Method and device for mixing and conveying concrete
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United States of America Patent
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Mar 12, 2002
Grant Date -
Oct 11, 2001
app pub date -
Jan 26, 2001
filing date -
Jan 27, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a mixing and conveying device for mixing and subsequently conveying semifluid materials, in particular mortar and concrete. The device comprises a compressor for generating compressed air, and a mixing vessel connected to a conveying conduit and an agitator gear. The mixing vessel is charged with the material to be mixed and conveyed, and compressed air is admitted into the mixing vessel for discharging the semifluid materials through the conveying conduit. The agitator gear is driven by at least one compressed air motor that is supplied with a proportion of the compressed air generated by the compressor.
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