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EP1392905B1 - Procede de consolidation d'une bande de matiere formee de pate de bois - Google Patents

Procede de consolidation d'une bande de matiere formee de pate de bois Download PDF

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Publication number
EP1392905B1
EP1392905B1 EP02740646A EP02740646A EP1392905B1 EP 1392905 B1 EP1392905 B1 EP 1392905B1 EP 02740646 A EP02740646 A EP 02740646A EP 02740646 A EP02740646 A EP 02740646A EP 1392905 B1 EP1392905 B1 EP 1392905B1
Authority
EP
European Patent Office
Prior art keywords
wood pulp
fibers
tissue
web
consolidating
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
EP02740646A
Other languages
German (de)
English (en)
Other versions
EP1392905A1 (fr
Inventor
Gerold Fleissner
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Fleissner 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 Fleissner GmbH filed Critical Fleissner GmbH
Publication of EP1392905A1 publication Critical patent/EP1392905A1/fr
Application granted granted Critical
Publication of EP1392905B1 publication Critical patent/EP1392905B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/04—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres having existing or potential cohesive properties, e.g. natural fibres, prestretched or fibrillated artificial fibres
    • D04H1/26—Wood pulp
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
    • D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay

Definitions

  • EP-A-0 359 615 For example, a method of forming a web of cellulose fibers only, such as wood pulp, is known, which is wet-formed and then merely dried. A solidification in terms of entanglement of the fibers with each other is not there.
  • the EP-A-0 483 816 describes the waterjet needling of a wet laid Woodpulp web.
  • Such composites are advantageous in some applications, yet take the necessary artificial fibers considered no moisture, which is why looking for another product, which also has sufficient strength.
  • the invention is therefore an object of the invention to find a method for producing a nonwoven fabric that has a very high liquid absorption capacity and in addition a sufficient strength, which ensures to be able to use the fleece in the respective applications.
  • the non-woven of wood pulp after a dry formation process eg. As an air laying dry laid on an endless belt and should be compacted as usual by means of induced draft on the endless belt.
  • the pure Wood Pulpbahn ie a fabric web formed from 100% Wood Pulp fibers for solidification only with a hydrodynamic needling and then to dry.
  • a moistening of the wood pulp fibers between two endless belts was first selected with a water pressure of 10 bar.
  • the actual consolidating needling was then done on one or both sides with only a water pressure of 20 bar.
  • the water pressure should not be too high, a pressure of 15 - 40 bar is advantageous.
  • the debulking screen at needling should have only a low permeability of about 10% open area to control pulp loss.
  • the wood pulp fibers have a length of 1 - 5 mm.
  • the length depends on the tree, on the plant species.
  • a preferred nonwoven should be fibers have different lengths, preferably longer than 5 mm long fibers. Surprisingly, it has been found that even these short fiber lengths can be confused with hydroentanglement in order to produce a nonwoven consolidated in all dimensions.
  • the wet and solidified Wood Pulpvlies can be sprayed before drying with a binder before it is then immediately dried.
  • wood pulp web can still be mixed after the water needles with other fibers or be connected to another web of different fibers such as staple or continuous fibers or natural fibers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Nonwoven Fabrics (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Joining Of Building Structures In Genera (AREA)

Claims (3)

  1. Processus pour la liaison d'une longueur de produit faite de cellulose, qui est déposée au sec sur un convoyeur sans fin dans un processus de formation à sec, comme par exemple, un processus de dépose par air, caractérisé en ce que la longueur de produit fait de 100 % de fibres cellulose est aiguilletée de manière hydrodynamique pour la liaison et ensuite est simplement séchée.
  2. Processus selon la revendication 1, caractérisé en ce que la couche de cellulose est initialement humidifiée et ensuite est aiguilletée à une pression d'eau de 15 à 50 bar.
  3. Nontissé randomisé constitué de 100 % de fibres de cellulose dans un processus de formation à sec et hydrolié pour la liaison.
EP02740646A 2001-05-30 2002-05-24 Procede de consolidation d'une bande de matiere formee de pate de bois Expired - Lifetime EP1392905B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10126515 2001-05-30
DE10126515A DE10126515A1 (de) 2001-05-30 2001-05-30 Verfahren zum Verfestigen einer aus Wood Pulp gebildeten Warenbahn
PCT/EP2002/005697 WO2002097181A1 (fr) 2001-05-30 2002-05-24 Procede de consolidation d'une bande de matiere formee de pate de bois

Publications (2)

Publication Number Publication Date
EP1392905A1 EP1392905A1 (fr) 2004-03-03
EP1392905B1 true EP1392905B1 (fr) 2009-07-29

Family

ID=7686763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02740646A Expired - Lifetime EP1392905B1 (fr) 2001-05-30 2002-05-24 Procede de consolidation d'une bande de matiere formee de pate de bois

Country Status (11)

Country Link
US (1) US7293336B2 (fr)
EP (1) EP1392905B1 (fr)
JP (1) JP2004530060A (fr)
KR (1) KR20040025683A (fr)
CN (1) CN1520477A (fr)
AT (1) ATE437985T1 (fr)
BR (1) BR0210935A (fr)
CA (1) CA2448937C (fr)
DE (2) DE10126515A1 (fr)
IL (1) IL158988A0 (fr)
WO (1) WO2002097181A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20055074L (fi) * 2005-02-18 2006-08-19 Suominen Nonwovens Ltd Sellukuitua sisältävä vesineulattu kuitukangas ja menetelmä sen valmistamiseksi
FR2884530B1 (fr) * 2005-04-18 2007-06-01 Ahlstrom Res And Services Sa Support fibreux destine a etre impregne de liquide.
US8250719B2 (en) * 2009-03-03 2012-08-28 The Clorox Company Multiple layer absorbent substrate and method of formation
DE102009032343A1 (de) * 2009-07-09 2011-01-20 Fleissner Gmbh Und Co. Vorrichtung zum Verfestigen einer Materialbahn
JP5721523B2 (ja) * 2011-04-28 2015-05-20 ユニチカ株式会社 抗菌性セルロース系不織布の製造方法
US9394637B2 (en) * 2012-12-13 2016-07-19 Jacob Holm & Sons Ag Method for production of a hydroentangled airlaid web and products obtained therefrom

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3485706A (en) * 1968-01-18 1969-12-23 Du Pont Textile-like patterned nonwoven fabrics and their production
US3994047A (en) * 1975-04-11 1976-11-30 International Paper Company Apparatus for the twin-wire air laying of fibrous pads
US4755421A (en) * 1987-08-07 1988-07-05 James River Corporation Of Virginia Hydroentangled disintegratable fabric
US4808467A (en) * 1987-09-15 1989-02-28 James River Corporation Of Virginia High strength hydroentangled nonwoven fabric
EP0359615A1 (fr) * 1988-09-01 1990-03-21 James River Corporation Of Virginia Fabrication de structures composites superabsorbantes
EP0373974A3 (fr) * 1988-12-15 1990-09-05 Fiberweb North America, Inc. Procédé de préparation d'une étoffe non tissée fortement absorbante
US5128082A (en) * 1990-04-20 1992-07-07 James River Corporation Method of making an absorbant structure
US5137600A (en) * 1990-11-01 1992-08-11 Kimberley-Clark Corporation Hydraulically needled nonwoven pulp fiber web
SE467499B (sv) * 1990-11-19 1992-07-27 Moelnlycke Ab Foerfarande foer hydroentangling
CA2048905C (fr) * 1990-12-21 1998-08-11 Cherie H. Everhart Tissu composite non tisse a haute teneur en pulpe
US6022818A (en) * 1995-06-07 2000-02-08 Kimberly-Clark Worldwide, Inc. Hydroentangled nonwoven composites
US6110848A (en) * 1998-10-09 2000-08-29 Fort James Corporation Hydroentangled three ply webs and products made therefrom
DE19938809A1 (de) * 1999-08-19 2001-02-22 Fleissner Maschf Gmbh Co Verfahren und Vorrichtung zur Herstellung eines Kompositvlieses zur Aufnahme und Speicherung von Flüssigkeiten
BR0107640B1 (pt) * 2000-01-17 2011-07-12 método e dispositivo para a produção de materiais de tecido não-tecido por meio de perfuração com agulha hidrodinámica.
DE10008746A1 (de) * 2000-02-24 2001-08-30 Fleissner Maschf Gmbh Co Verfahren und Vorrichtung zur Herstellung von Verbundvliesstoffen mittels hydrodynamischer Vernadelung
US7326318B2 (en) * 2002-03-28 2008-02-05 Sca Hygiene Products Ab Hydraulically entangled nonwoven material and method for making it
US20050278912A1 (en) * 2004-06-16 2005-12-22 Westland John A Hydroentangling process

Also Published As

Publication number Publication date
DE10126515A1 (de) 2002-12-05
CA2448937C (fr) 2009-07-14
KR20040025683A (ko) 2004-03-24
BR0210935A (pt) 2004-06-08
US20040221437A1 (en) 2004-11-11
CN1520477A (zh) 2004-08-11
DE50213723D1 (de) 2009-09-10
US7293336B2 (en) 2007-11-13
IL158988A0 (en) 2004-05-12
EP1392905A1 (fr) 2004-03-03
ATE437985T1 (de) 2009-08-15
JP2004530060A (ja) 2004-09-30
CA2448937A1 (fr) 2002-12-05
WO2002097181A1 (fr) 2002-12-05

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