EP1686205B1 - Vlieslegervorrichtung für kardierte Faserbahnen und Verfahren zum Vlieslegen - Google Patents

Vlieslegervorrichtung für kardierte Faserbahnen und Verfahren zum Vlieslegen Download PDF

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EP1686205B1
EP1686205B1 EP05106993A EP05106993A EP1686205B1 EP 1686205 B1 EP1686205 B1 EP 1686205B1 EP 05106993 A EP05106993 A EP 05106993A EP 05106993 A EP05106993 A EP 05106993A EP 1686205 B1 EP1686205 B1 EP 1686205B1
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Prior art keywords
retriever
carriage
distributor
cylinder
conveyor belt
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EP05106993A
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English (en)
French (fr)
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EP1686205A1 (de
Inventor
Paolo Olivo
Vani Olivo
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Texnology Srl
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Studio Tex-Nology Srl
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Priority to PL05106993T priority Critical patent/PL1686205T3/pl
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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
    • 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

  • the present invention relates to a layering unit for carded webs delivered by a feed unit and to a method for layering said carded webs by means of said layering unit.
  • nonwovens It is common knowledge that the process for obtaining sheets of nonwoven textiles, generally known simply as nonwovens, consists in placing a web of carded fibers in several overlapping layers in order to obtain a multilayer of the required thickness, which is subsequently bonded together by means of a needle punching procedure or other suitable methods.
  • a first problem consists in the fact that it is difficult to obtain a uniform thickness because the depositing movement needs to be done at a constant speed and this is not easy to achieve because the layering is done using a reciprocating motion.
  • Another difficulty stems from the intrinsically fragile nature of the web, which is easily damaged, especially as a result of the air turbulence induced by the rate of displacement of the layering unit's moving parts.
  • horizontal layering machines have been developed, such as the one described in the Patent IT1213836 , which has two conveyor belts wrapped around revolving cylinders, and where at least two carriages can be identified, i.e. a main retriever carriage and a distributor carriage.
  • Another drawback stems from the need to add a pair of separator belts between the layering unit and the layered web in order to protect the latter from the further turbulence generated by the operation of the layering unit.
  • layering units such as the one described in the Patent application WO 00/56960 , which comprises a distributor carriage and three retriever carriages, two of which are situated underneath the layering unit.
  • a second drawback again due to the high working speed, lies in that it is impossible to reduce the ruptures in the carded web to lower levels than those obtainable using layering devices of the previously-described type.
  • a third drawback ties in that the layering unit demands a kinematically complex architecture and is consequently costly to manufacture in mechanical terms.
  • Another kind of layering unit which is disclosed in the European Patent application no. EP 0 860 531 , is provided with a distributor carriage and with two retriever carriages not aligned with each other that, in some instants, have opposed movements, thus resulting complex to be manufactured.
  • the object of the present invention is to overcome all the above-listed drawbacks typical of the machines denying from the known state of the art.
  • the first object of the present invention is to produce a unit for layering carded webs that enables high rates of production white nonetheless retaining a lesser complexity of construction than the layering devices belonging to the known state of the art.
  • Another object of the invention is to produce a unit for layering carded webs that, by comparison with equivalent layering units deriving from the known state of the art, features fewer strains in its component parts.
  • a further object of the invention is to produce a unit for layering carded webs that enables the use of structural parts (e.g. the revolving cylinders) made of conventional materials.
  • Yet another object of the present invention is to produce a unit for layering carded webs that protects the web from the turbulence generated by the layering unit's kinematics without the need to add separator belts or partitions between the web and the machine.
  • the layering unit of the invention has at least a part of the first conveyor belt lying between the distributor carriage and the first retriever carriage and at least a part of the second conveyor belt lying between the distributor carriage and the second retriever carriage, said sections of belt moving in directions substantially coinciding with each other and parallel to the stacking table.
  • the previously-mentioned objects are also achieved by a method for layering carded webs delivered by a feed unit in a layering, unit.
  • the sections of the first and second conveyor belts coming between said carriages and the distributor carriage will always be of limited length, and always shorter than in equivalent layering machines made according to the known state of the art.
  • Another advantage lies in that, because these sections of belt are always of limited length, they run no risk of sagging onto the layered web, which can sometimes damage the end product.
  • a further advantage lies in that the movement of the retriever carriages and distributor carriage in the same direction and in the same sense enables the cylinders to turn at lower angular velocities and angular accelerations, and consequently with a lower inertia - for the same production rate - than in layering machines made according to the known state of the art.
  • Yet another advantage lies in the straightforward kinematics of the layering unit according to the invention, which means a less complex construction than for layering units made according to the known state of the art and, as a consequence, a lower cost of manufacture and a greater reliability.
  • the unit for layering carded webs V delivered by a feed unit, forming the object of the present invention is schematically illustrated in fig. 1, where it is globally indicated by the numeral 1.
  • the unit comprises a first conveyor belt 2 and a second conveyor belt 3, that are each arranged so as to turn a closed loop and with at least a part of one belt coming over and under the other so as to form a substantially "U" shaped section 4 .
  • the shaped section 4 creates a channel 5 for guiding the web V , complete with an inlet 6 and an outlet 7.
  • the conveyor belts 2, 3 are wound around a plurality of revolving cylinders 8 that ensure their forward feed and tensioning.
  • a stacking table 9 is provided underneath the conveyor belts 2, 3, for collecting the web V, arranged in layers F .
  • first retriever carriage 10 a second retriever carriage 13 and a distributor carriage 15.
  • the first retriever carriage 10 includes a structure supporting a first retriever cylinder 11 for the first conveyor belt 2 and the second conveyor belt 3, coinciding with the bottom 4a of the U-shaped section 4, and a pair of second retriever cylinders 12 for the first conveyor belt 2.
  • the second retriever carriage 13 comprises a structure supporting a retriever cylinder 14 for the second conveyor belt 3.
  • the distributor carriage 15 includes a structure supporting a first winding distributor cylinder 16 for the first conveyor belt 2 and a pair of second winding distributor cylinders 17 for the second conveyor belt 3, said first and second distributor cylinders 16, 17 forming the outlet 7 from the web-guiding channel 5 .
  • the distributor carriage 15 is situated in between the retriever carriages 10, 13.
  • the retriever carriages 10, 13 and the distributor carriage 15 move along a path X parallel to the stacking table 9 and, when in motion, said retriever carriages 10, 13 always move in the same direction as the distributor carriage 15.
  • the first conveyor belt 2 has a section 20 coming between the distributor carriage 15 and the first retriever carriage 10; to be more precise, as shown in fig. 1, said section 20 comes between the first distributor cylinder 16 in the distributor carriage 15 and the pair of second retriever cylinders 12 in the first retriever carriage 10.
  • the second conveyor belt 3 has a section 21 coming between the distributor carriage 15 and the second retriever carriage 13; to be more precise, said section 21 comes between the pair of second distributor cylinders 17 forming part of the distributor carriage 15 and the retriever cylinder 14 forming part of the second retriever carriage 13.
  • Said sections 20, 21 of the first conveyor belt 2 and second conveyor belt 3 follow a path Y parallel to the stacking table 9 and form a surface that separates the inside of the layering unit 1 from the web V arranged in layers F.
  • Fig. 1 also shows that the web-guiding channel 5 has a section 22 following a path Z leading to the stacking table 9 containing the layered web V.
  • Said section 22 slopes downwards and is needed to bring the web V from the feed area 18 to the distributor carriage 15.
  • the first retriever carriage 110 comprises a first retriever half-carriage 130, that includes the first retriever cylinder 111, and a second retriever half-carriage 131 that includes the pair of second retriever cylinders 112.
  • the section 120 of the first conveyor belt 102 comes between the distributor carriage 115 and the second retriever carriage 131, the latter being positioned alongside the first half-carriage 130 on the side opposite the distributor carriage 115.
  • the carded web V, delivered by the feed unit is laid on the second conveyor belt 3, which, in moving forward, carries the web inside the guiding channel 5 through the inlet 6.
  • the web V is protected by the first conveyor belt 2 extending above it.
  • the web V covers the descending section 22 of the guiding channel 5 , reversing the direction in which it travels when it reaches the bottom 4a of the U-shaped section 4 and finally coming up to the distributor carriage 15, from where it exits in a vertical direction, through the outlet 7, to become arranged in layers F on the stacking table 9.
  • the sequence of figures from 3a to 3c shows a succession of moments in the working cycle of the layering unit 1 according to the invention, specifically showing that the first retriever carriage 10 and the second retriever carriage 13 move along the same path X and in the same direction due to the movement of the distributor carriage 15.
  • Said movement in the same direction of the retriever carriages 10, 13 and of the distributor carriage 15 offers the advantage that the acceleration of the cylinders, when they change direction in the normal layering procedure, is lower than in equivalent layering machines made according to the known state of the art, wherein the retriever carriages are either fixed or they have a reciprocating motion with respect to the distributor carriage.
  • retriever carriages 10, 13 are distinctive in that they have the same rate of displacement, so that the distance between them remains constant.
  • the mobility of the first retriever carriage 10 also means that the descending section 22 of the web-guiding channel 5 has a gradient that varies with the movement of the first retriever carriage 10 and is always less than the gradient of the corresponding descending section of similar layering machines made according to the known state of the art.
  • the descending section of the layering unit according to the present invention carries a lower risk of damaging the web than the corresponding descending sections of known layering units.
  • the distributor carriage 115 and the second retriever half-carriage 131 are still decelerating, the latter with a more accentuated deceleration than the distributor carriage 115.
  • the distributor carriage 115 accelerates less than the second retriever carriage 113 or the first retriever half-carriage 130.
  • the second retriever half-carriage 131 together with the distributor carriage 115, performs a relative movement, with respect to the first retriever half-carriage 130 and to the second retriever carriage 113, that creates a sort of magazine for the conveyor belts 102, 103 and for the web V .
  • said kinematic devices are eliminated in the embodiment described herein by dividing the first retriever carriage 110 into two retriever half-carriages 130, 131 so as to create the aforesaid magazine.
  • the section 140 of the web-guiding channel 105 is extended by a length L1-L2, thus taking up the extra web.
  • the distributor carriage 115 and the second retriever half-carriage 131 move on again, while the second retriever carriage 113 and the first retriever half-carriage 130 are still not moving, the distributor carriage 115 accelerates less than the second retriever half-carriage 131.
  • the second retriever half-carriage 131 together with the distributor carriage 115, performs a relative movement, with respect to the first retriever half-carriage 130 and to the second retriever carriage 113, that again creates a sort of magazine for the conveyor belts 102, 103 and for the web V.
  • the unit for layering carded web according the present invention achieves all the established objects.
  • the unit for layering carded webs according to the present invention achieves the object of enabling a high rate of production while retaining a low rate of rotation of the cylinders forming part of said carriages.
  • the invention achieves the object of ensuring that cylinders made of steel or other standard materials can be installed in the layering unit, which is not the case of layering units of known type, because of the high speeds involved.
  • the unit for layering carded webs according to the present invention also achieves the object of being particularly reliable, thanks to its global structural simplicity.
  • the unit for layering carded webs according to the present invention achieves the object of enabling high processing speeds while nonetheless retaining a lesser complexity of construction than layering machines made according to the known state of the art.
  • the unit for layering carded webs according to the present invention also achieves the object of not submitting any of its components to severe stresses and thereby causing their failure.
  • the unit for layering carded webs achieves the object of protecting the web from the turbulence generated by the kinematics of the layering unit without the need to add separator belts or partitions between the web and the machine.
  • the unit for layering carded webs according to the present invention may be modified and further embodiments may be developed that will still be protected by the present patent, provided that they come within the concept of the present invention as defined by the claims, even if they are not illustrated in the drawings or described herein.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Nonwoven Fabrics (AREA)

Claims (14)

  1. Schichtlegeeinheit (1; 100) für kardierte Gewebsbahnen (V), die von einer Vorschubeinheit zugeführt werden, umfassend:
    - zumindest einen ersten Fördergurt (2; 102) und zumindest einen zweiten Fördergurt (3; 103), die jeweils so angeordnet sind, dass sie in einer geschlossenen Schleife umlaufen, wobei zumindest ein Teil eines Gurts unterhalb und oberhalb des anderen verläuft, um im Wesentlichen eine U-Form (4; 104) zu formen und dadurch einen Kanal (5; 105) zum Führen der Gewebsbahn (V) mit einem Eingang (6; 106) und einem Ausgang (7; 107) auszubilden;
    - eine Vielzahl an rotierenden Zylindern (8; 108), um welche die Fördergurte (2, 3; 102; 103) herumgelegt sind und die dazu geeignet sind, den Vorschub und die Spannung dieser zu gewährleisten;
    - einen Stapeltisch (9; 109), der unterhalb der Fördergurte (2, 3; 102, 103) angeordnet ist und dazu geeignet ist, die in Schichten (F) angeordnete Gewebsbahn (V) aufzunehmen;
    - zumindest einen ersten Rückführungsschlitten (10; 110), umfassend eine Struktur, die zumindest einen ersten Rückführungszylinder (11; 111) für den ersten und den zweiten Fördergurt (2, 3; 102, 103) in Übereinstimmung mit der Sohle (4a; 104a) des U-förmigen Abschnitts (4; 104) sowie zumindest einen zweiten Rückführungszylinder (12; 112) für den ersten Fördergurt (2; 102) trägt;
    - zumindest einen zweiten Rückführungsschlitten (13; 113), umfassend eine Struktur, die zumindest einen Rückführungszylinder (14; 114) für den zweiten Fördergurt (3; 103) trägt;
    - zumindest einen Verteilerschlitten (15; 115), umfassend eine Struktur, die zumindest einen ersten Abroll-Verteilerzylinder (16; 116) für den ersten Fördergurt (2; 102) und zumindest einen zweiten Abroll-Verteilerzylinder (17; 117) für den zweiten Fördergurt (3; 103) trägt, wobei der erste und der zweite Verteilerzylinder (16, 17; 116, 117) den Ausgang (7; 107) aus dem Gewebsbahn-Führungskanal (5; 105) bilden,
    dadurch gekennzeichnet, dass der Verteilerschlitten (15; 115) zwischen dem zumindest einen ersten Rückführungsschlitten (10; 110) und dem zumindest einen zweiten Rückführungsschlitten (13; 113) angeordnet ist, wobei sich die Rückführungsschlitten (10, 13; 110, 113) und der Verteilerschlitten (15; 115) entlang einem parallel zum Stapeltisch (9; 109) verlaufenden Pfad (X) bewegen, wobei sich die Rückführungsschlitten (10, 13; 110, 113) immer in dieselbe Richtung wie der Verteilerschlitten (15; 115) bewegen.
  2. Schichtlegeeinheit (1; 100) nach Anspruch 1), dadurch gekennzeichnet, dass diese eine Vielzahl an Motoren aufweist, die zum Antrieb der Rückführungsschlitten (10, 13; 110, 113) und des Verteilerschlittens (15; 115) entlang dem Pfad (X) geeignet sind.
  3. Schichtlegeeinheit (1) nach Anspruch 1), dadurch gekennzeichnet, dass zwischen dem ersten Rückführungszylinder (11), der einen Teil des ersten Rückführungsschlittens (10) bildet, und dem Rückführungszylinder (14), der einen Teil des zweiten Rückführungsschlittens (13) bildet, ein konstanter Abstand vorliegt.
  4. Schichtlegeeinheit (1) nach Anspruch 1), dadurch gekennzeichnet, dass der erste Fördergurt (2) zumindest einen Abschnitt (20) aufweist, der zwischen dem Verteilerschlitten (15) und dem ersten Rückführungsschlitten (10) liegt, und dass der zweite Fördergurt (3) zumindest einen Abschnitt (21) aufweist, der zwischen dem Verteilerschlitten (15) und den zweiten Rückführungsschlitten (13) liegt.
  5. Schichtlegeeinheit (100) nach Anspruch 1), dadurch gekennzeichnet, dass der erste Rückführungsschlitten (110) aus einem ersten Rückführungs-Halbschlitten (130), der zumindest den ersten Rückführungszylinder (111) umfasst, und einem zweiten Rückführungs-Halbschlitten (131), der zumindest den zweiten Rückführungszylinder (112) umfasst, besteht.
  6. Schichtlegeeinheit (100) nach Anspruch 5), dadurch gekennzeichnet, dass der erste und der zweite Rückführungs-Halbschlitten (130, 131) nebeneinander platziert sind, wobei der erste Rückführungs-Halbschlitten (130) zwischen dem zweiten Rückführungs-Halbschlitten (131) und dem Verteilerschlitten (115) angeordnet ist.
  7. Schichtlegeeinheit (100) nach Anspruch 5), dadurch gekennzeichnet, dass der erste Fördergurt (102) zumindest einen Abschnitt (120) aufweist, der zwischen dem Verteilerschlitten (115) und dem zweiten Rückführungs-Halbschlitten (131) liegt, und dass der zweite Fördergurt (103) zumindest einen Abschnitt (121) aufweist, der zwischen dem Verteilerschlitten (115) und dem zweiten Rückführungsschlitten (113) liegt.
  8. Schichtlegeeinheit (1; 100) nach Anspruch 4) oder 7), dadurch gekennzeichnet, dass die Abschnitte (20, 21; 120, 121) des ersten Fördergurts (2; 102) und des zweiten Fördergurts (3; 103) Pfaden (Y) folgen, die im Wesentlichen parallel zum Stapeltisch (9; 109) verlaufen.
  9. Schichtlegeeinheit (1; 100) nach Anspruch 1), dadurch gekennzeichnet, dass der Gewebsbahn-Führungskanal (5; 105) zumindest einen Abschnitt (22; 122) auf einem Pfad (Z) aufweist, der zum Stapeltisch (9) weist.
  10. Verfahren zum Schichten von kardierten Gewebsbahnen (V), die von einer Vorschubeinheit zu einer Schichtlegeeinheit (1; 100) zugeführt werden, die Folgendes umfasst:
    - zumindest einen ersten Fördergurt (2; 102) und zumindest einen zweiten Fördergurt (3; 103), die jeweils so angeordnet sind, dass sie in einer geschlossenen Schleife umlaufen, wobei zumindest ein Teil eines Gurts unterhalb und oberhalb des anderen verläuft, um im Wesentlichen eine U-Form (4; 104) zu formen und dadurch einen Kanal (5; 105) zum Führen der Gewebsbahn (V) mit einem Eingang (6; 106) und einem Ausgang (7; 107) auszubilden;
    - eine Vielzahl an rotierenden Zylindern (8; 108), um welche die Fördergurte (2, 3; 102, 103) herumgelegt sind und die dazu geeignet sind, den Vorschub und die Spannung dieser zu gewährleisten;
    - einen Stapeltisch (9; 109), der unterhalb der Fördergurte (2, 3; 102, 103) angeordnet ist und dazu geeignet ist, die in Schichten (F) angeordnete Gewebsbahn (V) aufzunehmen;
    - zumindest einen ersten Rückführungsschlitten (10; 110), umfassend eine Struktur, die zumindest einen ersten Rückführungszylinder (11; 111) für den ersten und den zweiten Fördergurt (2, 3; 102; 103) in Übereinstimmung mit der Sohle (4a; 104a) des U-förmigen Abschnitts (4; 104) sowie zumindest einen zweiten Rückführungszylinder (12; 112) für den ersten Fördergurt (2; 102) trägt;
    - zumindest einen zweiten Rückführungsschlitten (13; 113), umfassend eine Struktur, die zumindest einen Rückführungszylinder (14; 114) für den zweiten Fördergurt (3; 103) trägt;
    - zumindest einen Verteilerschlitten (15; 115), umfassend eine Struktur, die zumindest einen ersten Rollverteilerzylinder (16; 116) für den ersten Fördergurt (2; 102) und zumindest einen zweiten Rollverteilerzylinder (17; 117) für den zweiten Fördergurt (3; 103) trägt, wobei der erste und der zweite Verteilerzylinder (16, 17; 116, 117) den Ausgang (7; 107) aus dem Gewebsbahn-Führungskanal (5; 105) bilden,
    dadurch gekennzeichnet, dass die Rückführungsschlitten (10, 13; 110, 113) und der Verteilerschlitten (15; 115) sich entlang einem parallel zum Stapeltisch (9; 109) verlaufenden Pfad (X) und immer in dieselbe Richtung bewegen, wobei der Verteilerschlitten (15; 115) zwischen dem zumindest einen ersten Rückführungsschlitten (10; 110) und dem zumindest einen zweiten Rückführungsschlitten (13; 113) angeordnet ist.
  11. Verfahren nach Anspruch 10), dadurch gekennzeichnet, dass die Änderungen der Geschwindigkeit des ersten Rückführungszylinders (11; 111) im ersten Rückführungsschlitten (10; 110) entlang dem Pfad (X) immer den Änderungen der Geschwindigkeit des Rückführungszylinders (14; 114) im zweiten Rückführungsschlitten (13; 113) entlang dem Pfad (X) entsprechen.
  12. Verfahren nach Anspruch 10), dadurch gekennzeichnet, dass die Änderungen der Geschwindigkeit des ersten Rückführungszylinders (11; 111) im ersten Rückführungsschlitten (10; 110) und des Rückführungszylinders (14; 114) im zweiten Rückführungsschlitten (13; 113) entlang dem Pfad (X) größer als die Änderungen der Geschwindigkeit des Verteilerschlittens (15; 115) entlang dem Pfad (X) sind, wenn der zweite Rückführungszylinder (12; 112) im ersten Rückführungsschlitten (10; 110) auf seinem Weg entlang dem Pfad (X) stoppt.
  13. Verfahren nach Anspruch 10), dadurch gekennzeichnet, dass die Änderungen der Geschwindigkeit des zweiten Rückführungszylinders (12; 112) im ersten Rückführungsschlitten (10; 110) entlang dem Pfad (X) größer als die Änderungen der Geschwindigkeit des Verteilerschlittens (15; 115) entlang dem Pfad (X) sind, wenn der erste Rückführungszylinder (11; 111) im ersten Rückführungsschlitten (10; 110) und der Rückführungszylinder (14; 114) im zweiten Rückführungsschlitten (13; 113) auf ihrem Weg entlang dem Pfad (X) stoppen.
  14. Verfahren nach Anspruch 10), dadurch gekennzeichnet, dass der Gradient von zumindest einem Abschnitt (22; 122) des Gewebsbahn-Führungskanals (5; 105) über die Zeit variabel ist, wobei sich der Abschnitt (22; 122) in einem Pfad (Z) bewegt, die im Wesentlichen zum Stapeltisch (9; 109) führt.
EP05106993A 2005-04-04 2005-07-28 Vlieslegervorrichtung für kardierte Faserbahnen und Verfahren zum Vlieslegen Not-in-force EP1686205B1 (de)

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Application Number Priority Date Filing Date Title
PL05106993T PL1686205T3 (pl) 2005-04-04 2005-07-28 Urządzenie układające warstwy zgrzebnej tkaniny oraz sposób układania warstw zgrzebnej tkaniny za pomocą tego urządzenia układającego warstwy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000096A ITVI20050096A1 (it) 2005-04-04 2005-04-04 Faldatore per veli di carda e metodo di faldatura di detti veli realizzato con detto faldatore

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EP1686205A1 EP1686205A1 (de) 2006-08-02
EP1686205B1 true EP1686205B1 (de) 2007-07-18

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EP (1) EP1686205B1 (de)
AT (1) ATE367463T1 (de)
DE (1) DE602005001687T2 (de)
ES (1) ES2290854T3 (de)
IT (1) ITVI20050096A1 (de)
PL (1) PL1686205T3 (de)

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FR3063741A1 (fr) 2017-03-09 2018-09-14 Andritz Asselin Thibeau Etaleur nappeur
IT201900008706A1 (it) 2019-06-12 2020-12-12 Mirco Battistella Faldatore per veli di carda
IT202000027170A1 (it) 2020-11-12 2022-05-12 Motion Eng S R L Faldatore per veli di carda e relativo metodo per faldare

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Publication number Priority date Publication date Assignee Title
FR2234395B1 (de) * 1973-06-19 1976-09-17 Asselin Robert
IT1213836B (it) 1987-10-13 1990-01-05 Automatex Srl Faldatore di velo per carda
DE4304988C1 (de) * 1993-02-18 1994-04-07 Autefa Maschinenfab Verfahren und Vorrichtung zur Herstellung eines Vlieses mit veränderlicher Dicke
DE19543623A1 (de) * 1995-11-23 1997-05-28 Hergeth Hollingsworth Gmbh I K Florleger, sowie Verfahren zum Herstellen eines Vlieses
IT1291420B1 (it) * 1997-02-19 1999-01-11 Vani Olivo Macchina per l'accoppiamento incrociato di veli di fibre cardate non tessute con nastro di deposizione rotante
DE29822462U1 (de) * 1998-12-18 2000-05-18 Autefa Maschinenfab Vliesleger
FR2791364B1 (fr) 1999-03-23 2001-06-08 Asselin Etaleur-nappeur
DE29909016U1 (de) * 1999-05-26 2000-10-05 Autefa Maschinenfab Vliesanlage

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PL1686205T3 (pl) 2007-12-31
ES2290854T3 (es) 2008-02-16
EP1686205A1 (de) 2006-08-02
DE602005001687D1 (de) 2007-08-30
ITVI20050096A1 (it) 2006-10-05
ATE367463T1 (de) 2007-08-15

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