Patent ID: 8544691

Claim:
A system for fastening a dispensing pump on a neck of a bottle containing a fluid product, said system comprising a sleeve having an interior collar with a mechanism for fastening of the pump and a lower skirt provided with fasteners for fastening of said sleeve on said bottle, said system further comprising a hoop slidably mounted around the skirt between a top position wherein the fasteners are free in such a way as to allow for positioning of said skirt around the neck and a bottom position wherein the fasteners are constrained by said hoop in order to provide a sealed fastening of the sleeve on said neck, said system further comprising an exterior collar mounted around the interior collar and a device for displacing of said exterior collar between a bottom usage position and a top dismounting position, the hoop in the bottom position being attached to the exterior collar in order to actuate the displacement of said exterior collar towards the top dismounting position by driving said hoop relatively to the skirt on a stroke that is sufficient to release the fasteners, wherein the device for displacing is at least partially actuated by rotation of the hoop, and wherein the hoop is slidably mounted around the exterior collar between the top position and the bottom position.