Patent ID: 6905049

Claim:
Device which is intended to be fixed to a neck of a bottle in order to dispense a fluid, said device comprising: a push-button which is intended to activate a pump, a base element which is intended to be fixed to the neck of the bottle, a cap comprising: a sleeve of rigid plastics material, which sleeve is fixed to the base element and which has a tubular portion which extends in an extension direction between a lower end and an upper end, the tubular portion of the sleeve having, perpendicularly to the extension direction, an opening which is intended to allow the fluid which originates from the push-button to pass through, and a membrane of elastomer material, which membrane is substantially in the form of a disc and which extends substantially perpendicularly to the extension direction in the immediate vicinity of the push-button, said membrane having a peripheral edge which is fixed to the sleeve in a sealing manner in the vicinity of the upper end of said tubular portion, in such a manner that the cap defines a cavity, said cavity enclosing the base element and the push-button.