Powered joint forming device for concrete or the like
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United States of America Patent
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Mar 3, 1981
Grant Date -
N/A
app pub date -
Aug 13, 1979
filing date -
Aug 13, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A powered jointer having a scoring undersurface for forming a stress joint in a wet concrete slab, followed by a reciprocating tamper foot which forms a stress joint while moving rock out of the joint and a smoothing tip following the formation of the stress joint for smoothing out the same, all in a single pass.
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