A patch device for a fragrance and method of using the patch...

A - Human Necessities – 61 – K

Patent

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Details

A61K 8/02 (2006.01) A61Q 13/00 (2006.01) A61F 13/02 (2006.01)

Patent

CA 2703001

A patch device (1; 16) comprising a backing layer (2) which is a barrier to at least a fragrance (14), a reservoir layer (4), which is attached to the backing layer (2) and serves for holding a volume of one or more fragrances (14), and a cover layer (59 for covering the reservoir layer (4) when filled with fragrance (14) is disclosed. The cover layer (5) is permeable to vapour from at least one fragrance (14), which cover layer (5) in a first position of the patch device (1;16), in which the reservoir layer (4) is free of fragrance (14), is situated at least partly offset or dislocated from the reservoir layer (4), and which cover layer (5) in a second position of use, in which the volume of one or more fragrances (14) has been delivered to the reservoir layer (4), covers the reservoir layer (4). Support sheets (17, 18), which supports the backing layer (2) and a flap part (10) of the cover layer (5), serves as a tool for applying the flap part (10) into covering relationship to cover and/or encapsulate the reservoir layer 4.

L'invention concerne un dispositif à patch (1 ; 16) comprenant une couche de renforcement (2) qui est une barrière pour au moins un parfum (14), une couche réservoir (4), qui est fixée à la couche de renforcement (2) et sert à conserver un volume donné d'un ou plusieurs parfums (14) et une couche de couverture (5) permettant de recouvrir la couche réservoir (4) une fois remplie de parfum (14). La couche de couverture (5) est perméable à la vapeur provenant d'au moins un parfum (14), laquelle couche de couverture (5) dans une première position du dispositif à patch (1;16), dans laquelle la couche réservoir (4) est exempte de parfum (14), est au moins partiellement décalée ou délogée de la couche réservoir (4), et laquelle couche de couverture (5) dans une seconde position d'utilisation, dans laquelle le volume d'un ou plusieurs parfums (14) est acheminé vers la couche réservoir (4), recouvre la couche réservoir (4). Des feuilles supports (17, 18), supportant la couche de renforcement (2) et une partie volet (10) de la couche de couverture (5), servent d'outil pour appliquer la partie volet (10) en relation de couverture pour recouvrir et/ou encapsuler la couche réservoir (4).

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