Solid material comminution or disintegration – Apparatus – Loose grinding body comminutor
Reexamination Certificate
2007-05-15
2007-05-15
Larson, Lowell A. (Department: 3725)
Solid material comminution or disintegration
Apparatus
Loose grinding body comminutor
C241S152100, C241S153000, C241S170000, C241S172000, C241S179000
Reexamination Certificate
active
11171319
ABSTRACT:
An agitator mill comprises an annular cylindrical exterior grinding chamber which is defined by an inner wall of a grinding receptacle and an outer wall of a rotor; and an interior grinding chamber which is defined by an inner wall of the rotor and an outer casing of an interior stator. The grinding chambers are interconnected by a deflection chamber. g<h applies to the radial gap width g of the exterior grinding chamber in relation to the radial gap width h of the interior grinding chamber.
REFERENCES:
patent: 5133508 (1992-07-01), Stehr et al.
patent: 5897068 (1999-04-01), Stehr
patent: 5950943 (1999-09-01), Stehr
patent: 5996914 (1999-12-01), Stehr
patent: 6021969 (2000-02-01), Schmitt et al.
Schmitt Philipp
Stehr Norbert
Browdy and Neimark PLLC
Bühler AG
Larson Lowell A.
Pahng Jason Y
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