WO2022244585A1 - 吸収性物品及び吸収性物品の製造方法 - Google Patents
吸収性物品及び吸収性物品の製造方法 Download PDFInfo
- Publication number
- WO2022244585A1 WO2022244585A1 PCT/JP2022/018340 JP2022018340W WO2022244585A1 WO 2022244585 A1 WO2022244585 A1 WO 2022244585A1 JP 2022018340 W JP2022018340 W JP 2022018340W WO 2022244585 A1 WO2022244585 A1 WO 2022244585A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- absorbent article
- skin
- width direction
- sheet
- mark
- Prior art date
Links
- 230000002745 absorbent Effects 0.000 title claims abstract description 352
- 239000002250 absorbent Substances 0.000 title claims abstract description 352
- 238000004519 manufacturing process Methods 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 13
- 238000010521 absorption reaction Methods 0.000 claims abstract description 21
- 239000000853 adhesive Substances 0.000 claims description 42
- 230000001070 adhesive effect Effects 0.000 claims description 42
- 238000005304 joining Methods 0.000 claims description 25
- 238000005520 cutting process Methods 0.000 claims description 17
- 239000003550 marker Substances 0.000 abstract 3
- 229920000247 superabsorbent polymer Polymers 0.000 description 15
- 238000012986 modification Methods 0.000 description 13
- 230000004048 modification Effects 0.000 description 13
- 230000006866 deterioration Effects 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 206010021639 Incontinence Diseases 0.000 description 2
- 240000001973 Ficus microcarpa Species 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 210000001217 buttock Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000029142 excretion Effects 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
-
- 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
- A61F13/51—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 outer layers
- A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/535—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes
- A61F13/536—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad, e.g. core absorbent layers being of different sizes having discontinuous areas of compression
-
- 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 an absorbent article to be worn on a wearing article such as underwear, and a method for manufacturing the absorbent article.
- the absorbent article can fully demonstrate its absorbent performance by being worn in an appropriate position. Therefore, there have been provided absorbent articles with marks that serve as a reference for the wearing position (see Patent Documents 1 and 2, for example).
- the mark of Patent Literature 1 is composed of substantially concentric marks, and is provided so as to be visible from the surface side of the absorbent article.
- the mark of Patent Document 2 is provided on the outer edge of the absorbent article of the topsheet. According to the absorbent article, the wearer can wear the absorbent article using the mark as a reference.
- Patent Document 1 has a design of concentric circles that indicates the center of the absorbent position
- the mark of Patent Document 2 has a design that indicates the center of the absorbent article in the width direction.
- An absorbent article includes an absorbent core, a skin-side sheet arranged closer to the skin than the absorbent core, and a mark provided on the skin-side sheet for indicating a wearing position. At least a portion of the mark portion is located forward of the center of the absorbent article in the front-rear direction.
- the front edge of the mark portion has a first front edge located on one side of the width direction and a second front edge located on the other side of the width direction. An imaginary line connecting the first front edge and the second front edge extends along the width direction.
- a method for manufacturing an absorbent article includes an absorbent core, a skin-side sheet arranged closer to the skin than the absorbent core, a mark provided on the skin-side sheet for indicating a wearing position, have A method for manufacturing an absorbent article includes a marking step of attaching the marking portion to the skin-side sheet, and a joining step of joining the skin-side sheet and the absorbent core after the marking step.
- the merging step at least a portion of the mark portion is arranged on the front side of the center of the absorbent article in the front-rear direction, and the front end edge of the mark portion is positioned at the outer edge on one side in the width direction.
- An imaginary line connecting the first front edge and the second front edge located at the outer edge on the other side in the width direction of the front edge of the mark portion is arranged along the width direction of the absorbent article.
- FIG. 1 is a plan view of an absorbent article according to an embodiment viewed from the skin side.
- FIG. 2 is a plan view of the absorbent article according to the embodiment viewed from the non-skin surface side.
- 3 is a cross-sectional view of the absorbent article taken along line AA shown in FIG. 1.
- FIG. 4 is an enlarged plan view of the mark portion.
- FIG. 5 is a plan view of an absorbent article according to a modification, viewed from the skin surface side.
- FIG. 6 is a diagram for explaining the manufacturing method of the absorbent article.
- An absorbent article according to aspect 1 has an absorbent core, a skin-side sheet arranged closer to the skin than the absorbent core, and a marking portion provided on the skin-side sheet for indicating a wearing position. At least a portion of the mark portion is located forward of the center of the absorbent article in the front-rear direction.
- the front edge of the mark portion has a first front edge located on one side of the width direction and a second front edge located on the other side of the width direction.
- An imaginary line connecting the first front edge and the second front edge extends along the width direction.
- the region on the front side of the center of the front and back of the article is a region that is easily noticeable to the user (wearing assistant or wearer) when wearing the article. Since at least a portion of the mark portion is positioned forward of the center of the front and back of the article, the user can easily notice the presence of the mark portion during the mounting operation. In addition, since the imaginary line connecting the first front edge and the second front edge extends along the width direction, the user can easily notice the lateral inclination of the absorbent article when the absorbent article is aligned based on the mark. . Therefore, it is easy for the user to arrange the absorbent article without tilting it in the width direction, and it is easy for the user to appropriately arrange the absorbent article along the front-rear direction of the body. Therefore, it is possible to properly arrange the absorbent article and suppress deterioration of wearing feeling such as leakage.
- the invention according to aspect 2 may have the following features in the invention according to aspect 1.
- the first front edge is positioned on one side with respect to the center in the width direction of the absorbent article
- the second front edge is positioned on the other side with respect to the center in the width direction of the absorbent article.
- the invention according to aspect 3 may have the following features in the invention according to aspect 1 or aspect 2.
- the absorbent article has a backsheet arranged on the non-skin surface side of the absorbent core, and a fastening portion arranged on the backsheet and attached to the worn article.
- the outer edge in the width direction of the fastening portion is located inside the first front edge in the width direction and inside the second front edge in the width direction.
- the fastening portion for fastening the absorbent article to the worn article is located inside the first front edge and the second front edge in the width direction, and is provided in a region overlapping the first front edge and the second front edge. do not have.
- the user may align the first front edge (and the second front edge) of the marking portion during application. At this time, even if the first front edge and the second front edge are aligned, since they are not fixed to the wearing article via the fastening portion, the wearing position can be easily adjusted, and the wearable article can be easily worn at an appropriate position. Become.
- the invention according to aspect 4 may have the following features in the invention according to any one of aspects 1 to 3.
- the absorbent article is folded so that the skin sides of the absorbent article face each other with the crease along the width direction as a base point.
- the fold line has a front fold line that overlaps the mark portion on the front side of the center of the absorbent article in the front-rear direction.
- at least a portion of the mark portion is located on the front side of the front fold, and stands up on the skin surface side due to the crease of the front fold. Therefore, the user can easily visually recognize the front edge of the mark portion, and can properly wear the absorbent article based on the mark portion.
- the invention according to aspect 5 may have the following features in the invention according to any one of aspects 1 to 4.
- the mark portion has a front-rear mark portion extending along the front-rear direction. According to this aspect, it becomes easier for the user to grasp the orientation of the absorbent article in the front-rear direction by means of the front-rear marking portion.
- the invention according to aspect 6 may have the following features in the invention according to aspect 5.
- At least one of the outer edge of the absorbent core and the outer edge of the absorbent article is provided with a constricted portion recessed inward in the width direction.
- the front-rear direction indicated by the front-rear mark portion has a shape different from that of the constricted portion, the user can easily recognize the front-rear direction.
- the front-rear direction by the front-rear mark portion becomes more conspicuous, and the user can more easily grasp the direction in the front-rear direction.
- the invention according to aspect 7 may have the following features in the invention according to aspect 5.
- a plurality of the front-rear mark portions are provided at intervals in the front-rear direction.
- the mark portion has a division mark portion disposed between the front and rear mark portions.
- the front and rear mark portions are more conspicuous due to the division mark portion. Therefore, it becomes easier for the user to grasp the orientation in the front-rear direction.
- the invention according to aspect 8 may have the following features in the invention according to aspect 7.
- a plurality of the front and rear mark portions are provided at intervals in the width direction.
- the division mark portion extends along the width direction.
- the front and rear marking portions can indicate the front and rear direction over a wide range in the width direction. While the front-rear marking portion indicates the front-rear direction of the absorbent article, the dividing marking portion can indicate the width direction of the absorbent article.
- the invention according to aspect 9 may have the following features in the invention according to any one of aspects 1 to 8.
- the front edge of the mark portion overlaps the absorbent core on the rear side of the front edge of the absorbent core.
- the absorbent core can be positioned by the front edge of the mark.
- the front edge of the mark portion is positioned behind the front edge of the absorbent core, the front edge of the mark portion is prevented from being distorted due to unevenness of the step due to the boundary of the front edge of the absorbent core. Therefore, the positioning function by the front edge of the mark portion can be easily exhibited.
- the invention according to aspect 10 may have the following features in the invention according to any one of aspects 1 to 9.
- the absorbent core has a high absorption area with a higher absorption capacity than its surroundings. At least part of the front edge of the mark portion is arranged in a region overlapping with the high absorption region.
- the high absorption region can be positioned by positioning the front edge of the mark portion. It can be installed in an appropriate position where absorption capacity is required.
- the invention according to aspect 11 may have the following features in the invention according to any one of aspects 1 to 10.
- the mark portion is provided on a mark sheet that constitutes the skin-side sheet.
- a front edge of the mark sheet extends along the width direction.
- the outer edge of the mark sheet in the width direction extends along the front-rear direction.
- the front edge and the outer edge of the mark sheet can indicate the front-rear direction and the width direction, so that the orientation of the absorbent article can be arranged more appropriately.
- the invention according to aspect 12 may have the following features in the invention according to any one of aspects 1 to 11.
- the skin-side sheet has a topsheet that constitutes the skin surface of the absorbent article. Ridges and grooves extending in the front-rear direction are provided alternately in the width direction on the surface sheet. At least part of the mark portion overlaps the groove portion.
- the front-rear direction of the absorbent article can be indicated by the grooves and ridges of the topsheet. Further, since the mark portion is provided so as to overlap with the groove portion, the visibility of the mark portion can be easily ensured, and positioning by the mark portion can be performed.
- the invention according to aspect 13 may have the following features in the invention according to aspect 12.
- the mark portions extend along the front-rear direction and are arranged at intervals in the width direction.
- the interval between the mark portions is different from the length of the groove portion in the width direction.
- the width of the mark portion is longer than the length of the ridge portion in the width direction. According to this aspect, since the interval between the mark portions differs from the length of the groove portion in the width direction, it is possible to prevent the groove portion from completely overlapping the interval between the mark portions. Further, since the width of the mark portion is longer than the length of the ridge portion in the width direction, the visibility of the mark portion in the region that does not overlap with the ridge portion can be ensured.
- the invention according to aspect 14 may have the following features in the invention according to any one of aspects 1 to 13. It has a compressed portion obtained by compressing the skin-side sheet and the absorbent core in the thickness direction.
- the mark portion has a laminated portion that overlaps with the compressed portion and a non-laminated portion that does not overlap with the compressed portion.
- the laminated portion of the mark portion is compressed in the thickness direction. Therefore, the visibility of the laminated portion from the skin surface of the absorbent article is higher than the visibility of the non-laminated portion. Therefore, the user can easily grasp the mark portion of the laminated portion, and can easily perform positioning by the mark portion.
- the non-laminated portion is not compressed in the thickness direction. Therefore, the non-laminated portion is not deformed in the thickness direction as compared with the laminated portion, and it is easy to ensure the visibility in plan view.
- a method for manufacturing an absorbent article according to aspect 15 includes an absorbent core, a skin-side sheet arranged closer to the skin surface than the absorbent core, a mark provided on the skin-side sheet for indicating a wearing position, have A method for manufacturing an absorbent article includes a marking step of attaching the marking portion to the skin-side sheet, and a joining step of joining the skin-side sheet and the absorbent core after the marking step. In the merging step, at least a portion of the mark portion is arranged on the front side of the center of the absorbent article in the front-rear direction, and the front end edge of the mark portion is positioned at the outer edge on one side in the width direction.
- An imaginary line connecting the first front edge and the second front edge located at the outer edge on the other side in the width direction of the front edge of the mark portion is arranged along the width direction of the absorbent article.
- the region on the front side of the center of the front and back of the article is a region that is easily noticeable to the user (wearing assistant or wearer) when wearing the article.
- at least a part of the marking portion is positioned forward of the center of the front and back of the article, so that the user can easily notice the existence of the marking portion during the wearing operation.
- the imaginary line connecting the first front edge and the second front edge extends along the width direction, the user can easily notice the lateral inclination of the absorbent article when the absorbent article is aligned based on the mark. . Therefore, it is easy for the user to arrange the absorbent article without tilting it in the width direction, and it is easy for the user to appropriately arrange the absorbent article along the front-rear direction of the body. Therefore, it is possible to properly arrange the absorbent article and suppress deterioration of wearing feeling such as leakage.
- the invention according to aspect 16 may have the following features in the invention according to aspect 15.
- a colored adhesive that constitutes the marking portion is applied to the non-skin surface side of the skin-side sheet.
- the colored adhesive part is arranged inside the surface of the absorbent article that is closest to the skin, even if the skin surface of the absorbent article rubs against the marking part, Visibility is not reduced.
- the adhesive for adhering to the absorbent core can also serve as a mark.
- the invention according to aspect 17 may have the following features in the invention according to aspect 16.
- the absorbent core is placed on the skin surface of the non-skin-side continuous sheet in which the sheet covering the non-skin surface side of the absorbent core is continuous, and the skin-side continuous sheet is connected to the skin-side continuous sheet.
- a continuum joining step of joining the non-skin-side continuous sheet; and a cutting step of cutting the non-skin-side continuous sheet and the skin-side continuous sheet along the width direction after the continuum joining step. have.
- the non-skin-side continuous sheet and the skin-side continuous sheet are separated along the width direction. Therefore, the colored adhesive portion can also be cut along the width direction. Therefore, the imaginary line connecting the first front edge and the second front edge can be easily arranged along the width direction.
- the invention according to aspect 18 may have the following features in the invention according to aspect 17.
- the merging step after the continuum merging step and the cutting step, the upper absorbent body obtained by the cutting step and the lower absorbent body laminated on the non-skin surface side of the upper absorbent body are merged. and an upper and lower merging step.
- the absorbent article having the upper absorbent body and the lower absorbent body can be obtained by the upper and lower joining process.
- the upper absorbent body to which the colored adhesive is applied is positioned closer to the skin surface than the lower absorbent body, so that the visibility of the marked portion by the colored adhesive can be ensured.
- absorbent articles according to embodiments will be described with reference to the drawings.
- Absorbent articles can be exemplified by absorbent articles that are used by being attached to wearing articles (including diapers) such as sanitary napkins, panty liners, and incontinence pads.
- wearing articles including diapers
- sanitary napkins such as sanitary napkins, panty liners, and incontinence pads.
- a light incontinence pad will be described as an example of an absorbent article.
- the same or similar reference numerals are given to the same or similar parts.
- the drawings are schematic and the ratio of each dimension may differ from the actual one. Therefore, specific dimensions and the like should be determined with reference to the following description.
- portions having different dimensional relationships and ratios may also be included between the drawings.
- FIG. 1 is a plan view of an absorbent article according to an embodiment, viewed from the skin surface side T1.
- FIG. 2 is a plan view of the absorbent article according to the embodiment viewed from the non-skin surface side T2.
- 3 is a cross-sectional view of the absorbent article taken along line AA shown in FIG. 1.
- FIG. 4 is an enlarged plan view of the mark portion.
- each member constituting the absorbent article is separated in the thickness direction for convenience of explanation, but in an actual product, each member has a jointed portion.
- the absorbent article 1 has a front-back direction L and a width direction W perpendicular to each other, and a thickness direction T extending from the wearer's skin side T1 to the non-skin side T2.
- the skin side T1 corresponds to the side facing the wearer's skin in use.
- the non-skin side T2 corresponds to the side opposite to the skin side T1, ie the side directed away from the wearer's skin during use.
- the absorbent article 1 has a front side region S2 and a back side region S3.
- the front side region S2 is located on the front side of the center of the absorbent article 1 in the front-back direction L
- the rear side region S3 is located on the rear side of the center of the absorbent article 1 in the front-back direction L.
- the front edge of the front side region S2 defines the front edge of the absorbent article 1 .
- the rear edge of the rear side region S3 defines the rear edge of the absorbent article 1.
- the outer edge is the outer edge in the width direction W
- the inner edge is the inner edge in the width direction W.
- the leading edge is the leading edge and the trailing edge is the trailing edge.
- the absorbent article 1 may have at least an absorbent core 30 , a skin-side sheet 20 and a backsheet 25 .
- the absorbent core 30 may be arranged in the front region S2 and the rear region S3.
- the absorbent core 30 has an absorbent material that absorbs liquids.
- This embodiment may have pulp and SAP (superabsorbent polymer) as absorbent material.
- SAP superabsorbent polymer
- the absorbent material of the absorbent core according to the modification may be only pulp, or may be only SAP.
- the absorbent core 30 may have one layer or multiple layers. As shown in FIG. 3 and the like, the absorbent core of the present embodiment is composed of a plurality of layers, and includes an upper absorbent core 31 and a lower absorbent core 32 located on the non-skin surface side T2 of the upper absorbent core 31. have.
- the upper absorbent core 31 is composed of a SAP sheet with an SAP disposed between two sheets.
- the lower absorbent core 32 contains pulp and SAP.
- the upper absorbent core 31 is rectangular in plan view. The edge of the upper absorbent core 31 in the front-rear direction L may be located inside the edge of the lower absorbent core 32 in the front-rear direction L in the front-rear direction L.
- the lower absorbent core 32 has an hourglass shape in plan view.
- the outer edge of the lower absorbent core 32 is provided with a constricted portion 32C recessed inward in the width direction.
- the absorbent core 30 has a low absorption area in which only one of the upper absorption core 31 and the lower absorption core 32 is arranged, and the upper absorption core 31 and the lower absorption core 32 overlap each other, and the absorption capacity is larger than that of the surrounding area (low absorption area). and a high absorption region with a high
- the absorbent core 30 may be covered with a core wrap.
- the core wrap may have a skin-side core wrap layer 35 positioned on the skin side T1 of the absorbent core 30 and a non-skin-side core wrap layer 36 positioned on the non-skin side T2 of the absorbent core 30 .
- the skin-side core wrap layer 35 of the present embodiment is composed of a sheet positioned on the skin-side T1 of the upper absorbent core 31, and the non-skin-side core-wrap layer 36 is positioned on the non-skin-side T2 of the lower absorbent core 32. It is composed of a sheet that The skin-side core wrap layer 35 and the non-skin-side core wrap layer 36 are composed of separate sheets and are separated from each other.
- the skin-side core wrap layer 35 covers the upper absorbent core 31 and has a length in the front-rear direction L that is shorter than the length in the front-rear direction L of the non-skin-side core wrap layer 36 .
- the skin-side core wrap layer 35 and the non-skin-side core wrap layer 36 may be made of the same sheet and connected to each other.
- the core wrap may have a sheet other than the skin-side core wrap layer 35 and the non-skin-side core wrap layer 36 .
- the skin-side sheet 20 is a sheet arranged closer to the skin surface side T1 than the absorbent core 30 is.
- the sheet positioned closer to the skin surface side T1 than the absorbent core positioned closest to the skin surface constitutes the skin-side sheet.
- the skin-side sheet 20 includes the surface sheet 10 and a skin-side core wrap layer 35. - ⁇ The skin-side sheet 20 may further have a cushion sheet 15 arranged between the topsheet 10 and the skin-side core wrap layer 35 .
- Skin-side sheet 20 of the present embodiment includes skin-side core wrap layer 35 , topsheet 10 , and cushion sheet 15 .
- the topsheet 10 constitutes the skin surface of the absorbent article 1 and is a sheet that comes into contact with the wearer.
- the surface sheet 10 may be made of nonwoven fabric.
- the topsheet 10 of the present embodiment may have a hydrophilic center sheet 11 covering the widthwise center of the absorbent core 30 and a hydrophobic side sheet 12 covering the sides of the center sheet 11 .
- the side seat 12 has a folded portion 13 that is folded outward in the width direction W from a fold along the front-rear direction L as a base point.
- An elastic member 14 that is arranged in a state of being stretched in the front-rear direction L is arranged in the folded portion 13 .
- the folded portion 13 is configured to be able to stand on the skin surface side T1 by contraction of the elastic member 14 .
- the topsheet 10 may be composed of a single sheet arranged over the entire absorbent article.
- Ridges and grooves (not shown) extending in the front-rear direction L may be provided alternately in the width direction W on at least the center sheet 11 of the topsheet 10 .
- the ridges are located on the skin surface side T1 of the center of the center sheet 11 in the thickness direction T, and the grooves are located on the non-skin surface side T2 of the center of the center sheet 11 in the thickness direction T. It is the part that is located.
- the width of the ridge may be longer than the width of the groove.
- the width of the ridge may be 1.3 mm or more and 1.5 mm or less, and the width of the groove may be 1.1 mm or more and less than 1.3 mm.
- the ridges and grooves may be arranged over the entire area of the center seat 11 in the front-rear direction L.
- the cushion sheet 15 is a sheet that enhances the drawability of bodily fluids to the non-skin surface side T2.
- the cushion sheet 15 may be arranged over the entire area in the front-rear direction L of the absorbent article 1 .
- the outer edge 15E of the cushion sheet 15 extends along the front-rear direction L and may be located inside the outer edge 35E of the skin-side core wrap layer 35 (the outer edge 31E of the upper absorbent core 31) in the width direction W.
- the outer edge 15E of the cushion seat 15 may be located outside the inner edge 12I of the side seat 12 in the width direction W.
- the back sheet 25 is arranged over the entire area of the absorbent article 1 and comes into contact with the worn article.
- the back sheet 25 is arranged on the non-skin side T2 of the non-skin side core wrap layer 36 .
- the backsheet 25 may be composed of a liquid-impermeable sheet (for example, film).
- the non-skin surface of the backsheet 25 may be provided with a fastening portion 60 for fastening the absorbent article 1 to a worn article such as underwear.
- the fastening portion 60 may be a region coated with an adhesive such as a hot-melt adhesive, or may be a region provided with a mechanical hook.
- the fastening portion 60 may be arranged in a region overlapping the absorbent core 30 .
- the fastening portion 60 may be covered with a release sheet or packaging sheet (not shown) before use.
- the fastening portion 60 may be arranged symmetrically with respect to the article width center 1CW, which is the center of the absorbent article 1 in the width direction W.
- the fastening portions 60 may extend along the front-rear direction L, and include a pair of first fastening portions 61 positioned on the side of the article width center 1 CW and positioned outside the first fastening portions 61 in the width direction W. and a second fastening portion 62 .
- the first fastening portion 61 extends across the front side region S2 and the rear side region S3.
- the second fastening portions 62 are arranged separately from each other in the front side region S2 and the rear side region S3.
- the front edge 62F of the second fastening portion 62 is located forward of the front edge 61F of the first fastening portion 61, and in the rear side region S3, the rear edge of the second fastening portion 62 62R is located on the rear side of the rear edge 61R of the first fastening portion 61 .
- the absorbent article 1 has a compressed portion 50 obtained by compressing the skin-side sheet 20 and the absorbent core 30 in the thickness direction.
- the pressing part 50 may be provided on at least the topsheet 10 and the absorbent core 30 among the plurality of skin-side sheets 20 .
- the pressing portions 50 may extend in a curved line in the front-rear direction L, and may be provided as a pair on both sides of the article width center 1CW.
- the pressing portion 50 may have a first curved portion 51 that curves inward in the width direction W and a second curved portion 52 that curves outward in the width direction W.
- the first curved portion 51 is arranged across the article front-rear center 1CL.
- the second curved portion 52 is arranged on the front side and the rear side of the first curved portion 51 respectively.
- the first curved portion 51 and the second curved portion 52 are continuous in the front-rear direction L. As shown in FIG.
- the absorbent article 1 Before use, the absorbent article 1 may be folded with the crease along the width direction W as a base point so that the skin sides of the absorbent article face each other.
- the fold line may have a front fold line FW2 and a rear fold line FW1 extending in the width direction W.
- the front fold line FW2 is provided in the front side region S2
- the rear fold line FW1 is provided in the rear side region S3.
- the front fold line FW2 is separated from the rear fold line FW1 in the front-rear direction L, and may be positioned forward of the rear fold line FW1.
- the plurality of folds may have front-back folds extending in the front-rear direction L.
- the absorbent article 1 of the present embodiment is configured so that the orientation of the absorbent article 1 in the front-rear direction L can be easily arranged appropriately when worn. Next, a configuration for facilitating proper arrangement of the absorbent article 1 in the front-rear direction L will be described in detail.
- the absorbent article 1 has a mark portion 80 that indicates the wearing position.
- the mark portion 80 is provided on the skin-side sheet 20 . That is, the mark portion 80 is arranged on the skin side T1 of the absorbent core 30 and is provided on at least one of the topsheet 10 , the cushion sheet 15 and the skin side core wrap layer 35 .
- the mark portion 80 may be printed on the skin-side sheet 20, or may be attached to the skin-side sheet 20 with ink or a colored adhesive.
- the mark part 80 of this embodiment is printed on the skin side core wrap layer 35 . Therefore, the skin-side core wrap layer 35 constitutes the mark sheet of the present invention.
- the mark sheet is a sheet of the skin-side sheet 20 to which a mark portion 80 is attached.
- the number of mark sheets may be one as in the present embodiment, or may be plural.
- FIG. 4 shows the skin-side core wrap layer 35 viewed from the skin surface side T1, and is an enlarged plan view of the mark portion 80. As shown in FIG.
- At least a portion of the mark portion 80 is positioned forward of the article front-rear center 1CL. That is, the front edge 80F of the mark portion 80 is positioned forward of the article front-rear center 1CL.
- the front edge 80F of the mark portion 80 is composed of a first front edge 80F1 located at the outer edge on one side in the width direction of the front edge 80F and a second front edge located at the outer edge on the other side in the width direction W of the front edge 80F. and edge 80F2.
- the first front edge 80F1 and the second front edge 80F2 are continuous with each other.
- the first front edge 80F of the mark portion 80 is not continuous in the width direction W (separated in the width direction W as in the present embodiment)
- the first front edge 80F1 and the second front edge 80F2 are spaced apart from each other.
- An imaginary line EL1 connecting the first front edge 80F1 and the second front edge 80F2 extends along the width direction W.
- the configuration along an arbitrary direction eg, width direction
- the virtual line EL1 can be set as follows. A point (P1) located at the front edge of the mark portion 80 is determined. A line extending parallel to the width direction W from P1, and if a mark portion other than P1 is positioned on the line, the line extending parallel to the width direction W from P1 is defined as a virtual line EL1. Further, when a line is extended from P1 in parallel with the width direction W, and no mark portion other than P1 is positioned on the line, the line extending parallel with the width direction W from P1 is gradually tilted with P1 as the center point. As the line is tilted, the first point on the line other than P1 is defined as P2.
- the line connecting P1 and P2 is defined as virtual line EL1.
- P1 and P2 may be points included in an integrated mark portion (for example, a mark portion), or may be points of separate mark portions (mark portions separated from each other in the width direction W). good too.
- a region on the front side of the article front-rear center 1CL is a region that is easily noticeable to the user (wearing assistant or wearer) when wearing it. Since at least a portion of the mark portion 80 is positioned forward of the article front-rear center 1CL, the user can easily notice the presence of the mark portion 80 during the mounting operation. Further, depending on the user, after aligning the absorbent article 1 from the front side, the entire absorbent article 1 may be aligned from the front side to the rear side. Since the imaginary line EL1 extends along the width direction W when the absorbent article 1 is aligned based on the mark portion 80, the user can easily notice the inclination of the absorbent article 1. FIG.
- the user can easily arrange the absorbent article 1 appropriately so that the front-rear direction L of the absorbent article 1 is along the front-rear direction of the body. Therefore, it is possible to properly arrange the absorbent article 1 and suppress deterioration of wearing feeling such as leakage.
- the absorbent article when the absorbent article is used in a relatively dark place such as a restroom, or when a user who is visually difficult to see characters due to factors such as old age wears the absorbent article, the absorbent article cannot be worn properly. There is a risk.
- the direction of the absorbent article can be indicated by the mark portion, the user can intuitively grasp the direction of the absorbent article and wear the absorbent article appropriately.
- At least a part of the mark part 80 may be arranged in the front side region S2, and may be arranged only in the front side region S2.
- the mark portions may be arranged in the front side region S2 and the rear side region S3.
- the mark portion arranged in the front side region S2 and the mark portion arranged in the rear side region S3 may be continuous or may be separated from each other.
- the mark portion may be arranged on one side with respect to the article width center 1CW, and may not be arranged on the other side with respect to the article width center 1CW, as in a modified example described later.
- the first front edge 80F1 may be located on one side of the article width center 1CW, and the second front edge 80F2 may be located on the other side of the article width center 1CW. That is, the front edge 80F of the mark portion may be arranged on both sides of the article width center 1CW. According to this configuration, it is possible to adjust the wearing direction based on the mark portion 80 over the entire area in the width direction W of the absorbent article 1 . Further, even if only one side of the article width center 1CW can be visually recognized, the user can notice the existence of the mark portion 80 .
- the mark portions 80 may be arranged symmetrically with respect to the article width center 1CW. The user can arrange the absorbent article 1 in a well-balanced manner based on the mark portion 80, and can be aware of the position of the article width center 1CW.
- another front edge 80F is arranged between the first front edge 80F1 and the second front edge 80F2.
- a plurality of points forming the front edge 80F may be arranged on the virtual line EL1.
- four front edges 80F are arranged on the imaginary line EL1 so as to be spaced apart in the width direction.
- the position of the front edge 80F and the direction along the width direction W defined by the imaginary line EL1 can be made more conspicuous.
- the mark portion 80 may have a front-rear mark portion 81 extending along the front-rear direction L. According to this configuration, the user can more easily grasp the orientation of the absorbent article 1 in the front-rear direction L by the front-rear marking portion 81 . Further, the front-rear mark portion 81 may have a linear shape extending in the front-rear direction L, or may have a shape in which a plurality of constituent portions such as dots are linearly arranged. Preferably, a plurality of the front and rear mark portions 81 may be arranged at intervals in the width direction W.
- a user can easily grasp the inclination of the entire absorbent article 1 by means of the plurality of front and rear mark portions 81, as compared with a configuration in which one front and rear mark portion is provided. More preferably, the front and rear mark portions 81 may be arranged on both sides of the article width center 1CW. According to this configuration, it becomes easier to grasp the inclination of the absorbent article 1 over the entire area in the width direction W of the absorbent article 1 .
- a plurality of the front-rear mark portions 81 may be provided at intervals in the front-rear direction L.
- the mark portion 80 may have a division mark portion 82 arranged between the front and rear mark portions 81 in the front-rear direction L. As shown in FIG. According to this configuration, the division mark portion 82 makes each of the front and rear mark portions 81 more conspicuous.
- the division mark portion 82 may have a shape different from that of the front/rear mark portion 81 .
- the length in the width direction W of the division mark portion 82 may be different from the length in the width direction W of the front and rear mark portions 81 , and preferably longer than the length in the width direction W of the front and rear mark portions 81 . According to this configuration, the effect of making the front and rear mark portions 81 conspicuous by the division mark portions 82 can be further enhanced.
- the division mark portion 82 may extend along the width direction W.
- the configuration in which the division mark portion 82 extends in the width direction W is not limited to the configuration in which the division mark portion 82 extends linearly in the width direction W. good too.
- the front-rear direction L of the absorbent article 1 can be indicated by the front-rear mark portion 81
- the width direction W of the absorbent article 1 can also be indicated by the division mark portion 82 .
- the division mark portion 82 of the present embodiment is composed of a plurality of heart patterns and a string shape connecting them.
- a heart pattern is provided on an extension line in the front-rear direction of each of the front and rear marking portions 81 spaced apart in the width direction W, and a string shape connecting the heart patterns is arranged.
- the division mark portion 82 may be configured by any one of graphics, patterns, characters, symbols, and the like.
- the division mark portion 82 may be separated from the front and rear mark portions 81 . According to this configuration, the division mark portion 82 makes each of the front and rear mark portions 81 more conspicuous. In another form, the division mark portion 82 may be partially continuous with the front-rear mark portion 81 .
- the front edge 80F of the mark portion 80 may be configured by the front and rear mark portions 81 or may be configured by the division mark portion 82.
- the mark portion 80 of the present embodiment is printed on the skin-side core wrap layer 35 as a mark sheet, and more specifically, printed on the skin-side T1 surface of the skin-side core wrap layer 35 .
- the mark part 80 is printed in a state in which the skin side core wrap layer 35 is continuous in the front-rear direction, and after being printed, the skin side core wrap layer 35 for one product is cut. Therefore, the marking portion forming the front edge 80F of the marking portion 80 differs depending on the absorbent article 1.
- At least one of the outer edge of the absorbent core 30 and the outer edge of the absorbent article 1 may be provided with a constricted portion recessed inward in the width direction.
- the outer edge of the lower absorbent core 32 as the absorbent core of the present embodiment has a constricted portion 32C recessed inward in the width direction W at the center of the lower absorbent core 32 in the front-rear direction L, and the absorbent article ( Outer edges of the topsheet 10 and the backsheet 25) have a constricted portion 1C recessed inward in the width direction W at the center in the front-rear direction L of the absorbent article.
- the front-rear direction L indicated by the front-rear mark portion 81 has a shape different from that of the constricted portions 32C and 1C, so that the front-rear direction L can be easily recognized.
- the front-rear direction L by the front-rear mark portion 81 becomes more conspicuous, and the user can easily grasp the orientation of the absorbent article 1 in the front-rear direction L.
- the front edge of the mark sheet may be along the width direction, and the outer edge of the mark sheet in the width direction may be along the front-rear direction.
- the edge of the mark sheet can indicate the front-rear direction L and the width direction W, and the user can arrange the orientation of the absorbent article 1 more appropriately.
- the front edge 80F of the mark portion 80 may be spaced apart from the front edge of the mark sheet (skin-side core wrap layer 35), but preferably coincides with the front edge of the mark sheet (skin-side core wrap layer 35). good too.
- the front edge of the marking sheet and the imaginary line EL1 each extend in the width direction W, so that the user is more conscious of the width direction W of the absorbent article.
- the front edge 80F of the mark portion 80 may not match the edge of the design such as a figure, and a divided design may be arranged. The user can easily recognize the divided design and easily grasp the virtual line EL1 connecting the divided position and the design. Therefore, it becomes easier for the user to recognize the width direction W of the absorbent article.
- An outer edge 80E of the mark portion 80 in the width direction W may be arranged on the front-rear imaginary line EL2 extending in the front-rear direction L.
- the front-back imaginary line EL2 allows the user to recognize the front-back direction L of the absorbent article 1, and the front-back direction of the absorbent article 1 is appropriately arranged along the front-back direction of the body. easy. Therefore, it is possible to properly arrange the absorbent article and suppress deterioration of wearing feeling such as leakage.
- the outer edge 80E of the marking portion 80 may coincide with the outer edge 35E of the skin-side core wrap layer 35, which is the marking sheet, or may be spaced apart from the outer edge of the marking sheet.
- the outer edge of the marking sheet extends along the front-rear direction L
- the outer edge of the marking sheet and the front-rear imaginary line EL2 extend in the front-rear direction L, thereby making the user more conscious of the front-rear direction of the absorbent article. and easier to understand.
- the outer edge of the mark portion may not coincide with the edge of the design such as a figure, and a segmented design may be placed. The user can easily recognize the divided design, and easily grasp the divided position and the front-back imaginary line EL2 connecting the design. Therefore, the user can easily recognize the front-rear direction L of the absorbent article.
- the outer edge 15E of the cushion seat 15 may extend along the front-rear direction L.
- the outer edge 15E of the cushion sheet 15 can also indicate the front-rear direction L, and the user can position the absorbent article 1 more appropriately.
- the outer edge 15E of the cushion sheet 15 does not have to match the outer edge 80E of the mark portion 80 .
- the outer edge 15E of the cushion sheet 15 may overlap the mark portion 80.
- a line extending in the front-rear direction L is formed by the outer edge 15 ⁇ /b>E of the cushion sheet 15 in a region overlapping the mark portion 80 . Therefore, the user can easily recognize the front-rear direction L of the absorbent article.
- the inner edge 12I of the side seat may overlap the mark portion 80 .
- a region where the mark portion 80 is covered with the side sheet 12 and a region where the mark portion 80 is not covered with the side sheet 12 are formed, and a boundary between the regions extends in the front-rear direction L. Therefore, the user can easily recognize the front-rear direction L of the absorbent article.
- the ridges and grooves of the surface sheet 10 may overlap the mark portions 80 .
- the front-rear direction L of the absorbent article 1 can also be indicated by the grooves and ridges of the topsheet 10 .
- at least a portion of the mark portion 80 may overlap the groove portion of the topsheet 10 .
- the mark portion 80 is provided so as to overlap with the groove portion, the visibility of the mark portion 80 can be easily ensured, and positioning by the mark portion 80 can be performed.
- the pitch in the width direction W of the ridges of the top sheet 10 and the pitch in the width direction W of the grooves may be different from the pitch in the width direction W of the front and rear mark portions 81 . The user can more easily notice the existence of the front and rear mark portions 81, and can perform positioning using the mark portions 80 more appropriately.
- the mark portions 80 may extend along the front-rear direction L and be spaced apart in the width direction W.
- the interval between the mark portions 80 may differ from the length in the width direction W of the groove portion.
- the width of the mark portion 80 is longer than the length of the ridge in the width direction. If the interval between the mark portions 80 and the length of the groove portion in the width direction match, the groove portion overlaps the interval between the mark portions 80, and the mark portion 80 may not be visually recognized through the groove portion. However, since the interval between the mark portions 80 differs from the length of the groove portion in the width direction, it is possible to prevent the groove portion from completely overlapping the interval between the mark portions 80 .
- the width of the mark portion 80 is longer than the length of the ridge in the width direction, the visibility of the mark portion 80 in the region that does not overlap the ridge can be ensured.
- the length of the mark portion 80 in the width direction and the distance between the mark portions are both 2 mm, and the length of the ridge portion in the width direction and the length of the groove portion in the width direction are both 1 mm. is. That is, the length of the ridge in the width direction and the length of the groove in the width direction may be shorter than the length of the mark in the width direction and the interval between the marks.
- the front fold line FW2 may overlap the mark portion 80 on the front side of the article front-rear center 1CL.
- the front fold line FW2 is a fold line for folding the absorbent article 1 so that the skin side T1 faces each other, and the crease of the front fold line FW2 tends to cause the area on the front side of the front fold line FW2 to stand up on the skin side T1.
- at least a portion of the mark portion 80 (at least the front edge 80F of the mark portion) is positioned forward of the front fold line FW2 and stands on the skin surface side T1 due to the crease of the front fold line FW2. Therefore, the user can easily visually recognize the front edge 80F of the mark portion 80, and can easily perform positioning using the mark portion 80.
- the rear fold line FW1 may overlap the mark portion 80 on the rear side of the article front-rear center 1CL. According to this configuration, at least a portion of the mark portion 80 is located on the front side of the rear fold line FW1 and stands on the skin surface side T1 due to the crease of the rear fold line FW1. Therefore, the user can easily visually recognize the rear end edge 80R of the mark portion 80, and can easily perform alignment using the mark portion.
- a first rear edge positioned on the outer edge on one side in the width direction of the rear edge 80R of the mark portion 80, and a first rear edge positioned on the outer edge on the other side in the width direction of the rear edge 80R of the mark portion 80. 2 may also extend along the width direction of the absorbent article 1 . According to this configuration, even when the rear edge 80R of the mark portion 80 is visually recognized, it is easy to notice the lateral inclination of the absorbent article 1 when the alignment is performed based on the mark portion 80 .
- the mark portion 80 may have a laminated portion R11 that overlaps with the compressed portion 50 and a non-laminated portion R12 that does not overlap with the compressed portion 50 .
- the laminated portion R11 of the mark portion 80 is compressed in the thickness direction T.
- the visibility of the laminated portion R11 from the skin surface of the absorbent article 1 is higher than the visibility of the non-laminated portion R12. Therefore, the user can easily grasp the mark portion 80 of the laminated portion R11, and can easily perform positioning using the mark portion 80.
- the non-laminated portion R12 is not compressed in the thickness direction T. As shown in FIG.
- the non-laminated portion R12 is not deformed in the thickness direction T as compared with the laminated portion R11, and visibility in plan view can be easily secured.
- the pressing portion 50 has a curved shape having a first curved portion 51 and a second curved portion 52 . Since the compressed portion 50 has a curved shape, the front-rear direction L indicated by the front-rear mark portion 81 is more conspicuous, and the user can easily grasp the front-rear direction L of the absorbent article 1 .
- the user not only adjusts the direction of the absorbent article 1 based on the marking portion 80 by visually recognizing the marking portion 80, but also positions the absorbent article by the marking portion 80 in some cases.
- the outer edge 60E in the width direction W of the fastening portion 60 may be located inside the first front edge 80F1 in the width direction W and inside the second front edge 80F2 in the width direction W. That is, the fastening portion 60 for fastening the absorbent article to the worn article is located inside the first front edge 80F1 and the second front edge 80F2 in the width direction W, It is not provided in the area overlapping with 80F2.
- the outer edge 62E of the second fastening portion 62 is located inside the first front edge 80F1 in the width direction W and inside the second front edge 80F2 in the width direction W.
- the user may align the first front edge 80F1 (and the second front edge 80F2) of the marking portion 80 with the wearing article when wearing. At this time, even if the first front edge 80F1 and the second front edge 80F2 are positioned on the wearing article, they are not fastened to the wearing article via the fastening portion. It becomes easier to wear the absorbent article on the body.
- the front edge 80F of the mark portion 80 may overlap the absorbent core 30 behind the front edge of the absorbent core 30 .
- the absorbent core 30 can be positioned.
- the front edge 80F of the mark portion 80 is located on the rear side of the front edge of the absorbent core 30, the front edge 80F of the mark portion 80 is not distorted due to unevenness or the like due to the boundary of the front edge 80F of the absorbent core 30. is suppressed. Therefore, the positioning function by the front edge of the mark portion can be exhibited more effectively.
- the rear edge 80R of the mark portion may overlap the absorbent core on the rear side of the front edge of the absorbent core.
- the absorbent core can be positioned by the trailing edge of the marking portion. Further, since the rear edge of the mark portion is located forward of the rear edge of the absorbent core, the front edge of the mark portion is prevented from being distorted due to unevenness or the like due to the step of the absorbent core. Therefore, the positioning function of the front edge 80F of the mark portion 80 is easily exhibited.
- At least part of the front edge 80F of the mark portion 80 may be arranged in a region overlapping with the high absorption region. According to this aspect, by positioning the front edge 80F of the mark portion 80, the high absorption region can be positioned, and the portion requiring the absorption capacity can be attached at an appropriate position.
- the highly absorbent region of the present embodiment substantially coincides with the region where the upper absorbent core 31 is arranged, and the front edge 80F of the mark portion 80 coincides with the front edge of the highly absorbent region. Therefore, based on the front edge 80F of the mark portion 80, the user can grasp the position of the front edge of the high absorption region.
- FIG. 5A is a plan view of an absorbent article 1X according to Modification 1.
- FIG. The mark portions 80X of the absorbent article according to Modification 1 are not arranged on both sides of the article width center 1CW, but arranged only on one side of the article width center 1CW.
- alignment can be performed using the mark portion when one side of the absorbent article 1X is viewed. More specifically, when only one hand is fully usable due to a decrease in muscle strength or the like, positioning at the time of wearing can be performed based on the mark portion arranged on one side of the absorbent article 1X.
- FIG. 5(B) is a plan view of an absorbent article 1Y according to Modification 2.
- FIG. The mark portion 80Y of the absorbent article according to Modification 2 is configured by a colored adhesive applied to the skin-side sheet 20. As shown in FIG.
- the mark portions 80Y are linear (stripe) extending in the front-rear direction L, and are provided in plurality in the width direction W at intervals. With this configuration as well, the user can easily arrange the absorbent article in the width direction without tilting it, and easily arrange the absorbent article appropriately so that the front-rear direction of the absorbent article is along the front-rear direction of the body.
- the colored adhesive that constitutes the mark portion 80 may be an adhesive that bonds the skin-side sheets together, or may be an adhesive that bonds the skin-side sheet and the absorbent core. Since the marking portion 80Y is made of the colored adhesive, the area provided with the marking portion 80Y has a larger distance between the sheets or between the sheet and the absorbent core than the area where the marking portion 80Y is not provided. get closer. Therefore, the visibility of the mark portion 80Y from the skin surface side T1 of the absorbent article can be further improved.
- the direction in which the colored adhesive extends is not limited to the front-rear direction L.
- the colored adhesive may extend in the width direction W and be spaced apart in the front-rear direction L.
- the mark portion 80Y according to Modification 2 is made of an adhesive that joins the non-skin surface of the skin-side core wrap layer 35 and the SAP as the absorbent core.
- An example of a method for manufacturing an SAP sheet according to modification 2 will be described.
- a non-skin-side continuous sheet in which the sheet positioned on the non-skin side of the two sheets constituting the SAP sheet is continuous in the front-rear direction is conveyed.
- an adhesive for adhering the widthwise outer portions of the two sheets and SAP are placed on the non-skin-side continuous sheet.
- the adhesive for bonding the two sheets together is located outside the SAP in the width direction, and may be colorless or colored.
- the non-skin-side continuous sheet and the skin-side continuous sheet in which the sheets constituting the skin-side core wrap layer 35 are continuous in the front-rear direction are merged.
- a colored adhesive is applied to the non-skin-side continuous sheet side (non-skin surface side) of the skin-side continuous sheet.
- the colored adhesive may constitute the marking portion. That is, the skin-side continuous sheet coated with the colored adhesive is placed on the non-skin-side continuous sheet, and the SAP is sandwiched between the skin-side continuous sheet and the non-skin-side continuous sheet.
- the skin-side continuous sheet and the non-skin-side continuous sheet can be cut along a cutting line along the width direction to obtain individual SAP sheets.
- the adhesive applied to the non-skin-side continuous sheet may not be the adhesive for bonding the two sheets, but may be the adhesive that constitutes the mark portion. Also, an adhesive for adhering two sheets may be applied to the skin-side continuous sheet.
- the manufacturing method of the absorbent article may be the manufacturing method of the absorbent article 1Y according to the second modification.
- the absorbent body of the absorbent article 1Y obtained by this manufacturing method has at least the upper absorbent body 41 including the upper absorbent core 31 .
- the absorbent body of this embodiment has an upper absorbent body 41 and a lower absorbent body 42 including a lower absorbent core 32 .
- the upper absorbent body 41 has a skin-side sheet 20 and a mark portion 80 provided on the skin-side sheet 20 to indicate the wearing position.
- the manufacturing method of the absorbent article includes a marking step S10 of attaching a marking portion 80 to the skin-side sheet 20, and a joining step S20 of joining the skin-side sheet 20 and the absorbent core (upper absorbent body 41) after the marking step S10. and have
- the merging step S20 at least a part of the mark portion 80 is arranged on the front side of the center of the absorbent article 1Y in the front-rear direction, and the front edge of the mark portion 80 is positioned at the outer edge on one side in the width direction.
- An imaginary line EL1 that connects the first front edge 80F1 and the second front edge 80F2 positioned on the other widthwise outer edge of the front edge of the mark portion 80 is arranged along the width direction of the absorbent article 1Y. .
- the absorbent article 1Y obtained by the manufacturing method at least a portion of the marking portion 80 is positioned forward of the article front-rear center 1CL, so that the user can easily notice the existence of the marking portion 80 during the wearing operation. .
- the imaginary line EL1 connecting the first front edge 80F1 and the second front edge 80F2 extends along the width direction W, the user can easily move the left and right sides of the absorbent article 1Y when positioning the absorbent article 1Y based on the mark portion 80.
- the non-skin surface side T2 of the skin-side sheet 20 may be coated with a colored adhesive that forms the marking portion 80. Since the colored adhesive portion is arranged inside the surface of the absorbent article 1Y that is closest to the skin, the visibility of the mark portion 80 is high even when the skin surface of the absorbent article 1Y is rubbed. not decrease. In addition, since the colored adhesive is provided on the skin-side sheet 20 positioned closer to the skin than the absorbent core 30 , the adhesive for adhering to the absorbent core 30 can also serve as the marking portion 80 . In addition, in a modification, the mark provision step S10 may provide the mark portion 80 by printing on the skin-side sheet 20 .
- the non-skin-side continuous sheet C21 and the skin-side continuous absorbent core 30 are arranged on the skin surface of the non-skin-side continuous sheet C21 in which the sheets covering the non-skin-side T2 of the absorbent core 30 are continuous.
- the non-skin-side continuous sheet C21 and the skin-side continuous sheet C20 is cut along the width direction W, the colored adhesive portion can also be cut along the width direction. Therefore, the imaginary line connecting the first front edge and the second front edge can be easily arranged along the width direction.
- the upper absorbent core 31 is arranged on the skin surface of the non-skin-side continuous sheet C21 in which the sheet covering the non-skin surface side of the SAP as the upper absorbent core 31 is continuous. , the skin-side continuous sheet C20 to which the skin-side sheet 20 is continuous and the non-skin-side continuous sheet C21 are merged. Thereby, a continuum in which the skin-side continuous sheet C20, the upper absorbent core 31 (SAP), and the non-skin-side continuous sheet C21 are laminated can be obtained.
- the upper absorbent core 41 is continuous in the front-rear direction L. As shown in FIG.
- the non-skin-side continuous sheet C21 and the skin-side continuous sheet C20 are cut. Thereby, individual upper absorbent bodies 41 can be obtained.
- at least the non-skin-side continuous sheet C21 and the skin-side continuous sheet C20 may be cut.
- the continuous body of the upper absorbent core 31 may also be cut together with the skin-side continuous sheet C20.
- an adhesive may be applied to the skin surface side of the non-skin-side continuous sheet C21, or the non-skin surface of the skin-side continuous sheet C20. Adhesive can be applied to the sides. These adhesives may be colorless or colored. Further, these adhesives may be composed of colored adhesives to constitute the marking portion, or may be adhesives that join the non-skin-side continuous sheet C21 and the skin-side continuous sheet C20.
- the upper absorbent core 41 obtained in the cutting step S22 and the lower absorbent core 42 laminated on the non-skin surface side T2 of the upper absorbent core 41 are combined. and a vertical merging step S23 for merging the .
- the absorbent article 1Y having the upper absorbent core 41 and the lower absorbent core 42 can be obtained by the upper and lower joining step S23.
- the upper absorbent body 41 to which the colored adhesive is applied is located closer to the skin surface side T1 than the lower absorbent body 42, and the visibility of the marking portion 80 by the colored adhesive can be ensured.
- At least a part of the mark portion is arranged on the front side of the article front-rear center 1CL, and an imaginary line connecting the first front edge and the second front edge is formed in the width direction of the absorbent article. You can place it along.
- the skin-side sheet constituting the upper absorbent body 41 is marked, but the present invention is not limited to this embodiment.
- the skin-side sheet located closer to the skin than any of the absorbent cores for example, the lower absorbent core 32 located closer to the skin than the lower absorbent core 32). and the upper absorbent core 31
- the manufacturing method may have steps other than the marking step S10 and the merging step S20, and the conventional manufacturing method for absorbent articles can be applied to the steps.
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Abstract
Description
本明細書及び添付図面の記載により、少なくとも以下の事項が明らかとなる。
態様1に係る吸収性物品は、吸収コアと、前記吸収コアよりも肌面側に配置された肌側シートと、前記肌側シートに設けられ、装着位置を指標する目印部と、を有する。前記目印部の少なくとも一部は、前記吸収性物品の前後方向の中心よりも前側に位置している。前記目印部の前端縁は、前記幅方向の一方側の外側縁に位置する第1前端縁と、前記幅方向の他方側の外側縁に位置する第2前端縁と、を有する。前記第1前端縁と前記第2前端縁を繋ぐ仮想線は、前記幅方向に沿っている。物品前後中心よりも前側の領域は、使用者(装着補助者や着用者)が装着時に目につきやすい領域である。目印部の少なくとも一部が物品前後中心よりも前側に位置するため、使用者は、装着操作時に目印部の存在に気付き易い。また、第1前端縁と前記第2前端縁を繋ぐ仮想線が幅方向に沿っているため、使用者は、目印部に基づいて位置合わせした際に、吸収性物品の左右の傾きに気づきやすい。よって、使用者が吸収性物品の幅方向を傾けずに配置し易く、吸収性物品の前後方向の向きを体の前後方向に沿うように適切に配置し易い。よって、吸収性物品を適切に配置し、漏れ等の装着感の悪化を抑制できる。
以下、図面を参照して、実施形態に係る吸収性物品について説明する。吸収性物品は、生理用ナプキン、パンティライナー、及び失禁パッド等の着用物品(おむつを含む)に止着されて使用される吸収性物品を例示できる。以下の実施形態では、吸収性物品の一例として軽失禁パッドについて説明する。なお、以下の図面の記載において、同一又は類似の部分には、同一又は類似の符号を付している。ただし、図面は模式的なものであり、各寸法の比率等は現実のものとは異なる場合があることに留意すべきである。したがって、具体的な寸法等は、以下の説明を参酌して判断すべきである。また、図面相互間においても互いの寸法の関係や比率が異なる部分が含まれ得る。
図1は、実施形態に係る吸収性物品の肌面側T1から見た平面図である。図2は、実施形態に係る吸収性物品の非肌面側T2から見た平面図である。図3は、図1に示すA-A線に沿った吸収性物品の断面図である。図4は、目印部の拡大平面図である。図3においては、説明の便宜上、吸収性物品を構成する各部材が厚み方向に離間しているが、実際の製品においては、各部材が接合された部分を有する。
1CL :物品前後中心
1CW :物品幅中心
10 :表面シート(肌側シート20)
15 :クッションシート(肌側シート20)
30 :吸収コア
31 :上側吸収コア
32 :下側吸収コア
35 :肌側コアラップ層(肌側シート20)
36 :非肌側コアラップ層
50 :圧搾部
60 :止着部
80 :目印部
80F1 :第1前端縁
80F2 :第2前端縁
81 :前後目印部
82 :分断目印部
EL1 :仮想線
FW1 :後折り目
FW2 :前折り目
L :前後方向
T :厚み方向
T1 :肌面側
T2 :非肌面側
W :幅方向
Claims (18)
- 吸収コアと、
前記吸収コアよりも肌面側に配置された肌側シートと、
前記肌側シートに設けられ、装着位置を指標する目印部と、を有する吸収性物品であって、
前記目印部の少なくとも一部は、前記吸収性物品の前後方向の中心よりも前側に位置しており、
前記目印部の前端縁は、幅方向の一方側の外側縁に位置する第1前端縁と、前記幅方向の他方側の外側縁に位置する第2前端縁と、を有し、
前記第1前端縁と前記第2前端縁を繋ぐ仮想線は、前記幅方向に沿っている、吸収性物品。 - 前記第1前端縁は、前記吸収性物品の前記幅方向の中心に対する一方側に位置し、
前記第2前端縁は、前記吸収性物品の前記幅方向の中心に対する他方側に位置する、請求項1に記載の吸収性物品。 - 前記吸収性物品は、前記吸収コアよりも非肌面側に配置された裏面シートと、前記裏面シートに配置され、着用物品に止着する止着部と、を有し、
前記止着部の前記幅方向の外側縁は、前記第1前端縁よりも前記幅方向の内側、かつ前記第2前端縁よりも前記幅方向の内側に位置する、請求項1又は請求項2に記載の吸収性物品。 - 前記吸収性物品は、前記幅方向に沿う折り目を基点に前記吸収性物品の肌面側同士が向き合うように折り畳まれており、
前記折り目は、前記吸収性物品の前記前後方向の中心よりも前側において前記目印部と重なる前折り目を有する、請求項1又は請求項2に記載の吸収性物品。 - 前記目印部は、前記前後方向に沿って延びる前後目印部を有する、請求項1又は請求項2に記載の吸収性物品。
- 前記吸収コアの外側縁又は前記吸収性物品の外側縁の少なくとも一方には、前記幅方向の内側に凹んだ括れ部が設けられている、請求項5に記載の吸収性物品。
- 前記前後目印部は、前記前後方向に間隔を開けて複数設けられており、
前記目印部は、前記前後目印部間に配置された分断目印部を有する、請求項5に記載の吸収性物品。 - 前記前後目印部は、前記幅方向に間隔を開けて複数設けられており、
前記分断目印部は、前記幅方向に沿って延びている、請求項7に記載の吸収性物品。 - 前記目印部の前端縁は、前記吸収コアの前端縁よりも後側において前記吸収コアに重なっている、請求項1又は請求項2に記載の吸収性物品。
- 前記吸収コアは、周囲よりも吸収容量が高い高吸収領域を有しており、
前記目印部の前記前端縁の少なくとも一部は、前記高吸収領域と重なる領域に配置されている、請求項1又は請求項2に記載の吸収性物品。 - 前記目印部は、前記肌側シートを構成する目印シートに設けられており、
前記目印シートの前端縁は、前記幅方向に沿っており、
前記目印シートの前記幅方向の外側縁は、前記前後方向に沿っている、請求項1又は請求項2に記載の吸収性物品。 - 前記肌側シートは、前記吸収性物品の肌面を構成する表面シートを有し、
前記表面シートには、前記前後方向に延びる畝部及び溝部が、前記幅方向に交互に設けられており、
前記目印部の少なくとも一部は、前記溝部に重なっている、請求項1又は請求項2に記載の吸収性物品。 - 前記目印部は、前記前後方向に沿って延び、かつ前記幅方向に間隔を空けて配置されており、
前記目印部の間隔は、前記溝部の前記幅方向の長さと異なり、
前記目印部の幅は、前記畝部の前記幅方向の長さよりも長い、請求項12に記載の吸収性物品。 - 前記肌側シート及び前記吸収コアを厚み方向に圧縮した圧搾部を有し、
前記目印部は、前記圧搾部と重なる積層部と、前記圧搾部と重ならない非積層部と、を有する、請求項1又は請求項2に記載の吸収性物品。 - 吸収コアと、前記吸収コアよりも肌面側に配置された肌側シートと、前記肌側シートに設けられ、装着位置を指標する目印部と、を有する吸収性物品の製造方法であって、
前記肌側シートに前記目印部を付す目印付与工程と、
前記目印付与工程の後に、前記肌側シートと前記吸収コアを合流する合流工程と、を有し、
前記合流工程は、前記目印部の少なくとも一部を、前記吸収性物品の前後方向の中心よりも前側に配置するとともに、前記目印部の前端縁において前記幅方向の一方側の外側縁に位置する第1前端縁と、前記目印部の前端縁において前記幅方向の他方側の外側縁に位置する第2前端縁と、を繋ぐ仮想線を前記吸収性物品の前記幅方向に沿うように配置する、吸収性物品の製造方法。 - 前記目印付与工程は、前記肌側シートの非肌面側に、前記目印部を構成する着色接着剤を塗布する、請求項15に記載の吸収性物品の製造方法。
- 前記合流工程は、
前記吸収コアの非肌面側を覆うシートが連続した非肌側連続シートの肌面上に前記吸収コアを配置した状態で、前記肌側シートが連続した肌側連続シートと前記非肌側連続シートとを合流させる連続体合流工程と、
前記連続体合流工程の後に、前記幅方向に沿って前記非肌側連続シートと前記肌側連続シートを切断する切断工程と、を有する、請求項15に記載の吸収性物品の製造方法。 - 前記合流工程は、前記連続体合流工程及び前記切断工程の後に、前記切断工程によって得られた上側吸収体と、前記上側吸収体の非肌面側に積層される下側吸収体と、を合流させる上下合流工程と、を有する、請求項17に記載の吸収性物品の製造方法。
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JPS63148323U (ja) * | 1987-03-19 | 1988-09-29 | ||
JPH02102650A (ja) * | 1988-10-11 | 1990-04-16 | Honshu Paper Co Ltd | 使い捨ておむつ |
US20040111075A1 (en) * | 2002-12-05 | 2004-06-10 | Kimberly-Clark Worldwide, Inc. | Elastic contained within a jointly folded top cover and bottom cover and process of making |
JP2005218694A (ja) * | 2004-02-06 | 2005-08-18 | Hakujuji Co Ltd | 使い捨て吸収性物品およびその製造方法 |
JP2009165863A (ja) * | 2009-04-28 | 2009-07-30 | Uni Charm Corp | 吸収性物品 |
JP2019170738A (ja) * | 2018-03-28 | 2019-10-10 | 大王製紙株式会社 | アウター固定タイプの使い捨ておむつ |
WO2020059265A1 (ja) * | 2018-09-18 | 2020-03-26 | 大王製紙株式会社 | 吸収性物品、及び表面シート |
WO2021079671A1 (ja) * | 2019-10-25 | 2021-04-29 | ユニ・チャーム株式会社 | 尿取りパッド |
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