EP1556534B1 - Procede d'exploitation d'un dispositif de pose d'un non-tisse selon le procede de la pose en flux d'air - Google Patents

Procede d'exploitation d'un dispositif de pose d'un non-tisse selon le procede de la pose en flux d'air Download PDF

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Publication number
EP1556534B1
EP1556534B1 EP03809347A EP03809347A EP1556534B1 EP 1556534 B1 EP1556534 B1 EP 1556534B1 EP 03809347 A EP03809347 A EP 03809347A EP 03809347 A EP03809347 A EP 03809347A EP 1556534 B1 EP1556534 B1 EP 1556534B1
Authority
EP
European Patent Office
Prior art keywords
laying
drum
fibers
laying drum
conformity
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
EP03809347A
Other languages
German (de)
English (en)
Other versions
EP1556534A2 (fr
Inventor
Bruno Ehrenhoefer
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 EP1556534A2 publication Critical patent/EP1556534A2/fr
Application granted granted Critical
Publication of EP1556534B1 publication Critical patent/EP1556534B1/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
    • D04H1/70—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

  • WO 00/73032 discloses a method of operating a device for laying a web of finite fibers after the air laying process, wherein the device consists of a rotatably mounted laying drum whose jacket is permeable to the fibers.
  • the laying drum is flowed through by a stream of air radially in the direction of an endless belt carrying the nonwoven to be laid and advancing along the laying drum, wherein the fibers to be laid to a fleece are fed centrically and frontally in the axial direction of the laying drum.
  • the feeding of the pulp fibers is done according to this prior art unilaterally and alternately by two drums of a laying drum pair, the drums are mounted axially on one side, but on the Faserzu slaughter on the outer surface of the drum.
  • Within the laying drum is a comb drum whose combs touch the surface of the laying drum.
  • each laying drum is parallel to a second drum assigned, which must be connected to each other via pipes, which also attack on the end faces.
  • a laying device thus consists of two laying drums, between which fibers flow in the circulation.
  • the laying drums extend over the entire working width, which can reach up to 4 or 5 m.
  • the drums In order to achieve a uniform distribution of the fibers on the endless belt, the drums must have a corresponding diameter. However, this is limited by the required dimensions of the ball bearings, which are arranged for the rotatable mounting of the laying drum at its outer diameter. The reason for this are the necessary eccentric openings in the end faces of the laying drums.
  • the ball bearings can not be built in any size in their diameter now. At a higher speed - as is necessary here in the operation of the laying drum - run the balls of the ball bearings too large diameters, which are over one meter, in the bearing shells too fast, so that the lubricating film breaks off.
  • the invention has for its object to find a solution to the problem.
  • the laying drums should be made in any desired diameter, the namely results from the respective width of the web to be laid.
  • a larger diameter of the laying drums for the production speed of the web to be laid is advantageous.
  • the solution is found in that the fibers are fed centrically on both end faces of the laying drum.
  • the device for laying a web of finite fibers as well as pulp fibers by the air laying method is provided with a rotatable mounted in a housing permeable laying drum with a centric end opening for feeding the fibers, wherein the laying drum is disposed above a nonwoven to be laid endless belt, which is assigned below a suction box for sucking the laying drum radially above the supplied air.
  • the front-side openings for feeding the fibers into the laying drum are now arranged centrically on both sides. It is thus the axis of the laying drum designed as Faserzu meltrohr, which must have only such a large diameter that the necessary amount of fibers can be introduced.
  • the diameter of the necessary ball bearings for the rotatable mounting of the laying drum is completely independent of the outer diameter of the laying drum.
  • the laying drum can be built to any extent, the ball bearings will never run hot even at high peripheral speed.
  • a comb drum In the laying drum, a comb drum is to be stored, the combs of which rub on the inside of the mantle of the laying drum and convey the fibers through the openings of the mantle.
  • This comb drum is also stored centrally in the laying drum, and indeed this comb drum forms the fiber insertion opening in the axis and the bearing of the laying drum is then arranged around the corresponding insertion tube.
  • a laying drum 3 is rotatably mounted.
  • a ball bearing 4 which is arranged in an opening 5 of the housing 1.
  • a further ball bearing 7 is arranged, which supports the tubular axis 8 of a comb drum 9.
  • the central opening 10 of this tube axis 8 is to be sized so that the through this opening 10 incoming fibers are timely and completely over the length of the drum 3 can be introduced. Irrespective of this, the diameter of the laying drum 3, which can take any measure determined by other parameters, is independent.
  • Such a fiber insertion opening 10 is provided on both end sides of the laying drum. The fibers are therefore not conveyed around between two drums in the circuit, but only a laying drum 3 forms a laying unit.
  • the comb drum 9 consists of two circular end plates 11, 12, which have the fiber inlet openings 10 in the center. On the outer circumference are attached around tubular supports 13 which extend parallel and axially of the inner shell of the laying drum 3. Radially outwardly radially directed combs 14 are mounted centrally in the tubes 13, which ends in height of the inner surface of the jacket of the laying drum 3. Both the laying drum 3 and the comb drum 9 driven to run, with a relative speed between the drums, this can be the same direction or also directed opposite.
  • a suction box 15 is arranged, through which the top of the laying drum 3 supplied air 16 is sucked.
  • the emerging from the laying drum 3 fibers arrive with the air flow on the endless belt 2, lie down there and form the fabric to be produced.
  • the endless belt 2 or the fleece lying thereon is sealed by a sealing roller 17, 18 to the suction box or to the housing 1.
  • any number of single-drum device can be arranged one behind the other. So it is not necessary drum pairs.
  • the adjacent laying devices require only one wall 19 for separation.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Nonwoven Fabrics (AREA)
  • Looms (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (9)

  1. Procédé pour le service d'un dispositif pour déposer un non-tissé de fibres de longueur limitée par le procéde air-laid, le dispositif se composant d'un tambour de pose (3) tournant, qui a une chemise perméable aux fibres et qui est pénétrée radialement par un courant d'air dans la direction d'un convoyeur sans fin (2) portant le non-tissé à être déposé et passant en avant le long du tambour de pose (3), les fibres à déposer comme non-tissé étant fourni centralement à la face dans la direction axiale du tambour de pose (3), caractérisée en ce que les fibres sont fournies centralement aux deux faces du tambour de pose (3).
  2. Dispositif pour déposer un non-tissé de fibres de longueur limitée ainsi que de fibres en cellulose par le procéde air-laid avec un tambour de pose (3) perméable soutenue d'une manière tournante dans un boîtier (1) avec une ouverture (10) centrale à la face pour l'approvisionnement des fibres, le tambour de pose (3) étant arrangé au-dessus d'un convoyeur sans fin (2) portant le non-tissé à déposer, qui est combiné avec une caisse d'aspiration (15) en-dessous pour l'aspiration de l'air (16) radialement amené au-dessus du tambour de pose (3), caractérisé en ce que les ouvertures (10) frontales pour l'approvisionnement des fibres dans le tambour de pose (3) sont arrangées des deux côtés.
  3. Dispositif selon la revendication 2, caractérisé en ce que l'axe du tambour de pose (3) est conçu en tant que tuyau d'approvisionnement de fibres (8).
  4. Dispositif selon l'une des revendications précédentes 2 et 3, caractérisé en ce que les deux faces du tambour de pose (3) sont pourvues d'une ouverture centrale d'approvisionnement de fibres (10) pour l'approvisionnement de fibres l'une vers l'autre.
  5. Dispositif selon l'une des revendications précédentes 2 à 4, caractérisé en ce que un tambour de peignes (9) est soutenu centralement dans l'axe creux (6) du tambour de pose (3), le tambour de peignes se composant des plaques frontales (11, 12) circulaires soutenues dans le boîtier (1) qui sont fournis aux bords externes jusqu'à la surface intérieure de la chemise du tambour de pose (3) de peignes (13, 14) se dirigeant axialement à l'extérieur à travers toute la longueur du tambour de pose (3).
  6. Dispositif selon l'une des revendications précédentes 2 à 5, caractérisé en ce que l'ouverture d'approvisionnement de fibres (10) consiste en l'axe (8) du tambour de peignes (9) et que le tambour de pose (3) est supporté de manière permettant la rotation sur l'extérieur du tuyau d'approvisionnement de fibres (8).
  7. Dispositif selon l'une des revendications précédentes 2 à 6, caractérisé en ce que le tambour de peignes (9) est entraîné d'une vitesse relative au tambour de pose (3).
  8. Dispositif selon l'une des revendications précédentes 2 à 7, caractérisé en ce que plusieurs tambours de pose individuels sont arrangés l'un après l'autre dans une ligne de pose de non-tissé complète.
  9. Dispositif selon l'une des revendications précédentes 2 à 8, caractérisé en ce que les unités de tambour de pose sont simplement séparées entre elles par une paroi (19) du boîtier (1).
EP03809347A 2002-10-23 2003-10-22 Procede d'exploitation d'un dispositif de pose d'un non-tisse selon le procede de la pose en flux d'air Expired - Lifetime EP1556534B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10249533 2002-10-23
DE10249533A DE10249533A1 (de) 2002-10-23 2002-10-23 Verfahren zum Betreiben einer Vorrichtung zum Legen eines Vlieses nach dem Luftlegeverfahren und Vorrichtung dazu
PCT/EP2003/050742 WO2004038080A2 (fr) 2002-10-23 2003-10-22 Procede d'exploitation d'un dispositif de pose d'un non-tisse selon le procede de la pose en flux d'air

Publications (2)

Publication Number Publication Date
EP1556534A2 EP1556534A2 (fr) 2005-07-27
EP1556534B1 true EP1556534B1 (fr) 2008-02-13

Family

ID=32087151

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03809347A Expired - Lifetime EP1556534B1 (fr) 2002-10-23 2003-10-22 Procede d'exploitation d'un dispositif de pose d'un non-tisse selon le procede de la pose en flux d'air

Country Status (5)

Country Link
EP (1) EP1556534B1 (fr)
AT (1) ATE386148T1 (fr)
DE (2) DE10249533A1 (fr)
DK (1) DK1556534T3 (fr)
WO (1) WO2004038080A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6354154B2 (ja) 2013-12-25 2018-07-11 セイコーエプソン株式会社 シート製造装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU547989B2 (en) * 1980-01-18 1985-11-14 Christensen, J.H.M. A system for dry forming of paper or other sheet material of particles of fibres
US4640810A (en) * 1984-06-12 1987-02-03 Scan Web Of North America, Inc. System for producing an air laid web
FI107818B (fi) * 1999-05-27 2001-10-15 Bki Holding Corp Sihtiputki käytettäväksi rainamateriaalin kuivamuodostuksessa

Also Published As

Publication number Publication date
DE10249533A1 (de) 2004-05-06
DE50309173D1 (de) 2008-03-27
EP1556534A2 (fr) 2005-07-27
DK1556534T3 (da) 2008-06-09
WO2004038080A2 (fr) 2004-05-06
WO2004038080A3 (fr) 2004-11-25
ATE386148T1 (de) 2008-03-15

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