Patent ID: 9238532
Filing Date: 2016-01-19
CPC Classification: A61F,B05B,B65D

Claim Text:
1. A liquid dispensing tip for mounting on a container, said tip comprising a valve which, in rest position, seals off the container by separating an upstream volume from a downstream volume, said valve being able to withstand opening maneuvers by elastic deformation, said valve comprising a support and a membrane that is mobile in relation to the support, each of the support and the membrane including a bearing zone against each other, arranged so that, when the valve is in rest position, the bearing zones of the support and the membrane bear at least partially against one another forming a surface barrier separating the upstream volume from the downstream volume, at least one of the support or the membrane being such that after one or several opening maneuvers, said surface barrier no longer covers the same part of the bearing zone of at least one of the support or the membrane, said tip further comprising an anti-microbial material on at least one of the support or the membrane, the anti-microbial material being only on the bearing zone of the at least one of the support or the membrane or on the at least one of the support or the membrane in the immediate proximity of its bearing zone, such that the entire surface of the dispensing tip in contact with the upstream volume when the valve is in rest position is free of anti-microbial material, wherein the support includes a part, including the anti-bacterial material, located only in a central region of the support excluding edges of an upper face of the support.