EP1250482A2 - Procede et dispositif pour produire des non tisses composites par enchevetrement par eau - Google Patents

Procede et dispositif pour produire des non tisses composites par enchevetrement par eau

Info

Publication number
EP1250482A2
EP1250482A2 EP01911482A EP01911482A EP1250482A2 EP 1250482 A2 EP1250482 A2 EP 1250482A2 EP 01911482 A EP01911482 A EP 01911482A EP 01911482 A EP01911482 A EP 01911482A EP 1250482 A2 EP1250482 A2 EP 1250482A2
Authority
EP
European Patent Office
Prior art keywords
fleece
layer
woven fibre
spunbond
consolidation
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.)
Granted
Application number
EP01911482A
Other languages
German (de)
English (en)
Other versions
EP1250482B1 (fr
EP1250482B2 (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
Gerold Fleissner
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26003888&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1250482(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE10004448A external-priority patent/DE10004448A1/de
Application filed by Gerold Fleissner filed Critical Gerold Fleissner
Priority to DK01911482T priority Critical patent/DK1250482T4/da
Publication of EP1250482A2 publication Critical patent/EP1250482A2/fr
Publication of EP1250482B1 publication Critical patent/EP1250482B1/fr
Application granted granted Critical
Publication of EP1250482B2 publication Critical patent/EP1250482B2/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
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • 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
    • D04H1/48—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 in combination with at least one other method of consolidation
    • D04H1/49—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 in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
    • 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
    • D04H1/70—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
    • D04H1/74—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 orientated, e.g. in parallel (anisotropic fleeces)
    • 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
    • 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/02—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling
    • D04H5/03—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling 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
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/08—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of fibres or yarns

Definitions

  • the invention has for its object to find a method and the associated device with which this slight surface wear ability is improved and still a good bond of the pulp fibers in the carrier fleece can be achieved. It is also important to ensure that the applied pulp layer is not lost or is lost little when it is effectively connected to the carrier fleece.
  • the invention sees the solution to the problem in that the spunbond fleece is pre-consolidated with the superabsorbent material before coating, such as needling with air or calendered for pre-consolidation, then the wood pulp layer is applied and both together one Hydrodynamic water needling is then solidified and then dried.
  • the consolidation of the calendering of the continuous fiber fleece before further processing not only improves the abrasion resistance of the end product, but also reduces pulp loss when needling water into and through the fleece If the consolidation is too high, the bonding points are too diverse, then a connection of the pulp layer to the calendered nonwoven is difficult due to the needling of water firm integration of all surface fibers is achievable In the case of a nonwoven product with only one spunbond layer, only the roller that is adjacent to the spunbond layer needs to be heated
  • the pulp layer is hydrodynamically bonded to the nonwoven in this manufacturing process, otherwise the product cannot survive in practice due to the formation of a layer. It is even better if another pre-consolidated continuous fiber or carded nonwoven is applied to the pulp layer and only that three layers are needled together hydrodynamically. End calendering is also advantageous then. It is also advantageous to use a calendered carded fleece as carrier fleece instead of an endless fiber fleece, to which a spunbond fleece is then placed as a cover layer
  • FIG. 1 is a side view of a contour system for producing a composite fleece only with a support base
  • Fig. 2 also in side view of the system according to Fig. 1 supplemented by the supply of an additional cover layer made of a continuous fiber fleece in front of the water needling and
  • FIG. 3 shows a system according to FIG. 2, however, with a carding system at the inlet for producing a carding fleece as a support layer
  • Lot band 3 is assigned to a calender 5, which, if desired, supplies energy and warmth, possibly also a finely embossed solidified fleece.
  • the calendering device can also be replaced by an air-hardening device, not shown here an intimate connection with the continuous fiber fleece is established.
  • the pulp fiber is fed, for example, with a device 6 according to EP-A-0 032 772. Both fleece layers together are then acted upon with the hydrodynamic needling 7 for connection, which instead of on one Continuous belt according to FIG. 1 can also be carried out on a permeable drum according to FIG. 2.
  • the contour system according to FIG. 2 corresponds to that according to FIG. 1, there is only a second, only slightly pre-consolidated continuous fiber fleece 12 produced with the device 10, which of course can also be presented with a roll (not shown), that is to say prefabricated. This also applies to wearing 1 read with the device 1 - 4.
  • the upper covering 12 should also be pre-consolidated with a calender 11 after the covering 12 has been deposited on the pulp layer laid with the device 6 on the base 1 of the device 1, 5 , the above-mentioned water needling takes place, which in this exemplary embodiment can also be carried out in several stages from both sides, if necessary, since the pulp layer is covered on both sides by a fleece Arrows indicated nozzle bars are assigned from above.
  • the subsequent drying takes place here r with a different type of through-air dryer 9, the screen drum 9 'of which the fan is assigned externally.
  • the calender 15, 16 can also be run through here, but in which case both rollers 15, 16 are then to be heated
  • a card 1 '- 4' serves as the fleece laying direction.
  • the carding machine consists of a box feeder V mt yi ⁇ er arranged below shaking chute 2 ', which passes the cardboard fibers with the scratching and tearing rollers 3' evenly spread over the width.
  • the following endless belt 4 ' transfers the laid carded nonwoven to the calender device 5 as described above.
  • a sheet bond fleece can be used as the cover layer 12, which can be formed in the unit 10 shown schematically.
  • a spunbond fleece as the carrier fleece, to which a carded fleece is placed after the pulp layer.
  • the unit 10 would then represent a device as it is designated by the reference numerals V-4 ', while a spunbonding device similar to the reference numerals 1, 2 is arranged in the place of the card.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un procédé pour produire un non tissé composite constitué d'au moins un non tissé obtenu par filage direct et d'une couche de pâte de bois déposée sur ce dernier, afin de produire un article d'hygiène. Selon ce procédé, le non tissé obtenu par filage direct subit un enchevêtrement par eau avant le dépôt de la couche de pâte, afin d'améliorer la répartition de liquide. Cependant, il n'est plus possible, après cette opération, d'enchevêtrer la couche de pâte, car elle risquerait sinon d'être éliminée lors de l'enchevêtrement. Une consolidation du non tissé obtenu par filage direct est néanmoins nécessaire pour obtenir la résistance à l'abrasion souhaitée. A cet effet, on effectue une consolidation préalable d'un non tissé obtenu par filage direct en le traitant avec de l'air comprimé ou en lui faisant subir un calandrage, avant qu'il ne soit revêtu d'un matériau superabsorbant. La couche de pâte est ensuite déposée, puis le non tissé et la pâte sont consolidés par enchevêtrement par eau, avant d'être séchés. Un calandrage supplémentaire peut être effectué ensuite. On peut appliquer un non tissé supplémentaire obtenu par filage direct, préconsolidé, par exemple calandré, sur le non tissé obtenu par filage direct, servant alors de couche support, puis appliquer la couche de pâte de bois ou bien appliquer d'abord cette dernière, puis le non tissé supplémentaire.
EP01911482A 2000-01-17 2001-01-13 Procede et dispositif pour produire des non tisses composites par enchevetrement par eau Expired - Lifetime EP1250482B2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK01911482T DK1250482T4 (da) 2000-01-17 2001-01-13 Fremgangsm de og indretning til fremstilling af sammensatte filtstoffer ved hj lp af hydrodynamisk filtring

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10001723 2000-01-17
DE10001723 2000-01-17
DE10004448A DE10004448A1 (de) 2000-01-17 2000-02-03 Verfahren und Vorrichtung zur Herstellung von Verbundvliesstoffen mittels der hydrodynamischen Vernadelung
DE10004448 2000-02-03
PCT/EP2001/000383 WO2001053588A2 (fr) 2000-01-17 2001-01-13 Procede et dispositif pour produire des non tisses composites par enchevetrement par eau

Publications (3)

Publication Number Publication Date
EP1250482A2 true EP1250482A2 (fr) 2002-10-23
EP1250482B1 EP1250482B1 (fr) 2005-04-13
EP1250482B2 EP1250482B2 (fr) 2009-06-10

Family

ID=26003888

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01911482A Expired - Lifetime EP1250482B2 (fr) 2000-01-17 2001-01-13 Procede et dispositif pour produire des non tisses composites par enchevetrement par eau

Country Status (10)

Country Link
US (1) US6836938B2 (fr)
EP (1) EP1250482B2 (fr)
CN (1) CN1395635B (fr)
AT (1) ATE293180T1 (fr)
BR (1) BR0107640B1 (fr)
CA (1) CA2392835C (fr)
EA (1) EA004031B1 (fr)
ES (1) ES2240423T5 (fr)
IL (1) IL150636A0 (fr)
WO (1) WO2001053588A2 (fr)

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US10639212B2 (en) 2010-08-20 2020-05-05 The Procter & Gamble Company Absorbent article and components thereof having improved softness signals, and methods for manufacturing
EP2605739B1 (fr) 2010-08-20 2023-11-15 The Procter & Gamble Company Article absorbant et ses composants dotés de signes de souplesse améliorés et procédés de fabrication
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Also Published As

Publication number Publication date
ES2240423T5 (es) 2009-11-13
CA2392835A1 (fr) 2001-07-26
US6836938B2 (en) 2005-01-04
EA004031B1 (ru) 2003-12-25
EA200200772A1 (ru) 2003-02-27
ATE293180T1 (de) 2005-04-15
CN1395635B (zh) 2010-09-29
EP1250482B1 (fr) 2005-04-13
BR0107640A (pt) 2002-10-08
WO2001053588A3 (fr) 2002-04-25
US20030106195A1 (en) 2003-06-12
IL150636A0 (en) 2003-02-12
ES2240423T3 (es) 2005-10-16
BR0107640B1 (pt) 2011-07-12
CA2392835C (fr) 2008-05-27
CN1395635A (zh) 2003-02-05
WO2001053588A2 (fr) 2001-07-26
EP1250482B2 (fr) 2009-06-10

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