WO2019026529A1 - 吸収性物品 - Google Patents

吸収性物品 Download PDF

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Publication number
WO2019026529A1
WO2019026529A1 PCT/JP2018/025535 JP2018025535W WO2019026529A1 WO 2019026529 A1 WO2019026529 A1 WO 2019026529A1 JP 2018025535 W JP2018025535 W JP 2018025535W WO 2019026529 A1 WO2019026529 A1 WO 2019026529A1
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WO
WIPO (PCT)
Prior art keywords
absorbent
absorbent article
graphic
main body
main graphic
Prior art date
Application number
PCT/JP2018/025535
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
洋大 椎野
竜吾 大橋
伊藤　幸博
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 CN201890001045.2U priority Critical patent/CN211911995U/zh
Publication of WO2019026529A1 publication Critical patent/WO2019026529A1/ja

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/42—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators with wetness indicator or alarm
    • 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/496—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 specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—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 of the pads
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin

Definitions

  • the present invention relates to an absorbent article.
  • Disposable diapers are known as absorbent articles that absorb excrement.
  • the diaper which raised designability is known by attaching patterns, such as a character and a pattern, to the non-skin side of the absorptive main body which absorbs excrement.
  • the yarn content is set to 5% by weight or less by the content of titanium oxide.
  • the present invention has been made in view of the above problems, and the object of the present invention is to provide an absorbent article having high designability, in which a design attached to an absorbent main body is easily visible from the outside. It is to do.
  • the main invention to achieve the above object is
  • the absorbent main body has vertical directions, left and right directions, and front and back directions that cross each other, is provided along the vertical directions, and is provided along the left and right direction along the horizontal direction, and is provided on the front side
  • An absorbent article comprising: a rear side band member joined to a rear side upper end portion of the rear side band member, wherein both ends of the front side band member and both ends of the rear side band member are mutually joined in the left-right direction
  • the absorbent main body includes a liquid absorbent absorbent core and a liquid impermeable leak-barrier sheet disposed on the non-skin side of the absorbent core, and on at least one of the front side and the rear side, On the non-skin side of the leakproof sheet
  • the area of the main graphic is 40% or more of the area of the non-
  • the design attached to the absorptive main body is easy to visually recognize from the outer side, and can provide an absorbent article with high designability.
  • FIG. 3 is a schematic cross-sectional view showing a cross section AA in FIG. It is a figure explaining the structure of absorptive main part 10.
  • FIG. 5A is a view for explaining the arrangement of the front main graphic 101 on the front side of the diaper 1.
  • FIG. 5B is a view for explaining the arrangement of the rear main graphic 102 on the rear side of the diaper 1. It is a figure showing that the infants who wore the diaper 1 do high-high. It is a figure explaining the cross-sectional state of diaper 1 of a pants type form.
  • the absorbent main body has vertical directions, left and right directions, and front and back directions that cross each other, is provided along the vertical directions, and is provided along the left and right direction along the horizontal direction, and is provided on the front side
  • An absorbent article comprising: a rear side band member joined to a rear side upper end portion of the rear side band member, wherein both ends of the front side band member and both ends of the rear side band member are mutually joined in the left-right direction
  • the absorbent main body includes a liquid absorbent absorbent core and a liquid impermeable leak-barrier sheet disposed on the non-skin side of the absorbent core, and on at least one of the front side and the rear side, On the non-skin side of the leakproof sheet
  • the area of the main graphic is 40% or more of the area of the non-
  • the main graphic can be easily disposed in the area of the absorbent main body that does not overlap with the band member.
  • the main graphic and the band member do not easily overlap, the main graphic can be easily viewed from the outside of the absorbent article, and the design of the absorbent article can be improved.
  • the area of the rear main graphic overlaps the rear band member of the absorbent main body in a state where the absorbent main body is expanded in the vertical direction and the left and right direction. It is desirable that it is 80% or more of the non-region.
  • a wearer such as an infant wears the absorbent article because the back main graphic is provided in a wide area not overlapping with the back belt member on the back side of the absorbent main body.
  • the rear main graphic becomes more visible.
  • the back side main graphic overlaps with a position where the absorbent main body is bent back and forth in the crotch.
  • the back main graphic is provided up to the lower side (crotch side) of the absorbent article in the vertical direction, and in the wearing state of the absorbent article, from the buttocks of the wearer (infants)
  • the design becomes easier to be recognized in a wide area over the crotch, and the designability is further improved.
  • a front main graphic is provided on the front side of the absorbent main body, and a rear main graphic is provided on the rear side of the absorbent main body, and the front main in the vertical direction
  • the central position of the graphic is higher than the central position of the rear main graphic.
  • the front main graphic by providing the front main graphic at a high position, it is possible to suppress that the front main graphic is pinched between the legs of the wearer and contracted when worn.
  • the back side main graphic by providing the back side main graphic at a low position, the back side main graphic can be easily viewed in a wide range of the buttocks of the wearer. Therefore, it becomes easy to visually recognize the front and back main graphics in an optimal state.
  • the area of the front main graphic is smaller than the area of the back main graphic.
  • the front side main graphic by forming the front side main graphic smaller than the back side main graphic, the front side main graphic and the front side belt member are less likely to overlap, and the visibility of the front side main graphic is deteriorated. Can be suppressed.
  • the rear side main graphic can be formed large, the visibility of the rear side main graphic can be enhanced.
  • the area of the portion where the rear main graphic and the rear band member overlap is smaller than the area of the portion where the front main graphic and the front band member overlap.
  • the overlapping part of the back side main graphic and the back side belt member becomes small, and the visibility of the back side main graphic is not easily deteriorated.
  • the front side main graphic is disposed at a position (ventral side) which is difficult to see when the wearer (for example, a baby) makes a high / high, the overlapping portion between the front side main graphic and the front side belt member is large Also the deterioration of visibility is not noticeable. Therefore, the deterioration of visibility can be suppressed as the whole absorbent article.
  • the front main graphic and the front band member do not overlap.
  • the average of the printing gradation value of the main graphic in the portion where the main graphic and the surface on the one side of the absorbent body overlap is the average of the printing gradation value of the main graphic and the absorbent main body. It is desirable that the value is larger than the average of the print gradation values of the main graphic in a portion where the one side surface does not overlap.
  • the density of the main graphic when viewed from the outside, the density of the main graphic appears to be thinner at the portion where the main graphic and the band member overlap, than the image actually printed.
  • the density of the main graphic looks equivalent to the image actually printed. Therefore, it is suppressed that the density of the main graphic appears to change rapidly between the overlapping portion and the non-overlapping portion of the band member. Thereby, good visibility can be realized.
  • the printing gradation value of the main graphic gradually decreases from the upper side to the lower side in the vertical direction.
  • the graphic density is high in the area (overlap portion) where the main graphic and the band member overlap, and in the area (non-overlapping portion) where the main graphic and the band member do not overlap
  • the concentration tends to decrease. Then, even when the position of the boundary between the overlapping portion and the non-overlapping portion is shifted, the unnatural density change in the vicinity of the boundary becomes less noticeable, and the deterioration of the visibility is easily suppressed.
  • the average of the lightness of the main graphic in the portion where the main graphic and the surface on the one side of the absorbent main body overlap is the average of the lightness of the main graphic and the one side of the main body It is desirable that it is smaller than the average of the lightness of the main graphic in the portion where the surface does not overlap.
  • the thickness of the outline forming the outer shape of the main graphic be 3 mm or more.
  • the main graphic has the same pattern as a character displayed on a product package of the absorbent article.
  • the position of the rear upper end of the absorbent body is higher than the position of the front upper end of the absorbent body in the vertical direction.
  • the area of the rear side surface of the absorbent main body is larger than the area of the front side surface, so the area on which the main graphic can be printed becomes large on the rear side surface. Therefore, the rear main graphic can be designed more freely. This can enhance the design of the absorbent article.
  • the position of the rear upper end of the absorbent main body in the vertical direction is the same as the position of the front upper end of the absorbent main body, or the position of the rear upper end of the absorbent main body is Preferably, it is lower than the position of the front upper end of the absorbent body.
  • the area of the front side surface of the absorbent main body is increased, so the area where the main graphic can be printed on the front side surface is increased. Therefore, it becomes possible to form the front main graphic in the upper region in the vertical direction, and when the absorbent article is worn, the front side is pinched by the legs of the wearer on the lower side (crotch side) of the absorbent main body Even in this case, the front main graphic is hard to shrink. Therefore, it becomes easy to suppress that the visibility of a front side main graphic deteriorates.
  • an indicator whose color changes upon contact with moisture is provided in the absorbent body along the vertical direction, and in the vertical direction, the front side of the absorbent body is provided.
  • the length of the indicator located at is longer than the length of the indicator located at the rear of the absorbent body.
  • the rear main graphic and the indicator do not easily overlap, so that it is easy to suppress the deterioration of the visibility of the rear main graphic even when the color of the indicator changes. Become.
  • a front main graphic is provided on the front side of the absorbent main body, and a rear main graphic is provided on the rear side of the absorbent main body, and the front main graphic and the indicator
  • the area of the overlapping portion is larger than the area of the overlapping portion of the rear main graphic and the indicator.
  • the area of the overlapping portion of the back side main graphic and the indicator is small, so the visibility of the back side main graphic is unlikely to deteriorate even when the color of the indicator changes.
  • the area of the overlapping portion between the front main graphic and the indicator is large, the front main graphic is less visible as compared to the rear main graphic, so that the deterioration of the visibility of the absorbent article as a whole is less noticeable.
  • the indicator is not disposed on the rear side of the absorbent main body.
  • the area of the overlapping portion between the indicator and the rear main graphic can be minimized, so that the visibility of the rear main graphic can be obtained even when the color of the indicator changes. It becomes easier to control the deterioration of
  • the back main graphic and the indicator do not overlap.
  • the absorbent main body has a registration mark serving as a reference position when processing a sheet member, and the front band member and the rear band member extend and contract in the left-right direction. It is preferable that an elastic member be provided, and the registration mark be disposed so as to overlap at least a part of a region in which a tensile force is applied by the waist elastic member.
  • the absorbent main body can be accurately processed in the manufacturing process of the absorbent article. Then, when the absorbent article is worn, the registration mark is also contracted by the contraction of the waist elastic member, so that the registration mark becomes less noticeable. This suppresses the deterioration of the visibility of the main graphic.
  • FIG. 1 is a schematic perspective view of the diaper 1 as viewed from the front side.
  • FIG. 2 is a schematic plan view of the diaper 1 in the unfolded and stretched state as viewed from the skin side.
  • FIG. 3 is a schematic cross-sectional view showing the AA cross section in FIG.
  • FIG. 4 is a view for explaining the structure of the absorbent main body 10.
  • each member constituting the diaper 1 for example, the absorbent main body 10 and the front band member described later) 30
  • the dimensions of the element 30 become equal to or close to the dimensions of the single member.
  • the diaper 1 has a vertical direction, a lateral direction, and a longitudinal direction as three directions orthogonal to each other in the pants-type state of FIG. 1. And below, the thing of the up-and-down direction in this pants type state is also called “the waist opening side”, and the thing below the up-down direction is also called “the crotch side”. Moreover, the thing of the front side of the front-back direction is also called “ventral side”, and the thing of the back side is also called “back side.”
  • the diaper 1 in the unfolded state of FIG. 2, has a longitudinal direction and a width direction as three directions orthogonal to each other. And below, the thing of the one side and the other side of the longitudinal direction in this deployment state is also called “ventral side” and “back side”, respectively.
  • the above-mentioned width direction in the unfolded state is the same direction as the above-mentioned left-right direction in the pants-type state. Therefore, in the following, the width direction is also referred to as "left and right direction”.
  • the longitudinal direction of the unfolded state is a direction along the vertical direction of the pant-type state. Also, as shown in FIG.
  • the direction perpendicular to the vertical direction (longitudinal direction) and the lateral direction (width direction) is referred to as “thickness direction”
  • the side in contact with the skin of the person to be worn is referred to as “skin side”
  • the other side is called “non-skin side”.
  • the diaper 1 is a so-called three-piece diaper and has three parts 10, 30 and 40. That is, this diaper 1 has an absorbent main body 10 applied to the crotch of the wearer and absorbs excrement such as urine as the first part, and as the second part from the front side of the same wearer as the belly side It has the front side band member 30 which covers a part, and has the back side band member 40 which covers a back side from the back side of the same wearer as a 3rd part.
  • the front side band member 30 and the rear side band member 40 are arranged parallel to each other at an interval in the longitudinal direction (vertical direction) of the absorbent main body 10,
  • the absorbent main body 10 is stretched between them.
  • the front upper end including the front upper end 10ea of the absorbent main body 10 is joined to the front band member 30, and the rear upper end including the rear upper end 10eb of the absorbent main 10 is joined and fixed to the rear band member 40.
  • the external shape thereof is substantially H-shaped in plan view.
  • the absorbent main body 10 is folded in half at the folding position C10 in the longitudinal direction. That is, it is bent back and forth at the crotch.
  • a side edge joint portion 30ew and a side edge joint portion 40ew i.e., the left and right side joint portions which are portions where the front side band member 30 and the rear side band member 40 opposed to each other in this half-folded state are abutted When they are joined and connected at both ends in the direction, these band members 30 and 40 are annularly formed.
  • the diaper 1 in a worn state in which the waist opening 1HB and the pair of leg openings 1HL are formed as shown in FIG. 1 is obtained.
  • Absorbent body 10 has a function of absorbing excrement such as urine, and as shown in FIG. 2 and FIG. 4, it has a substantially rectangular shape in plan view, and the left and right direction is made along the vertical direction of diaper 1. Centered in the direction.
  • the absorbent main body 10 covers the absorbent core 11, the surface sheet member 13 which covers the absorbent core 11 so as to wrap it from the skin side, and the absorbent core 11 from the non-skin side to make an exterior of the absorbent main body 10.
  • the back sheet member 15 is provided.
  • the absorbent core 11 is a member formed by laminating a liquid absorbent material, and can absorb excrement such as urine.
  • liquid absorbent material for example, liquid absorbent fibers such as pulp fibers can be used.
  • the absorbent core 11 may contain, for example, a superabsorbent polymer as a liquid absorbent granular material, or may contain a liquid absorbent material other than a liquid absorbent fiber and a liquid absorbent granular material. Also good.
  • the absorbent core 11 may be coated with a liquid permeable sheet (not shown) such as tissue paper.
  • the absorbent core 11 of the present embodiment has a front end 11a which is an upper end in the vertical direction in FIGS. 2 and 4 and a rear end 11b which is a lower end in the vertical direction in FIG. And between the front end 11a and the rear end 11b, there is a constriction 11c whose width in the left-right direction is narrower than the front end 11a and the rear end 11b.
  • the absorptive core 11 is comprised so that it may become a plan view substantially hourglass shape as is shown by FIG.2 and FIG.4.
  • the surface sheet member 13 is a sheet-like member that covers the absorbent core 11 from the skin side, and is, for example, a liquid-permeable non-woven fabric having a planar size larger than that of the absorbent core 11.
  • the back sheet member 15 is a sheet-like member that covers the absorbent core 11 from the non-skin side, and is a flat sheet larger than the absorbent core 11, and an example thereof is a liquid-free material such as polyethylene or polypropylene.
  • packing sheets 15b, such as a nonwoven fabric, were bonded together is mentioned.
  • so-called solid gather LSG and leg gathers LG are formed by the exterior sheet 15b.
  • the three-dimensional gather LSG is a leak-proof wall provided so as to stand upright at each end of the surface sheet member 13 in the left-right direction, and the leg gathers LG are provided at the openings 1HL and 1HL around the legs of the diaper 1, respectively. It is an elastic part around the formed leg.
  • the exterior sheet 15b has portions 15bf extending in the left-right direction from both sides in the left-right direction of the leak-proof sheet 15a, and this portion 15bf takes the end in the left-right direction of the absorbent main body 10 as the folding position.
  • the elastic elastic members 17 and elastic auxiliary elastic members 19 such as thread rubber are fixed in the state of being expanded in the vertical direction in the vicinity of the same folding position along the vertical direction.
  • the above-mentioned leg gathers LG are formed.
  • the leg-surrounding auxiliary elastic member 19 is not necessarily required, and the leg-surrounding gather LG may be formed by only the leg-surrounding elastic member 17.
  • the folded back portion 15bf further extends to the center side in the left-right direction, and is joined to the surface sheet member 13 at both end portions in the vertical direction so as to cover the end portions in the left-right direction of the surface sheet member 13. . Further, the portion 15bf is folded back to the left and right in the lateral direction, and the LSG elastic member 18 such as rubber thread is fixed to the tip end portion in the vertically elongated state along the vertical direction.
  • the absorbent main body 10 is curved in the vertical direction so that the surface sheet member 13 side is on the inner peripheral side.
  • the tip part of portion 15bf is contracted in the up-and-down direction by the contraction force given from the same LSG elastic member 18, stands up from surface sheet member 13, and functions as solid gather LSG.
  • liquid permeability such as tissue paper 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 (see FIG. 3). You may interpose a sheet.
  • a predetermined pattern is provided on the non-skin side of the leakproof sheet 15 a of the absorbent main body 10.
  • a panda character (main graphics 101 and 102 described later) is printed as an example of a symbol.
  • the said pattern is provided so that it may be visible from the non-skin side (namely, the outer side of the diapar 1) through the exterior sheet 15b.
  • the said design (main graphic 101, 102) is drawn so that it can visually recognize also from the skin side (inner side of the diapar 1) of the absorptive main body 10 for description.
  • the printed pattern is also referred to as "graphic". Details on the size and arrangement of the graphic will be described later.
  • an indicator 60 serving as an indicator for informing the user of the diaper 1 (for example, a guardian of an infant) of the absorption amount of liquid such as urine is provided on the skin side of the leakproof sheet 15a of the absorbent main body 10.
  • the indicator 60 is shown by a region surrounded by a dotted line in FIG. 4, and is formed in a band shape along the vertical direction (longitudinal direction of the absorbent main body) at the central portion in the horizontal direction.
  • the indicator 60 is formed of a substance (ink) that changes its color by contact with moisture, and is absorbed by the absorbent core 11 when the subject such as an infant wears the diaper 1 and urinates The resulting urine comes in contact with the indicator 60 to change color. Therefore, the user (guard of an infant) can easily grasp the replacement time of the diaper 1 by visually recognizing the change in color of the indicator 60 from the outside of the diaper 1.
  • Each of the front side band member 30 and the rear side band member 40 is a sheet member having a substantially rectangular shape in plan view, which is made of, for example, a flexible sheet such as a non-woven fabric (see FIG. 2).
  • the front side band member 30 is formed by joining the non-woven fabrics 31 and 32 in a two-ply manner in the thickness direction. And, between the two non-woven fabrics 31, 32, a plurality of waist elastic members 35, 35 ... such as thread rubber are arranged along the left-right direction.
  • the waist elastic members 35, 35 are joined and fixed to the non-woven fabrics 31, 32 in a state of being stretched in the left-right direction while being inserted side by side in the top-bottom direction with intervals in the top-bottom direction.
  • the front side band member 30 is stretchable in the left-right direction.
  • the non-woven fabrics 31 and 32 are bonded to each other through a band member bonding portion 37 formed of an adhesive such as a hot melt adhesive.
  • the band member joint portion 37 is formed, for example, in the range of band member joint portions 37a and 37b indicated by the shaded portion in FIG. 2, and the waist elastic member 35 is jointed and fixed by the band member joint portions 37a and 37b. Stretchability in the left-right direction is imparted to the member 30.
  • the range and size in which the band member joint portion 37 is formed are not limited to this.
  • the waist elastic member 35 has a discontinuous portion at the central portion in the left-right direction.
  • the discontinuous portion of the waist elastic member 35 is formed by cutting the waist elastic member 35 at a predetermined position in the central portion in the left-right direction in the manufacturing process of the diaper 1. Specifically, the waist elastic member 35 is cut in the region between the band member bonding portions 37b and 37b formed in a pair on both sides in the left-right direction. Then, the waist elastic member 35 starts contraction from the cut portion (cut end) toward the band member joint portion 37b on both sides in the left and right direction, and contracts at the position of the inner side end of the band member joint portion 37b. Stop. This operation is also called “cutback" of the elastic member.
  • the waist elastic member 35 is not bonded (or bonded with a weak adhesive force to such an extent that the stretching force does not act) in the region between the left and right direction odor band member joint portions 37b and 37b. May be). Therefore, when the waist elastic member 35 cuts back, the non-woven fabrics 31, 32 constituting the front side band member 30 do not shrink, and only the waist elastic member 35 shrinks in the left-right direction. In other words, the waist elastic member 35 is displaced relative to the front band member 30. Thereby, the discontinuous part of the waist elastic member 35 is formed in the left-right direction center part by the front side (ventral side) of the diapar 1.
  • the contraction force in the left and right direction hardly acts on the absorbent main body 10 (absorbent core 11), and the absorbent main body 10 (absorbent core 11) is easily expanded in the left and right direction. Side leakage etc. can be effectively suppressed.
  • the non-skin side non-woven fabric 32 protrudes above the vertical direction upper end of the non-skin side non-woven fabric 31 and the protruding portion is folded back to the skin side
  • the front side folded portion 32f is formed, and the front side folded portion 32f is joined and fixed to the skin side of the nonwoven fabric 31 (see FIG. 3).
  • the upper end 30ea of the front side band member 30 is covered by the front turn-up portion 32f, and the edge of the upper end 30ea does not easily bite into the wearer's skin (ventral waistline portion) when the diaper 1 is worn. It can be made hard to occur.
  • the front side band member 30 is joined to the front upper end portion (the end portion on the non-skin side and the waist opening side in FIG. 3) of the absorbent main body 10 via the front side joint portion 51.
  • the front side joint portion 51 is formed by using a bonding means such as welding or adhesion, and in the present embodiment, the front side joint portion 51 is formed by using an adhesive such as a hot melt adhesive.
  • the rear side band member 40 has substantially the same structure as the front side band member 30. That is, the back side band member 40 is formed by joining the non-woven fabrics 41 and 42 in a two-ply manner in the thickness direction, and the band member joining portion 47 (the band member in FIG. A plurality of waist elastic members 45, 45, such as thread rubber, are joined and fixed in a state of being stretched in the left-right direction via the joining portions 47a and 47b). Thereby, the stretchability in the left-right direction is given to the rear side band member 40. Further, at least a part of the waist elastic member 45 is cut at the central portion in the left-right direction and cut back similarly to the waist elastic member 35 to form a discontinuous portion.
  • the non-skin side non-woven fabric 42 protrudes above the upper end in the vertical direction of the non-skin side non-woven fabric 41 and the protruding portion is folded back to the skin side To form the rear side folded portion 42f.
  • the rear band member 40 is joined to the rear upper end (the end on the non-skin side and the waist opening side in FIG. 3) of the absorbent main body 10 via the rear joint 52.
  • the sheet member 38 which covers the front upper end 10ea of the absorptive main body 10, and the lower end 32feb of the front side folding part 32f from the skin side is provided.
  • the sheet member 38 makes it difficult for the edges of the front upper end 10ea and the lower end 32feb to bite into the skin of the wearer when the diaper 1 is worn, making it less likely to cause discomfort when worn.
  • a sheet member 48 is provided which covers the rear upper end 10eb of the absorbent main body 10 and the lower end 42feb of the rear folded portion 42f from the skin side.
  • the sheet member 48 makes it difficult for the edges of the rear upper end 10eb and the lower end 42feb to bite into the skin of the wearer when the diaper 1 is worn, making it less likely to cause discomfort when worn.
  • the sheet members 38 and 48 may not necessarily be provided.
  • the graphic provided on the non-skin side of the leakproof sheet 15 a of the absorbent main body 10 will be described.
  • the graphic is formed in the manufacturing process of the diaper 1 by printing on the leakproof sheet 15a using a general printing device such as an inkjet printer.
  • a graphic that satisfies a predetermined condition is called a "main graphic".
  • the “main graphic” is at least at least the front side or the rear side of the graphic printed on the non-skin side of the leak-proof sheet 15a in a state in which the absorbent main body 10 is elongated in the vertical and horizontal directions. For one side, it represents a graphic printed in an area of 40% or more of the area.
  • the “front side” is a surface located on the front side when the absorbent main body 10 is folded in half at the folding position C10, and in FIG.
  • the “rear side surface” refers to the surface located on the rear side when the absorbent main body 10 is folded in half at the folding position C10, and in FIG. 4 the folding position in the longitudinal direction of the absorbent main body 10 It is a surface located on the dorsal side of C10.
  • the front side main graphic 101 which consists of a character of the panda with a balloon is formed in the front side of the absorptive main body 10 (the leak-proof sheet 15a).
  • a rear main graphic 102 composed of parent and child panda characters is formed on the rear side of the absorbent main body 10 (the leak-proof sheet 15a).
  • the main graphic need not necessarily be formed on both the front side and the rear side, and the main graphic may be formed only on one side (preferably the rear side).
  • Such main graphic occupies an area of 40% or more of the front side or rear side of the absorbent main body 10 and is the most noticeable graphic when the diaper 1 is worn, so it is easy for infants and their parents to recognize It is desirable that it is a character's design. And in order to make it easy to recognize relevance with diaper 1 more, it is more desirable for a main graphic to be a pattern of the same character as a character drawn on a package at the time of making diaper 1 distribute to a market.
  • the main graphic may be one in which a plurality of symbols gather to form a group of symbols.
  • the front main graphic 101 shown in FIG. 4 is a pattern in which a child panda on a cloud has two balloons, but the “cloud”, “child panda” and “balloons” are surrounded by continuous lines. Form a closed area.
  • the character “child panda” but also “clouds” and “balloons” are components of the main graphic, and the combined area of all the components is 40% or more of the front side of the absorbent main body 10 If it is the size of For example, in the case where a background, characters, etc. are formed over a certain character, those elements come together to constitute the main graphic.
  • the outline of the main graphic may not necessarily be a closed area, and a part of the outline may be interrupted.
  • a part of the outline may be interrupted.
  • the user can recognize it as a group of pictures at first glance If so, the "cloud” is also a component of the main graphic.
  • the back side main graphic 102 shown in FIG. 4 is a pattern in which a parent panda and a child panda are arranged side by side.
  • a "parent panda” and a “child panda” form a closed area surrounded by a continuous line, and the two characters constitute a main graphic.
  • the area of the two characters in combination may be 40% or more of the rear side surface of the absorbent body 10.
  • a plurality of characters pandas in FIG. 4
  • the plurality of characters are in the left-right direction (the width direction of the absorbent main body 10) It is desirable to be arranged side by side).
  • the plurality of characters constitute the main graphic.
  • the rear side main graphic 102 it is clear that "parent panda” and “child panda” are a series of “parent-child pandas” side by side. Therefore, even if "parent panda” and “child panda” are arranged apart from each other, the two characters constitute the back main graphic 102.
  • the diaper whose area is to be calculated is stretched in the vertical and horizontal directions, and the front side and the rear side of the absorbent main body 10 are imaged using a commercially available camera. Then, the captured image is read by a scanner to acquire read data.
  • This read data is data in which pixel data corresponding to the read resolution of the scanner are arranged in a two-dimensional manner, and each pixel data has a multistage density (print density) for each part of the absorbent main body 10 and the main graphic. It is indicated by a key value (hereinafter referred to as read tone value).
  • the print density is darker as the read tone value indicated by the pixel data is larger, and the print density is lighter as the read tone value is smaller.
  • the read gradation value indicated by the pixel data may be represented, for example, by the luminance or the L * value (lightness).
  • the main graphic edge extraction process is performed on the read data.
  • a known filter such as a Laplacian filter or a sobel filter is applied to extract and binarize pixels forming an outline of the main graphic.
  • the gradation value of the pixel forming the outline of the main graphic is expressed by the maximum gradation (255), and the gradation value of the other pixels is expressed by the lowest gradation (0).
  • the main graphic is a closed area basically surrounded by continuous lines, the main graphic can be obtained by calculating the area of the area surrounded by the outline pixels extracted in the read data. The area can be measured accurately.
  • the area of the main graphic may be calculated by forming and adding a virtual outline on the read data.
  • the ratio (%) of the area of the main graphic to the front side (rear side) Become.
  • the percentage (%) of the area of the main graphic may be calculated by other methods.
  • FIG. 5A is a view for explaining the arrangement of the front main graphic 101 on the front side of the diaper 1.
  • FIG. 5B is a view for explaining the arrangement of the rear main graphic 102 on the rear side of the diaper 1.
  • FIG. 5A and FIG. 5B a state (extended state) in which the diaper 1 formed in a pant shape is expanded in the vertical direction and the lateral direction is shown.
  • FIG. 6 is a diagram illustrating how a baby wearing the diaper 1 does a hi-high.
  • FIG. 7 is a view for explaining the cross-sectional state of the pants-type diaper 1.
  • the front side surface of the absorbent main body 10 overlaps with the front side band member 30 in a partial region on the upper side in the vertical direction (the waist opening side).
  • a portion overlapping the front band member 30 is referred to as a front side overlapping portion 10fu, and a portion not overlapping is referred to as a front side non-overlapping portion 10fd.
  • the rear side surface of the absorbent main body 10 partially overlaps the rear side band member 40 on the upper side in the vertical direction (the waist opening side).
  • a portion overlapping with the rear band member 40 is referred to as a rear overlapping portion 10bu, and a portion not overlapping is referred to as a rear non-overlapping portion 10bd.
  • the front main graphic 101 is disposed such that the area of the overlapping portion of the front main graphic 101 and the front band member 30 is less than 50% of the area of the front main graphic 101.
  • an area of 50% or more of the front side main graphic 101 is disposed in the front side non-overlapping portion 10 fd.
  • the area of the overlapping portion of the back side main graphic 102 and the back side belt member 40 is less than 50% of the area of the back side main graphic 102, and the area of 50% or more of the back side main graphic 102 is It is arrange
  • the main graphics 101 and 102 are arranged more easily in the front non-overlapping portion 10 fd and the rear non-overlapping portion 10 bd than in the front side overlapping portion 10 fu and the rear side overlapping portion 10 bu.
  • the main graphic 101, 102 and the band members 30, 40 become difficult to overlap, so the main graphic 101, 102 can be easily viewed from the outside of the diaper 1, and the design of the diaper 1 can be improved. it can.
  • the main graphic may be provided on at least one of the front side (abdominal side) and the rear side (back side) of the absorbent main body 10, but in particular, the rear side main graphic may be provided on the rear side. It is desirable that 102 be provided. This is because, in a state where the baby 1 wears the diaper 1, the back main graphic 102 is often viewed, and the back main graphic 102 has a great influence on the design of the diaper 1. For example, as shown in FIG. 6, when the baby wearing the diaper 1 does a hi-high, the main graphic 102 on the rear side covering the buttocks of the baby is easily visible, and coupled with the drawn character People are more likely to give a cute impression.
  • the back side main graphic 102 is provided so that it may not overlap with the back side belt member 40 as mentioned above, it is hard to produce the problem which hides in the back side belt member 40 and visibility worsens, either The rear main graphic 102 can be clearly viewed even if the camera moves around.
  • the rear main graphic 102 is provided in an area of 80% or more of the rear non-overlapping portion 10bd in the stretched state. That is, the area of the rear side main graphic 102 occupies 80% or more of the area of the portion where the absorbent main body 10 does not overlap with the rear side band member 40. With such a configuration, the rear main graphic 102 is disposed in a wide area of the rear side (the buttocks side) of the absorbent main body 10, so when the baby wears the diaper 1 in a high-high state The rear main graphic 102 is more easily visible (see FIG. 6).
  • the back side main graphic 102 is provided at a position overlapping the folding position C10 at which the absorbent main body 10 is folded back and forth in the crotch. That is, the back main graphic 102 is disposed from the back side of the absorbent main body 10 to the front side beyond the folding position C10 (see FIG. 4), and a part of the back main graphic 102 is the absorbent main It is also provided on the 10 front side.
  • the back side main graphic 102 will be provided in the wider range of the up-and-down direction of diaper 1, and in the wearing state of diaper 1, it becomes easy to be recognized visually in a wide area from the buttocks of a wearer (baby) to crotch. , More design will improve.
  • the front side main graphic 101 is provided in the front side surface of the absorptive main body 10
  • positioning differ by the back side main graphic 102 and the front side main graphic 101.
  • FIG. First speaking of the arrangement of the main graphics 101 and 102 before and after, both are arranged so that the central position C101 in the vertical direction of the front main graphic 101 is higher than the central position C102 in the vertical direction of the rear main graphic 102. ing. That is, in FIGS. 5A and 5B, the vertical distance LC101 between the center position C101 of the front side main graphic 101 and the folding position C10 is the top and bottom distance between the center position C102 of the rear side main graphic 102 and the folding position C10. Larger than the directional distance LC102 (LC101> LC102).
  • the front crotch part (lower part in the vertical direction) of the absorbent main body 10 is easily contracted in the width direction (left and right direction) by being pinched by both legs, and the front main graphic near the crotch part
  • the front main graphic 101 also contracts in the width direction and becomes difficult to be recognized as the absorbent main body 10 contracts.
  • the back side main graphic 102 being arranged near the crotch, as described above, in the wide range of the buttocks of the wearer You will be able to see the pattern. Therefore, in the diaper 1, by arranging the front side main graphic 101 at a position higher than the rear side main graphic 102 in the vertical direction, each main graphic 101, 102 can be viewed in an optimal state when worn. ing.
  • the front main graphic such that the size (area) of the front main graphic 101 is smaller than the size (area) of the rear main graphic 102 101 are formed.
  • the front main graphic 101 is disposed at a position higher than the rear main graphic 102 in the vertical direction. Therefore, if the front side main graphic 101 is formed to have the same size as the back side main graphic 102, the front side main graphic 101 easily overlaps the front side belt member 30, and a portion which is hidden by the front side belt member 30. May become large and the visibility may deteriorate.
  • the front main graphic 101 smaller than the rear main graphic 102 so that the front main graphic 101 and the front band member 30 do not easily overlap, the visibility of the front main graphic 101 is degraded. To suppress that.
  • the rear main graphic 102 large, the visibility of the rear main graphic 102 can be enhanced.
  • the area of the overlapping portion of the rear main graphic 102 and the rear band member 40 is smaller than the area of the overlapping portion of the front main graphic 101 and the front band member 30. (See FIGS. 5A and 5B).
  • the rear main graphic 102 is easy to be seen by a guardian or the like when the wearer (early child) makes a high / high as shown in FIG. 6; therefore, the visibility is deteriorated if the overlapping portion with the rear side belt member 40 is large. It becomes noticeable.
  • the front side main graphic 101 is arranged at a position where it will not be visible when the baby is high-high, visibility deterioration due to overlapping with the front side band member 30 is less noticeable compared to the back side main graphic 102 . Therefore, even if the area of the overlapping portion of the front side main graphic 101 and the front side band member 30 is larger than the area of the overlapping portion of the rear side main graphic 102 and the rear side band member 40, the problem hardly occurs. Thereby, the deterioration of visibility can be suppressed as the diaper 1 whole.
  • the back main graphic 102 should be easily overlapped with the back strap 40.
  • the area of the overlapping portion of the back side main graphic 102 and the back side band member 40 is made as small as possible by adjusting the arrangement and size of the back side main graphic 102 as described above. ing. Thereby, the designability of diaper 1 can be improved, securing the good visibility of back side main graphic 102.
  • the area of the overlapping portion of the rear side main graphic 102 and the rear side band member 40 may be larger than the area of the overlapping portion of the front side main graphic 101 and the front side band member 30.
  • the front main graphic 101 may be formed to have a small area, but in such a case, it is desirable that the front main graphic 101 does not overlap the front band member 30 in order to ensure visibility.
  • the rear main graphic 102 needs to be formed to have a large area from the viewpoint of design, there is a high possibility that the rear main graphic 102 has a region overlapping with the rear band member 40.
  • the area of the overlapping portion of the rear main graphic 102 and the rear band member 40 is the overlapping portion of the rear main graphic 102 and the rear band member 40 May be smaller than the area of With such a configuration, the visibility of the front main graphic 101 can be further improved in addition to the rear main graphic 102.
  • the back side main graphic 102 and the back side belt member 40 it is also possible to make the back side main graphic 102 and the back side belt member 40 not overlap. That is, it is also possible to arrange the rear main graphic 102 only in the rear non-overlapping portion 10 bd. However, since the upper limit of the size (area) of the rear main graphic 102 is limited to the size (area) of the rear non-overlapping portion 10 bd, the degree of freedom in design of the rear main graphic 102 decreases. Keep in mind that it may affect the visibility of your baby when it is high or high.
  • the thickness (width) of the outline of the main graphic 101, 102 is a predetermined value (for example, 3 mm) or more. If the outline is thin, when the main graphics 101 and 102 overlap the band members 30 and 40, they may be obscured by the band members 30 and 40, making it difficult to see. On the other hand, if the outline is formed with a thickness of 3 mm or more, the main non-woven fabric (15b, 31, 32 41, 42, etc.) laminated on the main graphic 101 102 is seen through the main The shapes of the graphics 101 and 102 can be easily recognized.
  • the “contour line” refers to a line that forms an outline of a graphic with respect to a background (here, the leak-barrier sheet 15 a which is a print medium). If the graphic is formed in a solid fill (e.g., the part of the ear of the panda in FIG. 5A, etc.), it may be considered that the entire solid part including the outer edge of the graphic is a contour.
  • the main graphic 101, 102 when the main graphic 101, 102 is formed on the absorbent main body 10, the main graphic 101, the main graphic 101, by changing the printing conditions according to the area of the absorbent main body 10 (leakproof sheet 15a). The visibility of 102 is further enhanced.
  • the rear main graphic 102 when the rear main graphic 102 is formed, printing is performed by changing the printing tone value in the rear overlapping portion 10bu and the rear non-overlapping portion 10bd. Specifically, an area in which the average of the printing tone values of the rear main graphic 102 formed in the area overlapping with the rear side band member 40 (rear side overlapping portion 10bu) does not overlap with the rear side band member 40 (rear side non The printing is performed so as to be higher than the average of the printing tone values of the rear main graphic 102 formed in the overlapping portion 10bd). As a result, the density of the portion of the rear main graphic 102 overlapping the rear band member 40 tends to be higher than the density of the non-overlapping portion.
  • the image density can be seen to be equal between the rear overlapping portion 10 bu and the rear non-overlapping portion 10 bd, and good visibility can be realized. .
  • the lightness may be changed between the rear overlapping portion 10bu and the rear non-overlapping portion 10bd.
  • the brightness of the portion formed in the rear overlapping portion 10bu is a predetermined ratio (for example, the lightness of the portion formed in the rear non-overlapping portion 10bd) Adjustment is made so as to decrease by about 30%, and printing is performed. In this way, in the portion (rear overlapping portion 10bu) overlapping with the rear side band member 40 in the rear side main graphic 102, the image is darker than the non-overlapping portion (rear non-overlapping portion 10bd) It is printed.
  • the rear main graphic 102 looks brighter than the image actually printed, and the rear non-overlapping portion 10bd displays the rear main graphic 102. Looks as bright as the actually printed image. Therefore, when the user visually recognizes the diaper 1 from the outside, the lightness of the image can be seen to be equal between the rear overlapping portion 10bu and the rear non-overlapping portion 10bd, and good visibility can be realized. .
  • the printing gradation and the lightness gradually change from the upper side to the lower side in the vertical direction. You may do so.
  • the print gradation is gradually reduced from the upper end in the vertical direction to the lower end. That is, an image having a gradation in which the density decreases toward the lower side in the vertical direction is formed.
  • the bonding position of the absorbent main body 10 and the band members 30, 40 When a shift occurs, the position of the boundary is also shifted, so that the density of the main graphic 101 or 102 may seem to be unnaturally changed at the shifted boundary.
  • the gradation value is gradually changed, the image as a whole is formed with a high density in the rear overlapping portion 10bu and a low density in the rear non-overlapping portion 10bd.
  • the designability is enhanced by adjusting the size of the portion where the absorbent main body 10 overlaps with the front side band member 30 and the rear side band member 40, respectively.
  • the height in the vertical direction of the rear upper end 10 eb of the absorbent main body 10 is arranged at a position higher than the height in the vertical direction of the front upper end 10 ea. That is, in the vertical direction, the distance between the front upper end 10ea of the absorbent main body 10 and the folding position C10 is larger than the distance between the rear upper end 10eb and the folding position C10.
  • the area of the side surface is larger than the area of the front side surface. In this way, it is possible to increase the printable area on the rear side, and it is possible to more easily form the rear main graphic 102. Thereby, design nature can be improved as the diaper 1 whole.
  • the height in the vertical direction of the rear upper end 10eb of the absorbent main body 10 is the same as the height in the vertical direction of the front upper end 10ea, or from the height in the vertical direction of the front upper end 10ea. It may be arranged at a low position. In this case, the area of the front side of the absorbent main body 10 is increased, and the printable area on the front side is increased. The region on the crotch side (lower side in the vertical direction) of the front side is pinched by the legs of the wearer when the diaper 1 is worn, making it difficult to visually recognize the graphic.
  • the front main graphic 101 can be formed on the waist opening side (upper side in the vertical direction) on the front side surface of the absorbent main body 10, the visibility of the front main graphic 101 is worn when the diaper 1 is worn. It is possible to suppress deterioration and to improve the design of the diaper 1.
  • the length of the indicator 60 provided on the front side surface of the absorbent main body 10 is longer than the length of the indicator 60 provided on the rear side surface of the absorbent main body 10.
  • the rear side main graphic 102 is provided up to near the lower side (crotch side) in the vertical direction, when the indicator 60 is disposed long on the rear side, the rear side main graphic 102 and the indicator 60 Overlap parts tend to be large. In this case, urination is performed when the diaper 1 is worn, and when the color of the indicator 60 changes, the visibility of the rear main graphic 102 may be degraded in the portion overlapping the indicator 60.
  • the wearer infant
  • the deterioration of visibility is noticeable. Therefore, by making the length of the indicator 60 on the back side of the absorbent main body 10 shorter than the length of the indicator 60 on the back side, the back main graphic 102 and the indicator 60 are less likely to overlap. The deterioration of the visibility of the rear main graphic 102 is suppressed.
  • the area of the overlapping portion of the front side main graphic 101 and the indicator 60 is larger than the area of the overlapping portion of the rear side main graphic 102 and the indicator 60.
  • the overlapping area of the rear side main graphic 102 and the indicator 60 becomes large, the deterioration of visibility is noticeable.
  • the front side main graphic 101 is easily shrunk in the left-right direction by being pinched by the legs of the wearer, and the front side main graphic 101 is difficult to be visually recognized when the baby is high. Therefore, compared with the rear side main graphic 102, the influence of the deterioration of the visibility is small. Therefore, even if the overlapping area between the front main graphic 101 and the indicator 60 is large, the deterioration of the visibility of the main graphic 101, 102 is not noticeable in the entire diaper 1.
  • the indicator 60 may be provided only on the front side of the absorbent main body 10 and not on the rear side. In this way, it is possible to minimize the area of the overlapping portion between the indicator 60 and the rear main graphic 102, and even if the color of the indicator 60 changes due to urination, the rear main graphic 102 Visibility is less likely to deteriorate.
  • the indicator 60 may be arranged so that the rear main graphic 102 and the indicator 60 do not overlap. If the rear main graphic 102 and the indicator 60 do not overlap, the visibility of the rear main graphic 102 is unlikely to be affected even if the color of the indicator 60 changes due to urination, so the rear main It becomes easier to suppress the deterioration of the visibility of the graphic 102.
  • a registration mark 70 is printed on a predetermined area of the absorbent main body 10.
  • the registration mark 70 is a mark indicating a reference position when printing or processing the sheet member in the manufacturing process of the diaper 1.
  • a registration mark 70 is provided on the upper left side of the front side surface of the absorbent main body 10. Then, as shown in FIG.
  • the registration mark 70 is at least partially overlapped with the continuous portion of the cut-back waist elastic member 35 (that is, the portion to which the tension by the waist elastic member 35 is applied). It is arranged.
  • the continuous portion of the waist elastic member 35 is a region that contracts in the left-right direction when the diaper 1 is worn, and the registration mark 70 also contracts in the left-right direction by being provided overlapping with the continuous portion. That is, when the diaper 1 is worn, the registration mark 70 shrinks in the left-right direction and becomes less noticeable. Therefore, the deterioration of the visibility of the front main graphic 101 is suppressed by the registration mark 70.
  • the position where the registration mark 70 is arranged is not limited to the position shown in FIG. 5A, and any of the front side and the rear side of the absorbent main body 10 having overlapping portions with the waist elastic members 35, 45. It is possible to arrange in position.
  • the material of the exterior sheet 15b, the front side band member 30, and the back side band member 40 was made into the nonwoven fabric, respectively, it does not restrict to any nonwoven fabric.
  • it may be a woven fabric or a sheet member other than the woven fabric.
  • the exterior sheet 15b may be omitted, in which case the leak-barrier sheet 15a forms the exterior of the absorbent main body 10.
  • thread rubber was illustrated as waist elastic member 35, it does not restrict to this at all.
  • a belt-like rubber may be used as the waist elastic member 35, or a stretchable band-like non-woven fabric or a stretchable band-like resin film may be used.

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (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/JP2018/025535 2017-07-31 2018-07-05 吸収性物品 WO2019026529A1 (ja)

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US12127606B2 (en) 2019-02-14 2024-10-29 The Procter & Gamble Company Pant-type wearable article

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JP2015154796A (ja) * 2014-02-19 2015-08-27 ユニ・チャーム株式会社 使い捨て着用物品
US20160175168A1 (en) * 2014-12-18 2016-06-23 The Procter & Gamble Company Assembled Absorbent Article Components with Graphics Having Aligned Low Intensity Zones
JP6113336B1 (ja) * 2016-06-09 2017-04-12 大王製紙株式会社 パンツタイプ使い捨ておむつ

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WO2020164062A1 (en) * 2019-02-14 2020-08-20 The Procter & Gamble Company Pant-type wearable article
US12127606B2 (en) 2019-02-14 2024-10-29 The Procter & Gamble Company Pant-type wearable article

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JP7029899B2 (ja) 2022-03-04

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