HOLLOW FLEXIBLE CAP TO OPEN AND SEAL END PORTION OF GLASS AMPOULE

摘要

A flexible cap for a glass container having a narrow sealed neck such as a heat-sealed ampoule or vial is provided which performs the dual function of a) permitting opening of the container by breaking of the narrow sealed neck through pressure exerted on the flexible cap in the vicinity of the narrow neck and b) enclosing the opened container to protect and seal the contents thereof.