Grinding balls and their manufacturing method

Details Grinding balls and their manufacturing method Grinding balls and their manufacturing method

2005-02-07

2009-02-10

Francis, Faye (Department: 3725)

Solid material comminution or disintegration

Processes

Miscellaneous

C241S184000

Reexamination Certificate

active

07487928

ABSTRACT:
The present invention relates to grinding balls made of fritted ceramic comprising a compound of alumina silicate (αAl2O3.βSiO2) and in particular mullite (3Al2O3.2SiO2), zirconia (ZrO2) and alumina (Al2O3).

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International Preliminary Report on Patentability (translation), International Application No. PCT/BE2005/000016, date of actual completion of the corresponding international search May 2, 2005, date of actual mailing of the corresponding international search report May 12, 2005, 4 pages, European Patent Office.
International Search Report, International Application No. PCT/BE2005/000016, date of actual completion of the international search May 2, 2005, date of actual mailing of the international search report Dec. 5, 2005, 3 pages.

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