According to the invention, the spring-effect deformation capacity of the valve (5) essentially relates to the plug (Sa) and to an intermediate valve portion (5c) between the plug (Sa) and a tubular gap (6). The valve (5) and the fixed end piece (3) are conformed so that the valve can be permanently...http://www.google.com.au/patents/US20100030163?utm_source=gb-gplus-sharePatent US20100030163 - Connector For A Establlshing A Fluid Communication Controlled By A Valve Essentially Used In The Field Of Medicine
