| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for producing a fluid-pervious fabric for imparting a pattern to the fiber web, by which the fiber web having an excellent quality can be produced in excellent operability. SOLUTION: This fabric comprises at least one polymer material having a softening temperature, and a fabric structure 306. The fabric 301' is heated at a higher temperature than the softening temperature, and a secondary molding pressure Δp3 is applied between the first surface 304 and the second surface 305 of the fabric. Fabric-patterning portions 309, 309' contribute to the deformation of the fabric structure 306 in the direction Z in a deforming region 311, while the fluid pervious property in the deformation region is substantially not changed. The fabric 301 is cooled at a lower temperature than the softening temperature to permanently give the deformation. The method further relates to a fluid-pervious fabric such as a wire or a felt, and to a patterned fiber web such as a paper web, a non-woven web or other fiber web. |
