Grinding rollers for a vertical crusher

Details Grinding rollers for a vertical crusher Grinding rollers for a vertical crusher

2004-12-20

2008-10-21

Rosenbaum, Mark (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting elements

C241S117000, C241S294000

Reexamination Certificate

active

07438247

ABSTRACT:
The invention relates to a composite milling roller, produced by casting, comprising peripheral inserts of a high wear-resistance and high hardness material, sealed in a ductile material on said casting. The roller comprises first zones subject to high wear and second zones subject to low wear, characterised in that said first zone of said roller comprises inserts on the peripheral face thereof with adjoining parts and, in said second zone, a non-adjoining part. The gap between the non-adjoining parts is filled with said ductile material of the cast matrix permitting an adequate mechanical anchoring of the inserts.

REFERENCES:
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patent: 5328776 (1994-07-01), Garber et al.
patent: 6399176 (2002-06-01), Francois
patent: 44 00 797 (1995-07-01), None
patent: 0 476 496 (1995-01-01), None
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patent: 2001 129418 (2001-05-01), None
International Preliminary Report on Patentability (translation), International Application No. PCT/BE2004/000179, date of actual completion of the corresponding international search Apr. 11, 2005, date of actual mailing of the corresponding international search report Apr. 21, 2005, 4 pages, European Patent Office.

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