Refining apparatus of disc-type

Details Refining apparatus of disc-type Refining apparatus of disc-type

2011-04-12

2011-04-12

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

Reexamination Certificate

active

07922111

ABSTRACT:
A disc refiner is disclosed, including a shaft, a rotatable disc and a stationary disc, both with refiner elements. Between the stationary refiner elements and the stationary disc, axially deformable chambers are arranged, filled with an incompressible hydraulic medium, whereby the stationary refiner elements can move angularly in order to adjust themselves tangentially in parallel to the refiner elements of the rotatable disc, and the incompressibility of the hydraulic medium prevents stationary refiner elements from moving axially and impairing the axial stiffness.

REFERENCES:
patent: 4039152 (1977-08-01), Peterson
patent: 4039153 (1977-08-01), Hoffman
patent: 4378092 (1983-03-01), Reinhall
patent: 4627578 (1986-12-01), Whyte
patent: 5067660 (1991-11-01), Reinhall
patent: 5323972 (1994-06-01), Kjellqvist
patent: 2 116 146 (1972-10-01), None

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