A connecting member (4) for a fast-fit safety coupling (1), having a tubular main member (10) connectable to a first conduit (2) for conducting pressurized fluid; a valve member (11) fitted inside the main member (10) to slide axially between a first work position separating the first conduit (2) in...http://www.google.de/patents/US20040084650?utm_source=gb-gplus-sharePatent US20040084650 - CONNECTING MEMBER FOR A FAST-FIT SAFETY COUPLING
