Method of producing concrete stones, especially paving stones, building stones or such like
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 8, 2002
Grant Date -
N/A
app pub date -
Feb 15, 2000
filing date -
Jun 18, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device and a method for producing concrete paving stones. These paving stones can be made from coarse grained concrete and a series of layers of colored concrete material. These layers of colored concrete material are placed in a container on top of a slider that is transversely displaceable. There is also an additional slider and a closing member disposed at the bottom of the container. The first slider, can be moved to form a passage slot between the first slider and the housing. The second slider can be moved to form a passage slot between the second slider and the housing. In addition, between the first slider and the second slider is a first deflecting curve for the colored concrete to mix around and between the second slider and the closing member is a second deflecting curve for further mixing of the colored concrete. This colored concrete is then added to the coarse grained concrete and compacted with it to create paving stones.
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