초록 ▼

Flask which is fitted with a closure which can be sealed in such a manner as to ensure sterility of its contents and which is characterized in that it is provided at its head part with a thread, preferably a round thread which is connected with a conical ring, and in that the corresponding closure c

Flask which is fitted with a closure which can be sealed in such a manner as to ensure sterility of its contents and which is characterized in that it is provided at its head part with a thread, preferably a round thread which is connected with a conical ring, and in that the corresponding closure cap has an inner thread so formed as to correspond on the flask, and in which the open end of the closing cap is provided with a recess into which the tamper-proof ring is pressed in.

대표청구항 ▼

A sterile closure including, in combination, a flask having a neck, including a first threaded portion and a frustroconical ring formed therein surrounding the neck below said threaded portion and defining a downwardly facing annular shoulder; and a closure cap including a peripheral skirt having an

A sterile closure including, in combination, a flask having a neck, including a first threaded portion and a frustroconical ring formed therein surrounding the neck below said threaded portion and defining a downwardly facing annular shoulder; and a closure cap including a peripheral skirt having an internal thread configuration which is generally complementary to the threaded portion of the container neck; said skirt including a free end having an internal annular recess formed therein and being dimensioned such that said recess is below the level of the shoulder when the cap is threaded on the neck of the flask; and an annular tamper-proof ring press-fit in said recess, said ring being generally U-shaped in cross-section and including a pair of legs, one of said legs being received in said recess and the other of said legs extending parallel thereto but inwardly of the inner surface of the skirt whereby said other leg will be located directly below said shoulder when the cap is mounted on said neck.