CONCRETE BLOCK MANUFACTURED WITH PRE CONDITIONER

Brand	Owner	Address	Description
SPEC-FINISH	Concrete Products Group	4544 Trillium Drive N Medina MN 55340	concrete block manufactured with pre-conditioner to provide for a denser, smoother surface to provide a better surface for a paint coating;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

A concrete block-molding machine having a concrete mix feed station, and a concrete molding and block ejection station adjacent to the feed station wherein the concrete molding and block ejection station has a vibratile plate having a plurality of holes in a pre-selected hole pattern, a mold having a mold interior positionable on the vibratile plate and having holes in the pre-selected hole pattern, and a support plate dimensioned and patterned to form a bottom face of a molded concrete block. An ejector plate having a plurality of projecting rods in the pre-selected hole pattern is positionable below the vibrating plate, with the rods of a diameter such that they pass through the holes in the vibratile plate and the mold. Means are provided for raising and lowering a pressure plate assembly so as to compress a concrete mix in the mold provided. Means are also provided for raising and lowering the ejector plate so as to contact and raise and lower the support plate out of and into the mold.