| 摘要 |
<p>The screwthread in a screw cap for a bottle has at least one gap which interrupts the screwthread, at a position which is spaced at less than 360.degree. from the start of the screwthread whereby, if the screw cap is fitted in an angled position to the screwthread on the bottle, the screw cap can snap over the first turn of the screwthread on the bottle in order to move into the proper position.</p> |
