Solid material comminution or disintegration – Apparatus – Comminuting elements
Reexamination Certificate
2006-02-21
2006-02-21
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Apparatus
Comminuting elements
C241S280000, C241S300000
Reexamination Certificate
active
07000859
ABSTRACT:
The invention relates to a grinding element, which comprises a substantially planar fastening frame, and where two or more grinding segments made of grinding ceramic material are fastened to the outer surface of the frame by means of bonding agent. The fastening frame preferably comprises at least one fastening hole, and a fastening bolt is supplied through the hole to fasten the grinding element to the frame of the grinder stone. The invention further relates to a grinder stone, where a grinding surface is formed by arranging a required number of grinding elements according to the invention on the outer circumference of the stone's frame.
REFERENCES:
patent: 34 13 890 (1984-10-01), None
patent: 43 04 128 (1993-08-01), None
Alston & Bird LLP
Metso Paper Inc.
Rosenbaum Mark
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