There is provided a papermaking felt comprising at least one base fabric and at least one batt layer integrated with the base fabric, The base fabric comprises a first base fabric, a second base fabric, and a third base fabric, the first base fabric, the second base fabric, and the third base fabric are laminated together in an arbitrary order, the first base fabric is a base fabric formed by spirally winding, in a right-handed manner, a band-shaped body having a width smaller than a width of the papermaking felt, the second base fabric is a base fabric formed by spirally winding, in a left-handed manner, a band-shaped body having a width smaller than the width of the papermaking felt, and the third base fabric is a base fabric having at least a plurality of ground warp yarns parallel to an machine direction of the papermaking felt.

A clothing for a machine for producing a fibrous web, in particular a paper, board or tissue web, includes a first layer of first strips which are oriented parallel to one another, and a second layer of second strips which are oriented parallel to one another. The second layer is disposed on the first layer and is connected to the first layer. The adjacent first strips are spaced apart from one another and the adjacent second strips are also spaced apart from one another, so that a composite including the first layer and the second layer has a plurality of through openings for dewatering the fibrous web. A production method for producing a clothing of this type is also provided.

[Problem to be solved] To provide a papermaking felt excellent in smoothness of a joined portion (no welded portion mark or base fabric mark is generated), and an efficient manufacturing method thereof.

[Solving means] A papermaking felt wherein, in at least one base fabric composed of a MD yarn material in the felt running direction (MD direction) and a CD yarn material in the felt crossing direction (CD direction) and having MD-direction end regions and CD-direction end regions, at least one of the MD-direction end regions and the CD-direction end regions are overlapped with each other, wherein said overlapped portion is welded without removing a part or all of the MD yarn material or the CD yarn material in said overlapped portion, and wherein, when the average thickness of the welded portion of each base fabric is x (mm) and the average thickness of each base fabric before welding is y (mm), the relationship between x and y of the at least one base fabric satisfies the following formula (1):

0.5≤x/y≤0.95   (1)

A method for producing a base structure of a clothing for use in a machine producing and/or processing a fiber web. The clothing base structure is a laminate formed of at least two layers and the layers are formed substantially from polymer material. The method includes the following steps: locally melting the polymer material of the two layers by the action of radiation from a radiation source and pressing the polymer material of the two layers onto each other. The polymer material of the two layers is thereby guided into a press nip formed by two press rolls, forming an inlet gap, and the radiation is directed into the inlet gap.

A papermaking felt includes at least one base fabric composed of a MD yam material in the felt running direction (MD) and a CD yarn material in the felt crossing direction (CD) and having MD end regions and CD end regions, at least one of the MD end regions and the CD end regions are overlapped with each other, the entire overlapped portion is welded without removing a part or all of the MD yarn material or the CD yarn material in the overlapped portion, and when the average thickness of the welded portion of each base fabric is x (mm) and the average thickness of the material portion of each base fabric is y (mm), the relationship between x and y of the at least one base fabric satisfies the following formula (1):
0.5?x/y?0.95.

A clothing for a machine producing and/or processing a fibrous web extending in longitudinal and widthwise directions, includes a basic structure providing dimensional stability in longitudinal and/or widthwise directions. The structure includes a band-shaped, one-piece grid having widthwise-adjacent first material strands and polymer material having lengths in a longitudinal direction, and adjacent second interconnected material strands and/or droplets and polymer material, contacting the first strands at contact points forming the grid. The strands and/or droplets are deposited by extrusion of the polymer materials in liquid or pasty state onto a depositing surface forming a portion or all of the grid in liquid or pasty state, the polymer materials are solidified, converting the portion or the grid from liquid or pasty to solidified, stable, self-supporting state producing bonding at the contact points, and removing the portion or the grid from the surface.

There is provided a papermaking felt comprising at least one base fabric and at least one batt layer integrated with the base fabric. The base fabric comprises a first base fabric, a second base fabric, and a third base fabric, the first base fabric, the second base fabric, and the third base fabric are laminated together in an arbitrary order, the first base fabric is a base fabric formed by spirally winding, in a right-handed manner, a band-shaped body having a width smaller than a width of the papermaking felt, the second base fabric is a base fabric formed by spirally winding, in a left-handed manner, a band-shaped body having a width smaller than the width of the papermaking felt, and the third base fabric is a base fabric having at least a plurality of ground warp yarns parallel to an machine direction of the papermaking felt.

There is provided a papermaking felt comprising a base fabric layer and at least one batt layer integrated with the base fabric layer, wherein the base fabric comprises at least one layer formed by spirally winding a band-shaped body having a width smaller than a width of the papermaking felt and having a plurality of ground warp yarns, a plurality of ground weft yarns, a first side edge, and a second side edge in such a manner that the first side edge and the second side edge are adjacent and thereby joining the side edges together; and a plurality of marks is arranged at regular intervals in a warp direction of the band-shaped body.

There is provided a papermaking felt including: a base fabric layer including at least two layers of a first base fabric layer and a second base fabric layer, each of which is formed by spirally winding a band-shaped body. The first base fabric layer and the second base fabric layer are laminated together such that a direction of spiral winding of the first base fabric layer and a direction of spiral winding of the second base fabric layer are different; A magnitude of a displacement with respect to a cross-machine direction between two intersection points formed by a straight line that passes through intersection points of the side edges of the respective band-shaped bodies of the first base fabric layer and the second base fabric layer and has a minimum angle to the cross-machine direction and both ends of the papermaking felt is 2 cm or more.

A clothing, in particular for use in a press section of a machine for manufacturing a fibrous web, such as a paper, cardboard, or tissue web, includes a base structure and at least one staple-fiber layer which is disposed on the base structure and is connected thereto. The clothing is assembled from a plurality of strips which are provided in the form of planar formations having a proportion of the base structure and a proportion of the at least one staple-fiber layer. Two mutually opposite edges of the strips have seam loops which are each connected to seam loops of the edges of adjacent strips. The edges having the seam loops are oriented in a cross-machine direction of the clothing. A method for manufacturing a clothing is also provided.