Fluid transport pipe i.e. ringed plastic duct, coupling piece for e.g. windscreen cleaning, in motor vehicle, has inner sleeve with hooking tabs, and annular seal assuring automatic sealing with nozzle and between inner and outer sleeves

摘要

The piece (11) has an outer sleeve (27) including annular outer hooking tabs (33a-33c) integrated with a ringed duct (17), and a cylindrical seal (25) assuring automatic sealing with the duct. An inner sleeve is co-axially fixed with the outer sleeve, and has hooking tabs (40a, 40b) integrated with a truncated conical nozzle. The inner sleeve has an annular seal (25') assuring automatic sealing with the nozzle and between the sleeves. The seals are made of compressible and flexible material e.g. rubber.