Invention Grant
US07690970B2 Abrasive preparation device with an improved abrasion element assembly 有权
具有改进磨耗元件组件的磨料制备装置

Abrasive preparation device with an improved abrasion element assembly
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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