WO2007037390A1 - Couche en papier jetable - Google Patents

Couche en papier jetable Download PDF

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Publication number
WO2007037390A1
WO2007037390A1 PCT/JP2006/319499 JP2006319499W WO2007037390A1 WO 2007037390 A1 WO2007037390 A1 WO 2007037390A1 JP 2006319499 W JP2006319499 W JP 2006319499W WO 2007037390 A1 WO2007037390 A1 WO 2007037390A1
Authority
WO
WIPO (PCT)
Prior art keywords
adhesive
waist
elastic
exterior sheet
sheet
Prior art date
Application number
PCT/JP2006/319499
Other languages
English (en)
Japanese (ja)
Inventor
Hizuru Ono
Original Assignee
Daio Paper Corporation
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 Daio Paper Corporation filed Critical Daio Paper Corporation
Priority to JP2007537713A priority Critical patent/JP5057465B2/ja
Publication of WO2007037390A1 publication Critical patent/WO2007037390A1/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
    • A61F13/49011—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region

Definitions

  • the present invention relates to a disposable paper diaper in which a waistline shirring is formed by a plurality of waistline elastic elastic members arranged along the horizontal direction at intervals in the vertical direction on the front body and the back body.
  • the present invention relates to a disposable diaper that is used to soften a waist shirring portion that is in direct contact with a person's skin and to firmly fix an elastic elastic member disposed in the waist shearing portion.
  • an absorbent main body including an absorbent body and an exterior sheet integrally provided on the outer surface side of the absorbent main body
  • the front body and the back body of the exterior sheet are joined on both sides to form a waist opening and a pair of left and right redder openings.
  • the front body and the back body are spaced apart in the vertical direction.
  • a disposable diaper is known in which a waistline shearing is formed by a plurality of waistline elastic stretch members arranged along the horizontal direction.
  • the exterior sheet is provided with stretchability by disposing a large number of elastic stretch members between two non-woven fabric sheets.
  • Patent Document 1 in adhering an elastic member between two sheets with an adhesive while sandwiching the elastic member, both sides of the sheet are more than the region corresponding to the center of the pants. Disposable pants with a greater area bond strength are disclosed.
  • Patent Document 1 Japanese Patent No. 2774441
  • the outer sheet portion of the crotch portion can surely be softened.
  • the hardness of the exterior sheet is rather not concerned, and the skin of the wearer We have obtained knowledge that it is more discomforting to the wearer when the waist shirring part that is in direct contact is harder.
  • the main problem of the present invention is to soften the waist shearing portion that comes into direct contact with the wearer's skin and to firmly fix the elastic elastic member disposed in the waist shearing portion.
  • the present invention provides a disposable paper diaper that is fixed to an exterior sheet.
  • the present invention according to claim 1 includes an absorbent main body including an absorbent body and an exterior sheet integrally provided on the outer surface side of the absorbent main body.
  • the front body and the back body of the exterior sheet are joined on both sides to form a waist opening and a pair of left and right redder openings, and are spaced upward and downward from the front body and the back body.
  • waist shirring is formed by a plurality of waist elastic elastic members arranged along the horizontal direction
  • the front and rear body regions where the waistline shirring is formed have a partial adhesion method in which an adhesive is applied to a portion corresponding to the waistline elastic elastic member, and portions other than the region where the waistline shearling is formed
  • a disposable paper diaper characterized by adopting a full-surface adhesion method in which an adhesive is applied to the entire surface of the exterior sheet.
  • the front body and the back body region in which the waistline shirring is formed are coated with an adhesive on a portion corresponding to the waistline elastic elastic member.
  • a part adhesion method is adopted, and a whole surface adhesion method in which an adhesive is applied over the entire surface of the outer sheet other than the region where the waistline shirring is formed is adopted.
  • the amount of adhesive used is limited by restricting the position where the adhesive is applied to the part corresponding to the elastic expansion / contraction material and adopting a partial adhesion method that prevents the adhesive from being applied between the elastic expansion / contraction members. Since the range is minimized, the outer sheet of the waist shirring part can be softened, and at least the elastic elastic member part can be applied to the tension sheet and the outer sheet by applying an appropriate amount of adhesive. It becomes like this.
  • the present invention according to claim 2 includes an absorbent main body including an absorbent body and an exterior sheet integrally provided on the outer surface side of the absorbent main body, and the front body of the exterior sheet in a product state.
  • a waist opening and a pair of left and right leg openings are formed by joining the body and the back body on both sides, and arranged along the horizontal direction with a space in the vertical direction between the front body and the back body.
  • the waist shirring is formed by a plurality of waist elastic elastic members, and the disposable diaper
  • the front and back body regions where the waist shirring is formed have a partial adhesion method in which an adhesive is applied to a portion corresponding to the waist elastic elastic member, and an adhesive is applied to the outer sheet with a low weight. It is a combination method of the whole surface adhesion method,
  • a disposable paper diaper in which a portion other than the region where the waist shirring is formed is a full adhesion method in which an adhesive is applied to the entire exterior sheet with high weight per unit area.
  • the adhesive is applied to the portion corresponding to the waist elastic elastic member in the front and back body regions where the waist shearing is formed. This is a combination of a partial adhesion method in which the adhesive is applied and a full adhesion method in which the adhesive is applied to the entire exterior sheet with a low weight per unit area.
  • the waist elastic elastic member by the partial adhesion method After sticking to the exterior sheet, apply a small amount of adhesive on the entire surface with low weight to ensure the minimum adhesion to prevent fluffing and opening of the cut. Make sure to secure. It should be noted that the amount of adhesive used per unit area that combines partial adhesion and full surface adhesion in the waist shearing portion should be smaller than the amount of adhesive used per unit area of full adhesion in the crotch region.
  • the partial adhesion method is an adhesion method in which the adhesive is applied to a peripheral surface of the waist elastic elastic member and is fixed to the exterior sheet. 2 Discarded disposable diapers as described in one of the above are provided.
  • the partial adhesion method is an adhesive applied in a streak pattern along an exterior sheet portion corresponding to an arrangement position of the waist elastic elastic member.
  • the present invention according to claims 3 and 4 shows a specific example of the partial adhesion method.
  • the amount and range of adhesive used in the waistline shearing portion that comes into direct contact with the wearer's skin is minimized, so the softness of the sheet is reduced.
  • the elastic elastic member disposed on the waist shirring portion can be firmly fixed to the exterior sheet.
  • Fig. 1 is an external view of a disposable diaper 1 according to the present invention in a product state
  • Fig. 2 is an expanded view thereof.
  • this pants-type disposable paper diaper 1 (hereinafter simply referred to as a paper diaper) is made of a liquid-permeable surface sheet 11 that has strength such as a non-woven fabric, a protective sheet made of polyethylene and the like. It consists of an absorbent main body 10 with an absorbent body 13 such as cotton pulp interposed between the leakage sheet 12 and an exterior sheet 20 that is integrally provided on the outer surface side of the absorbent main body 10.
  • the pants-type disposable diaper having a structure in which a front opening and a pair of left and right redder openings are formed by joining the front body and the back body of the exterior sheet 20 on both sides. (Structure of absorbent body 10)
  • the absorbent main body 10 has an absorbent body 13 such as cotton pulp interposed between the liquid-permeable surface sheet 11 that has a force such as a nonwoven fabric and the leak-proof sheet 12 that also has a force such as polyethylene. It has a built-in structure and absorbs and retains body fluids.
  • the absorbent body 13 is formed so that the planar shape is a substantially square shape, and the width dimension of the absorbent body 13 does not give the wearer a feeling of gooey by hitting the crotch part. It is a width.
  • the absorbent body 13 is surrounded by crepe paper 14 in order to maintain the shape and improve the diffusibility of the body fluid that has passed through the liquid-permeable surface sheet 11.
  • a porous or non-porous nonwoven fabric or a porous plastic sheet is preferably used as the liquid-permeable surface sheet 11 covering the surface side (skin contact surface side) of the absorbent body 13.
  • the material fibers that make up the nonwoven fabric can be synthetic fibers such as polyethylene or polypropylene, synthetic fibers such as polyester or polyamide, regenerated fibers such as rayon cubra, natural fibers such as cotton,
  • Nonwoven fabrics obtained by appropriate processing methods such as the spunlace method, the spunbond method, the thermal bond method, the melt blown method, and the needle punch method can be used. Of these processing methods, the spunlace method is excellent in terms of flexibility and drape, and the thermal bond method is excellent in terms of being bulky and soft.
  • liquid-permeable surface sheet 11 When a large number of through-holes are formed in the liquid-permeable surface sheet 11, urine and the like are quickly absorbed, and the dry diffusibility is excellent.
  • the liquid-permeable surface sheet 11 is wound around the side edge of the absorbent body 13 and extends to the back surface side of the absorbent body 13.
  • the leakproof sheet 12 that covers the back surface side (non-skin contact surface side) of the absorbent body 13 is a force that uses a liquid-impervious plastic sheet such as polyethylene or polypropylene. Those having wettability are preferably used.
  • This water-insulating and moisture-permeable sheet is a microporous material obtained by, for example, forming a sheet by melting and kneading an inorganic filler in polyolefin resin such as polyethylene or polypropylene, and then stretching in a uniaxial or biaxial direction. It is a sheet, and if the sheet thickness is the same, the rigidity will be lower than that of a non-porous sheet. It will be superior in terms of sex.
  • the gathered nonwoven fabric 15 forming the three-dimensional gathered BS is a nonwoven fabric that is turned into a double sheet by folding, and the side edges of the absorbent body 13 wound by the liquid-permeable surface sheet 11 are further provided.
  • the upper force is also involved and extends to the back side of the absorbent body 13 to be bonded.
  • the gathered non-woven fabric 15 has a three-dimensional gather BS formation portion at the middle portion in the longitudinal direction of the paper diaper, and the range from the middle portion in the width direction to the back side of the absorbent body 13 is determined by hot melt adhesive or the like.
  • the section from the intermediate portion in the width direction to the one side edge is bonded in the range extending from the back side of the absorbent body 13 and absorbs the portion forming the three-dimensional gather BS While being folded at the upper surface of the body 13, it is adhered with a hot melt adhesive or the like.
  • the thread-like elastic stretch members 16, 16... are for forming a three-dimensional gather BS by raising a non-woven fabric portion protruding from the absorber side edge portion by an elastic stretch force in a product state.
  • the leak-proof sheet 12 enters the double sheet-like gathered nonwoven fabric 15 and constitutes a leak-proof wall on the lower end side of the three-dimensional gather BS.
  • a leak-proof sheet 12 it is desirable to use an opaque sheet so as not to cause browning such as defecation and urine.
  • plastics that are made into a film by adding pigments and fillers such as calcium carbonate, titanium oxide, zinc oxide, white carbon, clay, talc, and barium sulfate are preferably used. Is done.
  • the thread-like elastic elastic member 16 a material such as styrene rubber, polyolefin rubber, urethane rubber, ester rubber, polyurethane, polyethylene, polystyrene, styrene butadiene, silicon, polyester, or the like that is usually used is used. be able to. In order to make it difficult to see from the outside, the thickness should be 925 dtex or less and the tension should be 150-350%. Instead of the thread-like elastic elastic member, a tape-like elastic elastic member having a certain width may be used.
  • the material fibers constituting the gathered nonwoven fabric 15 are also olefin-based, polyester-based, polyamide-based, such as polyethylene or polypropylene, like the liquid-permeable surface sheet 11.
  • synthetic fibers such as rayon, recycled fibers such as cucumber, natural fibers such as cotton, etc. were obtained by appropriate processing methods such as the spunbond method, thermal bond method, meltblown method, needle punch method, etc.
  • the ability to use non-woven fabrics In particular, in order to prevent stuffiness, it is recommended to use non-woven fabrics with excellent air permeability by reducing the basis weight.
  • a silicone-based, paraffin-metal-based, alkyl-kumick-croid-based It is desirable to use a water repellent nonwoven fabric coated with a water repellent or the like.
  • the absorbent main body 10 and the exterior sheet 20 are integrally bonded to the upper surface side of the exterior sheet 20 by being bonded with an adhesive such as hot melt. . Then, the absorbent main body 10 and the exterior sheet 20 are folded in the front-rear direction, and both sides thereof are joined to each other by heat welding or hot-melt adhesive, so that the pants-type disposable diaper 1 shown in FIG. Assembled.
  • FIG. 4 is a development view of the exterior sheet 20
  • FIG. 5 is a view taken along the line V-V in FIG.
  • the exterior sheet 20 is a two-layer nonwoven fabric sheet in which the upper nonwoven fabric 20A and the lower nonwoven fabric 20B are bonded by a predetermined method, and various elastic elastic members are bonded between the upper nonwoven fabric 20A and the lower nonwoven fabric 20B. Sex has been granted.
  • the planar shape forms a pseudo hourglass shape as a whole by the concave leg-around cut line 29 for forming leg openings on both sides of the middle!
  • the elastic elastic member is a waist elastic elastic member 24 disposed around the waist opening 23 as shown in the developed shape of FIG.
  • waist elastic elastic members arranged on the front body F and the back body B with a space in the vertical direction along the horizontal direction to form a shirring around the waist 25 , 2 5.
  • the elastic elastic members 24, 24 are spaced apart in the vertical direction near the waist opening edge within the range of the side joint edge 21 where the front body F and the back body B are joined. It is a plurality of elastic rubber elastic members that are arranged around the waist of the body. It is for attaching a disposable diaper to the body by applying an elastic force.
  • the waist elastic elastic member 24 thread rubber is used in the illustrated example, but a tape-like elastic member may be used, for example.
  • the waist elastic elastic members 25, 25... are located at an upper position force lower than the waist opening edge 23 of the side joint edge 21, or as shown, the side joint edge 21. It is an elastic rubber-like elastic elastic member that is arranged along the horizontal direction at intervals in the vertical direction over the range extending to the crotch side, and horizontally on the waist part of the front body F and the back body B, respectively. It is intended to form the waist shirring zone Kl, ⁇ 2 by applying a stretching force in the direction. It should be noted that the boundary between the waist elastic elastic members 24, 24... And the waist elastic elastic members 25, 25. For example, even if the number of elastic elastic members arranged horizontally in the vertical direction between the front body F and the back body heel is not specified, some of the elastic members in the upper part can be specified. The remaining elastic elastic member may function as a waist elastic elastic member 25.
  • the waist elastic elastic members 25 are provided at portions corresponding to the waist elastic elastic members 25.
  • the waist elastic elastic members 25 are provided at portions corresponding to the waist elastic elastic members 25.
  • the waist elastic elastic members 25 are provided at portions corresponding to the waist elastic elastic members 25.
  • the waist elastic elastic members 25 are provided at portions corresponding to the waist elastic elastic members 25.
  • the crotch part ⁇ (hereinafter also referred to as “intermediate zone ⁇ ”) other than the waist shirring zone Kl, ⁇ 2, the entire surface where the adhesive is applied to the exterior sheet 20 is adopted. Adhesion method is adopted.
  • the elastic elastic member is not arranged on the crotch part heel.
  • the elastic elastic member around the leg is arranged so as to cross the crotch part, the front body and the back body
  • a curved elastic expansion / contraction member is installed that extends from one side of the side edge to be joined to the crotch side and bypasses the crotch part to reach the side edge on the other side
  • the whole-surface adhesive method is adopted for this crotch part heel
  • the elastic elastic member is fixed to the exterior sheet.
  • the upper layer nonwoven fabric 20A is supplied to the upper force of the top roller part 30 and the lower layer nonwoven fabric 20B is also supplied to the lower side force, and between the upper layer nonwoven fabric 20A and the lower layer nonwoven fabric 20B Various elastic elastic members (Waist elastic elastic parts Material 24, waist elastic elastic member 25), the upper layer nonwoven fabric 20A and the lower layer nonwoven fabric 20B are bonded together in the middle zone M, and in the waist shearing zones Kl and ⁇ 2, various kinds of later described It is assembled by partial bonding according to the embodiment. In this way, the amount of adhesive can be adjusted so that the adhesive strength is different by using full bonding in the middle zone ⁇ of the paper diaper and partial bonding in the waist wrapping zone Kl, ⁇ 2 of the paper diaper. Like that.
  • the intermediate zone ⁇ it is desirable to perform the entire surface bonding with the basis weight of the adhesive being specifically 3 to 20 g / m 2 , preferably 5 to L0 g / m 2 .
  • the method of the whole surface adhesion in the intermediate zone M is to at least one side of the upper nonwoven fabric 20A and the lower nonwoven fabric 20B, in the illustrated example, to the diaper intermediate zone M other than the waistline shearing portion of the upper nonwoven fabric 20A.
  • a hot melt adhesive is curtain-applied to the corresponding region by the coater 32 to bond the upper nonwoven fabric 20A and the lower nonwoven fabric 20B.
  • the hot melt adhesive for example, there are various types such as EVA type, adhesive rubber type (elastomer type), olefin type, and polyester / polyamide type.
  • the adhesive rubber system elastomer system
  • Desirable is preferable.
  • the method of partial adhesion in the waistline shearing zones Kl and K2 can be performed based on the following various embodiments.
  • the waist elastic elastic members 24, 24, and the waist elastic elastic members 25, 25 ⁇ are the waist elastic elastic members 24, 24 ⁇ .
  • the adhesive is applied to the peripheral surfaces of the elastic elastic members 25, 25.
  • Adhesive agent can be applied by applying a comb gun 33 that passes the elastic expansion / contraction member through the groove while supplying the adhesive, or by passing the elastic expansion / contraction member through the bending member 34 as shown in FIG. 8 (B).
  • the coating can be performed by a coating method called omega coating or sure wrap coating. Adhesive application tends to be biased. ⁇ Use of omega coating or Sure wrap coating is more preferable than comb gun coating because it allows more uniform coating on the peripheral surface.
  • an adhesive jet nozzle 35 such as a curtain spray equipped with a slot coat gun and a plurality of linear spray nozzles is disposed on the back side of the upper layer nonwoven fabric 20A, and the adhesive jet nozzle 35 adheres to the upper layer nonwoven fabric 20A.
  • the agent is applied or sprayed to form a streak pattern corresponding to the arrangement position of the elastic elastic members 24, 25, and the elastic elastic members 24 ... 25 ... are introduced and fixed.
  • the type of adhesive used in the present embodiment can be the same as that in the first embodiment.
  • the streaky pattern of the adhesive may be formed on both the upper nonwoven fabric 20A and the lower nonwoven fabric 20B.
  • the adhesive is bonded to the entire surface in the intermediate zone M, and the adhesive is partially bonded to the portion corresponding to the elastic expansion / contraction member in the shearing zones Kl and K2, thereby Such an effect can be expected.
  • the adhesive strength between the elastic stretch member and the upper nonwoven fabric 20A and the lower nonwoven fabric 20B can be maintained as before by the partial adhesion, while an adhesive is provided between the elastic stretch members. It is possible to maintain a soft sensation of touch because no ⁇ is applied.
  • the elastic expansion / contraction members 24, 25, 25 are firmly fixed to the exterior sheet 20 by an adhesive applied to the peripheral surface or an adhesive applied in a streak shape, and therefore elastic expansion / contraction Retraction (disengagement) of members 24..., 2 5. Further, since no adhesive is applied between the elastic elastic members 24 ⁇ , 25 ⁇ , the elastic force of the elastic elastic members can be exhibited more effectively.
  • the elastic stretching members 24 ⁇ , 25 ⁇ are bonded by the first embodiment or the second embodiment above. There is no adhesive between the upper elastic layer 20 ⁇ and the lower elastic layer 20 ⁇ between the elastic elastic members 24 ⁇ Occurrence may be a problem.
  • the adhesive is applied only to the portion corresponding to the waist elastic elastic member 25...
  • the partial adhesion method according to the first embodiment and the second embodiment it is desirable to use a whole surface adhesion method in which an adhesive is applied to the exterior sheet 20 with a low weight per unit area.
  • the whole surface adhesion method should be performed with a low basis weight so as to ensure a minimum adhesion that can prevent fuzzing and opening of the cut.
  • 0.3 to 20 g / m 2 preferably 3 to: It is desirable to apply the entire surface of the adhesive with a basis weight of L0 g / m 2 , and the partial adhesion and the entire surface in the waist shirring zones Kl and K2
  • the amount of adhesive used per unit area including the adhesion is set to be smaller than the amount of adhesive used per unit area of the entire surface in the intermediate zone M.
  • the waist elastic elastic members 25, 2 5... Arranged on the front body F and the back body B are continuously arranged on the absorbent main body 10 as well. 10 and figure As shown in FIG. 11, the elastic elastic members 25... Crossing the absorbent main body 10 may be cut to be discontinuous. By making the elastic elastic members 25... Discontinuous on the absorbent main body 10, the absorber 13 can be prevented from being contracted.
  • the discontinuity of the elastic elastic member is, for example, as shown in Japanese Patent Application Laid-Open No. 2000-26015 and Japanese Patent Application Laid-Open No. 2002-273808. According to a method in which an exterior sheet is passed between an anvil roll and an elastic elastic member existing in a predetermined range is cut with a small force by pressing or heating with the above-mentioned emboss cutter roll.
  • the adhesive sheet is not applied to the peripheral surface of the waist elastic elastic members 25, 25,.
  • the adhesive should be applied in a pattern so that it will adhere to the entire surface.
  • the adhesive application control is performed by arranging the first coater 32A in the region corresponding to the diaper intermediate zone M and the waist elastic elastic members 25 on both sides thereof.
  • a peripheral surface coating device 31 is disposed. Then, the second coater 32B, 32B is used to apply a pattern of an adhesive so that the entire surface of the waist elastic elastic members 25, 25,...
  • peripheral surface application by the peripheral surface applicator 31 does not apply an adhesive to the portion corresponding to the cutting region of the waist elastic elastic members 25, 25, and applies to other shearing forming portions.
  • the peripheral surface coating device 31 should be controlled to apply the adhesive to the corresponding part.
  • both the waist elastic elastic members 24 and the waist elastic elastic members 25 are fixed to the exterior sheet 20 by a partial adhesion method.
  • the members 24... May be fixed to the exterior sheet 20 by a full adhesion method.
  • FIG. 1 is an external view of a product state of a disposable paper diaper 1 according to the present invention.
  • FIG. 3 is an exploded view of the disposable paper diaper 1.
  • FIG. 4 is a development view of the exterior sheet 20.
  • FIG. 5 is a view taken along line VV in FIG.
  • FIG. 6 is a schematic diagram showing the assembly procedure of the exterior sheet 20.
  • FIG. 7 is a plan view of the relevant part of FIG. 6 (in the direction of arrows B—B).
  • Fig. 8 is a diagram showing an example of the application procedure (A) and (B) of the adhesive according to the first embodiment.
  • FIG. 9 is a diagram showing an example of how to apply an adhesive according to a second embodiment.
  • FIG. 10 is a product state external view of a disposable paper diaper 1 according to another embodiment.
  • FIG. 11 is a development view of the exterior sheet.
  • FIG. 12 is a diagram showing an adhesive application procedure in that case.
  • Disposable paper diaper 10 ... Absorbent body, 11 ... Liquid-permeable surface sheet, 12 ... Leak-proof sheet, 13 ... Absorber, 14 ... Crepe paper, 15 ... ⁇ Gathered nonwoven fabric ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ elastic sheet, 20 ⁇ ⁇ ⁇ exterior sheet, 20A ⁇ ⁇ ⁇ upper layer nonwoven fabric, 20B ⁇ ⁇ ⁇ lower layer nonwoven fabric, 21, 22 ⁇ ⁇ ⁇ side joint edge ⁇ Elastic elastic member at the waist, 25 ⁇ ⁇ Elastic elastic member at the waist, 29 ⁇ ⁇ Cut line around the leg ⁇ 30 ⁇ ⁇ ⁇ -Roller, 31 ⁇ ⁇ ⁇ Comb gun, 32 ⁇ ⁇ ⁇ Coater, F ... Predecessor Around, B ... back body, Kl, ⁇ 2 ...

Abstract

L’invention concerne une couche en papier jetable comportant une partie de taille froncée souple dotée d’éléments élastiques extensibles pouvant être solidement fixés sur une feuille extérieure. La couche en papier jetable (1) comprend une partie de taille froncée constituée d’un groupe d’éléments élastiques extensibles (24..., 25...) disposés dans un corps avant (F) et un corps arrière (B), dans la direction horizontale et à intervalles réguliers dans la direction verticale. Un système d’adhésion partielle qui applique de l’adhésif sur des parties correspondant aux éléments élastiques extensibles (24..., 25...) est utilisé dans les régions de taille froncées (K1, K2) du corps avant et du corps arrière, et un système d’adhésion totale est utilisé sur toute la surface d’une feuille extérieure (20) dans une partie (M) autre que les régions de taille froncées (K1, K2).
PCT/JP2006/319499 2005-09-30 2006-09-29 Couche en papier jetable WO2007037390A1 (fr)

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JP2007537713A JP5057465B2 (ja) 2005-09-30 2006-09-29 使い捨て紙おむつ

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JP2005-286560 2005-09-30

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JP2009090029A (ja) * 2007-10-11 2009-04-30 Kao Corp 使い捨ておむつ
WO2013005423A1 (fr) * 2011-07-04 2013-01-10 Unicharm Corporation Article portable jetable
WO2014185242A1 (fr) 2013-05-13 2014-11-20 花王株式会社 Couche-culotte
WO2015151871A1 (fr) * 2014-03-31 2015-10-08 大王製紙株式会社 Procédé de production de structure étirable pour article absorbant, procédé de fabrication de couche jetable de type culotte et couche jetable de type culotte
EP2496199B1 (fr) 2009-11-06 2016-08-03 Unicharm Corporation Article à porter jetable
US10980679B2 (en) 2016-05-20 2021-04-20 The Procter & Gamble Company Absorbent article having waist gasketing element
US11963855B2 (en) 2016-05-20 2024-04-23 The Procter & Gamble Company Absorbent article having waist gasketing element

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WO2015151871A1 (fr) * 2014-03-31 2015-10-08 大王製紙株式会社 Procédé de production de structure étirable pour article absorbant, procédé de fabrication de couche jetable de type culotte et couche jetable de type culotte
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JP2015198915A (ja) * 2014-03-31 2015-11-12 大王製紙株式会社 吸収性物品の伸縮構造の製造方法、パンツタイプ使い捨ておむつの製造方法及びパンツタイプ使い捨ておむつ
RU2680795C2 (ru) * 2014-03-31 2019-02-26 Дайо Пейпер Корпорейшн Способ получения растягивающейся структуры для впитывающего изделия, способ изготовления одноразового подгузника типа трусов и одноразовый подгузник типа трусов
US10492958B2 (en) 2014-03-31 2019-12-03 Daio Paper Corporation Stretchable structure with striped adhesive, method for producing, and absorbent article comprising the stretchable structure
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