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1. (WO2011012701) FORMING FABRIC FOR THE PRODUCTION OF A FIBROUS WEB MATERIAL

Pub. No.:    WO/2011/012701    International Application No.:    PCT/EP2010/061121
Publication Date: Fri Feb 04 00:59:59 CET 2011 International Filing Date: Sat Jul 31 01:59:59 CEST 2010
IPC: D21F 1/00
Applicants: VOITH PATENT GMBH
QUIGLEY, Scott
UYMUR, Ipek
Inventors: QUIGLEY, Scott
UYMUR, Ipek
Title: FORMING FABRIC FOR THE PRODUCTION OF A FIBROUS WEB MATERIAL
Abstract:
This invention relates to a forming fabric (100; 200; 300) for the forming of a fibrous web thereon, the forming fabric (100, 200; 300) comprising: a plurality of cross machine direction (CD) yarns (1-32; 1-24 ) including a set of top CD yarns (1, 5, 9, 13, 17, 21, 25, 29; 1, 3, 7, 9, 13, 15, 19, 21) a set of bottom CD yarns (2, 6, 10, 14, 18, 22, 26, 30; 2, 4, 8, 10, 14, 16, 20, 22 ) and a set of binder CD yarns (3, 4, 7, 8, 11, 12, 15, 16, 19, 20, 23, 24, 27, 28, 31, 32, -5, 6, 11, 12, 17, 23, 24) and a plurality of machine direction (MD) yarns (1-20) including a set of top MD yarns (1, 3, 5, 6, 8, 10, 11, 13, 15, 16, 18, 20) and a set of bottom. MD yarns (2,4,7,9, 12, 14,17, 19)said top MD yarns (1, 3, 5, 6, 8, 10, 11, 13, 15, 16, 18, 20) being on a paper side of the forming fabric (100; 200; 300) said bottom MD yarns (2, 4, 7, 9, 12, 14, 17, 19) being on a wear side of the forming fabric (100, 200; 300) a repeating pattern of said CD yarns (1-32; 1-24) and said MD yarns (1-20), said pattern including an arrangement of said bottom CD yarns (2, 6, 10, 14, 18, 22, 26, 30; 1, 3, 7, 9, 13, 15, 19, 21) each floating under only six adjacent bottom MD yarns (7, 9, 12, 14, 17, 19; 14, 17, 19, 2, 4, 7; 2, 4, 7, 9, 12, 14; 9, 12, 14, 17, 19, 2; 17, 19, 2, 4, 7, 9; 4, 7, 9, 12, 14, 17; 12, 14, 17, 19, 2, 4; 19, 2, 4, 7, 9, 12) and then between some of said top MD yarns and only two adjacent bottom MD yarns (2, 4; 9, 12; 17, 19, 4, 7; 12, 14; 19, 2; 7, 9; 14,17).