Patent ID: 7704434
Filing Date: 2010-04-27
Classification: B28B

Abstract:
1. A method of forming a dry-cast concrete block with at least one core opening therein; the method comprising the steps of: providing a block mold having a plurality of sidewalls defining a mold cavity with an open top, an open bottom and a core form in the mold cavity at a location to form a core opening in, and extending completely through, a pre-cured concrete block formed therein; depositing dry-cast concrete in the mold cavity distributed around and against the core form and on the pallet; introducing a plate through the open top of the mold cavity and compacting the dry-cast concrete in the mold cavity to form a pre-cured concrete block; opening the temporarily closed bottom of the mold cavity; discharging the pre-cured concrete block from the mold cavity through the opened bottom of the mold cavity; curing the pre-cured concrete block.