Particle blending apparatus

Claim 1

APPARATUS FOR BLENDING PARTICULATE MATERIALS, COMPRISING (A) A ROTATABLE CONTAINER FOR HOLDING SAID MATERIALS, (B) A PLURALITY OF SPACED BAFFLES SECURED IN SAID CONTAINER, (C) SAID BAFFLES COMPRISING A PLURALITY OF PERFORATED PLATES SECURED IN SAID CONTAINER ADJACENT ONE END THEREOF, AND EXTENDING INWARDLY FROM THE SIDES OF SAID CONTAINER IN PLANES WHICH INTERSECT ONE ANOTHER ALONG A LINE TRANSVERSE TO THE AXIS OF ROTATION OF SAID CONTAINER, (D) EACH OF SAID BAFFLES HAVING A PLURALITY OF PARALLEL ROWS OF SPACED APERTURES THEREIN, THE APERTURES IN ANY ONE ROW BEING OFFSET IN THE DIRECTION OF THE ROW RELATIVE TO THE APERTURES IN THE ADJACENT ROWS, (E) SAID BAFFLES BEING POSITIONED IN SAID CONTAINER SO THAT AT LEAST A PORTION OF THE PARTICLES OF THE MATERIAL PASS SUCCESSIVELY THROUGH APERTURE S IN AT LEAST TWO OF SAID SPACED BAFFLES, (F) A CONE-SHAPED ELEMENT SECURED AT ITS BASE TO SAID CONTAINER AT SAID ONE END THEREOF, AND EXTENDING AT ITS OPPOSITE END INTO SAID CONTAINER CENTRALLY THEREOF AND INTO ENGAGEMENT WITH THE EDGES OF SAID PLATES REMOTE FROM THE SIDES OF SAID CONTAINER, (G) MEANS FOR ROTATING SAID CONTAINER END OVER END.