US20110277284A1 - Method and apparatus for producing cotton wool products - Google Patents

Method and apparatus for producing cotton wool products Download PDF

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Publication number
US20110277284A1
US20110277284A1 US13/144,927 US201013144927A US2011277284A1 US 20110277284 A1 US20110277284 A1 US 20110277284A1 US 201013144927 A US201013144927 A US 201013144927A US 2011277284 A1 US2011277284 A1 US 2011277284A1
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United States
Prior art keywords
steam
nonwoven mat
needling
compacting
preliminary
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.)
Abandoned
Application number
US13/144,927
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English (en)
Inventor
Ullrich Muenstermann
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.)
TREUTZSCHLER NONWOVENS GmbH
Original Assignee
TREUTZSCHLER 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 TREUTZSCHLER NONWOVENS GmbH filed Critical TREUTZSCHLER NONWOVENS GmbH
Assigned to TREUTZSCHLER NONWOVENS GMBH reassignment TREUTZSCHLER NONWOVENS GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MUENSTERMANN, ULLRICH
Publication of US20110277284A1 publication Critical patent/US20110277284A1/en
Abandoned 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
    • D04H1/02—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 a method for producing wadding products and a device for performing said method according to the precharacterizing part of the device claim and the method claim, respectively.
  • EP 1 310 226 B1 describes the production of a cosmetic wadding pad from a random-fiber non-woven mat of bleached cotton fibers by use of water-jet needling. At least one surface of the pad comprises fine grooves generated by water-jet needling. A similar article is described in EP 1 106 723 B1.
  • an apparatus for subjecting a non-woven sheet to superheated steam.
  • Application of the steam is performed by a hollow body extending across the width of the sheet which is to be treated.
  • the hollow body which can be fed with superheated steam is provided with a plurality of exit nozzles from which hot steam will be directed onto the sheet, while the sheet is being passed through below the body at a close distance.
  • DE 10 2008 031 278 A1 describes the production of an absorptive product by use of steam needling.
  • the product which is to be produced comprises cellulose fibers and/or other natural fibers which will be laid onto a non-woven of staple fibers that has been prefabricated by steam needling, or onto a spunbonded non-woven.
  • DE 10 2008 007 804 A1 describes a non-woven with liquid-absorbing components which is produced with application of steam needling.
  • DE 10 2008 007 796 A1 describes the application of jets of superheated steam for increasing the fluffiness of a to-be-generated product. There is performed a compacting of synthetic fibers or filaments.
  • the preliminary non-woven made substantially of cotton fibers, is compacted by application of high-pressure hot gas.
  • the preliminary non-woven mat can consist of bleached cotton fibers by 100%.
  • an admixture of other natural fibers can be provided.
  • Particularly fibers of polylactides and respectively polylactic acid can be admixed, wherein these fibers, due to their thermoplastic properties and the influence of superheated steam, will result in additional strength in the wadding pad.
  • the invention particularly useful for the production of wadding pads for cosmetic purposes.
  • Use is made of the surprising recognition that, by application of high-pressure hot steam jets, even a preliminary non-woven mat made of 100% cotton fibers can be compacted.
  • the high-pressure hot steam jets it is accomplished that, on the one hand, a slight interlacing or entanglement of the fibers will be caused by the pulse effect of the steam jets and that, on the other hand, the hot superheated steam will cause a slight thermoplastic bonding of the fibers.
  • the strength is in any case higher than the strength of the pure preliminary non-woven mat.
  • a compacting of a preliminary non-woven mat provided in a plurality of layers is provided.
  • the compacting of the non-woven mat by superheated steam is performed at a temperature of about 220° (Celsius).
  • the steam-needling unit comprises steam exit openings having a diameter of 0.03 mm and arranged at distances of 1.5 mm.
  • the steam-needling unit can be designed as a tube comprising the steam exit openings in the form of drilled holes.
  • the steam exit openings can be arranged in two or more rows extending parallel to each other. By an offset of the steam exit openings in the individual rows, correspondingly higher needling densities can be reached. Further, the plural number of steam exit openings will result in a sufficiently high introduction of heat into the product.
  • a cotton carding machine optionally followed by a means for longitudinal folding and folding-together of the preliminary non-woven mat into a plurality of layers.
  • the compacting means preferably comprises two screen belts (endless belts) converging at an angle, one of said screen belts carrying the preliminary non-woven mat and the other screen belt pressing the non-woven mat, while, subsequently, the first application of steam is performed through the latter screen belt which holds the non-woven mat in a pressed state.
  • Said first application of steam can be followed by further steam applications whereby steam will be applied to the non-woven mat and the fiber sheet from one or both sides. Especially by steam application performed from both sides, a uniform introduction of heat is guaranteed.
  • the application of steam onto the fiber sheet is performed in the area of a needling drum (screen drum, suction drum) deflecting the sheet, said drum being provided with an internal suction drain site for the steam.
  • a needling drum screen drum, suction drum
  • a heat exchanger recovers the excess energy of the sucked steam and this energy is fed to a steam processing site.
  • the entrance duct to the steam generator is arranged upstream of a heat exchanger which is in thermal contact with a conduit downstream of a suction site.
  • the fresh water supplied to the heat exchanger is preheated.
  • the heat exchanger can be arranged directly in the suction drum, downstream of the suction drain line of the suction drum and upstream of the condensate separator, or downstream of the condensate separator and the suction pump.
  • FIG. 1 is a lateral view of a larger system of a steam-needling device wherein a deflection roller of the first endless belt is formed as a needling drum,
  • FIG. 2 is a view of the system according to FIG. 1 , wherein the deflection roller of the first endless belt is used for a first application treatment of the fiber sheet, while further steam applications will be performed on a following deflection roller, designed as a takeover roller, of the second endless belt and thus will compact the fiber sheet from the other side, and
  • FIGS. 3 and 4 are views of two embodiments of the heat recovery according to the invention.
  • FIG. 5 is a view of a further embodiment of a system for application of steam onto a fiber sheet.
  • a steam needling unit with a needling drum 2 is shown as arranged in a frame 1 .
  • Said needling drum 2 (screen drum) comprised a suction means as illustrated in greater detail in FIGS. 3 and 4 .
  • the unit shown in FIG. 1 is normally the first unit of a larger needling system wherein, thus, there can follow a plurality of further needling drums which are will be contacted by the fiber sheet in a meandering manner and by which the fiber sheet will then be treated on both sides (in this regard, cf. FIG. 2 ).
  • This unit comprises a first endless belt 3 (screen belt) which is deflected and held tensioned by a plurality of rollers 5 arranged for rotation in a holding rack 4 and by the needling drum 2 .
  • a batt fiber sheet 7
  • This batt has no substantial strength and will be laid directly onto the endless belt 3 by the carding machine (not shown).
  • one or a plurality of layers of batt can be supplied for use. This can be performed e.g. by longitudinally folding the batt supplied by a carding machine.
  • the needling drum 2 serves for deflection of endless belt 3 as well as for pretreatment by steam and respectively for needling by steam.
  • This means that the needling drum is formed as a permeable drum (screen drum) which in its interior is provided with a suction drain 2 ′.
  • the direction of the suctional removal is indicated by the arrows 8 .
  • a further endless belt 9 running in the opposite sense, in such a manner that the working strand 3 ′ of the first endless belt 3 is arranged opposite to the working strand 9 ′ of the second endless belt, while, there, the strands 3 ′, 9 ′ rotate in the same direction and in this region, conically run toward each other (compacting region for the batt—fiber sheet 7 ).
  • This in turn is effected by a plurality of rollers 10 - 12 of endless belt 9 which are arranged for rotation on the holding rack 13 fastened to frame 1 .
  • rollers 11 and 12 are directly assigned to the needling drum 2 of the first endless belt 3 .
  • the rollers 11 and 12 are operative to press the tensioned endless belt 9 against the endless belt 3 and then against the needling drum 2 .
  • these rollers are arranged closely adjacent to each other and leave only so much space between them that the steam nozzle unit (the stream nozzle bar) 14 can be advanced to endless belt 9 .
  • the supplied fiber sheet which is advanced by the strand 3 ′ of endless belt 3 will not only be slowly compacted between the endless belts 3 and 9 but will also be pressed onto the needling drum 2 .
  • the fiber sheet 7 is pretreated by the first steam nozzle unit 14 and then can be further needled.
  • this will be performed directly on this needling drum 2 in that the endless belt 9 is deflected in the upward direction by roller 12 so that the upper side of the fiber sheet 7 will have been freed from the endless belt 9 .
  • the needling drum 2 Downstream of said deflection of endless belt 9 , the needling drum 2 has two further steam nozzle units (steam nozzle bars) 15 , 16 assigned to it in an axially parallel arrangement, said further steam nozzle units serving to generate a slight intertwining of the fibers which is achieved by the pulse effect of the steam. Then, while supported by endless belt 3 , the fiber sheet will be further transported and passed on to a further treatment organ 17 and will thus be detached from endless belt 3 .
  • the roller 12 of second endless belt 9 is designed as a takeover roller 12 ′ and at the same time as a needling drum.
  • steam nozzle units (steam nozzle bars) 15 ′ and 16 ′ are assigned to the takeover roller 12 ′, formed as a screen roller, of endless belt 9 .
  • the wetting is performed by said bar 14 and the first needling by said nozzle bars 15 ′, 16 ′ onto different surfaces of the fiber sheet.
  • the steam nozzle units (steam nozzle bars) 14 , 15 , 15 ′, 16 , 16 ′ comprise, on their underside facing toward the needling drum 2 and respectively the takeover roller 12 ′, a plurality of steam exit orifices extending across the width of the fiber sheet. Said steam exit orifices can be arranged in one or a plurality of mutually parallel rows.
  • FIG. 3 depicts one of the steam nozzle units 14 , 15 , 15 ′, 16 , 16 ′ according to FIG. 1 and respectively 2 which via a conduit is supplied with superheated steam from a superheater 20 .
  • the steam is provided by a steam generator 30 arranged upstream of said superheater unit.
  • a suction drain (suction chamber) 50 is arranged which is connected to a suction line 60 and a condensate separator 70 .
  • the liquid components of the components of the sucked steam which are captured in said condensate separator 70 (suction chamber 50 ) will be discharged via a drain 80 .
  • a suction line 90 the gaseous phase of the contents of condensate separator 70 is connected to a suction pump 100 .
  • the steam removed by suction will be discharged via a venting line 110 .
  • the feed line 120 (fresh water) for the steam generator 30 is arranged upstream of a heat exchanger 130 which is tightly thermally coupled to the venting line 110 of suction pump 100 .
  • a heat exchanger 130 which is tightly thermally coupled to the venting line 110 of suction pump 100 .
  • the components bearing the reference numerals 2 , 12 ′, 14 , 15 , 15 ′, 16 , 16 ′, 20 - 110 have the same designations and functions as in the example according to FIG. 3 .
  • the heat exchanger 130 A with the feed line 120 A for fresh water is thermally coupled to suction line 60 between suction chamber 50 and condensate separator 70 .
  • the fresh water of feed line 120 A can be brought to a higher temperature—the energy saving of the steam generator will be correspondingly higher.
  • the heat exchanger for heating the fresh water is directly integrated into drum 2 , 12 ′.
  • the degree of energy recovery will be correspondingly higher.
  • the fiber sheet 7 will be laid onto the working strand 3 ′ of a first endless belt 3 formed as a screen belt.
  • the endless belt 3 is tensioned about deflection rollers 5 .
  • the second endless belt 9 again formed as a screen band, rotates in the opposite sense to endless belt 3 and is tensioned about deflection rollers 10 .
  • the fiber sheet 7 transported in the direction of arrow 6 will first be compacted between the conically converging working strands 3 ′, 9 ′ of the endless belts 3 , 9 and then be held pressed in the region of the parallel endless belts 3 , 9 .
  • two steam nozzle units 14 , 15 formed as tubes are arranged below the endless belt 3 , said steam nozzle units comprising steam exit openings in the form of bores.
  • Assigned to each steam nozzle unit 14 , 15 is a suction chamber 50 above endless belt 3 .
  • the fiber sheet 7 held pressed between the endless belts will be subjected to hot steam from below.
  • Downstream of the region of the compacting, i.e. where the fiber sheet 7 is only resting on the endless belt 3 two further tubular steam nozzle units 14 ′, 15 ′ are arranged above fiber sheet 7 .
  • the appertaining suction chambers are arranged below the endless belt 3 supporting the fiber sheet 7 . In this manner, the fiber sheet 7 is subjected to an introduction of heat occurring in a uniform manner from both sides.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
US13/144,927 2009-02-05 2010-01-16 Method and apparatus for producing cotton wool products Abandoned US20110277284A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009007669.7 2009-02-05
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
US20110277284A1 true US20110277284A1 (en) 2011-11-17

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Application Number Title Priority Date Filing Date
US13/144,927 Abandoned US20110277284A1 (en) 2009-02-05 2010-01-16 Method and apparatus for producing cotton wool products

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)

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US20120096694A1 (en) * 2009-04-08 2012-04-26 Ullrich Muenstermainn Apparatus for compacting a fiber web
US20150354110A1 (en) * 2014-06-09 2015-12-10 Goodrich Corporation System and method for air entanglement
US20160002836A1 (en) * 2013-02-13 2016-01-07 TRüTZSCHLER GMBH & CO. KG Apparatus and method for hydrodynamic entanglement of non-wovens, wovens and knits
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
US20160281282A1 (en) * 2015-03-27 2016-09-29 Goodrich Corporation System and method for multiple surface air jet needling
US20170029995A1 (en) * 2014-04-08 2017-02-02 Autefa Solutions Germany Gmbh Nozzle bar and method
US10081892B2 (en) 2016-08-23 2018-09-25 Goodrich Corporation Systems and methods for air entanglement
US10640900B2 (en) * 2016-03-22 2020-05-05 Goodrich Corporation System and method for multiple surface water jet needling
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
US11879193B2 (en) 2021-03-29 2024-01-23 Andritz Kuesters Gmbh Apparatus and method for bonding layers comprising fibers to form a non-woven web

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CN102182010B (zh) * 2011-04-22 2012-11-07 吴冬仙 棉絮的制作方法
EP2893069B2 (fr) * 2012-09-06 2023-03-15 Hi Tech Textile Holding GmbH Dispositif pour compenser des variations de vitesse de transport d'un non-tissé

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US2719803A (en) * 1948-10-01 1955-10-04 Pellon Corp Stiffened washable garments and garment parts
US2719795A (en) * 1948-10-01 1955-10-04 Pellon Corp Absorbent fibrous sheet material and process of manufacturing the same
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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
US3113349A (en) * 1959-06-25 1963-12-10 Pellon Corp Methods and apparatus for the production of perforated non-woven fiber webs
US3501368A (en) * 1963-08-06 1970-03-17 Freudenberg Carl Kg Interlining
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)
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EP2393971A1 (fr) 2011-12-14

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