Smoking article mouthpiece elements

Details Smoking article mouthpiece elements Smoking article mouthpiece elements

1985-06-10

1987-02-24

Millin, V.

Tobacco

Smoke separator or treater

By adding constituent to smoke stream

131339, A24D 304

Patent

active

046449647

ABSTRACT:
A smoking article mouthpiece comprises a smoke passage extending from end-to-end of the element and first and second ventilation ducts. The first ventilation ducts extend from the periphery of the element to the downstream end of the element at locations spaced inwardly from the periphery. The second ventilation ducts extend from the periphery to the upstream end of the element.

REFERENCES:
patent: 3343319 (1982-08-01), Cantrell
patent: 3678941 (1972-07-01), Dixon

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