A venting roll-on applicator

A - Human Necessities – 45 – D

Patent

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Details

A45D 34/04 (2006.01)

Patent

CA 2221964

The present invention relates to a roll-on applicator (10) which allows venting of gases between the inside and the outside of said applicator. This applicator comprises a ball (3) within a dispensing opening (2) and a flexible and resilient support means (4) for said ball. Said flexible and resilient support means is such to urge said ball against said dispensing opening, achieving a leak tight engagement between said ball and said dispensing opening. This engagement is such that the pressure built up inside said container is not efficiently released to the outside of said container. Furthermore, said flexible and resilient support means can be resiliently deformed by an external force acting on said ball to disengage said leak-tight engagement between said ball and said dispensing opening, allowing said contained product to be spread by said ball. Said applicator further comprises a cap which presses onto said ball creating a free passage (23) between said ball and said dispensing opening only when said cap is engaged and/or disengaged from said container.

La présente invention se rapporte à un applicateur à bille (10) conçu de façon à permettre aux gaz se trouvant entre la partie interne et la partie externe de s'échapper. Cet applicateur comporte une bille (3) siégeant dans un orifice (2) d'administration et un organe support flexible et résilient (4). Cet organe est conçu de façon à pousser la bille contre l'orifice d'administration, créant un contact étanche à l'eau entre la bille et l'orifice d'administration. Ce contact se fait de telle manière que la pression accumulée à l'intérieur du réceptacle n'est pas efficacement relâchée pour passer à l'extérieur du réceptacle. De plus, l'organe support flexible et résilient peut être déformé élastiquement par une force externe qui agit sur la bille et libère le contact étanche à l'eau entre la bille et l'orifice d'administration, ce qui permet au produit contenu dans le réceptacle d'être diffusé par la bille. L'applicateur comporte également un capuchon qui fait pression sur la bille, créant un passage libre (23) entre la bille et l'orifice d'administration uniquement au moment où il s'engage sur le réceptacle et/ou s'en dégage.

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