| 摘要 |
<p>A twist cap closure assembly comprising: an injection moulded thermoplastic base (1) including a tubular part, which has an interior side defining a channel in said tubular part and also has an exterior side, said tubular part forming a mouth of said channel at one end thereof, an injection moulded thermoplastic twist cap (50) adapted to be fitted on said tubular part of said base so as to close off the mouth in a closed position of said cap, said cap including a top wall and a downward skirt depending from said top wall, said skirt having an interior side, an exterior side and a lower edge, said exterior side of said tubular part and said interior side of said skirt having mating bayonet connector members, said bayonet connector members being adapted to hold said cap (50) in its closed position on said tubular part and allow for the cap to be twisted about a twist axis to release said cap (1) from the base so that the channel is opened, wherein a plug (70) is arranged within said tubular part of the base, said plug being injection moulded integrally with said base and forming a hermetic closure of said channel.</p> |
