Variable dilution filter

Details Variable dilution filter Variable dilution filter

1984-10-02

1986-08-12

Millin, V.

Tobacco

Smoke separator or treater

By adding constituent to smoke stream

1311981, A24D 104, A24D 300

Patent

active

RE0322210

ABSTRACT:
Smoking article (10) has a filter mouthpiece (14) with a first stage filter element (18) and second stage filter element (19). First stage filter element (18) is rigidly attached to tipping paper (22). Second stage filter element (19) is free to move longitudinally in mouthpiece (14) and may be made to move axially by tapping the cigarette, thus, covering some of the ventilation holes (16) and changing the smoke to air ratio and the flavor.

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