A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction MD yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction CMD yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.

An industrial two-layer fabric includes an upper surface side fabric constituted by upper surface side warps and upper surface side wefts, one a lower surface side fabric constituted by lower surface side warps and lower surface side wefts, the upper surface side warps include a warp binding yarn, wherein two adjacent upper surface side warps that includes a upper surface side warp that weaves only the upper surface side wefts and the warp binding yarn form a pair, the warp binding yarn of the pair passes below three of the adjacent upper surface side wefts where the warp binding yarn passes below the one of the lower surface side wefts, a ratio of the number of the upper surface side warps to the number of the lower surface side is 2:1.

A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction MD yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction CMD yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.

A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction (MD) yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction (CMD) yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.

A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction (MD) yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction (CMD) yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.

The object of the present invention is to provide a fabric with a thinned thickness which exhibits excellent rigidity, good anti-extension property, good wear resistance, good hydration property and good surface smoothness property.

The present invention includes one upper surface side fabric constituted by warps on the surface side and upper surface side wefts, one lower surface side fabric constituted by lower surface side warps and lower surface side wefts, at least one warps on the surface side function as a warp binding yarn, two warps on the upper surface side are woven to form a pair on the upper surface side as the ribbed cord fabric, a ratio of the number of the warps on the upper surface side to that of the warps on the lower surface side is 2:1.

A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction MD yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction CMD yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.

A paper including one or more multi-tonal watermarks having full tonality (depth), and an improved watermarking tool for manufacturing such paper, is provided. The improved watermarking tool is selected from the group of: (a) an assembly that is made up of an electrotype element representing a halftone image of a watermark, and a wire-mesh for use in the manufacture of watermarked paper, wherein the electrotype element is affixed to the wire-mesh, and wherein the electrotype element and the wire-mesh are pressed or embossed, either separately or together in register, with the image of the watermark represented by the electrotype element; and (b) an enhanced wire-mesh made up of woven wires which may be arranged in a regular or substantially regular grid, wherein areas of the grid are filled with a polymeric material which forms regions of blocked drainage, wherein the wire-mesh including open areas as well as those areas filled with the polymeric material are pressed or embossed either separately or together with an image of a watermark.

A papermaker's fabric includes a series of repeat units, wherein each of the repeat units includes: a set of top machine direction (MD) yarns having a first diameter; a set of bottom MD yarns having a second diameter larger than the first diameter; a set of auxiliary bottom MD yarns having the first diameter; a set of top cross machine direction (CMD) yarns interwoven with the top MD yarns to form a top fabric layer; a set of bottom CMD yarns interwoven with the bottom MD yarns and the auxiliary bottom MD yarns to form a bottom fabric layer; and a set of stitching yarns arranged in pairs, wherein at least one of the stitching yarns of the pair interweaves with the top and bottom fabric layers.

A paper including one or more multi-tonal watermarks having full tonality (depth), and an improved watermarking tool for manufacturing such paper, is provided. The improved watermarking tool is selected from the group of: (a) an assembly that is made up of an electrotype element representing a halftone image of a watermark, and a wire-mesh for use in the manufacture of watermarked paper, wherein the electrotype element is affixed to the wire-mesh, and wherein the electrotype element and the wire-mesh are pressed or embossed, either separately or together in register, with the image of the watermark represented by the electrotype element; and (b) an enhanced wire-mesh made up of woven wires which may be arranged in a regular or substantially regular grid, wherein areas of the grid are filled with a polymeric material which forms regions of blocked drainage, wherein the wire-mesh including open areas as well as those areas filled with the polymeric material are pressed or embossed either separately or together with an image of a watermark.