Evaporation device for volatile substances
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Dec 31, 2002
Issued Date -
N/A
app pub date -
Nov 21, 2001
filing date -
Dec 18, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an evaporation device 1 for volatile substances, in particular insecticides and/or aromatics, which includes a housing 2 and a heating unit 10 located therein. Heating Unit 10 comprises a heating block 11 in which an electric resistance element 15 is contained for heating. In addition device 1 includes a container 3 that can be connected to housing 2 for a substance to be evaporated. A wick 6 can be inserted into the container with a wick end 8 protruding from the container 3 for the evaporation of the substance contained in the container 3 to be heated by the heating unit. According to the invention, electric resistance element 15 advantageously includes a rod-shaped resistance body 17 coated, at least in some areas, with a resistance layer 16 that is cut to provide a predetermined resistance value according to the composition of the substance to be evaporated. In this manner, a heating unit 10 with small dimensions and miniaturized evaporation device 1 is provided for the evaporation of volatile substances.
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