Container of active substances

Details Container of active substances Container of active substances

A - Human Necessities

61

L

A61L 9/12 (2006.01)

Patent

CA 2580434

Comprises a vessel (1) that houses the active liquid substance to be diffused, such as a fragrance, insecticide or other, through a breathable membrane (2) that closes the vessel (1) and comprises a porous part (3) placed near and parallel to the breathable membrane (2) in order to prevent the deformation of the membrane (2) when a vacuum is generated as the vessel (1) is emptied. The porous part (3) has a number of openings (4) through which passes the liquid to ensure its contact with the membrane (2) at all times for a homogenous evaporation and it occupies part of the volume of the vessel (1), absorbing the active substances, the non- volatile substances remaining in said porous part (3) after the vessel (1) has no more volatile components.

L'invention concerne un conteneur de substances actives, comprenant un récipient (1) renfermant la substance active liquide à diffuser, telle qu'un parfum, un insecticide ou autre, ainsi qu'une membrane perméable (2) conçue pour obturer le récipient (1), comportant une pièce poreuse (3) disposées à proximité de la membrane perméable (2), parallèlement à celle-ci, destinée à empêcher que la membrane (2) se déforme au fur et à mesure que le récipient (1) se vide. Cette pièce poreuse (3) comprend une série d'ouvertures (4) par lesquelles passe le liquide, garantissant un contact constant avec la membrane (2) et une évaporation homogène, et occupe une partie du volume du récipient (1). Cette pièce poreuse (3) absorbe les substances actives et retient les composants non volatils une fois que le récipient (1) a été vidé de ses composants volatils.

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