GASKET OF CONTAINER FOR BLOOD TRANSFUSION AND PREPARATION THEREOF

摘要

A stopper assembly for a medical liquid container comprises an inner cylindrical stopper member formed of a plastic material, a rubber plug member hermetically contained in a chamber formed within the inner stopper member by first and second partition walls. An outer cylindrical stopper member formed of a plastic material is hermetically welded around the inner stopper member. An annular score is formed in the first partition wall with a pulling member being formed at a region enclosed by the annular score. A flange is formed at the base portion of the stopper assembly at which the stopper assembly is joined to a mouth of the medical liquid container. Further disclosed are method and apparatus for manufacturing the stopper assembly.