Solid material comminution or disintegration – Processes – By operations other than force of contact with solid surface
Reexamination Certificate
2011-07-12
2011-07-12
Miller, Bena (Department: 3725)
Solid material comminution or disintegration
Processes
By operations other than force of contact with solid surface
C241S023000, C241S065000, C241S079100, C241S301000
Reexamination Certificate
active
07975940
ABSTRACT:
A system for reducing the particle size of a pozzolan includes a thermal fracture system and a defracturing apparatus. The system is highly efficient at drying and heating a natural pozzolan having a natural distribution of particle sizes. The system can create a reduced-size pozzolanic material with a desired particle size and particle morphology. The system for reducing the particle size of a pozzolan includes a thermal fracture system for heating and thermally fracturing the pozzolan and a defracturing apparatus that agitates the thermally fractured pozzolan to break the thermally fractured pozzolan apart.
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Miller Bena
Staker & Parson Companies
Workman Nydegger
LandOfFree
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