Abstract: A press felt for a machine for producing a fibrous material web has a woven base structure and a nonwoven support fixed thereon. The base structure includes a first fabric layer and a second fabric layer, wherein at least the first fabric layer has longitudinal threads and transverse threads which intersect at intersecting points. The longitudinal threads and the transverse threads of the first fabric layer are integrally bonded to each other, in particular welded to each other, at at least 5% of the intersecting points, in particular at at least 10% of the intersecting points.

Abstract: A paper machine clothing, such as a press felt for a machine for producing or processing a pulp web, has a base structure. The base structure has a first woven-fabric layer and a second woven-fabric layer which are arranged one above the other and each having threads in the machine direction (MD) and threads in the cross-machine direction (CD). Both the first woven-fabric layer and the second woven-fabric layer include threads which are in the form of monofilaments and threads that are in the form of twisted threads.

Abstract: A basic structure for a covering, in particular a press felt for a machine for producing a fiber web, includes a first ply having first MD yarns and first CD yarns, and a second ply having second MD yarns and second CD yarns. The first ply is disposed above the second ply. The first CD yarns have a smaller diameter than the second CD yarns, and the yarn density of the first CD yarns is greater than the yarn density of the second CD yarns.

Abstract: A method for thermally fixing a seam loop of a basic structure for a paper machine clothing, such as a seam felt of a paper machine. A flat fabric is provided with longitudinal threads and transverse threads. The flat fabric may have passed through a first thermal fixing process. The flat fabric is folded at at least one folding point to form a two-ply structure and to form a seam loop at the folding point. An electrically conductive pintle wire is inserted into the seam loop and the electrically conductive wire is heated by applying a voltage for thermally fixing the seam loop and for improving a structure of the seam loop.

Abstract: A clothing or seamed felt for a pressing section of a machine producing a fibrous web includes at least one base structure and at least one staple fiber layer is disposed on the base structure. The staple fiber layer is disposed on a side facing the fibrous web and/or the machine. At least one seam zone has seam loops connected to one another by at least one pintle or seam wire making the clothing endless. The staple fiber layer is divided in the region of the seam zone by at least one cut forming a seam flap and a seam wedge or gusset. At least one connecting element is inserted between the seam flap and the seam wedge. The connecting element is materially connected, in particular welded, to staple fibers of the seam flap and/or of the seam wedge. A method for using the clothing is also provided.

Abstract: A clothing or seamed felt for use in a pressing part of a machine for producing a fibrous web includes at least one base structure and at least one staple fiber layer on the base structure. The at least one staple fiber layer is disposed on a side facing the fibrous web. At least one seam zone has seam loops connected to one another by at least one pintle to make the clothing endless. The at least one staple fiber layer is divided in the region of the seam zone by at least one cut, forming a seam flap and a seam wedge. The staple fiber layer has in the region of the seam zone, in both the seam flap and the seam wedge, a quantity of connecting fibers connected to one or more additional staple fibers by welded connections. A method for producing a clothing is also provided.

Abstract: A covering for a machine for producing or processing a fibrous web, in particular a paper or tissue web. The covering includes a basic covering which has a web-contacting upper side and an underside, and a plurality of polymer elements. The polymer elements are welded onto the upper side and at least some of the polymer elements are in the form of yarn-shaped and/or tape-shaped polymer elements.

Abstract: A seamed felt for use in a machine for producing a tissue web has a single-layer or multilayer base structure and at least one layer of non-woven fibers. The base structure has a textile structure with MD threads which form seam loops at the two front edges of the base structure. The fabric can be made endless by connecting its front edges by way of a seam. The seam can be formed by interlocking the seam loops of the two front edges and introducing a push-in element. The MD threads wholly or predominantly have a diameter between 0.25 mm and 0.45 mm, in particular between 0.3 mm and 0.35 mm, and the thread density of the MD threads is more than 37%, in particular between 37% and 45%. There is also described a corresponding machine and a method for producing a tissue web.

Abstract: A basic structure of a clothing for a machine for producing or processing a fibrous web, in particular a paper, cardboard or tissue web. The basic structure has at least a first flat fabric of fabric type A and a second flat fabric of fabric type B, and, furthermore, two loop elements. The loop elements are formed in each case from a flat fabric piece which has a first portion of fabric type A and a second portion of fabric type B. The first portion is laid down on the second portion in such a way that the folding point is formed at a spacing of less than 5 cm, in particular less than 1 cm, from the changeover position between the fabric type A and the fabric type B. The first and the second flat fabric are arranged above one another, and the two loop elements are arranged in each case at a face-side, front end.

Abstract: A fabric, in particular a felt, for use in a machine for producing a tissue web, has a base structure, which has a textile structure with MD threads, and at least one layer of nonwoven fibers. The MD threads predominantly or as a whole have a diameter ranging between 0.25 mm and 0.45 mm, in particular between 0.3 mm and 0.35 mm, and the thread density of the MD threads is more than 37%, in particular between 37% and 45%. There is also described a machine and a method for producing a tissue web using such a fabric.

Abstract: A press felt for a machine for producing a fibrous material web has a woven base structure and a nonwoven support fixed thereon. The base structure includes a first fabric layer and a second fabric layer, wherein at least the first fabric layer has longitudinal threads and transverse threads which intersect at intersecting points. The longitudinal threads and the transverse threads of the first fabric layer are integrally bonded to each other, in particular welded to each other, at at least 5% of the intersecting points, in particular at at least 10% of the intersecting points.

Abstract: A web connection for a fabric of a machine for producing or processing a fibrous material web includes a first web end with first longitudinal thread ends, a second web end with second longitudinal thread ends, and at least one connection element which extends in the transverse direction of the resultant fabric. The connection element has an upper face and a lower face, and the first longitudinal thread ends and the second longitudinal thread ends solely contact and bond to the upper face of the connection element, in particular the thread ends are welded thereto. The fabric with a paper side and a running side. The fabric has at least one first web layer with at least one such web connection which is arranged such that the lower face of the at least one connection element is oriented in the direction of the running side of the fabric.

Abstract: A covering for a machine for producing or processing a fibrous web, in particular a paper or tissue web. The covering includes a basic covering which has a web-contacting upper side and an underside, and a plurality of polymer elements. The polymer elements are welded onto the upper side and at least some of the polymer elements are in the form of yarn-shaped and/or tape-shaped polymer elements.

Abstract: A clothing or seamed felt for a pressing section of a machine producing a fibrous web includes at least one base structure and at least one staple fiber layer is disposed on the base structure. The staple fiber layer is disposed on a side facing the fibrous web and/or the machine. At least one seam zone has seam loops connected to one another by at least one pintle or seam wire making the clothing endless. The staple fiber layer is divided in the region of the seam zone by at least one cut forming a seam flap and a seam wedge or gusset. At least one connecting element is inserted between the seam flap and the seam wedge. The connecting element is materially connected, in particular welded, to staple fibers of the seam flap and/or of the seam wedge. A method for using the clothing is also provided.

Abstract: A basic structure of a clothing for a machine for producing or processing a fibrous web, in particular a paper, cardboard or tissue web. The basic structure has at least a first flat fabric of fabric type A and a second flat fabric of fabric type B, and, furthermore, two loop elements. The loop elements are formed in each case from a flat fabric piece which has a first portion of fabric type A and a second portion of fabric type B. The first portion is laid down on the second portion in such a way that the folding point is formed at a spacing of less than 5 cm, in particular less than 1 cm, from the changeover position between the fabric type A and the fabric type B. The first and the second flat fabric are arranged above one another, and the two loop elements are arranged in each case at a face-side, front end.

Abstract: A paper machine clothing, in particular a press felt, for a machine for producing or processing a fibrous material web, includes a base structure and at least one layer of nonwoven fibers disposed on the base structure. The layer of nonwoven fibers has bonding fibers and further fibers. The bonding fibers and the further fibers differ in at least one material property, and at least some of the bonding fibers are connected to one or more further fibers and/or elements of the base structure by an integral joining connection, in particular a weld connection. A method for producing the clothing is also provided.

Abstract: A fabric, in particular a felt, for use in a machine for producing a tissue web, has a base structure, which has a textile structure with MD threads, and at least one layer of nonwoven fibers. The MD threads predominantly or as a whole have a diameter ranging between 0.25 mm and 0.45 mm, in particular between 0.3 mm and 0.35 mm, and the thread density of the MD threads is more than 37%, in particular between 37% and 45%. There is also described a machine and a method for producing a tissue web using such a fabric.

Abstract: A seamed felt for use in a machine for producing a tissue web has a single-layer or multilayer base structure and at least one layer of non-woven fibers. The base structure has a textile structure with MD threads which form seam loops at the two front edges of the base structure. The fabric can be made endless by connecting its front edges by way of a seam. The seam can be formed by interlocking the seam loops of the two front edges and introducing a push-in element. The MD threads wholly or predominantly have a diameter between 0.25 mm and 0.45 mm, in particular between 0.3 mm and 0.35 mm, and the thread density of the MD threads is more than 37%, in particular between 37% and 45%. There is also described a corresponding machine and a method for producing a tissue web.

Abstract: A fabric clothing, in particular a press felt, for use in a machine for producing a fibrous web, contains a woven fabric strip having interwoven longitudinal threads and cross threads, as well as having a first and a second longitudinal end. The two longitudinal ends of the woven fabric strip are connected to one another in a connection zone. Provision is made that the two longitudinal ends are welded to one another by a transmission welding, in particular by a laser transmission welding.

Abstract: A clothing, in particular a seam felt for a machine producing a fibrous material web, in particular a paper, paperboard, tissue or pulp web, includes a base structure including or formed of a two-layer laminate structure formed of one or more flat-woven fabrics. The laminate structure has MD threads forming seam loops at two end sides of the base structure, and the two layers of the laminate structure are connected to one another by the seam loops. The clothing is made endless by connecting the end sides by a seam. The seam is made by interengaging the seam loops of both end sides and introducing an insertion element. The diameter of the seam loops LD and the diameter of the associated MD threads MDYD have a ratio LD/MDYD of between 2.5 and 4, in particular between 2.7 and 3.6.