D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
92/7
D21F 1/00 (2006.01) D21F 1/20 (2006.01) D21F 1/38 (2006.01) D21F 1/48 (2006.01)
Patent
CA 1221260
ABSTRACT OF THE DISCLOSURE The present invention discloses forming board elements for paper-making machines. The elements are provided with notches on their leading edges for generating longi- tudinal waves on the forming fabric. These waves induce transversal shear forces within the stock to break up fiber flocs which form within or downstream from the headbox.
442329
Albany International Corp.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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