Agitating – Stirrer within stationary mixing chamber – Rotatable stirrer
Reexamination Certificate
2007-05-09
2008-07-22
Cooley, Charles E (Department: 1797)
Agitating
Stirrer within stationary mixing chamber
Rotatable stirrer
C366S330500
Reexamination Certificate
active
07401974
ABSTRACT:
An agitator includes a hub for attachment to an agitator shaft, and at least two agitator blades which are connected to the hub and extend in a radial direction for rotation about an axis, with the agitator blade angled in relation to the axis. Each agitator blade has a free end, with a fin being provided in an area of the free end of the agitator blade and extending in a substantial parallel relationship to a direction of the axis away from the agitator shaft.
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Cooley Charles E
Day Ursula B.
Ekato Rühr- und Mischtechnik GmbH
Feiereisen Henry M.
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