| 摘要 |
<p>Differentiation (18) of surface is sometimes utilized for the prevention of forward finger edge slippage along the surface of a cigarette (10 or 11) and to its burning end when a smoker attempts to remove the cigarette from between his lips. Provision (52) is sometimes included for automatic extinguishing of the cigarette prior to dissipation of the structure against slippage. A cigarette is sometimes manufactured having predetermined control against its being smoked rearward of a point past which cigarettes are otherwise commonly smoked. Methods employed are varying adaptations of physics and chemistry but basic is either the principle of smothering or the utilization of combustion itself, or its product heat, in self defeating adaptation.</p> |
