EP3545122A2 - Vorrichtung zum strecken einer bahn zwischen einer kardiervorrichtung und einem kreuzleger - Google Patents

Vorrichtung zum strecken einer bahn zwischen einer kardiervorrichtung und einem kreuzleger

Info

Publication number
EP3545122A2
EP3545122A2 EP17804493.9A EP17804493A EP3545122A2 EP 3545122 A2 EP3545122 A2 EP 3545122A2 EP 17804493 A EP17804493 A EP 17804493A EP 3545122 A2 EP3545122 A2 EP 3545122A2
Authority
EP
European Patent Office
Prior art keywords
web
roller
carpet
belt
sail
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
EP17804493.9A
Other languages
English (en)
French (fr)
Other versions
EP3545122C0 (de
EP3545122B1 (de
Inventor
Jean-Christophe Laune
Hugues Leroy
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 FRANCE SAS
Original Assignee
Andritz Asselin Thibeau 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=57861176&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP3545122(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Asselin Thibeau SAS filed Critical Andritz Asselin Thibeau SAS
Priority to EP24161459.3A priority Critical patent/EP4357497A3/de
Publication of EP3545122A2 publication Critical patent/EP3545122A2/de
Application granted granted Critical
Publication of EP3545122C0 publication Critical patent/EP3545122C0/de
Publication of EP3545122B1 publication Critical patent/EP3545122B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G15/00—Carding machines or accessories; Card clothing; Burr-crushing or removing arrangements associated with carding or other preliminary-treatment machines
    • D01G15/02—Carding machines
    • D01G15/12—Details
    • D01G15/46—Doffing or like arrangements for removing fibres from carding elements; Web-dividing apparatus; Condensers
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G21/00—Combinations of machines, apparatus, or processes, e.g. for continuous processing
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G23/00—Feeding fibres to machines; Conveying fibres between machines
    • D01G23/08—Air draught or like pneumatic arrangements
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01G—PRELIMINARY TREATMENT OF FIBRES, e.g. FOR SPINNING
    • D01G25/00—Lap-forming devices not integral with machines specified above
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
    • D04H1/74—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)

Definitions

  • Web drawing device arranged between a card device and a lapping machine
  • the present invention relates to an installation for forming a sheet of fibers comprising at least one device for forming at least one web, in particular a card, and a spreader-lapper, a device for drawing the at least one web being arranged. between the device for forming at least one web, in particular the card, and the crosslapper, the drawing being carried out to control the surface mass distribution profile (g / m 2 ) or the thickness of the web coming out of the spreader-lapper.
  • pinching the veil has the effect of expelling, at the pinches, the air in the veil from the card.
  • this air which escapes from the veil because of the pinches, has a negative effect on the transport of the card web, for example by detaching it from its conveyor belt and / or by creating folds locally.
  • the result is either a poor quality veil, or the need to provide complicated systems to evacuate the air and / or annihilate the effects of air on the transport of the card web.
  • the present invention aims at overcoming the drawbacks of the prior art by proposing an installation for forming a layer of fibers, in particular nonwoven fibers, comprising a device for producing fiber fleece (s), for example a card, a crosslapper and a device for drawing the fiber web or sails arranged between the device for producing webs (s) and the crosslapper, which makes it possible to carry out a stretch, in particular variable as a function of time, in particular periodic , or at least one of the fiber webs to thereby adjust a desired profile given in advance of the web at the output of the crosslapper, in particular a well-homogeneous web, in particular having a transverse profile of thickness and / or mass.
  • a device for producing fiber fleece (s) for example a card
  • a crosslapper and a device for drawing the fiber web or sails arranged between the device for producing webs (s) and the crosslapper, which makes it possible to carry out a stretch, in particular variable as a function of time, in particular
  • an installation for forming a fiber web, in particular a nonwoven web is as defined in claim 1, improvements being defined in the subclaims.
  • the quality of the web is greatly improved.
  • the stretching carried out for example by an intermediate stretching roller, the drawing tension in combination with the binder improving the adherence of the veil, while at the same time avoiding, thanks to this juncture, pinching the sail and therefore to mark in any way the nonwoven web, which contributes to obtain a better quality of the web at the output of the spreader-lapper.
  • the advantage of the adhesion retaining associated with the combination stretching-loading, compared to a nip, is that the long fibers arranged generally in the direction of travel of the veil, keep a relative freedom of movement allowing a more progressive application of stretching and therefore limit the marking of the product.
  • the drawing means comprises a roller, part of the outer surface of which carries the web or webs between the exit belt (s) and the entrance belt, the roller being controlled by rotational drive means so as to control its rotation speed to vary it according to the stretching that is to be imparted to the sail (s).
  • the or each exit belt is inclined with respect to the entrance mat of the spreader-lapper.
  • the exit end point of the or each carpet is offset in height with respect to, in particular is above, the entry end point of the entrance mat of the spreader-lapper.
  • the upper web comes into contact with the outer surface of the drawing roller and moves along this outer surface to the return roller of the conveyor belt of the crosslapper.
  • the drawing means are constituted by moving the exit mats at a constant or substantially constant speed while the peripheral speed of the drawing roller is controlled so that the latter drives the card web at a speed greater than that of the web at the output of the card and variable depending on the stretch that it is desired to impart to the (x) sail (s).
  • the velocity of the input web of the crosslapper rotates at the same speed as the periphery of the tenter roll.
  • the conveyor belt of the lapper-spreader drives the card web at a speed slightly greater than that of the drawing roller, for example greater than 1% to 10%, this stretching (difference in weight). velocities) between the drawing roller and the entry of the lapper preferably being constant, and therefore independent of the variable stretching applied between the exit of the card and the drawing roller.
  • a fiber web forming apparatus comprising a forming a sail, for example a card, for the formation of at least one fiber web and a lapper-spreader supplied with the at least one web for producing a lapping by a back and forth motion of a lapper carriage in order to obtain a fiber web consisting of a stack of sections transverse to each other of the at least one web of fibers, a drawing device of the fiber web or sails being disposed between the output of the web formation device and the entry of the spreader-spreader, the stretching being preferably variable as a function of time, in particular periodically, to control the transverse profile of thickness and / or grammage of the sheet of fibers obtained at the outlet of the crosslapper, is characterized in that the 'stretching device comprises a driving element of at least one web, in particular a stretcher roller, arranged between the web-
  • the sail or sails are thus more resistant to the drawing operation and the sheet at the output of the crosslapper is of better quality, in particular without pierced and / or deteriorated area and furthermore the transverse profile of thickness and / or weight of the tablecloth is closer the expected one corresponding to the variable stretching performed on the at least one veil, see it corresponds perfectly or almost perfectly.
  • the advantage of the adhesion retaining associated with the combination stretching and suction / depression compared with a double nip as in the prior art, is that the long fibers generally arranged in the direction of the veil, keep a relative freedom of movement allowing a more gradual application of stretching which limits the marking of the web or sails and the web.
  • the use of a drawing roller makes it possible to obtain a high degree of accuracy in the area of application of the suction to the fiber fleece (s).
  • the suction device is arranged so that the thickness of the sail (s) passing over the driving surface is not less than 50% of the thickness of the web directly on the surface.
  • upstream of the roll preferably not less than 75% of its / their thickness directly upstream of the driving element, preferably not less than 90%, still more preferably is substantially equal to thickness directly upstream of the drive element and even more preferably is equal to its / their thickness directly upstream of the driving element, in particular the suction device being arranged to create, for a total mass per unit area sail or sails between 20 and 100 g / m 8 , especially between 30 and 80 g / m 2 , a vacuum between 10 millibars and 100 millibars, especially between 40 and 70 millibars.
  • the drawing roller is positioned downstream of a return roller of the or each exit belt to limit the distance over which the drawing force is applied between the respective belt return roller and the draw roller.
  • two exit mats of the sail formation device in particular card, respectively upper and lower, and two upper and lower sails joining at the entrance of the driving element.
  • the peripheral linear speed (Tangential) of the driving element varies in a speed range between 100 and 150% of the speed of the output web or mats of the haze forming device, especially card, preferably between 100 and 140%.
  • the velocity of the lapper-spreader entrance mat is substantially equal to or equal to the peripheral velocity of the driving member.
  • the carpet of the spreader-lapper drives the card web at a speed slightly greater than that of the driving element, for example greater than 1 to 10%, the drawing being preferably constant and therefore independent of the variable stretching applied by the driving element.
  • the drawing roller is arranged at a distance from the return roller of the or each belt, preferably at most 1 meter from the roller or from each return roller, and in particular at a distance of between 50 mm and 300 mm.
  • the gap between the return roller of the exit belt or of the upper exit belt of the sail-forming device and the drawing roller is between 5 and 20 mm, preferably between 7 and 15 mm, for a mass sail area of between 10 and 50 g / m 2 , preferably between 20 and 40 g / m 2 .
  • the gap between the return roller of the second belt, or lower carpet, of output and the driving element is between 10 and 30 mm, preferably between 15 and 25 mm, for a sail area weight. between 10 and 50 g / m 2 , preferably between 20 and 40 g / m 2 .
  • the present invention also relates to a process for obtaining a fiber web from an installation comprising a sail-forming device and a crosslapper, in which:
  • At least one fiber web is conveyed between the exit of the webbing device and the crosslapper by passing it over a driving surface, in particular the surface of a roll,
  • the at least one web is held on the suction drive surface
  • the veil held on the surface is stretched.
  • Figure 1 is a diagram of an installation according to one embodiment of the invention.
  • FIG. 1 schematically shows an installation according to another embodiment of the invention
  • the input carpet 7 '' advances at a speed substantially equal to that of the draw roller 10 ''.
  • the web 50 comes into contact with the bottom surface of the endless belt 110 and moves along this surface towards the carpet 70 of entry of the spreader-lapper.
  • the gap between the endless belt 110 and the belt 100 or the roller 30 is greater than the thickness of the web 50, so that no pinching force is exerted on the web 50 at this gap.
  • this gap may be between 5 and 20 mm, for example between 7 and 15 mm for a soft surface density between 10 and 50 g / m z, preferably between 20 and 40 g / m 2.
  • the gap between the endless belt 110 and the belt 70 or the roller 80 is greater than the thickness of the web 90, so that no pinching force is exerted on the web 90 at this gap.
  • FIG. 3 shows the curve giving the variation of the speed of the roll 10, respectively 10 ', 10'', respectively of the endless belt 110, with respect to the speed of the conveyor belts 1 and 2, respectively of the carpet 1 ', 1'', 100 in terms of percentage, the minimum speed corresponding to 100% of the speed of the mats 1 and 2, respectively of the carpet 1', 1 ", 100 and the maximum speed corresponding to a value of preference between 140% and 160% of the speed of the belts 1 and 2, respectively of the belt 1 ', 1 ", 100 as a function of the transverse position expected in the final ply of the stretch stretched at a time t, the variation of the speed being cyclic period corresponding to a transition from one edge to another (a go or a return) of the lapper-lapper lapper carriage.
  • This periodic profile (a single period is shown in Figure 3) speed allows to obtain a sheet having a transverse profile of uniform or substantially uniform thickness, that is to say a profile whose relative variation from one edge to the other of the thickness is

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Treatment Of Fiber Materials (AREA)
EP17804493.9A 2016-11-25 2017-11-14 Vorrichtung zum strecken einer bahn zwischen einer kardiervorrichtung und einem kreuzleger Active EP3545122B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP24161459.3A EP4357497A3 (de) 2016-11-25 2017-11-14 Vorrichtung zum strecken eines zwischen einer kardenvorrichtung und einem vliesleger angeordneten segels

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR1670710A FR3059344B1 (fr) 2016-11-25 2016-11-25 Dispositif d'etirage d'un voile dispose entre un dispositif de carde et un etaleur nappeur
FR1771155A FR3059343B1 (fr) 2016-11-25 2017-10-31 Installation pour former une nappe de fibres comportant au moins un dispositif de formation de voile, notamment une carde, et un etaleur-nappeur
PCT/EP2017/079227 WO2018095766A2 (fr) 2016-11-25 2017-11-14 Dispositif d'étirage d'un voile disposé entre un dispositif de carde et un étaleur nappeur.

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP24161459.3A Division-Into EP4357497A3 (de) 2016-11-25 2017-11-14 Vorrichtung zum strecken eines zwischen einer kardenvorrichtung und einem vliesleger angeordneten segels
EP24161459.3A Division EP4357497A3 (de) 2016-11-25 2017-11-14 Vorrichtung zum strecken eines zwischen einer kardenvorrichtung und einem vliesleger angeordneten segels

Publications (3)

Publication Number Publication Date
EP3545122A2 true EP3545122A2 (de) 2019-10-02
EP3545122C0 EP3545122C0 (de) 2024-04-10
EP3545122B1 EP3545122B1 (de) 2024-04-10

Family

ID=57861176

Family Applications (2)

Application Number Title Priority Date Filing Date
EP17804493.9A Active EP3545122B1 (de) 2016-11-25 2017-11-14 Vorrichtung zum strecken einer bahn zwischen einer kardiervorrichtung und einem kreuzleger
EP24161459.3A Pending EP4357497A3 (de) 2016-11-25 2017-11-14 Vorrichtung zum strecken eines zwischen einer kardenvorrichtung und einem vliesleger angeordneten segels

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP24161459.3A Pending EP4357497A3 (de) 2016-11-25 2017-11-14 Vorrichtung zum strecken eines zwischen einer kardenvorrichtung und einem vliesleger angeordneten segels

Country Status (7)

Country Link
US (2) US11885046B2 (de)
EP (2) EP3545122B1 (de)
CN (1) CN109996910B (de)
CA (1) CA3043266A1 (de)
ES (1) ES2983803T3 (de)
FR (2) FR3059344B1 (de)
WO (1) WO2018095766A2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3081885B1 (fr) * 2018-05-31 2020-09-11 Andritz Asselin Thibeau Systeme de formation d’une nappe de fibres
EP3908687B1 (de) * 2019-01-08 2023-05-31 ANDRITZ Perfojet SAS Einheit und verfahren zur herstellung von vliesstoffen
FR3098527B1 (fr) * 2019-07-11 2021-07-23 Andritz Asselin Thibeau Dispositif de transfert et/ou d'introduction d'une nappe de fibres, notamment d'une nappe de non-tissé, dans une installation de consolidation, notamment une aiguilleteuse
CN115897063B (zh) * 2022-09-02 2026-02-06 西门子（中国）有限公司 铺网机的铺网控制方法、装置和计算机可读介质

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IT1144368B (it) * 1981-05-20 1986-10-29 Gaudino Di P Gaudino & C Sas O Perfezionamenti nei laminatoi con almeno un campo di stiro per la filatura diretta di pettinato e semipettinato
DE9212215U1 (de) * 1992-09-10 1994-01-13 Autefa Maschinenfabrik GmbH, 86316 Friedberg Vorrichtung zur Herstellung eines Vlieses aus Fasermaterial
EP0757127A4 (de) * 1994-11-25 1999-08-25 Polymer Processing Res Inst Vliesstoff aus gestreckten langfasern aus unterschiedlichen polymeren und verfahren zu seiner herstellung
DE19543623A1 (de) * 1995-11-23 1997-05-28 Hergeth Hollingsworth Gmbh I K Florleger, sowie Verfahren zum Herstellen eines Vlieses
FR2770855B1 (fr) * 1997-11-07 2000-01-28 Asselin Procede et dispositif pour produire une nappe textile
US6362167B1 (en) 1999-02-17 2002-03-26 Natreon Inc. Method of blocking free radical processes which result in mediated pathology without deleterious pro-oxidant side reactions
DE10139833A1 (de) * 2001-08-14 2003-02-27 Dilo Kg Maschf Oskar Verfahren und Vorrichtung zum Herstellen eines Faservlieses
DE20113467U1 (de) * 2001-08-14 2002-12-19 Oskar Dilo Maschinenfabrik KG, 69412 Eberbach Streckwerk und Vorrichtung zum Herstellen eines Faservlieses
FR2830263B1 (fr) * 2001-10-03 2004-08-06 Thibeau Procede et installation pour la production d'un non-tisse condense, et dispositif de condensation d'un non-tisse
US7036197B2 (en) * 2001-12-21 2006-05-02 Invista North America S.A.R.L. Stretchable multiple-component nonwoven fabrics and methods for preparing
DE20211365U1 (de) * 2002-07-27 2003-10-09 AUTEFA Automation GmbH, 86316 Friedberg Vorrichtung zur Faserbehandlung
DE10234803A1 (de) * 2002-07-31 2004-02-12 Erko Textilmaschinen Gmbh Vorrichtung zur Abnahme eines Faservlieses von einer Karde, mit einer Absaugwalze
CN2637519Y (zh) * 2003-08-16 2004-09-01 王伟成 铺网机
DE10356074A1 (de) * 2003-12-01 2005-06-23 Oskar Dilo Maschinenfabrik Kg Verfahren zum Herstellen eines Nadelfilzes aus einem Krempelflor und Vorrichtung zum Breitstrecken des Krempelflors
DE102005006273A1 (de) * 2004-04-21 2005-11-10 Trützschler GmbH & Co KG Vorrichtung zum Verfestigen eines förderbaren Faservlieses, z. B. aus Baumwolle, Chemiefasern o. dgl.
CN201132870Y (zh) * 2007-11-08 2008-10-15 山西鸿基科技股份有限公司 加工棉网的牵伸装置
EP2085504B1 (de) * 2008-02-04 2010-12-22 ALBIS Spa Saugvorrichtung zum Überführen einer Vliesstoffbahn
CN202369699U (zh) * 2011-12-15 2012-08-08 恒天重工股份有限公司 牵伸匀整装置
WO2014037503A1 (de) * 2012-09-06 2014-03-13 Hi Tech Textile Holding Gmbh Ausgleichseinrichtung für schwankende fördergeschwindigkeiten eines faservlieses
CN203411682U (zh) * 2013-07-15 2014-01-29 肇庆俊富纤网材料有限公司 一种具有压棉功能的牵伸机
CN103882625B (zh) * 2014-04-04 2016-08-17 长兴县志纬服装辅料有限公司 一种无纺布生产系统
FR3026112B1 (fr) * 2014-09-22 2017-06-23 Andritz Asselin Thibeau Installation de consolidation, notamment par aiguilletage, d'une nappe de fibres
CN204401259U (zh) * 2014-12-31 2015-06-17 安国市中建无纺布有限公司 非织造布生产过程中使用的铺网机
FR3081885B1 (fr) * 2018-05-31 2020-09-11 Andritz Asselin Thibeau Systeme de formation d’une nappe de fibres

Also Published As

Publication number Publication date
EP3545122C0 (de) 2024-04-10
EP3545122B1 (de) 2024-04-10
US11885046B2 (en) 2024-01-30
ES2983803T3 (es) 2024-10-24
CN109996910B (zh) 2022-06-10
FR3059343A1 (fr) 2018-06-01
US20240117532A1 (en) 2024-04-11
FR3059343B1 (fr) 2019-04-05
WO2018095766A2 (fr) 2018-05-31
FR3059344A1 (fr) 2018-06-01
EP4357497A2 (de) 2024-04-24
WO2018095766A3 (fr) 2018-07-26
US20190271102A1 (en) 2019-09-05
CN109996910A (zh) 2019-07-09
CA3043266A1 (fr) 2018-05-31
FR3059344B1 (fr) 2019-11-22
EP4357497A3 (de) 2024-08-07

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