A device in fluid-conducting unit for use in a supply line for carrying fluid with pressure from a source of the fluid to a tool comprises a coupling member having first and second open ends and a fluid passageway extending between the open ends. The fluid passageway has inner walls defining first and...http://www.google.fr/patents/US5312083?utm_source=gb-gplus-shareBrevet US5312083 - Arrangement in a media-conducting unit
