Concrete Products

FEB 2017

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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88 • February 2017 INNOVATIONS EQUIPMENT & TECHNOLOGY The 2-in. (50mm) diameter Mini Fluidizer disk fits in pipes, chambers, chutes and small hop- pers to enhance powder and dry bulk material flow in pneumatic conveying systems. Compact size equips the Mini disk to fit curvatures as small as 4 in. In most all applications, the compa- ny's Fluidizers prevent bridging, rat holing and material hang-ups. The Mini Fluidizer's aeration utilizes directional airflow along the wall of the chamber or pipe to loosen product and move it to the discharge point. Gentle vibration is provided at the outer edges of the disk to keep powders and bulk solids flowing. Because the disk seals tightly against the chamber or pipe wall, there is minimum backpressure and built-in airline plugging prevention. — Solimar Pneumatics, 800/233-7109; Silo fluidizers 4-in. Standard and 2-in. Mini Fluidizer disks. The 3M Pelot series includes the ProTac III Headset, geared for environments where work- ers are exposed to loud or sharp noises, but need to hear warning signals, alarms, or other sounds in machines and processes. It monitors the surrounding environment and automati- cally adjusts the amount of attenuation when hazardous noises are present. The ProTac III features lightweight, stainless steel wire headband; rugged, dual-shell design to protect the electronics from moisture; user-friendly controls; ability to connect with smart phones, radios, shoulder mics or other external devices; replaceable cushions and foam liners; and, noise attenuating ear cups. "Our scientists have developed headsets that not only help protect users from hazardous noise, but also help them communicate and hear important environmental sounds," says 3M Protective Communication Solutions US Marketing Manager Doug Moses. "It's about minimiz- ing over-protection to ensure our headsets provide the level of safety needed while providing comfort and functionality." — 3M Personal Safe- ty, 800/243-4630; hearingprotection Safety headset automates noise attenuation

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