WO2007059933A2 - Elements a haute elasticite et de forme anatomique destines a des couches bebes et a des produits d'incontinence - Google Patents

Elements a haute elasticite et de forme anatomique destines a des couches bebes et a des produits d'incontinence Download PDF

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Publication number
WO2007059933A2
WO2007059933A2 PCT/EP2006/011184 EP2006011184W WO2007059933A2 WO 2007059933 A2 WO2007059933 A2 WO 2007059933A2 EP 2006011184 W EP2006011184 W EP 2006011184W WO 2007059933 A2 WO2007059933 A2 WO 2007059933A2
Authority
WO
WIPO (PCT)
Prior art keywords
elastic
diaper
thread
side panel
elastic threads
Prior art date
Application number
PCT/EP2006/011184
Other languages
German (de)
English (en)
Other versions
WO2007059933A3 (fr
Inventor
Wilfried Fenske
Original Assignee
Wilfried Fenske
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 Wilfried Fenske filed Critical Wilfried Fenske
Publication of WO2007059933A2 publication Critical patent/WO2007059933A2/fr
Publication of WO2007059933A3 publication Critical patent/WO2007059933A3/fr

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
    • A61F13/45—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 shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/4902—Form-fitting, self-adjusting disposable diapers with elastic means characterised by the elastic material
    • 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
    • A61F13/45—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 shape
    • A61F13/49—Absorbent articles specially adapted to be worn around the waist, e.g. diapers
    • A61F13/49007—Form-fitting, self-adjusting disposable diapers
    • A61F13/49009—Form-fitting, self-adjusting disposable diapers with elastic means
    • A61F13/49014—Form-fitting, self-adjusting disposable diapers with elastic means the elastic means is located at the side panels

Definitions

  • Absorbent baby diapers and incontinence products have been available in various designs on the European and world markets since the 1970s and are therefore state of the art.
  • these products consist of a central segment, consisting primarily of a suction element of pulp and supersorber (101), a back foil as a moisture barrier (102) and a skin side, partly air, partly moisture-open one or more part layer for entry of the urine o.a. in the absorbent core (103).
  • this segment is reinforced in its longitudinal direction by one or more prestressed elastic threads or elements (104), and optionally additionally in the transverse direction by elastic elements (105, 106) in the later waist direction of the diaper to ensure good body contact.
  • one or more pieces of adhesive tape / Velcro tape systems are attached to the back of the diaper which, when the diaper is applied, are brought into engagement with a landing zone (109) mounted on the front.
  • the term "diaper” is used for all absorbent products in the fields of baby hygiene, incontinence products, medical technology and feminine hygiene, the basic structure of which satisfies this description and whose function is the absorption of body fluids. Variations of this theme, such as in the type of execution of the closure system or the arrangement of the elastic elements, which are obvious to the expert, or are in a similar form on the market, are state of the art.
  • the stretchable zone is formed from a laminate of one or more substrates having segmented thremoplastic elastomers which can be stretched transversely by a suitable transverse activation process (WO 2005/096855 A1).
  • the elastic elements may consist of commercially available elastomers, which can be processed in the cured state in thread or strip form under a pre-strain of 50-450%, such as Lycra, Dorlastan, elastane, spandex (all names are RTM), synthetic or natural rubber, or the like, all hereinafter referred to as elastic threads.
  • the substrates may consist of nonwovens / nonwovens, film / foil, paper / pulp, laminates, or the like. as well as combinations thereof.
  • the connection of the components can be done by gluing, welding or mechanical connection.
  • FIG. 6a shows the simplest form of this design.
  • the elastic side panel consists of two sets of 50-450% pre-stretched elastic threads of 2-40 individual threads of 100-5000dTex, which are substantially parallel and equidistant within each group, but the two groups are angled in their respective principal directions of 3-45grd (in the stretched state) are positioned so that the forces exerted by the hook-and-loop fastener (608) in use are widely diverted into the bonding surface (601) to the diaper.
  • the bond between Velcro and the laminate can be improved by a "finger lift tab" (609) of film, nonwoven or paper, which is mounted on or between the substrates, whereby the ease of use when closing or opening the shutter is raised.
  • At least one of the substrates forming the framework of the side panel extends over the entire area of the side panel, including the anchoring zone (601) and the finger lift tab (609).
  • the anchoring (601) by gluing or welding can be carried out optionally on the outside of the diaper or between the backsheet and cover fleece, this anchoring zone being at a distance of 0-75 mm to the nearest outer edge of the diaper.
  • Variations of this embodiment result in such a way that the threads are arranged within each other at different distances from thread to adjacent thread of 1-25 mm,
  • the threads within the group are not arranged parallel to each other, but at an angle to each other from one thread to the next adjacent thread from -7grd to 7grd,
  • the threads are not straight in itself, but at each point have a radius of curvature of 10mm-100m, or also have one or more abrupt changes in direction ("kinks", see Figure 6c), as well as obvious combinations of these three modifications with each other.
  • a diaper receives the elastic properties of a bikini pant.
  • Figure 6c shows a further variation which is important for larger diapers (and in the incontinence area):
  • both mirror-image side panels of a diaper have one or more substrate layers in common, a constellation 6d results in which the side panel pairs extend their anchoring surface over virtually the entire back side of the diaper and thus contribute to the structural relief of the diaper and associated material savings.
  • the outer contour of the side panel i. the contour section through those areas which are formed only by the substrates and not by the elastic threads is predominantly of an aesthetic nature, as for the fit and elasticity of minor importance and can be executed in contrast to the contour of film-based side panel also free on aesthetic aspects.
  • Picture 1 Schematic representation of a modern, partially elastic diaper
  • Figure 5 Elastic cast / pressure side panel

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)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne des éléments à haute élasticité et de forme anatomique destinés à des couches bébés et à des produits d'incontinence. L'invention vise à améliorer l'élasticité et l'ajustement des couches bébés et de produits d'incontinence. A cet effet, on réalise des panneaux latéraux à haute élasticité et de forme anatomique à partir de groupes de fils ou bandes élastiques prétendus et appliqués, de manière adaptée en termes d'anatomie, dans un laminé doux pour la peau et flexible. L'ajustement optimal est obtenue par l'adaptation de la position, de la forme, de l'extension préalable et de l'épaisseur des fils élastiques. L'utilisation exclusive de produits de production en série courants dans le commerce pour tous les composants du laminé garantit un coût minimal pour les matériaux utilisés pour la production de ce type de panneau latéral.
PCT/EP2006/011184 2005-11-23 2006-11-22 Elements a haute elasticite et de forme anatomique destines a des couches bebes et a des produits d'incontinence WO2007059933A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH18692005 2005-11-23
CH01869/05 2005-11-23

Publications (2)

Publication Number Publication Date
WO2007059933A2 true WO2007059933A2 (fr) 2007-05-31
WO2007059933A3 WO2007059933A3 (fr) 2007-07-26

Family

ID=38016628

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2006/011184 WO2007059933A2 (fr) 2005-11-23 2006-11-22 Elements a haute elasticite et de forme anatomique destines a des couches bebes et a des produits d'incontinence

Country Status (1)

Country Link
WO (1) WO2007059933A2 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246020A1 (fr) * 2008-02-04 2010-11-03 Unicharm Corporation Article de vêtement
US8529536B2 (en) 2008-04-18 2013-09-10 Dsg Technology Holdings Ltd. Elastic composite having cross-directional elasticity and a system and method for making the elastic composite
US11096842B2 (en) 2014-05-22 2021-08-24 Avery Dennison Corporation Closure assemblies using extended fingerlifts

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297473A (en) * 1995-02-02 1996-08-07 Moelnlycke Ab Method of elastifying a substrate blank
JP2002192641A (ja) * 2000-12-26 2002-07-10 Nippon Petrochem Co Ltd 横伸縮性複合シートの製造方法
WO2003041627A2 (fr) * 2001-11-14 2003-05-22 The Procter & Gamble Company Procede de fabrication d'une matiere composite elastique
US20040222553A1 (en) * 2003-05-05 2004-11-11 The Procter & Gamble Company Method for making a stretch composite
WO2005096855A1 (fr) * 2004-03-29 2005-10-20 The Procter & Gamble Company Articles absorbants jetables munis de zones comprenant des composants elastomeres
WO2005115754A1 (fr) * 2004-05-25 2005-12-08 Sandra Fenske Procede pour produire une bande de matiere elastique
WO2006020690A1 (fr) * 2004-08-10 2006-02-23 The Procter & Gamble Company Lamines non-tisses elastomeres et processus de fabrication correspondant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2297473A (en) * 1995-02-02 1996-08-07 Moelnlycke Ab Method of elastifying a substrate blank
JP2002192641A (ja) * 2000-12-26 2002-07-10 Nippon Petrochem Co Ltd 横伸縮性複合シートの製造方法
WO2003041627A2 (fr) * 2001-11-14 2003-05-22 The Procter & Gamble Company Procede de fabrication d'une matiere composite elastique
US20040222553A1 (en) * 2003-05-05 2004-11-11 The Procter & Gamble Company Method for making a stretch composite
WO2005096855A1 (fr) * 2004-03-29 2005-10-20 The Procter & Gamble Company Articles absorbants jetables munis de zones comprenant des composants elastomeres
WO2005115754A1 (fr) * 2004-05-25 2005-12-08 Sandra Fenske Procede pour produire une bande de matiere elastique
WO2006020690A1 (fr) * 2004-08-10 2006-02-23 The Procter & Gamble Company Lamines non-tisses elastomeres et processus de fabrication correspondant

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2246020A1 (fr) * 2008-02-04 2010-11-03 Unicharm Corporation Article de vêtement
EP2246020A4 (fr) * 2008-02-04 2011-12-28 Unicharm Corp Article de vêtement
US8529536B2 (en) 2008-04-18 2013-09-10 Dsg Technology Holdings Ltd. Elastic composite having cross-directional elasticity and a system and method for making the elastic composite
US8961487B2 (en) 2008-04-18 2015-02-24 Dsg Technology Holdings Ltd. Elastic composite having cross-directional elasticity and a system and method for making the elastic composite
US10434017B2 (en) 2008-04-18 2019-10-08 Dsg Technology Holdings Ltd. Elastic composite having cross-directional elasticity and a system and method for making the elastic composite
US11147720B2 (en) 2008-04-18 2021-10-19 Dsg Technology Holdings Ltd. Elastic composite for having cross-directional elasticity and a system and method for making the elastic composite
US11096842B2 (en) 2014-05-22 2021-08-24 Avery Dennison Corporation Closure assemblies using extended fingerlifts

Also Published As

Publication number Publication date
WO2007059933A3 (fr) 2007-07-26

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