Conveyor belt, in particular transfer belt for a paper machine

Abstract

Conveyor belt, in particular transfer belt, for a paper machine, with a paper side intended for the support of a paper web and a machine side facing away from the paper side, comprising a carrier (1) and a water-impermeable superstructure material (4) in which the carrier (1) is partially or completely embedded and which forms a paper contact surface (5) on the paper side and a machine contact surface (6) of the conveyor belt on the machine side, wherein the carrier (1) is designed as a multiaxial carrier.

Description

[0001] The present invention relates to a conveyor belt, in particular a transfer belt, for a paper machine, with a paper side intended for the support of a paper web and a machine side facing away from the paper side, comprising a carrier and a water-impermeable superstructure material in which the carrier is partially or completely embedded and which forms a paper contact surface on the paper side and a machine contact surface of the conveyor belt on the machine side.

[0002] Modern high-speed paper machines are currently built for speeds of around 1,800 to 2,000 m / min. Since productivity increases are often achieved solely by increasing machine speed, it can be assumed that further increases in paper machine speed will continue to be pursued.

[0003] The increase in speed necessarily leads to a corresponding increase in paper web tension during transport through the paper machine. Therefore, it is necessary to support the paper web as it passes through the paper machine.

[0004] In the press section, the paper machine is adequately supported by the circulating press felts. However, problems arise in areas where this support is lacking. This is particularly true for the section between the press and dryer sections. Here, the wet strength of the paper web is insufficient to withstand the high tensions.

[0005] To guide the paper web even in areas where there is no support from the press felt, so-called transfer belts are used, particularly in the transition area from the press section to the dryer section. These belts serve purely as transport belts without a dewatering function. They typically have a smooth, flat surface with which the paper web comes into direct contact. Their specific topographical properties ensure flawless web take-up, excellent web support, and trouble-free paper web discharge.

[0006] Examples of the routing of transfer belts in the press section of a paper machine can be found, for example, in the Figures 1 to 3 This can be found in EP 0 576 115 A1.

[0007] A transfer belt of the type mentioned above is described, for example, in DE 20 2017 101 585 U1, which originates from the applicant. This belt has a carrier fabric designed as a circular woven fabric with longitudinal and transverse threads, and a fiber fleece arranged on the machine side of the carrier. The carrier and the fiber fleece are embedded in a layer of a superstructure material consisting of an elastomeric material, in particular polyurethane. Thus, the superstructure material forms both a contact surface for a paper web on the paper side of the transfer belt and the contact surface for the rollers of the paper machine on the machine side.

[0008] The existing transfer belts have generally proven their worth. However, the demand for ever higher machine speeds and the use of more fillers, more recycled fibers, etc., as well as the trend towards lower base weights, necessitates continuous improvement of web guidance and, in particular, further optimization of the paper web transfer from the press section to the dryer section.

[0009] The invention is therefore based on the objective of providing a conveyor belt of the type mentioned above, which can be manufactured with comparatively little effort and which is characterized at the same time by a comparatively long service life and optimal operating properties.

[0010] This problem is solved according to the invention by a conveyor belt according to claim 1.

[0011] The invention is therefore based on the idea of ​​designing the support, which ensures the structural strength of the conveyor belt, as a multiaxial support.

[0012] It has been shown that a particularly stable carrier can be obtained from multiaxial layers, resulting in a particularly long service life and operating time of the conveyor belt according to the invention. Furthermore, the carrier can be manufactured with comparatively little effort.

[0013] The use of multiaxial layers according to the invention offers the further advantage that the dimensional limitations of conventionally manufactured textile webs, in particular flat and / or circular woven carriers for felts, can be easily overcome.

[0014] Multiaxial layers can be obtained, for example, by winding one or more web strips lengthwise along the conveyor belt and then helically across it. In other words, a web strip of a given width can be wound into a textile web whose width is many times greater than that of the original web strip. The final width of the conveyor belt can be achieved very flexibly, particularly by adjusting the width of the web strip and the number of windings.

[0015] A further advantage of a multiaxial carrier compared to conventional continuous carriers, especially circular fabrics, is the ability to control product properties through the variable incorporation of different CD materials, e.g., by introducing suitable weft threads, without comparatively significant technical effort – unlike the corresponding preparation of warp beams for circular fabrics. Through the targeted, individually adapted use of weft threads of defined materials, constructions, diameters, thicknesses, and densities [number / cm], the carrier can be optimized both in terms of its dimensional stability, particularly in CD, and its permeability, with the aim of ensuring complete impregnation with the polymer matrix.

[0016] According to the invention, it is also provided that that the carrier has at least two superimposed multiaxial layers extending in a longitudinal or machine direction of the carrier and in a transverse direction perpendicular thereto, wherein the multiaxial layers, viewed in the transverse direction, are at least partially, preferably completely, composed of several adjacent sub-layers, wherein the sub-layers comprise longitudinal threads extending in a sub-layer longitudinal direction and transverse threads extending perpendicular thereto in a sub-layer transverse direction, wherein the sub-layer longitudinal direction of the sub-layers is inclined relative to the longitudinal direction of the respective multiaxial layer and forms an angle α, α' with it, and the sub-layer transverse direction of the sub-layers is inclined relative to the transverse direction of the respective multiaxial layer and forms an angle β, β' with the transverse direction.

[0017] In an embodiment of the invention, it may be provided that the angle α, which the longitudinal direction of the partial path of a multiaxial layer encloses with the longitudinal direction of this multiaxial layer, and the angle α', which the longitudinal direction of the partial path of one or another multiaxial layer encloses with the longitudinal direction of this other multiaxial layer, are equal in magnitude and / or opposite in direction.

[0018] Similarly, the angle β that the partial path transverse direction of a multiaxial layer encloses with the transverse direction of this multiaxial layer, and the angle β' that the partial path transverse direction of one or another multiaxial layer encloses with the transverse direction of this other multiaxial layer, can be equal in magnitude and / or opposite in direction.

[0019] If the sub-paths of the two multiaxial layers have the same width in the transverse direction, it is advantageous for the angles to be equal in magnitude and opposite in direction. This allows for a particularly uniform force distribution. If the sub-paths of the multiaxial layers have different widths, the angles α, α' and β, β' will differ from each other, but an opposite orientation is still advantageous.

[0020] In one embodiment of the invention, it is provided that for at least one multiaxial position, the angle α, α' which the partial path longitudinal direction of the multiaxial position encloses with the longitudinal direction of the multiaxial position is at least 0.6°, in particular at least 1.5° and preferably at least 2° and / or at most 10°, in particular at most 7° and preferably at most 5°.

[0021] The angle setting is inversely proportional to the length of the conveyor belt – given a defined width of the sub-lanes. In other words, the angle formed by the longitudinal direction of a sub-lane of a multiaxial layer with the longitudinal direction of that multiaxial layer decreases as the length of the conveyor belt increases.

[0022] Furthermore, it is advantageous for at least one multiaxial layer that the longitudinal threads of the sub-layers of the multiaxial layer run parallel or substantially parallel to each other and / or that the transverse threads of the sub-layers of the multiaxial layer run parallel or substantially parallel to each other. A basic requirement here is that the longitudinal threads should extend in the longitudinal direction of the sub-layer.

[0023] Furthermore, for at least one multiaxial layer, the sub-layers forming the multiaxial layer can each be constructed in the same way as a woven fabric, in particular as a single-layer flat woven fabric, as a knitted fabric, as a woven fabric, as a braid, or as an extruded netting. This type of textile surface structure has a comparatively open structure. Woven multiaxial layers have proven to be particularly suitable in this regard.

[0024] A further embodiment of the conveyor belt according to the invention is characterized in that at least a part of the longitudinal threads, preferably all longitudinal threads, are formed by monofilaments and / or staple fiber yarns and / or twisted yarns, which in particular consist of monofilaments, and / or that a part of the transverse threads, preferably all transverse threads, are formed by monofilaments and / or by staple fiber yarns and / or by twisted yarns, which in particular consist of monofilaments.It can be provided that at least a part of the longitudinal threads, preferably all longitudinal threads, consist of monofilaments and / or monofilament yarns and a part of the transverse threads, preferably all transverse threads, consist of monofilaments and / or monofilament yarns, wherein the monofilament yarns are preferably formed from four or six or nine monofilaments with a diameter in the range of 0.15 mm to 0.25 mm and / or wherein the monofilaments preferably have a diameter in the range of 0.3 mm to 0.50 mm.

[0025] According to a further embodiment of the invention, it is provided that some of the longitudinal threads, preferably all longitudinal threads, have a circular and / or round and / or rectangular cross-section and / or are designed as flat threads. Similarly, it can be provided that some of the transverse threads, preferably all transverse threads, have a circular and / or round and / or rectangular cross-section and / or are designed as flat threads.

[0026] Preferably, the longitudinal and / or transverse threads consist of a polymer material. It is particularly preferred that the longitudinal and / or transverse threads consist of polyamide (PA) and / or polyester, in particular polyethylene terephthalate (PET), and / or polyethylene furanoate (PEF), wherein the longitudinal threads preferably consist of polyamide 6 (PA6) and / or PET and / or PEF, and the transverse threads consist of PA6 and / or PA6.10 and / or PA4.10 and / or PA11 and / or PET and / or PEF.

[0027] It is possible to connect the multiaxial layers of the carrier directly to one another, preferably by welding, bonding, or pinning them together. However, the preferred embodiment is not to connect the multiaxial layers directly, but to fix them to one another exclusively through the superstructure material, i.e., indirectly.

[0028] The carrier can have two multiaxial layers formed as endless loops. In this case, the multiaxial layers are preferably obtained by helically winding at least one partial web strip, the width of which is less than the width of the conveyor belt and the length of which is greater than the length of the conveyor belt.

[0029] Preferably, the sub-rails have straight edges. However, it is possible for the sub-rails to have serrated, meandering, or wavy longitudinal edges. With both straight and irregular longitudinal edges, the sub-rails can be butted against each other or positioned overlapping.

[0030] According to a further embodiment, adjacent sections are connected to each other at their longitudinal edges. They can, for example, be sewn together, glued together, fused together, or welded together.

[0031] The build-up material may contain or consist of natural rubber. Alternatively, the build-up material may contain or consist of at least one synthetic elastomer, in particular a polyurethane elastomer and / or a polyurea elastomer and / or a silicone elastomer and / or a polyester elastomer. It has proven particularly advantageous if the build-up material consists of a multi-component polyurethane casting resin system, wherein this system comprises, in particular, a methylene diphenyl diisocyanate (MDI)-based or a toluene diisocyanate (TDI)-based polyether polyurethane prepolymer and / or a polytetramethylene ether glycol (PTMEG) polyol and / or an amine crosslinker and / or several amine crosslinkers and / or other polyvalent crosslinkers.

[0032] To provide the necessary support for a paper web, the build-up material preferably has a hardness in the range of 80 to 99 Shore A and / or the paper contact surface (5) of the build-up material (4) has a roughness Ra in the range of about 1.0 µm to 5.0 µm.

[0033] Furthermore, it may be provided that a reinforcement is embedded in the conveyor material, particularly on the machine side of the conveyor belt, to give the conveyor belt increased stability. The reinforcement may be in the form of a woven fabric, knitted fabric, braid, woven fabric, nonwoven fabric, extruded netting, or a nonwoven fabric.

[0034] According to a further development of the invention, the build-up material in the area of ​​the paper contact surface is smooth or has a texture for paper smoothing and / or paper embossing, and / or the build-up material in the area of ​​the machine contact surface has indentations, in particular grooves and / or blind holes, to promote water absorption. The paper contact surface is thus designed to come into direct contact with the paper web and provide it with a smooth surface or a desired texture / embossing. On the machine side, a structure is provided which serves in particular to absorb and drain liquids, so that optimal static friction contact between the machine contact surface and the components of the paper machine, in particular its rollers, is ensured.

[0035] Finally, the invention relates to the use of a conveyor belt according to the invention in a machine in such a way that a paper web guided through the paper machine comes into contact with the paper side of the conveyor belt, in particular in the press section of a paper machine.

[0036] Further features and advantages of the present invention will become clear with reference to the following description of an embodiment of a conveyor belt according to the invention, with reference to the accompanying drawing. The drawing shows Figure 1 shows an embodiment of a conveyor belt according to the invention in a schematic sectional view; Figure 2 shows the conveyor belt made of Figure 1in schematic top view; Figure 3 a schematic partial representation of a multiaxial layer in the form of thread lay-ups for a carrier of a conveyor belt according to the invention, wherein the partial webs are joined by means of a laser welding device; Figure 4 a schematic partial representation of a multiaxial layer in the form of a fabric, wherein the partial webs are joined by means of a sewing seam, and Figure 5 a partial representation of a further embodiment of a multiaxial layer which is formed in the form of a fabric.

[0037] The Figure 1 Figure 1 shows a schematic representation of a section of a transport belt according to the invention, here a transfer belt, of a paper machine in cross-section, wherein the top side is the paper side and the bottom side is the machine side of the transfer belt.

[0038] The transfer belt comprises a carrier 1. This carrier is designed as a multiaxial carrier, which has two multiaxial layers 2, 3 positioned directly above one another. The multiaxial layers 2, 3 are designed as endless loops, with the loop of the machine-side multiaxial layer 3 positioned within the loop of the paper-side multiaxial layer 2 and preferably being correspondingly shorter.

[0039] The carrier 1 is completely embedded in a superstructure material 4, which forms a paper contact surface 5 on the paper side (i.e., on the top) and a machine contact surface 6 of the transfer belt on the machine side (i.e., on the underside). The two multiaxial layers 2, 3 are connected to each other exclusively by the superstructure material 4 and are not otherwise attached to each other, i.e., not directly pinned and / or glued together.

[0040] The build-up material 4 consists of an elastomer, in this case a multi-component polyurethane casting resin system comprising a methylene diphenyl diisocyanate (MDI)-based polyether polyurethane prepolymer, a polytetramethylene ether glycol (PTMG) polyol, and amine crosslinkers. Build-up material 4 has a hardness in the range of 80 to 99 Shore A.

[0041] The paper contact surface 5 formed by the substrate material 4 has a roughness Ra in the range of approximately 1.0 µm to 5.0 µm. It is smooth, but can also be textured to smooth a paper web or to provide it with a textured / embossed finish.

[0042] The machine contact surface 6, on the other hand, is provided with a plurality of recesses 7, in this case grooves, which extend orthogonally to the plane of the drawing, i.e., in a longitudinal direction of the transfer belt. The recesses 7 serve to collect liquid and / or contaminants, thus ensuring optimal static friction contact between the machine contact surface 6 and the components, in particular the rollers of a paper machine.

[0043] The support 1 extends in a longitudinal direction, namely the machine direction MD, and in a transverse direction CD running perpendicular to it. The multiaxial layers 2, 3 of the support 1 have a corresponding orientation. As in particular the Figure 2 Each of the two multiaxial layers 2, 3 of the carrier 1, viewed in the transverse direction CD, is composed of several adjacent partial layers 8. Figure 2The partial tracks 8 of the product-side multiaxial layer 2 lying above in this figure are shown with solid lines and the immediately below partial tracks 8 of the machine-side multiaxial layer 3 with dashed lines.

[0044] Each sub-web 8 comprises longitudinal threads 9 extending in a sub-web longitudinal direction TL, and transverse threads 10 extending orthogonally to this in a sub-web transverse direction TQ. The longitudinal threads 9 and transverse threads 10 are in the Figure 2 Not shown, but can be seen in the embodiments shown in Figures 4 to 6.

[0045] In the Figure 2It is clearly evident that the longitudinal direction TL of the partial webs 8 is inclined relative to the longitudinal direction MD of the carrier 1 and thus of the multiaxial layers 2, 3, forming an angle α, α' with it. Similarly, the transverse direction TQ of the partial webs 8 is inclined relative to the transverse direction CD of the multiaxial layers 2, 3, forming an angle β, β' with the transverse direction CD. The angle α formed by the longitudinal direction TL of the paper-side multiaxial layer 2 with the longitudinal direction MD and the angle α' formed by the longitudinal direction TL of the machine-side multiaxial layer 3 with the longitudinal direction MD are equal in magnitude, but the angles α, α' are oriented in opposite directions. In the illustrated embodiment, the angles α and α' are each approximately 4°, but they are exaggerated for clarity.Similarly, the angles β and β' are also equal in magnitude at approximately 4°, but oriented in opposite directions.

[0046] The two multiaxial layers 2, 3 are obtained by helically winding at least one partial web strip B, the width of which is several times less than the width of the transfer belt and the length of which is several times greater than the length of the transfer belt.

[0047] In the Figures 3 and 5 Each section shows a section of adjacent sub-tracks 8, which have been laid side by side by pulling them from a sub-track strip B from the supply roll V, wherein the sub-tracks 8 are designed differently.

[0048] At the in Figure 3In the illustrated embodiment, the partial webs 8 formed from the partial web strips B are formed as a fabric with longitudinal threads 9 running in the longitudinal direction TL of the partial web and transverse threads 10 running orthogonally to them in the transverse direction TQ of the partial web. In the area of ​​their mutually facing longitudinal edges 11, the transverse threads 10 have fringe-like projecting transverse thread sections 12 which overlap and interlock in a staggered manner in the longitudinal direction TL of the partial web. A connecting thread 13 is laid over these thread sections 12 and welded to the transverse thread sections 12. The connecting thread 13 is formed here by a longitudinal thread 9.

[0049] In Figure 3 The figure schematically shows a laser welding device 14 which is moved along the connecting thread 13 over the overlapping transverse thread sections and creates the connection between the connecting thread 13 and the transverse thread sections 12.

[0050] At the in Figure 4 In the illustrated embodiment, the partial webs 8 and thus the multiaxial layers 2, 3 produced therefrom are designed as flat fabrics. The longitudinal and transverse threads 9, 10 consist of plastics, for example polyamide, polyester, etc. They can be formed from monofilaments, from twisted yarns, in particular monofilament twisted yarns, from staple fiber yarns, etc.

[0051] Preferably, the longitudinal threads 9, or warp threads, consist of a monofilament yarn formed from four, six, or nine monofilaments, each with a diameter in the range of 0.15 mm to 0.25 mm, and the transverse threads 10, or weft threads, consist of monofilaments with a diameter in the range of 0.30 mm to 0.50 mm. The longitudinal threads 9, or warp threads, consist of PA6, PET, or PEF, while the transverse threads 10, or weft threads, consist of PA6, PA6.10, PA4.10, PA11, PET, or PEF. In the Figure 5In the illustrated embodiment, a weft-twill 2 - 1 fabric weave with a pitch number of 1 is used.

[0052] The partial webs 8 have transverse thread sections 12 projecting from the longitudinal edges 11, which are butted against each other. The lengths of the transverse thread sections 12 are dimensioned such that the free distance between the longitudinal threads 9 adjacent to the longitudinal edges 11 of the partial webs 8 is twice as large as the free distance between the longitudinal threads 9 themselves. A filler thread 15 is inserted between the two opposing longitudinal threads 9 of the two partial webs 8, such that it is enclosed by the transverse thread sections 12 on both the top and bottom. The insertion of the filler thread 15 can be carried out in the device according to Figure 3by pulling from a supply roll V in the same manner as with the partial web strip B. The filler thread 15 has the same dimensions and is made of the same material as the longitudinal threads 9. Due to the previously mentioned spacing between the adjacent longitudinal threads 9, it fills the gap so that the longitudinal thread density remains unchanged even in the area of ​​the longitudinal edges 11. With the feeding of the filler thread 15 or immediately thereafter, the longitudinal edges 11 are joined to each other by means of two sewing threads 16.

[0053] Even in the Figure 5 In the illustrated embodiment, the multiaxial layer 2, 3 is designed as a flat fabric, namely with a weave of the type weft-twill 2 - 2 developed by dividing the weft repeat.

[0054] In accordance with the example from Figure 4All longitudinal threads 9 are formed from a monofilament yarn which is made up of four monofilaments with a diameter of 0.2 mm.

[0055] The transverse threads 10 are formed as monofilaments, existing in two different cross-sectional shapes and two different thicknesses. Specifically, the transverse threads 10 exist in two different configurations 10a and 10b. The transverse threads 10a have a round cross-section with a larger diameter, while the flat threads 10b are formed as flat threads with a rectangular cross-section, the thickness of which is less than the diameter of the round transverse threads 10a.

[0056] The transverse threads 10a of round cross-section and the flat threads 10b are arranged alternately in the longitudinal direction of the partial web TL.

[0057] In the embodiment shown in Figure 6, the longitudinal threads 9 or warp threads consist of PA6, PET or PEF, while the transverse threads 10 or weft threads consist of PA6, PA6.10, PA4.10, PA11, PET or PEF.

[0058] In the purely schematic Figure 6, only a section of a single sub-track 8 is shown, and thus the type of connection between adjacent sub-tracks 8 is not apparent. The connection can be made here in the same way as in the Figure 3 or Figure 4 The following steps can be performed. The partial panels 8 can therefore be welded with an overlap or butt-stitched. Alternatively or additionally, adjacent partial panels 8 can also be glued and / or fused. Reference symbol list

[0059] 1 Carrier 2 Multiaxial layer 3 Multiaxial layer 4 Build-up material 5 Paper contact surface 6 Machine contact surface 7 Recesses 8 Partial webs 9 Longitudinal threads 10 Transverse threads 10a Transverse threads 10b Transverse threads 11 Longitudinal edges 12 Transverse thread sections 13 Joining thread 14 Laser welding device 15 Filler thread 16 Sewing thread MDL Longitudinal or machine direction of the beam CD Transverse direction of the beam TL Partial web longitudinal direction TQ Partial web transverse direction WW Rollers V Supply roll B Partial web strip

Claims

1. Conveyor belt, in particular a transfer belt, for a paper machine, having a paper side intended for supporting a paper web and a machine side facing away from the paper side, comprising a carrier (1) and a water-impermeable structural material (4), in which the carrier (1) is partially or completely embedded and which forms a paper-contact surface (5) on the paper side and a machine-contact surface (6) on the machine side of the conveyor belt, characterized in that the carrier (1) is designed as a multiaxial carrier, and in that the carrier (1) comprises at least two superimposed multiaxial layers (2, 3) that extend in a longitudinal direction or machine direction (MD) of the carrier and in a transverse direction (CD), wherein, when viewed in the cross-direction (CD), the multiaxial layers are composed at least partially, preferably completely, of several adjacent subwebs (8), wherein the partial webs (8) comprise longitudinal filaments extending in a partial web longitudinal direction (TL) and transverse filaments extending transversely thereto in a partial web transverse direction (TQ), wherein the sub-web longitudinal direction (TL) of the partial webs (8) is inclined relative to the longitudinal direction (MD) of the respective multiaxial layer (2, 3) and forms an angle (α, α') with it, and the sub-web transverse direction (TQ) of the partial webs (8) is inclined relative to the transverse direction (CD) of the respective multiaxial layer (2, 3) and forms an angle (β, β') with the transverse direction (CD).

2. Conveyor belt according to claim 1, characterized in that the angle (α) formed by the partial web longitudinal direction (TL) of a multiaxial layer (2) forms with the longitudinal direction (MD) of this multiaxial layer (2) and the angle (α') formed by the partial web longitudinal direction (TL) of the or another multiaxial layer (3) with the longitudinal direction (MD) of this other multiaxial layer (3) are equal in magnitude and / or opposite in direction and / or that for at least one multiaxial layer (2, 3), the angle (α, α') formed by the partial layer longitudinal direction (TL) of the multiaxial layer (2, 3) forms with the longitudinal direction (MD) of the multiaxial layer is at least 0.6°, in particular at least 1.5°, and preferably at least 2°, and / or at most 10°, in particular at most 7°, and preferably at most 5°, and / or that for at least one multiaxial layer (2, 3), the longitudinal threads (9) of the partial layers (8) of the multiaxial layer (2, 3) run parallel or substantially parallel to one another, and / or that the cross threads (10) of the partial webs (8) of the multiaxial layer (2, 3) run parallel or substantially parallel to one another, and / or that for at least one multiaxial layer (2, 3), the partial webs (8) forming the multiaxial layer (2, 3) are each formed in the same manner as a woven fabric, in particular as a single-layer flat fabric, as a knitted fabric, as a filament fabric, as a braided fabric, or as an extruded netting.

3. Conveyor belt according to one of the preceding claims, characterized in that at least a portion of the longitudinal threads (9), preferably all of the longitudinal threads (9), are formed by monofilaments and / or staple fiber yarns and / or twisted yarns consisting in particular of monofilaments, and / or that a portion of the transverse threads (10), preferably all of the transverse threads (10), are formed by monofilaments and / or by staple fiber yarns and / or by twisted yarns consisting in particular of monofilaments.

4. Conveyor belt according to claim 3, characterized in that at least some of the longitudinal threads (9), preferably all of the longitudinal threads (9), consist of monofilaments and / or monofilament yarns, and some of the transverse threads (10), preferably all of the transverse threads (10), consist of monofilaments and / or monofilament yarns, wherein the monofilament yarns are preferably formed from four, six, or nine monofilaments each having a diameter in the range of 0.15 mm to 0.25 mm, and / or wherein the monofilaments preferably have a diameter in the range of 0.30 mm to 0.50 mm.

5. Conveyor belt according to one of the preceding claims, characterized in that a portion of the longitudinal threads (9), preferably all of the longitudinal threads (9), and / or a portion of the transverse threads (10), preferably all transverse threads (10), have a circular and / or round and / or rectangular cross-section and / or are formed as flat threads.

6. Conveyor belt according to one of the preceding claims, characterized in that the longitudinal threads (9) and / or the transverse threads (10) consist of a polymer material.

7. Conveyor belt according to claim 6, characterized in that the longitudinal threads (9) and / or the transverse threads (10) consist of polyamide (PA) and / or polyester, in particular polyethylene terephthalate (PET), and / or polyethylene furanoate (PEF), wherein the longitudinal threads (9) preferably consist of polyamide 6 (PA6) and / or PET and / or PEF, and the transverse threads (10) consist of PA6 and / or PA6.10 and / or PA4.10 and / or PA11 and / or PET and / or PEF.

8. Conveyor belt according to any of the preceding claims, characterized in that the multiaxial layers (2, 3) of the carrier (1) are directly connected, wherein the multiaxial layers (2, 3) are preferably welded, bonded, or needled together and / or that the multi-axial layers (2, 3) of the carrier (1) are fixed to one another exclusively by the structural material (4) and / or that the carrier (1) comprises two multiaxial layers (2, 3) which are formed as endless loops and / or that the partial webs (8) have straight, serrated, meandering, or wavy longitudinal edges (11).

9. Conveyor belt according to one of the preceding claims, characterized in that the partial webs (8) have a partial web transverse direction (TQ) of at least 0.5 m, in particular of 1 m ± 0.2 m, and / or that adjacent partial webs (8) are connected to one another at their longitudinal edges (11), are connected to one another, in particular sewn together and / or glued together and / or fused together and / or welded together, wherein the longitudinal edges (11) of adjacent partial webs (8) are positioned butt-to-butt or in overlap with one another, and / or that the construction material (4) comprises natural rubber or consists thereof.

10. Conveyor belt according to one of the preceding claims, characterized in that the structural material (4) comprises at least one elastomer, in particular a polyurethane elastomer and / or a polyurea elastomer and / or a silicone elastomer and / or a polyester elastomer.

11. Conveyor belt according to claim 10, characterized in that the structural material (4) consists of a multi-component polyurethane casting resin system, wherein this comprises, in particular, a methylene diphenyl diisocyanate (MDI)-based or a toluene diisocyanate (TDI)-based polyether-polyurethane prepolymer and / or a polytetramethylene ether glycol (PTMEG) polyol and / or an amine crosslinker and / or multiple amine crosslinkers and / or further polyvalent crosslinkers.

12. Conveyor belt according to any of the preceding claims, characterized in that the structural material (4) has a hardness in the range of 80 to 99 Shore A and / or the paper contact surface (5) of the cover material (4) has a roughness Ra in the range of about 1.0 µm to 5.0 µm , and / or that the forming material (4) is smooth in the area of the paper contact surface (5) or has a texture for paper smoothing and / or embossing the paper, and / or that the forming material has recesses (7) in the area of the machine contact surface (6) to promote water drainage, in particular grooves and / or blind holes.

13. Conveyor belt according to one of the preceding claims, characterized in that a reinforcement is embedded in the structural material (4), specifically on the machine side of the conveyor belt, wherein the additional reinforcement is specifically in the form of a fabric and / or a knitted fabric and / or a woven fabric and / or a filament fabric and / or an extruded netting and / or a nonwoven fabric.

14. Use of a conveyor belt according to any of the preceding claims in a paper machine in such that a paper web passing through the paper machine comes into contact with the paper side of the conveyor belt, particulary in the press section of a paper machine.

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