Importance

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Abstract

A fastener device (4, 5) for fastening a fluid dispenser member (2), such as a pump or a valve, on a neck (11) of a fluid reservoir (1), said device comprising: a fastener ring (4) including both a reception housing (47) that is suitable for receiving, in stationary manner, the dispenser member (2), and fastener means (42) for holding the ring (4) on the reservoir (1), the fastener means (42) being formed at a bushing (41) that can be locally deformed radially outwards while the ring is being mounted on the reservoir; and a covering ferrule (5) that surrounds, at least in part, the bushing (41) of the fastener ring (4), the ferrule being at a distance from the bushing (41) at the fastener means (42), so as to form a free intermediate gap (E) making it possible to deform the bushing (41) radially outwards; the device being characterized in that the ferrule (5) is engaged with a wall (412) of the ring (4) that is directed radially inwards.

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First Claim