| 摘要 |
PROBLEM TO BE SOLVED: To easily squeeze out the content remained in a tubular vessel under use and use it up. SOLUTION: A simple piston 2 formed in a bottom part of the tubular vessel (integrated with a barrel part 1) is pressed in by a finger, and moved to a discharge port 5 while tightly fitted to the barrel part 1 to scrape the content 6. A projection 3 is formed to the shape of the discharge port 5 on a center part of a surface of the simple piston 2, and the content 6 is squeezed out therefrom. COPYRIGHT: (C)2003,JPO
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