Apparatus for roughing surfaces of concrete casted blocks

Details Apparatus for roughing surfaces of concrete casted blocks Apparatus for roughing surfaces of concrete casted blocks

B - Operations, Transporting

28

B

B28B 11/08 (2006.01) B28D 1/18 (2006.01) B28D 7/04 (2006.01)

Patent

CA 2343338

An apparatus and method for roughing surfaces of concrete casted blocks are provided. A horizontally disposed surface roughing device, hawing impacting elements secured thereto, is driven to impact on blocks supported thereunder on a support table. The support table has a flat support upper surface. Block tilt support pins project from the upper surface at predetermined locations for supporting some of the blocks tilted at a predetermined angle. The block tilt support pins are displaceable from a retracted position below the upper surface to a projecting block tilting position above the upper surface. A displacement mechanism imparts translationary displacement between the impacting elements and the support table to abrade the blocks.

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