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EP2393971A1 - Procédé et dispositif pour la fabrication de produits ouatés - Google Patents

Procédé et dispositif pour la fabrication de produits ouatés

Info

Publication number
EP2393971A1
EP2393971A1 EP10705257A EP10705257A EP2393971A1 EP 2393971 A1 EP2393971 A1 EP 2393971A1 EP 10705257 A EP10705257 A EP 10705257A EP 10705257 A EP10705257 A EP 10705257A EP 2393971 A1 EP2393971 A1 EP 2393971A1
Authority
EP
European Patent Office
Prior art keywords
steam
fleece
cotton
needling
fibers
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.)
Withdrawn
Application number
EP10705257A
Other languages
German (de)
English (en)
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 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
Application filed by Truetzschler Nonwovens GmbH filed Critical Truetzschler Nonwovens GmbH
Publication of EP2393971A1 publication Critical patent/EP2393971A1/fr
Withdrawn legal-status Critical Current

Links

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
    • D04H1/42—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 characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • 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
    • 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
    • D04H1/54—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 by welding together the fibres, e.g. by partially melting or dissolving
    • 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
    • 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

Definitions

  • the invention relates to methods for the production of cotton wool products and to an apparatus for carrying out the method according to the preamble of the method or the device claim.
  • EP 1 310 226 B1 describes the production of a cosmetic cotton pad from a random fiber fleece bleached cotton fibers using water jet needling. At least one surface of the pad has fine grooves produced by water jet needling. A similar article is described in EP 1 106 723 B1.
  • EP 1 553 222 A1 discloses a device for charging a nonwoven web by means of superheated steam.
  • the application is made via a hollow body which extends over the width of the web to be treated.
  • the hollow body which can be acted upon by superheated steam has a multiplicity of outlet nozzles, from which hot steam is directed onto the web which is guided at a close distance under the body.
  • DE 10 2008 031 278 A1 describes the production of an absorbent product using steam needling.
  • the product to be created comprises pulp fibers and / or other natural fibers which are deposited on a nonwoven fabric made of staple fibers or a spunbonded non-woven fabric which is preconsolidated by means of steam needling.
  • DE 10 2008 007 804 A1 shows a nonwoven with liquid-absorbing constituents, which is produced using steam needling.
  • DE10 2008 007 796 A1 describes the application of superheated steam to increase the fluffiness of a product to be created. Synthetic fibers or filaments are solidified.
  • the object of the present invention is to improve a method and a corresponding device for producing a cotton wool product.
  • the pre-fleece consisting essentially of cotton fibers is solidified by means of a high-pressure hot gas application, preferably a steam needling.
  • the fleece can consist of 100% bleached cotton fibers.
  • fibers of polylactides or polylactic acids can be added, these fibers due to their thermoplastic properties and the Overheated steam gives additional strength in the cotton pad.
  • the invention is preferably suitable for the production of cotton pads for cosmetic purposes. It is exploited the surprising finding that can be solidified by hot steam jets high pressure and a 100% cotton fibers existing fleece.
  • the hot steam jets of high pressure on the one hand by the impulse action of the steam jets to a slight turbulence, confusion of the fibers, on the other hand, the hot supersaturated steam causes a slight thermoplastic bonding of the fibers.
  • the result is a very fluffy product, which, however, has sufficient for the intended use sufficient strength.
  • the strength is in any case higher than the strength of the pure Vorvlieses. Also, no firm, rather closed-feeling surface is formed, as is the case with pure calendering or solidification by water-jet needling of a cotton wool fleece.
  • a preferred embodiment of the production method provides for the consolidation of a pre-fleece provided in several layers.
  • the invention is designed when the solidification of the web with superheated steam at a temperature of about 220 ° (Celsius).
  • the steam nitriding unit has for this purpose steam outlet openings with a diameter of 0.03 mm, which are arranged at a distance of 1.5 mm.
  • the steam-nitriding unit may be formed as a pipe having the steam outlets in the form of drilled holes.
  • the plurality of steam outlet openings also results in a sufficiently high heat input into the goods.
  • the device according to the invention for carrying out the production method provides a device for providing a pre-fleece in the form of a fibrous web whose fibers consist essentially of cotton fibers.
  • a cotton card used which is optionally arranged downstream of a device for longitudinal folding and folding of Vorvlieses in several layers.
  • the pre-fleece provided in one or more layers is subsequently fed via a compacting device to a first steam impingement by a steam-atomizing unit.
  • the compacting device preferably consists of two screen belts converging at an angle (endless belts), one screen belt carrying the preliminary fleece, the other screen belt pressing the fleece, then the first steam is applied through this screen belt holding the fleece pressed.
  • the steam is applied to the fiber web in the region of a needling deflecting needling drum (sieve drum, suction drum), which has a suction for the steam in the interior.
  • a needling deflecting needling drum (sieve drum, suction drum), which has a suction for the steam in the interior.
  • a heat exchanger recovers the excess energy of the extracted steam and this is added to a steam treatment.
  • the inlet of the steam generator is preceded by a heat exchanger, which is in thermal contact with a line arranged downstream of the suction.
  • the fresh water supplied to the steam generator is preheated.
  • the heat exchanger can be arranged directly upstream of the suction drum, the suction line of the suction drum and upstream of the condensate separator or downstream of the condensate separator together with the suction pump.
  • FIG. 1 shows a side view of a larger system of a steam-atomizing device, in which a deflection roller of the first endless belt is designed as a needling drum,
  • 3 and 4 show two embodiments of the heat recovery according to the invention.
  • FIG. 5 shows a further embodiment of a system for steaming a fiber web.
  • a steam nitriding unit with a needling drum 2 is shown.
  • the needling drum 2 (screening drum) has a suction device shown in greater detail in FIGS. 3 and 4.
  • the unit shown in FIG. 1 is normally the first unit of a larger needling station, in which a plurality of further needling needles, which are looped around in a meandering manner and with which the fiber web is then processed on both sides, can join (see FIG. 2).
  • This unit consists of a first endless belt 3 (screen belt), which is deflected over several rotatably arranged in a holding frame 4 rollers 5 and the needle drum 2 and kept taut.
  • On this endless belt 3 runs in the direction of arrow 6 provided by a carding Faserflor (fiber web 7) made of bleached cotton fibers.
  • This batt has no substantial strength and is deposited by the carding, not shown directly on the endless belt 3.
  • one or more layers of batt may be provided. This can be done, for example, by longitudinal folding of the pile provided by a card.
  • the needling drum 2 serves to deflect the endless belt 3 as well as the steam pretreatment or steam needling. This means that it is designed as a permeable drum (sieve drum), which has a suction 2 'inside. The direction of the suction is shown by the arrows 8.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

Procédé de fabrication d'un produit ouaté, en particulier de disques d'ouate à usage cosmétique, qui consiste à préparer une ébauche de non-tissé constituée au moins principalement de fibres de coton, et à consolider cette ébauche de non-tissé au moyen d'une pluralité de jets de gaz très chaud et sous haute pression. Selon l'invention, le dispositif de consolidation (2, 12', 14, 15, 15', 16, 16') de l'ébauche de non-tissé (7) comporte un mécanisme permettant d'exposer ladite ébauche (7) à l'action d'un gaz très chaud sous haute pression.
EP10705257A 2009-02-05 2010-01-16 Procédé et dispositif pour la fabrication de produits ouatés Withdrawn EP2393971A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009007669A DE102009007669A1 (de) 2009-02-05 2009-02-05 Verfahren und Vorrichtung zur Herstellung von Watteprodukten
PCT/DE2010/000034 WO2010088870A1 (fr) 2009-02-05 2010-01-16 Procédé et dispositif pour la fabrication de produits ouatés

Publications (1)

Publication Number Publication Date
EP2393971A1 true EP2393971A1 (fr) 2011-12-14

Family

ID=42046405

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10705257A Withdrawn EP2393971A1 (fr) 2009-02-05 2010-01-16 Procédé et dispositif pour la fabrication de produits ouatés

Country Status (5)

Country Link
US (1) US20110277284A1 (fr)
EP (1) EP2393971A1 (fr)
CN (1) CN102369317A (fr)
DE (1) DE102009007669A1 (fr)
WO (1) WO2010088870A1 (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2404904T3 (es) * 2009-04-08 2013-05-29 Trützschler Nonwovens Gmbh Dispositivo para la consolidación de una banda de fibras
CN102182010B (zh) * 2011-04-22 2012-11-07 吴冬仙 棉絮的制作方法
DE202013104053U1 (de) * 2012-09-06 2013-12-17 Hi Tech Textile Holding Gmbh Ausgleichseinrichtung
DE102013101431B4 (de) * 2013-02-13 2016-06-23 TRüTZSCHLER GMBH & CO. KG Vorrichtung und Verfahren zum hydrodynamischen Verfestigen von Vliesen, Geweben und Gewirken
DE202014101647U1 (de) * 2014-04-08 2015-07-09 Autefa Solutions Germany Gmbh Düsenbalken
US9783917B2 (en) * 2014-06-09 2017-10-10 Goodrich Corporation System and method for air entanglement
US9850606B2 (en) * 2015-03-27 2017-12-26 Goodrich Corporation System and method for multiple surface air jet needling
CN105755672A (zh) * 2016-03-17 2016-07-13 泉州市汉威机械制造有限公司 一种超薄棉芯成型装置及其成型方法
US10017887B2 (en) * 2016-03-22 2018-07-10 Goodrich Corporation System and method for multiple surface water jet needling
US10081892B2 (en) 2016-08-23 2018-09-25 Goodrich Corporation Systems and methods for air entanglement
CN111394886A (zh) * 2020-03-20 2020-07-10 常熟市宏远无纺制品有限公司 一种无纺布加工工艺及其加工设备
DE102021107901A1 (de) 2021-03-29 2022-09-29 Andritz Küsters Gmbh Anlage und Verfahren zum Verfestigen von Fasern umfassenden Lagen zu einer Vliesbahn
CN118207688A (zh) * 2024-04-07 2024-06-18 南宁侨虹新材料股份有限公司 形成复合无纺布的方法

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1065344B (fr) * 1948-10-01
GB716178A (en) * 1948-10-01 1954-09-29 Freudenberg Carl Kg Improved process for the manufacture of porous flexible sheet material composed of adhesively-bonded fibres
US2719803A (en) * 1948-10-01 1955-10-04 Pellon Corp Stiffened washable garments and garment parts
DE1560792A1 (de) * 1951-01-28 1971-03-04 Freudenberg Carl Fa Verfahren zur Herstellung von Vliesstoffen,die siegelfaehige Fasern enthalten
US2862251A (en) * 1955-04-12 1958-12-02 Chicopee Mfg Corp Method of and apparatus for producing nonwoven product
US3042576A (en) * 1957-06-17 1962-07-03 Chicopee Mfg Corp Method and apparatus for producing nonwoven fibrous sheets
CA645085A (en) * 1959-06-25 1962-07-17 Nottebohm Carl-Ludwig Method of making perforated, textile-like non-woven sheet structures
DE1560773A1 (de) * 1963-08-06 1969-10-02 Freudenberg Carl Fa Einbuegelbare Versteifungsstoffe und Verfahren zu deren Herstellung
US3458905A (en) * 1966-07-05 1969-08-05 Du Pont Apparatus for entangling fibers
US3837046A (en) * 1970-03-24 1974-09-24 Johnson & Johnson Method (closed sandwich with large aperture forming means and perforated backing means)
DE2644961B2 (de) * 1976-10-06 1978-10-05 Fa. A. Monforts, 4050 Moenchengladbach Verfahren zum kontinuierlichen thermischen Verfestigen von Vliesen
DE3418942A1 (de) * 1984-05-22 1985-11-28 Bayer Ag, 5090 Leverkusen Verfahren und vorrichtung zum konditionieren von synthesefasermaterial
DE3541830A1 (de) * 1985-11-27 1987-06-04 Hartmann Paul Ag Wattetupfer und verfahren zu deren herstellung
US4984340A (en) * 1988-07-01 1991-01-15 Agency Of Industrial Science & Technology Method and apparatus for sewing together pieces of cloth with jet streams
IT1233086B (it) * 1989-05-31 1992-03-14 Claudio Governale Procedimento e macchina per ottenere il procedimento per il consolidamento di strutture fibrose non-tessute
DE19740338A1 (de) * 1997-09-13 1999-03-18 Truetzschler Gmbh & Co Kg Vorrichtung zum Herstellen eines Faservlieses, z. B. aus Baumwolle, Chemiefasern, Fasermischungen u. dgl.
FR2795100B1 (fr) * 1999-06-16 2001-09-14 Fort James France Produit de coton hydrophile comportant une face douce et une face grattante
DE19933360A1 (de) * 1999-07-16 2001-01-18 Saechsisches Textilforsch Inst Verfahren zur Verfestigung von Faser und/oder Filamentvliesen
PT1106723E (pt) 1999-12-07 2003-07-31 Georgia Pacific France Tampao de algodao hidrofilo destinado aos cuidados da pele e que compreende duas faces exteriores diferentes
DK1310226T3 (da) 2001-11-08 2006-02-13 Pelz Gmbh & Co Kg W Kosmetisk vatrondel
JP4439854B2 (ja) 2002-10-08 2010-03-24 三菱レイヨン・エンジニアリング株式会社 加圧蒸気噴出ノズルと同ノズルを用いた不織布の製造方法
JP5123497B2 (ja) * 2006-06-23 2013-01-23 ユニ・チャーム株式会社 不織布、不織布製造方法及び不織布製造装置
DE202007008357U1 (de) * 2007-03-29 2007-09-06 Fleissner Gmbh Vorrichtung zum Verfestigen von Fasern und/oder aus Polymer-Filamenten gebildeten Vliesen oder Bahnware mit Hilfe eines gasförmigen Mediums wie Inertgas, Luft und/oder Wasserdampf
DE102008007796A1 (de) 2007-03-29 2008-10-02 Fleissner Gmbh Vorrichtung zur Verfestigung von Fasern und/oder von aus Filamenten gebildeten Vliesen
DE102008007804A1 (de) 2007-06-11 2008-12-18 Fleissner Gmbh Vorrichtung zur Verfestigung von Fasern und/oder von aus Filamenten gebildeten Vliesen
DE102008031278A1 (de) 2007-07-12 2009-01-15 Fleissner Gmbh Vorrichtung zur Kompaktierung eines saugfähigen Produkts wiw Papier bzw. Tissue mit Hilfe einer Wasservernadelungseinrichtung oder Dampfvernadelungseinrichtung
US20110275264A1 (en) * 2010-05-10 2011-11-10 Mcbride Daniel T Durable flame resistant fabrics

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010088870A1 *

Also Published As

Publication number Publication date
US20110277284A1 (en) 2011-11-17
WO2010088870A1 (fr) 2010-08-12
CN102369317A (zh) 2012-03-07
DE102009007669A1 (de) 2010-08-12

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