Textured surface of a tissue forming fabric to generate...

Paper making and fiber liberation – Apparatus – Running or indefinite length product forming and/or treating...

Reexamination Certificate

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C162S117000, C162S903000, C139S3830AA, C139S42500R

Reexamination Certificate



A multi-layer tissue forming fabric constructed so that the top forming surface has topographical differences measured as a plane difference between at least two top weft yarns. The plane difference—the difference in height between the two weft yarns—must be greater than zero. Using at least two different diameter, size, or shape weft yarns positioned at the same contour in the forming surface creates this plane difference and defines pocket areas in the forming surface of the tissue forming fabric. The pocket areas act to generate bulk, cross directional tensile, absorbency, and softness in a formed sheet of tissue, napkin, or towel paper.

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patent: WO 03/035977 (2003-05-01), None


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