Refining element

Details Refining element Refining element

2007-04-03

2007-04-03

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Apparatus

Cooperating comminuting surfaces

C241S298000

Reexamination Certificate

active

10555195

ABSTRACT:
Refining elements for use with disc refiners for the processing of fibrous materials are disclosed. The refining element include a refining surface having a plurality of bars and intermediate grooves, with the bars having an upper surface and a pair of side surfaces defining longitudinal edges, with the plurality of bars including a plurality of recesses disposed along at least one of the longitudinal edges, the recesses including open portions in both the upper surface and one of the side surfaces thereof.

REFERENCES:
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patent: 5165592 (1992-11-01), Wasikowski
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patent: 5690286 (1997-11-01), Dodd et al.
patent: 6592062 (2003-07-01), Virving
patent: 53469 (1978-01-01), None
patent: 513 807 (2000-11-01), None
patent: WO00/56459 (2000-09-01), None

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