A one piece female coupling member (24) having a front end and back end, the female coupling member (24) defining a path (34) for the flow of fluid therethrough. A male coupling member (22) having a front end and a back end and defining a path (32) for the flow of fluid therethrough, the front end of...http://www.google.de/patents/US5104158?utm_source=gb-gplus-sharePatent US5104158 - Two piece molded female coupling
