Solid material comminution or disintegration – Processes – With application of fluid or lubricant material
Reexamination Certificate
2007-06-12
2007-06-12
Rosenbaum, Mark (Department: 3725)
Solid material comminution or disintegration
Processes
With application of fluid or lubricant material
C241S030000, C241S171000, C241S172000
Reexamination Certificate
active
11023610
ABSTRACT:
Disclosed herein is a method of deagglomerating ceramic powder to inhibit agglomeration and provide a uniform particle size, a deagglomeration mill used for the above method, and a method of preparing uniformly mixed ceramic slurry using the deagglomerated ceramic powder. The deagglomeration method of the ceramic powder includes loading a mixture of ceramic powder and solvent into the deagglomeration mill which includes a hollow cylindrical mill cover having a diameter larger than a length and having a plurality of beads therein; rotating an impeller of a main shaft disposed longitudinally at an internal center portion of the mill cover at a peripheral velocity of 6–10 m/s, using a driving means; deagglomerating the ceramic powder by the action of beads which are moved by a rotational force of the impeller; and discharging the mixture of ceramic powder and solvent from the deagglomeration mill.
REFERENCES:
patent: 4967968 (1990-11-01), Vitelli
patent: 5678776 (1997-10-01), Zoz
patent: 09-253517 (1997-09-01), None
patent: 1990-0007478 (1990-06-01), None
patent: 2001-0101660 (2001-11-01), None
Choi Youn Kyu
Jeon Hyeon Pyo
Kang Sung Hyung
Na Eun Sang
Seo Dong Hwan
Lowe Hauptman & Berner LLP.
Rosenbaum Mark
Samsung Electro-Mechanics Co. Ltd.
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