Container has neck with external thread which has point at its top end, cap with internal thread screwing on to neck so that pointed end of external thread lodges into pointed section of internal thread

摘要

The container has a neck (3) with an external thread (4.1). This has a point (9.1) at its top end. A cap (6.1) with an internal thread (8.1) screws on to the neck. This also has a pointed end (9.2) at the top of its thread into which the pointed end of the external thread lodges.