| 摘要 |
Manufacture of concrete or mortar. Machine comprising a hopper 1 constituting two reservoirs, one for sand 2, the other for cement 3, the said reservoirs emerging through their bottoms on feeder chambers 6, 7 placed on either side of the central part of the bottom of the hopper and housing feeder screws 12, 13 for the sand and the cement, the central part of the hopper bottom constituting a mixing chamber 5, housing a mixer 14 and communicating with the feeder chambers, the machine furthermore comprising a mixing channel 18 placed in the extension of the mixing chamber 5, the end of which has a chute 17 for continuous delivery of the concrete. The components of the mixture travel through the feeder chambers in the opposite direction from the passage of the mixture through the chamber 5. Even and constant delivery rate. <IMAGE>
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