Electrical device for the release of active substances

Details Electrical device for the release of active substances Electrical device for the release of active substances

2006-09-12

2006-09-12

Paik, Sang (Department: 3742)

Electric resistance heating devices

Heating devices

Vaporizer

C392S395000

Reexamination Certificate

active

07106956

ABSTRACT:
The device comprises conventionally a plug (2) for the electrical supply of a heater element (14) to bring about the heating and evaporation, by way of a flat wick (10), of an active substance contained in a main receptacle (5). The novelty lies in the fact that said container (5) is heat-formed and defines a triangular configuration reservoir (6) with a flat extension (7) that accommodates the flat “Y”-shaped wick (10) in which the ends of its divergent arms (11) are engaged in recesses (9) in the mouth of the active substance reservoir (6), said wick (10) being pressed by an impermeable strip (12) which is heat-sealed to the body of the reservoir (6), so that the heater element (14) positioned facing the front end of the extension (7) brings about the warming of the wick (10) and the corresponding evaporation of the active substance, which will issue by way of a hole (16) in the impermeable strip (12) to be diffused in the environment. In the plug-in position the device remains with the container (5) of the wick (10) in the vertical position, and in direct contact of this with the active substance contained in the reservoir (6).

REFERENCES:
patent: 5945094 (1999-08-01), Martin et al.
patent: 6775470 (2004-08-01), Zobele et al.
patent: 41 31 613 (1993-03-01), None
patent: 0 722 742 (1996-07-01), None
patent: 1 240 907 (2002-09-01), None
patent: 1 270 021 (2003-01-01), None
patent: WO 98/46285 (1998-10-01), None
International Search Report dated May 19, 2003, in PCT/ES2003/00112.

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