WO2016031850A1 - Article pouvant être porté jetable et son procédé de fabrication - Google Patents

Article pouvant être porté jetable et son procédé de fabrication Download PDF

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Publication number
WO2016031850A1
WO2016031850A1 PCT/JP2015/073985 JP2015073985W WO2016031850A1 WO 2016031850 A1 WO2016031850 A1 WO 2016031850A1 JP 2015073985 W JP2015073985 W JP 2015073985W WO 2016031850 A1 WO2016031850 A1 WO 2016031850A1
Authority
WO
WIPO (PCT)
Prior art keywords
waistband
waistline
elastic
continuous
tab
Prior art date
Application number
PCT/JP2015/073985
Other languages
English (en)
Japanese (ja)
Inventor
梅林　豊志
Original Assignee
株式会社瑞光
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 株式会社瑞光 filed Critical 株式会社瑞光
Priority to CN201580044373.1A priority Critical patent/CN106572933A/zh
Publication of WO2016031850A1 publication Critical patent/WO2016031850A1/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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means

Definitions

  • the present invention relates to a disposable wearing article having a waistband and a tab at the back waistline portion and a method for manufacturing the disposable wearing article.
  • the waistband expands and contracts so that disposable wearable items such as diapers fit the wearer's torso.
  • the tab is easily pinched when the rear waistline is fastened to the front waistline. By pulling the tab, the waistband extends, and the wearing work becomes easy.
  • JP2006-198207A front page
  • JP2007-020658A front page
  • an elastic strand such as rubber thread is sandwiched between two web (nonwoven fabric) layers, and the overlapping portion (the central portion in the width direction) with the absorbent body or both ends of the rear waistline portion
  • the rubber thread is cut to reduce stretchability.
  • the rubber thread is cut at both ends, but overlaps the fastener base. For this reason, when the fastener member is arranged at the time of manufacture, wrinkles are likely to occur in the fastener mounting portion, and the appearance is poor.
  • an object of the present invention is to provide a disposable wearing article that is less likely to cause wrinkles in a mounting portion of a fastening member such as a fastener and has a good appearance, and a method for manufacturing the same.
  • This article is made up of at least a laminated web sandwiching elastic strands between two webbed layers with multiple elastic strands that stretch in the direction of the wearer's waist.
  • Waistband to be placed on the back waistline A tab that is fixed to the front waistline portion is disposed at each of both ends of the waistline direction of the rear waistline portion in a state of protruding in the waistline direction, The tab comprises a base and a fastening element provided at the protruding end of the base;
  • the non-projecting end portion of the tab is joined in a state of being laminated on a non-stretchable first end portion on which the elastic force of the waistband does not act.
  • the non-projecting end of the tab is joined in a state of being laminated on the non-stretchable first end of the waistband. Therefore, wrinkles are unlikely to occur at the non-projecting end portion (attachment portion) of the tab that is the fastening member. Therefore, the appearance of the worn article is improved.
  • the non-stretchable first end of the waistband is a flat plane that is less prone to wrinkles. Therefore, the adhesiveness of the non-projecting end portion of the tab is improved, and the attachment (adhesion) strength of the tab on which a large tensile force acts during the wearing operation is improved.
  • FIG. 1A and 1B are a partially broken plan view and a cross-sectional view, respectively, showing a worn article according to an embodiment of the present invention.
  • FIG. 2 is a plan view showing a waistband and a tab of the wearing article.
  • FIG. 3 is a typical schematic perspective view which shows the manufacturing method of the wearing article.
  • FIG. 4 is a plan view showing the manufacturing method.
  • FIG. 5 is a plan view showing the manufacturing method.
  • 6A and 6B are schematic side views showing examples of the manufacturing apparatus.
  • 7A and 7B are a plan view and a cross-sectional view of the waistband, showing another method for manufacturing the waistband, respectively.
  • 8A and 8B are a plan view and a cross-sectional view of the waistband, respectively, illustrating another method for manufacturing the waistband.
  • 9A and 9B are a plan view and a cross-sectional view of the waistband, respectively, showing another method for manufacturing the waistband.
  • the at least one waistband includes a pair of waistbands spaced apart from each other in the waistline direction of the rear waistline and disposed at both ends of the rear waistline.
  • a waist band is not disposed in the central portion between both end portions of the rear waistline portion. Therefore, it is possible to reduce the webs and elastic strands that are the material of the waistband. In addition, the waistband is short, so that it is easy to handle the waistband when the waistband is attached to the rear waistline portion. Therefore, wrinkles are unlikely to occur in the waistband.
  • each waistband of the pair of waistbands has a non-stretchable second end portion to which the stretch force due to the elastic strand does not act at an end portion opposite to the first end portion.
  • the first and second end portions of the waistband are non-stretchable, and can be easily manufactured by cutting the continuous laminate at the non-stretchable portion.
  • This wearing article can be obtained by the following manufacturing method, for example. That is, in the method for manufacturing a worn article, the continuous elastic member serving as the plurality of elastic strands is continuous in the transport direction, and is stretched between two web-like layers that are continuous in the transport direction.
  • the waistbands are respectively disposed at both ends of the rear waistline portion in a state where the pads holding the pair of waistbands are separated from each other in the waistline direction of the rear waistline portion.
  • the pad is shortened in the waistline direction, and has higher rigidity than the pad that is long in the waistline direction. Therefore, the pad is not easily distorted. Therefore, wrinkles are unlikely to occur at the non-stretchable first end portion of the waistband held by the pad.
  • the wearing article 1 of this example includes an absorbent main body 2 and a diaper main body 3.
  • the absorbent main body 2 has a front part 20, a back part 21 and a crotch part 22.
  • the front part 20 covers the wearer's front trunk (front part of the trunk) and extends in the trunk circumference direction X.
  • the back portion 21 covers the wearer's rear trunk (the rear part of the trunk) and extends in the trunk circumference direction X.
  • the crotch part 22 covers the crotch of the wearer between the front part 20 and the back part 21.
  • the crotch portion 22 continues to the front portion 20 and the back portion 21.
  • the absorbent main body 2 is long in the longitudinal direction (longitudinal direction) Y perpendicular to the waistline direction X.
  • the wearable article is worn in a state where the crotch portion 22 is folded in two along a virtual line parallel to the waistline direction X.
  • the front waistline part 3F of the diaper main-body part 3 and the edge parts of the waistline direction X of the said back waistline part 3B are mutually connected.
  • the absorbent main body 2 is provided with an absorbent core (core) 24.
  • the absorption core 24 absorbs body fluid.
  • the absorbent core 24 is sandwiched between a top sheet 26 and a back sheet 27. The sheets 26 and 27 and the absorbent core 24 are stacked on each other.
  • the top sheet 26 is made of a liquid-permeable thin nonwoven fabric and covers the skin surface of the absorbent core 24.
  • a cuff 25 may be provided on the top sheet 26.
  • the “skin surface” means an inner surface that directly or indirectly contacts the wearer's skin when the diaper is worn, and directly or indirectly faces the wearer's skin.
  • the back sheet 27 covers the non-skin surface of the absorbent core 24 and is made of a liquid-impermeable resin sheet.
  • a non-skin surface of the back sheet 27 is laminated with an outer nonwoven fabric 30 having air permeability.
  • the “non-skin surface” means an outer surface that does not contact the wearer's skin when the diaper on the side opposite to the skin surface is worn, and does not face the wearer's skin.
  • the absorbent main body 2 is disposed between the front waistline portion 3F and the rear waistline portion 3B.
  • the front and rear waistline portions 3F and 3B constitute a pair of front flaps 31 and rear flaps 32 that protrude from the absorbent main body 2 in the waistline direction X, respectively.
  • Each said flap 31 and 32 comprises a part of front and rear trunk part. That is, as shown in FIG. 1A, each of the flaps 31 and 32 protrudes in the waistline direction X from the crotch part 22 and extends in the waistline direction X from the absorbent main body 2 (crotch part 22).
  • a pair of waistbands 5 is provided in the rear waistline portion 3 ⁇ / b> B of the diaper main body 3.
  • Each waist band 5 is formed by sandwiching a plurality of elastic strands F extending and contracting in the waist direction X of the wearer between a pair of webs 53, 53.
  • the pair of waistbands 5 are spaced apart from each other in the waistline direction X of the rear waistline portion 3B, and are disposed at both end portions 3E of the rear waistline portion 3B, and partially overlap the rear flap 32 and the absorbent main body 2. ing.
  • the waistband 5 includes a non-stretchable first end portion 51 to which a stretching force due to the elastic strand F does not act. Further, the waistband 5 includes a non-stretchable second end portion 52 that does not act on the stretching force of the elastic strand F at the end portion opposite to the first end portion 51.
  • the first end portion 51 in FIG. 1A is disposed at a position close to both ends of the rear waistline portion 3B.
  • the non-stretchable first end portion 51 is arranged with a tab 4 fixed to the front waistline portion 3F in a state of protruding in the waistline direction X.
  • the non-projecting end portion 42 of the tab 4 is joined to the first end portion 51 of the waistband 5 in a stacked state.
  • the tab 4 includes a base 40 and a fastening element provided at the protruding end 41 of the base 40.
  • a male fastener 4F can be used as the fastening element.
  • a female surface fastener may be fixed to the non-skin surface of the front waistline portion 3F.
  • the non-skin surface of the front waistline part 3F is a nonwoven fabric, it is not necessary to provide a female surface fastener.
  • a tape material coated with a fastening agent may be fixed to the tab 4.
  • the pair of tabs 4 When performing the wearing operation, the pair of tabs 4 are pulled in the waistline direction X, and the male surface fasteners 4F of the tabs 4 are engaged with the female surface fasteners and the nonwoven fabric on the outer surface of the front waistline portion 3F. The wearer wears the article 1.
  • the structure of the non-stretchable first and second end portions 51 and 52 for example, as shown in FIG. It is possible to employ a structure in which the stretched elastic strand F does not exist and the stretched elastic strand F exists in the intermediate portion 55 between both end portions 51 and 52.
  • the waistband 5 having such a structure can be obtained by a known snapback.
  • the pair of webs 53, 53 constituting a part of the waistband 5 are laminated to each other with the elastic strands F sandwiched between the adhesives 54 indicated by a large number of dots. ing.
  • the adhesive 54 is applied almost entirely (mostly) in the intermediate portion 55 between the both end portions 51 and 52.
  • the adhesive 54 is not applied to the non-coating portion 56 obtained by extending the elastic strand F in the waist direction X at the both end portions 51 and 52, and only the non-coating portion 56 and the non-coating portion 56 are bonded.
  • Agent 54 is applied.
  • Part of the elastic strand F in a state of being snapped back and contracted is sandwiched between the pair of webs 53 and 53 in the non-coating portion 56.
  • a part of the base 40 of the tab 4 may be laminated on a part of the waistband 5 in a state where the non-projecting end part 42 of the tab 4 overlaps the contracted elastic strand.
  • Another elastic strand for waist or hip may be provided directly on the diaper body 3 at the front and rear waist portions 3F and 3B in FIG. 1A.
  • the elastic strands are for fitting the waist portions 3F and 3B to the wearer.
  • a thread-like or belt-like material containing a plurality of thread rubbers, flat rubbers, thermoplastic resins (hot melt), or urethane foam can be employed.
  • the absorbent main body 2 may be formed with a leg portion that is constricted along the leg of the wearer.
  • Another elastic strand made of, for example, rubber thread may be provided along the leg circumference and the leg circumference of the waist circumference sections 3F and 3B so as to follow the wearer's leg circumference. .
  • Each member constituting the wearing article 1 is bonded or welded to each other, and such bonded or welded portions are indicated by a large number of small dots in FIGS. 1B to 3.
  • the surface of the male fastener 4F is shown with a larger dot than the welded portion.
  • the adhesive 54 is applied in advance to the positions to be the both end portions 51 and 52 and the intermediate portion 55 of the waistband 5 as described above.
  • the continuous laminate W2 is divided into two parts by being cut along a center line extending in the transport direction D1. After this division, the pair of divided continuous laminates W2 are conveyed so as to be separated from each other. Thereafter, the end portions of the continuous laminated body W2 are cut one after another along a virtual cutting line L extending in the width direction D2 intersecting the transport direction D1 of the continuous laminated body W2, and the pair of waist bands 5, 5 One after another.
  • the elastic strand F is cut together with the web W between the portions that become the first or second end portions 51 and 52 of the waistband 5 adjacent to each other at the time of the cutting, so that both the elastic strands F in the waistband 5 are cut.
  • the contraction force of the elastic strand F is removed at the end portion FE, and the non-stretchable first and second end portions 51 and 52 are formed on the waistband 5.
  • the cutting is performed by the cutter 61 shown in FIG. 6A cutting the continuous laminated body W2 on the pad 62 (FIG. 5) of the drum 6.
  • the continuous laminated body W2 (FIG. 3) is intermittently supplied onto the pad 62 (FIG. 5) of the drum 6 by the supply mechanism 60.
  • the pair of pads 62 in FIG. 5 turn 90 °, and the posture of the waist band 5 in the plane in which the waist band 5 expands so that the elastic strand F extends in the waist direction X. Is rotated 90 °.
  • the waist bands 5 are respectively disposed at portions corresponding to both end portions 3E of the rear waistline portion 3B in a state where the pads 62 adsorbing the pair of waistbands 5 are separated from each other in the waistline direction X of the rear waistline portion 3B. 5 is arranged. After this arrangement, the non-projecting end portion 42 of the tab 4 is overlapped and joined to the non-stretchable first end portion 51 of the waistband 5.
  • the diaper main body 3 including the back sheet 27 and the absorbent core 24 is continuous in the flow direction Y1. While the diaper main body 3 is conveyed in the flow direction Y ⁇ b> 1, the waist band 5 is joined to the diaper main body 3, and the tab 4 is further joined to the waist band 5.
  • a liquid-permeable continuous web W3 to be the top sheet 26 is laminated on the diaper main body 31 so as to cover the absorbent core 24 and the back sheet 27.
  • a pair of continuous webs for cuff W4 to be the cuff 25 is laminated to produce a continuous laminated body W5 to be a diaper.
  • a part of the diaper main body 3 may be cut out to form a leg hole.
  • the end portions of the continuous laminate W5 are successively cut along virtual lines extending in the width direction X1 orthogonal to the flow direction Y1.
  • the continuous laminate W5 is cut between the adjacent absorption cores 24, 24. In this way, the wearing article 1 of FIG. 1A is obtained.
  • the contraction force of the elastic strand F was nullified in both the 1st and 2nd end parts 51 and 52 of the waistband 5 of FIG.
  • the invalidation may be performed only on the first end portion 51.
  • the elastic strand F may be thermally cured to remove the contraction force, or the elastic strand F may be cut short to remove a part of the contraction force.
  • the webs 53 and 53 may be partially welded to each other at the first or second end portions 51 and 52 in FIG. 2 so that the elastic strand F shrinks (snapback) after cutting.
  • the pair of web 53 of the waistband 5 was comprised by the separate web.
  • the pair of webs 53 may be two web-like layers in which one web is double-folded.
  • the waistband 5 may be formed of at least one laminated web in which a plurality of elastic strands F are sandwiched between two web-like layers 53L.
  • the two web-like layers 53L in FIG. 7B are formed by folding one wide web 53W in FIG. 7A in a double manner.
  • the continuous laminated body W2 includes two web-like layers in which the continuous elastic member F1 to be the plurality of elastic strands F is continuous in the transport direction D1 and is extended in the transport direction D1. It is generated by being sandwiched between 53L. That is, while the wide web 53W of FIG. 7A is folded along a virtual fold line LF extending in the transport direction D1, the continuous elastic member F1 is sandwiched between the doubly folded web-like layers 53L, The continuous laminate W2 is generated.
  • the continuous laminated body W2 may be generated by cutting the double wide folded web 53W along the center line.
  • one of the pair of continuous laminated bodies W2 is formed of two web-like layers 53L and 53L with one web, and the other is formed with two webs 53 and 53. Two web-like layers 53L and 53L may be formed.
  • the wide web 53W may be generated by cutting the wide web 53W that is double-folded along the two folding lines LF along the center line.
  • the present invention can be applied to a diaper-type and pants-type disposable wearing article and a manufacturing method thereof.

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  • 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 concerne un article pouvant être porté jetable, dans lequel au moins une bande de taille, qui comprend une paire de tissus et de multiples fils élastiques pris en sandwich entre les tissus et pouvant s'étirer dans la direction de la taille d'un porteur, est agencée dans une partie de taille arrière, des languettes à fixer à une partie de taille avant sont respectivement disposées au niveau des deux extrémités de la partie de taille arrière dans un état tel que les languettes font saillie dans la direction de la taille, chacune des languettes comporte une base et un élément de fixation disposé au niveau de l'extrémité saillante de la base, et l'extrémité non-saillante de chacune des languettes est liée à la bande de taille. Dans l'article pouvant être porté jetable, l'extrémité non-saillante de chacune des languettes est liée à une première extrémité non-extensible de la bande de taille de telle sorte que l'extrémité non-saillante peut être stratifiée sur la première extrémité non-extensible, la première extrémité non-extensible ne pouvant pas être affectée par la force d'étirement provoquée par les fils élastiques.
PCT/JP2015/073985 2014-08-29 2015-08-26 Article pouvant être porté jetable et son procédé de fabrication WO2016031850A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201580044373.1A CN106572933A (zh) 2014-08-29 2015-08-26 一次性穿着物品及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014174720 2014-08-29
JP2014-174720 2014-08-29

Publications (1)

Publication Number Publication Date
WO2016031850A1 true WO2016031850A1 (fr) 2016-03-03

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PCT/JP2015/073985 WO2016031850A1 (fr) 2014-08-29 2015-08-26 Article pouvant être porté jetable et son procédé de fabrication

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WO (1) WO2016031850A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022145133A1 (fr) * 2020-12-28 2022-07-07 ユニ・チャーム株式会社 Article absorbant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002532194A (ja) * 1998-12-18 2002-10-02 キンバリー クラーク ワールドワイド インコーポレイテッド 再締結可能なパンツ型使い捨て吸収性物品を製造する方法
JP2006198207A (ja) * 2005-01-21 2006-08-03 Kao Corp 吸収性物品の製造方法
JP2007020658A (ja) * 2005-07-12 2007-02-01 Kao Corp 使い捨ておむつ及びその製造方法
JP2012101000A (ja) * 2010-11-12 2012-05-31 Kao Corp 伸縮性シートの製造方法
JP2014004115A (ja) * 2012-06-22 2014-01-16 Kao Corp パンツ型着用物品およびその製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4966549B2 (ja) * 2006-01-11 2012-07-04 株式会社瑞光 着用物品の製造方法
WO2012073901A1 (fr) * 2010-11-30 2012-06-07 花王株式会社 Couche jetable et son procédé de fabrication

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002532194A (ja) * 1998-12-18 2002-10-02 キンバリー クラーク ワールドワイド インコーポレイテッド 再締結可能なパンツ型使い捨て吸収性物品を製造する方法
JP2006198207A (ja) * 2005-01-21 2006-08-03 Kao Corp 吸収性物品の製造方法
JP2007020658A (ja) * 2005-07-12 2007-02-01 Kao Corp 使い捨ておむつ及びその製造方法
JP2012101000A (ja) * 2010-11-12 2012-05-31 Kao Corp 伸縮性シートの製造方法
JP2014004115A (ja) * 2012-06-22 2014-01-16 Kao Corp パンツ型着用物品およびその製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022145133A1 (fr) * 2020-12-28 2022-07-07 ユニ・チャーム株式会社 Article absorbant

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