WO2022249957A1 - 着用物品の製造方法及びその着用物品 - Google Patents

着用物品の製造方法及びその着用物品 Download PDF

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Publication number
WO2022249957A1
WO2022249957A1 PCT/JP2022/020738 JP2022020738W WO2022249957A1 WO 2022249957 A1 WO2022249957 A1 WO 2022249957A1 JP 2022020738 W JP2022020738 W JP 2022020738W WO 2022249957 A1 WO2022249957 A1 WO 2022249957A1
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WO
WIPO (PCT)
Prior art keywords
sheet
side seal
fiber
seal portion
article
Prior art date
Application number
PCT/JP2022/020738
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
泰隆 田中
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 JP2023523437A priority Critical patent/JPWO2022249957A1/ja
Priority to CN202280037375.8A priority patent/CN117500467A/zh
Priority to US18/562,447 priority patent/US20240238129A1/en
Priority to EP22811229.8A priority patent/EP4331544A4/en
Publication of WO2022249957A1 publication Critical patent/WO2022249957A1/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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15585—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers
    • A61F13/15593—Apparatus or processes for manufacturing of babies' napkins, e.g. diapers having elastic ribbons fixed thereto; Devices for applying the ribbons
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15707—Mechanical treatment, e.g. notching, twisting, compressing, shaping
    • A61F13/15739—Sealing, e.g. involving cutting
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15666—Wrapping formed fibrous webs or pads, e.g. the pads being formed by uniting pad pieces cut from fibrous webs
    • A61F13/15674—Wrapping formed fibrous webs or pads, e.g. the pads being formed by uniting pad pieces cut from fibrous webs by wrapping webs or pads between webs moving in their longitudinal direction
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15699—Forming webs by bringing together several webs, e.g. by laminating or folding several webs, with or without additional treatment of the webs
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15804—Plant, e.g. involving several steps
    • 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • 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
    • 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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • 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
    • A61F13/49012—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the waist region the elastic means being elastic panels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/496—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 specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/45—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 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 specially adapted to be worn around the waist, e.g. diapers, nappies
    • A61F13/496—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 specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs
    • A61F13/4963—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 specially adapted to be worn around the waist, e.g. diapers, nappies in the form of pants or briefs characterized by the seam
    • 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
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F2013/15821—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing
    • A61F2013/15861—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding
    • A61F2013/15878—Apparatus or processes for manufacturing characterized by the apparatus for manufacturing for bonding by thermal bonding

Definitions

  • the present invention relates to a method for manufacturing a worn article and the worn article.
  • Patent Literature 1 discloses a stretchable nonwoven fabric laminate as a stretchable sheet.
  • a stretchable nonwoven fabric laminate is obtained by stretching a nonwoven fabric laminate.
  • the stretchable nonwoven fabric laminate is formed by stretching a nonwoven fabric laminate obtained by laminating an elastic nonwoven fabric and a mixed fiber spunbond nonwoven fabric.
  • the elastic nonwoven fabric has elasticity and recovers elastically when the stress is released after being stretched.
  • the mixed fiber spunbond nonwoven fabric is elongated by stretching, but does not elastically recover even when the stress is released.
  • the stretchable sheet described in Patent Document 1 can be applied to pants-type wearing articles.
  • Patent Document 1 when the elastic sheet described in Patent Document 1 is applied to a pants-type wearing article, it is difficult to secure the joint strength of the elastic sheet in the portion from the outer side of the base of the wearer's legs to the waist. .
  • the pants-type wearing article has a front waistline that covers the wearer's front abdomen and a back waistline that covers the wearer's back.
  • the front waist portion and the rear waist portion are joined to each other at the side seal portion corresponding to the portion from the outside of the wearer's groin to the waist.
  • stress concentration occurs at the side seal portions. Therefore, at the side seal portion, there is a risk that the front waistline portion and the rear waistline portion may be peeled off, broken, or the like. Therefore, it is necessary to ensure the joint strength between the front waistline portion and the rear waistline portion at the side seal portions.
  • the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a method for manufacturing a worn article and a worn article that can ensure the joint strength of the side seal portions.
  • a method for manufacturing a worn article for solving the above-mentioned problems is a worn article covering the front abdomen, crotch portion and rear back of a wearer, comprising: A front waist portion including a right front end portion covering the wearer's front abdomen, and a left front waist portion by being joined to the inner surface in a state of being laminated on the inner surface of each of the left front end portion and the right front end portion.
  • the method comprising: elastic fibers made of fibers having elasticity; and elasticity less than the elasticity of the elastic fibers. and at least one of the portions to be formed of the left side seal portion; The left side is joined by overlapping and joining the left front end and the left rear end of each wearing article in a laminated state in which a fiber supplement sheet composed of nonwoven fabric is laminated on the stretchable fiber sheet at the part.
  • a worn article for solving the above-mentioned problems is a worn article that covers the wearer's front abdomen, crotch region and rear back, and has a left front end and a right front end in the width direction of the wearer along the waist of the wearer.
  • a front waist portion that covers the wearer's front abdomen including a portion, and a left side seal portion that is laminated on the inner surface of each of the left front end and the right front end and is joined to the inner surface and the right side seal portion, which covers the back of the wearer and includes the left rear end and the right rear end in the width direction of the article, and the front waist in the portion located at the crotch portion of the wearer and a back waist portion connected to the portion, wherein the front waist portion and the back waist portion are elastic fibers made of fibers having elasticity, and elastic fibers having elasticity smaller than that of the elastic fibers and being elongated.
  • the left side seal portion comprises at least a part of the left side seal portion, the stretchable fiber sheet
  • the left front end portion and the left rear end portion of each wearing article are overlapped and joined in a laminated state in which fiber supplementary sheets made of nonwoven fabric are laminated
  • the right side seal portion includes the In at least a part of the right side seal portion, the right front end and the right rear end of each wearing article are overlapped and joined in the laminated state, and at least a part of the stretchable fiber sheet is joined.
  • FIG. 1 is a front view of a worn article in a folded state according to an embodiment of the present invention
  • FIG. 2 is a perspective view of the wearing article of FIG. 1
  • FIG. FIG. 2 is an unfolded view of the unfolded state of the wearing article of FIG. 1 as viewed from the absorbent main body side
  • FIG. 4 is a development view of the development view of FIG. 3 as seen from the back side
  • 4 is a cross-sectional view taken along line VV of FIG. 3
  • FIG. 1 It is a schematic diagram which shows the flow of the manufacturing method of the wearing article of FIG. 7 is an enlarged view of a portion where the sheet stack in FIG. 6 is separated in the sheet width direction;
  • FIG. 7 is an enlarged view of a portion where the wearing article in FIG. 6 is cut;
  • FIG. 7 is an enlarged view of a portion where the wearing article in FIG. 6 is cut;
  • FIGS. 3 and 4 show the wearing article shown in FIGS. It is a diagram shown in FIG.
  • the wearing article 100 extends in the width direction of the article, which is the direction along the waist of the wearer when worn by the wearer, and includes a portion covering the back portion and the front abdomen, and a portion extending in the article front-rear direction perpendicular to the article width direction and covering the crotch portion of the wearer.
  • the width direction of the article is the X direction in FIGS. 1 and 2, and coincides with the development width direction (left-right direction in FIGS. 3 and 4) in FIGS.
  • the article front-rear direction is the Y direction in FIGS. 1 and 2 .
  • the Z direction in FIGS. 1 and 2 is orthogonal to the X direction and the Y direction.
  • the wearing article 100 includes a front waistline portion 11 that covers at least the front abdomen of the wearer, a rear waistline portion 12 that covers at least the back of the wearer, and an absorbent body that absorbs body fluids of the wearer. It comprises an elastic main body 20 and a plurality of elastic members 31 to 34 for imparting elasticity to the waist portions 11 and 12 .
  • the front waistline section 11 and the rear waistline section 12 are connected in the article front-rear direction via the absorbent main body 20 that partially covers the crotch of the wearer.
  • the front waistline portion 11 and the rear waistline portion 12 are joined at side seal portions 13 positioned from outside the base of the wearer's legs to the waist.
  • the front waistline portion 11 and the rear waistline portion 12 are defined by a left side seal portion 13L on the left side of both ends in the article width direction of the front waistline portion 11 and the rear waistline portion 12 and a right side seal portion 13L on the right side of the both ends. It is joined at the side seal portion 13R.
  • the left side seal portion 13L extends in the left seal extending direction.
  • the right side seal portion 13R extends in the extending direction of the right seal.
  • the extending direction of the left seal and the extending direction of the right seal coincide with the Z direction.
  • the ends on the wearer's waist side of the front waistline portion 11 and the rear waistline portion 12 are open so that the wearer's lower abdomen can be inserted thereinto.
  • a straight left leg hole 14L and a right leg hole 14R are formed at the end of the wearing article 100 on the crotch side of the wearer when viewed from the front.
  • the left leg hole 14L and the right leg hole 14R are openings into which the wearer's left leg and right leg can be inserted and which are formed along the circumference of the leg.
  • the left leg hole 14L and the right leg hole 14R may be curved when viewed from the front.
  • the absorbent main body 20 has a rectangular shape as shown in FIGS. 3 and 4, and is arranged with its longitudinal direction along the unfolded vertical direction in FIGS. 3 and 4 (vertical direction shown in FIGS. 3 and 4). be.
  • the absorbent body 20 has a core for absorbing the body fluids of the wearer.
  • the core includes, for example, a super absorbent polymer (SAP: Super Absorbent Polymer) such as sodium polyacrylate, an absorbent material such as fluff pulp, and a liquid-permeable top sheet and a liquid-impermeable back sheet that sandwich them. (not shown) and.
  • the front waistline portion 11 and the rear waistline portion 12 are configured to secure the joint strength of the left side seal portion 13L and the right side seal portion 13R while securing the stretchability and breathability of the worn article 100.
  • the front waistline portion 11 and the rear waistline portion 12 are composed of the stretchable fiber sheet 1 and the supplementary fiber sheet 2 laminated and joined only to a plurality of predetermined sheet lamination regions 50 of the stretchable fiber sheet 1. , is equipped with A plurality of sheet lamination regions 50 are regions set as regions for laminating the fiber supplemental sheet 2 on the stretchable fiber sheet 1 .
  • the stretchable fiber sheet 1 is a nonwoven fabric with a relatively low fiber density, and is excellent in stretchability and breathability.
  • the stretchable fiber sheet 1 includes elastic fibers formed from fibers having elasticity and extensible fibers having an elasticity smaller than that of the elastic fibers and being extensible, and is composed of a stretched nonwoven fabric. be done.
  • thermoplastic elastomers such as olefin-based elastomers, styrene-based elastomers, polyurethane-based elastomers, polyester-based elastomers and polyamide-based elastomers can be used.
  • elastic fibers made from propylene-ethylene copolymer, natural rubber, or the like may also be used.
  • the extensible fibers have less elasticity than elastic fibers and are inherently poor in elasticity, but are given the ability to stretch by stretching.
  • Examples of extensible fibers that can be used include polyesters such as polyethylene, polypropylene and polyethylene terephthalate, and polyamides.
  • Examples of the method for producing a fiber in which the elastic fiber and the extensible fiber are combined include a method of laminating a layer containing the elastic fiber and a layer containing the extensible fiber, and a method of mixing the elastic fiber and the extensible fiber. is mentioned.
  • the fiber supplemental sheet 2 is a nonwoven fabric.
  • fibers constituting the fiber supplement sheet 2 include polyolefin resins such as polyethylene and polypropylene, polyester resins such as polyethylene terephthalate and polybutylene terephthalate, polyamide resins such as nylon, and vinyl resins such as polystyrene and polyvinyl chloride.
  • Thermoplastic resins such as resins, acrylonitrile-based resins such as acryl, methacrylic resins, and vinylidene-based resins can be used.
  • the fiber density of the supplemental fiber sheet 2 is not particularly limited, by making the fiber density higher than that of the stretchable fiber sheet 1, it is possible to reliably improve the adhesive strength, which will be described later.
  • the front waist portion 11 is a sheet that covers the wearer's front abdomen and part of the crotch portion on the front abdomen side.
  • the front waist portion 11 includes a portion covering the front abdomen of the wearer, a portion covering both side portions of the wearer, and a crotch portion on the front abdomen side of the wearer, in accordance with the shape of the front abdomen and the crotch portion on the front abdomen side. and a portion covering a portion of the portion.
  • the front waist portion 11 has a left front end 11L in the article width direction and a right front end 11R in the article width direction. Furthermore, the front waist portion 11 includes a front waist side extending in the article width direction between the upper ends of both front side ends 11L and 11R, and a pair of front crotch legs extending downward and in a direction approaching each other from the lower ends of both front side ends 11L and 11R. It has an inclined side 11T and a front connecting side 11J extending in the article width direction so as to connect both front crotch inclined sides 11T.
  • the pair of front crotch inclined sides 11T respectively form a part of the left leg hole 14L and a part of the right leg hole 14R.
  • the pair of front crotch inclined sides 11T has the absorbent main body 20 arranged from the lower ends (the left front crotch end 11CL and the right front crotch end 11CR) of the left front end 11L and the right front end 11R. Tilt to get closer to the part.
  • the fiber supplemental sheet 2 is laminated on the inner surface of the stretchable fiber sheet 1 of the front waist portion 11 in each of the plurality of sheet laminated regions 50 .
  • a plurality of sheet lamination regions 50 are regions where the fiber supplemental sheet 2 is laminated on the stretchable fiber sheet 1 .
  • the plurality of sheet-laminated regions 50 of the front waistline portion 11 include a front waist region 51 and a front crotch region 53 (see FIG. 3) set at intervals in the Z direction shown in FIGS. include.
  • the front waist region 51 is a region extending along the front waistline side of the front waistline portion 11 . Specifically, the front waist region 51 extends in the article width direction shown in FIG. 1 from the left front waist end 11WL to the right front waist end 11WR.
  • the left front waist end portion 11WL is an end portion near the wearer's waist among both end portions of the left front side end portion 11L in the left seal extending direction.
  • the right front waist end portion 11WR is an end portion near the wearer's waist among both end portions of the right front end portion 11R in the right seal extending direction.
  • the front crotch region 53 is a region set at the end of the front waist portion 11 near the crotch portion. Specifically, the front crotch region 53 includes the front connecting side 11J, both front crotch inclined sides 11T, and the ends near the crotch of both front side ends 11L and 11R (the left front crotch end 11CL and the right front crotch end). 11CR) and .
  • the left front crotch end portion 11CL is an end portion near the wearer's crotch portion among both end portions of the left front side end portion 11L in the left seal extending direction.
  • the right front crotch end portion 11CR is an end portion near the wearer's crotch portion among both end portions of the right front end portion 11R in the right seal extending direction.
  • a non-placement area 55 is set between the front waist area 51 and the front crotch area 53 .
  • the non-arrangement area 55 is an area where the fiber supplementary sheet 2 is not laminated on the stretchable fiber sheet 1 and ventilation through the stretchable fiber sheet 1 is allowed.
  • the back waist part 12 is a sheet that covers not only the back part of the wearer but also part of the crotch part on the back side of the wearer.
  • the rear waistline portion 12 has the same shape and size as the front waistline portion 11 and has the same seat configuration.
  • the back waist portion 12 includes a portion that covers the back of the wearer, a portion that covers both side portions of the wearer, and a portion that covers the wearer's back, according to the shape of the back portion and the crotch portion on the back side. and a part that covers part of the crotch part on the back side.
  • the rear waist portion 12 has a left rear end portion 12L in the article width direction and a right rear end portion 12R on the right side in the article width direction. Further, the rear waist portion 12 has a pair of rear waist sides extending in the article width direction between the upper ends of both rear side ends 12L and 12R and a pair of sides extending downward and toward each other from the lower ends of both rear side ends 12L and 12R. It has a rear crotch inclined side 12T and a rear connecting side 12J extending in the article width direction so as to connect the both rear crotch inclined sides 12T.
  • the pair of rear crotch inclined sides 12T respectively form a part of the left leg hole 14L and a part of the right leg hole 14R.
  • the pair of back crotch inclined sides 12T extend from the lower ends of the left rear end 12L and the right rear end 12R (left rear crotch end 12CL, right rear crotch end 12CR) to the absorbent body 20. is tilted toward the part where the is placed.
  • the fiber supplemental sheet 2 is laminated on the inner surface of the stretchable fiber sheet 1 of the rear waist portion 12 in each of the plurality of sheet laminated regions 50 .
  • the plurality of sheet-laminated regions 50 of the rear waist portion 12 include a rear waist region 52 and a rear crotch region 54 that are spaced apart in the Z direction shown in FIGS. 1 and 2 .
  • the back waist region 52 and the back crotch region 54 are regions facing the front waist region 51 and the front crotch region 53 (see FIG. 3), respectively, when the front waist region 11 and the back waist region 12 are joined.
  • the back waist region 52 is a region extending along the back waistline side of the back waistline portion 12 .
  • the rear waist region 52 extends in the article width direction shown in FIG. 1 from the left rear waist end 12WL to the right rear waist end 12WR.
  • the left rear waist end portion 12WL is an end portion near the wearer's waist among both end portions of the left rear side end portion 12L in the left seal extending direction.
  • the right rear waist end portion 12WR is an end portion near the wearer's waist among both end portions of the right rear end portion 12R in the right seal extending direction.
  • the back crotch region 54 is a region set at the end of the back waist portion 12 near the crotch portion.
  • the rear crotch region 54 includes the rear connecting side 12J, the both rear crotch inclined sides 12T, and the ends of the both rear side ends 12L and 12R near the crotch (the left rear crotch end 12CL and the right rear crotch end portion 12CR).
  • the left rear crotch end portion 12CL is an end portion near the wearer's crotch portion among both end portions of the left rear side end portion 12L in the left seal extending direction.
  • the right rear crotch end portion 12CR is an end portion near the crotch portion of the wearer among both end portions of the right rear end portion 12R in the right seal extending direction.
  • a non-placement area 55 is set between the rear waist area 52 and the rear crotch area 54 .
  • the non-arrangement area 55 is an area where the fiber supplementary sheet 2 is not laminated on the stretchable fiber sheet 1 and ventilation through the stretchable fiber sheet 1 is allowed.
  • the front waistline portion 11 and the rear waistline portion 12 are joined at the left side seal portion 13L and the right side seal portion 13R, respectively.
  • the stretchable fiber sheet 1 and the supplementary fiber sheet 2 are joined by heat welding in the laminated state. Therefore, joint strength can be ensured at the both ends of the left side seal portion 13L and the both ends of the right side seal portion 13R.
  • the stretchable fiber sheet 1 and the supplemental fiber sheet 2 are laminated in the front waist region 51 and the front crotch region 53 of the front waist portion 11.
  • the stretchable fiber sheet 1 and the supplemental fiber sheet 2 are laminated at both ends of the left front end portion 11L in the left seal extending direction and both ends of the right front end portion 11R in the right seal extending direction.
  • the stretchable fiber sheet 1 and the supplementary fiber sheet 2 are laminated.
  • the stretchable fiber sheet 1 and the supplementary fiber sheet 2 are laminated at both ends of the left rear end portion 12L in the left seal extending direction and both ends of the right rear end portion 12R in the right seal extending direction.
  • both ends of the left front end portion 11L in the left seal extending direction and both ends of the left rear end portion 12L in the left seal extending direction are joined in the laminated state.
  • both ends of the right front end portion 11R in the right seal extending direction and both ends of the right rear end portion 12R in the right seal extending direction are joined in the laminated state.
  • the stretchable fiber sheet 1 and the fiber supplementary sheet 2 are laminated with two layers of the fiber supplementary sheet 2 interposed between the stretchable fiber sheets 1 and 1 .
  • the fiber density of the stretchable fiber sheet 1 is low, the fiber density can be supplemented by the fiber supplementary sheet 2 at both side seal portions 13L and 13R. That is, the amount of fibers per unit area of the portion where the elastic fiber sheet 1 and the supplementary fiber sheet 2 are integrally joined in a laminated state is larger than the amount of fibers per unit area of the elastic fiber sheet 1 alone, Since the amount of fibers involved in bonding at the portion increases, sufficient bonding strength can be ensured. Therefore, joint strength can be ensured at the both ends of the left side seal portion 13L and the both ends of the right side seal portion 13R.
  • the both end portions of the left side seal portion 13L are portions where stress concentration occurs particularly when the front waistline portion 11 and the rear waistline portion 12 that are joined to each other are widened in the direction in which they are separated from each other.
  • the per unit area of the portion where the elastic fiber sheet 1 and the supplementary fiber sheet 2 are integrally joined in a laminated state By ensuring that the amount of fibers per unit area is larger than that of the stretchable fiber sheet 1 alone, sufficient bonding strength can be ensured at that portion.
  • the bonding strength of the left side seal portion 13L and the right side seal portion 13R is high even though the fiber density of the stretchable fiber sheet 1 is low. can be ensured, and the breathability of the stretchable fiber sheet 1 can be ensured.
  • the plurality of elastic members 31 to 34 impart elasticity to the portion of the wearing article 100 located at the base of the wearer's waist or crotch.
  • the plurality of elastic members 31 to 34 includes a front waist elastic member 31 that imparts elasticity to the front abdominal side of the waist of the wearer, a rear waist elastic member 32 that imparts elasticity to the back side of the waist of the wearer, It includes a front crotch elastic member 33 that imparts elasticity to the front abdomen side of the groin of the leg, and a back crotch elastic member 34 that imparts elasticity to the rear portion side of the groin of the wearer.
  • the front waist elastic member 31 is provided between the stretchable fiber sheet 1 and the supplementary fiber sheet 2 (Fig. 5) in the front waist region 51 so as to be stretchable in the width direction of the article.
  • a plurality of front waist elastic members 31 are arranged at intervals in the Z direction (FIGS. 1 and 2) and extend in the article width direction. Due to the elastic force of the front waist elastic member 31, the front waist portion 11 can be fitted to the wearer's front abdomen side waist.
  • the rear waist elastic member 32 is provided between the stretchable fiber sheet 1 and the supplementary fiber sheet 2 (Fig. 5) in the rear waist region 52 so as to be stretchable in the width direction of the article.
  • a plurality of rear waist elastic members 32 are arranged at intervals in the Z direction (FIGS. 1 and 2) and extend in the article width direction. The elastic force of the rear waist elastic member 32 allows the rear waist portion 12 to fit the waist of the wearer on the back side.
  • the front crotch elastic member 33 is provided between the stretchable fiber sheet 1 and the supplementary fiber sheet 2 (Fig. 5) in the front crotch region 53 so as to be stretchable in the width direction of the article. Due to the elastic force of the front crotch elastic member 33, the front waist part 11 can be fitted to the front side of the base of the wearer's leg.
  • the back crotch elastic member 34 is provided between the stretchable fiber sheet 1 and the supplementary fiber sheet 2 (Fig. 5) in the back crotch region 54 so as to be stretchable in the width direction of the article.
  • the elastic force of the rear crotch elastic member 34 allows the rear waist portion 12 to fit to the front side of the base of the leg of the wearer.
  • the elastic members 31 to 34 are made of materials such as polyurethane, natural rubber, and thermoplastic resin.
  • FIG. 6 is a schematic diagram showing the flow of the manufacturing method of the wearing article of FIG.
  • the manufacturing method of the wearing article 100 includes (1) a first sheet preparation step, (2) a second sheet preparation step, (3) a separation step, (4) an absorbent main body placement step, (5) a side seal portion formation step, and (6) including a cutting step;
  • the stretchable fiber sheet 1 extending in the longitudinal direction of the sheet corresponding to the width direction of the article is prepared.
  • the stretchable fiber sheet 1 includes elastic fibers formed from fibers having elasticity and extensible fibers having elasticity smaller than the elasticity of the elastic fibers and which can be stretched, and is made of a stretched nonwoven fabric. Configured.
  • the stretchable fiber sheet 1 is formed, for example, by laminating the layer containing the elastic fibers and the layer containing the stretchable fibers, and then stretching the laminated body. By this stretching, the layer having elastic fibers is stretched.
  • the layer having extensible fibers is stretched by being plastically deformed by stretching.
  • the stretchable fiber sheet 1 When stress is released in the stretched nonwoven fabric, the layer having elastic fibers elastically recovers, while the layer having extensible fibers does not elastically recover and is contracted by the elasticity of the elastic fibers while being stretched.
  • the stretchable fiber sheet 1 thus obtained has a relatively low fiber density and is excellent in stretchability and breathability.
  • each gear roll has a plurality of blades projecting from the outer peripheral surface.
  • the nonwoven fabric is drawn by passing the nonwoven fabric between the pair of gear rolls while rotating the blades of the pair of gear rolls while meshing with each other.
  • the stretching is not limited to gear stretching, and for example, uniaxial stretching, biaxial stretching, partial stretching, total stretching, etc. can be employed.
  • the elastic fiber sheet 1 can be formed by mixing elastic fibers and extensible fibers.
  • the thermoplastic elastomer that is the material of the elastic fibers and the thermoplastic resin that is the material of the extensible fibers are mixed and melted.
  • Nonwoven fabrics are formed by depositing fibers obtained by melt spinning the material in the molten state.
  • the stretchable fiber sheet 1 can be formed by stretching this nonwoven fabric as described above.
  • the stretchable fiber sheet 1 is prepared to extend in the longitudinal direction of the sheet and have a width dimension in the sheet width direction perpendicular to the longitudinal direction of the sheet.
  • the width dimension of the stretchable fiber sheet 1 is the dimension obtained by adding the dimension from the front waistline side of the front waistline part 11 to the front connecting side 11J and the dimension from the connecting side 12J of the rear waistline part 12 to the back waistline side. Equivalent to. That is, the predetermined width dimension in the sheet width direction has a dimension that allows the area in which the front waistline portion 11 is formed and the area in which the rear waistline portion 12 is formed to be separated in a state of being aligned in the seat width direction.
  • the length dimension of the stretchable fiber sheet 1 can be determined by dividing the stretchable fiber sheet 1 in the longitudinal direction of the sheet as in "(6) Cutting step" to be described later to cut out portions to be a plurality of wearing articles 100. are set to possible dimensions.
  • the parts that form each wearing article 100 include only parts that form one front waistline part 11 and one rear waistline part 12 .
  • the stretchable fiber sheet 1 has a plurality of lamination areas 60 extending in the longitudinal direction of the sheet.
  • a plurality of lamination regions 60 are regions set as regions for laminating the fiber supplemental sheet 2 extending in the longitudinal direction of the stretchable fiber sheet 1 .
  • the plurality of stacking regions 60 are set so as to line up at intervals in the sheet width direction.
  • the multiple stacking regions 60 include a first end region 61, an intermediate region 62, and a second end region 63, as shown in FIG.
  • the first end region 61, the intermediate region 62 and the second end region 63 extend in the longitudinal direction of the sheet.
  • the first end region 61 is a region along one of both ends of the stretchable fiber sheet 1 in the sheet width direction.
  • the second end region 63 is a region along the other end of both ends of the elastic fiber sheet 1 in the sheet width direction.
  • the middle region 62 is a region between the first end region 61 and the second end region 63 in the stretchable fiber sheet 1 .
  • the intermediate region 62 includes a first intermediate region 62a and a second intermediate region 62b that are separated in the sheet width direction in "(3) Separating step" described later.
  • the first intermediate region 62 a is the region of the intermediate region 62 closer to the first end region 61
  • the second intermediate region 62 b is the region of the intermediate region 62 closer to the second end region 63 .
  • the first end region 61 and the first intermediate region 62a are included in the region where the front waistline portion 11 is formed.
  • the second end region 63 and the second intermediate region 62b are included in the region where the rear waistline portion 12 is formed.
  • the plurality of lamination regions 60 of the elastic fiber sheet 1 correspond to the plurality of sheet lamination regions 50 of the wearing article 100 continuing in the sheet longitudinal direction.
  • the first end region 61, the first intermediate region 62a, the second intermediate region 62b, and the second end region 63 correspond to the front waist region 51, the front crotch region 53, and the back crotch region 54 of the wearing article 100, respectively.
  • the rear waist region 52 respectively correspond to those that are continuous in the longitudinal direction of the seat.
  • the non-arranged regions 55 are continuous in the sheet longitudinal direction. Equivalent to things.
  • the multiple stacking regions 60 include two pairs of regions that can be opposed.
  • the area that can be opposed is an area that faces each other when the sheet stacks 3 are overlapped in the sheet width direction in "(5) Side seal portion forming step" described later.
  • the sheet laminate 3 is a sheet obtained by laminating the fiber supplemental sheet 2 on the stretchable fiber sheet 1 .
  • the first end region 61 and the second end region 63 correspond to a pair of opposing regions
  • the first intermediate region 62a and the second intermediate region 62b correspond to a pair of opposing regions. .
  • the "(1) first sheet preparation step" of this embodiment is included in the "preparation step of preparing a stretchable fiber sheet” in the claims of the present invention.
  • the sheet laminate 3 is formed by laminating the stretchable fiber sheet 1, the plurality of elastic members 81 to 83, and the plurality of fiber supplementary sheets 2.
  • the stretchable fiber sheet 1 is conveyed in a machine direction (MD) parallel to the longitudinal direction of the sheet.
  • MD machine direction
  • the longitudinal direction of the sheet coincides with the width direction of the wearing article 100 shown in FIGS. 1 and 2 .
  • the cross direction CD shown in FIG. 6 is a direction perpendicular to the machine direction MD.
  • the plurality of elastic members 81 to 83 are stretched in the longitudinal direction of the stretchable fiber sheet 1 over the plurality of lamination regions 60. Arrange while transporting in the state.
  • the plurality of first end elastic members 81 are arranged on the first end region 61 of the stretchable fiber sheet 1 while being spaced apart from each other in the sheet width direction.
  • the plurality of second end elastic members 83 are arranged on the second end region 63 of the stretchable fiber sheet 1 while being spaced apart from each other in the sheet width direction.
  • the plurality of intermediate elastic members 82 are arranged on the intermediate region 62 of the stretchable fiber sheet 1 while being spaced apart from each other in the sheet width direction.
  • the first intermediate elastic member 82a is formed on the first end region 61 side with respect to the cutting line to be cut in the separation step (3), that is, on the first intermediate region 62a. placed.
  • the second intermediate elastic member 82b is arranged in the intermediate region 62 on the second end region 63 side with respect to the cutting line, that is, on the second intermediate region 62b.
  • the plurality of intermediate elastic members 82 are drawn in a straight line, but actually, they extend along a path along the edges of the left leg hole 14L and the right leg hole 14R. are being transported.
  • the second sheet preparation step while conveying the fiber supplemental sheet 2 along the sheet longitudinal direction, in each of the first end region 61, the intermediate region 62, and the second end region 63 of the stretchable fiber sheet 1, A plurality of supplementary fiber sheets 2 are joined to the elastic fiber sheet 1 so as to cover the elastic members 81 to 83 from above.
  • the stretchable fiber sheet 1 and the plurality of supplementary fiber sheets 2 are joined together while the elastic members 81 to 83 are sandwiched between the stretchable fiber sheet 1 and the supplementary fiber sheets 2 .
  • the elastic members 81-83 may be bonded to at least one of the stretchable fiber sheet 1 and the supplemental fiber sheet 2 sandwiching the elastic members 81-83.
  • a sheet laminate 3 is formed by laminating them.
  • adhesion using a hot-melt adhesive or welding by heat sealing can be used, but ultrasonic welding is preferable.
  • Second sheet preparation step of this embodiment is included in the "preparation step of preparing a stretchable fiber sheet” in the claims of the present invention.
  • the ⁇ preparing step of preparing a stretchable fiber sheet'' includes at least ⁇ (1) the first sheet preparing step'' and ⁇ (2) the second sheet preparing step''. 1 sheet preparation process" is included.
  • the sheet stack 3 is conveyed in the sheet longitudinal direction, and the sheet stack 3 is cut in the sheet width direction along a preset cutting line. cut to This cutting divides the intermediate region 62 into a first intermediate region 62a and a second intermediate region 62b in the sheet width direction. Further, the cutting separates the area where the front waistline portion 11 is formed and the area where the rear waistline portion 12 is formed in the sheet stack 3 .
  • the intermediate elastic member 82 is separated into a first intermediate elastic member 82a and a second intermediate elastic member 82b. Further, in the separating step, the conveying path of the stacked sheet body 3 is changed so that a gap is provided between the region where the front waistline portion 11 is formed and the region where the rear waistline portion 12 is formed in the stacked sheet body 3.
  • the "(3) separation step” of the present embodiment the area in which the front waistline portion 11 is formed and the area in which the rear waistline portion 12 is formed in the sheet stack 3 are separated. It corresponds to cutting out a part and a part of the rear waist part 12 . Therefore, the "(3) separating step” of the present embodiment is included in the “cutting step of cutting out the front waistline portion and the rear waistline portion from the stretchable fiber sheet" in the claims of the present invention.
  • the absorbent main body arranging step the regions separated in the above "(3) Separating step", that is, the region where the front waistline portion 11 is formed and the rear waistline portion 12 are formed.
  • the absorbent body 20 is arranged to connect the regions together and the absorbent body 20 is joined to both regions.
  • the sheet stack 3 is covered from a position closer to the first end region 61 than the first intermediate region 62a to a position closer to the second end region 63 than the second intermediate region 62b.
  • Each absorbent body 20 is placed in the sheet stack 3 .
  • the side seal portion forming step in the present embodiment includes a step of forming the left side seal portion 13L of each wearing article 100 and a step of forming the right side seal portion 13R.
  • the sheet laminate 3 is overlapped by folding the absorbent main body 20 in two in the sheet width direction while conveying the sheet laminate 3 in the sheet longitudinal direction.
  • the first end region 61 and the second end region 63 face each other, and the first intermediate region 62a and the second intermediate region 62b face each other.
  • the sheet width of the laminated sheet 3 is spaced apart in the longitudinal direction of the sheet to form the wearing article 100 in a state where the laminated sheets 3 are overlapped in the sheet width direction.
  • a predetermined length along the direction is heated.
  • the stretchable fiber sheet 1 and the supplementary fiber sheet 2 in the heated portion are melted, and the laminated sheet stacks 3 are joined together at the portion.
  • This joined portion forms the side seal portion 13 of each wearing article 100 in the sheet laminate 3 .
  • the left side seal portion 13L of the downstream wearing article 100 and the right side seal portion 13R of the upstream wearing article 100 are separated by cutting in the article width direction in the cutting step described later.
  • a formable side seal portion 13 is formed. More specifically, the side seal portion 13 is formed to have a width obtained by adding the width of the left side seal portion 13L and the width of the right side seal portion 13R in the article width direction. Also, the interval between the continuous side seal portions 13 corresponds to the dimension of the wearing article 100 in the width direction.
  • “heating” is not limited to applying heat directly to the sheet, and includes heating the sheet by applying ultrasonic vibrations to the sheet.
  • a continuous body of portions forming the worn article 100 with the side seal portions 13 connected is conveyed in the longitudinal direction of the sheet, and the worn article is cut into pieces.
  • a continuous body of parts forming 100 is cut so as to be divided in the longitudinal direction of the sheet for each part forming the wearing article 100 .
  • each wearing article 100 including the front waistline portion 11 and the rear waistline portion 12 is cut out from the sheet laminate 3 .
  • the sheet stack 3 is cut in the sheet width direction at the central position in the sheet longitudinal direction of each of the plurality of side seal portions 13 formed as described above.
  • the side seal portion 13 is separated into the left side seal portion 13L of the downstream wearing article 100 and the right side seal portion 13R of the upstream wearing article 100, and the downstream wearing article 100 is separated from the sheet laminate. Separated from 3.
  • the "cutting step of cutting out the front waistline portion and the rear waistline portion from the stretchable fiber sheet” in the claims of the present invention is performed. include.
  • the wearing article 100 is linearly cut so as to form the left leg hole 14L and the right leg hole 14R.
  • the cutting of both leg holes 14L and 14R may be performed before the absorbent body placement step.
  • the wearing article 100 in which the front waistline portion 11 and the rear waistline portion 12 are joined has the left side seal portion 13L and the right side seal portion 13L even though the fiber density of the stretchable fiber sheet 1 is low.
  • the joint strength of the side seal portions 13R can be ensured, and the breathability of the stretchable fiber sheet 1 can be ensured.
  • the fiber supplemental sheet 2 is laminated on the stretchable fiber sheet 1. is configured. Due to this laminated state, the fiber density is supplemented by the fiber supplement sheet 2 even though the fiber density of the stretchable fiber sheet 1 is low. That is, the amount of fibers per unit area of the portion where the elastic fiber sheet 1 and the supplementary fiber sheet 2 are integrally joined in a laminated state is larger than the amount of fibers per unit area of the elastic fiber sheet 1 alone, The amount of fibers involved in bonding in the portion increases.
  • the fiber supplemental sheet 2 is laminated between the stretchable fiber sheets 1 and 1 . Therefore, the fiber density is further supplemented by laminating the fiber supplementary sheet 2 .
  • the side seal portions 13 (the left side seal portion 13L and the right side seal portion 13R) of the sheet laminate 3 are to be formed while the fiber density is supplemented by the fiber supplementary sheet 2.
  • the sheet stacks 3 facing each other are joined at the side seal portions 13 by heating the portions to be in a molten state. Therefore, since the amount of fibers that are entangled in a molten state can be secured in the side seal portions 13, sufficient bonding strength in the side seal portions 13 can be secured.
  • the stacking area 60 is set so as to include the ends in the side seal extending direction in the area where the side seal portions 13 are formed, and both the side seal portions 13L, A plurality of supplementary fiber sheets 2 can be efficiently laminated on the stretchable fiber sheet 1 at both ends of the seal extending direction of 13R.
  • the stacking region 60 (the first end region 61 and the second end region 63) extending in the longitudinal direction of the sheet from one of both ends of the left side seal portion 13L to one of both ends of the right side seal portion 13R.
  • first intermediate area 62a and second intermediate area 62b a stacking area 60 (first intermediate area 62a and second intermediate area 62b) extending in the sheet longitudinal direction from the other of both ends of the left side seal portion 13L to the other of both ends of the right side seal portion 13R. Therefore, by laminating the four supplementary fiber sheets 2 in these four laminating regions 60 of the elastic fiber sheet 1, the supplementary fiber sheets 2 can be efficiently arranged at both ends of the both side seal portions 13. can be done.
  • a plurality of fiber supplementary sheets 2 extending in the longitudinal direction are laminated on the plurality of lamination regions 60 of the stretchable fiber sheet 1 extending in the longitudinal direction of the sheet, thereby laminating sheets extending in the longitudinal direction of the sheet.
  • a body 3 can be formed. Thereby, a plurality of wearing articles 100 can be efficiently mass-produced.
  • the stretchable fiber sheet 1 and the plurality of supplementary fiber sheets 2 are transported in the same sheet longitudinal direction, so that the stretchable fiber sheet 1 is transported along the flow of transportation of the stretchable fiber sheet 1, and the plurality of supplementary fiber sheets are attached to the stretchable fiber sheet 1. 2 can be stacked more efficiently.
  • the elastic fiber sheet 1 is reinforced by securing the thickness of the fiber supplemental sheet 2 at the time of joining while reducing the thickness of the fiber supplemental sheet 2 before joining. can be done.
  • the supplementary fiber sheet 2 is laminated on the stretchable fiber sheet 1 so as to be dispersed in a pair of facing possible regions at the left front end portion 11L and the left rear end portion 12L.
  • the fiber supplementary sheets 2 are arranged so as to be dispersed in each of the pair of facing possible regions at the right front end portion 11R and the right rear end portion 12R. While the thickness of the fiber supplemental sheet 2 before joining is reduced by such a dispersed arrangement, the left front side end 11L and the left rear side end 12L are opposed to each other, and joined together.
  • the supplemental fiber sheet 2 can be laminated between the stretchable fiber sheet 1 and the stretchable fiber sheet 1 at the right side seal portion 13R where the right rear end portion 12R is opposed and joined. As a result, a large amount of fibers that can be involved in bonding can be secured, so that the bonding strength of the left side seal portion 13L and the right side seal portion 13R can be secured.
  • the elastic members 81 to 83 can be arranged when the stretchable fiber sheet 1 and the fiber supplemental sheet 2 are laminated, the elastic members 81 to 83 are arranged. Compared to the case of preparing a sheet separate from the fiber supplemental sheet 2 and laminating it on the stretchable fiber sheet 1, the elastic members 81 to 83 can be arranged efficiently.
  • the elastic members 81 to 83 are arranged over the entire length of the stretchable fiber sheet 1 and the supplementary fiber sheet 2 in the sheet longitudinal direction, the elastic members 81 to 83 are intermittently arranged in the sheet longitudinal direction. In comparison, the elastic members 81 to 83 can be efficiently arranged over the entire length of the manufactured wearing article 100 in the article width direction. Since the elastic members 81 to 83 are stretchable in the longitudinal direction of the sheet, the stretchability in the article width direction can be improved over the entire length of the manufactured wearing article 100 in the article width direction.
  • the setting location and size of the sheet lamination area, etc. are not limited to those in the above embodiment.
  • the set place of the sheet laminated region is not limited to the front waist region 51, the front crotch region 53, the back waist region 52, and the back crotch region 54 of the above embodiment.
  • the sheet lamination area may be set in at least part of the left side seal portion and at least part of the right side seal portion.
  • the sheet lamination area may be set only in the central area of the left side seal portion in the extending direction of the left side seal, or may be set in both the ends and the central area in the extending direction of the left side seal. Further, it may be set in the entire area in the extending direction of the left seal.
  • the sheet lamination region may be set only in the central region of the right side seal portion in the extending direction of the right side seal, or may be set in both the ends and the central portion in the extending direction of the right seal. Further, it may be set in the entire region in the extending direction of the right seal.
  • the present invention is not limited to the mode in which the sheet stacking area is set at both the left front end and the left rear end, and the sheet stacking area is set at at least one of the left front end and the left rear end. good too.
  • the present invention is not limited to the mode in which the sheet stacking area is set at both the right front end and the right rear end, and the sheet stacking area is set at at least one of the right front end and the right rear end. may Therefore, in the manufacturing method shown in FIG. 6, the plurality of stacking regions 60 do not necessarily include a pair of opposing regions.
  • the front crotch region 53 is a trapezoidal region located in the crotch part on the front abdominal side of the wearer, but the front crotch region 53 is only the region where the front crotch elastic member 33 is arranged.
  • the front crotch region 53 may be a region along both the front crotch inclined sides 11T and the front connecting side 11J.
  • the front crotch region 53 may be a linear region extending in the article width direction from the left front crotch end 11CL to the right front crotch end 11CR.
  • the rear crotch region 54 may also be only the region where the rear crotch elastic member 34 is arranged.
  • the rear crotch region 54 may be a region along both the rear crotch inclined sides 12T and the rear connecting side 12J. Also, the rear crotch region 54 may be a linear region extending in the article width direction from the left rear crotch end 12CL to the right rear crotch end 12CR.
  • Non-arranged area In the present invention, it is sufficient that the non-arranged area is set in at least a part of the front waist part and the rear waist part to ensure breathability, and the arrangement location and size of the non-arranged area etc. are not limited to those of the above embodiment. For example, the entire surface of either one of the front waistline portion 11 and the rear waistline portion 12 may be set as the non-placement area.
  • the elastic member can be omitted.
  • the elastic member can be omitted at any position.
  • at least one of the front waist elastic member, the rear waist elastic member, the front crotch elastic member, and the rear crotch elastic member can be omitted.
  • At least one of the front crotch elastic member and the back crotch elastic member may be subjected to a weakening treatment at a portion where the absorbent main body is arranged.
  • the weakening process is a process of weakening the elastic force of the elastic member or a process of nullifying the elastic force of the elastic member.
  • the weakening treatment is performed, for example, by cutting the elastic member at the portion where the absorbent main body is located with a blade or by melting with heat.
  • (D1) Shape of front waistline and rear waistline
  • the shape of the front waistline and rear waistline of the present invention is not limited as long as the front waistline covers the front abdomen and the rear waistline covers the back.
  • at least one of the front waistline portion and the rear waistline portion may be rectangular, for example.
  • the worn article may be configured to cover the wearer's front abdomen to the back through the crotch, and the front waist portion of the crotch.
  • the form of the rear waist portion is not limited.
  • the front waistline portion 11 and the back waistline portion 12 are separated from each other and connected via the absorbent main body 20, but the front waistline portion and the back waistline portion may be continuous at the crotch portion. good.
  • the "(3) separation step" can be omitted in the manufacturing method shown in FIG. That is, the sheet stack may be continuous in the sheet width direction.
  • the left leg hole and the right leg hole are separated in a state where the region where the front waistline portion is formed and the region where the rear waistline portion is formed are continuous at a portion corresponding to the crotch portion. Apertures may be formed in the sheet stack so as to have. Furthermore, the absorbent body 20 may be omitted.
  • the left front end and the left rear end may be joined by bonding with an adhesive.
  • the fiber supplemental sheet is interposed between the stretchable fiber sheets.
  • the fiber amount per unit area of the part where the elastic fiber sheet and the fiber supplementary sheet are integrally joined in a laminated state is larger than the fiber amount per unit area of the elastic fiber sheet alone, so that the joining in the part Since the amount of fibers involved increases, it is possible to ensure the amount of fibers that the adhesive is entangled with. Therefore, the joint strength of the left side seal portion can be ensured.
  • the right front end portion and the right rear end portion may be joined by adhering with an adhesive.
  • the stretchable fiber sheet and the supplemental fiber sheet are not limited to thermoplastic nonwoven fabrics. Epoxy resin, acrylic resin, or the like can be used as the adhesive.
  • ultrasonic welding and heat welding can be used to join the left side seal portion and the right side seal portion.
  • the formation timing of the left side seal portion and the right side seal portion is not limited to the same time as in the above embodiment, but is performed in separate formation steps. may be formed.
  • the side seal portion forming step includes a left side seal portion forming step for forming the left side seal portion and a right side seal portion forming step for forming the right side seal portion, and these forming steps are performed at different timings. may be performed in
  • the left side seal portions of the sheet laminate are separated from each other in the longitudinal direction of the sheet while the sheet laminates are overlapped in the sheet width direction. heating the part to be formed. This forms the left side seal portion of each wearing article in the sheet stack.
  • the right side seal portion forming step the right side seal portion of the sheet laminate is formed while the sheet laminates are stacked in the sheet width direction, and the portions forming the worn article are spaced apart in the sheet longitudinal direction. Heat the target area. This forms the right side seal portion of each wearing article in the sheet stack.
  • each step may be performed without conveyance.
  • a fiber supplemental sheet may be laminated and bonded onto a static stretchable fiber sheet.
  • the side seal portion forming step and the cutting step may also be performed without transportation.
  • the side seal portion of the present invention it is sufficient that the side seal portion is formed in a laminated state in which the fiber supplement sheet is laminated on the stretchable fiber sheet.
  • the timing of forming the stacked state is not limited.
  • the supplementary fiber sheet 2 is laminated on the stretchable fiber sheet 1 in the step of laminating the supplementary fiber sheet 2 on the stretchable fiber sheet 1, that is, before the step of forming the side seal portions.
  • the supplementary fiber sheet may be laminated on the stretchable fiber sheet at the timing when the left side seal portion and the right side seal portion are joined.
  • the fiber supplemental sheet is sandwiched between both stretchable fiber sheets, and at the same time, the left side seal portion and the right side seal portion are formed in the sheet laminate. may be formed.
  • the timing of the cutting process is not limited to the timing in the above embodiment.
  • the cutting step is performed after the side seal portion forming step, but the side seal portion forming step may be performed after the cutting step.
  • the sheet laminate is cut so as to be divided in the sheet longitudinal direction for each portion forming the kimono article.
  • a worn article is formed by forming a left side seal portion and a right side seal portion in a state in which the cut laminated sheets are opposed to each other in the sheet width direction.
  • the cutting step may be performed at an early stage in the manufacturing method of the worn article.
  • the stretchable fiber sheet is cut so as to be divided in the sheet longitudinal direction to cut out a plurality of stretchable fiber sheet divided pieces.
  • Each stretchable fiber sheet split piece includes a portion forming a front waistline portion and a portion forming a rear waistline portion arranged in the sheet width direction.
  • the elastic member and the fiber supplementary sheet are laminated on a plurality of sheet lamination regions in the portion forming the front waist portion and the portion forming the rear waist portion. After that, in a state in which the elastic member and the supplemental fiber sheet are laminated, the elastic fiber sheet split pieces are opposed to each other in the sheet width direction to form the left side seal portion and the right side seal portion. This forms a worn article.
  • the crotch portion of the front waistline portion and the crotch portion of the rear waistline portion are cut out from the sheet laminate in a state where they are connected by the absorbent main body.
  • the front waistline portion and the rear waistline portion may be separately cut out from the sheet stack.
  • side seal forming step side seal portions are formed in the separate front waistline portion and rear waistline portion.
  • the separate crotch portion of the front waistline portion and the crotch portion of the rear waistline portion are joined to each other or connected via the absorbent main body.
  • a method for manufacturing a worn article for solving the above-mentioned problems is a worn article covering the front abdomen, crotch portion and rear back of a wearer, comprising: A front waist portion including a right front end portion covering the wearer's front abdomen, and a left front waist portion by being joined to the inner surface in a state of being laminated on the inner surface of each of the left front end portion and the right front end portion.
  • the method comprising: elastic fibers made of fibers having elasticity; and elasticity less than the elasticity of the elastic fibers. and at least one of the portions to be formed of the left side seal portion; The left side is joined by overlapping and joining the left front end and the left rear end of each wearing article in a laminated state in which a fiber supplement sheet composed of nonwoven fabric is laminated on the stretchable fiber sheet at the part.
  • the wearing article manufactured by the method for manufacturing a wearing article described above although the fiber density of the stretchable fiber sheet is low, the bonding strength between the left side seal portion and the right side seal portion can be ensured, and the stretchable fiber sheet can of air permeability can be ensured.
  • the fiber density of the stretchable fiber sheet is reduced by joining the stretchable fiber sheets in a laminated state in which the fiber supplementary sheet is interposed between the stretchable fiber sheets.
  • the fiber supplement sheet can supplement the fiber density and thereby ensure sufficient bond strength.
  • the amount of fiber per unit area in the portion where the stretchable fiber sheet and the supplementary fiber sheet are integrally joined in a laminated state is greater than the amount of fiber per unit area in the stretchable fiber sheet alone. Since the amount of fibers involved in bonding increases, sufficient bonding strength can be ensured.
  • a supplemental fiber sheet is interposed between the stretchable fiber sheets to supplement the fiber density, thereby ensuring sufficient bonding strength.
  • the step of forming the left side seal portion includes, in the layered state, the left front side end portion and the left front side end portion at least at both end portions in the left seal extension direction of the portion to be formed with the left side seal portion.
  • the left rear side end portion is overlapped and joined
  • the left side seal extending direction is a direction perpendicular to the article width direction and the direction in which the left side seal portion extends
  • the right side In the seal portion forming step, the right front end portion and the right rear end portion are overlapped and joined in the stacked state at least at both end portions in the extending direction of the right seal portion in the portion to be formed of the right side seal portion.
  • the right seal extending direction is a direction orthogonal to the article width direction and a direction in which the right side seal portion extends.
  • the direction in which the left side seal portion and the right side seal portion (hereinafter, the left side seal portion and the right side seal portion are collectively referred to as the side seal portions) extends. Since the joint strength can be ensured at both ends, it is possible to suppress unintentional tearing of the side seal portions from both ends in the extending direction.
  • the bonding strength of the both ends in the left seal extending direction is ensured.
  • the both ends are parts where stress concentration occurs particularly.
  • the preparing step includes preparing a stretchable fiber sheet extending in a sheet longitudinal direction corresponding to the width direction of the article, and stretching the stretchable fiber sheet in the sheet longitudinal direction. and forming a sheet laminate in which a plurality of fiber supplementary sheets extending in the longitudinal direction of the sheet are laminated only in a plurality of sheet lamination regions set so as to be aligned in the sheet width direction orthogonal to the is preferred.
  • a sheet laminate extending in the longitudinal direction is formed by laminating a plurality of fiber supplementary sheets extending in the longitudinal direction on a plurality of sheet laminating regions of the stretchable fiber sheet extending in the longitudinal direction of the sheet. can be formed. Thereby, a plurality of wearing articles can be efficiently mass-produced.
  • the sheet lamination region when the sheet lamination region is set so as to include the end portions in the side seal extending direction in the region where the side seal portions are formed, a plurality of elastic fiber sheets are provided at both end portions of the side seal portions in the side seal extending direction.
  • of fiber supplemental sheets can be efficiently laminated. Specifically, a sheet stacking region extending in the longitudinal direction of the sheet from one of both ends of the left side seal portion to one of both ends of the right side seal portion, and a sheet stacking region extending in the longitudinal direction of the sheet from one of both ends of the left side seal portion to both ends of the right side seal portion from the other of both ends of the left side seal portion. and a sheet lamination region extending in the longitudinal direction of the sheet to the other side of the elastic fiber sheet.
  • the fiber supplemental sheet can be efficiently arranged.
  • the stretchable fiber sheet and the plurality of fiber-supplementary sheets are conveyed together in the longitudinal direction of the sheet, and the plurality of fiber-supplementary sheets are attached to the stretchable fiber sheet. It is preferable to form the sheet laminate by laminating the above.
  • the stretchable fiber sheet is supplied with a plurality of fibers along the flow of transportation of the stretchable fiber sheet. Sheets can be efficiently laminated.
  • the plurality of sheet-laminated regions set in the preparation step are the front waistline portion and the back waistline portion in the left side seal portion forming step and the right side seal portion forming step. each of which includes at least a pair of opposing regions that can face each other;
  • the left side seal portion is formed in a state of being laminated between the sheets, and in the right side seal portion forming step, the fiber supplementary sheets respectively arranged in the pair of opposing regions are separated from the stretchable fiber sheet. It is preferable to form the right side seal portion in a laminated state with the stretchable fiber sheet.
  • the elastic fiber sheet can be reinforced by ensuring the thickness of the fiber-supplementary sheet at the time of bonding, while reducing the thickness of the fiber-supplementary sheet before bonding.
  • the supplementary fiber sheet is laminated on the stretchable fiber sheet so as to be dispersed in a pair of facing possible regions at the left front end and the left rear end.
  • the fiber supplementary sheets are arranged so as to be dispersed in each of the pair of facing possible regions at the right front end and the right rear end. While reducing the thickness of the fiber supplemental sheet before joining by such a distributed arrangement, the left side seal portion and the right front end and the right rear side are joined so that the left front end and the left rear end are opposed to each other.
  • a supplementary fiber sheet can be laminated between the stretchable fiber sheet and the stretchable fiber sheet at the right side seal portion where the ends are opposed and joined. As a result, a large amount of fibers that can be involved in bonding can be secured, so that the bonding strength of the left side seal portion and the right side seal portion can be secured.
  • the fiber-supplementary sheet and the fiber-supplementary sheet are laminated while sandwiching an elastic member between the fiber-supplementary sheet and the fiber-supplementary sheet. preferable.
  • the elastic member can be arranged when the stretchable fiber sheet and the fiber supplementary sheet are laminated, a sheet separate from the fiber supplementary sheet is used for arranging the elastic member.
  • the elastic member can be arranged efficiently compared to the case of preparing and laminating this on the stretchable fiber sheet.
  • the supplementary fiber sheet is laminated on the stretchable fiber sheet over the entire length of at least one of the front waist portion and the rear waist portion in the width direction of the article. is preferred.
  • the elastic member can be arranged by utilizing the space between the fiber-supplementary sheet and the stretchable fiber sheet over the entire length in the width direction of the article. Therefore, the elastic members can be efficiently arranged over the entire length in the article width direction, compared to the case where the elastic members are intermittently arranged in the article width direction.
  • the elastic member in the preparing step, is combined with the stretchable fiber sheet and the fiber-supplementary sheet so as to extend in the article-width direction of the fiber-supplementary sheet and be stretchable in the article-width direction. It is preferable to sandwich between
  • elasticity can be imparted to the wearing article in the article width direction.
  • the stretchable fiber sheet and the fiber-supplementary sheet are thermoplastic nonwoven fabrics, and in the step of forming the left side seal portion and the step of forming the right side seal portion, the left side seal portion
  • the elastic fiber sheet and the fiber supplemental sheet are thermally welded to the left side seal part and the right side seal part is preferably formed.
  • both side seal portions can be formed in a state in which the amount of fibers is increased by the fiber-supplementary sheet. Therefore, it is possible to ensure the joint strength of the both side seal portions.
  • "Thermal welding” is not limited to applying heat directly to the sheet, and includes heating the sheet by applying ultrasonic vibrations to the sheet.
  • a worn article for solving the above-mentioned problems is a worn article that covers the wearer's front abdomen, crotch region and rear back, and has a left front end and a right front end in the width direction of the wearer along the waist of the wearer.
  • a front waist portion that covers the wearer's front abdomen including a portion, and a left side seal portion that is laminated on the inner surface of each of the left front end and the right front end and is joined to the inner surface and the right side seal portion, which covers the back of the wearer and includes the left rear end and the right rear end in the width direction of the article, and the front waist in the portion located at the crotch portion of the wearer and a back waist portion connected to the portion, wherein the front waist portion and the back waist portion are elastic fibers made of fibers having elasticity, and elastic fibers having elasticity smaller than that of the elastic fibers and being elongated.
  • the left side seal portion comprises at least a part of the left side seal portion, the stretchable fiber sheet
  • the left front end portion and the left rear end portion of each wearing article are overlapped and joined in a laminated state in which fiber supplementary sheets made of nonwoven fabric are laminated
  • the right side seal portion includes the In at least a part of the right side seal portion, the right front end and the right rear end of each wearing article are overlapped and joined in the laminated state, and at least a part of the stretchable fiber sheet is joined.
  • the wearing article although the fiber density of the stretchable fiber sheet is low, it is possible to secure the joint strength of the left side seal portion and the right side seal portion, and to secure the breathability of the stretchable fiber sheet. .
  • the stretchable fiber sheet and the stretchable fiber sheet are joined in a laminated state with the fiber supplemental sheet interposed between them. Therefore, although the fiber density of the stretchable fiber sheet is low, First, the fiber density is supplemented by the fiber supplementary sheet, thereby ensuring sufficient bonding strength. In other words, the amount of fiber per unit area in the portion where the stretchable fiber sheet and the supplementary fiber sheet are integrally joined in a laminated state is greater than the amount of fiber per unit area in the stretchable fiber sheet alone. Since the amount of fibers involved in bonding increases, sufficient bonding strength can be ensured. Similarly, in the right side seal portion, the fiber density is supplemented by interposing the fiber supplementary sheet between the stretchable fiber sheets, thereby ensuring sufficient bonding strength.
  • the left front side end and the left rear side end are overlapped and joined in the laminated state at least at both ends of the left side seal portion in the left seal extending direction, and the right side seal
  • the right front end portion and the right rear end portion are overlapped and joined in the laminated state at least at both end portions in the right seal extending direction of the part, and the left seal extending direction extends with respect to the article width direction.
  • the right seal extending direction is a direction orthogonal to the article width direction and a direction in which the right side seal extends.
  • the side seal portions are unintentionally torn from both ends in the extending direction. can be suppressed.
  • the above-mentioned wearing article preferably further comprises an elastic member arranged between the stretchable fiber sheet and the supplemental fiber sheet.
  • the stretchability of the portion can be improved.
  • the fiber-supplementary sheet is arranged over the entire length of at least one of the front waistline portion and the rear waistline portion in the width direction of the article.
  • the elastic member is intermittently arranged in the article width direction by arranging the elastic member over the entire length of at least one of the front waist portion and the rear waist portion in the article width direction. Compared to , the stretchability can be improved over the entire length of the wearing article in the article width direction.
  • the elastic member extends in the article width direction of the fiber-supplementary sheet and is stretchable in the article width direction.
  • the elasticity of the wearing article in the article width direction can be improved by the elastic member.
  • the stretchable fiber sheet and the supplemental fiber sheet are thermoplastic nonwoven fabrics, the left front end and the left rear end are thermally welded together, and the right front end is heat-sealed. and the right rear end portion are preferably thermally welded together.
  • the both side seal portions are formed in a state in which the amount of fibers is increased by the fiber supplement sheet, it is possible to ensure the bonding strength of the both side seal portions.
  • “Thermal welding” is not limited to applying heat directly to the sheet, and includes heating the sheet by applying ultrasonic vibrations to the sheet.
  • the fiber density of the fiber-supplementary sheet is preferably higher than that of the stretchable fiber sheet.
  • the fiber content per unit area of the portion where the stretchable fiber sheet and the fiber supplementary sheet are integrally joined in a laminated state is surely larger than the fiber content per unit area of the stretchable fiber sheet alone. As a result, sufficient bonding strength can be ensured at the portion.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
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  • General Health & Medical Sciences (AREA)
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  • Manufacturing & Machinery (AREA)
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  • Absorbent Articles And Supports Therefor (AREA)
PCT/JP2022/020738 2021-05-24 2022-05-18 着用物品の製造方法及びその着用物品 WO2022249957A1 (ja)

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CN202280037375.8A CN117500467A (zh) 2021-05-24 2022-05-18 穿着物品的制造方法及该穿着物品
US18/562,447 US20240238129A1 (en) 2021-05-24 2022-05-18 Method of manufacturing article of clothing and article of clothing
EP22811229.8A EP4331544A4 (en) 2021-05-24 2022-05-18 Method of manufacturing article of clothing and article of clothing

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JP2008531181A (ja) * 2005-03-02 2008-08-14 エスセーアー・ハイジーン・プロダクツ・アーベー 使い捨て式衛生用パンツ
JP2009160129A (ja) * 2007-12-28 2009-07-23 Daio Paper Corp パンツ型使い捨ておむつ
JP2010512943A (ja) * 2006-12-22 2010-04-30 エスセーアー・ハイジーン・プロダクツ・アーベー パンツ型吸収用品およびパンツ型吸収用品を製造するための方法
JP2016125188A (ja) * 2014-12-26 2016-07-11 ユニ・チャーム株式会社 伸縮性不織布の製造方法
JP2019070221A (ja) 2015-03-09 2019-05-09 三井化学株式会社 不織布積層体、伸縮性不織布積層体、繊維製品、吸収性物品及び衛生マスク

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JP3735586B2 (ja) * 2002-05-30 2006-01-18 ユニ・チャーム株式会社 表示要素形成方法
JP6050969B2 (ja) * 2012-06-22 2016-12-21 花王株式会社 パンツ型着用物品およびその製造方法

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JP2008531181A (ja) * 2005-03-02 2008-08-14 エスセーアー・ハイジーン・プロダクツ・アーベー 使い捨て式衛生用パンツ
JP2010512943A (ja) * 2006-12-22 2010-04-30 エスセーアー・ハイジーン・プロダクツ・アーベー パンツ型吸収用品およびパンツ型吸収用品を製造するための方法
JP2009160129A (ja) * 2007-12-28 2009-07-23 Daio Paper Corp パンツ型使い捨ておむつ
JP2016125188A (ja) * 2014-12-26 2016-07-11 ユニ・チャーム株式会社 伸縮性不織布の製造方法
JP2019070221A (ja) 2015-03-09 2019-05-09 三井化学株式会社 不織布積層体、伸縮性不織布積層体、繊維製品、吸収性物品及び衛生マスク

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See also references of EP4331544A4

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US20240238129A1 (en) 2024-07-18
CN117500467A (zh) 2024-02-02
EP4331544A4 (en) 2024-10-23
EP4331544A1 (en) 2024-03-06

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