US Patent 12065784 Composite laminated papermaking fabrics and methods of making the same

A structured tissue belt assembly including a supporting layer and a nonwoven web contacting layer. The supporting layer has a top surface and a bottom surface and is formed of monofilaments including one or more layers of warp yarns interwoven with weft yarns in a repeating pattern. At least one of: a) at least some of the warp yarns; or b) at least some of the weft yarns, include laser energy absorbent material, and at least one of: a) at least some of the warp yarns; or b) at least some of the weft yarns include laser energy scattering material. Laser welds attach the bottom surface of the web contacting layer to the top surface of the supporting layer at points where the web contacting layer contacts the at least one of: a) the at least some of the warp yarns; or b) the at least some of the weft yarns that include laser energy absorbent material.