WO2016002311A1 - 体液吸収性着用物品 - Google Patents

体液吸収性着用物品 Download PDF

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Publication number
WO2016002311A1
WO2016002311A1 PCT/JP2015/061934 JP2015061934W WO2016002311A1 WO 2016002311 A1 WO2016002311 A1 WO 2016002311A1 JP 2015061934 W JP2015061934 W JP 2015061934W WO 2016002311 A1 WO2016002311 A1 WO 2016002311A1
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WO
WIPO (PCT)
Prior art keywords
sheet
body fluid
longitudinal direction
wearing article
absorber
Prior art date
Application number
PCT/JP2015/061934
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
貴志 野本
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 CN201580035625.4A priority Critical patent/CN106659596A/zh
Publication of WO2016002311A1 publication Critical patent/WO2016002311A1/ja

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers of the pads
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/51—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the outer layers of the pads
    • A61F13/514—Backsheet, i.e. the impermeable cover or layer furthest from the skin

Definitions

  • the present invention relates to a body fluid-absorbing wearing article suitable for use as a sanitary napkin or a urine absorbing pad.
  • Pad-like body fluid-absorbing wearing articles such as sanitary napkins and urine absorbing pads used by attaching to the inner surface of the crotch region of pants-type wearing articles such as sanitary pants are known. Moreover, such a wearing article that can be extended in the front-rear direction of the wearer's body is also known.
  • the absorbent product described in Japanese Patent No. 3998712 has an extensible part that crosses the absorbent product.
  • the extensible portion can extend in the longitudinal direction of the absorbent product.
  • a large number of crepings are formed on the topsheet and backsheet in the extensible portion.
  • the absorbent article having stretchability described in JP-A-2013-385 is provided with a stretchable back sheet and a shrinkable absorbent structure, and has a stretched back sheet and a non-stretched back sheet.
  • the absorbent structure in a contracted state is fixed to each other.
  • the absorbent structure can be contracted as the back sheet contracts.
  • an elastomer film or an embossed film is used for the back sheet.
  • This absorbent article for example, a sanitary napkin, contracts when not stretched, and stretches when a tensile load of a required magnitude is applied.
  • the sanitary napkin formed in this way can expand and contract in the crotch portion of the underwear.
  • a composite sheet is obtained by interposing a plurality of thread-like elastic members extending in parallel with each other between the moisture-permeable and liquid-impermeable film and the fiber nonwoven fabric, and then the composite sheet is stretched.
  • the object of the present invention is to provide a pad-like body fluid-absorbing wearing article that has been improved so that such problems in the prior art can be solved.
  • the present invention for solving the above problems has a longitudinal direction, a lateral direction, and a thickness direction, and absorbs a body fluid between a top sheet that forms a skin facing surface and a back sheet that forms a clothing facing surface.
  • An absorber is interposed, and the top sheet has liquid permeability at least in the absorption surface area of the absorber covering the absorber, and at least in the bottom area of the absorber where the back sheet covers the absorber. It has liquid impermeability, and the top sheet and the back sheet are joined at a portion extending from the absorber, and the absorber is joined to at least one of the top sheet and the back sheet.
  • the present invention is to improve a pad-like body fluid-absorbing wearing article.
  • each of the top sheet, the back sheet, and the absorber has extensibility in the vertical direction.
  • At least one of the top sheet and the back sheet is a first sheet in which a plurality of pleats extend in the lateral direction in parallel and the pleats are widened in the longitudinal direction to express the extensibility.
  • the second sheet is a first sheet in which a plurality of pleats extend in the lateral direction in parallel and the pleats are widened in the longitudinal direction to express the extensibility.
  • the first sheet that exhibits extensibility when the pleats are widened and the first sheet that is elastically stretchable and in a relaxed state. Since the two sheets are joined to each other, the first sheet when in the stretched state can easily return elastically to the state before stretching. Therefore, it is possible to easily manufacture and provide an article that can be stretched in the vertical direction.
  • the following drawings not only show specific embodiments of the present invention, but also include essential configurations, selectively implementable configurations, and preferred embodiments of the invention.
  • the partially broken top view which shows the skin opposing surface of a bodily fluid absorptive wearing article (sanitary napkin).
  • the partially broken top view which shows the clothing opposing surface of the bodily fluid absorptive wearing article of FIG.
  • wire cut surface of FIG. The figure similar to FIG. 4 when a sanitary napkin exists in an expansion
  • the partially broken top view which shows the skin opposing surface of the sanitary napkin which is an example of embodiment.
  • the embodiments according to the present invention described below relate to the body fluid-absorbing wearing article shown in FIGS. 1 to 11 and include not only an indispensable structure of the invention but also a selective and preferable structure.
  • FIG. 1 is a partial cutaway view showing a skin facing surface 11a of a sanitary napkin 10 which is an example of a body fluid-absorbing wearing article.
  • the napkin 10 includes a top sheet 11 that defines a facing surface 11a for the wearer's skin (not shown), a back sheet 12 that defines a facing surface 12a (see FIG. 2) for the wearer's clothing, and both the sheets 11. , 12 and a body fluid-absorbing absorbent body 13 interposed therebetween.
  • the top sheet 11 has at least an absorbent surface area that covers the absorbent body 13, and the back sheet 12 has at least a bottom area that covers at least the absorbent body 13 among the whole, and the liquid-impervious area.
  • the sanitary napkin 10 has a vertical direction, a horizontal direction, and a thickness direction indicated by double-headed arrows A, B, and C (see also FIG. 4), and the vertical direction A is a length direction or a front-rear direction. There is.
  • the horizontal direction B may be referred to as the width direction.
  • the thickness direction C is a direction in which the top sheet 11, the absorber 13, and the back sheet 12 overlap.
  • the sanitary napkin 10 has both side portions 16 extending in the longitudinal direction A, and both end portions 17 projecting outward in the longitudinal direction A.
  • a plurality of compressed portions 19 for joining the overlapping top sheet 11 and back sheet 12 are intermittently formed on the peripheral edge portion 18 formed by the both side portions 16 and the both end portions 17.
  • the top sheet 11 and the back sheet 12 are also mutually connected by, for example, a hot-melt adhesive between the pressing parts 19 adjacent in the longitudinal direction A, preferably an elastically extensible adhesive 22 containing a rubber-based resin component. It is joined.
  • the top sheet 11 can be formed of a liquid-permeable fiber nonwoven fabric or a perforated plastic film having extensibility in the longitudinal direction A, more preferably elastic extensibility.
  • a top sheet 11 is formed of a fiber nonwoven fabric
  • the spunbond nonwoven fabric in which the constituent fibers are mainly oriented in the machine direction during the production of the nonwoven fabric in order to impart stretchability in the longitudinal direction A thereto. May be used such that the orientation direction thereof coincides with the transverse direction B, or a nonwoven fabric containing crimped thermoplastic synthetic fibers or a nonwoven fabric containing elastic fibers such as polyurethane fibers may be used.
  • a number of slits extending in the lateral direction B may be formed to impart stretchability to the non-extensible fiber nonwoven fabric.
  • a pleat region similar to the pleat region 29 (see FIGS. 2 and 4) described later may be formed on a polyethylene resin film having a liquid-permeable opening.
  • a plurality of slits extending in the lateral direction B may be formed in parallel with each other in the polyethylene resin film having apertures through which liquid can permeate.
  • the top sheet 11 may be formed of an elastomeric film having a liquid permeable opening.
  • a test piece having dimensions of 50 mm and 25 mm in the longitudinal direction A and the transverse direction B obtained from the sheet is 10 mm at both ends in the longitudinal direction A.
  • a tensile tester so as to be gripped one by one, pull a length of 30 mm in the longitudinal direction A at a speed of 100 mm / min, and stretch when an extension force of 30 mN acts in the longitudinal direction A for a dimension of 25 mm in the lateral direction B
  • the rate is 3% or more, that is, the length is 1.03 or more times the length before the extension force is applied.
  • the stretching force is applied and the sheet is stretched in the longitudinal direction A to twice the length, and then the length is stretched when the stretching force is immediately released. It means that it has a property of returning to 1.5 times or less of the length before the force is applied. A sheet whose length does not return to 1.5 times or less has inelastic stretchability.
  • FIG. 2 is a partially cutaway view showing the clothing facing surface 12a of the sanitary napkin 10.
  • the back sheet 12 forming the clothing facing surface 12a is liquid-impermeable, more preferably moisture-permeable and liquid-impermeable, and has the same shape and size as the top sheet 11, and the absorbent body 13.
  • a second sheet 26 formed by a plurality of strips 27 that extend elastically in the longitudinal direction A and can contract.
  • the first sheet 25 in the case of liquid impermeability is formed of a plastic film such as a polyethylene resin film, for example.
  • the first sheet 25 in the case of moisture-permeable and liquid-impermeable is formed of, for example, a plastic film such as a stretched polyethylene resin film containing inorganic fine particles such as barium sulfate as a filler.
  • a large number of pleats 28 extending from one side 16 to the other side 16 across the absorbent body 13 are formed on the first sheet 25.
  • the pleats 28 also form pleated areas 29 adjacent in the longitudinal direction A. Between the pleated areas 29 arranged in the longitudinal direction A, a flat non-pleated area 30 where the pleats 28 do not exist is located.
  • the cross-sectional shape in the longitudinal direction A of the pleat 28 has undulations as illustrated in FIG. 4, and the pleat 28 is located on the side portion 16 so that the pleat 28 does not irritate the wearer's skin. It is preferable that it is in the state crushed not only between each pressing part 19 but.
  • the strip 27 is formed of a plastic film having rubber elasticity such as a polyurethane resin film, and is interposed between the first sheet 25 and the absorber 13 and overlaps the pleat region 29 in plan view. More preferably, the first sheet 25 is overlapped with the pleat region 29 so as to cover the entire pleat region 29, and is elastically relaxed, for example, via a hot melt adhesive 37 (see FIG. 4). It is joined to.
  • a plastic film having rubber elasticity such as a polyurethane resin film
  • each of the strips 27 is also separated in the longitudinal direction A so as not to cover the whole area of the non-pleated area 30 between the pleated areas 29. Therefore, each of the non-pleated regions 30 faces the absorber 13 without the band 27 interposed therebetween.
  • a fastening area 35 that can be detachably fastened to the garment is formed on the facing surface 12a for the garment in the non-pleated area 30 by applying an adhesive.
  • the fastening region 35 is formed between the pleated regions 29 arranged in the longitudinal direction A, and the end portion 17 faces the pleated region 29. That is, a pleat region 29 is formed in the vicinity of the end portion 17 instead of the fastening region 35. From the time when the sanitary napkin 10 is manufactured to when the sanitary napkin 10 is worn, the fastening area 35 is covered and protected by a separator 36 indicated by an imaginary line.
  • FIG. 3 is a plan view of the absorber 13.
  • the absorbent body 13 is formed by compression molding an aggregate of hydrophilic fibers, compression molding a mixture of highly water-absorbing polymer particles and hydrophilic fibers, and compressing the tissue with tissue paper or a water-permeable fiber nonwoven fabric. It may be coated and may contain a binder such as a water-soluble binder. Examples of hydrophilic fibers include rayon fibers and acetate fiber staples, pulverized pulp, and the like.
  • the absorber 13 also has side edges 31 extending in the longitudinal direction A on both sides in the lateral direction B, and end edges 32 extending in the lateral direction B at both ends of the longitudinal direction A.
  • the absorbent body 13 includes a plurality of central dividing portions 33 a that partially divide the absorbent body 13 in the longitudinal direction A and extend in the lateral direction B on the center line P extending in the longitudinal direction A, and the center line from the side edge 31.
  • a plurality of side edge dividing portions 33 b extending in the horizontal direction B toward the P and dividing a part of the absorber 13 in the vertical direction A on the side of the center line P are provided. It is preferable that these center parting part 33a and the side edge parting part 33b are distribute
  • the absorber 13 divides a part of the absorber 13 in the longitudinal direction A without intersecting the center line P and the side edge 31, or is irregularly distributed so that a part of the absorber 13 is longitudinally A. It may be formed with a dividing portion 33 that is divided in FIG.
  • the absorber 13 is penetrated in the thickness direction C (see FIG. 4).
  • the center parting part 33a and the side edge parting part 33b can be obtained by forming a slit in the absorber 13.
  • a parting part can also be made simultaneously.
  • the absorbent body 13 in the case of joining to the back sheet 12 is preferably joined to the non-pleated region 30 in the first sheet 25 so as not to prevent the second sheet 26 from extending in the longitudinal direction A.
  • the present invention can also be implemented in a form in which the first sheet 25 is joined to the pleated region 29 or a part of the second sheet 26.
  • FIG. 4 is a cross-sectional view taken along line IV-IV in FIG.
  • the absorbent body 13 interposed between the top sheet 11 and the back sheet 12 is provided with a central dividing portion 33 a penetrating the absorbent body 13 in the thickness direction C of the sanitary napkin 10.
  • a large number of pleats 28 and pleat areas 29 are formed on the first sheet 25 of the backsheet 12.
  • a non-pleated region 30 is located between the pleated region 29 and the pleated region 29 that are separated from each other in the front-rear direction A.
  • the first sheet 25 is flat in the non-pleated region 30, and a fastening region 35 is formed in a part of the non-pleated region 30.
  • the strip 27 forming the second sheet 26 in the back sheet 12 covers the pleat region 29 and is joined to the first sheet 25 with, for example, a hot melt adhesive 37.
  • the strip 27 is preferably joined to the non-pleated region 30 as in the illustrated example, but can also be joined to the pleated region 29.
  • the joining of the strip 27 to the pleat region 29 may prevent the pleat region 29 from being widened in the longitudinal direction A when the backsheet 12 is pulled in the longitudinal direction A. It is preferable that the strip 27 to be bonded to 29 is bonded to only a part of the pleat region 29 or only to a part of the pleat regions 29 among the plurality of pleat regions 29.
  • the non-pleated region 30 directly faces the absorber 13. Therefore, in the non-pleated region 30, the first sheet 25 exhibits the function of air permeability without being obstructed by the strip 27, and the water vapor generated from the water absorbed by the absorbent body 13 is removed from the sanitary napkin 10. You can escape to the outside.
  • FIG. 5 shows a portion of the sanitary napkin 10 showing a state when the sanitary napkin 10 of FIG. 4 formed as described above is gripped and the sanitary napkin 10 is pulled in the longitudinal direction A.
  • FIG. The sanitary napkin 10 when pulled in this way is also shown in phantom lines in FIGS. 1-3.
  • the first sheet 25 of the back sheet 12 is pulled in the longitudinal direction A so that each of the pleats 28 is widened in the longitudinal direction A, and at the same time, a strip that forms the second sheet 26.
  • Each of 27 is elastically extended.
  • the top sheet 11 joined to the back sheet 12 at the side 16 and the end 17 of the sanitary napkin 10 also extends in the longitudinal direction A.
  • top sheet 11 and the back sheet 12 are joined at the pressing part 19 formed so as to extend intermittently in the longitudinal direction A at the side part 16 means that these two sheets 11 and 12 are connected to the pressing parts 19 and 19. It is possible to extend in the longitudinal direction A.
  • the intermittent formation of the compressed portion 19 in the pleat region 29 of the backsheet 12 facilitates the extension of the pleat region 29.
  • the absorbent body 13 is bonded to the top sheet 11 and / or the back sheet 12 so that the absorbent body 13 expands in the longitudinal direction A at least at the central dividing portion 33a of the central dividing portion 33a and the side edge dividing portion 33b.
  • the sanitary napkin 10 extends in the longitudinal direction A.
  • the extension of the sanitary napkin 10 caused by the extension is elastic due to the presence of the second sheet 26. When the sanitary napkin 10 is released from the extension force, it elastically contracts, The state before being stretched is approached.
  • the sanitary napkin 10 when the sanitary napkin 10 is fastened and worn on the crotch region of clothes such as sanitary pants, the sanitary napkin is used when the crotch region is twisted or bent as the wearer moves. 10 can follow the movement of the crotch region while elastically expanding or contracting elastically. Since the sanitary napkin 10 extends easily as described above, the fastening region 35 does not easily peel off from the crotch region. In the crotch region, the sanitary napkin 10 does not sag or wrinkles only on the sanitary napkin 10, and the wearer has a strong sense of unity between the sanitary napkin 10 and the clothes. .
  • the sanitary napkin when the sanitary napkin is extensible, when both ends of the sanitary napkin are gripped by a chuck of a tensile tester with a width of 10-20 mm and a tension of 700 mN per 25 mm width is applied. Furthermore, it means that the sanitary napkin extends at least 3% without damage between the chucks.
  • the sanitary napkin is preferably extended at a speed of 100 mm / min.
  • the sanitary napkin 10 is also formed with the central dividing portion 33 a in the absorbent body 13, so that when the portion on the center line P at both ends 17 is gripped and pulled in the longitudinal direction A, it is joined at both side portions 16.
  • the top sheet 11 and the back sheet 12 are easily extended without being affected. Therefore, the wearer who wants to selectively wear the sanitary napkin 10 according to the present invention from among a large number of commercially available sanitary napkins, by pulling both ends of the sanitary napkin obtained in the vertical direction A, Knowing the existence of the characteristics of the sanitary napkin 10, the sanitary napkin 10 can be selected without hesitation.
  • FIG. 6 is a partially broken perspective view of the package 40 formed by the sanitary napkin 10 together with the plastic film 45 as a packaging material.
  • the sanitary napkin 10 has a separator 36 superimposed on the back sheet 12 so as to cover the fastening area 35, and is folded in the longitudinal direction A with the top sheet 11 inside.
  • the separator 36 is bonded to the plastic film 45 so as not to be peeled off, and a part of the plastic film 45 forms a flap 41.
  • both side portions 42 are detachably joined to the main body portion 43 of the packaging body 40 to form a seal portion in the packaging body 40, and an intermediate portion between the side portion 42 and the side portion 42 is interposed via the tape 46.
  • the main body portion 43 is sealed.
  • the tape 46 is fixed to the flap 41 and is fixed to the main body portion 43.
  • the flap 41 is swung with both side portions 42 peeled off from the main body portion 43, and an opening 45 for taking out the sanitary napkin 10 in the package 40.
  • At the same time, at least a part of the end pleat region 29a formed so as to face the end 17a among the plurality of pleat regions 29 can be seen.
  • the separator 36 covering the fastening area 35 (see FIG. 2) of the sanitary napkin 10 moves so as to rotate integrally with the flap 41 indicated by the phantom line, and is peeled off from the fastening area 35.
  • the end portion 17a is grasped as an end portion for grasping with one hand, and at the same time, the flap 41 in a virtual line state is grasped with the other hand, What is necessary is just to pull in the opposite direction so that it may pull apart.
  • the opening 45 is formed in the required part, when the sanitary napkin 10 is to be taken out, the presence of the end pleat region 29a can be easily recognized, and the gripping end
  • the wearer can recognize naturally that what he intends to wear is the sanitary napkin 10 according to the present invention.
  • the sanitary napkin 10 may form the packaging body 40 without using the separator 36 of the illustrated example.
  • the plastic film 45 is detachably joined to the fastening region 35 and also serves as a separator.
  • FIG. 7 is a partial cutaway view showing a skin facing surface 11a of a sanitary napkin 110 which is an example of an embodiment of the present invention.
  • the same reference numerals as those of the sanitary napkin 10 are used for portions having the same functions as those of the sanitary napkin 10 illustrated in FIG.
  • the sanitary napkin 110 has both side portions 16 that draw a curved line, and each side portion 16 is formed with a wing portion 70 protruding in the lateral direction B.
  • the wing portion 70 is a well-known and commonly used sanitary napkin. When the sanitary napkin 110 is worn, the wing portion 70 is folded on the outer surface (not shown) of the crotch region in the clothing, and the fastening region 35 (see FIG. 8). It is fastened to the outer surface using a detachable.
  • the sanitary napkin 110 is a liquid-permeable top sheet 11 having extensibility in the longitudinal direction A, as with the sanitary napkin 10, and an impervious property having elastic extensibility and contractibility in the longitudinal direction A. It has a liquid back sheet 12 and a body fluid-absorbing absorbent body 13 that is interposed between the top sheet 11 and the back sheet 12 and has extensibility in the longitudinal direction A. As the absorber 13, the one illustrated in FIG. 3 is used.
  • the side portion 16 and the wing portion 70 are formed by overlapping a water-repellent or liquid-impervious leak-proof sheet 71 and a back sheet 12 and joining each other via, for example, a hot melt adhesive (not shown). Yes.
  • the leak-proof sheet 71 also has a portion 72 joined to the top sheet 11 via, for example, a hot melt adhesive (not shown). However, in the portion 72, the inner edge 72 a extending in the vertical direction A is not joined to the top sheet 11 except for both end portions 17 of the sanitary napkin 110.
  • the leak-proof sheet 71 used in such a form forms a leak-proof portion 73 in the sanitary napkin 10 that can prevent side leakage or exudation of body fluid.
  • the leak-proof sheet 71 in the case of water repellency can be obtained by using a nonwoven fabric of thermoplastic synthetic fibers and, if necessary, by using a water-repellent treatment of the nonwoven fabric.
  • the liquid-impermeable leak-proof sheet 71 can be obtained by using a plastic film such as a polyethylene film.
  • the plastic film can also be used in the form of a composite sheet in which nonwoven fabrics of thermoplastic synthetic fibers that are soft to the touch are laminated.
  • the central portion 75 in the width direction B where the top sheet 11, the absorber 13, and the back sheet 12 overlap each other is a dot recessed from the top sheet 11 toward the back sheet 12 and spaced apart from each other.
  • a large number of the pressed parts 76 are formed.
  • the pressing part 76 can be obtained by embossing / debossing the central portion 75, more preferably by embossing / debossing under heating.
  • the top sheet 11, the absorber 13, and the back sheet 12 are integrated by mechanically entanglement or welding.
  • the compressed portions 19 are also arranged along the periphery.
  • FIG. 8 is a partial cutaway view showing the clothing facing surface 12a of the sanitary napkin 110.
  • the back sheet 12 is elastically stretched in the longitudinal direction A with the moisture-impermeable and liquid-impermeable first sheet 25 in which the pleat 28, the pleat region 29, and the non-pleat region 30 are formed.
  • a second sheet 26 formed by a plurality of contractible strips 27.
  • the first sheet 25 in the wing portion 70 includes at least a non-pleated region 30 of the pleated region 29 and the non-pleated region 30, and a fastening region 35 is formed in the non-pleated region 30. Yes.
  • the fastening area 35 can be covered and protected by a separator similar to the separator 36 used for the sanitary napkin 10.
  • the wing portion 70 may be difficult to bend toward the outer surface of the crotch region in the clothing when the sanitary napkin 110 is attached to the clothing.
  • the wing portion 70 is preferably one in which the pleat region 29 is not formed.
  • the plurality of fastening areas 35 formed in the front-rear direction A of the sanitary napkin 110 are separated from each other by a large distance, for example, are formed only at both end portions 17 as shown in the drawing, so that the fastening is performed.
  • the region 35 does not prevent the sanitary napkin 110 from extending in the longitudinal direction A.
  • the formation of the fastening area 35 as described above can be applied to the sanitary napkin 10 illustrated in FIG.
  • FIG. 9 is a view similar to FIG. 4 of the sanitary napkin 210 showing an example of the embodiment of the present invention, and the sanitary napkin has the same function as that of the sanitary napkin 10 of FIG.
  • the same reference numerals as 10 are used.
  • a plurality of pleats 80 crossing the absorbent body 13 a plurality of pleat regions 81 formed by a plurality of adjacent pleats 80, a pleat region 81, and a pleat region 81 A polyethylene resin film in which a non-pleated region 82 and a large number of liquid-permeable apertures 85 interposed therebetween are used is used.
  • the pleat region 81 is widened, so that the top sheet 11 easily extends in the longitudinal direction A.
  • the sanitary napkin 210 also uses the back sheet 12 and the absorber 13 used in the sanitary napkin 10. It is preferable that an easily stretchable portion 85 is formed by the pleat region 81 of the top sheet 11 and the pleat region 29 of the back sheet 12 facing each other through the central dividing portion 33a in the absorbent body 13.
  • FIG. 10 is also a view similar to FIG. 9 of the sanitary napkin 310 showing an example of the embodiment of the present invention, and a portion having the same function as the sanitary napkin 10, 110, 210 has these physiology.
  • the same reference numerals as those used for the napkins 10, 110, and 210 are used.
  • the liquid-permeable plastic film used as the top sheet 11 of the sanitary napkin 210 in FIG. 9 is used as the third sheet 83 for forming the facing surface 11a against the wearer's skin.
  • a fourth sheet 84 that is elastically extendable in the longitudinal direction A is interposed.
  • the fourth sheet 84 is in a position overlapping with the pleat region 81 and is in an elastically relaxed state, and is elastically stretchable, for example, joined to the third sheet 83 via a hot melt adhesive 86.
  • a plurality of strips 87 are formed. Most of the non-pleated region 82 does not overlap the strip 87 and faces the absorber 13.
  • the back sheet 12 and the absorbent body 13 are the same as those used in the sanitary napkin 210.
  • the strip 87 in the top sheet 11 and the strip 27 in the back sheet 12 face each other via the central dividing portion 33 a of the absorbent body 13.
  • the sanitary napkin 310 formed in this way also has a portion 85 that can be easily extended, and when the extension force in the longitudinal direction A acts, the top sheet 11 and the back sheet 12 elastically move at the portion 85. When it expands and the extension force is released, it tries to return to the state before extension with a strong recovery force.
  • the sanitary napkin 310 may have a form in which the back sheet 12 does not include the second sheet 26 and is formed only by the first sheet 25.
  • FIG. 11 is a side view of a pair of pleat forming rollers 92a and 92b used for obtaining a first sheet 25 (see FIGS. 2 and 4) having a pleat region 29.
  • a first web 91 formed of a thermoplastic film for obtaining the first sheet 25 in the back sheet 12 runs continuously in the machine direction (not shown) and is orthogonal to the machine direction. It enters between a pair of pleat forming rollers 92a and 92b extending in the cross direction CD.
  • the corrugated portions 93a and 93b meshing with each other are arranged in the crossing direction CD which is the axial direction of the rollers.
  • peaks and valleys are alternately arranged in the cross direction CD, and the peaks and valleys of the corrugated portion 93a are connected to the valleys of the corrugated portion 93b. It has a complementary shape to the peak.
  • the first web 91 sandwiched between the corrugated portions 93a and 93b is plastically deformed so as to follow the corrugated shape of the rollers 92a and 92b, and the first web 91 has a plurality of pleats 128 and a plurality of strips. Pleats 128 are formed, which are adjacent to each other. Between the adjacent pleat areas 129 and 129, a non-pleated area 130 without the pleat 128 is formed.
  • the rollers 92a and 92b can be used in a heated state.
  • the first web 91 in which the pleat region 129 is formed can be the first sheet 25 by cutting it into a required shape.
  • the first web 91 has a strip 27 ( If the continuous body of FIG.2,4) is joined and it cuts into a required shape after that, it will become what can be used as the back seat
  • a body fluid-absorbing absorber is interposed between a top sheet that forms a skin facing surface and a back sheet that forms a clothing facing surface, and the top sheet is The top sheet has liquid permeability in at least the absorption surface area of the absorber covering the absorber, and the back sheet has liquid impermeability in at least the bottom area of the absorber covering the absorber.
  • the backsheet are bonded at a portion extending from the absorber, and the absorbent body is a pad-like body fluid absorbent wearing article in which the absorber is bonded to at least one of the topsheet and the backsheet.
  • Each of the top sheet, the back sheet, and the absorber has extensibility in the longitudinal direction
  • At least one of the top sheet and the back sheet has a plurality of pleats extending in the lateral direction in parallel, and the pleats are expanded in the longitudinal direction to express the extensibility.
  • the sheet is joined to the first sheet in a state of being elastically stretchable and elastically relaxed in the longitudinal direction across the absorber and between the first sheet and the absorber. And the second sheet interposed between the two.
  • the present invention includes at least the following embodiments, which can be adopted alone or in combination.
  • a plurality of parallel pleats are adjacent to each other to form a pleat region, and a plurality of the pleat regions are spaced apart from each other and arranged in the longitudinal direction, and the pleat regions are arranged between the pleat regions.
  • the second sheet is formed by a plurality of elastic strips that overlap the pleated regions, cross the absorber, and are separated from each other in the non-pleated region in the longitudinal direction.
  • the first sheet is formed of a moisture-permeable and liquid-impervious plastic film.
  • the absorbent body has a dividing portion that penetrates the absorbent body in the thickness direction and divides a part of the absorbent body in the longitudinal direction.
  • the absorber is the dividing portion and extends in the lateral direction intersecting with a central line that bisects the lateral dimension, and the absorbent body extends in the longitudinal direction on the central line. And a plurality of central dividing portions are arranged in the longitudinal direction.
  • the absorbent body has side edges extending in the longitudinal direction on both sides in the lateral direction, and the side edges are the dividing portions, toward the inner side of the absorbent body in the lateral direction.
  • a plurality of side edge dividing portions that extend and divide the side edges in the longitudinal direction are formed.
  • the body fluid-absorbing wearing article has a wing portion protruding in the lateral direction, and the backsheet extending from the side edge of the absorber extends to the wing portion.
  • the back sheet in the wing portion includes at least the non-pleated region of the pleated region and the non-pleated region.
  • the top sheet and the back sheet are joined at a plurality of compressed parts formed along a peripheral edge of the body fluid-absorbing wearing article, and a part between the compressed parts adjacent to each other along the peripheral edge. Are joined via an extensible adhesive.
  • a leak-proof portion is formed by an extensible nonwoven fabric that covers a part of the top sheet and extends in the longitudinal direction.
  • the non-woven fabric of the leakage preventing portion overlaps and is joined to the back sheet in each of the both sides of the body fluid-absorbing wearing article and the wing portion.
  • the non-woven fabric and the back sheet of the leak-proof portion overlap along the peripheral edge of the body fluid-absorbing wearing article, and are joined at a plurality of the compressed parts formed along the peripheral edge. In the said part between the said pressing parts adjacent along, it has joined through the said extensible adhesive agent.
  • the part is formed in the non-pleated region.
  • the body fluid-absorbing wearing article is packaged by being wrapped with a sheet-like material, and in the packaging body, one end portion of both end portions in the longitudinal direction of the body fluid-absorbing wearing article. Becomes a gripping end portion used when taking out the body fluid-absorbing wearing article from the packaging body, and a plurality of the pleat regions are provided between the gripping end portion and the adhesive region in the longitudinal direction. An end pleat region opposite to the end portion for pinching is formed, and an opening for taking out the bodily fluid absorbent article is formed at a required portion of the packaging body, and the opening Is packaged so that the end pleat region can be seen together with the gripping end.

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dermatology (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2015/061934 2014-06-30 2015-04-20 体液吸収性着用物品 WO2016002311A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580035625.4A CN106659596A (zh) 2014-06-30 2015-04-20 体液吸收性穿着物品

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Application Number Priority Date Filing Date Title
JP2014-135424 2014-06-30
JP2014135424A JP2016013197A (ja) 2014-06-30 2014-06-30 体液吸収性着用物品

Publications (1)

Publication Number Publication Date
WO2016002311A1 true WO2016002311A1 (ja) 2016-01-07

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JP (1) JP2016013197A (enrdf_load_stackoverflow)
CN (1) CN106659596A (enrdf_load_stackoverflow)
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WO (1) WO2016002311A1 (enrdf_load_stackoverflow)

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Publication number Priority date Publication date Assignee Title
JP6395763B2 (ja) * 2016-06-17 2018-09-26 ユニ・チャーム株式会社 吸収性物品
IT202000013339A1 (it) * 2020-06-05 2021-12-05 Fameccanica Data Spa Procedimento e apparecchiatura per la produzione di articoli sanitari assorbenti e relativo articolo sanitario assorbente

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JPH09504488A (ja) * 1993-11-01 1997-05-06 ザ、プロクター、エンド、ギャンブル、カンパニー 活性化された複合弾性部材を使用する吸収物品を製造する方法
JP2002508693A (ja) * 1997-06-30 2002-03-19 ザ、プロクター、エンド、ギャンブル、カンパニー 多層の伸張可能なウィングを備える吸収体
JP2002515817A (ja) * 1997-06-30 2002-05-28 ザ、プロクター、エンド、ギャンブル、カンパニー 多方向に伸張可能な生理用ナプキン
JP2004532758A (ja) * 2001-06-21 2004-10-28 ザ プロクター アンド ギャンブル カンパニー 弾性のある積層ウェブ
JP2005040235A (ja) * 2003-07-24 2005-02-17 Kao Corp 吸収性物品
JP2006115957A (ja) * 2004-10-20 2006-05-11 Kao Corp 吸収性物品
JP2006167141A (ja) * 2004-12-15 2006-06-29 Kao Corp 吸収性物品
JP3998712B2 (ja) * 1995-07-03 2007-10-31 ザ、プロクター、エンド、ギャンブル、カンパニー 伸長性のある関節式連結部分を備えた吸収性製品
JP2013000385A (ja) * 2011-06-17 2013-01-07 Kao Corp 吸収性物品

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JP2004053275A (ja) * 2002-07-16 2004-02-19 Fuji Photo Film Co Ltd 測定チップ位置決め機構
EP1787609A1 (en) * 2005-10-18 2007-05-23 The Procter and Gamble Company Absorbent Articles with Comfortable Elasticated Laminates
BRPI0622116B8 (pt) * 2006-11-13 2021-06-22 Essity Hygiene & Health Ab artigo absorvente compreendendo um material elástico laminado

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JPH09504488A (ja) * 1993-11-01 1997-05-06 ザ、プロクター、エンド、ギャンブル、カンパニー 活性化された複合弾性部材を使用する吸収物品を製造する方法
JP3998712B2 (ja) * 1995-07-03 2007-10-31 ザ、プロクター、エンド、ギャンブル、カンパニー 伸長性のある関節式連結部分を備えた吸収性製品
JP2002508693A (ja) * 1997-06-30 2002-03-19 ザ、プロクター、エンド、ギャンブル、カンパニー 多層の伸張可能なウィングを備える吸収体
JP2002515817A (ja) * 1997-06-30 2002-05-28 ザ、プロクター、エンド、ギャンブル、カンパニー 多方向に伸張可能な生理用ナプキン
JP2004532758A (ja) * 2001-06-21 2004-10-28 ザ プロクター アンド ギャンブル カンパニー 弾性のある積層ウェブ
JP2005040235A (ja) * 2003-07-24 2005-02-17 Kao Corp 吸収性物品
JP2006115957A (ja) * 2004-10-20 2006-05-11 Kao Corp 吸収性物品
JP2006167141A (ja) * 2004-12-15 2006-06-29 Kao Corp 吸収性物品
JP2013000385A (ja) * 2011-06-17 2013-01-07 Kao Corp 吸収性物品

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CN106659596A (zh) 2017-05-10
JP2016013197A (ja) 2016-01-28

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