Smoking Article Warning Device
a warning device and smoking article technology, applied in the direction of cigar manufacture, signalling system, instruments, etc., can solve the problems of user fingers, extreme fire danger, distasteful and possibly hazardous smoke which can be drawn into the mouth and lungs of users, etc., to prevent both fire and toxic smoke exposure, save electricity, and improve viewing of a television
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[0047]Referring to FIGS. 1-5, a typical filtered smoking article is shown in FIG. 1 to include a cylinder of tobacco 2 that is wrapped in smoking paper. The tobacco cylinder is followed immediately by a filter 4. FIG. 2 illustrates a smoking article, such as in FIG. 1, that includes a warning sleeve 6 according to this invention. The sleeve 6 is substantially disposed around the tobacco cylinder 2 immediately preceding the filter 4. This positioning point for the sleeve 6, may be pre-selected by a user or smoker for the purpose of alerting the smoker when the ember has reached the tobacco-filter interface.
[0048]The device as shown in the as-used position of FIGS. 3 and 4 illustrates the smoking article of FIG. 2 having been lit and burning with an ember 8 leaving an ash 10. In operation, with the sleeve 6 in the as-used position, when the ember 8 reaches the sleeve 6, the sleeve 6 provides a visual, auditory or olfactory means for warning in that it changes color due to the heat, or...
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