Patent ID: 7721978
Filing Date: 2010-05-25
Classification: B05B

Abstract:
1. A fluid dispenser nozzle comprising a resilient sealing lip fitted on a substantially rigid support, the sealing lip being adapted to press in leaktight manner against a shutter member belonging to the support, the sealing lip being pressed elastically against a free end of said shutter member, comprising: a fastener member connected to the shutter member via a movable connection, the fastener member carrying the sealing lip, the fastener member being annular and extending along a central axis between an inside end and an outside end, the shutter member extending axially inside the fastener member to said free end, wherein said movable connection is adapted so that the shutter member and said movable connection are movable from a first position in which said shutter member is spaced apart from the sealing lip, to a second position in which said shutter member bears against the sealing lip, elastically deforming said sealing lip, and wherein the movable connection is bistable and adapted to stably retain said shutter member in said first and second positions when said shutter member is not subject to outside forces.