| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cap and which has a low height of a broken bridge after the cap is opened and the crosssection of the bridge approximately in parallel to the circumference of the cap, and to provide a bottle can with the cap. <P>SOLUTION: The cap having an upper part 12 of a cap main body in which a female screw part 14 to be fitted to a thread formed on a mouthpiece part 51 of the bottle can is provided, and an lower part 11 of a cap material main body in which a pilfer-proof part 20 to be hooked on a turnip-shaped part 53 formed on the mouthpiece 51 of the bottle can is provided, connected with a bridge 13, has the axial length of the bridge 13 in the cap ≥0.1 mm and ≤0.2 mm. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
