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Helical patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Mortar Mixer Type > Movable Mixing Chamber > Rotatable > With Agitator > Rigid Deflector Fixed To Chamber Wall > Helical

Concrete mixing drum fin structure
05/02/13 - 20130107656 - A mixing fin assembly adapted to mix and guide materials in a rotatable mixing drum of a type used in a transit concrete mixing vehicle includes a spiral mixing fin designed to extend transversely into the drum constructed of a lightweight, moldable polymeric material which is flexible and resistant to...

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