CN116770621A

CN116770621A - Conveyor belt, in particular for a paper machine

Info

Publication number: CN116770621A
Application number: CN202310228253.3A
Authority: CN
Inventors: C·莫尔斯; D·普拉沙克; D·特尔格曼
Original assignee: Heimbach GmbH and Co KG
Current assignee: Heimbach GmbH and Co KG
Priority date: 2022-03-15
Filing date: 2023-03-10
Publication date: 2023-09-19
Also published as: DE202022101383U1; EP4261345A1; JP2023135640A

Abstract

Conveyor belt for a paper machine, in particular a conveyor belt, having a paper side for supporting a paper web and a machine side facing away from the paper side, comprising a carrier (1) and a water-impermeable construction material (4), the carrier (1) being partly or completely embedded in the construction material and forming a paper contact surface (5) on the paper side and a machine contact surface (6) of the conveyor belt on the machine side, characterized in that the carrier (1) is designed as a multiaxial carrier.

Description

Conveyor belt, in particular for a paper machine

Technical Field

The invention relates to a conveyor belt (transfer belt) for a paper machine, in particular a transfer belt, having a paper side for supporting a paper web (paper web) and a machine side facing away from the paper side, comprising a carrier and a water-impermeable construction material, the carrier being partially or completely embedded in the construction material and forming a paper contact surface on the paper side and a machine contact surface of the conveyor belt on the machine side.

Background

Modern high speed paper machines are today designed for speeds of about 1,800 to 2,000 m/min. Since the increase in productivity is usually achieved only by increasing the machine speed, it can also be assumed that the paper machine speed will continue to increase.

An increase in speed necessarily results in a corresponding increase in web tension as it is transported through the paper machine. It is therefore necessary to support the web as it travels through the paper machine.

In the press section, the paper machine is fully supported by a press felt (press felt) circulating therein. However, problems arise in those areas that are not supported by the press felt. This applies in particular to the path from the press section to the drying section. Here, the wet strength of the web is not sufficient to withstand high tension.

In order to guide the web in these areas without a press felt support, in particular in the transition from the press section to the dryer section, so-called transfer belts are used, which are used as pure transfer belts without dewatering function. These transfer belts typically have a smooth, flat surface with which the web is in direct contact and, due to their special topographical characteristics, ensure perfect web drop-off, excellent web support and problem-free web release.

Examples of the course of the conveyor belt in the press section of a paper machine can be found, for example, in fig. 1 to 3 of EP 0 576 115 A1.

A conveyor belt of the type mentioned at the outset is described, for example, in DE 20 2017 101 585 U1 from the applicant.

The conveyor belt has a carrier which is designed as a circular fabric with longitudinal and transverse threads and on the machine side of which a fibre fleece (fleece) is arranged. The carrier and the fleece are embedded in a layer of structural material consisting of an elastomeric material, in particular polyurethane. The structural material thus forms a contact surface of the paper web both on the paper side of the conveyor belt and on the contact surface of the rolls of the paper machine on the machine side.

Previously known conveyor belts have proven themselves in principle.

However, the need for higher machine speeds and the use of more filler, more recycled fibers, etc., as well as the trend for basis weight reduction, requires ever-improving web operation, and in particular further optimization of web transport from the press section to the dryer section.

Disclosure of Invention

The invention is therefore based on the object of specifying a conveyor belt of the type mentioned at the beginning which can be produced with relatively little effort and which at the same time has a relatively long service life and optimum operating performance.

According to the invention, this object is achieved in a conveyor belt of the type mentioned at the outset, wherein the carrier is designed as a multiaxial carrier.

The invention is therefore based on the idea of designing the carrier ensuring the structural strength of the conveyor belt as a multiaxial carrier.

It has been shown that particularly stable carriers can be obtained from a multiaxial layer, which results in a conveyor belt according to the invention having a particularly long service life and running time. In addition, the carrier can be manufactured with relatively little effort.

The use of a multiaxial layer according to the present invention provides the further advantage that the dimensional limitations of conventionally produced textile webs, in particular carriers for carpets designed as planar and/or circular fabrics, can be easily overcome.

For example, a multi-axial layer may be obtained by winding one or more partial strips of web material (partial web strip) in the longitudinal direction of the conveyor belt and gradually winding in a spiral fashion transversely to the conveyor belt.

In other words, the textile web may be obtained by spiral winding from a partial web strip having a predetermined width, the width of which exceeds the width of the partial web strip by a multiple. The final width of the conveyor belt can be very flexibly achieved, in particular by adjusting the width of the partial web strips and the number of windings.

Another advantage of the multiaxial carrier compared to a conventional endless carrier, in particular compared to a circular fabric, is that by variably introducing different CD materials, for example by introducing suitable wefts, without relatively great technical effort, this is in contrast to the corresponding preparation of warp beams for circular fabrics. By targeted, individually tailored use of weft threads with specific thread materials, thread constructions, thread diameters or thread strengths and thread densities [ number/cm ], the carrier can be optimized both in terms of its dimensional stability (in particular CD) and its permeability, with the aim of perfect impregnation of the polymer matrix.

According to a preferred embodiment of the invention, there is provided that the carrier has at least two superimposed multiaxial layers extending in the longitudinal or machine direction of the carrier and extending in a transverse direction running transversely to the carrier, wherein the multiaxial layers seen in the transverse direction consist at least partly, preferably entirely, of a plurality of adjacent partial webs adjacent to each other, the partial webs comprising longitudinal lines extending in the partial web longitudinal direction and transverse lines extending transversely in the partial web transverse direction, the partial web longitudinal direction of the partial webs being inclined relative to the longitudinal direction of the respective multiaxial layer and enclosing an angle α, α 'with it and the partial web transverse direction of the partial webs being inclined relative to the transverse direction of the respective multiaxial layer and enclosing an angle β, β' with the transverse direction.

In one embodiment of the invention, an angle α enclosed by the local web longitudinal direction of the multiaxial layer and the longitudinal direction of the multiaxial layer and an angle α' enclosed by the local web longitudinal direction of the multiaxial layer or of the other multiaxial layer and the longitudinal direction of the other multiaxial layer may be provided, corresponding in number and/or in opposite directions.

In the same way, the angle β enclosed by the partial web cross direction of a multiaxial layer and the cross direction of that multiaxial layer and the angle β' enclosed by the partial web cross direction of that multiaxial layer or of another multiaxial layer and the cross direction of the other multiaxial layer may correspond in number and/or in the opposite direction.

If the partial webs of the two multiaxial layers have the same width in the partial web transverse direction, it is expedient if the angles correspond in number and in opposite directions. This achieves a particularly uniform force distribution. If the partial webs of the multiaxial layers have different widths, the angles α, α 'and β, β' will deviate from each other, but the opposite directions are still reasonable.

In one embodiment of the invention, it is provided that for at least one multiaxial layer the angle α, α' enclosed by the local web longitudinal direction of the multiaxial layer and the multiaxial layer longitudinal direction is at least 0.6 °, in particular at least 1.5 °, preferably at least 2 ° and/or at most 10 °, in particular at most 7 °, preferably at most 5 °.

The setting of the angle size is inversely proportional to the length of the conveyor belt-the width of the partial web has been determined. In other words, as the length of the conveyor belt increases, the angle of the local web longitudinal direction of the multiaxial layer to the longitudinal direction of the multiaxial layer becomes smaller.

Furthermore, it is advantageous for at least one multiaxial layer that the longitudinal lines of the partial webs of the multiaxial layer are parallel or substantially parallel to each other and/or that the transverse lines of the partial webs of the multiaxial layer are parallel or substantially parallel to each other.

The essential requirement here is that the longitudinal threads should extend in the longitudinal direction of the partial web.

It can also be applied to at least one multiaxial layer, i.e. the partial webs forming the multiaxial layer are each configured in the same manner as a woven fabric, in particular as a single-layer planar woven fabric, a knitted fabric, a laid-line scrim (laid thread scrim), a woven fabric (woven) or an extruded net (extruded net). This type of woven fabric has a relatively open structure. Fabric multiaxial layers have proven particularly suitable.

A further embodiment of the conveyor belt according to the invention is characterized in that at least some of the longitudinal threads (preferably all of the longitudinal threads) are formed by monofilaments and/or staple yarns and/or twisted yarns, the longitudinal threads in particular being composed of monofilaments, and/or at least some of the transverse threads (preferably all of the transverse threads) are formed by monofilaments and/or staple yarns and/or twisted yarns, the transverse threads in particular being composed of monofilaments.

It may be provided that at least some of the longitudinal threads (preferably all of the longitudinal threads) consist of monofilaments and/or monofilament twists and at least some of the transverse threads (preferably all of the transverse threads) consist of monofilaments and/or monofilament twists, wherein the monofilament twists are preferably each formed of four or six or nine monofilaments, the diameter of the monofilaments being in the range of 0.15mm to 0.25mm and/or wherein the diameter of the monofilaments is preferably in the range of 0.3mm to 0.05 mm.

According to a further embodiment of the invention, it is provided that some (preferably all) of the longitudinal wires have a circular (round) and/or spherical (round) and/or rectangular cross-section and/or are designed as flat wires (flat wires). In the same way, it is possible to provide some transverse wires (preferably all transverse wires) with a circular and/or spherical and/or rectangular cross section and/or designed as flat wires.

The longitudinal and/or transverse threads preferably consist of a polymer material.

Preferably, the longitudinal and/or transverse threads are made of Polyamide (PA) and/or polyester, in particular polyethylene terephthalate (PET) and/or polyethylene furanate (PEF), the longitudinal threads are preferably made of polyamide 6 (PA 6) and/or are composed of PET and/or PEF, and the transverse threads are composed of PA6 and/or PA6.10 and/or PA4.10 and/or PA11 and/or PET and/or PEF.

The multiaxial layers of the carrier may be directly connected to each other and then preferably welded, glued or needled to each other.

However, the preferred embodiment is that the multiaxial layers are not directly connected to each other, but are fixed to each other only by the structural material (i.e., indirectly).

The carrier may have two multiaxial layers, which are designed as annular rings (endless loops).

In this case, the multiaxial layer is preferably obtained by spirally winding at least one partial web strip having a width smaller than the width of the conveyor belt and a length exceeding the length of the conveyor belt.

The partial web preferably has straight edges. However, the partial web may have toothed or meandering or wavy longitudinal edges. In the case of straight and non-straight longitudinal edges, the partial webs may be positioned in abutting contact with each other or in overlapping manner with each other.

According to another exemplary embodiment, adjacent partial webs are connected to each other at their longitudinal edges. For example, they may be sewn to each other and/or adhered to each other and/or fused to each other and/or welded to each other.

The structural material may comprise or consist of natural rubber.

Alternatively, the structural material may comprise 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 to be particularly advantageous if the construction material consists of a multicomponent polyurethane casting resin system, in particular a polyether polyurethane prepolymer based on diphenyl Methylene Diisocyanate (MDI) or on Toluene Diisocyanate (TDI) and/or a polytetramethylene ether glycol (PTMEG) polyol and/or an amine crosslinker and/or a plurality of amine crosslinkers and/or other polyvalent crosslinkers.

In order to provide the necessary support to the paper web, the hardness of the structural material is preferably in the range of 80 to 99 shore a, and/or the roughness Ra of the paper contact surface (5) of the structural material (4) is in the range of about 1.0 μm to 5.0 μm.

Furthermore, reinforcement materials may be embedded in the structural material (especially on the machine side of the conveyor belt) to improve the stability of the conveyor belt. The reinforcing material may be in the form of a woven and/or knitted fabric and/or braid and/or wire scrim and/or extruded mesh and/or wool.

According to a development of the invention, it is provided that the structural material in the paper contact surface area is smooth or has a texture for paper smoothing and/or for paper embossing, and/or that the structural material in the machine contact surface area has recesses (in particular grooves) and/or has blind holes. The paper contact surface is thus adjusted so that it is in direct contact with the paper web and provides it with a smooth surface or desired texture/embossing. On the other hand, on the machine side, a structure is provided which is particularly intended for receiving and draining liquid, so as to ensure an optimal static friction contact between the machine contact surface and the components of the paper machine, in particular the rolls thereof.

Finally, the invention relates to the use of a conveyor belt according to the invention in a machine such that a paper web guided through the paper machine contacts the paper side of the conveyor belt, in particular in the press section of the paper machine.

Drawings

Further features and advantages of the invention will become apparent from the following description of an embodiment of a conveyor belt according to the invention, with reference to the accompanying drawings.

The figure shows:

fig. 1: a schematic cross-sectional view of an exemplary embodiment of a conveyor belt according to the present invention;

fig. 2: a schematic top view of the conveyor belt of fig. 1;

fig. 3: a schematic partial illustration of a multiaxial layer in fabric form for a carrier of a conveyor belt according to the invention, the partial webs being connected by means of a laser welding device;

fig. 4: a schematic partial representation of a multiaxial layer in the form of a fabric, the partial webs being joined by stitched seams, and

fig. 5: a partial illustration of another exemplary embodiment of a multiaxial layer in the form of a woven fabric.

Detailed Description

Fig. 1 shows a schematic representation of a cross section of a conveyor belt (here a conveyor belt) of a paper machine according to the invention, with the upper side forming the paper side of the conveyor belt and the lower side forming the machine side of the conveyor belt.

The conveyor belt comprises a carrier 1. The carrier 1 is designed as a multiaxial carrier with two multiaxial layers 2, 3, which are located directly one above the other. The multiaxial layers 2, 3 are designed as annular rings, the rings of the machine-side multiaxial layer 3 being located within the rings of the paper-side multiaxial layer 2 and preferably being correspondingly shorter.

The carrier 1 is completely embedded in the structural material 4, which structural material 4 forms a paper contact surface 5 on the paper side on the upper side and a machine contact surface 6 of the conveyor belt on the machine side on the lower side. The two multiaxial layers 2, 3 are connected to each other only by the structural material 4 and are not otherwise attached to each other, e.g., are not directly needled and/or glued to each other.

The construction material 4 consists of an elastomer, here a multicomponent polyurethane casting resin system, with a polyether polyurethane prepolymer based on diphenyl Methylene Diisocyanate (MDI), polytetramethylene ether glycol (PTMEG) polyol and an amine crosslinker.

The hardness of the structural material 4 is in the range of 80 to 99 shore a.

The roughness Ra of the paper contact surface 5 formed of the structural material 4 is in the range of about 1.0 μm to 5.0 μm.

It is smooth but may also be provided with a texture to smooth the web or to provide texture/embossing.

On the other hand, the machine contact surface 6 is provided with a plurality of indentations (grooves) 7, in this case, which extend perpendicularly to the drawing plane, i.e. in the longitudinal direction of the conveyor belt. The dimples 7 serve to absorb liquid and/or impurities, thereby ensuring an optimal static friction contact between the machine contact surface 6 and the component, in particular the rolls of a paper machine.

The carrier 1 extends in the longitudinal direction (i.e. machine direction MD) and in the transverse direction CD in which it runs transversely. The multiaxial layers 2, 3 of the carrier 1 have a corresponding orientation.

As can be seen in particular from fig. 2, each of the two multiaxial layers 2, 3 of the carrier 1 consists of a plurality of partial webs 8, which webs 8 are stacked one on top of the other as seen in the cross direction CD. In fig. 2, the partial web 8 of the product-side multiaxial layer 2 at the top of the figure is shown with solid lines, while the partial web 8 of the machine-side multiaxial layer 3 immediately below is shown with dashed lines.

Each partial web 8 comprises a longitudinal line 9 extending in a partial web longitudinal direction TL and a transverse line 10 extending orthogonally thereto in a partial web transverse direction TQ. The longitudinal lines 9 and the transverse lines 10 are not shown in fig. 2, but can be seen in the exemplary embodiments of fig. 4 to 5.

Fig. 2 clearly shows that part of the partial web 8 has a partial web longitudinal direction TL which is inclined with respect to the longitudinal direction MD of the carrier 1 and thus with respect to the longitudinal direction MD of the multiaxial layers 2, 3 and encloses an angle α, α' with it.

Accordingly, the local web cross direction TQ of the local web 8 is oblique with respect to the cross direction CD of the multiaxial layers 2, 3 and forms an angle β, β' with the cross direction CD. The angle α formed by the partial web longitudinal direction TL of the paper-side multiaxial layer 2 and the machine-side multiaxial layer 3 and the angle α 'formed by the partial web longitudinal direction TL of the machine-side multiaxial layer 3 and the machine direction MD are the same in number, but the angles α, α' are oriented in opposite directions. In the exemplary embodiment shown, the angles α and α' are each about 4 °, but they are exaggerated for illustrative reasons. In a corresponding manner, angles β and β' are equal in magnitude at about 4 °, but are oriented in opposite directions.

The two multiaxial layers 2, 3 are obtained by spirally winding at least one partial web strip B, the width of which is several times smaller than the width of the conveyor belt and the length of which is several times the length of the conveyor belt.

Fig. 3 and 5 show sections of adjacent partial webs 8, the partial webs 8 being laid next to each other from a partial web strip B by being pulled out from a supply roll V, wherein the partial webs 8 are configured differently.

In the exemplary embodiment shown in fig. 3, the partial web 8 formed by the partial web strip B is formed as a laid-line scrim having longitudinal lines 9 extending in the partial web longitudinal direction TL and transverse lines 10 extending perpendicularly thereto in the partial web transverse direction TQ. In the region of their mutually facing longitudinal edges 11, the transverse lines 10 have projecting transverse line segments 12 in the form of stripes (fringe-like) which engage one another in an overlapping manner and are offset in the longitudinal direction TL of the partial web. The connecting lines 13 are laid on these line segments 12 and welded to the transverse line segments 12. The connecting line 13 is formed here by the longitudinal line 9.

Fig. 3 shows a laser welding device 14 which moves along the connecting line 13 over overlapping transverse line segments and creates a connection between the connecting line 13 and the transverse line segments 12.

In the exemplary embodiment shown in fig. 4, the partial web 8 and the multiaxial layers 2, 3 produced therefrom are designed as planar fabrics.

The longitudinal and transverse threads 9, 10 are made of plastic, such as polyamide, polyester or the like. They may be formed from monofilaments, twisted yarns (especially monofilament twisted), staple yarns, and the like.

Preferably, the longitudinal threads 9 or warp threads consist of monofilament threads formed of four, six or nine monofilaments, each having a diameter in the range of 0.15mm to 0.25mm, and the transverse threads 10 or weft threads consist of monofilaments having a diameter in the range of 0.30mm to 0.50 mm. The longitudinal threads 9 or warp threads are made of PA6, PET or PEF, while the transverse threads 10 or weft threads are made of PA6, PA6.10, PA4.10, PA11, PET or PEF. In the exemplary embodiment shown in fig. 5, there is a weft yarn twill 2-1 weave with a pitch number of 1.

In the region of the longitudinal edges 11, the partial web 8 has protruding transverse line segments 12 adjoining one another. The length dimension of the transverse line segments 12 is given such that the free distance between the longitudinal lines 9 adjacent to the longitudinal edges 11 of the partial web 8 is twice the free distance between the longitudinal lines 9 from each other. The filling line 15 is interposed between two mutually facing longitudinal lines 9 of the two partial webs 8, such that the filling line 15 is delimited at the top and bottom by transverse line segments 12. Insertion of the filling wire 15 can be done in the device according to fig. 3. The filling wire 15 has the same dimensions as the longitudinal wire 9 and consists of the same material. Due to the above-mentioned distance between adjacent longitudinal threads 9, it fills the gap in such a way that the longitudinal thread density remains unchanged also in the region of the longitudinal edges 11. When the filling wire 15 is fed in or immediately after it, the longitudinal edges 11 are connected to each other by two sutures 16.

In the exemplary embodiment shown in fig. 5, the multiaxial layers 2, 3 are also designed as planar fabrics, in particular with a weave of weft-crossed twill type 2-2 formed by splitting weft yarn repeats.

According to the example of fig. 4, all longitudinal threads 9 consist of monofilament threads consisting of four monofilaments having a diameter of 0.2 mm.

The transverse wire 10 is designed as a monofilament with two different cross-sectional shapes and two different thicknesses.

In particular, the transverse wire 10 has two different configurations 10a, 10b.

The circular transverse wire 10a has a circular cross section of a larger diameter, and the flat transverse wire 10b is designed as a flat wire having a rectangular cross section, the thickness of which is smaller than the diameter of the circular transverse wire 10 a.

The transverse wires 10a and the flat transverse wires 10b with a circular cross-section are alternately arranged in the longitudinal direction TL of the partial web. In the embodiment shown in fig. 5, the longitudinal threads 9 or warp threads are made of PA6, PET or PEF, while the transverse threads 10 or weft threads are made of PA6, PA6.10, PA4.10, PA11, PET or PEF.

In fig. 5, which is purely schematic, only a portion of a single partial web 8 is shown, so that the type of connection between adjacent partial webs 8 cannot be seen. The connection is the same as shown in fig. 3 or fig. 4. Thus, the partial webs 8 may be welded together with overlapping or stitched butt joints. Alternatively or additionally, adjacent partial webs 8 may also be bonded and/or fused.

List of reference numerals

1 vector

2 multiaxial layers

3 multiaxial layers

4 structural material

5 paper contact surface

6 machine contact surface

7 dent

8 partial web

9 longitudinal lines

10 transversal line

10a circular transverse line

10b Flat transverse wire

11 longitudinal edges

12 line segments

13 connecting wire

14 laser welding device

15 filling line

16 suture

Machine or machine direction of MD axes

Transverse direction of CD axis

TL local web machine direction

TQ local cross web direction

W roller

V supply roller

B partial web strips

Claims

1. Conveyor belt for a paper machine, in particular a conveyor belt, with a paper side for supporting a paper web and a machine side facing away from the paper side, comprising a carrier (1) and a water-impermeable construction material (4), the carrier (1) being partly or completely embedded in the construction material (4) and forming a paper contact surface (5) on the paper side and a machine contact surface (6) of the conveyor belt on the machine side, characterized in that the carrier (1) is designed as a multiaxial carrier.

2. Conveyor belt according to claim 1, characterized in that the carrier (1) has at least two superimposed multiaxial layers (2, 3) extending in the longitudinal or Machine Direction (MD) of the carrier and in a transverse direction (CD) running transversely to the carrier, wherein the multiaxial layers seen in the transverse direction are at least partially, preferably completely, composed of a plurality of partial webs (8) adjacent to each other, the partial webs (8) comprising longitudinal lines extending in a partial web longitudinal direction (TL) and transverse lines extending transversely in a partial web transverse direction (TQ), the partial web longitudinal direction (TL) of the partial webs (8) being inclined with respect to the longitudinal direction (MD) of the respective multiaxial layer (2, 3) and enclosing an angle (α, α ') with respect to the transverse direction (CD) of the respective multiaxial layer (2, 3) and the partial web transverse direction (TQ) of the partial webs (8) enclosing an angle (β, β') with respect to the transverse direction (CD) of the respective multiaxial layer (2, 3).

3. Conveyor belt according to claim 2, characterized in that the angle (a) enclosed by the local web longitudinal direction (TL) of a multiaxial layer (2) and the longitudinal direction (MD) of the multiaxial layer (2) and the angle (α') enclosed by the local web longitudinal direction (TL) of the or another multiaxial layer (3) and the longitudinal direction (MD) of the other multiaxial layer (3) correspond in number and/or in opposite directions.

4. A conveyor belt according to claim 2 or 3, characterized in that for at least one multiaxial layer (2, 3), the local web longitudinal direction (TL) of the multiaxial layer (2, 3) encloses an angle (α, α') with the longitudinal direction (MD) of the multiaxial layer of at least 0.6 °, in particular of at least 1.5 °, preferably of at least 2 ° and/or of at most 10 °, in particular of at most 7 °, preferably of at most 5 °.

5. Conveyor belt according to any one of claims 2 to 4, characterized in that for at least one multiaxial layer (2, 3), the longitudinal lines (9) of the partial webs (8) of the multiaxial layers (2, 3) are parallel or substantially parallel to each other and/or the transverse lines (10) of the partial webs (8) of the multiaxial layers (2, 3) are parallel or substantially parallel to each other.

6. Conveyor belt according to any one of claims 2 to 5, characterized in that for at least one multiaxial layer (2, 3), the partial webs (8) forming the multiaxial layers (2, 3) are each formed in the same way as a woven fabric, in particular as a single-layer planar fabric, a knitted fabric, a laid-line scrim, a braid or an extruded mesh.

7. Conveyor belt according to any one of claims 2 to 6, characterized in that at least some of the longitudinal threads (9), preferably all of the longitudinal threads (9), are formed from monofilaments and/or staple yarns and/or twisted yarns, the longitudinal threads (9) in particular being composed of monofilaments, and/or at least some of the transverse threads (10), preferably all of the transverse threads (10) being formed from monofilaments and/or staple yarns and/or twisted yarns, the transverse threads (10) in particular being composed of monofilaments.

8. Conveyor belt according to claim 7, characterized in that at least part of the longitudinal threads (9), preferably all longitudinal threads (9), consist of monofilaments and/or monofilament twists, and at least part of the transverse threads (10), preferably all transverse threads (10), consist of monofilaments and/or monofilament twists, wherein the monofilament twists are preferably formed of four, six or nine monofilaments, the diameter of which is in the range of 0.15mm to 0.25mm and/or the diameter of which is preferably in the range of 0.30mm to 0.50 mm.

9. Conveyor belt according to any one of claims 2 to 8, characterized in that a part of the longitudinal threads (9), preferably all longitudinal threads (9), and/or a part of the transverse threads (10), preferably all transverse threads (10), have a round and/or spherical and/or rectangular cross section and/or are designed as flat threads.

10. Conveyor belt according to any one of claims 2 to 9, characterized in that the longitudinal wires (9) and/or the transverse wires (10) consist of a polymer material.

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

12. Conveyor belt according to any one of claims 2 to 11, characterized in that the multiaxial layers (2, 3) of the carrier (1) are directly connected to each other, the multiaxial layers (2, 3) preferably being welded, glued or needled to each other.

13. Conveyor belt according to any one of claims 2 to 11, characterized in that the multiaxial layers (2, 3) of the carrier (1) are fixed to each other only by the structural material (4).

14. Conveyor belt according to any one of claims 2 to 13, characterized in that the carrier (1) has two multiaxial layers (2, 3), which multiaxial layers (2, 3) are designed as endless loops.

15. Conveyor belt according to any one of claims 2 to 14, characterized in that the partial web (8) has straight or toothed or meandering or wavy longitudinal edges (11).

16. Conveyor belt according to any one of claims 2 to 15, characterized in that the partial web (8) has a width of at least 0.5m, in particular a width of 1m±0.2m, in the partial web cross direction (TQ).

17. Conveyor belt according to any one of claims 2 to 16, characterized in that adjacent partial webs (8) are connected to each other at their longitudinal edges (11), in particular are stitched to each other and/or are glued to each other and/or are fused to each other and/or are welded to each other, the adjacent partial webs (8) of the longitudinal edges (11) being positioned adjacent or overlapping each other.

18. Conveyor belt according to any one of the preceding claims, characterized in that the structural material (4) has or consists of natural rubber.

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

20. Conveyor belt according to claim 19, characterized in that the construction material (4) consists of a multicomponent polyurethane casting resin system, in particular a polyether polyurethane prepolymer based on diphenyl Methylene Diisocyanate (MDI) or on Toluene Diisocyanate (TDI) and/or polytetramethylene ether glycol (PTMEG) polyol and/or amine cross-linker and/or amine cross-linkers and/or other multivalent cross-linkers.

21. Conveyor belt according to any one of the preceding claims, characterized in that the hardness of the structural material (4) is in the range of 80 to 99 shore a and/or the roughness Ra of the paper contact surface (5) of the structural material (4) is in the range of about 1.0 μm to 5.0 μm.

22. Conveyor belt according to any of the preceding claims, characterized in that the structural material (4) in the area of the paper contact surface (5) is smooth or has a texture for paper smoothing and/or for paper embossing and/or in that the structural material in the area of the machine contact surface (6) has indentations (7), in particular grooves, and/or blind holes, to promote drainage.

23. Conveyor belt according to any of the preceding claims, characterized in that reinforcement material is embedded in the structural material (4), in particular on the machine side of the conveyor belt.

24. Conveyor belt according to claim 23, characterized in that the additional reinforcing material is in the form of woven and/or knitted fabrics and/or mesh and/or laid thread scrims and/or extruded mesh and/or wool.

25. Use of a conveyor belt according to any of the preceding claims in a paper machine such that a paper web fed through the paper machine contacts the paper side of the conveyor belt, in particular in the press section of the paper machine.