WO2013047152A1 - Couche jetable - Google Patents

Couche jetable Download PDF

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Publication number
WO2013047152A1
WO2013047152A1 PCT/JP2012/072876 JP2012072876W WO2013047152A1 WO 2013047152 A1 WO2013047152 A1 WO 2013047152A1 JP 2012072876 W JP2012072876 W JP 2012072876W WO 2013047152 A1 WO2013047152 A1 WO 2013047152A1
Authority
WO
WIPO (PCT)
Prior art keywords
diaper
stretchable
fastening member
sheet
wide portion
Prior art date
Application number
PCT/JP2012/072876
Other languages
English (en)
Japanese (ja)
Inventor
美奈 富田
茂人 柳原
Original Assignee
花王株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 花王株式会社 filed Critical 花王株式会社
Priority to CN201280042934.0A priority Critical patent/CN103781451B/zh
Publication of WO2013047152A1 publication Critical patent/WO2013047152A1/fr

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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
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49014—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers
    • A61F13/515—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 characterised by the interconnection of the topsheet and the backsheet
    • 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
    • A61F13/53—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 absorbing medium
    • A61F13/539—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 absorbing medium characterised by the connection of the absorbent layers with each other or with 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
    • A61F13/56—Supporting or fastening means
    • A61F13/5622—Supporting or fastening means specially adapted for diapers or the like
    • A61F13/5633—Supporting or fastening means specially adapted for diapers or the like open type diaper
    • A61F13/5638—Supporting or fastening means specially adapted for diapers or the like open type diaper adjustable open type 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
    • A61F13/56—Supporting or fastening means
    • A61F2013/5683—Disposition or arrangement

Definitions

  • the present invention relates to a disposable diaper.
  • a deployable disposable diaper having a fastening region for fastening the fastening portion is widely known.
  • a deployable disposable diaper a belt hole whose insertion direction is the diaper width direction is formed on the outer surface of the back side portion of the diaper body, and the elastic expansion and contraction in the longitudinal direction is passed through the belt hole.
  • the waist belt is provided, and at both ends in the longitudinal direction of the waist belt, a locking portion that can be locked with the outer surface of the ventral side portion of the diaper body is described.
  • Patent Document 2 as a deployable disposable diaper, an expansion / contraction part is provided on a part of a fastening member, and a large part of the fastening member is accommodated in an accommodation part provided on a back side part of a diaper main body.
  • the fastening portion of the fastening member is pulled out to be fastened to the adherent region of the abdominal side.
  • the waist belt in Patent Document 1 is such that, while wearing a diaper, the stretchable portions are pulled out from both side edges of the diaper body and come into contact with other parts of the diaper or clothing worn over the diaper. Due to friction with the wearer, etc., the stretchability is lowered, and sufficient followability with respect to the wearer's waist circumference cannot be obtained. Further, the presence of the belt hole causes inconveniences such as the appearance of the diaper being deteriorated and the belt hole being easily caught on other things.
  • the length of the diaper longitudinal direction is equal in the substantially whole length, and the length of the same direction of the drawer outlet of a fastening member is comparable as a fastening member in the disposable diaper of patent document 2, it is fastening.
  • the expansion / contraction part of the fastening member is necked in, so that the above-mentioned drawer opening is greatly opened in the thickness direction of the diaper, the appearance of the diaper is deteriorated, or the opened drawer opening is other There are inconveniences such as being easily caught on things.
  • neck-in means that the dimension of the direction orthogonal to the expansion
  • the present invention relates to a disposable diaper that is excellent in followability to a wearer's abdominal circumference change, excellent in fit to the wearer's waist, and excellent in appearance and wearability.
  • the present invention provides a disposable diaper having a fastening member having a fastening portion on both sides of a back side portion of a diaper main body.
  • the fastening member includes a base end portion fixed to the diaper body, a stretchable wide portion housed in a housing portion formed in the diaper body, and a length of the diaper longitudinal direction shorter than the stretchable wide portion. And a grip portion.
  • the stretchable wide portion can be stretched in the diaper width direction within the housing portion, and the gripping portion has the fastening portion at a portion extending from the housing portion.
  • the accommodating portion has a fastening member lead-out port whose length in the diaper longitudinal direction is shorter than the stretchable wide portion at an end portion on the outer side in the diaper width direction, and the grip portion is inserted into the fastening member lead-out port. Has been.
  • FIG. 1 is a top view showing the disposable diaper of a 1st embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a disposition portion of the fastening member in the disposable diaper of FIG. 1 with a sheet covering the fastening member omitted.
  • 3A is a cross-sectional view taken along a line II in FIG. 2
  • FIG. 3B is a cross-sectional view taken along a line II-II in FIG.
  • It is a figure (figure 2 equivalent figure) which shows a state where a fastening member was pulled and a stretchable wide part contacted a portion located up and down of a fastening member drawer opening.
  • FIG. 5 is a view showing another example of the fastening member.
  • FIG. 1 is a top view showing the disposable diaper of a 1st embodiment of the present invention.
  • FIG. 2 is a diagram illustrating a disposition portion of the fastening member in the disposable diaper of FIG. 1 with a sheet covering the fastening member
  • FIG. 6 is a plan view showing a disposable diaper according to a second embodiment of the present invention.
  • FIG. 7 (a) to FIG. 7 (c) are explanatory views of a preferred method for manufacturing the disposable diaper of the second embodiment.
  • Fig.8 (a) is a top view which shows the disposable diaper of 3rd Embodiment of this invention
  • FIG.8 (b) is a top view which shows the disposable diaper of 4th Embodiment of this invention.
  • FIG. 9 is a cross-sectional view corresponding to FIG. 3A of the third and fourth embodiments.
  • FIG. 10 is a plan view showing a fastening member and its vicinity according to another embodiment of the present invention.
  • the disposable diaper 1 of 1st Embodiment of this invention has the fastening members 3 and 3 provided with the fastening part 31 in the both sides of the back side part A of the diaper main body 2, as shown in FIG.
  • the ventral side portion B of the diaper main body 2 there is a to-be-attached region 4 for fastening the fastening portion 31.
  • the diaper main body 2 includes a liquid-permeable top sheet 21, a liquid-impermeable or water-repellent back sheet 22, and a liquid-holding absorber 23 interposed between the two sheets 21 and 22. And a pair of three-dimensional guard forming sheets 24, 24 arranged partially on the top sheet 21 on both sides of the top sheet 21.
  • the three-dimensional guard forming sheet 24 is fixed to both side portions of the top sheet 21 and the back sheet 22 extending from both side edges of the top sheet. Both side edges (not shown) of the topsheet 21 are located in the vicinity of both side edges of the absorber 23 and extend along the longitudinal direction X of the diaper 1.
  • Each of the three-dimensional guard forming sheets 24 has an elastic member 25 for forming a three-dimensional guard fixed in an extended state along the side edge in the vicinity of the side edge on the longitudinal center line CL side of the diaper 1.
  • elastic members 26 for forming leg gathers are disposed in portions disposed around the legs on both sides in the longitudinal direction of the diaper main body 2. When the diaper is worn, leg gathers are formed by the contraction of the elastic member 26, and a good fit is obtained around the legs.
  • the back side portion A of the diaper main body 2 is a portion arranged on the back side of the wearer when the diaper is worn, and the ventral side portion B of the diaper main body 2 is arranged on the belly side of the wearer when wearing the diaper.
  • the crotch part C of the diaper main body 2 is a part located between the back part A and the abdomen part B in the state which expanded the diaper in planar shape.
  • the longitudinal direction X of the diaper is a direction from the back side part A to the abdomen part B through the crotch part C, and the width direction Y of the diaper is a direction intersecting the longitudinal direction X of the diaper.
  • the diaper 1 includes a diaper main body 2 and a pair of fastening members 3 and 3.
  • the diaper 1 of the first embodiment is formed symmetrically with respect to the longitudinal center line CL as shown in FIG. Therefore, in the following description, the right side fastening member and the surrounding structure in FIG. 1 will be mainly described, but the left side fastening member and the surrounding structure also have the same structure except that it is bilaterally symmetric. ing.
  • the fastening member 3 includes a base end portion 32 fixed to the diaper body 2, a stretchable wide portion 33 housed in the housing portion 5 formed in the diaper body 2, and It has a gripping portion 37 that is shorter than the stretchable wide portion 33 in the diaper longitudinal direction.
  • the base end portion 32, the stretchable wide portion 33, and the grip portion 37 are formed in this order from the inner side (longitudinal direction center line CL side) in the diaper width direction Y to the outer side.
  • the base end portion 32 of the fastening member 3 is fixed via an adhesive 51 between the two sheets 24 and 22 constituting the diaper main body as shown in FIG.
  • the base end portion 32 in the present embodiment is composed of a base end portion forming sheet 32a and a part of a sheet-like stretchable member 35a joined to the end portion of the sheet 32a.
  • the base end portion forming sheet 32a may be fixed between the two sheets 24 and 22 constituting the diaper main body to form the base end portion 32, or the base end portion forming sheet 32a exists.
  • a part of the sheet-like stretchable member 35a may be fixed between the two sheets 24 and 22 constituting the diaper main body to constitute the base end portion 32.
  • the stretchable wide portion 33 of the fastening member 3 includes a stretchable portion 35 made of a sheet-like stretchable member 35a as shown in FIG.
  • the sheet-like stretchable member 35 a has stretchability in the width direction Y of the diaper 1, whereby the stretchable portion 35 and the stretchable wide portion 33 also have stretchability in the width direction Y of the diaper 1.
  • the term “wide” in the term stretchable wide portion 33 means that the stretchable wide portion 33 is wide in relation to the grip portion 37.
  • the width is the length in the direction along the diaper longitudinal direction X in the fastening member 3. Therefore, the stretchable wide portion 33 is wider than the gripping portion 37 means that the length L1 (see FIG.
  • the stretchable wide portion 33 in the diaper longitudinal direction is the length L2 of the gripping portion 37 in the diaper longitudinal direction (see FIG. 2). (See) is synonymous with longer.
  • the stretchable wide portion 33 protrudes above the upper edge 37u of the gripping portion 37, An upper projecting portion 36u that abuts an upper fixing portion 53u for forming a drawer opening, which will be described later, and a lower projecting section 36d that projects downward from a lower edge portion 37d of the gripping portion 37, and a lower fixing portion 53d for forming a drawer opening, which will be described later. Is formed.
  • the stretchable wide part 33 is accommodated in the accommodating part 5 formed in the diaper main body 2.
  • the accommodating portion 5 in the present embodiment is formed by an adhesive 51 around a rectangular region that serves as the accommodating portion 5 between the two sheets 24 and 22 constituting the diaper main body.
  • the rectangular region is formed by not joining between the sheets 24 and 22 and between the fastening member 3 and the sheets 24 and 22.
  • the accommodating portion 5 has a fastening member outlet 52 whose length in the diaper longitudinal direction is shorter than that of the stretchable wide portion 33 at the end on the outer side in the diaper width direction.
  • the fastening member 52 has a length L3 in the longitudinal direction of the diaper (see FIG.
  • the end of the sheet-like stretchable member 35a on the inner side in the diaper width direction has a base.
  • the edge part of the edge part formation sheet 32a is joined by the well-known joining method (Adhesive, heat sealing
  • the end of the grip-forming sheet 37a is connected to the end of the sheet-like stretchable member 35a on the outer side in the diaper width direction (right side in FIGS. 2 and 3) by a known joining method (adhesive, heat fusion). , Their combination, etc.).
  • the end portion of the grip portion forming sheet 37a has a length in the diaper longitudinal direction that is longer than the length in the same direction of the grip portion 37 and is substantially equal to the length in the same direction of the stretchable wide portion 33. It has become.
  • the gripping portion 37 of the fastening member 3 is inserted through the outlet 52 of the fastening member 3 as shown in FIG. Further, the gripping portion 37 has a fastening portion 31 at a portion extending from the housing portion 5. As shown in FIG. 3, the fastening part 31 joins the male member 31a of the mechanical hook-and-loop fastener to the grip part forming sheet 37a by a known joining method (adhesive, heat fusion, combination thereof, etc.). Is formed by.
  • the female member of the mechanical hook-and-loop fastener is bonded to the surface on the back sheet side of the belly side portion B of the diaper main body 2 by a known bonding method (adhesive, thermal fusion, combined use thereof, etc.), thereby The to-be-attached area
  • the gripping portion 37 of the fastening member 3 shown in FIG. 2 has a substantially uniform length in the longitudinal direction of the diaper over a substantially entire region extending from the portion adjacent to the stretchable wide portion 33 to the tip 37t, as shown in FIG.
  • the length of the gripper 37 in the longitudinal direction of the diaper may be increased toward the tip 37t.
  • the gripping portion 37 extends from the stretchable wide portion 33 to the drawer opening 52. It is preferable that the length of the diaper in the longitudinal direction of the range is substantially uniform from the viewpoint of the stretchability of the stretchable wide portion 33 and the stability when the fastening member 3 is pulled out.
  • the length L2 of the gripper 37 in the diaper longitudinal direction when the width of the gripper 37 (length in the diaper longitudinal direction) varies in the diaper width direction is the width of the fastening member outlet port 52.
  • the back side portion A of the diaper main body 2 is applied to the wearer's back side
  • the abdomen side portion B is applied to the wearer's abdomen side
  • the gripping portion 37 of the fastening member 3 is attached.
  • the fastening portions 31 of the fastening members 3, 3 on both the left and right sides are fastened and attached to the fastening region 4 provided on the outer surface of the abdominal part B.
  • the fastening member 3 is in a state in which the stretchable wide portion 33 is appropriately extended.
  • the stretchable wide portion 33 extends greatly.
  • the portions 36u and 36d extending up and down from the gripping portion 37 in the stretchable wide portion 33 abut against the portions 53u and 53d positioned above and below the fastening member lead-out port 52, respectively, and the stretchable wide portion 33 is fastened to the fastening member lead-out port. It is prevented from being pulled out from 52. Therefore, the stretchable wide portion 33 freely stretches in the housing portion 5 in the diaper main body without hindering stretchability due to friction.
  • the stretchable wide portion 33 is not external to the housing portion 5, the portions 36u and 36d extending up and down from the gripping portion 37 in the stretchable wide portion 33 touch the skin to wearers, parents, caregivers, etc. There is no discomfort.
  • the length L3 of the fastening member lead-out port 52 is shorter than the length L1 of the stretchable wide portion 33, and the fastening portion 37 of the fastening member 3 having the same width as the lead-out port 52 is inserted into the fastening member lead-out port 52. Therefore, even when the fastening member 3 is pulled and the wide elastic portion 33 is necked in, the drawer opening 52 is prevented from being greatly opened in the thickness direction of the diaper 1. For this reason, it is possible to prevent inconveniences such as deterioration of the appearance of the diaper due to the opening of the drawer opening 52 being large, and the drawer opening being easily caught by other objects.
  • the grip portion 37 is inserted into the fastening member pull-out port 52 having a length in the diaper longitudinal direction shorter than that of the stretchable wide portion 33, the portion extending from the pull-out port 52 in the grip portion 37 is less likely to be unstable and stable. High nature. Therefore, it is possible to quickly hold the fastening member 3 by hand, fasten the fastening portion 31 of the fastening member 3 to the secured region 4, etc., which is preferable from the viewpoint of easy mounting.
  • the fastening member outlet 52 having a shorter length in the diaper longitudinal direction than the stretchable wide portion 33 constitutes a diaper main body 2 as shown in FIG. 2 and FIG. It is formed by joining the sheets 24 and 22 on both sides sandwiching the grip portion 37. By this joining, the above-described upper fixing portion 53u and lower fixing portion 53d are formed on both upper and lower sides sandwiching the grip portion 37.
  • the adhesive 53 may be used for joining the sheets 24 and 22.
  • the sheets 24 and 22 may be joined by thermal fusion or bonding. Adhesives and heat fusion can be used in combination, such as dot-shaped heat embossing on the joints made of the agent 53.
  • the upper fixing portion 53u and the lower fixing portion 53d are brought into contact with the portions 36u and 36d protruding vertically from the grip portion 37 in the stretchable wide portion 33.
  • the stretchable wide portion 33 is more reliably prevented from being exposed from the fastening member pull-out port 52.
  • the edge part expanded to the diaper longitudinal direction of the holding part formation sheet 37a is joined to the edge part of the diaper width direction outer side of the sheet-like elastic member 35a. . Therefore, the rigidity of the portions 36u and 36d extending up and down from the gripping portion 37 in the stretchable wide portion 33 is increased, and it is difficult to be deformed when hitting the portions 53u and 53d positioned above and below the fastening member outlet 52.
  • the stretchable wide portion 33 is more reliably prevented from being exposed from the fastening member outlet 52.
  • the length L2 (see FIG. 2) of the grip portion 37 in the diaper longitudinal direction is the length of the stretchable wide portion 33 in the diaper longitudinal direction.
  • L1 see FIG. 2
  • the length of the diaper longitudinal direction of each of the overhang portions 36u and 36d projecting up and down from the upper edge portion 37u or the lower edge portion 37d of the gripping portion 37 in the stretchable wide portion 33 is the longitudinal direction of the diaper of the stretchable wide portion 33. Is preferably 15% or more, more preferably 25% or more, and preferably 35% or less, more preferably 30% or less, for example, 15 to 35%. In particular, it is preferably 25 to 30%.
  • the length L1 (see FIG. 2) of the stretchable wide portion 33, particularly the stretchable portion 35 in the diaper longitudinal direction is preferably 30 mm or more, more preferably 40 mm. In addition, it is preferably 120 mm or less, more preferably 60 mm or less, for example, 30 to 120 mm, and particularly preferably 40 to 60 mm.
  • the length L4 (see FIG. 2) of the stretchable portion 35 in the diaper width direction is preferably 20 mm or more, more preferably 30 mm or more, and preferably 100 mm or less, more preferably 60 mm or less. For example, 20 to 100 mm, particularly 30 to 60 mm is preferable.
  • the length L5 between the stretchable wide portion 33 and the upper fixing portion 53u and the lower fixing portion 53d is preferably 30 mm or more, more preferably 40 mm or more, and preferably It is preferably 70 mm or less, more preferably 60 mm or less, for example, 30 to 70 mm, particularly preferably 40 to 60 mm.
  • the length L5 is preferably 30% or more, more preferably 40% or more of the length L6 of the housing part 5 in the diaper width direction, preferably 70 mm or less, more preferably 60 mm or less. , 30 to 70%, particularly 40 to 60% is preferable.
  • the stretching force of the fastening member 3 is preferably 0.5 N or more, more preferably 1.0 N or more when the stretchable wide portion 33 is 100% extended. Moreover, it is preferably 3.5N or less, more preferably 2.5N or less, for example, 0.5N to 3.5N, preferably 1.0N to 2.5N.
  • the stretching force of the fastening member 3 is measured by the following method.
  • the length L7 (see FIG. 2) of the gripping part 37 protruding from the outlet 52 is preferably 25 mm or more, more preferably 35 mm or more, and preferably 50 mm or less, more preferably 45 mm or less. For example, it is preferably 25 to 50 mm, particularly preferably 35 to 45 mm.
  • Each of the above lengths is measured in a state before the diaper 1 is attached to the wearer (a diaper natural state in which the stretchable wide portion 33 is not extended, see FIG. 2).
  • each part of the disposable diaper 1 will be described.
  • various sheet-like stretchable members conventionally used for absorbent articles such as disposable diapers can be used without particular limitation.
  • JP 2008-179128 A The stretchable sheet described in Japanese Patent Application Laid-Open No. 2007-138374 can be used.
  • Particularly preferable is a flat shape even in a contracted state, for example, a stretchable fiber layer bonded to both surfaces of an intermediate layer made of an elastomer material.
  • the intermediate layer made of an elastomer material examples include a film made of an elastomer material, a net, a mat-like material of a thread-like body (elastic yarn), and a plurality of thread-like or string-like bodies arranged in parallel.
  • the stretchable fiber layer to be bonded to the intermediate layer may be a nonwoven fabric or other fiber sheet formed from synthetic fibers such as polyethylene, polypropylene, polyester, polyamide, etc. (preferably a thermoplastic fiber or a composite fiber composed of a plurality of components). And the like, and a method of bonding them to the intermediate layer includes heat fusion.
  • the elastomer material examples include thermoplastic elastomers such as styrene elastomers, polyolefin elastomers, polyester elastomers, and polyurethane elastomers, and natural rubber.
  • thermoplastic elastomers such as styrene elastomers, polyolefin elastomers, polyester elastomers, and polyurethane elastomers, and natural rubber.
  • a method for imparting extensibility to a nonwoven fabric and the like include formation of holes and slits, partial breakage due to stretching, and the like. These processes, particularly partial breakage due to stretching, may be performed after bonding to the intermediate layer.
  • various kinds of materials conventionally used for a base material of a fastening tape can be used.
  • various nonwoven fabrics, resin films, nonwoven fabrics and resin films And the like can be used.
  • the top sheet 21, the back sheet 22, the three-dimensional guard forming sheet 24, the elastic members 25, 26, and the like various kinds of conventionally used absorbent articles such as disposable diapers can be used without particular limitation.
  • the surface sheet 21 is a liquid-permeable nonwoven fabric or an apertured film produced by various manufacturing methods
  • the back sheet 22 is a moisture-permeable or moisture-impermeable resin film, a water-repellent nonwoven fabric, or a laminate of a nonwoven fabric and a resin film.
  • Etc. As the absorbent body 23, a fiber aggregate made of a fiber material such as pulverized pulp or an absorbent core made by holding particles of a highly water-absorbing polymer, etc., and a core wrap sheet made of tissue paper, a water-permeable nonwoven fabric, etc. What is coated with can be used.
  • disposable diapers according to second to fourth embodiments of the present invention will be described.
  • a different point from the diaper 1 of 1st Embodiment is demonstrated,
  • symbol is attached
  • the points that are not particularly described in the second to fourth embodiments are the same as those in the first embodiment.
  • a coating agent 34 for reducing the adhesive force with the sheet 22 constituting the diaper main body is applied to the stretchable wide portion 33.
  • the coating agent 34 By applying the coating agent 34 to the stretchable wide portion 33, even if the adhesive 51 is applied to the sheet 22 in contact with the stretchable wide portion 33, the space between the sheet 22 and the stretchable wide portion 33. It is possible to prevent the sheet 22 and the stretchable wide portion 33 from being easily released by preventing the adhesive member from being adhered, or by pulling the fastening member 3A.
  • the diaper of the second embodiment can be efficiently manufactured by the method shown in FIGS. 7 (a) to 7 (c), for example.
  • the adhesive 51 is continuously applied to the back sheet 22 in the direction X ′ corresponding to the longitudinal direction of the diaper, as shown in FIG. 7C.
  • the coating step as shown in FIG. 7 (b), the fastening member 3A in which the coating agent 34 (see FIG. 6) is coated on the surface of the stretchable wide portion 33 on the sheet 22 side is coated with the coating.
  • the coating agent 34 see FIG. 6
  • the fastening member 3 ⁇ / b> A in the diaper of the second embodiment is exposed from the fastening member pull-out port 52 positioned at the side edge of the diaper main body 2 by the stretchable wide portion 33 abutting against the fused portion 54. There is nothing to do.
  • the coating agent 34 silicone oil, petrolatum or the like can be used.
  • the diaper of the third embodiment has a plan view shape shown in FIG. 8 (a), and the diaper of the fourth embodiment has a plan view shape shown in FIG. 8 (b).
  • the proximal end portion 32 of the fastening member 3 is fixed between the absorber 23 and the back sheet 22 with an adhesive 51 interposed therebetween.
  • the stretchable wide portion 33 By disposing the stretchable wide portion 33 at a position overlapping the absorbent body 23, the absorbent body 23 can be more surely placed along the wearer's body, and the performance of preventing excrement leakage is improved.
  • the stretchable wide portion 33 particularly the stretchable member 35a of the stretchable wide portion 33
  • wrinkles may occur in the absorbent body 23 even when the stretchable member is stretched.
  • deterioration of wearing feeling and excrement leakage can be suppressed.
  • the accommodating portion 5 is formed between the top sheet 21 extending from the peripheral edge of the absorber 23 and the three-dimensional guard forming sheet 24, but in the third and fourth embodiments.
  • the accommodating portion 5 is formed between the back sheet 22 and the absorber 23, the top sheet 21, and the three-dimensional guard forming sheet 24 facing the back sheet 22.
  • the stretchable wide portion 33 of the fastening member is colored.
  • Coloring is coloring which makes it possible to visually recognize the presence of the stretchable wide portion 33, particularly the presence of the stretchable portion 35, from the inner surface or the outer surface side of the diaper. Coloring may be performed only on the stretchable portion 35 of the stretchable wide portion 33, or may be performed on either the inner surface of the stretchable wide portion 33 or the outer surface of the diaper. Further, the coloring is preferably performed in a chromatic color such as red, blue, green, pink or purple.
  • the stretchable wide portion 33 instead of coloring the stretchable wide portion 33 or coloring the stretchable wide portion 33, the stretchable wide portion 33 (particularly the stretchable portion 35) or a sheet overlapping the stretchable wide portion 33 (for example, three-dimensional It is also preferable to display a graphic or symbol that visually recognizes the presence of the stretchable wide portion 33 on the guard forming sheet 24, the back sheet 22), and the like.
  • the figure or symbol that visually recognizes the presence of the stretchable wide portion 33 is sufficient if it recognizes the presence of a member that stretches and does not need to be recognized as wide.
  • FIG. 10 shows an example in which three arrows are displayed by printing on the inner surface of the diaper of the expansion / contraction part 35, and the three arrows are visible from the inner surface of the diaper through the sheet 24 covering the expansion / contraction part 35. It is.
  • the graphic or symbol for visually recognizing the presence of the stretchable wide portion 33 is not displayed on the inner diaper surface of the stretchable wide portion 33, but instead the outer surface side of the stretchable wide portion 33. Or may be displayed on the sheet 24 covering the inner surface of the elastic wide portion 33 or the sheet 22 covering the outer surface of the elastic wide portion 33. .
  • the graphic or symbol that visually recognizes the presence of the stretchable wide portion 33 indicates the stretch direction of the stretchable wide portion 33 (particularly the stretchable portion 35), as shown by the three arrows shown in FIG. It is preferable that the length of the stretchable wide portion 33 (especially the stretchable portion 35) in the longitudinal direction of the diaper is estimated.
  • the parent or caregiver can When the diaper is worn by the wearer, it becomes easy to recognize that the fastening tape expands and contracts, and the operability when worn and the fit when worn are improved.
  • region 4 which fixes the fastening part 31 which consists of a male member of a mechanical hook-and-loop fastener forms the whole outer surface or part of a diaper main body from the nonwoven fabric which is rich in engagement property
  • the whole nonwoven fabric Alternatively, a part may be used as the attachment region 4.
  • it can replace with forming the fastening part 31 from the male member of a mechanical hook-and-loop fastener, and can also provide the fastening part 31 which consists of an adhesive.
  • the sheet covering the surface of the fastening member on the inner surface of the diaper may be a liquid-permeable surface sheet.
  • the entire area of the inner surface side of the diaper main body may be made of a liquid-permeable surface sheet, and a fastening member housing portion may be formed between the surface sheet and the back sheet.
  • the two sheets sandwiching the fastening member can be any sheet constituting a part other than the fastening member (diaper body) in the conventional diaper.
  • an elastic member 25 for standing is used as a sheet that is partially overlapped and joined to the side portion of the surface sheet 21 to enhance the leakage prevention from the side of the diaper. You may have the side sheet which does not have.
  • the stretchable wide part may be the stretchable part in the entire region.
  • the grip portion forming sheet 37a may not have a wide portion in which the dimension in the longitudinal direction of the diaper is expanded at the connecting portion with the sheet-like stretchable member 35a.
  • a disposable diaper having a fastening member having a fastening portion on both sides of the back side portion of the diaper main body,
  • the fastening member includes a base end portion fixed to the diaper body, a stretchable wide portion housed in a housing portion formed in the diaper body, and a length of the diaper longitudinal direction shorter than the stretchable wide portion.
  • the stretchable wide portion can be stretched in the diaper width direction in the housing portion, and the gripping portion has the fastening portion in a portion extending from the housing portion,
  • the accommodating portion has a fastening member lead-out port whose length in the diaper longitudinal direction is shorter than the stretchable wide portion at an end portion on the outer side in the diaper width direction, and the grip portion is inserted into the fastening member lead-out port.
  • Disposable diapers that have been. ⁇ 2> The disposable diaper according to ⁇ 1>, wherein the fastening member outlet is formed by joining two sheets constituting the diaper main body on both sides sandwiching the grip portion.
  • ⁇ 3> The disposable diaper according to ⁇ 1> or ⁇ 2>, wherein the two sheets are joined by heat fusion on both sides sandwiching the grip portion.
  • ⁇ 4> The two sheets are described in ⁇ 3> or ⁇ 4>, wherein the two sheets are bonded by an adhesive and heat fusion, and a dot-shaped hot embossing is applied to a bonding portion by the adhesive.
  • Disposable diapers ⁇ 5> The disposable diaper according to any one of ⁇ 1> to ⁇ 4>, wherein a coating agent that reduces an adhesive force with the sheet constituting the diaper main body is applied to the stretchable wide portion.
  • ⁇ 6> In any one of the above items ⁇ 1> to ⁇ 5>, wherein the stretchable wide portion is colored, or a graphic or symbol that visually recognizes the presence of the stretchable wide portion is displayed The disposable diaper described.
  • the proximal end portion of the fastening member is It consists of a base end portion forming sheet and a part of a sheet-like stretchable member joined to the end portion of the sheet, It consists only of the base end forming sheet, or consists of a part of a sheet-like stretchable member,
  • the disposable diaper according to any one of ⁇ 1> to ⁇ 6>, wherein the base end portion is formed to be fixed between two sheets constituting the diaper main body.
  • the stretchable wide portion of the fastening member has a stretchable portion made of a sheet-like stretchable member, and a base end at the inner side end of the sheet-like stretchable member in the diaper width direction.
  • the length of the diaper in the longitudinal direction from the stretchable wide part to the fastening member outlet is uniform, and the diaper of the grip part.
  • the length L2 of the grip portion in the diaper longitudinal direction is 30 to 70%, preferably 40 to 60% of the length L1 of the stretchable wide portion in the diaper direction.
  • the stretchable wide part has a projecting part that projects upward and downward from the upper and lower edge parts of the gripping part, and the length of each of the projecting parts in the diaper longitudinal direction is the stretchable wide part.
  • the disposable diaper according to any one of ⁇ 1> to ⁇ 10>, which is 15 to 35%, preferably 25 to 30%, of a length L1 in the longitudinal direction of the diaper.
  • a length L1 of the stretchable wide part or the stretchable part of the stretchable wide part in the longitudinal direction of the diaper is 30 to 120 mm, preferably 40 to 60 mm, any one of the above ⁇ 1> to ⁇ 11>
  • the disposable diaper according to 1.
  • ⁇ 13> The disposable diaper according to any one of ⁇ 1> to ⁇ 12>, wherein a length L4 of the stretchable portion of the stretchable wide portion in the diaper width direction is 20 to 100 mm, preferably 30 to 60 mm. . ⁇ 14> A length L5 between the stretchable wide portion and the upper fixing portion and the lower fixing portion in the diaper width direction is 30 to 70 mm, preferably 40 to 60 mm. ⁇ 1> to ⁇ 13 > The disposable diaper of any one of>.
  • the length L5 between the stretchable wide portion and the upper fixing portion and the lower fixing portion in the diaper width direction is 30 to 70% of the length L6 of the accommodating portion 5 in the diaper width direction, preferably
  • the fastening force of the fastening member is such that the tensile stress when the stretchable wide portion 33 is stretched 100% is 0.5 N to 3.5 N, preferably 1.0 N to 2.5 N.
  • ⁇ 17> The disposable diaper according to any one of ⁇ 1> to ⁇ 16>, wherein a length L7 of the grip portion protruding from the fastening member outlet is 25 to 50 mm, preferably 35 to 45 mm .
  • the disposable diaper of the present invention is excellent in followability to a wearer's waist circumference change, excellent in fit to the wearer's girth, and excellent in appearance and wearability.

Landscapes

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

Abstract

L'invention porte sur une couche (1) jetable qui comprend un élément (3) de fixation doté d'une partie (31) de fermeture sur les deux parties latérales d'une partie (A) latérale arrière d'un corps (2) principal de couche. L'élément (3) de fixation a : une partie (32) d'extrémité de base qui est fixée au corps (2) principal de couche ; une partie (33) large élastique qui est disposée à l'intérieur d'une partie (5) de logement qui est formée dans le corps principal de couche ; et une partie (37) de maintien dont la longueur est plus courte que la partie (33) large élastique dans la direction (X) longitudinale de la couche. La partie (33) large élastique peut être étirée à l'intérieur de la partie (5) de logement dans la direction (Y) de la largeur de la couche. La partie (37) de maintien a la partie (31) de fermeture sur une partie de celle-ci qui s'étend à l'extérieur à partir de la partie (5) de logement. La partie (5) de logement a une sortie (52) d'élément de fixation sur le bord du côté externe dans la direction de la largeur de la couche, la sortie (52) d'élément de fixation ayant une longueur dans la direction longitudinale de la couche qui est plus courte que la partie (33) large élastique. La partie (37) de maintien est insérée à travers la sortie (52) d'élément de fixation.
PCT/JP2012/072876 2011-09-27 2012-09-07 Couche jetable WO2013047152A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280042934.0A CN103781451B (zh) 2011-09-27 2012-09-07 一次性尿布

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011210353A JP5793382B2 (ja) 2011-09-27 2011-09-27 使い捨ておむつ
JP2011-210353 2011-09-27

Publications (1)

Publication Number Publication Date
WO2013047152A1 true WO2013047152A1 (fr) 2013-04-04

Family

ID=47995192

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/072876 WO2013047152A1 (fr) 2011-09-27 2012-09-07 Couche jetable

Country Status (3)

Country Link
JP (1) JP5793382B2 (fr)
CN (1) CN103781451B (fr)
WO (1) WO2013047152A1 (fr)

Cited By (1)

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CN115300234A (zh) * 2017-10-31 2022-11-08 宝洁公司 具有可延展耳片的吸收制品

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Publication number Priority date Publication date Assignee Title
JP6272106B2 (ja) * 2014-03-28 2018-01-31 ユニ・チャーム株式会社 パンツ型の着用物品
JP6424085B2 (ja) * 2014-12-25 2018-11-14 ユニ・チャーム株式会社 展開型使い捨ておむつ

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JPH0611725U (ja) * 1992-07-17 1994-02-15 ユニ・チャーム株式会社 使い捨ておむつ
JP2002045392A (ja) * 2000-07-31 2002-02-12 Kao Corp 使い捨ておむつ
JP2005245555A (ja) * 2004-03-02 2005-09-15 Daio Paper Corp 使い捨て紙おむつ
JP2007530170A (ja) * 2004-03-29 2007-11-01 ザ プロクター アンド ギャンブル カンパニー エラストマー構成成分を含む領域を備えた使い捨て吸収性物品

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JP2002045352A (ja) * 2000-08-02 2002-02-12 Sony Corp 携帯型健康管理装置
JP4018920B2 (ja) * 2002-03-26 2007-12-05 大王製紙株式会社 使い捨ておむつ用ファスニングテープ
JP5529481B2 (ja) * 2009-09-30 2014-06-25 大王製紙株式会社 使い捨ておむつ

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Publication number Priority date Publication date Assignee Title
JPH0611725U (ja) * 1992-07-17 1994-02-15 ユニ・チャーム株式会社 使い捨ておむつ
JP2002045392A (ja) * 2000-07-31 2002-02-12 Kao Corp 使い捨ておむつ
JP2005245555A (ja) * 2004-03-02 2005-09-15 Daio Paper Corp 使い捨て紙おむつ
JP2007530170A (ja) * 2004-03-29 2007-11-01 ザ プロクター アンド ギャンブル カンパニー エラストマー構成成分を含む領域を備えた使い捨て吸収性物品

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115300234A (zh) * 2017-10-31 2022-11-08 宝洁公司 具有可延展耳片的吸收制品
CN115300234B (zh) * 2017-10-31 2024-04-05 宝洁公司 具有可延展耳片的吸收制品
US12076222B2 (en) 2017-10-31 2024-09-03 The Procter & Gamble Company Absorbent article with extensible ears

Also Published As

Publication number Publication date
CN103781451B (zh) 2015-07-15
CN103781451A (zh) 2014-05-07
JP2013070735A (ja) 2013-04-22
JP5793382B2 (ja) 2015-10-14

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