Solid material comminution or disintegration – Apparatus – With comminuting member cleaner or scraper
Reexamination Certificate
2005-10-25
2005-10-25
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
With comminuting member cleaner or scraper
C241S261200, C241S298000
Reexamination Certificate
active
06957785
ABSTRACT:
Apparatus for use as a portion of a refining surface of a rotatable refining disk is disclosed. The apparatus includes a refining segment having a periphery and being mountable on a rotatable refining disk in juxtaposition with an opposing refiner disk for treating lignocellulosic material in the gap between the disks, and at least one cleaner protruding from the periphery of the refining segment between that periphery and the refiner housing surrounding the refiner whereby lignocellulosic material is cleared from the outer periphery of the refining disk upon its rotation.
REFERENCES:
patent: 2145851 (1939-02-01), Asplund
patent: 4878997 (1989-11-01), Reinhall
patent: 5200038 (1993-04-01), Brown
patent: 5725306 (1998-03-01), Kappel et al.
Lerner David Littenberg Krumholz & Mentlik LLP
Rosenbaum Mark
Valmet Fibertech AB
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