PERMEABLE ELECTRICALLY HEATED RESISTIVE FOIL FOR EVAPORATION OF LIQUIDS FROM DISPOSABLE MOUTHPIECES WITH EVAPORATION MEMBRANES Russian patent published in 2015 - IPC A24F47/00 

FIELD: tobacco industry.

SUBSTANCE: invention relates to an evaporation device for evaporation of substances that contain active and/or aromatic matters; the device is designed in the form of a mouthpiece (3) with a fluid medium inlet (311) and outlet (312) and contains a heating device with a heating resistor (1) in the form of metal foil or a thin list represented by a double helix (101) and/or a waveform line (102) with two ends and a cross section corresponding to that of a cigarette or a cigarillo; the intervals of the double helix and/or the waveform line of the heating resistor (1) are made open and thus permeable for fluid media flow; there is at least one contact plank (13) made of metal foil or thin sheet and connected to one end of the double helix (101) and/or the waveform line (102) of the heating resistor (1); the contact planks (13) respectively connected to the to the opposite end of the double helix (101) and/or to the waveform line (102) of the heating resistor (1) are not in immediate contact with each other; additionally, there is at least one evaporation membrane (32) positioned in surface contact with the heating resistor (1), is made also permeable for fluid media flow and is soaked (or may be soaked) with an evaporating substance containing active and/or aromatic matters. The heating resistor (1) and at least one heating membrane (32) are positioned perpendicular or at an angle relative to the direction of fluid media passing through the mouthpiece (3).

EFFECT: reduction of environmental pollution.

37 cl, 2 dwg