Method of forming a concrete retaining wall block in a front face up position
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United States of America Patent
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Aug 10, 2004
Grant Date -
N/A
app pub date -
Jan 4, 2002
filing date -
Jan 4, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of forming a concrete retaining wall block having a front face and an opposed back face in a front fact up position. The method includes inserting a plurality of tines of a horizontal core puller into a plurality of holes in the bottom of a mold such that the a plurality of tines are positioned to form a dovetail slot and chamfers in the back face of a concrete retaining wall block; and pressing and vibrating a semi-dry concrete mix feed into the mold with a head to form a concrete retaining wall block having a relief stamped in its front face and to form the dovetail slot and chamfers its back face. The method allows the dimensions of the concrete retaining wall block to be exact and consistent from cycle to cycle of the method.
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