Abrasive preparation device with an improved abrasion element assembly
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United States of America Patent
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Apr 6, 2010
Grant Date -
Jul 24, 2008
app pub date -
Jan 19, 2007
filing date -
Jan 19, 2007
priority date (Note) -
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Abstract
An abrasive abrading a grinding device (10) having a housing (12) for moving over a concrete surface. The housing has depending abrasion elements (14) with a substrate layer (30) and a backing layer (32) mounted to a support bracket (34) that in turn is affixed to the housing. The substrate layer (30) has a front surface (44) with a distal section (40) having abrasive particles (42) brazed thereon with brazing material (46).
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