Disposable electrical device for releasing active substances

Details Disposable electrical device for releasing active substances Disposable electrical device for releasing active substances

2006-08-22

2006-08-22

Campbell, Thor S. (Department: 3742)

Electric resistance heating devices

Heating devices

Vaporizer

C392S385000

Reexamination Certificate

active

07095953

ABSTRACT:
The device comprises a container (1) of active substance in liquid form, which is sealed by means of a permeable membrane (3) which lets the active substance vapour pass and prevents the passage of liquid, being completed with a porous support (5) on the inner face of the membrane (3), so as to take the active substance to the centre of the membrane (3), this being warmed by a heater element (9) with pins (10) which are coupled directly onto the pins (8) of a socket plug (7), via which the device is powered, so that the evaporation of the active substance takes place by warming and it issues to the exterior by ways of slots (12) provided in a housing (11) which joins the container (1) to the socket plug (7). The assembly forms a disposable device, although the container (1) can be embodied so that it is interchangeable.

REFERENCES:
patent: 3951622 (1976-04-01), Wilk
patent: 4157787 (1979-06-01), Schwartz
patent: 4161283 (1979-07-01), Hyman
patent: 4849606 (1989-07-01), Martens, III et al.
patent: 5518790 (1996-05-01), Huber et al.
patent: 5716000 (1998-02-01), Fox
patent: 1 252 899 (2002-10-01), None
patent: 2 086 957 (1996-07-01), None
patent: 5-76583 (1993-03-01), None
patent: WO 84/02654 (1984-07-01), None
patent: WO 00/48460 (2000-08-01), None
patent: WO 01/68154 (2001-09-01), None
International Search Report dated Mar. 10, 2003.
International Preliminary Examination Report dated Mar. 10, 2005.

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