ES2050798T3 - Articulos absorbentes con nucleos absorbentes de multiples capas. - Google Patents

Articulos absorbentes con nucleos absorbentes de multiples capas.

Info

Publication number
ES2050798T3
ES2050798T3 ES89305224T ES89305224T ES2050798T3 ES 2050798 T3 ES2050798 T3 ES 2050798T3 ES 89305224 T ES89305224 T ES 89305224T ES 89305224 T ES89305224 T ES 89305224T ES 2050798 T3 ES2050798 T3 ES 2050798T3
Authority
ES
Spain
Prior art keywords
layer
liquids
absorbent
liquid handling
liquid
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.)
Expired - Lifetime
Application number
ES89305224T
Other languages
English (en)
Inventor
George Stephen Reising
Harry Bruce Bergman
Sandra Hintz Clear
Susan Elizabeth Guinn
Rolando Gomez-Santiago
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22731727&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2050798(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Procter and Gamble Co filed Critical Procter and Gamble Co
Application granted granted Critical
Publication of ES2050798T3 publication Critical patent/ES2050798T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

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    • A61F13/00Bandages or dressings; Absorbent pads
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    • A61F13/53Absorbent 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
    • A61F13/534Absorbent 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
    • A61F13/537Absorbent 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
    • A61F13/53743Absorbent 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 characterised by the position of the layer relative to the other layers
    • A61F13/53747Absorbent 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 characterised by the position of the layer relative to the other layers the layer is facing the topsheet
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    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
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    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
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    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007Form-fitting, self-adjusting disposable diapers
    • A61F13/49009Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
    • A61F2013/49031Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material being elastic in longitudinal direction
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    • A61F13/45Absorbent 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
    • A61F13/49Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F2013/49068Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline
    • A61F2013/49076Absorbent articles specially adapted to be worn around the waist, e.g. diapers characterized by the shape of the outline as "I"-shaped
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    • A61F2013/51059Absorbent 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 outer layers being sprayed with chemicals
    • A61F2013/51066Absorbent 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 outer layers being sprayed with chemicals for rendering the surface hydrophilic
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    • A61F2013/51409Backsheet, i.e. the impermeable cover or layer furthest from the skin characterised by the material being a film
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    • A61F13/534Absorbent 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
    • A61F13/537Absorbent 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
    • A61F2013/53795Absorbent 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 being a surge management layer
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F13/00Bandages or dressings; Absorbent pads
    • A61F13/15Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56Supporting or fastening means
    • A61F2013/5666Supporting or fastening means connected to itself

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

Abstract

OBJETOS ABSORBENTES TALES COMO PAÑALES DE USAR Y TIRAR, COMPRESAS, SERVILLETAS HIGIENICAS Y SIMILARES, QUE TIENEN NUCLEOS ABSORBENTES DE VARIAS CAPAS, QUE SON ADECUADOS PARA TOMAR Y CONTENER LIQUIDOS DE MANERA ESPECIALMENTE EFECTIVA Y EFICIENTE. EL NUCLEO ABSORBENTE CONSTA DE VARIAS CAPAS, INCLUYENDO UNA PRIMERA CAPA QUE TIENE MATERIAL FIBROSO Y TIENE UNA ZONA DE ABSORCION DE UNA DENSIDAD MEDIA RELATIVAMENTE MAS BAJA QUE LAS OTRAS PARTES DE LA PRIMERA CAPA, DE MODO QUE TOMA RAPIDAMENTE LIQUIDOS DESCARGADOS; UNA CAPA DE MANIPULACION DE LIQUIDOS, QUE ES INSENSIBLE A LA HUMEDAD, DE MODO QUE TOMA RAPIDAMENTE LIQUIDOS A TRAVES DE LA ZONA DE ABSORCION Y LOS DISTRIBUYE A TRAVES DE LA CAPA DE MANIPULACION DE LIQUIDOS A LA CAPA DE ALMACENAMIENTO Y LA PRIMERA CAPA; Y UNA CAPA DE ALMACENAMIENTO QUE CONSTA DE UNA COMBINACION DE MATERIAL FIBROSO Y PARTICULAS DISCRETAS DE MATERIAL GELATINOSO ABSORBENTE, QUE CONTIENE Y GUARDA LOS LIQUIDOS DEPOSITADOS EN EL NUCLEO ABSORBENTE Y PERMITE QUE LA CAPA DE MANIPULACION DE LIQUIDOS SE ESCURRA DE LOS LIQUIDOS QUE HA TOMADO, DE MODO QUE LA CAPA DE MANIPULACION DE LIQUIDOS PUEDE TENER SUFICIENTE CAPACIDAD PARA TOMAR Y DISTRIBUIR CARGAS DE LIQUIDOS POSTERIORES.
ES89305224T 1988-05-24 1989-05-23 Articulos absorbentes con nucleos absorbentes de multiples capas. Expired - Lifetime ES2050798T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/198,032 US4988344A (en) 1988-05-24 1988-05-24 Absorbent articles with multiple layer absorbent layers

Publications (1)

Publication Number Publication Date
ES2050798T3 true ES2050798T3 (es) 1994-06-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
ES89305224T Expired - Lifetime ES2050798T3 (es) 1988-05-24 1989-05-23 Articulos absorbentes con nucleos absorbentes de multiples capas.

Country Status (7)

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US (1) US4988344A (es)
EP (1) EP0343941B1 (es)
JP (1) JP2907867B2 (es)
AT (1) ATE103794T1 (es)
CA (1) CA1328952C (es)
DE (1) DE68914327T2 (es)
ES (1) ES2050798T3 (es)

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DE68914327T2 (de) 1994-08-25
EP0343941A3 (en) 1991-03-20
EP0343941A2 (en) 1989-11-29
US4988344A (en) 1991-01-29
DE68914327D1 (de) 1994-05-11
EP0343941B1 (en) 1994-04-06
JP2907867B2 (ja) 1999-06-21
CA1328952C (en) 1994-05-03
ATE103794T1 (de) 1994-04-15

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