Concrete Products

SEP 2018

Concrete Products covers the issues that attract producers of ready mixed and manufactured concrete focusing on equipment and material technology, market development and management topics.

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www.concreteproducts.com September 2018 • 29 COVER STORY CALPORTLAND CP CalPortland ® Concrete Products casts manholes, risers and cones with the new generation Mistral 150/250, a versatile machine that can also handle conventional concrete pipe plus rectangular or square boxes. Installed adjacent to a pit, the machine comprises a press with top vibration, outer mold, mold core, frequency controlled central vibrator with quick-change clamping, and automatic concrete feeding system. After a base pallet or ring is shifted over the mold core, the outer mold is positioned and the entire platform lowered. The hopper feeds mixes to a spreader that charges the mold, then retreats to make way for the press. The Ontario machinery is set to run on two- to six-minute cycles; de-molded product is transferred by forklift truck, although Prinzing-Pfeiffer can equip the Mistral 150/250 with facto- ry-supplied shifter, ratchet feeder, carrying device or robotic cranes.

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