Tobacco – Tobacco users' appliance
Patent
1996-11-25
1999-03-09
Weiss, John G.
Tobacco
Tobacco users' appliance
131194, A24F 4700
Patent
active
058787526
ABSTRACT:
Methods and apparatuses for cleaning an electrical lighter are provided. A sleeve, e.g., ceramic or metal, surrounds the heater fixture, and a resistive heating element is in thermal proximity with the sleeve. The resistive heating element is either a dedicated element or the cigarette heating elements. The sleeve serves as a aerosol barrier and condensate accumulator to protect other components. Periodically, e.g., substantially contemporaneously with a battery recharge, the heating element is activated to thermally liberate condensates deposited on the sleeve during smoking and also heats, and thereby cleans, other components. Also, a cleaning element is optionally inserted into the cigarette receptacle of the electrical lighter or placed at the exit thereof to absorb, attract and/or catalytically break down the thermally liberated condensates. The sleeve also directs a desired flow path for drawn air within an electrical lighter toward the cigarette.
REFERENCES:
patent: 3559300 (1971-02-01), Fox
patent: 5249586 (1993-10-01), Morgan
patent: 5388594 (1995-02-01), Counts
patent: 5505214 (1996-04-01), Collins
PCT/US 97/20967 International Search Report.
Adams John M.
Crowe William J.
Fleischhauer Grier S.
Fournier Jay A.
Hajaligol Mohammad R.
Anderson Charles W.
Glenn Charles E. B.
Moore James T.
Philip Morris Incorporated
Schardt James E.
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