| 摘要 |
A closing cap molded in one piece from a plastics material for sealing a container with a threaded neck has a top plate ( 3 ), an annular skirt ( 4 ) with an internal screw thread ( 5 ) adapted to cooperate with the threaded container neck ( 2 ), and an integrally molded deformable annular sealing ring ( 6 ) extending downwardly from an inner surface of said top plate ( 3 ) and spaced radially inwardly of the annular skirt ( 4 ), wherein when the closing cap ( 1 ) is screwed onto the container neck ( 2 ), the sealing ring ( 6 ) is deformed outwardly and is fully conformed to the outer surface of the container neck ( 2 ) without being clamped between the container neck ( 2 ) and the annular skirt ( 4 ) and without being pressed against the annular skirt ( 4 ).
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