction orthogonal to the virtual fold line in the plane of the absorbent article in the developed state of the absorbent article. It is a portion within the range of the length of ⁇ d as the center. The portion within such a range is included in the substantially arc-shaped portion of the convex portion formed when the absorbent article is folded along the virtual folding line.
  • the average thickness d is measured as follows. FS-60DS [measurement surface 44 mm (diameter), measurement pressure 3 g/cm 2 ] manufactured by Daiei Kagaku Seiki Seisakusho Co., Ltd. was prepared and absorbed under standard conditions (temperature 23 ⁇ 2° C., relative humidity 50 ⁇ 5%). Pressure is applied to five different parts of the sex article, and the thickness of each part after 10 seconds of pressurization is measured, and the average value of the five measured values is taken as the thickness.
  • the high-adhesion area is an area of the adhesion portion having higher adhesion than the low-adhesion area.
  • the high tack areas are adjacent to the low tack areas. That is, the high-adhesive region does not have a portion that overlaps with the virtual fold line in the thickness direction of the absorbent article when the absorbent article is in the expanded state.
  • the high-adhesive region has a length of ⁇ d in the direction opposite to the virtual fold line from the end of the low-adhesive region with respect to the direction orthogonal to the virtual fold line in the plane of the absorbent article in the developed state of the absorbent article. Is a part within the range of.
  • the high-adhesive region may be arranged at least at one end of the low-adhesive region in the direction orthogonal to the virtual fold line in the plane of the absorbent article.
  • the absorbent article is attached to the garment with high adhesive force. Therefore, it is possible to prevent the absorbent article from being displaced or peeled off when worn.
  • the magnitude relation of the tackiness between the low tackiness region and the high tackiness region is given by the magnitude relation of the average thickness of each region of the tackiness portion.
  • the low tack areas have an average thickness less than the high tack areas.
  • the average thickness of each of the low-adhesive region and the high-adhesive region is a nonwoven fabric sheet in each region in a cross section in a direction orthogonal to the virtual fold line in the plane of the absorbent article in a developed state of the absorbent article. It is defined by the average value of the length from the clothing facing surface side to the clothing facing surface side of the adhesive portion.
  • the magnitude relation of the average value of this length in this cross section can be obtained as the magnitude relation of the area of each part in the cross section. Then, the magnitude relationship of the areas can be obtained visually from an electron microscope image or the like of these cross sections or by using image analysis software.
  • the cross section of the absorbent article can be obtained by cutting the absorbent article soaked in liquid nitrogen and solidified.
  • the thickness difference between the low-adhesion region and the high-adhesion region can be formed by any method.
  • a method of changing the coating amount of the material of the adhesive material applied to the regions corresponding to the low-adhesive region and the high-adhesive region on the non-woven sheet can be mentioned.
  • this method it is preferable to apply the adhesive material with a viscosity that does not eliminate the difference in thickness between the low-adhesion region and the high-adhesion region.
  • a viscosity can be appropriately selected, for example, by adjusting the temperature of the material of the adhesive material during coating.
  • this difference in thickness is, for example, by applying an adhesive substance on a non-woven fabric sheet, and then applying different press pressures to the regions corresponding to the low-adhesive region and the high-adhesive region, respectively. Can be formed. More specifically, it may be mentioned that the pressing pressure applied to the region corresponding to the low adhesive region is made larger than the pressing pressure applied to the region corresponding to the high adhesive region.
  • the pressure-sensitive adhesive preferably has an impregnated portion which is continuous with the pressure-sensitive adhesive portion and which is impregnated in the nonwoven fabric sheet.
  • the adhesive portion and the impregnated portion can be continuous in the thickness direction of the adhesive material, for example, but may be continuous in other directions.
  • the temporarily fastened absorbent article may be peeled off and temporarily fastened again.
  • the absorbent article of the present invention has an adhesive material that is continuous with the adhesive portion and has an impregnated portion that is impregnated in the nonwoven fabric sheet, even if temporary fixing is repeated due to the anchoring effect of the impregnated portion on the adhesive material. It is possible to maintain the adhesiveness of the adhesive portion, and to firmly fix the absorbent article to the clothes when the main stop is performed, and to further suppress the displacement and peeling of the absorbent article when worn. It is possible.
  • the impregnated portion has, in the thickness direction of the absorbent article, a low-adhesive region overlapping part, a low-adhesive region overlapping part, and a high-adhesive region overlapping part, and a high-adhesive region overlapping part, respectively. Therefore, it is preferable that the low-tackiness region overlapping portion is thicker than the high-tackiness region overlapping portion.
  • the absorbent article also has an impregnated portion in a portion that overlaps with the highly adhesive region, the adhesive material forms an impregnated portion over the entire adhesive portion, thereby further enhancing the anchor effect of the impregnated portion on the adhesive material. be able to.
  • the impregnated portion has such a configuration, it is possible to further suppress the displacement and peeling of the absorbent article when worn, and at the same time, it is easy to maintain the convex shape at the time of temporary fixing, and the temporary fixing is easier. ..
  • the impregnated portion should be continuously impregnated into three layers of SMS nonwoven fabric. Is preferred. From the same viewpoint, when the non-woven fabric sheet is composed of an air-through non-woven fabric, it is preferable that the high density layer is impregnated with the impregnated portion.
  • any method capable of changing the thickness of the impregnated portion in two different regions can be used.
  • a method for example, as the material of the adhesive material applied to the low-adhesive region and the high-adhesive region, materials having different easiness of impregnation into the non-woven sheet are used, and the adhesive applied to the respective regions is used.
  • the application amount of the material of the material may be changed, the material of the adhesive material may be applied to the respective regions, and then the respective regions may be pressed with different press pressures, but the present invention is not limited thereto.
  • the size relationship between the thickness of the low-adhesive region overlapping portion and the thickness of the high-adhesive region overlapping portion is, in the expanded state of the absorbent article, in the cross section in the direction orthogonal to the virtual fold line in the plane of the absorbent article, respectively. It is defined by the average length from the clothing facing surface side of the nonwoven fabric sheet to the clothing facing surface side of the adhesive portion in the area.
  • the magnitude relation of this average length can be obtained as the magnitude relation of the area of each part in the cross section. Then, the magnitude relationship of the areas can be obtained visually from an electron microscope image or the like of these cross sections or by using image analysis software.
  • the cross section of the absorbent article can be obtained by cutting the absorbent article soaked in liquid nitrogen and solidified.
  • FIG. 10A is a schematic diagram showing a state in which the adhesive material 6 is impregnated into the backsheet 5 which is a nonwoven fabric sheet in the sanitary napkin 100 according to the eighth embodiment of the absorbent article of the present invention.
  • the adhesive material 6 is continuous with the adhesive portion 6a and is impregnated into the back sheet 5 which is a nonwoven fabric sheet. It has the impregnated portion 6b.
  • the impregnated portion 6b has an anchor effect on the adhesive material 6, when the sanitary napkin 100 is peeled off from the clothes, the adhesive material 6 can be easily maintained on the clothes contact surface of the back sheet 5 which is a non-woven fabric sheet, and temporary fixing is performed. Even when it is repeated a plurality of times, the adhesiveness of the adhesive material 6 can be maintained.
  • FIG. 10B is a schematic view showing a state in which the adhesive material 6 is impregnated into the backsheet 5 which is a nonwoven fabric sheet in the sanitary napkin 100 according to the ninth embodiment of the absorbent article of the present invention.
  • the impregnated portion 6b is, in the thickness direction T of the sanitary napkin 100, a portion that overlaps with the virtual fold line peripheral portion R 1 that is a low-adhesive region in the thickness direction.
  • R 1 ′ that is, a low-adhesive region overlapping portion
  • a portion R 2 ′ that is, a high-adhesive region overlapping with an adjacent portion R 2 , that is, a high-adhesive region overlapping portion
  • the low-tackiness region overlapping portion is thicker than the high-tackiness region overlapping portion.
  • the sanitary napkin 100 has a portion R 2 ′ of the impregnated portion 6 b that overlaps with the adjacent portion R 2 that is a highly adhesive region, that is, a highly adhesive region overlapping portion, the adhesive portion of the impregnated portion 6 b is The anchor effect on 6a is large.
  • the absorbent article of the present invention has a virtual fold line for bending the absorbent article so that the clothing contact surface side is convex in the unfolded state.
  • the virtual fold line is a folding axis when the absorbent article is folded so that the clothing contact surface side is convex.
  • the virtual fold line is arranged, for example, at the apex of the convex shape formed when the absorbent article is bent such that the clothing contact surface side is convex.
  • the temporary fixing when the temporary fixing is performed, the temporary fixing is performed by using the convex portion formed by bending the absorbent article along the virtual fold line as a starting point, so that the absorbent article can be appropriately dressed. It's easy to fit in any position.
  • the virtual fold line In the unfolded state of the absorbent article, the virtual fold line preferably extends along the direction intersecting the longitudinal direction.
  • the absorbent article When the virtual fold line extends along the direction intersecting the longitudinal direction, the absorbent article may be bent along the virtual fold line during temporary fixing to have a shape matching the shape of the clothing. Yes, it can be aligned more appropriately.
  • the absorbent article has a base portion and a mid-height portion
  • it is preferable that the mid-height portion has a portion that overlaps with the virtual fold line in the unfolded state.
  • the absorbent article may be provided with middle and high parts from the viewpoints of fit to the body, improvement of softness, and/or improvement of absorption capacity. It is preferable that such a middle-high section has an appropriate positional relationship with the body when worn so that the above performance can be sufficiently exhibited.
  • the middle-height portion of the absorbent article is a portion where pressure is likely to be exerted by moving the legs when the absorbent article is used by being attached to clothes, and therefore overlaps with the middle-height portion in the thickness direction of the absorbent article.
  • the adhesive material is arranged at the position, the adhesion between the adhesive material and the clothes becomes stronger. Therefore, when the absorbent article is peeled off from the clothes after use, the adhesive material at the position overlapping the middle height portion in the thickness direction of the absorbent article is likely to remain on the clothes, that is, adhesive residue is likely to occur.
  • the middle high portion has a portion that overlaps with the virtual folding line
  • the low-adhesion region of the adhesive material is placed in the portion that overlaps the virtual folding line, so it is possible to position it at a position that overlaps with such a middle height portion.
  • the adhesiveness of a certain adhesive material is low, and adhesive residue is less likely to occur when the absorbent article is peeled off from the clothes after use.
  • the middle-high part has a portion that overlaps with the virtual fold line, when the absorbent article is attached to clothing, the middle-high part has a proper positional relationship with the body when worn, starting from the virtual fold line. Easy to align as it is placed.
  • the absorbent article In the unfolded state, has, in the longitudinal direction, an excretory opening contact area, and an area in front of and behind the excretory opening contact area, and the virtual fold line indicates the excretory opening contact area. It is preferably arranged in each of the region on the front side of the contact region and the region on the rear side of the excretory opening contact region.
  • both positions before and after the excretory opening contact area The temporary fixing can be performed with, and the position of the excretory opening contact region of the absorbent article can be adjusted while adjusting it to an appropriate position.
  • the absorbent article of the present invention preferably has an absorbent body that overlaps the virtual fold line in the expanded state in the thickness direction of the absorbent article.
  • the position of the absorbent body that can particularly absorb the excrement etc. be adjusted to an appropriate position.
  • the absorbent article has an absorbent body that overlaps the virtual folding line in the thickness direction of the absorbent article, it is possible to align the absorbent body with the position of the absorbent body as a starting point during temporary fixing, which is more appropriate. Can be aligned with.
  • FIG. 11 is a cross-sectional view taken along a line similar to the line A-A′ in FIG. 2 with the sanitary napkin 100 according to the tenth embodiment of the absorbent article of the present invention being deployed.
  • the sanitary napkin 100 As shown in FIG. 11, the sanitary napkin 100 according to the tenth embodiment of the absorbent article of the present invention has a base portion S 1 and a middle height portion S 2 , and in the deployed state, the middle height portion S 2 is It has a portion overlapping the virtual folding lines L 1 to L 3 .
  • a virtual fold line peripheral portion R 1 that is a low-adhesive region of the adhesive portion 6a is arranged in a portion overlapping the virtual fold line L 2. are therefore, the adhesive of the adhesive portion 6a which is positioned to overlap the domed section S 2 is low, when removing the sanitary napkin 100 from the garment after use, adhesive residue is less likely to occur.
  • the domed section S 2 has a portion that overlaps the fold line L 2 virtual, when pasting the sanitary napkin 100 to the clothes, as a starting point the virtual fold line L 2, the domed section S when worn 2 is easily aligned to be placed in an appropriate positional relationship and the body.
  • FIG. 12 is a plan view of a state where the sanitary napkin 100 according to the eleventh embodiment of the absorbent article of the present invention is deployed, as seen from the skin contact surface side.
  • the sanitary napkin 100 in the unfolded state, extends in the longitudinal direction L from the excretory opening contact area E and the excretory opening contact area E. Also has a front region F and a rear region B.
  • the virtual folding lines L 1 to L 3 are arranged in the front area F and the rear area B, respectively.
  • virtual fold lines are arranged in each of the region on the front side and the region on the rear side of the excretory opening contact region.
  • the absorbent article of the present invention can have a compressed portion.
  • the squeezing section may be disposed so as to extend across the virtual fold line, and may be disposed so as to face each other across the virtual fold line and partition the low-adhesion region and the high-adhesion region. ..
  • the squeezed part has higher rigidity because the material density is higher than that of the part of the absorbent article other than the squeezed part. Therefore, when the compressed portion extends across the virtual folding line, when the absorbent article is folded along the virtual folding line, the rigidity of the compressed portion that overlaps the folded portion maintains the folded shape. Cheap. Therefore, during the temporary fixing, the convex shape of the virtual folding line portion that is the starting point of the temporary fixing is easily maintained, and the temporary fixing is easy.
  • a virtual fold line is applied when the absorbent article of the present invention is attached to clothing. Since the wrinkles generated by bending the absorbent article along the line do not easily propagate to the opposite side via the highly rigid squeezing section, it is possible to prevent the wrinkles from propagating to the high adhesive region.
  • the squeezed part is a part of the absorbent article that has greater rigidity than other areas.
  • having high rigidity means that the material easily maintains its shape against stress.
  • the compressed portion may be formed at a specific position of the absorbent article by embossing the absorbent article or the like to increase the density of the material of the portion.
  • FIG. 13 is a plan view of a state in which the sanitary napkin 100 according to the twelfth embodiment of the absorbent article of the present invention is deployed, as seen from the clothing contact surface side.
  • the sanitary napkin 100 As shown in FIG. 13, the sanitary napkin 100 according to the twelfth embodiment of the absorbent article of the present invention has the squeezing portions 7a extending across the virtual fold lines L 1 to L 3 , respectively. There is.
  • the sanitary napkin 100 according to the twelfth embodiment of the absorbent article of the present invention is configured such that when the sanitary napkin 100 is folded along the virtual folding lines L 1 to L 3 , the compressed portion that overlaps the folded portion. Due to the rigidity of 7a, the bent shape is easily maintained. Therefore, during temporary fixing, the convex shapes of the virtual folding lines L 1 to L 3 that are the starting points of temporary fixing are easily maintained, and temporary fixing is easy.
  • FIG. 14 is a plan view of a state in which the sanitary napkin 100 according to the thirteenth embodiment of the absorbent article of the present invention is deployed, as seen from the clothing contact surface side.
  • the virtual fold line peripheral portion R 1 which is a low adhesive area and the adjacent portion R 2 which is a high adhesive area. And are partitioned by a pair of squeezing portions 7b facing each other with the virtual folding lines L 1 to L 3 interposed therebetween.
  • the sanitary napkin 100 according to the thirteenth embodiment of the absorbent article of the present invention wrinkles caused by bending the sanitary napkin 100 along the virtual fold lines L 1 to L 3 at the time of temporary fixing. It is possible to suppress the propagation to the adjacent portion R 2 which is a highly adhesive region.
  • the sanitary napkin 100 according to the thirteenth embodiment of the absorbent article of the present invention wrinkles caused by bending the sanitary napkin 100 along the virtual fold lines L 1 to L 3 at the time of temporary fixing. Since it is difficult for the wrinkles to propagate to the opposite side of the compressed portion 7b having high rigidity, it is possible to prevent the wrinkles from propagating to the adjacent portion R 2 which is a highly adhesive region. Thus, when the stopper is a high tack region can improve adhesion to clothing adjacent portions R 2, can be further suppressed shift or peeling of the sanitary napkin 100 when worn is there.
  • the absorbent article to which the present invention is applied is not limited to the sanitary napkin of each of the above-described embodiments, and can be applied to all absorbent articles that are used by being attached to clothes, for example, a light incontinence pad. , It can be applied to various absorbent articles such as panty liners. Further, regarding each sheet constituting the absorbent article, in addition to the above-mentioned surface sheet, non-woven fabric sheet, and the like, various sheets are assumed according to the type of the absorbent article to be applied and the like.
  • a sheet for example, a liquid-permeable diffusion material that is disposed between the topsheet and the absorbent body or between the absorbent body and the non-woven fabric sheet and diffuses excreted liquid such as urine in the longitudinal direction or the width direction.
  • a liquid-permeable diffusion material that is disposed between the topsheet and the absorbent body or between the absorbent body and the non-woven fabric sheet and diffuses excreted liquid such as urine in the longitudinal direction or the width direction. Examples include sheets.
  • Topsheet 2 Absorber 3 Sidesheet 4 Groove 5 Backsheet 6
  • Adhesive 6a Adhesive 6b Impregnated 7a, 7b Compressed 100 100 Sanitary napkin 200 Clothes L 1 to L 3 Virtual fold line S 1 Base S 2 Middle-high part

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

Abstract

L'invention concerne un article absorbant qui peut être facilement fixé à un emplacement approprié sur un vêtement.　Cet article absorbant 100 comprend une feuille 5 disposée sur le côté de la surface tourné vers le vêtement et un matériau adhésif 6 qui est destiné à être fixé à un vêtement et qui est disposé sur la surface de la feuille 5 sur le côté de la surface tourné vers le vêtement. Dans l'état déployé, cet article absorbant 100 est doté de lignes de pliage virtuelles L1 à L3 qui chevauche le matériau adhésif 6 dans le sens de l'épaisseur et le long desquelles l'article absorbant 100 est plié de telle sorte que le côté de la surface tourné vers le vêtement est incurvé vers l'extérieur. Le matériau adhésif 6 est doté d'une partie adhésive 6a sur la surface de la feuille sur le côté de la surface tourné vers le vêtement. Dans la partie adhésive 6a, des parties dont la longueur est comprise entre 1/2 πd (où d est l'épaisseur moyenne de l'article absorbant dans l'état déployé) et les lignes virtuelles dans la direction perpendiculaire aux lignes virtuelles dans le plan de l'article absorbant sont plus épaisses que les parties 62 adjacentes à celles-ci.
PCT/JP2019/049674 2018-12-28 2019-12-18 Article absorbant WO2020137757A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201980086817.6A CN113271901B (zh) 2018-12-28 2019-12-18 吸收性物品

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2018-248328 2018-12-28
JP2018-248210 2018-12-28
JP2018248328A JP7090541B2 (ja) 2018-12-28 2018-12-28 吸収性物品
JP2018248210A JP7090540B2 (ja) 2018-12-28 2018-12-28 吸収性物品

Publications (1)

Publication Number Publication Date
WO2020137757A1 true WO2020137757A1 (fr) 2020-07-02

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CN (1) CN113271901B (fr)
WO (1) WO2020137757A1 (fr)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0471384A1 (fr) * 1990-08-17 1992-02-19 McNEIL-PPC, INC. Articles absorbants avec système intégré de détachement et leur procédé de fabrication
JP2009028139A (ja) * 2007-07-25 2009-02-12 Uni Charm Corp 吸収性物品
JP2010220911A (ja) * 2009-03-25 2010-10-07 Daio Paper Corp 個装吸収性物品
JP2011135994A (ja) * 2009-12-28 2011-07-14 Daio Paper Corp 包装吸収性物品
JP2014030477A (ja) * 2012-08-01 2014-02-20 Livedo Corporation 吸収性物品
JP2015211740A (ja) * 2014-05-02 2015-11-26 大王製紙株式会社 吸収性物品
JP2018015467A (ja) * 2016-07-29 2018-02-01 ユニ・チャーム株式会社 吸収性物品

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Publication number Priority date Publication date Assignee Title
KR100276454B1 (ko) * 1992-08-21 2001-03-02 데이비드 엠 모이어 개별적으로 팩키지된 일회용 흡수제품을 위한 재결착가능한 접착성 결착 시스템
JP4619159B2 (ja) * 2004-03-23 2011-01-26 花王株式会社 吸収性物品
JP4518868B2 (ja) * 2004-08-18 2010-08-04 花王株式会社 吸収性物品
EP1702599A1 (fr) * 2005-03-18 2006-09-20 3M Innovative Properties Company Article absorbant
JP4596965B2 (ja) * 2005-04-25 2010-12-15 花王株式会社 吸収性物品
JP5693118B2 (ja) * 2010-09-29 2015-04-01 ユニ・チャーム株式会社 吸収性物品、及び当該吸収性物品の製造方法
JP6336370B2 (ja) * 2014-04-15 2018-06-06 ユニ・チャーム株式会社 吸収性物品

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0471384A1 (fr) * 1990-08-17 1992-02-19 McNEIL-PPC, INC. Articles absorbants avec système intégré de détachement et leur procédé de fabrication
JP2009028139A (ja) * 2007-07-25 2009-02-12 Uni Charm Corp 吸収性物品
JP2010220911A (ja) * 2009-03-25 2010-10-07 Daio Paper Corp 個装吸収性物品
JP2011135994A (ja) * 2009-12-28 2011-07-14 Daio Paper Corp 包装吸収性物品
JP2014030477A (ja) * 2012-08-01 2014-02-20 Livedo Corporation 吸収性物品
JP2015211740A (ja) * 2014-05-02 2015-11-26 大王製紙株式会社 吸収性物品
JP2018015467A (ja) * 2016-07-29 2018-02-01 ユニ・チャーム株式会社 吸収性物品

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CN113271901B (zh) 2022-04-29

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