EP1829997A2 - Trommel für Produktionsanlage eine Vliesstoffes, Verfahren zur Herstellung eines Vliesstoffes und so erhaltener Vliesstoff - Google Patents

Trommel für Produktionsanlage eine Vliesstoffes, Verfahren zur Herstellung eines Vliesstoffes und so erhaltener Vliesstoff Download PDF

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Publication number
EP1829997A2
EP1829997A2 EP07008823A EP07008823A EP1829997A2 EP 1829997 A2 EP1829997 A2 EP 1829997A2 EP 07008823 A EP07008823 A EP 07008823A EP 07008823 A EP07008823 A EP 07008823A EP 1829997 A2 EP1829997 A2 EP 1829997A2
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EP
European Patent Office
Prior art keywords
drum
conveyor
compartment
nonwoven
manufacture
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
EP07008823A
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English (en)
French (fr)
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EP1829997A3 (de
EP1829997B1 (de
Inventor
Frédéric NOELLE
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.)
Andritz Perfojet SAS
Original Assignee
Rieter Perfojet SAS
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 Rieter Perfojet SAS filed Critical Rieter Perfojet SAS
Publication of EP1829997A2 publication Critical patent/EP1829997A2/de
Publication of EP1829997A3 publication Critical patent/EP1829997A3/de
Application granted granted Critical
Publication of EP1829997B1 publication Critical patent/EP1829997B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • D04H13/00—Other non-woven fabrics
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
    • D04H3/10—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically
    • D04H3/11—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between yarns or filaments made mechanically by fluid jet

Definitions

  • the present invention relates to nonwoven webs and their processes and production facilities.
  • the patent US 6,321,425 discloses a method of manufacturing a nonwoven web which consists in sending a web, resulting from a spunbond tower which normally comprises successively from top to bottom a generator of a curtain of filaments, in particular of plastic filaments, a an attenuator device with a curtain filament stretching slot a diffuser and a filament receiving conveyor, a calender which consolidates the formed web blank, and a water jet entanglement drum.
  • This method has the disadvantage of altering the uniformity of the formation of the sheet and of orienting the filaments preferably in the machine direction by the stretching which is applied thereto.
  • the invention overcomes this disadvantage by making it possible to obtain a nonwoven web whose properties are substantially isotropic, that is to say substantially identical whether in the machine direction or in the cross direction. It makes it possible not to disturb the removal of the filaments by a large conveyor whose mesh is blocked by water and to protect it from the corrosive action of the water.
  • a drum comprising a fixed cylindrical body with perforated lateral surface surrounded by a perforated sleeve driven in rotation relative to the axis of the cylindrical body, and means intended to create a depression inside. from the body.
  • a watertight partition divides the interior of the body into two compartments delimited by the partition and respectively a first and a second portion of the lateral surface and both of which are depressed by the means intended to create them.
  • the first compartment of the drum makes it possible to bring onto the drum a blank of web lying on an associated conveyor, substantially tangent to the drum at a so-called contact point (this is the point where the conveyor and the drum are closest to the drum). one of the other without touching), even if this draft of a tablecloth is still weak, as it is the case when it comes to the tablecloth coming from a spunbound tower, without needing to prior to calender the draft tablecloth or subject him to other operations involving stretching which permanently undermine the isotropy of the properties of the nonwoven web finally obtained.
  • the first compartment begins opposite the point of contact of the conveyor tangent to the drum and ends opposite a point of the lateral surface downstream, in the direction of rotation of the sleeve, the point of contact.
  • the ply blank has thus been applied to the drum by the depression prevailing in the first compartment, it is subjected to entanglement by jets of water.
  • the first compartment extends over a cylindrical sector of the defined body, in the cross-sectional view of the cylindrical body, substantially by two rays perpendicular to each other, the first compartment occupying substantially the quarter of the interior. from the body.
  • the cylindrical sector occupied by the first compartment is disposed in the second dial between three and six hours.
  • each compartment has its own means of creating a depression and, preferably, the depression is further in the first compartment than in the first compartment. the second.
  • a depression of between 30 and 400 mbar may be created and in the second compartment a depression of between 30 and 300 mbar.
  • the ratio of the total area of the perforations, per unit area, to the area of the lateral surface where they are, is greater for the first compartment. only for the second. This ratio can be for the first compartment between 5% and 30%, while for the second compartment it is between 2% and 15%.
  • the perforations of the lateral surface facing the second compartment are in particular slots facing the pressurized water injectors on the part of the sleeve which passes just opposite the part of the lateral surface of the second compartment.
  • the pressure of the jets is generally between 30 and 400 bars and the diameter of each jet between 75 and 200 microns.
  • a rigid rotary perforated cylinder is mounted outside the fixed cylindrical body and its inside diameter is adjusted to the outer diameter of the cylindrical body so that the minimum clearance thus preserved allows rotation while minimizing air leakage. According to the technical solution adopted for the manufacture of this rotary cylinder, it is envisaged to use spring-mounted plastic battens to improve the tightness of the separation of the two compartments.
  • This rotary cylinder can be a simple perforated plate, a cylinder made of bronze or stainless steel drilled with holes arranged in a helix, a honeycomb cylinder. It may be a rolled perforated sheet metal tube coated with a coarse metal fabric drainage sleeve that provides good uniformity of water extraction. This rotating cylinder supports a thinner perforated sleeve that effectively supports the filaments and fibers of the nonwoven during hydraulic entanglement.
  • the distribution of the holes in the sleeve can be random.
  • the holes can also be arranged aligned or staggered.
  • the holes of the sleeve may also be distributed in small areas of ordered perforations distributed randomly on the surface of the sleeve.
  • the sleeve may be made of a metal fabric or synthetic material or a mixture of metal fabric and synthetic material. It is preferred that the diameter of the holes of the sleeve be between 50 and 500 microns. In order to obtain patterns on the sheet, provision may also be made to thread a perforated sheath onto the sleeve, the openings of which have at least a dimension greater than 2 mm.
  • the invention also relates to an installation for producing a nonwoven web comprising a spunbond conveyor tower leading to a drum according to the invention.
  • the conveyor of the tower and the conveyor tangent to the drum are one and the same conveyor, but it is also possible to provide two separate conveyors.
  • the drum is mounted directly downstream of the tower.
  • directly downstream is meant herein without interposition of a device causing the stretching of the web. So there is no grille, but there may be a compactor roller.
  • the invention also relates to a method for producing a nonwoven web, which consists in using an installation according to the invention, and in adjusting the speed of the conveyor of the tower or the tangent conveyor to a value greater than the linear speed. of the drum (counted on the periphery of the drum).
  • a nonwoven web is thus obtained whose ratio of the breaking strength in the machine direction to that in the cross direction may be less than 1 because of this difference in speed.
  • the speeds are substantially the same one can obtain a ratio of the resistance to the breaking in the machine direction to that in the cross direction of the nonwoven web according to the invention less than 1.2 and especially about 1, so that the nonwoven web according to the invention is particularly well isotropic.
  • the drum shown schematically in Figure 1 comprises an inner body 1 consisting of a fixed cylinder with a diameter of 400 mm and a sheet forming the lateral surface.
  • the lateral surface is perforated with perforations with a diameter of 8 mm in a portion which will delimit what will be called later the first compartment and the lateral surface is pierced with several slots especially in the vicinity of the injectors in a part that will delimit what The second compartment will be called later.
  • the ratio (void ratio) of the sum of the areas of the perforations to the total area of the lateral surface is between 5% and 30% in the first compartment and between 2% and 15% in the second compartment.
  • a perforated rotary cylinder 4 is threaded onto the body 1 and is rotated by a belt drive device 2.
  • the cylinder 4 is holed.
  • the ratio of the sum of the areas of the holes to the area of the total lateral surface of the cylinder 4 is between 30% and 90% and preferably between 40% and 80%.
  • the cylinder 4 has a thickness of between 1.5 and 30 mm and is generally made of stainless steel or bronze.
  • a sleeve 5 is threaded onto the rotary cylinder 4.
  • the ratio of the sum of the areas of the holes to the total lateral surface area of the sleeve 5 is between 5% and 20% and preferably between 5% and 15%.
  • the sleeve 5 is obtained by electrodeposition of nickel. It is microperforated with holes of diameter ranging from 50 to 500 microns and preferably between 200 and 400 microns.
  • the interior of the drum 1 communicates with a pipe 7 for extracting air and water.
  • Two injectors 8 and 9 respectively send according to the generatrices of the body 1 jets of water towards the sleeve 5.
  • Figure 2 is a perspective view illustrating better an embodiment of the drum. It is constituted by the inner cylinder 1 axis O which is split and the sheet forming the lateral surface along two slots 11 arranged between spacers 12 and being in the dial of 1 to 3 hours.
  • a partition consisting of two sheets 13,14 together forming a cylinder sector.
  • the two sheets 13,14 extend in a cross-sectional view perpendicular to the axis O substantially two radii. They are waterproof. They delimit between them with the part 15 of the lateral surface between 3h and 6h a first compartment 16 while the partition 13,14 delimits with the rest of the body 1 a second compartment 17 into which open the slots 11.
  • Rows of holes 18 formed on the portion 15 of the side surface opens into the first compartment 16.
  • the first compartment 16 is connected to means for putting it in depression. They are of the same type as the conduit 7, but are distinct.
  • the void fraction of part 15 is 16%. It is larger than that corresponding to the slots 11.
  • the first compartment also comprises a not shown slot, placed at 6 o'clock facing the point of tangency of the conveyor carrying the nonwoven blank with the cylinder. This slot is intended to facilitate the transfer of the filament web on the portion of the cylinder facing the first compartment.
  • FIG. 3 The embodiment shown in Figure 3 is identical to that of Figure 2, except that the rows of holes 18 of the portion 15 are replaced by slots 19 which are not parallel to the axis O.
  • the installation shown in Figure 4 comprises a spunbond 21 conveyor tower 22 leading, optionally with a pressure roller 23, to a drum 24 according to the invention of the main application.
  • the conveyor 22 is tangent to the drum 24 at the lowest point thereof.
  • One of the water injectors is angularly disposed immediately adjacent the first compartment 26, which means that one of the radial walls defining the second compartment 26 is in a position corresponding substantially to 4 o'clock while the first injector 25 is in a position just before 4 o'clock.
  • the tablecloth nonwoven which is deposited on the conveyor 22 is sucked on the drum 24 thanks to the suction provided by the first compartment 26, is entangled hydraulically by the injectors 25 and leaves the drum 24 to pass on a conveyor 27 inclined before to enter a furnace 28, then out to wind on a winder 29.
  • a spunbond tower 31 is again recognized, which deposits a blank of nonwoven web 32, which is taken by a first drum 33 according to the invention of the main request having an injector 34 and which is sent by a conveyor 35 to a second drum 36 according to the invention of the main application.
  • FIG. 6 a variant of FIG. 4 is recognized on which the filament web is transferred to additional drums 41 and 42 to provide additional consolidation and patterns prior to entering the through-air drying oven.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)
EP07008823.2A 2002-04-12 2003-04-08 Trommel für produktionsanlage eine vliesstoffes, verfahren zur herstellung eines vliesstoffes und so erhaltener vliesstoff Expired - Lifetime EP1829997B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0204604A FR2838457B1 (fr) 2002-04-12 2002-04-12 Tambour pour installation de production d'une nappe non-tissee, procede de production d'une nappe non-tissee et nappe non-tissee obtenue
EP03746325A EP1499767B1 (de) 2002-04-12 2003-04-08 Trommel für produktionsanlage eines vliesstoffs, verfahren zur herstellung eines vliesstoffs und so erhaltener vliesstoff

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP03746325A Division EP1499767B1 (de) 2002-04-12 2003-04-08 Trommel für produktionsanlage eines vliesstoffs, verfahren zur herstellung eines vliesstoffs und so erhaltener vliesstoff

Publications (3)

Publication Number Publication Date
EP1829997A2 true EP1829997A2 (de) 2007-09-05
EP1829997A3 EP1829997A3 (de) 2009-04-08
EP1829997B1 EP1829997B1 (de) 2018-03-28

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ID=28459790

Family Applications (2)

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EP03746325A Expired - Lifetime EP1499767B1 (de) 2002-04-12 2003-04-08 Trommel für produktionsanlage eines vliesstoffs, verfahren zur herstellung eines vliesstoffs und so erhaltener vliesstoff
EP07008823.2A Expired - Lifetime EP1829997B1 (de) 2002-04-12 2003-04-08 Trommel für produktionsanlage eine vliesstoffes, verfahren zur herstellung eines vliesstoffes und so erhaltener vliesstoff

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EP03746325A Expired - Lifetime EP1499767B1 (de) 2002-04-12 2003-04-08 Trommel für produktionsanlage eines vliesstoffs, verfahren zur herstellung eines vliesstoffs und so erhaltener vliesstoff

Country Status (12)

Country Link
US (2) US7350279B2 (de)
EP (2) EP1499767B1 (de)
JP (1) JP4313681B2 (de)
CN (1) CN100381625C (de)
AT (1) ATE490358T1 (de)
AU (1) AU2003246794A1 (de)
DE (1) DE60335182D1 (de)
FR (1) FR2838457B1 (de)
IL (1) IL164472A (de)
PL (1) PL207824B1 (de)
TR (1) TR201808600T4 (de)
WO (1) WO2003087455A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
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FR2845697B1 (fr) * 2002-10-11 2005-05-27 Rieter Perfojet Procede et machine de production d'un non-tisse a reduction de la vitesse de deplacement de la nappe compactee
FR2861751B1 (fr) * 2003-10-31 2006-01-06 Rieter Perfojet Machine de production de nontisses de plusieurs qualites.
DE102004030918A1 (de) * 2003-12-18 2005-07-21 Fleissner Gmbh Absaugvorrichtung für Flüssigkeiten insbesondere an Maschinen zur hydrodynamischen Vernadelung
DE102004030413A1 (de) * 2004-06-23 2006-02-23 Fleissner Gmbh Vorrichtung zum hydrodynamischen Verschlingen der Fasern einer Faserbahn
DE102005007757A1 (de) * 2005-02-18 2006-08-31 Fleissner Gmbh Vorrichtung zur Musterung und Verfestigung einer Warenbahn mit austauschbarer Musterschale
DE502007003385D1 (de) 2006-11-13 2010-05-20 Rkw Se Unter Verwendung von Vliesstoffen hergestellte, mehrschichtige, querelastische Materialbahn
FR2911616B1 (fr) * 2007-01-19 2009-07-03 Rieter Perfojet Soc Par Action Installation et procede de production d'une nappe a base de fibres ou de filaments
DE102011113672A1 (de) * 2011-09-20 2013-03-21 Trützschler Nonwovens Gmbh Verfahren und Vorrichtung zum Perforieren eines Vlieses mittels hydrodynamischer Vernadelung
DE202013102203U1 (de) * 2012-08-23 2013-06-06 Trützschler GmbH & Co Kommanditgesellschaft Vorrichtung zur hydrodynamischen Verfestigung von Vliesen, Geweben oder Gewirken
DE102012110741A1 (de) * 2012-11-09 2014-05-15 TRüTZSCHLER GMBH & CO. KG Vorrichtung zur hydrodynamischen Verfestigung von Vliesen, Geweben oder Gewirken
US12084797B2 (en) 2016-06-10 2024-09-10 Fitesa Film Products Llc Method for making a composite material
DK3970675T3 (da) 2016-06-10 2026-01-19 Fitesa Film Products Llc Fremgangsmåde til fremstilling af hydroformet ekspanderet spundbondet ikke-vævet bane
DE202018107163U1 (de) * 2018-12-14 2020-03-13 Autefa Solutions Germany Gmbh Strahlsaugkasten

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US6321425B1 (en) 1999-12-30 2001-11-27 Polymer Group Inc. Hydroentangled, low basis weight nonwoven fabric and process for making same

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US6321425B1 (en) 1999-12-30 2001-11-27 Polymer Group Inc. Hydroentangled, low basis weight nonwoven fabric and process for making same

Also Published As

Publication number Publication date
CN1646752A (zh) 2005-07-27
AU2003246794A1 (en) 2003-10-27
US20080066274A1 (en) 2008-03-20
FR2838457A1 (fr) 2003-10-17
ATE490358T1 (de) 2010-12-15
TR201808600T4 (tr) 2018-07-23
JP4313681B2 (ja) 2009-08-12
EP1829997A3 (de) 2009-04-08
JP2005522596A (ja) 2005-07-28
EP1499767A1 (de) 2005-01-26
WO2003087455A1 (fr) 2003-10-23
CN100381625C (zh) 2008-04-16
EP1499767B1 (de) 2010-12-01
FR2838457B1 (fr) 2004-08-27
IL164472A0 (en) 2005-12-18
EP1829997B1 (de) 2018-03-28
DE60335182D1 (de) 2011-01-13
PL371286A1 (en) 2005-06-13
PL207824B1 (pl) 2011-02-28
US7350279B2 (en) 2008-04-01
US7500293B2 (en) 2009-03-10
IL164472A (en) 2010-12-30
US20050115036A1 (en) 2005-06-02

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