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1. (EP2685952) FLUID PERMEABLE STRUCTURED FIBROUS WEB

Office : European Patent Office
Application Number: 12710629 Application Date: 14.03.2012
Publication Number: 2685952 Publication Date: 22.01.2014
Publication Kind : A1
Designated States: AL,AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LI,LT,LU,LV,MC,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,TR
Prior PCT appl.: Application Number:US2012029050 ; Publication Number: Click to see the data
IPC:
A61F 13/537
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
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
13
Bandages or dressings; Absorbent pads
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
53
characterised by the absorbing medium
534
having an inhomogeneous composition through the thickness of the pad
537
characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
CPC:
A61F 13/53708
A61F 13/53747
A61F 13/5376
A61L 15/26
Applicants: PROCTER & GAMBLE
Inventors: WEISMAN PAUL THOMAS
WEINBERGER ERIC PATTON
BOND ERIC BRYAN
COLLIAS DIMITRIS IOANNIS
KELLETT PATTI JEAN
Priority Data: 201113047920 15.03.2011 US
2012029050 14.03.2012 US
Title: (DE) FLÜSSIGKEITSDURCHLÄSSIGE STRUKTURIERTE FASERBAHN
(EN) FLUID PERMEABLE STRUCTURED FIBROUS WEB
(FR) RÉSEAU FIBREUX STRUCTURÉ PERMÉABLE AUX FLUIDES
Abstract:
(EN) A disposable absorbent article having a fluid permeable structured fibrous web with thermally stable, fibers that are thermally bonded together using heat provides a base substrate that is thermally stable. The base substrate is textured via mechanical treatment producing a structured fibrous web having an aged caliper of less than 1.5 mm, a vertical wicking height of at least 5 mm, a permeability of at least 10,000 cm2/(Pa·s) and a specific volume of at least 5 cm3/g. The structured fibrous web provides optimal fluid wicking and fluid acquisition capabilities and is directed toward fluid management applications. The structured fibrous web has a bio-based content of about 10% to about 100% using ASTM D6866-10, method B.
(FR) Cette invention concerne un article absorbant jetable comportant un réseau fibreux structuré perméable aux fluides doté de fibres thermostables qui sont liées les unes aux autres par de la chaleur et assurant un substrat de base thermostable. Le substrat de base est texturé au moyen d'un traitement mécanique produisant un réseau fibreux structuré d'un calibre de moins de 1,5 mm, d'une épaisseur d'au moins 5 mm, d'une perméabilité d'au moins 10 000 cm2/(Pa•s) et d'un volume spécifique d'au moins 5 cm3/g. Le réseau fibreux structuré assure des capacités optimales de capillarité et d'absorption des fluides et convient pour des applications de traitement des fluides. Le réseau fibreux structuré présente une teneur biologique d'environ 10 % à environ 100 % d'après la méthode B de la norme ASTM D6866-10.