WO2016208217A1 - 吸収性物品 - Google Patents

吸収性物品 Download PDF

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Publication number
WO2016208217A1
WO2016208217A1 PCT/JP2016/055157 JP2016055157W WO2016208217A1 WO 2016208217 A1 WO2016208217 A1 WO 2016208217A1 JP 2016055157 W JP2016055157 W JP 2016055157W WO 2016208217 A1 WO2016208217 A1 WO 2016208217A1
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WO
WIPO (PCT)
Prior art keywords
separate sheet
sheet member
pair
absorbent article
absorbent
Prior art date
Application number
PCT/JP2016/055157
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
中嶋　海陽
健人 梨子木
藤本　和也
田中　嘉則
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 CN201680037650.0A priority Critical patent/CN107708631B/zh
Priority to KR1020177037625A priority patent/KR101847797B1/ko
Publication of WO2016208217A1 publication Critical patent/WO2016208217A1/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
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/496—Absorbent articles specially adapted to be worn around the waist, e.g. diapers in the form of pants or briefs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—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
    • 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

Definitions

  • the present invention relates to an absorbent article.
  • Patent Document 1 discloses an absorbent main body (diaper main body) in which leg gathers are formed along the outer edge of the leg periphery, and a pair of waist belts disposed on both sides in the width direction of the absorbent main body. Are provided.
  • the absorbent main body is disposed on the opposite side of the liquid-permeable surface sheet disposed on the side in contact with the wearer's skin and the side in contact with the wearer's skin.
  • a liquid-impervious back sheet, and a liquid absorbent encapsulated between the liquid-permeable front sheet and the liquid-impervious back sheet are laminated.
  • Each of the pair of waist belts is joined at both ends in the longitudinal direction to both edges in the width direction of the absorbent main body.
  • the pair of joint portions are inclined toward the outer side in the width direction. Between the width directions of the pair of joint portions, the absorbent main body has a region where no liquid absorber is provided.
  • an absorptive main body is an area
  • region with lower rigidity than the region where the absorber is provided the region with low rigidity and wrinkles are likely to occur when worn. Therefore, it is difficult to fit the wearer's skin, and problems such as giving the wearer a sense of incongruity and impairing the appearance are likely to occur.
  • the present invention has been made in view of the above problems, and its object is to suppress the occurrence of wrinkles and wrinkles in the absorbent main body, to improve the fit, and to be refreshed in appearance.
  • An object of the present invention is to provide an absorbent article capable of giving the impression.
  • the main invention for achieving the above object is an absorbent article having a longitudinal direction, a lateral direction, and a front-rear direction, an absorbent main body along the longitudinal direction, a belt portion along the lateral direction, A pair of leg-hole openings are formed, and at least the absorbent main body and the at least the absorptive main body inclined toward the laterally outer side from the upper side in the vertical direction toward the pair of leg-hole openings.
  • a pair of joint portions for joining the belt portions are provided on the front and the rear, respectively, and the absorbent main body is an absorbent body that absorbs liquid and a liquid-permeable member disposed on the skin side of the absorbent body.
  • the pair on at least one side of the front-rear direction A separate sheet member is provided between the lateral directions of the joint, and the separate sheet member has a portion that overlaps a region of the absorbent main body where the absorbent body is not provided.
  • the present invention it is possible to suppress the occurrence of kinks and wrinkles in the absorbent main body, improve the fit, and give a clean appearance.
  • FIG. 2A is a plan view showing a diaper in a state of being stretched along the longitudinal direction of the absorbent main body
  • FIG. 2B is a cross-sectional view taken along the line IIB-IIB in FIG. 2A
  • FIG. 3A is a plan development view showing a developed state of the diaper during the manufacturing process
  • FIG. 3B is a cross-sectional view taken along line IIIB-IIIB in FIG. 3A
  • 4A and 4B are schematic plan views of the diaper.
  • FIG. 4A shows the diaper viewed from the front
  • FIG. 4B shows the diaper viewed from the rear.
  • FIG. 6A and 6B show a diaper according to a second embodiment of the present invention
  • FIG. 6A is a plan development view showing a developed state of the diaper during the manufacturing process
  • FIG. 6B is a VIB-VIB line in FIG. 6A. It is sectional drawing.
  • An absorbent article having a longitudinal direction, a lateral direction, and a front-rear direction, comprising an absorbent main body along the longitudinal direction and a belt portion along the lateral direction, and a pair of leg opening portions A pair of joint portions that are formed and are inclined outward in the lateral direction from the upper side in the vertical direction toward the pair of leg opening portions, and join at least the absorbent main body and the belt portion,
  • the absorbent main body is provided on each of the front and rear sides, and the absorbent body absorbs the liquid, the liquid-permeable skin-side sheet disposed on the skin side of the absorbent body, and the non-absorbent body.
  • An outer sheet disposed on the skin side, and a liquid-impermeable non-skin side sheet disposed between the absorber and the outer sheet, and the pair on at least one side in the front-rear direction.
  • an absorbent article having a portion overlapping the region where the absorber is not provided out of the absorbent body becomes apparent.
  • the separate sheet member provided between the pair of joints corresponding to the wearer's belly side center and back side center is a region where the absorber is not provided, that is, absorption. Since it has a portion that overlaps with the region with lower rigidity than the region where the body is provided, the rigidity of the region where the absorber is not provided is increased, so that the absorbent body can bend and wrinkle when worn Can be suppressed to improve fit. Thereby, a clean impression can be given also in appearance.
  • the separate sheet member is provided on the non-skin side of the absorbent body.
  • an absorbent article for example, when a separate sheet member is provided on the non-skin side with respect to an absorber that absorbs excretory fluid such as urine, a portion overlapping the region where the absorber is provided is separated.
  • the body sheet member may have, compared with the case where the separate sheet member is provided on the skin side from the absorber (when considering so as not to overlap the area where the absorber is provided), Since it is possible to use a large separate sheet member, the rigidity increases in a wider region of the absorbent main body, and the fit can be improved by further suppressing the occurrence of kinks and wrinkles during wearing. As a result, a cleaner appearance can be given.
  • the separate sheet member is provided between the absorbent body and the exterior sheet.
  • the separate sheet member is provided between the absorbent body and the exterior sheet, and is not exposed to the outside. It can give a clean impression.
  • the separate sheet member colored at least in part is provided on the non-skin side with respect to the exterior sheet, and the pair of the joint portions on the front side It is desirable that the color of the region between the lateral directions and the color of the region between the lateral directions of the pair of joints on the rear side are different.
  • the separate sheet member having a different color is provided on the non-skin side of the exterior sheet, the separate sheet member can be easily visually recognized from the outside.
  • the front-rear direction of the present absorbent article can be easily determined based on the color attached to the member.
  • the separate sheet member is provided on the skin side of the absorbent body.
  • the separate sheet member since the separate sheet member is provided on the skin side from the absorbent body and is not exposed to the outside, the separate sheet member does not stand out in appearance and is more neat. Can give an impression.
  • the separate sheet member has a non-joined portion that is not joined to the absorbent main body on the lower end side in the longitudinal direction, and is between the non-joined portion and the absorbent main body. It is desirable that a space that opens downward in the vertical direction is formed.
  • a space that opens downward in the vertical direction is formed between the non-joint portion and the absorbent main body, whereby urine or the like that has traveled along the surface of the absorbent main body is transferred to the space. And can prevent leakage of urine and the like. Further, for example, even when an absorbent pad is used for the present absorbent article, the end of the absorbent pad in the longitudinal direction can be accommodated in the space, and therefore a space for accommodating the absorbent pad needs to be provided separately. Absent.
  • an elastic member is bonded to the non-bonded portion in a state of being stretched in the lateral direction.
  • the elastic member is provided in the non-bonded portion. Since the non-bonded portion is contracted in the lateral direction due to the bonding, and the gap between the end of the absorbent pad accommodated in the space is filled, the end of the absorbent pad falls out of the space. Can be suppressed.
  • the separate sheet member is between the lateral direction of the pair of joint portions on the front side and between the lateral direction of the pair of joint portions on the rear side, respectively.
  • One of the separate sheet member on the front side and the separate sheet member on the rear side is provided on the non-skin side with respect to the absorber, and the other is the absorber. It is desirable to be provided on the skin side.
  • the present absorbent article at the time of wearing is changed based on the difference in structure between the front side and the rear side by changing the position where the separate sheet member is provided on the front side and the rear side. This makes it easier to determine the front-rear direction.
  • the one separate sheet member is provided on the non-skin side with respect to the exterior sheet in a state in which at least a part is colored, and the pair of the pair of sheets on the front side is provided. It is desirable that the color of the region between the lateral portions of the joint portion and the color of the region between the lateral directions of the pair of joint portions on the rear side are different.
  • the separate sheet member provided on the non-skin side with respect to the absorber is colored, and the separate sheet member is further provided on the non-skin side with respect to the exterior sheet. Since it becomes possible to confirm more easily from the outside, it becomes easier to determine the front-rear direction of the present absorbent article when worn based on the color attached to the separate sheet member.
  • the region of the absorbent main body where the absorber is not provided is a non-stretchable region.
  • the absorbent article in the region where the absorbent body of the absorbent main body is not provided, it is a non-stretchable region that does not have stretchability. Difficult to fit the person's skin. As a result, a gap is generated between the skin-side sheet and the wearer's skin at the time of wearing, and warping and wrinkles are more likely to occur. Therefore, the separate sheet member has a portion that overlaps the region where the absorber is not provided, so that the rigidity of the region where the absorber is not provided is increased, and the occurrence of kinks and wrinkles during wearing is suppressed. Fit property can be improved. Thereby, a clean impression can be given also in appearance.
  • the separate sheet member is integrally joined to the absorbent main body and the belt portion by the pair of joint portions.
  • the separate sheet member, the absorbent main body, and the belt portion are integrally joined at the pair of joint portions, so that the separate sheet member, the absorbent main body, and the belt portion are separated by the influence of contact with the skin and friction during wearing.
  • the situation that the body sheet member is detached from the absorbent main body can be suppressed, and the rigidity of the region where the absorber is not provided can be increased without being influenced by the influence.
  • diaper 1 As an example of the absorbent article according to the first embodiment of the present invention, a pants-type disposable diaper 1 (hereinafter simply referred to as diaper 1) will be described.
  • FIG. 1 is a schematic perspective view showing an appearance of a diaper 1 according to the first embodiment of the present invention.
  • This diaper 1 has a pants shape as shown in FIG. 1 when worn.
  • the diaper 1 In the pants-type state, the diaper 1 has a “vertical direction”, a “lateral direction”, and a “front-rear direction” that are orthogonal to each other.
  • the waist side of the wearer In the longitudinal direction, the waist side of the wearer is defined as the upper side (upper), and the inseam of the wearer is defined as the lower side (lower).
  • a wearer's belly side is made into the front side (front) among a front-back direction, and a wearer's back side is made into the back side (back).
  • the diaper 1 has an absorbent main body 2 and a leg gather portion 32 along the vertical direction, and a belt portion 31 along the horizontal direction.
  • a waistline opening HB is formed on the upper side of the diaper 1 in the vertical direction, and a pair of leg hole openings 4 are formed on both sides in the horizontal direction.
  • the absorptive main body 2 has a belt-like shape, and has an absorbent body 21 that absorbs and holds excretory fluid such as urine.
  • an absorbent body 21 that absorbs and holds excretory fluid such as urine.
  • FIG. 1 in the diaper 1 in a pants-type state, one end side in the longitudinal direction of the absorbent main body 2 is located on the upper front side, and the absorbent on the upper rear side via the wearer's crotch. The other end side in the longitudinal direction of the main body 2 is located.
  • the absorber 21 is shown with the broken line.
  • the belt portions 31 are provided on both sides of the absorbent main body 2 in the longitudinal direction above the diaper 1.
  • a plurality of thread rubbers 31 a that can be expanded and contracted in the horizontal direction are arranged side by side in the vertical direction.
  • the leg gathers 32 are provided on both sides of the absorbent main body 2 in the lateral direction.
  • a plurality of thread rubbers 32a that can expand and contract in the vertical direction are arranged side by side in the horizontal direction.
  • the diaper 1 fits around the waist and legs of the wearer by the action of the thread rubber 31 a disposed in the belt part 31 and the thread rubber 32 a disposed in the leg gather part 32.
  • the peripheral edge 40 of the pair of leg hole openings 4 is formed by the vertical lower edges of the pair of belt portions 31 and the lateral outer edges of the pair of leg gather portions 32. Note that it is not always necessary to form the peripheral edge 40 of the pair of leg openings 4 by the lower edges of the pair of belt portions 31 and the outer edges of the pair of leg gather portions.
  • the longitudinal lower ends of the pair of belt portions 31 and Another sheet member or the like may be provided at the lateral outer ends of the pair of leg gathers 32, and the peripheral edges 40 of the pair of leg-hole openings 4 may be formed by edges of the other sheet member or the like.
  • first joint portions 51 inclined in the lateral direction from the upper side in the vertical direction (trunk opening HB) toward the leg opening 4 are provided side by side in the horizontal direction. Yes.
  • second joint portions 52 that are inclined outward in the lateral direction from the upper side in the vertical direction toward the leg opening 4 are provided side by side in the lateral direction.
  • the first joint portion 51 and the second joint portion 52 join the lateral outer end portion of the absorbent main body 2 and the lateral inner end portion of the belt portion 31.
  • Separate sheet members are provided between the lateral direction of the pair of first joint portions 51 and between the lateral direction of the pair of second joint portions 52, respectively.
  • first separate sheet member 61 a separate sheet member provided between the pair of first joint portions 51 in the lateral direction.
  • first separate sheet member 61 is indicated by shading, and the part of the absorbent main body 2 hidden by the first separate sheet member 61 is indicated by a broken line. The details of the separate sheet member will be described later.
  • FIG. 2A is a plan view showing the diaper 1 in a state of being stretched along the longitudinal direction of the absorbent main body 2
  • FIG. 2B is a cross-sectional view taken along the line IIB-IIB in FIG. 2A.
  • 3A is a developed plan view showing a developed state of the diaper 1 during the manufacturing process
  • FIG. 3B is a sectional view taken along line IIIB-IIIB in FIG. 3A.
  • the diaper 1 is in a planar state as shown in FIG. 2A at the final stage of the manufacturing process.
  • the planar diaper 1 has a “longitudinal direction”, a “lateral direction”, and a “thickness direction” orthogonal to each other.
  • the longitudinal direction of the diaper 1 in a planar state is a direction along the longitudinal direction of the absorbent main body 2, and corresponds to the longitudinal direction of the diaper 1 in a pants-type state as shown in FIG.
  • the longitudinal direction of the diaper 1 in the pant-type state and the longitudinal direction of the diaper 1 in the planar state are slightly different from each other. “Longitudinal direction in the state” and the like are treated separately.
  • the state in which the diaper 1 is extended along the longitudinal direction of the absorbent main body 2 refers to the elastic members disposed in the diaper 1 (for example, the rubber thread 31a or leg disposed in the belt portion 31).
  • the diaper 1 is extended in the longitudinal direction against the contraction force caused by the thread rubber 32a and the like disposed on the gather portion 32, wrinkles and gathers can be substantially visually recognized at the portion where each elastic member is disposed. It means a state where it has been extended to the point where it disappears. Therefore, the shape of the diaper 1 in the state extended in the longitudinal direction of the absorptive main body 2 is the same as the shape of the diaper 1 extended flat in the state where the contraction force by each elastic member is not expressed.
  • the side corresponding to the wearer's stomach side is defined as the front side in the longitudinal direction
  • the side corresponding to the wearer's back side is defined as the rear side in the longitudinal direction.
  • the lateral direction of the diaper 1 in a planar state is the same concept as the lateral direction of the diaper 1 in a pants-type state.
  • the thickness direction of the diaper 1 in the planar state is a direction orthogonal to the longitudinal direction and the lateral direction, and the side that contacts the wearer's skin is defined as “skin side”, and the opposite side is defined as “non-skin side”.
  • a pair of leg gather portions 32 are disposed on both sides of the absorbent main body 2 in the lateral direction, and a part of the absorbent main body 2 and the leg gather portions 32
  • a pair of belt portions 31 are arranged so as to overlap the skin side in the thickness direction.
  • the belt portion 31 and the leg gather portion 32 arranged in this way are formed by folding the sheet member 3 inward in the lateral direction with a folding line FL extending in the longitudinal direction, as shown in FIG. 3A. ing.
  • the sheet member 3 includes the belt portion 31 and the leg gather portion 32. 2A and 3A, the folding line FL is indicated by a two-dot chain line.
  • the sheet member 3 is formed by stacking two flexible sheet members such as non-woven fabrics in the thickness direction, and a rubber thread (for example, a rubber thread 31a on the belt portion 31 side, An elastic member such as a rubber thread 32a) on the leg gather portion 32 side is arranged in a state of being elongated in the longitudinal direction.
  • a rubber thread for example, a rubber thread 31a on the belt portion 31 side
  • An elastic member such as a rubber thread 32a
  • the lateral outer end region of the belt portion 31 is inward in the lateral direction at the first belt end folding line FLb1 and the second belt end folding line FLb2 (shown in FIG. 3A). It is folded twice and fixed in the folded state with a hot melt adhesive or the like. That is, the second belt end fold line FLb2 is a portion that becomes the laterally inner end portion 31ei of the belt portion 31 in FIG. 2A and a portion that becomes the periphery of the waistline opening HB.
  • the waistline opening HB By setting the waistline opening HB to such an end folding structure, when the diaper 1 is worn, stress on the wearer's waistline can be reduced.
  • region does not necessarily need to be made into the above folding structures.
  • the belt portion 31 is formed with a notch 41 in which a part is notched at the lateral outer end portion 310 (folding line FL).
  • the leg gather portion 32 is formed with a notch 42 in which a part is notched at the lateral outer end portion 320 (folding line FL).
  • the notch 41 on the belt part 31 side and the notch 42 on the leg gather part 32 side are combined to form the leg opening 4 (see FIG. 1).
  • the notch 41 on the belt part 31 side and the notch 42 on the leg gather part 32 side are It is formed by a through hole that penetrates the sheet member 3 in the thickness direction.
  • the shape of the cutout 41 on the belt portion 31 side and the shape of the cutout 42 on the leg gather portion 32 side are slightly different. It may be.
  • the absorbent main body 2 absorbs and holds the liquid 21, the skin side sheet 22 disposed on the skin side in the thickness direction of the absorbent body 21, and the absorbent body 2. It has the exterior sheet 23 arrange
  • the absorbent body 21 includes an absorbent core in which a liquid absorbent material is formed into a predetermined shape (for example, a substantially hourglass shape in plan view), and a core wrap sheet that covers the outer peripheral surface of the absorbent core.
  • a liquid absorptive material liquid absorptive granular materials, such as liquid absorptive fibers, such as pulp fiber, and superabsorbent polymer (what is called SAP) can be illustrated.
  • SAP superabsorbent polymer
  • As the core wrap sheet a liquid permeable sheet such as tissue paper or nonwoven fabric can be used.
  • the absorber 21 does not necessarily need to be provided with an absorptive core and a core wrap sheet
  • the skin side sheet 22 is formed of a liquid permeable flexible sheet member such as an air-through nonwoven fabric.
  • the exterior sheet 23 is formed of a sheet member such as a nonwoven fabric, for example.
  • the exterior sheet 23 is not necessarily a liquid-permeable sheet member, and may be formed of, for example, a liquid-impermeable film. As shown in FIG. 2B and FIG. 3B, the exterior sheet 23 is disposed on the most non-skin side in the thickness direction among the members constituting the absorbent main body 2.
  • the non-skin side sheet 24 is formed of a liquid-impermeable sheet member such as a polyethylene (PE) film or a polypropylene (PP) film.
  • PE polyethylene
  • PP polypropylene
  • the skin-side sheet 22, the exterior sheet 23, and the non-skin-side sheet 24 are sizes such that each planar size protrudes from both longitudinal ends and lateral ends of the absorbent body 21. Therefore, the absorptive main body 2 has the area
  • the region where the absorber 21 is not provided is a non-stretchable region where no elastic member or the like is disposed.
  • region where the absorber 21 is not provided does not necessarily need to be a non-expandable area.
  • the absorbent body 21, the skin side sheet 22, the exterior sheet 23, and the non-skin side sheet 24 are joined to members adjacent to each other in the thickness direction with an adhesive such as a hot melt adhesive.
  • an adhesive such as a hot melt adhesive.
  • the application pattern of the adhesive include an ⁇ pattern, a spiral pattern, and a stripe pattern. The same applies to other adhesive application patterns.
  • the first separate sheet member 61 is located between the pair of first joint portions 51 located in the front and the pair of first diapers 1 located in the rear.
  • the 2nd separate sheet member 62 is provided between the transverse directions of 2 joined parts 52, respectively.
  • the first separate sheet member 61 is disposed between the pair of first joint portions 51 on the front side in the front-rear direction (the wearer's abdomen) on the rear side in the front-rear direction ( The second separate sheet member 62 is provided between the pair of second joint portions 52 on the back side of the wearer).
  • the first separate sheet member 61 is not necessarily provided on the front side in the front-rear direction, and the second separate sheet member 62 is not necessarily provided on the rear side.
  • seat member should just be provided between the horizontal directions of a pair of junction part in at least one side among directions.
  • the first separate sheet member 61 and the second separate sheet member 62 have a portion that overlaps the region of the absorbent main body 2 where the absorbent body 21 is not provided. Yes. Since the region in which the absorbent body 21 is not provided has lower rigidity than the region in which the absorbent body 21 is provided, the diaper 1 is liable to be wrinkled or wrinkled.
  • seat 22 does not expand-contract horizontally in the said non-stretchable area
  • a gap is generated between the skin side sheet 22 and the wearer's skin, and the absorbent main body 2 is more likely to wrinkle or wrinkle.
  • the first separate sheet member 61 and the second separate sheet member 62 have a portion that overlaps the region where the absorber 21 is not provided, so that the rigidity of the region where the absorber 21 is not provided is increased. It is possible to improve the fit by suppressing the occurrence of wrinkles and wrinkles of the absorbent main body 2 when the diaper 1 is worn. Thereby, also on the external appearance of the diaper 1, a clean impression can be given.
  • the second separate sheet member 62 is provided on the non-skin side in the thickness direction with respect to the absorbent body 21.
  • the second separate sheet member 62 is provided between the absorbent body 21 and the non-skin side sheet 24, but is not limited thereto, and is provided at least on the non-skin side of the absorbent body 21. It only has to be.
  • the 1st separate sheet member 61 is also provided in the non-skin side rather than the absorber 21, similarly to the 2nd separate sheet member 62.
  • FIG. The detailed positional relationship between the first separate sheet member 61 and the second separate sheet member 62 will be described later.
  • the 1st separate sheet member 61 and the 2nd separate sheet member 62 are provided in the non-skin side rather than the absorber 21, as shown to FIG. 2A and FIG.
  • the body sheet member 61 and the second separate sheet member 62 may have a portion that overlaps the region where the absorber 21 is provided.
  • the first separate sheet member 61 and the second separate sheet member 62 are provided on the skin side of the absorbent body 21 (in the case of the second embodiment), the first separate sheet member 61 and It is desirable to arrange the second separate sheet member 62 so as not to overlap the region where the absorber 21 is provided. This is because the first separate sheet member 61 and the second separate sheet member 62 are interposed between the wearer's excretion opening and the absorber 21, thereby preventing smooth absorption of the liquid into the absorber 21. Because there is a possibility.
  • the 1st separate sheet member 61 and the 2nd separate sheet member 62 are provided in the non-skin side rather than the absorber 21, the 1st separate sheet member 61 and the 2nd separate sheet member 62 are provided.
  • the sheet member having a larger size so that rigidity is increased in a wider region of the absorbent main body 2, and the diaper 1 is worn. It is possible to improve the fit by further suppressing the occurrence of wobbling and wrinkles of the absorbent main body 2 at the time. Thereby, also on the external appearance of the diaper 1, a clearer impression can be given.
  • first separate sheet member 61 and the second separate sheet member 62 for example, a sheet member having good air permeability such as a nonwoven fabric can be used, and preferably a relatively high rigidity such as a spunbond nonwoven fabric or an SMS nonwoven fabric. A sheet member is preferable.
  • the 1st separate sheet member 61 and the 2nd separate sheet member 62 do not necessarily need to be a nonwoven fabric etc., and raise the rigidity of the area
  • each of the first separate sheet member 61 and the second separate sheet member 62 has a long side in the lateral direction of the diaper 1 in a planar state.
  • the rectangular shape has a short side in the longitudinal direction, and is arranged so as to overlap with the absorbent main body 2 and a part of the sheet member 3 (leg gather portion 32) in the thickness direction.
  • the widths in the short-side direction of the rectangular first separate sheet member 61 and the second separate sheet member 62 are adjusted so as not to overlap with the leg opening 4 when arranged.
  • the rectangular first separate sheet member 61 and second separate sheet member 62 are set such that the width in the long side direction is equal to the distance between the folding lines FL arranged in the horizontal direction.
  • the first separate sheet member 61 is integrally joined to the absorbent main body 2 and the sheet member 3 by a pair of first joining portions 51.
  • the first separate sheet member 61 is joined to the absorbent main body 2 and the sheet member 3 with an adhesive such as a hot-melt adhesive, and then the sheet member 3 is placed on the inner side in the horizontal direction at the folding line FL.
  • a pair of first joint portions 51 are formed.
  • the first joint portion 51 extends from the front end in the longitudinal direction of the absorbent main body 2 to the outer side in the lateral direction to the folding line FL.
  • the second separate sheet member 62 is also integrally joined to the absorbent main body 2 and the sheet member 3 by a pair of second joint portions 52 in the same manner as the first separate sheet member 61.
  • the second joint portion 52 extends from the rear end in the longitudinal direction of the absorbent main body 2 to the outer side in the lateral direction to the folding line FL.
  • the 1st junction part 51 and the 2nd junction part 52 are each shown with the dashed-dotted line.
  • Examples of the bonding method in the first bonding portion 51 and the second bonding portion 52 include known welding means such as thermal welding and ultrasonic welding, but are not limited thereto, and for example, an adhesive such as a hot melt adhesive is used. May be.
  • the first separate sheet member 61 and the second separate sheet member 62 are integrally joined to the absorbent main body 2, the belt part 31, and the leg gather part 32, respectively. What is necessary is just to be joined to the absorptive main body 2 and the belt part 31 integrally.
  • the first separate sheet member 61, the absorbent main body 2, and the belt portion 31 are joined together at the pair of first joining portions 51, so that the first contact sheet member 61, the absorbent main body 2, and the belt portion 31 are affected by contact with the skin and friction when the diaper 1 is worn.
  • the situation where the separate sheet member 61 is detached from the absorbent main body 2 is suppressed, and the rigidity of the region where the absorbent body 21 is not provided can be increased without being affected by such influence during wearing. It becomes possible.
  • the first separate sheet member 61, the absorbent main body 2, and the sheet member 3 are joined by the first joint portion 51, and the second separate sheet member 62, the absorbent main body 2, and the sheet member 3 are joined by the second joint portion 52.
  • 2A the portion extending outward in the lateral direction from the first joint 51 and the second joint 52 is cut along the first joint 51 and the second joint 52, so that FIG. A planar diaper 1 as shown is formed.
  • FIG. 4A and 4B are schematic plan views of the diaper 1.
  • FIG. 4A shows a case where the diaper 1 is viewed from the front
  • FIG. 4B shows a case where the diaper 1 is viewed from the rear. 4A and 4B, the absorber 21 is indicated by a broken line.
  • FIG. 5 is a schematic cross-sectional view when the diaper 1 is cut in the vertical direction.
  • the first separate sheet member 61 provided between the pair of first joint portions 51 on the front side (the wearer's stomach side) is an exterior sheet of the absorbent main body 2. 23 on the non-skin side.
  • the first separate sheet member 61 is provided with a color such as blue or red on the surface (the surface on the side exposed to the outside).
  • seat member 61 does not necessarily need to be colored on the said whole surface, and a pattern etc. may be given to others. That is, the first separate sheet member 61 only needs to be colored at least partially.
  • the second separate sheet member 62 provided between the pair of second joint portions 52 on the rear side (the wearer's back side) is the absorbent body of the absorbent main body 2. 21 and the non-skin side sheet 24. Accordingly, since the second separate sheet member 62 is not exposed to the outside, the second separate sheet member 62 does not stand out in appearance, and a more crisp impression of the diaper 1 can be given.
  • the second separate sheet member 62 is provided between the absorbent body 21 and the non-skin side sheet 24, but is not limited thereto, and for example, the exterior sheet 23 and the non-skin side sheet 24. It may be provided between.
  • the diaper 1 when the diaper 1 is seen from the front, in the area
  • the exterior sheet 23 of the absorbent main body 2 when the diaper 1 is viewed from behind, the exterior sheet 23 of the absorbent main body 2 can be confirmed in the region 52 a between the pair of second joint portions 52. As described above, this is because the second separate sheet member 62 is disposed inside the absorbent main body 2 (skin side with respect to the exterior sheet 23).
  • seat 23 is not colored and the pattern etc. are not given especially. That is, when the diaper 1 is viewed from the outside, the diaper 1 is in a state where the portions other than the first separate sheet member 61 are not colored.
  • the color of the region 51a between the pair of first joint portions 51 on the front side is different from the color of the region 52a between the pair of second joint portions 52 on the rear side. ing. Since the colored first separate sheet member 61 is provided on the non-skin side of the exterior sheet 23, the wearer can easily visually recognize the first separate sheet member 61 from the outside. When the diaper 1 is worn, it is possible to easily determine the diaper 1 in the front-rear direction using the color of the first separate sheet member 61 as a clue.
  • the white state is defined as “uncolored (uncolored) state”, and the color state other than white is “colored ( It can be understood as “colored state”.
  • applying a color includes, for example, a case where a white color is applied to a normal state of black (a color other than white).
  • region 51a between the horizontal directions of a pair of 1st junction part 51 in the front side differs from the color of the area
  • the first separate sheet member 61 provided on the non-skin side with respect to the exterior sheet 23 is not colored, and on the rear side, at least a region 52a between the lateral directions of the pair of second joint portions 52. It is also possible to color the exterior sheet 23.
  • the first separate sheet member 61 is not necessarily provided on the non-skin side of the exterior sheet 23.
  • the first separate sheet member 61 is provided between the absorber 21 and the exterior sheet 23.
  • the second separate sheet member 62 may be provided on the non-skin side with respect to the exterior sheet 23.
  • the exterior sheet 23 is not colored in the region 51a between the lateral directions of the pair of first joint portions 51, and on the rear side, at least a part of the second separate sheet member 62 is colored. It is also possible.
  • one of the first separate sheet member 61 and the second separate sheet member 62 is not necessarily provided on the non-skin side of the exterior sheet 23, and the other is between the absorber 21 and the exterior sheet 23.
  • each of the first separate sheet member 61 and the second separate sheet member 62 may be provided on the non-skin side of the exterior sheet 23.
  • the front-rear direction of the diaper 1 can be determined by coloring the color of the first separate sheet member 61 (for example, red) and the color of the second separate sheet member 62 (for example, blue) to different colors. it can.
  • each of the first separate sheet member 61 and the second separate sheet member 62 may be provided between the absorber 21 and the exterior sheet 23.
  • the color of the exterior sheet 23 in the region 51a between the lateral directions of the pair of first joint portions 51 is different from the color of the exterior sheet 23 in the region 52a between the lateral directions of the pair of second joint portions 52. By doing so, the front-rear direction of the diaper 1 can be determined.
  • At least one of the first separate sheet member 61 and the second separate sheet member 62 is provided on the non-skin side with respect to the exterior sheet 23. It is desirable that
  • the color and the rear of the region 51 a between the pair of first joint portions 51 on the front side are illustrated as examples of how to add a color for facilitating the determination of the front and rear direction of the diaper 1. If the color of the region 52a between the lateral directions of the pair of second joint portions 52 on the side is different, there is no particular limitation on the coloring method.
  • FIG. 6A and 6B show a diaper according to the second embodiment
  • FIG. 6A is a plan development view showing a developed state of the diaper during the manufacturing process
  • FIG. 6B is a cross-sectional view taken along line VIB-VIB in FIG. 6A
  • FIG. 7 is a schematic cross-sectional view when the diaper according to the second embodiment is cut in the vertical direction.
  • the configuration of the first separate sheet member 63 and the second separate sheet member 64 is the first separate sheet member 61 and the second separate sheet member 62 of the diaper 1 according to the first embodiment. Unlike other configurations, the other configurations are the same.
  • the first separate sheet member 63 and the second separate sheet member 64 are provided on the skin side with respect to the absorbent body 21. Specifically, as shown in FIGS. 6B and 7, the first separate sheet member 63 and the second separate sheet member 64 are provided on the skin side further than the skin side sheet 22. That is, when the wearer wears a diaper, the first separate sheet member 63 and the second separate sheet member 64 come into contact with the wearer's skin.
  • the 1st separate sheet member 63 and the 2nd separate sheet member 64 are provided in the skin side rather than the absorber 21, as shown to FIG. 6A, the 1st separate sheet member 63 and the 1st Each of the two separate sheet members 64 needs to be arranged so as not to overlap the region of the absorbent main body 2 where the absorber 21 is provided.
  • seat member 64 do not interpose between a wearer's excretion opening
  • the first separate sheet member 63 has a non-joining portion 632 that is not joined to the absorbent main body 2 at the lower end in the vertical direction and a joint portion 631 that is joined to the absorbent main body 2 is non-joined. They are respectively provided above the joints 632.
  • the second separate sheet member 64 has the non-joining portion 642 on the lower end side in the longitudinal direction and the joining portion 641 on the upper side of the non-joining portion 642. Yes.
  • the joining parts 631 and 641 are joined to the absorbent main body 2 by applying an adhesive such as a hot-melt adhesive in a stripe shape.
  • a space 632 a that opens downward in the vertical direction is formed between the non-joining portion 632 of the first separate sheet member 63 and the skin-side sheet 22 (absorbent body 2). Between the non-joining part 642 of the two separate sheet
  • the space 632a is provided between the non-joining portion 632 of the first separate sheet member 63 and the absorbent main body 2, and the space 632a is provided between the non-joining portion 642 of the second separate sheet member 64 and the absorbent main body 2. Since the spaces 642a are respectively formed, the liquid such as urine transmitted along the skin side surface of the skin side sheet 22 along the longitudinal direction of the absorbent main body 2 can be received by the spaces 632a and 642a. Leakage can be suppressed. In this case, it is more preferable that the first separate sheet member 63 and the second separate sheet member 64 are sheet members that do not easily transmit liquid.
  • the longitudinal end portion 73 of the absorbent pad 7 is disposed in the space 632a.
  • the other end portion 74 can be accommodated in the space 642a, there is no need to separately provide an accommodating space for accommodating the absorbent pad 7. That is, it is possible to apply a separate absorbent pad 7 to the diaper according to the present embodiment.
  • the rubber thread 632b extends to the non-joining portion 632 of the first separate sheet member 63, and the rubber thread 632b extends to the non-joining portion 642 of the second separate sheet member 64, respectively. It may be joined in the state which was done.
  • the rubber threads 632b and 642b are indicated by broken lines.
  • it does not necessarily need to be a rubber thread, and there is no restriction
  • the thread rubber 632b is joined to the non-joining part 632 of the first separate sheet member 63, and the thread rubber 642b is joined to the non-joining part 642 of the second separate sheet member 64, whereby the first separate sheet member 63, the non-joining portion 632 of the second separate sheet member 64 and the non-joining portion 642 of the second separate sheet member 64 contract in the lateral direction, respectively, and a space between the one end portion 73 of the absorbent pad 7 accommodated in the space 632a, and the space 642a A gap between the other end 74 of the absorbent pad 7 accommodated therein is filled. Thereby, it is possible to prevent the one end portion 73 and the other end portion 74 of the absorbent pad 7 from falling out of the spaces 632a and 642a.
  • FIG. 8 is a schematic cross-sectional view when the diaper according to the third embodiment is cut in the vertical direction.
  • the positional relationship between the first separate sheet member 63 and the second separate sheet member 64 is such that the first separate sheet member 61 and the second separate sheet member of the diaper 1 according to the first embodiment.
  • the other configurations are the same.
  • FIG. 8 about the component which is common in what was demonstrated about the diaper 1 which concerns on 1st Embodiment, the same code
  • the first separate sheet member 65 is provided on the non-skin side with respect to the absorbent body 21, and the second separate sheet member 66 is provided on the skin side with respect to the absorbent body 21.
  • the first separate sheet member 65 is provided on the non-skin side further than the exterior sheet 23, and the second separate sheet member 66 is further on the skin side than the skin side sheet 22. Is provided.
  • the 1st separate sheet member 65 may be provided in the skin side rather than the absorber 21, and the 2nd separate sheet member 66 may be provided in the non-skin side rather than the absorber 21 in addition. That is, one of the first separate sheet member 65 on the front side and the second separate sheet member 66 on the rear side is provided on the non-skin side with respect to the absorbent body 21, and the other is on the skin side with respect to the absorbent body 21. As long as it is provided.
  • the first separate sheet member 65 is provided on the non-skin side with respect to the exterior sheet 23 in a state where at least a part is colored. Therefore, when the diaper according to the present embodiment is viewed from the front, the wearer can confirm the colored first separate sheet member 65, and when the diaper is viewed from the rear, the wearer is colored.
  • seat 23 which is not made can be confirmed. That is, also for the diaper according to the present embodiment, similarly to the diaper 1 according to the first embodiment, the color of the region 51a between the pair of first joint portions 51 on the front side and the pair of first on the rear side. The color of the region 52a between the two joint portions 52 in the lateral direction is different.
  • the diaper which concerns on this embodiment, a wearer is the 1st separate sheet
  • the member 65 can be easily visually recognized, and when the diaper is worn, the color of the first separate sheet member 65 can be used as a clue to easily determine the front and rear direction of the diaper.

Landscapes

  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2016/055157 2015-06-26 2016-02-23 吸収性物品 WO2016208217A1 (ja)

Priority Applications (2)

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JP2015128307A JP6220819B2 (ja) 2015-06-26 2015-06-26 吸収性物品

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JP6201030B1 (ja) * 2016-05-23 2017-09-20 ユニ・チャーム株式会社 吸収性物品

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09290003A (ja) * 1996-02-26 1997-11-11 Hakujiyuuji Kk 使い捨ておむつ
JP2004254862A (ja) * 2003-02-25 2004-09-16 Kao Corp パンツ型吸収性物品及びその製造方法
JP2004298362A (ja) * 2003-03-31 2004-10-28 Kao Corp 吸収性物品及びその製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU671261B2 (en) 1992-10-27 1996-08-22 Procter & Gamble Far East, Inc. Disposable diaper with fully elasticized waist opening
JP2005000537A (ja) * 2003-06-13 2005-01-06 Daio Paper Corp 水遊び用パンツ型おむつ
JP4996508B2 (ja) * 2008-03-06 2012-08-08 王子ネピア株式会社 吸収性物品
JP5942040B1 (ja) * 2014-12-26 2016-06-29 ユニ・チャーム株式会社 使い捨ておむつ

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09290003A (ja) * 1996-02-26 1997-11-11 Hakujiyuuji Kk 使い捨ておむつ
JP2004254862A (ja) * 2003-02-25 2004-09-16 Kao Corp パンツ型吸収性物品及びその製造方法
JP2004298362A (ja) * 2003-03-31 2004-10-28 Kao Corp 吸収性物品及びその製造方法

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CN107708631A (zh) 2018-02-16
KR101847797B1 (ko) 2018-04-10
JP2017006576A (ja) 2017-01-12
JP6220819B2 (ja) 2017-10-25
TW201701847A (zh) 2017-01-16
KR20180006984A (ko) 2018-01-19
TWI702946B (zh) 2020-09-01

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