MATERIAL WITH VARIABLE HEIGHT BARBS
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United States of America Patent
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Issued Date -
Mar 31, 2016
app pub date -
Jan 6, 2015
filing date -
Sep 26, 2014
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Abstract
The present invention is a differentially textured material made from a workpiece made of a ductile material with a substantially flat face on which are raised rows of integral and generally pointed barbs. Each barb has a height above the substantially flat face of the ductile material from which the barbs are gouged out. The heights of the barbs vary substantially. The material may be steel and in the form of a sheet. The differentially textured material is particularly well suited for manufacturing disc brake backing plates where the barbs are used to bond the backing plate to friction material. The present invention also includes methods for making such differentially textured material.
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