Voith Patent Gmbh

Voith Fabrics Patent Gmbh

Voith Paper Patent Gmbh

Voith Paper Gmbh

Arved H Westerkamp

Hubert Walkenhaus

Robert Eberhardt

Robert L Crook

Johann Boeck

Joachim Hinz

Matthias Schmitt

Benjamin Holstein

Antony Morton

John Jeffery

Petra Hack-Ueberall

Stewart Lister Hay

Daniel Gronych

Georg Kleiser

David Stuart Ponton

Peter Eyerer

Klaus Hermann

Justin Alan Payne

Jörg Rheims

John Jeffrey

Robert Koplin

Christian Naydowski

Martin Staiger

Robert Hilbing

Benno Bader

Heimo Rud

Michael Kespe

Rainer Schmachtel

The present invention relates to a paper machine fabric, especially a forming fabric, including a top woven fabric layer and a bottom woven fabric layer which are connected with each other by paired binder yarns. The present invention is characterized in that at least one of the binder yarn pairs is formed by machine direction yarns (binding machine direction yarns) and at least one of the other binder yarn pairs is formed by cross machine direction yarns (binding cross machine direction yarns).

Forming fabric

Paper machine clothing that includes interwoven warp threads and weft threads forming a weaving pattern composed of repeat units having at least 26 warp threads. The weaving pattern, one of on its own or in combination, is formed by at least one of: at least one basic textile weave, at least one derivative of a basic textile weave, and at least one extension of a basic textile weave.

Paper machine clothing

Paper machine clothing, such as a forming fabric formed by a large number of repeating units, wherein each repeat unit includes a paper-side woven structure having paper-side warp and weft threads and a machine-side woven structure having machine-side warp and weft threads, such that the paper side and the machine side woven structures are connected to each other by binding threads, and each repeat unit being formed by at least 26 warp threads and the paper machine clothing having a total thickness of 0.78 mm and less.

Papermachine clothing

The invention relates to a press fabric, especially a press felt, for a machine for the production of a fibrous web, especially paper or cardboard, which is fluid permeable and which includes an elastomer polymeric material. The invention is characterized in that the total weight component of the elastomer polymeric material contained in the press fabric is more than 50%, preferably more than 60% of the total weight of the press fabric.

Press fabric for a machine for the production of web material

A press fabric for a machine for the production of web material, especially paper or cardboard, including a carrying structure and a plurality of layers on one web material contact side of the carrying structure, whereby polymeric material is contained in at least one of the layers of fibrous material.

Composite press fabric

A press fabric for a machine for the production of web material, especially paper or cardboard, includes a carrying structure and at least one layer of fibrous material on one web material contact side of the carrying structure, whereby at least some of the fibers of the at least one layer of fibrous material are coated at least partially with a film of a first polymeric material and whereby a permeable composite structure is formed by a second polymeric material in the at least one fibrous layer, in that the hollow spaces which are formed between fibers of the at least one fibrous layer are filled partially with the second polymeric material.

Press fabric for a machine for the production of web material and method to produce said press fabric

A covering for a machine for treating a material web, in particular a fibrous web, has a multilayer construction with at least two layers formed respectively by at least one polyurethane film, between which there lies a layer made of a reinforcement fabric whose mesh widths are selected such that the two adjacent layers of polyurethane film touch each other in the meshes. This covering can be used advantageously in particular as a transfer belt or a dryer fabric.

Paper machine covering

A method for producing a topographical pattern on or in a papermachine fabric. The method for creating the pattern on or in an fabric, includes producing a topographical polymer pattern on or in a papermachine fabric using a rotary screen. The instant abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.

Method for producing topographical pattern on papermachine fabric by rotary screen printing of polymeric material

A transport belt, in particular for machines for the production of web material such as paper or paperboard, having a printed material at least in some regions on a web material contact side.

Transport belt

This invention relates to a machine for the production of a paper web, paperboard web or tissue web, having a roller with a circumferential surface and having an endless belt, in particular a transfer belt, which is wrapped around the circumferential surface of the roller in sections and has a bottom side which in the wrap zone can be brought into contact with the circumferential surface, as the result of which the endless belt and/or the roller provide a storage capacity suitable for accommodating at least in part the fluid which gets into the wrap zone between the bottom side and the circumferential surface.

Transfer belt

This invention relates to a belt for transferring an in-production fibrous web, in particular a paper web or paperboard web, in a machine area of a machine producing the fibrous web, in particular a paper machine or paperboard machine, including at least one textile substrate and a coating, which is applied to the substrate and touches the in-production fibrous web, for obtaining a partial or complete impermeability of the belt. The inventive belt has at least one continuously differencing characteristic in at least one region across its overall width. Also, this invention relates to a machine, in particular a paper machine or paperboard machine, for producing a fibrous web, in particular a paper web or paperboard web, as well as to a use of a belt for transferring an in-production fibrous web, in particular a paper web or paperboard web, in one machine area or between two machine areas of a machine producing the fibrous web, in particular a paper machine or paperboard machine.

Belt for transferring an in-production fibrous web

The invention relates to a papermachine fabric for dewatering and drying a fibrous web in a machine producing a fibrous web, including a plurality of layers with at least one carrier structure and a fiber batt having at least one fiber non-woven. The papermachine fabric according to the invention includes a fiber batt provided with a coating on at least one side.

Papermachine fabric

A covering for a machine for the production of a fibrous web has, at least in some sections, a two-dimensional structure which is formed by a multiplicity of polymer-based regions which differ from each other at least in part by virtue of a different fraction of filler material and/or by virtue of a different type of filler material.

A woven belt for a machine for producing web material, in particular forming mesh, including at least two woven layers with warp threads extending in a belt longitudinal direction and weft threads extending in a belt transverse direction, wherein a first of the woven layers provides a web material contact side and a second of the woven layers provides a machine contact side and the woven layers are joined together by tie warp threads, wherein the first woven layer is woven with at least 26 different warp runs, the structure-forming warp threads woven into the first woven layer and the weft threads of the first woven layer having a maximum floating length of 3 in relation to each other, wherein, when the tie warp threads for providing structure-forming tie thread pairs are arranged in pairs relative to each other so that where a tie warp thread of a respective structure-forming tie warp thread pair is integrated into the first woven layer then the other tie warp thread of this structure-forming tie warp thread pair is integrated into another woven layer, then changeover points at which the tie warp threads of the structure-forming tie warp thread pairs cross each other for switching between the first woven layer and the other woven layer are distributed irregularly within a warp/weft repeat, or wherein, when the tie warp threads are integrated into the first woven layer with no structure-forming effect and tie onto tie-on points over weft threads of the first woven layer, then the tie-on points within a warp/weft repeat are distributed irregularly.

Woven belt for a machine for producing web material and method for manufacturing such a woven belt

A paper making composite forming fabric including paper side weft and warp yarns and wear side warp yarns and bindery yarns. The paper side wefts and the binder yarns being interwoven with the paper side warp yarns. The binder yarns being interwoven with the wear side warps. A total number of paper side and wear side warp yarns per weave repeat is greater than 24. An internal binder float length is between 2 and 4. The fabric has an interchange points percentage value of less than 20 and a binder interchange points as a percentage of total machine direction yarns value of less than 10.

Growing community of inventors

Dettingen/Erms, Germany

Arved H Westerkamp