Masonry blocks and method and system of making masonry blocks
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United States of America Patent
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app pub date -
Jan 13, 2005
filing date -
Jul 29, 2003
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Abstract
A method of producing a masonry block including providing a mold assembly having a plurality of liner plates that together form a mold cavity having an open top and an open bottom, wherein at least one of the liner plates is moveable between a retracted position and a desired extend position relative to an interior of the mold cavity with a gear drive assembly. The at least one moveable liner plate is moved to the desired extended position, the bottom of the mold cavity is closed with a pallet, dry cast concrete is placed in the mold cavity via the open top, the top of the mold cavity is closed with a moveable head shoe assembly, and the dry cast concrete is compacted to form a pre-cured masonry block. The at least one moveable liner plate is moved to the retracted position, the pre-cured masonry block is expelled from the mold cavity and cured.
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