WO2014192982A1 - 吸収性物品 - Google Patents

吸収性物品 Download PDF

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Publication number
WO2014192982A1
WO2014192982A1 PCT/JP2014/067885 JP2014067885W WO2014192982A1 WO 2014192982 A1 WO2014192982 A1 WO 2014192982A1 JP 2014067885 W JP2014067885 W JP 2014067885W WO 2014192982 A1 WO2014192982 A1 WO 2014192982A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent
absorbent article
elastic member
skin side
region
Prior art date
Application number
PCT/JP2014/067885
Other languages
English (en)
French (fr)
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 BR112015027658-0A priority Critical patent/BR112015027658B1/pt
Priority to CN201480028600.7A priority patent/CN105208987B/zh
Publication of WO2014192982A1 publication Critical patent/WO2014192982A1/ja
Priority to PH12015502457A priority patent/PH12015502457A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F13/8405—Additives, e.g. for odour, disinfectant or pH control
    • 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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin
    • A61F13/51496—Backsheet, i.e. the impermeable cover or layer furthest from the skin having visual effects
    • 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
    • A61F13/84—Accessories, not otherwise provided for, for absorbent pads
    • A61F2013/8497—Accessories, not otherwise provided for, for absorbent pads having decorations or indicia means

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 end portions 10ea and 10eb in the direction are covered and fixed to the corresponding nearest band members 30a and 30b from the non-skin side of the absorbent main body 10, whereby the appearance of the unfolded diaper 1 is viewed in plan view. It is substantially H-shaped.
  • the longitudinal direction of the absorptive main body 10 is along the longitudinal direction of the diaper 1, and each strip member 30a, 30b is extended and arrange
  • the direction perpendicular to both the vertical direction and the horizontal direction is the thickness direction of the diaper 1.
  • the portions 30ac and 30bc to which the end portions 10ea and 10eb of the absorbent main body 10 are fixed are the central portions 30ac and 30bc in the lateral direction of the band members 30a and 30b.
  • 30bc is provided with illustration sheets 40, 40 such as a picture of an animal (not shown) so as to be visible from the non-skin side of the diaper 1.
  • the illustration sheets 40, 40 of the central portions 30ac, 30bc are contracted in the lateral direction to cause wrinkles, and the illustration sheets 40 40 becomes difficult to see. Therefore, among the plurality of elastic members 35s1, 35s2,... Provided on the belt members 30a, 30b, the elastic members 35s2, 35s2,... Traversing the illustration sheet 40 in the lateral direction are divided at the position of the illustration sheet 40. 1B, the elastic member crossing the illustration sheet 40 is not substantially present, or the elastic member (not shown) crossing the illustration sheet 40 is cut into a discontinuous state.
  • Such anxiety is considered to be reduced by looking at the elastic members 35s1, 35s1,... That are not cut, that is, the elastic members 35s1, 35s1,. .
  • the nonwoven fabric is generally used for the back sheet member 15 that forms the non-skin side surface of the absorbent main body 10 and each of the band members 30a and 30b, the color is often white, and generally the elastic member 35s1, Since the rubber thread is used even in the case of 35 s 2..., The color is often white, that is, they are often the same color. Therefore, the elastic members 35s1, 35s2,... Are hardly visible like the protective color, and as a result, the consumer is difficult to notice the presence of the elastic members 35s1, 35s1,. The anxiety about the fit of the diaper 1 may not be wiped out.
  • the present invention has been made in view of the conventional problems as described above, and its purpose is to suppress the occurrence of wrinkles in the second colored portion such as an illustration sheet provided in the central portion in the lateral direction of the belt member.
  • the second colored portion is easily visible, and the state in which the elastic member contributing to the fit is continuously provided along the lateral direction is easily visible.
  • the main invention for achieving the above object is: An absorbent article having a longitudinal direction and a transverse direction intersecting the longitudinal direction, An absorptive body provided along the longitudinal direction and absorbing urine; A ventral belt member provided along the lateral direction, wherein the longitudinal central portion is fixed to the one end while covering the longitudinal end of the absorbent body from the non-skin side of the absorbent body; , It is provided along the lateral direction as a separate member from the ventral belt member, and covers the other end in the longitudinal direction of the absorbent main body from the non-skin side of the absorbent main body at the other end in the lateral direction.
  • a dorsal belt member to which the central part of the A first colored portion provided on the absorbent main body so as to be visible from the non-skin side of the absorbent article; A second colored portion provided so as to be visible from the non-skin side of the absorbent article at the central portion of at least one of the ventral belt member or the back belt member;
  • the belt member is divided into a plurality of belt-shaped regions along the horizontal direction and the plurality of regions arranged in the vertical direction, and one of the plurality of regions is defined as a first region.
  • an elastic member is continuously arranged from one end to the other end in the lateral direction in the first region,
  • the second colored portion is provided in the central portion in the lateral direction of the second region, and an elastic member is not disposed in the central portion, or is not continuous in the lateral direction.
  • An elastic member is disposed on the An elastic member is provided from one end portion in the lateral direction in each portion so as to give the lateral stretchability to each portion located on both sides in the lateral direction of the central portion in the second region. It is arranged continuously over the other end, When the elastic member in the first region is viewed from the non-skin side of the absorbent article, the elastic member is overlapped with the first colored portion of the absorbent main body. is there.
  • the second colored portion such as an illustration sheet provided in the central portion in the lateral direction of the belt member
  • the second colored portion is easily visible and contributes to fit. It becomes easy to visually recognize the state in which the elastic member is continuously provided along the lateral direction.
  • FIG. 5A is a sectional view taken along line AA and CC in FIG. 3
  • 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.
  • ventral abdominal band member 30a at the time of seeing from the non-skin side of the diaper 1.
  • ventral side belt member 30a showing another example of the elastic member 35D arranged discontinuously in the central part ADc of the lower region AD, and the non-skin side nonwoven fabric 31 in the belt member 30a is removed. It is a figure of a state.
  • An absorbent article having a longitudinal direction and a transverse direction intersecting the longitudinal direction, An absorptive body provided along the longitudinal direction and absorbing urine;
  • a ventral belt member provided along the lateral direction, wherein the longitudinal central portion is fixed to the one end while covering the longitudinal end of the absorbent body from the non-skin side of the absorbent body; , It is provided along the lateral direction as a separate member from the ventral belt member, and covers the other end in the longitudinal direction of the absorbent main body from the non-skin side of the absorbent main body at the other end in the lateral direction.
  • a dorsal belt member to which the central part of the A first colored portion provided on the absorbent main body so as to be visible from the non-skin side of the absorbent article; A second colored portion provided so as to be visible from the non-skin side of the absorbent article at the central portion of at least one of the ventral belt member or the back belt member;
  • the belt member is divided into a plurality of belt-shaped regions along the horizontal direction and the plurality of regions arranged in the vertical direction, and one of the plurality of regions is defined as a first region.
  • an elastic member is continuously arranged from one end to the other end in the lateral direction in the first region,
  • the second colored portion is provided in the central portion in the lateral direction of the second region, and an elastic member is not disposed in the central portion, or is not continuous in the lateral direction.
  • An elastic member is disposed on the An elastic member is provided from one end portion in the lateral direction in each portion so as to give the lateral stretchability to each portion located on both sides in the lateral direction of the central portion in the second region. It is arranged continuously over the other end, When the elastic member in the first region is viewed from the non-skin side of the absorbent article, the elastic member is overlapped with the first colored portion of the absorbent main body. is there.
  • the 2nd coloring part is provided in the center part of the 2nd field of a belt member, an elastic member is not arranged in the center part, or it is elastic.
  • the members are arranged discontinuously. Therefore, since the stretchability in the central part is reduced, the occurrence of wrinkles in the second colored part such as an illustration is suppressed, and the second colored part becomes easy to see.
  • an elastic member is provided over substantially the entire length in the lateral direction, the first colored portion is provided in the absorbent main body, and the first colored portion is The elastic members in the first region overlap. Therefore, the elastic member can be seen from the non-skin side of the absorbent article with the first colored portion as the background of the elastic member, and as a result, the state in which the elastic member is continuously provided in the lateral direction is visually recognized. It becomes easy to do.
  • the first colored portion is provided on the absorbent main body, and the second colored portion is provided on the band member. Therefore, it is possible to easily set the first colored portion so that the first colored portion has a portion that does not overlap with the second colored portion, and thus, the first colored portion overlaps with the second colored portion.
  • the elastic member in the first region can be easily set in a portion that does not become necessary. That is, the elastic member in the first region can be arranged so as not to overlap the second colored portion. Therefore, wrinkles due to the elastic member in the first region can be effectively prevented from occurring in the second colored portion, which also contributes to improving the visibility of the second colored portion.
  • the first colored portion is provided in a portion of the absorbent main body facing the ventral belt member, It is desirable that the elastic member of the first region that overlaps the first coloring portion is provided on the ventral belt member.
  • the consumer who has seen the ventral belt member can see the elastic member in the first region from the non-skin side of the absorbent article against the first colored portion. It becomes easy to visually recognize the state in which the elastic member is continuous in the lateral direction.
  • the first colored portion is provided in a portion of the absorbent main body facing the back band member, It is desirable that the elastic member in the first region overlapping the first colored portion is provided on the back band member.
  • the consumer who has seen the back side band member can see the elastic member in the first region from the non-skin side of the absorbent article against the first colored portion. It becomes easy to visually recognize the state in which the elastic member is continuous in the lateral direction.
  • the first colored portion is preferably provided in a continuous belt shape along the lateral direction.
  • the first colored portion is provided in a continuous belt shape along the lateral direction, the first colored portion is effectively used as the background of the elastic member in the first region. As a result, it becomes easy to visually recognize the state in which the elastic member is continuous in the lateral direction.
  • An elastic member is disposed discontinuously in the lateral direction at the central portion in the lateral direction in the second region, The elastic members arranged discontinuously are present at both lateral ends of the central portion, and are not present at the lateral central portion of the central portion. Is desirable.
  • the color of the first colored portion and the color of the elastic member in the first region are preferably different from each other.
  • the consumer can surely see the elastic member in the first region from the non-skin side of the absorbent article against the background of the first colored portion. It becomes easy to visually recognize the state continuous in the direction.
  • the absorbent main body includes an absorbent core formed by laminating a liquid absorbent material, a liquid-impermeable leak-proof sheet that covers the absorbent core from the non-skin side of the absorbent core, and the leak-proof sheet.
  • An exterior sheet covering from the non-skin side of the leak-proof sheet, The first colored portion is provided on the surface facing the non-skin side in the leak-proof sheet, When the exterior sheet is viewed from the non-skin side of the absorbent article, the exterior sheet is provided so that the first colored portion is visible through the exterior sheet,
  • the color of the exterior sheet and the color of the elastic member in the first region are preferably the same.
  • the color of the exterior sheet and the color of the elastic member in the first region are the same. Therefore, when the exterior sheet is viewed from the non-skin side of the absorbent article, it becomes difficult to distinguish between the exterior sheet and the elastic member.
  • the color of the first colored portion and the color of the elastic member Are different from each other. Therefore, when the first colored portion is seen through the exterior sheet, the first colored portion can function reliably as the background of the elastic member, and as a result, the elastic member is continuous in the lateral direction. It becomes easy to visually recognize the state.
  • Such an absorbent article When viewing the first colored portion from the non-skin side of the absorbent article, the first colored portion has a portion that does not overlap the second colored portion; When the first colored portion is viewed from the non-skin side of the absorbent article, the elastic member in the first region overlaps a portion of the first colored portion that does not overlap the second colored portion. It is desirable.
  • the elastic member in the first region overlaps a portion of the first colored portion that does not overlap with the second colored portion. Therefore, it is possible to effectively prevent wrinkles caused by the elastic member from occurring in the second colored portion, and as a result, the second colored portion can be more easily seen.
  • the absorbent body includes an absorbent core formed by laminating a liquid absorbent material, a liquid-permeable surface sheet that covers the absorbent core from the skin side of the absorbent core, and the absorbent core.
  • the longitudinal end of the absorbent body has a portion where the absorbent core is not present, It is desirable that the first colored portion is provided in a portion where the absorbent core does not exist.
  • the first colored portion provided so that the elastic member in the first region overlaps is provided in a portion where the absorbent core does not exist in the absorbent main body. Therefore, wrinkles generated in the absorbent core due to the elastic member are effectively prevented, and the skin side surface of the absorbent core can be maintained substantially flat. As a result, liquid absorption inhibition of the absorbent core can be prevented. it can.
  • 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 absorbent main body 10 is folded in half with the substantially central portion C10 in the longitudinal direction as the folding position, and the band members 30a, 30b facing each other in the folded state are
  • the belt members 30a and 30be are connected to each other at the end portions 30ae and 30be (that is, the end portions 30ae and 30be in the lateral direction)
  • the belt 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 the 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 end portion in the lateral direction of the top sheet member 13, while the leg-hole gathers LG are the leg-hole openings 1 HL and 1 HL 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 sufficiently larger than the leak-proof sheet 15a. That is, the exterior sheet 15b is made of the leak-proof sheet 15a. It protrudes laterally from both lateral sides.
  • 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 in a two-ply manner, and the band members 30 a and 30 b are respectively central portions in the lateral direction.
  • 30ac and 30bc while covering the longitudinal ends 10ea and 10eb of the absorbent main body 10 from the non-skin side of the absorbent main body 10, the central portions 30ac and 30b of the band members 30a and 30b are covered with the respective end portions 10ea and 10eb.
  • 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. However, you may do this. In this case, as shown in FIG. 6, in the non-skin side nonwoven fabric 31, the portion 31 f protruding from the skin side nonwoven fabric 32 in the longitudinal direction is the longitudinal end 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 central portions 30ac and 30bc of the band members 30a and 30b described above does not overlap the vertical end portions 30ae2 and 30be2 of the band members 30a and 30b.
  • the absorbent main body 10 is overlapped with the portions 30ac2 and 30bc2 on the center side in the vertical direction with respect to the end portions 30ae2 and 30be2.
  • 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.
  • the 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. Further, in this example, the longitudinal sizes La and Lb of the portions 30ae2 and 30be2 where the absorbent main body 10 does not overlap are larger in the back band member 30b than in the ventral band member 30a (Lb> La), that is, as a whole, the absorbent main body 10 is arranged more biased toward the ventral band member 30a than the back band member 30b.
  • a plurality of elastic members 35 such as rubber thread, are provided along the lateral direction between the two nonwoven fabrics 31 and 32 relating to the band members 30a and 30b. 35 ... are inserted and fixed to the non-woven fabrics 31 and 32 while being stretched in the lateral direction, whereby the belt members 30a and 30b are given stretchability in the lateral direction.
  • the plurality of elastic members 35, 35... are provided side by side in the vertical direction with an interval in the vertical direction.
  • These elastic members 35, 35... are provided on both the abdominal band member 30a and the back band member 30b, respectively, but the detailed specifications such as the thickness and number of the elastic members 35, 35.
  • the basic configuration is generally the same as each other.
  • the elastic members 35, 35 of the ventral band member 30a will be described on behalf of the elastic members 35, 35 of the ventral band member 30a and the back band member 30b.
  • dorsal band member 30b is also shown using the same code
  • the illustration sheet 40 and the coloring part 50 which will be described later, are also given the same reference numerals as the illustration sheet 40 and the coloring part 50, etc. of the ventral band member 30a, and the illustration sheet 40, the coloring part 50, etc. related to the dorsal band member 30b, etc. The description of is omitted.
  • the belt member 30a is divided into three regions AU, AM, AD in the vertical direction, and each of the three regions AU, AM, AD arranged in the vertical direction.
  • the ADs are referred to as “upper region AU”, “middle region AM”, and “lower region AD” from the vertical end to the center.
  • each of the areas AU, AM, AD is a band-like area along the horizontal direction.
  • the upper region AU is a part constituting the waist opening 1HB of the diaper 1, and the region AU is a region where the absorbent main body 10 is not overlapped at all 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. Therefore, the upper region AU is provided with a lateral stretchability over substantially the entire length in the lateral direction based on the elastic member 35U (35), and this stretchability is the stretch of the waist opening 1HB of the diaper 1. It becomes sex.
  • the middle region AM (corresponding to the first region) 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. Note that the absorbent main body 10 is not superimposed on the portions AMe and AMe located on both sides of the central portion AMc in the middle region AM.
  • the elastic member 35M (35) extends in the lateral direction while being continuously disposed over substantially the entire length from one end to the other end in the lateral direction in the region AM. It is fixed with. And thereby, the elasticity of the horizontal direction is provided to the middle area AM over the substantially entire length in the horizontal direction based on the elastic member 35M (35). Moreover, in the part which opposes the said center area
  • the lower region AD (corresponding to the second region) is a region where the portion 10p of the absorbent main body 10 where the absorbent core 11 is present is overlapped and fixed to the lateral central portion ADc.
  • the absorbent main body 10 is not superimposed on the portions ADe and ADe located on both sides of the central portion ADc.
  • the elastic member 35D (35) is arranged in the lateral direction while being continuously arranged over substantially the entire length from one end portion to the other end portion in the lateral direction in the portion ADe. It is fixed under extension. Thereby, the stretchability in the lateral direction is given to each of the portions ADe, ADe over substantially the entire length in the lateral direction.
  • the elastic member 35D (35) is discontinuously arranged in the lateral direction in the central portion ADc. Specifically, in this example, the end portions of the elastic member 35D (35) are located at both end portions ADce and ADce in the lateral direction of the central portion ADc.
  • the elastic member 35D (35) does not exist in the central portion ADcc in the horizontal direction. Therefore, in the central portion ADc, the elastic member 35D (35) is disposed discontinuously in the horizontal direction.
  • the elastic member 35D (35) is not present in the central portion ADcc of the central portion ADc as described above, the central portion ADcc is hardly provided with stretchability. Shrinkage is suppressed.
  • an illustration sheet 40 (corresponding to a second colored portion) on which an illustration (not shown) such as an animal is formed is provided in the central portion ADc of the lower region AD. For the same reason, the generation of wrinkles in the illustration sheet 40 is also suppressed. Therefore, the illustration becomes easy to see.
  • the band member 30a is formed by overlapping two nonwoven fabrics 31 and 32, and the illustration sheet 40 is between the two nonwoven fabrics 31 and 32 stacked.
  • the band member 30a is inserted and fixed with an adhesive or the like, it is not limited to this.
  • it may be fixed to the non-skin side surface of the band member 30a without being inserted, and may be further fixed to the skin side surface of the band member 30a.
  • the illustration of the illustration sheet 40 is the non-skin-side non-woven fabric 31 (
  • the non-woven fabric 31 (32) can be seen through the inter-fiber gap 32), and the illustration can be visually recognized from the non-skin side in the thickness direction through the non-woven fabric 31 (32).
  • resin films such as a polyethylene film or a polypropylene film
  • the diaper 1 in the example of FIG. 5A also has a white sheet on the exterior sheet 15b and the leak-proof sheet 15a of the back sheet member 15 forming the non-skin side of the absorbent body 10.
  • a nonwoven fabric and a white film are used, white nonwoven fabrics 31 and 32 are used for the band member 30a, and white thread rubber is used for the elastic member 35 (35U, 35M). Therefore, the elastic member 35 (35U, 35M) in the upper region AU and the middle region AM of the belt member 30a in FIG. 4 is difficult to be visually recognized like a protective color, and the consumer is difficult to notice the presence.
  • the elastic member 35 ⁇ / b> M is used to make the elastic member 35 ⁇ / b> M (35) of the middle region AM (FIG. 4) of the band member 30 a easily visible from the non-skin side of the diaper 1.
  • the colored portion 50 corresponding to the middle region AM is colored by coloring the portion corresponding to the middle region AM with a color other than white. Is forming.
  • the colored portion 50 can be shown as a background of the elastic member 35M (35) located in the middle region AM (see, for example, FIG. 7), and as a result, the elastic member 35M in the middle region AM.
  • the visibility of (35) is improved. The details will be described below.
  • FIG. 7 is a schematic enlarged view of the ventral belt member 30a when viewed from the non-skin side of the diaper 1.
  • the coloring part 50 (equivalent to a 1st coloring part) is the non-skin side surface of the leak-proof sheet 15a which concerns on the back surface sheet member 15 which the absorptive main body 10 comprises. Is provided in a portion facing the middle region AM (see the hatched portion in FIG. 7). Therefore, as shown in FIG. 7, when the elastic member 35 ⁇ / b> M (35) of the middle region AM is viewed from the non-skin side of the diaper 1, the elastic member 35 ⁇ / b> M is attached to the colored portion 50 (hatched portion in FIG. 7). Looks like they overlap.
  • the elastic member 35M can be viewed from the non-skin side of the diaper 1 while using the colored portion 50 as the background of the elastic member 35M. As a result, the elastic member 35M is continuously provided in the lateral direction. It becomes easy to visually recognize the state of being.
  • the colored portion 50 is formed in a strip shape along the lateral direction. Specifically, the colored portion 50 is formed in a strip shape having a length extending over the entire length in the lateral direction of the leak-proof sheet 15a (FIG. 5A). Further, as shown in FIG. It is said to be AM. Therefore, the visibility is improved with respect to all (three in FIG. 7) elastic members 35M, 35M, and 35M located in the middle region AM. Further, as can be seen from the above, in the example of FIG. 5A, the colored portion 50 is provided continuously over the entire length in the horizontal direction of the leak-proof sheet 15a, so that the elastic member 35M is continuous in the horizontal direction. It is possible to make the state of being visible with certainty. However, the colored portion 50 only needs to be the background of at least one elastic member 35M among the elastic members 35M, 35M... Located in the middle region AM. It may be smaller than the plane size, i.e., may be within the middle area AM.
  • the sheet member positioned on the non-skin side in the thickness direction with respect to the leakage preventing sheet 15a provided with the colored portion 50 is the exterior sheet 15b of the back sheet member 15 of the absorbent main body 10.
  • the belt member 30a, both of the exterior sheet 15b and the belt member 30a are made of nonwoven fabric. Therefore, about the coloring part 50 of the leak-proof sheet 15a, it can be visually recognized at least from the non-skin side of the diaper 1 in a shape that allows the exterior sheet 15b and the band member 30a to pass through, thereby coloring the leak-proof sheet 15a.
  • the part 50 can function effectively as a background of the elastic member 35M.
  • the illustration sheet 40 is provided in the lower area AD of the band member 30a, that is, not provided in the middle area AM. Therefore, it is effectively avoided that the illustration sheet 40 overlaps the colored portion 50 when viewed from the non-skin side of the diaper 1, and as a result, it is also effective to make it difficult to visually recognize the colored portion 50 from the non-skin side. It is prevented.
  • the form in which the illustration sheet 40 is not provided in the middle region AM and the coloring portion 50 is provided in the middle region AM as described above can be rephrased as follows. That is, it can be said that “when viewed from the non-skin side of the diaper 1, the colored portion 50 has a portion 50 n that does not overlap the illustration sheet 40”. In this case, when viewed from the same non-skin side, the elastic member 35M in the middle region AM overlaps the portion 50n of the colored portion 50 that does not overlap the illustration sheet 40. Therefore, it is possible to effectively prevent the illustration sheet 40 from being wrinkled due to the elastic member 35M provided over substantially the entire length in the lateral direction. It can be made easier to see.
  • each color of the exterior sheet 15b and the leak-proof sheet 15a forming the back sheet member 15 of the absorbent main body 10, the elastic member 35 (35U, 35M, 35D), and the belt member 30a (30b) is all.
  • the color of the colored portion 50 is blue, but the present invention is not limited to this.
  • red or green may be used, or colors other than these may be selected. That is, any color other than white may be selected.
  • coloring is performed according to the combination of these colors.
  • the color of the part 50 is appropriately selected. That is, the color of the coloring portion 50 is selected so that the elastic member 35M (35) is conspicuous when the elastic member 35M (35) is viewed from the non-skin side of the diaper 1.
  • the color of the coloring part 50 may be set to a color different from both the colors of the elastic member 35M (35) and the leak-proof sheet 15a, or the elastic member 35M (35), the leak-proof sheet 15a, and the exterior sheet.
  • the color of the colored portion 50 may be set to a color different from the three colors 15b.
  • the definition of the same color here is as follows. First, as a premise, it is assumed here that all colors can be expressed by combinations of values selected from 0 ° to 360 ° for lightness, hue, and saturation. Then, with respect to the two colors to be determined whether or not they are the same color, the brightness, hue, and saturation values are compared with each other, and as a result of the comparison, the brightness, hue , And saturation values are within the range of ⁇ 5 ° of each other's color values, they are considered to be “same color” and are one of the lightness, hue, and saturation values. However, if it is not within the range of ⁇ 5 °, it is regarded as “different colors”.
  • the colored portion 50 is formed by directly coloring the non-skin side surface of the leak-proof sheet 15 a, but is not limited thereto.
  • the colored part 50 may be provided by joining another colored sheet to the leak-proof sheet 15a.
  • the colored portion 50 may be formed on the exterior sheet 15b instead of the leak-proof sheet 15a.
  • seat 15a can be used. That is, the colored portion 50 may be formed by directly coloring the non-skin side surface of the exterior sheet 15b, or the colored portion 50 may be formed by joining another colored sheet to the exterior sheet 15b. good.
  • the colored portion 50 is provided in a portion of the absorbent main body 10 that faces the middle region AM. That is, as shown in FIG. 7, the absorbent main body 10 is provided in the portion 10 n where the absorbent core 11 does not exist.
  • an elastic member 35M (35) that is continuous in the lateral direction to make the colored portion 50 stand out is also provided in the middle region AM. And this elastic member 35M (35) shrinks the absorptive main body 10 in the lateral direction.
  • the central region AM provided with the elastic member 35M (35) is absorbent. It is a portion 10 n of the main body 10 where the absorbent core 11 does not exist.
  • the colored part 50 as an example of a 1st colored part is provided in the part which opposes the middle area
  • elastic member 35M (35) located in middle part area AM of back side belt member 30b, ie, elastic member 35M (disposed continuously over the full length of the transverse direction of middle part AM) ( 35) can be surely seen by the consumer, and this can alleviate the consumer's anxiety that the diaper 1 will be displaced downward after a stool.
  • the elastic member 35D (35) of the central portion ADc is used for the purpose of reducing the stretchability of the central portion ADc in the lateral direction of the lower region AD where the illustration sheet 40 is provided in the belt member 30a (30b). It was discontinuous. As an example of this discontinuous elastic member 35D, as shown in FIG. 7, elastic members 35M (35) are present at both ends ADce and ADce in the lateral direction of the central portion ADc. The configuration in which the elastic member 35D (35) is not present is illustrated in the lateral central portion ADcc of the central portion ADc, but is not limited thereto.
  • FIG. 8 is a schematic plan view for explaining an example thereof.
  • the non-skin side non-woven fabric 31 of the belt member 30a is removed, and the elastic member 35 (35U, 35M, 35D) is exposed to the outside.
  • the elastic member 35D located at the central portion ADcc is in a state of being finely divided. And if it is in this finely cut state, elastic member 35D will no longer give stretchability to central portion ADcc.
  • the length of the elastic member 35D in a finely cut 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 member 35D is cut into pieces, the appearance deteriorates. Therefore, it is desirable that the elastic member 35D is not present in the central portion ADcc (FIG. 7).
  • the elastic member 35D (35) is discontinuously arranged in the central portion ADc in the lateral direction in the lower region AD of FIG. 4, but this is not a limitation.
  • the elastic member 35D (35) may not be disposed in the center portion ADc. That is, in the example of FIG. 4 described above, the end portion of the elastic member 35D (35) is applied to the center portion ADc at the position of each end portion ADce, ADce in the horizontal direction.
  • the elastic member 35D (35) The end portion of the central portion ADc may not be located at the position of the end portion ADce of the central portion ADc.
  • the strip-shaped colored portion 50 extending in the horizontal direction is provided on the leak-proof sheet 15a as an example of the first colored portion 50, but the shape of the colored portion 50 is not limited to this.
  • a horizontal stripe shape in which a plurality of linear portions along the horizontal direction are arranged in the vertical direction may be used, or a vertical stripe shape in which a plurality of linear portions along the vertical direction are arranged in the horizontal direction may be used.
  • it may be an oblique stripe shape in which a plurality of straight portions facing the direction between the vertical direction and the horizontal direction are arranged.
  • it may be other than such a geometric pattern, for example, a character, a picture, a symbol, or the like.
  • a coloring method to the leak-proof sheet 15a for forming the coloring part 50 printing methods, such as flexographic printing, inkjet printing, and screen printing, can be illustrated.
  • 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. That is, if the coloring part 50 of the leak-proof sheet 15a is visible from the non-skin side of the diaper 1 in a form that allows the exterior sheet 15b and the band members 30a and 30b to pass through, a material other than the nonwoven fabric can be used without any problem. .
  • 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.
  • illustrations (not shown) of animals and the like are formed on the illustration sheet 40, but the illustrations are not limited to illustrations of animals and the like.
  • it may be a picture other than an animal, a letter or a symbol, or a pattern. That is, as long as the design of the diaper 1 can be improved, it may be formed on the illustration sheet 40.
  • the pattern formation on the illustration sheet 40 can also be performed by the printing method described above.
  • the rubber thread is exemplified as the elastic member 35 (35U, 35M, 35D), but the invention is not limited thereto.
  • a belt-like rubber may be used as the elastic member 35, a belt-like non-woven fabric having elasticity or a belt-like resin film having elasticity.

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)
  • Dermatology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2014/067885 2013-07-23 2014-07-04 吸収性物品 WO2014192982A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112015027658-0A BR112015027658B1 (pt) 2013-07-23 2014-07-04 Artigo absorvente
CN201480028600.7A CN105208987B (zh) 2013-07-23 2014-07-04 吸收性物品
PH12015502457A PH12015502457A1 (en) 2013-07-23 2015-10-23 Absorbent article

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-152517 2013-07-23
JP2013152517A JP5745576B2 (ja) 2013-07-23 2013-07-23 吸収性物品

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WO2014192982A1 true WO2014192982A1 (ja) 2014-12-04

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CN (1) CN105208987B (zh)
BR (1) BR112015027658B1 (zh)
MY (1) MY156170A (zh)
PH (1) PH12015502457A1 (zh)
TW (1) TWI632896B (zh)
WO (1) WO2014192982A1 (zh)

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CN108697555A (zh) * 2016-01-28 2018-10-23 大王制纸株式会社 短裤型一次性尿布及其制造方法
CN113316439A (zh) * 2019-03-18 2021-08-27 大王制纸株式会社 伸缩部件和具有该伸缩部件的一次性穿着物品

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JP6220923B1 (ja) * 2016-06-03 2017-10-25 花王株式会社 吸収性物品
JP6659661B2 (ja) * 2017-12-28 2020-03-04 ユニ・チャーム株式会社 吸収性物品
CN114376799B (zh) * 2018-04-03 2023-03-10 尤妮佳股份有限公司 短裤型一次性尿布
CN112118815A (zh) * 2018-05-18 2020-12-22 尤妮佳股份有限公司 吸收性物品

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JP2010082133A (ja) * 2008-09-30 2010-04-15 Daio Paper Corp トランクス型紙おむつ
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JP2005046227A (ja) * 2003-07-30 2005-02-24 Crecia Corp 使い捨ておむつ
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CN113316439B (zh) * 2019-03-18 2022-10-04 大王制纸株式会社 伸缩部件和具有该伸缩部件的一次性穿着物品

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PH12015502457B1 (en) 2016-02-22
CN105208987B (zh) 2017-04-05
BR112015027658B1 (pt) 2022-04-12
JP2015020005A (ja) 2015-02-02
TWI632896B (zh) 2018-08-21
MY156170A (en) 2016-01-15
JP5745576B2 (ja) 2015-07-08
BR112015027658A2 (zh) 2017-08-29
TW201529053A (zh) 2015-08-01
PH12015502457A1 (en) 2016-02-22
CN105208987A (zh) 2015-12-30

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