| 摘要 |
PROBLEM TO BE SOLVED: To provide an automatic fire extinguishing cigarette tobacco reducing the occurrence of an accidental fire, or the like, resulting from a cigarette butt part of a cigarette tobacco during combustion and having high safety to the accidental fire, or the like. SOLUTION: The present invention provides the automatic fire extinguishing cigarette tobacco combinedly using two functions of an automatic extinguishing function resulting from deficiency of oxygen supply by fixing or forming a cylindrical air-blocking part composed of an impermeable incombustible material (aluminum foil) in the cigarette butt part and an automatic extinguishing function resulting from deficiency of oxygen supply at an arbitrary place of cigarette tobacco during combustion by attaching an air-blocking tube composed of an impermeable incombustible material to the cigarette butt part. COPYRIGHT: (C)2006,JPO&NCIPI
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