Abstract: An apparatus having an extrusion machine and a feeding unit. for producing foamed polymeric material, in particular polyethylene and polypropylene, is disclosed. The extrusion machine includes a cylindrical barrel which is connected with a first end thereof to the feeding unit to receive a blend of plastic material to be extruded, a parallel pair of screws in the cylindrical barrel, a driving unit for driving the screws into rotation in opposite directions, a gas tank containing CO2 as a foaming gas, injection means for injecting the foaming gas into the cylindrical barrel; a head mounted at a second end of the cylindrical barrel opposite to the first end and heating means arranged around the cylindrical barrel for transferring heat thereto.

Abstract: A toilet seat having a generally ring-like shape, with an upper surface, that comes into contact with the user's skin, defined between an external perimeter edge and an internal perimeter edge, the seat comprising, or being associated with, a plurality of spray nozzles for spraying sanitizing fluid over the upper surface. The seat has a passage arranged in such a manner as to have a fluid inlet opening along the external perimeter edge and an outlet opening along the internal perimeter edge, the inlet opening being shaped so as to collect any excess fluid flowing beyond the external edge, such that the excess fluid drains through the passage, out the outlet opening and into the toilet bowl.