B - Operations – Transporting – 28 – C
Patent
B - Operations, Transporting
28
C
259/2
B28C 5/00 (2006.01) B28C 5/34 (2006.01)
Patent
CA 1235115
A B S T R A C T A concrete mixer in this invention comprises an elastomeric lug belt carried by a first set of roller drums at least one of which is driven, the lug belt having a plurality of spaced elastomeric lugs thereon, and an elastomeric base belt carried by a second set of roller drums and depending between two of these roller drums to form a part-loop portion, at least one of the base belt roller drums also being driven to drive the lug belt past the base belt in a mixing zone in the part-loop portion, such that the base belt moves in the opposite direction from the direction of movement of the lug belt.
458017
Fetherstonhaugh & Co.
Monier Limited
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