A quick-dis/connect coupler including two coupler modules, male and female. Each includes a housing. At least one includes a stopcock valve. The housing bodies are configured such that, as they are engaged/disengaged, each automatically opens/closes the other's stopcock valve. The complete coupler may...http://www.google.fr/patents/US7343931?utm_source=gb-gplus-shareBrevet US7343931 - Quick-disconnect coupler
