A liquid container for an ink jet recording apparatus includes a connection opening connectable with an outside; an elastic member provided in the connection opening, the elastic member being adapted to be penetrated by a cylindrical member for fluid communication with the outside; the elastic member...http://www.google.com.au/patents/US20020122104?utm_source=gb-gplus-sharePatent US20020122104 - Liquid container, elastic member for liquid container, and recording apparatus
