Patent ID: 7727360

Claim:
Single or multilayered forming sieve for the wet end-section of a paper machine with upper machine-direction, MD, and cross-machine-direction, CMD, threads facing the paper side, and lower MD and CMD threads facing the machine, characterized in that: at least the paper-side thread floats and knuckles ( 10 ) are reshaped by means of one or a combination of temperature, pressure and/or moisture; wherein one, or a combination of more than one, of: the thread inflection shape, the width of the thread floats and knuckles ( 10 ), the height of the thread floats and knuckles ( 10 ), the degree of ellipticity of the threads ( 13 ), the total contact area of the sieve and the void size lying between the threads ( 13 ) varies across each point of the sieve's width.