Device for diffusing volatile substances to ambient air...

Details Device for diffusing volatile substances to ambient air... Device for diffusing volatile substances to ambient air...

A - Human Necessities

61

L

A61L 9/12 (2006.01) A01M 1/20 (2006.01) A61L 9/03 (2006.01)

Patent

CA 2500736

A wick-based delivery system includes a container (1) for holding a liquid. The container (1) has an opening at its top surface and is non-vented. A porous wick (3), having a predetermined mean pore size of less than about four microns, and preferably less than about one micron, extends through the opening in the container. When the liquid is added to the container, a lower region of the porous wick is in contact with the liquid and an upper region of the porous wick is exposed to the ambient air. The opening in the container is also substantially sealed by the insertion of the porous wick.

L'invention concerne un système de diffuseur à mèche comprenant un contenant (1) destiné à recevoir un liquide. Le contenant (1) comprend une ouverture au niveau de sa surface supérieure et n'est pas ventilé. Une mèche poreuse (3), d'une dimension de pore moyenne prédéterminée inférieure à environ quatre microns et, de préférence, inférieure à environ un micron, s'étend à travers l'ouverture dans le contenant. Lorsque le liquide est rajouté au contenant, une zone inférieure de la mèche poreuse est en contact avec le liquide et une zone supérieure de la mèche poreuse est exposée à l'air ambiant. L'ouverture du contenant est également sensiblement scellée par l'insertion de la mèche poreuse.

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