| 摘要 |
PROBLEM TO BE SOLVED: To provide a cap for a drum can having a light weight, with which engagement force with the top part of the drum can can be adjusted properly with ease. SOLUTION: The cap for the drum can is equipped with a frame part having a ring part which engages in the top periphery of the drum can and a flexible film-made cover which is supported by the frame and covers the top part of the drum can. COPYRIGHT: (C)2006,JPO&NCIPI
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