US20070212436A1 - Machine For The Production Of A Finished Non-Woven - Google Patents

Machine For The Production Of A Finished Non-Woven Download PDF

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Publication number
US20070212436A1
US20070212436A1 US10/575,299 US57529904A US2007212436A1 US 20070212436 A1 US20070212436 A1 US 20070212436A1 US 57529904 A US57529904 A US 57529904A US 2007212436 A1 US2007212436 A1 US 2007212436A1
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Prior art keywords
web
applicator
machine according
conveyor
product
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Abandoned
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US10/575,299
Inventor
Frederic Noelle
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Rieter Perfojet SAS
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Individual
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Assigned to RIETER PERFOJET reassignment RIETER PERFOJET ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: NOELLE, FREDERIC
Publication of US20070212436A1 publication Critical patent/US20070212436A1/en
Abandoned 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
    • 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
    • D04H3/16—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 thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
    • 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
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
    • 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 machines for the production of nonwovens, comprising one or more spun-bond towers and optionally one or more melt-blown heads depositing filaments and optionally fibres as a web onto a conveyor.
  • the web thus deposited, and still fragile, is then sent to a water-jet consolidation station.
  • the invention remedies this drawback.
  • the subject of the invention is therefore a machine for the continuous production of a nonwoven, comprising a spun-bond tower depositing filaments as a web onto a conveyor and a device for consolidating the web, characterized by a moisture-expressing means downstream, in the direction in which the web moves, of the consolidation device and by an applicator for applying a product to the web downstream of the expressing means.
  • the expressing means consists simply of a second conveyor over which the web passes, a vacuum device being provided between the upper and lower runs of said second conveyor, said device giving for example a vacuum of between 40 and 700 millibar and subjecting the web to a suction effect.
  • the upper run of the second conveyor is given a length such that, depending on the speed with which the web passes, the moisture content of the web becomes less than 70% by weight, better still less than 50% and even better less than 20% upon exiting the second conveyor.
  • This moisture content is in general between 10% and 70% by weight. Unlike what a drying unit would give, it is greater than 10%.
  • the residence time of the web on the second conveyor may be less than 2 seconds for a conveyor whose upper run has a length of for example 2m.
  • the machine may include, downstream of the product applicator, a device for drying the web, this drying device possibly being made less substantial by the fact that a good part of the moisture has already been expressed in the expressing means.
  • the product applicator is preferably a foam applicator or a lick-roll applicator or a spray applicator, these accommodating a residual moisture content of the web.
  • the application takes place in longitudinal bands, thereby creating, for example, an alternation of hydrophilic and hydrophobic longitudinal regions.
  • Patent Application EP-0 072 961 it is provided not to express the moisture from a nonwoven web, that is to say to expel some of the water by a mechanical means, but to dry a nonwoven web, that is to say to eliminate almost all of the water therefrom by a supply thermal energy.
  • FIGURE is a schematic sectional representation of a machine according to the invention.
  • a spun-bond tower having an extruder for extruding an organic polymer melt that feeds a die 1 for producing a curtain of filaments F, a cooling zone 2 for solidifying the extruded filaments, at least on the surface, a suction device 3 in the form of a chamber in which the curtain of filaments is subjected to the action of high-velocity streams of air that draw the filaments, and a diffuser 4 allowing, at the exit of the suction device, the stream of air to be deflected and slowed down and the filaments F to be distributed in a random fashion as a web, which is deposited on the upper run 5 of an endless first conveyor 6 .
  • the filaments are in the form of a bundle of filaments F, lying perpendicular to the plane of the FIGURE.
  • a horizontal drum 7 with an internal vacuum device shown symbolically by the letter A Mounted above the upper run 5 is a horizontal drum 7 with an internal vacuum device shown symbolically by the letter A.
  • the lateral surface of the drum 7 is perforated.
  • the drum is rotated about its axis.
  • the drum is surrounded by an apertured sleeve.
  • Two injectors 8 project pressurized water jets onto the lateral face of the drum, it being possible for the web of filaments to pass between the drum 7 and the injectors 8 and thus to be consolidated.
  • the jets may have a diameter of between 80 and 170 microns.
  • the number of jets per metre may be between 1000 and 5000 and the water pressure in the injectors may be between 10 and 400 bar, while the vacuum in the drum 7 may be between minus 20 millibar and minus 200 millibar, and the drum 7 may be driven at a speed of between 1 and 400 m/min.
  • the web then passes onto the upper run 9 of a second conveyor 10 in order to reach a second drum 11 of the same structure and same operation as the drum 7 . From the drum 11 , the web passes onto a drum 12 provided, like the drum 11 , with injectors.
  • the drum 12 is similar to the drum 11 in its structure and in its operation.
  • the web On leaving the drum 12 , the web is sent directly to a third conveyor 15 provided with a moisture-expressing device 16 , namely a box in which a 600-millibar vacuum is created, said box being interposed between the upper run and the lower run of the third conveyor 15 .
  • the upper face of the box has a slit extending transversely, facing the entire web passing over the conveyor and via which the moisture is sucked out therefrom.
  • the upper run has a length of 3 m. The web passes along this at a speed of 200 m per minute.
  • an applicator 17 for applying an ennobling product which comprises an actual product application station 18 , a drying station 19 and a wind-up station 20 .
  • a ready-to-use nonwoven is thus continuously obtained.

Abstract

A machine for the production of a nonwoven, comprises a spun-bond tower and a conveyor, a consolidation device, a vacuum for expressing the moisture from the web, and an applicator for applying a product to the web downstream of the vacuum are provided.

Description

  • The present invention relates to machines for the production of nonwovens, comprising one or more spun-bond towers and optionally one or more melt-blown heads depositing filaments and optionally fibres as a web onto a conveyor. The web thus deposited, and still fragile, is then sent to a water-jet consolidation station.
  • One drawback of these machines is that the web that emerges therefrom cannot be sent continuously to a product application unit.
  • The invention remedies this drawback.
  • The subject of the invention is therefore a machine for the continuous production of a nonwoven, comprising a spun-bond tower depositing filaments as a web onto a conveyor and a device for consolidating the web, characterized by a moisture-expressing means downstream, in the direction in which the web moves, of the consolidation device and by an applicator for applying a product to the web downstream of the expressing means.
  • According to one embodiment, the expressing means consists simply of a second conveyor over which the web passes, a vacuum device being provided between the upper and lower runs of said second conveyor, said device giving for example a vacuum of between 40 and 700 millibar and subjecting the web to a suction effect.
  • Thanks to this, it is now possible to make webs consisting of hydrophobic filaments, for example made of polypropylene, polyethylene or metallocene, to continuously undergo a subsequent treatment with a surfactant and/or a binder and/or a lubricant and/or a swelling agent and/or a dye, or a continuous printing operation, the expressing of the moisture being sufficient for the product applied by the applicator to be correctly applied to the web even if the latter consists of hydrophobic filaments.
  • The upper run of the second conveyor is given a length such that, depending on the speed with which the web passes, the moisture content of the web becomes less than 70% by weight, better still less than 50% and even better less than 20% upon exiting the second conveyor. This moisture content is in general between 10% and 70% by weight. Unlike what a drying unit would give, it is greater than 10%. In general, the residence time of the web on the second conveyor may be less than 2 seconds for a conveyor whose upper run has a length of for example 2m.
  • The machine may include, downstream of the product applicator, a device for drying the web, this drying device possibly being made less substantial by the fact that a good part of the moisture has already been expressed in the expressing means.
  • The product applicator is preferably a foam applicator or a lick-roll applicator or a spray applicator, these accommodating a residual moisture content of the web.
  • Preferably, for hygiene products, especially for nappies, the application takes place in longitudinal bands, thereby creating, for example, an alternation of hydrophilic and hydrophobic longitudinal regions.
  • In Patent Application EP-0 072 961 it is provided not to express the moisture from a nonwoven web, that is to say to expel some of the water by a mechanical means, but to dry a nonwoven web, that is to say to eliminate almost all of the water therefrom by a supply thermal energy.
  • The single FIGURE of the appended drawing illustrates the invention.
  • The FIGURE is a schematic sectional representation of a machine according to the invention.
  • It comprises a spun-bond tower having an extruder for extruding an organic polymer melt that feeds a die 1 for producing a curtain of filaments F, a cooling zone 2 for solidifying the extruded filaments, at least on the surface, a suction device 3 in the form of a chamber in which the curtain of filaments is subjected to the action of high-velocity streams of air that draw the filaments, and a diffuser 4 allowing, at the exit of the suction device, the stream of air to be deflected and slowed down and the filaments F to be distributed in a random fashion as a web, which is deposited on the upper run 5 of an endless first conveyor 6. The filaments are in the form of a bundle of filaments F, lying perpendicular to the plane of the FIGURE.
  • Mounted above the upper run 5 is a horizontal drum 7 with an internal vacuum device shown symbolically by the letter A. The lateral surface of the drum 7 is perforated. The drum is rotated about its axis. The drum is surrounded by an apertured sleeve. Two injectors 8 project pressurized water jets onto the lateral face of the drum, it being possible for the web of filaments to pass between the drum 7 and the injectors 8 and thus to be consolidated. The jets may have a diameter of between 80 and 170 microns. The number of jets per metre may be between 1000 and 5000 and the water pressure in the injectors may be between 10 and 400 bar, while the vacuum in the drum 7 may be between minus 20 millibar and minus 200 millibar, and the drum 7 may be driven at a speed of between 1 and 400 m/min. The web then passes onto the upper run 9 of a second conveyor 10 in order to reach a second drum 11 of the same structure and same operation as the drum 7. From the drum 11, the web passes onto a drum 12 provided, like the drum 11, with injectors. The drum 12 is similar to the drum 11 in its structure and in its operation.
  • On leaving the drum 12, the web is sent directly to a third conveyor 15 provided with a moisture-expressing device 16, namely a box in which a 600-millibar vacuum is created, said box being interposed between the upper run and the lower run of the third conveyor 15. The upper face of the box has a slit extending transversely, facing the entire web passing over the conveyor and via which the moisture is sucked out therefrom. The upper run has a length of 3 m. The web passes along this at a speed of 200 m per minute.
  • Downstream of this conveyor is an applicator 17 for applying an ennobling product, which comprises an actual product application station 18, a drying station 19 and a wind-up station 20.
  • A ready-to-use nonwoven is thus continuously obtained.

Claims (7)

1-5. (canceled)
6. A machine for the continuous production of a nonwoven, comprising a spun-bond tower depositing filaments as a web onto a conveyor and a device for consolidating the web, by water jets, characterized by a moisture-expressing means downstream, in the direction in which the web moves, of the consolidation device and by an applicator for applying a product to the web downstream of the expressing means.
7. A machine according to claim 6, wherein the expressing means comprises a vacuum device for subjecting the web to a suction effect.
8. A machine according to claim 7, wherein said vacuum device provides a vacuum of between about 40 millibar and about 700 millibar.
9. A machine according to claim 6, wherein the expressing means comprises a device for drying the web downstream of the product applicator.
10. A machine according to claim 6, wherein the product applicator is a foam applicator or a lick-roll applicator.
11. A machine according to claim 6, wherein the applicator is a device for applying longitudinal bands.
US10/575,299 2003-10-31 2004-10-26 Machine For The Production Of A Finished Non-Woven Abandoned US20070212436A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0312794A FR2861750B1 (en) 2003-10-31 2003-10-31 MACHINE FOR PRODUCING A FINISHED NONTISSE.
FR0312794 2003-10-31
PCT/FR2004/002753 WO2005042821A1 (en) 2003-10-31 2004-10-26 Machine for the production of a finished non-woven

Publications (1)

Publication Number Publication Date
US20070212436A1 true US20070212436A1 (en) 2007-09-13

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US10/575,299 Abandoned US20070212436A1 (en) 2003-10-31 2004-10-26 Machine For The Production Of A Finished Non-Woven

Country Status (8)

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US (1) US20070212436A1 (en)
EP (1) EP1682713B1 (en)
JP (1) JP2007510071A (en)
KR (1) KR20060090713A (en)
CN (1) CN1875140A (en)
BR (1) BRPI0416139B1 (en)
FR (1) FR2861750B1 (en)
WO (1) WO2005042821A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2935992B1 (en) * 2008-09-16 2010-09-17 Rieter Perfojet SPUNBOND TOWER WITH ELECTROSTATIC DEVICE.

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US3750237A (en) * 1970-03-24 1973-08-07 Johnson & Johnson Method for producing nonwoven fabrics having a plurality of patterns
US3800364A (en) * 1970-03-24 1974-04-02 Johnson & Johnson Apparatus (discontinuous imperforate portions on backing means of closed sandwich)
US4504650A (en) * 1983-12-05 1985-03-12 General Electric Company Copolyetherimides and process of preparation
US4623575A (en) * 1981-08-17 1986-11-18 Chicopee Lightly entangled and dry printed nonwoven fabrics and methods for producing the same
US4879170A (en) * 1988-03-18 1989-11-07 Kimberly-Clark Corporation Nonwoven fibrous hydraulically entangled elastic coform material and method of formation thereof
US4931355A (en) * 1988-03-18 1990-06-05 Radwanski Fred R Nonwoven fibrous hydraulically entangled non-elastic coform material and method of formation thereof
US4939016A (en) * 1988-03-18 1990-07-03 Kimberly-Clark Corporation Hydraulically entangled nonwoven elastomeric web and method of forming the same
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US5290628A (en) * 1992-11-10 1994-03-01 E. I. Du Pont De Nemours And Company Hydroentangled flash spun webs having controllable bulk and permeability
US5295997A (en) * 1991-07-25 1994-03-22 Perfojet S. A. Process for the production of a cotton-based, washable nonwoven cloth and cloth thus obtained
US5320900A (en) * 1993-08-10 1994-06-14 E. I. Du Pont De Nemours And Company High absorbency cleanroom wipes having low particles
US5369858A (en) * 1989-07-28 1994-12-06 Fiberweb North America, Inc. Process for forming apertured nonwoven fabric prepared from melt blown microfibers
US5396689A (en) * 1992-01-28 1995-03-14 Perfojet Sa Process for obtaining a composite textile structure based on nonwoven fibrous sheets
US5405650A (en) * 1992-04-03 1995-04-11 Johnson & Johnson Inc. Method for manufacturing a non-woven fabric marked with a print
US5414914A (en) * 1985-09-20 1995-05-16 Uni-Charm Corporation Process for producing apertured nonwoven fabric
US5718022A (en) * 1995-02-03 1998-02-17 Icbt Perfojet Method for making a nonwoven fabric lap using pressurized water jets, and apparatus therefore
US5727292A (en) * 1995-03-02 1998-03-17 Icbt Perfojet Installation for the production of nonwoven webs, the cohesion of which is obtained by the action of fluid jets
US5768756A (en) * 1995-05-17 1998-06-23 Icbt Perfojet Process and device for manufacturing a non-woven unpatterned textile
US6007653A (en) * 1995-06-06 1999-12-28 Upm-Kymmene Oyj Manufacturing method and nonwoven material
US6063717A (en) * 1995-10-06 2000-05-16 Nippon Petrochemicals Company Ltd. Hydroentangled nonwoven fabric and method of producing the same
US6110848A (en) * 1998-10-09 2000-08-29 Fort James Corporation Hydroentangled three ply webs and products made therefrom
US20010005926A1 (en) * 1998-07-31 2001-07-05 Frederic Noelle Process for the production of a complex nonwoven material and novel type of material thus obtained
US6270623B1 (en) * 1997-12-26 2001-08-07 Uni-Charm Corporation Method for making apertured nonwoven fabric
US6314627B1 (en) * 1998-06-30 2001-11-13 Polymer Group, Inc. Hydroentangled fabric having structured surfaces
US20020157766A1 (en) * 1999-06-10 2002-10-31 Rieter Perfojet Process for producing a nonwoven material, plant for implementing it and nonwoven thus obtained
US20020168910A1 (en) * 2000-01-11 2002-11-14 Rieter Icbt Method for producing a complex nonwoven fabric and resulting novel fabric
US6903034B1 (en) * 1999-04-07 2005-06-07 Polymer Group, Inc. Hydroentanglement of continuous polymer filaments

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* Cited by examiner, † Cited by third party
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IN159421B (en) * 1981-08-17 1987-05-16 Chicopee
FR2601970B1 (en) * 1986-07-24 1988-10-28 Vuillaume Andre DEVICE FOR MANUFACTURING NONWOVEN FABRICS HAVING HIGH STRENGTH CHARACTERISTICS.

Patent Citations (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3800364A (en) * 1970-03-24 1974-04-02 Johnson & Johnson Apparatus (discontinuous imperforate portions on backing means of closed sandwich)
US3750237A (en) * 1970-03-24 1973-08-07 Johnson & Johnson Method for producing nonwoven fabrics having a plurality of patterns
US4623575A (en) * 1981-08-17 1986-11-18 Chicopee Lightly entangled and dry printed nonwoven fabrics and methods for producing the same
US4504650A (en) * 1983-12-05 1985-03-12 General Electric Company Copolyetherimides and process of preparation
US5414914A (en) * 1985-09-20 1995-05-16 Uni-Charm Corporation Process for producing apertured nonwoven fabric
US4939016A (en) * 1988-03-18 1990-07-03 Kimberly-Clark Corporation Hydraulically entangled nonwoven elastomeric web and method of forming the same
US4950531A (en) * 1988-03-18 1990-08-21 Kimberly-Clark Corporation Nonwoven hydraulically entangled non-elastic web and method of formation thereof
US4931355A (en) * 1988-03-18 1990-06-05 Radwanski Fred R Nonwoven fibrous hydraulically entangled non-elastic coform material and method of formation thereof
US4879170A (en) * 1988-03-18 1989-11-07 Kimberly-Clark Corporation Nonwoven fibrous hydraulically entangled elastic coform material and method of formation thereof
US5369858A (en) * 1989-07-28 1994-12-06 Fiberweb North America, Inc. Process for forming apertured nonwoven fabric prepared from melt blown microfibers
US5295997A (en) * 1991-07-25 1994-03-22 Perfojet S. A. Process for the production of a cotton-based, washable nonwoven cloth and cloth thus obtained
US5393304A (en) * 1991-07-25 1995-02-28 Perfojet Sa Washable spunlace non-woven cotton-based cloth
US5396689A (en) * 1992-01-28 1995-03-14 Perfojet Sa Process for obtaining a composite textile structure based on nonwoven fibrous sheets
US5405650A (en) * 1992-04-03 1995-04-11 Johnson & Johnson Inc. Method for manufacturing a non-woven fabric marked with a print
US5290628A (en) * 1992-11-10 1994-03-01 E. I. Du Pont De Nemours And Company Hydroentangled flash spun webs having controllable bulk and permeability
US5320900A (en) * 1993-08-10 1994-06-14 E. I. Du Pont De Nemours And Company High absorbency cleanroom wipes having low particles
US5718022A (en) * 1995-02-03 1998-02-17 Icbt Perfojet Method for making a nonwoven fabric lap using pressurized water jets, and apparatus therefore
US5727292A (en) * 1995-03-02 1998-03-17 Icbt Perfojet Installation for the production of nonwoven webs, the cohesion of which is obtained by the action of fluid jets
US5768756A (en) * 1995-05-17 1998-06-23 Icbt Perfojet Process and device for manufacturing a non-woven unpatterned textile
US6007653A (en) * 1995-06-06 1999-12-28 Upm-Kymmene Oyj Manufacturing method and nonwoven material
US6063717A (en) * 1995-10-06 2000-05-16 Nippon Petrochemicals Company Ltd. Hydroentangled nonwoven fabric and method of producing the same
US6270623B1 (en) * 1997-12-26 2001-08-07 Uni-Charm Corporation Method for making apertured nonwoven fabric
US6314627B1 (en) * 1998-06-30 2001-11-13 Polymer Group, Inc. Hydroentangled fabric having structured surfaces
US20010005926A1 (en) * 1998-07-31 2001-07-05 Frederic Noelle Process for the production of a complex nonwoven material and novel type of material thus obtained
US6460233B2 (en) * 1998-07-31 2002-10-08 Rieter Perfojet Process for the production of a complex nonwoven material and novel type of material thus obtained
US6110848A (en) * 1998-10-09 2000-08-29 Fort James Corporation Hydroentangled three ply webs and products made therefrom
US6903034B1 (en) * 1999-04-07 2005-06-07 Polymer Group, Inc. Hydroentanglement of continuous polymer filaments
US20020157766A1 (en) * 1999-06-10 2002-10-31 Rieter Perfojet Process for producing a nonwoven material, plant for implementing it and nonwoven thus obtained
US20020168910A1 (en) * 2000-01-11 2002-11-14 Rieter Icbt Method for producing a complex nonwoven fabric and resulting novel fabric

Also Published As

Publication number Publication date
EP1682713A1 (en) 2006-07-26
EP1682713B1 (en) 2015-08-05
JP2007510071A (en) 2007-04-19
KR20060090713A (en) 2006-08-14
FR2861750B1 (en) 2006-02-24
CN1875140A (en) 2006-12-06
FR2861750A1 (en) 2005-05-06
BRPI0416139A (en) 2007-01-02
WO2005042821A1 (en) 2005-05-12
BRPI0416139B1 (en) 2015-03-17

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AS Assignment

Owner name: RIETER PERFOJET, FRANCE

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:NOELLE, FREDERIC;REEL/FRAME:018508/0615

Effective date: 20060331

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION