Alston & Bird LLP
Stirring blade group structure and stirring device using the same
A stirring blade group structure comprises a stirring blade base and at least three groups of stirring blades attached to the stirring blade base. Each stirring blade group includes a stirring shaft, a lower stirring blade, and an upper stirring blade. The upper stirring blade and the lower stirring blade cross and are attached to one end of the stirring shaft. The upper stirring blade is U-shaped.
B B B A A B B B
B01F B01F B01F A47J A47J B01F B01F B01F
inventional inventional inventional inventional inventional additional inventional inventional
Wenxiong
Wang