WO2014192981A1 - Article absorbant - Google Patents

Article absorbant Download PDF

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Publication number
WO2014192981A1
WO2014192981A1 PCT/JP2014/067884 JP2014067884W WO2014192981A1 WO 2014192981 A1 WO2014192981 A1 WO 2014192981A1 JP 2014067884 W JP2014067884 W JP 2014067884W WO 2014192981 A1 WO2014192981 A1 WO 2014192981A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic member
ventral
lateral direction
absorbent
main body
Prior art date
Application number
PCT/JP2014/067884
Other languages
English (en)
Japanese (ja)
Inventor
京太 齋藤
サリニー フィチェットキットジャワット
ナッタカーン ブンロッド
ジラパ チャンチャルーン
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
Priority to BR112015027050-6A priority Critical patent/BR112015027050B1/pt
Priority to CN201480030061.0A priority patent/CN105246440B/zh
Publication of WO2014192981A1 publication Critical patent/WO2014192981A1/fr
Priority to PH12015502299A priority patent/PH12015502299A1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • 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
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region

Definitions

  • the present invention relates to an absorbent article that absorbs urine such as disposable diapers.
  • FIG. 1A is a schematic perspective view of a diaper 1 in a worn state
  • FIG. 1B is a schematic plan view of the diaper 1 developed from a portion 1s, 1s that contacts the wearer's flank and viewed from the non-skin side.
  • FIG. The three-piece diaper 1 is roughly divided into three parts. That is, the diaper 1 has an absorbent main body 10 that is applied to the wearer's crotch and absorbs urine as a first part, and a ventral belt member 30a that covers the abdomen of the wearer as a second part.
  • the back part belt member 30b which covers a wearer's back side part as a 3rd part. Then, in the state where the abdominal band member 30a and the back band member 30b are arranged in parallel with a space between each other, the absorbent main body 10 is stretched between them, while the longitudinal length of the absorbent main body 10 is increased.
  • the direction end portions 10ea and 10eb are fixed to the corresponding nearest band members 30a and 30b, respectively, so that the appearance of the unfolded diaper 1 has a substantially H shape in plan view.
  • the absorbent main body 10 includes an absorbent core 11 formed by laminating a liquid absorbent material such as pulp fiber, a liquid-permeable surface sheet member 13 provided so as to cover the core 11 from the skin side, and the core 11. And a liquid-impermeable back sheet member 15 provided so as to cover from the non-skin side.
  • the longitudinal direction of the absorptive main body 10 is along the vertical direction of the diaper 1, and each strip
  • the direction perpendicular to both the vertical direction and the horizontal direction is the thickness direction of the diaper 1.
  • a plurality of elastic members 35s1, 35s2,..., Such as rubber thread, are joined and fixed along the same direction while being stretched in the lateral direction. Is provided with a contraction force in the lateral direction.
  • the portions 30ac and 30bc to which the end portions 10ea and 10eb of the absorbent main body 10 are fixed in the band members 30a and 30b are the center portions 30ac and 30bc in the lateral direction.
  • the portion of the absorbent main body 10 where the absorbent core 11 is present is contracted in the lateral direction to cause wrinkles.
  • the area which opposes a wearer's skin among the skin side surfaces of the absorptive main body 10 will reduce, the absorptivity of urine will fall, or it will go along a wrinkle and an absorptive main body 10 makes it easy to leak urine. Therefore, among the plurality of elastic members 35 s 1, 35 s 2... Provided on the band members 30 a and 30 b, the elastic members 35 s 2, 35 s 2...
  • the absorbent main body 10 so as to be biased toward the ventral band member 30a rather than the dorsal band member 30b. In this way, since the absorptive capacity of the abdomen is relatively larger than that of the dorsal side, the absorptive main body 10 has a shortage of the absorptive capacity. Therefore, it can be absorbed quickly and reliably.
  • the abdominal portion 10a of the absorbent main body 10 takes the initiative to absorb urine, and thus after absorption of urine, the abdominal portion 10a. May become heavy and may promote the sagging of the portion 10a. And when drooping greatly, a big clearance gap will arise between the absorptive main body 10 and the crotch etc., As a result, there exists a possibility that urine may leak from the diaper 1.
  • FIG. 1C the abdominal portion 10a of the absorbent main body 10 takes the initiative to absorb urine, and thus after absorption of urine, the abdominal portion 10a. May become heavy and may promote the sagging of the portion 10a. And when drooping greatly, a big clearance gap will arise between the absorptive main body 10 and the crotch etc., As a result, there exists a possibility that urine may leak from the diaper 1.
  • FIG. 1C the abdominal portion 10a of the absorbent main body 10 takes the initiative to absorb urine, and thus after absorption of urine, the abdominal portion 10a. May become heavy and may
  • the present invention has been made in view of the conventional problems as described above, and the object thereof is to make it possible to partially reduce the contraction force in both the abdominal band member and the dorsal band member, and to absorb the main body. It is intended to improve the absorbability of urine and to suppress drooping of the abdomen portion due to the weight of the abdomen portion of the absorbent main body after absorbing urine.
  • the main invention for achieving the above object is: An absorptive body that is provided along the longitudinal direction and absorbs urine; A ventral belt member provided along a transverse direction intersecting with the longitudinal direction, and overlapped and fixed to one end of the absorbent main body in the longitudinal direction; A backside belt member that is provided along the lateral direction as a separate member from the ventral sideband member, and is overlapped and fixed to the other end in the longitudinal direction of the absorbent main body, One waistline opening and two leghole openings are formed by connecting each lateral end of the ventral belt member and each lateral end of the dorsal belt member.
  • the vertical size of the overlapping portion on which the absorbent main body is overlapped is the vertical size of the overlapping portion on the back band member on which the absorbent main body is overlapped. It is larger than the size,
  • the abdominal band member is continuously disposed from one end to the other end in the lateral direction of the abdominal band member so as to apply the lateral contraction force to the ventral band member.
  • the dorsal belt member is continuously arranged from one end to the other end in the lateral direction of the dorsal belt member so as to apply the lateral contraction force to the dorsal belt member.
  • the sum of the magnitudes of contraction forces of the dorsal continuous elastic member related to the dorsal side belt member is larger than the sum of magnitudes of contraction forces of the ventral side continuous elastic members related to the ventral side band member.
  • the contraction force can be partially reduced in both the abdominal band member and the dorsal band member, the urine absorbability of the absorbent main body can be improved, and the absorptivity after absorbing urine.
  • the drooping of the abdomen portion due to the weight of the abdomen portion of the main body can be suppressed.
  • FIG. 5A is a sectional view taken along line AA and CC in FIG. 3, and FIG.
  • FIG. 5B is a sectional view taken along line BB in FIG.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 3.
  • It is the schematic of the state which the infant as a wearer wears the same diaper.
  • It is a schematic enlarged view of the ventral
  • It is a schematic enlarged view of the ventral
  • FIG. It is the schematic which shows the connection state of the ventral
  • FIG. It is a schematic enlarged view of the ventral
  • FIG. It is a schematic plan view of the ventral side band member 30a showing another example of the elastic member 35na discontinuously arranged in the lower region AD, and is a diagram in a state in which the non-skin side nonwoven fabric 31 of the band member 30a is removed. is there.
  • An absorptive body that is provided along the longitudinal direction and absorbs urine;
  • a ventral belt member provided along a transverse direction intersecting with the longitudinal direction, and overlapped and fixed to one end of the absorbent main body in the longitudinal direction;
  • a backside belt member that is provided along the lateral direction as a separate member from the ventral sideband member, and is overlapped and fixed to the other end in the longitudinal direction of the absorbent main body,
  • One waistline opening and two leghole openings are formed by connecting each lateral end of the ventral belt member and each lateral end of the dorsal belt member.
  • the vertical size of the overlapping portion on which the absorbent main body is overlapped is the vertical size of the overlapping portion on the back band member on which the absorbent main body is overlapped. It is larger than the size,
  • the abdominal band member is continuously disposed from one end to the other end in the lateral direction of the abdominal band member so as to apply the lateral contraction force to the ventral band member.
  • the dorsal belt member is continuously arranged from one end to the other end in the lateral direction of the dorsal belt member so as to apply the lateral contraction force to the dorsal belt member.
  • the sum of the magnitudes of contraction forces of the dorsal continuous elastic member related to the dorsal side belt member is larger than the sum of magnitudes of contraction forces of the ventral side continuous elastic members related to the ventral side band member.
  • the abdominal band member since the abdominal band member has the abdominal discontinuous elastic members arranged discontinuously in the lateral direction, the lateral contractive force applied to the abdominal band member is reduced. Can be partially alleviated.
  • the back side belt member also has a back side discontinuous elastic member arranged discontinuously in the lateral direction, so that the lateral contraction force applied to the back side belt member can be partially reduced. it can.
  • the vertical size of the overlapped portion which is the portion where the absorbent main body is overlapped among the band members, is larger in the ventral band member than in the back band member. And thereby, the absorptive main body is arrange
  • the sum of the contraction forces of the dorsal continuous elastic member related to the dorsal belt member is made larger than the sum of the contraction forces of the ventral continuous elastic member related to the ventral band member. Therefore, a phenomenon that can occur after absorption of urine when the absorbent main body is arranged toward the ventral band member rather than the back band member as described above, that is, the ventral side of the absorbent main body after absorbing urine The drooping phenomenon due to the weight of the portion can be suppressed.
  • the contraction force of the dorsal continuous elastic member which is superior in the sum, is applied to the ventral part of the absorbent main body as a pulling force toward the dorsal side via the ventral band member. Acting, thereby pulling up the ventral part toward the back (for example, diagonally upward). Therefore, the drooping of the part of the abdominal side in the absorptive main body after absorbing urine can be suppressed.
  • the ventral belt member has a protruding portion that protrudes in the lateral direction from the overlapping portion in the lateral direction.
  • the abdomen non-continuous elastic member includes a side elastic member continuously provided in one of the protruding portions in the lateral direction, and the one side while being continuously provided in the lateral direction of the other protruding portion.
  • a side elastic member provided at a distance in the lateral direction between the side elastic member and the side elastic member of the projecting portion,
  • the overlapping portion is set in the central portion in the lateral direction of the back side band member, so that the back side band member has a protruding portion protruding in the lateral direction from the overlapping portion in the lateral direction.
  • the back-side discontinuous elastic member includes a side elastic member continuously provided in one lateral direction in the one protruding portion, and the one side while being continuously provided in the lateral direction in the other protruding portion.
  • a side elastic member provided at a distance in the lateral direction between the side elastic member and the side elastic member of the projecting portion It is desirable that the total contraction force of the side elastic member of the protruding portion of the ventral band member is larger than the total contraction force of the side elastic member of the protruding portion of the back band member.
  • the total contraction force of the side elastic member at the protruding portion of the ventral side band member is larger than the total contraction force of the side elastic member at the protruding portion of the back side band member. Therefore, the part of the abdominal side of the absorbent main body is pulled from both sides in the lateral direction with a larger force than the back part. Therefore, the part of the abdominal side in the absorbent main body is quickly spread in the lateral direction, and the skin side surface tends to be substantially flat. As a result, the area facing the skin can be increased in the portion on the ventral side where urine is discharged, and as a result, the absorbability of urine can be increased.
  • the side elastic member disposed on the protruding portion of the ventral belt member is extended to the lateral center side, and an end of the extended portion is formed in the lateral direction of the absorbent main body. It is desirable to be joined to the end.
  • the side elastic member disposed at the protruding portion of the ventral belt member is extended to the position of the lateral end of the absorbent main body, and is joined to the same end. ing. Therefore, the contraction force of the side elastic member can be reliably applied to the ventral portion of the absorbent main body from both lateral sides. Therefore, the abdominal part of the absorbent main body can be reliably pulled to both sides in the lateral direction, and the skin side surface of the abdominal part can be surely made substantially flat.
  • the absorbent body includes an absorbent core formed by laminating a liquid absorbent material, a liquid-permeable surface sheet member provided to cover the absorbent core from the skin side, and the absorbent core on the non-skin side.
  • the end portion of the side elastic member of the ventral side belt member is located at the lateral end portion of the absorbent core. Therefore, the contractive force of the side elastic member can be reliably transmitted to the abdominal side portion of the absorbent core that forms the main part of the absorbent main body, and thereby, the abdominal side of the core with a large contractile force. Can be reliably pulled by the lateral sides. As a result, the skin side surface of the abdominal side of the absorbent main body can be more reliably substantially flattened, and the urine absorbability can be further increased.
  • the absorbent body includes an absorbent core formed by laminating a liquid absorbent material, a liquid-permeable surface sheet member provided to cover the absorbent core from the skin side, and the absorbent core on the non-skin side.
  • a liquid-impermeable back sheet member provided to cover from The side elastic member disposed at the protruding portion of the back band member is extended to the lateral center, and the end of the extended portion is absorbed by the absorbent main body. It is desirable to be fixed to the portion on the end side in the lateral direction from the sex core.
  • the end portion of the side elastic member of the back band member is fixed to the end portion in the lateral direction of the absorbent main body with respect to the absorbent core. Therefore, the contraction force of the side elastic member is difficult to be transmitted to the absorbent core that forms the main part of the absorbent main body, whereby the back side portion of the absorbent main body is from the wearer's buttocks. The separation is allowed. Therefore, it becomes easy to form the space which accommodates the excreted stool between the wearer's buttocks and the surface sheet member after the excretion of the wearer.
  • Each lateral end of the absorbent main body is fixed to the ventral belt member via a joint, It is preferable that the end portion is pulled toward the projecting portion by the contraction force of the side elastic member of the projecting portion acting on the end portion via the joint portion.
  • each lateral end of the absorbent main body is pulled toward the abdominal band member by the large contraction force of the side elastic member of the protruding portion of the abdominal band member. And thereby, the part of the abdominal side of the absorptive main body will be pulled up, and as a result, the drooping of the part of the abdominal side which became heavy by absorbing urine can be suppressed.
  • Such an absorbent article When the longitudinal size of the dorsal belt member is larger than the longitudinal size of the ventral belt member, the dorsal belt member protrudes toward the leg opening rather than the ventral belt member. And has a protruding part Among the plurality of side elastic members positioned at the protruding portion of the ventral side band member, the contraction force of the side elastic member closest to the leg opening is applied to the protruding portion of the back side band member. It is desirable that the contraction force of the side elastic member at a position closest to the leg opening is larger than the plurality of side elastic members positioned.
  • the contraction force of the side elastic member closest to the leg opening is the plurality of side elastic members related to the back side band member. It is larger than the contraction force of the side elastic member at the position closest to the leg opening among the side elastic members. Therefore, the protruding portion of the dorsal band member functioning as a hip cover is quickly pulled toward the ventral side by the contraction force of the side elastic member of the ventral band member, and the protruding portion is quickly moved to the ventral side. Can be spread. Therefore, the protruding portion can be effectively functioned as a butt cover.
  • the contraction force of the dorsal continuous elastic member at a position closest to the leg opening in the vertical direction is the vertical direction among the plurality of ventral continuous elastic members. It is preferable that the contraction force of the ventral continuous elastic member closest to the leg opening is greater than the contraction force.
  • the sum of the contracting forces of the plurality of dorsal continuous elastic members of the dorsal side band member is used to reduce the contraction of the plurality of continuous elastic members of the ventral side band member.
  • the sum of the forces is made larger, thereby raising the ventral part of the absorbent main body toward the back side.
  • the contribution rate of this lifting action is applied to all back side continuous elastic members. It is not uniform across, and similarly, not uniform across all ventral continuous elastic members.
  • the continuous elastic member most related to the lifting action is the back continuous elastic member, which is the back continuous elastic member at the position closest to the leg opening in the vertical direction in the back band member
  • the side continuous elastic member is a ventral continuous elastic member at a position closest to the leg opening in the vertical direction in the ventral band member. Therefore, if the contraction force of the back side continuous elastic member at the position closest to the leg opening is larger than the contraction force of the ventral continuous elastic member at the position closest to the leg opening, the absorptivity is more effectively absorbed.
  • the abdomen portion of the main body can be pulled up to the back side, and as a result, the drooping of the abdomen portion can be more effectively suppressed.
  • the ventral belt member has a sheet-like member as a base material, and the ventral continuous elastic member and the ventral discontinuous elastic member are provided for the sheet-like member
  • the back side belt member has a sheet-like member as a base material, and the back-side continuous elastic member and the back-side discontinuous elastic member are provided for the sheet-like member,
  • the sum of the magnitude of the contraction force of the ventral continuous elastic member is when the sheet-like member is expanded until the sheet-like member has a natural length in the lateral direction, and the stretched state is 100%.
  • the sum of the magnitudes of the contraction force of the back-side continuous elastic member means that when the sheet-like member is expanded until the sheet-like member has a natural length in the lateral direction, the stretched state is 100%. It is desirable that it is the sum total of the magnitudes of the lateral contraction forces generated in the back continuous elastic member in the 70% stretched state.
  • the large contractive force of the back side continuous elastic member can be reliably applied to the abdominal side portion of the absorbent main body via the abdominal side band member.
  • the side part can be reliably pulled up toward the dorsal side. Therefore, the drooping of the abdominal part in the absorptive main body that can occur after absorption of urine can be reliably suppressed.
  • FIG. 2 is a schematic perspective view of a three-piece type disposable diaper 1 as an example of the absorbent article of the present embodiment.
  • FIG. 3 is a schematic plan view of the unfolded diaper 1 as viewed from the skin side
  • FIG. 4 is a schematic perspective view of the diaper 1 as viewed from the non-skin side.
  • 5A is a cross-sectional view taken along line AA and CC in FIG. 3
  • FIG. 5B is a cross-sectional view taken along line BB in FIG.
  • the diaper 1 has a vertical direction, a horizontal direction, and a thickness direction as three directions orthogonal to each other. Moreover, since the diaper 1 is a so-called three-piece type, it has three parts 10, 30a, 30b. That is, this diaper 1 has an absorbent main body 10 that is applied to the wearer's crotch portion and absorbs urine as a first component, and a ventral belt member that covers the ventral portion of the wearer as a second component. 30a, and the back part belt member 30b which covers the back side part of the same wearer as the third part. In the deployed state of FIG.
  • the abdomen side band member 30a and the back side band member 30b are arranged in parallel with a space between each other, while the absorbent main body 10 is stretched between them.
  • End portions 10ea and 10eb in the longitudinal direction of the absorbent main body 10 are bonded and fixed to the nearest belt members 30a and 30b, respectively, and the external shape thereof is substantially H-shaped in plan view.
  • the band members 30a, 30b facing each other in this folded state are worn by the wearer.
  • the band members 30a and 30b When connected at the portions 30ae and 30be to be in contact with the flank (that is, the respective end portions 30ae and 30be in the lateral direction), the band members 30a and 30b are connected in an annular shape, and as shown in FIG. It becomes the diaper 1 of the wearing condition in which such a trunk periphery opening 1HB and a pair of leg periphery opening 1HL and 1HL were formed.
  • connection structures are employable as a connection structure that connects the above-described band members 30a and 30b.
  • a non-removable connection structure such as welding
  • the pant-type diaper 1 can be formed.
  • a detachable connection structure such as a fastening tape member (not shown)
  • an open type diaper 1 can be used.
  • the former connection structure is used, and thus the diaper 1 is a pants type.
  • the longitudinal direction, the lateral direction, and the thickness direction of the diaper 1 are simply referred to as “vertical direction”, “lateral direction”, and “thickness direction”, respectively.
  • the side in contact with the wearer is also referred to as “skin side”, and the opposite side is also referred to as “non-skin side”.
  • the absorbent main body 10 includes an absorbent core 11 formed by molding a pulp fiber as an example of a liquid absorbent fiber into a substantially hourglass shape in a plan view as an example of a predetermined shape, A top sheet member 13 that covers the absorbent core 11 from the skin side of the core 11, and a back sheet member 15 that covers the absorbent core 11 from the non-skin side of the core 11 and forms the exterior of the absorbent main body 10. Yes.
  • this absorptive core 11 may contain, for example, a superabsorbent polymer as a liquid absorptive granule, or includes a liquid absorptive material other than a liquid absorptive fiber and a liquid absorptive granule. May be.
  • the absorptive core 11 may be coat
  • the top sheet member 13 is, for example, a liquid-permeable nonwoven fabric having a larger planar size than the absorbent core 11.
  • the back sheet member 15 is also a sheet having a larger plane size than the absorbent core 11, and as an example, a liquid-impermeable leak-proof sheet 15a such as polyethylene or polypropylene, and a nonwoven fabric are used.
  • the leak-proof sheet 15a of the back surface sheet member 15 and The top sheet member 13 is bonded together in a frame shape, whereby the absorbent main body 10 is generally formed.
  • so-called three-dimensional gathers LSG and leg gathers LG may be formed by the exterior sheet 15b.
  • the three-dimensional gather LSG is a leak-proof wall portion LSG provided upright at each lateral end portion of the top sheet member 13, while the leg-hole gathers LG are the leg-hole openings 1HL, 1HL of the diaper 1. It is the expansion-contraction part LG formed in.
  • the exterior sheet 15b will be described in detail. First, as shown in FIG. 5B, the lateral dimension of the exterior sheet 15b is set to be sufficiently larger than the leak-proof sheet 15a. That is, the exterior sheet 15b is a leak-proof sheet. It protrudes greatly in the lateral direction from both lateral sides of 15a.
  • the protruding portion 15bf is folded back to the lateral center with the position forming the lateral end 10es of the absorbent body 10 being the folded position, and the rubber thread along the longitudinal direction in the vicinity of the folded position.
  • An elastic member 17 such as the like is fixed under extension in the vertical direction, thereby forming the above-mentioned leg gathers LG.
  • the folded portion 15bg further extends toward the center in the lateral direction, and is joined to the end portion at a position covering the lateral end portion of the top sheet member 13.
  • the part joined to this end part functions as the base end part LSGb of the three-dimensional gather LSG, that is, the part on the tip side in the lateral direction further than the base end part LSGb serves as the free end part LSGf. 13 can stand up.
  • an elastic member 18 such as rubber thread is fixed to the front end portion of the free end portion LSGf along the vertical direction under extension. Therefore, the absorbent main body 10 bends in the vertical direction so that the surface sheet member 13 side becomes the inner peripheral side by the shrinkage in the longitudinal direction of the elastic member 18.
  • the free end portion LSGf contracts in the vertical direction and stands up from the top sheet member 13, whereby the free end portion LSGf functions as a three-dimensional gather LSG.
  • liquid permeation of tissue paper or the like as a second sheet may be provided between the top sheet member 13 and the absorbent core 11 or between the back sheet member 15 and the absorbent core 11.
  • a sex sheet may be interposed.
  • the ventral band member 30a and the dorsal band member 30b are both sheet members having a substantially rectangular shape in a plan view made of a flexible sheet such as a nonwoven fabric.
  • the band members 30 a and 30 b are formed by joining the nonwoven fabrics 31 and 32 (corresponding to sheet-like members) in two layers, and the band members 30 a and 30 b are While the longitudinal end portions 10ea and 10eb of the absorbent main body 10 are covered from the non-skin side of the absorbent main body 10 at the lateral center portions 30ac and 30bc, the band members 30a are attached to the end portions 10ea and 10eb, respectively.
  • the central portions 30ac and 30bc are overlapped and joined.
  • FIG. 6 as an explanatory diagram shows a cross-sectional view taken along the line VI-VI in FIG. 3 in the case of such a configuration. That is, in FIG. 6, the sizes in the longitudinal direction are different so that the nonwoven fabric 31 positioned on the non-skin side in the thickness direction protrudes beyond the nonwoven fabric 32 positioned on the skin side in the longitudinal direction. It is Further, in this case, as shown in FIG. 6, in the non-skin side nonwoven fabric 31, the portion 31 f protruding in the longitudinal direction from the skin side nonwoven fabric 32 is in the longitudinal direction of the skin side nonwoven fabric 32.
  • the folded portion 31g is overlapped and joined to the nonwoven fabric 32 on the skin side.
  • a part of the longitudinal end portions 10ea and 10eb of the absorbent main body 10 may be covered from the skin side of the absorbent main body 10 with the folded portion 31g.
  • the superposition of the absorbent main body 10 on the center portions 30ac and 30bc of the band members 30a and 30b described above is performed on the longitudinal end portions 30ae2 and 30be2 of the band members 30a and 30b as shown in FIG.
  • the absorbent main body 10 is overlapped on the portions 30ac2 and 30bc2 on the center side in the longitudinal direction with respect to the end portions 30ae2 and 30be2 without overlapping the absorbent main body 10.
  • the end portions 30ae2 and 30be2 in the vertical direction of the band members 30a and 30b are formed as portions 30ae2 and 30be2 where the absorbent main body 10 does not overlap at all over the entire length in the horizontal direction.
  • non-overlapping portions 30ae2 and 30be2 are portions constituting the waist opening 1HB (FIG. 2) of the diaper 1. Therefore, the elastic members 35U described later are provided in the portions 30ae2 and 30be2 in the portions 30ae2 and 30be2. It is provided continuously over substantially the entire length in the lateral direction.
  • the portions 30ap and 30bp on which the absorbent main body 10 is overlapped in the band members 30a and 30b in FIG. 3 are referred to as “overlapping portions 30ap and 30bp”.
  • the vertical size La of the overlapping portion 30ap of the ventral band member 30a is larger than the vertical size Lb of the overlapping portion 30bp of the member 30b (La> Lb). That is, as a whole, the absorbent main body 10 is arranged so as to be biased toward the ventral band member 30a rather than the back band member 30b.
  • the absorbent main body 10 may be biased toward the ventral side.
  • the urine discharged at the abdominal position can be absorbed by the absorbent main body 10 quickly and with a sufficient capacity for liquid absorption.
  • the lateral dimensions of the belt members 30a and 30b are set to be larger than the lateral dimensions of the absorbent main body 10, so that the belt members 30a and 30b can be combined with the overlapping portions 30ap and 30bp. Protrudes on both sides in the horizontal direction. That is, the band members 30a and 30b respectively have projecting portions 30aw and 30bw that project in the lateral direction from the overlapping portions 30ap and 30bp on both sides in the lateral direction.
  • a plurality of elastic members 35, 35 are provided along the lateral direction between the two nonwoven fabrics 31, 32 of the ventral belt member 30a. Are inserted and fixed to the non-woven fabrics 31 and 32 under the extension in the horizontal direction, whereby a contraction force in the horizontal direction is applied to the ventral belt member 30a.
  • the plurality of elastic members 35, 35 are provided side by side in the vertical direction with an interval in the vertical direction.
  • the ventral belt member 30a is divided into three regions AU, AM, AD in the vertical direction, and each of the three regions AU, AM arranged in the vertical direction.
  • AD are referred to as “upper region AU”, “middle region AM”, and “lower region AD” from the end in the vertical direction toward the center.
  • any of the areas AU, AM, AD is a band-like area along the horizontal direction.
  • the upper region AU is a portion constituting the waist opening 1HB of the diaper 1, and the absorbent main body 10 is completely overlapped with the region AU over the entire length in the lateral direction.
  • the elastic member 35U (35) is continuously extended over substantially the entire length from one end to the other end in the horizontal direction in the area AU, while being stretched in the horizontal direction. It is fixed. Accordingly, a lateral contraction force is applied to the upper region AU over substantially the entire length in the lateral direction based on the elastic member 35U (35), and this contraction force is contracted by the waist opening 1HB of the diaper 1. It becomes power.
  • the elastic member 35U (35) in the upper region AU functions as the “abdominal continuous elastic member 35a” according to the present invention, which will be described later.
  • the middle region AM is a region where the longitudinal end portion 10ea of the absorbent main body 10 is overlapped and fixed to the lateral central portion AMc. More precisely, a portion 10n of the absorbent main body 10 where the absorbent core 11 does not exist is overlapped and fixed to the central portion AMc of the region AM. Therefore, the central portion AMc is a portion where the absorbent main body 10 is overlaid in the middle region AM, that is, forms a part of the above-described overlapping portion 30ap. Further, the middle region AM has protrusions AMw and AMw that protrude in the lateral direction from the central portion AMc that is the overlapping portion 30ap on both sides in the lateral direction. A part of the protruding portion 30aw.
  • the elastic member 35M (35) is continuously extended over substantially the entire length from one end to the other end in the lateral direction in the region AM, while being stretched in the lateral direction. It is fixed. As a result, the contraction force in the lateral direction is applied to the middle region AM over substantially the entire length in the lateral direction based on the elastic member 35M (35).
  • the elastic member 35M (35) of the middle region AM also functions as the “abdominal continuous elastic member 35a” according to the present invention.
  • the lower region AD which will be described later, is also formed in the lateral central portion ADc. This is a region where the portion 10p of the absorbent main body 10 where the absorbent core 11 exists is overlapped and fixed.
  • the central portion ADc forms a part of the overlapping portion 30ap described above.
  • the lower region AD has projecting portions ADw and ADw projecting in the lateral direction from the central portion ADc, which is the overlapping portion 30ap, on both sides in the lateral direction. These projecting portions ADw and ADW are also described above.
  • the elastic member 35D is discontinuously arranged along the lateral direction.
  • the elastic member 35D (35) is discontinuously arranged in the center portion ADc.
  • the protrusions ADw and ADw located on both sides of the center portion ADc are elastic.
  • the member 35D (35) is fixed under extension in the lateral direction while being continuously disposed over substantially the entire length from one end to the other end in the lateral direction of the protrusion ADw. As a result, a lateral contraction force is applied to the protrusions ADw, ADw in the lower region AD.
  • the elastic member 35D (35) of the lower region AD functions as the “abdominal discontinuous elastic member 35na” according to the present invention, which will be described later.
  • the elastic members 35, 35,... Of the ventral band member 30a have been described.
  • the basic configuration of the elastic members 35, 35 except for the detailed specifications such as the thickness and number of the elastic members 35, 35, and the arrangement position in the vertical direction.
  • the elastic members 35, 35... Of the back band member 30b are substantially the same.
  • the back band member 30b also has three regions AU, AM, and AD arranged in the vertical direction. Specifically, the upper area AU, the middle area AM, and the lower area AD are arranged in this order from the end in the vertical direction toward the center. Further, any of the areas AU, AM, AD is a band-shaped area along the horizontal direction.
  • the middle region AM has a lateral center portion AMc and projecting portions AMw and AMw at respective positions on both sides of the central portion AMc in the lateral direction.
  • a part of the part 30bp is formed, and the protrusions AMw and AMw are part of the protrusions 30bw and 30bw, respectively.
  • the lower region AD has a lateral center ADc and protrusions ADw and ADw at respective positions on both sides in the lateral direction of the central portion ADc.
  • a part of the part 30bp is formed, and the protruding parts ADw and ADw are part of the above-described protruding parts 30bw and 30bw, respectively. Therefore, a detailed description of the elastic member 35 of the back band member 30b is omitted.
  • the elastic member 35U (35) in the upper area AU of the back band member 30b and the elastic member 35M (35) in the middle area AM function as the “back-side continuous elastic member 35b” according to the present invention.
  • the AD elastic member 35D (35) functions as the “back-side discontinuous elastic member 35nb” according to the present invention, which will be described later.
  • the urination position on the diaper 1 is generally located on the ventral side of the central position C1 (FIG. 3) in the vertical direction of the diaper 1. Therefore, at the time of urination, the abdominal portion 10a of the absorbent main body 10 takes the initiative to absorb urine. As described above, in the present embodiment, at this time also in the abdominal portion 10a.
  • the absorptive main body 10 is arranged so as to be biased toward the ventral band member 30a rather than the back band member 30b so that the absorbable capacity is not insufficient.
  • the abdominal portion 10a of the absorbent main body 10 may drastically sag due to the weight of the absorbed urine. That is, even when urine is absorbed evenly concentrated on the abdominal portion 10a, according to the shift arrangement of the absorbent main body 10 to the abdominal side, urine absorption is further absorbed in the abdominal portion 10a. As a result, there is a possibility of facilitating the drooping of the abdomen portion 10a. And when this sagging becomes excessive, not only the appearance is bad, but the gap between the absorbent main body 10 and the wearer's skin is greatly enlarged, which may cause a large amount of urine leakage from the gap.
  • the abdomen portion 10a of the absorbent main body 10 is pulled up to the back side mainly based on the contraction force of the predetermined elastic member 35b of the back side band member 30b.
  • the drooping of the abdomen portion 10a is suppressed.
  • the elastic members 35U and 35M provided continuously over substantially the entire length in the lateral direction with respect to each of the upper region AU and the middle region AM of the ventral belt member 30a, Both are referred to as “ventral continuous elastic member 35a”.
  • the elastic member 35D provided for the lower region AD of the ventral side band member 30a, that is, the protrusions ADw, ADw provided discontinuously at the lateral central portion ADc and located on both sides of the central portion ADc.
  • the elastic members 35 ⁇ / b> D that are continuously provided in the lateral direction are referred to as “abdominal discontinuous elastic members 35 na”.
  • the elastic members 35U and 35M provided continuously over substantially the entire length in the lateral direction with respect to each of the upper region AU and the middle region AM of the back band member 30b, Continuous elastic member 35b ", and further provided discontinuously at the central portion ADc in the lateral direction with respect to the lower region AD of the back band member 30b, and at each of the protrusions ADw and ADw located on both sides of the central portion ADc.
  • the elastic members 35D provided continuously in the lateral direction are referred to as “back-side non-continuous elastic members 35nb”.
  • FIG. 10 is a schematic view showing a connected state of the ventral belt member 30a and the back belt member 30b.
  • the upper region AU and the middle region AM of the ventral band member 30a are provided with a plurality of ventral continuous elastic members 35a, 35a,.
  • the upper region AU and the middle region AM of the back side band member 30b are substantially in the lateral direction of the back side band member 30b. It is provided over the entire length.
  • the sum of the magnitudes of the forces is set larger than the sum of the magnitudes of the contraction forces of the ventral continuous elastic members 35a, 35a.
  • the contraction force of the dorsal continuous elastic members 35b, 35b... Superior in total is absorbed as the pulling force toward the dorsal side via the ventral band member 30a.
  • This is transmitted to the abdominal portion 10a of the sex main body 10, whereby the tensile force acts to pull up the abdominal portion 10a to the back side (for example, obliquely upward).
  • the abdomen portion 10a is pulled up toward the back side against the weight of the absorbed urine, thereby suppressing the drooping of the abdomen portion 10a.
  • the “total amount of contraction force of the abdominal continuous elastic members 35a, 35a...” referred to herein means that the nonwoven fabrics 31 and 32 forming the base material of the abdominal band member 30a are naturally long (for example, slack) 100% elongation of the state in which the non-woven fabrics 31 and 32 are stretched in the lateral direction until there is no stress, and the belt member 30a is expanded in the lateral direction until the stress of the nonwoven fabrics 31 and 32 is zero) It is the sum total of the magnitude
  • the sum of the magnitudes of the contraction forces of the back-side continuous elastic members 35b, 35b Means that the nonwoven fabrics 31 and 32 forming the base material of the back-side belt member 30b have a natural length in the lateral direction.
  • the total sum of the magnitudes of the forces generated in all the dorsal continuous elastic members 35b, 35b, etc. in the extended state of 70% when the state in which the same band member 30b is expanded in the horizontal direction is made 100% extended. That is.
  • the reason why the sum of the contractile forces is the sum in the stretched state of 70% as described above is that the wearing state of the diaper 1 is generally when the unfolded state of FIG. 3 is 100%. This is because the state is contracted in the lateral direction to 70% of the state. A method for measuring the total contractile force will be described later.
  • the total sum of the contraction forces of the back side continuous elastic members 35b, 35b... Is 1.1 to 1.5 times the sum of the contraction forces of the ventral side continuous elastic members 35a, 35a. Is preferably set to an arbitrary value in the range of 1.1 to 1.3 times.
  • the contraction force of the back continuous elastic members 35b, 35b,... May be the same or different between the upper region AU and the middle region AM in FIG. It is different.
  • the contraction force of the back continuous elastic members 35b, 35b ... in the middle region AM is preferably larger than the total contraction force of the back continuous elastic members 35b, 35b ... in the upper region AU.
  • the sum should be larger. The reason is that the closer to the absorbent main body 10, the more easily the contraction force of the back continuous elastic members 35 b, 35 b... Belonging to the same region is transmitted to the abdominal part 10 a of the absorbent main body 10. This is because the pulling effect of the side portion 10a is considered to be further enhanced.
  • the number of the back side continuous elastic members 35b, 35b,... Provided in each of the upper region AU and the middle region AM may be single or plural. However, if the number is plural, the contraction force can be applied evenly over substantially the entire area AU, AM. Further, when a plurality of back-side continuous elastic members 35b, 35b,... Belong to the upper region AU and the middle region AM, respectively, between the back-side continuous elastic members 35b, 35b ... belonging to the same region AU (AM). Thus, the magnitudes of the contraction forces may be different from each other or the same. In this example, the contraction forces of all the back-side continuous elastic members 35b, 35b...
  • Belonging to the upper region AU are equal to each other, and all the back-side continuous elastic members 35b, 35b.
  • the magnitudes of the contraction forces are equal to each other. And thereby, the equalization of the contraction force in each area AU and AM is aimed at.
  • the comparison of the middle regions AM and AM of the ventral band member 30a and the dorsal band member 30b also holds the magnitude relationship of the above-mentioned sum of the magnitudes of contraction forces. That is, the back side continuous elastic members 35b, 35b belonging to the middle region AM of the back side band member 30b are larger than the sum of the contraction forces of the ventral side continuous elastic members 35a, 35a, ... belonging to the middle region AM of the ventral side belt member 30a. It is preferable that the sum of the magnitudes of the contracting forces is set to be larger.
  • the reason why it is better to realize the above magnitude relationship in the middle area AM than in the upper area AU is the same as described above. That is, the middle region AM is closer to the absorbent main body 10 than the upper region AU, and therefore, it is considered that the contractile force transmission is good.
  • one abdominal continuous elastic member 35a closest to the absorbent main body 10 in the middle region AM of the abdominal band member 30a, and the dorsal band member 30b is provided.
  • the back continuous elastic member 35b rather than the contraction force of the abdominal continuous elastic member 35a when compared with the single back continuous elastic member 35b closest to the absorbent main body 10 in the middle region AM. It should be set so that the force is greater.
  • the above settings can be rephrased as follows. That is, the contraction force of one abdominal continuous elastic member 35a closest to the leg opening 1HL in the longitudinal direction among the plurality of abdominal continuous elastic members 35a, 35a.
  • the contraction force of one back side continuous elastic member 35b closest to the leg opening 1HL in the longitudinal direction among the plurality of back side continuous elastic members 35b, 35b is set larger than the contraction force of the side continuous elastic member 35a.
  • the ventral discontinuous elastic member 35na shown in FIG. 8A is an elastic member 35na discontinuously provided along the lateral direction in the lower region AD of the ventral band member 30a.
  • the back-side discontinuous elastic member 35nb shown in FIG. 3 is an elastic member 35nb provided discontinuously in the lateral direction in the lower region AD of the back-side belt member 30b.
  • the discontinuous portions of both the abdominal discontinuous elastic member 35na and the back discontinuous elastic member 35nb are respectively set at the lateral center ADc in the lower regions AD and AD. Accordingly, at least a portion other than the central portion ADc is provided with the elastic member 35wa or the elastic member 35wb continuously along the horizontal direction.
  • the lower region AD has protrusions ADw and ADw that protrude in the lateral direction from the absorbent main body 10 at each position on both sides in the lateral direction of the central portion ADc. Yes.
  • the ventral discontinuous elastic member 35na shown in FIG. 8A is laterally continuous with the side elastic member 35wa provided laterally continuously on one protrusion ADw of the lower region AD and the other protrusion ADw.
  • the side elastic member 35wa provided in the central portion ADc with a space in the lateral direction is provided between the side elastic member 35w of the one protruding portion ADw.
  • the back-side discontinuous elastic member 35nb of FIG. 9 is also laterally connected to the side elastic member 35wb provided continuously in the lateral direction on one protrusion ADw of the lower region AD and the other protrusion ADw.
  • the liquid absorption inhibition of the absorptive main body 10 can be prevented effectively. That is, in each of the lower regions AD and AD of the ventral belt member 30a and the back belt member 30b, the lateral central portions ADc and ADc where the overlapping portions 30ap and 30bp with the absorbent main body 10 are set are respectively Of the side non-continuous elastic member 35na and the back side non-continuous elastic member 35nb, portions where no elastic member exists are associated with each other.
  • the application of the shrinkage force to the overlapping portions 30ap and 30bp as the central portions ADc and ADc is reduced, and thereby wrinkles occur in the absorbent main body 10 due to the shrinkage force of the elastic members 35na and 35nb. Is effectively prevented.
  • the skin side surface of the absorbent main body 10 can be maintained substantially flat, and liquid absorption inhibition of the absorbent main body 10 can be prevented.
  • the sum of the contracting forces of the plurality of side elastic members 35wa, 35wa ... provided on the protrusion ADw in the ventral band member 30a is the protrusion ADw in the dorsal band member 30b.
  • the abdominal part 10a in the absorptive main body 10 is pulled from both sides in the lateral direction with a greater force than the back part 10b. Therefore, the abdominal portion 10a of the absorbent main body 10 is quickly spread in the lateral direction, and the skin side surface is likely to be substantially flat.
  • the abdominal portion 10a from which urine is discharged faces the skin.
  • the area to be increased can be increased, and the absorbability of urine can be increased.
  • the number of the side elastic members 35wa provided in the protrusions ADw of the lower region AD of the ventral belt member 30a may be single or plural. However, when the number is plural, the contraction force can be applied evenly over substantially the entire area of the protrusion ADw.
  • the side elastic members 35wa and 35wa may be different in contraction force between the side elastic members 35wa and 35wa, or may be the same. In this example, the contraction forces of all the side elastic members 35wa, 35wa. And thereby, the equalization of the contraction force in protrusion part ADw is aimed at. The same applies to the side elastic member 35wb provided in the protruding portion ADw of the lower region AD of the back side band member 30b.
  • the side elastic member 35wa of the ventral band member 30a may be further extended from the protrusion ADw in the lower region AD to the center side in the lateral direction.
  • the end portion 35 wae of the portion is preferably joined to the lateral end portion 10 ew of the absorbent main body 10. And if comprised in this way, the contraction force of side part elastic member 35wa, 35wa ... can be reliably given to the abdominal part 10a in the absorptive main body 10 from the both sides of a horizontal direction. Thereby, the skin side surface of the part 10a of the abdomen can be reliably made substantially flat.
  • the extended end portion 35wae is related to the side elastic member 35wa of the ventral strip member 30a. And it is good to be located in the edge part 11ew of the horizontal direction of the absorptive core 11 among the absorptive main bodies 10.
  • the contraction force of the said side part elastic member 35wa can be reliably transmitted to the part 11a of the abdominal side of the absorptive core 11 which makes the main part of the absorptive main body 10,
  • the abdominal portion 11a of the core 11 can be reliably pulled by both sides in the lateral direction with a large contraction force, and as a result, the skin side surface of the abdominal portion 10a in the absorbent main body 10 can be more reliably flattened. can do.
  • the side elastic members 35wb, 35wb... Of the back band member 30b are also extended from the protrusion ADw in the lower region AD further to the center in the lateral direction.
  • the end portion 35 wbe of the extended portion is lateral to the absorbent core 11 in the absorbent main body 10. It is preferable to be fixed to the end side portion 10f.
  • the contraction force of the side part elastic member 35wb will become difficult to be transmitted to the absorptive core 11 which makes the main part of the absorptive main body 10, and, thereby, the back side in the absorptive main body 10
  • the part 10b is in a state in which separation from the wearer's buttocks is allowed. Therefore, after excretion of the wearer, a space for accommodating excreted stool is easily formed between the wearer's buttocks and the absorbent main body 10.
  • the back belt member 30b includes a so-called buttocks cover 30bf.
  • the vertical size L30b of the back band member 30b is larger than the vertical size L30a of the ventral band member 30a.
  • the back band member 30b has a protruding portion 30bf that protrudes toward the leg opening 1HL rather than the abdominal band member 30a, and the protruding portion 30bf covers the buttocks of the wearer. It functions as 30bf.
  • the leg opening 1HL be the most among the plurality of side elastic members 35wa, 35wa,... Located on the protruding portion 30aw of the ventral band member 30a.
  • the magnitude of the contraction force of the side elastic member 35wa at the closest position is set to the side closest to the leg opening 1HL among the plurality of side elastic members 35wb, 35wb... Located at the protruding portion 30bw of the back band member 30b. It may be set larger than the contraction force of the partial elastic member 35wb.
  • the protruding portion 30bf of the back band member 30b is quickly pulled toward the ventral side by the contraction force of the side elastic member 35wa of the ventral band member 30a, and the protruding portion 30bf can be quickly spread to the ventral side. Therefore, the protruding portion 30bf can function effectively as the buttocks cover 30bf.
  • each of the end portions 10es in the lateral direction of the absorbent main body 10 functions as a leg circumference gather LG.
  • 10es may be fixed to the lower region AD of the ventral band member 30a via a joint J (see the hatched portion in FIG. 11).
  • region AD via the junction part J and 35wa will also be in each said edge part 10es of the absorptive main body 10 As a result, the same end portion 10es is pulled toward the protruding portion ADw.
  • the abdominal side part 10a of the absorptive main body 10 will be pulled up, and as a result, the drooping of the abdominal side part 10a which has become heavy by absorbing urine can be further suppressed.
  • the said junction part J is formed with appropriate adhesives, such as a hot-melt-type adhesive agent.
  • a measurement sample is generated from the diaper 1. That is, the diaper 1 having one waistline opening 1HB and two leghole openings 1HL and 1HL as shown in FIG. 2 is connected to the portions 1s and 1s of the connection structure of the ventral belt member 30a and the back belt member 30b. It isolate
  • the absorptive main body 10 is further isolate
  • each end in the horizontal direction of the measurement sample is fixed to each corresponding head of the tensile tester, and the sample is pulled in the horizontal direction at a pulling speed of 300 mm / min.
  • the state pulled to the natural length of the nonwoven fabrics 31 and 32 constituting the sample is taken as a 100% stretched state
  • the tensile load (N) of the test machine in the stretched state of 70% is read, The reading is taken as the sum of the contraction forces described above. If this is performed for both the measurement sample for the ventral band member 30a and the measurement sample for the dorsal band member 30b, the contraction force of the ventral continuous elastic members 35a, 35a,.
  • the total sum and the total contraction force of the back side continuous elastic members 35b, 35b... In the back side band member 30b are acquired.
  • said "natural length of the nonwoven fabrics 31 and 32” means that "the abdominal continuous elastic members 35a, 35a ... and the back continuous elastic members 35b, 35b ... are not fixed to the nonwoven fabrics 31, 32".
  • the nonwoven fabric 31 and 32 are stretched in the lateral direction until there is no slack. And the length in the lateral direction when the stresses of the nonwoven fabrics 31 and 32 are zero ”.
  • the baby diaper 1 is illustrated as an example of the absorbent article, but the present invention is not limited thereto. For example, you may apply the structure which concerns on this invention with respect to the diaper 1 for adults.
  • the lower region AD is provided with a discontinuous elastic member 35na (35nb), and the discontinuous elastic member 35na (35nb) is provided with two side portions respectively disposed on the respective protrusions ADw of the lower region AD. It had elastic members 35wa and 35wa (35wb and 35wb).
  • FIG. 12 is a schematic plan view for explaining an example thereof.
  • the non-skin-side non-woven fabric 31 of the ventral belt member 30 a is removed, and the ventral continuous elastic member 35 a and the ventral discontinuous elastic member 35 na are exposed to the outside.
  • the center portion ADc of the lower region AD is in a state of being finely divided in correspondence with the position of the space between the two side elastic members 35w, 35w arranged in the lateral direction.
  • the length of the elastic member 35p in the chopped state is, for example, greater than 0 mm and not greater than 5 mm, and more desirably greater than 0 mm and not greater than 3 mm.
  • the elastic members 35p, 35p,... Chopped are present, the appearance is deteriorated. Therefore, it is desirable that the elastic members 35p, 35p,. .
  • the material of the exterior sheet 15b and the band members 30a and 30b is a nonwoven fabric, but is not limited to a nonwoven fabric.
  • a woven fabric or a sheet member other than the woven fabric may be used.
  • the exterior sheet 15b may be omitted, and in that case, the leak-proof sheet 15a forms the exterior of the absorbent main body 10.
  • the rubber thread is exemplified as the abdominal continuous elastic member 35a, the abdominal discontinuous elastic member 35na, the back continuous elastic member 35b, and the back discontinuous elastic member 35nb, but the present invention is not limited thereto.
  • a band-shaped rubber may be used as these elastic members 35a, 35na, 35b, and 35nb, a band-shaped non-woven fabric having a contracting force, or a band-shaped resin film having a contracting force may be used.
  • Diaper (absorbent article), 1HB waist opening, 1HL leg opening, 1s part, 10 Absorbent body, 10a Ventral part, 10b Dorsal part, 10ea end, 10eb end, 10es end, 10ew end, 10f part, 10n part, 10p part, 11 Absorbent core, 11a Ventral part, 11ew end, 13 Surface sheet member, 15 Back sheet member, 15a leakage prevention sheet, 15b exterior sheet, 15bf protruding part, 15bg folded part, 17 elastic member, 18 elastic member, 30a ventral band member, 30ac center part, 30ac2 part, 30ae end, 30ae2 end, 30 aee edge, 30ap overlapping part, 30aw protruding part, 30b dorsal belt member, 30be end, 30bee end edge, 30bf butt cover (protruding part), 30 bp overlapping part, 30 bw protruding part, 31 non-woven fabric (sheet-like member), 31f protru

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

Abstract

Article absorbant présentant une ouverture pour la taille et des ouvertures pour les jambes, qui comprend un corps absorbant ; une bande côté abdominal fixée de façon à chevaucher une extrémité du corps absorbant dans la direction verticale ; et une bande côté arrière fixée de manière à chevaucher l'autre extrémité du corps absorbant dans la direction verticale, la bande côté abdominal étant reliée à la bande côté arrière au niveau des deux extrémités dans la direction horizontale. La longueur dans la direction verticale d'une section de chevauchement dans laquelle la bande côté abdominal chevauche le corps absorbant est supérieure à la longueur dans la direction verticale d'une section de chevauchement dans laquelle la bande côté arrière chevauche le corps absorbant. La bande côté abdominal comporte, du côté abdominal, des éléments élastiques continus disposés de manière continue d'une extrémité à l'autre extrémité dans la direction horizontale, et des éléments élastiques discontinus disposés de manière discontinue dans la direction horizontale. La bande côté arrière comporte, du côté arrière, des éléments élastiques continus disposés de manière continue d'une extrémité à l'autre extrémité dans la direction horizontale, et des éléments élastiques discontinus disposés de manière discontinue dans la direction horizontale. La somme totale de la force de contraction des éléments élastiques continus côté arrière est supérieure à la somme totale de la force de contraction des éléments élastiques continus côté abdominal.
PCT/JP2014/067884 2013-07-23 2014-07-04 Article absorbant WO2014192981A1 (fr)

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BR112015027050-6A BR112015027050B1 (pt) 2013-07-23 2014-07-04 Artigo absorvente
CN201480030061.0A CN105246440B (zh) 2013-07-23 2014-07-04 吸收性物品
PH12015502299A PH12015502299A1 (en) 2013-07-23 2015-10-05 Absorbent article

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JP2013152528A JP5836329B2 (ja) 2013-07-23 2013-07-23 吸収性物品
JP2013-152528 2013-07-23

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016101198A1 (fr) * 2014-12-25 2016-06-30 The Procter & Gamble Company Article absorbant à ceinture élastique
WO2017085973A1 (fr) * 2015-11-20 2017-05-26 ユニ・チャーム株式会社 Article porté jetable
WO2019093509A1 (fr) * 2017-11-10 2019-05-16 ユニ・チャーム株式会社 Couche jetable
EP3646831A4 (fr) * 2017-10-12 2020-06-17 Unicharm Corporation Article absorbant

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6332534B1 (ja) * 2016-12-28 2018-05-30 王子ホールディングス株式会社 吸収性物品
JP7161873B2 (ja) * 2018-06-29 2022-10-27 ユニ・チャーム株式会社 吸収性物品
CN113679534A (zh) * 2020-05-19 2021-11-23 尤妮佳股份有限公司 吸收性物品

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010162338A (ja) * 2008-12-16 2010-07-29 Kao Corp パンツ型使い捨ておむつ
JP2010184134A (ja) * 2010-05-31 2010-08-26 Daio Paper Corp 使い捨て紙おむつ
JP2011120626A (ja) * 2009-12-08 2011-06-23 Kao Corp パンツ型吸収性物品
JP2012101063A (ja) * 2010-11-05 2012-05-31 Unicharm Corp 使い捨てオムツ
JP2013075106A (ja) * 2011-09-30 2013-04-25 Unicharm Corp 使い捨て着用物品

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040243083A1 (en) * 2003-05-27 2004-12-02 The Procter & Gamble Company Disposable pull-on garment having graphic patch
SG191322A1 (en) * 2010-12-27 2013-08-30 Kao Corp Underwear-type absorbent article

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010162338A (ja) * 2008-12-16 2010-07-29 Kao Corp パンツ型使い捨ておむつ
JP2011120626A (ja) * 2009-12-08 2011-06-23 Kao Corp パンツ型吸収性物品
JP2010184134A (ja) * 2010-05-31 2010-08-26 Daio Paper Corp 使い捨て紙おむつ
JP2012101063A (ja) * 2010-11-05 2012-05-31 Unicharm Corp 使い捨てオムツ
JP2013075106A (ja) * 2011-09-30 2013-04-25 Unicharm Corp 使い捨て着用物品

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US10398607B2 (en) 2014-12-25 2019-09-03 The Procter & Gamble Company Absorbent article having elastic belt
WO2016101198A1 (fr) * 2014-12-25 2016-06-30 The Procter & Gamble Company Article absorbant à ceinture élastique
US10888468B2 (en) 2015-11-20 2021-01-12 Unicharm Corporation Disposable wearing article
WO2017085973A1 (fr) * 2015-11-20 2017-05-26 ユニ・チャーム株式会社 Article porté jetable
JP2017093736A (ja) * 2015-11-20 2017-06-01 ユニ・チャーム株式会社 使い捨て着用物品
KR20180084826A (ko) * 2015-11-20 2018-07-25 유니챰 가부시키가이샤 일회용 착용 물품
KR102560297B1 (ko) 2015-11-20 2023-07-26 유니챰 가부시키가이샤 일회용 착용 물품
EA036650B1 (ru) * 2015-11-20 2020-12-04 Юничарм Корпорейшн Предмет одежды одноразового использования
EP3646831A4 (fr) * 2017-10-12 2020-06-17 Unicharm Corporation Article absorbant
KR20200070249A (ko) * 2017-10-12 2020-06-17 유니챰 가부시키가이샤 흡수성 물품
KR102522820B1 (ko) 2017-10-12 2023-04-17 유니챰 가부시키가이샤 흡수성 물품
CN111315333A (zh) * 2017-11-10 2020-06-19 尤妮佳股份有限公司 一次性尿布
CN111315333B (zh) * 2017-11-10 2022-09-27 尤妮佳股份有限公司 一次性尿布
JP7195266B2 (ja) 2017-11-10 2022-12-23 ユニ・チャーム株式会社 使い捨ておむつ
JPWO2019093509A1 (ja) * 2017-11-10 2020-10-01 ユニ・チャーム株式会社 使い捨ておむつ
WO2019093509A1 (fr) * 2017-11-10 2019-05-16 ユニ・チャーム株式会社 Couche jetable

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CN105246440A (zh) 2016-01-13
JP2015020006A (ja) 2015-02-02
PH12015502299B1 (en) 2016-02-10
JP5836329B2 (ja) 2015-12-24
MY162430A (en) 2017-06-15
TW201529052A (zh) 2015-08-01
CN105246440B (zh) 2017-04-05
TWI635853B (zh) 2018-09-21
PH12015502299A1 (en) 2016-02-10
BR112015027050B1 (pt) 2021-11-23

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