Patent ID: 7896270
Filing Date: 2011-03-01
Classification: B02C,B07B,B08B

Abstract:
1. A drum arrangement for use in reducing apparatus, said drum arrangement comprising: a drum of substantially cylindrical, barrel shaped, frusto-conical, or conical configuration, said drum being substantially open at one end, to allow the feed of raw material therein; the curved side walls of the drum bearing a plurality of apertures acting as screening apertures to allow processed material of sufficiently reduced size to pass therethrough; said apparatus including a rotating reducing means within which reduces the size of raw material with which it comes into contact, and said apparatus also including a paddle arrangement of a configuration substantially the same as that of said drum; both the drum and paddle arrangement being substantially coaxial about their longitudinal axes; said paddle arrangement being positioned such that its side wall structure is close to screening apertures on the drum; and wherein at least one of said drum and paddle arrangement are rotatable about their longitudinal axes relative to the other.