EP0432413B1 - Compound tissue for paper-making machine fabrics - Google Patents
Compound tissue for paper-making machine fabrics Download PDFInfo
- Publication number
- EP0432413B1 EP0432413B1 EP90119904A EP90119904A EP0432413B1 EP 0432413 B1 EP0432413 B1 EP 0432413B1 EP 90119904 A EP90119904 A EP 90119904A EP 90119904 A EP90119904 A EP 90119904A EP 0432413 B1 EP0432413 B1 EP 0432413B1
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- EP
- European Patent Office
- Prior art keywords
- fabric
- threads
- thread
- binding
- wire according
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- 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.)
- Expired - Lifetime
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- 239000004744 fabric Substances 0.000 title claims abstract description 146
- 150000001875 compounds Chemical class 0.000 title abstract 2
- 230000027455 binding Effects 0.000 claims abstract description 44
- 239000002131 composite material Substances 0.000 claims description 29
- 230000008030 elimination Effects 0.000 abstract 1
- 238000003379 elimination reaction Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 17
- 239000000463 material Substances 0.000 description 4
- 229920000728 polyester Polymers 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000009870 specific binding Effects 0.000 description 2
- 239000004952 Polyamide Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Images
Classifications
-
- 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
- D21F1/0045—Triple layer fabrics
Definitions
- the invention relates to a composite fabric for use as a paper machine screen according to the preamble of claim 1.
- Such paper machine screens are used in the wet end of paper machines and serve to dewater the fiber suspension which is passed onto the screen via the headbox.
- the paper web created by the formation of fibers and fillers is transported through the continuously rotating screen to the press section of the paper machine.
- the screen not only has to fulfill the essential tasks of dewatering, shaping and transporting the paper webs, subject to the corresponding requirements, but the nature of the screen, in particular with regard to its surface structure, also has to be determined by the surface properties of the Paper regarding its printability, smoothness and freedom from marking are required.
- such paper machine screens are subjected to considerable mechanical loads during the paper manufacturing process, firstly due to high longitudinal tensions, which in extreme cases can be over 200 N / cm, and secondly due to large frictional forces, which lead to more or less rapid wear on the running side of the screen.
- the object of the invention is therefore to develop the composite fabric of the type mentioned for use as a paper machine screen so that the two desired properties, namely freedom from marking and a connection of the fabric layers, which largely excludes relative movements between them, are achieved at the same time.
- this object is achieved in that the binding threads are threads inherent in the fabric, a first thread being interwoven with the threads of the first tissue which are transverse to it in the weave pattern of this tissue over at least one repeat length, and a second thread having the threads of the second which are transverse to it Fabric is woven in the weave pattern of this fabric over at least one repeat length, and the first thread and the second thread cross in the fabric body several times, furthermore the first thread interweaves with the threads of the second fabric transverse to it in the weave pattern of this second fabric over at least one repeat length is, while the second thread with the threads of the first fabric oriented transversely to it in the Weave pattern of this first fabric is woven over at least one repeat length.
- the essential idea of the invention is therefore to be seen in using two tissue-specific threads as binding threads and weaving them in a special way into the other tissue layer, so that the disadvantages described in the prior art are avoided.
- these configurations relate to the adaptation of the paper machine screen to the respective application, it having proven particularly advantageous that the connecting threads are so positively integrated into the first or upper fabric and the second or lower fabric that the form fit is at least equal to the form fit of the longitudinal threads to the transverse threads of the thread systems of the first and second fabric layers.
- FIG. 1 A comparison of the fabric known from FIG. 1 with the fabrics shown in FIGS. 2 to 4 reveals the differences between the known connection technology with separate or tissue-specific binding threads and the connection technology according to the invention with specially running tissue-specific binding threads.
- the binding thread 6 shown in black in FIG. 1 does not produce a pronounced positive connection between the upper fabric and lower fabric, as a result of which, as is known, this type of connection permits considerable relative movements between the two fabric layers, which lead to the destruction of the fabric soon.
- the composite fabrics shown in FIGS. 2 to 4 are woven according to a connection principle, in which the binding threads are so positively integrated in the upper and lower fabrics that the form fit is not less than the form fit of the thread systems, ie the longitudinal threads the transverse threads of the individual fabrics themselves.
- the form closure of the binding thread 6 in the known fabric is smaller both with the transverse threads of the upper fabric and with the transverse threads of the lower fabric than the form closure of the two thread systems of the lower fabric and the positive connection of the two thread systems of the upper fabric.
- form-fit means the degree of integration of a binding thread in the fabric layer or layers, the form-fit being the greater the greater the degree of integration, and thus the tighter the binding thread is woven or the tighter it is the tissue structures holds together in which he is involved.
- the composite fabric according to the invention shown in FIGS. 2a to 2c has an upper fabric 3, which is woven in a linen weave (FIGS. 2a, 2b), and a lower fabric 4, which is formed in a four-way cross twill weave (Fig. 2a , 2c).
- Every fourth longitudinal thread of the lower fabric 4 and every fourth longitudinal thread of the upper fabric 3 is a connecting or binding thread 1, 1 ', 2, 2', with a first thread 1, 1 'with the threads of the upper fabric 3 oriented transversely to it in the weave pattern of this fabric at least one repeat length is interwoven, and a second thread 2, 2 'is interwoven with the transverse threads of the lower fabric 4 in the weave pattern of this fabric over at least one repeat length.
- the first thread 1, 1 'and the second thread 2, 2' cross in the tissue body.
- the first thread 1, 1 ' is also interwoven with the transverse threads of the lower fabric 4 in the weave pattern of this lower fabric over at least one repeat length, while the second thread 2, 2' with the transverse fibers of the upper fabric 3 in the weave pattern of the upper fabric at least one repeat length is interwoven, the crossing of the first thread 1, 1 'and the second thread 2, 2' being repeated continuously.
- the binding threads 1, 2; separated by three intermediate longitudinal threads of the upper fabric or lower fabric; 1 ′, 2 ′, are offset from one another by four transverse threads of the upper or lower fabric in order to achieve the most favorable possible distribution of the crossing points 7 (FIG. 2a) in the fabric body.
- the crossing points 7 along the binding threads can also be used further apart.
- a larger number of binding threads can also be incorporated into the fabric.
- all threads in one thread direction could then be binding threads in the sense of the invention.
- it is sufficient if the number of binding threads is at least 10% of the threads running in the same direction.
- binding threads 1.1 '; 2.2 ' can either run parallel to the running direction of the paper machine screen or transversely thereto, and that a combination of transverse and longitudinal binding threads is possible, although this is not apparent in the illustrated embodiments.
- FIGS. 2a to 2c and 3 While the embodiment of the composite fabric according to the invention shown in FIGS. 2a to 2c and 3 is characterized in that both the upper fabric 3 and the lower fabric 4 are single-ply, the Realize invention theory also in composite fabrics, in which at least one of the two individual fabrics is multi-layered.
- FIG. 4 shows such a case using a double-layer eight-shaft fabric, in which the successive warp threads with the pitch number (offset number) 3 or 5 are offset from one another. This number defines the weave pattern of the lower tissue 5.
- the repeat of the warp threads can be read from FIG. 4.
- the upper fabric 3 of Figure 4 is woven in a linen weave in accordance with the above-described embodiments.
- the paper machine screen has the following composition: Upper fabric (forming fabric) Weave pattern: Linen weave Number of longitudinal threads: 30 cm Longitudinal thread ⁇ : 0.17 mm Longitudinal thread material: polyester Number of cross threads: 26 / cm Cross thread ⁇ : 0.17 mm Cross thread material: polyester Lower fabric (wear and stabilizing fabric) Weave pattern: Four-shaft cross twill. Number of longitudinal threads: 30 cm Longitudinal thread ⁇ : 0.17 mm Longitudinal thread material: polyester Number of cross threads: 26 / cm Cross thread ⁇ : 0.25 / 0.25 mm Cross thread material: Polyester polyamide
- the composite fabrics according to the invention can be woven flat or round.
- the warp threads are the longitudinal threads and the screen fabric must be made endless by a seam.
- the weft threads form the longitudinal threads or circumferential threads of the fabric tube.
- inventive proposal is not limited to simple upper fabrics or the lower fabrics shown in FIGS. 2a, 2c, 3 and 4, but can be realized with the most varied types of fabric, which are assembled into composite fabrics.
Abstract
Description
Die Erfindung betrifft ein Verbundgewebe für die Verwendung als Papiermaschinensieb gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a composite fabric for use as a paper machine screen according to the preamble of
Derartige Papiermaschinensiebe werden in der Naßpartie von Papiermaschinen eingesetzt und dienen dazu, die Fasersuspension, die über den Stoffauflauf auf das Sieb geleitet wird, zu entwässern. Die dabei durch Formierung von Fasern und Füllstoffen entstehende Papierbahn wird durch das ständig umlaufende Sieb zur Pressenpartie der Papiermaschine transportiert.Such paper machine screens are used in the wet end of paper machines and serve to dewater the fiber suspension which is passed onto the screen via the headbox. The paper web created by the formation of fibers and fillers is transported through the continuously rotating screen to the press section of the paper machine.
Bei diesem Prozeß muß das Sieb nicht nur die wesentlichen Aufgaben erfüllen, die Papierbahnen zu entwässern, zu formieren und zu transportieren, wobei es entsprechenden Anforderungen ausgesetzt ist, sondern die Beschaffenheit des Siebes insbesondere bezüglich seiner Oberflächenstruktur hat sich auch danach zu richten, welche Oberflächeneigenschaften des Papieres hinsichtlich seiner Bedruckbarkeit, Glätte und Markierungsfreiheit verlangt werden. Grundsätzlich sind derartige Papiermaschinensiebe während des Papierherstellungsvorgangs erheblichen mechanischen Belastungen ausgesetzt, einmal verursacht durch hohe Längsspannungen, die im Extremfall über 200 N/cm betragen können, und zum anderen durch große Reibungskräfte, die zu einer mehr oder weniger schnellen Abnutzung der Laufseite des Siebes führen.In this process, the screen not only has to fulfill the essential tasks of dewatering, shaping and transporting the paper webs, subject to the corresponding requirements, but the nature of the screen, in particular with regard to its surface structure, also has to be determined by the surface properties of the Paper regarding its printability, smoothness and freedom from marking are required. Fundamentally, such paper machine screens are subjected to considerable mechanical loads during the paper manufacturing process, firstly due to high longitudinal tensions, which in extreme cases can be over 200 N / cm, and secondly due to large frictional forces, which lead to more or less rapid wear on the running side of the screen.
Es ist ein bekannter prinzipieller Nachteil von einlagigen oder doppellagigen Sieben, daß die Eigenschaften, die die Oberflächenqualität des Papiers bestimmen und jene Eigenschaften, die für die Stabilität des Siebgewebes maßgeblich sind, nicht oder nur teilweise miteinander harmonieren. So eignen sich beispielsweise zur Herstellung von Papieren mit erstklassiger Oberflächenqualität am besten sehr feine, aus dünnen Fäden hergestellte Siebe. Je feiner aber die Siebe sind, desto geringer ist ihre Stabilität.It is a known principle disadvantage of single-layer or double-layer screens that the properties which determine the surface quality of the paper and those properties which are decisive for the stability of the screen fabric do not or only partially harmonize with one another. For example, very fine screens made from thin threads are best suited for the production of papers with first-class surface quality. However, the finer the sieves, the lower their stability.
Um aus diesem Dilemma herauszukommen, beschäftigen sich die Siebhersteller seit Jahren mit der Entwicklung von mehrlagigen Sieben und Verbundgeweben, bei denen die einzelnen Sieblagen bzw. Gewebelagen durch eine Bindekette oder einen Bindeschuß miteinander verbunden sind. Beispiele für solche Verbundsiebe zeigen die DE-OS 24 55 184 und die DE-OS 23 17 694.In order to get out of this dilemma, the sieve manufacturers have been dealing with the development of multi-layer sieves and composite fabrics in which the individual sieve layers or fabric layers are connected to one another by a binding chain or a binding weft. Examples of such composite sieves are shown in DE-OS 24 55 184 and DE-OS 23 17 694.
Es sind nun zwar auch bereits Verbundgewebe bekannt geworden, bei denen die Verbundung der beiden Gewebelagen mit gewebeeigenen Fäden des Obergewebes erfolgt, wie dies beispielsweise die EP 69 101 zeigt. Diese Verbundgewebe haben jedoch erhebliche Nachteile. So stört bei ihnen einmal das nicht zu beiden Geweben gleichzeitig passende Bindungsmuster der Bindefäden die Struktur des Gesamtgewebes und führt zu Markierungen im Papier. Zum anderen werden die Bindefäden aufgrund der durch Relativbewegung der beiden Gewebe während der Benutzung auf der Papiermaschine verursachten Reibung zerstört, so daß sich die Gewebelagen trennen. Versucht nun der Fachmann, durch geeignete Maßnahmen, beispielsweise durch Verwendung von dicken, stabilen Bindefäden, die Relativbewegung in den Griff zu bekommen, so wird zwangsläufig das erstgenannte Markierungsproblem verschärft, denn je dicker die Bindefäden sind, desto nachhaltiger wird die Struktur des Siebes gestört.It is true that composite fabrics have already become known in which the two fabric layers are bonded with the fabric's own threads of the upper fabric, as shown, for example, by EP 69 101. However, these composite fabrics have significant disadvantages. So that does not bother you for both tissues at the same time Matching binding patterns of the binding threads the structure of the overall fabric and leads to markings in the paper. On the other hand, the binding threads are destroyed due to the friction caused by the relative movement of the two fabrics during use on the paper machine, so that the fabric layers separate. If the person skilled in the art now tries to get the relative movement under control by means of suitable measures, for example by using thick, stable binding threads, the first-mentioned marking problem is inevitably aggravated, because the thicker the binding threads, the more sustainably the structure of the sieve is disturbed.
Die Aufgabe der Erfindung besteht deshalb darin, das Verbundgewebe der genannten Art für den Einsatz als Papiermaschinensieb so weiterzubilden, daß die beiden erwünschten Eigenschaften, nämlich möglichst Markierungsfreiheit und eine Verbindung der Gewebelagen, die Relativbewegungen zwischen ihnen weitgehend ausschließt, gleichzeitig erreicht werden.The object of the invention is therefore to develop the composite fabric of the type mentioned for use as a paper machine screen so that the two desired properties, namely freedom from marking and a connection of the fabric layers, which largely excludes relative movements between them, are achieved at the same time.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Bindefäden gewebeeigene Fäden sind, wobei ein erster Faden mit den zu ihm quergerichteten Fäden des ersten Gewebes im Bindungsmuster dieses Gewebes über mindestens eine Rapportlänge verwebt ist, und ein zweiter Faden mit den zu ihm quergerichteten Fäden des zweiten Gewebes im Bindungsmuster dieses Gewebes über mindestens eine Rapportlänge verwebt ist, und sich der erste Faden und der zweite Faden im Gewebekörper mehrfach kreuzen, wobei ferner der erste Faden mit den zu ihm quergerichteten Fäden des zweiten Gewebes im Bindungsmuster dieses zweiten Gewebes über mindestens eine Rapportlänge verwebt ist, während der zweite Faden mit den zu ihm quergerichteten Fäden des ersten Gewebes im Bindungsmuster dieses ersten Gewebes über mindestens eine Rapportlänge verwebt ist.According to the invention, this object is achieved in that the binding threads are threads inherent in the fabric, a first thread being interwoven with the threads of the first tissue which are transverse to it in the weave pattern of this tissue over at least one repeat length, and a second thread having the threads of the second which are transverse to it Fabric is woven in the weave pattern of this fabric over at least one repeat length, and the first thread and the second thread cross in the fabric body several times, furthermore the first thread interweaves with the threads of the second fabric transverse to it in the weave pattern of this second fabric over at least one repeat length is, while the second thread with the threads of the first fabric oriented transversely to it in the Weave pattern of this first fabric is woven over at least one repeat length.
Der wesentliche Gedanke der Erfindung ist somit darin zu sehen, als Bindefäden zwei gewebeeigene Fäden zu verwenden und diese in einer besonderen Weise in die jeweils andere Gewebelage einzuweben, so daß die beschriebenen Nachteile beim Stand der Technik vermieden werden.The essential idea of the invention is therefore to be seen in using two tissue-specific threads as binding threads and weaving them in a special way into the other tissue layer, so that the disadvantages described in the prior art are avoided.
Vorteilhafte Ausgestaltungen des Erfindungsvorschlags sind in den Unteransprüchen gekennzeichnet. Dazu gehört insbesondere der Vorschlag, in der erfindungsgemäßen Weise auch Gewebe miteinander zu verbinden, die mehrlagig sind und die gewebeeigenen Verbindungsfäden in besonderer Weise zur Laufrichtung des Papiermaschinensiebs anzuordnen.Advantageous refinements of the proposed invention are characterized in the subclaims. This includes, in particular, the proposal to also connect fabrics in the manner according to the invention which are multilayered and to arrange the fabric-specific connecting threads in a special way with respect to the running direction of the paper machine wire.
Darüberhinaus betreffen diese Ausgestaltungen die Anpassung des Papiermaschinensiebs an den jeweiligen Anwendungsfall, wobei sich als besonders vorteilhaft erwiesen hat, daß die Verbindungsfäden so formschlüssig in das erste oder Obergewebe und das zweite oder Untergewebe eingebunden sind, daß der Formschluß mindestens gleich ist dem Formschluß der längsgerichteten Fäden zu den quergerichteten Fäden der Fadensysteme der ersten und zweiten Gewebelage.In addition, these configurations relate to the adaptation of the paper machine screen to the respective application, it having proven particularly advantageous that the connecting threads are so positively integrated into the first or upper fabric and the second or lower fabric that the form fit is at least equal to the form fit of the longitudinal threads to the transverse threads of the thread systems of the first and second fabric layers.
Daraus ergibt sich, daß bei den erfindungsgemäßen Verbundgeweben die Relativbewegung zwischen den miteinander verbundenen Einzelgeweben nicht größer sein kann als die Relativbewegung zwischen den miteinander verwobenen Längs- und Querfäden der beiden Einzelgewebe. Da letztere Relativbewegung in der Praxis bedeutungslos war, ist auch die bislang störende Relativbewegung zwischen den Einzelgeweben auf ein in der Praxis bedeutungsloses Minimum beschränkt worden.It follows from this that in the composite fabrics according to the invention the relative movement between the interconnected individual fabrics cannot be greater than the relative movement between the interwoven longitudinal and transverse threads of the two individual fabrics. Since the latter relative movement is meaningless in practice was, the previously disturbing relative movement between the individual tissues has been limited to a meaningless minimum in practice.
Überraschend ist, daß sich diese vorteilhafte Wirkung sogar mit gewebeeigenen Fäden verwirklichen läßt und sogar ohne negative Beeinflussung der Oberflächenstruktur des Verbundgewebes. Erreicht wird dies mit einem Webaufwand und Nahtungsaufwand, die nicht größer als bei doppellagigen Geweben sind, die zwar zwei Querfadenlagen, aber nur eine Längsfadenlage haben.It is surprising that this advantageous effect can even be achieved with the fabric's own threads and even without adversely affecting the surface structure of the composite fabric. This is achieved with a weaving effort and seam effort that are no larger than in double-layer fabrics, which have two transverse thread layers, but only one longitudinal thread layer.
Die Erfindung wird nachfolgend anhand von in der Zeichnung dargestellten Ausführungsbeispielen näher erläutert. In der Zeichnung zeigen:
- Fig. 1
- eine perspektivische Längsschnittansicht eines aus der DE-OS 23 17 694 bekannten Verbundgewebes,
- Fig. 2a
- eine Längsschnittansicht des erfindungsgemäßen Verbundgewebes entlang zweier Bindefäden im Obergewebe,
- Fig. 2b
- eine Draufsicht der dem Papier zugewandten Seite des Obergewebes des Siebs von Fig. 2a, aus der die Anordnung der
Bindefäden - Fig. 2c
- eine Draufsicht der der Papiermaschine zugewandten Unterseite des Untergewebes des Verbundgewebes von Fig. 2a, aus der die Anordnung der
Bindefäden - Fig. 3
- eine Längsschnittansicht längs zweier
Bindefäden - Fig. 4
- eine Längsschnittansicht eines aus einem einlagigen Obergewebe und einem doppellagigen Untergewebe bestehenden erfindungsgemäßen Gewebes entlang zweier
Bindefäden
- Fig. 1
- 2 shows a perspective longitudinal sectional view of a composite fabric known from DE-OS 23 17 694,
- Fig. 2a
- 2 shows a longitudinal sectional view of the composite fabric according to the invention along two binding threads in the upper fabric,
- Fig. 2b
- a plan view of the paper facing side of the upper fabric of the sieve of Fig. 2a, from which the arrangement of the binding threads 1.1 ', 2.2' can be seen in the upper fabric,
- Fig. 2c
- 2 shows a plan view of the underside of the lower fabric of the composite fabric of FIG. 2a facing the paper machine, from which the arrangement of the
binding threads - Fig. 3
- 2 shows a longitudinal sectional view along two
binding threads - Fig. 4
- a longitudinal sectional view of a fabric according to the invention consisting of a single-layer upper fabric and a double-layer lower fabric along two
binding threads
Ein Vergleich des aus Fig. 1 bekannten Gewebes mit den in den Fig. 2 bis 4 dargestellten Geweben läßt die Unterschiede zwischen der bekannten Verbindungstechnik mit separaten oder gewebeeigenen Bindefäden und der erfindungsgemäßen Verbindungstechnik mit speziell verlaufenden gewebeeigenen Bindefäden erkennen. Der in Fig. 1 schwarz eingezeichnete Bindefaden 6 stellt zwischen dem Obergewebe und Untergewebe keine ausgeprägte formschlüssige Verbindung her, wodurch diese Art der Verbindung bekanntlich erhebliche Relativbewegungen zwischen den beiden Gewebelagen zuläßt, die zur baldigen Zerstörung des Gewebes führen.A comparison of the fabric known from FIG. 1 with the fabrics shown in FIGS. 2 to 4 reveals the differences between the known connection technology with separate or tissue-specific binding threads and the connection technology according to the invention with specially running tissue-specific binding threads. The
Die in den Fig. 2 bis 4 dargestellten Verbundgewebe sind dagegen nach einem Verbindungsprinzip gewoben, bei dem die Bindefäden so formschlüssig in das Ober- und Untergewebe eingebunden sind, daß der Formschluß nicht kleiner ist als der Formschluß der Fadensysteme, d.h., der längsgerichteten Fäden zu den quergerichteten Fäden der Einzelgewebe selbst. Der Formschluß des Bindefadens 6 beim bekannten Gewebe ist sowohl mit den zu ihm quergerichteten Fäden des Obergewebes als auch mit den zu ihm quergerichteten Fäden des Untergewebes kleiner als der Formschluß der beiden Fadensysteme des Untergewebes und der Formschluß der beiden Fadensysteme des Obergewebes.The composite fabrics shown in FIGS. 2 to 4, on the other hand, are woven according to a connection principle, in which the binding threads are so positively integrated in the upper and lower fabrics that the form fit is not less than the form fit of the thread systems, ie the longitudinal threads the transverse threads of the individual fabrics themselves. The form closure of the
Unter Formschlüssigkeit wird somit im vorliegenden Fall der Grad der Einbindung eines Bindefadens in die Gewebelage oder -lagen bezeichnet, wobei die Formschlüssigkeit um so größer ist, je größer dieser Einbindungsgrad ist, und damit je fester der Bindefaden verwebt ist bzw. je fester er die Gewebestrukturen zusammenhält, in denen er eingebunden ist.In the present case, form-fit means the degree of integration of a binding thread in the fabric layer or layers, the form-fit being the greater the greater the degree of integration, and thus the tighter the binding thread is woven or the tighter it is the tissue structures holds together in which he is involved.
Das in den Fig. 2a bis 2c dargestellte erfindungsgemäße Verbundgewebe weist ein Obergewebe 3 auf, das in Leinenbindung gewebt ist (Fig. 2a, 2b), und ein Untergewebe 4, das in einer vier-schäftigen Kreuzköperbindung als Schußläufer ausgebildet ist (Fig. 2a, 2c). Jeder vierte Längsfaden des Untergewebes 4 und jeder vierte Längsfaden des Obergewebes 3 ist ein verbindender oder Bindefaden 1, 1′, 2, 2′, wobei ein erster Faden 1, 1′ mit den zu ihm quergerichteten Fäden des Obergewebes 3 im Bindungsmuster dieses Gewebes über mindestens eine Rapportlänge verwebt ist, und ein zweiter Faden 2, 2′ mit den zu ihm quergerichteten Fäden des Untergewebes 4 im Bindungsmuster dieses Gewebes über mindestens eine Rapportlänge verwebt ist. Wie insbesondere aus Fig. 2a ersichtlich, kreuzen sich der erste Faden 1, 1′ und der zweite Faden 2, 2′ im Gewebekörper. Der erste Faden 1, 1′ ist ferner mit den zu ihm quergerichteten Fäden des Untergewebes 4 im Bindungsmuster dieses Untergewebes über mindestens eine Rapportlänge verwebt, während der zweite Faden 2, 2′ mit den zu ihm quergerichteten Fäden des Obergewebes 3 im Bindungsmuster des Obergewebes über mindestens eine Rapportlänge verwebt ist, wobei das Kreuzen des ersten Fadens 1, 1′ und des zweiten Fadens 2, 2′ sich ständig wiederholt.The composite fabric according to the invention shown in FIGS. 2a to 2c has an
Die durch drei dazwischenliegende Längsfäden des Obergewebes bzw. Untergewebes getrennten Bindefäden 1, 2; 1′, 2′, sind um vier Querfäden des Ober- bzw. Untergewebes gegeneinander versetzt, um eine möglichst günstige Verteilung der Kreuzungspunkte 7 (Fig. 2a) im Gewebekörper zu erreichen.The
Wie aus der Schnittansicht des erfindungsgemäßen Verbundgewebes in Fig. 3 ersichtlich, wo dargestellt ist, wie die beiden Bindefäden 1, 2 über zwei vollständige Rapporte im Bindungsmuster des in Fig. 2c dargestellten Untergewebes mit letzterem verwebt sind, können die Kreuzungspunkte 7 entlang der Bindefäden auch weiter auseinanderliegen. In diesem Fall kann auch, falls erforderlich, eine größere Anzahl von Bindefäden in das Gewebe eingearbeitet sein. Im Grenzfall könnten dann alle Fäden einer Fadenrichtung Bindefäden im Sinne der Erfindung sein. Für viele Anwendungsfälle ist es jedoch ausreichend, wenn die Anzahl der Bindefäden wenigstens 10% der in der gleichen Richtung verlaufenden Fäden beträgt. In diesem Zusammenhang ist darauf hinzuweisen, daß die Bindefäden 1,1′; 2,2′ entweder parallel zur Laufrichtung des Papiermaschinensiebs verlaufen können oder quer dazu, und daß auch eine Kombination aus quer- und längsverlaufenden Bindefäden möglich ist, obgleich diese in den dargestellten Ausführungsbeispielen nicht ersichtlich ist.As can be seen from the sectional view of the composite fabric according to the invention in FIG. 3, where it is shown how the two
Des weiteren hat sich bewährt, von den Fäden, die parallel zur Laufrichtung des Papiermaschinensiebs verlaufen, wenigstens 25% als Bindefäden der mit 1,1′ bzw. 2,2′ in den Zeichnungsfiguren bezeichneten Art auszubilden.Furthermore, it has proven useful to form at least 25% of the threads that run parallel to the running direction of the paper machine screen as binding threads of the type designated 1.1 'or 2.2' in the drawing figures.
Während die in den Fig. 2a bis 2c und 3 dargestellte Ausführungsform des erfindungsgemäßen Verbundgewebes dadurch gekennzeichnet ist, daß sowohl das Obergewebe 3 als auch das Untergewebe 4 einlagig sind, läßt sich die Erfindungslehre auch bei Verbundgeweben verwirklichen, bei denen wenigstens eines der beiden Einzelgewebe mehrlagig ausgebildet ist. Einen solchen Fall zeigt Fig. 4 anhand eines doppellagigen Acht-Schaftgewebes, bei dem die aufeinanderfolgenden Kettfäden mit der Steigungszahl (Versatzzahl) 3 oder 5 gegeneinander versetzt sind. Mit dieser Zahl ist das Bindungsmuster des Untergewebes 5 definiert. Der Rapport der Kettfäden ist aus Fig. 4 ablesbar. Das Obergewebe 3 von Fig.4 ist in Übereinstimmung mit den oben beschriebenen Ausführungsformen in Leinenbindung gewebt.While the embodiment of the composite fabric according to the invention shown in FIGS. 2a to 2c and 3 is characterized in that both the
Gemäß einer speziellen Ausführungsform des in den Fig. 2a bis 2c dargestellten Verbundgewebes weist das Papiermaschinensieb die folgende Zusammensetzung auf:
Die erfindungsgemäßen Verbundgewebe können sowohl flach gewebt als auch rund gewebt sein. Im ersten Fall sind die Kettfäden die Längsfäden und das Siebgewebe muß durch eine Naht endlos gemacht werden. Im zweiten Fall bilden die Schußfäden die Längsfäden bzw. Umfangsfäden des Gewebeschlauches.The composite fabrics according to the invention can be woven flat or round. In the first case, the warp threads are the longitudinal threads and the screen fabric must be made endless by a seam. In the second case, the weft threads form the longitudinal threads or circumferential threads of the fabric tube.
Es versteht sich im Hinblick auf die obigen Ausführungen, daß der Erfindungsvorschlag nicht auf einfache Obergewebe oder die in den Fig. 2a, 2c, 3 und 4 dargestellten Untergewebe beschränkt ist, sondern sich bei den vielfältigsten Gewebearten verwirklichen läßt, die zu Verbundgeweben zusammengebaut sind.It is understood in view of the above statements that the inventive proposal is not limited to simple upper fabrics or the lower fabrics shown in FIGS. 2a, 2c, 3 and 4, but can be realized with the most varied types of fabric, which are assembled into composite fabrics.
Claims (10)
- A composite papermaking wire, comprising a first or upper fabric and a second or lower fabric superimposed to one another and connected by binding threads, characterized in that the binding threads (1, 2, 1', 2') are fabric-born threads, wherein a first thread (1, 1') is interwoven with in cross direction of it extending threads of the first fabric (3) within the binding pattern of said fabric over at least one length of the weave pattern, and a second thread (2, 2') is interwoven with in cross direction of it extending threads of the second fabric (4, 5) within the binding pattern of said fabric (4, 5) of at least one length of the weave pattern, said first thread (1, 1') and said second thread (2, 2') of the wire are crossing one another several times, moreover, wherein the first thread (1, 1') is interwoven with the threads of the second fabric (4, 5) extending in cross direction of it within the binding pattern of said second fabric over at least one length of the weave pattern, and said second thread (2, 2') is interwoven with the threads of the first fabric (3) extending in cross direction to it within the binding pattern of said first fabric over at least one length of the weave pattern.
- A composite wire according to claim 1, characterized in that the first fabric (3) as well as the second fabric (4) are one-layer fabrics.
- A composite wire according to claim 1, characterized in that at least one of the two fabrics consists of more than one layer.
- A composite wire according to one of claims 1 to 3, characterized in that those fabric-born threads (1, 1', 2, 2') connecting the first fabric to the second fabric extend parallel to the running direction of the papermaking wire.
- A composite wire according to one of claims 1 to 3, characterized in that those fabric-born threads (1, 1', 2, 2') connecting the first fabric to the second fabric extend transverse to the running direction of the papermaking wire.
- A composite wire according to claim 4, characterized in that those threads parallel to the running direction of the papermaking wire consist of at least 25% binding threads (1, 1', 2, 2') for the first and the second fabric.
- A composite wire according to one of claims 1 to 6, characterized in that the binding threads (1, 1', 2, 2') are interwoven with the first or upper fabric and the second or lower fabric in such a kind that the structural coincidence is at least identical to that one of the longitudinally directed threads with respect to the cross directed threads of the thread systems of the first and the second fabric.
- A composite wire according to one of claims 1 to 7, characterized in that the first or upper fabric is woven in linen binding and that the second or lower fabric is formed as weft runner in a four-shed broken twill binding so that each fourth longitudinal thread of the second or lower fabric and each fourth longitudinal thread of the first or upper fabric is a binding thread (1, 1', 2, 2').
- A composite wire according to claim 8, characterized in that the binding threads (1, 1', 2, 2') which are separated by three interposed longitudinal threads of the first or upper fabric or the second or lower fabric, respectively, are offset with respect to one another by four cross threads of the upper fabric or lower fabric, respectively.
- A composite wire according to one of claims 1 to 7, characterized in that the number of the binding threads (1, 1', 2, 2') corresponds to at least 10% of those threads running in the same direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3938159 | 1989-11-16 | ||
| DE3938159A DE3938159A1 (en) | 1989-11-16 | 1989-11-16 | COMPOSITE FABRICS FOR PAPER MACHINE BENCH |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0432413A1 EP0432413A1 (en) | 1991-06-19 |
| EP0432413B1 true EP0432413B1 (en) | 1994-06-29 |
Family
ID=6393682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP90119904A Expired - Lifetime EP0432413B1 (en) | 1989-11-16 | 1990-10-17 | Compound tissue for paper-making machine fabrics |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5152326A (en) |
| EP (1) | EP0432413B1 (en) |
| AT (1) | ATE107979T1 (en) |
| DE (2) | DE3938159A1 (en) |
| ES (1) | ES2057318T3 (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU654890B2 (en) * | 1991-11-22 | 1994-11-24 | Albany Nordiskafilt Ab | Fabric for papermaking machines |
| US6223780B1 (en) | 1998-11-18 | 2001-05-01 | Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. | Textile planar structure having machine and cross-machine direction binding yarns |
| EP1158089A2 (en) * | 2000-05-26 | 2001-11-28 | Weavexx Corporation | Papermaker's forming fabric |
| WO2002000996A1 (en) * | 2000-06-29 | 2002-01-03 | Andreas Kufferath Gmbh & Co. Kg | Paper making wire cloth |
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| EP1754820A1 (en) | 2005-08-18 | 2007-02-21 | Voith Patent GmbH | Papermaking fabric |
| EP1788151A1 (en) | 2005-11-21 | 2007-05-23 | Voith Patent GmbH | Papermaking fabric |
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Families Citing this family (113)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE462859B (en) * | 1989-06-28 | 1990-09-10 | Scandiafelt Ab | PRESS FELT |
| US5219004A (en) * | 1992-02-06 | 1993-06-15 | Lindsay Wire, Inc. | Multi-ply papermaking fabric with binder warps |
| DE4229828C2 (en) * | 1992-09-07 | 1996-07-04 | Kufferath Andreas Gmbh | Paper machine screen in the form of a composite fabric |
| JP2651892B2 (en) * | 1994-05-17 | 1997-09-10 | 日清紡績株式会社 | Weaving method |
| US5454405A (en) * | 1994-06-02 | 1995-10-03 | Albany International Corp. | Triple layer papermaking fabric including top and bottom weft yarns interwoven with a warp yarn system |
| US5518042A (en) * | 1994-09-16 | 1996-05-21 | Huyck Licensco, Inc. | Papermaker's forming fabric with additional cross machine direction locator and fiber supporting yarns |
| US5983953A (en) * | 1994-09-16 | 1999-11-16 | Weavexx Corporation | Paper forming progess |
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| AU699702B2 (en) * | 1994-09-16 | 1998-12-10 | Huyck Licensco Corporation | Papermakers' forming fabric |
| US5538047A (en) * | 1995-04-11 | 1996-07-23 | Warnecke; Hans O. | Streakless fabric weaving |
| US5641001A (en) * | 1995-08-16 | 1997-06-24 | Huyck Licensco, Inc. | Papermaker's fabric with additional cross machine direction yarns positioned in saddles |
| GB9604602D0 (en) * | 1996-03-04 | 1996-05-01 | Jwi Ltd | Composite papermaking fabric with paired weft binder yarns |
| US5937914A (en) * | 1997-02-20 | 1999-08-17 | Weavexx Corporation | Papermaker's fabric with auxiliary yarns |
| US5865219A (en) * | 1997-07-31 | 1999-02-02 | Asten, Inc. | Double layer papermaking fabric having a high stability weave |
| US5967195A (en) * | 1997-08-01 | 1999-10-19 | Weavexx Corporation | Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| US5881764A (en) * | 1997-08-01 | 1999-03-16 | Weavexx Corporation | Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
| GB9811089D0 (en) | 1998-05-23 | 1998-07-22 | Jwi Ltd | Warp-tied composite forming fabric |
| US6112774A (en) * | 1998-06-02 | 2000-09-05 | Weavexx Corporation | Double layer papermaker's forming fabric with reduced twinning. |
| TW590127U (en) * | 1998-10-29 | 2004-06-01 | Mol Belting Co | Interwoven belt fabric |
| US6183601B1 (en) | 1999-02-03 | 2001-02-06 | Kimberly-Clark Worldwide, Inc. | Method of calendering a sheet material web carried by a fabric |
| GB2351505A (en) * | 1999-06-29 | 2001-01-03 | Jwi Ltd | Two-layer woven fabric for papermaking machines |
| US6179013B1 (en) | 1999-10-21 | 2001-01-30 | Weavexx Corporation | Low caliper multi-layer forming fabrics with machine side cross machine direction yarns having a flattened cross section |
| US6123116A (en) * | 1999-10-21 | 2000-09-26 | Weavexx Corporation | Low caliper mechanically stable multi-layer papermaker's fabrics with paired machine side cross machine direction yarns |
| US6334467B1 (en) | 1999-12-08 | 2002-01-01 | Astenjohnson, Inc. | Forming fabric |
| US6585006B1 (en) | 2000-02-10 | 2003-07-01 | Weavexx Corporation | Papermaker's forming fabric with companion yarns |
| GB0005344D0 (en) * | 2000-03-06 | 2000-04-26 | Stone Richard | Forming fabric with machine side layer weft binder yarns |
| KR100831492B1 (en) * | 2000-07-28 | 2008-05-22 | 브라이엄 영 유니버시티 | Iso truss structure |
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| DE10039736A1 (en) * | 2000-08-16 | 2002-03-07 | Kufferath Andreas Gmbh | composite fabric |
| US6745797B2 (en) | 2001-06-21 | 2004-06-08 | Weavexx Corporation | Papermaker's forming fabric |
| TW565647B (en) | 2001-08-17 | 2003-12-11 | Univ Brigham Young | Method and apparatus for fabricating complex, composite structures from continuous fibers |
| JP3925915B2 (en) * | 2002-05-24 | 2007-06-06 | 日本フイルコン株式会社 | Industrial two-layer fabric |
| NO333373B1 (en) * | 2002-05-24 | 2013-05-13 | Nippon Filcon Kk | Industrial tolys fabric |
| GB2391557A (en) * | 2002-08-06 | 2004-02-11 | Richard Stone | Forming fabric for papermaking |
| TWI225531B (en) * | 2002-09-04 | 2004-12-21 | Univ Brigham Young | Three-dimensional grid panel |
| US6834684B2 (en) * | 2002-10-24 | 2004-12-28 | Albany International Corp. | Paired warp triple layer forming fabrics with optimum sheet building characteristics |
| US7048012B2 (en) * | 2002-10-24 | 2006-05-23 | Albany International Corp. | Paired warp triple layer forming fabrics with optimum sheet building characteristics |
| US6769535B2 (en) | 2002-11-07 | 2004-08-03 | Albany International Corp. | High drainage dimensionallally stable brownstock washer belt design |
| US20040102118A1 (en) * | 2002-11-27 | 2004-05-27 | Hay Stewart Lister | High permeability woven members employing paired machine direction yarns for use in papermaking machine |
| US6827821B2 (en) * | 2002-12-02 | 2004-12-07 | Voith Fabrics Heidenheim Gmbh & Co. Kg | High permeability, multi-layer woven members employing machine direction binder yarns for use in papermaking machine |
| US6854488B2 (en) * | 2002-12-24 | 2005-02-15 | Voith Fabrics Heidenheim Gmbh & Co., Kg | Fabrics with paired, interchanging yarns having discontinuous weave pattern |
| US6883556B2 (en) * | 2002-12-30 | 2005-04-26 | Albany International Corp. | Double cross parallel binder fabric |
| AU2003300929C1 (en) * | 2002-12-30 | 2009-03-26 | Albany International Corp. | Multi-layer fabric for paper making machine |
| US6837277B2 (en) | 2003-01-30 | 2005-01-04 | Weavexx Corporation | Papermaker's forming fabric |
| US6860969B2 (en) | 2003-01-30 | 2005-03-01 | Weavexx Corporation | Papermaker's forming fabric |
| US20060231154A1 (en) * | 2003-03-03 | 2006-10-19 | Hay Stewart L | Composite forming fabric |
| WO2004079089A1 (en) * | 2003-03-03 | 2004-09-16 | Voith Fabrics Patent Gmbh | A composite forming fabric |
| US6896009B2 (en) * | 2003-03-19 | 2005-05-24 | Weavexx Corporation | Machine direction yarn stitched triple layer papermaker's forming fabrics |
| US7059357B2 (en) * | 2003-03-19 | 2006-06-13 | Weavexx Corporation | Warp-stitched multilayer papermaker's fabrics |
| US6905574B2 (en) * | 2003-04-18 | 2005-06-14 | Albany International Corp. | Multi-layer forming fabric with two warp systems bound together with a triplet of binder yarns |
| US6902652B2 (en) * | 2003-05-09 | 2005-06-07 | Albany International Corp. | Multi-layer papermaker's fabrics with packing yarns |
| WO2004104295A1 (en) * | 2003-05-22 | 2004-12-02 | Voith Fabric Patent Gmbh | Warp bound composite papermaking fabric |
| US7059359B2 (en) * | 2003-05-22 | 2006-06-13 | Voith Fabrics | Warp bound composite papermaking fabric |
| FI20030983A (en) * | 2003-06-30 | 2004-12-31 | Tamfelt Oyj Abp | A paper machine fabric |
| GB0317248D0 (en) * | 2003-07-24 | 2003-08-27 | Voith Fabrics Gmbh & Co Kg | Fabric |
| US6978809B2 (en) | 2003-09-29 | 2005-12-27 | Voith Fabrics | Composite papermaking fabric |
| US20060073751A1 (en) * | 2003-11-18 | 2006-04-06 | Mol Belting Company | Interwoven belt fabric |
| DE102004016640B3 (en) * | 2004-03-30 | 2005-08-11 | Andreas Kufferath Gmbh & Co. Kg | Fourdrinier, especially for a papermaking machine to produce toilet paper, is of two bonded woven layers with an increased weft count in the upper layer |
| 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 |
| US20060048840A1 (en) | 2004-08-27 | 2006-03-09 | Scott Quigley | Compound forming fabric with additional bottom yarns |
| DE102004044570A1 (en) * | 2004-09-15 | 2006-03-30 | Voith Fabrics Patent Gmbh | Machine for producing a fibrous web |
| DE102004045088A1 (en) * | 2004-09-17 | 2006-03-23 | Voith Fabrics Patent Gmbh | Covering for a machine for producing a fibrous web |
| GB2418675A (en) * | 2004-09-30 | 2006-04-05 | Dale Bernard Johnson | Papermaking fabric |
| KR100886468B1 (en) | 2004-09-30 | 2009-03-04 | 아스텐존슨 인코포레이티드 | Double layer forming fabric for a papermaking machine |
| US7195040B2 (en) * | 2005-02-18 | 2007-03-27 | Weavexx Corporation | Papermaker's forming fabric with machine direction stitching yarns that form machine side knuckles |
| US7059360B1 (en) | 2005-03-03 | 2006-06-13 | Albany International Corp. | Double layer forming fabric with paired warp binder yarns |
| US7431802B2 (en) * | 2005-06-22 | 2008-10-07 | Voith Paper Patent Gmbh | Compound paper making fabric |
| US7484538B2 (en) | 2005-09-22 | 2009-02-03 | Weavexx Corporation | Papermaker's triple layer forming fabric with non-uniform top CMD floats |
| US7219701B2 (en) * | 2005-09-27 | 2007-05-22 | Weavexx Corporation | Papermaker's forming fabric with machine direction stitching yarns that form machine side knuckles |
| DE102005060299A1 (en) * | 2005-12-16 | 2007-06-21 | Voith Patent Gmbh | papermaker |
| DE102005060300A1 (en) | 2005-12-16 | 2007-06-21 | Voith Patent Gmbh | papermaker |
| DE102005060301A1 (en) * | 2005-12-16 | 2007-06-21 | Voith Patent Gmbh | Paper machine clothing |
| US7357155B2 (en) * | 2005-12-29 | 2008-04-15 | Albany International Corp. | Different contour paired binders in multi-layer fabrics |
| DE102006001388A1 (en) * | 2006-01-11 | 2007-07-12 | Andreas Kufferath Gmbh & Co. Kg | papermaker |
| US7275566B2 (en) | 2006-02-27 | 2007-10-02 | Weavexx Corporation | Warped stitched papermaker's forming fabric with fewer effective top MD yarns than bottom MD yarns |
| US7580229B2 (en) | 2006-04-27 | 2009-08-25 | Hitachi Global Storage Technologies Netherlands B.V. | Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with antiparallel-free layer structure and low current-induced noise |
| CA2672006C (en) | 2006-12-08 | 2014-06-17 | Voith Patent Gmbh | Fabric belt for a machine for the production of web material, particularly paper or cardboard |
| DE102007058369A1 (en) | 2007-12-03 | 2009-06-04 | Voith Patent Gmbh | Cloth tape for machine for manufacturing of sheet material, particularly paper or cardboard, has layer of cloth formed by interweaving warp yarns with filling yarns and side for contacting tape material |
| US7743795B2 (en) * | 2006-12-22 | 2010-06-29 | Voith Patent Gmbh | Forming fabric having binding weft yarns |
| US7604025B2 (en) * | 2006-12-22 | 2009-10-20 | Voith Patent Gmbh | Forming fabric having offset binding warps |
| US7487805B2 (en) | 2007-01-31 | 2009-02-10 | Weavexx Corporation | Papermaker's forming fabric with cross-direction yarn stitching and ratio of top machined direction yarns to bottom machine direction yarns of less than 1 |
| US20080196784A1 (en) * | 2007-02-15 | 2008-08-21 | Scott Quigley | Wear side weave pattern of a composite forming fabric |
| US7624766B2 (en) * | 2007-03-16 | 2009-12-01 | Weavexx Corporation | Warped stitched papermaker's forming fabric |
| US7959764B2 (en) * | 2007-06-13 | 2011-06-14 | Voith Patent Gmbh | Forming fabrics for fiber webs |
| WO2009018274A1 (en) * | 2007-07-30 | 2009-02-05 | Astenjohnson, Inc. | Warp-tied forming fabric with selective warp pair ordering |
| US7879195B2 (en) * | 2007-09-06 | 2011-02-01 | Voith Patent Gmbh | Structured forming fabric and method |
| US7879193B2 (en) * | 2007-09-06 | 2011-02-01 | Voith Patent Gmbh | Structured forming fabric and method |
| US7879194B2 (en) * | 2007-09-06 | 2011-02-01 | Voith Patent Gmbh | Structured forming fabric and method |
| DE102007046113A1 (en) * | 2007-09-21 | 2009-04-02 | Voith Patent Gmbh | forming fabric |
| US20090183795A1 (en) | 2008-01-23 | 2009-07-23 | Kevin John Ward | Multi-Layer Papermaker's Forming Fabric With Long Machine Side MD Floats |
| US7861747B2 (en) * | 2008-02-19 | 2011-01-04 | Voith Patent Gmbh | Forming fabric having exchanging and/or binding warp yarns |
| US7878224B2 (en) * | 2008-02-19 | 2011-02-01 | Voith Patent Gmbh | Forming fabric having binding warp yarns |
| US8002950B2 (en) * | 2008-06-11 | 2011-08-23 | Voith Patent Gmbh | Structured fabric for papermaking and method |
| US7766053B2 (en) | 2008-10-31 | 2010-08-03 | Weavexx Corporation | Multi-layer papermaker's forming fabric with alternating paired and single top CMD yarns |
| JP5281877B2 (en) * | 2008-11-28 | 2013-09-04 | 日本フイルコン株式会社 | Industrial two-layer fabric |
| US8196613B2 (en) | 2009-02-25 | 2012-06-12 | Kevin John Ward | Multi-layer papermaker's forming fabric with paired MD binding yarns |
| US7866350B1 (en) | 2009-07-31 | 2011-01-11 | Voith Patent Gmbh | Forming fabric for the production of a fibrous web material |
| CN101644010B (en) * | 2009-08-25 | 2014-09-17 | 袁丽君 | Fabric for filtering and paper-making |
| CN101666004B (en) * | 2009-09-09 | 2014-04-16 | 袁丽君 | Fabric used for filtering and paper making |
| CN101666005B (en) * | 2009-09-09 | 2014-04-16 | 袁丽君 | Fabric used for filtering and paper making |
| US8251103B2 (en) | 2009-11-04 | 2012-08-28 | Weavexx Corporation | Papermaker's forming fabric with engineered drainage channels |
| DE102010017055A1 (en) | 2010-05-21 | 2011-11-24 | Andritz Technology And Asset Management Gmbh | forming wire |
| FI20115222L (en) * | 2011-03-04 | 2012-09-05 | Metso Fabrics Oy | Paper machine fabric |
| EP2584091B1 (en) * | 2011-10-22 | 2014-04-02 | Heimbach GmbH & Co. KG | Woven papermaker fabric, in particular a forming fabric |
| US20150102526A1 (en) | 2013-10-16 | 2015-04-16 | Huyck Licensco, Inc. | Fabric formed by three-dimensional printing process |
| EP2899311B1 (en) | 2014-01-28 | 2016-01-13 | Heimbach GmbH & Co. KG | Paper maker fabric |
| US10584491B2 (en) | 2017-03-06 | 2020-03-10 | Isotruss Industries Llc | Truss structure |
| US10180000B2 (en) | 2017-03-06 | 2019-01-15 | Isotruss Industries Llc | Composite lattice beam |
| DE102017007127A1 (en) * | 2017-07-31 | 2019-01-31 | Gkd - Gebr. Kufferath Ag | Filter fabric and use of a filter fabric |
| CN111742101B (en) | 2018-02-12 | 2022-08-26 | 哈伊克许可公司 | Multi-layer papermaker's forming fabric with auxiliary bottom MD yarns |
| USD896401S1 (en) | 2018-03-06 | 2020-09-15 | Isotruss Industries Llc | Beam |
| USD895157S1 (en) | 2018-03-06 | 2020-09-01 | IsoTruss Indsutries LLC | Longitudinal beam |
| US11339534B2 (en) | 2019-09-18 | 2022-05-24 | Huyck Licensco Inc. | Multi-layer warp bound papermaker's forming fabrics |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0069101A2 (en) * | 1981-06-23 | 1983-01-05 | Nordiskafilt Ab | A forming fabric |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB424552A (en) * | 1934-09-29 | 1935-02-22 | Thomas Hindle | Improvements in drier felts for use on paper making machines |
| DE2317694A1 (en) * | 1972-04-10 | 1973-10-31 | Union Carbide Corp | PROCEDURE FOR PACKAGING IMPROPERLY SHAPED ITEMS |
| DE3224187C2 (en) * | 1982-06-29 | 1989-01-12 | Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen | Bandage fabric as a covering for the sheet forming area of a paper machine |
| DE3301810C2 (en) * | 1983-01-20 | 1986-01-09 | Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen | Composite fabric as a covering for the sheet forming part of a paper machine |
| DE3305713C1 (en) * | 1983-02-18 | 1984-04-19 | Hermann Wangner Gmbh & Co Kg, 7410 Reutlingen | Composite fabric as covering for the sheet forming part of a paper machine |
| DE3425808A1 (en) * | 1983-07-16 | 1985-01-24 | Andreas Kufferath GmbH & Co KG, 5160 Düren | Multi-layer dewatering screen, especially for the sheet-forming part of a paper machine |
| ATE43376T1 (en) * | 1984-06-14 | 1989-06-15 | Oberdorfer Fa F | PAPER MACHINE SCREEN. |
| DE3426264A1 (en) * | 1984-07-17 | 1986-01-30 | Franz F. 5160 Düren Kufferath | DRAINAGE TAPE FOR PRESSES IN THE WET OF A PAPER MACHINE |
| DE3705345A1 (en) * | 1987-02-19 | 1988-09-01 | Oberdorfer Fa F | COMPOSITE FABRIC AS A COVER FOR THE SHEET FORMING PART OF A PAPER MACHINE |
| DE3713510A1 (en) * | 1987-04-22 | 1988-11-10 | Oberdorfer Fa F | PAPER MACHINE SCREEN FROM A DOUBLE-LAYER FABRIC |
| DE3801051A1 (en) * | 1988-01-15 | 1989-07-27 | Wangner Gmbh Co Kg Hermann | DOUBLE-DAY LOADING FOR THE SHEETING AREA OF A PAPER MACHINE |
| FI81624C (en) * | 1988-12-08 | 1990-11-12 | Tamfelt Oy Ab | PAPPERSMASKINDUK. |
-
1989
- 1989-11-16 DE DE3938159A patent/DE3938159A1/en not_active Ceased
-
1990
- 1990-10-17 AT AT90119904T patent/ATE107979T1/en not_active IP Right Cessation
- 1990-10-17 EP EP90119904A patent/EP0432413B1/en not_active Expired - Lifetime
- 1990-10-17 DE DE59006308T patent/DE59006308D1/en not_active Expired - Lifetime
- 1990-10-17 ES ES90119904T patent/ES2057318T3/en not_active Expired - Lifetime
- 1990-11-14 US US07/613,205 patent/US5152326A/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0069101A2 (en) * | 1981-06-23 | 1983-01-05 | Nordiskafilt Ab | A forming fabric |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU654890B2 (en) * | 1991-11-22 | 1994-11-24 | Albany Nordiskafilt Ab | Fabric for papermaking machines |
| US5458693A (en) * | 1991-11-22 | 1995-10-17 | Albany Nordiskafilt Ab | Fabric for papermaking machines and the like |
| US6223780B1 (en) | 1998-11-18 | 2001-05-01 | Thomas Josef Heimbach Gesellschaft Mit Beschrankter Haftung & Co. | Textile planar structure having machine and cross-machine direction binding yarns |
| EP1158089A2 (en) * | 2000-05-26 | 2001-11-28 | Weavexx Corporation | Papermaker's forming fabric |
| WO2002000996A1 (en) * | 2000-06-29 | 2002-01-03 | Andreas Kufferath Gmbh & Co. Kg | Paper making wire cloth |
| DE10030650C1 (en) * | 2000-06-29 | 2002-05-29 | Kufferath Andreas Gmbh | papermaker |
| EP1294981B2 (en) † | 2000-06-29 | 2014-09-03 | Andritz Technology and Asset Management GmbH | Paper making wire cloth |
| DE10123204A1 (en) * | 2001-05-12 | 2002-11-21 | Kufferath Andreas Gmbh | Papermaking sieve screen with individual webs for paper- and backing sides, employs alternating warp to secure webs together |
| DE10123204C2 (en) * | 2001-05-12 | 2003-03-27 | Kufferath Andreas Gmbh | papermaker |
| EP1754820A1 (en) | 2005-08-18 | 2007-02-21 | Voith Patent GmbH | Papermaking fabric |
| EP1788151A1 (en) | 2005-11-21 | 2007-05-23 | Voith Patent GmbH | Papermaking fabric |
| DE102011083192A1 (en) | 2011-09-22 | 2013-03-28 | Voith Patent Gmbh | Paper making wire cloth, particularly forming fabric for sheet forming zone of paper or tissue machine in paper manufacturing industry, has lower float thread provided in lower repeat unit that forms machine-sided thread longitudinal floats |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE107979T1 (en) | 1994-07-15 |
| EP0432413A1 (en) | 1991-06-19 |
| US5152326A (en) | 1992-10-06 |
| ES2057318T3 (en) | 1994-10-16 |
| DE59006308D1 (en) | 1994-08-04 |
| DE3938159A1 (en) | 1991-05-23 |
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