EP2417290A1 - Apparatus for compacting a fibrous web - Google Patents
Apparatus for compacting a fibrous webInfo
- Publication number
- EP2417290A1 EP2417290A1 EP10718044A EP10718044A EP2417290A1 EP 2417290 A1 EP2417290 A1 EP 2417290A1 EP 10718044 A EP10718044 A EP 10718044A EP 10718044 A EP10718044 A EP 10718044A EP 2417290 A1 EP2417290 A1 EP 2417290A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- bands
- web
- material web
- belts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims abstract description 53
- 239000000835 fiber Substances 0.000 claims abstract description 52
- 239000000463 material Substances 0.000 claims abstract description 27
- 230000001154 acute effect Effects 0.000 claims description 15
- 238000005056 compaction Methods 0.000 claims description 5
- 239000004745 nonwoven fabric Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000007711 solidification Methods 0.000 description 4
- 230000008023 solidification Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
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 consolidating a fiber web according to the preamble of claim 1.
- a first endless belt supporting the fiber web which is tensioned and deflected between at least two rollers, a permeable needling drum which is looped around by the endless belt,
- a second endless belt which is also tensioned between at least two rollers and which is connected to the first endless belt and which is driven in the same direction in the same direction as that of the first endless belt, running around the working belt of the first endless belt;
- the two working strands of the two endless belts are directed conically towards one another in their longitudinal extent so that the fiber web lying on the working strand of the first endless belt (the pre-fleece, the pile) is increasingly compressed between the leading endless belts;
- the two endless belts are pressed by two rollers against the needling drum for stronger wrapping of the drum, - between these two rollers is a nozzle bar for the network of the fiber web directed against them.
- 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 stopped.
- 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 needling can 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.
- a second endless belt likewise tensioned between at least two rollers, whose working band of the first endless belt lies opposite the working belt of the first endless belt, driven in the same direction as that of the first endless belt supporting the fiber web first endless band,
- the two working strands of the two endless belts are directed conically towards each other at the inlet in their longitudinal extent, so that the fibrous web lying on the working strand of the first endless belt increasingly compacts between the leading endless belts becomes,
- a first nozzle beam assigned to the two mutually circulating endless belts and having a suction for meshing the fiber web.
- the nozzle bar arranged between the rollers guiding the compacting belt is oriented in such a way that the water jets hit the fiber web only in the transport direction of the fiber web after the compression area ,
- WO 2008/107549 A2 discloses a device for fleece processing tion is 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.
- DE 10 2005 055 939 B3 shows a nozzle beam for producing fluid jets, which serve to solidify a fiber 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.
- the object of the present invention is to provide a device known from EP 1 126 064 B1 for consolidating a material web formed from fibers and / or filaments, consisting of a first, circulating endless belt, which supports the material web and is tensioned around guide rollers, and a second one Guide rollers stretched, opposite to the first band at the same speed circulating endless belt, wherein the first and the second End- losband in a first in the conveying direction of the material web forming a conical Kompaktier Scheme converge at an angle to each other, thereby the material located between the bands rialbahn is increasingly pressed, wherein the first area then a first nozzle beam for the first fluid loading of the web located 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 bands are not guided parallel to one another.
- the two belts, the conveyor belt carrying the material web consisting of fibers and / or filaments, and the compacting belt effecting the pressing, run apart at an acute angle with respect to the transport direction of the web.
- 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 for the fluid admission to take place with different pressure values.
- a first application of fluid should be understood to mean that the fiber web is acted upon by fluid jets of a single or a plurality of jet bars arranged one behind the other.
- the two bands together wrap around a guide roller and run parallel to each other, the material web pressed holding, to another common guide roller.
- the first fluid is applied by means of several, based on the total path of the material web within the entire system arranged in quick succession nozzle beam, which are arranged in the first and / or second section.
- a first nozzle bar and in the second section, a second nozzle bar is arranged.
- 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 in common around two deflection rollers, running parallel to one another in this first section thus formed.
- the common looping of the two guide rollers can in this case take place in the same direction or alternately.
- the compacting belt is guided away from the second deflection roller at an acute angle away from the transport belt carrying the nonwoven.
- 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 beam is arranged, so that the wetted fleece is now once more acted upon and solidified by the structure of the compacting belt, wherein in this second section the compacting belt runs away at an acute angle from the transport belt carrying the nonwoven ,
- fiber web in this case means an unbonded pile of fibers and / or filaments which is provided by a pile producer in unconsolidated 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, as indicated by the arrow, in the clockwise direction (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 compacting belt 2 runs at the same speed as the conveyor belt 1 and thus in the region of its workstring in synchronism with the working web of the conveyor belt 1 carrying the fiber web F.
- the deflecting 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 guide roller U and a deflecting roller U2 form the conveyor belt 1 and the Kompaktierband 2 a tapered Kompaktier Scheme for the fiber web F. Since both conveyor belt 1 and Kompaktierband 2 are deflected to the guide roller U, the fiber web F is pressed in this common wrap around the strongest.
- the conveyor belt 1 and the compacting belt 2 each run in a straightened direction with a At an acute angle apart.
- the Kompaktierband 2 runs in the direction of the guide roller U2-J, the conveyor belt 1 in the direction of a further deflection roller, not shown in Figure 1.
- a first nozzle beam D is arranged above the fiber web covered by the compacting belt 2. This acts together with a suction device A arranged below the conveyor belt 1 carrying the fiber web and, due to the fluid jets W directed onto the fiber web, brings about a first slight 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 into a slightly consolidated nonwoven (pre-fleece) V and leaves below the deflecting roller U2-J the region of the compacting belt 2. This is followed by further devices (not shown) for applying fluid, for further solidification and / or structuring of the nonwoven.
- FIG. 2 is an enlargement of the area between the common deflection roller U and the deflection roller U2-J cooperating with the compacting belt 2.
- 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 deflecting roller U2-J directing 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 region indicated by the dashed line
- FIG. 3 is a further enlargement of the arrangement according to FIG.
- the adjusted by the setting of the guide roller U2-J angle ß between the nonwoven fabric V carrying conveyor belt 1 and the Com paktierband 2 is such that the passing through the compacting belt 2 fluid jets W only then hit the surface of the web V after the Kompaktierband 2 has no contact with the fleece V has.
- the end point of the contact between compacting belt 2 and fleece V is marked with K.
- FIG. 4 shows a situation in which the angle ⁇ between the transport belt 1 carrying the web V and the compacting belt 2 is set such that the fluid jets passing through the compacting belt 2 strike the surface of the web V at the point K. , So at the point where the Kompaktierband 2 loses contact with the web V.
- the common guide roller U is not shown in Figure 4.
- the deflection roller U2-J By adjusting the deflection roller U2-J so the angle ß 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 compacting belt 2.
- the web is acted upon for the first time, by means of the fluid jets W2 of the second nozzle beam D2, which pass through the compacting belt 2 after the compacting belt 2 has no contact with the web V , Fiber adhesions are removed from the compacting belt 2 and brought back into the web V.
- FIG. 6 shows an embodiment of the invention in which, unlike the version of FIG. 1, none of the deflecting rollers U2 deflecting the compacting belt 2 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 transport belt 1 designed as an endless screen belt is held stretched around deflection rollers U, U1 and rotated, as indicated by the arrow, in the clockwise direction (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 guide roller U and a guide roller U2 form the conveyor belt 1 and the compacting belt 2 a tapered Kompaktier Scheme for the fiber web F. Since both conveyor belt 1 and Kompaktierband 2 are deflected around the guide roller U, the fiber web F is pressed in this common looping.
- 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 compacting belt 2 each run apart in a straight direction 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 deflection 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 suction device A1 arranged below the conveyor belt 1 carrying the fibrous web and causes a slight solidification of the structure due to the fluid jets W1 directed onto the fibrous web. door. 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 compacted to form a slightly consolidated nonwoven web V and after the deflecting roller U2-P reaches the second section AB2, in which the conveyor belt 1 and the compacting belt 2 are tensioned in an even direction at an acute angle ß diverge.
- 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 arranged in quick succession, relative to the entire path of the fiber web F or of the nonwoven V, within the entire system and, overall, bring about a first fluid admission of the material web in the sense of the invention.
- FIG. 8 shows an embodiment of the invention in which the conveyor belt 1 and the compacting belt 2 first run around a common deflection roller U and then, deflected in the opposite direction, around a deflection roller U2-P.
- the two belts 1, 2 run parallel and keep the fibrous web therebetween pressed.
- fluid jets W1 of a first nozzle beam D1 with arranged under the conveyor belt suction A1.
- the conveyor belt 1 and the Kompaktierband 2 each strained in a straight direction at an acute angle ß apart.
- 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 Figure 2.
- the conveyor belt 1 and the compacting belt 2 each run in the same direction around two guide rollers U, U1-P.
- a first nozzle beam D1 is arranged together with suction A1.
- the conveyor belt 1 and the Kompaktierband 2 each strained in a straight direction at an acute angle ß apart.
- a second nozzle bar D2 with suction A2 is arranged in order to carry out the first fluid admission of the nonwoven V.
- the loading of the nonwoven fabric V is effected here by fluid jets W 2, which pass through the structure (sieve belt) of the compacting belt 2, then onto the surface of the nonwoven fabric V and finally pass through the structure of the conveyor belt 1.
- Figure 10 is an enlargement of the arrangement of Figure 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 ß between the nonwoven fabric 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 transport belt 1 carrying the web V and the compacting belt 2 is set such that the fluid jets W2 passing through the compacting belt 2 strike the surface of the web V at point K, ie at the point 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, conveyor belt 1 and compacting belt 2 likewise do not run parallel to one another, the angle ⁇ is only flatter than in the illustrated situations according to FIG. 10 or 11.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL10718044T PL2417290T3 (en) | 2009-04-08 | 2010-03-25 | Apparatus for compacting a fibrous web |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200910016996 DE102009016996A1 (en) | 2009-04-08 | 2009-04-08 | Non-woven fibrous sheet consolidation apparatus, includes contrarotating supporting and compacting belts running non-parallel to each other in fluid jet application region |
DE102009017729A DE102009017729A1 (en) | 2009-04-11 | 2009-04-11 | Device for strengthening material web made of fibers and/or filaments, comprises first and second endless belts tightly revolving around deflection rollers carrying the web, where second endless belt counter-rotates to first endless belt |
PCT/DE2010/000337 WO2010115400A1 (en) | 2009-04-08 | 2010-03-25 | Apparatus for compacting a fibrous web |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2417290A1 true EP2417290A1 (en) | 2012-02-15 |
EP2417290B1 EP2417290B1 (en) | 2013-03-20 |
Family
ID=42262358
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10718044A Active EP2417290B1 (en) | 2009-04-08 | 2010-03-25 | Apparatus for compacting a fibrous web |
Country Status (8)
Country | Link |
---|---|
US (1) | US8782861B2 (en) |
EP (1) | EP2417290B1 (en) |
JP (1) | JP5787236B2 (en) |
CN (1) | CN102388173B (en) |
ES (1) | ES2404904T3 (en) |
IL (1) | IL215364A0 (en) |
PL (1) | PL2417290T3 (en) |
WO (1) | WO2010115400A1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102013101431B4 (en) * | 2013-02-13 | 2016-06-23 | TRüTZSCHLER GMBH & CO. KG | Apparatus and method for the hydrodynamic consolidation of nonwovens, fabrics and knitted fabrics |
DE202014101647U1 (en) * | 2014-04-08 | 2015-07-09 | Autefa Solutions Germany Gmbh | nozzle beam |
DE102015112955A1 (en) * | 2015-04-13 | 2016-10-13 | TRüTZSCHLER GMBH & CO. KG | Plant and method for connecting or solidifying a web of pulp with a nonwoven |
US10570542B2 (en) * | 2015-09-11 | 2020-02-25 | Teresa Catallo | Apparatus and method for pre-shrinking a wet fabric prior to drying |
DE102021107901A1 (en) * | 2021-03-29 | 2022-09-29 | Andritz Küsters Gmbh | Plant and method for bonding layers comprising fibers to form a non-woven web |
DE102021107900B4 (en) | 2021-03-29 | 2023-02-02 | Andritz Küsters Gmbh | Plant for consolidating layers comprising fibers to form a fleece web |
DE102021107902A1 (en) * | 2021-03-29 | 2022-09-29 | Andritz Küsters Gmbh | Plant for consolidating at least one wet-laid or dry-laid fiber layer to form a fleece web, with a conveyor that includes a circulating belt with an upper run, on which the at least one fiber layer can be placed and displaced in a production direction |
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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 (en) * | 1995-03-22 | 1996-10-08 | Mitsubishi Paper Mills Ltd | Web processing apparatus |
EP0841424B1 (en) * | 1996-11-11 | 2002-06-05 | Fleissner GmbH & Co. Maschinenfabrik | Device for hydraulic needling of nonwoven fabrics, tissues |
EP0859076B1 (en) * | 1997-02-12 | 2002-08-28 | Fleissner GmbH & Co. Maschinenfabrik | Apparatus for hydroentangling the fibres of a fibre web |
JP2000034660A (en) * | 1998-07-17 | 2000-02-02 | Uni Charm Corp | Production of wet nonwoven fabric and apparatus for production |
DE10006763A1 (en) | 2000-02-15 | 2001-08-16 | Fleissner Gerold | Hydrodynamic consolidation of non-woven involves fluid jet treatment of non-woven while held between continuous conveying bands |
FR2845697B1 (en) * | 2002-10-11 | 2005-05-27 | Rieter Perfojet | METHOD AND MACHINE FOR PRODUCING A NON-TISSUE WITH A REDUCTION OF THE SPEED OF DISPLACEMENT OF THE COMPACT TABLET |
DE10254563A1 (en) | 2002-11-21 | 2004-06-03 | Fleissner Gmbh & Co. Maschinenfabrik | Device for hydrodynamically intertwining the fibers of a fibrous web |
US20050091811A1 (en) * | 2003-10-31 | 2005-05-05 | Sca Hygiene Products Ab | Method of producing a nonwoven material |
DE102004030413A1 (en) * | 2004-06-23 | 2006-02-23 | Fleissner Gmbh | Device for hydrodynamically entangling the fibers of a fibrous web |
DE102004042119A1 (en) * | 2004-08-30 | 2006-03-02 | Trützschler GmbH & Co KG | Apparatus for producing a fibrous web, e.g. made of cotton, chemical fibers or the like. |
DE102004049146A1 (en) * | 2004-10-07 | 2006-04-13 | Fleissner Gmbh | Wasservernadelungsvorrichtung |
DE102005055939B3 (en) | 2005-11-24 | 2007-02-08 | Fleissner Gmbh | Nozzle crosspiece used in a device for producing a liquid jet comprises a pressure distribution chamber containing an impact body arranged over the length of a slot and not screwed to the crosspiece but inserted into it |
FR2911616B1 (en) | 2007-01-19 | 2009-07-03 | Rieter Perfojet Soc Par Action | INSTALLATION AND METHOD FOR PRODUCING A FIBER OR FILAMENT BASED TABLE |
WO2008110134A1 (en) | 2007-03-09 | 2008-09-18 | Fleissner Gmbh | Device for the compaction of stable fibers or a non-woven material comprised of filaments |
DE102009007669A1 (en) * | 2009-02-05 | 2010-08-12 | Fleissner Gmbh | Method and device for producing cotton wool products |
-
2010
- 2010-03-25 CN CN201080015965.8A patent/CN102388173B/en active Active
- 2010-03-25 EP EP10718044A patent/EP2417290B1/en active Active
- 2010-03-25 ES ES10718044T patent/ES2404904T3/en active Active
- 2010-03-25 PL PL10718044T patent/PL2417290T3/en unknown
- 2010-03-25 WO PCT/DE2010/000337 patent/WO2010115400A1/en active Application Filing
- 2010-03-25 US US13/263,676 patent/US8782861B2/en not_active Expired - Fee Related
- 2010-03-25 JP JP2012503859A patent/JP5787236B2/en not_active Expired - Fee Related
-
2011
- 2011-09-25 IL IL215364A patent/IL215364A0/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
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See references of WO2010115400A1 * |
Also Published As
Publication number | Publication date |
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IL215364A0 (en) | 2011-12-29 |
WO2010115400A1 (en) | 2010-10-14 |
JP2012523502A (en) | 2012-10-04 |
ES2404904T3 (en) | 2013-05-29 |
EP2417290B1 (en) | 2013-03-20 |
CN102388173B (en) | 2014-06-18 |
US8782861B2 (en) | 2014-07-22 |
JP5787236B2 (en) | 2015-09-30 |
CN102388173A (en) | 2012-03-21 |
US20120096694A1 (en) | 2012-04-26 |
PL2417290T3 (en) | 2013-08-30 |
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