EP2417290B1 - Dispositif pour consolider une nappe de fibres - Google Patents

Dispositif pour consolider une nappe de fibres Download PDF

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Publication number
EP2417290B1
EP2417290B1 EP10718044A EP10718044A EP2417290B1 EP 2417290 B1 EP2417290 B1 EP 2417290B1 EP 10718044 A EP10718044 A EP 10718044A EP 10718044 A EP10718044 A EP 10718044A EP 2417290 B1 EP2417290 B1 EP 2417290B1
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EP
European Patent Office
Prior art keywords
belt
belts
compacting
region
material web
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.)
Active
Application number
EP10718044A
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German (de)
English (en)
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EP2417290A1 (fr
Inventor
Ullrich MÜNSTERMANN
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.)
Truetzschler Nonwovens GmbH
Original Assignee
Truetzschler Nonwovens GmbH
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
Priority claimed from DE200910016996 external-priority patent/DE102009016996A1/de
Priority claimed from DE102009017729A external-priority patent/DE102009017729A1/de
Application filed by Truetzschler Nonwovens GmbH filed Critical Truetzschler Nonwovens GmbH
Priority to PL10718044T priority Critical patent/PL2417290T3/pl
Publication of EP2417290A1 publication Critical patent/EP2417290A1/fr
Application granted granted Critical
Publication of EP2417290B1 publication Critical patent/EP2417290B1/fr
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Classifications

    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/48—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation
    • D04H1/49—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres in combination with at least one other method of consolidation entanglement by fluid jet in combination with another consolidation means
    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
    • 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
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • 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
    • D04H3/08—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
    • D04H3/105—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 needling
    • 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
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C21/00—Shrinking by compressing
    • D06C21/005—Compacting belts

Definitions

  • the invention relates to a device for solidifying a fibrous web according to the preamble of claim 1.
  • the device of this type has the advantage that the pre-fleece, the voluminous leading fiber web, between the two endless belts is slowly increasingly compressed with uniform pressure from above and below without shearing and only when it is held firmly between the two endless belts to the needling drum is wetted.
  • This known device is characterized in particular by an equal on the drum generated intensive wetting. Furthermore, after removal of the second endless belt on the drum directly a Vemadelung be performed by means of a second, now directed directly against the lying on the drum fiber web nozzle beam. The construction is very complicated and too expensive for some products.
  • WO 2008/107549 A2 is a device for fleece processing known in which the lying on a revolving conveyor belt web of fibers or filaments is transferred by a taking place from below through the conveyor belt water jet application to the lower side of a second conveyor belt.
  • the two conveyor belts have a distance which is greater than the thickness of the nonwoven web.
  • the basis weight of the nonwoven web can be influenced.
  • a compaction can only be done by another tape system, which causes a high construction cost.
  • the DE 10 2005 055 939 B3 shows a nozzle beam for generating fluid jets, which serve to solidify a fibrous web.
  • the nozzle strip contains a replaceable nozzle strip which contains the outlet openings for the fluid.
  • the outlet openings may be arranged in a row, but also in two or more rows parallel to each other.
  • the outlet openings have a distance from each other and diameter, which depend on the purpose.
  • pressurized water but in principle also superheated steam can be used.
  • Object of the present invention is one of the EP 1 126 064 B1 known device for solidifying a material web formed from fibers and / or filaments, consisting of a first, the material web-bearing, tensioned around guide rollers, circulating endless belt, and a second, stretched around guide rollers, in opposite directions to the first band at the same speed revolving endless belt, said first and second endless belt in a, in the conveying direction of the material web first region forming a conical Kompaktier Scheme converge at an angle to each other, thereby the material web located between the bands is increasingly pressed, wherein the first area then a first nozzle beam for the first fluid loading of the web located still between the two endless belts is arranged, the two bands are guided in this area of the first Fluidbeetzschung each stretched in a straight direction to improve.
  • the two belts are continuously tensioned at an acute angle ( ⁇ ).
  • the leadership of the bands is such that it is adjustable according to the fiber, Filamentart and other conditions. It can thus be provided that the fluid is applied in a region in which the web is only barely pressed.
  • the first fluid admission to take place by means of two rows of outlet openings for the fluid which are arranged one behind the other and run parallel to one another.
  • a nozzle strip having the openings to have two rows of outlet openings in a nozzle bar, or two nozzle bars to be arranged one behind the other. The latter arrangement makes it possible that the fluid admission takes place with different pressure values.
  • the two bands are guided parallel to one another in the region of the first fluid admission and not parallel to one another in a subsequent second section.
  • a first Fluidbeetzschlagung here is the admission of the fiber web understood by fluid jets of a single or a plurality of jet bars arranged one behind the other.
  • Aussererbem is provided that the two bands are stretched in the second section at an acute angle divergent.
  • the two bands are stretched in the second section at an acute angle diverging.
  • the two belts run parallel to one another, which can be effected by the two belts being deflected together by a first deflecting roller and the compacting belt subsequently being guided away at an acute angle from the transport belt carrying the nonwoven by means of a further deflecting roller.
  • the compacting belt runs in this section in the direction of a further deflection roller, which is preferably mounted adjustable, such that the angle under which the transport and Kompaktierband diverge, can be adjusted.
  • the two strips are each guided jointly around two deflection rollers, in this first section thus formed running parallel to one another.
  • the common looping of the two guide rollers can in this case take place in the same direction or alternately.
  • the Kompaktierband from the second guide roller at an acute angle of the nonwoven carrying the conveyor belt is guided away.
  • the compacting belt runs in this second section in the direction of a further deflection roller, which is preferably mounted adjustable, such that the angle at which the transport and Kompaktierband diverge, can be adjusted.
  • a nozzle bar is arranged in the first and in the second section.
  • meshes of the pressed between the two parallel bands held fiber web in this first section meshes of the pressed between the two parallel bands held fiber web in this first section.
  • a further nozzle bar is arranged, so that the wetted web is now applied once again through the structure of Kompaktierbandes and solidified, in which second section the Kompaktierband runs away at an acute angle of the nonwoven carrying the conveyor belt.
  • fiber web in this case means an unbonded pile of fibers and / or filaments, which is provided by a pile producer in unbonded form (material web before the first solidification, fluid loading).
  • nonwoven is used for the web after it has undergone a first consolidation.
  • a conveyor belt 1 designed as an endless screen belt is held stretched around deflection rollers U, U1 and rotated in the clockwise direction as indicated by the arrow (FIG. FIG. 1 ).
  • Another designed as an endless screen belt compacting 2 (second endless belt) is stretched around guide rollers U2, U2-J and rotated, as indicated by the arrow, counterclockwise.
  • the Kompaktierband 2 runs at the same speed as the conveyor belt 1 and so in the work stream synchronous to the fiber web F supporting workstring of the conveyor belt 1.
  • the guide rollers U, U1, U2, U2-J are rotatably mounted in machine frame parts, not shown.
  • an unconsolidated fiber web F (pile) is provided by, for example, a card, not shown, and runs on this in the direction of the guide roller U.
  • the deflecting roller U1 shown on the left, the deflecting roller U and a deflecting roller U2 form the conveyor belt 1 and the compacting belt 2 a conically tapered compacting area for the fiber web F. Since both conveyor belt 1 and compacting belt 2 are deflected around the deflecting roller U, the fiber web F is deflected in this direction common wrap area pressed the strongest.
  • the conveyor belt 1 and the compacting belt 2 each run straight in a straight direction with a sharp angles apart.
  • the Kompaktierband 2 runs in the direction of the guide roller U2-J, the conveyor belt 1 in the direction of a FIG. 1 not shown further deflection roller.
  • a first nozzle beam D is arranged above the fiber web covered by the compacting belt 2. This acts together with a below the fibrous web carrying conveyor belt 1 arranged suction A and causes by the directed onto the fiber web fluid jets W a first easy solidification of the structure. If water jets are ejected through the nozzle bar D, a netting of the fibrous web takes place in this area.
  • the fibrous web F is now compacted to a slightly consolidated nonwoven (Vorvlies) V and leaves below the guide roller U2-J the area of Kompaktierbandes 2. There are further means not shown for fluidization, for further solidification and / or structuring of the web.
  • FIG. 2 is an enlargement of the area between the common guide roller U and cooperating with the Kompaktierband 2 guide roller U2-J.
  • the conveyor belt 1 and cooperating with this Kompaktierband 2 wrap around the common guide roller U at an angle ⁇ . In this area the fiber web experiences the strongest pressure.
  • the conveyor belt 1 and the compacting belt 2 run apart at an acute angle ⁇ .
  • the deflection belt U2-J guiding the compacting belt K away from the direction of the conveyor belt 1 is mounted in height-adjustable manner in the machine frame (double arrow), so that the angle ⁇ can be set within a range indicated by the dashed line.
  • FIG. 3 is a further enlargement of the arrangement FIG. 2 in the region between the deflection roller U and the height-adjustable deflection roller U2-J.
  • the adjusted by the setting of the guide roller U2-J angle ⁇ between the nonwoven V carrying conveyor belt 1 and the Kompaktierband 2 is such that the passing through the Kompaktierband 2 fluid jets W only then hit the surface of the web V after the Kompaktierband second has no contact with the fleece V has.
  • the end point of the contact of Kompaktierband 2 and fleece V is marked with K.
  • FIG. 4 shows a situation in which the angle ⁇ between the nonwoven V carrying conveyor belt 1 and the Kompaktierband 2 is set so that the passing through the Kompaktierband 2 fluid jets W hit at the point K on the surface of the web V, ie at the Place where the Kompaktierband 2 loses contact with the web V.
  • the common deflection roller U is in FIG. 4 not shown.
  • the deflection roller U2-J By adjusting the deflection roller U2-J so the angle ⁇ between the non-woven fabric V carrying conveyor belt 1 and the Kompaktierband 2 can be adjusted, ie the distance between the point K, from which the Kompaktierband 2 has no contact with the web V and passage the fluid jets W through the Kompaktierband second
  • an angle ⁇ can also be set so that the fluid jets W passing through the compacting belt 2 strike the web V when the compacting belt 2 is still in contact with the web V.
  • conveyor belt 1 and Kompaktierband 2 also do not run parallel to each other, the angle ⁇ is only flatter than in the situations after FIG. 3 or 4 ,
  • FIG. 6 shows an embodiment of the invention, in which unlike the version of FIG. 1 none of the Kompaktierband 2 deflecting guide rollers U2 is adjustable.
  • the setting of an angle between the Kompaktierband 2 and the nonwoven carrying the transport belt 1 in the region of the first impingement with fluid jets W is carried by a conveyor belt 1 supporting guide roller U1-J, which is adjustable in the direction of the double arrow.
  • a conveyor belt 1 designed as an endless screen belt is held stretched around deflection rollers U, U1 and rotated in the clockwise direction as indicated by the arrow (FIG. FIG. 7 ).
  • Another formed as an endless screen belt compacting 2 (second endless belt) is stretched around guide rollers U2, U2-P, U2-J and rotated, as indicated by the arrow, counterclockwise.
  • the Kompaktierband 2 runs at the same speed as the conveyor belt 1 and so synchronously in the field of his loved
  • the guide rollers U, U1, U2, U2-P, U2-J are rotatably mounted in machine frame parts, not shown, supporting the fiber web F working strand of the conveyor belt.
  • an unconsolidated fiber web F (pile) is provided by, for example, a card, not shown, and runs on this in the direction of the guide roller U.
  • the deflecting roller U1 shown on the left, the deflecting roller U and a deflecting roller U2 form the conveyor belt 1 and the compacting belt 2 a conically tapered compacting area for the fiber web F. Since both conveyor belt 1 and compacting belt 2 are deflected around the deflecting roller U, the fiber web F is deflected in this direction common wrap around pressed.
  • a first section AB1 the conveyor belt 1 and the compacting belt 2 run parallel, thereby keeping the fibrous web therebetween pressed.
  • the conveyor belt 1 and the Kompaktierband 2 each in a straight direction stretched apart at an acute angle ⁇ .
  • the Kompaktierband 2 runs in the direction of the adjustable guide roller U2-J, the conveyor belt 1 in the direction of a further deflection roller, not shown in the figures.
  • the adjustability of the guide roller U2-J is indicated by the double arrow.
  • a first nozzle beam D1 is arranged above the fiber web covered by the compacting belt 2. This acts together with a below the fiber web carrying conveyor belt 1 arranged suction A1 and causes by the directed onto the fiber web fluid jets W1 easy solidification of the structure. If water jets are ejected through the nozzle bar D1, a netting of the fibrous web takes place in this area.
  • the fibrous web F is now compressed to a slightly consolidated nonwoven (Vorvlies) V and passes after the guide roller U2-P the second section AB2, in which the conveyor belt 1 and the compacting 2 each strained in a straight direction at an acute angle ⁇ apart.
  • a second nozzle bar D2 is arranged above the compacting belt 2.
  • a suction 2 is arranged below the nonwoven V carrying conveyor belt 1.
  • the loading of the web V takes place here by fluid jets W2, which pass through the structure (wire belt) of Kompaktierbandes 2, then on the surface of the web V and ultimately pass through the structure of the conveyor belt 1 therethrough.
  • the nozzle bars D1 and D2 are, based on the total path of the fiber web F and the web V within the entire system arranged in quick succession and cause a total of a first Fluidbeetzschung the material web in the context of the invention.
  • FIG. 8 shows an embodiment of the invention, in which the conveyor belt 1 and the Kompaktierband 2 only about a common guide roller U and then, reversed in the opposite direction to run around a guide roller U2-P.
  • the two belts 1, 2 run parallel and keep the fibrous web therebetween pressed.
  • the deflection roller U2-P run in the second section AB2
  • the conveyor belt 1 and the compacting belt 2 each strained in a straight direction at an acute angle ⁇ apart.
  • the Kompaktierband 2 runs in the direction of the adjustable guide roller U2-J, the conveyor belt 1 in the direction of an in FIG. 2 not shown further deflection roller.
  • FIG. 10 is an enlargement of the arrangement FIG. 9 in the second section AB2 between the guide roller U1-P and the height-adjustable guide roller U2-J.
  • the adjusted by the adjustability of the guide roller U2-J angle ⁇ between the nonwoven V carrying conveyor belt 1 and the Kompaktierband 2 is such that the passing through the compacting belt 2 fluid jets W2 only then hit the surface of the web V after the Kompaktierband second has no contact with the fleece V has.
  • the end point of the contact of Kompaktierband 2 and fleece V is marked with K.
  • FIG. 11 shows a situation in which the angle ⁇ between the nonwoven V carrying conveyor belt 1 and the Kompaktierband 2 is set so that the passing through the Kompaktierband 2 fluid jets W2 meet at the point K on the surface of the web V, ie at the Place where the Kompaktierband 2 loses contact with the web V.
  • an angle ⁇ can also be set so that the fluid jets W2 passing through the compacting belt 2 strike the web V when the compacting belt 2 is still in contact with the web V. Also in this case, the conveyor belt 1 and the compacting belt 2 also do not run parallel to one another, the angle ⁇ is only shallower than in the illustrated situations FIG. 10 or 11 ,

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Nonwoven Fabrics (AREA)
  • Treatment Of Fiber Materials (AREA)

Claims (11)

  1. Dispositif servant à consolider une bande de matériau formée à partir de fibres et/ou de filaments, constitué d'une première bande transporteuse supportant la bande de matériau, tendue autour de rouleaux de renvoi (U, U1), en rotation, réalisée sous la forme d'une bande sans fin, et constitué d'une bande de compactage (2) tendue autour de rouleaux de renvoi (U2, U2-J), tournant à la même vitesse dans le sens contraire par rapport à la première bande et réalisée sous la forme d'une bande sans fin, sachant que la bande transporteuse (1) et la bande de compactage (2) se déroulent l'une vers l'autre selon un angle dans une première zone située dans le sens de progression de la bande de matériau, formant une zone de compactage conique, ce qui permet de comprimer de manière croissante la bande de matériau se trouvant entre les bandes, sachant qu'une première poutre à tuyères servant à soumettre une première fois la bande de matériau se trouvant encore entre les deux bandes sans fin à l'action d'un fluide est disposée de manière adjacente à la première zone, sachant que les deux bandes sont guidées respectivement de manière à s'étendre en étant tendues dans une direction rectiligne dans ladite première zone d'exposition au fluide,

    caractérisé en ce
    que la bande transporteuse et la bande de compactage (1, 2) sont guidées de manière non parallèle l'une par rapport à l'autre dans la première zone d'exposition au fluide (D, W, A), sachant que la bande transporteuse (1) et la bande de compactage (2) sont tendues en s'écartant l'une de l'autre dans la première zone d'exposition au fluide (D, W, A) selon un angle aigu (ß).
  2. Dispositif selon la revendication 1,
    caractérisé en ce
    que les deux bandes entourent conjointement un rouleau de renvoi (U) en maintenant la bande de matériau comprimée, et se déroulent sur respectivement un autre rouleau de renvoi (U1-J, U2-J) dans la première zone d'exposition au fluide (D, W, A).
  3. Dispositif selon la revendication 1 ou 2,
    caractérisé en ce
    que le guidage non parallèle des deux bandes (1, 2) peu être ajusté dans la première zone d'exposition au fluide (D, W, A).
  4. Dispositif selon la revendication 3,
    caractérisé en ce
    qu'un rouleau de renvoi (U1-J, U2-J) d'une des bandes (1, 2) peut être ajusté de telle manière que l'angle (ß) des directions, selon lesquelles les bandes (1, 2) s'écartent l'une de l'autre, peut être modifié.
  5. Dispositif selon l'une quelconque des revendications précédentes,
    caractérisé en ce
    qu'une deuxième poutre à tuyères (D2) est disposée dans la première zone d'exposition au fluide à côté de la première poutre à tuyères (Dl).
  6. Dispositif servant à consolider une bande de matériau formée à partir de fibres et/ou de filaments, constitué d'une première bande transporteuse supportant la bande de matériau, tendue autour de rouleaux de renvoi (U, U1), en rotation, réalisée sous la forme d'une bande sans fin, et constitué d'une deuxième bande de compactage (2) tendue autour de rouleaux de renvoi (U2, U2-J), se déroulant à la même vitesse dans le sens contraire par rapport à la première bande et réalisée sous la forme d'une bande sans fin, sachant que la bande transporteuse et la bande de compactage se déroulent l'une vers l'autre selon un angle dans une première zone dans le sens de progression de la bande de matériau, formant ainsi une zone de compactage conique, ce qui permet de comprimer de manière croissante la bande de matériau se trouvant entre les bandes, sachant que des poutres à tuyères sont disposées de manière adjacente à la zone de compactage afin de soumettre une première fois la bande de matériau se trouvant encore entre les deux bandes sans fin à l'action d'un fluide, sachant que les deux bandes sont guidées respectivement de manière à s'étendre en étant tendues dans une direction rectiligne dans ladite première zone d'exposition au fluide,
    caractérisé en ce
    que les deux bandes (1, 2) sont guidées de manière parallèle dans une première section (AB1) dans la première zone d'exposition au fluide (D, W, A) et de manière non parallèle dans une deuxième section (AB2) adjacente, sachant que les deux bandes (1, 2) sont tendues de manière à s'écarter l'une de l'autre dans la deuxième section (AB2), selon un angle aigu (ß).
  7. Dispositif selon la revendication 6,

    caractérisé en ce
    que les deux bandes (1, 2) entourent conjointement un rouleau de renvoi (U) et s'étendent de manière parallèle l'une par rapport à l'autre en maintenant la bande de matériau comprimée, en direction d'un autre rouleau de renvoi commun (U1-P, U2-P).
  8. Dispositif selon la revendication 6 ou 7,
    caractérisé en ce
    que le guidage non parallèle des deux bandes (1, 2) peut être ajusté dans la deuxième section (AB2).
  9. Dispositif selon la revendication 8,
    caractérisé en ce
    qu'un rouleau de renvoi (U1-J) d'une des bandes (1, 2) peut être ajusté de sorte que l'angle (ß) des directions, selon lesquelles les bandes (1, 2) s'écartent l'une de l'autre, peut être modifié.
  10. Dispositif selon l'une quelconque des revendications précédentes 6 à 9,
    caractérisé en ce
    que la première exposition au fluide se fait au moyen de plusieurs poutres à tuyères (D1, D2) disposées les unes derrière les autres à peu de distance à l'intérieur de l'installation par rapport au trajet global de la bande de matériau, lesquelles poutres à tuyères sont disposées dans une première et/ou une deuxième section (AB1, AB2).
  11. Dispositif selon l'une quelconque des revendications 6 à 10,
    caractérisé en ce
    qu'une première poutre à tuyères (D1) est disposée dans la première section (AB1), et en ce qu'une deuxième poutre à tuyères (D2) est disposée dans la deuxième section (AB2).
EP10718044A 2009-04-08 2010-03-25 Dispositif pour consolider une nappe de fibres Active EP2417290B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10718044T PL2417290T3 (pl) 2009-04-08 2010-03-25 Urządzenie do wzmacniania wstęgi włókien

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE200910016996 DE102009016996A1 (de) 2009-04-08 2009-04-08 Vorrichtung zum Verfestigen einer Faserbahn
DE102009017729A DE102009017729A1 (de) 2009-04-11 2009-04-11 Vorrichtung zum Verfestigen einer Faserbahn
PCT/DE2010/000337 WO2010115400A1 (fr) 2009-04-08 2010-03-25 Dispositif pour consolider une nappe de fibres

Publications (2)

Publication Number Publication Date
EP2417290A1 EP2417290A1 (fr) 2012-02-15
EP2417290B1 true EP2417290B1 (fr) 2013-03-20

Family

ID=42262358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10718044A Active EP2417290B1 (fr) 2009-04-08 2010-03-25 Dispositif pour consolider une nappe de fibres

Country Status (8)

Country Link
US (1) US8782861B2 (fr)
EP (1) EP2417290B1 (fr)
JP (1) JP5787236B2 (fr)
CN (1) CN102388173B (fr)
ES (1) ES2404904T3 (fr)
IL (1) IL215364A0 (fr)
PL (1) PL2417290T3 (fr)
WO (1) WO2010115400A1 (fr)

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* Cited by examiner, † Cited by third party
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DE102013101431B4 (de) * 2013-02-13 2016-06-23 TRüTZSCHLER GMBH & CO. KG Vorrichtung und Verfahren zum hydrodynamischen Verfestigen von Vliesen, Geweben und Gewirken
DE202014101647U1 (de) * 2014-04-08 2015-07-09 Autefa Solutions Germany Gmbh Düsenbalken
DE102015112955A1 (de) * 2015-04-13 2016-10-13 TRüTZSCHLER GMBH & CO. KG Anlage und Verfahren zur Verbindung bzw. Verfestigung einer Bahn von Faserstoff mit einem Vlies
US10570542B2 (en) * 2015-09-11 2020-02-25 Teresa Catallo Apparatus and method for pre-shrinking a wet fabric prior to drying
DE102021107900B4 (de) * 2021-03-29 2023-02-02 Andritz Küsters Gmbh Anlage zum Verfestigen von Fasern umfassenden Lagen zu einer Vliesbahn
DE102021107901A1 (de) * 2021-03-29 2022-09-29 Andritz Küsters Gmbh Anlage und Verfahren zum Verfestigen von Fasern umfassenden Lagen zu einer Vliesbahn
DE102021107902A1 (de) * 2021-03-29 2022-09-29 Andritz Küsters Gmbh Anlage zur Verfestigung mindestens einer nass- oder trockengelegten Faserlage zu einer Vliesbahn, mit einem Förderer, der ein umlaufendes Band mit einem oberen Trum umfasst, auf welches die mindestens eine Faserlage ablegbar und in einer Produktionsrichtung verlagerbar ist

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US2730933A (en) * 1953-06-04 1956-01-17 William G Reynolds Method and apparatus for the manufacture of sheet material from solid particles suspended in liquid media
US4072557A (en) * 1974-12-23 1978-02-07 J. M. Voith Gmbh Method and apparatus for shrinking a travelling web of fibrous material
JPH08260315A (ja) * 1995-03-22 1996-10-08 Mitsubishi Paper Mills Ltd ウェブ加工装置
EP0841424B1 (fr) * 1996-11-11 2002-06-05 Fleissner GmbH & Co. Maschinenfabrik Dispositif pour l'aiguilletage hydraulique d'étoffes non-tissées, tissus
EP0859076B1 (fr) * 1997-02-12 2002-08-28 Fleissner GmbH & Co. Maschinenfabrik Dispositif d'hydro-enchevêtrement de fibres d'une nappe fibreuse
JP2000034660A (ja) * 1998-07-17 2000-02-02 Uni Charm Corp 湿式不織布の製造方法および製造装置
DE10006763A1 (de) * 2000-02-15 2001-08-16 Fleissner Gerold Vorrichtung zum hydrodynamischen Beaufschlagen der Fasern einer Faserbahn mit einem Fluid
FR2845697B1 (fr) * 2002-10-11 2005-05-27 Rieter Perfojet Procede et machine de production d'un non-tisse a reduction de la vitesse de deplacement de la nappe compactee
DE10254563A1 (de) * 2002-11-21 2004-06-03 Fleissner Gmbh & Co. Maschinenfabrik Vorrichtung zum hydrodynamischen Verschlingen der Fasern einer Faserbahn
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Also Published As

Publication number Publication date
WO2010115400A1 (fr) 2010-10-14
US8782861B2 (en) 2014-07-22
JP2012523502A (ja) 2012-10-04
CN102388173B (zh) 2014-06-18
JP5787236B2 (ja) 2015-09-30
EP2417290A1 (fr) 2012-02-15
PL2417290T3 (pl) 2013-08-30
ES2404904T3 (es) 2013-05-29
US20120096694A1 (en) 2012-04-26
CN102388173A (zh) 2012-03-21
IL215364A0 (en) 2011-12-29

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