EP0730682B1 - Mehrlagiges nadelvlies, verfahren zu seiner herstellung und verwendung desselben - Google Patents
Mehrlagiges nadelvlies, verfahren zu seiner herstellung und verwendung desselben Download PDFInfo
- 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
Links
Images
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.
Description
- Fig.1
- einen Schnitt durch ein nach dem erfindungsgemäßen Verfahren hergestelltes Nadelvlies in einem noch unvollendeten Fertigungszustand,
- Fig.2
- einen Schnitt durch das fertige Nadelvlies,
- Fig.3
- einen Schnitt durch eine ebenfalls mit dem erfindungsgemäßen Verfahren hergestelltes, abgewandeltes Nadelvlies.
Claims (4)
- Verfahren zur Herstellung eines mehrlagigen Nadelvlieses, bei dem ein Festigkeitsträger mit hoher Zugfestigkeit und geringer Dehnung durch Vernadeln mit zumindest einer Stapelfaserlage verbunden und nach dem Vernadeln einer Wärmebehandlung und einer Verdichtung unterzogen wird und bei dem als Festigkeitsträger ein vor dem Vernadeln mit der Stapelfaserlage oder den Stapelfaserlagen verstrecktes Stapelfaservlies aus Bikomponentenfasern verwendet wird, dadurch gekennzeichnet, dass die Wärmebehandlung und Verdichtung des Nadelvlieses nach dem Vernadeln des Festigkeitsträgers mit der Stapelfaserlage oder den Stapelfaserlagen gleichzeitig erfolgt und dass nach der Wärmebehandlung ausschließlich die Stapelfaserlage oder die Stapelfaserlagen mit einer Binderlösung imprägniert werden.
- Verfahren nach den Anspruch 1, dadurch gekennzeichnet, dass mehrere Lagen des Festigkeitsträgers aus Bikomponentenfasern aufeinander gelegt und mit dem Stapelfaservlies gemeinsam vernadelt werden.
- Verwendung des nach den Ansprüchen 1 oder 2 hergestellten, mehrlagigen Nadelvlieses als Bandmaterial für Förderbänder.
- Verwendung des nach den Ansprüchen 1 oder 2 hergestellten mehrlagigen Nadelvlieses als Filtermedium.
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 (de) | 1993-11-22 | 1994-11-22 | Mehrlagiges nadelvlies, verfahren zu seiner herstellung und verwendung desselben |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0730682A1 EP0730682A1 (de) | 1996-09-11 |
EP0730682B1 true EP0730682B1 (de) | 2000-02-09 |
Family
ID=6503113
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95903268A Expired - Lifetime EP0730682B1 (de) | 1993-11-22 | 1994-11-22 | Mehrlagiges nadelvlies, verfahren zu seiner herstellung und verwendung desselben |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0730682B1 (de) |
AT (1) | ATE189713T1 (de) |
DE (2) | DE4339709A1 (de) |
ES (1) | ES2144602T3 (de) |
PT (1) | PT730682E (de) |
WO (1) | WO1995014803A1 (de) |
Families Citing this family (8)
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 |
US7351673B1 (en) * | 1999-07-30 | 2008-04-01 | Johns Manville | Laminates including two or more layers of organic synthetic filament non-wovens and glass fiber webs and scrims |
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CS167676B1 (de) * | 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, De | |
DE9304463U1 (de) * | 1993-03-24 | 1993-06-09 | Thomas Josef Heimbach Gmbh & Co, 5160 Dueren, De | |
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. |
-
1993
- 1993-11-22 DE DE4339709A patent/DE4339709A1/de not_active Withdrawn
-
1994
- 1994-11-22 DE DE59409147T patent/DE59409147D1/de not_active Expired - Fee Related
- 1994-11-22 WO PCT/EP1994/003863 patent/WO1995014803A1/de active IP Right Grant
- 1994-11-22 EP EP95903268A patent/EP0730682B1/de not_active Expired - Lifetime
- 1994-11-22 PT PT95903268T patent/PT730682E/pt unknown
- 1994-11-22 ES ES95903268T patent/ES2144602T3/es not_active Expired - Lifetime
- 1994-11-22 AT AT95903268T patent/ATE189713T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO1995014803A1 (de) | 1995-06-01 |
PT730682E (pt) | 2000-07-31 |
ES2144602T3 (es) | 2000-06-16 |
DE4339709A1 (de) | 1995-05-24 |
DE59409147D1 (de) | 2000-03-16 |
EP0730682A1 (de) | 1996-09-11 |
ATE189713T1 (de) | 2000-02-15 |
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