D - Textiles – Paper – 21 – D
Patent
D - Textiles, Paper
21
D
241/118
D21D 1/22 (2006.01)
Patent
CA 2033073
Abstract of the Disclosure: Grinding equipment for a Jordan refiner for grinding paper pulp having a rotating part in form of a truncated cone and a stationary part in the form of a hollow truncated cone, on which bar-shaped knives are arranged at predetermined angles with respect to the conical shell generating lines. To improve the grinding equipment of the refiner, a pre-grinding zone is arranged upstream of one or more fine grinding zones whose configuration and arrangement are adapted to the state and desired development of the fibers in the grinding stock flowing through the grinding equipment. (Fig. 1)
Bematec S.a.
Bereskin & Parr
LandOfFree
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