EP2853629B1 - Dispositif de consolidation hydrodynamique de tissus non-tissés, de tissus tissés ou de tissus à mailles - Google Patents

Dispositif de consolidation hydrodynamique de tissus non-tissés, de tissus tissés ou de tissus à mailles Download PDF

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Publication number
EP2853629B1
EP2853629B1 EP14001953.0A EP14001953A EP2853629B1 EP 2853629 B1 EP2853629 B1 EP 2853629B1 EP 14001953 A EP14001953 A EP 14001953A EP 2853629 B1 EP2853629 B1 EP 2853629B1
Authority
EP
European Patent Office
Prior art keywords
holes
surface segments
drum
fabrics
segments
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.)
Not-in-force
Application number
EP14001953.0A
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German (de)
English (en)
Other versions
EP2853629A2 (fr
EP2853629A3 (fr
Inventor
Ullrich MÜNSTERMANN
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 GmbH and Co KG
Original Assignee
Truetzschler GmbH and Co KG
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Filing date
Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP2853629A2 publication Critical patent/EP2853629A2/fr
Publication of EP2853629A3 publication Critical patent/EP2853629A3/fr
Application granted granted Critical
Publication of EP2853629B1 publication Critical patent/EP2853629B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • D04H18/00—Needling machines
    • D04H18/04—Needling machines with water jets
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C29/00—Finishing or dressing, of textile fabrics, not provided for in the preceding groups
    • D06C29/005—Finishing or dressing, of textile fabrics, not provided for in the preceding groups hydroentangling

Definitions

  • the invention relates to a device for the hydrodynamic consolidation of nonwovens, fabrics or knitted fabrics, in which a liquid such as water is injected from a plurality of nozzles against the material to be solidified.
  • the material to be solidified passes over a rotating liquid-permeable drum, which may be additionally subjected to vacuum to suck the water.
  • the drum consists of a cylindrical solid base drum with holes that ensure a large water drainage.
  • a structure drum or drum shell is mounted, which may have finely perforated openings or holes for solidification of the fibers, but can also impart a surface structure in the form of a pattern to the material to be processed.
  • the DE 29622987 U1 describes a drum for hydroentanglement of nonwovens in which the micro-openings in the drum are randomly distributed.
  • the DE 102008033253 A1 describes a drum or drum shell, in which the openings for discharging the water are arranged at an angle to each other and thus form a so-called herringbone pattern.
  • a base drum or suction drum is described in which the holes are arranged in a row, but at an angle to the longitudinal axis of the drum. This improves the discharge of the water.
  • the device for the hydrodynamic consolidation of nonwovens, fabrics or knitted fabrics comprises a drum on which a drum shell is arranged at a distance.
  • the invention is characterized in that the drum shell is formed by a plurality of identical surface segments, wherein each surface segment has a regular array of holes and each surface segment is rotated at least to an adjacent surface segment or arranged at an angle, wherein each two adjacent surface segments arranged are that their rows of holes have a different orientation.
  • Holes are holes or holes, which may have a cylindrical contour or a different contour, that is, for example, may have a conical or provided with inlet and outlet radii contour.
  • the surface of the drum shell is thus divided into small surface segments in which there is a regular arrangement of the holes. In each case two adjacent surface segments are arranged so that their rows of holes have a different orientation. By twisting the surface segments markings are avoided in the fleece.
  • the drum shell can be made very cheap, for example, by a galvanic process. Insufficient is an offset arrangement of the surface segments, since the orientation of the holes does not change.
  • the holes are arranged within the surface segments in several rows.
  • the individual area segment can be optimized in terms of its maximum possible opening.
  • the rows of holes to an outer edge of the surface segments or to a longitudinal axis of the surface segments in are arranged at an angle which is between 5 ° and 85 ° degrees, preferably 15 °. This measure also serves to avoid the possible markings in the web to be consolidated.
  • the surface segments are arranged at an angle to the longitudinal axis of the drum shell.
  • the angle may be between 5 ° and 85 ° degrees, preferably 15 °.
  • the surface segments have a geometrically regular contour which is complementary to the adjacent surface segments.
  • the contour may be formed in a preferred embodiment as a square, rectangle, hexagon or octagon, which is substantially axis or point symmetrical. These contours are the easiest way to accommodate a multitude of rows of holes so that the opening of the drum shell can be maximized.
  • Non-symmetrical shapes can also be understood as complementary which form a closed surface with a plurality of composite surface segments without a significant gap being created between the surface segments. These surface segments may also have a geometrically irregular contour, but which should be complementary to the adjacent surface segments.
  • the surface segments have an area of 0.5 to 5 cm 2 , preferably 1 to 2 cm 2 . This results in a structure on the drum shell, which is similar due to the ever further twisted arranged surface segments of a random arrangement of the holes.
  • the holes In order to ensure a good drainage, at the same time give the structural shell the necessary stability, the holes have a diameter of 0.2 to 0.5 mm, preferably 0.3 to 0.4 mm.
  • the spacing of the holes is 0.5 to 2 mm, preferably 1 to 1.5 mm.
  • FIG. 1 is a plant for hydroentanglement of a web-shaped web shown, in which the web 1 is fed via a circulating feed belt 2 of a drum 3.
  • a drum shell 4 On the outer circumference of the drum 3, a drum shell 4 was raised, which has a hole pattern of small holes or openings.
  • the direction of movement of the web 1 and the direction of rotation of the drum 3 are indicated by arrows.
  • the drum 3 is associated with at least one nozzle bar 5, which solidifies the web 1 by means of water jets.
  • three successively arranged on the circumference of the drum 3 nozzle bars 5 are provided, each having on its underside a plurality of Have outlet openings 6 for water jets. With the exiting from the nozzle bar 5 water jets, the impingement of the web 1, which is solidified thereby takes place.
  • the associated facilities for sucking the water are known in the art and are not shown for clarity.
  • FIG. 2 is shown as a detail an enlarged view of the surface of the drum shell 4.
  • the surface of the drum shell 4 shows a plurality of small surface segments 8 - 8e, in which a regular arrangement of the holes 7 is present.
  • Each surface segment 8 is twisted in its orientation with respect to the orientation of the holes 7 to the adjacent surface segment 8a.
  • the surface segments 8 - 8 e are formed as a hexagon, wherein the holes 7 in each hexagon may have the same orientation, so for example, can be arranged in series parallel to an outline.
  • the rows of holes within each surface segment 8-8f may be disposed at an angle to an outline.
  • each surface segment 8-8e is rotated as hexagons relative to one another, a different orientation of the holes 7 results between two adjacent surface segments.
  • the geometry of the surface segments 8-8e which are formed as hexagons in this embodiment, has six different orientations in each area segment 8 - 8e regularly arranged holes 7.
  • the surface segments 8 - 8e only the edges of each hexagon are drawn more intensely for illustration. In practice, the lines are not visible. Only the number and orientation of the holes suggests a surface segment.
  • each surface segment 8-8e is rotated six times so that the six surface segments 8-8e align in two superimposed rows and this group of six hexagonal ones Surface segments 8 - 8e repeated on the entire surface of the drum shell 4.
  • three surface segments 8a, 8b and 8c form a group of surface segments, each surface segment 8a, 8b, 8c having a different orientation of the rows of holes 7. This achieves almost the maximum possible number of holes 7 as in a drum having a full-area and regular bore distribution.
  • the embodiment of FIG. 2 shows that the surface segments 8 - 8e can be rotated by 15 ° to the longitudinal axis of the drum shell 4.
  • FIG. 3 shows four square surface segments 8, 8a, 8b, 8c, which are arranged at an angle of 15 ° to the longitudinal axis of the drum shell 4.
  • Each surface segment 8, 8a, 8b, 8c has a plurality of rows of holes 7 which may be disposed within the surface segment 8, 8a, 8b, 8c at an angle to an outer edge.
  • the rows of holes 7 within each surface segment are also inclined by 15 ° to an outer edge of the square.
  • Each surface segment 8-8c is rotated by 90 ° with respect to the adjacent surface segment, so that the group of four surface segments 8-8c rotated relative to one another is repeated on the surface of the drum shell 4.
  • the row of holes 7 may have four different orientations.
  • FIG. 4 shows four irregular surface segments 8, 8a, 8b, 8c, which are arranged at an angle of 15 ° to the longitudinal axis of the drum shell 4.
  • These surface segments 8 - 8c have an asymmetrical contour, but - here at a rotation of 90 ° - is complementary to the adjacently arranged surface segments, so that the group of Surface segments 8 - 8c forms a closed surface.
  • Each surface segment 8-8c has a plurality of rows of holes 7, which in turn can be arranged at an angle within the surface segment 8-8c.
  • Each surface segment 8-8c is rotated by 90 ° with respect to the adjacent surface segment, so that the group of four surface segments 8-8c rotated relative to one another is repeated on the surface of the drum shell 4.
  • the surface segments may also be designed as an octagon, a decagon tooth, a group of rectangles or as irregular but matching and repeating surfaces.
  • the size of the individual surface segments can be 0.5 to 5 cm 2 , preferably 1 to 2 cm 2 .
  • the spacing of the holes should be in the range of 0.5 to 2 mm, but preferably 1 to 1.5 mm.
  • An optimum hole diameter may be 0.2 to 0.5 mm and should preferably be 0.3 to 0.4 mm.
  • the regular arrangement of the holes in the surface segments allows an inexpensive production of the drum shell, for example, by a galvanic process, at the same time a maximum of open areas is achieved. It is of course possible to nickel-coat the drum shell after or during manufacture.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Claims (12)

  1. Dispositif pour le durcissement hydrodynamique de non-tissés, de tissus ou de tricots, comprenant un tambour sur lequel est disposé avec espacement un habillage de tambour, caractérisé en ce que l'habillage de tambour est formé par une pluralité de segments de surface identiques, chaque segment de surface présentant un motif à trous régulier et chaque segment de surface étant pivoté ou disposé suivant un angle au moins par rapport à un segment de surface adjacent, deux segments de surface adjacents étant disposés de telle manière que leurs rangées de perforations aient une orientation différente.
  2. Dispositif selon la revendication 1, caractérisé en ce que l'agencement des perforations est identique à l'intérieur des segments de surface.
  3. Dispositif selon la revendication 1 ou la revendication 2, caractérisé en ce que les perforations sont agencées en plusieurs rangées à l'intérieur des segments de surface.
  4. Dispositif selon la revendication 3, caractérisé en ce que les rangées de perforations sont agencées suivant un angle compris entre 5° et 85°, et préférentiellement égal à 15° par rapport à un bord extérieur des segments de surface ou à un axe longitudinal des segments de surface.
  5. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les segments de surface sont disposés suivant un angle par rapport à l'axe longitudinal de l'habillage de tambour.
  6. Dispositif selon la revendication 4, caractérisé en ce que l'angle est compris entre 5° et 85°, et est préférentiellement égal à 15°.
  7. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les segments de surface présentent un contour géométriquement régulier, complémentaire aux segments de surface adjacents.
  8. Dispositif selon la revendication 7, caractérisé en ce que les segments de surface sont prévus avec une forme carrée, rectangulaire, hexagonale ou octogonale.
  9. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les segments de surface présentent un contour géométriquement irrégulier, complémentaire aux segments de surface adjacents.
  10. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les segments de surface ont une superficie comprise entre 0,5 et 5 cm2, préférentiellement entre 1 et 2 cm2.
  11. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les perforations ont un diamètre compris entre 0,2 et 0,5 mm, préférentiellement entre 0,3 et 0,4 mm.
  12. Dispositif selon l'une des revendications précédentes, caractérisé en ce que les perforations sont espacées de 0,5 à 2 mm, préférentiellement de 1 à 1,5 mm.
EP14001953.0A 2013-09-27 2014-06-04 Dispositif de consolidation hydrodynamique de tissus non-tissés, de tissus tissés ou de tissus à mailles Not-in-force EP2853629B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102013110744.3A DE102013110744A1 (de) 2013-09-27 2013-09-27 Vorrichtung zur hydrodynamischen Verfestigung von Vliesen, Geweben oder Gewirken

Publications (3)

Publication Number Publication Date
EP2853629A2 EP2853629A2 (fr) 2015-04-01
EP2853629A3 EP2853629A3 (fr) 2015-07-22
EP2853629B1 true EP2853629B1 (fr) 2016-09-07

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ID=50897330

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14001953.0A Not-in-force EP2853629B1 (fr) 2013-09-27 2014-06-04 Dispositif de consolidation hydrodynamique de tissus non-tissés, de tissus tissés ou de tissus à mailles

Country Status (2)

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EP (1) EP2853629B1 (fr)
DE (1) DE102013110744A1 (fr)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461754A (en) * 1966-12-07 1969-08-19 Armstrong Cork Co Rotary drum for fissuring acoustical material
DE29622987U1 (de) * 1995-05-17 1997-08-28 ICBT Perfojet, Montbonnot Vorrichtung zum Herstellen eines nicht-gewebten und undessinierten Tuches mittels Druckwasserstrahles
FR2734285B1 (fr) 1995-05-17 1997-06-13 Icbt Perfojet Sa Procede pour la fabrication d'une nappe textile non tissee par jets d'eau sous pression, et installation pour la mise en oeuvre de ce procede
DE10227843A1 (de) * 2002-06-21 2004-01-08 Voith Paper Gmbh & Co. Kg Walze zur Entwässerung einer Faserstoffbahn, Verfahren zu ihrer Herstellung und Verwendung einer solchen Walze
GB0313135D0 (en) * 2003-06-07 2003-07-09 Voith Fabrics Gmbh & Co Kg Non-woven fabric and method of manufacture
DE202007011748U1 (de) 2007-08-22 2007-10-31 Fleissner Gmbh Vorrichtung für die Herstellung von nicht gewobenen Vliesstoffen mit einer eine Umhüllung aufweisenden Trommel
DE102008033253A1 (de) * 2008-07-15 2010-01-21 Fleissner Gmbh Verfahren und Vorrichtung zur Herstellung strukturierter Vliesstoffe
DE102009001156A1 (de) * 2009-02-25 2010-08-26 Voith Patent Gmbh Walze
DE202013102203U1 (de) * 2012-08-23 2013-06-06 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zur hydrodynamischen Verfestigung von Vliesen, Geweben oder Gewirken

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Publication number Publication date
EP2853629A2 (fr) 2015-04-01
EP2853629A3 (fr) 2015-07-22
DE102013110744A1 (de) 2015-04-02

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