EP2420604A2 - Machine de pose de non tissu et procédé de pose de non tissé - Google Patents

Machine de pose de non tissu et procédé de pose de non tissé Download PDF

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Publication number
EP2420604A2
EP2420604A2 EP20110177226 EP11177226A EP2420604A2 EP 2420604 A2 EP2420604 A2 EP 2420604A2 EP 20110177226 EP20110177226 EP 20110177226 EP 11177226 A EP11177226 A EP 11177226A EP 2420604 A2 EP2420604 A2 EP 2420604A2
Authority
EP
European Patent Office
Prior art keywords
angle
nonwoven
nonwoven fabric
web
machine
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
EP20110177226
Other languages
German (de)
English (en)
Other versions
EP2420604A3 (fr
EP2420604B1 (fr
Inventor
Hubert Hergeth
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Individual
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Individual
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Publication date
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Publication of EP2420604A2 publication Critical patent/EP2420604A2/fr
Publication of EP2420604A3 publication Critical patent/EP2420604A3/fr
Application granted granted Critical
Publication of EP2420604B1 publication Critical patent/EP2420604B1/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
    • 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
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric

Definitions

  • the nonwovens industry has been using machines for the production of nonwovens made from staple fibers for nearly 100 years.
  • the machines consist of several rolls, which are provided with trimmings and singulate the fibers by means of carding and form a fleece on a doffer.
  • Normal machines also called "carding" produce a nonwoven which, before further solidification in subsequent machines, has a draft-to-tensile ratio of 10: 1 in the direction of travel to transverse to the direction of travel.
  • the ratio can be improved to 4: 1 by means of random and upsetting rolls to DIN 64118.
  • By means of air-laid webs as in the applications DE 2 535 544 and DE 3 901 313 By way of example, this ratio can be improved to 3: 1.
  • Another old method for producing nonwovens is the use of a card stacker with a crosslapper and optionally a nonwoven web.
  • the preferably longitudinally oriented nonwoven (in the running direction) is fed to at least one conveyor belt a crosslapper.
  • This stacker places the fleece in several layers by means of conveyor belts on a 90 ° to the withdrawal direction running deposit belt. A subsequent nonwoven stretch stretches this nonwoven, so that a nearly 1: 1 strength is achieved.
  • the strength is to be achieved with the present invention, but with significantly less machinery.
  • the machine cost is considerably lower.
  • the speed of the system is about 10 times faster, and the nonwoven is uniform, since edges of the layers from which the web is formed account for.
  • Web forming machine is placed with their main axes at a different angle than the usual 90 ° to the direction of the delivery belt.
  • the fibers By placing the fleece in orderly orientation, z. B. by means of an air flow, the fibers can retain their caused by the opening or opening rollers orientation when depositing on the deposit belt, since no coherent web is stored.
  • at least two nonwoven laying machines must work together.
  • the strength of the fleece is achieved by two layers whose main fiber orientation is offset by about 90 °. This results in high strength in the longitudinal and transverse directions, similar to alignment in a fabric.
  • Conventional nonwoven machines try to achieve a good longitudinal / transverse ratio through a confused layer of fibers (sauerkraut effect). However, the fiber force is not optimally utilized in this random orientation.
  • the fibers which are not aligned in the longitudinal or transverse direction, contribute only little to these strengths.
  • the suction boxes are pivoted below the conveyor belt or suction rollers when tilting the fleece machine or the ⁇ ffnursgsschfitz the suction box is adjusted with.
  • Fig. 1 shows the previous system.
  • a nonwoven imaging machine 2 is positioned with the sketched clothing rollers.
  • the axis direction 3) of the clothing rollers forms approximately a 90 ° angle to the direction of the delivery belt 1).
  • the non-woven tensile strength is about three times as high in the FFL direction as transverse to the FFQ direction. It is also possible to deliver several machines in succession to the same delivery system, which may also comprise several belts or sieve belts.
  • Fig. 2 shows such a system in an embodiment of the invention.
  • the web forming machines are arranged at a non-right angle ⁇ between the axial direction of their clothing rollers and the delivery system running direction.
  • the nonwoven machine after dissolving the fibers from a drum with a steel set or pins, transfers the fibers to a stream of air which deposits the fibers on a screen belt or screen drum to form the web.
  • the delivery system 1) here preferably designed as a screen belt, runs in the transport direction 4). Under the screen belt are suction boxes 6). The fibers are dissolved by a web forming machine 2) and conveyed to the screen belt. The axes 3) of the opening rollers are in a Wankel ⁇ ) to the transport direction of the delivery system.
  • the suction opening of the suction box 6) is in its longitudinal axis approximately parallel to the axes of the opening rollers of the web forming machine.
  • the long conveyor belt of the transport system 1) does not have to take over the fibers directly.
  • the fibers can also be taken over by a short suction belt or a suction drum, on which the fleece is formed, and from which the fleece is then transferred to the long conveyor belt, which also takes over the fleece from several fleece machines.
  • the machines must be arranged at opposite angles to the direction of travel of the transport system to achieve the 1: 1 strength ratio.
  • the axes of the opening rollers (also called opening rollers) in the first machine about + 65 ° and the second machine - 65 ° to the direction of the discharge belt stand. These angles are in Fig. 2 denoted by + ⁇ and - ⁇ .
  • the strength ratio is adjustable when the nonwoven machine and the suction box are adjustable in angle to the delivery belt. This can be done by turning it around a pivot point. In this simple way, a nonwoven with adjustable strength ratios up to 1: 1 can be produced.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP11177226.5A 2010-08-18 2011-08-11 Machine de pose de non tissu et procédé de pose de non tissé Active EP2420604B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201010034777 DE102010034777A1 (de) 2010-08-18 2010-08-18 Vlieslegemaschine und Verfahren zum Legen eines Vlieses

Publications (3)

Publication Number Publication Date
EP2420604A2 true EP2420604A2 (fr) 2012-02-22
EP2420604A3 EP2420604A3 (fr) 2015-02-18
EP2420604B1 EP2420604B1 (fr) 2019-04-10

Family

ID=45098838

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11177226.5A Active EP2420604B1 (fr) 2010-08-18 2011-08-11 Machine de pose de non tissu et procédé de pose de non tissé

Country Status (4)

Country Link
US (1) US8590111B2 (fr)
EP (1) EP2420604B1 (fr)
CN (1) CN102517696B (fr)
DE (1) DE102010034777A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010008748U1 (de) * 2010-10-07 2012-01-16 Autefa Solutions Germany Gmbh Legeeinrichtung
WO2013126492A1 (fr) * 2012-02-22 2013-08-29 The Procter & Gamble Company Structures fibreuses et procédés de fabrication de celles-ci
DE102012203395A1 (de) * 2012-03-05 2013-09-05 Voith Patent Gmbh Querablegen von Fasern
DE102016113721A1 (de) * 2016-07-26 2018-02-01 Autefa Solutions Germany Gmbh Faserflor-basiertes bahnförmiges Textil mit unidirektional erhöhter Festigkeit
WO2018224141A1 (fr) * 2017-06-07 2018-12-13 Spühl Gmbh Procédé et appareil de fabrication d'une couche de recouvrement d'un matériau non tissé pour unité de ressorts internes et unité de ressorts internes
JP6811685B2 (ja) * 2017-06-21 2021-01-13 Ｅｎｅｏｓ株式会社 吸音材

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2535544A1 (de) 1974-08-09 1976-02-26 Du Pont Verfahren zur herstellung einer stapelfaserbahn
DE3901313A1 (de) 1989-01-18 1990-07-19 Hollingsworth Gmbh Vlieskrempel

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NL111341C (fr) * 1954-04-23
US3066359A (en) * 1957-11-05 1962-12-04 Chicopee Mfg Corp Methods and apparatus for producing fibrous webs
US3066358A (en) * 1957-11-05 1962-12-04 Chicopee Mfg Corp Fibrous web and methods and apparatus for producing the same
US3235913A (en) * 1961-02-14 1966-02-22 Schuller Werner Hugo Wilhelm Method for continuously producing glass fibre mats
NL274048A (fr) * 1961-02-14 1900-01-01
GB1376960A (en) * 1969-02-18 1974-12-11 Regina Glass Fibre Ltd Apparatus for the continuous production of a web or mat of staple glass fibres
US3645814A (en) * 1969-10-10 1972-02-29 Us Agriculture Process for producing resin treated cotton batting products wherein the density of portions of the product can be varied to meet end use requirements
NL171732C (nl) * 1971-11-08 Kendall & Co Werkwijze voor het vervaardigen van een niet-geweven vezelbaan, alsmede inrichting voor het uitvoeren van de werkwijze.
US4065832A (en) * 1977-02-28 1978-01-03 Scott Paper Company Apparatus for forming a fibrous structure
US4540454A (en) * 1982-11-08 1985-09-10 Personal Products Company Method of forming a superthin absorbent product
DE3242539C2 (de) * 1982-11-18 1984-09-20 Spinnbau GmbH, 2820 Bremen Verfahren und Vorrichtung zum Herstellen eines Flors oder Vlieses
DD218913B1 (de) * 1983-03-25 1988-06-15 Univ Dresden Tech Verfahren und einrichtung zur herstellung von faservlies
US4589169A (en) * 1983-03-25 1986-05-20 Veb Kombinat Textima Apparatus for production of a non-woven fabric
AU631217B2 (en) * 1989-06-29 1992-11-19 Isover Saint-Gobain Mineral fibres collection process and device.
IT1241874B (it) * 1990-07-18 1994-02-01 Veneto Feltrificio Spa Metodo ed impianto per la fabbricazione di falde per feltri.
JPH0671767B2 (ja) * 1992-03-27 1994-09-14 工業技術院長 傾斜複合材料用素材の製造方法
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DE19511904B4 (de) 1995-03-31 2006-07-20 Dilo, Johann Philipp Anlage und Verfahren zur Herstellung von Vliesbahnen
DE10109476C1 (de) * 2001-02-28 2002-06-27 Gunter Schmidt Verfahren und Vorrichtung zum Herstellen isotroper Vliesstoffe
FR2821631B1 (fr) * 2001-03-01 2003-09-19 Saint Gobain Vetrotex Procede et dispositif de fabrication d'une plaque composite a renfort fibreux multiaxial
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JP4194880B2 (ja) * 2003-05-20 2008-12-10 トヨタ紡織株式会社 繊維成形体及びその製造方法
DE10329648B4 (de) * 2003-07-01 2005-06-16 Oskar Dilo Maschinenfabrik Kg Vorrichtung zur Vliesbildung
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CN101126196B (zh) * 2007-10-10 2010-05-19 东华大学 交叉铺网机上的一种底帘抽吸装置
DE102009055912A1 (de) * 2009-11-27 2011-06-09 Thüringisches Institut für Textil- und Kunststoff-Forschung e.V. Verfahren zur kontinuierlichen Herstellung von Stapelfasergelegen aus endlich langen Verstärkungsfasern mit gerichteter Faserorientierung

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DE2535544A1 (de) 1974-08-09 1976-02-26 Du Pont Verfahren zur herstellung einer stapelfaserbahn
DE3901313A1 (de) 1989-01-18 1990-07-19 Hollingsworth Gmbh Vlieskrempel

Also Published As

Publication number Publication date
CN102517696A (zh) 2012-06-27
CN102517696B (zh) 2018-03-16
EP2420604A3 (fr) 2015-02-18
DE102010034777A1 (de) 2012-02-23
EP2420604B1 (fr) 2019-04-10
US8590111B2 (en) 2013-11-26
US20120149272A1 (en) 2012-06-14

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