Air freshener dispenser device with dual cartridge capacity

Details Air freshener dispenser device with dual cartridge capacity Air freshener dispenser device with dual cartridge capacity

A - Human Necessities

61

L

A61L 9/12 (2006.01)

Patent

CA 2259296

This invention provides an air freshener dispenser device which consists of twin cartridges (20) which are connected end-to-end with a flexible hinge means. The two cartridges can be folded together and incorporated in a dispensing holder as multiple refill units. Each cartridge is composed of a shallow tray (12) which contains a volatile air freshener medium (14), and which has its open surface sealed with a coextensive bonded laminate of an inner vapor-permeable membrane ( 18) and an outer peelable vapor-impermeable membrane (16). Removal of the peelable vapor-impermeable membrane scaling the two trays allows delivery of the air freshener medium as vapor into the environment at a controlled rate over an extended period of time.

L'invention concerne un dispositif servant à diffuser une substance de purification d'air et qui est constitué par des cartouches jumelles (20) reliées bout à bout au moyen d'une charnière souple. On peut replier ces deux cartouches l'une contre l'autre et les incorporer dans un support de diffusion sous forme d'unités de rechange multiples. Chaque cartouche est composée d'un plateau peu profond (12) contenant une substance volatile (14) de purification d'air et dont la surface ouverte est scellée par un stratifié collé consistant en une membrane intérieure (18) perméable à la vapeur et en une membrane extérieure (16) imperméable à la vapeur qu'on peut décoller afin de l'ouvrir. Le décollement de cette dernière permet de diffuser la substance de purification d'air dans le milieu ambiant à un débit régulé pendant une durée prolongée.

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