DE3917791C2 - - Google Patents

Info

Publication number
DE3917791C2
DE3917791C2 DE3917791A DE3917791A DE3917791C2 DE 3917791 C2 DE3917791 C2 DE 3917791C2 DE 3917791 A DE3917791 A DE 3917791A DE 3917791 A DE3917791 A DE 3917791A DE 3917791 C2 DE3917791 C2 DE 3917791C2
Authority
DE
Germany
Prior art keywords
nonwoven material
material according
discrete
hydrophilized
fibers
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 - Fee Related
Application number
DE3917791A
Other languages
German (de)
English (en)
Other versions
DE3917791A1 (de
Inventor
Heinz-H. Boich
Tarek Dr. 3150 Peine De Fahmy
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.)
Corovin GmbH
Original Assignee
Corovin GmbH
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 Corovin GmbH filed Critical Corovin GmbH
Priority to DE3917791A priority Critical patent/DE3917791A1/de
Priority to PCT/DE1990/000413 priority patent/WO1990014813A1/de
Publication of DE3917791A1 publication Critical patent/DE3917791A1/de
Application granted granted Critical
Publication of DE3917791C2 publication Critical patent/DE3917791C2/de
Granted legal-status Critical Current

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
    • 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
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/5116—Topsheet, i.e. the permeable cover or layer facing the skin being formed of multiple layers
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/512—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations
    • A61F13/5123—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its apertures, e.g. perforations the apertures being formed on a multilayer top sheet
    • 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
    • A61F13/51—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 outer layers
    • A61F13/511—Topsheet, i.e. the permeable cover or layer facing the skin
    • A61F13/513—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability
    • A61F13/51305—Topsheet, i.e. the permeable cover or layer facing the skin characterised by its function or properties, e.g. stretchability, breathability, rewet, visual effect; having areas of different permeability having areas of different permeability
    • 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
    • A61F13/53743—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 characterised by the position of the layer relative to the other layers
    • A61F13/53747—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 characterised by the position of the layer relative to the other layers the layer is facing the topsheet
    • 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
    • A61F2013/53765—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 characterized by its geometry
    • A61F2013/53782—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 characterized by its geometry with holes

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)
DE3917791A 1989-06-01 1989-06-01 Vliesmaterial, insbesondere verbundvliesmaterial Granted DE3917791A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3917791A DE3917791A1 (de) 1989-06-01 1989-06-01 Vliesmaterial, insbesondere verbundvliesmaterial
PCT/DE1990/000413 WO1990014813A1 (de) 1989-06-01 1990-05-29 Vliesmaterial, insbesondere verbundvliesmaterial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3917791A DE3917791A1 (de) 1989-06-01 1989-06-01 Vliesmaterial, insbesondere verbundvliesmaterial

Publications (2)

Publication Number Publication Date
DE3917791A1 DE3917791A1 (de) 1990-12-06
DE3917791C2 true DE3917791C2 (US20080094685A1-20080424-C00004.png) 1992-06-04

Family

ID=6381795

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3917791A Granted DE3917791A1 (de) 1989-06-01 1989-06-01 Vliesmaterial, insbesondere verbundvliesmaterial

Country Status (2)

Country Link
DE (1) DE3917791A1 (US20080094685A1-20080424-C00004.png)
WO (1) WO1990014813A1 (US20080094685A1-20080424-C00004.png)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5669895A (en) 1991-11-11 1997-09-23 The Procter & Gamble Company Absorbent article having rapid distribution strip
US5728084A (en) 1992-09-16 1998-03-17 The Proctor & Gamble Company Absorbent article with controlled distribution of liquid
DE19949115A1 (de) * 1999-10-12 2001-05-23 Boich Heinz Horst Flüssigkeitsverteilungs- und Speicher-System

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4108937C2 (de) * 1990-12-27 1994-09-22 Corovin Gmbh Abdeckvlies
WO1992011830A2 (en) * 1991-01-03 1992-07-23 The Procter & Gamble Company Absorbent article having rapid acquiring, multiple layer absorbent core
US5899894A (en) * 1991-07-30 1999-05-04 Societa' Consortile Ricerche Angelini, S.p.A. Absorbent article with elasticated flaps
DE9219163U1 (de) * 1991-11-11 1998-08-27 The Procter & Gamble Co., Cincinnati, Ohio Absorbierender Artikel mit schnellverteilendem und komfortablem Deckblatt
DE4321155C2 (de) * 1993-06-25 2003-10-30 Procter & Gamble Flächiges, nicht-gewebtes Fasernlagenmaterial zum Einsatz in Hygieneartikeln
DK0725614T3 (da) * 1993-10-28 2000-02-28 Kobs Houlberg Vibeke Fremgangsmåde til at fremstille gennemstrømningslinier i et sanitært produkt
DE9406026U1 (de) * 1994-04-12 1994-06-01 VP-Schickedanz AG, 90489 Nürnberg Hygiene-Zellstofftuch
DE4437165A1 (de) * 1994-10-18 1996-04-25 Hpp & C Marketing Consultants Unidirektional flüssigkeitsdurchlässige Bahn
WO1998024618A1 (en) * 1996-12-06 1998-06-11 Bba Nonwovens Simpsonville, Inc. Nonwoven web laminate having relatively hydrophilic zone and related method for its manufacture
US5990377A (en) * 1997-03-21 1999-11-23 Kimberly-Clark Worldwide, Inc. Dual-zoned absorbent webs
GB9712249D0 (en) * 1997-06-13 1997-08-13 British United Shoe Machinery Absorbent layer
US6410820B1 (en) 1997-11-14 2002-06-25 The Procter & Gamble Company Method of making a slitted or particulate absorbent material and structures formed thereby
US6168849B1 (en) 1997-11-14 2001-01-02 Kimberly-Clark Worldwide, Inc. Multilayer cover system and method for producing same
EP0953324A1 (en) * 1998-04-28 1999-11-03 The Procter & Gamble Company Apertured laminate web
US6613028B1 (en) 1998-12-22 2003-09-02 Kimberly-Clark Worldwide, Inc. Transfer delay for increased access fluff capacity
DE19945548C1 (de) * 1999-09-23 2001-01-18 Sandler C H Gmbh Einweg-Hygieneartikel
DE602005012121D1 (de) 2005-09-23 2009-02-12 Procter & Gamble Perforierte Deck- und Flüssigkeitsaufnahmeschicht
EP1776940B1 (en) 2005-09-23 2012-06-06 The Procter & Gamble Company Apertured liquid acquisition dual layer
EP1767177B1 (en) * 2005-09-23 2016-06-15 The Procter & Gamble Company Apertured liquid acquisition layer with caliper recovery
US9237973B2 (en) * 2012-01-31 2016-01-19 Kimberly-Clark Worldwide, Inc. Treated apertures
US10767296B2 (en) * 2016-12-14 2020-09-08 Pfnonwovens Llc Multi-denier hydraulically treated nonwoven fabrics and method of making the same
WO2018112259A1 (en) * 2016-12-14 2018-06-21 First Quality Nonwovens, Inc. Hydraulically treated nonwoven fabrics and method of making the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1610508A1 (de) * 1967-09-30 1971-05-27 Bard Inc C R Gegenstand zum Adsorbieren von Fluessigkeiten
CA1033903A (en) * 1971-11-30 1978-07-04 Johnson And Johnson Hydrophobic sheet with hydrophilic passages
US3908659A (en) * 1974-03-14 1975-09-30 Procter & Gamble Absorbent pad structure, diaper construction utilizing same and methods of manufacture thereof
DE2722860B2 (de) * 1977-05-20 1980-04-10 J.H. Benecke Gmbh, 3000 Hannover Verbundflächengebilde mit hoher Saugfähigkeit
US4397644A (en) * 1982-02-04 1983-08-09 Kimberly-Clark Corporation Sanitary napkin with improved comfort
EP0235309B1 (en) * 1986-01-31 1989-10-11 Uni-Charm Corporation Facing for absorptive articles and process for making it
US4908026A (en) * 1986-12-22 1990-03-13 Kimberly-Clark Corporation Flow distribution system for absorbent pads

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5669895A (en) 1991-11-11 1997-09-23 The Procter & Gamble Company Absorbent article having rapid distribution strip
US5728084A (en) 1992-09-16 1998-03-17 The Proctor & Gamble Company Absorbent article with controlled distribution of liquid
DE19949115A1 (de) * 1999-10-12 2001-05-23 Boich Heinz Horst Flüssigkeitsverteilungs- und Speicher-System

Also Published As

Publication number Publication date
WO1990014813A1 (de) 1990-12-13
DE3917791A1 (de) 1990-12-06

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee