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WO2026008158A1 - Article absorbant durable pourvu d'une structure de régulation d'écoulement de fluide - Google Patents

Article absorbant durable pourvu d'une structure de régulation d'écoulement de fluide

Info

Publication number
WO2026008158A1
WO2026008158A1 PCT/EP2024/069046 EP2024069046W WO2026008158A1 WO 2026008158 A1 WO2026008158 A1 WO 2026008158A1 EP 2024069046 W EP2024069046 W EP 2024069046W WO 2026008158 A1 WO2026008158 A1 WO 2026008158A1
Authority
WO
WIPO (PCT)
Prior art keywords
absorbent article
layer
flow control
control structure
absorbent
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/EP2024/069046
Other languages
English (en)
Inventor
Morgan SWEDBERG
Patrik Andersson
Anna Nihlstrand
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Essity Hygiene and Health AB
Original Assignee
Essity Hygiene and Health AB
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 Essity Hygiene and Health AB filed Critical Essity Hygiene and Health AB
Priority to PCT/EP2024/069046 priority Critical patent/WO2026008158A1/fr
Publication of WO2026008158A1 publication Critical patent/WO2026008158A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53717—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the horizontal 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
    • A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
    • A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
    • A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
    • A61F13/53708—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction
    • A61F13/53713—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer the layer having a promotional function on liquid propagation in at least one direction the layer having a promotional function on liquid propagation in the vertical direction

Landscapes

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

Abstract

L'invention concerne un article absorbant comportant une feuille supérieure perméable aux liquides (1), une feuille arrière imperméable aux liquides (4), un noyau absorbant (3) agencé entre la feuille supérieure (1) et la feuille arrière (4), et une structure de régulation d'écoulement de fluide (2, 20) agencée entre la feuille supérieure (1) et le noyau absorbant (3). La structure de régulation d'écoulement de fluide (2, 20) comporte une première couche (21) qui comprend un film tridimensionnel ajouré formé à partir de cellulose régénérée.
PCT/EP2024/069046 2024-07-05 2024-07-05 Article absorbant durable pourvu d'une structure de régulation d'écoulement de fluide Pending WO2026008158A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2024/069046 WO2026008158A1 (fr) 2024-07-05 2024-07-05 Article absorbant durable pourvu d'une structure de régulation d'écoulement de fluide

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2024/069046 WO2026008158A1 (fr) 2024-07-05 2024-07-05 Article absorbant durable pourvu d'une structure de régulation d'écoulement de fluide

Publications (1)

Publication Number Publication Date
WO2026008158A1 true WO2026008158A1 (fr) 2026-01-08

Family

ID=91898943

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2024/069046 Pending WO2026008158A1 (fr) 2024-07-05 2024-07-05 Article absorbant durable pourvu d'une structure de régulation d'écoulement de fluide

Country Status (1)

Country Link
WO (1) WO2026008158A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513148B1 (fr) * 1990-01-23 1997-10-22 The Procter & Gamble Company Structures absorbantes contenant une couche de fibres raidies thermoliees ainsi qu'une couche de matiere superabsorbante
US20060178650A1 (en) * 2005-02-08 2006-08-10 Paper-Pak Sweden Ab Absorbent article
EP3730112A1 (fr) * 2019-10-02 2020-10-28 Lenzing Aktiengesellschaft Couche d'acquisition/de distribution et article d'hygiène absorbant contenant ladite couche d'acquisition/de distribution

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0513148B1 (fr) * 1990-01-23 1997-10-22 The Procter & Gamble Company Structures absorbantes contenant une couche de fibres raidies thermoliees ainsi qu'une couche de matiere superabsorbante
US20060178650A1 (en) * 2005-02-08 2006-08-10 Paper-Pak Sweden Ab Absorbent article
EP3730112A1 (fr) * 2019-10-02 2020-10-28 Lenzing Aktiengesellschaft Couche d'acquisition/de distribution et article d'hygiène absorbant contenant ladite couche d'acquisition/de distribution

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