Electrically heated vaporizer device for dispensing a thermally

Electric heating – Heating devices – Resistive element: igniter type

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Details

43129, 12820327, 219275, 219385, 219521, 239 57, 239136, 422306, A01M 120, A61L 902, F22B 128

Patent

active

042141460

ABSTRACT:
A device for dispensing a thermally volatilizable substance in which a housing is formed with a linear open-ended, open top guide channel extending across the upper portion thereof. A window is formed in the floor of the channel and a heater is disposed below the window, providing a support for a member impregnated with the volatilizable substance. A grid spans the open top of the guide channel above the window in juxtaposition therewith to permit release of the substance, e.g. an insecticide, while a skid or runner-shaped element carried by said grid presses the member against the heater.

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patent: 900292 (1908-10-01), Meredith
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patent: 1801538 (1931-04-01), Briscoe
patent: 1934887 (1933-11-01), Robinson
patent: 2233431 (1941-03-01), Robinson
patent: 2513919 (1950-07-01), Costello
patent: 2599485 (1952-06-01), Robinson
patent: 2691716 (1954-10-01), Wellens
patent: 2741003 (1956-04-01), David
patent: 2942090 (1960-06-01), Diehl
patent: 3895928 (1975-07-01), Moran

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