The disclosure is directed to a pre-assembled liquid tight connector for use with flexible metallic conduit. The connector is comprised of a one piece body member having a grounding member formed integrally therewith. Additionally, the body member is so constructed as to retain a resilient polyurethane...http://www.google.de/patents/US4225162?utm_source=gb-gplus-sharePatent US4225162 - Liquid tight connector
