Protective sheath for a conveyor belt assembly, comprises an internal conical air diffuser centered on the central axis of the sheath

摘要

The sheath (10) comprises a semi-porous outer material formed as a tube and including an inlet orifice (20) for the introduction of a sterilized air stream. The sheath has contained within it a porous diffusing cone (30) that is centered upon the central axis of the sheath assembly. The cone is formed from a porous material.