Agitating – Mortar mixer type – With ingredient proportioning
Reexamination Certificate
2005-05-18
2010-12-14
Cooley, Charles E (Department: 1797)
Agitating
Mortar mixer type
With ingredient proportioning
C366S026000, C366S044000, C366S045000, C366S059000, C366S060000
Reexamination Certificate
active
07850364
ABSTRACT:
A concrete batch plant is disclosed including a frame and a transit mixer drum having an open end and a closed end. The drum is configured to be utilized both with the concrete batch plant and on a transit mixer truck. The drum may be pivotally coupled to the frame of the concrete batch plant for movement between a first position in which the open end is positioned to receive cement from a cement supply and to receive aggregate from an aggregate supply and a second position in which the open end is positioned to discharge the mixed cement and aggregate. Further, the drum may be a polymeric drum including an interior surface formed by a plurality of complementary molded helical polymeric sections joined along a helical seam.
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Harris Thomas J.
Khouri Anthony J.
Rodgers William
Tippins William D.
Composite Technology R&D Pty Limited
Cooley Charles E
Favco Composite Technology (US), Inc.
Favco Truck Mixers International Pty Limited
Foley & Lardner LLP
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