<p>A smoking article, comprises a first and a second engaging surface (233a, 233b) spaced circumferentially, and a control element (250) movable between the first and second engaging surfaces. A ventilation area (270) is configured to be selectively covered by the movable control element. The control element comprises a first limiting edge configured to engage with the first engaging surface and a second limiting edge configured to engage with the second engaging surface to limit rotational movement.</p>
申请公布号
CA2891270(A1)
申请公布日期
2014.06.26
申请号
CA20132891270
申请日期
2013.12.12
申请人
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED
发明人
KALJURA, KARL;FAWCUS, PHILIP RUSSELL;DUNLOP, STUART;MORDUE, ADRIAN;DUNCKLEY, IAN;HARDING, NICK