COMB OR MULTIPLE COMB FILTER INSERTED IN THE CIGARETTE OR APPLICABLE TO DEVICES FOR SMOKE OR TO SOURCES OF POLLUTING FLOWS

摘要

Filter device suited to any type of filtering. It consists of a solid element inserted in a conduit through which the flow to be filtered passes; the filter section includes one or more "comb" elements arranged in such a way that the flow passes by them, together with elements designed to convey the flow.