EP2106477B1 - Ruban tissu pour une machine destinee a la fabrication de materiaux en bande, en particulier de papier ou de carton - Google Patents

Ruban tissu pour une machine destinee a la fabrication de materiaux en bande, en particulier de papier ou de carton Download PDF

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Publication number
EP2106477B1
EP2106477B1 EP07847940.9A EP07847940A EP2106477B1 EP 2106477 B1 EP2106477 B1 EP 2106477B1 EP 07847940 A EP07847940 A EP 07847940A EP 2106477 B1 EP2106477 B1 EP 2106477B1
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EP
European Patent Office
Prior art keywords
threads
fabric layer
fabric
weft
warp
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Revoked
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EP07847940.9A
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German (de)
English (en)
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EP2106477A1 (fr
Inventor
Johann Boeck
Matthias Hoehsl
Petra Hack-Ueberall
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Voith Patent GmbH
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Voith Patent GmbH
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Priority claimed from DE102006059482A external-priority patent/DE102006059482A1/de
Priority claimed from DE102007058369A external-priority patent/DE102007058369A1/de
Application filed by Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP2106477A1 publication Critical patent/EP2106477A1/fr
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0036—Multi-layer screen-cloths

Definitions

  • the present invention relates to a fabric tape for a machine for producing web material, in particular paper or cardboard.
  • a fabric tape can be used, for example, in a forming section as a forming fabric.
  • EP 0 432 413 A1 is a composite fabric for machine wires known in which one above the other two fabric layers are provided with two layers each directly superimposed transverse threads.
  • the number of transverse threads of the paper side layer corresponds to the number of transverse threads of the machine side or running side layer.
  • extending threads are integrated into the two layers of fabric and change at points of intersection between the two layers of fabric to make a structural connection between them.
  • the WO 2006/020414 A1 discloses a fabric for a paper machine with two superimposed layers of fabric with warp threads and weft threads.
  • the number of weft threads in the paper side fabric layer is twice as large as the Number of weft threads in the running side or machine side fabric layer.
  • the WO 2004/085740 A2 discloses a fabric tape for a paper machine in which the connection between two layers of fabric by in this structurally involved and at intersection points between the fabric layers changing warp threads takes place.
  • the fabric layers further comprise respective layers of weft yarns, wherein the number of weft yarns in the paper-side fabric layer is again twice as large as the number of weft yarns in the running fabric layer.
  • a fabric tape for a machine for producing web material, in particular paper or cardboard comprising a web material contact side providing first fabric layer with warp and weft threads and a lying under the first fabric layer second fabric layer with warp and weft threads, wherein the ratio the number of warp threads of the first fabric layer to the number of warp threads of the second fabric layer is greater than 1, viewed in the direction of the course of the weft threads, the warp threads of the first fabric layer are offset relative to the warp threads of the second fabric layer and wherein the warp ratio is not an integer is.
  • a warp ratio which is not an integer and greater than 1 By selecting a warp ratio which is not an integer and greater than 1 according to the invention, a higher warp denier density is present on the web material contact side of the fabric web, with the result that a denser fabric structure with a larger number of bend points of the weft threads per Area unit is present. The marking tendency can thus be significantly reduced.
  • the warp thread density is lower, so that especially when this second fabric layer provides the machine contact side, by appropriate thread selection the requirements occurring there can be taken into account.
  • the warp threads of the first fabric layer are offset relative to the warp threads of the second fabric layer, hydraulic marking in the paper web due to locally greatly differing dewatering performance is avoided.
  • the dewatering performance is considered across the width of the fabric strip comparatively.
  • a warp ratio not greater than 1.5 has been found to be very advantageous.
  • the ratio of the number of weft threads of the first fabric layer to the number of weft threads of the second fabric layer is greater than 1, in particular 1.5 or 2.
  • the first fabric layer and the second fabric layer are connected to each other by binding threads, wherein in particular the binding threads are arranged in pairs, the binding threads of a pair when interweaving with threads of the first and second fabric layers alternate and the binding threads of a pair when changing from weaving with Cross threads of the first fabric layer for interweaving with threads of the second fabric layer and vice versa to form intersections.
  • the other binder thread of the pair interweaves with weaves at least one thread of the second fabric layer and while a binder thread of the binder thread pair with at least one thread of the second fabric layer, weaves the other binder thread of the pair with threads of the first fabric layer, wherein the binding threads of the pair when changing from weaving with threads of the first fabric layer to Interweaving intersect with threads of the second fabric layer and these intersection points are preferably arranged between the first and the second fabric layer.
  • the binding threads of a pair alternate with each other during interweaving with the threads of the first fabric layer so that they weave together in the first fabric layer a common weaving path.
  • a concrete embodiment of the invention provides that repeats the weave pattern of the fabric tape insolrapporten, wherein form the binding threads of each pair of binder thread two intersections within the Bacrapports.
  • an advantageous development of the invention provides that not all crossing points within the repeat can be arranged on a parallel line of straight lines.
  • weft threads of the fabric band are binding weft threads, which produce a connection between the first fabric layer and the second fabric layer.
  • a warp thread should generally be understood as meaning a first warp thread, which is only incorporated into the first fabric layer.
  • a first weft thread is to be understood as a weft thread which is integrated only in the first fabric layer.
  • a second warp thread is furthermore to be understood as meaning a warp thread which is integrated into the second fabric layer only, as a weft thread is to be understood as a weft thread which is integrated only in the second fabric layer.
  • the binding weft threads structure-forming and an integral part of the first fabric layer.
  • part of the weft threads of the first fabric layer are first weft threads
  • another part of the weft threads of the first fabric layer are the binding weft threads
  • all the warp threads of the first fabric layer are first warp threads.
  • the first fabric layer is formed by interweaving the first warp yarns with the first weft yarns and with the binder weft yarns, wherein the first fabric layer is bonded to the second fabric layer by interweaving the binder weft yarns with the first warp yarns and second warp yarns ,
  • the weaving pattern formed by interweaving the first warp yarns with the first weft yarns is continued.
  • the first fabric layer forms a plain weave.
  • all of the weft threads of the second fabric layer are second, i. Only in the second fabric layer integrated weft threads and all warp threads of the second fabric layer second only in the second fabric layer incorporated warp threads.
  • the second fabric layer is formed by interweaving the second warp yarns with the second weft yarns and the first fabric layer is bonded to the second fabric layer by interweaving the binder weft yarns with first and second warp yarns.
  • the weaving pattern formed by interweaving the second warp yarns with the second weft yarns is not continued by the mutually alternating weaving of the binding weft yarns with the second warp yarns, i. the binding weft threads are not an integral part of the second fabric layer.
  • the second warp threads each interweaves Binding thread of a pair between two successive crossing points on the outside of the second fabric layer running a second warp or two consecutive second warp threads. If the binding weft thread crosses two second warp threads, the force for binding the first to the second fabric layer per binding thread is distributed over two second warp threads. As a result, the respectively setting second warp thread is drawn less to the first fabric layer.
  • the outside of the second fabric layer is to be understood as meaning the side of the second fabric layer that is exposed, i. the side of the second fabric layer which provides the running side or machine contact side of the fabric tape.
  • a specific embodiment of the invention provides that the weave pattern of the second fabric layer comprises four or eight second warp threads.
  • the weave pattern of the second fabric layer is repeated in reports which are each formed by four second weft threads and four second warp threads, wherein each second weft thread continuously crosses three successive second warp threads on the outside of the second fabric layer, before this between the first and the second fabric layer continuously crosses a second warp thread.
  • the weave pattern of the second fabric layer is repeated in repeats which are each formed by eight second weft threads and eight second warp threads, each second weft thread continuously crossing seven successive second warp threads on the outside of the second fabric layer, before it intersects between the first and the second fabric layer continuously crosses a second warp thread.
  • a further concrete embodiment of the invention provides that the respective first warp threads interweaving binding weft thread of a pair between two successive The following intersections on the outside of the first fabric layer continuously crosses at least two first warp threads.
  • first of the two binding weft threads of a pair between successive crossing points on the outside of the first fabric layer continuously crosses the same number of first warp threads as the second binding thread of the pair when weaving the first fabric layer.
  • the outer side of the first fabric layer is to be understood as the side of the first fabric layer which is exposed, i. the side of the first fabric layer which provides the paper side or web material contact side of the fabric tape.
  • first of the two binding weft threads of a pair between successive crossing points on the outside of the first fabric layer continuously crosses a different number of first warp threads than the second binding weft thread of the pair when weaving the first fabric layer.
  • first weft threads or weft threads and / or one or two second weft threads or weft threads are or are arranged between adjacent pairs of binding weft threads.
  • Fabric layer is in particular greater than or equal to 1.5 and that the cross-sectional area of the second weft threads, ie the weft threads which are interwoven with the warp threads of the second fabric layer, in the range of 0.018 mm 2 to 0.284 mm 2 , preferably 0.023 mm 2 to 0.197 mm 2 , is most preferably greater than 0.1256mm 2 .
  • the cross-sectional area of the second weft threads ie the weft threads which are interwoven with the warp threads of the second fabric layer, in the range of 0.018 mm 2 to 0.284 mm 2 , preferably 0.023 mm 2 to 0.197 mm 2 , is most preferably greater than 0.1256mm 2 .
  • a further concrete embodiment of the invention provides that the ratio of the number of warp threads of the first fabric layer to the number of warp threads of the second fabric layer is in particular greater than or equal to 1.5 and that the cross-sectional area of the first warp threads is less than or equal to 0.018 mm 2 , preferably is less than or equal to 0.011 mm 2 , most preferably less than or equal to 0.008 mm 2 . In this way, a particularly fine and mark-free paper-side first fabric layer can be provided.
  • the first warp threads may have a smaller cross-sectional dimension than the second warp threads. Furthermore, it is conceivable that the first weft threads have a smaller cross-sectional dimension than the second weft threads. to provide a uniform paper side, in particular in conjunction with a plain weave of the first fabric layer, it makes sense if the first weft threads have a substantially same cross-sectional dimension as the first warp threads.
  • the second weft threads have a larger cross-sectional dimension than the second warp threads.
  • the density of the first warp threads in the first fabric layer is 25 per cm or more, preferably 30 per cm or more, more preferably 40 per cm or more, and / or the density of the first weft threads in the first fabric layer is 25 per cm or more, preferably 30 per cm or more, particularly preferably 40 per cm or more.
  • a chain-bound system instead of a shot-tied system, a chain-bound system can be provided.
  • the warp threads are binding warp threads which establish a connection between the first fabric layer and the second fabric layer.
  • one part of the warp threads of the first fabric layer may be first warp threads
  • another part of the warp threads of the first fabric layer the binder warp threads and all weft threads of the first fabric layer may be first weft threads
  • the first fabric layer is formed by interweaving the first weft threads with the first warp threads and is formed with the binding warp threads and the first fabric layer is connected to the second fabric layer in that the binding warp threads are interwoven with first and second weft threads.
  • the weave pattern formed by interweaving the first warp yarns with the first weft yarns is continued by mutually interweaving the binder warp yarns with the first weft yarns.
  • the first fabric layer preferably forms a plain weave.
  • binding threads are not an integral part of the second fabric layers, then all warp threads of the second fabric layer are second warp threads and all weft threads of the second fabric layer are second weft threads, the second fabric layer being formed by interweaving the second weft threads with the second warp threads and the first fabric layer with the second Fabric layer is connected by the binding warp threads with first and second weft threads are interwoven.
  • a third fabric layer may be provided, which provides a machine contact side. It can also be provided that the number of warp threads of the first fabric layer is greater than the number of warp threads of the third fabric layer.
  • the warp yarns may be oriented to extend in a belt longitudinal direction, with the weft yarns then extending in a belt transverse direction providing a connection between the first fabric layer and the second fabric layer.
  • the fabric tape according to the invention preferably finds use as a forming fabric in a former of a paper machine which produces printable papers, in particular SC, LWC or Newsprint.
  • the forming fabric is preferably used in a lower wire position of the former, in particular Gappformers or Langsiebformers or Hybridformers.
  • the forming fabric according to the invention Due to the high abrasion resistance of the forming fabric according to the invention, it can be used to advantage in paper machines, which operate at a machine speed of 1800m / min or more, especially 2000m / min or more.
  • the Fig. 1 shows in principle a representation of a section of a generally designated 100 fabric tape for the production of web material, such as paper or the like, said fabric tape 100 can be used for example or advantageously as a forming fabric.
  • the fabric tape 100 comprises two fabric layers 101, 102, wherein the first fabric layer 101 at the in Fig. 1 upper side, which is the outside of the first fabric layer 101, a BrumaterialKeyseite 103 provides. With this web material contact side 103, the web material to be produced, for example paper, comes into direct contact.
  • the lower or second fabric layer 102 provides a machine contact side 104. With this machine contact side 104, the fabric belt 100 comes in contact with the various of these leading, driving and deflecting rollers of a machine for producing web material.
  • Fig. 1 One recognizes in Fig. 1 in that the first fabric layer 101, which provides the web material contact side 103, is constructed with warp threads OK, while the second fabric layer 102 is likewise constructed with warp threads UK. Between the warp threads OK of the first fabric layer 101 and the warp threads UK of the second fabric layer 102 is in the in Fig. 1 Example shown a Kettiety of 3: 2. This means that the number of warp threads OK of the first fabric layer 101 in the fabric tape 100, for example based on a weave repeat or also based on the entire fabric tape, is 1.5 times greater than the number of warp threads UK of the second fabric layer 102 This warp ratio, which is greater than 1 but not greater than 1.5 and not an integer, has several advantages.
  • Fig. 1 recognizable fabric layers 101, 102 or the warp yarns OK, UK thereof may be interwoven with weft threads, on the one hand in the respective fabric layers, in particular the fabric layer 101, structurally integrated, for example, to create a plain weave there, but on the other hand also switch between the fabric layers 101, 102 and realize in this way a firm connection of the two fabric layers.
  • fabric tape 100 is a weft-bonded fabric, ie, the first fabric layer 101 is connected to the second fabric layer by binding weft threads.
  • the warp threads OK of the first fabric layer 101 are first warp threads, ie warp threads, which are integrated only in the first fabric layer. Furthermore, in all Figures 3-8 the warp threads UK of the second fabric layer 102 second warp threads, ie warp threads, which are integrated only in the second fabric layer.
  • the weft threads present in a weave repeat are arranged one above the other in pairs, with a pair of weft threads exclusively bound into the upper fabric layer 101 or the lower fabric layer 102 alternating with a pair of weft threads woven into the two fabric layers 101, 102 However, at intersections, they switch between them in order not only to structure-forming, but also to connect the two fabric layers 101 102 with each other.
  • the weft US1 is integrated only in the fabric layer 102, in such a way that it comparatively long floats at the Outside, so the running side has to provide the highest possible wear volume here.
  • weft threads B1 and B2 change between the first fabric layer 101 and the second fabric layer 102.
  • the two weft threads B1, B2 in the fabric layer 101 actually form a single weft thread, which again bonds in the manner of a plain weave with the local warp threads OK.
  • This is followed again by a pair of weft threads OS2, US2 of which the weft thread OS2 binds identically, like the first-mentioned weft thread OS1, while the weft thread US2 sets over other warp threads UK of the fabric layer 102.
  • Kettrus are characterized by the fact that they are greater than 1, but not greater than 1.5 and continue to be not an integer.
  • An advantage of this Kettschreib is that so that a very low fabric thickness can be obtained, at the same time a very good drainage and a low water drag effect is guaranteed with low void volume.
  • the weave pattern of the second fabric layer 102 is repeated in repeats which are respectively formed by five second weft threads, for example US1-US5 and five second warp threads, for example, 2, 4, 7, 9, 12 and 14.
  • each second weft threads US1-US5 on the outside of the second fabric layer 102 continuously crosses four each other following second warp threads before it crosses between the first fabric layer 101 and the second fabric layer 102 continuously a second warp thread.
  • the weave pattern of the fabric tape 100 is repeated in total repeats, wherein within the overall repeat the binding threads B1-B20 of each pair of binder yarns are more than two, i. form six intersections X in the specific case.
  • the binding thread pair B1, B2 forms the intersections X1-X6 within the repeat of the fabric band 100.
  • the warp threads of the first fabric layer 101 are offset relative to the warp threads of the second fabric layer 102.
  • the ratio of the number of weft threads of the first fabric layer 101, i. first weft threads OS1-OS10 and binding weft pairs, the number of weft threads of the second fabric layer 102, i. second weft threads US1-US10 are greater than 1. This implies that each pair of binder weft yarn weaves together with the first warp yarns a weaving path corresponding to the weaving path of a first weft yarn, i. the binding weft threads are an integral part of the first fabric layer 101, whereas the binding weft threads are not part of the second fabric layer 102.
  • the ratio of the number of weft threads of the first fabric layer 101 to the number of wefts of the second fabric layer 102 is 2.0.
  • the respective first warp threads 1, 3, 5, 6, 8, 10, 11, 13, 15, 16, 18, 20, 21, 23, 25, 26, 28, 30, 31, 33, 35, 36 38, 40, 41, 43, 45, 46, 48, 50 Woven binding weft threads B1-B20 of a pair between two successive crossing points X on the outside of the first fabric layer 101 are running either two or three first warp threads.
  • the respective second warp yarns 2, 4, 7, 9, 12, 14, 17, 19, 22, 24, 27, 29, 32, 34, 37, 39, 42, 44, 47, 49 intersect between weaving yarns of each pair two successive crossing points X on the outside of the second fabric layer 102 continuously only a second warp thread.
  • twine weave B1 interweaving the second warp threads B1 of the pair B1, B2 between the two successive crossing points X1, X2 on the outside of the second fabric layer 102 continuously crosses the first warp thread 12.
  • a first weft thread OS1-OS10 and a second weft thread US1-US10 are arranged between adjacent pairs of binding thread threads B1-B20.
  • the first weft thread OS2 and the second weft thread US2 are arranged.
  • FIG. 2 An alternative embodiment is in Fig. 2 shown. It can be seen here that the fabric band 100 is again constructed with the two fabric layers 101 and 102, whereby now however the ratio of the warp yarns OK of the first fabric layer 101 to the warp threads UK of the second fabric layer 102 corresponds to 5: 2. This makes it possible to use for the running side fabric layer 102 even thicker and thus more wear-resistant warp threads UK. This results in that the mass of the warp threads UK of the fabric layer 102 in relation to the mass of the warp threads UK of the first fabric layer 101 is significantly larger, resulting in a very smooth-running design.
  • weft threads with a cross-sectional area greater than 0.1256 mm 2 . This applies in particular to the weft threads woven together primarily with the warp threads OK of the first fabric layer 101, which also provide the required strength at the Ensure machine contact side.
  • the principles of the invention can also find application in a fabric tape having more than two layers of fabric.
  • a third fabric layer (not shown in the figures) may be present, which then provides the machine contact side, so that the second fabric layer 102 shown in the figures is a middle fabric layer.
  • the number of warp threads of the web material side fabric layer 101 may be greater, so that even between the web material side fabric layer and the running side fabric layer a warp ratio of greater than 1 is present.
  • the warp threads run in a band longitudinal direction, while the weft threads run in a band transverse direction.
  • the warp threads run in a band longitudinal direction, while the weft threads run in a band transverse direction.
  • FIG. 4 shows the weft paths for a complete binding repeat of a second embodiment of a fabric belt 100 with the in Fig. 1 shown warp ratio 3: 2.
  • the fabric tape 100 has a first fabric layer 101 and a second fabric layer 102.
  • the first fabric layer 101 and the second fabric layer 102 are connected to each other by binding threads B1-B8.
  • the binding threads are binding wefts and arranged in pairs.
  • the binding threads B1-B8 of a pair for example B1, B2 or B3, B4 or B5, B6 alternate during interweaving with threads of the first fabric layer 101 and the second fabric layer 102.
  • the binding threads of a pair intersect when interweaving interweaving with threads of the first fabric layer 101 for interweaving with threads of the second fabric layer 102 and vice versa cross to form intersections X.
  • the first fabric layer 101 is formed by interweaving first warp yarns 1,3,5,8,10,11,13,15,16,18 and 20 with first weft yarns OS1-OS8 and with the binding wefts B1-B8.
  • first weft threads OS1-OS8 part of the weft threads of the first fabric layer 101 are first weft threads OS1-OS8, another part of the weft threads of the first fabric layer 101 are the binding wefts B1-B8, and all the warp threads of the first fabric layer 101 are first warp yarns 1,3,5,8 , 10,11,13,15,16,18 and 20.
  • first warp yarns and the first weft yarns only contribute to the interweaving of the first fabric layer 101 and thus are only incorporated into the first fabric layer 101, i. the first warp yarns and the first weft yarns do not contribute to forming the second fabric layer 102.
  • the binding threads of a pair when interweaving with threads of the first fabric layer 101 alternately from each other so that they weave together a common Web path.
  • the binding threads in the first fabric layer 101 are pattern-forming.
  • the first fabric layer 101 forms a plain weave.
  • the second fabric layer 102 is formed by interweaving second warp yarns 2,4,7,9,12,14,17 and 19 with second weft yarns US1-US8.
  • all the weft threads of the second fabric layer 102 are second weft threads US1-US8 and all the warp threads of the second fabric layer 102 are second warp threads 2,4,7,9,12,14,17 and 19.
  • the first fabric layer 101 is with the second fabric layer 102 connected by the binding wefts B1-B8 with the first warp yarns 1,3,5,8,10,11,13,15,16,18 and 20 and with the second warp yarns 2,4,7,9,12,14 , 17 and 19 are interwoven.
  • the second warp yarns and the second weft yarns only contribute to weaving the second fabric layer 101, i. the second warp yarns and the second weft yarns do not contribute to forming the first fabric layer 102.
  • the weave pattern of the second fabric layer 102 is repeated in repeats which are respectively formed by eight second weft threads US1-US8 and eight second warp threads 2,4,7,9,12,14,17 and 19.
  • every second weft thread US1-US8 continuously crosses on the outside of the second fabric layer 102 seven consecutive second warp threads before it continuously crosses a second warp thread between the first fabric layer 101 and the second fabric layer 102.
  • the weave pattern of the fabric tape 100 is repeated in total repeats, wherein within the overall repeat the binding threads B1-B8 of each pair of binder yarns form two intersections X.
  • the binder thread pair B1, B2 forms the intersections X1 and X2 within the repeat of the fabric band 100.
  • the ratio is 1.5.
  • the warp threads of the first fabric layer 101 i. present, the first warp yarns 1,3,5,8,10,11,13,15,16,18 and 20, relative to the warp yarns of the second fabric layer 102, i. in the present case, the second warp threads 2,4,7,9,12,14,17 and 19, arranged offset.
  • the ratio of the number of weft threads of the first fabric layer 101 to the number of weft threads of the second fabric layer 102 is 1.5.
  • the respective first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1-B8 of each pair between two consecutive crossing points X on the outside of the first fabric layer 101 continuously cross at least two first warp threads.
  • the respective first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1-B8 of a pair between two consecutive crossing points X on the outside of the first fabric layer 101 ie an odd number, first warp yarns, wherein the middle one of the three first warp yarns forms an intersection of an immediately adjacent pair of binder yarns.
  • the respective first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1 of the pair B1, B2 between two consecutive crossing points X1, X2 on the outside of the first fabric layer 101 running the first three warp threads 6, 8 and 10, wherein the middle one of the three first warp threads, namely, the first warp 10, a crossing point X4 and X7 of the two immediately adjacent pairs of binding wefts B3, B4 and B7, B8 forms.
  • each binder thread of each pair of binder threads between two successive crossing points on the outside of the first fabric layer continuously crosses the same number of first warp threads; in the specific case three first warp threads.
  • the respectively second warp threads 2, 4, 7, 9, 12, 14, 17 and 19 interweave bonding threads of each pair between two consecutive crossing points X on the outside of the second fabric layer 102 continuously crosses two successive second warp threads 2, 4, 7 9,12,14,17 and 19.
  • twine threads B2 of the pair B1, B2 weaving in each case between the two successive crossing points X1, X2 on the outside of the second fabric layer 102 continuously crosses the two successive warp threads 9 and 12.
  • two first weft threads OS1-OS8 and two second weft threads US1-US8 are arranged between adjacent pairs of binding weft threads B1-B8.
  • the two first weft threads OS3, OS4 and the two second weft threads US3, US4 are arranged between the adjacent pairs B12, B2 and B3, B4.
  • FIG. 5 shows the weft courses for a complete binding repeat of a third embodiment of a fabric tape 100 with the in Fig. 1 shown warp ratio 3: 2.
  • the fabric tape 100 has a first fabric layer 101 and a second fabric layer 102.
  • the first fabric layer 101 and the second fabric layer 102 are connected to each other by binding threads B1-B16.
  • the binding threads are binding wefts and arranged in pairs.
  • the binding threads B1-B16 of a pair for example B1, B2 or B3, B4 or B5, B6 alternate during interweaving with threads of the first fabric layer 101 and the second fabric layer 102.
  • the binding threads of a pair intersect when interlaced from weaving with threads of the first fabric layer 101 to weave with threads of the second fabric layer 102 and, conversely, intersect to form intersections X1-X16.
  • the first fabric layer 101 is formed by interweaving first warp yarns 1,3,5,8,10,11,13,15,16,18 and 20 with first weft yarns OS1-OS8 and with the binder wefts B1-B16.
  • first weft threads OS1-OS8 part of the weft threads of the first fabric layer 101 are first weft threads OS1-OS8, another part of the weft threads of the first fabric layer 101 are the binding wefts B1-B16
  • all the warp threads of the first fabric layer 101 are first warp yarns 1,3,5,8 , 10,11,13,15,16,18 and 20.
  • first warp yarns and the first weft yarns only contribute to the interweaving of the first fabric layer 101, i. the first warp yarns and the first weft yarns do not contribute to forming the second fabric layer 102.
  • the binding threads of a pair when interweaving with threads of the first fabric layer 101 alternately from each other so that they weave together a common Web path.
  • the second fabric layer 102 is formed by interweaving second warp yarns 2,4,7,9,12,14,17 and 19 with second weft yarns US1-US8.
  • all the weft threads of the second fabric layer 102 are second weft threads US1-US8 and all warp threads of the second fabric layer 102 second warp threads 2,4,7,9,12,14,17 and 19.
  • the first fabric layer 101 with the second fabric layer 102 in that the binding weft threads B1-B16 are connected to the first warp threads 1,3,5,8,10,11,13,15,16,18 and 20 and to the second warp threads 2,4,7,9,12, 14,17 and 19 are interwoven.
  • the weave pattern of the second fabric layer 102 is repeated in repeats which are respectively formed by eight second weft threads US1-US8 and eight second warp threads 2,4,7,9,12,14,17 and 19.
  • every second weft thread US1-US8 continuously crosses on the outside of the second fabric layer 102 seven consecutive second warp threads before it continuously crosses a second warp thread between the first fabric layer 101 and the second fabric layer 102.
  • the weave pattern of the fabric tape 100 is repeated in total repeats, wherein the binding threads B1-B16 of each pair of binder yarns form two intersections X within the overall repeat.
  • the binder thread pair B1, B2 forms the intersections X1 and X2 within the repeat of the fabric band 100.
  • the ratio is 1.5.
  • the warp threads are the first
  • Fabric layer 101 i. present, the first warp yarns 1,3,5,8,10,11,13,15,16,18 and 20, relative to the warp yarns of the second fabric layer 102, i. in the present case, the second warp threads 2,4,7,9,12,14,17 and 19, arranged offset.
  • the ratio of the number of weft threads of the first fabric layer 101 to the number of wefts of the second fabric layer 102 is 2.0.
  • first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1-B16 of each pair between two consecutive crossing points X on the outside of the first fabric layer 101 continuously cross at least two first warp threads.
  • first warp yarns 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweaving bonding weft threads B1-B16 of a pair between two successive crossing points X on the outside of the first fabric layer 101 continuously cross three first ones warps.
  • the respective first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1 of the pair B1, B2 between two consecutive crossing points X1, X2 on the outside of the first fabric layer 101 running the first three warp threads 11,15 and 18.
  • crossing points X1-X16 can be arranged within the repeat of the fabric band 100 on a parallel line of straight lines.
  • each binder thread of each pair of binder threads between two successive crossing points X on the outside of the first fabric layer 101 continuously crosses the same number of first warp threads; in the specific case three first warp threads.
  • the respectively second warp threads 2, 4, 7, 9, 12, 14, 17 and 19 interweave bonding threads of each pair between two consecutive crossing points X on the outside of the second fabric layer 102 continuously crosses two successive second warp threads 2, 4, 7 9,12,14,17 and 19.
  • twine threads B2 of the pair B1, B2 weaving in each case between the two successive crossing points X1, X2 on the outside of the second fabric layer 102 continuously crosses the two successive warp threads 4 and 7.
  • a first weft thread OS1-OS8 and a second weft thread US1-US8 are arranged between adjacent pairs of binding weft threads B1-B16.
  • the first weft threads OS2 and the second weft threads US2 are arranged.
  • FIG. 6 shows the weft courses for a complete binding repeat of a third embodiment of a fabric tape 100 with the in Fig. 1 shown warp ratio 3: 2.
  • the fabric tape 100 has a first fabric layer 101 and a second fabric layer 102.
  • the first fabric layer 101 and the second fabric layer 102 are connected to each other by binding threads B1-B16.
  • the binding threads are binding wefts and arranged in pairs.
  • the binding threads B1-B16 of a pair for example, B1, B2 or B3, B4 or change
  • the first fabric layer 101 is formed by interweaving first warp yarns 1,3,5,8,10,11,13,15,16,18 and 20 with first weft yarns OS1-OS8 and with the binder wefts B1-B16.
  • first weft threads OS1-OS8 part of the weft threads of the first fabric layer 101 are first weft threads OS1-OS8, another part of the weft threads of the first fabric layer 101 are the binding wefts B1-B16
  • all the warp threads of the first fabric layer 101 are first warp yarns 1,3,5,8 , 10,11,13,15,16,18 and 20.
  • first warp yarns and the first weft yarns only contribute to the interweaving of the first fabric layer 101, i. the first warp yarns and the first weft yarns do not contribute to forming the second fabric layer 102.
  • the binding threads of a pair when interweaving with threads of the first fabric layer 101 alternately from each other so that they weave together a common Web path.
  • the binding threads in the first fabric layer 101 are pattern-forming.
  • the first fabric layer 101 forms a plain weave.
  • the second fabric layer 102 is formed by interweaving second warp yarns 2,4,7,9,12,14,17 and 19 with second weft yarns US1-US8.
  • all the weft threads of the second fabric layer 102 are second weft threads US1-US8 and all warp threads of the second fabric layer 102 second warp threads 2,4,7,9,12,14,17 and 19.
  • the first fabric layer 101 with the second fabric layer 102 in that the binding weft threads B1-B16 are connected to the first warp threads 1,3,5,8,10,11,13,15,16,18 and 20 and to the second warp threads 2,4,7,9,12, 14,17 and 19 are interwoven.
  • the weave pattern of the second fabric layer 102 is repeated in repeats, which are each formed by four second weft threads US1-US8 and four second warp threads 2,4,7,9,12,14,17 and 19.
  • every second weft thread US1-US8 continuously crosses three successive second warp threads on the outside of the second fabric layer 102 before it continuously crosses a second warp thread between the first fabric layer 101 and the second fabric layer 102.
  • the weave pattern of the fabric tape 100 is repeated in total repeats, wherein the binding threads B1-B16 of each pair of binder yarns form two intersections X within the overall repeat.
  • the binder thread pair B1, B2 forms the intersections X1 and X2 within the repeat of the fabric band 100.
  • the ratio is 1.5.
  • the warp threads of the first fabric layer 101 ie in the present case the first warp threads are 1,3,5,8,10,11,13,15,16,18 and 20, relative to the warp threads of the second fabric layer 102, ie in the present case the second
  • the ratio of the number of weft threads of the first fabric layer 101 to the number of wefts of the second fabric layer 102 is 2.0.
  • first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1-B16 of each pair between two consecutive crossing points X on the outside of the first fabric layer 101 continuously cross at least two first warp threads.
  • first warp yarns 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweaving bonding weft threads B1-B16 of a pair between two successive crossing points X on the outside of the first fabric layer 101 continuously cross three first ones warps.
  • the respective first warp threads 1, 3, 5, 8, 10, 11, 13, 15, 16, 18 and 20 interweave bonding weft threads B1 of the pair B1, B2 between two consecutive crossing points X1, X2 on the outside of the first fabric layer 101 running the first three warp threads 5, 8 and 11.
  • crossing points X1-X16 can be arranged within the repeat of the fabric band 100 on a parallel line of straight lines.
  • each binder thread crosses each pair of binder threads between two successive crossing points X on the outside of the first fabric layer 101 continuously the same number of first warp threads; in the specific case three first warp threads.
  • the first binding yarn B1 of the pair B1, B2 between the two successive crossing points X1, X2 on the outside of the first fabric layer 101 continuously crosses the three first warp yarns 5, 8, 11 and the second binder yarn B2 of the pair B1, B2 crosses between the two two consecutive crossing points X1, X2 on the outside of the first fabric layer 101 running the first three warp threads 1,15,18.
  • each first pair of binder threads is arranged between two second pair of binder threads, as each second pair of binder threads is arranged between two first pair of binder threads.
  • first and second pairs of binder threads are not on the embodiment of FIG. 6 limited, but can be transferred to a variety of configurations of inventive fabric tapes.
  • a first weft thread OS1-OS8 and a second weft thread US1-US8 are arranged between adjacent pairs of binding weft threads B1-B16.
  • the first weft threads OS2 and the second weft threads US2 are arranged.
  • FIG. 7 shows the weft paths for a complete binding repeat of a second embodiment of a fabric belt 100 with the in Fig. 1 shown warp ratio 3: 2.
  • the fabric tape 100 has a first fabric layer 101 and a second fabric layer 102.
  • the first fabric layer 101 and the second fabric layer 102 are connected to each other by binding threads B1-B8.
  • FIG. 7 fabric tape shown differs from that in the FIG. 4 essentially illustrated in that the weave pattern of the second fabric layer 102 is repeated in repeats which are respectively formed by four second weft threads US1-US8 and four second warp threads 2,4,7,9,12,14,17 and 19.
  • every second weft thread US1-US8 continuously crosses three successive second warp threads on the outside of the second fabric layer 102 before it continuously crosses a second warp thread between the first fabric layer 101 and the second fabric layer 102.
  • the two fabric tapes differ in that in which in the FIG. 7 shown fabric strip of each second warp threads 2,4,7,9,12,14,17 and 19 weaving binder yarn of each pair between two successive crossing points X on the outside of the second fabric layer 102 continuously only a second warp 2,4,7,9,12,14,17 and 19 crosses.
  • twine thread B2 weaving the respective second warp threads of the pair B1, B2 between the two successive crossing points X1, X2 continuously crosses the second warp thread 12 on the outside of the second fabric layer 102.
  • FIG. 8 shows the weft paths for a complete binding repeat of a second embodiment of a fabric belt 100 with the in Fig. 1 shown warp ratio 3: 2.
  • the fabric tape 100 has a first fabric layer 101 and a second fabric layer 102.
  • the first fabric layer 101 and the second fabric layer 102 are connected to each other by binding threads B1-B8.
  • fabric tape shown differs from that in the FIG. 7 shown fabric tape essentially in that between adjacent pairs of binding weft threads B1-B16 respectively a first weft thread OS1-OS8 and only a second weft thread US1-US8 is arranged.
  • first weft threads OS2 and the second weft threads US2 are arranged between the adjacent pairs B1, B2 and B3, B4. It follows that the ratio of the number of weft threads of the first fabric layer 101 to the number of weft threads of the second fabric layer 102 is 2.0.
  • a binding thread on the outside of the second fabric layer crosses one or two successive second warp threads 2, 4, 7, 9, 12, 14, 17 and 19, a tying point comprising one or two second warp threads is formed.
  • the distance between two tethers either two consecutive second warp threads (see FIGS. 4 and 5 ) or three successive lower warp threads (see FIGS. 7 and 8th ).
  • the first warp threads may have a smaller cross-sectional dimension than the second warp threads. Furthermore, the first weft threads may have a smaller cross-sectional dimension than the second weft threads. Furthermore, the first weft threads may have a substantially same cross-sectional dimension as the first warp threads. In addition, the second weft threads may have a larger cross-sectional dimension than the second warp threads.
  • the density of the first warp yarns in the first fabric layer 25 may be 25 cm or more, preferably 30 cm or more, more preferably 40 cm or more, such as the density of the first weft yarns in the first fabric layer 25 per cm or more, preferably 30 per cm or more, more preferably 40 per cm or more.
  • the warp threads extend in the longitudinal direction of the fabric band and the weft threads run in the transverse direction of the fabric band.
  • FIG. 9 shows in contrast to those in the Figures 1-8 shown fabric tape 200, in which the first fabric layer 201 is connected to the second fabric layer 202 by pairs of binding warp BK.
  • the binding threads BK of a pair alternate here during weaving with threads of the first and the second fabric layer and intersect when changing from weaving with threads of the first fabric layer 201 for weaving with threads of the second fabric layer 202 and vice versa to form intersections.
  • the binding warp threads BK of a pair alternate with each other during interweaving with the threads of the first fabric layer 201 such that they weave together during weaving of the first fabric layer 201 a common weaving path.
  • the two binding warp threads BK of a pair weave the first fabric layer 201 accordingly as a first warp thread.
  • the weaving pattern formed by interweaving the first warp yarns OK with the first weft yarns is continued.
  • first warp yarns OK one part of the warp yarns of the first fabric layer 201 are first warp yarns OK
  • another part of the warp yarns of the first fabric layer 201 are the binder warp yarns BK arranged in pairs
  • all the weft yarns of the first fabric layer 201 are first weft yarns. Since the paired binding warp yarns are structuring, the first fabric layer 201 is formed by interweaving the first weft yarns with the first warp yarns OK and with the binder warp yarns BK.
  • all the warp threads of the second fabric layer 202 are second warp threads UK and all the weft threads of the second fabric layer are second weft threads, so that the second fabric layer 202 is formed only by interweaving the second weft threads with the second warp threads UK.
  • the binding warp threads contribute nothing to the weave structure of the second fabric layer 202 here.
  • the ratio of the number of warp threads OK, BK of the first fabric layer 201 to the number of warp threads UK of the second fabric layer is greater than 1 and in the specific case is 1.5.

Claims (41)

  1. Ruban de tissu (100) pour une machine destinée à la fabrication de matériau en bande, en particulier de papier ou de carton, comprenant une première couche de tissu (101) formée par tissage de fils de chaîne (103) avec des fils de trame (OS1-OS10) et procurant une face de contact avec le matériau en bande et une deuxième couche de tissu (102) formée par tissage de fils de chaîne (104) avec des fils de trame (US1-US10) et située en dessous de la première couche de tissu (101), dans lequel le rapport du nombre de fils de chaîne (103) de la première couche de tissu (101) au nombre de fils de chaîne (104) de la deuxième couche de tissu (102) est plus grand que 1, dans lequel, en regardant dans la direction du tracé des fils de trame (OS1-OS10, US1-US10), les fils de chaîne (103) de la première couche de tissu (101) sont disposés en décalage par rapport aux fils de chaîne (104) de la deuxième couche de tissu (102), caractérisé en ce que le rapport du nombre de fils de chaîne (103) de la première couche de tissu (101) au nombre de fils de chaîne (104) de la deuxième couche de tissu (102) n'est pas un nombre entier.
  2. Ruban de tissu selon la revendication 1, caractérisé en ce que le rapport du nombre de fils de chaîne (103) de la première couche de tissu (101) au nombre de fils de chaîne (104) de la deuxième couche de tissu (102) n'est pas plus grand que 1,5.
  3. Ruban de tissu selon la revendication 2, caractérisé en ce que le rapport du nombre de fils de trame (OS1-OS10) de la première couche de tissu (101) au nombre de fils de trame (US1-US10) de la deuxième couche de tissu (102) est plus grand que 1.
  4. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que le rapport du nombre de fils de trame (OS1-OS10) de la première couche de tissu (101) au nombre de fils de trame (US1-US10) de la deuxième couche de tissu (102) vaut 1,5 ou 2.
  5. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que la première couche de tissu (101) et la deuxième couche de tissu (102) sont reliées l'une à l'autre par des fils de liaison (B1-B20).
  6. Ruban de tissu selon la revendication 5, caractérisé en ce que les fils de liaison (B1-B20) sont disposés par paires, les fils de liaison d'une paire (B1/B2-B19/B20) alternent mutuellement lors de l'entrelacement avec des fils de la première et de la deuxième couche de tissu (101, 102) et les fils de liaison d'une paire (B1/B2-B19/B20) lors du changement de l'entrelacement avec des fils de la première couche de tissu (101) à l'entrelacement avec des fils de la deuxième couche de tissu (102) ou inversement se croisent en formant des points de croisement (X1-X16).
  7. Ruban de tissu selon l'une quelconque des revendications précédentes 5 et 6, caractérisé en ce que le motif de tissage du ruban de tissu se répète dans des rapports totaux, dans lequel les fils de liaison de chaque paire de fils de liaison (B1/B2-B19/B20) forment à l'intérieur du rapport total deux points de croisement (X1-X16).
  8. Ruban de tissu selon l'une quelconque des revendications précédentes 5 à 7, caractérisé en ce que les points de croisement (X1-X16) ne peuvent pas tous être disposés à l'intérieur du rapport total sur un faisceau de droites parallèles.
  9. Ruban de tissu selon l'une quelconque des revendications précédentes 5 à 8, caractérisé en ce que les fils de liaison d'une paire (B1/B2-B19/B20) alternent mutuellement lors de l'entrelacement avec les fils de la première couche de tissu (101) de sorte que ceux-ci tissent ensemble un chemin de tissage commun.
  10. Ruban de tissu selon l'une quelconque des revendications précédentes 4 à 9, caractérisé en ce qu'au moins une partie des fils de trame du ruban de tissu (100) sont des fils de trame de liaison (B1-B20), qui créent une liaison entre la première couche de tissu (101) et la deuxième couche de tissu (102).
  11. Ruban de tissu selon la revendication 10, caractérisé en ce qu'une partie des fils de trame de la première couche de tissu (101) sont des premiers fils de trame (OS1-OS10), une autre partie des fils de trame de la première couche de tissu (101) sont les fils de trame de liaison (B1-B20) et tous les fils de chaîne de la première couche de tissu (101) sont des premiers fils de chaîne (103) et la première couche de tissu (101) est formée par l'entrelacement des premiers fils de chaîne (103) avec les premiers fils de trame (OS1-OS10) et avec les fils de trame de liaison (B1-B20).
  12. Ruban de tissu selon l'une quelconque des revendications précédentes 10 ou 11, caractérisé en ce que le motif de tissage formé par l'entrelacement des premiers fils de chaîne (103) avec les premiers fils de trame (OS1-OS10) est poursuivi par l'entrelacement mutuellement changeant des fils de trame de liaison (B1-B20) avec les premiers fils de chaîne (103).
  13. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que la première couche de tissu (101) forme une armure toile.
  14. Ruban de tissu selon l'une quelconque des revendications précédentes 10 à 13, caractérisé en ce que tous les fils de trame de la deuxième couche de tissu (102) sont des deuxièmes fils de trame (US1-US10) et tous les fils de chaîne de la deuxième couche de tissu (102) sont des deuxièmes fils de chaîne (104), la deuxième couche de tissu (102) est formée par l'entrelacement des deuxièmes fils de chaîne (104) avec les deuxièmes fils de trame (US1-US10) et la première couche de tissu (101) est assemblée à la deuxième couche de tissu (102) par le fait que les fils de trame de liaison (B1-B20) sont entrelacés avec des premiers et avec des deuxièmes fils de chaîne (103, 104).
  15. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que le motif de tissage de la deuxième couche de tissu (102) comprend quatre ou huit deuxièmes fils de chaîne.
  16. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que le motif de tissage de la deuxième couche de tissu (102) se répète dans des rapports, un rapport étant formé par quatre deuxièmes fils de trame (US1-US10) et quatre deuxième fils de chaîne (104), et chaque deuxième fil de trame (US1-US10) croise en cheminant sur le côté extérieur de la deuxième couche de tissu (102) trois deuxièmes fils de chaîne successifs (104), avant que celui-ci croise un deuxième fil de chaîne (104) en cheminant entre la première et la deuxième couche de tissu (101, 102).
  17. Ruban de tissu selon l'une quelconque des revendications précédentes 1 à 15, caractérisé en ce que le motif de tissage de la deuxième couche de tissu (102) se répète dans des rapports, un rapport étant formé par huit deuxièmes fils de trame (US1-US10) et huit deuxièmes fils de chaîne (104), et chaque deuxième fil de trame (US1-US10) croise en cheminant sur le côté extérieur de la deuxième couche de tissu (102) sept deuxièmes fils de chaîne successifs (104), avant que celui-ci croise un deuxième fil de chaîne (104) en cheminant entre la première et la deuxième couche de tissu (101, 102).
  18. Ruban de tissu selon l'une quelconque des revendications précédentes 10 à 17, caractérisé en ce que le fil de trame de liaison (B1-B20) d'une paire entrelaçant respectivement des premiers fils de chaîne (103) croise entre deux points de croisement successifs (X1-X16) au moins deux premiers fils de chaîne (103) en cheminant sur le côté extérieur de la première couche de tissu (101).
  19. Ruban de tissu selon l'une quelconque des revendications précédentes 10 à 18, caractérisé en ce que le fil de trame de liaison (B1-B20) d'une paire entrelaçant respectivement des premiers fils de chaîne (103) croise entre deux points de croisement successifs (X1-X16) un nombre impair de premiers fils de chaîne (103) en cheminant sur le côté extérieur de la première couche de tissu (101) et le fil central du nombre impair de premiers fils de chaîne forme un point de croisement (X1-X16) d'une paire immédiatement voisine de fils de trame de liaison (B1-B20).
  20. Ruban de tissu selon l'une quelconque des revendications précédentes 10 à 19, caractérisé en ce que le fil de liaison (B1-B20) d'une paire entrelaçant respectivement des deuxièmes fils de chaîne (104) croise entre deux points de croisement successifs (X1-X16) un deuxième fil de chaîne (104) ou deux deuxièmes fils de chaîne successifs (104) en cheminant sur le côté extérieur de la deuxième couche de tissu (102).
  21. Ruban de tissu selon l'une quelconque des revendications précédentes 10 à 20, caractérisé en ce qu'un ou deux premier(s) fil(s) de trame (OS1-OS10) et/ou un ou deux deuxième(s) fil(s) de trame (US1-US10) est/sont disposé(s) entre des paires voisines de fils de trame de liaison (B1-B20).
  22. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que le rapport du nombre de fils de chaîne (103) de la première couche de tissu (101) au nombre de fils de chaîne (104) de la deuxième couche de tissu (102) est en particulier supérieur ou égal à 1,5 et en ce que l'aire de la section transversale des deuxièmes fils de trame (US1-US10) se situe dans la plage de 0,018 mm2 à 0,284 mm2, de préférence de 0,023 mm2 à 0,197 mm2, et est de préférence encore supérieure à 0,1256 mm2.
  23. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que le rapport du nombre de fils de chaîne (103) de la première couche de tissu (101) au nombre de fils de chaîne (104) de la deuxième couche de tissu (102) est en particulier supérieur ou égal à 1,5 et en ce que l'aire de la section transversale des premiers fils de chaîne (103) est inférieure ou égale à 0,018 mm2, de préférence inférieure ou égale à 0,011 mm2, et de préférence encore inférieure ou égale à 0,008 mm2.
  24. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que les premiers fils de chaîne (103) présentent une dimension de section transversale plus petite que les deuxièmes fils de chaîne (104).
  25. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que les premiers fils de trame (OS1-OS10) présentent une dimension de section transversale plus petite que les deuxièmes fils de trame (US1-US10).
  26. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que les premiers fils de trame (OS1-OS10) présentent une dimension de section transversale essentiellement égale à celle des premiers fils de chaîne (103).
  27. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que les deuxièmes fils de trame (US1-US10) présentent une dimension de section transversale plus grande que les deuxièmes fils de chaîne (104).
  28. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que la densité des premiers fils de chaîne (103) dans la première couche de tissu 101) vaut 25 par cm ou plus, de préférence 30 par cm ou plus, et de préférence encore 40 par cm ou plus.
  29. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que la densité des premiers fils de trame (OS1-OS10) dans la première couche de tissu (101) vaut 25 par cm ou plus, de préférence 30 par cm ou plus, et de préférence encore 40 par cm ou plus.
  30. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que la deuxième couche de tissu (102) procure une face de contact avec la machine.
  31. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il est prévu une troisième couche de tissu, qui procure une face de contact avec la machine.
  32. Ruban de tissu selon la revendication 31, caractérisé en ce que le nombre des fils de chaîne (103) de la première couche de tissu (101) est plus grand que le nombre des fils de chaîne de la troisième couche de tissu.
  33. Ruban de tissu selon l'une quelconque des revendications précédentes 1 à 9, caractérisé en ce qu'au moins une partie des fils de chaîne sont des fils de chaîne de liaison (BK), qui créent une liaison entre la première couche de tissu (101) et la deuxième couche de tissu (102).
  34. Ruban de tissu selon la revendication 33, caractérisé en ce qu'une partie des fils de chaîne de la première couche de tissu (201) sont des premiers fils de chaîne (OK), une autre partie des fils de chaîne de la première couche de tissu sont les fils de chaîne de liaison (BK) et tous les fils de trame de la première couche de tissu sont des premiers fils de trame, la première couche de tissu est formée par l'entrelacement des premiers fils de trame avec les premiers fils de chaîne et avec les fils de chaîne de liaison, et la première couche de tissu est assemblée à la deuxième couche de tissu par le fait que les fils de chaîne de liaison sont entrelacés avec des premiers et avec des deuxièmes fils de trame.
  35. Ruban de tissu selon l'une des revendications 33 ou 34, caractérisé en ce que le motif de tissage formé par l'entrelacement des premiers fils de chaîne avec les premiers fils de trame est poursuivi par l'entrelacement mutuellement changeant des fils de chaîne de liaison (BK) avec les premiers fils de trame.
  36. Ruban de tissu selon l'une quelconque des revendications 33 à 35, caractérisé en ce que la première couche de tissu (201) forme une armure toile.
  37. Ruban de tissu selon l'une quelconque des revendications 33 à 36, caractérisé en ce que tous les fils de chaîne de la deuxième couche de tissu (202) sont des deuxièmes fils de chaîne (UK) et tous les fils de trame de la deuxième couche de tissu (202) sont des deuxièmes fils de trame, la deuxième couche de tissu (202) est formée par l'entrelacement des deuxièmes fils de trame avec les deuxièmes fils de chaîne (UK) et la première couche de tissu (201) est assemblée à la deuxième couche de tissu (202) par le fait que les fils de chaîne de liaison (BK) sont entrelacés avec des premiers et avec des deuxièmes fils de trame.
  38. Ruban de tissu selon l'une quelconque des revendications précédentes, caractérisé en ce que les fils de chaîne (103, OK) s'étendent dans la direction longitudinale du ruban de tissu (100, 200) et les fils de trame (OS1-OS10, US1-US10, B1-B20) s'étendent dans la direction transversale du ruban de tissu (100, 200).
  39. Utilisation du ruban de tissu (100, 200) selon l'une quelconque des revendications précédentes comme toile de formation dans un formeur de papier imprimable, en particulier d'une machine à papier fabriquant du papier SC, LWC ou Newsprint.
  40. Utilisation selon la revendication 39, caractérisée en ce que la toile de formation (100, 200) est utilisée dans une position de toile inférieure du formeur, en particulier d'un formeur à fente, d'un formeur à toile sans fin ou d'un formeur hybride.
  41. Utilisation selon la revendication 39 ou 40, caractérisée en ce que la machine à papier travaille à une vitesse de machine de 1800 m/min ou plus, de préférence de 2000 m/min ou plus.
EP07847940.9A 2006-12-08 2007-12-06 Ruban tissu pour une machine destinee a la fabrication de materiaux en bande, en particulier de papier ou de carton Revoked EP2106477B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006059482A DE102006059482A1 (de) 2006-12-08 2006-12-08 Gewebeband für eine Maschine zur Herstellung von Bahnmaterial, insbesondere Papier oder Karton
DE102007058369A DE102007058369A1 (de) 2007-12-03 2007-12-03 Gewebeband für eine Maschine zur Herstellung von Bahnmaterial, insbesondere Papier oder Karton
PCT/EP2007/063471 WO2008068317A1 (fr) 2006-12-08 2007-12-06 Ruban tissu pour une machine destinée à la fabrication de matériaux en bande, en particulier de papier ou de carton

Publications (2)

Publication Number Publication Date
EP2106477A1 EP2106477A1 (fr) 2009-10-07
EP2106477B1 true EP2106477B1 (fr) 2014-06-25

Family

ID=39135515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07847940.9A Revoked EP2106477B1 (fr) 2006-12-08 2007-12-06 Ruban tissu pour une machine destinee a la fabrication de materiaux en bande, en particulier de papier ou de carton

Country Status (5)

Country Link
US (2) US8252146B2 (fr)
EP (1) EP2106477B1 (fr)
JP (1) JP2010511805A (fr)
CA (1) CA2672006C (fr)
WO (1) WO2008068317A1 (fr)

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WO2008068317A1 (fr) * 2006-12-08 2008-06-12 Voith Patent Gmbh Ruban tissu pour une machine destinée à la fabrication de matériaux en bande, en particulier de papier ou de carton
DE102007046113A1 (de) * 2007-09-21 2009-04-02 Voith Patent Gmbh Formiersieb
US7766053B2 (en) * 2008-10-31 2010-08-03 Weavexx Corporation Multi-layer papermaker's forming fabric with alternating paired and single top CMD yarns
US7866350B1 (en) 2009-07-31 2011-01-11 Voith Patent Gmbh Forming fabric for the production of a fibrous web material
DE102009054534A1 (de) * 2009-12-11 2011-06-16 Voith Patent Gmbh Gewebeband für eine Maschine zur Herstellung von Bahnmaterial, insbesondere Papier oder Karton
JP5777874B2 (ja) * 2010-11-30 2015-09-09 日本フイルコン株式会社 工業用二層織物
PT2584091E (pt) * 2011-10-22 2014-05-27 Heimbach Gmbh & Co Kg Tecido de fabricante de papel tecido, em particular uma tela de formação
DE102012207044A1 (de) * 2012-04-27 2013-10-31 Voith Patent Gmbh Formiersieb
CN108425265A (zh) * 2018-04-26 2018-08-21 江苏金呢工程织物股份有限公司 一种特种纸用造纸成形网及造纸设备
CN110029520A (zh) * 2019-04-18 2019-07-19 江苏金呢工程织物股份有限公司 一种高耐磨高纤维三层造纸成形网及造纸设备
CN110029521A (zh) * 2019-05-21 2019-07-19 江苏金呢工程织物股份有限公司 一种新型高耐磨ssb造纸三层成形网及造纸设备
DE102021115275A1 (de) 2021-06-14 2022-12-15 Voith Patent Gmbh Papiermaschinenbespannung und Verwendung einer solchen Bespannung

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US20060096653A1 (en) * 2004-11-11 2006-05-11 Dana Eagles Forming fabrics

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DE3938159A1 (de) 1989-11-16 1991-05-23 Oberdorfer Fa F Verbundgewebe fuer papiermaschinensiebe
JPH04185788A (ja) * 1990-11-20 1992-07-02 Nippon Filcon Co Ltd 無端状多層織物
US5544678A (en) * 1995-04-14 1996-08-13 Jwi Ltd. Composite forming fabric woven with an Nx2N machine side layer
GB9811089D0 (en) * 1998-05-23 1998-07-22 Jwi Ltd Warp-tied composite forming fabric
FI110131B (fi) 2001-02-22 2002-11-29 Tamfelt Oyj Abp Paperikonekudos
US7059357B2 (en) 2003-03-19 2006-06-13 Weavexx Corporation Warp-stitched multilayer papermaker's fabrics
FI20030983A (fi) 2003-06-30 2004-12-31 Tamfelt Oyj Abp Paperikonekudos
GB0317248D0 (en) * 2003-07-24 2003-08-27 Voith Fabrics Gmbh & Co Kg Fabric
US7243687B2 (en) 2004-06-07 2007-07-17 Weavexx Corporation Papermaker's forming fabric with twice as many bottom MD yarns as top MD yarns
AU2005274086A1 (en) 2004-08-04 2006-02-23 Albany International Corp. Warp-runner triple layer fabric with paired intrinsic warp binders
JP4762530B2 (ja) * 2004-11-30 2011-08-31 日本フイルコン株式会社 工業用二層織物
WO2008068317A1 (fr) * 2006-12-08 2008-06-12 Voith Patent Gmbh Ruban tissu pour une machine destinée à la fabrication de matériaux en bande, en particulier de papier ou de carton
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Also Published As

Publication number Publication date
WO2008068317A1 (fr) 2008-06-12
CA2672006C (fr) 2014-06-17
US8652302B2 (en) 2014-02-18
US20120160439A1 (en) 2012-06-28
CA2672006A1 (fr) 2008-06-12
US8252146B2 (en) 2012-08-28
US20090283233A1 (en) 2009-11-19
JP2010511805A (ja) 2010-04-15
EP2106477A1 (fr) 2009-10-07

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