WO2022030432A1 - Couche jetable de type culotte - Google Patents

Couche jetable de type culotte Download PDF

Info

Publication number
WO2022030432A1
WO2022030432A1 PCT/JP2021/028566 JP2021028566W WO2022030432A1 WO 2022030432 A1 WO2022030432 A1 WO 2022030432A1 JP 2021028566 W JP2021028566 W JP 2021028566W WO 2022030432 A1 WO2022030432 A1 WO 2022030432A1
Authority
WO
WIPO (PCT)
Prior art keywords
region
layer sheet
sheet
outer layer
pants
Prior art date
Application number
PCT/JP2021/028566
Other languages
English (en)
Japanese (ja)
Inventor
俊明 一萬田
Original Assignee
花王株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2021052192A external-priority patent/JP7064035B2/ja
Application filed by 花王株式会社 filed Critical 花王株式会社
Priority to CN202180057318.1A priority Critical patent/CN116133627A/zh
Publication of WO2022030432A1 publication Critical patent/WO2022030432A1/fr

Links

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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • 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
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • 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
    • 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 a pants-type disposable diaper equipped with a disposal tape.
  • pants-type disposable diapers equipped with a disposal tape that can keep the disposable diaper in a rolled state are known.
  • the applicant first arranges the fixing portion fixed to the outer surface of the disposable diaper, the extending portion, and the fastening portion along the long side direction of the disposal tape, and in this order, three.
  • the present invention provides a pants-type disposable diaper having a waist opening and a pair of leg openings, and having a ventral portion arranged on the ventral side of the wearer and a dorsal portion arranged on the dorsal side in the wearing state. It is to provide.
  • a disposal tape for maintaining the disposal form of the disposable diaper is provided on the outer surface of the main body portion of the disposable diaper.
  • a fixing portion fixed to the outer surface of the main body portion, an extension portion, and a fastening portion are arranged in this order along the long side direction of the disposal tape. It is provided on the outer surface of the main body portion in a folded state.
  • the waste tapes are joined so that the surfaces facing each other in the thickness direction can be peeled off from each other.
  • the stretched portion can be stretched in the long side direction of the waste tape.
  • the main body portion has an outer surface to which the fixing portion is fixed and an inner sheet located on the skin facing surface side with respect to the outer layer sheet forming the outer surface.
  • the main body portion has a first region and a second region in a portion overlapping the fixing portion. The first region is located on the side of the connection portion with the extension portion in the long side direction of the fixing portion, and the disposal tape is fixed to the disposal tape which has been released from the folded state.
  • This region is located on the side opposite to the connection portion in the side direction, and the amount of increase in the distance is smaller than that of the first region.
  • FIG. 1 is a perspective view showing an embodiment of the pants-type disposable diaper of the present invention.
  • FIG. 2 is a developed plan view schematically showing the skin facing surface side in the unfolded and stretched state of the pants-type disposable diaper shown in FIG. 1.
  • FIG. 3 is a schematic cross-sectional view taken along the line II of FIG. 4 (a) and 4 (b) are perspective views showing how the disposal tape of the pants-type disposable diaper shown in FIG. 1 is stretched.
  • FIG. 5 is a perspective view showing a disposal form of the pants-type disposable diaper shown in FIG. 6 (a) to 6 (c) are schematic cross-sectional views schematically showing the structure of the cushioning structure of the pants-type disposable diaper and the change in the structure of the main body portion when the disposal tape is gradually stretched.
  • FIG. 7 (a) and 7 (b) are explanatory views of the relationship between the elongation rate including the deformation amount of the main body portion of the diaper and the tensile load, and are explanatory views of the action and effect of one embodiment of the present invention.
  • FIG. 8 is an explanatory diagram of a test method for a vertical tensile test of a waste tape.
  • the disposal tape described in Patent Document 1 since the length of the tape increases due to the elongation of the elongated portion, it can be widely arranged around the rolled diaper and the diaper is maintained in the rolled state. Easy to do. However, when a person pulls the waste tape by hand, it is difficult to apply force until it starts to stretch, and the inertia when pulling it vigorously by hand may apply a load more than expected to the waste tape. .. Since the stretched portion breaks when it exceeds the stretchable tensile strength (also referred to as the breaking limit elongation), it is preferable to increase the tensile strength from the viewpoint of suppressing breakage, but if it is too high, it will not be pulled by a strong force. Since the extension part does not extend, it becomes difficult to dispose of it.
  • the stretchable tensile strength also referred to as the breaking limit elongation
  • the present invention relates to a pants-type disposable diaper that can eliminate the drawbacks of the above-mentioned prior art.
  • FIG. 1 shows an embodiment of a pants-type disposable diaper according to the present invention.
  • the pants-type disposable diaper 1 shown in the figure (hereinafter, also simply referred to as “diaper 1”) has a waist opening 1W through which the wearer's torso is passed and a pair of leg openings through which the wearer's lower limbs are passed. It has 1L and 1L.
  • the diaper 1 includes an absorbent main body 4 having a front surface sheet 2, a back surface sheet 3, and an absorbent body 40, and an outer body 5 arranged on the non-skin facing surface side of the absorbent main body 4.
  • the exterior body 5 forms a non-skin facing surface of the diaper 1, that is, an outer surface of the diaper 1.
  • the "skin facing surface” is arranged on the surface of the diaper or its constituent members (for example, a surface sheet) facing the wearer's skin side at the time of wearing, that is, the side relatively close to the wearer's skin.
  • the “non-skin facing surface” is the surface of the diaper or its constituent members that faces the opposite side (clothing side) of the diaper when worn, that is, the side that is relatively far from the wearer's skin. It is the surface to be done.
  • the term "when worn” as used herein means a state in which the normal proper wearing position, that is, the correct wearing position of the diaper 1 is maintained.
  • the diaper 1 includes a ventral part A arranged on the ventral side of the wearer, a crotch part C arranged on the crotch part, and a dorsal part B arranged on the back side of the wearer in the wearing state.
  • both side edges of the exterior body 5 along the vertical direction X in each of the ventral side A and the dorsal side B are joined to each other by known joining means such as an adhesive, a heat seal, and an ultrasonic seal. There is.
  • the above-mentioned waist opening 1W and a pair of leg openings 1L and 1L are formed.
  • FIG. 2 shows the unfolded and stretched diaper 1.
  • the "deployed and stretched state" of the diaper 1 is a state in which the diaper 1 is separated from the state in which both side edges of the outer body 5 of the ventral side A and the dorsal side B along the vertical direction X are joined to each other.
  • the diaper 1 in the unfolded state is a state in which the elastic members of each part are extended to reach the design dimensions (the same as the dimensions when the diapers are expanded in a plane with the influence of the elastic members completely removed).
  • the diaper 1 has a vertical direction X corresponding to a direction extending from the ventral side A to the dorsal side B via the crotch part C, and the diaper 1 in a state of being spread in a plane as shown in FIG. It has a lateral direction Y orthogonal to the direction X.
  • the vertical direction X coincides with the longitudinal direction of the absorbent body 4.
  • the diaper 1 is formed symmetrically with respect to the vertical center line CL extending in the vertical direction X and bisectly dividing the diaper 1 in the horizontal direction Y.
  • the exterior body 5 is arranged in an extended state between the outer layer sheet 55, the inner layer sheet 56 arranged on the skin facing surface side of the outer layer sheet 55, and both of these sheets 55 and 56. It has a plurality of elastic members 53 and 54.
  • the outer layer sheet 55 forms the outer surface of the diaper 1, and the outer layer sheet 55 and the inner layer sheet 56 are adjacent to each other.
  • a non-woven fabric is preferable.
  • non-woven fabric those produced by various manufacturing methods can be used, and for example, non-woven fabrics produced by various manufacturing methods such as spunbonded nonwoven fabric, thermal bonded nonwoven fabric, spunlaced nonwoven fabric, meltblown nonwoven fabric and air-through nonwoven fabric can be used.
  • the outer layer sheet 55 has good texture and breathability, and is available at a relatively low price while satisfying physical properties such as strength required for use in diaper 1.
  • the inner layer sheet 56 (inner sheet) has good breathability and is relatively low while satisfying physical properties such as strength required for use in diaper 1. From the viewpoint of being available at a price, it is preferable to use a spunbonded non-woven fabric.
  • the exterior body 5 has an expansion / contraction region G that expands / contracts in the lateral direction Y due to expansion / contraction of the elastic members 53 and 54. More specifically, as the stretchable region G, the waist stretchable region G1 formed on the outer side of the absorbent body 4 in the vertical direction X and the lower stretchable region formed on the inseam C side of the waist stretchable region G1. It has a region G2.
  • the diaper 1 has a ventral waist stretch region FG1 located on the ventral side A side and a dorsal waist stretch region BG1 located on the dorsal side B side as the waist stretch region G1, and serves as a lower stretch region G2.
  • reference numeral 53 is an elastic member 53 arranged in the waist expansion / contraction region G1
  • reference numeral 54 is an elastic member 54 arranged in the waist circumference lower expansion / contraction region G2.
  • the waist expansion / contraction region G1 is formed on the outer sides of both ends 4a and 4b of the absorbent body 4 in the longitudinal direction X.
  • the waist elastic region G1 is arranged on the waist portion of the wearer under the wearing condition.
  • the lower expansion / contraction region G2 is located between the positions of the ends 4a and 4b of the absorbent body 4 in the longitudinal direction X and the positions of the lower ends of the side seal portion 7 in the vertical directions X of the ventral side portion A and the dorsal side portion B, respectively. Is formed in.
  • the elastic member 54 is arranged so as to extend in the horizontal direction Y at least between the side seal portion 7 and the side edge extending in the vertical direction X of the absorbent main body 4.
  • the elastic member 54 is preferably arranged in an extended state in the lateral direction Y even in a portion crossing the absorbent main body 4, but instead, it is between both side edges of the absorbent main body 4 along the vertical direction X.
  • the elastic member 54 may not be arranged, or the elastic member 54 may be arranged in a state of being finely divided so as not to exhibit elastic elasticity.
  • the absorbent body 40 in the diaper 1 of the present embodiment includes a liquid-retaining absorbent core 41 and a core wrap sheet 42 that covers the skin-facing surface and the non-skin facing surface of the absorbent core 41.
  • the absorbent core 41 is composed of a water-absorbent polymer and hydrophilic fibers.
  • One core wrap sheet 42 may cover the entire circumference of the absorbent core 41, or two or more core wrap sheets 42 may cover the entire circumference of the absorbent core 41.
  • the diaper 1 is provided with leak-proof cuffs 6 and 6 extending along the vertical direction X on both side portions of the absorbent main body 4 along the vertical direction X.
  • the leak-proof cuffs 6 and 6 are a water-repellent cuff-forming sheet 61 that is continuous over the entire length of the absorbent body 4 in the vertical direction X, and a vertical X in the lateral direction Y of the cuff-forming sheet 61. It is configured to include one or a plurality of cuff elastic members 62 fixed in an extended state.
  • the leak-proof cuffs 6 and 6 stand upright on the skin-facing surface side by having the cuff elastic member 62.
  • the diaper 1 of the present embodiment is provided with a disposal tape on the exterior body 5.
  • a disposal tape 10 is provided on the outer surface 5A of the exterior body 5 on the back side portion B.
  • the disposal tape 10 is used to maintain the disposal form of the diaper 1.
  • the disposal tape 10 is located at a substantially central portion in the lateral direction Y on the back side portion B of the diaper 1.
  • the disposal tape 10 of the present embodiment is provided so that its long side direction X1 coincides with the vertical direction X of the diaper 1 in the tri-folded state.
  • FIG. 3 is a schematic cross-sectional view taken along the line I-I of FIG.
  • FIG. 3 shows a cross-sectional structure of the waste tape 10 in a tri-folded state.
  • the waste tape 10 is mainly composed of three parts. Specifically, the disposal tape 10 is composed of a fixing portion 12, an extending portion 15, and a fastening portion 18.
  • the fixing portion 12, the extending portion 15, and the fastening portion 18 are arranged in this order along the long side direction X1 of the waste tape 10.
  • the waste tape 10 of the present embodiment is in a tri-folded state in which the fixing portion 12, the extending portion 15, and the fastening portion 18 are laminated in this order.
  • the waste tape 10 is provided on the outer surface of the main body of the diaper in a folded state, but the "folded state" is not limited to the above-mentioned tri-folded state, and the fixing portion 12 And the extension portion 15 and the fastening portion 18 may be folded in half.
  • a state in which the extension portion 15 and the fastening portion 18 are overlapped on the fixing portion 12 by being folded back only between the fixing portion 12 and the extension portion 15 can be mentioned as an example.
  • the waste tape 10 before use in the unfolded state is compact and has a structure in which the fixing portion 12, the extending portion 15 and the fastening portion 18 are overlapped in this order by being folded in three. It is preferable because the fastening portion 18 can be easily pulled out in the tensile direction of the disposal tape 10 and the disposal operation can be facilitated.
  • the fixing portion 12, the extending portion 15, and the fastening portion 18 are folded, or the fixing portion 12, the extending portion 15, and the fastening portion 18 are folded. .. Further, in the waste tape 10 in which the fixing portion 12, the extending portion 15 and the fastening portion 18 are folded in such a state, the surfaces facing each other in the thickness direction are bonded to each other so as to be peelable. preferable. Even in the waste tape folded in another embodiment, it is preferable that the surfaces facing each other in the thickness direction are detachably joined to each other.
  • the thickness direction referred to here is a direction perpendicular to the outer surface of the main body portion to which the waste tape 10 is fixed, and is a direction in which the fixing portion 12 and the extension portion 15 and the fastening portion 18 overlap each other or the fixing portion 12. In the direction in which the extension portion 15 and the fastening portion 18 overlap each other.
  • the fixing portion 12 of the waste tape 10 has a fixing portion sheet piece 13.
  • the fixed portion sheet piece 13 has a first surface 13a and a second surface 13b.
  • the first surface 13a of the fixing portion sheet piece 13 faces the extension portion 15 and the second surface 13b is the diaper 1 except for the folded portion 13'described later. Facing the outer surface.
  • the fixing portion 12 has an adhesive portion 14 for the fixing portion.
  • the fixing portion adhesive portion 14 is provided on the second surface 13b of the fixing portion sheet piece 13.
  • the fixing portion 12 is fixed to the outer surface of the dorsal portion B of the diaper 1 by the fixing portion adhesive portion 14.
  • the waste tape 10 is non-detachably fixed to the outer surface of the back side portion B of the diaper 1 via the fixing portion adhesive portion 14.
  • an adhesive such as a hot melt type adhesive or a known method such as fusion can be used.
  • the extension portion 15 has a sheet piece 16 for the extension portion.
  • the extension sheet piece 16 may have the same length as the fixing sheet piece 13 described above, or may have a different length. Further, the sheet piece 16 for the extension portion may have the same width as the sheet piece 13 for the fixing portion, or may have a different width.
  • the extension sheet piece 16 has a first surface 16a and a second surface 16b. In the waste tape 10 in the tri-folded state, the first surface 16a of the extension sheet piece 16 faces the fastening portion 18 except for the portion overlapping the folded portion 16'and the folded portion 13', which will be described later. However, the second surface 16b faces the fixed portion 12.
  • the stretched portion 15 has an adhesive portion 17 for the stretched portion.
  • the adhesive portion 17 for the extension portion is provided on the second surface 16b of the sheet piece 16 for the extension portion.
  • the adhesive portion 17 for the stretched portion is for peeling and joining between the stretched portion 15 and the fixing portion 12 in the waste tape 10 which is in a tri-folded state. Therefore, it is preferable that the adhesive portion 17 for the extension portion is composed of a low-adhesive adhesive.
  • the fixing portion sheet piece 13 has a folded portion 13'folded back toward the extending portion 15 at one end in the long side direction X1 of the waste tape 10. is doing.
  • the folded-back portion 13' is joined to one end of the extended portion sheet piece 16 in the extended portion 15 on the side of the second surface 16b.
  • the fixed portion 12 and the extended portion 15 are directly connected to each other.
  • a known method such as an adhesive such as a hot melt type adhesive, fusion, or a combination thereof can be used.
  • the fastening portion 18 of the disposal tape 10 can be attached to an arbitrary position on the outer surface of the diaper 1 (outer surface 5A of the exterior body 5), and when the disposal form of the diaper 1 is maintained by the disposal tape 10. In addition, it is a part to be fixed to the outer surface 5A of the diaper 1.
  • the fastening portion 18 forms a tip region of the waste tape 10, and has a fastening portion sheet piece 19.
  • the sheet piece 19 for the fastening portion may have the same length as the sheet piece 13 for the fixing portion or the sheet piece 16 for the extension portion, or may have a different length.
  • the fastening portion sheet piece 19 may have the same width as the fixing portion sheet piece 13 or the extending portion sheet piece 16, or may have a different width.
  • the fastening sheet piece 19 has a first surface 19a and a second surface 19b. In the waste tape 10 in the tri-folded state of the present embodiment, the second surface 19b of the fastening sheet piece 19 faces the extending portion 15.
  • the fastening portion 18 has an adhesive portion 20 for the fastening portion.
  • the adhesive portion 20 for the fastening portion is provided on the second surface 19b of the sheet piece 19 for the fastening portion.
  • the adhesive portion 20 for the fastening portion is detachably joined between the fastening portion 18 and the extending portion 15 of the waste tape 10 which is in a tri-folded state, and the fastening portion 18 is attached to the outer surface of the diaper 1. It will surely settle in any position. From this point of view, it is preferable that the degree of adhesiveness of the adhesive portion 20 for the fastening portion is determined.
  • the stretched portion sheet piece 16 in the stretched portion 15 described above is formed with a folded portion 16'one end of which is folded back toward the fastening portion 18 in the long side direction X1.
  • the folded-back portion 16' is joined to one end of the fastening portion sheet piece 19 in the fastening portion 18 on the side of the second surface 19b.
  • a picking piece 21 is joined to the other end of the fastening portion sheet 19 in the fastening portion 18 on the second surface 19b side.
  • the picking piece 21 is a sheet piece separate from the sheet piece 19 for the fastening portion.
  • an adhesive such as a hot melt type adhesive and fusion are used, respectively.
  • a known method such as a combination of these can be used.
  • the waste tape 10 composed of the three parts of the fixing portion 12, the extending portion 15, and the fastening portion 18 in the present embodiment is folded in three in a Z shape.
  • the waste tape 10 is set so that the free end of the waste tape 10 in the tri-folded state, that is, the attachment portion of the picking piece 21 at the fastening portion 18, faces the waist opening 1W side of the diaper 1. It is attached to the back side B of the diaper 1.
  • the extension portion 15 and the fastening portion 18 of the disposal tape 10 can be expanded and contracted in the long side direction X1 of the disposal tape 10.
  • the direction in which the waste tape 10 is extended in the long side direction X1 is defined as the stretching direction X1A
  • the contracting direction is defined as the contraction direction X1B.
  • FIG. 4A the waste tape 10 in the tri-folded state is released from the tri-folded state to be in the unfolded state, and the fastening portion 18 is held by a person in the extending direction X1A of the tape. Pull to. Then, when a tensile force is applied to the waste tape 10, each of the extension portion 15 and the fastening portion 18 expands as shown in FIG.
  • the extension portion 15 and the fastening portion 18 can be extended in the extension direction X1A of the waste tape 10 in the unfolded state in which the tri-folded state is released.
  • the unfolded state in which the tri-folded state is released means that the extension portion 15 and the fixing portion 12 of the waste tape 10 are peeled off, and the extension portion 15 and the fastening portion 18 are peeled off. It means a state in which the waste tape 10 in a tri-folded state is unfolded in a straight line. In the unfolded state, the waste tape 10 can be stretched by human power, and at that time, the stretched portion 15 and the fastening portion 18 can be stretched.
  • FIG. 5 shows a disposal form of the diaper 1 at the time of disposal.
  • the diaper 1 When disposing of the diaper 1, the diaper 1 is wound from the lower crotch C toward the waist opening 1W so that the ventral side A faces inward in the diaper 1 shown in FIG. make.
  • the waste tape 10 provided on the back side B is exposed to the outside of the rolled-up diaper 1.
  • the disposal tape 10 is stretched and wound around the outer circumference of the diaper 1 which has been rolled up into a disposal form, and the fastening portion 18 is fastened to the outer surface 5A. Therefore, the diaper 1 can be maintained in the disposal form.
  • the waste tape 10 is arranged at a position facing the absorbent core 41 of the absorber 40.
  • the diaper 1 of the present embodiment includes a disposal tape 10 and a main body portion 1A to which the disposal tape 10 is fixed to an outer surface.
  • the main body portion 1A includes an outer body 5 and an absorbent main body 4 fixed to the skin facing surface side of the outer body 5.
  • the outer surface 5A of the main body portion 1A of the diaper 1 is composed of the outer surface of the outer layer sheet 55 forming the non-skin facing surface of the exterior body 5.
  • the main body portion 1A of the diaper 1 is also referred to as a diaper main body 1A.
  • the diaper body 1A has an outer surface 5A to which the fixing portion 12 of the disposal tape 10 is fixed and an inner layer sheet which is an inner surface sheet located on the skin facing surface side of the outer surface 5A.
  • the long-sided diaper body 1A of the fixing portion 12 is located in a portion overlapping the fixing portion 12 of the waste tape 10, and the first region is located on the connecting portion 11 side with the extending portion 15 in X1. It has R1 and has a second region R2 on the side opposite to the connection portion 11 side in the long side direction X1 of the fixed portion 12. As shown in FIG. 6B, the first region R1 has an outer surface when the waste tape 10 released from the tri-folded state is pulled in a direction perpendicular to the outer surface 5A to which the waste tape 10 is fixed.
  • the diaper 1 has a cushioning structure that deforms so as to increase the distance between the 5A and the inner sheet, which is the inner layer sheet 56 in the diaper 1.
  • the second region R2 as compared with the first region R1, when the waste tape 10 released from the tri-folded state is pulled in the direction perpendicular to the outer surface 5A, the outer surface 5A and the inner layer sheet 56 (inner sheet). ), The amount of increase in the distance is small. The distance between the outer surface 5A and the inner layer sheet 56 (inner sheet) is measured along the normal direction of the surface of the inner layer sheet 56 (inner sheet).
  • the cushioning structure is a state in which the fixing portion 12 of the disposal tape 10 is fixed to the diaper 1, and when the disposal tape 10 is pulled, the extension portion 15 is not stretched before the extension portion 15 starts to stretch at a different portion other than the disposal tape 10.
  • the main body of a diaper 1 is deformed. If the cushioning structure is provided, the waste tape can accelerate the start of elongation, but delay the start of elongation of the stretchable portion such as the stretchable portion 15.
  • the disposal tape 10 with respect to the tensile load N at the beginning of pulling the disposal tape 10 Elongation can be suppressed.
  • the cushioning structure is preferably present on the exterior body 5 of the diaper body.
  • the structure of the cushioning structure is not limited to the deformation of the exterior body 5, and when the waste tape 10 is pulled in the vertical direction with respect to the outer surface 5A of the exterior body 5 to which the fixing portion 12 is fixed, the pulling is applied.
  • the part that deforms with it is included. That is, the buffer structure and the position where the fixing portion 12 is formed can be arbitrarily set according to the position where the fixing portion 12 is fixed. The individual configurations of the buffer structure will be described later.
  • FIG. 7B shows that the disposal tape 10 is pulled when the diaper body 1A has a first region R1 having a buffering structure at a portion overlapping with the fixing portion 12 of the disposal tape 10, as in the diaper 1. It is a graph schematically showing the relationship between the elongation rate including the deformation amount of the cushioning structure and the tensile load, and FIG. 7A shows the case where the diaper body 1A does not have such a cushioning structure. It is a similar graph of.
  • the diaper body 1A is fixed because the portion overlapping with the fixing portion 12 of the waste tape 10 includes a first region R1 having a buffering structure and a second region R2 having no buffering structure.
  • the buffer structure is present in the entire part overlapping the portion 12, there is a problem that the sheet forming the outer surface 5A is damaged and, in some cases, the waste tape 10 is removed from the diaper body. Can be suppressed.
  • FIG. 6 is a diagram showing a preferred embodiment of the first region R1 and the second region R2 provided at the portion overlapping the fixing portion 12.
  • the left side is the waist opening side
  • the right side is the inseam C side.
  • the waste tape 10 is released from the folded state and put into an unfolded state, and is shown in FIG. 6B.
  • the outer layer sheet forming the outer surface 5A is formed.
  • the release of the folded state of the waste tape 10 of the present embodiment is the release of the tri-folded state.
  • the second region R2 when the waste tape 10 is pulled in a direction perpendicular to the outer surface 5A to which the waste tape 10 is fixed with a force weaker than the tensile load at which the extension portion 15 starts stretching. It does not have a gap forming structure such that the outer layer sheet 55 forming the outer surface 5A and the outer layer sheet 55 are separated from each other.
  • the diaper body When the diaper body is provided with such a gap forming structure, the time when the entire waste tape 10 starts to stretch is accelerated, and the stretch is due to the deformation of the outer surface 5A (outer layer sheet 55) being pulled upward. Therefore, the substantially extension start time of the extendable portion such as the extension portion 15 is delayed. That is, as shown in FIG. 6 (c), even when the waste tape 10 is further pulled from the state of FIG. 6 (b), by providing the buffer structure, not only the waste tape 10 but also the diaper is provided at the beginning of the pulling of the waste tape 10. By also deforming a part of the main body, it is possible to suppress a rapid increase in the tensile force at the beginning of pulling the waste tape 10, thereby preventing the extension portion of the waste tape 10 from breaking. Can be done.
  • the first tensile test for measuring the tensile load at which the extension portion 15 starts elongation, the tensile load at which the fastening portion 18 starts extension, and the like will be described.
  • the fixing portion 12 and the extending portion 15 constituting the disposal tape 10 and the extension portion 15 and the fastening portion 18 of the fastening portions 18 are removed from the disposal tape 10 and the test piece is taken.
  • the tensile test was conducted individually.
  • As the test piece used for the tensile test a test piece having the same configuration as that of the extension portion 15 and the fastening portion 18 may be prepared and used instead of being collected from the waste tape 10.
  • both ends of the waste tape 10 in the long side direction X1 are gripped by the upper and lower chucks of the tensile tester for each of the extension portion 15 and the fastening portion 18, and the chucks are separated from each other (vertical direction). ), A tensile load (normal stress) was applied, and the elongation (vertical strain) of each of the extension portion 15 and the fastening portion 18 was measured.
  • the expansion speed (tensile speed) of the distance between the chucks was set to 300 mm / min.
  • the length (initial length) of the sample existing between the chucks when gripped by the upper and lower chucks is set to 10 mm, and the distance between the chucks (tensile distance) increases for each of the extension portion 15 and the fastening portion 18.
  • the changing tensile load was measured.
  • the tensile load at which the extension of each portion is started is the load at the measured first maximum point.
  • the first extremum is the first extremum that appears in the measured tensile load curve. If the first extremum was not clearly known or was not observed, the maximum load during elongation between 10% and 50% elongation was considered to be the first extremum strength.
  • the diaper 1 to which the disposal tape 10 is attached to the outer surface 5A of the main body portion is placed at the position of the widthwise center line C1 (see FIG. 1) extending in the long side direction X1 of the disposal tape 10.
  • the right half and the left half of the diaper 1 were in contact with each other so that the positions of the left and right side seal portions 7 overlap each other on the skin facing surface side of the diaper. Make it a state.
  • the diaper 1 is placed at a position where the upper edge of the lower chuck 81 and the positions of the left and right side seal portions 7 coincide with each other.
  • the left and right side seals are gripped so that the surfaces facing each other on the skin are pressed against each other.
  • the position of the connection portion 11 between the widthwise central axis C8 of the lower chuck 81 and the extension portion 15 in the fixing portion 12 of the waste tape 10 is made to match.
  • the upper chuck 82 of the tensile tester is installed in a state of being twisted 90 degrees with respect to the lower chuck 81 about the center line connecting the upper and lower chucks, and is in an expanded state. Chuck. In this state, a tensile test is performed.
  • the tensile speed is set to 10 mm / min, and the tensile tester is stopped when the measured load reaches the tensile load at which the extension portion 15 obtained from the result of the first tensile test starts to extend. After that, it is confirmed whether or not peeling has occurred between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet).
  • the outer layer sheet 55 and the inner layer sheet 56 are formed in the first region R1. It can be confirmed through the outer layer sheet from the region adjacent to the lateral direction Y of the connecting portion 11 that the peeling has occurred between the two. If it is difficult to confirm, make a notch in the outer layer sheet 55 in the region adjacent to the lateral direction Y of the connecting portion 11, and visually confirm the peeling between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet). ..
  • the disposal tape 10 is attached to the outer surface 5A of the main body portion at a position corresponding to the vertical center line CL that divides the diaper 1 into two equal parts in the horizontal direction Y. It is assumed that the pair of left and right side seal portions 7 are also parallel to the vertical center line CL that is equally divided into two in the horizontal direction Y, and are symmetrical with respect to the vertical center line CL.
  • the diaper 1 is rotated in the circumferential direction on a plane connecting the position of the disposal tape 10 and the position facing the position in the circumferential direction of the diaper 1.
  • the two parts are divided into two parts, and the inner surfaces of the two parts are brought into contact with each other and gripped by a chuck of a tensile tester, and the same vertical tensile test is performed.
  • the upper edge of the lower chuck 81 is aligned with the center position of the fixed diaper 1 in the height direction.
  • the outer layer sheet 55 and the inner layer sheet 56 which is the inner sheet may not be originally joined, but are shown in FIGS. 6 (a) and 6 (b).
  • the waste tape 10 is weakly bonded so as to be peeled off when the extension portion 15 is pulled with a force weaker than the tensile load at which the extension starts.
  • a gap is gradually developed as the peeling between the sheets progresses immediately after the start of pulling the waste tape 10. Since the amount of work (energy) associated with the peeling between the sheets is gradually consumed in this process, the effect of pulling the waste tape 10 without force until the stretched portion 15 starts stretching is further promoted. Can be done.
  • the bonding strength between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) in the first region R1 is the outer layer sheet 55 in the second region R2. It is preferably lower than the bonding strength between the inner layer sheet 56 (inner sheet) and the inner layer sheet 56 (inner sheet).
  • the joint strength between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) in the first region R1 and the second region R2 is measured as follows. First, the area including the portion of the diaper 1 to which the disposal tape 10 is attached is peeled off together with the outer layer sheet 55 and the inner layer sheet 56 (inner sheet). Next, the excess outer layer sheet 55 and inner layer sheet 56 (inner sheet) are cut off along the long side of the waste tape 10. Then, the bonding strength between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) is measured by a T-type peeling test. The direction of peeling is along the long side direction of the waste tape 10. As for the joint strength, the maximum value of the maximum point strength in each region of the first region R1 and the second region R2 is taken as a measured value in each region.
  • the bonding strength between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) in the first region R1 is the bonding strength between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) in the second region R2. It is preferably 90% or less, more preferably 75% or less, preferably 0% or more, more preferably 25% or more, and preferably 0% or more and 90% or less, more preferably. It is 25% or more and 75% or less. In addition, it suppresses a rapid increase in the tensile load immediately after the start of tensioning of the waste tape, and prevents damage to the outer surface 5A and the outer layer sheet constituting the outer surface 5A due to the provision of the cushioning structure for disposal.
  • the bonding strength between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) in the second region R2 is the tension at which the stretched portion 15 starts to stretch.
  • it is preferably 110% or more, more preferably 125% or more, preferably 200% or less, more preferably 150% or less, and preferably 110% or more and 200% or less, more preferably. It is 125% or more and 150% or less.
  • the length L1 from the connection portion 11 with the extension portion 15 of the fixing portion 12 to the second region R2 in the long side direction X1 of the fixing portion 12 is set.
  • the total length L of the fixing portion 12 is preferably 10% or more, more preferably 25% or more, preferably 90% or less, more preferably 75% or less, and preferably 10% or more and 90% or less. More preferably, it is 25% or more and 75% or less.
  • the main body portion 1A sandwiches the connection portion 11 with the extension portion 15 of the fixing portion 12 and holds the first region R1 and the second region R2.
  • a third region R3 having a gap forming structure having the same configuration as that in the first region R1 is provided. Also in the third region R3 on the opposite side of the first region R1, the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) are peeled off by a force weaker than the tensile load at which the extension portion 15 starts to extend.
  • the diaper 1 of the present embodiment by having the third region R3, when the extension portion 15 is pulled with a force weaker than the tensile load at which the extension starts, as shown in FIG. 6B, the outer layer sheet A triangular space having a cross-sectional shape along the long side direction X1 of the fixing portion 12 and having an apex near the connecting portion 11 is formed between the 55 and the inner layer sheet 56 (inner sheet).
  • the fixing portion 12 is between the outer layer sheet 55 and the inner layer sheet 56 (inner sheet) in the gap forming structure of the first region R1. It is joined at a plurality of weakly bonded portions arranged at intervals in the long side direction X1. In each of the plurality of weakly bonded portions, the outer layer sheet 55 and the inner layer sheet 56 are joined in direct contact with each other via an adhesive applied to one or both of the outer layer sheet 55 and the inner layer sheet 56. Alternatively, the outer layer sheet 55 and the inner sheet 56 may be bonded only by an adhesive coated around the elastic member 54.
  • the outer layer sheet 55 and the inner layer sheet 56 are joined by a weak adhesive portion intermittently arranged in the long side direction X1 of the fixing portion 12, the outer layer is pulled by pulling the waste tape 10. Since the gap between the sheet 55 and the inner layer sheet 56 increases intermittently, it becomes easier for the user to recognize that the elongated portion starts to expand by the feel of a hand or the like. Further, the fact that the outer layer sheet 55 and the inner sheet 56 are joined to form a weakly bonded portion only by the adhesive applied around the elastic member 54 means that the outer layer sheet 55 in the first region R1 is formed. It is also preferable from the viewpoint of providing a clear difference between the bonding strength between the inner sheet 56 and the inner sheet 56 and the bonding strength between the outer layer sheet 55 and the inner sheet 56 in the second region R2.
  • the length L2 of the region R4 in the long side direction X1 is ,
  • the total length L of the fixed portion 12 in the long side direction X1 is preferably 3% or more, more preferably 10% or more, preferably 50% or less, more preferably 20% or less, and preferably 3%. It is 50% or more, more preferably 10% or more and 20% or less.
  • the length L2 of the region R4 is preferably 2 mm or more, more preferably 5 mm or more, preferably 30 mm or less, more preferably 10 mm or less, and preferably 2 mm or more and 30 mm or less. More preferably, it is 5 mm or more and 10 mm or less.
  • the outer layer sheet 55 and the inner layer sheet 56 are joined only by the adhesive coated around the elastic member 54 to form a weak adhesive portion, the outer layer sheet 55 and the inner layer sheet are formed.
  • a gap is formed between the outer layer sheet 55 and the inner layer sheet 56, it is preferable that the outer layer sheet 55 and the elastic member 54 or the elastic member 54 and the inner layer sheet 56 (inner sheet) are separated from each other. .. From the same viewpoint, it is more preferable that the elastic member 54 and the outer layer sheet 55 are separated from each other.
  • the elastic member 54 is preferably arranged in an extended state in a direction intersecting the long side direction X1 of the fixing portion 12.
  • the elastic member 54 is arranged in an elongated state in the portion existing in the gap forming structure in the direction intersecting the long side direction X1 of the fixing portion 12, that is, in the natural state, the outer layer sheet 55 and / or the inner layer sheet 56 (inner).
  • the inner layer sheet 56 (in the direction intersecting the long side direction X1 of the fixing portion 12 in the portion existing in the gap forming structure than the outer layer sheet 55 (in the outer layer sheet 55).
  • shrinking the inner sheet it becomes easier to develop / retain the gap forming structure.
  • the reason why the peeling between the elastic member 54 and the outer layer sheet 55 is preferable to the peeling between the elastic member 54 and the inner layer sheet 56 (inner sheet) is that the elastic member 54 and the inner layer sheet 56 (the elastic member 54 and the inner layer sheet 56) are separated.
  • the outer layer sheet 55 shrinks due to the influence of the rigidity of the waste tape 10 bonded to the opposite surface. This is because it is difficult to do so and is inferior in terms of facilitating the expression / retention of the gap forming structure.
  • the fastening portion 18 can be extended in the long side direction X1 of the waste tape.
  • the fastening portion 18 also has a fastening portion extending portion that can be extended in the long side direction X1 of the waste tape, and the tensile strength at which the fastening portion extending portion starts to expand is the extension portion. From the viewpoint that the tensile strength higher than the tensile strength at which 15 starts to stretch prevents the stretched portion 15 from breaking due to pulling the waste tape 10 and also prevents the waste tape 10 from being inadvertently stretched too much and impairing the usability. More preferred.
  • the present invention has been described above based on the preferred embodiment thereof, the present invention is not limited to the above embodiment.
  • the thickness of the outer layer sheet 55 constituting the outer surface 5A is partially increased with the pulling of the waste tape, and the buffer deformed so as to increase the space between the outer surface 5A and the inner layer sheet 56.
  • It may have a structure.
  • the first region R1 and the third region R3 may each have a void forming structure having no elastic member 54 between the outer surface 5A of the outer layer sheet 55 and the inner layer sheet 56 (inner sheet).
  • the outer surface 5A of the outer layer sheet 55 and the inner layer sheet 56 are directly bonded via an adhesive posted in a pattern such that the adhesive strength is lower than that of the second region R2.
  • the second region R2 may be bonded via an adhesive having a lower basis weight than the second region R2, or the second region R2 may be bonded with the adhesive coated on the entire surface, while the first region R1 may be bonded. May be joined with a pattern-coated adhesive.
  • the elastic member may be a band-shaped member instead of the thread-shaped member.
  • the disposal tape 10 is provided on the dorsal side B of the diaper 1, but the site where the disposal tape 10 is provided is not limited to this, and is, for example, the ventral side A or the inseam C. May be good. Further, in the above-described embodiment, the disposal tape 10 is provided at a substantially central portion in the lateral direction Y of the diaper 1, but the portion where the disposal tape 10 is provided is not limited to this, and for example, either the left or right side of the diaper 1 is provided. It may be provided in the side area of.
  • the disposal tape 10 is provided so that its long side direction X1 coincides with the longitudinal direction X of the diaper 1, but the orientation of the disposal tape 10 is not limited to this, for example, for disposal.
  • the tape 10 may be provided so that its long side direction X1 coincides with the lateral direction Y of the diaper 1.
  • the pants-type wearing article of the present invention is not limited to the pants-type disposable diaper of the form shown in FIG. 1, and has other forms as long as it is worn and used on the lower abdomen of the wearer. May be good.
  • a pants-type disposable diaper having a waist opening and a pair of leg openings, and having a ventral portion arranged on the ventral side of the wearer and a dorsal portion arranged on the dorsal side in the wearing state.
  • a disposal tape for maintaining the disposal form of the disposable diaper is provided on the outer surface of the main body portion of the disposable diaper.
  • a fixing portion fixed to the outer surface of the main body portion, an extension portion, and a fastening portion are arranged in this order along the long side direction of the disposal tape. It is provided on the outer surface of the main body of the article in a folded state.
  • the discarded tapes in the folded state are joined so that the surfaces facing each other in the thickness direction can be peeled off from each other.
  • the stretched portion can be stretched in the long side direction of the waste tape.
  • the main body portion has an outer surface to which the fixing portion is fixed and an inner sheet located on the skin facing surface side of the outer layer sheet forming the outer surface.
  • the main body portion has a first region and a second region in a portion overlapping the fixing portion. The first region is located on the side of the connection portion with the extension portion in the long side direction of the fixing portion, and the disposal tape is fixed to the disposal tape which has been released from the folded state.
  • the second region is a pants-type disposable diaper that is located on the side opposite to the connection portion side in the long side direction of the fixed portion and is a region in which the amount of increase in the distance is smaller than that of the first region.
  • the length from the end portion of the fixed portion on the extension portion side to the second region is 10% or more and 90% or less of the total length of the fixed portion.
  • Pants type disposable diaper described in. ⁇ 3> As the cushioning structure in the first region, when the disposable tape that has been released from the folded state is pulled in a direction perpendicular to the outer surface with a force weaker than the tensile load at which the stretched portion starts stretching. In ⁇ 1> or ⁇ 2>, which has a gap forming structure that creates a gap between the outer layer sheet and the inner sheet, and the second region does not have the gap forming structure.
  • the described pants-type disposable diaper is described in ⁇ 3>.
  • the outer layer sheet and the inner sheet are not joined or are peeled off when the elongated portion is pulled with a force weaker than the tensile load at which the elongation starts.
  • the pants-type disposable diaper according to ⁇ 3> above which is provided with a weakly bonded portion.
  • the bonding strength between the outer layer sheet and the inner sheet in the gap forming structure is lower than the bonding strength between the outer layer sheet and the inner sheet in the second region, said ⁇ 3> or ⁇ .
  • the outer layer sheet and the inner sheet in the gap forming structure of the first region are joined by a plurality of weakly bonded portions arranged at intervals in the long side direction of the fixed portion.
  • ⁇ 7> A plurality of joint portions between the joint portion for joining the outer layer sheet and the inner sheet in the gap forming structure and the joint portion for joining the outer layer sheet and the inner sheet in the second region.
  • the pants-type disposable diaper according to ⁇ 6> wherein there is a region in which the outer layer sheet and the inner sheet are not joined, which is wider than the distance between the weakly bonded portions.
  • the main body portion is provided with the gap forming structure on the side opposite to the side having the first region and the second region, sandwiching the connection portion with the extension portion in the fixing portion.
  • the pants-type disposable diaper according to any one of 3> to ⁇ 10>.
  • the fastening portion also has a fastening portion extending portion that can be extended in the long side direction of the disposable tape, and the tensile strength at which the fastening portion extending portion starts to extend is such that the extending portion extends.
  • the pants-type disposable diaper according to any one of ⁇ 1> to ⁇ 11>, which has a higher tensile strength than the starting tensile strength.
  • the pants-type disposable according to any one of ⁇ 1> to ⁇ 12>, wherein the folded state of the waste tape is a tri-folded state in which the fixing portion, the extending portion, and the fastening portion are each folded. Diapers. ⁇ 14> Described in any one of ⁇ 1> to ⁇ 12>, wherein the folded state of the disposable tape is a two-folded state in which the fixing portion, the extending portion, and the fastening portion are folded back at one place.
  • Pants-type disposable diapers ⁇ 15>
  • the inner sheet, together with the outer layer sheet, is an inner layer sheet that forms an outer body of a diaper.
  • the bonding strength between the outer layer sheet and the inner layer sheet in the first region is 90% or less, preferably 75% or less of the bonding strength between the outer layer sheet and the inner layer sheet in the second region.
  • the pants-type disposable diaper according to any one of ⁇ 1> to ⁇ 14>.
  • the bonding strength between the outer layer sheet and the inner layer sheet in the first region is 0% or more and 90% or less, preferably 90% or less, of the bonding strength between the outer layer sheet and the inner layer sheet in the second region.
  • the inner sheet, together with the outer layer sheet, is an inner layer sheet that forms an outer body of a diaper.
  • the bonding strength between the outer layer sheet and the inner layer sheet in the second region is 110% or more and 200% or less, more preferably 125% or more and 150% with respect to the tensile load at which the elongated portion starts to extend.
  • the pants-type disposable diaper according to any one of ⁇ 1> to ⁇ 16> described below.
  • the length from the connection portion with the extension portion of the fixing portion to the second region is 10% or more and 90% or less, preferably 25% or more and 75% or less of the total length of the fixing portion.
  • the present invention it is possible to suppress breakage due to excessive stretching of the disposal tape without impairing operability at the time of disposal, and it is possible to prevent damage to the outer layer sheet.

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)

Abstract

Dans la présente invention, une partie d'extension de bande jetable peut être étendue dans une direction du grand côté de la bande jetable lorsque la couche jetable de type culotte est dans un état déplié dans lequel un état plié est annulé ; une partie de corps principal de couche comprend une surface externe (5A) à laquelle une partie fixe de bande jetable (12) est fixée, une feuille interne (56) située plus loin sur un côté de surface faisant face à la peau que la surface externe, et comprend une première région (R1) et une seconde région (R2) situées dans des positions chevauchant la partie fixe (12) ; la première région (R1) est située du côté d'une partie de liaison (11) de la partie fixe (12) à relier à la partie d'extension (15) et comprend une structure tampon qui est déformée de manière à augmenter une distance entre la surface externe (5A) et la feuille de couche interne (56) lorsque la bande jetable pour laquelle un état plié a été annulé est tirée dans une direction perpendiculaire à la surface externe (5A) ; et la seconde région (R2) est située à l'opposé du côté de la partie de liaison (11) de la partie fixe (12) et a un degré d'augmentation de la distance décrite ci-dessus plus faible que la première région (R1).
PCT/JP2021/028566 2020-08-06 2021-08-02 Couche jetable de type culotte WO2022030432A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202180057318.1A CN116133627A (zh) 2020-08-06 2021-08-02 短裤型一次性尿布

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2020-134249 2020-08-06
JP2020134249 2020-08-06
JP2021052192A JP7064035B2 (ja) 2020-08-06 2021-03-25 パンツ型使い捨ておむつ
JP2021-052192 2021-03-25

Publications (1)

Publication Number Publication Date
WO2022030432A1 true WO2022030432A1 (fr) 2022-02-10

Family

ID=80117988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/028566 WO2022030432A1 (fr) 2020-08-06 2021-08-02 Couche jetable de type culotte

Country Status (2)

Country Link
CN (1) CN116133627A (fr)
WO (1) WO2022030432A1 (fr)

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001046436A (ja) * 1999-05-31 2001-02-20 Oji Paper Co Ltd パンツ型使いすておむつ
JP2013208358A (ja) * 2012-03-30 2013-10-10 Unicharm Corp 使い捨て着用物品
JP2015154796A (ja) * 2014-02-19 2015-08-27 ユニ・チャーム株式会社 使い捨て着用物品
JP2016000116A (ja) * 2014-06-12 2016-01-07 ユニ・チャーム株式会社 使い捨て着用物品
JP2019170730A (ja) * 2018-03-28 2019-10-10 大王製紙株式会社 パンツタイプ使い捨て着用物品
JP2019205540A (ja) * 2018-05-28 2019-12-05 花王株式会社 パンツ型使い捨ておむつ
JP6768877B1 (ja) * 2019-04-26 2020-10-14 ユニ・チャーム株式会社 吸収性物品
JP3228325U (ja) * 2020-07-08 2020-10-22 花王株式会社 吸収性物品
JP6878671B1 (ja) * 2020-12-14 2021-06-02 ユニ・チャーム株式会社 吸収性物品

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001046436A (ja) * 1999-05-31 2001-02-20 Oji Paper Co Ltd パンツ型使いすておむつ
JP2013208358A (ja) * 2012-03-30 2013-10-10 Unicharm Corp 使い捨て着用物品
JP2015154796A (ja) * 2014-02-19 2015-08-27 ユニ・チャーム株式会社 使い捨て着用物品
JP2016000116A (ja) * 2014-06-12 2016-01-07 ユニ・チャーム株式会社 使い捨て着用物品
JP2019170730A (ja) * 2018-03-28 2019-10-10 大王製紙株式会社 パンツタイプ使い捨て着用物品
JP2019205540A (ja) * 2018-05-28 2019-12-05 花王株式会社 パンツ型使い捨ておむつ
JP6768877B1 (ja) * 2019-04-26 2020-10-14 ユニ・チャーム株式会社 吸収性物品
JP3228325U (ja) * 2020-07-08 2020-10-22 花王株式会社 吸収性物品
JP6878671B1 (ja) * 2020-12-14 2021-06-02 ユニ・チャーム株式会社 吸収性物品

Also Published As

Publication number Publication date
CN116133627A (zh) 2023-05-16

Similar Documents

Publication Publication Date Title
JP5568369B2 (ja) パンツ型吸収性物品
KR20140041389A (ko) 일회용 기저귀 및 그 제조 방법
JP7007989B2 (ja) パンツ型使い捨ておむつ
JP6748336B1 (ja) 吸収性物品
KR102539552B1 (ko) 전방 또는 후방 개방 측면-폐쇄형 흡수 용품
JP6924295B2 (ja) パンツ型使い捨ておむつ
JP7106211B2 (ja) パンツ型使い捨ておむつ
JP7064035B2 (ja) パンツ型使い捨ておむつ
WO2022030432A1 (fr) Couche jetable de type culotte
WO2014073648A1 (fr) Couche jetable
JP5859867B2 (ja) 使い捨ておむつ
KR102547007B1 (ko) 전방 또는 후방 개방 측면-폐쇄형 흡수 용품
JP7315432B2 (ja) 吸収性物品
JP3211442U (ja) パンツ型の着用物品
JP7022179B1 (ja) 吸収性物品
JP6436771B2 (ja) 使い捨ての着用物品
JP7274296B2 (ja) パンツ型使い捨ておむつ
JP6316707B2 (ja) パンツ型吸収性物品
WO2022070793A1 (fr) Article absorbant de type culotte
JP3210618U (ja) パンツ型吸収性物品
JP2022057987A (ja) パンツ型使い捨ておむつ
WO2023022000A1 (fr) Article absorbant de type sous-vêtement
JP6453146B2 (ja) 使い捨て着用物品
JP2022034436A (ja) パンツ型使い捨ておむつ
JP2023005911A (ja) パンツ型吸収性物品

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21852684

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 21852684

Country of ref document: EP

Kind code of ref document: A1