D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
D21D 1/00 (2006.01) B02C 7/12 (2006.01) D21D 1/30 (2006.01)
Patent
CA 2105800
A refiner segment for disc refiners for disintegration of lignocellulose-containing material, where the refiner segment (1) is formed with a pattern of bars (2) and grooves (3), and where dams (4) are placed in the grooves. The dams (4) are so arranged that their angle in relation to the radius of the refiner segment (1) is smaller than 30°.
Fetherstonhaugh & Co.
Sunds Defibrator Industries Aktiebolag
Valmet Fibertech Aktiebolag
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