Method and device for the production of a precise concrete prefabricated part
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United States of America Patent
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May 14, 2013
Grant Date -
Nov 3, 2005
app pub date -
Mar 14, 2003
filing date -
Jun 13, 2002
priority date (Note) -
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Abstract
With a method for the production of a precise prefabricated concrete part, especially in the form of a sleeper or a plate for a fixed track for rail-guided vehicles, the prefabricated concrete part is ground at the functionally relevant points to the predetermined size by means of a grooved roller. The device for this is a grinding machine with a grooved roller to grind the prefabricated concrete part at functionally relevant points to a predetermined size. The grooved roller is made of a wear resistant material, especially silicon carbide.
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