WO2015018547A1 - Papiermaschinensieb, dessen laufseite querfäden mit unterschiedlicher flottierungslänge aufweist - Google Patents
Papiermaschinensieb, dessen laufseite querfäden mit unterschiedlicher flottierungslänge aufweist Download PDFInfo
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- WO2015018547A1 WO2015018547A1 PCT/EP2014/061360 EP2014061360W WO2015018547A1 WO 2015018547 A1 WO2015018547 A1 WO 2015018547A1 EP 2014061360 W EP2014061360 W EP 2014061360W WO 2015018547 A1 WO2015018547 A1 WO 2015018547A1
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- threads
- longitudinal
- fabric layer
- binding
- transverse
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Classifications
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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
-
- 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 present invention relates to a papermaking fabric according to the preamble of claim 1.
- Such a papermaking machine can, for example, in the wet end of a Pa iermaschine for dewatering / filtration of the paper pulp and thus to form the paper sheet (so-called sheet forming or Formationsssieb)
- such a papermaking screen may be formed as a so-called long-floating screen, i. as a screen whose lower transverse threads on the running side have long floats / form.
- Such strainers will be
- Running side to form the lower transverse threads for example, two different materials are used, e.g.
- Polyester and polyamide These two materials can be entered alternately in the longitudinal direction, for example, in succession on the running side, wherein polyester is used primarily for the mechanical stabilization of the fabric, while polyamide mainly to increase the
- Threaded longitudinal yarns are involved, resulting in that when using different materials for the lower transverse threads, for. to an uneven
- Paper machine can come (due to the different behavior of the threads in the fabric), which causes both the
- the lower transverse threads are evenly integrated and made of different materials, the sieve after its production (eg after weaving and a subsequent heat setting) to grind flat on the running side, to a different / uneven protrusion of the lower transverse threads down to
- One aspect of various embodiments can be clearly seen in providing a papermaking fabric whose running side is / can be designed to have a high running time and / or a suitable running behavior.
- embodiments may be seen to indicate a papermaking fabric having a running side thereof
- embodiments may be seen to indicate a papermaking fabric having a running side thereof is / may be that it has a high mechanical stability and / or high abrasion resistance.
- Embodiments can be clearly seen to indicate a papermaking fabric whose running side is / can be made uniform, e.g. with a substantially uniform supernatant of the lower transverse threads.
- embodiments may be seen to provide a papermaking fabric that is easy to manufacture.
- embodiments may be seen as providing a papermaker's fabric which can be manufactured with no or relatively little material loss.
- the invention provides a papermaker's fabric according to claim 1.
- Querfäden be provided with different diameters, which nevertheless have a substantially uniform projection on the running side, wherein the thicker diameter, e.g.
- Embodiments are used due to a different integration of the lower transverse threads different materials for the lower transverse threads, which led different materials in the conventional art to the problems mentioned above.
- the seam strength can be increased by an altered course of the lower longitudinal thread within the lower fabric.
- a papermaker's fabric may be a multi-ply fabric having an upper fabric ply and a lower fabric ply be educated.
- the multi-layer fabric may consist of upper and lower fabric layers. The upper and lower
- Fabric layers are bonded together by binding threads (e.g., binding transverse threads).
- the so-called paper side is formed, for example, from the upper side / outer side of the upper fabric layer, whereas by the
- Embodiments realize the circulation of the screen are protected by significantly over or protruding transverse threads from wear. On the paper side, e.g. by providing a balanced ratio of longitudinal and
- the bottom fabric layer has (e.g., consists of) a plurality of similarly constructed bottom binding briefs, each of which contains (e.g., consists of):
- lower transverse threads which run exclusively in the lower fabric layer and are interwoven with the longitudinal threads running in the lower fabric layer (for example, with complete formation of the lower binding).
- At least the lower transverse threads are thus formed as such threads, which remain exclusively in a fabric layer (namely the lower) / run.
- Fabric layers extending longitudinal threads can basically as changing threads (for example in the form of so-called functional longitudinal thread pairs) and / or as exclusively in one
- the lower transverse threads are in each case exactly two in the lower one
- Cross threads on the barrel side form a shorter float than the second lower transverse threads.
- each JEN second lower transverse thread may also be substantially equal.
- the floats i. the floats of the first lower transverse threads may be substantially equal to / long, and the floats of the second lower transverse threads may also be substantially equal to / long.
- each lower transverse thread then forms on the running side within the lower Binding Repeats a long cross-thread floatation or
- Cross-thread bridge which extends over more than half of the longitudinal threads away, with which the respective lower transverse thread is interwoven or which subjacent transverse thread in the lower fabric within the lower binding repeat underhanded.
- the running-side floatation of the respective lower transverse thread in the lower weave repeat can also be referred to as the longest or longer distance in the transverse direction between the first and second tie-in points. It is counted / measured in the transverse direction over the edge of the lower binding repeat, since further lower binding repeats can follow (directly) to the left and to the right of the lower binding repeat.
- the shortest distance is smaller than the longer distance, so that the lower transverse threads all have / have long floats on the running side.
- Cross threads for example achieved / achieved by / be that at the first lower transverse threads between the first and second binding pieces at least one in the lower
- Top view of the side facing away from the running side of the lower fabric layer is arranged more than the second lower Querf the.
- a case should be included or included, in which at the first lower transverse threads
- first and second binding point only one and consequently at the second lower transverse threads no in the lower fabric layer extending longitudinal thread which overflows the lower transverse thread is provided; see below.
- first lower transverse threads exactly one longitudinal thread or exactly two longitudinal threads may be arranged more than in the second lower transverse threads (or exactly one or exactly two "additional" longitudinal threads).
- the number of longitudinal threads extending in the lower fabric layer which may be the respective lower transverse thread between the first and second
- overrun - for example, a longitudinal thread or two
- the shortest distance, expressed in intermediate longitudinal threads running in the lower fabric layer, which overflow the lower transverse thread, is zero longitudinal threads or one longitudinal thread (in plan view on the upper side of the lower fabric layer).
- the lower binding repeat at the first lower transverse threads between the first and second binding sites for example, exactly one longitudinal thread running in the lower fabric layer overlying the lower transverse thread can be arranged, wherein in the lower binding repeat at the second lower transverse threads first and second binding point in each case no longitudinal thread running in the lower fabric layer, which the bottom cross thread overflows, is arranged so that the
- two binding sites are arranged immediately adjacent to each other.
- the ⁇ is a ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- first lower transverse threads with a different course or a different weave or overlapping pattern
- first lower transverse threads with a different course or a different weave or overlapping pattern
- Longitudinal threads are as follows: under seven consecutive longitudinal threads, over a longitudinal thread, under an elongated thread and over a longitudinal thread (in the plan view on the upper side of the lower fabric layer).
- the respective "starting point" or the binding points can vary in the transverse direction as mentioned.
- it may be staggered in the longitudinal direction adjacent to the first lower transverse threads in the transverse direction, e.g. offset to the binding sites of each other first lower transverse thread of the lower weave repeat.
- Transverse yarns may for example be staggered, e.g. offset to the binding sites of any other second lower transverse thread of the lower weave repeat.
- the binding points of two longitudinally immediately following first lower transverse threads in the transverse direction can be offset, for example, always by the same amount of longitudinal thread running in the lower fabric layer and in the same direction (ie with a constant pitch) ,
- the binding sites of two longitudinally successive second lower transverse threads may be in the lower binding repeat. According to various embodiments, in the lower binding repeat, the binding sites of two longitudinally successive second lower transverse threads may be in the lower binding repeat.
- Transverse direction for example, always be offset by the same amount of running in the lower fabric layer longitudinal thread and in the same direction.
- the pitch may be the lower bound repeat for the first lower transverse threads
- the pitch may also be "three longitudinal threads to the left" (viewed from the top of the lower fabric layer).
- the ratio of first lower transverse threads to second lower transverse threads in the lower binding repeat may be, for example, 1: 1, e.g. with direct alternating longitudinal alignment, or 2: 1, e.g. in a repetitive sequence in the longitudinal direction of two immediately adjacent first lower transverse threads and a subsequent second lower transverse thread, or 1: 2, e.g. in a repetitive sequence in the longitudinal direction of a first lower transverse threads and two subsequent immediately adjacent second lower transverse threads.
- the first lower transverse threads may have different heat-setting properties relative to the second lower transverse threads, e.g. a different shrinkage behavior than the second lower transverse threads.
- the ⁇ is a ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- Heat setting behavior e.g. Shrinkage behavior
- Heat-setting properties compensated or at least reduced is / is.
- the first lower transverse threads may have a different cross-sectional shape and / or a different diameter than the second lower transverse threads, and / or the first lower transverse threads may be made of a different material than the second lower transverse threads, and / or the first lower transverse threads
- thermofixing behavior e.g. mechanically treated differently, e.g. stretched differently.
- Materials may e.g. a combination of materials is understood as meaning polyamide and polyester, or a first polyamide (for example PA 6.6) and a second polyamide (for example PA 6.10 or PA 6.12 or PA 10 or PA 12), or a first polyester and a second, different polyester. According to the
- the ⁇ is a ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- thermosetting properties For example, in the case of a different one
- the different floats length of the first lower Querf den and the second lower Querf the on the running side for example, be chosen so that they one
- the ⁇ is a ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- papermaking fabric may be formed as a plastic fabric, e.g. as a heat-set
- At least the lower transverse threads may be formed as Kunststoffffff, e.g. also the longitudinal threads and transverse threads running in the upper fabric layer as well as the longitudinal threads running in the lower fabric layer.
- a respective lower transverse thread / KunststoffStofffaden can be made for example of polyamide or polyester.
- the first lower transverse threads may be made of one of polyamide and polyester, whereas the second transverse threads are made of the other of polyamide and polyester.
- the first lower transverse threads may be made of PA, whereas the second lower transverse threads are made of polyester (or vice versa).
- the ⁇ is a ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
- Paper machine screen for example, be formed as a cross-thread-bonded, multi-layer fabric in which the binding threads are formed by transverse threads.
- connection of upper and lower fabric layer can be made exclusively with transverse threads.
- the invention is not limited thereto, and the
- Connection of upper and lower fabric layer can e.g.
- the binding threads may extend from the upper fabric layer
- Be formed transverse threads on the one hand contribute to the formation of the upper bond and on the other hand partially submerged in the lower fabric layer, there to undercut at least one running in the lower fabric layer longitudinal thread and thereby connect the lower to the upper fabric layer.
- binding cross threads only contribute to
- Connection of upper and lower fabric layer can e.g.
- the longitudinal threads running in the lower fabric layer may be formed, for example, as lower longitudinal threads (completely or partially), which are exclusively in the lower fabric layer run and, for example, are interwoven with the lower transverse threads with complete formation of the lower bond.
- the respective lower weave repeat may comprise at least 8 longitudinal threads extending in the lower fabric layer, e.g.
- the ratio of lower transverse threads to longitudinal threads running in the lower fabric layer e.g. lower longitudinal strands, for example 2: 1, e.g. exactly 16: 8 or exactly 20:10 or exactly 24:12.
- a transverse thread connection to the upper fabric layer may always be provided immediately after the lower transverse threads arranged one behind the other, e.g. formed by exactly one binding transverse thread, temporarily in the lower
- Fabric layer runs while at least or undermines a running in the lower fabric layer lengthwise.
- the diameter of the lower transverse threads may for example be greater than the diameter of the transverse threads running in the upper fabric layer and / or greater than the diameter of the binding threads, and / or
- the diameter of the lower transverse threads may be greater than the diameter of the longitudinal threads running in the lower fabric layer, for example the lower longitudinal threads, and / or
- the lower transverse threads in the overall repeat of all the threads have the largest diameter.
- the upper fabric layer is not limited to a particular embodiment, and it may be a
- Fabric layer may be formed by way of example from a plurality of identically constructed upper binding repeats (e.g.
- binding transverse threads on the one hand complete the upper binding and on the other hand submerge in sections in the lower fabric layer, there to undercut at least one running in the lower fabric layer longitudinal thread and thereby connect the lower to the upper fabric layer.
- the upper fabric layer may be formed, for example, with a plain weave, which may be formed, for example, of upper longitudinal threads interwoven with upper transverse threads and with imaginary continuous upper transverse threads provided by functional transverse thread pairs, for example an upper transverse thread alternating one behind the other in the longitudinal direction and a functional one
- Querfadenplo are arranged on the paper side.
- One or both transverse threads of a functional pair may be formed as binding transverse threads.
- such longitudinal threads are, for example, those threads of the wire / fabric which run in the longitudinal direction or longitudinal extent of the wire.
- the longitudinal threads may be arranged in operation in the running direction of the paper machine.
- the respective longitudinal thread can according to different
- Embodiments therefore, e.g. also as the machine direction or machine direction thread ⁇ i. , MD thread for "machine
- transverse threads for example, such threads of the sieve / fabric that i transverse the direction of the sieve.
- the transverse threads may be arranged transversely to the direction of movement of the paper machine during operation.
- the respective transverse thread can according to
- Cross machine direction yarn ie, CMD yarn for "cross machine direction”
- the respective transverse yarn is formed as a weft.
- a single-layer fabric can be understood, comprising or consisting of interwoven transverse threads and longitudinal thread.
- Embodiments of the top (or the outwardly facing side) of the upper fabric or the upper fabric layer may be formed on the paper side of the screen on which the
- the upper fabric may e.g. be a (specially) finely formed fabric layer.
- the binding of the upper fabric layer is a plain weave.
- Embodiments of the underside (or the outwardly facing side) of the lower fabric or the lower fabric layer be formed the running side of the screen, which comes into direct contact with the wear generating drive and
- the lower tissue may e.g. be a (particularly) robust fabric layer.
- the binding of the lower fabric layer is one with long transverse thread floats on the running side.
- a long transverse thread float e.g. a floatation over more than half of the longitudinal threads running in the lower fabric layer are understood, ie at 8 lower longitudinal threads per total repeat e.g. floating over at least 5 consecutive lower longitudinal threads.
- upper fabric extending transverse threads are interwoven, so do not leave the upper fabric or. do not switch to the lower tissue. Additionally or alternatively, according to various embodiments, upper transverse threads may be those threads which extend exclusively in the upper fabric and there with in the
- Upper fabric extending longitudinal threads are interwoven, so do not leave the upper tissue or do not change into the lower tissue.
- Embodiments lower longitudinal threads such threads that are exclusively in the lower fabric and there are interwoven with running in the lower fabric transverse threads, so do not leave the lower tissue or do not change into the upper tissues.
- Underwoven extending longitudinal threads are interwoven, so do not leave the lower tissue or do not switch to the upper tissue.
- lower transverse threads and lower longitudinal threads together may completely form the binding of the lower fabric layer.
- Embodiments binding transverse threads be such transverse threads, which extend both in the upper fabric layer and in the lower fabric layer and thereby tie the lower fabric layer to the upper fabric layer.
- Embodiments a functional transverse thread pair of two directly juxtaposed transverse threads may be formed, wherein the two transverse threads of a functional
- Cross thread pair on the paper side together form an imaginary (uninterrupted) upper transverse thread, which fits into the weave pattern of the upper fabric layer, i. she
- Thread sections of the functional pair which are not just for the formation of paper-side virtually continuous
- Cross-threading can be used to connect the
- the recurrent weave pattern / yarn overlap pattern of the entire fabric including the top and bottom fabrics
- the course of all yarns eg top and bottom longitudinal yarns, top and bottom transverse yarns, binding cross yarns
- each thread is in all / two layers.
- the complete fabric or wire can be produced. That is, the sieve or the tissue can be from a variety of immediate
- Embodiments of the weave repeat of the upper fabric or the so-called. upper bound repeat a recurring pattern or
- Paper side of the screen can be a variety of such upper
- Binding repeats in the longitudinal and transverse direction of the screen to be recognized can thus be e.g. in the plan view of the upper fabric of upper longitudinal threads, upper transverse threads and binding transverse threads (if
- structuring represent recurrent overlapping patterns of the upper tissue (in particular also taking into account the change points of the functional pairs, if present).
- the upper binding repeat with respect to the course of the upper transverse threads and binding transverse threads.
- the upper longitudinal threads and the resulting overlap pattern relate to the course of the binding transverse threads with respect.
- Binding rapport has no meaning. If one considers for the respective functional transverse thread pair only the upper virtual / imaginary transverse thread formed by it (without
- Embodiments of the weave pattern of the bottom fabric and the bottom weave repeat, respectively, may be a repeating pattern in the bottom fabric, for example, the smallest repeating unit in the bottom fabric Lower tissue.
- a plurality of such lower binding repeats in the longitudinal and transverse direction of the screen can be seen, for example in the immediate
- the lower weave repeat may represent the recurrent overlapping pattern of the lower fabric formed in the plan view of the upper side of the lower fabric layer or the running side of the fabric from the lower transverse threads and the longitudinal threads (e.g., lower longitudinal threads) extending in the lower fabric layer (especially without regard to FIG).
- Binding sites through the binding transverse threads as these usually do not contribute to the formation of the second, lower binding).
- the lower binding repeat the course of the lower transverse threads with respect. the longitudinal threads running in the lower fabric layer (e.g., lower longitudinal threads) and the consequent overlapping pattern, the course of the binding cross stitches in the lower weave repeat fabric being of no importance.
- Figures 1 to 4 designed as a multi-layer fabric paper machine, ins. Sheet forming sieve (resp.
- Fig. 3 shows the lower binding repeat, in a view from above on top of the lower
- Fig. 4 again shows the lower binding repeat, here in a view from below on the underside of the lower one
- Running side formed as a multi-layer fabric
- Paper machine screen esp. Sheet forming screen (resp.
- Running side formed as a multi-layer fabric
- Paper machine screen esp. Sheet forming screen (resp.
- such threads extending from top to bottom are longitudinal threads and such threads extending from left to right are transverse threads.
- the longitudinal threads are shown in a circle (they extend perpendicular to the paper plane or to the viewer), and the transverse threads extend again from left to right.
- Figures 1 to 4 show a multi-layered fabric
- the sieve is formed as a multi-layer fabric with an upper fabric layer LI and a lower fabric layer L2, which by means of
- Binding threads (see the transverse thread 123 in Figure lb) and the transverse thread 126 in Figure ld)) are interconnected. From the upper fabric layer LI, the paper side PS of the screen is formed, whereas from the lower fabric layer L2, the running side LS of the screen is formed.
- the lower fabric layer L2 is made of a variety of
- Transverse threads 181-200 contains (for example, the respective repeat of said threads), which extend exclusively in the lower fabric layer L2 and are interwoven with the longitudinal threads 111-120 running in the lower fabric layer.
- Fabric layer extending longitudinal threads for example, be designed as lower longitudinal threads 111-120, which extend exclusively in the lower fabric layer L2 and are woven, for example, with the lower transverse threads 181-200 with complete formation of the lower bond.
- lower longitudinal threads even if in the lower Fabric layer extending longitudinal threads 111-120 can be configured differently.
- the lower transverse threads 181-200 are each bound by exactly two lower longitudinal threads 111-120 into the lower fabric layer, in that the respective lower transverse thread 181, 182,. x "by a first longitudinal thread 111, 115, ... and at a second binding point” x "by a second longitudinal thread 113, 116, ... is undercut.
- the lower transverse thread 181 is undercut by the longitudinal thread III at a first binding line "x" and by the longitudinal thread 113 at a second binding point "x" (see also FIG. 1 a).
- the thread 181 due to its double
- the lower transverse thread 182 is undercut by the longitudinal thread 115 at a first binding point "x" and by the longitudinal thread 116 at a second binding point "x" (see also FIG. 1c)).
- Transverse direction Q between the first and second binding point x is greater than in the second lower transverse threads II (see Figure 4: distance An).
- Running side LS form a shorter floatation F T than the second lower transverse threads II, the floating in Figure 4 with Fn is designated.
- the fleet can be considered the longest
- Cross thread section understood / designated, which extends on the running side over a number of successive lower longitudinal threads away (ie between two
- the float Fi is particularly well recognized for the thread 181
- the float P n is for the thread 198
- floating at the first lower transverse threads may extend beyond seven lower longitudinal threads
- the greater shortest distance A x in the transverse direction Q in the first lower transverse threads I can be achieved, for example, by at least one between the first and second binding points x at the first lower transverse threads a lower longitudinal thread III-120, which overflows the lower transverse thread, more
- Cross thread overflow - for example, amount exactly one longitudinal thread, wherein in the second lower transverse threads II, the shortest distance A IX - expressed in intermediate lower longitudinal threads 111-120, which overflow the lower transverse thread - zero longitudinal threads.
- Transverse direction Q be achieved, for example, by the fact that the first lower transverse threads I are introduced / woven with a different course with respect to the lower longitudinal threads 111-120 in the lower fabric layer than the second lower transverse threads II, wherein all of the first lower transverse threads I in the lower binding repeat basically have the same course and only the arrangement of the binding sites x in the transverse direction Q varies, and wherein all the second lower transverse threads II in the lower binding repeat basically the same course and only the arrangement of the binding sites x in the transverse direction Q varies.
- the course of the first lower transverse threads I with respect to the lower longitudinal threads can be adjusted, for example. as follows: under seven
- the course of the second lower transverse threads II with respect to the lower longitudinal threads may be as follows: under eight consecutive longitudinal threads and over two successive longitudinal threads. It is in each case in the transverse direction over the edge of the lower
- Quer threads in the transverse direction for example, staggered, for example, offset to the binding points of each other first lower transverse thread of the lower weave repeat. See, for example, the first lower transverse thread 183 and the two in
- the binding points x of a respective second lower transverse thread II can also be transversely offset relative to the binding points of the two second lower transverse threads arranged longitudinally L, e.g. offset to the binding sites of each other second lower transverse thread of the lower Bi education reperto s. See, e.g. the second lower transverse thread 184 and the two in
- Cross threads 182 and 186 are identical to Cross threads 182 and 186.
- Longitudinal direction L immediately following the first lower transverse threads I in the transverse direction always be offset by the same amount of extending in the lower fabric layer longitudinal thread 111-120 and in the same direction.
- an incline of "three lower longitudinal threads to the left" is selected by way of example for both the first lower transverse threads and the second lower transverse threads, for example, see the second lower transverse thread 182 and the second lower transverse thread 184, in which they are arranged adjacent to one another
- Binding points x are arranged offset by three lower longitudinal threads 112-114 and 113-115 to the left, respectively, It is understandable that a different pitch can also be selected or the binding points can be arranged irregularly offset.
- first lower transverse threads I to second lower transverse threads II in the lower binding repeat can be eg 1: 1, eg in a directly alternating arrangement in longitudinal direction L, ie in a repetitive sequence in FIG L longitudinal direction of a first lower transverse threads I and a subsequent second lower transverse thread II. It is understandable that another ratio can be chosen, for example a ratio of 1: 2 or 2: 1.
- the first lower transverse threads I may have different heat-setting properties relative to the second lower transverse threads II, e.g. a different shrinkage behavior than the second lower transverse threads. This is made possible by the different integration of first and second lower transverse threads, which can be chosen such that they are the different
- Heat-setting properties at least partially compensated.
- the first lower transverse threads I may have a different diameter than the second lower transverse threads II, and / or the first lower transverse threads I may be made of a different material than the second lower transverse threads II, and / or the first lower transverse threads I and the second lower transverse threads II may be treated differently under the influence of their heat-setting behavior, eg differently
- the sieve may be as
- Plastic fabric be formed, for example as a heat-set plastic fabric.
- the plastic fabric are at least the lower transverse threads 181-200, for example, extending in the upper fabric layer longitudinal threads 101-110 and transverse threads 121- 180 ⁇ see below and Figure 2) and / or the lower longitudinal threads 111-120, formed as plastic threads.
- a respective one of the lower cross sections 181-200 may e.g. be made of polyamide or polyester.
- the first lower transverse threads I may be made of a first one of polyamide and polyester, with the second lower transverse threads I being made of a first one
- Cross threads II are made of the other of polyamide and polyester.
- the first lower transverse threads I are made of a first polyamide, wherein the second lower transverse threads II are made of a different polyamide.
- the first lower transverse threads I and the second lower transverse threads II made of the same plastic material ⁇ e.g. Polyamide 6.6), wherein the first lower transverse threads I and the second lower transverse threads II under influence of their
- Plastic material e.g., polyamide 6.6
- Cross threads II have different diameters.
- the sieve may be e.g. be formed as a transverse thread-bound, multi-layer fabric in which the binding threads are formed by transverse threads. See the binding cross threads 123, 126, 129, etc. It should be understood, however, that another or additional type of ply connection may be chosen, e.g. using binding longitudinal threads.
- the binding threads can be formed, for example, by transverse threads 123, 126,... Extending in the upper fabric layer LI, which on the one hand lead to the Contribute training / completion of the upper bond and on the other hand in sections in the lower fabric layer L2
- Binding repeat for example, contain exactly 10 lower longitudinal threads 111-120.
- Binding sites can do this according to different
- Embodiments lead to a long transverse thread floatation on the running side; see FIG. 4.
- the ratio of lower transverse threads 181-200 to lower longitudinal threads 111-120 may be, for example, 2: 1 and exactly 20:10, respectively. It is understandable that also another
- Running side arranged transverse thread floats are formed can lead to a particularly stable and durable running side according to various embodiments, and it is a sufficient and appropriate number of lower
- the diameter of the lower transverse threads 181-200 may be greater than the diameter of the upper fabric layer
- Cross threads 181-200 may be larger than the diameter of the lower longitudinal threads 111-120, and / or the lower transverse threads 181-200 may have the largest diameter in the overall repeat of all the threads. According to different
- the lower transverse threads can therefore be made robust and durable, whereas the
- the binding transverse threads may be from the lower transverse to the wear-inducing
- a disturbance of the lower binding structure by the binding transverse threads can therefore be at least reduced.
- the upper fabric layer LI is not on a specific
- upper longitudinal threads 101-110 which run exclusively in the upper fabric layer LI (here by way of example in a number of 10 threads),
- binding transverse threads 123, 126, ... (here exemplified in a number of 20 threads), on the one hand complete the upper binding and on the other hand submerge in sections in the lower fabric layer L2, there to undercut at least one running in the lower fabric layer longitudinal thread and thereby connect the lower to the upper fabric layer.
- the lower repeat and the upper repeat may, for example, have the same size, so that the overall repeat contains exactly one upper repeat and exactly one lower repeat.
- the upper repeat e.g. smaller than the bottom repeat.
- the running side could be the running side as real
- Plain weave (without the use of functional pairs) be formed, so with an upper repeat of only 2 upper longitudinal threads and 2 upper transverse threads, the running side by means of separate binding threads to the lower
- the fabric may have a total repeat in which the ratio of upper longitudinal direction 101-110 to lower longitudinal threads 111-120 is 1: 1, eg exactly 10:10.
- a plain weave which e.g. is formed from upper longitudinal threads 101-110, with upper transverse threads 121, 124, ... as well as with functional transverse thread pairs 122, 123; 125, 126; ... are woven, imaginary, continuous upper transverse threads, e.g. in L ngscardi L successively an upper transverse thread and a functional transverse thread pair are arranged alternately.
- FIG. 5 shows the lower binding repeat of a
- the paper side or upper fabric layer (not shown) of the papermaking fabric according to the second embodiment may be appropriately selected as described for the first embodiment and formed, for example, with a plain weave (eg, a plain weave formed on the model of Figure 2). But it can also be provided another appropriate upper fabric layer or upper binding.
- the connection of the (not shown) upper fabric layer to the lower fabric layer can be done analogously to the first embodiment by means of binding transverse threads.
- connection of the two fabric layers can also take place in other ways, e.g. by means of separate binding threads and / or binding Lijnsf the.
- Fabric layer L2 1 run and are interwoven with the running in the lower fabric layer longitudinal threads 501-508.
- the longitudinal threads running in the lower fabric layer may be e.g. be formed as lower longitudinal threads 501-508, which exclusively in the lower
- Fabric layer L2 run and are woven, for example, with the lower transverse threads 521-538 with complete formation of the lower bond.
- the following is therefore only spoken of lower longitudinal threads, even if the running in the lower fabric layer longitudinal threads 501-508 can be configured differently.
- the lower transverse threads 521-536 are analogous to the first embodiment in the lower weave repeat, in each case of exactly two lower longitudinal threads in the lower fabric layer
- FIG. 5 is a bottom view of the lower fabric layer, the two "longitudinal binder threads" of each lower transverse thread extend over the associated transverse thread.
- the lower transverse threads 521-536 are differently incorporated into the lower fabric layer in the respective lower weave repeat, forming first lower transverse threads I and second lower transverse threads II, wherein in the first lower transverse threads I a shortest distance in the transverse direction Q between the first and second binding points x is greater than in the second lower transverse threads II.
- Running side LS form a shorter floating than the second lower transverse threads II. See . e.g. the floating of the thread 530 with the enigen of the thread 521st
- Cross thread overflows (in plan view on the top of the lower fabric layer), is arranged more than the second lower transverse threads II, for example, exactly one longitudinal thread more or an additional longitudinal thread.
- Cross thread overflow - zero longitudinal threads amounts (in each case in the plan view on the upper side of the lower fabric layer).
- the different shortest distance in the transverse direction Q can be achieved, for example, by the first lower transverse threads I having a different course with respect to the lower longitudinal threads 501-508 being introduced / woven into the lower fabric layer than the second lower transverse threads II, wherein all of the first lower transverse threads I in the lower weave repeat basically have the same course and only the arrangement of
- Binding points x in the transverse direction Q varies, and wherein all of the second lower transverse threads II in the lower Binding repeat basically have the same course and only the arrangement of the binding sites x in the transverse direction Q varies.
- the course of the second lower transverse threads II with respect to the lower longitudinal threads may be as follows: under six consecutive longitudinal threads and over two
- Binding repeat the binding sites x of a respective first lower transverse thread I to the binding sites of the two adjacent in the longitudinal direction L first lower
- Transverse yarns may for example be staggered, e.g. offset to the binding sites of each other first lower transverse thread of the lower weave repeat. See, e.g. the first lower transverse thread 523 and the two in
- Cross threads 521 and 525 The same applies to the second lower transverse threads II.
- Cross threads and the second lower transverse threads a slope of "a lower longitudinal threads to the left" selected (in the • plan view of the lower fabric layer so a slope of "a lower longitudinal threads to the right").
- the ratio of first lower transverse threads I to second lower transverse threads II in the lower weave repeat analogous to the first embodiment may e.g. 1: 1, e.g. in a direct alternating arrangement in the longitudinal direction L.
- Thermosetting properties e.g. another
- the first lower transverse threads I may have a different diameter than the second lower transverse threads II, and / or the first lower transverse threads I may be made of a different material than the second lower transverse threads II, and / or first lower Querf the I and the second lower transverse threads II may be treated differently under the influence of their heat-setting behavior, eg mechanically treated differently, e.g.
- plastic fabric be formed, for example as a heat-set plastic fabric.
- plastic fabric are at least the bottom Cross threads 521-536, for example, the lower longitudinal threads 501-508, designed as plastic threads.
- the lower weave repeat may contain exactly 8 lower longitudinal strands 501-508; a so-called 8-Mftige training, because of the
- the diameter of the lower transverse threads 521-536 may, for example, be greater than the diameter of the transverse threads (not shown) running in the upper fabric layer and / or greater than the diameter of the binding threads
- the diameter of the lower transverse threads 521-536 may be greater than the diameter of the lower longitudinal threads 501-508, and / or the lower transverse threads 501-508 may have the largest diameter in the overall repeat of all the threads ,
- Figure 6 shows the lower binding repeat of a
- Weaving layer extending longitudinal threads 601-612 are woven.
- the longitudinal threads running in the lower fabric layer can be e.g. be formed as lower longitudinal threads 601-612, which exclusively in the lower
- Fabric layer L2 ⁇ extend and are interwoven, for example, with the lower transverse threads 621-644 with complete formation of the lower bond. The following is therefore only spoken of lower longitudinal threads, even if the running in the lower fabric layer longitudinal threads 621-644 can be configured differently.
- the lower transverse threads 621-644 are, in analogy to the first and the second embodiment, in the lower weave repeat, in each case, incorporated twice into the lower fabric layer, i. of exactly two lower longitudinal threads.
- first and the second embodiment are in the respective lower binding repeat the lower Transverse yarns 621-644 differently integrated with the formation of first lower transverse threads I and second lower transverse threads II in the lower fabric layer, wherein in the first lower transverse threads I a shortest distance in the transverse direction Q between the first and second binding pieces x is greater than in the second lower transverse threads II.
- Running side LS form a shorter floating than the second lower transverse threads II. See . e.g. floats the thread 638 with that of the thread 621.
- Bond repeat at the first lower Querf the I between the first and second binding point x for example, exactly one lower longitudinal thread 601-612, which overflows the lower transverse thread, be arranged in the lower binding repeat at the second lower transverse threads II between the first and second binding site xj no lower one in any case
- Longitudinal thread 601-612 which overrun the lower transverse thread, is arranged, so that the two binding points are arranged directly adjacent to each other (in each case in the
- the different shortest distance in the transverse direction Q can be achieved, for example, by the first lower transverse threads I being introduced / woven into the lower fabric layer with a different course with respect to the lower longitudinal threads 601-612 than the second lower transverse threads II, wherein all of the first lower transverse threads I in the lower weave repeat basically have the same course and only the arrangement of
- Binding sites x in the transverse direction Q varies, and where all the second lower transverse threads II in the lower
- Binding repeat basically have the same course and only the arrangement of the binding sites x in the transverse direction Q varies.
- the course of the second lower transverse threads II with respect to the lower longitudinal threads may be as follows: under ten consecutive longitudinal threads and over two
- Binding repeat the binding sites x. a j resigning first lower transverse thread I to the Sinbindes? the two in the longitudinal direction L adjacent arranged first lower
- Transverse yarns may for example be staggered, e.g. offset to the binding sites of each other first lower transverse thread of the lower weave repeat. See, e.g. the first lower transverse thread 623 and the two in
- Cross threads 621 and 625 The same applies to the second lower transverse threads II.
- FIG. 6 is an example of both the first lower ones
- Cross threads as well as the second lower transverse threads a slope of "five lower longitudinal threads to the left" selected (in the
- the ratio of first lower transverse threads I to second lower transverse threads II in the lower weave repeat analogous to the first and second embodiments can be e.g. 1: 1, e.g. at a direct
- the first lower transverse threads I may have different heat-setting properties relative to the second lower transverse threads II, e.g. another
- the first lower transverse threads I may have a different diameter than the second lower ones
- Cross threads II, and / or the first lower transverse threads I can be made of a different material than the second lower transverse threads II, and / or the first lower transverse threads I and the second lower transverse threads II can under
- Plastic fabric be formed, for example as a heat-set plastic fabric.
- the plastic fabric are at least the lower transverse threads 621-644, for example, the lower
- Longitudinal threads 601-612 designed as plastic threads.
- the lower weave repeat may contain exactly 12 lower longitudinal yarns 601-612; so-called 12-bar training in which the respective lower transverse thread course is repeated after 12 lower longitudinal threads, i. the respective transverse thread is repeated in the lower repeat not shown, which is transverse to the right of the
- Binding repeat the ratio of lower transverse threads 621-644 to lower longitudinal threads 601-612, for example 2: 1 or exactly 2: 12 be.
- the diameter of the lower transverse threads 621-644 may for example be greater than that
- Diameter of the binding threads (also not shown), and / or the diameter of the lower transverse threads 621-644 may be greater than the diameter of the lower longitudinal threads 601-612, and / or the lower transverse threads 621-644 may in the overall repeat of all threads have the largest diameter.
Landscapes
- Paper (AREA)
- Woven Fabrics (AREA)
- Knitting Of Fabric (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015563062A JP6060284B2 (ja) | 2013-08-05 | 2014-06-02 | 異なる浮き長さを伴う複数の短手糸を含むランニングサイドを有する抄紙機スクリーン |
KR1020157030596A KR101626797B1 (ko) | 2013-08-05 | 2014-06-02 | 주행측 상에 다른 플로트 길이를 가지는 씨줄을 구비하는 제지장치 스크린 |
BR112015024947-7A BR112015024947B1 (pt) | 2013-08-05 | 2014-06-02 | Tela de máquina de papel tendo um lado de operação compreendendo fios transversais com comprimentos de flutuador diferentes |
EP14732100.4A EP2922995B1 (de) | 2013-08-05 | 2014-06-02 | Papiermaschinensieb, dessen laufseite querfäden mit unterschiedlicher flottierungslänge aufweist |
CN201480025007.7A CN105189863B (zh) | 2013-08-05 | 2014-06-02 | 具有包含不同浮纱长度的横向纱线的运行侧的造纸机筛网 |
US14/995,930 US9605380B2 (en) | 2013-08-05 | 2014-06-02 | Papermaking machine wire, the running side of which has cross threads with different lengths |
ES14732100.4T ES2582154T3 (es) | 2013-08-05 | 2014-06-02 | Tamiz de máquina de fabricación de papel cuya cara de circulación presenta hilos transversales con partes flotantes de longitud diferente |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102013108399.4A DE102013108399B3 (de) | 2013-08-05 | 2013-08-05 | Papiermaschinensieb, dessen laufseite querfäden mit unterschiedlicher flottierungslänge aufweist |
DE102013108399.4 | 2013-08-05 |
Publications (1)
Publication Number | Publication Date |
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WO2015018547A1 true WO2015018547A1 (de) | 2015-02-12 |
Family
ID=50981471
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2014/061360 WO2015018547A1 (de) | 2013-08-05 | 2014-06-02 | Papiermaschinensieb, dessen laufseite querfäden mit unterschiedlicher flottierungslänge aufweist |
Country Status (11)
Country | Link |
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US (1) | US9605380B2 (de) |
EP (1) | EP2922995B1 (de) |
JP (1) | JP6060284B2 (de) |
KR (1) | KR101626797B1 (de) |
CN (1) | CN105189863B (de) |
BR (1) | BR112015024947B1 (de) |
DE (1) | DE102013108399B3 (de) |
ES (1) | ES2582154T3 (de) |
PL (1) | PL2922995T3 (de) |
PT (1) | PT2922995T (de) |
WO (1) | WO2015018547A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6790967B2 (ja) * | 2017-03-31 | 2020-11-25 | 株式会社豊田自動織機 | 繊維構造体及び繊維強化複合材 |
MX2020002861A (es) | 2017-09-29 | 2020-07-24 | Kimberly Clark Co | Tela tejida de fabricacion de papel que tiene topografia convergente, divergente o de fusion. |
MX2020002715A (es) | 2017-09-29 | 2020-07-20 | Kimberly Clark Co | Tela tejida para la fabricacion de papel que tiene topografia orientada en la direccion de la maquina y transversal a la maquina. |
AU2018339567B2 (en) * | 2017-09-29 | 2023-11-23 | Kimberly-Clark Worldwide, Inc. | Woven papermaking fabric including stabilized weave providing textured contacting surface |
EP3688212A4 (de) | 2017-09-29 | 2021-06-23 | Kimberly-Clark Worldwide, Inc. | Papiererzeugungsgewebe mit köperbindung |
WO2020068092A1 (en) * | 2018-09-28 | 2020-04-02 | Kimberly-Clark Worldwide, Inc. | Woven papermaking fabric having intersecting twill patterns |
CN112739861A (zh) * | 2018-09-28 | 2021-04-30 | 金伯利-克拉克环球有限公司 | 具有离散的横向突起的机织造纸织物 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US6244306B1 (en) | 2000-05-26 | 2001-06-12 | Weavexx Corporation | Papermaker's forming fabric |
US20120145348A1 (en) | 2010-12-13 | 2012-06-14 | Joachim Pitzler | Papermaking Forming Fabric with Long Bottom CMD Yarn Floats |
DE102011083192A1 (de) * | 2011-09-22 | 2013-03-28 | Voith Patent Gmbh | Papiermaschinensieb |
Family Cites Families (11)
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US4987929A (en) * | 1989-08-25 | 1991-01-29 | Huyck Corporation | Forming fabric with interposing cross machine direction yarns |
JP3530623B2 (ja) * | 1995-02-28 | 2004-05-24 | 日本フイルコン株式会社 | 製紙用単層織物 |
US5881764A (en) * | 1997-08-01 | 1999-03-16 | Weavexx Corporation | Multi-layer forming fabric with stitching yarn pairs integrated into papermaking surface |
US6253796B1 (en) | 2000-07-28 | 2001-07-03 | Weavexx Corporation | Papermaker's forming fabric |
FI110131B (fi) * | 2001-02-22 | 2002-11-29 | Tamfelt Oyj Abp | Paperikonekudos |
JP4400925B2 (ja) * | 2004-08-23 | 2010-01-20 | 日本フイルコン株式会社 | 工業用二層織物 |
JP4570090B2 (ja) * | 2005-05-19 | 2010-10-27 | 日本フイルコン株式会社 | 工業用二層織物 |
US7861747B2 (en) * | 2008-02-19 | 2011-01-04 | Voith Patent Gmbh | Forming fabric having exchanging and/or binding warp yarns |
PT2314762E (pt) * | 2009-10-23 | 2012-12-07 | Heimbach Gmbh & Co Kg | Tecido para máquina de fabrico de papel |
DE102010017055A1 (de) * | 2010-05-21 | 2011-11-24 | Andritz Technology And Asset Management Gmbh | Blattbildungssieb |
DE102013106327B4 (de) * | 2013-06-18 | 2015-01-08 | Andritz Technology And Asset Management Gmbh | Papiermaschinensieb |
-
2013
- 2013-08-05 DE DE102013108399.4A patent/DE102013108399B3/de not_active Expired - Fee Related
-
2014
- 2014-06-02 KR KR1020157030596A patent/KR101626797B1/ko active IP Right Grant
- 2014-06-02 ES ES14732100.4T patent/ES2582154T3/es active Active
- 2014-06-02 PL PL14732100.4T patent/PL2922995T3/pl unknown
- 2014-06-02 JP JP2015563062A patent/JP6060284B2/ja active Active
- 2014-06-02 BR BR112015024947-7A patent/BR112015024947B1/pt active IP Right Grant
- 2014-06-02 EP EP14732100.4A patent/EP2922995B1/de active Active
- 2014-06-02 WO PCT/EP2014/061360 patent/WO2015018547A1/de active Application Filing
- 2014-06-02 CN CN201480025007.7A patent/CN105189863B/zh active Active
- 2014-06-02 PT PT147321004T patent/PT2922995T/pt unknown
- 2014-06-02 US US14/995,930 patent/US9605380B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6244306B1 (en) | 2000-05-26 | 2001-06-12 | Weavexx Corporation | Papermaker's forming fabric |
US20120145348A1 (en) | 2010-12-13 | 2012-06-14 | Joachim Pitzler | Papermaking Forming Fabric with Long Bottom CMD Yarn Floats |
DE102011083192A1 (de) * | 2011-09-22 | 2013-03-28 | Voith Patent Gmbh | Papiermaschinensieb |
Also Published As
Publication number | Publication date |
---|---|
BR112015024947B1 (pt) | 2022-03-15 |
BR112015024947A2 (pt) | 2017-07-18 |
CN105189863A (zh) | 2015-12-23 |
US20160215451A1 (en) | 2016-07-28 |
CN105189863B (zh) | 2017-09-29 |
KR20150123973A (ko) | 2015-11-04 |
US9605380B2 (en) | 2017-03-28 |
ES2582154T3 (es) | 2016-09-09 |
PL2922995T3 (pl) | 2016-10-31 |
PT2922995T (pt) | 2016-07-19 |
EP2922995B1 (de) | 2016-04-13 |
JP6060284B2 (ja) | 2017-01-11 |
EP2922995A1 (de) | 2015-09-30 |
JP2016527405A (ja) | 2016-09-08 |
DE102013108399B3 (de) | 2014-11-27 |
KR101626797B1 (ko) | 2016-06-02 |
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