Cigarette filter with oblique partitions

Details Cigarette filter with oblique partitions Cigarette filter with oblique partitions

1981-02-25

1982-08-10

Millin, V.

Tobacco

Smoke separator or treater

Interior surface causes particular flow characteristic

131336, 131340, 131210, A24D 304

Patent

active

043433200

ABSTRACT:
A filter assembly for cigarettes and the like comprising an elongated tube with an axial bore, having a plurality of fan folded interior cross partitions each of oval outline, and extending in a plane oblique to the axis of the bore to form a succession of sealed chambers. The oval, obliqued, cross partitions have staggered perforations to allow the filtered substance to travel to the downstream end of the tube in an undulated path. At the upstream end of the tube the exterior wall of the first sealed chamber has a pattern of intake pin holes to allow fresh air to cool the smoke. At the downstream end of the tube the sealed chamber contains aromatic unburned tobacco for restoring and enriching the flavor of the smoke. The remaining chambers contain cotton batting to filter out undesirable substances such as tar.

REFERENCES:
patent: 2728346 (1955-12-01), Crawford
patent: 3335733 (1967-08-01), Brooks
patent: 3368566 (1968-02-01), Avedikian

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