Cigarette manufacture

Details Cigarette manufacture Cigarette manufacture

1988-09-20

1990-02-06

Millin, V.

Tobacco

Cigar or cigarette making

With coating or printing

131 31, 131 62, 131 79, 131362, A24C 560

Patent

active

048981877

ABSTRACT:
Loss of tobacco from the ends of cigarettes is reduced or prevented by applying foamed adhesive thereto. The foam may in general be blown onto the cigarette ends [(FIGS. 1, 2 and 4)] or may be "printed" onto the cigarette ends [(FIG. 3 and FIGS. 5 and 6)]. The expansion ratio of the foam in preferably at least 10:1, so that very little liquid adhesive is needed to contact a significant area of tobacco. Thus the liquid content of the adhesive may be readily absorbed into the tobacco so as not to create a drying problem. In a preferred example [(FIG. 1)] foam is supplied by a pipe [24] to fill apertures on a disc [20] from which measured quantities of foam are blown by an air jet from a pipe [28.] Suction is applied to the filter ends [108]of the cigarettes via a manifold [18] and flexible seals [12C] to help in drawing the foam into the cigarettes.

REFERENCES:
patent: 4619276 (1986-10-01), Albertson et al.

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