Mold liner for facilitating manufacture of reinforced drainage blocks
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United States of America Patent
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Oct 14, 2003
Grant Date -
Feb 21, 2002
app pub date -
Aug 17, 2001
filing date -
Aug 21, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A liner for use in casting a drainage block has an arched surface which defines an upper profile of a main drainage channel and the water inlets opening into the outer surface of the block as well as providing clips for supporting and locating reinforcing bars during the casting of the blocks.
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Cited Art Landscape
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