EP1300492B1 - Verfahren und Anlage zur Herstellung eines verdichteten Vliesstoffes und Vorrichtung zur Verdichtung eines Vliesstoffes - Google Patents

Verfahren und Anlage zur Herstellung eines verdichteten Vliesstoffes und Vorrichtung zur Verdichtung eines Vliesstoffes Download PDF

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Publication number
EP1300492B1
EP1300492B1 EP02370035A EP02370035A EP1300492B1 EP 1300492 B1 EP1300492 B1 EP 1300492B1 EP 02370035 A EP02370035 A EP 02370035A EP 02370035 A EP02370035 A EP 02370035A EP 1300492 B1 EP1300492 B1 EP 1300492B1
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EP
European Patent Office
Prior art keywords
nonwoven
transport surface
cylinder
transfer element
carding machine
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Expired - Lifetime
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EP02370035A
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English (en)
French (fr)
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EP1300492A1 (de
Inventor
Michel Collotte
Marc Brabant
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Thibeau SA
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Thibeau SA
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    • 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
    • D01G15/465—Doffing arrangements for removing fibres using, or cooperating with, pneumatic means

Definitions

  • the present invention relates to the field of the production of nonwovens by means of a card.
  • its main object is a method and an installation for the manufacture of a nonwoven whose fibers have been reoriented and which is commonly referred condensed nonwoven.
  • the invention finds more particularly, but not exclusively, its application to the manufacture of condensed nonwovens based on synthetic fibers (polypropylene, polyethylene, etc.), having a high grammage, and typically a grammage greater than 80 g / m 2 .
  • Nonwovens made by means of a card can be classified in two categories: nonwovens (or veils) called "parallel", whose fibers are essentially oriented parallel to each other to others in the machine direction (carding sense); nonwovens condensed (or scrambled) whose fibers have undergone a reorientation.
  • Parallel nonwovens are in practice nonwovens whose mechanical properties have a very low isotropy, with a very low mechanical strength of the nonwoven in the transverse direction machine direction.
  • Condensed nonwovens on the other hand, mechanical point of view, better isotropy, because of the reorientation of their fibers. In practice, these are nonwovens have a higher grammage, and are more resistant mechanically in the transverse direction compared to nonwovens parallel.
  • a doffer cylinder juxtaposed with the cylinder principal of the card (still commonly called big drum), and at least one first condenser cylinder juxtaposed with the cylinder comber.
  • the doffer cylinder is a cylinder presenting on its periphery a specific lining whose teeth are oriented in the opposite direction to its direction of rotation, and whose function is to take part of the individual fibers transported by the cylinder card, and to work these fibers in order to parallelize.
  • the condenser cylinder is also provided on its periphery of a specific lining whose teeth are oriented in the opposite direction to its direction of rotation, and is rotated in the opposite direction to that of the doffer, and with a speed circumferentially significantly lower.
  • This difference in speed allows loading of the condenser packing with the fibers parallel lines from the doffer, said fibers also being subjected to reorientation (or jamming) when transferred between the two cylinders.
  • This reorientation is explained by the fact that at their transfer the fibers are returned, being retained in the front part by the packing of the condenser cylinder driven at low speed, and at the opposite end of the rear driven at higher speed by the lining of the doffer cylinder.
  • a second cylinder can be provided condenser juxtaposed with the first condenser cylinder, and driven with a lower speed.
  • the condensed nonwoven obtained at the outlet of the card that is to say obtained at the outlet of the last condenser cylinder of the card, is then conveyed by any known means, to a station of consolidation that is chosen according to the intended application for the non-woven (binding of the fibers by jets of water, calendering, needling, ).
  • a condensed nonwoven is formed by means of two conveyor belts adjacent to the cylinder comb of the card, and a draw in the transfer zone of the fibers between the dovetail cylinder and the conveyor belts.
  • the present invention aims to propose a novel process for the production of a condensed nonwoven.
  • this first non-woven a condensation operation.
  • the speed differential between the transfer cylinder and the second transport surface allows a build up of fibers in the transfer zone between these two elements, and thus a reorientation of the fibers of the first non-woven.
  • a condensed nonwoven having a grammage greater than the basis weight the first nonwoven from the card.
  • the condensation is not carried out during the formation of the nonwoven, but is carried out at a later stage on a non-woven already formed and from a card. It has been found that this condensation carried out at a later stage on a non-woven already formed surprisingly allowed to obtain a condensation rate higher than that obtained with a traditional solution, without as much affect the quality of the nonwoven product.
  • Another object of the invention is a condensation device of a non-woven.
  • This device comprises a first and a second transport surfaces, and a rotary transfer member, which in turn operation allows to transfer a non-woven from the first to the second transport surface; in operation, the speed linear of the second transport surface is less than the speed circumference of the transfer member.
  • the invention also relates to an installation for the production of a condensed nonwoven, which installation comprises a card for producing at least one first nonwoven and a condensing device mentioned above.
  • the card and the device condensation are arranged such that said first nonwoven produced by the card is deposited at the exit of the card on the first transport surface of the condensing device.
  • FIG. 1 shows an installation conforming to a preferred embodiment of the invention, which allows the production of a condensed nonwoven, referenced W3 in FIG.
  • This installation includes a card 1 with two upper outputs and lower, and a device 2 which, with reference to FIG. forming the condensed nonwoven (W3) from a first nonwoven web (W1) from the upper outlet of the card 1, and a second sail nonwoven (W2) from the bottom outlet of the card 1.
  • Card 1 is a traditional and well-known card in the field of manufacturing nonwovens from fibers synthetic. For the sake of simplification, only the main elements of this card 1, necessary for the understanding of the invention, have have been represented, the other known elements of the card, and in particular the worker rollers on the periphery of the main drum, as well as the input device for feeding the main drum, have not represented.
  • this card 1 comprises a main drum 10. In the upper part and on the periphery of this main drum mounted a top doffer cylinder 11a, followed two condenser cylinders 12a and 13a and a detacher device 14a. The upper cylinder 11a, the two condenser cylinders 12a and 13a and the detaching device 14a form the upper outlet of the cards 1.
  • the doffer cylinder upper 11a recovers in its filling a portion of the fibers at the periphery of the main drum 10, and performs an operation of parallelization of the fibers.
  • the first cylinder condenser 12a is driven at a circumferential speed clearly less than the circumferential speed of the upper doffer 11a, so that condensation (or jamming) occurs parallel fibers from the doffer cylinder 11a, at their transfer in the lining of the condenser cylinder 12a.
  • the second condenser cylinder 13a is driven with a circumferential speed lower than that of the first cylinder condenser 12a, which makes it possible to increase the condensation of fibers.
  • a first condensed nonwoven (not shown in FIG. given initial weight, which depends on the respective speeds of the cylinders 11a, 12a, and 13a.
  • this first nonwoven is routed to the periphery of the second condenser cylinder 13a up detaching device 14a.
  • This detaching device 14a makes it possible remove the first non-woven from the top outlet of the card 1 on a conveyor belt (B), the upper strand of which forms a transport surface (S1), which is driven at a linear speed predetermined constant (V1).
  • V1 linear speed predetermined constant
  • this detacher device 14a has already been described in the application for EP-A-0704561, a publication to which the man of the profession may refer for a detailed understanding of the structure and operation of this detacher device.
  • this detacher device 14a includes a detaching cylinder 15a which has on its periphery an isosceles seal or equivalent, and whose function is to take back the first non-woven condensed at the periphery of the second condenser cylinder 14a.
  • the conveyor belt B is permeable to air, and the detaching device comprises a suction box 16a or any other means of equivalent suction, which in operation allows to press the first nonwoven against the surface of the conveyor belt B, at least in the transition zone between the detacher cylinder 15a and conveyor belt B.
  • the card 1 has a lower exit, which is identical from a structural point of view, at the top exit previously described.
  • This lower outlet consists of a doffer cylinder lower 11b, two successive condenser cylinders 12b and 13b and detacher device 14b, which allows to take back the nonwoven condensed at the periphery cylinder condenser 13b and depositing said nonwoven condensed on a conveyor belt B '.
  • Upper strand of the conveyor belt B ' forms a transport surface S2, and is driven with a predetermined constant linear velocity V2.
  • two parallel sails are thus produced in parallel nonwoven: the first nonwoven web W1 previously described, and a second non-woven sail, which comes from the lower exit of the carde 1 and which is referenced W2 in FIG.
  • the condenser device 2 of the invention comprises, in addition to two transport surfaces S1 and S2 previously described, an In the embodiment variant illustrated in FIGS. figures, this transfer member comprises a smooth rotary cylinder 21.
  • smooth cylinder is meant a cylinder having no trim on its periphery, as opposed to the other cylinders of the card 1, and in particular at the main drum 10, with the cylinders 11a, 11b and to the condenser cylinders 12a, 13a, 12b, and 13b.
  • the cylinder 21 is a perforated cylinder, inside of which is mounted a suction sector A.
  • This suction sector A is preferably adjustable, and in operation of the device, this suction area A, after being set in position, is fixed.
  • a tube 22 which once set in position is fixed when the cylinder 21 is driven in rotation, and which is provided with a slot longitudinal 23.
  • On the outer face of this tube 22 are fixed two walls 24 delimiting the suction sector A.
  • the inside of the tube 22 is put under vacuum, being connected by example to a fan, so that one creates in sector A a suction allowing the entry of a flow of air from the outside towards the inside of the cylinder 21, in a region limited to the sector suction A.
  • the cylinder 21 is mounted so as to be adjacent to the roller downstream end 25, used for training the band conveyor B. Also, this cylinder 21 is positioned so that that it is placed above and close to the surface of S2 transport.
  • the card 1 produces in parallel two condensed nonwovens W1 and W2 respectively on its upper and lower outputs.
  • the first nonwoven condensed W1 is from the upper outlet of the card 1, and is deposited on the transport surface S1 upstream of the cylinder of transfer 21;
  • the second non-woven W2 comes from the lower outlet of the card 1 and is deposited on the transport surface S2 upstream of the transfer cylinder 21 of the card 1.
  • These two nonwovens W1 and W2 are conveyed in parallel respectively by the surfaces of transport S1 and S2 to the transfer cylinder 21.
  • the cylinder 21 is rotated with a circumferential velocity (VT) [linear velocity of the external surface of the cylinder 21] which is equal to or slightly greater than the speed (V1) of the transport surface S1, so that the cylinder 21 takes up on its periphery the first condensed nonwoven W1, without destroy the structure of this nonwoven, and by subjecting it to a very low stretch, and routes it to the second transport surface S2.
  • VT circumferential velocity
  • V1 speed of the transport surface S1
  • the suction sector A of the cylinder 21 is positioned so that to allow maintenance, under the suction effect, of this first nonwoven against the surface of the cylinder 21, during its transfer between the first transport surface S1 and the second transport surface S2.
  • the linear velocity V2 of the second surface S2 transport is significantly lower than the circumferential speed (VT) of the cylinder 20 and thereby at the linear velocity of the first transport surface S1, so that it occurs mainly a condensation (or jamming) of the fibers of the first nonwoven W1, during its transfer between the cylinder 21 and the conveyor surface S2. More precisely, when the fibers of the nonwoven W1 arrive in the transition zone between the cylinder 21 and the transport surface S2, of the made of the lowest speed of this transport surface S2, said fibers are suddenly slowed down and accumulate in this area of transition.
  • VT circumferential speed
  • a condensed nonwoven W3 is thus obtained thicker, formed by layering the nonwoven lower W2 with fibers from nonwoven W1 and which have been strongly reoriented.
  • the weight of this nonwoven W3 is greater than the sum of the weights of the nonwoven W1 and W2.
  • the condensation device 2 comprises a suction box 26, or equivalent, which in operation allows to create across the S2 transport surface, at least in the area of transition between the cylinder 21 and the transport surface S2, a flow suction, which preferably extends over the entire width of this transport surface S2, which allows the fibers to be transported against the conveyor surface S2.
  • the weight of the nonwoven W3 obtained at the outlet of the device condenser 2 of FIG. 1 or 2 depends, of course, on the weight of the two nonwovens W1 and W2 from the upper and lower outlets of the card 1, but also and especially the speed differential between the transport surface S2 and the circumferential speed of the cylinder 21.
  • the circumferential speed of the upper doffer 11a was of the order of 230 m / minute; the circumferential speeds of the two condenser cylinders 12a and 13a were respectively of the order of 120 m / minute and 70 m / minute respectively.
  • the circumferential speed of the detaching cylinder 15a was of the order of 140 m / minute.
  • the linear velocity (V1) of the transport surface S1 was of the order of 145 m / minute.
  • the first nonwoven W1 (before recovery by the cylinder 21) had a weight of the order of 20 g / m 2 .
  • the lower dovetail 11b was driven at a circumferential speed of the order of 125 m / minute.
  • the two condenser cylinders 12b and 13b were respectively driven with circumferential speeds of 65 m / minute and 38 m / min.
  • the detaching cylinder 14b was driven with a circumferential speed of the order of 48 m / minute.
  • the transport surface S2 was driven with a linear speed V2 of the order of 50 m / minute.
  • the weight of the nonwoven W2 was of the order of 43 g / m 2 .
  • the transfer cylinder 20 was driven with a circumferential speed (VT) of the order of 150 m / minute, a ratio (VT / V2) of the supply of 3.
  • the weight of the nonwoven W3, at the outlet of the condensation device 2 was of the order of 103 g / m 2 .
  • the circumferential speed of the upper dovetail 11a was of the order of 246 m / minute; the circumferential speeds of the two condenser cylinders 12a and 13a were respectively of the order of 128 m / minute and 75 m / minute respectively.
  • the circumferential speed of the detaching cylinder 15a was of the order of 150 m / minute.
  • the linear velocity (V1) of the transport surface S1 was of the order of 155 m / minute.
  • the first nonwoven W1 (before recovery by the cylinder 21) had a weight of the order of 20 g / m 2 .
  • the lower doffer 11b was driven at a circumferential speed of the order of 100 m / minute.
  • the two condenser cylinders 12b and 13b were respectively driven with circumferential speeds of 52 m / minute and 30 m / min.
  • the detaching cylinder 14b was driven with a circumferential speed of the order of 38 m / minute.
  • the transport surface S2 was driven with a linear speed V2 of the order of 40 m / minute.
  • the weight of the nonwoven W2 was of the order of 50 g / m 2 .
  • the transfer cylinder 20 was driven with a circumferential speed (VT) of the order of 160 m / minute, a ratio (VT / V2) of the supply of 4.
  • the weight of the nonwoven W3, at the outlet of the condensation device 2 was of the order of 130 g / m 2 .
  • the circumferential speed of the upper doffer 11a was of the order of 161 m / minute; the circumferential speeds of the two condenser cylinders 12a and 13a were respectively of the order of 84 m / minute and 49 m / min.
  • the circumferential speed of the detaching cylinder 15a was of the order of 98 m / minute.
  • the linear velocity (V1) of the transport surface S1 was of the order of 101 m / minute.
  • the first nonwoven W1 (before recovery by the cylinder 21) had a weight of the order of 20 g / m 2 .
  • the lower dovetail 11b was driven at a circumferential speed of the order of 50 m / minute.
  • the two condenser cylinders 12b and 13b were respectively driven with circumferential speeds of 26 m / minute and 15 m / min.
  • the detaching cylinder 14b was driven with a circumferential speed of the order of 19 m / minute.
  • the transport surface S2 was driven with a linear speed V2 of the order of 20 m / minute.
  • the weight of the nonwoven W2 was of the order of 55 g / m 2 .
  • the transfer cylinder 20 was driven with a circumferential speed (VT) of the order of 105 m / minute, a ratio (VT / V2) of the offer of 5.25.
  • the weight of the nonwoven W3, at the outlet of the condensation device 2 was of the order of 160 g / m 2 .
  • the conveyor belt B can be replaced by any transport surface, and for example by a cylinder or a succession of cylinders. It is preferable that the transport surface S2 is flat, at least in the transition zone between the cylinder 21 and said transport surface. Nevertheless in another variant of embodiment of the invention, a transport surface could be used S2 curve.
  • the rotary transfer member 20 is not necessarily a cylinder but can be replaced by any means filling the same transfer function; it may include a roll driven by a carrying strap.
  • the organ of transfer 20 is suction. Indeed, by suppressing the suction (sector A), or with a weak suction, it was found in many cases that defects appeared quickly in the structure of the nonwoven product. In practice, the flow will be regulated of air drawn into sector A by increasing it until the disappearance of defects in the structure of the nonwoven.
  • the invention is not limited to the formation of a nonwoven to from two sails. They can advantageously be used also to realize a nonwoven condensed from a single nonwoven W1. In this case, the transport surface S2 does not carry no sail upstream of the transfer cylinder 21.
  • suction box 26 implemented at the level of the transition zone between the transfer member 20 and the surface of S2 transport is optional, especially in the case of a single non-woven W1. This suction improves the blocking one by compared to the other of the two nonwoven sails W1 and W2 during their overlay.
  • the invention is not limited to the production of a nonwoven condensed W3 of higher weight from a single non-woven (W1), or several (W1, W2) nonwoven condensed.
  • the veil non-woven W1 could be a parallel veil derived directly from a cylinder, and not having been previously condensed by condenser cylinders. It is the same with the veil W2.
  • the invention is mainly of interest in the production of heavy nonwovens (weight greater than 80 g / m 2 ), because it allows high speed ratios between the transport surface (S 2) and the transfer member 20, and thereby obtaining significant condensation rates, without affecting the quality of the nonwoven product.
  • the ratio (VT / V2) between the circumferential speed (VT) of the rotary transfer member and the linear speed (V2) of the second transport surface (S2 ) is greater than 2, and preferably greater than or equal to 3. This speed ratio is fixed case by case according to the desired condensation rate.

Claims (11)

  1. Verfahren zur Herstellung eines verdichteten Vlieses (W3), wobei mindestens ein Vlies (W1) mit Hilfe einer Karde (1) hergestellt wird, dadurch gekennzeichnet, daß das erste Vlies (W1), das aus der Karde kommt, mit Hilfe einer ersten Transportoberfläche (S1) bis zu einem drehbaren Transferelement (20) befördert wird, das erste Vlies (W1) mit Hilfe des Transferelementes (20) auf eine zweite Transportoberfläche (S2) übertragen wird, wobei die zweite Transportoberfläche (S2) mit einer linearen Geschwindigkeit (V2) angetrieben wird, die geringer als die Umfangsgeschwindigkeit (VT) des Transferelementes (20) ist, die wiederum selbst gleich oder etwas höher als die lineare Geschwindigkeit (V1) der ersten Transportoberfläche (S1) ist.
  2. Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß in dem Transferbereich zwischen den zwei Transportoberflächen (S1) und (S2) das erste Vlies (W1) durch Ansaugen gegen die Oberfläche des Transferelementes (20) gehalten wird.
  3. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß das Verhältnis (VT/V2) zwischen der Umfangsgeschwindigkeit (VT) des drehbaren Transferelementes und der linearen Geschwindigkeit (V2) der zweiten Transportoberfläche (S2) größer 2 und vorzugsweise größer oder gleich 3 ist.
  4. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß ein Ansaugen durch die zweite Transportoberfläche (S) mindestens in dem Übergangsbereich zwischen dem Transferelement (20) und der zweiten Transportoberfläche (S2) erzeugt wird.
  5. Vorrichtung zum Verdichten eines Vlieses, welche eine erste (S1) und eine zweite (S2) Transportoberfläche umfaßt, dadurch gekennzeichnet, daß sie ferner ein drehbares Transferelement (20) umfaßt, welches im Betrieb ermöglicht, ein Vlies (W1) von der ersten (S1) zur zweiten (S2) Transportoberfläche zu übertragen, und dadurch, daß im Betrieb die lineare Geschwindigkeit (V2) der zweiten Transportoberfläche (S2) geringer als die Umfangsgeschwindigkeit (VT) des Transferelementes (20) ist, welche wiederum gleich oder etwas höher als die lineare Geschwindigkeit (V1) der ersten Transportoberfläche (S1) ist.
  6. Vorrichtung nach Anspruch 5, dadurch gekennzeichnet, daß das Verhältnis (VTN2) zwischen der Umfangsgeschwindigkeit (VT) des drehbaren Transferelementes (20) und der linearen Geschwindigkeit (V2) der zweiten Transportoberfläche (S2) derart geregelt ist, daß es größer 2 und vorzugsweise größer oder gleich 3 ist.
  7. Vorrichtung nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß das Transferelement (20) mit Ansaugmitteln (22, 24) versehen ist, welche es ermöglichen, das Vlies (W1) durch Ansaugen gegen die Oberfläche des Transferelementes zu drücken.
  8. Vorrichtung nach Anspruch 7, dadurch gekennzeichnet, daß das Transferelement (20) einen perforierten Zylinder (21) umfaßt.
  9. Vorrichtung nach einem der Ansprüche 5 bis 8, dadurch gekennzeichnet, daß sie Ansaugmittel (26) umfaßt, welche es ermöglichen, ein Ansaugen durch die zweite Transportoberfläche (S2) mindestens im Übergangsbereich zwischen dem Transferorgan (20) und der zweiten Transportoberfläche (S2) zu schaffen.
  10. Installation zur Herstellung eines verdichteten Vlieses (W3), dadurch gekennzeichnet, daß sie eine Karde (1), welche es ermöglicht, mindestens ein erstes Vlies (W1) zu erzeugen, und eine Verdichtungsvorrichtung (2) gemäß einem der Ansprüche 5 bis 9 umfaßt, und dadurch, daß die Karde (1) und die Verdichtungsvorrichtung (2) derart angeordnet sind, daß das erste Vlies (W1), das von der Karde erzeugt wird, am Kardenausgang auf der ersten Transportoberfläche (S1) der Kondensationsvorrichtung (2) abgelegt wird.
  11. Installation nach Anspruch 10, dadurch gekennzeichnet, daß die Karde (1) mindestens einen zweiten Ausgang für die Herstellung eines zweiten Vlieses (W2) umfaßt, und dadurch, daß die Karde (1) und die Kondensationsvorrichtung (2) derart angeordnet sind, daß das zweite Vlies (W2), das durch die Karde erzeugt wird, am Kardenausgang auf der zweiten Transportoberfläche (S2) der Kondensationsvorrichtung (2) stromaufwärts vom Transferelement (20) der Kondensationsvorrichtung (2) abgelegt wird.
EP02370035A 2001-10-03 2002-09-09 Verfahren und Anlage zur Herstellung eines verdichteten Vliesstoffes und Vorrichtung zur Verdichtung eines Vliesstoffes Expired - Lifetime EP1300492B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0112716A FR2830263B1 (fr) 2001-10-03 2001-10-03 Procede et installation pour la production d'un non-tisse condense, et dispositif de condensation d'un non-tisse
FR0112716 2001-10-03

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EP1300492A1 EP1300492A1 (de) 2003-04-09
EP1300492B1 true EP1300492B1 (de) 2005-05-11

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US (1) US6732412B2 (de)
EP (1) EP1300492B1 (de)
AT (1) ATE295436T1 (de)
DE (1) DE60204095T2 (de)
ES (1) ES2240675T3 (de)
FR (1) FR2830263B1 (de)
IL (1) IL152031A0 (de)

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FR3059344B1 (fr) * 2016-11-25 2019-11-22 Andritz Asselin Thibeau Dispositif d'etirage d'un voile dispose entre un dispositif de carde et un etaleur nappeur
DE102017118111A1 (de) * 2017-08-09 2019-02-14 TRüTZSCHLER GMBH & CO. KG Karde
WO2020144084A1 (fr) 2019-01-08 2020-07-16 Andritz Perfojet Sas Installation et procede de production de non-tisses
DE102019005550A1 (de) * 2019-08-07 2021-02-11 Hubert Hergeth Saugwinkel

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US4943351A (en) * 1988-05-23 1990-07-24 Beloit Corporation Transfer apparatus and method
DE3823683A1 (de) * 1988-07-13 1990-01-18 Hollingsworth Gmbh Verfahren und vorrichtung zum zusammenfuehren von vliesen oder floren aus fasern, insbesondere textilfasern
IT1248587B (it) * 1991-06-28 1995-01-19 Nicola Napolitano Macchina cardatrice a tamburi,in particolare per la preparazione di tessuti non tessuti e nastri in fibre naturali od artificiali.
FR2725216B1 (fr) * 1994-09-30 1996-12-20 Thibeau Et Cie A Dispositif pour detacher et transporter a grande vitesse un voile fibreux en sortie de carde
FR2732042B1 (fr) * 1995-03-22 1997-06-13 Thibeau & Cie Sa A Cylindre aspirant permettant le transfert d'un voile fibreux entre un tapis de transport et deux cylindres de calandrage
DE19521778A1 (de) * 1995-06-20 1997-01-02 Hollingsworth Gmbh Vlieskrempel, sowie Verfahren zur Vliesherstellung
DK172260B1 (da) * 1996-12-20 1998-02-09 M & J Fibretech Anlæg til fremstilling af nonwoven fiberprodukt .
FR2777575B1 (fr) * 1998-04-17 2000-07-07 Thibeau Procede et installation pour la formation d'un voile fibreux par voie aeraulique
IT1307247B1 (it) * 1999-04-20 2001-10-30 Fonderie Officine Riunite F O Carda, particolarmente per la preparazione di veli per tessuti nontessuti.

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FR2830263A1 (fr) 2003-04-04
US20030061686A1 (en) 2003-04-03
EP1300492A1 (de) 2003-04-09
ATE295436T1 (de) 2005-05-15
FR2830263B1 (fr) 2004-08-06
IL152031A0 (en) 2003-05-29
ES2240675T3 (es) 2005-10-16
DE60204095D1 (de) 2005-06-16
DE60204095T2 (de) 2006-01-26
US6732412B2 (en) 2004-05-11

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