Refiner and agitating apparatus for papermaking

Details Refiner and agitating apparatus for papermaking Refiner and agitating apparatus for papermaking

2005-11-29

2005-11-29

Rosenbaum, Mark (Department: 1731)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S261200

Reexamination Certificate

active

06969019

ABSTRACT:
A refiner for separating and beating a material includes a conical type stationary shell including a first beating section; a ring-shaped stationary disc provided on an outer edge of the conical type stationary shell and including a second beating section; a rotational shaft; a conical type rotor attached to and supported by the rotational shaft including a third beating section facing the first beating section to create a gap between the first beating section and the third beating section for the material to pass through; and a ring-shaped rotor disc provided on an outer edge of the conical type rotor and including a fourth beating section facing the second beating section to create a gap between the second beating section and the fourth beating section for the material to pass through.

REFERENCES:
patent: 5042726 (1991-08-01), Reinhall
patent: 5200038 (1993-04-01), Brown
patent: 1 070 543 (2001-01-01), None
patent: 737051 (1955-09-01), None
patent: 2 083 375 (1982-03-01), None

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