EP3536841A1 - Installation et procédé de production d'un velours textile - Google Patents

Installation et procédé de production d'un velours textile Download PDF

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Publication number
EP3536841A1
EP3536841A1 EP19159677.4A EP19159677A EP3536841A1 EP 3536841 A1 EP3536841 A1 EP 3536841A1 EP 19159677 A EP19159677 A EP 19159677A EP 3536841 A1 EP3536841 A1 EP 3536841A1
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EP
European Patent Office
Prior art keywords
water
fleece
brush
installation according
suction
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
EP19159677.4A
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German (de)
English (en)
Other versions
EP3536841B1 (fr
Inventor
Lofti Ghorbel
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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Publication date
Application filed by Truetzschler GmbH and Co KG filed Critical Truetzschler GmbH and Co KG
Publication of EP3536841A1 publication Critical patent/EP3536841A1/fr
Application granted granted Critical
Publication of EP3536841B1 publication Critical patent/EP3536841B1/fr
Active 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
    • 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
    • D04H11/00—Non-woven pile fabrics
    • D04H11/08—Non-woven pile fabrics formed by creation of a pile on at least one surface of a non-woven fabric without addition of pile-forming material, e.g. by needling, by differential shrinking

Definitions

  • the present invention relates to a plant and a method for producing a suede, in which a nonwoven is transferred from a first to a second conveyor belt, wherein between the conveyor belts, a device is arranged, which is formed, individual fibers or pile loops from one side of the nonwoven to push out.
  • a textile velor is made by ejecting individual fibers from the composite by means of needles.
  • loops are pressed out of the composite by means of needles and these are cut open.
  • the EP 0183952 B1 describes a method for producing a textured velor felt felt track in which the needles dip into an endlessly circulating brush plate, thereby pushing the fibers out of the composite.
  • the disadvantage is that the fibers or filaments are more or less damaged by the mechanical stress of the needles.
  • the sharp edges and tips of the needles also create thin spots and damage to adjacent fibers that are not expelled from the composite.
  • the fleece a certain Basic strength and thus a predetermined basis weight needed so that it is not damaged in this type of processing.
  • the nonwoven needs nonwoven properties such as minimum tensile strength and abrasion resistance to be suitable for further processing.
  • a very thin velor with a minimum basis weight can be produced only with great difficulty by this method. Due to the discontinuous operation of the needle machine, continuous production at high operating speeds is not possible.
  • the invention includes the technical teaching that a web is transferred from a first to a second conveyor belt, wherein between the conveyor belts, a device is arranged, which is designed to press individual fibers or pile loops from one side of the web out.
  • the device comprises in the region of a first surface of the nonwoven at least one water bar for generating a plurality of water jets, and at least one support surface for the second surface of the nonwoven, wherein at least a part of the support surface is formed as a brush, and a Suction device cooperates with the at least one brush.
  • the support surface is formed under the nonwoven fabric to be processed as a rotating brush roller, which is rotated on the one hand with the operating speed of the system, at the same time is designed to suck the water jets.
  • Veloures with a low basis weight can be produced with this method.
  • FIG. 1 shows a plant 1 for the production of a suede 2b, in which an unconsolidated web 2a is produced from a pre-processing, for example by a carding or a spunbonding process.
  • the nonwoven fabric 2a may consist of staple fibers with natural and / or synthetic fibers, a wet nonwoven fabric or a combination of the fibers listed above.
  • the web 2 a is guided by means of a conveyor belt 7 under a water bar 4 and transferred to a further conveyor belt 8. Between the conveyor belts 7, 8, a suction device 3 is arranged under the water bar 4, on which the web 2a rests.
  • the water bar 4 has a multiplicity of nozzles 5, from which water jets 6 strike the nonwoven 2 a.
  • the water jets 6 strike the fleece 2a at a pressure of 40 to 200 bar and densify the fleece 2a.
  • the water jets 6 press individual fibers or pile loops out of the underside of the fleece partially 2 a, so that a suede 2 b arises.
  • the suction device 3 has a suction slot 3b which allows the water jets 6 to pass into a suction chamber 3. This can be sucked and leads off the water of the water bar 4.
  • both sides of the suction slot 3b brushes 3c are arranged, on which the web 2a between the conveyor belts 7, 8 rests.
  • the brushes 3c form the support surface for the nonwoven fabric 2a for the area of water jet processing and allow the emergence of individual fibers or pile loops from the compacted nonwoven fabric 2a.
  • a vertical fiber or Poltik is generated, which emerges from the underside of the web 2a, that is, the water jets 6 opposite side.
  • a plate may also be provided with brushes 3c, it being possible for suction holes to be arranged between the individual bundles of brushes 3c.
  • the brushes 3c may be made of hard plastic or metal wires.
  • the working width of the system 1 can be between 0.1 m to 3.8 m, wherein the water bar 4 and the suction 3 extend over the entire working width.
  • At least one further water bar 20 with an extraction 23 can be arranged in the working direction in the area in front of the water bar 4 with which the velor is produced.
  • This water bar 20 is operated at a lower pressure of, for example, 20 to 100 bar, and can be operated in particular for light nonwovens or a high operating speed.
  • the nozzle row 21 may have a higher nozzle density than the nozzle row 5 to form a suede.
  • the nozzle diameter may also have a smaller diameter, so that it is preconsolidated here with finer water jets 22 than with the water bar 4.
  • pre-moistening or preconsolidation of the unconsolidated nonwoven 2 a can take place, so that a higher process reliability and / or a higher operating speed of the plant is achieved especially in nonwovens with low basis weights.
  • each water bar 4 is assigned a brush roller 10.
  • Each brush roller 10 may have a suction chamber 10a and a plurality of circumferentially distributed suction slots 10b. Between the suction slots 10b brush 10c are arranged, which are exchangeable fastened in the form of slide-in strips in or on the brush roller 10.
  • each brush roller 10 has six suction slots 10b with brushes 10c interposed therebetween.
  • the brush rollers 10 are preferably driven and have the same peripheral speed at the outer diameter of the brush 10 c as the working speed of the web.
  • the produced velor 2b is not pulled over fixed brushes, whereby the quality can suffer in particular at the low basis weights, but continuously moved by the rotating brush rollers 10 to the conveyor belt 8 almost frictionless.
  • the brushes may also be arranged in bundles on the brush roller 10, wherein between the brushes a plurality of bores, not shown, are arranged, through which the water of the water bar is sucked. Also in this embodiment, the water bars 4 are operated at a pressure of 40 to 200 bar.
  • a circumferential perforated conveyor belt can be used with a brush lining, in which case a suction is set up below the support surface for the fleece of the conveyor belt.
  • this embodiment has optionally as a switchable unit, at least one further water bar 20 with a suction 23 in the working direction in the area in front of the water bar 4, with which the velor is generated.
  • This water bar 20 is operated at a lower pressure of, for example, 20 to 100 bar, and can be operated in particular for light nonwovens or a high operating speed.
  • the nozzle row 21 may have a higher nozzle density than the nozzle row 5 to form a suede.
  • the nozzle diameter may also have a smaller diameter, so that it is preconsolidated here with finer water jets 22 than with the water bar 4.
  • pre-moistening or preconsolidation of the unconsolidated nonwoven 2 a can take place, so that a higher process reliability and / or a higher operating speed of the plant is achieved especially in nonwovens with low basis weights.
  • this brush roller has a suction chamber not further referred to and suction or suction holes through which at least a portion of the water from the water bar 4 can be removed.
  • the resulting layer of a suede 2b is no longer on the conveyor belt 8 with the pile fibers.
  • this embodiment may provide a pre-wetting or preconsolidation with at least one further water bar 20 with accessories, which is operated at a lower pressure than the water bar. 4
  • Nonwovens with a basis weight of 50 g / m 2 to 500 g / m 2 can be processed.
  • the working speed can be up to 300m / min.
  • the fibers of the nonwoven preferably have at least a length of 20 mm.
  • the above the brush roller 10 or the suction device 3 projecting length of the individual brushes can be up to 15 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
EP19159677.4A 2018-03-05 2019-02-27 Installation et procédé de production d'un velours textile Active EP3536841B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018104907.2A DE102018104907A1 (de) 2018-03-05 2018-03-05 Anlage und Verfahren zur Erzeugung eines textilen Velours

Publications (2)

Publication Number Publication Date
EP3536841A1 true EP3536841A1 (fr) 2019-09-11
EP3536841B1 EP3536841B1 (fr) 2020-07-08

Family

ID=65628648

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19159677.4A Active EP3536841B1 (fr) 2018-03-05 2019-02-27 Installation et procédé de production d'un velours textile

Country Status (4)

Country Link
EP (1) EP3536841B1 (fr)
CN (1) CN110230151B (fr)
DE (1) DE102018104907A1 (fr)
ES (1) ES2813279T3 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651393A (en) * 1984-12-07 1987-03-24 Oskar Dilo Maschinenfabrik Kg Unit for the production of structured textile velour needle-bonded fabric webs
EP0411647A1 (fr) * 1989-08-03 1991-02-06 Oskar Dilo Maschinenfabrik KG Procédé pour la fabrication d'un velours aiguilleté en relief avec des motifs
WO2009147051A1 (fr) * 2008-06-05 2009-12-10 Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung Tapis à velours dont la surface est similaire au touffetage

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3451109A (en) * 1968-11-18 1969-06-24 Union Carbide Corp Method of making non-woven fibrous web
EP2302120B1 (fr) * 2009-09-22 2012-06-20 Groz-Beckert KG Injecteur pour une machine de traitement du textile
CN201915223U (zh) * 2010-12-20 2011-08-03 东纶科技实业有限公司 一种条绒水刺非织造布
WO2012176825A1 (fr) * 2011-06-23 2012-12-27 花王株式会社 Feuille composite et son procédé de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4651393A (en) * 1984-12-07 1987-03-24 Oskar Dilo Maschinenfabrik Kg Unit for the production of structured textile velour needle-bonded fabric webs
EP0183952B1 (fr) 1984-12-07 1989-01-11 Oskar Dilo Maschinenfabrik KG Machine pour la fabrication de feutres textiles veloutés aiguilletés structurés
EP0411647A1 (fr) * 1989-08-03 1991-02-06 Oskar Dilo Maschinenfabrik KG Procédé pour la fabrication d'un velours aiguilleté en relief avec des motifs
WO2009147051A1 (fr) * 2008-06-05 2009-12-10 Entwicklungsgesellschaft für Akustik (EfA) mit beschränkter Haftung Tapis à velours dont la surface est similaire au touffetage

Also Published As

Publication number Publication date
DE102018104907A1 (de) 2019-09-05
ES2813279T3 (es) 2021-03-23
CN110230151A (zh) 2019-09-13
EP3536841B1 (fr) 2020-07-08
CN110230151B (zh) 2022-04-05

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