WO2019198515A1 - 吸収性物品 - Google Patents

吸収性物品 Download PDF

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Publication number
WO2019198515A1
WO2019198515A1 PCT/JP2019/013377 JP2019013377W WO2019198515A1 WO 2019198515 A1 WO2019198515 A1 WO 2019198515A1 JP 2019013377 W JP2019013377 W JP 2019013377W WO 2019198515 A1 WO2019198515 A1 WO 2019198515A1
Authority
WO
WIPO (PCT)
Prior art keywords
tape member
absorbent article
back sheet
fixing portion
adhesive
Prior art date
Application number
PCT/JP2019/013377
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
青 石川
黒田　賢一郎
野田　祐樹
瑶介 曽我部
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
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
Publication of WO2019198515A1 publication Critical patent/WO2019198515A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • 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
    • A61F13/551—Packaging before or after use

Definitions

  • This invention relates to the absorbent article used in the state attached to wearing articles, such as underwear.
  • Patent Document 1 discloses an absorbent article provided with a cover sheet for post-processing.
  • the absorbent article of patent document 1 has an adhesion part in the back surface of a cover sheet or an absorption pad.
  • the cover sheet is wound so as to straddle the opening, and the cover sheet and the back surface of the absorbent pad are fixed by the adhesive portion.
  • the cover sheet of the absorbent article of Patent Document 1 is configured to be bent with a base portion as a base point.
  • the base is joined to the back sheet, but the edge of the cover sheet opposite to the base is not joined to the back sheet. Therefore, the cover sheet may be broken unintentionally when the absorbent article is worn.
  • the cover sheet when a part of the absorbent article is turned over and the tape member is arranged so as to face the skin side, the cover sheet may be rubbed by the skin, and the cover sheet may be unintentionally broken or peeled off. there were. As a result, the cover sheet may not be smoothly rolled up and discarded when discarded.
  • an absorbent article that protects the post-processing tape member before discarding the absorbent article and can be disposed of cleanly by the tape member at the time of disposal is desired.
  • the absorbent article which concerns on 1 aspect is arrange
  • the absorbent article which concerns on another aspect is arrange
  • An absorbent article having a pressure-sensitive adhesive section for joining articles and a post-processing tape member disposed on the back sheet, wherein the tape member is the other end from the one end side in the front-rear direction of the tape member.
  • the bonding strength of Higher than the bonding strength of the back sheet and the tape member in tough, the non-fixed portions are disposed on opposite sides of the fixing portion in the second direction.
  • FIG. 1 is a top view of an absorptive article concerning an embodiment seen from the skin opposed side.
  • FIG. 2 is a plan view of the absorbent article according to the embodiment as viewed from the non-skin facing surface side.
  • 3 is a cross-sectional view of the absorbent article taken along line AA shown in FIG.
  • FIG. 4 is a perspective view of the absorbent article wound in the front-rear direction.
  • FIG. 5 is a diagram illustrating an example of a folding aspect of the absorbent article.
  • FIG. 6 is a plan view of the tape member of the absorbent article.
  • FIG. 7 is a diagram for explaining a manner of folding the tape member.
  • FIG. 8 is a plan view of the absorbent article according to Modification 1 as viewed from the non-skin facing surface side.
  • FIG. 9 is a plan view of the absorbent article according to Modification 2 as viewed from the non-skin facing surface side.
  • the absorbent article which concerns on 1 aspect is arrange
  • the tape member When using the tape member for post-treatment, the tape member can be peeled off from the back sheet at the temporary fixing portion while the tape member is bonded to the back sheet at the fixing portion. Before use, the tape member is joined to the back sheet by the temporary fixing portion, and the problem that the tape member is unintentionally folded or peeled off before use can be suppressed.
  • the non-fixed part is not joined to the back sheet, and is easily lifted with respect to the back sheet with the fixed part as a base point. This non-fixed part is provided on both sides of the fixed part in the second direction.
  • the absorbent article when the absorbent article is discarded, the absorbent article is rounded or folded to deform the absorbent article into a curved shape, so that the non-fixed part is easily lifted with respect to the back sheet from the fixed part.
  • the tape member When the tape member is lifted, the tape member is easily noticeable. The user can easily recognize the presence of the tape member and can easily grasp the tape member during use. Therefore, the post-processing tape member can be protected before the absorbent article is discarded, and the tape member can be cleanly disposed at the time of disposal.
  • the bonding strength of the adhesive portion with respect to the wearing article may be higher than the bonding strength of the temporary fixing portion with respect to the back sheet.
  • the absorbent article When using the absorbent article, the absorbent article is joined to the worn article by the adhesive portion. Since the bonding strength of the adhesive portion is relatively high, it is possible to prevent the absorbent article from being peeled off from the worn article without intention during use.
  • the absorbent article which concerns on 1 aspect is arrange
  • a non-fixed portion that is detachably disposed on the back sheet, and a part of the adhesive portion constitutes the temporarily fixed portion, and the bonding strength of the tape member and the back sheet in the fixed portion is Front in the temporary fixing part Higher than the bonding strength of the back sheet and the tape member, the non-fixed portions are disposed on opposite sides of the fixing portion in the second direction.
  • the tape member When using the tape member for post-treatment, the tape member can be peeled off from the back sheet at the temporary fixing portion while the tape member is bonded to the back sheet at the fixing portion. Before use, the tape member is joined to the back sheet by the temporary fixing portion, and the problem that the tape member is unintentionally folded or peeled off before use can be suppressed.
  • the non-fixed part is not joined to the back sheet, and is easily lifted with respect to the back sheet with the fixed part as a base point. This non-fixed part is provided on both sides of the fixed part in the second direction. In particular, when the absorbent article is discarded, the non-fixed portion is easily lifted with respect to the back sheet by rolling or folding the absorbent article to deform the absorbent article into a curved shape.
  • the tape member When the tape member is lifted, the tape member is easily noticeable. The user can easily recognize the presence of the tape member and can easily grasp the tape member during use. Therefore, the post-processing tape member can be protected before the absorbent article is discarded, and the tape member can be cleanly disposed at the time of disposal.
  • the fixing portion and the temporary fixing portion are adjacent to each other in the first direction, and the non-fixing portion is disposed on both sides of the temporary fixing portion in the second direction, and both sides of the fixing portion and the temporary fixing portion are arranged. You may straddle both sides.
  • the non-fixed part is disposed across both sides of the fixed part and both sides of the temporary fixed part, the non-fixed part is more likely to float with respect to the back sheet. The user can easily recognize the presence of the tape member and can easily grasp the tape member during use.
  • the non-fixed portion may be disposed in the entire area in the first direction of the tape member in an outer edge region including the outer edge in the second direction of the tape member.
  • the non-fixed portion is disposed in the entire area in the first direction of the tape member, the non-fixed portion is more likely to float with respect to the back sheet. The user can easily recognize the presence of the tape member and can easily grasp the tape member during use.
  • the fixing portion is disposed on the one end side of the tape member, and the non-fixing portion is disposed in the entire area in the second direction of the tape member in the other end region including the other end of the tape member. May be.
  • the non-fixed portion In the other end region located on the side opposite to the fixed portion, the non-fixed portion is disposed in the entire region in the second direction, and therefore, the tape member is likely to float with respect to the back sheet on the side opposite to the fixed portion. Therefore, the user can more easily recognize the presence of the tape member and can easily grasp the tape member during use.
  • the length of the fixing portion in the second direction may be longer than the length of the temporary fixing portion in the second direction.
  • the length of the fixing portion in the second direction is long and the bonding strength of the fixing portion is high, the state in which the tape member is bonded to the back sheet by the fixing portion can be maintained. Moreover, since the length of the temporary fixing portion in the second direction is short, the length of peeling the temporary fixing portion from the back sheet when using the tape member is short, and the tape member can be operated smoothly.
  • the friction coefficient of the non-skin facing surface of the tape member may be higher than the friction coefficient of the non-skin facing surface of the back sheet.
  • the friction coefficient of the tape member is relatively high, the user can easily grip the tape member and the operability of the tape member is improved. Moreover, in a state where the absorbent article is attached to the worn article, the tape member is not easily displaced with respect to the worn article, and a problem that the tape member is unintentionally bent or bent can be suppressed.
  • the friction coefficient of the non-skin facing surface of the back sheet may be higher than the friction coefficient of the non-skin facing surface of the tape member.
  • the back sheet Since the friction coefficient of the non-skin facing surface (surface located on the non-skin facing surface side) in the back sheet is relatively high, the back sheet is worn around the tape member in a state where the absorbent article is mounted on the wearing article. On the other hand, it is difficult to shift, and it is possible to suppress a problem that the tape member is unintentionally bent or bent.
  • the temporary fixing portion may be disposed across the outer edge of the absorbent core.
  • the outer edge of the absorbent core is a boundary where the thickness and rigidity change.
  • the absorbent article may be folded at a crease base, and the tape member may straddle the crease.
  • the tape member tends to lift from the back sheet due to folding. Therefore, the user can easily notice the presence of the tape member and can easily grasp the tape member.
  • the length of the tape member in the second direction may be shorter than the length of the adhesive portion in the second direction.
  • the length of the tape member in the second direction is relatively short, an area that cannot be bonded to the underwear when the absorbent article is used can be narrowed, and the adhesive strength to the underwear can be easily secured. Moreover, since the length of the adhesive portion in the second direction is relatively long, the tape portion can be easily stopped when the absorbent article is discarded.
  • the absorbent article may be an absorbent article such as a sanitary napkin, a tape-type disposable diaper, a pant-type disposable diaper, a panty liner, a breast milk pad, an adult incontinence pad, a stool pad or a perspiration sheet.
  • the absorbent article may be an article used attached to the inside of a worn article such as underwear.
  • FIG. 1 is a plan view of an absorbent article 10 according to the first embodiment viewed from the skin facing surface side.
  • FIG. 2 is a plan view of the absorbent article 10 according to the first embodiment viewed from the non-skin facing surface side.
  • the “skin facing surface side” corresponds to the side facing the wearer's skin during use.
  • the “non-skin facing surface side” corresponds to the side that is directed away from the wearer's skin during use.
  • 3 is a cross-sectional view taken along the line AA shown in FIG. 1
  • FIG. 4 is a perspective view of the absorbent article in a state wound in the front-rear direction.
  • the packaging sheet shown in FIG. 1 is omitted in FIG.
  • the absorbent article 10 has a front-rear direction L and a width direction W.
  • the front-rear direction L is a direction extending from the front side (abdomen side) of the wearer to the rear side (back side), or a direction extending from the rear side of the wearer to the front side.
  • the width direction W is a direction orthogonal to the front-rear direction L.
  • the absorbent article 10 includes a main body 20 and a post-processing tape member 60.
  • the main body 20 includes a top sheet 21 directed to the wearer's skin, a back sheet 22 directed to the opposite side of the wearer's skin, and an absorbent core 23 disposed between the top sheet 21 and the back sheet 22. ,including.
  • the surface sheet 21 faces the wearer's skin during use.
  • the back sheet 22 is directed to the opposite side of the wearer's skin during use.
  • the absorbent core 23 includes an absorbent material that absorbs body fluid, and extends along the front-rear direction L of the absorbent article.
  • the main body 20 may have a wing 40 and a hip flap 50.
  • the wing 40 is folded back to the non-skin facing surface side of the crotch portion of the wearing article during use.
  • the hip flap 50 is a portion that swells in the width direction W behind the wing 40.
  • the hip flap 50 is a portion that swells outward from the outer edge of the absorbent core 23 in the width direction W.
  • the main body 20 has an excretion opening facing area S1 that faces the excretion opening (for example, vaginal opening) of the wearer during use.
  • the main body 20 has an excretion opening facing area S1 that faces the excretion opening (for example, vaginal opening) of the wearer during use.
  • Excretion mouth facing area S1 is an area
  • the main body portion 20 includes an adhesive portion 70 provided on the non-skin facing surface side of the back sheet 22.
  • the adhesive part 70 is an area where an adhesive for stopping the absorbent article 10 on the worn article is provided.
  • the absorbent article 10 can be joined to a wearing article such as underwear by the adhesive portion 70 provided on the non-skin facing surface side of the back sheet 22.
  • the tape member 60 can be fixed in a state where the absorbent article 10 is wound and the wound state can be maintained by the adhesive portion 70. Therefore, the adhesive part 70 can be used for two purposes, that is, a use for joining the clothes and a use for fixing the post-processing tape member 60.
  • the adhesive part 70 is provided in a region overlapping the absorbent core 23 in the thickness direction of the absorbent article 10. It is preferable that the adhesion part 70 is continuously or intermittently extended from the excretion opening
  • a plurality of adhesive portions 70 are provided extending in the front-rear direction and spaced apart in the width direction. In another embodiment, a plurality of adhesive portions 70 may be provided extending in the width direction W and spaced apart in the front-rear direction.
  • the main body 20 may include a wing adhesive portion 42 provided on the wing 40 and a flap adhesive portion 52 provided on the hip flap 50.
  • the absorbent article 10 may protect the adhesive portion 70 with the packaging sheet 80 so that the adhesive portion 70 does not deteriorate before use of the absorbent article 10.
  • the packaging sheet 80 is in contact with the adhesive portion 70.
  • the area of the packaging sheet 80 is larger than the area of the adhesive part 70 to cover the entire adhesive part 70.
  • the release sheet may be disposed between the adhesive part 70 and the packaging sheet 80.
  • the release sheet protects the adhesive portion 70 so that the adhesive portion 70 does not deteriorate before use of the absorbent article 10.
  • the area of the release sheet is larger than the area of the adhesive part 70 in order to cover the entire adhesive part 70.
  • the absorbent article 10 may be individually packaged with a packaging sheet 80.
  • FIG. 5 is a diagram illustrating an example of a folding mode of the absorbent article 10 configured as described above.
  • the main body 20 of the absorbent article 10 may be folded together with the packaging sheet 80 from a plurality of folds. That is, the absorbent article 10 may have a fold extending along the width direction W.
  • the fold line of the absorbent article 10 may have a first fold line F1, a second fold line F2, a third fold line F3, and a fourth fold line F4.
  • the first fold line F1 and the second fold line F2 are fold lines extending in the width direction.
  • the first fold F1 is a fold closest to the front edge E1 of the absorbent article 10.
  • the second fold F2 is a fold closest to the rear end edge E2 of the absorbent article 10.
  • the third fold line F3 and the fourth fold line F4 extend in the front-rear direction L.
  • the fold line is a line for folding the absorbent article 10 with the skin-facing surface side of the absorbent article 10 facing inward when packaging the absorbent article.
  • the absorbent article 10 may be folded with the first fold F1 and the second fold F2 along the width direction W as the base after being folded with the third fold F3 and the fourth fold F4 along the front-rear direction L as the base.
  • a region including one outer edge of the main body 20 is a third fold line. Folded in the width direction W starting from F3.
  • FIG. 5B the region including the other outer edge of the main body 20 is folded inward in the width direction W with the fourth fold F4 as a starting point.
  • the rear end edge of the absorbent article 10 is folded inward in the front-rear direction L starting from the second fold F2, and the front end edge of the absorbent article 10 is folded inward in the front-rear direction L starting from the first fold F1. .
  • the main body 20 and the tape member 60 are included in the packaging sheet 80, and the tape member 60 can be protected before using the absorbent article. it can.
  • the tape member 60 is disposed between the adhesive portion 70 and the outer edge 20E of the main body portion 20 in plan view.
  • the tape member 60 of the present embodiment is disposed between the rear end edge of the adhesive portion and the rear end edge of the main body portion.
  • the tape member 60 has one end 60A located on the fixed portion 61 side, the other end 60B on the non-fixed portion 64 side, and a pair of side edges 60C extending from the one end 60A toward the other end 60B.
  • the tape member 60 has the 1st direction D1 which goes to the other end 60B side from the one end 60A side of the tape member 60, and the 2nd direction D2 orthogonal to the 1st direction D1.
  • One end 60 ⁇ / b> A of the tape member 60 may be one end in the longitudinal direction of the tape member 60.
  • the first direction D ⁇ b> 1 of the present embodiment is along the longitudinal direction of the tape member 60, and is along the front-rear direction L of the absorbent article 10.
  • one end 60 ⁇ / b> A of the tape member 60 may be one end in the short direction of the tape member 60.
  • the first direction D1 may be along the width direction of the tape member 60 and along the width direction of the absorbent article.
  • the first direction D1 may be a direction in which the tape member 60 is pulled out during operation. Therefore, the length of the tape member 60 in the first direction D1 may be longer than the length of the tape member 60 in the second direction D2.
  • the length of the tape member 60 in the second direction D2 is preferably 5 mm or more and 50 mm or less. If the length of the tape member 60 in the second direction D2 is less than 5 mm, the tape member 60 is small, and thus it may be difficult to grasp at the time of disposal.
  • the length of each adhesive portion 70 in the width direction is about 5 mm, and the tape member 60 and the adhesive portion 70 are substantially the same, which may make it difficult to attach the tape member 60 to the adhesive portion.
  • the tape member 60 in the second direction D2 exceeds 50 mm, the tape member 60 has a shape that is the same as or exceeds the entire width of the adhesive portion 70. Therefore, although it is easy to stick the tape member 60 at the time of disposal, it will rub at the time of use of an absorbent article, and will cause a gap of a collar part.
  • the length of the tape member 60 in the second direction D2 may be shorter than the length of the adhesive portion 70 in the second direction.
  • the length of the adhesive portion 70 in the second direction D2 is the total length of the adhesive portions 70 when a plurality of adhesive portions 70 are provided at intervals in the second direction D2.
  • the area where the tape member 60 is disposed cannot be provided with the adhesive portion 70 and cannot adhere to the underwear when the absorbent article 10 is used. Since the length of the tape member 60 in the second direction D2 is relatively short, an area that cannot be bonded to the undergarment when the absorbent article 10 is used can be narrowed, and the adhesive strength to the undergarment can be easily secured. . Moreover, since the length of the adhesive portion 70 in the second direction D2 is relatively long, the tape member 60 can be easily stopped when the absorbent article 10 is discarded.
  • the tape member 60 is fixed to the main body 20 in a state where the absorbent article 10 is wound with the skin facing surface side inward, and the state where the absorbent article 10 is wound is maintained. May be configured to.
  • the tape member has a fixing part 61, a temporary fixing part 62 and a non-fixing part 64.
  • the fixing part 61 of the tape member 60 is fixed to the back sheet 22 of the main body part 20.
  • the fixing portion 61 is joined to the back sheet 22 and is configured not to be peeled off from the back sheet 22 when the tape member 60 is used (when the absorbent article is discarded).
  • the fixing portion 61 may be provided at the rear end edge that is one end 60 ⁇ / b> A in the first direction D ⁇ b> 1 of the tape member 60. Note that the fixing portion 61 may not coincide with the one end 60A, and may be separated from the one end 60A. The fixing portion 61 only needs to be disposed closer to the one end 60A than the center of the tape member 60 in the first direction D1.
  • the temporary fixing part 62 of the tape member 60 is detachably joined to the back sheet 22.
  • the temporary fixing portion 62 is configured to be peeled off from the back sheet 22 when the tape member 60 is used (when the absorbent article is discarded).
  • the temporary fixing portion 62 is preferably not peeled off from the back sheet 22 before the tape member 60 is used (when the absorbent article 10 is used).
  • the temporary fixing portion 62 may be adjacent to the fixing portion 61 in the first direction D1, and may be disposed on the other end 60B side of the fixing portion.
  • the bonding strength of the temporary fixing portion 62 to the back sheet 22 may be 0.1 N / 25 mm or more and 2.0 N / 25 mm or less. If the bonding strength of the temporary fixing part 62 is less than 0.1 N / 25 mm, the back sheet 22 may be peeled off immediately. Further, if the bonding strength of the temporary fixing portion 62 exceeds 2.0 N / 25 mm, the back sheet 22 may be broken when the tape member 60 is pulled to peel off the temporary fixing portion 62.
  • the non-fixed portion 64 of the tape member 60 is not fixed to the back sheet 22.
  • the non-fixed portion 64 of the tape member 60 is configured to be fixed to the adhesive portion 70 of the main body portion 20.
  • the configuration in which the non-fixed portion 64 is fixed to the main body portion 20 may be the adhesive portion 70, or may be a fixing means such as an adhesive or a hook member provided on the tape member 60.
  • the fixing portion 61 of the tape member 60 may be configured to be attachable to the main body portion 20.
  • the configuration in which the fixing portion 61 is fixed to the main body portion 20 may be an adhesive portion of the main body portion 20 or may be a fixing means such as an adhesive provided on the tape member 60 or a hook member.
  • the non-fixed portion 64 is a portion where the user operates the tape member 60 without being joined to the back sheet 22. More specifically, when the user uses the tape member 60, the user holds the non-fixed portion 64 and folds the non-fixed portion 64 with the fixed portion 61 as a base point, or moves the non-fixed portion 64 in the first direction D1.
  • the non-fixed portion 64 is fastened to the main body portion 20. At least a part of the non-fixed portion 64 constitutes a grip portion that can be gripped by the user.
  • the gripping part may be the entire non-fixed part 64, or may be provided on one end side of the non-fixed part 64 opposite to the fixed part 61.
  • the bonding strength between the tape member 60 and the back sheet 22 in the fixing portion 61 is higher than the bonding strength between the tape member 60 and the back sheet 22 in the temporary fixing portion 62. Since the bonding force of the temporary fixing portion 62 is lower than the bonding force of the fixing portion 61, the user easily peels off the temporary fixing portion 62 when using the tape member 60, operates the tape member 60 by grasping the non-fixing portion 64. can do.
  • Examples of means for joining the fixing portion 61 and the temporary fixing portion 62 include an adhesive, embossing, thermal welding, and ultrasonic welding.
  • the fixing portion 61 and the temporary fixing portion 62 may be configured by embossing on the outer edge of the main body portion 20.
  • the adhesive force of the fixing part 61 and the adhesive force of the temporary fixing part 62 are different, for example, the application amount (area, basis weight) of the adhesive of the fixing part 61 is set to be greater than the application amount of the adhesive of the temporary fixing part 62.
  • the fixing portion 61 increases the embossing strength of the fixing portion 61 than the embossing strength of the temporary fixing portion 62, apply an adhesive to the fixing portion 61 and emboss, and apply the adhesive to the temporary fixing portion 62. It may be configured by applying and not embossing, or by embossing the fixing portion 61 and applying an adhesive to the temporary fixing portion 62.
  • the bonding force can be measured with a tensile testing machine (manufactured by Instron Japan Company Limited, model 5543).
  • the bonding force is measured as follows. First, the test piece of the tape member 60 and the test piece of the back surface sheet 22 are joined to the upper joint part and the lower joint part of the tensile tester.
  • the test piece joined to the upper joint and the lower joint has a width of 10 mm.
  • a bonding surface corresponding to the fixing portion 61 (or a bonding surface corresponding to the temporary fixing portion 62) is formed between the test piece bonded to the upper bonding portion and the test piece bonded to the lower bonding portion.
  • the relative displacement rate between the upper and lower joints of the tensile tester is set to 100 mm / min, and the maximum load point while peeling off each joint is defined as the joining force (adhesive strength).
  • FIG. 6 is a plan view of the tape member 60 of the absorbent article, and shows a deformation pattern of the temporary fixing portion 62.
  • An adhesive is applied to the fixing portion 61 and the temporary fixing portion 62 of the tape member 60.
  • the fixing portion 61 and the temporary fixing portion 62 are shown with different oblique lines.
  • the area ratio of the adhesive of the temporary fixing part 62 (ratio of the area of the adhesive per unit area) may be lower than the area ratio of the adhesive of the fixing part 61.
  • the basis weight of the adhesive of the temporary fixing portion 62 may be lower than the basis weight of the adhesive of the fixing portion 61.
  • the basis weight of the adhesive of the temporary fixing part 62 may be low, and the area ratio of the adhesive of the temporary fixing part 62 may be low.
  • the length of the fixing portion 61 in the width direction W which is the second direction, may be longer than the length of the temporary fixing portion 62 in the width direction W.
  • the length in the width direction of the temporary fixing portion 62 is shortened as the distance from the fixing portion 61 increases.
  • the application amount of the adhesive decreases from the one end 60 ⁇ / b> A side of the tape member 60 toward the other end 60 ⁇ / b> B of the tape member 60. Since the length of the fixing portion 61 in the second direction D2 is long and the bonding strength of the fixing portion 61 is high, the state in which the tape member 60 is bonded to the back sheet 22 by the fixing portion 61 can be maintained.
  • the length of the temporary fixing portion 62 in the second direction D2 is short, the length of peeling the temporary fixing portion 62 from the back sheet 22 when the tape member 60 is used is short, and the tape member 60 can be operated smoothly. Further, even if a part of the temporary fixing portion 62 is joined when the tape member 60 is used, the length of the temporary fixing portion 62 in the second direction D2 is short, so that the tape member 60 with respect to the back sheet 22 is used. Can be secured, and the tape member 60 can be operated smoothly.
  • the temporary fixing portion 62 may include a region where the adhesive is applied to the spots, or a region where the adhesive is applied in a dot shape as shown in FIG.
  • the temporary fixing part 62 is a hot melt type adhesive
  • the adhesive strength is improved by affixing the adhesive portion 70 and the tape member 60 to each other.
  • the tape member 60 that is used after being stretched has a small amount of remaining adhesive, and it is possible to suppress the elongation from being inhibited by the adhesive.
  • the joining force of the temporary fixing part 62 can be made smaller than the joining force of the fixing part 61.
  • the temporary fixing portion 62 can be configured with the adhesive whose jet amount gradually decreases.
  • the joining force gradually decreases as the distance from the fixing portion 61 increases.
  • An end edge on the other end 60 ⁇ / b> B side of the temporary fixing portion 62 (an end edge on the non-fixed portion 64 side) may reach the other end 60 ⁇ / b> B of the tape member 60.
  • the non-fixed part 64 is arranged on both sides of the fixed part 61 in the second direction D2.
  • the non-fixed portions 64 provided on both sides of the fixed portion in the second direction are lifted with respect to the back sheet, so that the user can easily recognize the presence of the tape member and can easily grasp the tape member during use.
  • the length of the non-fixed portion 64 in the second direction may be 30% with respect to the entire area of the tape member in the second direction, and may be 5 mm to 20 mm.
  • the non-fixed portion 64 in the second direction D2 When the length of the non-fixed portion 64 in the second direction D2 is less than 5 mm, it becomes difficult to operate the tape member 60, and when the length of the non-fixed portion 64 in the second direction D2 exceeds 20 mm, There is a possibility that the length cannot be secured sufficiently and the tape member 60 is easily detached.
  • the non-fixed portion 64 of the tape member 60 extends in the first direction D1 between the fixed portion 61 and the side edge 60C.
  • the fixing part 61 and the temporary fixing part 62 may be adjacent in the first direction D1.
  • the non-fixed portion 64 may be disposed on both sides of the temporarily fixed portion 62 in the second direction D2 and straddle both sides of the fixed portion 61 and both sides of the temporarily fixed portion 62. Since the non-fixed portion 64 is disposed across both sides of the fixed portion 61 and both sides of the temporary fixed portion 62, the non-fixed portion 64 is more likely to float with respect to the back sheet 22. The user can easily recognize the presence of the tape member 60 and can easily grasp it when in use.
  • the non-fixed portion 64 is disposed in the entire area in the front-rear direction L that is the first direction D1 of the tape member 60 in the outer edge region R1 that includes the outer edge in the width direction that is the second direction D2 of the tape member 60. May be arranged. Since the non-fixed portion is disposed in the entire area of the tape member 60 in the first direction D1, the non-fixed portion 64 is more likely to float with respect to the back sheet 22. Specifically, the entire area of the side edge 60 ⁇ / b> C of the tape member is likely to rise from the fixing portion 61 and the temporary fixing portion 62 as a base point. The user can easily recognize the presence of the tape member 60 and can easily grasp it when in use.
  • the length of the outer edge region R1 in the second direction may be 30% with respect to the entire area of the tape member in the second direction, and may be 5 mm to 20 mm.
  • the length D2 in the second direction D2 of the outer edge region R1 is less than 5 mm, it is difficult to grasp when using the tape member 60, and when the length in the second direction D2 of the outer edge region R1 exceeds 20 mm, the tape member 60 It becomes easy to turn in the two directions D2.
  • region R1 should just be provided in at least one among both the side edges 60C of a tape member.
  • the non-fixed portion 64 may be provided on the other end 60 ⁇ / b> B side of the tape member 60. More specifically, the non-fixed portion 64 may be provided in the other end region R2 including the other end 60B in the first direction D1. Note that at least a part of the non-fixed portion 64 may be disposed on the other end 60B side from the center of the tape member 60 in the first direction D1. Further, the non-fixed portion 64 may be disposed in the entire second direction D2 of the tape member 60 in the other end region R2.
  • the non-fixing portion is disposed in the entire area in the second direction D ⁇ b> 2, so that the tape member 60 is lifted with respect to the back sheet 22 on the side opposite to the fixing portion 61. easy. Therefore, the user can more easily recognize the presence of the tape member 60 and can easily grasp the tape member during use.
  • the length in the first direction of the other end region R2 may be 20% with respect to the entire area of the tape member in the first direction, and may be 10 mm to 30 mm.
  • the tape member 60 is easily turned in the first direction D1.
  • the packaging sheet 80 is developed, and the adhesive portion 70 of the main body 20 and the packaging sheet 80 are peeled off. Thereby, the adhesion part 70 of the main-body part 20 is exposed. Further, the tape member 60 is joined to the back sheet 22 via the fixing portion 61 and the temporary fixing portion 62. Next, the adhesive part 70 is stopped on a wearing article such as underwear, and the absorbent article 10 is used. After using the absorbent article 10, the main body 20 is peeled off from the worn article.
  • the absorbent article 10 is rolled up from the front end edge side (the side where the tape member is not disposed) of the absorbent article 10 with the skin facing surface of the absorbent article 10 facing inside.
  • the temporarily fixed portion 62 is peeled off from the back surface sheet 22.
  • the tape member 60 is bonded to the back sheet 22 only in the fixing portion 61.
  • the non-fixed portion 64 with the fixed portion 61 as a base point, at least a part of the tape member 60 extends outward from the outer edge 20E of the main body portion 20.
  • the absorbent article 10 can be maintained in a rolled state.
  • the tape member 60 When the post-processing tape member 60 is used, the tape member 60 is peeled off from the back sheet 22 at the temporary fixing unit 62 while the tape member 60 is bonded to the back sheet 22 at the fixing unit 61. be able to. Before use, the tape member 60 is joined to the back sheet 22 by the temporary fixing portion 62, and the problem that the tape member 60 is unintentionally bent or peeled off before use can be suppressed. Therefore, the post-processing tape member 60 can be protected before the absorbent article is discarded, and can be cleanly discarded by the tape member 60 at the time of disposal.
  • the temporary fixing portion 62 can be peeled off from the back sheet 22 at the time of use, but is joined to the back sheet 22 before use. Therefore, the user may not be able to recognize the presence of the tape member 60 before use, or the user may have difficulty grasping the tape member 60 during use.
  • the non-fixed part 64 is provided on both sides of the fixed part 61. The non-fixed portion 64 is not joined to the back sheet 22 and is likely to float with respect to the back sheet 22 with the fixed portion 61 as a base point. In particular, when the absorbent article 10 is discarded, the non-fixed portion 64 is easily lifted with respect to the back sheet 22 by rounding or folding the absorbent article to deform the absorbent article into a curved shape. When the tape member 60 is lifted, the tape member 60 is easily noticeable. The user can easily recognize the presence of the tape member 60 and can easily grasp it when in use.
  • the tape member 60 may be configured to extend outward from the outer edge 20E of the main body 20.
  • at least a part of the non-fixed part 64 extends outward from the outer edge 20E of the main body part 20 by folding the non-fixed part 64 with the fixed part 61 as a base point.
  • the tape member 60 may be disposed on the inner side of the outer edge 20 ⁇ / b> E of the main body 20 in a state where the tape member 60 is not folded back.
  • the tape member 60 may be hidden from the main body 20 when viewed from the skin facing surface side.
  • the tape member 60 may extend outward from the outer edge 20 ⁇ / b> E of the main body 20 in the folded state.
  • the user After using the absorbent article 10, the user winds the main body 20 in the front-rear direction L, and then extends the tape member 60 to the outside of the outer edge 20 ⁇ / b> E of the main body 20 to stop the tape member 60 on the main body 20. It can be worn (see FIG. 4).
  • the tape member may be configured to be extendable in the extension direction. In this case, when the user pulls the tape member, the tape member extends outside the outer edge 20 ⁇ / b> E of the main body 20.
  • “elongation” includes elongation by “elastic deformation” or “plastic deformation”.
  • the tape member 60 may be comprised from the elastic sheet and the film.
  • the tape member may be composed of a sheet folded into a Z shape. In this case, when the user pulls the tip of the tape member 60, the folded tape member 60 is unfolded, whereby the tape member 60 extends outward from the outer edge 20 ⁇ / b> E of the main body 20.
  • the tape member 60 is disposed on the inner side of the outer edge 20 ⁇ / b> E of the main body 20 on the non-skin facing surface side of the back sheet 22.
  • Body fluids such as blood are not applied.
  • the user can maintain the absorbent article 10 in a rolled state by fixing the tape member 60 extended outward to the adhesive portion 70 or the like after the use of the absorbent article 10.
  • body fluid such as menstrual blood does not adhere to the tape member 60, it is possible to prevent a decrease in the bonding force between the tape member 60 and the adhesive portion 70 or a decrease in the bonding force of the fastening means of the tape member 60. it can.
  • the tape member 60 is provided on the non-skin facing surface side of the back sheet 22 and does not extend outward from the outer edge 20 ⁇ / b> E of the main body portion 20. Does not directly hit the person's skin. Accordingly, it is possible to reduce discomfort and discomfort during use.
  • FIG. 7 is a diagram for explaining a folding manner of the tape member 60.
  • FIG. 7A is a diagram showing a state in which the tape member 60 is folded along the first direction D1.
  • FIG.7 (b) is a figure of the state by which the tape member 60 which concerns on the comparative example was return
  • FIG.7 (c) concerns on this Embodiment. It is a figure of the state by which the tape member 60 was return
  • the tape member 60 according to the comparative example is provided with a fixing portion 61 in the entire area of the tape member 60 in the second direction D2.
  • the tape member 60 When the tape member 60 is folded, it is folded back with the fixing portion 61 as a starting point. At this time, as shown in FIG. 7A, when the tape member 60 is folded back along the first direction D1, the folding base point of the tape member 60 is the end edge 61B on the other end 60B side of the fixing portion 61. . Further, depending on the user, when the tape member 60 is folded back, the tape member 60 may be folded back in a direction inclined in the first direction D1 without being folded back along the first direction D1. As shown in FIG. 7B, when the tape member 600 according to the comparative example is folded back along the direction inclined with respect to the first direction D1, the folding base point of the tape member 600 is the other end 600B of the fixing portion 610.
  • intersection C1 where the side edge and the side edge 600C intersect.
  • the folding base point of the tape member 60 is the fixed portion 61.
  • the intersection point C2 is located inside the second direction D2 from the intersection point C1.
  • the bonding strength of the adhesive portion 70 to the worn article may be higher than the bonding strength of the temporary fixing portion 62 to the back sheet 22.
  • the bonding strength can be defined by any one of the following adhesiveness and peeling sound.
  • the absorbent article bonded to the cloth is bonded to the pushable gauge using a push bull gauge at room temperature, and is usually peeled by hand (equivalent to 2000 mm / min) ) And peeled by hand, and the maximum load at that time was measured.
  • Cloth 70mm wide x 200mm long Kanakin base fabric (Japanese Standards Association, Kanakin No. 3)
  • the adhesiveness with respect to the back surface sheet 22 of the temporary fixing part 62 can be measured as follows. As procedure 1, the tape member 60 and the back sheet 22 are cut out to 100 ⁇ 100 mm.
  • one side tape member of a tensile tester (Instron Japan Company Limited, model 5543) with a gap between chucks is sandwiched between the back sheet and the other side is pulled at a speed of 100 mm / min.
  • the maximum load at that time is measured, and the result converted to N / 25 mm is defined as the joint strength of the temporarily fixed portion.
  • the absorbent article 10 When using the absorbent article, the absorbent article 10 is joined to the worn article by the adhesive portion 70. When the absorbent article is used, the absorbent article is joined to the worn article by the adhesive portion 70. By ensuring the bonding strength of the adhesive part, it is possible to prevent the absorbent article from being peeled off from the worn article without intention during use. In addition, when the absorbent article is peeled from the worn article after using the absorbent article, the wearer's hands are generally free, for example, the worn article is suppressed with one hand and the other hand is used. The absorbent article can be grasped and the absorbent article can be peeled from the worn article using both hands. Therefore, even if the bonding strength of the adhesive portion is increased, the absorbent article can be smoothly peeled from the worn article.
  • the tape member 60 is small compared to the entire absorbent article. For this reason, it is difficult for the user to grasp and it is difficult to remove the joint of the temporary fixing portion 62. Since the bonding strength of the temporary fixing part 62 is relatively low, the bonding of the temporary fixing part 62 can be easily removed and cleanly discarded using the tape member 60. Further, when the absorbent article is discarded, the tape member 60 is stopped by the tape member 60 so as to maintain the state in a state where the absorbent article is rounded down or the like. When the tape member 60 is stopped, it is generally in a state where only one hand is free.
  • the absorbent article is held in a small state with one hand, and the temporary fixing portion 62 of the tape member 60 is held with the other hand. Perform operations such as removing the joint. By reducing the bonding strength of the temporary fixing portion 62, the tape member 60 can be operated smoothly with one hand.
  • the friction coefficient of the non-skin facing surface of the tape member 60 may be higher than the friction coefficient of the non-skin facing surface of the back sheet 22. Since the friction coefficient of the tape member 60 is relatively high, the user can easily grip the tape member 60 and the operability of the tape member 60 is improved. Moreover, in the state which mounted
  • the friction coefficient may be a dynamic friction coefficient measured according to the method described in page 3.1 of JIS P8147.
  • the friction coefficient of the non-skin facing surface of the back sheet 22 may be higher than the friction coefficient of the non-skin facing surface of the tape member 60. Since the friction coefficient of the back sheet 22 is relatively high, the back sheet 22 is unlikely to be displaced with respect to the worn article around the tape member 60 in a state where the absorbent article is attached to the worn article. The problem of bending or bending can be suppressed.
  • the temporary fixing part 62 may be disposed across the outer edge of the absorbent core 23.
  • the outer edge of the absorbent core 23 is a boundary where thickness and rigidity change.
  • the tape member 60 is preferably provided on the rear side of the center of the main body portion 20 in the front-rear direction L.
  • the tape member 60 is preferably provided in a region located on the rear side with respect to the center in the front-rear direction L. At least a part of the tape member 60 may be disposed across the rear end edge of the absorbent core 23 or on the rear side of the rear end edge of the absorbent core.
  • the tape member 60 may be provided on the rear side of the rearmost second fold F2 of the first fold F1 to the second fold F2. As described above, about 80% of users start winding the absorbent article 10 after use from the front side. Since the tape member 60 is provided on the rear side of the second fold line F ⁇ b> 2, many users can start rounding from the front edge E ⁇ b> 1 of the absorbent article 10 and fix the winding end portion with the tape member 60.
  • the top sheet may be composed of an air-through nonwoven fabric (PE / PET) having a basis weight of 30 g / m 2 .
  • a second sheet may be provided between the top sheet and the absorbent core.
  • the second sheet may be made of the same material as the top sheet.
  • the side sheet may be composed of an SMS nonwoven fabric (PP) having a basis weight of 13 g / m 2 .
  • the absorbent material of the absorbent core may be composed of softwood kraft pulp and superabsorbent polymer.
  • the ratio of the weight of the superabsorbent polymer to the total weight of the absorbent material may be 10%.
  • the basis weight of the absorption core in the region including the excretion opening facing area S1 may be configured to be higher than the basis weight of the surrounding absorption core.
  • the basis weight of the absorption core in the region including the excretion opening facing area S1 may be 950 g / m 2
  • the basis weight of the surrounding absorption core may be 300 g / m 2 .
  • the back sheet may be constituted by a polyethylene film (non-breathable type) having a basis weight of 23.5 g / m 2 .
  • the pressing part by which the surface sheet and the absorption core were squeezed in the thickness direction may be formed.
  • the main body adhesive portion may be composed of a rubber-based hot melt adhesive.
  • the basis weight of the main body adhesive portion may be 27 g / m 2 .
  • Six main body adhesive portions may be provided in the width direction.
  • the length in the width direction of each main body adhesive portion may be 5 mm, and the length in the front-rear direction of each main body adhesive portion may be 320 mm.
  • the length of the absorbent article in the front-rear direction may be 420 mm, and the length of the absorbent article in the width direction may be 200 mm.
  • the tape member 60 extending polypropylene layer having a basis weight of 10 g / m 2, a styrene-based rubber layer of 10 g / m 2, and may be constituted by a stack of basis weight polypropylene layer of 10 g / m 2.
  • the length of the tape member 60 in the front-rear direction may be 55 mm, and the length of the tape member 60 in the short direction may be 25 mm.
  • the tape member 60 may be joined to the main body by a rubber-based hot melt adhesive of 60 g / m 2 .
  • the adhesive may be applied in a range of a width of 21 mm and a length of 12 mm.
  • the tape member may have a printed layer using a pink urethane ink.
  • FIG. 8 is a plan view of the absorbent article 10A according to Modification 1 as viewed from the non-skin facing surface side.
  • a part of the adhesive portion constitutes the temporary fixing portion 62.
  • the absorbent article 10A according to Modification 1 has a plurality of adhesive portions extending in the width direction and spaced apart in the front-rear direction.
  • the adhesive portion 70 located on the rearmost side constitutes a temporary fixing portion 62 with a part of the adhesive portion.
  • the tape member 60 is bonded to the back sheet at the fixing portion 61, while the tape member 60 is bonded to the back sheet at the temporary fixing portion 62.
  • the tape member 60 can be peeled off and used. Before use, the tape member 60 is joined to the back sheet by the temporary fixing portion 62, and the problem that the tape member 60 is unintentionally bent or peeled off before use can be suppressed.
  • the temporary fixing portion 62 may be provided on the other end side of the tape member 60.
  • the non-fixed part may be provided between the fixed part 61 and the temporary fixed part 62 in the first direction D1 and on the outer side of the fixed part 61 in the first direction D1.
  • the user grips the non-fixed portion 64 provided on the side edge 60C of the tape member 60, or hooks a finger or the like on the non-fixed portion 64 between the fixed portion 61 and the temporary fixed portion 62, whereby the back sheet
  • the temporary fixing part 62 can be peeled off from 22, and the absorbent article 10 ⁇ / b> A can be maintained in a rolled state by the tape member.
  • the adhesive part 70 constituting the temporary fixing part may be constituted by the same adhesive as other adhesive parts not constituting the temporary fixing part, or other adhesive part. It may be comprised by the different adhesive agent.
  • the tape member 60 of the absorbent article 10B according to Modification 2 is disposed across the fold.
  • the absorbent article 10B has a fifth fold F5 extending in the width direction on the rear side of the second fold F2.
  • the fifth fold line F5 is a fold line located on the rearmost side.
  • the fifth fold F5 and the tape member 60 overlap in the thickness direction.
  • the tape member 60 has a crease formed by a fifth fold F5. According to the absorbent article 10B according to the modified example 2, when the absorbent article 10B is deployed (during use or disposal), the tape member 60 is likely to be lifted from the back sheet 22 by folding. Therefore, the user can easily notice the presence of the tape member 60 and can easily grasp the tape member 60.
  • the fifth fold F5 straddles the non-fixed portion 64 and the temporary fixed portion 62 of the tape member 60. That is, the fifth fold F5 is preferably provided in a region where the fixing portion 61 is not provided in the first direction D1 (region where the non-fixing portion and the temporary fixing portion are provided).
  • fixed part is not provided in the 1st direction D1 is attached
  • the region 69 is a region between the edge on the other end side of the fixing portion 61 and the other end 60 ⁇ / b> B of the tape member 60.
  • the region 69 has a crease, the user is more easily aware of the presence of the tape member 60 and more easily grips the tape member 60.
  • the distance L2 between the fifth fold F5 and the edge on the opposite side of the fixed portion is preferably shorter than the distance L1 between the fifth fold F5 and the fixed portion 61. . It becomes easier for the tape member to stand up from the crease.
  • the fold line overlapping the tape member is not limited to the fifth fold line, and may be another fold line, a fold line for folding only the absorbent article, or for folding the absorbent article and the packaging sheet. It may be a fold.
  • the present invention has been described in detail using the above-described embodiments. However, it is obvious for those skilled in the art that the present invention is not limited to the embodiments described in the present specification. The present invention can be implemented as modified and changed modes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.
  • the first direction may be the width direction
  • the second direction may be the front-rear direction.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2019/013377 2018-04-12 2019-03-27 吸収性物品 WO2019198515A1 (ja)

Applications Claiming Priority (2)

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JP2018077191A JP7174532B2 (ja) 2018-04-12 2018-04-12 吸収性物品
JP2018-077191 2018-04-12

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112807160A (zh) * 2019-11-18 2021-05-18 尤妮佳股份有限公司 吸收性物品的包装体和吸收性物品的收纳体
KR102356901B1 (ko) * 2020-03-04 2022-01-28 전주대학교 산학협력단 위생 용품

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734212U (enrdf_load_stackoverflow) * 1980-08-08 1982-02-23
JPH11104167A (ja) * 1997-10-06 1999-04-20 Shiseido Co Ltd 生理用品等の個別包装具
JP2016120077A (ja) * 2014-12-25 2016-07-07 ユニ・チャーム株式会社 展開型使い捨ておむつ
JP2018000993A (ja) * 2016-06-24 2018-01-11 ユニ・チャーム株式会社 吸収性物品

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5734212U (enrdf_load_stackoverflow) * 1980-08-08 1982-02-23
JPH11104167A (ja) * 1997-10-06 1999-04-20 Shiseido Co Ltd 生理用品等の個別包装具
JP2016120077A (ja) * 2014-12-25 2016-07-07 ユニ・チャーム株式会社 展開型使い捨ておむつ
JP2018000993A (ja) * 2016-06-24 2018-01-11 ユニ・チャーム株式会社 吸収性物品

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