D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/08 (2006.01) D21F 1/10 (2006.01) D21F 1/12 (2006.01) D21F 3/02 (2006.01) D21F 7/10 (2006.01)
Patent
CA 2760536
A press felt with seams comprises at least a base structure having a first and a second transverse jointing edges and at least one batt fiber layer. The base structure, formed of longitudinal and transverse yarns, has a first surface on a fiber-web side and an opposite second surface. The first and second transverse jointing edges have seam loops formed by the longitudinal yarns for interconnecting the edges. The batt fiber layer is attached to at least the first surface to form a web-side surface of the press felt. At least the web-side surface is impregnated with a dispersion of one or more polymer materials and water for compacting the structure of the press felt and for additionally attaching the batt fiber layer. The structure of the press felt is porous for receiving water and has an air permeability of at least 2 m3/m2min, 100 Pa.
Kirby Eades Gale Baker
Metso Fabrics Oy
LandOfFree
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