ES2117385T3 - Estructura absorbente por osmosis y capilaridad con densidad diferencial y procedimiento para su fabricacion. - Google Patents

Estructura absorbente por osmosis y capilaridad con densidad diferencial y procedimiento para su fabricacion.

Info

Publication number
ES2117385T3
ES2117385T3 ES95901931T ES95901931T ES2117385T3 ES 2117385 T3 ES2117385 T3 ES 2117385T3 ES 95901931 T ES95901931 T ES 95901931T ES 95901931 T ES95901931 T ES 95901931T ES 2117385 T3 ES2117385 T3 ES 2117385T3
Authority
ES
Spain
Prior art keywords
absorbent structure
substrate
sections
absorbent
low density
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
ES95901931T
Other languages
English (en)
Spanish (es)
Inventor
Paul Dennis Trokhan
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=22557573&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2117385(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 ES2117385T3 publication Critical patent/ES2117385T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61F13/53Absorbent 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
    • A61F13/531Absorbent 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 a homogeneous composition through the thickness of the pad
    • A61F13/532Absorbent 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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad
    • A61F13/5323Absorbent 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 a homogeneous composition through the thickness of the pad inhomogeneous in the plane of the pad having absorbent material located in discrete regions, e.g. pockets
    • 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
    • A61F13/53Absorbent 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
    • A61F13/53708Absorbent 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
    • A61F13/53717Absorbent 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
    • 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
    • A61F13/53Absorbent 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
    • A61F13/5376Absorbent 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 performance of the layer, e.g. acquisition rate, distribution time, transfer time
    • 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
    • A61F13/15203Properties of the article, e.g. stiffness or absorbency
    • A61F2013/15284Properties of the article, e.g. stiffness or absorbency characterized by quantifiable properties
    • A61F2013/15422Density
    • A61F2013/1543Density with a density gradient in the horizontal plane
    • 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
    • A61F13/53Absorbent 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
    • A61F13/53708Absorbent 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
    • A61F2013/53721Absorbent 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 with capillary means

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
ES95901931T 1993-11-19 1994-11-18 Estructura absorbente por osmosis y capilaridad con densidad diferencial y procedimiento para su fabricacion. Expired - Lifetime ES2117385T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15598193A 1993-11-19 1993-11-19

Publications (1)

Publication Number Publication Date
ES2117385T3 true ES2117385T3 (es) 1998-08-01

Family

ID=22557573

Family Applications (1)

Application Number Title Priority Date Filing Date
ES95901931T Expired - Lifetime ES2117385T3 (es) 1993-11-19 1994-11-18 Estructura absorbente por osmosis y capilaridad con densidad diferencial y procedimiento para su fabricacion.

Country Status (11)

Country Link
EP (1) EP0729336B1 (enExample)
JP (1) JPH09505225A (enExample)
AT (1) ATE167049T1 (enExample)
AU (2) AU1099095A (enExample)
BR (1) BR9408107A (enExample)
CA (1) CA2176702C (enExample)
DE (1) DE69411030T2 (enExample)
ES (1) ES2117385T3 (enExample)
SG (1) SG54287A1 (enExample)
TW (1) TW290444B (enExample)
WO (1) WO1995013779A1 (enExample)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6765125B2 (en) 1999-02-12 2004-07-20 Kimberly-Clark Worldwide, Inc. Distribution—Retention material for personal care products
US6645407B2 (en) 2001-12-14 2003-11-11 Kimberly-Clark Worldwide, Inc. Process for making absorbent material with in-situ polymerized superabsorbent
US6918981B2 (en) 2001-12-14 2005-07-19 Kimberly-Clark Worldwide, Inc. Process for adding superabsorbent to a pre-formed fibrous web using two polymer precursor streams
US6872275B2 (en) 2001-12-14 2005-03-29 Kimberly-Clark Worldwide, Inc. Process for adding superabsorbent to a pre-formed fibrous web via in situ polymerization
US7018497B2 (en) 2001-12-14 2006-03-28 Kimberly-Clark Worldwide, Inc. Method of making an absorbent structure having high integrity
US7189888B2 (en) 2001-12-21 2007-03-13 Kimberly-Clark Worldwide, Inc. Nonabsorbent surge layer having discrete regions of superabsorbent and method for making
US20060206073A1 (en) * 2005-03-11 2006-09-14 Crane Patrick L Insitube-formed absorbent core structures
EP1922045B1 (en) 2005-09-07 2012-11-07 Tyco Healthcare Group LP Self contained wound dressing with micropump
CN101484308B (zh) * 2006-07-07 2013-03-27 尤妮佳股份有限公司 片状部件、含有高密度区域的片材的制造方法以及使用片状部件的一次性尿布
JP6208124B2 (ja) 2011-07-14 2017-10-04 スミス アンド ネフュー ピーエルシーSmith & Nephew Public Limited Company 創傷被覆材および当該創傷被覆材を製造する方法
BR112014029100A2 (pt) 2012-05-23 2017-06-27 Smith & Nephew aparelhos e métodos para terapia de ferida por pressão negativa
HUE033329T2 (en) 2012-08-01 2017-11-28 Smith & Nephew dressing
EP4112020B1 (en) 2012-08-01 2025-12-10 Smith & Nephew plc Wound dressing and method of treatment
EP3666237B1 (en) 2014-06-18 2023-11-01 Smith & Nephew plc Wound dressing
GB2555584B (en) 2016-10-28 2020-05-27 Smith & Nephew Multi-layered wound dressing and method of manufacture
DE102018009469A1 (de) * 2018-12-04 2020-06-04 Gerhard Weber Verbindungselement zwischen Kapillaren, das die Bildung einer neuen Flüssigkeitssäule in der nachfolgenden Kapillare bewirkt

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2222780C3 (de) * 1972-05-10 1975-05-07 Vereinigte Papierwerke Schickedanz & Co, 8500 Nuernberg Verfahren zum Festlegen von feinteiligen in Hygiene-Artikeln zu verwendenden hydrokolloiden Quellstoffen auf Unterlagen
US4381783A (en) * 1978-10-24 1983-05-03 Johnson & Johnson Absorbent article
FR2446357B1 (fr) * 1979-01-12 1985-07-12 Beghin Say Sa Procede d'insertion de produits super-absorbants dans une structure fibreuse
US4259958A (en) * 1979-06-06 1981-04-07 Riegel Textile Corporation Multi-layer absorbent pad for disposable absorbent articles and process for producing same
BR8107160A (pt) * 1980-11-17 1982-07-20 Johnson & Johnson Estrutura absrovente adequada para a absorcao de fluidos corporais dispositivo de incontinencia de adultos fralda descartavel e absorvente higienico
US4781710A (en) * 1987-05-15 1988-11-01 The Procter & Gamble Company Absorbent pad having improved liquid distribution
US4892535A (en) * 1987-08-07 1990-01-09 Landstingens Inkopscentral, Lic, Ekonomisk Forening Absorbent pad and method and apparatus for making the same
US5013309A (en) * 1989-04-24 1991-05-07 Kem-Wove Incorporated Incontinent pad with high absorbent packet
SE501146C2 (sv) * 1990-03-26 1994-11-28 Moelnlycke Ab Absorberande alster, såsom dambinda och inkontinensskydd, innefattande en absorptionskropp uppbyggd av två skilda absorptionsskikt

Also Published As

Publication number Publication date
DE69411030T2 (de) 1998-10-29
HK1012162A1 (en) 1999-07-23
CA2176702A1 (en) 1995-05-26
EP0729336A1 (en) 1996-09-04
TW290444B (enExample) 1996-11-11
AU8088298A (en) 1998-10-15
CA2176702C (en) 2000-03-28
WO1995013779A1 (en) 1995-05-26
ATE167049T1 (de) 1998-06-15
BR9408107A (pt) 1997-08-05
DE69411030D1 (de) 1998-07-16
SG54287A1 (en) 1998-11-16
AU1099095A (en) 1995-06-06
JPH09505225A (ja) 1997-05-27
EP0729336B1 (en) 1998-06-10

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