Cigarette and method of making it

摘要

A cigarette is provided which comprises a substantially cylindrical tobacco rod, and an integral, axially aligned, substantially cylindrical assembly at the mouth end of the cigarette which preferably includes a wrapped substantially cylindrical filter plug and tipping paper, and which is provided with a mechanism to adjust the air dilution value of the cigarette. The assembly has first and second ends, which are open to permit the passage of air and smoke, and at least two openings in addition to the open ends. Structure is provided for rotating one opening relative to the other so that the openings are in varying degrees of registry to permit varying amounts of air to combine with and dilute the smoke. A method of making the cigarette is also disclosed.