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(11) | EP 0 443 749 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Cigarette or cigar |
(57) A cigarette comprising a tobacco rod and means for introducing a flow of ambient
diluting air into the smoke stream passing to the smoker after a predetermined length
of the tobacco rod has been smoked, said means including a flow path for ambient diluting
air which is sealed by a low melting point material and control means for utilising
the heat from the glowing tip of the cigarette when it reaches a predetermined point
in the length of the the tobacco rod to melt said low melting point material to introduce
or increase a flow of diluting ambient air into the smoke stream downstream of the
glowing tip. |