EP2352872B1 - Procédé et dispositif de fabrication d'un produit non tissé - Google Patents

Procédé et dispositif de fabrication d'un produit non tissé Download PDF

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Publication number
EP2352872B1
EP2352872B1 EP09801384A EP09801384A EP2352872B1 EP 2352872 B1 EP2352872 B1 EP 2352872B1 EP 09801384 A EP09801384 A EP 09801384A EP 09801384 A EP09801384 A EP 09801384A EP 2352872 B1 EP2352872 B1 EP 2352872B1
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EP
European Patent Office
Prior art keywords
outlet openings
material web
patterning
serving
compaction
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.)
Active
Application number
EP09801384A
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German (de)
English (en)
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EP2352872A1 (fr
Inventor
Willi Liebscher
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
Truetzschler Nonwovens 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
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Priority to PL09801384T priority Critical patent/PL2352872T3/pl
Publication of EP2352872A1 publication Critical patent/EP2352872A1/fr
Application granted granted Critical
Publication of EP2352872B1 publication Critical patent/EP2352872B1/fr
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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
    • D04H1/02—Cotton wool; Wadding
    • 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
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet

Definitions

  • the invention relates to a method for producing a nonwoven product and to an apparatus for carrying out the method according to the preamble of the respective claim.
  • EP 1 310 226 B1 From the EP 1 310 226 B1 is a nonwoven product in the form of a cosmetic cotton pad is known, which is solidified by water jet needling and which has on its surface in addition to the fine grooves formed by the water jet needling a groove-shaped structuring in the form of Grobrillen, in particular in the form of wavy lines.
  • the production is carried out by multi-stage consecutively executed water jet processes.
  • a similarly structured product describes the EP 1 106 723 B1 ,
  • a water jet needling using a perpendicular to the conveying direction of a web of material reciprocating nozzle beam is from the DE 198 28 118 A1 known.
  • the nozzle beam is assigned an oscillator with which the nozzle beam is moved periodically in its longitudinal direction.
  • the nozzle bar in this known device has on its underside a replaceable nozzle strip with a variety of fine Outlets for a pressurized medium, in particular water on.
  • the web transported under the nozzle beam (web) is acted upon by the pressurized water jets. Due to the oscillation of the nozzle beam, a blurring of the otherwise emerging as a strip of water jets results.
  • the object of the present invention is to provide an improved production method as well as a device for carrying out this method for a consolidated and a structure aufeisendes nonwoven product.
  • the production method comprises the use of a nozzle web oscillatingly driven transversely to the direction of movement of a web of fibers and / or filaments (web, pre-fleece), this nozzle beam having, in addition to a group of solidification of the material web, a further group of exit orifices for generating the groove-shaped structuring.
  • the nozzle bar essentially performs a harmonic oscillatory movement, so that on the material web a groove-like structuring in the manner of a wavy line arises.
  • a cosmetic article in the form of a cotton pad which also has grooves in the form of wavy lines in addition to a solidified surface, can thus be produced on a system with only one nozzle bar.
  • the surface solidification serving outlet openings have a smaller diameter than the diameter of the visually and / or haptic perceptible structuring openings serving.
  • both groups of openings are arranged in a row in the nozzle strip.
  • further structuring serving openings are arranged in a further row. These openings may have the same diameter or a different diameter.
  • webs are processed, which consist of fibers and / or filaments and are supplied in the form of a nonwoven, a Vorvlies the Wasserstrahlvernadelung.
  • the material web solidified and structured according to the invention is then dried and then subjected to further processing, in particular a cutting operation.
  • the material web preferably consists of bleached, hydrophilic cotton fibers, viscose fibers or the like.
  • FIG. 1 schematically, an endless belt 30 is shown, which leads along with the material web 31 to be solidified in the direction of arrow 32. Transverse thereto is at a distance above the material web 31, a nozzle bar arranged with the upper part 1, whose structure is exemplified in Fig. 2 shown and described below.
  • the nozzle bar is movably suspended on a fixed wall of the housing 39.
  • the attachment to the housing 39 can be made by spring steel.
  • Another example of the suspension show the FIGS. 3 and 4 , Another example could be z.
  • the water jets 33 emerging from the nozzle slot 13 of the nozzle bar are directed against the material web 31 and cover the width of the material web 31. Via a flexible hose 34, the necessary water 35 reaches the nozzle bar at one end face of the nozzle bar.
  • nozzle bar In the middle of the nozzle bar is according to Fig. 3 an electrically driven vibrator 36 attached to the beam. With this, the nozzle bar in the direction of the double arrow 37 should be brought into vibration without affecting a supporting housing alone. Together with the advance speed 32 of the material web 31, a zigzag or wave pattern of the individual water jets is applied to the material web 31 by means of the reciprocating nozzle beam.
  • the housing of the nozzle beam in this example consists of the upper part 1, which is bolted to the lower part 2 often over the length by the screws 3 from below.
  • the upper part 1 has along two bores 4 and 5, of which the upper is the pressure chamber 4 and the lower the pressure distribution chamber 5. Both chambers are open at one end face and again screwed liquid-tight by a lid, not shown.
  • the pressure chamber 4 has an opening through which the pressurized liquid 35 flows via a flexible hose 34.
  • the baffle 20 is held at a distance from the intermediate wall 8 and on all sides by the liquid flow around. To make this possible, the baffle body is held in the intermediate wall 8 several times over the length of the nozzle beam by means of screws 21 at a distance. In this way, the liquid from the flow holes 9 first meets the baffle 20, is distributed in the distribution chamber 5 and then flows through the slot 10, which also extends over the length of the beam, against the fine holes (outlet openings A) of a nozzle strip 14.
  • the nozzle strip 14 is replaceable and has a plurality of arranged in one or more rows outlet openings A, which have different diameters depending on the function.
  • Fig. 2 is the upper part 1 with the lower part 2 firmly and liquid-tight screwed.
  • the tightness is effected by the O-ring 11, which is inserted in a circumferential groove of the upper part 1.
  • Surrounded by the O-ring 11 is a spring projection 23, which is fitted in a corresponding groove 24 of the lower part 2.
  • a circumferential groove is introduced, in which the O-ring 12 is inserted to seal the nozzle strip 14.
  • a slot 13 is also introduced in the lower part 2.
  • the oscillating drive vibrators 40 'and 40 "are suspended on the nozzle bar alone ( 3 and 4 ).
  • the nozzle beam is suspended over two rubber buffers 41, 42 mounted on the housing 39.
  • the two support arms 43 and 44 at the two ends of the nozzle beam are hinged on the one hand on the nozzle beam and on the other hand elastically suspended on the housing 39.
  • the vibrators 40 ', 40 are flanged on both sides of the nozzle bar in such a way that the reciprocating force of the vibrator engages in the region of the center of gravity of the nozzle bar, thus minimizing all the reaction forces of the movements on the overall housing.
  • FIG. 5 shows a part of a nozzle strip 14 in plan view.
  • This nozzle strip 14 is mounted in the system described above and there is the application of a material web 31, from which then, for example, cotton pads are cut.
  • the nozzle strip 14 has a plurality of outlet openings A.
  • two groups G1 and G2 of outlet openings A are provided, wherein the openings A of both groups lie in a common row.
  • the outlet openings A of the first group G1 have a small diameter and serve for surface solidification of the material web 31 to be processed.
  • the outlet openings A of the second group G2 have a larger diameter and serve to produce visible and / or tactile grooves in the nonwoven product.
  • the oscillation frequency together with the amplitude of the nozzle bar (upper part 1) is in such a manner dependent on the feed rate of the material web 31 (FIG. Fig. 1 ), so that the desired wavy lines L, R arise ( FIG. 10 ).
  • the two groups G1 and G2 of the outlet openings A are arranged in two mutually parallel rows.
  • the outlet openings A of the first group G1 in turn have a small diameter and serve for surface solidification of the material web 31 to be processed.
  • the outlet openings A of the second group G2 have a larger diameter and serve to produce the grooves R (FIG. Fig. 10 ) in the nonwoven product.
  • the nozzle strip is preferably mounted in the nozzle bar such that the outlet openings A of the first group G1 (for web bonding - lines L - FIG. 10 ) in the direction of the material web 31 in front of the openings A of the second group G2 (generating grooves R - FIG. 10 ) lie.
  • the first group G1 of the openings A with a small diameter serves to solidify the material web 31.
  • the third group G3 at larger diameter exit ports A lie in a separate row parallel to the row with the openings A of groups G1 and G2.
  • the embossing of the visible and / or tactile grooves R is effected through the openings of the groups G2 and G3.
  • the group G3 preferably lies in the running direction of the material web 31 behind the row of the group G1, G2.
  • the two groups G1 and G2 outlet openings A are arranged in two mutually parallel rows.
  • the outlet openings A of the first group G1 in turn have a small diameter and serve for surface solidification of the material web 31 to be processed.
  • the outlet openings A of the second group G2 have a large diameter and serve to produce the grooves in the nonwoven product.
  • the series with the outlet openings A of the first group G1 is in contrast to FIG. 6 executed interrupted, such that in a zone with an outlet opening A with a large diameter (group G2: embossment of a groove R) is no outlet opening A with a small diameter.
  • FIG. 9 Another way shows FIG. 9 , Here are provided for embossing a double groove in each case two outlet openings A with a large diameter - group G2.
  • FIG. 10 shows a section of a processed according to the invention, material web 31 according to Fig. 1 ,
  • the fine lines L with a small spacing represent the solidification lines in the surface of the material web and are produced with the outlet openings A of the first group G1 with a small diameter.
  • 60 outlet openings per inch (60 hpi) at small diameter outlet openings (first group G1) such fine solidification lines L are formed at a distance of 0.423 mm.
  • the diameter of the corresponding outlet openings (group G1) is for example 0.1 mm.
  • the distance of the outlet openings A of the second group G2 is for example 9 mm, so that the grooves R have a corresponding distance.
  • the grooves R embossing outlet openings may have a diameter of 0.2 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (12)

  1. Procédé de fabrication d'un produit non tissé qui est consolidé par injection de jet d'eau et qui présente à sa surface une structuration en forme de rainures, caractérisé par
    l'utilisation d'une barre de buses entraînée de façon oscillante transversalement à la direction de déplacement d'un lé de matériau, cette barre de buses présentant, outre un groupe d'ouvertures de sortie servant à la consolidation du lé de matériau, un autre groupe d'ouvertures de sortie pour la production de la structuration en forme de rainures, les ouvertures de sortie servant à la consolidation présentant un diamètre différent de celui des ouvertures de sortie servant à la structuration.
  2. Procédé selon la revendication 1, caractérisé en ce que le lé de matériau est consolidé et structuré par une injection unique de jet d'eau avec la barre de buses oscillante.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la barre de buses effectue essentiellement un mouvement oscillant harmonieux de sorte qu'il apparaît sur le lé de matériau une structuration en forme de rainures à la façon d'une ligne ondulée.
  4. Dispositif pour la réalisation du procédé au moins selon la revendication 1, présentant les caractéristiques suivantes :
    - une barre de buses (1) pour l'injection de jet d'eau sur un lé de matériau (31) composé de fibres et/ou de filaments, la barre de buses (1) s'étendant transversalement au lé de matériau (31) mis en mouvement,
    - la barre de buses (1) présente, pour l'injection de jet d'eau sur le lé de matériau (31) mis en mouvement, outre un groupe d'ouvertures de sortie (A) servant à la consolidation du lé de matériau (31), un autre groupe d'ouvertures de sortie (A) pour la production d'une structuration,
    - un entraînement (40', 40'') pour la production d'un mouvement oscillant de la barre de buses (1) dans sa direction d'extension, transversalement au lé de matériau (31),
    les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) présentant un diamètre différent de celui des ouvertures de sortie (A ; G2) pour la production d'une structuration.
  5. Dispositif selon la revendication 4, caractérisé en ce que le diamètre des ouvertures de sortie servant à la consolidation du lé de matériau est plus petit que le diamètre de l'ouverture de sortie servant à la structuration.
  6. Dispositif selon la revendication 4 ou 5, caractérisé en ce que les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) et les ouvertures de sortie (A ; G2) pour la production d'une structuration sont sur une rangée.
  7. Dispositif selon la revendication 4 ou 5, caractérisé en ce que les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) sont sur une rangée, et en ce que les ouvertures de sortie (A ; G2) pour la production d'une structuration sont sur une rangée qui est parallèle à l'autre rangée.
  8. Dispositif selon une des revendications 4 - 7, caractérisé en ce que les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) et les ouvertures de sortie (A ; G2) pour la production d'une structuration sont disposées dans une bande de buses (14) de la barre de buses (1).
  9. Bande de buses pour l'utilisation à l'intérieur d'une barre de buses pour la fabrication d'un produit non tissé qui est consolidé par l'injection de jet d'eau, la bande de buses présentant, pour l'injection de jet d'eau sur le lé de matériau, une multiplicité d'ouvertures de sortie, et la barre de buses étant conduite, par un entraînement affecté, à effectuer des mouvements oscillants transversalement au lé de matériau, caractérisée en ce que
    la bande de buses (14), outre un groupe d'ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31), présente un autre groupe d'ouvertures de sortie (A ; G2) pour la production d'une structuration,
    les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) présentent un diamètre différent de celui des ouvertures de sortie (A ; G2) pour la production d'une structuration.
  10. Dispositif selon la revendication 9, caractérisé en ce que le diamètre des ouvertures de sortie servant à la consolidation du lé de matériau est plus petit que le diamètre des ouvertures de sortie servant à la structuration.
  11. Dispositif selon la revendication 9 ou 10, caractérisé en ce que les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) et les ouvertures de sortie (A ; G2) pour la production d'une structuration sont sur une rangée.
  12. Dispositif selon la revendication 9 ou 10, caractérisé en ce que
    les ouvertures de sortie (A ; G1) servant à la consolidation du lé de matériau (31) sont sur une rangée, et en ce que les ouvertures de sortie (A ; G2) pour la production d'une structuration sont sur une rangée qui est parallèle à l'autre rangée.
EP09801384A 2008-12-03 2009-11-12 Procédé et dispositif de fabrication d'un produit non tissé Active EP2352872B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL09801384T PL2352872T3 (pl) 2008-12-03 2009-11-12 Sposób i urządzenie do wytwarzania wyrobu z włókniny

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008060327A DE102008060327A1 (de) 2008-12-03 2008-12-03 Verfahren und Vorrichtung zur Herstellung eines Vliesproduktes
PCT/DE2009/001619 WO2010063253A1 (fr) 2008-12-03 2009-11-12 Procédé et dispositif de fabrication d'un produit non tissé

Publications (2)

Publication Number Publication Date
EP2352872A1 EP2352872A1 (fr) 2011-08-10
EP2352872B1 true EP2352872B1 (fr) 2013-01-16

Family

ID=42061473

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09801384A Active EP2352872B1 (fr) 2008-12-03 2009-11-12 Procédé et dispositif de fabrication d'un produit non tissé

Country Status (6)

Country Link
EP (1) EP2352872B1 (fr)
CN (1) CN102239286A (fr)
DE (1) DE102008060327A1 (fr)
EA (1) EA020014B1 (fr)
PL (1) PL2352872T3 (fr)
WO (1) WO2010063253A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013103844A1 (fr) * 2012-01-05 2013-07-11 North Carolina State University Procédé de formation de nontissés au moyen d'énergie réduite
WO2016200299A1 (fr) * 2015-06-10 2016-12-15 Sca Hygiene Products Ab Lingette ou papier hygiénique humide hydroenchevêtré(e) désintégrable et son procédé de production
CN109943975A (zh) * 2019-04-19 2019-06-28 广州汇朗无纺制品有限公司 含有超细纤维的无纺布及其制备方法和应用

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4069563A (en) 1976-04-02 1978-01-24 E. I. Du Pont De Nemours And Company Process for making nonwoven fabric
US4647490A (en) * 1983-05-20 1987-03-03 Johnson & Johnson Cotton patterned fabric
DE19501738A1 (de) 1995-01-23 1996-07-25 Fleissner Maschf Gmbh Co Düsenbalken an einer Vorrichtung zur Erzeugung von Flüssigkeitsstrahlen
DE19828118A1 (de) 1998-06-24 1999-12-30 Fleissner Maschf Gmbh Co Vorrichtung mit einem Düsenbalken zur Erzeugung von Flüssigkeitsstrahlen zur Strahlverflechtung von Fasern an einer textilen Bahn
JP2000144564A (ja) * 1998-11-12 2000-05-26 Mitsubishi Rayon Eng Co Ltd 流体噴射ノズル及びそれを用いた交絡不織布の製造方法
JP2000160461A (ja) * 1998-11-27 2000-06-13 Takayuki Mende 不織布の製造装置における水流交絡装置、および該水流交絡装置を使用する不織布の製造方法
FR2795100B1 (fr) * 1999-06-16 2001-09-14 Fort James France Produit de coton hydrophile comportant une face douce et une face grattante
EP1106723B1 (fr) 1999-12-07 2003-03-12 Georgia-Pacific France Tampon de coton hydrophile destiné aux soins de la peau et comportant deux faces externes différentes
DK1310226T3 (da) 2001-11-08 2006-02-13 Pelz Gmbh & Co Kg W Kosmetisk vatrondel
EP1424422A1 (fr) * 2002-11-27 2004-06-02 Polyfelt Gesellschaft m.b.H. Géotextiles structurés et procédé de fabrication
FR2856414B1 (fr) * 2003-06-18 2005-09-23 Georgia Pacific France Procede et dispositif d'hydroliage d'une nappe de produit cellulosique fibreux
US20050136772A1 (en) * 2003-12-23 2005-06-23 Kimberly-Clark Worldwide, Inc. Composite structures containing tissue webs and other nonwovens
DE102005060615A1 (de) * 2005-12-19 2007-06-21 Saurer Gmbh & Co. Kg Verfahren und Vorrichtung zum Verfestigen einer laufenden Vliesbahn sowie ein Vlies
DE102006058620B4 (de) * 2006-12-11 2011-12-08 Trützschler Nonwovens Gmbh Düsenkörper

Also Published As

Publication number Publication date
PL2352872T3 (pl) 2013-06-28
EA201100894A1 (ru) 2012-01-30
DE102008060327A1 (de) 2010-06-10
WO2010063253A1 (fr) 2010-06-10
CN102239286A (zh) 2011-11-09
EP2352872A1 (fr) 2011-08-10
EA020014B1 (ru) 2014-08-29

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