Smoking articles

Details Smoking articles Smoking articles

1982-03-01

1983-10-04

Millin, Vincent

Tobacco

Smoke separator or treater

By adding constituent to smoke stream

131358, 131365, 131331, 131334, 162139, A24D 102

Patent

active

044073089

ABSTRACT:
A smoking article such as a cigarette has a rod of smoking material wrapped in a wrapper of which the substantially uniform air permeability due to viscous flow is not more than 3 and preferably not more than 2 Coresta Units and of which the Do/t value is in the range of 0.08 to 0.65 cm sec.sup.-1, preferably 0.15 to 0.25 cm sec.sup.-1. The length of the rod of smoking material may suitably be within a range of 25 to 55 mm. A reduction in sidestream TPM delivery of 40% or more can be obtained.
The invention is also concerned with a smoking-article wrapper material which satisfies the above permeability and Do/t value requirements.

REFERENCES:
patent: 3744496 (1963-07-01), McCarty et al.
patent: 3911932 (1975-10-01), Houck et al.
patent: 4088142 (1978-05-01), Horsewell et al.
patent: 4225636 (1980-09-01), Cline et al.
patent: 4231377 (1980-11-01), Cline et al.
patent: 4238283 (1980-12-01), Greene et al.

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