D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
92/41
D21D 1/00 (2006.01) D21D 1/30 (2006.01)
Patent
CA 1191043
ABSTRACT A refiner disc segment for disc refiners is provided on the surface with refining members in the form of bars and intermediate grooves. The relation between the width (B) of the bars, the width (S) of the grooves and the depth (D) of the grooves, measured in mm, should be such as to meet the conditions expressed by the following formula: Image .
420767
Hoglund Hans E.
Johansson Alf O.k.
Peterson Per V.
Fetherstonhaugh & Co.
Sca Development Aktiebolag
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