Patent ID: 6027541
Filing Date: 2000-02-22
Classification: B01D

Abstract:
A lid for use:(a) on a container having a side attached to or forming a rim that generally lies in a plane and against which the lid may rest; and(b) with a system for drawing air and entrained material through a hose, the lid comprising a round, generally dome-shaped plate having a center, which plate is penetrated by:(i) an inlet for directing incoming air and entrained material downward and alongside the container side, the inlet comprising an inlet hood projecting out of the plate, a scoop recessed below the plate and an inlet panel connecting the hood to the scoop and penetrated by an inlet hole to receive an inlet hose positioned at an acute inlet angle relative to the plane; and(ii) an outlet for exhausting air from approximately the center of the lid, the outlet comprising an outlet hood projecting out of the plate, a scoop recessed below the plate and an outlet panel connecting the hood to the scoop and penetrated by an outlet hole to receive an outlet hose positioned at an acute outlet angle relative to the plane.