Method for Manufacturing High-Visibility Measurement Tool
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United States of America Patent
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Issued Date -
May 12, 2011
app pub date -
Nov 6, 2009
filing date -
Nov 6, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for manufacture of a substantially flat rigid measurement tool of the type formed of a substantially non-ferrous lightweight anodized metal plate with measurement markings thereon. The inventive method includes the steps of anodizing the metal plate to create a dark anodized layer, forming the flat rigid measurement tool from the anodized metal plate, and creating non-removable substantially white measurement markings by oxidizing selected mark-areas of the dark anodized surface to a depth below the anodized layer. The markings are created by application of a laser energy. The metal plate contains aluminum and the non-removable substantially white markings are formed by oxidized aluminum.
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