Abstract: The object of the present invention is to provide a two-layer fabric for manufacturing a unwoven fabric which can reduce the sticking of the fiber generated upon the manufacturing of the unwoven fabric, while add the excellent lateral rigidity, the excellent diagonal rigidity, and the excellent sheet supportability to the two-layer fabric for manufacturing the unwoven fabric.

Abstract: A fibrous structure. The structure includes a plurality of semi-continuous knuckles extending from portions of the surface of the fibrous structure in a parallel path, wherein the plurality of semi-continuous knuckles are separated by adjacent semi-continuous pillow regions. Each semi-continuous knuckle comprises a plurality of discrete pillows, the plurality of discrete pillows are arranged in a spaced configuration along the path of each of the semi-continuous knuckle.

Abstract: The object is to provide a base fabric for a papermaking felt wherein there is no damage to the MD yarns of the seam loops and a method of producing the same. This is achieved by a base fabric for a papermaking felt wherein seam loops are formed by MD yarns, which is made from MD yarns of the felt running direction (MD) and CD yarns of the felt cross-direction (CD); wherein the seam loops are obtained by removing CD yarns from a part other than the CD yarn no-removal part of a woven fabric comprising a seam loop region having the CD yarn no-removal part, and by moving CD yarns of the CD yarn no-removal part and CD yarns from between the CD yarn no-removal part and the part in which the CD yarns have been removed in the direction of the part in which the CD yarns have been removed, and wherein the strength of the MD yarns of the part in which the CD yarns have been removed is lower than the strength of the MD yarns of the CD yarn no-removal part.

Abstract: A seamless press felt is provided having inner and outer base fabric layers, which can be woven or non-woven, having an MD length and CD width, each including at least a first array of MD oriented yarns and being formed as a continuous unbroken tube structure. An elastic intermediate yarn assembly with parallel and regularly spaced CD yarns, each bonded to an elastic carrier material, is formed as a continuous unbroken tube structure, and is “socked” between the inner and outer base fabric layers. The elastic intermediate yarn assembly has an MD length that is from 1% to 10% less than the MD length of the press felt prior to assembly and is elastically stretched during assembly between the inner and outer base fabric layers. At least one batt layer needled through the inner and outer base fabric layers and the elastic intermediate yarn assembly to fornt he press felt.

Abstract: The embodiment of the present disclosure provides a composite sheet, an electronic apparatus and a method for producing a component from the composite sheet, the composite sheet comprises a first sheet layer, a second sheet layer and a solid layer, wherein, the first sheet layer comprises at least one layer of first reinforced material; the second sheet layer comprises at least one layer of second reinforced material; the solid layer is located between the first sheet and the second sheet layer, wherein the solid layer is capable of being protruded from an interlayer space between the first sheet and the second sheet layer. Because the solid layer may be thermoplastic resin material which has a light weight, the entire weight of the composite sheet may be reduced.

Abstract: An innovative papermaking belt is disclosed. The papermaking belt has a framework and a reinforcing structure. The framework has a first surface defining a paper-contacting side of the papermaking belt, a second surface opposite the first surface, and conduits extending between the first and second surfaces. The reinforcing structure is positioned between the first surface and at least a portion of the second surface. The reinforcing structure comprises a plurality of machine direction warp yarns interwoven with a plurality of cross-machine direction weft yarns. At least one of the machine direction warp yarns further comprises a measuring device.

Abstract: A method of making a papermaking belt is disclosed. The papermaking belt has a reinforcing structure and a framework. The method comprises the steps of: (a) providing a reinforcing structure having a paper-facing side, a machine-facing side opposite the paper-facing side, interstices and a reinforcing component comprised of a plurality of structural components; (b) providing a first portion of the reinforcing component with a measuring device, the measuring device being disposed upon the first portion of the reinforcing component; and, (c) coating the at least one side of the reinforcing structure with a material so that the material forms a first surface and a second surface, the material being distributed so that the paper-facing side of the reinforcing structure and the measuring device is positioned between the first and second surfaces of the material.

Abstract: A process for preparing a seam area for a paper machine clothing (PMC) base fabric includes the steps of: forming the PMC base fabric by flat-weaving, the PMC base fabric including warp yarns extending in machine direction and weft yarns extending in cross machine direction and interwoven with the warp yarns, the weft yarns including first weft yarns and a second weft yarn, the second weft yarn being a multifilament yarn, the warp yarns, the first weft yarns, and the multifilament yarn being woven together on a loom in an original weaving process, the multifilament yarn being positioned in an anticipated seam area; and folding over the PMC base fabric, after weaving the multifilament yarn with the warp yarns, to form a seam loop of the PMC base fabric such that the multifilament yarn is a first one of the weft yarns on a sheet side of the seam loop.

Abstract: A press felt includes: a base fabric comprising a plurality of repeat units, each of the repeat units comprising a plurality of exterior machine direction (MD) yarns, each of which includes an upper run and a lower run merging with seam loops at each end, a plurality of middle MD yarns positioned between the upper and lower runs of the exterior MD yarns, a plurality of cross machine direction (CMD) yarns interwoven with the exterior MD yarns and the middle MD yarns in a predetermined regular weave pattern, the seam loops defining the longitudinal ends of the press felt; and a batt layer overlying the base fabric.

Abstract: An industrial two-layer fabric has an inner space between an upper side fabric and a lower side fabric. Some or all of upper side wefts or lower side wefts are secondary wefts interwoven with upper side warps or lower side warps so as to make the number of warps passing on an upper surface of the upper side fabric or passing on a lower surface of the lower side fabric larger than that on an inner space side of the upper or lower side fabric and a long crimp in the inner space is formed by the secondary weft.

Abstract: An industrial fabric, belt or sleeve and a method of making the fabric, belt or sleeve are disclosed. The industrial fabric, belt or sleeve is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, around two rolls in a side-to-side manner in which a gap between adjacent edges is formed. A second material, for example a gap filler material, is placed between the adjacent edges, and the adjoining edges are joined by melting the filler material, strips of polymeric material, or both. The gap filler material can have a specific cross-sectional shape corresponding to the gap.

Abstract: A multiaxial press felt base fabric construction is provided in which the base fabric is formed from a spirally wound precursor textile strip having a width that is less than an overall width of the assembled papermaking fabric and which is joined together along neighboring adjacent edges to form a fabric tube. At least one of: 100% of the MD yarns located on one surface of the precursor textile strip are comprised of cabled yarns or from 50% to 100% of the CD yarns are a cabled yarn. The MD yarns are arranged as vertically stacked pairs for compression resistance to provide void volume, and the vertically stacked arrangement is maintained by interweaving with one system of CD weft yarns.

Abstract: A press felt includes a base structure providing dimensional stability in a machine and a cross machine direction of the felt, a batt fiber structure including batt fiber layers attached to the base structure which provide a paper contacting side and a machine contacting side of the felt. The base structure includes a first and second side. Polymeric beads or strands made from a polymeric material are arranged on at least one of the two sides of the base structure. The polymeric beads or strands arranged on the at least one side have a longitudinal expansion in the machine direction of the felt and are arranged side-by-side when viewed in the cross machine direction of the felt to generate space between adjacent beads or strands. At least one of the batt fiber layers is arranged to cover both the at least one side and the polymeric beads or strands thereon.

Abstract: A multilayer fabric is joined by engaging joining loops formed at both ends of a disjoined industrial multilayer fabric having wefts and warps in layers. The joining loops are formed by folding back some or all the end portions of warps. The both ends of the fabric are joined by engaging the loops to form a common hole and inserting a core wire into the common hole. At least one upper side weft remains while a lower side weft below the remaining upper side weft is removed at the both ends of the fabric. The common hole and the core wire inserted therein are located below the remaining upper side weft. The folded portions of the warps are interwoven with wefts of a normal portion of the fabric.

Abstract: A machine for producing fiber-containing web material, in particular tissue paper, includes a permeable dewatering belt for transporting fiber-containing source material used for producing web material from a forming section to a suction/pressing section, and a press belt assembly assigned to the suction/pressing section. The source material is received in the suction/pressing section between the press belt assembly and the dewatering belt and the press belt assembly presses the source material and the dewatering belt against a suction assembly of the suction/pressing section. The press belt assembly has a single press belt providing a source material contact surface.

Abstract: A fabric for forming a fibrous paper web having an embossed surface is provided that includes at least longitudinal and transverse threads interwoven with one another in a weave repeat defining a machine side and a paper side. Some of the longitudinal threads form embossing threads having projecting paper side floats on the paper side of the fabric passing over more than one transverse thread. The fabric includes at least a first woven fabric layer forming the paper side on its outside and having longitudinal and transverse first threads interwoven with one another and a second woven fabric layer forming the machine side on its outside and having longitudinal and transverse second threads interwoven with one another. At least some of the longitudinal second threads form embossing threads, which penetrate the first woven fabric layer for forming the paper side floats and connect the two woven fabric layers.

Abstract: A method for forming an industrial textile product by spiral winding an array of machine direction (MD) yarns to form a system having a defined width, and then connecting the MD yarns in the cross machine (CD) direction with resin. This method is a replacement for conventional weaving or knitting of substrates which can be used as forming, press or dryer fabrics in papermaking, and other industrial applications. Devices for forming the product are also described.

Abstract: A method for forming an industrial textile product by spiral winding an array of machine direction (MD) yarns to form a system having a defined width, and then connecting the MD yarns in the cross machine (CD) direction with resin. This method is a replacement for conventional weaving or knitting of substrates which can be used as forming, press or dryer fabrics in papermaking, and other industrial applications. Devices for forming the product are also described.

Abstract: Press felts for papermaking include a batt fiber layer and a base fabric. The batt fiber layer is integrated into the base fabric. The base fabric includes a ground warp yarn, a ground weft yarn, and an additional warp yarn. The ground warp yarn and the ground weft yarn include monofilament yarns, and the additional warp yarn includes a material different from a material forming the ground warp yarn. The additional warp yarn is arranged so that, when the base fabric is viewed in cross-section in a warp yarn direction, the additional warp yarn ascends toward a wet paper web-side surface of the base fabric and descends toward a roll-side surface of the base fabric, relative to the at least one ground warp yarn.

Abstract: A felt that further equalizes a pressure state under pressurization by a press so as to smooth the surface of a wet paper web without causing marking on the surface thereof and allow water to be uniformly squeezed out from the wet paper web without crushing the wet paper web is provided by a papermaking press felt wherein a difference between a maximum value and a minimum value of an interval between an upper knuckle portion and an upper knuckle portion, an interval between upper and lower knuckle portions, or an interval between a lower knuckle portion and a lower knuckle portion is arranged to be a value corresponding to 1.0 piece or less of an upper warp yarn in a base fabric.

Abstract: An industrial fabric, belt or sleeve and a method of making the fabric, belt or sleeve are disclosed. The industrial fabric, belt or sleeve is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, and joining the adjoining sides of the strips of material using ultrasonic welding or laser welding techniques. The fabric, belt or sleeve may then be perforated using a suitable technique to make it permeable to air and/or water.

Abstract: The present invention provides a multilayer multiaxial woven fabric for a papermachine having a reduced interference pattern and accordingly improved dewatering uniformity. The present invention also provides a method of forming such multilayer multiaxial fabric.

Abstract: Provided is a belt for transferring a wet web, wherein any water mark does not appear on made paper even when a rate of feeding the belt for transferring a wet web by a roll is high. The roll side layer surface of the belt for transferring a wet web has the surface structure in which the percentage of a contact area with the roll per unit area is 10% to 75% and a surface roughness Ra is 50-150 ?m.

Abstract: The invention relates to a paper machine belt, some of the threads or all of the threads being made partially or entirely of a bioplastic.

Abstract: A wet paper web transfer belt for transferring a wet paper web includes a wet paper web contacting surface for carrying the wet paper web. The wet paper web contacting surface is constituted by a resin layer. The wet paper web contacting surface includes, in the width direction, sheet edge regions for carrying the edge parts of the wet paper web and a center region for carrying the center vicinity of the wet paper web. The arithmetic average roughness Ra1 (?m) of the wet paper web contacting surface in the sheet edge regions is smaller than the arithmetic average roughness Ra2 (?m) of the wet paper web contacting surface in the center region, and prescribed roughness related equations are fulfilled.

Abstract: A wet paper web transfer belt for transferring a wet paper web includes a wet paper web contacting surface for carrying the wet paper web. The wet paper web contacting surface is constituted by a resin layer, and the wet paper web contacting surface includes a wet paper web carrying region for carrying the wet paper web. A prescribed relation of the swelling rate in water of the resin layer and the surface roughness of the wet paper web contacting surface is fulfilled in accordance with the basis weight of the base paper of the wet paper web.

Abstract: The invention disclosed herein relates to the use of laser energy to weld or melt selected locations in papermachine clothing (“PMC”) and other industrial and engineered fabrics. The invention also relates to an improved seam for a papermaker or other industrial fabric that has properties such as strength, durability, openness, adequate number of support points, and fiber support index (FSI) essentially the same as the fabric body. The invention also relates to a fabric having a durable seam, wherein the seam width as measured in the MD is a fraction of the width of a normal seam or a seam that is formed using a conventional technique of equal strength.

Abstract: A woven papermaker fabric having a first woven fabric layer made of first threads and having a second woven fabric layer made of second threads, the two woven fabric layers being connected by binder threads formed by structural second threads at binder points and having knuckles having peaks constituting a peak plane parallel to a paper side plane, and the first threads forming knuckles with concave inner bends, the points of which lying nearest to the paper side plane constituting an inner plane, wherein the tension of the first threads extending transversely to the binder threads is such that the peak plane is nearer to the paper side plane than the inner plane thereby causing lateral deflections of at least one of the first threads.

Abstract: A sheet forming screen is described which is formed as a multi-layer fabric, wherein the fabric has a longitudinal thread repeat of sixteen longitudinal threads, four longitudinal threads (11 to 14) of which are formed as upper longitudinal threads, eight longitudinal threads (31 to 38) of which are formed as lower longitudinal threads, and the remaining four longitudinal threads (21 to 24) of which form two functional longitudinal thread pairs of two longitudinal threads each arranged next to each other which alternately complete the first weave, wherein at least one of the four longitudinal threads which form the two functional longitudinal thread pairs extends both in the upper fabric layer and in the lower fabric layer and thereby binds the lower fabric layer to the upper fabric layer.

Abstract: A structured fabric for use with a papermaking machine for the production of a fibrous web. The structured fabric includes a plurality of weft yarns and a plurality of warp yarns. The plurality of warp yarns interact with the weft yarns to produce a weave pattern. The plurality of warp yarns include a first set of warp yarns and a second set of warp yarns. The first set of warp yarns are woven as a plain weave. The second set of warp yarns form an impression layer. The first set of warp yarns are in a first plane, the second set of warp yarns have a surface in a second plane. The second plane is positioned farther from the machine facing side of the fabric than the first plan to form the impression layer. The first set of warp yarns have a first cross-sectional area and the second set of warp yarns have a second cross-sectional area. The first cross-sectional area is less than the second cross-sectional area.

Abstract: A permeable belt for use in a system for dewatering and/or drying a fibrous web. The permeable belt capable of being subjected to a tension of at least approximately 30 kN/m, the permeable belt having at least one side having an open area of at least approximately 25% and a contact area of at least approximately 10%.

Abstract: A joining process for an endless or seamed press fabric, the joining process including the step of providing a woven base fabric having a plurality of monofilament yarns including warp yarns extending in a machine direction and weft yarns extending in a cross machine direction, the woven base fabric being cut along one of the weft yarns and having two opposing ends and two side edges. A predetermined number of the weft yarns are removed along each of the two opposing ends to free a plurality of cut ends of the warp yarns, fringing the ends. The plurality of free cut ends of the two opposing ends are interdigitated with each other and the cut ends opposing and adjoining one another are heat bonded to define a joint area.

Abstract: A paper machine clothing (PMC) fabric including a plurality of monofilament yarns, at least some of the monofilament yarns having a composition which includes an additive for detecting a defect on the paper machine clothing fabric.

Abstract: A method to dewater a fibrous web includes directing the fibrous web through a first press zone defined between a revolving permeable belt and a revolving permeable support belt and having a first press zone length. The fibrous web is arranged lying between the revolving permeable belt and the revolving permeable support belt. A fluid is caused to flow through the permeable belt, the fibrous web and the support belt at least over a section of the first press zone length. The fibrous web is dewatered in a second press zone following the first press zone and defined between the revolving permeable belt and the revolving permeable support belt, the second press zone having a second press zone length. The fibrous web is led through the second press zone between the permeable belt and the support belt, the permeable belt and the support belt each having a different compressibility.

Abstract: Press felts for papermaking include a batt fiber layer and a base fabric. The batt fiber layer is integrated into the base fabric. The base fabric includes a ground warp yarn, a ground weft yarn, and an additional warp yarn. The ground warp yarn and the ground weft yarn include monofilament yarns, and the additional warp yarn includes a material different from a material forming the ground warp yarn. The additional warp yarn is arranged so that, when the base fabric is viewed in cross-section in a warp yarn direction, the additional warp yarn ascends toward a wet paper web-side surface of the base fabric and descends toward a roll-side surface of the base fabric, relative to the at least one ground warp yarn.

Abstract: A structure for use in industrial fabrics such as paper machine clothing and engineered fabrics is disclosed. The structure includes one or more layers of an elastic nonwoven extruded film or sheet, which is elastic, resilient, and compressible in a thickness direction, and extensible, bendable, and resilient in its length and transverse directions, and one or more layers of a plurality of substantially parallel machine direction (MD) yarns in various patterns. The structure can also include one or more layers of a plurality of substantially parallel cross-machine direction (CD) yarns attached on top of or under the MD yarns. The structure has a high degree of both compressibility under an applied normal load and excellent recovery (resiliency or spring back) upon removal of that load.

Abstract: Press felts for papermaking include a batt fiber layer and a base fabric. The batt fiber layer is integrated into the base fabric. The base fabric includes a ground warp yarn, a ground weft yarn, and an additional warp yarn. The ground warp yarn and the ground weft yarn include monofilament yarns, and the additional warp yarn includes a material different from a material forming the ground warp yarn. The additional warp yarn is arranged so that, when the base fabric is viewed in cross-section in a warp yarn direction, the additional warp yarn ascends toward a wet paper web-side surface of the base fabric and descends toward a roll-side surface of the base fabric, relative to the at least one ground warp yarn.

Abstract: A patterned framework for a papermaking belt is disclosed. The patterned framework has a continuous network region having a pattern formed comprising a plurality of tessellating unit cells and a plurality of discrete regions isolated from one another by the continuous network region. Each cell has a center and at least two continuous land areas extending in at least two directions from the center. At least one of the continuous land areas at least bifurcates to form a continuous land area portion having a first width before the bifurcation and at least two continuous land area portions having a second width after the bifurcation in continuous communication with the continuous land area portion. Removing and drying the embryonic web of paper fibers disposed upon the patterned framework provides a paper product having a residual water value, RW, of less than 0.12 g.

Abstract: A papermaking machine for the production of a fibrous web. The papermaking machine including a plurality of rollers and a structured fabric moving along the plurality of rollers. The structured fabric includes a plurality of weft yarns and a plurality of warp yarns woven with the plurality of weft yarns to produce a weave pattern. The plurality of warp yarns being a plurality of paired warp yarn sets. Each paired warp yarn set including a first warp yarn and a second warp yarn, within the weave pattern the first warp yarn forms a float over at least three weft yarns and weaves with a single weft yarn immediately adjacent to the float. The second warp yarn having a reverse pattern to the first warp yarn. The float of the first warp yarn having a start that is at the same position as a finish of the float of the second warp yarn.

Abstract: The invention relates to a transport or processing belt for a machine for the production or treatment of a fiber web, particularly a paper, cardboard or tissue machine, having a paper side and a conveying side and comprising a polymer coating and a textile load-bearing fabric, wherein the textile fabric has a first side facing the paper side and a second side facing the conveying side. The textile fabric is permeable with a permeability of at least 300 cfm, preferably of at least 500 cfm, and the polymer coating extends in one piece from the first side of the textile fabric though the openings of the textile fabric to the second side of the textile fabric.

Abstract: A combination of a press felt with a pressure and/or suction roll covering for a papermaking machine, including a porous press felt with a carrier structure. The pressure or suction roll covering having a circumferential groove surface structure having a groove width in the range of 0.5 mm to 1.5 mm, a distance between grooves in the range of 1.5 to 2.5 mm and a groove depth in the range of 1.5 mm to 4 mm. A percentage of an open surface relative to an overall surface of the pressure roll covering is in a range of 20% to 50%. The suction roll covering additionally having an arrangement of holes with a plurality of suction holes completely penetrating through the suction roll covering, whereby a percentage of an open surface in relation to an overall surface of the suction roll covering is in a range of 30% to 50%.

Abstract: A papermaking machine for the production of a fibrous web. The papermaking machine including a plurality of rollers and a structured fabric moving along the plurality of rollers. The structured fabric includes a plurality of weft yarns and a plurality of warp yarns woven with the plurality of weft yarns to produce a weave pattern. The plurality of warp yarns are a plurality of paired warp yarn sets, each paired warp yarn set including a first warp yarn and a second warp yarn. Within the weave pattern the first warp yarn weaves a plain weave while the second warp yarn floats over a first portion of the plurality of weft yarns. The second warp yarn weaving a plain weave while the first warp yarn floats over a second portion of the plurality of weft yarns in the weave pattern.

Abstract: The present invention relates to an industrial fabric, in particular press fabric or transfer belt, for use in a papermaking machine. The industrial fabric includes a porous composite structure, having a batt fiber structure and particulate polymeric material. The batt fiber structure has an upper surface and a lower surface extending parallel to the upper surface and spaced from the upper surface along a thickness direction extending perpendicular to the upper and lower surface. The particulate polymeric material is partly fused together and bonded with fibers extending on at least one of the surfaces of the batt fiber structure and with fibers inside the batt fiber structure such that the polymeric material partly impregnates fibers of the batt structure and partly fills interstices between fibers of the batt structure to form the porous composite structure.

Abstract: A joining process for an endless or seamed press fabric, the joining process including the step of providing a woven base fabric having a plurality of monofilament yarns including warp yarns extending in a machine direction and weft yarns extending in a cross machine direction, the woven base fabric being cut along one of the weft yarns and having two opposing ends and two side edges. A predetermined number of the weft yarns are removed along each of the two opposing ends to free a plurality of cut ends of the warp yarns, fringing the ends. The plurality of free cut ends of the two opposing ends are interdigitated with each other and the cut ends opposing and adjoining one another are heat bonded to define a joint area.

Abstract: A structured fabric for use in a papermaking machine for forming a web of fibrous material includes a repeating weave pattern that includes a plurality of warp yarns, warp knuckles, weft yams and weft knuckles that form two different types of pockets each of which include a plurality of margins and a bottom and is open on the web-facing side are formed between the knuckles, wherein the weft yarns have a first group, but not the second group, that form weft knuckles and the second group, but not the first group, form at least part of the bottom of the pockets formed.

Abstract: Provided is a belt for transferring a wet web, wherein any water mark does not appear on made paper even when a rate of feeding the belt for transferring a wet web by a roll is high. The roll side layer surface of the belt for transferring a wet web has the surface structure in which the percentage of a contact area with the roll per unit area is 10% to 75% and a surface roughness Ra is 50-150 ?m.

Abstract: The invention relates to a clothing especially a press felt for a paper, cardboard or tissue machine with a nonwoven structure comprising staple fibers and which provides the paper and running side of the clothing and with a base structure which is embedded into the nonwoven structure, whereby the base structure comprises a warp knit structure which has sewing threads and reinforcing threads extending lengthways parallel to each other and which have a greater flexural strength than the sewing threads, whereby the sewing threads form loops into which the reinforcing threads are tied thereby forming the warp knit structure. The invention is characterized in that an intermediate layer is arranged at the warp knit structure which is connected with the reinforcing threads by way of the sewing threads.

Abstract: An industrial fabric, belt or sleeve and a method of making the fabric, belt or sleeve are disclosed. The industrial fabric, belt or sleeve is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, and joining the adjoining sides of the strips of material using ultrasonic welding or laser welding techniques. The fabric, belt or sleeve may then be perforated using a suitable technique to make it permeable to air and/or water.

Abstract: A press felt (1) has a front side (1a), a rear side (1b) and fibers (2, 2a, 2b, 2c, 2d, 2e, 2f, 2g) which, on their fiber surface, have channels (20) which extend between a first end (11) and a second end (12) of the respective fiber (2, 2a, 2b, 2c, 2d, 2e, 2f, 2g), the first end (11) pointing in the direction of the front side (1a) and the second end (12) pointing in the direction of the rear side (1b). Furthermore, the press felt (1) can be used for mechanically dewatering a paper web (100) in a papermaking machine.

Abstract: An industrial fabric, belt or sleeve and a method of making the fabric, belt or sleeve are disclosed. The industrial fabric, belt or sleeve is produced by spirally winding strips of polymeric material, such as an industrial strapping or ribbon material, and joining the adjoining sides of the strips of material using ultrasonic welding or laser welding techniques. The fabric, belt or sleeve may then be perforated using a suitable technique to make it permeable to air and/or water.