Refiner for grinding of fibrous material

Details Refiner for grinding of fibrous material Refiner for grinding of fibrous material

1976-06-08

1977-12-06

Custer, Jr., Granville Y.

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

241197, 241296, B02C 712

Patent

active

040612830

ABSTRACT:
The teeth of the stator and rotor of the refiner are each formed with a surface layer on the leading flanks which is harder than the end faces so as to maintain a sharp cutting edge. The hardness of the surface layer is at least 600 HB while the end face is of a hardness of from 280 to 320 HB.

REFERENCES:
patent: 3160355 (1964-12-01), Chiaverina
patent: 3462089 (1969-08-01), Whitlow
patent: 3561686 (1971-02-01), Hedrick

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