Sawing tool having a plurality of diamond saw blades for forming a surface structure on a road surface
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United States of America Patent
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Jun 18, 2019
Grant Date -
May 17, 2018
app pub date -
Apr 14, 2016
filing date -
Apr 17, 2015
priority date (Note) -
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Abstract
Sawing tool forms a surface structure on a road surface, has a shaft and number of diamond saw blades, each diamond saw blade has disc-shaped core with hole for placing on shaft. A segment is on outer circumference of core, and saw blades are arranged on shaft by disc-shaped core. Segments of adjacent diamond saw blades are in surface contact on longitudinal side, each segment formed from two layers adjoining one another in axial direction and extending in radial and axial direction. Axially adjoining layers of segment each have different wear resistances and wear resistance of layers in axial direction alternates over axially entire segment, so a furrow is formed by two layers adjoining one another, in order to set a grip and a noise level of the road surface. Axially adjoining layers of adjacent segments have different wear resistances forming an alternating layer structure over entire sawing tool.
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