METHOD FOR SHAPING CONCRETE BLOCKS AND/OR CONCRETE SLABS
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United States of America Patent
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Issued Date -
May 1, 2008
app pub date -
Oct 26, 2007
filing date -
Oct 27, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for shaping concrete blocks and/or concrete slabs of various formats and sizes. The shaping taking place in concrete-filled molds with or without additional facing concrete. Dies or matrices corresponding to the block surface or slab surface have recesses or projections for impressing the surfaces. The concrete blocks or concrete slabs are then removed from the molds before setting and are cured externally and the surfaces are further worked in a subsequent operation. The recesses formed are grooves having parallel, oblique, planar or curved walls and/or roots and the projections being tooth strips having parallel, oblique, planar or curved walls and/or tips. The grooves and/or tooth strips extend over the entire surface of the dies and consequently over the entire surface of the concrete blocks or concrete slabs. In a subsequent operation the surfaces are blasted with liquids or solids. A final step may include application of a coating containing acrylate resin.
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