MOTOR VEHICLE WINDSCREEN WIPER COMPRISING A LIQUID SPRAYING DEVICE AND METHOD FOR PRODUCING A FUNCTIONAL SECTION IN SUCH A SPRAYING DEVICE

摘要

The invention concerns a windscreen wiper, in particular for motor vehicle, provided with a device for spraying the windscreen supplied by a conduit (22) wherein circulates a pressurised washing liquid, characterised in that the conduit (22) comprises integral longitudinal blocking means (42). The invention also concerns a method for producing a functional section on a conduit (22) supplying the windscreen sprayer with pressurised washing liquid, comprising in particular a first step consisting in producing a tubular preform, characterised in that it comprises at least a second step consisting in deforming the tubular preform by thermoforming.