Refining element

Details Refining element Refining element

2003-12-11

2008-11-18

Miller, Bena (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S261300

Reexamination Certificate

active

07451946

ABSTRACT:
Refining elements for use in a refining apparatus for refining lignocellulosic fibrous material between a pair of refining members are disclosed. The refining element is adapted to be mounted on the inwardly facing conical surface of an outer stationary refining member and includes a plurality of bars and intermediate grooves in which the bars extend along the refining gap and include a pair of side walls and an upper surface forming an acute angle with a least one of the pair of side walls.

REFERENCES:
patent: 4090672 (1978-05-01), Ahrel
patent: 4283016 (1981-08-01), Reinhall
patent: 5042726 (1991-08-01), Reinhall
patent: 5704559 (1998-01-01), Froberg et al.
patent: 441 649 (1985-10-01), None

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