EP2956578A1 - Vorrichtung und verfahren zum hydrodynamischen verfestigen von vliesen, geweben und gewirken - Google Patents
Vorrichtung und verfahren zum hydrodynamischen verfestigen von vliesen, geweben und gewirkenInfo
- Publication number
- EP2956578A1 EP2956578A1 EP13765647.6A EP13765647A EP2956578A1 EP 2956578 A1 EP2956578 A1 EP 2956578A1 EP 13765647 A EP13765647 A EP 13765647A EP 2956578 A1 EP2956578 A1 EP 2956578A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fiber web
- drum
- kompaktierblech
- kompaktierbleches
- outlet edge
- 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
- 239000004744 fabric Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 9
- 239000002759 woven fabric Substances 0.000 title claims abstract 3
- 239000000835 fiber Substances 0.000 claims abstract description 104
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000007711 solidification Methods 0.000 claims description 23
- 230000008023 solidification Effects 0.000 claims description 23
- 238000005056 compaction Methods 0.000 claims description 11
- 238000007596 consolidation process Methods 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 239000004033 plastic Substances 0.000 claims description 7
- 239000004809 Teflon Substances 0.000 claims description 4
- 229920006362 Teflon® Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000002103 nanocoating Substances 0.000 claims description 3
- 239000002131 composite material Substances 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 claims 1
- 238000007906 compression Methods 0.000 claims 1
- 238000011144 upstream manufacturing Methods 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229910000639 Spring steel Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 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
- 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
Definitions
- the invention relates to a device and a method for the hydrodynamic consolidation of nonwovens, fabrics and knitted fabrics, comprising a solidification system with at least one water beam and a drum or an endless belt, between which a fibrous web is transported and solidified.
- the underlying drum under the fiber web has a plurality of openings, in the one hand, the fibers can partially enter and are entwined with each other, and on the other hand, the water of the water jets is sucked or removed. Usually 2-3 water bars are arranged one behind the other. Without compaction, the fiber web is very sensitive to the water jets or the suction. The fibers would be displaced, which would adversely affect the appearance of the fibrous web as well as the strength and elongation.
- the water jet solidification of chemical fibers such as polyester or polypropylene is limited possible without compaction. Care must be taken very carefully to ensure the correct pressure, the distance of the water bar from the fiber web and the associated suction power.
- the apparatus for the hydrodynamic consolidation of nonwovens, fabrics and knitted fabrics comprises a solidification system with at least one water bar and a drum or an endless belt, between which a fiber web is transported and solidified.
- a compacting device is arranged, which compresses the fiber web on the drum or the endless belt.
- the compacting device has at least one Kompaktierblech that presses the fiber web on the drum or the endless belt.
- the same effect is achieved by the simplest technical means, as in an upstream Kompaktierstrom, in which the fiber web is pre-compressed between endless belts or drums. It can be dispensed with an entire system section, resulting in a significant price advantage.
- the water jet can have a pressure of 10 to 100 bar. Optimum values are achieved with a pressure of 20 to 40 bar.
- the attachment of Kompaktierbleches on a support allows on the one hand a retrofittable solution that can be attached to the water frame on the machine frame.
- the distance of the compacting device can be set to the fiber web.
- the Compacting means can be adjusted via a pivoting device on the carrier in the angle and in the position, so that the pressing force of the Kompaktierbleches can vary on the nonwoven web. With the pivoting device, the distance from the outlet edge of the Kompaktierbleches can be adjusted to the water jet row of the water bar.
- a further improvement is achieved in that the Kompaktierblech compressed under bias the fiber web.
- the bias voltage can be generated by the elasticity of the Kompaktierbleches and / or by a contact pressure device.
- the design of Kompaktierbleches made of resilient metal or plastic produces a low-cost and very efficient compacting device, as spring back in material irregularities of the slightly bent sheet metal or plastic strip.
- the use of the elasticity of the bent Kompaktierbleches created a certain inlet area, which is very complicated by the prior art produced by angularly disposed endless belts. The fibers are compacted via this inlet area and subsequently compacted in the region of the outlet edge of the compacting plate.
- a decisive advantage of the invention to the prior art is that an outlet edge of the Kompaktierbleches is positioned directly on the water jet. This prevents a partial pulling in of the fiber web into the suction region of the bore or of the suction slots in the drum or under the endless belt. The fiber web is better fixed on the drum or the endless belt, while the individual fibers are entwined with each other. The previously disadvantageous longitudinal strips that occur without compaction can thus be effectively prevented.
- the outlet edge of the Kompaktierbleches is positioned so close to the water jet, that at least a portion of the suction region of the bore or the suction slots are covered.
- the distance of the front edge to the water jet can be reduced to 0.1 mm, so that a very targeted partial hydroentanglement takes place without stretching the fiber web in the region in front of the water jet rows.
- a further improvement can be achieved in that the outlet edge of the Kompaktierbleches is designed to slide over the fiber web. It is thus achieved an alignment of the fibers on the surface of the fiber web, whereby an increased longitudinal strength, but no reduction in transverse strength is achieved.
- the outlet edge of the Kompaktierbleches may be formed to roll over the fiber web. Thus, a line-shaped pressure is exerted on the fiber web, in which the influence on the MD / CD ratio is minimized.
- a Kompaktierblech made of metal, plastic or a composite material. It is advantageous if the materials have a certain elasticity or spring action and bend easily. As a result, an inlet or Kompaktier Scheme is generated in which the fibers are compacted.
- the Kompaktierblech has a thickness of 0.1 to 3 mm, preferably from 0.15 to 0.5 mm. With the thin sheets, the necessary bending elasticity is given. Especially with thin spring steel or resilient materials, the Kompaktierbleche can adjust material irregularities. Especially with the thin Kompaktierblechen the spring action is so sufficient that the force is limited to the fiber web and the fiber web is not torn off.
- the compacting plate may be provided with Teflon or a nano-coating.
- the outlet edge of Kompaktierbleches has a waveform or teeth
- the fiber web can be better kept on the drum with strong suction of the drum.
- the wave shape results in a higher stability, especially with thin sheets, because the outlet edge does not bend or deform partially due to the suction.
- the outlet edge of the Kompaktierbleches may also have bores or a perforation, can flow through the air, so that the Kompaktierblech not deformed during the suction through the suction slots of the drum or the endless belt.
- the distance of the Kompaktierblech to the drum or the endless belt is adjustable.
- the distance to the water jet can be adjusted, on the other hand, the bias of the resilient plate can be determined.
- the inventive method for hydrodynamic consolidation of nonwovens, fabrics and knitted fabrics wherein a fiber web between a water bar and a drum or an endless belt is transported and solidified, characterized in that the fiber web is compacted in front of the water bar by means of a compacting device on the drum or the endless belt. It is thus created a shorter length in the system, which has significant advantages for the fiber web at the same time, as a compacting prevents the fibers from blurring just before the hydroentanglement.
- the densification of the fibrous web may alternatively be generated by a sliding or rolling compactor, depending on whether a change in MD / CD ratio is desired. Accordingly, the outlet edge of Kompaktierbleches is then designed.
- the strength of the fibrous web in the longitudinal direction can be increased.
- the direct solidification of the water bar immediately behind the Kompaktierblech is more effective and thus more economical than a solidification with pre-wetting in an upstream Kompaktierü.
- a compacting device is integrated into a solidification system in the smallest space, wherein the compaction takes place close to the solidification. This avoids blurring of the fibers, which increases the quality of the fleece and avoids the unwanted longitudinal stripes. Sliding compaction also increases the longitudinal strength without affecting the transverse strength.
- Figure 1 a schematic side view of a
- FIG. 1a enlargement of the solidification area with a drum with suction
- FIG. 2a-2h various embodiments of Kompaktierbleches
- FIG. 3 shows a further embodiment of a solidification installation
- Figure 4 another embodiment of a solidification plant.
- FIG. 1 shows a solidification installation 1, which essentially comprises a drum 3 or alternatively an endless belt with at least one water bar 4.
- the drum 3 can be designed as a so-called sieve drum, comprising a perforated metal drum, which is covered with a supporting fabric and a fine sieve or alternatively with a microporous shell.
- the drum may be formed as a structure drum, the surface of which has a perforation to give the fibrous web 2 a structure or a pattern.
- the drum 3 has a plurality of bores 3 a, through which the water of the water bar 4 is discharged.
- a suction pipe 3c is arranged with a plurality of suction slots 3d, via which the water is sucked off with negative pressure.
- the water bar 4 is arranged, which injects a series of water jets 6 onto the fiber web 2 under high pressure by means of a plurality of nozzles 5.
- the water bar 4 is operated according to the invention with a pressure of 10 to 100 bar, preferably at a pressure of 20 to 40 bar.
- the nozzle bar 4 can be operated with one or more rows of water jets 6.
- the nozzles 5 are arranged along the longitudinal axis of the water bar 4.
- the fiber web 2 runs in this embodiment in the arrow direction from left to right on the drum 3 and is continuously from the Water jets 6 hit.
- the water bar 4 is arranged adjustable at a distance from the drum 3 or to the continuous web.
- a compacting device 10 is arranged in the running direction of the fiber web 2 in front of the water bar 4 and exerts a pressure on the fiber web 2 along the longitudinal axis of the drum 3.
- the compacting device 10 comprises a suspension 13 with a hinge 12 to which a support 11 is rotatably mounted.
- the suspension 13 is attached to a machine frame or scaffolding, not shown.
- a Kompaktierblech 14 is arranged, which is recognizable in side view. In its longitudinal extent or over the working width of the Kompaktierblech 13 extends substantially over the entire length of the drum 3.
- the Kompaktierblech 14 is secured in the region of a rear edge or inlet edge 14b on the support 11, whereas the front edge or outlet edge 14a below Preload the fiber web 2 on the drum 3 presses.
- the compacting device 10 can be pivoted via the joint 12, whereby the position of the support surface or the support line of the Kompaktierbleches 14 is adjusted to the fiber web 2.
- the pressure of the compacting plate 14 can be adapted to the fiber web 2 via the rotation of the compacting device 10 about the joint 12.
- the suspension 13 can be made adjustable.
- the Kompaktierblech 14 may for example be designed from a strip of metal or plastic, which is slightly bent by the pressure of the compacting device 10 and thus resiliently presses on the fiber web 2.
- the free end or the outlet edge 14a of the Kompaktierbleches 14 points in the running direction of the fiber web. 2
- the technical effect of the compacting device 10 is that the fiber web 2 is compacted in a very small space before the solidification by the water bar 4 takes place.
- the system can be made significantly shorter than a compactor with rolls or belts according to the prior art.
- Another advantage is that the compaction creates a densification of the fibers just before solidification by the water jets, which prevents blurring of the individual fibers, which ultimately leads to a better nonwoven product.
- Essential for the invention is the compacting close to the water jet 6, which prevents the fiber web 2 is sucked in larger areas in front of the row of water jets 6 and by the negative pressure in the suction pipe 3c in the drum 3 in the production direction and deforms the web becomes. It can create transverse waves in the fleece and longitudinal stripes with uneven intake. At the same time, the strength of the fibrous web 2 in the longitudinal direction may increase, whereas the strength of the fibrous web 2 in the transverse direction remains the same.
- a change in the MD / CD ratio occurs in both directions, ie, for example, increases in the longitudinal direction, but decreases in the transverse direction, or vice versa.
- the Kompaktierblech 14 can by the Kompaktier sign shortly before solidification by the Water jets increase the strength in the longitudinal direction of the fiber web 2, since the outlet edge 14a only slides over the surface of the fiber web 2. By contrast, no change in the orientation of the fibers takes place over the entire cross section of the fiber web 2.
- Another advantage results from the fact that the disadvantageous longitudinal strips or longitudinal structures are prevented by the Kompaktierblech, since the fiber web 2 is pressed in the longitudinal direction of the drum 3 on the drum 3 and only the portion or strip between the Kompaktierblech 14 and the water jets stretched and the fibers are entangled with each other.
- FIG. 1a shows an enlarged view of the solidification region without the suction tube 3c arranged in the drum.
- the bore 3a has an inlet region 3b, which is arranged in front of the water jet 6 in the running direction of the fiber web 2.
- the bore 3b of the suction slot 3a is wedge-shaped, so that the suction force increases only slowly by the negative pressure in the suction slot and the unconsolidated web slowly compressed without moving the fibers by suction.
- the outlet edge 14a of the compacting plate 14 is arranged close to the water jet 6 and at least partially conceals the inlet region 3b.
- the fiber web 2 is pressed by the Kompaktierblech 14 along the longitudinal axis of the drum 3 on the drum 3. Only the fibers, which are arranged in the region of the bore 3a and the inlet region 3b, are entangled with each other. Only small areas of the fiber web 2, which are located in the region of the inlet region 3b, are drawn into the bore 3a by the negative pressure of the suction.
- the distance of Kompaktierbleches 14 with its outlet edge 14a of the water jet 6 can be reduced to 0.1 mm, so that very targeted partial hydroentanglement can be achieved without stretching the fiber web 2 in the region of the suction slot 3a.
- the Kompaktierblech 14 can be arranged with its outlet edge 14a but also with a greater distance to the water jet 6 on the drum 3 or a band. The advantage is then in the space-saving arrangement of the compacting device according to the invention, wherein the strength of the fibrous web can be higher due to the design with the Kompaktierblech.
- FIGS. 2a to 2f show various embodiments of a compacting plate 14, wherein in the simplest embodiment according to FIG. 2f, the compacting plate 14 has a straight outlet edge 14a.
- the outlet edge 14a of Kompaktierbleches 14 is provided with a rotatable roller 20, which indeed builds up a linear pressure on the fiber web, but unrolls on the surface of the fiber web, so that an influence on the MD / CD ratio is minimized.
- the Kompaktierblech 14 is designed with its outlet edge 14a that it slides over the fiber web and thereby aligns the fibers as desired - depending on the pressure - in the longitudinal direction or running direction on the surface.
- the Kompaktierblech 14 of Figure 2b has at its outlet edge 14a a flange 14c, which can accommodate or secure a sliding member 21.
- the sliding member 21 may be formed as a round rod or strip and, for example, made of Teflon or other very lubricious plastic.
- the sliding element 21 may preferably extend over the entire length of the Kompaktierbleches 14, but of course only in sections.
- the Kompaktierblech 14 at the round outlet edge 14a has a large radius, which acts as a rounded support and slides particularly gently on the fiber web 2. The orientation of the fibers on the surface of the fiber web 2 is thus reduced.
- the opposite is achieved with the execution of a Kompaktierbleches 14 of Figure 2d.
- the discharge edge 14a acting on the fiber web has been made very sharp-edged so that the orientation of the fibers on the surface of the fiber web 2 is maximized.
- a Kompaktierblech 14 is shown with a rectangular cross section at the outlet edge 14a, in which the edges were only slightly rounded.
- the Kompaktierblech is designed very thin and straight in the relaxed state, as in Figure 2f, so that it bends in the region of the support surface. It thus acts due to the bending of the sheet an area on the fiber web 2, and no line.
- the Kompaktierblech 14 may also be pre-bent, so that you can work with less pressure but a larger area.
- the Kompaktierblech can be performed in a thickness of 0.1 to 3 mm, preferably in a thickness of 0.15 to 0.5 mm, depending on the spring action of the pressure can be adjusted.
- materials normal sheet metal, stainless steel sheets, spring steel sheets, flexible or rigid plastic strips can be used.
- the Kompaktierbleche 14 may, in order to reduce the friction with the fiber web and take as little influence on the MD / CD ratio, for example, be provided with Teflon or a nano-coating.
- FIG. 2g shows a plan view of a compacting plate 14, in which the outlet edge 14a does not run in a straight line as in FIGS. 2a to 2e, but in a wave form.
- the advantage is that the outlet edge 14a receives a higher stability, since in the region of the bore 3a and the inlet region 3b, the outlet edge 14a is not partially bent or deformed by the suction, especially with thin sheets.
- a Kompaktierblech achieves a similar effect with a coarse toothing.
- the embodiment according to FIG. 2h can also be seen, in which at least the outlet edge 14a of the compacting plate 14 has holes 14d or a perforation through which air can flow. Also this Kompaktierblech will not deform significantly in the area of the bore 3a at a strong suction.
- the holes 14d may have a diameter in the millimeter range, for example from 0.5 to 3 mm, but they can also be made significantly finer, this is then referred to as Microperfor ist.
- the arrangement and size of the bores 14d can be used to influence the fiber quality and the surface. In the embodiment according to FIG.
- the compacting device 10 is equipped with a pressure device 16, which presses the carrier 11 with the compacting plate 14 onto the fiber web 2.
- the pressing device 16 is shown symbolically in this figure as a spring. It may consist of a hydraulic or pneumatic cylinder, or be designed spring-loaded.
- the Kompaktierblech 14 is arranged with its rear edge 14 b below the carrier 11 by means of a fastening 15. As in the exemplary embodiment of FIG. 1, the position of the support surface or contact edge of the discharge edge 14a can be adjusted via the joint 12, but in addition the force, which acts on the fiber web 2 by the Kompaktierblech 14 is slightly bent.
- an endless belt 7 is arranged in the solidification installation 1, on which the fiber web 2 is solidified by means of water jets 6.
- the endless belt 7 may be designed as a wire belt to dissipate the water quickly.
- a suction pipe 3c is shown as a rectangular box in the region of the nozzle, which also has at least one suction slot 3d.
- the Kompaktierblech 14 is disposed directly on the water bar 4 and fixed. The fastening 15 in the region of the rear edge 14b can take place on a lateral wall of the water bar 4, or naturally also on the lower surface in the region of the nozzles 6.
- the outlet edge 14a can be aligned very well with the water jet 6 .
- the lateral fastening 15 on the water bar 4 may, inter alia, also have a height adjustability, so that the pressure on the fiber web 2 can be adjusted via the spring effect of the bent compacting plate.
- the arrangement directly on the water bar is a space-saving solution, in which all previously listed adjustability, at a distance or in height or at an angle, can also be realized.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013101431.3A DE102013101431B4 (de) | 2013-02-13 | 2013-02-13 | Vorrichtung und Verfahren zum hydrodynamischen Verfestigen von Vliesen, Geweben und Gewirken |
PCT/EP2013/002771 WO2014124655A1 (de) | 2013-02-13 | 2013-09-13 | Vorrichtung und verfahren zum hydrodynamischen verfestigen von vliesen, geweben und gewirken |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2956578A1 true EP2956578A1 (de) | 2015-12-23 |
EP2956578B1 EP2956578B1 (de) | 2018-04-25 |
Family
ID=49226115
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13765647.6A Active EP2956578B1 (de) | 2013-02-13 | 2013-09-13 | Vorrichtung und verfahren zum hydrodynamischen verfestigen von vliesen, geweben und gewirken |
Country Status (7)
Country | Link |
---|---|
US (1) | US20160002836A1 (de) |
EP (1) | EP2956578B1 (de) |
JP (1) | JP2016503841A (de) |
CN (1) | CN105008606B (de) |
DE (1) | DE102013101431B4 (de) |
RU (1) | RU2015138779A (de) |
WO (1) | WO2014124655A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015111340A1 (de) * | 2015-07-14 | 2017-01-19 | TRüTZSCHLER GMBH & CO. KG | Anlage und Verfahren zur Herstellung eines mehrschichtigen Vlieses aus mindestens einem unverfestigtem Faserflor |
DE102017129220A1 (de) * | 2017-12-08 | 2019-06-13 | TRüTZSCHLER GMBH & CO. KG | Vorrichtung zum hydrodynamischen Verfestigen von Vliesen, Geweben oder Gewirken |
DE202018107163U1 (de) * | 2018-12-14 | 2020-03-13 | Autefa Solutions Germany Gmbh | Strahlsaugkasten |
CN114262990B (zh) * | 2021-12-28 | 2022-11-22 | 郑州纺机自控设备股份有限公司 | 一种水刺非织造布成套设备 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236718A (en) * | 1958-07-15 | 1966-02-22 | Samcoe Holding Corp | Method of treating webs and product resulting therefrom |
US3810280A (en) * | 1971-02-16 | 1974-05-14 | R Walton | Method and apparatus for longitudinal compressive treatment of flexible material |
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DE10006763A1 (de) * | 2000-02-15 | 2001-08-16 | Fleissner Gerold | Vorrichtung zum hydrodynamischen Beaufschlagen der Fasern einer Faserbahn mit einem Fluid |
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JP5787236B2 (ja) * | 2009-04-08 | 2015-09-30 | トリュッツシュラー ノンヴォーフェンス ゲーエムベーハー | ファイバウェブを圧縮するための装置 |
DE102009032343A1 (de) * | 2009-07-09 | 2011-01-20 | Fleissner Gmbh Und Co. | Vorrichtung zum Verfestigen einer Materialbahn |
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2013
- 2013-02-13 DE DE102013101431.3A patent/DE102013101431B4/de not_active Expired - Fee Related
- 2013-09-13 US US14/767,201 patent/US20160002836A1/en not_active Abandoned
- 2013-09-13 JP JP2015551989A patent/JP2016503841A/ja not_active Withdrawn
- 2013-09-13 WO PCT/EP2013/002771 patent/WO2014124655A1/de active Application Filing
- 2013-09-13 EP EP13765647.6A patent/EP2956578B1/de active Active
- 2013-09-13 RU RU2015138779A patent/RU2015138779A/ru unknown
- 2013-09-13 CN CN201380072551.2A patent/CN105008606B/zh active Active
Non-Patent Citations (2)
Title |
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None * |
See also references of WO2014124655A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN105008606B (zh) | 2017-08-25 |
US20160002836A1 (en) | 2016-01-07 |
DE102013101431B4 (de) | 2016-06-23 |
EP2956578B1 (de) | 2018-04-25 |
CN105008606A (zh) | 2015-10-28 |
RU2015138779A (ru) | 2017-03-20 |
DE102013101431A1 (de) | 2014-08-14 |
WO2014124655A1 (de) | 2014-08-21 |
JP2016503841A (ja) | 2016-02-08 |
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