EP0730682B1 - Non-tisse aiguillete multicouche, son procede de fabrication et ses utilisations - Google Patents

Non-tisse aiguillete multicouche, son procede de fabrication et ses utilisations Download PDF

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Publication number
EP0730682B1
EP0730682B1 EP95903268A EP95903268A EP0730682B1 EP 0730682 B1 EP0730682 B1 EP 0730682B1 EP 95903268 A EP95903268 A EP 95903268A EP 95903268 A EP95903268 A EP 95903268A EP 0730682 B1 EP0730682 B1 EP 0730682B1
Authority
EP
European Patent Office
Prior art keywords
staple fibre
nonwoven fabric
needling
needle punched
punched nonwoven
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
EP95903268A
Other languages
German (de)
English (en)
Other versions
EP0730682A1 (fr
Inventor
Eugen Gutsche
Nang Dinh-Van
Robert Schmitt
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.)
MGF Gutsche GmbH and Co KG
MGF Gutsche and Co GmbH Betriebs KG
Original Assignee
MGF Gutsche GmbH and Co KG
MGF Gutsche and Co GmbH Betriebs KG
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 MGF Gutsche GmbH and Co KG, MGF Gutsche and Co GmbH Betriebs KG filed Critical MGF Gutsche GmbH and Co KG
Publication of EP0730682A1 publication Critical patent/EP0730682A1/fr
Application granted granted Critical
Publication of EP0730682B1 publication Critical patent/EP0730682B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/541—Composite fibres, e.g. sheath-core, sea-island or side-by-side; Mixed fibres
    • 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
    • D04H1/498—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 entanglement of layered webs
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • D04H1/559—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 by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
    • 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
    • D04H13/00—Other non-woven fabrics

Definitions

  • the invention relates to a method for producing a multi-layer needle punch, in which a strength member with high tensile strength and low elongation Needling connected to at least one staple fiber layer and after needling a heat treatment and one Compression is subjected to and as a reinforcement one before needling with the staple fiber layer or stretched staple fiber fleece from the staple fiber layers Bicomponent fibers are used.
  • a method of the present type is in the older, however, according to the present patent application published WO 94/17234.
  • the fleece after This font is primarily intended for a self-supporting, rigid, thermally deformable body part use Find.
  • Needle fleeces have to be high for some applications Have tensile strength and low elongation, for example then when used as belt material for conveyor belts should be used.
  • it is known from DE-C-28 42 837, as a reinforcement between two layers of needle fleece Layer of essentially parallel textile yarns to include.
  • Such a multi-layer needle punch achieves the desired tensile strength and low Stretching, however, has the disadvantage that in the textile yarns and especially the fabrics made from it There are tensions caused by the needling process still be promoted and fixed sustainably.
  • This Tensions lead when using the staple fiber fleece cause the material to vary across its width long. This causes, for example, in use of the staple fiber fleece as a conveyor belt of the conveyor belt.
  • the problem underlying the invention is a method to develop the type mentioned at the beginning with which a multilayer needle fleece is created, which has a high tear resistance with low elongation and especially is inexpensive to carry out.
  • Bicomponent fibers are also under the name "Binding fibers" known and have been around for over 30 years used to produce fleece slugs.
  • Bicomponent fibers are fibers that consist of at least two Melting point - and thus also in the chemical composition - Different polymers are built up.
  • By stretching the staple fiber fleece from bicomponent fibers there is an alignment of the staple fibers, which is fixed by needling.
  • the connection of the individual staple fibers by melting their low-melting Components occurs through the invention Heat treatment after needling with the needle fleece on.
  • the compression carried out at the same time leads to high strength towards the by stretching the orientation of the bicomponent fibers.
  • the needle fleece produced has a comparably high strength and low stretch like a needle punch with a Fabrics or textile yarn layers as reinforcements, points however, no material tension on it, so it's not too irregular deformations comes. That with the procedure Needle fleece produced according to the invention has clearly better bending properties and higher porosity compared to staple fiber nonwovens with support fabric because it the support layer is not a rigid mass, but a composite made up of individual fibers acts. Another advantage is the controllable Stiffness through temperature control of the heterogeneous Staple fiber fleece during heat treatment.
  • the method according to the invention can be carried out automatically and is very inexpensive. At the same time allowed it is the production of heterogeneous staple fiber nonwovens different bending flexibility by changing the Temperature or heat treatment time at the end of the Procedure.
  • the material consumption of binder solution is special low because only after heat treatment the staple fiber layer or the staple fiber layers be impregnated with a binder solution. At the same time This results in a particularly high degree of influence the flexibility of the material.
  • a particularly high strength is achieved if according to another development of the invention, several layers of the reinforcement made of bicomponent fibers and needled together with the staple fiber fleece become.
  • Another advantageous use is when one the needle fleece produced by the method according to the invention used as a filter medium.
  • the generated by the process Needle fleece is characterized by a filter efficiency, that cannot be achieved with a tissue.
  • FIG. 1 shows one between two staple fiber layers 1, 2 Strength member 3, which is a staple fiber fleece deals from bicomponent fibers.
  • the connection the staple fiber layers 1, 2 with the reinforcement 3 is done in the usual way by needling, what on three Places, for example at 4, by a changed fiber orientation can be seen. Before needling, the Strength members 3 stretched.
  • the staple fiber fleece is subjected to a heat treatment subjected to simultaneous compression. This leads to a connection of the bicomponent fibers, because the outer areas of the bicomponent fibers begin to melt through the heat. That on this Material produced in this way is shown in FIG. 2. It has a smaller thickness than in the manufacturing stage shown in Figure 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Medicinal Preparation (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Claims (4)

  1. Procédé de production d'un non tissé aiguilleté multicouche dans lequel un support de solidité possédant une haute résistance à la traction et un faible allongement est assemblé par aiguilletage à au moins une couche de fibres discontinues et, après l'aiguilletage, soumis à un traitement thermique et à une densification et dans lequel on utilise comme support de solidité un non tissé de fibres discontinues, composé de fibres bicomposants, qui est étiré avant l'aiguilletage avec la couche de fibres discontinues ou les couches de fibres discontinues, caractérisé en ce que le traitement thermique et la densification du non tissé aiguilleté s'effectuent simultanément après l'aiguilletage du support de solidité avec la couche de fibres discontinues ou les couches de fibres discontinues, et en ce qu'après le traitement thermique, on imprègne uniquement la couche de fibres discontinues ou les couches de fibres discontinues avec une solution de liant.
  2. Procédé selon la revendication 1, caractérisé en ce que plusieurs couches du support de solidité faites de fibres bicomposants sont déposées l'une sur l'autre et aiguilletées en commun avec le non tissé de fibres discontinues.
  3. Utilisation du non tissé aiguilleté multicouche fabriqué selon les revendications 1 ou 2, en tant que matière en bande pour bandes transporteuses.
  4. Utilisation du non tissé aiguilleté multicouche fabriqué selon les revendications 1 ou 2, en tant que milieu filtrant.
EP95903268A 1993-11-22 1994-11-22 Non-tisse aiguillete multicouche, son procede de fabrication et ses utilisations Expired - Lifetime EP0730682B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4339709A DE4339709A1 (de) 1993-11-22 1993-11-22 Mehrlagiges Nadelvlies, Verfahren zu seiner Herstellung und Verwendung desselben
DE4339709 1993-11-22
PCT/EP1994/003863 WO1995014803A1 (fr) 1993-11-22 1994-11-22 Non-tisse aiguillete multicouche, son procede de fabrication et ses utilisations

Publications (2)

Publication Number Publication Date
EP0730682A1 EP0730682A1 (fr) 1996-09-11
EP0730682B1 true EP0730682B1 (fr) 2000-02-09

Family

ID=6503113

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95903268A Expired - Lifetime EP0730682B1 (fr) 1993-11-22 1994-11-22 Non-tisse aiguillete multicouche, son procede de fabrication et ses utilisations

Country Status (6)

Country Link
EP (1) EP0730682B1 (fr)
AT (1) ATE189713T1 (fr)
DE (2) DE4339709A1 (fr)
ES (1) ES2144602T3 (fr)
PT (1) PT730682E (fr)
WO (1) WO1995014803A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19543975C1 (de) * 1995-11-25 1997-03-20 Forbo Int Sa Transportband mit einem Laufseitengewebe
AT405533B (de) * 1996-12-23 1999-09-27 Asota Gmbh Zweischichtiges nadelvlies
US6630046B1 (en) 1999-07-30 2003-10-07 Johns Manville International, Inc. Method of making wall and floor coverings
DE10151411B4 (de) 2001-10-18 2006-09-14 Johns Manville Europe Gmbh Schichtstoff mit verbesserten Eigenschaften
DE102006045069A1 (de) * 2006-09-21 2008-04-03 Sandler Ag Mehrlagiges Vliesverbundmaterial und Verfahren zur Herstellung eines mehrlagigen Vliesverbundmaterials
DE102009007891A1 (de) 2009-02-07 2010-08-12 Willsingh Wilson Resonanz-Schallabsorber in mehrschichtiger Ausführung
DE102017123283A1 (de) * 2017-10-06 2019-04-11 J.H. Ziegler Gmbh Vorrichtung, insbesondere Faserverbundproduktionsvorrichtung
CN113478867B (zh) * 2021-08-06 2022-11-08 安徽纳赫智能科技有限公司 一种多工位冲压加工机构

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CS167676B1 (fr) * 1973-11-15 1976-04-29
US4154335A (en) * 1977-11-04 1979-05-15 Albany International Corp. Conveyor belting and method of manufacture
US4157752A (en) * 1978-04-06 1979-06-12 Albany International Corp. Impression surface conveyor belting and method of manufacture
US4444305A (en) * 1982-02-16 1984-04-24 Globe International Inc. Conveyor belting for handling bakery goods
JPS6182819A (ja) * 1984-09-27 1986-04-26 Japan Vilene Co Ltd フイルタ材
DE3435643A1 (de) * 1984-09-28 1986-04-10 Hoechst Ag, 6230 Frankfurt Schichtstoff
US4726978A (en) * 1985-10-23 1988-02-23 Siebe Gorman & Company Limited Charcoal fabric needled to supporting fabrics
SU1722865A1 (ru) * 1990-03-26 1992-03-30 Всесоюзный Научно-Исследовательский Институт Резино-Технического Машиностроения Устройство дл изготовлени многослойных лент
SU1766462A1 (ru) * 1990-05-28 1992-10-07 Волгоградский Политехнический Институт Фильтровальный материал
FR2670510A1 (fr) * 1990-12-12 1992-06-19 Valeo Procede de realisation d'un materiau a base d'elastomere renforce, ainsi qu'un materiau elastomere renforce en particulier obtenu par ce procede.
DE4126117C2 (de) * 1991-04-08 1994-04-07 Lohmann Gmbh & Co Kg Festigkeitsträger für Transportbänder
DE4114952A1 (de) * 1991-05-08 1992-11-12 Akzo Nv Zweischichtiger vliesstoff
FR2700782B1 (fr) * 1993-01-26 1995-04-14 Libeltex Nv Sa Procédé de fabrication d'un non-tissé et non-tissé obtenu par ce procédé.
DE9301950U1 (de) * 1993-02-11 1993-04-01 Airtex Filter GmbH, 7859 Efringen-Kirchen Filter
DE9304463U1 (de) * 1993-03-24 1993-06-09 Thomas Josef Heimbach GmbH & Co., 52353 Düren Transportpolster
FR2705697B1 (fr) * 1993-05-26 1995-08-04 Peaudouce Matériau non-tissé composite, procédé de fabrication et son application à tout article d'hygiène absorbant.

Also Published As

Publication number Publication date
ATE189713T1 (de) 2000-02-15
DE4339709A1 (de) 1995-05-24
EP0730682A1 (fr) 1996-09-11
DE59409147D1 (de) 2000-03-16
ES2144602T3 (es) 2000-06-16
WO1995014803A1 (fr) 1995-06-01
PT730682E (pt) 2000-07-31

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