Cyclopedia of architecture, carpentry, and building : a general reference work ... (1907)
American School of Correspondence · Chicago : American Technical Society · leaf 49
Fig. 8. Operation of Portable GravityMixer. 36 REINFORCED CONCRETE 27 ment of the bkades. This mixer is furnished on skids with drivino-pulley. The concrete is discharged by tilting the drum, which isdone by power. Fig. 12 represents a Ransorae mixer which is a batch mixer.The concrete is… … Fig. 9. Rotary Mixer with Cubical Box. being discharged. Riveted to the inside of the drum is a number ofsteel scoops or blades. These scoops pick up the material in thebottom of the mixer, and, as the mixer revolves, carry the materialupward until it slides out of the scoops and therefore assists…
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