| 摘要 |
<p>The present invention has a propeller which is formed inside a cup so as to turn a portion which turns the propeller and is formed in the bottom portion of the cup to mix contents inside the cup. According to the present invention, the cup capable of mixing contents without a tool enables the propeller (100) to be installed inside the cup to mix the contents such as coffee received in the cup. Therefore, the present invention is capable of mixing coffee without a spoon and a coffee bag wince the propeller is installed in the cup.</p> |
