BRASS ALLOY FOR WRITING INSTRUMENT TIPS
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United States of America Patent
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Issued Date -
Nov 23, 2023
app pub date -
Sep 16, 2021
filing date -
Sep 17, 2020
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Abstract
A tip for a handheld writing instrument-includes a brass alloy comprising the following composition: Cu in an amount of from about 52 wt.-% to about 62 wt.-%, Sn in an amount of from about 0.1 wt.-% to about 1.0 wt.-%, Fe in an amount of from about 0.1 wt.-% to about 1.0 wt.-%, Si in an amount of from about 0.05 wt.-% to about 0.5 wt.-%, Ni in an amount of from about 0.05 wt.-% to about 0.5 wt.-%, Pb if present, in an amount of less than about 0.05 wt.-%, optionally other elements in a total amount of less than about 3 wt.-% (impurities), and Zn as balance.
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